15075 - Mechanical Identification
|Section Cover Page |
| Section 15075 |
|2001-12-04 Mechanical Identification |
Use this Section to specify mechanical identification requirements.
Under Alberta Construction Tendering System (ACTS), Trade Definitions, identification and labelling including secondary colour coding (banding) of pipes and ducts, is the responsibility of the mechanical subcontractor. The painting subcontractor is responsible for primary onsite painting of pipes, ducts, and equipment, excluding labels and secondary banding. The mechanical subcontractor must coordinate with the painting subcontractor to ensure correct colour coding. Identification requirements are specified accordingly in this Section and in Section 09906 - Painting of Mechanical and Electrical Work.
This Master Specification Section contains:
.1 This Cover Sheet
.2 Data Sheet - Reference Standards
.3 Specification Section Text:
1. General
1.1 Related Sections
1.2 Reference Document
2. Products
2.1 Tags, Labels and Banding
2.2 Valve Tag Directory
2.3 EMCS Directories
3. Execution
3.1 Labels
3.2 EMCS Identification
3.3 Tags
3.4 Location Identification
3.5 Directories
3.6 Secondary Colour Banding for Mechanical Piping
Reference Publications
.1 Colour Coding Requirements for Mechanical and Electrical Systems (Alberta Public Works, Supply and Services)
.2 EMCS Standard for Logical Point Mnemonics
These reference documents may be available for reference purposes in the Technical Resources and Standards Branch Library, Alberta Infrastructure, 3rd Floor, 6950 - 113 Street, Edmonton; Telephone: (780) 427-7924.
Other facility start-up related forms are available from the Commissioning Section of the Mechanical Section, Alberta Infrastructure, 3rd Floor, 6950 - 113 Street, Edmonton, Alberta, Telephone: (780) 422-7436.
END OF DATA SHEET
1. General
1.1 RELATED SECTIONS
.1 SITE PAINTING OF MECHANICAL WORK: SECTION 09906.
1.2 REFERENCE DOCUMENT
.1 Comply with requirements of latest edition of "Colour Coding Requirements for Mechanical and Electrical Systems" (Alberta Public Works, Supply and Services), hereinafter referred to as APWSS Colour Coding Requirements.
.2 Obtain copy of APWSS Colour Coding Requirements document from the Minister prior to starting work.
2. Products
2.1 TAGS, LABELS AND BANDING
.1 Valve Tags: tags with 12 mm high lettering and brass jack chain for fastening to valve. Following types of valve tags are acceptable:
.1 Brass tags: 40 mm diameter.
.2 Fiberglass tags: 50 mm x 50 mm.
.3 Anodized aluminum tags: 40 mm diameter.
.2 EMCS Identification Tags: 0.75 mm thick plastic laminated luggage style tags containing imprinted information label. Supply tag with brass jack chain or nylon cable tie for attachment to device. Include following minimum information:
.1 Logical Point Name.
.2 Point Hardware Address (RCU/TCU and connection terminal identifiers)
.3 Associated System Identification.
.4 Point Description.
.3 Laminated Plastic Nameplate: self-adhesive composite laminated plastic nameplates with one smooth white surface and core of black plastic. Designed to leave black lettering on a white background when engraved.
.1 Mechanical Equipment: engraved lettering 20 mm high.
.2 EMCS Panels and Panel Mounted Equipment: engraved lettering 20 mm high.
.3 EMCS Equipment Cabinet front mounted switches and displays: engraved lettering 8 mm high.
.4 Colour Banding Tape: adhesive backed plastic tape, integrally coloured.
.5 Identification Labels: adhesive backed plasticized labels, yellow colour, with:
.1 Legends consisting of black lettering, minimum 50 mm high.
.2 Black direction of flow arrows.
.6 Stencils: 50 mm high black lettering and flow arrows.
2.2 VALVE TAG DIRECTORY
.1 PROVIDE A TYPEWRITTEN VALVE TAG DIRECTORY.
.2 Mount directory in a metal frame and protect with acrylic sheet.
.3 Include following information in directory:
.1 Valve number
.2 Location
.3 Service
.4 Make/model size
.5 With/without handwheel
.6 Type of control
2.3 EMCS DIRECTORIES
.1 EMCS LAMINATED DIRECTORIES: LAMINATED, PERMANENTLY MOUNTED SHEETS:
.1 EMCS Equipment Panel Directory: graphically show locations of each transducer, relay or other piece of equipment in panel. Label each device and provide a cross-reference listing between device label and function.
.2 EMCS Wiring Panel Directory: in each panel where control wiring terminates, provide a cross-reference listing between key name, descriptors, hardware address and wiring labels.
3. Execution
3.1 LABELS
.1 USE IDENTIFICATION LABELS OR STENCILS TO APPLY LEGENDS AND DIRECTION OF FLOW ARROWS, AS DETAILED IN APWSS COLOUR CODING REQUIREMENTS, AND AS FOLLOWS:
.1 Apply to full colour coded mechanical piping and to mechanical ductwork in sufficient numbers of locations to provide easy identification.
.2 Apply to intermittent colour coded mechanical piping wherever colour coding bands occur.
.2 Adhere labels with sufficient coat of contact cement to ensure permanent adhesion. Seal with two coats of clear lacquer.
.3 Identify major mechanical equipment with laminated plastic nameplates.
.4 Identify electric starting switches, electric disconnects and remote push buttons with laminated plastic nameplates.
3.2 EMCS IDENTIFICATION
.1 USE EMCS MNEMONICS SPECIFIED IN SECTION 15941 ON TAGS AND NAMEPLATES TO IDENTIFY EMCS PHYSICAL POINTS AND EQUIPMENT.
.2 Identify the following EMCS output controls and input sensor devices with EMCS Identification Tags:
.1 Field points.
.2 Sensors.
.3 Actuators.
.4 Devices.
.3 Identify the following EMCS components with Laminated Plastic Nameplates:
.1 RCU Panels.
.2 TCU Subpanels.
.3 Associated equipment panels.
.4 Panel mounted valves; identify function of each valve.
.5 Pneumatic switch valves.
3.3 TAGS
.1 TAG AUTOMATIC CONTROLS, INSTRUMENTS AND RELAYS. KEY TO CONTROL SCHEMATICS ON WHICH INSTRUMENTS ARE NUMBERED IN SEQUENCE.
.2 Tag all valves in mechanical rooms, and all circuit balancing and isolating valves external to mechanical room except valves at terminal heating and cooling equipment.
.3 Identify and tag air terminal boxes and radiator valves with numbers or EMCS mnemonic, as applicable.
.4 Identify and tag thermostats relating to terminal boxes and valve numbers.
.5 Identify and tag EMCS temperature sensors or EMCS intelligent thermostats by mnemonic and related terminal box and valve numbers.
3.4 LOCATION IDENTIFICATION
.1 PROVIDE EQUIPMENT, VALVE AND DAMPER LOCATION TACKS OR ADHESIVE DISKS IN T-BAR TYPE CEILINGS, COLOUR CODED AS FOLLOWS:
.1 Yellow - HVAC Equipment
.2 Red - Fire Dampers/Smoke Dampers
.3 Green - Plumbing Valves
.4 Blue - Heating/Cooling Valves.
.2 Locate tacks or disks in corner of T-bar panel closest to equipment.
3.5 DIRECTORIES
.1 INSTALL VALVE TAG DIRECTORY ON WALL IN [MECHANICAL ROOM] [BUILDING OPERATOR'S OFFICE].
.2 Permanently mount EMCS Laminated Directories on door inside surface in the following panels:
.1 EMCS Equipment Panels.
.2 EMCS RCU Panels.
.3 Other EMCS Wiring Panels.
3.6 SECONDARY COLOUR BANDING FOR MECHANICAL PIPING
.1 FULL COLOUR CODED PIPING: APPLY 50 MM WIDE SECONDARY COLOUR BANDING TAPE OVER PRIMARY COLOUR CODED PIPING IDENTIFYING HAZARD LEVEL FOR EACH TYPE OF SERVICE, WHERE APPLICABLE, IN ACCORDANCE WITH APWSS COLOUR CODING REQUIREMENTS. APPLY TO PIPING IN SUFFICIENT NUMBERS OF LOCATIONS TO PROVIDE EASY IDENTIFICATION.
.2 Intermittent Colour Coded Piping: apply 50 mm wide secondary colour banding tape on intermittent colour coded piping to identify hazard level for each service, where applicable. Apply over 450 mm long primary colour coding bands, as detailed in APWSS Colour Coding Requirements.
END OF SECTION
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