Specifications include, but are not limited to: This project will consist of the Construction of a new sanitary system for the Pottawattamie Rest Area located from Rest Area to mile marker 19; 1. Pump Station: a. Center of wet well structure with offset, and structure invert elevation or top of pump station elevation reference elevation.; b. Offset stakes for pump station building pad corners with top of footing elevation.; c. Fence corners (horizontal location).; 2. Trenchless Construction: a. Four (4) stakes shall be set at each end of the trenchless construction. These will include two offsets perpendicular to the end of the called out run along with two centerline alignment points. Grade reference will be to the flow line of the sewer.; b. Contractor will be responsible for verification of the construction staking with the design plans prior to construction. Verify line and grade from at least two construction stakes on each end of trenchless construction.; PUMP STATION: A. Construct operational sanitary sewer pump station as shown on plan sheets. All equipment shall be provided and installed by the contractor.; B. STRUCTURE – Provide in accordance with SUDAS Division 6 and plan sheets.; C. PUMPS – Refer to Section 43 25 13.; D. VALVES – Refer to Section 22 70 05.; E. PUMP CONTROLS: 1. Proposed pump station building shall be a site-constructed enclosure including a duplex pump control panel, as described on the plan sheets.; 2. Refer to plan sheets and electrical specifications for further information. ; SANITARY SEWER AND FORCE MAIN: A. Refer to SUDAS Divisions 3, 4, 5 and 6 for gravity sewer and force main installation requirements. Refer to Special Provisions Part 3, Division 22 for piping at the pump station site.; 1. Refer to Special Provisions Part 3, Section 22 70 05 for specifications for Air Release Valve Set.; B. Verify all field dimensions and elevations prior to commencing installation. Report any discrepancies to the Engineer.; C. Construct so that the minimum amount of trench is open at any time, and that the project vicinity is restored as work progresses.; D. Connect to the existing or proposed sanitary manholes as shown on the construction drawings.; E. PIPE MATERIALS – The sanitary sewer pipe (except for piping at pump station site specified in Part 3, Section 22 70 05) shall be as follows. Other materials may be used if approved by Engineer and Owner.;; 1. 8” diameter sewer, trenched: a. PVC AWWA C900, DR 18 in accordance with SUDAS Section 5010 with class F-2 bedding.; 2. Force Main: See Force Main Construction Notes on plan sheet A.03.; a. Any Ductile Iron force main shall be provided with Protecto 401/Ceramic epoxy lining or engineer approved equal in accordance with SUDAS Section 4010, with Class P-1 bedding.; F. SEWER INSTALLATION: 1. Install sewer pipes and manholes in accordance with the SUDAS Sections 3010, 3020, 4010, 4060, 6010, and as shown on the construction drawings, and as specified in these Special Provisions.; 2. Exercise care in handling, transporting, and placing pipe and manholes to prevent damage to the pipe or lining. Use exterior slings or suitable forklift to handle pipe.