Researchand reporton how an agencyofyourmunic-ipality
Chapter , Problem 16-46(choose chapter or problem)
Researchand reporton how an agencyofyourmunic-ipality evaluatespublic project proposals.What inter-est rate and what economic measures are used? data supplied adds detail to the chapter-openingvignette.The three problems that follow the data werecontributed byWilliam R. Truran, Stevens Instituteof Technology, and Peter A. Cerenzio, Cerenzio &Panaro Consulting EngineersDaily and intermediate cover material is 20% ofthe landfills usable space. Density of solid waste is1500 pounds per cubic yard. LFG recovery rates:3000 cubic feet per ton for municipal solidwaste (MSW)1500 cubic feet per ton for construction anddemolition waste (C&D)Assume waste composition is 80% MSW and 20%C&D.Methane content in the LFG is 50% for MSW and20% for C&D.Heating valueFor methane: 1,030,000 BTU/1000 cubic feetFor fuel oil: 138,800 BTU/gallonAssumed furnace efficiency is 88% for methaneand 82% for fuel oil.Cost of fuel oil is $2.50/gallon.Heating load for residential dwelling is100 million BTU per year.1.7104BTU per kilowatt- hoursValue=$0.05/kWh
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