Scope of Services to Provide Maintenance for Drainage Pipes at the Battery Parking Garage
Remove and replace all damaged Cast Iron drainage pipe (no hub) and fittings at the Battery Parking Garage. 518 Linear feet Pipe
Cast Iron pipe manufacturer shall bel
1.Krupp Foundry
2.Central Foundry
3.Tyler Foundry
4.Or Engineer approved equal
Cast Iron fittings shall be manufactured by:
1.Clow & Son
2.Crane Co.
3.Grabler Mfg Co.
4.Grinnell Co
5.Kuhn Bros.
6.Stockham Mfg Co.
7.Flagg
8.Or Engineer approved equal
Materials shall be new and of the best quality of their several kinds and in all cases acceptable to the Engineer.
No-Hub Cast iron pipe and fittings shall conform to the Standard Specifications for Cast Iron Soil Pipe Institute Standard 310-97. Pipe and fittings shall be of a grade known as service weight. Manufacturers name must be cast or stamped on each length of pipe and on each fitting. Pipe and fitting shall be coated.
Contractor shall ensure that pipes are installed to match existing grading at a run of not less than 1/8" per foot.
All piping shall have reducing fittings if required. No bushings will be permitted on any piping without Engineer's acceptance.
Replace clevis hangers, hanger rods and supports where required.
No chains, metal straps or wire will be permitted to be used for pipe supports.