MODIFICATION
99 -- The purpose of this modification is to provide answers to several questions received thus far in response to the RFI.
- Notice Date
- 3/13/2013
- Notice Type
- Modification/Amendment
- Contracting Office
- N62470 NAVFAC Atlantic Code AQ 6506 Hampton Blvd, Building A Norfolk, VA
- ZIP Code
- 00000
- Solicitation Number
- N6247013RFI02
- Response Due
- 3/22/2013
- Archive Date
- 4/22/2013
- Point of Contact
- Amber Forehand-Hughes 757-322-8336
- Small Business Set-Aside
- N/A
- Description
- RESPONSE TO RFI QUESTIONS: 99_RFI electric and steam production via use of CHP Sources Sought 1) Question: Providing steam requirements year around at the installation. What is the year around steam demand, including steam quality, temperature and pressure? GOVERNMENT RESPONSE: Total steam use for coldest 30 day period: Jan 15 to Feb 15 FY13: 67,510,000 lbs with a maximum demand of 120,000 lbs / hr Total steam use for warmest 30 day period: Aug 15 to Sep 15 FY12: 23,490,031 lbs with a maximum demand of 40,000 lbs / hr Steam pressure: 125psi Steam temperature: 350*F Saturated Steam 2) Question: Reducing the use of the current gas/oil fired boilers at the installation. What is the current facility capacity and what is the magnitude of the reduction you are looking for? GOVERNMENT RESPONSE: The maximum output of a standard 10 MW CHP unit with HRSG (heat recovery steam generator). Goal is to reduce the gas fired boilers use by the amount of steam being produced. 3) Question: Reducing the electrical demand and therefore the cost of electricity from the local utility provider. What is the demand charge you are currently paying? GOVERNMENT RESPONSE: The demand charge is approx $2.70/KW 4) Question: Purchasing electricity and/or thermal energy produced at the CHP plant at a lower cost than current cost. Will you purchase all the electrical power produced up to 10 mw? What is your current cost for thermal energy? GOVERNMENT RESPONSE: NAVFAC Washington will purchase all the electricity produced. The cost of natural gas is approximately $0.54/therm. 5) Question: Have we confirmed that gas supply is available? and cost? contract term? GOVERNMENT RESPONSE: Washington Gas is supplied to the Central Utility Plant to support the existing requirements. NAVFAC Washington has a contract with Washington Gas. The successful bidder would buy gas from Washington Gas and have a separate meter from the one for NAVFAC Washington. 6) Question: The best fuel for the CHP plant would be natural gas. Listed in the objectives for the project is "the reduction of gas and fuel fired boilers". Apparently natural gas is available on site. Is there natural gas capacity to run the CHP plant? GOVERNMENT RESPONSE: Natural Gas is available and is being used to operate existing boilers. Boilers are operated as load demands. The CHP plant will replace running one or two boilers so the capacity should be there. 7) Question: Since this would be a "bulk power delivery" contract, power from the CHP plant would be delivered to the campus distribution system. What voltage is the campus distribution system? This would determine whether or not a substation would be required to match the voltages between the turbine/racine generators and the distribution system. GOVERNMENT RESPONSE: The Electrical Utility delivered from PEPCO onto the Bethesda WRNMMC is 13,200 V transported on 4 feeders onto the main switch gear. A one-line diagram will be provided with the RFP. 8) Question: This project will require permitting from the EPA/Air Quality Management Division. Has any permitting been completed? GOVERNMENT RESPONSE: The permitting has not been completed.
- Web Link
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(https://www.fbo.gov/spg/DON/NAVFAC/N62470CON/N6247013RFI02/listing.html)
- Record
- SN03011218-W 20130315/130313235103-b9b0606103f257fbfa6a77d64a836d85 (fbodaily.com)
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