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| Last Updated | 11/27/2018 11:36 AM |
| Project Title | Y--Install & Inspect Backflow Prevention Devices Project #460-18-010 |
| Physical Address | View project details and contacts |
| City, State (County) | Wilmington, DE 19805 (New Castle County) |
| Category(s) | Sewer and Water |
| Sub-Category(s) | Water Lines |
| Contracting Method | Competitive Bids. |
| Project Status | Results |
| Bids Due | View project details and contacts |
| Estimated Value | $500,000 to $1,000,000 |
| Plans Available from | |
| Owner | View project details and contacts |
| Architect | View project details and contacts |
| Description | Professional construction services to include but not limited to: Site investigation- mechanical, electrical, plastering, painting and construction. Installation Backflow Prevention Devices. The contractor would install/test to backflow prevention devices on the two main water lines coming into building 7 from the Artesian Water Company. The contractor will contact Artesian Water Company to coordinate the water shut down and any additional requirement that will be needed by Artesian Water Company. The contractor will install valves on the water lines before and after backflow prevention devices. The contract will install a Concrete Vault big enough to house the two backflow prevention device and enough room to conduct repair and testing. The contractors will determent the size of the vault to house the equipment. The concrete vault will be installed after the water meter. The contractor will provide on how many square feet of dirt will be disturb in order to install the vault. The contractor will install a sump pump to remove access water that may accumulate. The contractor will need to install power supply for the sump pump. Any wiring is to be inside electrical conduit, label and in accordance with VA policy and guidance. The contractor will install GFI of 120 volts. Any wiring is to be inside electrical conduit, label and in accordance with VA policy and guidance. The contractor will provide AUTOCAD drawings of installation. The AUTOCAD drawing will included water piping, sump pump, and electrical outlet, ladder, and backflow prevention devices. The contractor will install lighting to provide visibility. Any wiring is to be inside electrical conduit, label and in accordance with VA policy and guidance. The vault will have a ladder installed. The ladder should be easy access without stepping on any piping coming in and out of the vault. The contractor will provide a utility scan prior to any digging. The contractor and subcontractor personnel must follow the America Society of Sanitary Engineer standards for Backflow Prevention Devices. The contractor/subcontractor will fill out Artesian Water Company form on backflow prevention assembly test and maintenance form. The contractor will require providing a sediment barrier in the construction area. The contractor/subcontractor will provide a one page best maintenance practice detailing how they will prevent environmental issue (pollution, surface water runoff, etc.) The contractor will install/Test backflow prevention devices in the following areas: Mechanical Room 145 Cooling Tower MU Mechanical Room 245 Air Comp Cooling MU OR 3072A Make Up Exchange CLC East 35 humidifier Make Up All backflow prevention device installed will be lead free. Backflow Prevention Devices Inspection/Testing/Survey The contractor will test all backflow prevention devices located at the Wilmington, VA. The contractor will be required to conduct a survey/inspection/testing all backflow prevention devices in buildings; 1, 2, 3, 4, 5, 6, 10, 13, 15, 17 and location specified in VA plumbing design manual and General Duty Valves For plumbing piping. | ||||
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| Bidder's List | View project details and contacts | ||||
| Prospective Bidders | View project details and contacts | ||||
| Project Documents |
 Engineered Spec Sheet  Architectural Plans  Other Documents |
