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Modifications to Existing Aluminum Boat.

Tenders are invited for Modifications to Existing Aluminum Boat


To enhance our ability to collect sediment cores several vessel modifications are necessary. Modifications include the addition of storage lockers for windlass lines, three hinged aluminum work surfaces, four deck cleats, deck hose storage area, relocate water hose/connection, upgrade hydraulic cables/controls, maintenance to hydraulic generator and water pump, GPS mounting post, vibracore cradle, and a bimini top over back half of the boat. Specific details will be discussed with the winning bidder once the bid has been awarded. Three key pieces of equipment will need to be purchased by the bidder and installed on the deck of the vessel which includes three windlasses, marinized hydraulic crane, and vibracore system. Three vertical heavy displacements, stainless steel windlasses with no capstan will be installed to allow three point anchoring. A marinized hydraulic crane will be connected via hydraulic cables to a generator on the boat. The crane includes a winch with galvanized cable. A vibracore coring device will be attached to the crane and lowered into the water to collect sediment cores. The vibracoring system consists of the vibracore head, core tube, underwater electrical cable coming from surface support platform to the vibracore head, and control box located between the underwater cable and the power source. The vibracore head has a core tube clamp and an internal vibrator motor. The vibracorer applies thousands of vibrations per minute to help penetrate the sediment. When the core tube is inserted in the core tube clamp, the vibracorer is lowered to one foot above the water body and then turned on. As soon as the core tube touches the sediment, the sediment and water interface to create a slurry due to the vibrations between the core tube and sediment. This eases the entry of the core tube into the sediment. Specifications are listed below.


This procurement includes:

Aluminum vessel modifications

Three (3) stainless steel windlass systems

Marinized hydraulic crane

Vibracore system.

Deadline for Bidder to Submit Questions 1:00 p.m. EST April 19, 2016

Anticipated Date State will Post Answers to Bidder Questions April 25, 2016

Major organization : STATE OF MICHIGAN

Address : 525 W. Allegan,

Lansing, MI 48933,

Name: Tara Premoe

Country :United States

Email :

Tender notice number : 076116B0007772

Notice type : Tender Notice

Open date : 2016-05-06

Tender documents : T32890027.html

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Publication:Mena Report
Date:Apr 2, 2016
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