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• r 5 CION 2d INSTALLAIJON OF DRAINAGE PIPE AND MUCTURES 1. SCOPE I A. This section covers the handling of materials and the work required to ' install, construct and Join, piping, fittings, and appurtenances for a complete t drainage system as shown on the Drawings and specified herein. 2. GENERAL REQUIREMENT'S A. All work shall be proved to be in first class condition and constructed properly in accordance with the Drawings and Specifications. All defects and leaks disclosed by ret{aired testing shall be remedied. All tests shall be perrformed by the Contractor and observed by the Engineer. t B. All pipe and structures shall be installed on dry, firm bedding. The free - water surface shall be lowered to at least 12 inches below the bedding surface prior to placing pipe or structures and shall be maintained at that depth throughout bedding, haunching, and initial backfilling of the work. During subsequent backfilling, the water level shall be kept sufficiently below the working surface to allow compaction of backfill to the required density, and until required density tests have been 4 performed. C. Temporary supports shall be installed for adequate protection and D. E. F. t G 3. 4. maintenance of all underground and surface structures, water lines, drains, and other obstructions encountered in the progress of the work. Any structures which may have been disturbed shall be restored upon completion of the work. Blasting shall not be permitted except by written approval of the Engineer. Trenching and subsequent backfilling within the general construction site shall be accomplished as expeditiously as possible in order to prevent trench decay and maintain a clear operational area. Prior to any excavation or trenching outside the designated limits of the work site, the Contractor shall secure the necessary permits and/or authorization from the applicable Owner, or conium that such has been previously obtained. The stipulations of said permit or authorization shall be completely followed and, prior to construction operations, notice shall be provided to the appropriate Owner and Engineer. All work shall be installed in accordance with these specifications, the applicable sections of the FDOT specifications, manufacturers recommendations and the Drawings. HANDLING MATERIALS A. Pipe, fittings, and accessories shall be loaded and unloaded by hand or skidding so as to avoid shock or damage. Under no circumstances shall such materials be dropped. Pipe handled on skidways shall not be skidded or rolled against pipe already on the ground_ B. In distributing the material at the site of the work, each piece shall be unloaded opposite or near the place 'where it is to be laid in the trench. ALIGNMENT, GRADE, AND COVER FOR BURIED PIPING SYSTEMS A. Pipe shall be laid and maintained to the required lines, depths, and grades. 2Q•t