Laserfiche WebLink
SECTION 02403 <br /> ' INSTALLATION OF DRAINAGE PIPE AND STRUCTURES <br /> L SCOPE . <br /> A . This section covers the handling of materials and the work required to install , <br /> ' construct and join, piping, fittings , and appurtenances for a complete drainage <br /> system as shown on the Drawings and specified herein. <br /> ' 2 . GENERAL REQUIREMENTS <br /> A . All work shall be proved to be in first class condition and constructed properly in <br /> accordance with the Drawings and Specifications . All defects and leaks <br /> disclosed by required testing shall be remedied. All tests shall be performed by the <br /> Contractor and observed by the Engineer. <br /> B . All pipe and structures shall be installed on dry, firm bedding . The free-water <br /> surface shall be lowered to at least 12 inches below the bedding surface prior to <br /> placing pipe or structures and shall be maintained at that depth throughout bedding, <br /> haunching, and initial backfilling of the work. During subsequent backfilling, the <br /> water level shall be kept sufficiently below the working surface to allow <br /> compaction of backfill to the required density, and until required density tests <br /> have been performed. <br /> C . Temporary supports shall be installed for adequate protection and <br /> maintenance of all underground and surface structures, water lines, drains , and <br /> other obstructions encountered in the progress of the work. Any structures <br /> which may have been disturbed shall be restored upon completion of the work. <br /> D . Blasting shall not be permitted except by written approval of the Engineer. <br /> E . Trenching and subsequent backfilling within the general construction site shall be <br /> accomplished as expeditiously as possible in order to prevent trench decay and <br /> maintain a clear operational area. <br /> F . Prior to any excavation or trenching outside the designated limits of the work site , <br /> the Contractor shall secure the necessary permits and/or authorization from the <br /> applicable Owner, or confirm that such has been previously obtained. The <br /> stipulations of said permit or authorization shall be completely followed <br /> and, prior to construction operations , notice shall be provided to the appropriate <br /> Owner and Engineer. <br /> ' G. All work shall be installed in accordance with these specifications, the <br /> applicable sections of the FDOT specifications , manufacturers <br /> recommendations and the Drawings . <br /> ' C : \ Down1oad \ techspec - 02903 . doc <br /> 02903 - 1 <br />