NOTICE TO BIDDERS
CITY OF GROTON, CONNECTICUT
DEPARTMENT OF UTILITIES
WALKER HILL WATER STORAGE TANK
AND APPURTENANT WORK
WALKER HILL ROAD
The City of Groton, Department of Utilities, requests formal bids to install a 2.2 million gallon pre-stressed concrete water tank with a diameter of 98 feet and a height to overflow of 39 feet. The work includes site clearing, excavation and backfill for a new tank foundation; installation and maintenance of temporary sedimentation and erosion controls; construction of footings and associated walls for the new tank; the provision and installation of a new pre-stressed concrete tank, including accessory interior and exterior equipment such as exterior ladder, manway access at the base of the tank, a roof hatch, roof vent, overflow piping, interior mixing equipment to provide for uniform circulation of flow and a THM removal system consisting of both interior and exterior equipment, the installation of new exterior 16-inch water piping, valves and chamber with altitude valve; testing of new equipment and sanitizing of water mains and water in the new tank; demolition and removal of the existing 1.5 million gallon concrete water storage tank, including existing valve chamber, adjacent piping and equipment attached to the tank; installation of drainage piping and a level spreader with riprap energy dissipater; relocation of existing underground electric utilities, site restoration and appurtenant work.
Sealed Bids for the above work will be received at the office of the Department of Utilities, Project Management Section / Water Division, 1240 Poquonnock Road, Groton, Connecticut 06340 until 10:00 A.M., prevailing time, on November 16, 2017 at which place and time said bids will be publicly opened and read aloud.
Copies of the Contract Documents and Contract Plans may be obtained as follows:
- Paper copies are available at the Water Division Project Management Office at 1240 Poquonnock, Groton, Ct 06340; or
- PDF copies of the plans and documents will be available for viewing and download through the City of Groton website at http://cityofgroton.com/government-services/bids/
A mandatory pre-bid meeting will be held at the site of the existing tank at 10:00am on Wednesday, November 1, 2017. Representatives of Groton Utilities will meet prospective bidders at 105 Walker Hill Road, Groton, Connecticut for the purpose of conducting a site inspection and describing the extent and location of the proposed work. All interested parties are encouraged to be prompt and timely; a sign-in sheet will be available and all those in attendance are expected to provide names and contact information.
Modifications to the Contract Documents will be made only by written or email Addenda, duly issued by the City of Groton, Department of Utilities. Addenda, if issued, will be sent by certified mail or emailed, return receipt requested, no later than five (5) calendar days prior to the date fixed for opening of bids. Bid modifications and withdrawal are allowed up to the time of bid opening.
All bidders are required, at the time of bid opening and together with bid documents, to submit qualifications with respect to their record on the construction and installation of prestressed concrete tanks, in conformance with Section 1.02.A.1 through 1.02.A.7 of Technical Specifications for Prestressed Concrete Tanks.
The chosen contractor shall complete the work within the time limits set forth in the “Instructions to Bidders” and in the “General Conditions”.
Each bid submitted must be accompanied by a Certified Check or a Bid Bond in the amount of 10% of the total amount of the tendered bid and made payable to the order of the City of Groton, Department of Utilities, Water Department.
The contractor awarded the work will be required to furnish a 100% Performance Bond and 100% Labor and Materials Bond.
Contracts will be compared and awarded on the basis of (1) the lowest, responsible, responsive and qualified bidder, (2) qualitative considerations related to the proposed pre-stressed concrete water tank and other appurtenant equipment and (3) the experience and past performance of the Contractor. The City of Groton Utilities Commission reserves the right to accept any bid or to reject any or all bids should the Commission deem it to be in the public interest to do so, or to delete or reduce the scope of any work in order to bring the cost within available funds.
All prospective bidders shall take note that the City of Groton is exempt from the payment of State of Connecticut sales tax and that the time of completion from the date of the signed Agreement – is 360 consecutive calendar days.