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Opening of Bids - 2024 Street and Sewer Material Bid Proj No. 124-004 - Bit-Mat Products
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Opening of Bids - 2024 Street and Sewer Material Bid Proj No. 124-004 - Bit-Mat Products
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3/12/2024 2:24:07 PM
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Board of Public Works
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Projects
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3/12/2024
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b. Adjustable turnbuckle must be pivoted on 304 stainless steel roll pins at both ends <br />which eliminates binding of mechanism when expanding or contracting manhole <br />riser. <br />C. The linkage assembly shall not contain tac-welds. <br />d. The linkage shall pivot inside a solid W thick bar. The linkage shall accommodate <br />an adjustment to the diameter of the ring of/." in either direction (larger or smaller). <br />e. The ring must be a single piece assembly, with no loose parts. <br />f. Riser must expand to obtain full circumferential engagement. <br />g. The riser shall not obstruct entrance to a manhole. There are no extensions to <br />hinder men or equipment using the manhole. <br />h. All moving parts and mating surfaces are zinc plated with dichromate finish or <br />stainless steel. Skirts are G90 galvanized. <br />i. Skirt must be welded 85% of the circumference of riser. <br />�. Manhole riser allows efficient application of the pivoted turnbuckle so that 60 lbs. <br />force applied 7" from center of turnbuckle exerts 5600# tangential force in the riser <br />ring. This enables the riser ring to be forced to fit worn out of round manhole lid <br />seats and still exert a great force on the side walls for holding power, <br />k. Manhole risers shall be color coded prior to delivery based on the following: <br />Ring Diameter <br />Color <br />20 314" D <br />Silver <br />21 314" D <br />Blue <br />22 118" D <br />Red <br />22 114" D <br />Yellow <br />23" D <br />Green <br />23 5/8" D <br />Black <br />25 112" D <br />Fluorescent Orange <br />26" D <br />Orange <br />26 112" D <br />Gold <br />XIX. DIVISION E: TRAFFIC MATERIALS <br />A. Prevailing specifications/INDOT Standard Specification Section: 808, 909, 921 <br />B. Additions: <br />1. High Build Fast Dry Waterborne Traffic Paint: <br />a. High Build Fast Dry Waterborne Traffic Paint must meet and exceed the chemical <br />composition and performance requirements of Federal Specification TT-P-1952F <br />Type III. <br />Version 07/19/2023 Special Provisions - 9 <br />
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