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Created on LEED Interpretation

ID#

li-2117

Credit NameEAc5 - Measurement and verification
Credit CategoryEnergy & atmosphere
International ApplicableNo

Rating System

LEED BD+C: New Construction, LEED BD+C: New Construction, LEED BD+C: Schools, LEED BD+C: Schools, LEED BD+C: Core and Shell

Rating System Version

v2 - LEED 2.2, v3 - LEED 2009, v2 - Schools 2007, v3 - LEED 2009, v3 - LEED 2009

Inquiry

Our project is a multiple buildings project on a historic site in California. This proposal requests approval of the following Measurement and Verification (M&V) approach for this project to satisfy LEED-NCv2.2 AGMBC EA credit 5. The project scope covers 34 buildings in total with a mix of new construction and renovation. Features of the building systems include, but are not limited to, the following: New Lodging (13 buildings):  in-floor radiant heating  toilet exhaust fans  boiler, pumps, expansion tanks  HVAC controls  gas fireplace inserts  domestic water systems  lighting controls  split-system air-cooled DX heat pumps (in 2 of the buildings only) New Healing Arts Center (HAC) building:  in-floor radiant heating & cooling  toilet exhaust fans  boiler, pumps, expansion tanks  chiller  heat recovery ventilator  fan coils  relief air system  radiant ceiling panels  hydronic panel radiators  HVAC controls  domestic water systems  lighting controls  fire/smoke dampers  Historic Buildings 547, 549, 546:  gas-fired duct furnace  exhaust fans  domestic water systems  lighting controls  HVAC controls Historic residential buildings (15 buildings):  boiler, pumps, expansion tanks  radiators, hydronic & gas-radiant  exhaust fans  radiant ceiling panels  domestic water systems  lighting controls  HVAC controls Historic common buildings (5 buildings):  boiler, pumps, expansion tanks  boiler power ventilators  radiators  exhaust fans  make-up air units  split-system air-cooled DX heat pumps  relief air system  fire/smoke dampers  unit heaters  HVAC control The project team, in working with the owner, has identified that the best approach to perform M&V on this project will be to use Option B. However instead of developing an M&V plan per building as prescribed by the IPMVP Volume 3, the project team intends to develop a single M&V plan based on system type. This reduces the number of M&V plans generated to drop from 34 (at one per building) to 6 (one per system type and one variation) as identified below - 1. In-floor radiant heating systems 2. In-floor radiant heating systems with DX cooling 3. In floor radiant heating and cooling systems with heat recovery ventilators 4. Gas-fired duct furnaces 5. Radiators and gas radiant heating system 6. Hydronic radiators combined with air-cooled DX heat pumps The following items will be included as standard elements to all M&V plans - 1. All auxiliary energy consuming equipment attached to any system as applicable 2. HVAC control points and controls applicable to each system In addition to the above mentioned inclusions, the team will also generate a separate system level plan to address - 1. All lighting system and lighting controls 2. Water consumption - split by domestic and heating water 3. Gas consumption for fire place inserts. As a general guideline all M&V plans will cover all aspects of the sections 3.2 and 4.3 of the IPMVP Volume III (2003). Given the unique nature of this project (historical, 34 buildings) the owner requests the USGBC\'s permission to use this alternative compliance path. The proposed approach is the most effective (cost and performance) means to capture data that supports systems evaluation and building operation decisions.

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