2008-213 (5) - Laserfiche WebLink

Home Browse Search

L 9. Empty installed pipe shall be secured against flotation due to potential trench flooding by timely placement of sufficient backfill or approved anchoring devices sufficient to resist pipe buoyancy. 3.09 INSTALLATION OF FITTINGS A. Fittings, plugs, and caps shall be set and jointed to pipe in the manner heretofore specified for cleaning, laying and jointing pipe. B. Installation of manholes shall conform to the details as shown on the Drawings and, unless otherwise specified, shall conform with Section 425 of the 1986 Edition of the Florida D.O.T. Standard Specifications for Road and Bridge Construction. Backfill shall be placed in lifts not to exceed 12 inches loose depth and compacted to 95 percent of maximum density per AASHTO T-180 in unpaved areas and to required subgrade density in areas of paving or curbing. C. Density tests shall be taken on the compacted backfill at all manholes. There shall be a minimum of one test location for each manhole. The test location shall be taken at the location designated by the Engineer's representative. The density tests shall be taken at each location at one foot intervals beginning at the bottom of the excavation and ending at the final grade. The costs of all testing shall be paid for by the Contractor. 3.10 INSTALLATION OF DETECTABLE BURIED WARNING TAPE Tape shall be attached to the pipe for its entire length. Tape shall also be placed at a maximum depth of 12 inches below finished grade directly above the pipe centerline. Following placement of tape, the trench shall be backfilled with due caution to prevent displacement or damage to the tape. 3.11 INSTALLATION OF DETECTABLE BURIED TRACE WIRE Trace wire shall be installed on all pipe and fittings, with splices, branches, connections and terminations as shown on the plans. 3.12 AS -BUILT DRAWINGS During the installation of gravity sewer lines, the Contractor's Registered Florida Surveyor and Mapper shall keep accurate records of the As -Built construction showing the location of all changes in elevation, alignment, services, utility crossings, structures and similar data. Items shall be located from permanent objects such as centerline of street, manholes, valves, etc. Immediately upon completion of the sanitary sewer inverts and prior to placement of roadway base, the Contractor shall deliver to the Engineer an As -Built Drawing, signed and sealed by a Florida registered surveyor, showing the manhole separations, inverts and rim elevations. END OF SECTION 02530-9 6 02530 — Gravity Sanitary Sewer Piping