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PART 3 — EXECUTION <br />3.1 INSPECTION AND VERIFICATION <br />A. Verify all lines, levels, and measurements before installing drainage pipe. <br />B. The Contractor shall demonstrate that the installed pipes are not damaged during <br />compaction of fill adjacent to and above the pipes. Refer to Section 02200 for <br />compaction requirements. <br />C. Inspection and verification methods to be used shall include, but are not limited to, <br />conducting a video survey of the installed PVC pipes. Copies of the video survey <br />cataloged by location and date shall be furnished to the Owner and Engineer. <br />3.2 PREPARATION <br />A. Do not install drainage pipes until the drain rock materials beneath the pipe invert has <br />been placed, compacted and observed by the Engineer, and all surface water and <br />groundwater has been removed from the subgrade and trenches. <br />3.3 INSTALLING DRAINAGE PIPE <br />A. Excavation for drainage pipe trenches shall be in accordance with Section 02240 and as <br />shown on the Drawings. The drainage pipe shall be laid to lines and grades shown on the <br />Drawings. No portion of the drainage pipe shall be placed with adverse slopes. <br />B. The slotted pipe shall be laid and joined together so that the center of the rows of slots are <br />symmetrical about the vertical and horizontal pipe centerlines and oriented at the 1:30, <br />4:30, 7:30 and 10:30 o'clock positions. <br />C. All pipe shall be laid so the bell end is higher than the spigot end. <br />D. The joining of pipe sections shall be made with materials, fittings, and couplings <br />consistent with the type of pipe used. The pipe sections shall be fitted together spigot to <br />bell, and the joints shall be drawn together so that the bells and spigots are fully engaged. <br />E. Place drain material about slotted pipe to the lines, grades, and thicknesses shown on the <br />Drawings. The materials shall be carefully placed and tamped about the pipe so as not to <br />disturb the pipe and to hold it securely in position while the overlying material is being <br />placed. Follow requirements for placing and compacting drain rock around drainage pipe <br />as specified in Section 02200. <br />F. Re -work drain material that has not been placed in accordance with these Specifications. <br />Reworking may include recompacting, removal and replacement with reconditioning of <br />material then recompacting, or combinations of these procedures, as accepted by the <br />Engineer. <br />END OF SECTION 02610 <br />PVC Drainage Pipe February 2017 02610-3 <br />