SCIENCE PARK HIGH SCHOOL 260 Norfolk St, Newark, NJ …
[Pages:5]THE NEWARK PUBLIC SCHOOLS Group 3 Buildings
SCIENCE PARK HIGH SCHOOL 260 Norfolk St, Newark, NJ 07103
LOCAL GOVERNMENT ENERGY AUDIT PROGRAM FOR
NEW JERSEY BOARD OF PUBLIC UTILITIES
April 2014
Prepared by:
6 Campus Drive Parsippany, NJ 07054
(973) 538-2120 CHA PROJECT NO. 27999
_____________________________________________________________________________ New Jersey BPU LGEA ? Science Park High School
TABLE OF CONTENTS
1.0 EXECUTIVE SUMMARY .................................................................................................... 1 2.0 BUILDING INFORMATION AND EXISTING CONDITIONS ................................................ 4 3.0 UTILITIES ........................................................................................................................... 8 4.0 BENCHMARKING..............................................................................................................13 5.0 ENERGY CONSERVATION MEASURES..........................................................................14
5.1
ECM-1 Retro-Commission Existing DDC Controls ....................................................................... 15
5.2
ECM-2 Install Pool Cover............................................................................................................. 16
5.3
ECM-3 Domestic Hot Water System Improvements................................................................... 16
5.4
ECM-4 Install Walk-in Cooler / Freezer Controls ........................................................................ 17
5.5
ECM-5 Booster Heater Conversion ............................................................................................. 17
5.6
ECM-6 Install Vending Misers ..................................................................................................... 18
5.7.1 ECM-L1 Lighting Replacement / Upgrades ................................................................................. 18
5.7.2 ECM-L2 Install Lighting Controls (Occupancy Sensors) .............................................................. 19
5.7.3 ECM-L3 Lighting Replacements with Controls (Occupancy Sensors) ......................................... 20
5.8
Additional O&M Opportunities................................................................................................... 20
6.0 PROJECT INCENTIVES....................................................................................................21
6.1
Incentives Overview.................................................................................................................... 21
6.1.1 New Jersey Smart Start Program................................................................................................ 21
6.1.2 Direct Install Program ................................................................................................................. 21
6.1.3 New Jersey Pay For Performance Program (P4P)....................................................................... 22
6.1.4 Energy Savings Improvement Plan ............................................................................................. 23
6.1.5 Renewable Energy Incentive Program........................................................................................ 24 7.0 ALTERNATIVE ENERGY SCREENING EVALUATION .....................................................25
7.1
Solar ............................................................................................................................................ 25
7.1.1 Photovoltaic Rooftop Solar Power Generation .......................................................................... 25
7.1.2 Solar Thermal Hot Water Generation......................................................................................... 26
7.2
Wind Powered Turbines ............................................................................................................. 27
7.3
Combined Heat and Power Plant................................................................................................ 28
7.4
Demand Response Curtailment .................................................................................................. 28
_____________________________________________________________________________ New Jersey BPU LGEA ? Science Park High School i
8.0 CONCLUSIONS & RECOMMENDATIONS........................................................................30
APPENDICES
A
Utility Usage Analysis and List of Third Party Energy Suppliers
B Equipment Inventory
C ECM Calculations and Cost Estimates
D New Jersey BPU Incentive Programs
i. Smart Start
ii. Direct Install
iii. Pay For Performance Incentive Program (P4P)
iv. Energy Savings Improvement Plan (ESIP)
E Photovoltaic (PV) Solar Power Generation Analysis
F
Photos
G EPA Portfolio Manager
_____________________________________________________________________________ New Jersey BPU LGEA ? Science Park High School ii
REPORT DISCLAIMER This audit was conducted in accordance with the standards developed by the American Society of Heating, Refrigerating, and Air-Conditioning Engineers (ASHRAE) for a Level II audit. Cost and savings calculations for a given measure were estimated to within ?20%, and are based on data obtained from the owner, data obtained during site observations, professional experience, historical data, and standard engineering practice. Cost data does not include soft costs such as engineering fees, legal fees, project management fees, financing, etc. A thorough walkthrough of the building was performed, which included gathering nameplate information and operating parameters for all accessible equipment and lighting systems. Unless otherwise stated, model, efficiency, and capacity information included in this report were collected directly from equipment nameplates and /or from documentation provided by the owner during the site visit. Typical operation and scheduling information was obtained from interviewing staff and spot measurements taken in the field.
_____________________________________________________________________________ New Jersey BPU LGEA ? Science Park High School iii
List of Common Energy Audit Abbreviations
? A/C ? Air Conditioning ? AHS ? Air Handling Unit ? BMS ? Building Management System ? Btu ? British thermal unit ? CDW ? Condenser Water ? CFM ? Cubic feet per minute ? CHW ? Chilled Water ? DCV ? Demand Control Ventilation ? DDC ? Direct Digital Control ? DHW ? Domestic Hot Water ? DX ? Direct Expansion ? EER ? Energy Efficiency Ratio ? EF ? Exhaust Fan ? EUI ? Energy Use Intensity ? Gal ? Gallon ? GPD ? Gallons per day ? GPF ? Gallons Per Flush ? GPH ? Gallons per hour ? GPM ? Gallons per minute ? GPS ? Gallons per second ? HHW ? Heating Hot Water ? HID ? High Intensity Discharge ? HP ? Horsepower ? HRU ? Heat Recovery Unit ? HVAC ? Heating, Ventilation, Air Conditioning ? HX ? Heat Exchanger ? kbtu/mbtu ? One thousand (1,000) Btu ? kW ? Kilowatt (1,000 watts) ? kWh ? Kilowatt-hours ? LED ? Light Emitting Diode ? mbh ? Thousand Btu per hour ? mmbtu ? One million (1,000,000) Btu ? OCC ? Occupancy Sensor ? PSI ? Pounds per square inch ? RTU ? Rooftop Unit ? SBC ? System Benefits Charge ? SF ? Square foot ? UH ? Unit Heater ? V ? Volts ? VAV ? Variable Air Volume ? VSD ? Variable Speed Drive ? W ? Watt
_____________________________________________________________________________ New Jersey BPU LGEA ? Science Park High School iv
1.0 EXECUTIVE SUMMARY
This report summarizes the energy audit performed by CHA for Newark Public Schools (NPS), in connection with the New Jersey Board of Public Utilities (NJBPU) Local Government Energy Audit (LGEA) Program. The purpose of this report is to identify energy savings opportunities associated with major energy consumers and inefficient practices. Low-cost and no-cost are also identified during the study. This report details the results of the energy audit conducted for the building listed below:
Building Name
Science Park High School
Address
260 Norfolk St, Newark, NJ 07103
Square Feet
275,743
Construction Date
2006
The annual energy and cost savings for the recommended energy conservation measures (ECM) identified in the survey are shown below:
Building Name Science Park High School
Electric Savings
(kWh)
481,508
NG Savings (therms)
26,321
Total Savings
($)
93,107
Payback (years)
7.9
Each individual measure's annual savings are dependent on that measure alone, there are no interactive effects calculated. There are three options shown for Lighting ECM savings; only one option can be chosen. Incentives shown (if any) are based only on the SmartStart Incentive Program. Other NJBPU or local utility incentives may also be available/ applicable and are discussed in Section 6.0.
Each measure recommended by CHA typically has a stand-alone simple payback period of 15 years or less. However, if the owner choses to pursue an Energy Savings Improvement Plan (ESIP), high payback measures could be bundled with lower payback measures which ultimately can result in a payback which is favorable for an ESIP project to proceed. Occasionally, we will recommend an ECM that has a longer payback period, based on the need to replace that piece(s) of equipment due to its age, such as a boiler for example.
New Jersey BPU LGEA Newark Public Schools ? Science Park High School
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The following table provides a detailed summary of each ECM for the building surveyed, including costs, savings, SmartStart incentives and payback.
Summary of Energy Conservation Measures
ECM # Recommended
Energy Conservation Measure
Est. Costs
($)
Est. Payback Potential Payback
Savings w/o Incentive
w/
($/year) Incentive ($)* Incentive
1
Controls Upgrade/RetroCommissioning
95,576 27,293
3.5
0
2
Install Pool Cover
112,704 19,041
5.9
0
3
Domestic Hot Water System Improvements
74,217
1,223
60.7
4
Walk-In Cooler/Freezer Controls
20,625 1,906
10.8
3,150 0
5 Booster Heater Conversion 16,000 3,209
5.0
2,210
6
Install Vending Machine Controls
1,961
2,241
0.9
L1**
Lighting Replacements / Upgrades
407,770 37,800
10.8
L2**
Install Lighting Controls (Occupancy Sensors)
7,020
904
7.8
L3
Lighting Replacements with Controls
414,790
38,194
10.9
Total** 735,873 93,107
7.9
0 5,000 910 5,910 11,270
Total (Recommended) 735,873 93,107
7.9
11,270
* Incentive shown is per the New Jersey SmartStart Program. ** These ECMs are not included in the Total, as they are alternate measures not recommended.
3.5
Y
5.9
Y
58.1
Y
10.8
Y
4.3
Y
0.9
Y
10.7 N
6.8
N
10.7
Y
7.8 7.8
Note: The `Total' and `Total (Recommended)' rows in the table above have the same values because there are no alternate ECMs provided in this report. Alternate ECMs are normally listed with `A' and `B' options; in other reports for NPS.
The following alternative energy measures are also recommended for further study:
? Photovoltaic (PV) Rooftop Solar Power Generation ? 60 kW System
New Jersey BPU LGEA Newark Public Schools ? Science Park High School
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If NPS implements the recommended ECMs, energy savings would be as follows:
Costs ($) Electricity (kWh) Natural Gas (therms) Fuel Oil (Gal)
Site EUI (kbtu/SF/Yr)
Existing Conditions
564,808 3,493,842
79,010 417
72.1
Post Recommended
ECMs 471,701 3,012,334 52,689
417
56.6
Percent Savings
16% 14% 33% 0%
4,000,000 3,500,000 3,000,000 2,500,000 2,000,000 1,500,000 1,000,000
500,000 0
Existing Conditions Post Recommneded ECMs
Costs ($) Electricity (kWh) Natural Gas (therms) Fuel Oil (Gal)
New Jersey BPU LGEA Newark Public Schools ? Science Park High School
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