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Sealed bids for Construction of Boiler replacement Including Heating and Ventilating Systems and Equipment Work, Electrical Work Plumbing and Gas Fitting Work, associated General Work for Roofing in the city of KEYPORT, NJ
Sealed bids invited for Design of the Sac River Water Treatment Plant and the E.A. Fairbairn WTP Improvement Proj Addendum1, sacarmento, california.
Sealed bids invited for Electric and Water Advanced Metering Infrastructure,Bryan,Texas.
Sealed bids invited for Summitville Water Treatment Plant Operations and Maintenance,Denver,Colorado.
Sealed bids invited for BID #09-CP-58 Ballenger-McKinney ENR Wastewater Treatment Plant Expansion,Frederick, Maryland.
Sealed bids invited for Storm Water Improvements US-17/North Causeway Pawleys Island, SC.
Sealed bids invited for construction of 3RD, 4TH AND 5TH AVENUES NORTH WATER MAIN REPLACEMENT, (OFFICE FILE 1571)Great Falls, Montana.
Sealed bids for the Pleasant Avenue Infrastructure Improvements in the city of Highland Park, IL
Sealed bids invited for RFB-5-10 New Chiller Replacement DOT District 11 Manchester, kentucky.
Sealed bids invited for Cured-In Place Pipe Lining Rehabilitation Services - Storm Drains (Non-Sheltered Market),Broward County,Florida.
Sealed proposals for the construction of the North WWTP Excess Flow Pumping Station for the City of Wood Dale, DuPage County, Illinois
Sealed bids invited for Water Meter Fittings- Repair Items (Rebid) (Non-Sheltered Market),Fort Lauderdale,Florida.
Sealed bids invited for Water Meter Boxes and Covers (Rebid),Fort Lauderdale,Florida.
Sealed bids invited for North Pinellas Reclaimed Water Pump Station Rehabilitation,Clearwater,Florida.
Sealed bids for Drainage Improvements Project in the city of Buffalo Grove,Illinois
Sealed bids for reconstruction project consists of excavation, hot-mix asphalt pavement on aggregate base course, combination concrete curb and gutter, storm sewer and drainage structures, culverts, landscaping and all necessary work to complete the project in the city of Libertyville, Illinois
Sealed bids invited for Willow Springs Street Project. Brookings, South Dakota.
Sealed bids for installation of approximately 200 L.F. of 12 DIP Class 52 across Route 309 at the intersection of Park Avenue, and 100 L.F. of 8 DIP to reconnect existing water mains parallel to Route 309, in the city of Quakertown, PA
Sealed bids for WWTP - Headworks Replacement Contract in the city of Schererville, IN
Sealed bids invited for Bid # 09/10-003, PWP # WA-2009-327 for the WESTBOUND VICTORIAN AVE. SEWER REHABILITATION PROJECT,Sparks, Nevada.

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Human Powered Water Purifier–Update

June 21st, 2008 by Editor

In order to turn their design into reality, the lead students representing the American Society of Mechanical Engineers (ASME) open-source human powered water purifier design group met at Western Kentucky University over the weekend of May 16-18. The students came from as far away as Sweden and Venezuela but they each came with one intent: to build a water purifier that would function without supplemental electricity or battery power. Read on…

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