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Ccr sustainable building technologies draft 7.3.10
Ccr sustainable building technologies draft 7.3.10
Ccr sustainable building technologies draft 7.3.10
Ccr sustainable building technologies draft 7.3.10
Ccr sustainable building technologies draft 7.3.10
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Ccr sustainable building technologies draft 7.3.10

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  • 1. Energy Efficiency and Conservation Technology Strategies Center for Community Renewal (CCR) Draft 5.26.10 – Ever-Renewing Buildings Living Laboratory –  CRI’s Institute for Community Renewal and Training Center  Regional Innovation Cluster for Renewing Communities  Sustainable Communities Laboratory: Research to Deployment (R to D) Center for Community Renewal Shreveport, Louisiana Going Brown to Green 1.2.10 MHSM Architects CRI energy efficiency and conservation targets for the CCR are defined by the following:  Define standards for an ”Ever-Renewing Building”;  Reduce CCR energy consumption by 70% over a baseline building design;  Produce more energy than the CCR consumes annually surpassing net zero energy;  Optimize energy performance operations and continually commission the building for sustained long term comfort and energy efficiency;  Demonstrate smart grid and distributed power production on the building side of the utility grid; Center for Community renewal energy Efficiency & Conservation Strategies 1 7.3.10
  • 2.  Develop a hybrid alternative clean energy system specific to the Shreveport regional climate;  Achieve zero waste operation of the CCR;  Monitor and improve occupant role in energy efficiency operations;  A training and R to D Laboratory for socially, environmentally, economically and culturally sustainable communities – a quad bottom line. The following is a list of energy efficiency and conservation technologies that will be part of the research, development, demonstration and deployment collaboration that will define the Center for Community Renewal as the model for an Ever-Renewing Building Laboratory (technologies and industry partners are grouped by LEED categories):  Sustainable Site Strategies and Technologies: o Site Selection  Reuse existing building and infill new construction on previously developed site;  Located in Shreveport’s Historic Central Business District;  Brownfield Site remediated and appropriate materials recycled;  Development Density 385,000 square feet per acre, more than double the average density within 2 block radius; o Alternative Transportation  Access to 17 bus routes within a ¼ mile walking distance;  CCR comprehensive transportation management plan to quantify reduction in vehicle use;  Bicycle racks / storage, lockers, showers and repair / rental shop to serve CCR and the surrounding central business district;  Preferred parking for low emitting & fuel-efficient vehicles;  Solar PV recharging parking for electric vehicles;  Reduced parking capacity based on reduced demand;  Parking added vertically to an existing adjacent parking structure;  Natural gas powered CRI shuttle bus fleet of 5; o Site Development  Vegetated Roof on existing building (9,000 sf);  Hanging garden over roof plaza on new building (15,000 sf);  .8 acre vertical urban farm above parking garage addition; o Stormwater Design  1200 cubic feet rainwater collection tank for non-potable uses;  100% site irrigation from rainwater and gray water; o Heat Island Effect  Shaded roofs, vegetated and cool roofs to reduce HVAC roof load by approximately 60% Center for Community renewal energy Efficiency & Conservation Strategies 2 7.3.10
  • 3.  Water Efficiency o 40% reduced water consumption - low flow plumbing fixtures, eliminating evaporation from cooling towers through geothermal heat pump, reuse of gray water and rainwater for non-potable uses (toilets / urinals and irrigation, no domestic water irrigation); o 20% reduction in process water – water efficient appliances, food composting for use in urban farm, closed loop cooling system o Monitor water consumption and integrate with energy management  Energy and Atmosphere o Reduce energy requirements by 60% compared to baseline 2007 ASHRAE 90.1  Target Reductions:  Reduce design load from baseline 20 to 8 Watts/sf (2160 KW total building) & average demand load from 9 to 3.5 Watts/sf (945 KW total building)  Reduce peak electricity demand from 12 to 4.8 Watts/sf  Reduce annual electricity usage from baseline of 8,100,000 kWh (2.5 kWh/sf/month) to 3,200,000 kWh (1 kWh/sf/month or 3412 BTU/sf/month)  Greenhouse gases: CO2 reduced 3,560 tons per year (conservation & renewable energy strategies – 1 kWh = .879 lbs of CO2).  Reduce lighting power from 1.5 Watts/sf to .35 Watts/sf through day lighting, lighting controls and lamp efficiency  HVAC load requirement reduced from 685 peak load tons to 270 tons cooling and 3,700,000 BTU/hr annual heating to 1,100,000 BTU/hr  Reduction Strategies:  Energy Efficient work stations, computers, equipment and appliances o Reduce typical work station from 2500 watts to 200 watts by using laptops, task lighting, voice over IP phone and eliminating desk top computers, CRT’s, personal heaters & desktop printers. o Centralized multi-function equipment: printers, fax and copiers o Blade servers o Low wall work stations (42”) o Daylighting  Optimize HVAC and lighting systems and integrate building operations controls  Continuous Commissioning to achieve long term savings Center for Community renewal energy Efficiency & Conservation Strategies 3 7.3.10
  • 4.  Central Geothermal Heat Pump to reduce energy load and eliminate cooling tower water consumption o Clean Energy to Net Zero Energy plus (3,200,000 KWH projected annual demand < 4,145,000 kWh anticipated from sources below)  Building Integrated Solar Photovoltaic: 150,000 sf (wall and roof) x 6 Watts/sf = 900KW (6.5 hr./day x 365 days/year)= 2,135,000 kWh annually  Vertical Axis Wind Turbines (VAWT): 30 units (4’D x 16’ H) with 10KW generators = 300 KW capacity; Approximately 780,000 kWh annually at 9mph average wind speed  Solar Chimney in atrium: 30 micro turbines; approximately 30,000 kWh annually  500 KW Fuel Cell powered by bio-fuel and natural gas producing 1,200,000 kWh annually as part of a distributed generation system  Combined Heat and Power (Co-Generation)  Smart Grid technology to reduce / manage peak demand loads  Energy Storage? / Batteries? (Demonstration of new technologies)  Net metering to sell excess power to utility  Materials and Resources o (in progress)  Indoor Environment Quality o (in progress)  Innovation in Design o (in progress)  Regional Priority o (in progress) Center for Community renewal energy Efficiency & Conservation Strategies 4 7.3.10
  • 5. Shreveport Region Climate Information from NOAA  Rainfall o Average per year = 51.3” o Average per month = 4.3” o Average high month May = 5.25” o Average low month August = 2.71”  Wind speed o Average annual speed = 9 mph o Average high month March = 9.9 mph o Average low month July = 7.1 mph o Annual high speed average = 63 mph o Average monthly high speed = ± 35 mph o High speed per month varies from 19 to 63 mph  Sunshine o Annual percentage available = 64% o Low percentage in February = 51% o High percentage in August = 75%  Heating & Cooling o Cooling degree days = 2405 o Heating degree days = 2251 Center for Community renewal energy Efficiency & Conservation Strategies 5 7.3.10

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