PROCUREMENT PLAN FOR PURCHASE/INSTALLATION OF CENTRIFUGES
WASTEWATER ENTERPRISE (WWE) FACILITIES
ELECTRICAL PREVENTATIVE MAINTENANCE
SPECIFICATIONS
(2007-2010)
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750 PHELPS STREET
SAN FRANCISCO, CALIFORNIA
TABLE OF CONTENTS
PART 1 – GENERAL 4
1.01 CONTRACT TYPE 4
1.02 QUALIFICATION OF THE CONTRACTOR 4
1.03 DOCUMENTS FURNISHED BY THE CONTRACTOR 5
1.04 SUMMARY 6
1.05 SCOPE OF WORK 6
1.06 PRE-BID CONFERENCE AND SITE INSPECTION 10
1.07 CONTRACTOR USE OF PREMISES 10
1.08 RIGHT TO STOP THE WORK 11
1.09 SAFETY AND SECURITY 11
1.10 OWNER, ENGINEER 14
1.11 LAWS, CODES AND REGULATIONS 14
1.12 ELECTRICITY TO BE USED DURING PREVENATATIVE MAINTENANCE WORK 15
1.13 PERMIT REQUIREMENTS 15
1.14 SAFETY REPRESENTATIVE 15
1.15 ACCIDENT DOCUMENTATION AND REPORTING 15
1.16 SAFETY MEETING 16
1.17 ELECTRICAL LOCKOUT/TAGOUT PROCEDURES 16
1.18 PROGRESS SCHEDULES 16
1.19 SCHEDULE REVISIONS 17
1.20 CHANGES IN THE WORK 17
PART 2 – APPLICATIONS FOR PAYMENT 18
2.01 SCOPE 18
2.02 BASIS OF PAYMENT 19
2.03 ALLOWANCES 19
2.04 APPLICATION AND SCHEDULE PROCEDURES 19
PART 3 –EXECUTION 20
3.01 SCHEDULE OF BID PRICES 20
BID PRICE TABLE – BID ITEM NO. 1 TO 11 21
BID PRICE TABLE – BID ITEM NO. 12 TO 20 22
BID PRICE TABLE – BID ITEM NO. 21 TO 24 23
BID PRICE TABLE – BID ITEM NO. 25 TO 28 24
PART 4 – ELECTRICAL TESTING 25
4.01 DIVISION OF RESPONSIBILITY 25
4.02 SUITABLILITY OF TEST EQUIPMENT 25
4.03 TEST INSTRUMENT CALIBRATION 26
4.04 TEST REPORT 26
4.05 INSPECTION, MAINTENANCE AND TEST PROCEDURES 27
A. ALL EQUIPMENT 27
B. SWITCHGEAR AND SWITCHBOARD ASSEMBLIES 27
C. TRANSFORMERS, DRY TYPE, AIR-COOLED, LARGE 29
D. TRANSFORMERS — LIQUID FILLED 31
E. CIRCUIT BREAKERS, VACUUM, MEDIUM-VOLTAGE 32
F. AIR SWITCHES — MEDIUM VOLTAGE 34
G. VACUUM SWITCHES — MEDIUM VOLTAGE 35
H. CIRCUIT BREAKERS—MEDIUM VOLTAGE--AIR 36
I. CIRCUIT BREAKERS — LOW VOLTAGE (MOLDED CASE) 38
J. LOW VOLTAGE POWER BREAKER 39
K. METAL-ENCLOSED BUSWAYS 40
L. INSTRUMENT TRANSFORMERS 41
M. METERING AND INSTRUMENTATION 43
N. PROTECTIVE RELAYS 43
O. MOTOR STARTERS- MEDIUM VOLTAGE 44
P. MOTOR STARTERS- LOW-VOLTAGE 46
Q. MOTOR CONTROL CENTERS, LOW-VOLTAGE 47
R. METERING 47
S. GROUNDING SYSTEMS 48
T. GROUND-FAULT PROTECTION SYSTEMS 48
U. SURGE ARRESTOR 50
V. MEDIUM VOLTAGE SURGE PROTECTION DEVICES 51
W. BATTERY SYSTEM 52
X. CAPACITORS AND REACTORS, CAPACITORS 52
Y. PARTIAL DISCHARGE TESTING 54
Z. EMERGENCY SYSTEMS, AUTOMATIC TRANSFER SWITCHES 54
PART 5 SOUTHEAST WATER POLLUTION CONTROL PLANT (SEP) 57
5.01 PRIMARY SWITCHING STATION PSS 12.47 kV SECTIONS I AND II 57
5.02 UNIT SUBSTATIONS 58
5.03 4,160 VOLT SWITCHGEAR AND MOTOR STARTERS AT BUILDING 270 59
PART 6 BRUCE FLYNN PUMP STATION (BFS), CHANNEL PUMP STATION (CHS), SUNNYDALE PUMP STATION (SDS), GRIFFITH PUMP STATION (GFS), BOOSTER PUMP STATION (BPS), NORTH POINT WPCP (NPP), NORTH SHORE PUMP STATION (NSP) 63
BRUCE FLYNN PUMP STATION (BFS) 63
6.01 MAIN SWITCHGEAR 12.47 KV SECTION 63
6.02 MAIN SWITCHGEAR 480 VOLT SECTION 65
CHANNEL PUMP STATION (CHS) 66
6.03 MAIN SWITCHGEAR 4.16 KV 66
SUNNYDALE PUMP STATION (SDS) 73
6.04 MAIN SWITCHGEAR 480 73
GRIFFITH PUMP STATION (GFS) 73
6.05 MAIN SWITCHBOARD 480 VOLT SECTION 73
BOOSTER PUMP STATION (BPS) 75
6.06 PRIMARY SWITCHING STATION 12.47kV 75
6.07 MAIN PLANT SWITCHGEAR MPS 4.16 KV 76
NORTHPOINT FACILICY (NPP) 77
6.08 MEDIUM VOLTAGE CABLES 77
NORTH SHORE PUMP STATION (NSP) 77
6.09 DRY WEATHER MOTORS 480 VOLT LOAD CENTER: 4.16 KV – 480 77
6.10 AUXILIARY 480 VOLT LOAD CENTER: 4.16 kV – 480 V 78
PART 7 OCEANSIDE TREATMENT PLAN (OSP), WESTSIDE PUMP STATION (WSS) and ZOO WET WEATHER STATION (ZWS) 80
OCEANSIDE TREATMENT PLANT (OSP) 80
7.01 MAIN PLANT SWITCHGEAR MPS 12.47 KV 80
7.02 MOTOR STARTER SUBSTATIONS MSS 4.16 KV 82
7.03 SECONDARY SUBSTATION SS1 12 KV - 480V 83
7.04 SECONDARY SUBSTATION SS-2 12 KV - 480V 84
7.05 SECONDARY SUBSTATION SS-3 12 KV - 480V 86
7.06 SECONDARY SUBSTATION SS-4 12 KV - 480V 87
7.07 SECONDARY SUBSTATION SS-5 12 KV - 480V 88
WESTSIDE PUMP STATION (WSS) 104
7.08 MAIN SWITCHBAORD ENCLOSURE, WR-203 104
ZOO WET WEATHER STATION (ZWS) 104
7.09 MOTOR CONTROL CENTER 104
BIDDER’S QUALIFICATIONS STATEMENT 106
PART 1 – GENERAL
A CONTRACT TYPE
A. This is a contract for the performance of electrical preventative maintenance (PM) by the specification at the eleven (11) Wastewater Enterprise operating facilities.
B. This contract shall be issued as a thirty-six (36) month Blanket Purchase Order and releasese shall be made against it as appropriate. It shall be administered by the Purchasing Division of the San Francisco Public Utilities Commission.
1.02 QUALIFICATION OF THE CONTRACTOR
A. Concurrent with the bid submittal, the Contractor should submit a completed Bidder’s Experience and Qualifications form (on the last pages of the specifications). Failure to do so may constitute grounds for rejection of the bid.
B. The Electrical Testing Firm shall be a full member of the InterNational Electrical Testing Association. The Contractor should submit proof of this membership with the bid submittal. Failure to do so may constitute grounds for rejection of the bid.
C. The testing organization shall be an independent, third party entity that can function as an unbiased testing authority, professionally independent of the manufacturers, suppliers, and installers of equipment or systems being evaluated. The Contractor shall be regularly engaged in the testing of electrical equipment devices, installations, and systems for a minimum of 5 years prior to the submittal of the bid.
D. The terms used herewith, such as Contractor, shall also be construed to mean testing laboratory or testing service. The testing laboratory shall be approved by the Department of Building Inspection (DBI) of the City and County of San Francsico.
E. The Contractor shall possess a valid Class C-10 License and Contractor shall demonstrate that there are no litigations pending against the license.
F. The Electrical Testing Firm shall be regulary engaged in the testing of electrical equipment devices, installations, and systems for the past 5 years.
G. The Electrical Testing Firm shall utilize engineers and technicians that are experienced and regularly perform electrical power system testing. Technicians performing these electrical tests and inspections shall be trained and experienced concerning the apparatus and systems being evaluated. These individuals shall be capable of conducting the tests in a safe manner and with complete knowledge of the hazards involved. They must evaluate the test data and make an informed judgment on the continued serviceability or nonserviceability of the specific equipment. Technicians shall be certified in accordance with ANSI/NETA ETT-2000, Standard for Certification of Electrical Testing Technicians. Each on-site crew leader shall hold a current certification, Level III or higher, in electrical testing.
H. The Electrical Testing Firm performing On-Line Partial Discharge tests and inspections shall be regularly engaged in the testing of electrical equipment devices, installations, and systems. The Electrical testing shall utilize engineers and technicians that are experienced and regularly perform electrical power system testing.
I. Personnel performing On-Line Partial Discharge tests and inspections shall be trained and experienced concerning the apparatus and cable systems being evaluated. These individuals shall be capable of conducting the tests in a safe manner and with complete knowledge of the hazards involved. They must evaluate the test data and make an informed judgment regarding serviceability of the cable circuits tested.
1.03 DOCUMENTS FURNISHED BY THE CONTRACTOR
SFPUC reserves the right to request any additional technical or other information from any bidder, as it deem necessary to evaluate the offered equipment and maintenance service.
Bidder shall provide such information within three (3) calendar days of its request, unless a later time is permitted by SFPUC. Failure to provide, in the sole opinion of SFPUC, information adequate to make a determination of product acceptability at the time of bid submission, or as later requested by SFPUC may result in elimination of a bidder’s offer from consideration.
Within seven (7) working days after the Notice to Proceed (NTP) and prior to the commencement of work, the Contractor shall submit the following documents for acceptance by the City:
A. A preventative maintenance session schedule.
B. An example of the test forms for each type of equipment and test.
C. A list of supervisory personnel who will be responsible for the performance of the Contract. The Contractor shall designate one (1) person who will have full decision-making authority to represent the Contractor on a daily basis at each Contract site. The list will include the phone numbers where the personnel may be reached by the Engineer.
D. Product information and Material Safety Data Sheets (MSDS) for all proposed lubricants and cleaning solvents.
E. A Site Specific Safety Plan for City Approval and keep it current throughout the duration of the Contract.
F. A test equipment, tool and material inventory control (check-out/check-in) procedure and sample list for the electrical PM work.. This procedure and applicable facility list shall be used for each and every electrical PM session to account for all test equipment, tool and materials used and ensure that they are all returned before any electrical equipment and/or power service re-energization.
1.04 SUMMARY
A. This Wastewater Enterprise (WWE) is a contact for the performance of electrical maintenance on the switchgear, substations, and related electrical gear specified herein
B. The work to be done under this contract is located at the following eleven (11) WWE facilities:
1. Southeast Water Pollution Control Plant, 750 Phelps Street, SF
2. Bruce Flynn Pump Station, 1595 Davidson Avenue, SF
3. Channel Pump Station, 455 Berry Street, SF
4. Sunnydale Pump Station, 1 Harney Way. , Brisbane
5. Griffith Pump Station, 1601 Griffith Street, SF
6. SE Booster Pump Station, 602 Arthur Avenue, SF
7. North Point Facility, 111 Bay Street, SF
8. North Shore Pump Station, 2001 Kearney Street, SF
9. Oceanside Water Pollution Control Plant, 3500 Great Highway, SF
10. Westside Pump Station, 2900 Great Highway, SF
11. Zoo Wet Weather Lift Station, 2995 Sloat Blvd, SF
C. Work comprises of performing preventative maintenance work on each facility’s electrical distribution equipment and includes visual inspections, cleaning, electrical and mechanical tests and adjustments and the preparation of a final report for each year PM sessions.
D. Work shall require careful coordination to accommodate all WWE pump stations and treatment plants process operation, maintenance, daily work of Plant operators working in and around all facilities, and shall require coordination with PG&E to schedule station service power interruptions (service de-energizations and re-energizations) and payment to PG&E for their services. PG&E requires six weeks minimum advance notice for each service power interruption for their work scheduling purposes.
E. For coordination work relating to the scheduling of PG&E service de-energization and subsequent re-energizations for all facilities and payment thereto associated with this project, contact:
Wally Sun - (415) 554-1873
SFPUC Power Enterprise
Power Utility Services
1.05 SCOPE OF WORK
A. Provide all labor, materials, equipment and services necessary for, and incidental to, the performance of electrical maintenance on the switchgear, substations, and related gear specified herein. All work shall be done in accordance with the latest NETA Maintenance Testing Specifications [NETA MTS-2005 or later] and as specified herein. WWE Electrical Maintenance Staff will observe and assist in the maintenance work--see Part 4 - 4.06.A.1.a for their related duties.
C. Provide all inspections, maintenance, and tests as herein specified.
D. Provide oil sampling and analysis at liquid filled transformers at SEP, BPS & OSP - See Part 4 - 4.06.D.2.f & g. on a yearly basis, WWE will provided all available past oil sample analysis for each transformer for the purpose of a transformer condition trend analysis,
E. The Contractor shall make all arrangements and coordinate with Power Utility Service and pay for all facility service interruptions required for the electrical maintenance work on the main switchgear for each of the facilities. PG&E requires six weeks advance notice for each service de-energization/ re-energization for their work scheduling purposes.
F. No maintenance work shall be conducted during a wet weather event or an impending wet weather event even if it has been previously scheduled for that day(s). Determination of a wet weather day is up to the sole discretion of WWE Operations Management. Scheduled maintenance work may be cancelled up to one day (or less) in advance. Maintenance work sessions shall be scheduled at least 1 week apart, unless otherwise approved in writing by WWE. Maintenance work shall be conducted in no more than the number of maintenance sessions in the year as listed in Part 1-1.03.E, F & G.
G. All the following sessions are anticipated to be conducted on or before December 28, 2007 on a normal business workday, Tuesday through Thursday, starting at 8:00 am to 2:30 pm.
Session 1: SEP, BPS & OSP: Removal of samples of insulating liquids from the total of twenty-eight (28) transformer units and submittal of the samples for laboratory analysis.
Session 2: SEP: Perform Online Partial Discharge Test on all medium voltage cables 4KV and above.
H. All the sessions for SEP are anticipated to be conducted no earlier than June 3, 2008 and be completed on or before September 18, 2008 on a Saturday, starting at 6:00 a.m. and shall be completed by 5:00 p.m. on the same date except session 6.
Southeast Treatment Plant (SEP):
Sessions 1 to 5 shall not be scheduled on the same day as a San Francisco Giant baseball team’s home game and other special events unless otherwise notified in writing by the Engineer.
1. Session 1: Substations SS-1A & 1B, 2A & 2B, 11 and 12.
2. Session 2: Substations SS-6, 7, 8, 9, 10 and 13, and the 4,160-volt switchgear and motor starters for the 3 main air compressor motors in Building 270.
3. Session 3: Substations SS-3A & 3B, 4A & 4B, 5A & 5B.
4. Session 4: Substations SS-14, 15 and 17.
5. Session 5: Primary Switching Station, PSS: This session requires a scheduled utility (PG&E) service interruption (disconnection).
6. Session 6: BPS & OSP: Removal of samples of insulating liquids from the total of seven (7) transformer units and submittal of the samples for laboratory analysis.
This session can be conducted on a normal business workday, Tuesday through Thursday, staring at 8:00 am to 2:30 pm.
I. All the sessions for BFS, CHS, SDS, GFS, BPS & NPP are anticipated to be conducted no earlier than June 3, 2009 and be completed on or before September 18, 2009 on a Saturday, starting at 6:00 a.m. and shall be completed by 5:00 p.m. on the same date except session 7.
1. Session 1: Bruce Flynn Pump Station (BFS): This session requires a scheduled utility (PG&E) service interruption.
2 Session 2: Channel Pump Station (CHS): This session requires a scheduled utility (PG&E) service interruption. This session shall not be scheduled on the same day as a San Francisco Giant baseball team’s home game and other special events.
3. Session 3: Sunnydale Pump Station (SDS) and Griffith Pump Stations (GFS): This session requires a scheduled utility (PG&E) service interruption for each facility.
The access to the Sunnydale switchgear is down a flight of stairs to the switchgear room located about fifteen feet below the ground level. Contractor shall make all provision to provide forced ventilation, gas meters to test the area to determine the area is safe, and needs to maintain contact with Operations Control when entering and exiting the space. A minimum of two personal, 4-gas monitors (CO, O2, H2S, and LEL) and continued forced ventilation will be required while performing work at all times and for getting all required equipment down the stairs to the switchgear room level.
There is no breaker-racking device for SDS and GFS. Contractor shall purchase two new Cutler-Hammer breaker racking devices (or equal), one for each station for racking circuit breakers in and out switchboard and leave the racking device at site as property of WWE after finishing the PM work at these two pump stations.
4. Session 4: Booster Pump Station (BPS) and North Shore Pump Station (NSP): This session requires a scheduled utility (PG&E) service interruption for Booster Pump Station only. This session shall not be scheduled on the same day as a San Francisco Giant baseball team’s home game and other special events.
5. Session 5: Channel Pump Station (CHS), Booster Pump Station (BPS), North Point WPCP (NPP) and North Shore Pump Station (NSP): Perform Online Partial Discharge Test on all medium voltage cables 4KV and above.
7. Session 6: SEP & OSP: Removal of samples of insulating liquids from the total of seven (7) transformer units and submittal of the samples for laboratory analysis.
This session can be conducted on a normal business workday, Tuesday through Thursday, staring at 8:00 am to 2:30 pm.
J. All these sessions for OSP, WSS & ZWS are anticipated to be conducted no earlier than June 2, 2010 and be completed on or before September 17, 2010 on a Saturday, starting at 6:00 a.m. and shall be completed by 5:00 p.m. on the same date except session 5 & 6.
There is no breaker-racking device for WSS. Contractor shall purchase a new Cutler-Hammer breaker racking device (or equal) for racking circuit breakers in and out switchboard and leave the racking device at site as property of WWE after finishing the PM work at this pump station.
1. Session 1: Oceanside Treatment Plant (OSP): Main Plant Switchgear, MPS, Westside Pump Station (WSS) & Zoo Wet Weather Station (ZWS): This session requires a scheduled utility (PG&E) service interruption for each station.
2. Session 2: Oceanside Treatment Plant (OSP): Substations SS-1 & SS-2.
3. Session 3: Oceanside Treatment Plant (OSP): Substations SS-3 & SS-4.
4. Session 4: Oceanside Treatment Plant (OSP): Substation SS-5.
5. Session 5: Oceanside Treatment Plant (OSP): Perform Online Partial Discharge Test on all medium voltage cables 4KV and above.
This session can be conducted on a normal business workday, Tuesday through Thursday, staring at 8:00 am to 2:30 pm.
8. Session 6: SEP & BPS: Removal of samples of insulating liquids from the total of twenty-two (22) transformer units and submittal of the samples for laboratory analysis.
This session can be conducted on a normal business workday, Tuesday through Thursday, staring at 8:00 am to 2:30 pm.
K. The Contractor shall provide all material, equipment, labor, required temporary power and lighting for their testing purposes, and technical supervision to perform such tests, inspections, and maintenance.
L. Contractor shall submit a test equipment, tool and material inventory check-out/check-in procedure and sample list for the electrical PM work.. This procedure and applicable facility list shall be used for each and every electrical PM session to account for all test equipment, tools and materials used and ensure that they are all returned before power service re-energization.
M. After each year’s sessions, contractor shall submit a final report summarizing all work performed and material used. This report must detail each individual piece of equipment by nameplate data, facility name, and switchgear designation, and thoroughly discuss the associated findings and provide recommendations.
N. Upon completion of the tests and inspections noted in these specifications, a label shall be attached to all serviced devices. These labels will indicate date serviced and the service company responsible.
O. It is the intent of this work to assure that all electrical equipment is operational within industry and manufacturer’s tolerances and that the equipment and systems are suitable for continued service.
P. The tests, inspections, and maintenance shall determine suitability for energization for continued reliable operation.
Q. Additional work scope items. (not included in bid)
The City may initiate following additional work through change orders:
1. Electrical problems trouble shooting/analysis.
2. Harmonic measurements and studies.
3. Component replacement or rehabilitation services.
4. Electrical system studies including protective device coordination study, load flow, reliability, etc…
5. Other service and testing.
1.06 PRE-BID CONFERENCE AND SITE INSPECTION
A. Interested bidders are advised to attend a pre-bid conference to be held at SEP, 750 Phelps Street, Bldg. 930, Library Room, San Francisco, California, at the time and date set in the bid.
B. Contractors are strongly encouraged to attend a pre-bid site inspection to familiarize themselves with the Wastewater Enterprise Facilities Electrical Switchgear and Distribution System, procedures, and accessibility. Attendance is strongly recommended, but not required.
A site inspection for the SEP, BFS, CHS, SDS, GFS & BPS will be scheduled.
1.07 CONTRACTOR USE OF PREMISES
A. Contractor’s Work Area: The Contractor’s work area at the facilities will be designated by the City. The Contractor shall not park equipment in non-designated areas without the approval of the Resident Engineer
B. Maintenance of Contractor’s Work Area: The Contractor shall at all times maintain the areas in a safe condition, remove all accumulations of rubbish and surplus materials at the end of each working day, restore them to a condition equal to that which existed prior to the start of work, and leave them at completion of each maintenance session in a clean, orderly fashion, as specified in these specifications.
C. Security of Contractor’s Work Area: The Contractor shall be entirely responsible for the security of his property, equipment and all other items contained at the work area. This requirement shall be in effect during normal working hours as well as nighttime hours, weekends and holidays.
1.08 RIGHT TO STOP THE WORK
A. The City may order Contractor to stop the Work, or a portion thereof, until the cause for such order has been eliminated. Any such order to stop the Work shall be in writing and shall be signed by the City Representative.
B. However, the right of the City to stop the Work shall not give rise to a duty on the part of the City to exercise this right for the benefit of Contractor or other person or entity.
C. Reasons for ordering Contractor to stop the Work, or a portion thereof, include but are not limited to the following:
1. Contractor fails to correct Work which is not in accordance with the requirements of the Contract Documents; or
2. Contractor fails to carry out Work in accordance with the Contract Documents; or
3. Contractor disregards the authority of the authorized City Representative; or
4. Contractor disregards the laws and regulations of a public body having jurisdiction over the Project; or
5. Contractor violates in any substantial way any provisions of the Contract Documents; or
6. Contractor fails to maintain current certificates of insurance on file with the City; or
7. Original Contract Work is proceeding but will be modified by a pending change to the Contract Work.
1.09 SAFETY AND SECURITY
A. The contractor shall follow adequate safety procedures, approved by the City, in full accordance with all Cal-OSHA procedures in place and shall have properly trained work-crew members who have been present at a WWE conducted pre-mobilization safety meeting to ensure the prevention of both human injury and damage to City’s equipment and facilities. The contractor is to immediately notify the City of any work-related injuries to humans, or damage to equipment or facilities.
B. All work-crew members shall be properly trained by the contractor and shall have authority to stop work if an unsafe condition is deemed to exist. The City and City’s representative(s) such as hired consultants shall have the authority to stop work at any time an unsafe condition is deemed to exist. The City is to be notified immediately of all work stoppages that are due to unsafe conditions. The contractor, prior to the resumption of work, shall completely and adequately mitigate all unsafe condition(s).
C. The contractor shall have a City approved confined space entry procedure and all work-crew members shall be fully trained and utilize this procedure when needed. The Wastewater Enterprise confined space entry policy is as follows:
1. Each person entering a confined space must wear a personal 4-gas monitor (CO, O2, H2S, and LEL).
2. An exterior “up-top” meter is required.
3. Operations must be informed that a confined space entry will be performed, and a radio or designated cell phone must be carried for direct contact in case of an emergency.
4. A 10 minute escape pack is required if they are not to remain hooked up.
5. Each person entering a confined space shall have his or her own personal locks for lockout/tagout.
6. A tripod is required and each entrant must remain hooked up when going down.
7. Six (6) foot fall protection policy must be adhered to.
D. The contractor shall have a City approved lockout tag-out procedure approved prior to the start of work, adhered to by all employees, and all work-crew members shall be fully trained and utilize this procedure when needed.
E. City reserves the right to terminate the contract at any time and without warning, if City deems the contractor is not adequately following established safety procedures or standards. This clause can be triggered, if so desired by the City, by an on-the-job injury to a human or damage to either equipment or facilities.
F. Contractor is responsible for providing all safety equipment and personal protective equipment required for the safe execution of the contract as part of the contract and all costs shall be at the Contractor’s expense.
G. All contractor safety procedures shall be submitted at the same time as a complete package to City for review and approval 2 weeks in advance of the prior to the performance of any electrical PM work. All changes following City’s initial approval will require re-submittal to City for review and approval in advance of use.
H. In the performance of the contract duties, Contractor, at its expense, shall take every precaution for the safety of its employees at all times.
I. Contractor's personnel must conform to established policies and procedures and must abide by all safety and security regulations for the facilities.
J. Each employee of Contractor will be subject to security check by City and shall wear an identification badge furnished by the Contractor at all times while on City property. City shall also reserve the right to bar contractors employees from city premises if employees are found to be in violation of facility regulations, and/or conduct regulations.
K. All keys used by Contractor's employees will be kept in a locked box within the Contractor's assigned space or another place designated by the City.
L. Contractor shall provide to SEP Central Control (648-6882, x-1300) or OSP (242-2200, x-2238) at all times a list of individuals and telephone numbers to be called in the event of an emergency situation.
M. No material, equipment, or part shall be used for any purpose other than that for which it is designed, specified, or intended.
N. Contractor shall assume full responsibility and liability for compliance with provisions of the Work Hours and Safety Standards Act (40 U. S.C. 327, et seq.) and regulations issued hereunder, including:
1. Federal OSHA
2. CAL/OSHA
3. SFPUC Wastewater Enterprise (WWE) regulations pertaining to work practices, protection of workers and visitors to the site.
4. The Code of Federal Regulations (CFR), Title-29 Labor.
5. Medical Surveillance Programs (e.g., OSHA, 29 CFR 1200).
6. Injury and Illness Prevention Programs (e.g., SB 198 and CAL/OSHA, GISO 3203, Section 5192 and 1509).
7. Implementation of mitigation measures under CEQA (AB 3180)
8. The Construction Standard (29 CFR 1926).
9. Workers' Right to Know (29 CFR 1910.120).
10. Section 6360-99 of the California Labor Code (Hazard Communication).
O. Contractor must furnish a completed Material Safety Data Sheet (MSDS) to be reviewed by the WWE Safety Officer as a submittal prior to the start of any material handling or usage for any material or products under this contract that contain or are considered to be a hazardous substance.
P. Contractor shall be solely and fully responsible for compliance with regulatory requirements applicable to the health and safety of persons during the performance of the Work, and shall fully assume the defense of, indemnify and hold harmless those entities and persons stipulated in the General Conditions.
Q. Where any regulations are in conflict, the more stringent requirements shall be followed. Failure to become thoroughly familiar with the aforementioned safety provisions shall not relieve Contractor and its subcontractors from compliance with the obligations set forth by this Specification.
R. The Resident Engineer will neither assume administration nor direct control and responsibility for maintaining Contractor’s safety program. The Resident engineer’s review of Contractor Safety Performance shall not be construed as approval of the adequacy of Contractor’s Safety Supervisor, Contractor’s Safety program or any safety measures taken in, on or near the project site.
S. As part of the safety program, Contractor shall maintain, at the jobsite, safety equipment applicable to the work as prescribed by the governing safety authorities, and all articles necessary for giving first aid to the injured; and shall establish the procedure for the immediate removal to a hospital or a doctor’s care of persons who may be injured on the jobsite.
1.10 OWNER, ENGINEER
A. The Owner is the City and County of San Francisco, hereinafter referred to as the “City”.
B. The Engineer is the “Resident Engineer,” Southeast Water Pollution Control Plant, Wastewater Enterprise, San Francisco Public Utilities Commission, or subsequent designee.
1.11 LAWS, CODES AND REGULATIONS
All inspections and field tests shall comply with the applicable provisions of current laws, safety rules and regulations of the City and County of San Francisco, the State of California, and the Federal Government, and any other applicable authority. In this connection, the Contractor’s special attention is directed to the following:
San Francisco Electrical Code 2005 Edition
National Electrical Code — NEC 2002 Edition
National Electrical Manufacturers’ Association — NEMA
American Society for Testing and Materials — ASTM
Institute of Electrical and Electronic Engineers — IEEE
InterNational Electrical Testing Association — NETA
American National Standards Institute — ANSI
State and Local Codes and Ordinances
Insulated Power Cable Engineers Association — IPCEA
Association of Edison Illuminating Companies — AEIC
National Fire Protection Association — NFPA 70B & 70E
National Electrical Safety Code — NESC
If any of these laws and standards should conflict with any of the Specifications contained herein, the Contractor shall notify the Engineer in writing.
1.12 ELECTRICITY TO BE USED DURING PREVENATATIVE MAINTENANCE WORK
The Contractor shall provide, at his/her own cost, a suitable and stable source of electrical power and lighting to each test site.
1.13 PERMIT REQUIREMENTS
The Contractor shall comply with the terms and conditions of all appropriate licenses or permits and all costs shall be at Contractor’s expense.
1.14 SAFETY REPRESENTATIVE
A. Contractor shall designate a fully qualified and experienced Site Safety Representative to be responsible for executing and enforcing the requirements of this Section. The Site Safety Representative shall:
1. Be familiar with the safety provisions of Federal OSHA and CAL/OSHA, as well as those contained in the Standard Specification.
2. Possess qualifications, which include a minimum of three years recent experience in conducting and supervising safety and health programs on projects similar to this contract.
3. Be currently certified in First Aid and CPR.
1.15 ACCIDENT DOCUMENTATION AND REPORTING
B. Contractor shall provide to the Resident Engineer, within twenty-four hours of occurrence, verbal notification of any Contractor’s jobsite or job-related accident or near-miss incident. Within five working days after the occurrence of any such accident or near-miss, Contractor shall provide the Resident Engineer with a complete written report of such occurrence. The written report shall provide full details and statements of witnesses.
C. In case of death, serious injuries or serious damages, the accident shall be reported immediately by telephone or messenger to the Resident Engineer as well as to the proper governing authorities.
D. Contractor shall promptly report in writing to the Resident Engineer all accidents whatsoever arising out of, or in connection with, the performance of the work whether on or adjacent to the site, giving full details and statements of witnesses.
E. If a claim is made by anyone against Contractor or any subcontractor on account of any accident related to Contractor’s work, Contractor shall promptly report the facts in writing to the Resident Engineer, giving full details of the claim.
F. Contractor shall provide the Resident Engineer copies of any accident report. laboratory test data, and medical monitoring results for record and evaluation within five working days of receipt of the above information and/or upon the request of the Resident Engineer.
1.16 SAFETY MEETING
A. Prior to commencement of work at each site, all parties intending to perform work on the site shall meet with the Wastewater Enterprise Safety Coordinator. The purpose of the meeting shall be to review the safety requirements and the methods Contractor will use to convey the information to construction personnel actually working on the site.
1.17 ELECTRICAL LOCKOUT/TAGOUT PROCEDURES
A. The Contractor safety program shall include training of his/her employees in procedures for locking out and tagging out of electrical and mechanical equipment which has been de-energized during the course of removal and replacement of media. (Reference: City and County of San Francisco, Public Utilities Commission, Wastewater Enterprise Division Lockout/Tagout).
1. The lockout/tagout of electrical energy sources shall occur at the circuit disconnect switch in all cases.
2. Locks and tags used for this purpose shall be furnished by the Contractor. Contractor shall furnish tags, lock box and any other supplies necessary for completion of this task.
3. White "DANGER" tags shall be used to indicate that a particular switch shall not be used. A owners/company lock will need to be used with these tags and the locks may be keyed alike.
4. Red "DANGER" tags shall be used to indicate the presence of someone inside or working on the equipment. Personal locks will need to be used with these tags and the locks will need to be individually keyed.
5. In the event that a job is incomplete at the end of a shift, the TAGGER will remove his personal Red DANGER tag, leaving the OWNER'S (City employee's) White DANGER tag for protection of the equipment. When the work is resumed, the employee will again hang the Red DANGER tag.
B. The WWE Safety Representative will provide further instruction at the Contractor's request.
1.18 PROGRESS SCHEDULES
A. Within seven (7) working days after the date of Notice to Proceed, the Contractor shall furnish 6 copies of a maintenance schedule showing in detail the proposed sequence of activities to be performed. Failure to submit the schedule on time will be considered cause for withholding of any progress payments otherwise due under the Contract.
B. The maintenance contract schedule shall consist of a computer print out bar chart and sample log sheet of activities. Contractor’s schedule shall begin with the date the City issues the Notice to Proceed and conclude with the date of Final Completion of the Contract.
1.19 SCHEDULE REVISIONS
A. The contractor shall submit to the Engineer for approval a revised maintenance schedule whenever a schedule revision is requested or any of the following occur:
1. A change order affects the completion date or the sequence of activities.
2. Progress of any critical activity falls significantly behind schedule as determined by the Engineer.
3. Delay on a noncritical activity changes the scheduled completion date of the work.
4. Contractor elects to change any sequence of activities affecting the project completion date.
B. Any revision to the schedule shall be submitted in writing to the Engineer for review and approval. The submission of a revised schedule will not relieve the Contractor of the responsibility for the notification required by Section 6.8 of San Francisco Administrative Code.
T CHANGES IN THE WORK
A. Additions, Deletions, and Revisions
1. The City, at any time between inception of the contract and final completion of the work therein may order additions, deletions, or revisions in the Work, and Contractor shall promptly comply with such orders and proceed with the Work, which shall be performed under the applicable requirements of the Contract Documents.
2. Additions, deletions, revisions that result in a change in the Contract Sum, Contract Time, or both shall be authorized by a written Change Order that has been approved by the City. A Field Order or Clarification issued by the City to Contractor shall effect those additions, deletions, or revisions that do not result in a change in the Contract Sum or Contract Time.
3. Change Orders made pursuant to this Section (1.20) or extensions to Contract Time made necessary by reason thereof shall not in any way release any guarantees or warranties given by Contractor pursuant to the provisions of the Contract Documents, nor shall they relieve or release Contractor’s sureties of bonds executed pursuant to said provisions. The sureties, in executing such bonds, shall be deemed to have expressly agreed to any such Change Orders and to any extension of time made by reason thereof. Contractor shall be responsible for giving notice of any change affecting the Work, Contract Sum or Contract Times that is required to be given to its sureties by the provisions of any bond.
4. Initiation: Either the City or the Contractor may initiate Change Orders. The City may initiate Change Orders by issuing a Proposed Change Order (PCO) which will include a detailed description of the proposed additions, deletions, or revisions with supplementary or revised Drawings and Specifications and will request from Contractor a quotation of cost and time for completing the proposed modifications. Contractor may initiate Change Orders by submitting a Change Order Request (COR), however the discretion is to the City whether to accept or to reject the (COR) and to proceed with obtaining proposals from other Contractors.
5. Execution of Change Orders: When the City and Contractor agree on the total cost and time of a PCO or COR, the City will prepare for signatures of parties a Change Order to formally implement the Work described in the PCO or COR. No oral instructions of any person whomsoever shall in any manner or degree modify or otherwise affect the terms of this Contract.
PART 2 – APPLICATIONS FOR PAYMENT
2.01 SCOPE
A. Payment for the various items of the Schedule of Bid Prices, as further specified herein, shall include all compensation to be received by Contractor for furnishing all tools, equipment, supplies, and manufactured products, and for all labor, operations, overhead and profit, applicable taxes, and incidentals appurtenant to the items of Work being described, as necessary to complete the various items of work as specified and as shown on the Drawings. No separate payment will be made for any item that is not specifically set forth in the Schedule of Bid Prices, and all costs therefor shall be included in the prices named in the Schedule of Bid Prices for the various appurtenant items of Work.
B. Contract Prices shall be deemed to include all bonds and insurance, all appurtenances necessary to complete the required Work, including all costs for compliance with the regulations of public agencies having jurisdiction, including Health and Safety Requirements of the California Division of Industrial Safety and the Occupational Safety and Health Administration of the U.S. Department of Labor (OSHA), and including all costs for loss or damage arising from the Work, or from action of the elements, for any unforeseen difficulties which may be encountered, and for all risks of every description connected with the prosecution of the Work until Project Completion, also for all expenses incurred in consequence of the suspension or discontinuance of the Work as provided in the Contract.
C. Except as otherwise expressly stipulated in the Contract Documents, no payment shall be made for materials stored on or off site, and for materials not yet incorporated into the Work on site.
D. Neither the payment of any estimate nor of any retained percentage shall relieve Contractor of its obligation to make good all defective work or material.
B BASIS OF PAYMENT
C. Lump Sum: When the estimated quantity for specific portions of Work is not indicated on the Schedule of Bid Prices and unit is designated as lump sum, payment will be on a lump sum basis for Work satisfactorily completed as set forth in the Specifications and shown on the Drawings.
2.03 ALLOWANCES
A. Allowance shall cover the actual direct cost to Contractor of labor and services provided for the contract for the utility service interruptions including applicable taxes and fees.
B. The amount given on Schedule of Bid Prices under the allowance item shall be the amount of funds set aside for the allowance. Said amount shall be included in Contractor’s Total Bid on the Schedule of Bid Prices.
C. If the actual cost of work done under any Allowance item is less than the amount shown on the Schedule of Bid Prices under that Allowance item the Contract Sum shall be reduced by the difference between the amount given in the Schedule of Bid Prices and the cost of the work actually done.
D APPLICATION AND SCHEDULE PROCEDURES
A. On the 25th of each month submit an itemized Application of Payment to the Resident Engineer covering the Work completed as of the date of the Application for Payment.
1. Submit under transmittal letter three copies of each Application for Payment filled out and signed by Contractor.
2. Submit a progress schedule update with each Application for Payment.
3. List each authorized Change Order executed prior to date of submission by Change Order Number and description, as for original items of work.
4. When the City requires substantiating data, Contractor shall submit suitable information with cover letter identifying Application of Payment number and date, line item by number and description.
B. Progress payments for the work performed under this Contract will be made in the manner described below.
1. Progress payments will be based upon progress estimates by Contractor and verified by the City of the actual physical progress of the work.
2. Progress payments will be made on a monthly basis and no mid-monthly payments will be made regardless of the value of the work and material incorporated prior thereto.
3. Contractor shall certify its estimate of the quantities of the work completed, contained in the monthly progress payment estimate, by signing each such estimate prior to its submission.
4. The City will make final determination if agreement cannot be reached on Contractor's progress payment request.
C. Pursuant to Section 1776 of the California Labor Code, no progress payments will be processed until Contractor has submitted to the City a certified payroll for the period involved for all employees including subcontractors, suppliers, or creditors for all labor and materials incorporated into the work.
1. The City will not be liable for costs arising from the delay in making progress payments.
PART 3 –EXECUTION
A SCHEDULE OF BID PRICES
Contractor shall include and submit all pricing for each bid item listed in the Bid Price Tables below.
1. Bid Item No. 1 to 11 PREVENTATIVE MAINTENANCE WORK AT SEP, BFS, CHS, SDS, GFS, BPS, NPP, NSP, OSP, WSS and ZWS, respectively.
Payment for furnishing all labor, equipment, materials, and services necessary for, and incidental to, the performance of the preventative maintenance work on the electrical distribution equipment including visual inspections, electrical and mechanical tests and adjustments, and the preparation of final reports as specified in the Specifications will be made at the Lump Sum bid price therefore in the Schedule of Bid Prices.
2. Bid Item No. 12 to 20 ALLOWANCE FOR PG&E SERVICE INTERRUPTIONS AT SEP, BFS, CHS, SDS, GFS, BPS, OSP, WSS and ZWS, respectively.
Payment for making all arrangements with the utility, PG&E, and associated costs for the required service interruptions for each of the facilities as specified in the Specifications will be made at the Lump Sum bid price therefore in the Schedule of Bid Prices.
3. Bid Item No. 21 to 23 PURCHASE OF CIRCUIT BREAKER LIFTING DEVICES FOR SWITCHBOARD AT SDS, GFS AND WSS, respectively.
Payment for purchasing three breaker lifting devices, one for each station for racking circuit breakers in and out switchboard.
4. Bid Item 24 REPLACING BATTERIES, CHARGERS, BUSSING and RACKS AT SEP PRIMARY SWITCHING STATION PSS.
Payment for furnishing and installing new batteries, chargers, bussing and racks, including but not limited to remove, and disposal of existing batteries and parts.
5. Bid Item No. 25 to 28 OIL SAMPLING AND ANALYSIS AT SEP, BPS, OSP.
Payment for furnishing all labor, equipment, materials, and services necessary for, and incidental to, the oil sampling and analysis reports at liquid filled transformers as specified in the Specifications will be made at the Lump Sum bid price therefore in the Schedule of Bid Prices.
BID PRICE TABLE – BID ITEM NO. 1 TO 11
|Bid Item |Description |Electrical PM cost | |Total cost |
|No. | | |On-line Partial Discharge | |
| | | |Cost | |
|1 |Southeast Water Pollution Control Plant |$ |$ |$ |
|2 |Bruce Flynn Pump Station |$ | |$ |
|3 |Channel Pump Station |$ |$ |$ |
|4 |Sunnydale Pump Station |$ | |$ |
|5 |Griffith Pump Station |$ | |$ |
|6 |Booster Pump Station |$ |$ |$ |
|7 |North Point WPCP | |$ |$ |
|8 |North Shore Pump Station |$ |$ |$ |
|9 |Oceanside Water Pollution Control Plant |$ |$ |$ |
|10 |Westside Pump Station |$ | |$ |
|11 |Zoo Wet Weather Station |$ | |$ |
| | | | | |
BID PRICE TABLE – BID ITEM NO. 12 TO 20
|Bid Item No. |Description |Allowance for PG&E Service Cost |
|12 |Southeast Water Pollution Control Plant |$ 2,500 |
|13 |Bruce Flynn Pump Station |$ 2,500 |
|14 |Channel Pump Station |$ 2,500 |
|15 |Sunnydale Pump Station |$ 2,500 |
|16 |Griffith Pump Station |$ 2,500 |
|17 |Booster Pump Station |$ 2,500 |
|18 |Oceanside Water Pollution Control Plant |$ 3,000 |
|19 |Westside Pump Station |$ 3,000 |
|20 |Zoo Wet Weather Station |$ 3,000 |
BID PRICE TABLE – BID ITEM NO. 21 TO 24
|Bid Item No. |Description |Equipment and Installation Cost |
|21 |Sunnydale Pump Station |$ |
|22 |Griffith Pump Station |$ |
|23 |Westside Pump Station |$ |
|24 |Southeast Water Pollution Control Plant |$ |
BID PRICE TABLE – BID ITEM NO. 25 TO 28
|Bid Item No. |Description |Oil Sampling Services |
|25 |Southeast Water Pollution Control Plant, Booster Pump Station and Oceanside |$ |
| |Water Pollution Control Plant. (Total of 28 transformer units) | |
|26 |Booster Pump Station and Oceanside Water Pollution Control Plant (Total of 7|$ |
| |transformer units) | |
|27 |Southeast Water Pollution Control Plant, and Oceanside Water Pollution |$ |
| |Control Plant. (Total of 27 transformer units) | |
|28 |Southeast Water Pollution Control Plant and Booster Pump Station. (Total of |$ |
| |22 transformer units) | |
PART 4 – ELECTRICAL TESTING
A DIVISION OF RESPONSIBILITY
A. The Contractor shall supply a suitable and stable source of electrical power, lighting to each test site and fan for ventilation where required.
B. The Contractor shall submit a preliminary progress schedule and then coordinate and arrange a meeting with the City to discuss and revise the schedule before any work begins. The Contractor shall submit the revised progress schedule before any work begins.
C. The Contractor shall submit for the City’s review and approval the manufacturer’s literature on the proposed cleaning solvent(s), lubricant(s) to be used and all documents as listed in Part 1 – 1.11.E
D. The Contractor shall notify the City in writing fourteen (14) working days before when equipment is to be needed for the maintenance work. Work shall be coordinated to minimize equipment down time. Work shall not be scheduled for, nor conducted on, a wet weather day. Determination of a wet weather day is up to the sole discretion of WWE Operations Management. Scheduled maintenance work may be cancelled up to one day (or less) in advance.
E. Any system, material or workmanship that is found defective on the basis of the maintenance tests shall be reported verbally and in writing to WWE’s on site Electrical Foreman and documented in the final report.
F. The Contractor shall maintain a written record of all tests, and, upon completion of the project, shall assemble, certify and submit a test report within ten (10) business days for review after the completion of each year’s electrical maintenance work. Note the submittal of the final test report is requirement for achieving substantial completion.
G. The Contractor shall be responsible for implementing all final settings and adjustments on protective devices in accordance with City engineer’s specified values or at as-found settings.
H. Furnishing and installing replacement parts and performing repair works throught change order as initated by City.
I. Submit a test equipment, tool and material inventory check-out/check-in procedure and sample list for the electrical PM work.
B SUITABLILITY OF TEST EQUIPMENT
J. All test equipment shall be in good mechanical and electrical condition
K. Split-core current transformers and clamp-on or tong-type ammeters require careful consideration of the following in regard to accuracy:
1. Position of the conductor within the core
2. Clean, tight fit of the core pole faces
3. Presence of external fields
4. Accuracy of the current transformer ratio in addition to the accuracy of the secondary meter
L. Selection of metering equipment should be based on a knowledge of the waveform of the variable being measured. Digital multimeters may be average or rms sensing and may include or exclude the dc component. When the variable contains harmonics or dc offset and, in general, any deviation from a pure sine wave, average sensing, and rms scaled meters may be misleading.
M. Field test metering used to check power system meter calibration must have an accuracy higher that that of the instrument being checked.
N. Accuracy of metering in test equipment shall be appropriate for the test being performed but not in excess of two percent of the scale used.
O. Waveshape and frequency of test equipment output waveforms shall be appropriate for the test and the tested equipment.
C TEST INSTRUMENT CALIBRATION
P. The Contractor shall have a calibration program which maintains all applicable test instrumentation within rated accuracy.
Q. The accuracy shall be traceable to the National Institute of Standards Technology.
R. Instruments shall be calibrated in accordance with the following frequency schedule:
1. Field instruments: Analog, 6 months maximum. Digital, 12 months maximum.
2. Laboratory instruments — 12 months.
3. Leased specialty equipment — 12 months where accuracy is guaranteed by lessor.
S. Dated calibration labels shall be visible on all test equipment.
T. Records, which show date and results of all instruments calibrated or tested, must be kept up-to-date and shall be made available to the City upon request.
U. An up-to-date instrument calibration instructions and procedures will be maintained for each test instrument.
V. Calibrating standard shall be higher accuracy than that of the instrument tested.
D TEST REPORT
W. The test report shall detail each individual piece of equipment by nameplate data, thoroughly discuss the associated findings, provide recommendations, and include the following:
1. Summary of project.
2. Listing of equipment tested including identifying and recording all medium voltage fuse and fuse elements ratings and sizes.
3. Description of tests.
4. Test results with specific acceptacle range indicated.
5. Analysis, conclusions and recommendations.
6. Appendix, including appropriate test forms.
7. List of test equipment used and their calibration dates.
X. Furnish three (3) copies of the complete report to the City for review and approval no later than ten (10) business days after completion of the maintenance work of all sessions scheduled for each year unless directed otherwise.
Y. The report shall be in a three ring binder with tabbed/sub-tabbed dividers with name of each facility/substation/switchgear group/equipment group between each section.
Z. The report shall have a Table of Contents including all tabbed and sub-tabbed sections. The Contract Title, Contract number and date of the report shall be displayed on the front cover, the back spine of the binder, and first page of the report.
AA. After the report has been reviewed and approved, submit three (4) hard copy versions and three (3) electronic versions copy on a CD. One copy on a CD of original version shall be in the latest versions of Microsoft Word, Excel and two (2) copy on a CD PDF file formats with all pages similar to hard copy version.
E INSPECTION, MAINTENANCE AND TEST PROCEDURES
1 ALL EQUIPMENT
1. WWE Electrical Maintenance Personnel shall;
a. Perform all switching operations
b. Remove and replace all panels and covers at rear of equipment.
c. Perform all cleaning and torquing only in the back of switchgear components and assemblies
d. Perform the grounding of all primary input power assemblies.
2 SWITCHGEAR AND SWITCHBOARD ASSEMBLIES
2. Visual and Mechanical Inspection:
a. Compare equipment nameplate information with latest single line diagram when available and report discrepancies.
b. Inspect for physical, electrical, and mechanical condition including evidence of moisture or corona.
c. Verify appropriate anchorage, required area clearances, physical damage, and correct alignment.
d. Verify that fuse and/or circuit breaker sizes and types correspond to drawings.
e. Document current and voltage (potential) transformer ratios.
f. Check tightness of and torque all bolted connections (except as those noted in Division II, Item A.1.c above) using the calibrated torque-wrench method in accordance with manufacturer’s published data or NETA MTS-2005 Table 100.12.
g. Confirm correct operation and sequencing of electrical and mechanical interlock systems.
1) Attempt closure shall be made on locked open devices. Attempt to open on locked closed devices.
2) Make key exchange with devices operated in off-normal positions.
h. Thoroughly clean unit using approved methods and materials prior to testing.
i. Inspect insulators for evidence of physical damage or contaminated surfaces.
j. Verify proper barrier and shutter installation and operation.
k. Verify appropriate contact lubrications on moving current carrying parts, verify appropriate lubrication on moving and sliding surfaces, lubricate as required with appropriate lubricant.
l. Exercise all active components.
m. Inspect all mechanical and electrical/electronic indicating devices for proper operation.
n. Verify that filters are in place and vents are clear
o. Test operation, alignment, and penetration of instrument transformer withdrawal disconnects, current-carrying and grounding.
p. Inspect control power transformers.
1) Inspect for physical damage, cracked insulation, broken leads, tightness of connections, defective wiring, and overall general condition
2) Document primary and secondary fuse or circuit breakers ratings.
3) Verify correct functioning of drawout disconnecting and grounding contacts and interlocks.
3. Electrical Tests:
a. Perform inspections and test on all instrument transformers per Part 4 – 4.06. L: Instrument Transformers.
b. Perform ground systems inspections and tests per Part4 – 4.06.S: Grounding Systems.
c. Perform resistance measurements through all bus joints with a low resistance ohmmeter in accordance with Item B.1.f above.
d. Perform insulation resistance test on each bus, phase-to-phase and phase-to-ground for one (1) minute in accordance with NETA MTS-2005 Table 100.1.
e. Verify operation of switchgear/switchboard heaters.
f. Perform inspections and tests on all protective relays per Part 1.6.N: Protective Relays.
4. Test Values:
a. Compare bus connection resistances to values of similar connections.
b. Bolt torque levels shall be in accordance with NETA MTS-2005 Table 100.12 unless otherwise specified by manufacturer.
c. Microhm or millivolt drop values shall not exceed the high levels of the normal range as indicated in the manufacturer’s published data. If manufacturer’s data is not available, investigate and values which deviate from similar bus by more than 50 percent of the lowest value.
d. Insulation-resistance values for bus shall be in accordance with manufacturer’s published data. In the absence of manufacturer’s published data, use NETA MTS-2005 Table 100.1. Values of insulation resistance less than this table or manufacturer’s minimum should be investigated.
3 TRANSFORMERS, DRY TYPE, AIR-COOLED, LARGE
5. Visual and Mechanical Inspection:
a. Inspect physical and mechanical condition including evidence of moisture and corona.
b. Inspect anchorage, alignment, and grounding.
c. Thoroughly clean unit using approved methods and materials prior to testing.
d. Verify that control and alarm settings on temperature indicators are as specified.
e. Verify that cooling fans operate.
f. Check tightness of and torque all bolted connections (except as those noted in, Item A.1.c . above) using the calibrated torque-wrench method in accordance with manufacturer’s published data or NETA MTS-2005 Table 100.12, then inspect all bus connections for high resistance using low-resistance ohmmeter.
g. Verify that as-left tap connections are as specified.
h. Verify the presence of surge arresters.
6. Electrical Tests:
a. Perform resistance measurements through all bolted connections with a low resistance ohmmeter in accordance with Item c.1.f above.
b. Perform insulation-resistance tests winding-to-winding and each winding-to-ground with test voltage in accordance with NETA 2005 Table 100.5. Calculate polarization index.
c. Perform power-factor or dissipation-factor tests in accordance with the test equipment manufacturer's published data. Include test values below.
d. Perform turns-ratio tests at the designated tap position.
e. Measure the resistance of each winding at the designated tap position.
f. Verify correct secondary voltage phase-to-phase and phase-to-neutral after energization and prior to loading.
g. Test surge arresters in accordance with Part 4 – 4.06.U.
7. Test Values:
a. Compare bolted connection resistances to values of similar connections.
b. Bolt torque levels, if applicable, shall be in accordance with NETA MTS-2005 Table 100.12 unless otherwise specified by manufacturer.
c. Microhm or millivolt drop values shall not exceed the high levels of the normal range as indicated in the manufacturer's published data. If manufacturer's data is not available, investigate any values which deviate from similar connections by more than 50 percent of the lowest value.
d. Insulation-resistance test values at one minute should be in accordance with NETA MTS-2005 Table 100.5.
e. The polarization index shall be compared to previously obtained results and should not be less than 1.0.
f. Turns-ratio test results should not deviate more than one-half percent from either the adjacent coils or the calculated ratio.
g. Temperature corrected winding-resistance test results should compare within one percent of previously obtained results.
4 TRANSFORMERS — LIQUID FILLED
8. Visual and Mechanical Inspection:
a. Inspect for physical damage. Make a close examination for all damage that may have occurred as the result of environment, or other problems which could interfere with normal operation.
b. Compare equipment nameplate information with latest single line diagram and report discrepancies.
c. Verify proper auxiliary device operation such as fans, pumps, sudden pressure device, indicators, tap changer, and gas pressurization system.
d. Check tightness of external bolted electrical joints.
e. Check all liquid in tanks and bushings for proper level and inspect for oil leaks.
f. Perform specific inspection and mechanical tests as recommended by manufacturer.
9. Electrical Tests:
a. Insulation resistance tests shall be performed winding-to-winding and winding-to-ground. Appropriate guard circuit shall be utilized over all bushings.
b. A dielectric absorption test shall be made winding-to-winding and winding-to-ground for ten (10) minutes. The polarization index shall be computed as the ratio of the ten (10) minute to the one (1) minute reading.
c. Insulation power factor tests shall be made on all high and low voltage winding and bushings. Overall dielectric loss and power factor (CH, CL, CHL) shall be determined. Undergrounded specimen tests (UST) shall be made on any bushings equipped with power factor or capacitance taps.
d. A turns ratio test shall be performed between windings at the designated tap position..
e. Measure secondary voltage phase-to-phase and phase-to-ground after final energization and prior to loading.
f. Insulating oil shall be sampled in accordance with ASTM D-923. Sample shall be laboratory tested for:
1) Dielectric strength
2) Acid neutralization number
3) Interfacial tension
4) Color
5) Power factor
6) PPM water
g. Insulating oil shall also be sampled in accordance with ASGTM D-3613 and a dissolved gas analysis shall be performed in accordance with ASTM3612
h. Measure dew point and/or oxygen content of top gas when applicable.
i. Winding resistance tests shall be made for each winding at nominal tap position.
j. Perform special tests and adjustments as suggested by manufacturer on tap changer, fan and pump control, and alarm functions.
10. Test Values:
a. Insulation resistance and absorption test. Test voltages to be in accordance with NETA MTS-2005 Table 100.5. Resistance values to be temperature corrected in accordance with NETA MTS-2005 Table 100.14.
b. The absorption test polarization index should be above 2.0 unless an extremely high value is obtained at the end of one (1) minute that when doubled will not yield a meaningful value with the available test equipment.
5 CIRCUIT BREAKERS, VACUUM, MEDIUM-VOLTAGE
11. Visual and Mechanical Inspection:
a. Inspect physical and mechanical condition
b. Inspect anchorage, alignment, and grounding.
c. Thoroughly clean unit using approved methods and materials prior to testing.
d. Perform all mechanical operational tests on both the circuit breaker and its operating mechanism.
e. Measure critical distances such as contact gap as recommended by manufacturer.
f. Check tightness of and torque all bolted connections (except as those noted in Item A.1.c above) using the calibrated torque-wrench method in accordance with manufacturer’s published data or NETA MTS-2005 Table 100.12, then inspect all bus connections for high resistance using low-resistance ohmmeter.
g. Verify appropriate contact lubrications on moving current carrying parts, verify appropriate lubrication on moving and sliding surfaces, and lubricate as required with appropriate lubricant.
h. Perform as-left tests.
i. Record as-found and as-left operation counter readings.
j. Verify all indicating and control devices for correct operation.
k. Test all mechanical and electrical interlocking systems for correct operation and sequencing.
l. Exercise all active components.
12. Electrical Tests:
a. Perform resistance measurements through all bolted connections with a low resistance ohmmeter in accordance with Item 1.f above.
b. Perform insulation resistance test on each pole, phase-to-phase and phase-to-ground with switch closed and across each open pole for one minute. Test voltage shall be in accordance with manufacturer’s published data or NETA MTS 2005 Table 100.1.
c. Perform a contact/pole-resistance test.
d. Perform minimum pickup voltage tests on trip and close coils in accordance with NETA MTS 2005 Table 100.20.
e. Verify trip, close, trip-free, and antipump functions.
f. Trip circuit breaker by operation of each protective device.
g. Perform vacuum bottle integrity (overpotential) test across each vacuum bottle with the breaker in the open position in strict accordance with manufacturer's published data. Do not exceed maximum voltage stipulated for this test. Provide adequate barriers and protection against x-radiation during this test. Do not perform this test unless the contact displacement of each interrupter is within manufacturer's tolerance. (Be aware that some dc high-potential test sets are half-wave rectified and may produce peak voltages in excess of the breaker manufacturer's recommended maximum.)
h. Test instrument transformers in accordance with Part 4 – 4.06..L.
13. Test Values:
a. Compare bolted connection resistances to values of similar connections.
b. Bolt torque levels, if applicable, shall be in accordance with NETA MTS-2005 Table 100.12 unless otherwise specified by manufacturer.
c. Microhm value shall not exceed the high levels of the normal range as indicated in the manufacturer’s published data. If manufacturer’s data is not available, investigate any values that deviate from adjacent poles or similar switches by more than fifty percent (50%) of the lowest value.
d. Circuit breaker insulation resistance shall be in accordance with NETA MTS-2005 Table 100.1 and results shall be temperature corrected in accordance with NETA MTS-2005 Table 100.14.
e. Contact displacement shall be in accordance with factory recorded data marked on the nameplate of each vacuum breaker or bottle.
f. The insulation shall withstand the overpotential test voltage applied.
6 AIR SWITCHES — MEDIUM VOLTAGE
14. Visual and Mechanical Inspection:
a. Inspect for physical damage.
b. Perform mechanical operator tests in accordance with manufacturer’s instructions.
c. Check blade alignment and arc interrupter operation.
d. Check fuse linkage and element for proper holder and current rating.
e. Check each fuse holder for adequate mechanical support of each fuse.
f. Check key interlocks for safe operation and proper key distribution.
15. Electrical Tests:
a. Perform insulation resistance test on each phase-to-ground and from phase-to-phase.
b. Perform overpotential test on each pole-to-ground and pole-to-pole.
c. Perform contact resistance test across each switch blade and fuse holder.
16. Test Values:
a. Contact resistance shall be determined in micro-ohms. Any value exceeding 50 micro-ohms or any values which deviate from adjacent poles or similar switches by more than fifty percent (50%) should be investigated.
G. VACUUM SWITCHES — MEDIUM VOLTAGE
1. Visual and Mechanical Inspection:
a. Inspect for physical damage.
b. Perform mechanical operator tests in accordance with manufacturer’s instructions.
c. Check blade alignment and arc interrupter operation.
d. Check key interlocks for safe operation and proper key distribution.
e. Verify correct operation and adjustment of motor operator limit switches and mechanical interlocks.
f. Verify that insulating oil level is correct.
2. Electrical Tests:
a. Perform resistance measurement through bolted electrical connections with a low-resistance ohmmeter
b. Perform a contact/pole-resistance test.
c. Perform insulation-resistance tests on each pole, phase-to-phase and phase-to-ground with switch closed and across each open pole for one minute. Test voltage shall be in accordance with manufacturer’s data.
d. Perform vacuum bottle integrity (overpotential) test across each vacuum bottle with the switch in the open position in strict accordance with manufacturer’s published data. Do not exceet the maximum voltage stipulated for this test. Provide adequate barriers and protection against x-radiation during this test.
e. Remove a sample of insulating liquid, if applicable, in accordance with ASTM D 923. Sample shall be tested in accordance with the referenced standard.
1. Dielectric breakdown voltage: ASTM D 877
2. Color: ASTM D 1500
3. Visual condition: ASTM D 1524
f. Perform insulation-resistance tests on all control wiring with respect to ground.
3. Test Values:
a. Compare bolted connection resistances to values of similar connections.
b. Bolt-torque levels should be in accordance with Table 100.12 unless otherwise specified by the manufacturer.
c. Microhm or millivolt drop values shall not exceed the high levels of the normal range as indicated in the manufacturer’s published data.
d. Insulation resistance values should be in accordance with manufacturer’s published data or Table 100.1.
e. Critical distances of operating mechanism should be in accordance with manufacturer’s publish data.
f. The vacuum bottles shall withstand the overpotential voltage applied.
g. Insulation liquid test results should be in accordance with Table 100.3.
h. Control wiring minimum insulation-resistance values should be comparable to previously obtained results but not less than two megohms.
i. The insulation shall withstand the overpotential test values applied.
8 CIRCUIT BREAKERS—MEDIUM VOLTAGE--AIR
1. Visual and Mechanical Inspection:
a. Inspect physical and mechanical condition.
b. Inspect anchorage, alignment, and grounding. Inspect arc chutes. Inspect moving and stationary contacts for condition, wear, and alignment.
c. Verify that all maintenance devices are available for servicing and operating the breaker.
d. Verify that primary and secondary contact wipe and other dimensions vital to satisfactory operation of the breaker are correct.
e. Perform all mechanical operator and contact alignment tests on both the breaker and its operating mechanism.
f. Check tightness of and torque all bolted connections (except as those noted in Part 1.6.A.1.c above) using the calibrated torque-wrench method in accordance with manufacturer’s published data or NETA MTS-2005 Table 100.12, then inspect all bus connections for high resistance using low-resistance ohmmeter.
g. Verify cell fit and element alignment.
h. Verify racking mechanism and proper operation of racking interlocks, if applicable.
i. Inspect puffer operation.
j. Thoroughly clean unit using approved methods and materials prior to testing.
k. Verify appropriate contact lubrications on moving current carrying parts, verify appropriate lubrication on moving and sliding surfaces, lubricate as required with appropriate lubricant.
l. Record as-found and as-left operation counter readings, if applicable.
2. Electrical Tests:
a. Perform a contact-resistance test.
b. Measure insulation resistance pole-to-pole, pole-to-ground, and across open poles. Use a minimum test voltage of 2500 volts.
c. Perform resistance measurements through all bolted connections with a low resistance ohmmeter in accordance with Item 1.f above.
d. With breaker in the test position, when applicable, make the following tests:
1) Trip and close breaker with the control switch.
2) Trip breaker by operating each of its protective relays.
3) Verify trip-free and antipump function.
4) Perform minimum pickup voltage tests on trip and close coils.
e. Measure blow-out coil circuit resistance.
3. Test Values:
a. Compare bus connection resistances to values of similar connections.
b. Bolt torque levels shall be in accordance with NETA MTS-2005 Table 100.12 unless otherwise specified by manufacturer.
c. Microhm value shall not exceed the high levels of the normal range as indicated in the manufacturer’s published data. If manufacturer’s data is not available, investigate any values which deviate from adjacent poles or similar breakers by more than fifty percent (50%) should be investigated.
d. Circuit breaker insulation resistance shall be in accordance with NETA MTS-2005 Table 100.1 and results shall be temperature corrected in accordance with NETA MTS-2005 Table 100.14.
e. Minimum pickup for trip and close coils shall conform to manufacturer’s published data.
9 CIRCUIT BREAKERS — LOW VOLTAGE (MOLDED CASE)
4. Visual and Mechanical Inspection:
a. Inspect circuit breaker for correct mounting.
b. Operate circuit breaker to insure smooth operation.
c. Inspect case for cracks, heat damage, or other defects.
d. Check tightness of and torque all bolted connections (except as those noted in Part 1.6.A.1.c. above) using the calibrated torque-wrench method in accordance with manufacturer’s published data or NETA MTS-2005 Table 100.12, then inspect all bus connections for high resistance using low-resistance ohmmeter.
e. Thoroughly clean unit using approved methods and materials prior to testing.
5. Electrical Tests:
a. Perform a contact resistance test.
b. Perform an insulation resistance test at 1000 volts dc from pole-to-pole, and from each pole-to-ground with breaker closed and across open contacts of each phase.
c. Perform resistance measurements through all bolted connections with a low resistance ohmmeter, if applicable, with Item 1.d above.
d. Perform long-time delay time-current characteristic tests by passing 300 percent rated current through each pole separately unless series testing is required to defeat ground fault functions
e. Determine short-time pickup and time delay by primary current injection.
f. Determine ground-fault pickup by primary injection.
g. Determine instantaneous pickup current by primary injection using run-up or pulse method.
h. Verify correct operation of any auxiliary features such as trip and pickup indicators, trip-free, and anti pump function.
6. Test Values:
a. Compare bus connection resistances to values of similar connections.
b. Bolt torque levels shall be in accordance with NETA MTS-2005 Table 100.12 unless otherwise specified by manufacturer.
c. Microhm value shall not exceed the high levels of the normal range as indicated in the manufacturer’s published data. If manufacturer’s data is not available, investigate any values that deviate from adjacent poles or similar breakers by more than fifty percent (50%) of the lowest value.
d. Circuit breaker insulation resistance shall be in accordance with NETA MTS-2005 Table 100.1 and results shall be temperature corrected in accordance with NETA MTS-2005 Table 100.14.
e. Trip characteristic of breakers shall fall within manufacturer’s published time-current characteristic tolerance band, including adjustment factors.
f. All trip times shall fall within values shown in NETA MTS-2005 Table 100.7. Circuit breakers exceeding specified trip times at 300 percent of pickup shall be tagged defective.
g. Instantaneous pickup values shall be within values shown in NETA MTS-2005 Table 100.8.
10 LOW VOLTAGE POWER BREAKER
7. Mechanical Checks:
a. Clean breaker enclosure and inspect for cracks, heat damage or other defects.
b. Check external connections for signs of overheating and check for tightness.
c. Check breaker against single-line drawing (when supplied) for correct rating, conductor size and feeder designation.
d. Operate breaker several times to insure smooth operation.
8. Electrical Checks:
a. Check long-time delay at 300% of trip unit rating.
b. Check short-time delay at settings (if applicable).
c. Check instantaneous pickup. (May not be possible on circuit breakers rated 3000A and above).
d. Check ground fault pickup and delay at settings (if applicable).
e. Check contact resistance with a low resistance ohmmeter. (A millivolt drop test may be conducted.
f. Check breaker insulation resistance with a 1000 Volt DC megohmeter.
|a. Phase-to-phase |breaker closed |
|b. Phase-to-ground |breaker closed |
|c. Across contacts |breaker open |
g. Check electronically operated breakers for proper operation including auxiliary device (ground fault, undervoltage, remote trip, etc.), when applicable.
h. Check breakers with solid state trip devices with a solid state tester or by primary current injection.
11 METAL-ENCLOSED BUSWAYS
9. Visual and Mechanical Inspection:
a. Inspect physical and mechanical condition.
b. Inspect anchorage, alignment, and grounding.
c. Check tightness of and torque all bolted connections using the calibrated torque-wrench method in accordance with manufacturer’s published data or NETA MTS-2005 Table 100.12, then inspect all bus connections for high resistance using low-resistance ohmmeter.
d. Compare bolted connection resistances to values of similar connections.
e. Examine outdoor busway for removal of "weep-hole" plugs, if applicable, and the correct installation of joint shield
f. Inspect and clean ventilating openings.
g. Clean any accumulated dust and dirt throught use of brush, vacuum cleaner or clean lint-free rages. Do not use an air blower or compressed air.
10. Electrical Tests:
a. Perform resistance measurements through bolted connections and bus joints with a low-resistance ohmmeter in accordance with Item F.1.d above.
b. Measure insulation resistance of each busway, phase-to-phase and phase-to-ground for one minute, in accordance with NETA MTS-2005 Table 100.1.
c. Perform an overpotential test on each busway, phase-to-ground with phases not under test grounded, in accordance with manufacturer’s published data. If manufacturer has no recommendation for this test, it shall at 1,000 VDC. The test voltage shall be applied for one minute.
d. Verify operation of busway heaters.
11. Test Values:
a. Compare bus connection resistances and bus joint resistances to values of similar connections.
b. Bolt torque levels shall be in accordance with NETA MTS-2005 Table 100.12 unless otherwise specified by manufacturer.
c. Microhm values shall not exceed the high levels of the normal range as indicated in the manufacturer’s published data. If manufacturer’s data is not available, investigate any values which deviate from adjacent poles or similar breakers by more than fifty percent (50%) should be investigated.
d. Insulation-resistance test voltages and resistance values shall be in accordance with manufacturer's specifications or Table 100.1. Minimum resistance values are for a nominal 1000-foot busway run. Use the following formula to convert the measured resistance value to the 1000-foot nominal value:
e. R1000ft = Measured Resistance x Length of Run/1000
f. Converted values of insulation resistance less than those in NETA MTS-2005 Table 100.1 or manufacturer's minimum shall be investigated. Overpotential tests shall not proceed until insulation-resistance levels are raised above minimum values.
g. The insulation shall withstand the overpotential test voltage applied.
12 INSTRUMENT TRANSFORMERS
12. Visual and Mechanical Inspection
a. Inspect physical and mechanical condition
b. Prior to cleaning the unit, perform as-found tests, if required.
c. Clean the unit
d. Check tightness of and torque all bolted using the calibrated torque-wrench method in accordance with manufacturer’s published data or NETA MTS-2005 Table 100.12, then inspect all bus connections for high resistance using low-resistance ohmmeter
e. Verify that all required grounding and shorting connections provide contact.
f. Verify correct operation of transformer withdrawal mechanism and grounding operation.
g. Verify correct primary and secondary fuse sizes for voltage transformers.
h. Lubrication requirements: Use appropriate lubrication on moving current-carrying parts and use appropriate lubrication on moving and sliding surfaces
i. Perform as-left tests.
13. Electrical Tests - Current Transformers
a. Perform resistance measurements through bolted connections with a low-resistance ohmmeter in accordance with the above requirements.
b. Perform insulation-resistance test of each current transformer and wiring-to-ground at 1000 volts dc. For units with solid-state components, follow manufacturer's recommendations.
c. Perform a polarity test of each current transformer.
d. Perform a ratio-verification test using the voltage or current method in accordance with ANSI/IEEE C57.13.1. 1 (IEEE Guide for Field Testing of Relaying Current Transformers).
e. Verify that current circuits are grounded and have only one grounding point in accordance with ANSI/IEEE C57.13.3 (IEEE Guide for the Grounding of Instrument Transformer Secondary Circuits and Cases).
14. Electrical Tests - Voltage Transformers
a. Perform resistance measurements through bolted connections with a low-resistance ohmmeter, if applicable, in accordance with the above requirements.
b. Perform insulation-resistance tests winding-to-winding and each winding-to-ground. Test voltages shall be applied for one minute in accordance with NETA MTS-2005 Table 100.5. For units with solid-state components, follow manufacturer's recommendations.
c. Perform a polarity test on each transformer to verify the polarity marks or H1-X1 relationship as applicable.
d. Perform a turns ratio test on all tap positions, if applicable.
15. Test Values
a. Compare bolted connection resistances to values of similar connections.
b. Bolt-torque levels should be in accordance with NETA MTS-2005 Table 100.12 unless otherwise specified by the manufacturer.
c. Microhm or millivolt drop values shall not exceed the high levels of the normal range as indicated in the manufacturer's published data. If manufacturer's data is not available, investigate any values which deviate from similar connections by more than 50 percent of the lowest value.
d. Insulation-resistance measurement on any instrument transformer shall be not less than that shown in NETA MTS-2005 Table 100.5.
e. Polarity results shall agree with transformer markings.
f. Ratio accuracies shall be within 0.5 percent of nameplate or manufacturer's published data.
13 METERING AND INSTRUMENTATION
16. Visual and Mechanical Inspection:
a. Examine all devices for mechanical and electrical damage and wire connection tightness.
b. Check condition of meter face and face gaskets.
17. Electrical Tests:
a. Check calibration of all meters at five points using full scale test instruments and shall have precision no more than fifty percent (50%) of the instrument being tested.
b. Calibrate watt-hour meters to one-half percent (.5%).
c. Verify all instrument multipliers.
d. After the meters are calibrated, a calibration curve should be generated which shows the accuracy of the meter throughout full range. Test values should be applied to the meter and data taken to plot the curves from 0 to full-scale reading.
e. Meter selector switches shall be inspected for proper application and operation.
N. PROTECTIVE RELAYS
1. Visual and Mechanical Inspection:
a. Inspect relays and cases for physical damage.
b. Tighten case connection. Inspect cover for correct gasket seal. Clean cover glass. Inspect shorting hardware, connection paddles, and/or knife switches. Remove any foreign material from the case. Verify target reset.
c. Inspect relay for foreign material, particularly in disc slots of the damping and electromagnets. Verify disc clearance. Verify contact clearance and spring bias. Inspect spiral spring convolutions. Inspect disk and contacts for freedom of movement and correct travel. Verify tightness of mounting hardware and connections. Burnish contacts. Inspect bearings and/or pivots.
d. Verify all settings are in accordance with setting sheet supplied by the owner, or, if setting sheet is not provided, all settings shall be left as found unless otherwise instructed by the City.
2. Electrical Tests:
a. Perform insulation-resistance test on each circuit to frame. (Do not perform this test on solid state relays.)
b. Perform the following tests on the nominal settings specified by engineer:
1) Pickup parameters on each operating element
2) Timing test shall be performed at three (3) points on performance curves.
3) Pickup targets and seal in units must operate properly.
4) Special test as required to check operation of restraint, directional, and other elements per manufacturer’s instruction manual.
5) Perform phase angle and contribution tests on all phase sensitive relays.
3. Control Verification
a. Verify that each of the relay contacts performs its intended function in the control scheme including breaker trip tests, close inhibit tests, 86 lockout tests, and alarm functions.
4. Test Values
a. When not otherwise specified, use manufacturer’s recommended tolerances.
b. When settings are specified, the relay should be calibrated to those points even though other test points may be out of tolerance.
O. MOTOR STARTERS- MEDIUM VOLTAGE
1. Visual and Mechanical Inspection
a. Inspect physical, electrical, and mechanical condition, including evidence of moisture and/or corona.
b. Check tightness of and torque all bolted connections (except as those noted in Item A.1.c above) using the calibrated torque-wrench method in accordance with manufacturer’s published data or NETA MTS-2005 Table 100.12, then inspect all bus connections for high resistance using low-resistance ohmmeter.
c. Test all electrical and mechanical interlock systems for correct operation and sequencing.
d. Verify correct barrier and shutter installation and operation.
e. Exercise all active components and confirm correct operation of all indicating devices.
f. Inspect contactors.
1) Verify mechanical operation.
2) Inspect and adjust contact gap, wipe, alignment, and pressure in accordance with manufacture’s published data.
g. Compare overload protection rating with motor nameplate to verify correct size. Set adjustable or programmable devices at as-found settings.
h. Thoroughly clean unit using approved methods and materials prior to testing.
i. Verify appropriate contact lubrications on moving current carrying parts, verify appropriate lubrication on moving and sliding surfaces, lubricate as required with appropriate lubricant.
2. Electrical Tests
a. Perform resistance measurements through all bolted connections with a low-resistance ohmmeter, if applicable, in accordance with Item 1.b.above.
b. Perform insulation-resistance tests on contactor(s), phase-to-ground, phase-to-phase, and across the open contacts for one minute in accordance with NETA MTS-2005 Table 100.1.
c. Perform a contact-resistance test.
d. Measure blowout coil circuit resistance.
e. Measure resistance of power fuses.
f. Energize contactor using an auxiliary source. Adjust armature to minimize operating vibration where applicable.
g. Test motor overload relay elements by injecting primary current through overload circuit and monitoring trip time of the overload element.
NOTE: Test times for thermal trip units will, in general, be longer than manufacturer’s curve if single-pole testing is performed. Optionally test with all poles in series for time test and each pole separately for comparison.
h. Test ground-fault protection by injecting primary current through sensor. Confirm pickup level and timing.
i. If solid-state or microprocessor-type protective relaying is used, test in accordance with Section I.: Protective Relays.
j. Verify operation of cubicle space heater.
3. Test Values
a. Compare bolted connection resistances to values of similar connections.
b. Bolt-torque values shall be in accordance with NETA MTS-2005 Table 100.12 unless otherwise specified by manufacturer.
c. Microhm or millivolt drop values shall not exceed the high levels of the normal range as indicated in the manufacturer’s published data. If manufacturer’s data is not available, investigate any values that deviate from similar connections by more than 50% percent of the lowest value.
d. Starter insulation resistance shall be in accordance with NETA MTS-2005 Table 100.1
e. Resistance values shall not deviate by more than 15 percent between identical fuses.
f. Overload trip times shall be in accordance with manufacturer’s published data.
P. MOTOR STARTERS- LOW-VOLTAGE
1. Visual and Mechanical Inspection:
a. Inspect physical and mechanical condition.
b. Inspect anchorage, alignment, and grounding.
c. Inspect contactors.
1) Verify mechanical operation
2) Inspect and adjust contact gap, wipe, alignment, and pressure in accordance with manufacturer’s published data.
d. Compare overload element rating with motor full-load current rating to verify correct sizing.
e. Verify tightness of accessible bolted electrical connections by calibrated torque-wrench method in accordance with manufacturer’s published data or Table 100.12.
f. Verify appropriate contact lubrications on moving current carrying parts, verify appropriate lubrication on moving and sliding surfaces, lubricate as required with appropriate lubricant.
2. Electrical Tests
a. Perform resistance measurements through bolted connections with a low-resistance ohmmeter, if applicable, in accordance with Section 1.b above.
b. Perform insulation-resistance tests on each, pole, phase-to-phase and phase-to-ground with starter closed and across each open pole for one minute. Test voltage shall be in accordance with manufacturer’s published data or Table 100.1.
c. Test motor protection devices in accordance with manufacturer’s published data
d. Perform operational tests by initiating control devices.
3. Test Values
a. Compare bolted connection resistance to values of similar connections.
b. Bolt-torque levels should be in accordance with Table 100.12 unless otherwise specified by manufacturer.
c. Microhm or millivolt drop values shall not exceed the high levels of the normal range as indicated in the manufacturer’s published data. If manufacturer’s data is not available, investigate any values which deviate from similar connections by more than 50 percent of the lowest value.
d. Insulation-resistance values shall be in accordance with Table 100.1.
e. Control wiring minimum insulation-resistance values should be comparable to previously obtained results but not less than two megaohms.
Q. MOTOR CONTROL CENTERS, LOW-VOLTAGE
1. Refer to Section B for appropriate inspection and test of the motor center bus.
2. Refer to Section H & I for appropriate inspection and test of the motor center circuit breakers.
a. Refer to Section O for appropriate inspection and test of the motor center starter.
R. METERING
1. Visual and Mechanical Inspection:
a. Inspect physical and mechanical condition.
b. Verify tightness of electrical connections.
c. Inspect cover gasket, cover glass, condition of spiral spring, disc clearance, contacts, and case-shorting contacts, as applicable.
d. Verify freedom of movement, end play, and alignment of rotating disk(s).
e. Thoroughly clean unit using approved methods and materials prior to testing.
2. Electrical Tests:
a. Check calibration of all meters at all cardinal points. Check calibration of all meters at five points using full scale test instruments and shall have precision no more than fifty percent (50%) of the instrument being tested.
b. Calibrate meters in accordance to manufacturer’s published data. Calibrate watt-hour meters to one-half percent (.5%).
c. Verify all instrument multipliers.
d. Meter selector switches shall be inspected for proper application and operation.
S. GROUNDING SYSTEMS
1. Visual and Mechanical Inspection
a. Verify ground system.
2. Electrical Tests
a. Perform fall-of-potential test or direct reading method in accordance with IEEE Standard 81 on the main grounding electrode or system.
b. Perform point-to-point tests to determine the resistance between the main grounding system and all major electrical distribution frames, system neutral, and/or derived neutral points.
3. Test Values
a. The resistance between the main grounding electrode and ground should be no greater than five ohms for commercial or industrial systems and one ohm or less for generating or transmission station grounds unless otherwise specified by the owner. (Reference: ANSI/IEEE Standard 142)
b. Investigate point-to-point resistance values that exceed 0.5 ohm.
T. GROUND-FAULT PROTECTION SYSTEMS
1. Visual and Mechanical Inspection
a. Visually inspect the components for damage and errors in polarity or conductor routing.
1) Verify that ground connection is made ahead of neutral disconnect link and on the line side of any ground fault sensor.
2) Verify that neutral sensors are connected with correct polarity on both primary and secondary.
3) Verify that all phase conductors and the neutral pass through the sensor in the same direction for zero sequence systems.
4) Verify that grounding conductors do not pass through zero sequence sensors.
5) Verify that the grounded conductor is solidly grounded.
b. Check tightness of and torque all bolted connections (except as those noted in Item A.1.c above) using the calibrated torque-wrench method in accordance with manufacturer’s published data or NETA MTS-2005 Table 100.12, then inspect all bus connections for high resistance using low-resistance ohmmeter.
c. Verify correct operation of all functions of the self-test panel.
d. Verify pickup and time-delay settings.
2. Electrical Tests
a. Measure the system neutral-to-ground insulation resistance with the neutral disconnect link temporarily removed. Replace neutral disconnect link after testing.
b. Perform resistance measurements through all bolted connections with a low-resistance ohmmeter in accordance with item 1.b above.
c. Perform the following pickup tests using primary injection:
1) Verify that the relay does not operate at 90 percent of the pickup setting.
2) Verify pickup is less than 125 percent of setting or 1200 amperes, whichever is smaller.
d. For summation type systems utilizing phase and neutral current transformers, verify correct polarities by applying current to each phase-neutral current transformer pair. This test also applies to molded-case breakers utilizing an external neutral current transformer.
1) Relay should operate when current direction is the same relative to polarity marks in the two current transformers.
2) Relay should not operate when current direction is opposite relative to polarity marks in the two current transformers.
e. Measure time delay of the relay at 150 percent or greater of pickup.
f. Verify reduced control voltage tripping capability: 55 percent for ac systems and 80 percent for dc systems.
3. Test Values
a. Compare bolted connection resistance to values of similar connections.
b. Bolt-torque levels, if applicable, shall be in accordance with NETA MTS-2005 Table 100.12 unless otherwise specified by manufacturer.
c. Microhm or millivolt drop values shall not exceed the high levels of the normal range as indicated in the manufacturer’s published data. If manufacturer’s data is not available, investigate any values that deviate from similar connections by more than 50 percent of the lowest value.
d. System neutral-to-ground insulation shall be a minimum of one megohm.
e. Insulation resistance values shall be in accordance with NETA MTS-2005 Table 100.1.
f. Relay timing shall be in accordance with manufacturer’s specifications but must be no longer than one second at 3000 amperes.
U. SURGE ARRESTOR
Low-Voltage Surge Protection Devices
1. Visual and Mechanical Inspection
a. Inspect physical and mechanical condition.
b. Inspect for correct mounting and adequate clearances.
c. Check tightness of and torque all bolted connections (except as those noted in Item A.1.c above) using the calibrated torque-wrench method in accordance with manufacturer’s published data or NETA MTS-2005 Table 100.12, then inspect all bus connections for high resistance using low-resistance ohmmeter.
d. Verify that the ground lead on each device is individually attached to a ground bus or ground electrode.
2. Electrical Tests
a. Perform resistance measurements through all bolted connections with a low-resistance ohmmeter, if applicable, in accordance with Item 1.c above.
b. Perform insulation-resistance tests. Use manufacturer’s recommended values or NETA MTS-2005 Table 100.1
c. Test grounding connection in accordance with Section on Grounding Systems.
3. Test Values
a. Compare bolted connection resistances to values of similar connections.
b. Bolt-torque levels, if applicable, shall in accordance with NETA MTS-2005 Table 100.12 unless otherwise specified by manufacturer.
c. Microhm or millivolt drop values shall not exceed the high levels of the normal range as indicated in the manufacturer’s published data. If manufacturer’s data is not available, investigate any values that deviate from similar connections by more than 50 percent of the lowest value.
d. Insulation-resistance values shall be in accordance with NETA MTS-2005 Table 100.1.
e. Resistance between the arrester ground terminal and the ground system shall be less than 0.5 ohm.
V. MEDIUM VOLTAGE SURGE PROTECTION DEVICES
1. Visual and Mechanical Inspection
a. Inspect physical and mechanical condition.
b. Inspect for correct mounting and adequate clearances.
c. Check tightness of and torque all bolted connections (except as those noted in Item A.1.c above) using the calibrated torque-wrench method in accordance with manufacturer’s published data or NETA MTS-2005 Table 100.12, then inspect all bus connections for high resistance using low-resistance ohmmeter.
d. Verify that the ground lead on each device is individually attached to a ground bus or ground electrode.
e. Verify that stroke counter, if present, is correctly mounted and electrically connected.
2. Electrical Tests
a. Test grounding connection in accordance with Section on Grounding Systems.
b. Perform resistance measurements through all bolted connections with a low-resistance ohmmeter, if applicable, in accordance with 1.c. above.
c. Perform an insulation-resistance test at voltage levels in NETA MTS-2005 Table 100.1.
3. Test Values
a. Compare bolted connection resistances to values of similar connections.
b. Bolt-torque levels, if applicable, shall be in accordance with NETA MTS-2005 Table 100.12 unless otherwise specified by the manufacturer.
c. Microhm or millivolt drop values shall not exceed the high levels of the normal range as indicated in the manufacturer’s published data. If manufacturer’s data is not available, investigate any values that deviate from similar connections by more than 50 percent of the lowest value.
d. Resistance between the arrester ground terminal and the ground system shall be less than 0.5 ohm.
e. Compare watts loss to similar units.
f. Insulation-resistance values should be in accordance with NETA MTS-2005 Table 100.1.
W. BATTERY SYSTEM
1. Visual and Mechanical Inspection:
a. Inspect for physical damage.
b. Check intercell bus link integrity.
2. Electrical Tests:
a. Measure system charging voltage and each individual cell voltage.
b. Measure electrolyte specific gravity and level.
c. Measure voltage drop across individual cell.
d. Perform infrared scan on batteries during discharge or recharge cycle. Observing intercell connectors, battery links, and plates where possible.
3. Test Values:
a. Compare measured values with manufacturer’s.
X. CAPACITORS AND REACTORS, CAPACITORS
1. Visual and Mechanical Inspection
a. Inspect physical and mechanical condition.
b. Inspect anchorage, alignment, and required clearances.
c. Prior to cleaning the unit, perform as-found tests.
d. Clean the unit.
e. Verify that capacitors are electrically connected in their specified configuration.
f. Check tightness of and torque all bolted connections (except as those noted in Item A.1.c above) using the calibrated torque-wrench method in accordance with manufacturer’s published data or NETA MTS-2005 Table 100.12, then inspect all bus connections for high resistance using low-resistance ohmmeter.
2. Electrical Tests
a. Perform insulation-resistance tests from phase terminal(s) to case for one minute. Test voltage and minimum resistance shall be in accordance with manufacturer’s published data or NETA MTS-2005 Table 100.1.
b. Measure the capacitance of all terminal combinations.
c. Measure resistance of internal discharge resistors.
3. Test Values
a. Compare bolted connection resistances to values of similar connections.
b. Bolt-torque levels should be in accordance with NETA MTS-2005 Table 100.12 unless otherwise specified by manufacturer.
c. Microhm or millivolt drop values shall not exceed the high levels of the normal range as indicated in the manufacturer’s data. If manufacturer’s data is not available, investigate any values that deviate from similar connections by more than 50 percent of the lowest value.
d. Insulation-resistance values should be in accordance with NETA MTS-2005 Table 100.1.
e. Investigate capacitance values differing from manufacturer’s published data.
f. Investigate discharge resistor values differing from manufacturer’s published data. In accordance with NEC Article 460, residual voltage of a capacitor shall be reduced to 50 volts in the following time intervals after being disconnected from the source of supply.
Rated Voltage Discharge Time
≤ 600 volts 1 minute
> 600 volts 5 minutes
Y. PARTIAL DISCHARGE TESTING
1. Electrical Tests:
a. Perform the partial discharge testing on all medium voltage cables while the medium voltage circuits and equipment remain in service and energized. The cable circuits shall not be disconnected or de-energized and testing shall not expose the cables to voltage that exceed normal operating voltage.
b. Use a frequency domain detection process incorporating a spectrum analyzer with radio frequency current transformer (RF CT) sensors. The detection system, including spectrum analyzer, RF CTs and interconnecting cable, shall have a PD detection range that at least covers the frequency range of 10khz to 300Mhz. The testing shall be performed in a manner that complies with the requirements of:
1) IEEE Standard 400-2005, IEEE Guide for Field Testing and Evaluation of the Insulation of Shielded Power Cable Systems.
2) IEEE Draft Standard 400.3 Partial Discharge Testing of Shielded Power Cable Systems in a Field Environment.
(The medium voltage cables that are to be tested are identified on the reference drawings marked as “OPD” on-line partial discharge test for the applicable WWE facilities.)
Z. EMERGENCY SYSTEMS, AUTOMATIC TRANSFER SWITCHES
1. Visual and Mechanical Inspection
a. Inspect physical and mechanical condition.
b. Inspect anchorage, alignment, and required clearances.
c. Prior to cleaning the unit, perform as-found tests.
d. Lubrication requirements:
1) Use appropriate lubrication on moving current-carrying parts.
2) Use appropriate lubrication on moving and sliding surfaces
e. Verify that manual transfer warnings are attached and visible.
f. Verify tightness of all control connections.
g. Check tightness of and torque all bolted connections using the calibrated torque-wrench method in accordance with manufacturer’s published data or NETA MTS-2005 Table 100.12, then inspect all bus connections for high resistance using low-resistance ohmmeter.:
h. Perform manual transfer operation
i. Verify positive mechanical interlocking between normal and alternate sources.
j. Perform as-left tests.
2. Electrical Tests
a. Perform resistance measurements through bolted connections with a low-resistance ohmmeter.
b. Perform insulation resistance tests on all control wiring with respect to ground. Applied potential shall be 500 volts dc for 300 volt rated cable and 1000 volts dc for 600 volt rated cable. Test duration shall be one minute. For units with solid-state components or for control devices that cannot tolerate the applied voltage, follow manufacturer’s recommendations.
c. Perform a contact/pole-resistance test.
d. Verify settings and operation of control devices.
e. Calibrate and set all relays and timers in accordance with Section N.
f. Perform automatic transfer tests:
1) Simulate loss of normal power.
2) Return to normal power.
3) Simulate loss of emergency power.
4) Simulate all forms of single-phase conditions.
g. Verify correct operation and timing of the following functions:
1) Normal source voltage-sensing relays
2) Engine start sequence
3) Time delay upon transfer
4) Alternate source voltage-sensing relays
5) Automatic transfer operation
6) Interlocks and limit switch function
7) Time delay and retransfer upon normal power restoration
8) Engine cool down and shutdown feature
3. Test Values
a. Compare bolted connection resistances to values of similar connections.
b. Bolt-torque levels should be in accordance with Table 100.12 unless otherwise specified by manufacturer.
c. Microhm or millivolt drop values shall not exceed the high levels of the normal range as indicated in the manufacturer’s data. If manufacturer’s data is not available, investigate any values that deviate from similar connections by more than 50 percent of the lowest value.
d. Insulation-resistance values should be in accordance with Table 100.1.
PART 5 SOUTHEAST WATER POLLUTION CONTROL PLANT (SEP)
A PRIMARY SWITCHING STATION PSS 12.47 kV SECTIONS I AND II
A. SWITCHES AND BREAKERS
1. Two Air Circuit Breakers:
a. Westinghouse Porcel Line Type DPH, 150 DPH 750 C; 1200 AMP, 12 KV; Style 29Y208884, Series 2; Continuous AMP: 1200; K-Factor 1.30; B.I.L: 95 KV; Rated Short Circuit: 28 KA; C+L: 58 KA; Date 12/79; 60 HZ, Max. KV 15. Motor volts: 48VDC; Close Volts: 40-50VDC, AMPS 10; Trip Volts: 28-50V DC, Amps 10; Inter-time 5 Cycles; Breaker weight - 2,200
2. Eight Load Interrupter Switches
a. Westinghouse WLI, Style 7274A64G05, Nominal Rating: 13.8 KV, Continuous 1200A; Maximum Rating: 15 KV, Interrupting: 600; B.I.L. Rating 95 KV; 80 KV MOM; Fault Rating 61 KA at fault.
3. Two Load Breaking Switches
a. Westinghouse WLI, Style 7274A71G10, Bus-Tied, Nominal Rating 13.8 KV, Continuous: 1200A; Max Rating: 15 KV, Interrupting: 600A; B.I.L. Rating 95 KV; 80 KV MOM, Fault Rating 61 KA at fault.
B. PROTECTIVE RELAYS
1. Six 51 Devices Phase Over Current Relays
a. Westinghouse Type C0-11, Cat. #CO11H1101N, Style 265CO47AO5, Over Current Unit: 1-12 AMP, 60HZ; Indicator 0.2-2 AMP DC; Instruction Leaflet 41-100; Schematic 57D4523
2. Two 5IN Devices
a. Westinghouse Ground Over Current Relays, Type CO-11, Cat# CO11L1101N, Style 265CO47AO1, Over Current Unit: 5-2.5 AMP, 60HZ; Indicator 0.2-2 AMPS DC; Instruction Leaflet 41-100; Schematic 57D4523
3. Two 47 Devices
a. Westinghouse Bus (Reverse Phase) Voltage Relays, Type CP, Style 289B415Al3A; Volt. Unit 120V, 60 HZ, 3PH. Indicator 0.2-2 AMP; Instruction Leaflet 41-222.2
4. Two 27/1 Devices
a. Westinghouse, Type CV-2, Bus Undervoltage Relay, Style 1875509A; 240V, 60 HZ, Volt. Unit Indicator 0.2-2 AMP; Instruction Leaflet 41-201
5. Two 27/2 Devices
a. Westinghouse, Type SV-1, Battery DC Undervoltage Relays, Style 718B83OA10, 48V D.C.; Instruction Leaflet 41-766.1
6. Two 27/3 Devices
a. Basler BE1-27,
7. Two 32 Devices
a. Basler BE1-32R,
8. Two Lockout Relays, Devices 86
C. MISCELLANEOUS COMPONENTS
1. Two Watt-Hour Demand Meters: Westinghouse Type D4B-8FM
2. Two Ammeters: 0 –1,200 amps.
3. Four Voltmeters: 0 – 15 KV
4. Six Current Transformers, Protective Relays, And Instrumentation
5. Sixteen Potential Transformers, Instrumentation
6. Two Control Power Transformers: 12,470:120/240 volts
7. Replace two Battery Chargers/Power Supply with new bussing, batteries and rack
a. Autoreg Model #ARR48AC25F3 Spec.. 760 Ser..# ES80459 A.C. Volts 120/208/240 1 PH. T.C. 50 A.C. AMP 24/ 14/ 12 60HZ D.C. Volts 52.8 D.C. AMPS 25 24 Cell
b. C&D Type DCU-17, 8HR CAP, 200AH, 892, 47920 01,48V. D.C.
8. Two 100 AMP Panels
a. Westinghouse 120/208 V, 2P-70 AMP Breaker Main, 24 Breakers
9. Two Annunciator Panels
10. IQ Analyzer, Cutler-Hammer Catalog No. IQA6630
D. MEDIUM VOLTAGE CABLES
1. See attached reference single line drawing page 2 & 5 for identified cables with “OPD” mark up.
B UNIT SUBSTATIONS
E. There are 21 unit substations with the following specifications--See Tables 5-1 and 5-2 below for the specific equipment information for each substation.
NOTE: Substation number 16 has been de-energized and is out of service. No preventative work shall be performed on this unit under this contract.
1. Incoming Line Section: Westinghouse Type WLI, fixed, metal enclosed load interrupter switchgear:
a. Medium Voltage Switch: Westinghouse Type WLI, 600 Amp, 15 KV; Style #7274A61G03; Nom Rating 13.8 KV; BIL: 95 KV; Continuous 1200A, Max. rating 1200A, Interrupting 600 Amp; Momentary 80 KA, Fault close 40 KA.
b. Transformer: Westinghouse Type RSL liquid filled transformer; 12,470-480Y/277V [or 4160Y/2400 for SS-6 & SS-7 only]; 3 Phase, 60 Hertz, Oil Insulation, Class: OA/FA; Full Wave Impulse Level: HV 95KV, LV 30KV; IB# PC1001.
2. Low Voltage Section: Westinghouse POW-R-LINE, metal enclosed. Each section contains a 5 KVA 480-120/240 volt control power transformer and a 120/240 volt substation service panel that feeds the auxiliary equipment. Typical auxiliary components are shown on the Westinghouse Electric Corp. reference drawing ST78C1523.
F. Substation SS-17 has the following specifications:
1. Incoming Line Section:
a. Medium Voltage Switch: General Electric Load Interrupter, 600 Amp, 15 KV; Nom Rating 13.8 KV; BIL: 95 KV; Continuous 1200A, Max. rating: 1200A, Interrupting: 600 Amp; Momentary: 61 KA, Fault close: 61 KA; Serial No. M125 6555.
b. Transformer: General Electric Type RSL liquid filled transformer; 12,470-480Y/277V; 3 Phase, 60 Hertz, Oil Insulation, Class: OA/FA.
2. Low Voltage Section: General Electric Powerbreak Switchgear, metal enclosed. Assume similar auxiliary as the Westinghouse substations above.
3. Replace #1/0 jumper cables and lugs on fuse side of switch.
C 4,160 VOLT SWITCHGEAR AND MOTOR STARTERS AT BUILDING 270
G. The Westinghouse 4,160 volt switchgear is a group-mounted medium voltage motor control center that contains:
1. Two (2) main switches which are 3 pole, 600 amp, 4.8 kV nominal rating, two position, load-break, fused air interrupter type with gang-operated quick-make, quick-break operating mechanism and position indicator. The fuses are the current limiting type.
2. One (1) bus tie switch that is the same as the mains above except it is non-fused.
3. Three (3) Westinghouse Ampgard drawout type motor starter units-each complete with air-break contactor with 400 amp rated main contacts; drawout current limiting power fuses; shunt capacitors (200 KVAR); surge capacitor and lighting arrestor for motor surge protection; temperature compensated, 3 pole, thermal overload relay; single phase control power transformer with 120 volt secondary; instantaneous zero sequence ground fault relay, type 50GS, and a watts transducer (possible anti-single phasing mechanism).
4. Metering: Two (2) Westinghouse (Cutler-Hammer) IQ Data Plus II metering devices-one at each main switch section. These 2 devices have replaced the 2 voltmeters and watt-hour meters shown on the reference drawing number 270-E-2.
TABLE 5-1: SEP UNIT SUBSTATION FEEDER AND TRANSFORMER DATA
| UNIT |PSS 12.47 KV|FEEDER |FEEDS | | |TRANSFORMER| | | | |
|Dry Weather Motor 2 |SPB 50 |800A |600A |1.0x |min. |10x |4x |min. |0.4F |min. |
|SECTION B | | | | | | | | | | |
|Dry Weather Motor 3 |SPB 50 |800A |600A |1.0x |min. |10x |4x |min. |0.4F |min. |
|Dry Weather Motor 4 |SPB 50 |800A |600A |1.0x |min. |10x |4x |min. |0.4F |min. |
|Tie Breaker |SPB 65 |
|Nominal 4.8 |Continuous 600 |
|Maximum 5.0 |Interrupting 600 |
|B.I.L. 60 |Momentary 40,000 |
| |Fault Close 40,000 |
1. Transformers (2)
a. Section A: Westinghouse DT-3 (dry type); 750 KVA, 4160 Delta / 480-277 Wye. 3 PH, 60 HZ; Style # V46D47T77D, Ser. # G80A05424
b. Section B: Westinghouse DT-3 (dry type); 750 KVA, 4160 Delta to 480/277 Wye, 3 PH, 60 HZ; Style # V46D47T77D, Serial # G79L4673.
B. Low Voltage 480Volt Sections A & B: Westinghouse POW-R-GEAR Switchboard; 480V 3 PH 3 Wire; Mfg'd at STW Date 10, 1980
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|Item |
|Table 7-2 |
|Protective Relay Settings — Motor Starter Substations |
|Circuit Location |MSS-1 |MSS-2 |MSS-3 |
|Relay Function |49/50 |49/50 |49/50 |
|Full-Load Amps |60A |60A |60A |
|Ultimate Trip |100% |100% |100% |
|Locked Rotor Current |625% |625% |625% |
|Stall Time |10 Sec. |10 Sec. |10 Sec. |
|Inst Overcurrent |700% |700% |700% |
|Inst OC St. Run Delay |3 CYC |3 CYC |3 CYC |
|Ground Fault Trip |4A |4A |4A |
|Ground Fault Str Delay |2 CYC |2 CYC |2 CYC |
|Ground Fault Run Delay |2 CYC |2 CYC |2 CYC |
|Coordination Curve No. |14 |14 |14 |
|Table 7-3 |
|Protective Relay Settings — Switchgear SS1 |
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|CIRCUIT BREAKER NUMBER |
|Item |52-A, B |52-T |52-1 |52-2 |52-3 |52-4 |52-5 |52-6 |52-7 |
|Circuit Description |Main Breakers |Tie Breaker |Feeds |Feeds |Feeds |Feeds |Feeds MCC 620-1A |Spare Breaker |Spare Breaker |
| | | |MCC 011-1A |MCC 011-2A |MCC 011-3A |MCC 510-1A | | | |
|Circuit Breaker Type |DS-632 |DS-632 |DS-206 |DS-416 |DS-416 |DS-206 |DS-416 |DS-206 |DS-206 |
|Plug Rating |3200A |3200A |600A |1000A |1000A |300A |1200A |400A |800A |
|Long Delay Setting |1X |1X |1X |1X |0.9X |1X |1X |NA |NA |
|Long Delay Time |2 Sec. |2 Sec. |7 Sec. |7 Sec. |7 Sec. |24 Sec. |7 Sec. |NA |NA |
|Short Delay Pickup |2X |2X. |4X |3X |3X |8X |3X |NA |NA |
|Short Delay Time |0.5 Sec. |0.4 Sec. |0.2 Sec. |0.2 Sec. |0.2 Sec. |0.2 Sec. |0.2 Sec. |NA |NA |
|Short Delay Time I2T |Out |Out |Out |Out |Out |Out |Out |NA |NA |
|Instrument Pickup |NA |NA |NA |NA |NA |NA |NA |NA |NA |
|Ground Fault Pickup |A |A |A |A |A |A |A |NA |NA |
|Ground Fault Time |0.5 Sec. |0.3 Sec. |0.1 Sec. |0.1 Sec. |0.1 Sec. |0.1 Sec. |0.1 Sec. |NA |NA |
|Ground Fault Time I2T |Out |Out |Out |Out |Out |Out |Out |NA |NA |
|Coordination |8 |8 |5 |6 |6 |7 |8 |NA |NA |
|Curve No. | | | | | | | | | |
|NA = Not Applicable. |
|Table 7-3 continued |
|Protective Relay Settings — Switchgear SS1 |
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|CIRCUIT BREAKER NUMBER |
|Item |52-8 |52-9 |52-10 |52-11 |52-12 |52-13 |52-14 |52-15 |52-16 |52-10 |
|Circuit Description |Future |Future |Spare Breaker |Spare Breaker |Feeds |Feeds |Feeds |Feeds |Feeds |Future |
| | | | | |MCC 620-1B |MCC 510-1B |MCC |MCC |MCC | |
| | | | | | | |011-3B |011-2C |011-1C | |
|Circuit Breaker Type |NA |NA |DS-416 |DS-416 |DS-416 |DS-206 |DS-416 |DS-416 |DS-206 |NA |
|Plug Rating |NA |NA |1000A |1200A |1200A |300A |1000A |1000A |600A | |
|Long Delay Setting |NA |NA |NA |NA |1X |1X |0.9X |1X |1X |NA |
|Long Delay Time |NA |NA |NA |NA |7 Sec. |24 Sec. |7 Sec. |7 Sec. |7 Sec. |NA |
|Short Delay Pickup |NA |NA |NA |NA |3X |8X |3X |3X |4X | |
|Short Delay Time |NA |NA |NA |NA |0.2 Sec. |0.2 Sec. |0.2 Sec. |0.2 Sec. |0.2 Sec. |NA |
|Short Delay Time I2T |NA |NA |NA |NA |Out |Out |Out |Out |Out |NA |
|Instrument Pickup |NA |NA |NA |NA |NA |NA |NA |NA |NA |NA |
|Ground Fault Pickup |NA |NA |NA |NA |A |A |A |A |A |NA |
|Ground Fault Time |NA |NA |NA |NA |0.1 Sec. |0.1 Sec. |0.1 Sec. |0.1 Sec. |0.1 Sec. |NA |
|Ground Fault Time I2T |NA |NA |NA |NA |Out |Out |Out |Out |Out |NA |
|Coordination |NA |NA |NA |NA |8 |7 |6 |6 |5 | |
|Curve No. | | | | | | | | | | |
|NA = Not Applicable. |
|Table 7-4 |
|Protective Relay Settings — Switchgear SS2 |
| | |
| |CIRCUIT BREAKER NUMBER |
|Item |52-A, B |52-T |52-1 |52-2 |52-3 |52-4 |52-5 |
|Circuit Description |Main Breaker |Tie Breaker |Spare Breaker |Feeds |Feeds |Feeds |Feeds |
| | | | |MCC 930-1A |MCC 930-2A |MCC 930-2B |MCC 930-1B |
|Circuit Breaker Type |DS-416 |DS-416 |DS-206 |DS-416 |DS-206 |DS-206 |DS-416 |
|Plug Rating |1600A |1600A |300A |1200A |600A |600A |1200A |
|Long Delay Setting |1X |1X |NA |1X |1X |1X |1X |
|Long Delay Time |24 Sec. |24 Sec. |NA |7 Sec. |7 Sec. |7 Sec. |7 Sec. |
|Short Delay Pickup |3X |3X |NA |3X |4X |4X |3X |
|Short Delay Time |0.5 Sec. |0.4 Sec. |NA |0.2 Sec. |0.2 Sec. |0.2 Sec. |0.2 Sec. |
|Short Delay Time I2T |Out |Out |NA |Out |Out |Out |Out |
|Instrument Pickup |NA |NA |NA |NA |NA |NA |NA |
|Ground Fault Pickup |A |A |NA |A |A |A |A |
|Ground Fault Time |0.5 Sec. |0.3 Sec. |NA |0.1 Sec. |0.1 Sec. |0.1 Sec. |0.1 Sec. |
|Ground Fault Time I2T |Out |Out |NA |Out |Out |Out |Out |
|Coordination Curve No. |9 |9 |NA |9 |5 |5 |9 |
|NA = Not Applicable. |
|Table 7-5 |
|Protective Relay Settings — Switchgear SS3 |
| |CIRCUIT BREAKER NUMBER |
|Item |
|Table 7-6 |
|Protective Relay Settings — Switchgear SS4 |
| |CIRCUIT BREAKER NUMBER |
|Item |
|Table 7-7 |
|Protective Relay Settings — Switchgear SS5 |
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| |CIRCUIT BREAKER NUMBER |
|Item |
|Table 7-8 |
|Protection Relay Settings — Switchgear SS5 |
|SETTINGS FOR THE BE1-51 OVERCURRENT RELAYS | |SETTINGS FOR THE BE1-51 OVERCURRENT RELAYS |
|Item |52-1 and 52-2 | |Item |52-1 and 52-2 |
|Circuit Description |Generator Breakers | |Circuit Description |Generator Breakers |
|Relay Function |51VR | |Relay Function |51GF |
|CT Ratio |1000/5 | |CT Ratio |50/5 |
|Relay Type |BE 1-51VR | |Relay Type |BE 1-51 |
|Relay Ranges: | | |Relay Ranges: | |
|Time Overcurrent |0.5-12A | |Time Overcurrent |1.5-12A |
|Instantaneous |1-40A | |Instantaneous |NA |
|Time Curve No. |B3 | |Time Curve No. |Inverse |
|Tap Setting |6A* | |Tap Setting |5A |
|Time Dial |10 | |Time Dial |7 |
|Instrument Setting |40A | |Instrument Setting |NA |
|Coordination Curve No. |NA | |Coordination Curve No. |NA |
|*At 100% Restraint Voltage. | |*At 100% Restraint Voltage. |
|Table 7-8 |
|Protection Relay Settings — Switchgear SS5 |
|SETTINGS FOR A NEGATIVE SEQUENCE RELAY | |SETTINGS FOR A LOSS OF EXCITATION RELAY |
|Item |52-1 and 52-2 | |Item |52-1 and 52-2 |
|Circuit Description |Generator Breakers | |Circuit Description |Generator Breakers |
|Relay Function |46 | |Relay Function |40 |
|CT Ratio |1000/5 | |CT Ratio |1000/5 |
|Relay Type |BE 1-46N | |PT Ratio |480/120V |
|Tap Range |3-5A | |Relay Type |BE1-40Q |
|Time Range |10-990 SEC | |Tap Range |120V |
|K - Range |Jan-99 | |Time Delay Range |1-99 SEC |
|Tap Setting |F | |Tap Setting |E |
|% Trip |5 | |Time Delay Setting |2 |
|% Alarm |5 | | | |
|K - Setting |40 | | | |
|Maximum Time |0 | | | |
|Table 7-8 |
|Protection Relay Settings — Switchgear SS5 |
|SETTINGS FOR A REVERSE POWER RELAY | |SETTINGS FOR A SYNCHRONISM CHECK RELAY |
|Item |52-1 and 52-2 | |Item |52-1 and 52-2 |
|Circuit Description |Generator Breakers | |Circuit Description |Generator Breakers |
|Relay Function |32 | |Relay Function |25C |
|Relay Type |BE1-32R | |PT Ratio |480/120V |
|Tap Range |5-200W | |Relay Type |BE1-25 |
|Time Delay Range |Jan-99 | |Phase Angle Range |1-99 DEG |
|Time Curve |Inverse | |Time Delay Range |1-99 SEC |
|Tap Setting |160W | |Phase Angle Setting |20 DEG |
|Time Delay Setting |4 | |Time Delay Setting |0.55 SEC |
| | | |Generator Breaker: |
| | | |MODE SW.1 = OFF; MODE SW.2 = OFF; COND SW.1 = OFF; |
| | | |COND SW.2 = OFF; COND SW.3 = ON; COND SW.4 = OFF; |
| | | |COND SW.5 = ON |
|Table 7-8 |
|Protection Relay Settings — Switchgear SS5 |
|SETTINGS FOR A SYNCHRONISM CHECK RELAY | |SETTINGS FOR UNDER AND OVER FREQUENCY RELAYS |
|Item |52-3 | |Item |52-3 |
|Circuit Description |Main Breaker | |Circuit Description |Main Breaker |
|Relay Function |25C | |Relay Function |81 |
|PT Ratio |480/120V | |Relay Type |BE1-810U |
|Relay Type |BE1-25 | |Relay Ranges: | |
|Phase Angle Range |1-99 DEG | |Frequency Range |40-70 HZ |
|Time Delay Range |1-99 SEC | |Time Delay Range |1-99 CYC |
|Phase Angle Setting |20 DEG | |Time Curve |Definite |
|Time Delay Setting |0.55 SEC | |Under Frequency |58.5 CYC |
| | | |Time Delay |99 CYC |
| | | |Over Frequency |61 CYC |
|MAIN BREAKER: | |Time Delay |15 CYC |
|MODE SW.1 = OFF; MODE SW.2 = OFF; COND SW.1 = OFF; | | | |
|COND SW.2 = OFF; COND SW.3 = OFF; COND SW.4 = ON; | | | |
|COND SW.5 = ON | | | |
|Table 7-8 |
|Protection Relay Settings — Switchgear SS5 |
|SETTINGS FOR UNDER AND OVER VOLTAGE RELAYS | |SETTINGS FOR UNDER AND OVER VOLTAGE RELAYS |
|Item |52-3 | |Item |52-3 |
|Circuit Description |Main Breaker | |Circuit Description |Main Breaker |
|Relay Function |59 | |Relay Function |27 |
|PT Ratio |480/120V | |PT Ratio |480/120V |
|Relay Type |BE1-29 | |Relay Type |BE1-27 |
|Relay Ranges: | | |Relay Ranges: | |
|Voltage Range |55-160V | |Voltage Range |55-160V |
|Time Delay Range |0-9.9 SEC | |Time Delay Range |0-9.9 SEC |
|Time Curve |Definite | |Time Curve |Definite |
|Under Voltage Setting |NA | |Under Voltage Setting |108 VOLTS |
|Time Delay Setting |NA | |Time Delay Setting |5 SEC |
|Overvoltage Setting |132V | |Overvoltage Setting |NA |
|Time Delay Setting |5 SEC | |Time Delay Setting |NA |
|NA = Not Applicable | |NA = Not Applicable |
WESTSIDE PUMP STATION (WSS)
E MAIN SWITCHBAORD ENCLOSURE, WR-203
277 / 480 VAC, 3 PH, 4 WIRE, 4000 Amp, Short Circuit Current Rating, 85,000 Amp, Drawing #ST84D1504, G.O. #EC-49082, Westinghouse POW-R-WAY Busway, 277 / 480 VAC, 3 PH, 4 WIRE, 4000 Amp, Style #82-E-1039-A1
A. Breakers
1. Main Breaker:
a. Westinghouse Type DS-840, 4000 Amp with Amptector I-A Model LSG
1. Breakers
a. Lift Pump #1, 2, 3, 4, 5, 6, 7 and MCC Section “A”:
1) Westinghouse Type DSL-206, 400 Amp with Amptector II-A Model DU
b. Transfer Switch:
1) Westinghouse Type DSL-206, 200 Amp with Amptector II-A Model DU
B. BUSWAY
1. Low Voltage Busway:
a. Service Bus Duct: Copper, ventilated, low impedance feeder type 3,000 ampere, 480 volt, 3 phase.
C. MISCELLANEOUS COMPONENTS
1. IQ Analyzer, Cutler-Hammer Catalog No. IQA6630
ZOO WET WEATHER STATION (ZWS)
G MOTOR CONTROL CENTER
Westinghouse MCC Type Freedom 2100 6 sections 480V, 3PH, 3W, 600A Bus Copper Main Horizontal Bus, 42,000 Bracing, Bottom Incoming, NEMA 2 (Drip Proof), 21” Front Mtd Enclosure, no neutral, main Breaker.
A. Breakers
1. Main Breakers:
a. Westinghouse Type HLD Low Voltage, 480V, 3 Phase, 3 Wire, breaker 600A trip.
2. Feeder Breakers:
a. Westinghouse Type HFD Breaker Low Voltage, 480V, 3 Phase, 3 Wire, Twin breaker 50A/50A trip.
b. Five Westinghouse Type HFD Breakers Low Voltage, 480V, 3 Phase, 3 Wire, 150A trip.
c. Westinghouse Type HFD Breaker Low Voltage, 480V, 3 Phase, 3 Wire, 100A trip.
3. Motor Starters:
a. Five Easy-Start 100 EJ068
B. MISCELLANEOUS COMPONENTS
1. Three Current Transformers, 100A.
2. IQ Data Plus II.
C. AUTOMATIC TRANSFER SWITCH
1. Kohler Power System Type S340 Solid-State Logic 480V, 3PH, 3W, 400A.
D. PANEL BOARD
1. Westinghouse 480V, 3 Phase, 3 Wire, 500A trip.
2. Westinghouse , 480V, 3 Phase, 3 Wire, 700A trip.
BIDDER’S QUALIFICATIONS STATEMENT
Bidder submits the following information as to experience and financial qualifications with its Bid. Failure to submit a completed Bidder’s Qualifications Statement form may cause Bidder to be non-responsive and its Bid may be rejected. No award will be made until a complete Bidder’s Qualifications Statement is provided to the City.
1. BIDDER/CONTRACTOR’S name and street address:
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If BIDDER is a joint venture, name and street address of each joint venture partner:
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Federal Identification Number:
San Francisco Business Tax Registration Certificate Number:
Name of responsible management officer:
2. BIDDER/CONTRACTOR’S telephone number: ( )
3. Name of person who inspected the site of the proposed Work for the BIDDER:
Name: Date of inspection:
4. Number of years Bidder’s organization has had experience in work comparable with that
required under the proposed Contract, as a general contractor: ___years; as a subcontractor: _____ years.
5. Contractor’s License Number, State of CA , Class , expiration date .
6. Contractor’s InterNational Electrical Testing Association (NETA) Full Membership Number __, expiration date .
7. Recent work similar in character to that required in the proposed contract, which Bidder has completed in the past 10 years:
Class and Location of Work and For Whom Performed
|a. |Project Description: | |
| |Location: | |
| |Start Date: | |Planned Completion Date: | |Actual Completion Date: | |
| |Contract Amount: | |Change Order Amount | |
| |General Contractor | |Subcontractor | |
| |If General Contractor, list names of major subcontractors employed: | |
| |Client Rep: Name/Title: | |
| |Address: | |Telephone: | |
|b. |Project Description: | |
| |Location: | |
| |Start Date: | |Planned Completion Date: | |Actual Completion Date: | |
| |Contract Amount: | |Change Order Amount | |
| |General Contractor | |Subcontractor | |
| |If General Contractor, list names of major subcontractors employed: | |
| |Client Rep: Name/Title: | |
| |Address: | |Telephone: | |
|c. |Project Description: | |
| |Location: | |
| |Start Date: | |Planned Completion Date: | |Actual Completion Date: | |
| |Contract Amount: | |Change Order Amount | |
| |General Contractor | |Subcontractor | |
| |If General Contractor, list names of major subcontractors employed: | |
| |Client Rep: Name/Title: | |
| |Address: | |Telephone: | |
|d |Project Description: | |
| |Location: | |
| |Start Date: | |Planned Completion Date: | |Actual Completion Date: | |
| |Contract Amount: | |Change Order Amount | |
| |General Contractor | |Subcontractor | |
| |If General Contractor, list names of major subcontractors employed: | |
| |Client Rep: Name/Title: | |
| |Address: | |Telephone: | |
e. List all contracts during the past 10 years for which the Bidder, or a member of the Bidder's organization, received an unsatisfactory performance rating, was cited for OSHA violations or failed to complete work. Explain. Show for whom performed.
| | |
| | |
| | |
| | |
(Add sheets if required to complete record)
7. List major construction equipment, facilities or aids that Bidder represents it possesses or can obtain in time to perform the Work; indicating whether owned or rented and where obtained:
Equipment Owned, Leased or Rented Rental Agent (Name and Telephone)
8. Bidder refers to the following bank(s) as to financial responsibility of Bidder:
Name of Bank Address Contact (Name and Telephone)
9. Insurance and Surety Companies and Agents who will provide the required Insurance and Bonds on this Contract:
|Name of Company |Address of Place of Business |Agent's Name and Telephone |Type of Insurance or Bond |
| | | | |
| | | | |
| | | | |
10. Provide for each Subcontractor listed on Document 00435: (a) California contractor’s license in accordance with section 7030.5 of the California Business and Professions Code, and (b) San Francisco business tax registration certificate number in accordance with San Francisco Ordinance 345-88.
|Subcontractor Name |California Contractor License |San Francisco Business Tax Registration |
| |Number |Certificate No. |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
| | | |
BIDDER understands and agrees that, if awarded the Contract, Contractor and each of Contractor’s Subcontractors must maintain a current business tax registration number. If the Tax Collector determines that Contractor or any of Contractor’s Subcontractors do not have or maintain current business tax registration numbers, the City may either cancel the Contract or withhold any payments due under the Contract. Refer to Document 00822.
END OF DOCUMENT
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