Orosco_Crossings_Special_Project_Specifications_-_Final_-_P_58_Correction.pdf

706 – Concrete Pipe

Delete 706.07 and replace with the following:

706.07 Pre-Cast Reinforced Bottomless Concrete Culvert Sections. Conform to ASTM C1577. Meet the design requirements for AASHTO, Load and Resistance Factor Design (LRFD) Bridge Design Specifications with HL-93 live loading. Clearly mark the following information on the inner surface of each box section by indentation, waterproof paint or other approved means:

(a) Arch span and rise;

(b) Date of manufacture;

(c) Name of manufacturer;

(d) Submittal number; and

(e) Date certified by manufacturer.

In addition pre-cast sections shall meet the following:

Product: Conspan B-Series with 16-foot span and 3’-10” rise Available from: Contech Engineered Solutions, LLC 950 South Coast Drive, Suite 145 Costa Mesa, CA 92626 Waterway Area: 55 SF Number of Cells: 2 per structure (16-foot width) Headwall Height: as necessary to accommodate road (12” min) Skew: Per plan Headwall Length: 16-foot each side of structure Headwall Height: 30 inches above concrete arch at mid-span Headwall width and reinforcing to accommodate vehicular impact Wingwall Dimensions: Per plan Soil Bearing: 4500 psf

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Oso Text Box Delete this line

Oso Text Box Add: "Or Equal"