NAMAKKAL CITY MUNICIPAL CORPORATION - Repair and maintenance of pumping main from Mohanur head works to SP Puthur OHT

Earthwork excavation in all classes soils and subsoil except hard rock requiring blasting with initial lead and lift as initial lead of 10.0 m and lift 0f 2.00 m including re-filling the sides of foundation in layer of 15cm thick watering ramming depositing the surplus earth in the premises as directed by the departmental officers etc., complete complying with standard specification.

Removing the burst C.I. pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipeline with sound pipe including jointing and cost of refilling the pipeline with water for retesting the pipe line etc complete. (excluding cost of sound pipe and jointing materials and earth work) and as directed by the departmental Officers.

200mm pipe

250mm pipe

300mm pipe

350mm pipe

Supplying & Delivery of Pipe & Specials As per TWAD Schedule of rates.

200mm DI pipe CLASS K9

250mm DI pipe CLASS K9

200mm CID joint

250mm CID joint

300mm CID joint

350mm CID joint

Grease

3"x5/8" bolt & nuts

3/4" oil rope

Yarn rope

50 mm Air ball

80mmAir ball

100mmAir ball

125mm air ball

150mm air ball

200mm air ball

RUBBER INSERTION SHEET

Jointing the C.I/ D.I - S/S pipes and specials with molten lead and Yarn including caulking the joints. (Including cost of jointing materials)

200mm joint

250mm joint

300mm joint

350mm joint

500mm joint

700mm joint

Lowering of D.I Pipes and specials in the trenches and laying to proper grade and alignment and as directed by the TWAD Officers.

200mm DI pipe

250mm DI pipe

Labour charges towards repair and fixing of joints and pipes of specials etc..,complete

Fitter II class

Mazdoor Category-I

Removing the burst A.C. Pipes from the pipe line and removal of slushy soil and baling out water and replacing the pipe line with sound pipe including jointing and cost of refilling the pipe line with water for retesting the pipe line etc complete (excluding cost of sound pipe and jointing materials and earth work) and as directed by the TWAD Board Officers

150mm dia AC. Pipes

200mm dia AC. Pipes

250mm dia AC. Pipes

300mm dia AC. Pipes

350mm dia AC. Pipes

Collection supply and filling of M-Sand filling approved quarry including cost and Conveyance of all materials to site and all labor charges for filling etc., Complete.

Refilling excavated earth including cost and conveyance of earthfrom approved quarry to working site and stacking to departmental gauge for pre measurement including labour for spreading complete as per specification.

Providing and laying, spreading and compacting graded stone aggregate to Wet mix macadam (WMM) specification including premixing the material with water at OMC in mechanical mix plant carriage to mixed material by tipper to site laying in uniform layers with paver in sub base / base course on well prepared surface and compacting with vibratory roller to achive the desired density complete as per clasue 406 of MORTH specifications.

PlainCement Concrete 1:11/2:3 (one part of cement1.5 part of sand and three part of broken stone) using 20mm ISS size hard granite machine crushed metal from approved quarry to working site including cost of convayance of all materials to working site and all labour charge for mixing, placing, compaction, finishing and curing by the direction of departmental engineers instruction etc, complete and as per standard specification.