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Prop 7.A. - Page 175 Iwood City GDF Expansion <br /> Air�,.u�„Y,.,�����u,�.,��u��y�„��u��rsis <br /> Appendix A: Construction Emission Calculations <br /> Table A-4. Construction Emissions-Reactive Organic Gas(ROG)Off-gassing. <br /> Construction ROG Off-gassing Duration ROG Emissions <br /> Phase/Task Resources Activi Quanti Da s Pounds er Da <br /> Phase 1: Demolition/Site Pre aration. <br /> Concrete/Industrial Saws -- -- 2 -- <br /> a.Temporary Fencing, Rubber Tired Loaders -- -- 2 -- <br /> Asphalt Removal 10-ton Dump Trucks(20 loads) -- -- 2 -- <br /> Labor -- -- 2 -- <br /> Task Subtotal: -- <br /> Rubber Tired Loaders -- -- 3 -- <br /> b.Sub-grade Earthwork Tractors/Loaders/Backhoes -- -- 3 -- <br /> 10-ton Dump Trucks(20 loads) -- -- 3 -- <br /> Labor -- -- 3 -- <br /> Task Subtotal: -- <br /> c.Relocate Storm Drain Tractors/Loaders/Backhoes -- -- 3 -- <br /> Labor -- -- 3 -- <br /> Task Subtotal: -- <br /> d.Initial Concrete Work- Tractors/Loaders/Backhoes -- -- 5 -- <br /> Retaining Wall,Footings, Concrete Trucks(4 loads) -- -- 5 -- <br /> Curbs Labor -- -- 5 -- <br /> Task Subtotal: -- <br /> Phase 2: Fuel S stem,Pavin ,Cano . <br /> a.Fuel S stem Labor -- -- 10 -- <br /> Rubber Tired Loaders -- -- 3 -- <br /> b.Paving: Prepare Base Base Delivery Trucks(40 loads) -- -- 3 -- <br /> Labor -- -- 3 -- <br /> Task Subtotal: -- <br /> c.Paving: Concrete Apron Concrete Trucks(9 loads) -- -- 2 -- <br /> Labor -- -- 2 -- <br /> Task Subtotal: -- <br /> Pavers Asphalt Off-gassing 8,500 sq ft 2 0.26 <br /> d.Paving: Asphalt SurFaces Rollers -- -- 2 -- <br /> Labor -- -- 2 -- <br /> Task Subtotal: 0.26 <br /> e.Canopy Installation and Forklifts -- -- 15 -- <br /> Finishes Generator Sets -- -- 15 -- <br /> Labor -- -- 15 -- <br /> Task Subtotal: -- <br /> f.Landscaping/Striping Air Compressors Architectural Coatings 2,000 sq ft 5 2.78 <br /> Labor -- -- 5 -- <br /> Task Subtotal: 2.78 <br /> Summary: <br /> Maximum Phase Daily Emissions(pounds/day) 2.78 <br /> Total Emissions(pounds) 14.42 <br /> Daily Average Emissions(pounds/day) 0.41 <br /> Source for information on area to be paved with asphalt: January 4,2012 email from MulvannyG2 Architecture. Area to be painted <br /> assumes 180 parking spaces to be striped at 10 square feeUstall,and that an additional 200 square feet of traffic coatings will be applied. <br /> Emission factor for asphalt paving off-gassing: <br /> Asphalt Off-gassing ROG: 0.0000601 Ib/ft2 <br /> Source: ENVIRON International Corporation, California Emissions Estimator Model(CaIEEMod)User's Guide Uersion 2011.1, <br /> February 2011,Appendix A,Section 4.8,available at www.caleemod.com(accessed January 6,2012). The emission factor <br /> reported for asphalt off-gassing is reported as 2.62 Ib/acre X(1 acre/43,560 ft2)=0.0000601 Ib/ft2. <br /> Emission factor for architectural coatings: <br /> Variable Reference Symbol Value Unit <br /> VOC content of coating Bay Area AQMD Reg 8,Rule 3 Cvoc 150 g/I <br /> Coating coverage CaIEEMod 2011.1.1 defauR CCov 180 ft2/gal <br /> Architectural Coatings ROG: 0.00695 Ib/ft� <br /> Source: ENVIRON International Corporation, California Emissions Estimator Model(CaIEEMod)User's Guide Uersion 2011.1, <br /> February 2011,Appendix A,Section 4.7,available at www.caleemod.com(accessed January 6,2012). The emission factor <br /> is expressed as: Ef=(Cvoc�453.59 g/Ib)X(3.7854 I/gal)=CCov. Bay Area AQMD Regulation 8,Rule 8-3-301 specifies a <br /> coating VOC limit of 150 grams/liter for traffic marking coatings. <br /> Page 7 Date: 7/30/2012 <br />