Public Health Engineering Department Tender

Construction of drive pit of 10 m length, 2.50 m width and 2.50 m depth from top of existing GL with all necessary excavation trenching, necessary shoring with close plank walling framing,UC/Jham ballah piling, strutting etc.,bailing out water from pit,construction of thrust bed and thrust wall with concrete M-20 and as per design with all precautions and safety measures to prevent any soil collapse and safety of railway track/raod (this item also includes the cost of dismantling thrust wall after completion of the work and filling upto its original condition as per specification,disposing of excavated extra earth to a lead of 75m. from the pits.)

Placement of 600 mm dia MS pipe below the railway track/road in proper line, alignment and depth as per direction of E.I.C by hydraulic jack pushing method including lowering the pipe segment to the drive pit and jointing the pipe segment with welding (not less than 3 runs ) with all necessary excavation from inside the pipe, fixing of intermediate jacking station at an interval of 10 mtr. if necessary and retrieving the driving shield and cleaning of pipe etc. all complete with hiring of necessary materials, machinery and labour including lowering, insertion, placing & jointing of 600 mm dia MS pipe as per direction & satisfaction of EIC.(The rate includes disposing of excavated earth with a lead of 75M from the drive pit )(cost of gas cutting and welding is not included in this item will be paid separately. Cost of intermediate jacking station will be paid separately). a) 600 mm dia. MS pipe.

Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc.(out side of 600 mm dia casing)