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Franklin County Technical School Performance Contract Project. Performance Contracting Overview. innovative method to purchase energy efficiency improvements in buildings (MGL Ch 25A Sec 11i) single procurement is used to purchase a complete package of services
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Franklin County Technical School Performance Contract Project
Performance Contracting Overview • innovative method to purchase energy efficiency improvements in buildings (MGL Ch 25A Sec 11i) • single procurement is used to purchase a complete package of services • financing of the entire project so there are no “up front” costs
Projects are paid for from utility savings, utility rebates, savings in cost of maintenance for existing “tired” mechanical systems • Savings are guaranteed by ESCO (Energy Service Company)
Benefits of Performance Contracting • Project completion with little or no “immediate” funding • Streamlines the procurement process • Provides continuity • Projects are “commissioned” • Long-term partnership with Energy Service Company (ESCO) • High quality equipment compared to low bid process
Municipality ESCo Develop Design Construct Maintain Finance The ESCo is the single source provider
100% 80% Savings Investment Utilities 60% B u d g e t 40% 20% 0% Performance Contract 101 How it works: Before Contract During Contract After Contract
Built in 1975 • 151,000 Square Feet • Single Story, Brick Faced • 525 Students • 100 Staff
Old, original rooftop units • Original, inefficient boilers • Obsolete Building Controls
Measures Considered • Lighting system improvements • Energy efficient motors and pump • Steam trap repairs and replacement • Water and waste water conservation • Variable frequency drives • HVAC equipment upgrades • New or upgraded appliances • Vending machines, plug loads • Energy Management Systems and Building Automation Systems • Cogeneration • Micro-turbines • Renewable Energy Options; PV, Wind, Fuel cell, Geo-thermo • Window replacements • Solar thermal for swimming pools, hot water • Central Plant upgrades, boilers, water treatment • Fuel switching options • Electrical systems upgrades and Preventive Maintenance
The Measures Used this opportunity to clean all ductwork in the building.
New Lighting Technology • Replace existing T-8 florescent fixtures to New T-5 Indirect fixtures • Replace Incandescent fixtures in Lobby area New T-5 Indirect fixtures • Upgrade Metal Halide fixtures in shop area with T-5 fixtures • Install occupancy sensors in classrooms, offices, shops and gym
Old Lighting Technology New Lighting Technology
New Hybrid Boiler Plant • Installation of a Hybrid Boiler Plant consisting of – • (2) condensing boilers and • (2) non-condensing boilers • Installation of – • (2) high-efficiency pumps with VFD’s • (1) primary and • (1) back-up pump VFD = Variable Frequency Drives
Existing Boiler Plant New Hybrid Boiler Plant
New Domestic Hot Water Tanks • Replace the existing 2,550 gallon storage tank with – • (4) 119 gallon indirect fired storage tanks tied into • the new hybrid boiler plant
Old Domestic Hot Water Tank New Domestic Hot Water Tanks
New Rooftop Units • Demo the existing Jackson & Church RTU’s with DX Cooling and Hot • Water Coils • Replace with new Seasons4 RTU’s offering high-efficiency components • Write program to maximize efficiency and comfort
Old Rooftop Units New Rooftop Units