Sustainability Design and Energy Reduction Manual - The Whole ...

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April 2010 reductions are not life-cycle cost effective, analysis should be undertaken at decreasing increments of 5 percent down to the achievable range. VA directs that 40 years shall be the time period for the purpose of conducting lifecycle cost calculations, as required by EISA. Renewable Energy: VA wishes to use onsite renewable energy wherever technically feasible and lifecycle cost effective. A preliminary technical feasibility review/study shall conducted for the following strategies and for others (geographically specific or unlisted here) in early conceptual/schematic design to determine those appropriate for the project: Solar electric Solar hot water Solar heating, cooling, and lighting Hybrid solar systems Wind Geothermal Ground source heat pump Co-generation Biomass Energy Reduction Design Features: Project teams shall design energy efficient roofing and envelope systems, such as high solar reflectance roofs, enhanced insulation and air barriers, and consider the use of vegatative roof systems as appropriate. Energy Modeling: Energy modeling is required from the beginning of early concept design on all buildings 5,000 GSF and over to evaluate which design alternative provides the best energy performance and to refine the selected design solution during the project delivery process. The complexity of the energy model should be in keeping with the design stage, progressing from simple 10 during schematic design to a complete analysis in DOE2 or similar approved tool for the final design development design. The energy modeling can be provided by specialty consultants or within the scope of the MEP consultant. The energy models and calculations for each of the proposed concepts shall be submitted to VA for review as a part of determining the best solution. The use of analytical computer software tools to evaluate preliminary energy performance is essential and MANDATORY in determining from the beginning of the design which concept solutions hold the most promise for energy reduction. Updated energy modeling is a required submittal at each phase of the project. Using ASHRAE/IESNA Standard 90.1 – 2007, including Appendix G and including plug and process loads, create the baseline building performance, determine the appropriate mandated reduction and track the building design progress against the baseline of BTUs/GSF/YR and percentage reduction. Provide backup calculations and information on proposed energy reduction strategies/options (if requested) modeled for each of the conceptual design alternatives, and for alternative energy strategies pursued during design development. VA Metering Requirements: Building level advanced electrical, natural gas, chilled water, hot water, steam, as well as potable and reclaimed water meters shall be installed for buildings 10 For BIM projects, the use of energy analysis software that interfaces with the BIM model will be acceptable for early concept energy modeling. SUSTAINABILITY & ENERGY REDUCTION MANUAL Page |1- 11
April 2010 above 5,000 GSF and energy intensive buildings (such as laundry buildings and data centers). Advanced sub-meters should also be installed for the make-up water to cooling towers and boilers. Further information regarding specific meter requirements are in VA specifications. DELIVERABLES IN ADDITION TO PG 18-15 2.1 Project Energy Models Provide energy engineering calculations (as requested) to support energy targets and current analysis of best solutions. Provide calculations as per instructions above if energy targets cannot be met. 2.2 Define Distributed Generation Systems and Renewable Energy Goals Outline project strategies to incorporate distrubuted generation systems, if feasible. Project teams shall perform a feasibility study of on-site renewable energy options and provide a preliminary technical and lifecycle cost-effective analysis before design begins to identify appropriateness for the project. During design, report progress as the technical information matures. 2.3 Report on Use of Energy Star Products Include Energy Star rating as a part of the purchase evaluation criteria in the construction specifications for the selection of building equipment. After purchase, identify which Energy Star or FEMP designated efficient products were obtained. 2.4 Plans for Solar Hot Water Use Provide explanation and technical backup information as to how the project will meet this goal. Report on progress during project delivery. 2.5 Metering Provide information regarding each required meter to meet this goal. SUSTAINABILITY & ENERGY REDUCTION MANUAL Page |1- 12
Page 1 and 2: April 2010 SUSTAINABLE DESIGN & ENE
Page 3 and 4: April 2010 REQUIRED LEED CREDITS...
Page 5 and 6: April 2010 THIRD PARTY RATING SYSTE
Page 7 and 8: April 2010 GUIDANCE COMMISSIONING T
Page 9 and 10: April 2010 Team Members Engaged in
Page 11 and 12: April 2010 Financial Assessment/Inc
Page 13: April 2010 improvements in renewabl
Page 17 and 18: April 2010 GUIDANCE Medical Care Bu
Page 19 and 20: April 2010 GUIDANCE Daylighting: VA
Page 21 and 22: April 2010 GUIDANCE Ozone Depleting
Page 23 and 24: April 2010 Example of REQUIRED GREE
Page 25 and 26: April 2010 BUILDING MASSING Massing
Page 27 and 28: April 2010 Energy Efficency Strateg
Page 29 and 30: April 2010 the windows. For long te
Page 31 and 32: April 2010 HIGH EFFICIENCY CHILLER
Page 33 and 34: April 2010 RENEWABLE ENERGY SOURCES
Page 35 and 36: April 2010 to 25 years), and that s

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