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1、 we Credit 1: water Use reduction611 pointsintentTo further increase water efficiency within the tenant space to reduce the burden on municipal water supply and wastewater systems.requirementsEmploy strategies that in aggregate use less water than the water use baseline calculated for the tenant spa
2、ce (not including irrigation. The minimum water savings percentage for each point threshold is as follows: Calculate the baseline according to the commercial and/or residential baselines outlined below.1 Calculations are based on estimated occupant usage and must include only the following fixtures
3、and fixture fittings necessary to meet the needs of the occupants including fixtures and fixture fittings that may be outside the tenant space: water closets, urinals, lavatory faucets, showers, kitchen sink faucets and pre-rinse spray valves. 1 Tables adapted from information developed and summariz
4、ed by the U.S. Environmental Protection Agency (EPA Office of Water based on requirements of the Energy Policy Act (EPAct of 1992 and subsequent rulings by the Department of Energy, requirements of the EPAct of 2005, and the plumbing code requirements as stated in the 2006 editions of the Uniform Pl
5、umbing Code or International Plumbing Code pertaining to fixture performance.The following fixtures, fittings and appliances are outside the scope of the water use reduction calculation: n Commercial Steam Cookersn Commercial Dishwashersn Automatic Commercial Ice Makersn Commercial (family-sized Clo
6、thes Washersn Residential Clothes Washersn Standard and Compact Residential Dishwasherspotential technologies & StrategiesUse WaterSense-certified fixtures and fixture fittings where available. Use high-efficiency fixtures (e.g., water closets and urinals and dry fixtures, such as toilets attach
7、ed to composting systems, to reduce the potable water demand. Consider using alternative on-site sources of water (e.g., rainwater, stormwater, and air conditioner condensate, graywater for nonpotable applications (e.g., toilet and urinal flushing, custodial uses. The quality of any alternative sour
8、ce of water being used must be taken into consideration based on its application or use. ea prerequisite 1: fundamental Commissioning of Building energy Systems requiredintentTo verify that the projects energy-related systems are installed and calibrated to performing according to the owners project
9、 requirements, basis of design and construction documents.Benefits of commissioning include reduced energy use, lower operating costs, fewer contractor callbacks, better building documentation, improved occupant productivity, and verification that the systems perform in accordance with the owners pr
10、oject requirements.requirementsThe following commissioning process activities must be completed by the project team:n Designate an individual as the commissioning authority (CxA to lead, review and oversee the completion of the commissioning process activities. The CxA must have documented commissio
11、ning authority experience in at least 2 building projects. The individual serving as the CxA must be independent of the projects design and constructionmanagement, though the CxA may be an employee of any firms providing those services. The CxA may be a qualified employee or consultant of the owner.
12、 The CxA must report results, findings and recommendations directly to the owner. For projects smaller than 50,000 gross square feet, the CxA may be a qualified person on the design orconstruction teams who has the required experience.n The owner must document the owners project requirements. The design team must develop the basis of design. The CxA must review these documents for clarit
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