Site work and paving for a bridge / tunnel in Maryville, Missouri. Completed plans call for site work for a bridge / tunnel; and for paving for a bridge / tunnel.

The proposed material includes: Five (5) W33x118 - 50,000 PSI (or heavier) wide flange beams with shear connectors. The girder length shall be 70 feet. Shop drawings for the structural steel shall be submitted to the engineer for review and approval. The approval will cover only the general design features, and in no case shall approval be considered to cover errors or omissions in the shop drawings. The supplier shall be, or shall utilize a fabricator that meets the appropriate American Institute of Steel Construction (AISC) certification provisions as stated in Section 1080.3.1.6 of the 2020 Missouri Standard Specifications for Highway Construction for all structural elements. All welding operations, including material and personnel, shall meet the American Welding Society (AWS) specifications. Certified mill test reports, including results of chemical and physical tests, and non-destructive testing reports are required on all structural steel elements. Two C7x9.8 channels, one welded to each outside girder, shall be included for mounting of guardrail posts, as shown on the attached detail. Two C7x9.8 channels, one for each end of the deck as shown on the attached detail. C12x25 diaphragms and diaphragm connection plates as shown on the attached detail. Stay-in-place forms, shop cut to fit snugly between the shear connectors of adjacent girders. Sufficient form material shall be provided to accommodate a 6-inch overlap at the joints between sheets. The gage of the forms shall be sufficient to support a 7-inch concrete deck. Four C12x25 channels, each 30 feet in length. Two 1/2" x 16" plates, each 30 feet in length. Two C6x10.5 channels, each 24 feet 7 inches in length Thrie beam guardrail and 4 thrie beam flared terminal ends for a 70-foot-long bridge shall be included as shown on the plans. The right is reserved to reject any or all bids.