11831 AIRPORT RD WHOLE SITE FILE 2020-01-21

DIVISION 7 DRAINAGE STRUCTURES, STORM SEWERS, SANITARY SEWERS, WATER MAINS, AND CONDUITS 7-01 DRAINS 7-01.5 Payment Section 7-01.5 is supplemented with the following: Drain pipe elbows, fittings, and connection to shelter downspout shall be considered incidental to "Drain Pipe_In. Diam", per linear foot and no separate payment will be made. 7-04 STORM SEWERS 7-04.2 Materials Section 7-04.2 is supplemented with the following: Ductile Iron Storm Sewer Pipe 9-05.13 7-04.3 Construction Requirements Section 7-04.3 is supplemented with the following: Trenches shall receive a temporary trench patch at the end of each working day to ensure the safety of the public. Temporary Trench Patch may be cold mix for up to 3 days; after 3 days the cold mix must be replaced with the permanent HMA trench patch. Furnishing, placing, removing, and disposing of cold patch shall be considered incidental to unit bid prices for storm drainage items. 7-04.3(2) Utility Clearances Section 7-04.3(2) is added: An Ethafoam pad is required for installations where other utilities are closer than 12-inches to provide additional protection between the adjacent utilities. The size of the pad shall be based on the outside diameter(O.D.) of the larger crossing pipe. The pad shall be O.D. long by O.D. wide by 2.5 inches thick minimum or as required to protect the pipes. The pad shall be a strong, resilient, medium-density, closed-cell, polyethylene foam plank(Dow Ethafoam 220, or accepted equivalent.) 7-04.5 Payment Section 7-04.5 is supplemented with the following: "Ductile Iron Storm Sewer Pipe, _In. Diam.", per linear foot. The unit contract prices for storm sewer pipe regardless of material type shall be full pay for all work to complete the installation, including but not limited to: potholing at utility crossings, dewatering; trench excavating, hauling and disposing of debris and unused materials; furnishing, placing, compacting, and testing bedding and backfill material; furnishing, laying, restraining, and cleaning pipe and fittings; furnishing and placing foam pads and other methods Swift Green Line—Corridor Stations Special Provisions SP92 May 2017