CERTAIN REPAIRS MAINTENANCE CLEANING OF SEWAGE LINE, SEPTIC TANKS, SOAKAGE WELL, MANHOLES ETC IN RR UNITS AT DHARMUD UNDER AGE (I) BHALRA

Amount

Supply and fixing in repair of PVC (SWR) pipes 75mm dia any length single socketed with rubber ring joint, laid in trenches or floors including demolation by braking up drain pipe, complete all as specified and directed.

Supply and fixing in repair of PVC (SWR) except pipes 110mm dia any length single socketed with rubber ring joint, laid in trenches or floors including demolation by braking up drain pipe, complete all as specified and directed.

Supply and fixing of PVC (SWR) floor trap of 75mm dia of outlet, plain with grating including jointing with solvent cement fixed in repair, complete all as specified.

Supply and fixing of PVC (SWR) bends any radius 110mm bore, complete all as specified.

Desludging/dewatering/pumping/bailing out of contaminated water including cleaning of sludge, scum, silt (both organic and inorganic nature) and night soil from septic tank/soakage wells alongwith inlet / outlet chambers, manholes, soakage pits etc. of any capacity after plugging the incoming sewage lines by suction (vaccum) type machine mounted on LCV facility of high pressure vaccum including removing the contaminated water in same tank to a place outside cantonment to a distance exceeding 50 mtr but not exceeding 100 mtr and burying in pits including rough excavation of pits and carriage of sludge to pits including spreading well in pits after burying of sludge, covering the pits with 25cm thick layer of earth and spreading bleaching powder over the covered area, complete all as specified & directed.

Cleaning the blockage in IWC, EWC including rodding of CI pipe after opening the oval access door of CI bend, chamber etc. upto septic tank and including replacing the chamber cover etc. in position and removing the rubbish to a distance not exceeding 50mtr outside cantonment complete all as specified and directed.

Ceaning / clearing of sewage line (including manholes) 100mm to 150mm bore of any description, underground at any depth, removing any type of blockage including desilting, descaling & de-chocking of drains as well as manholes with combined high pressure rodding and flushing after clearing of manholes, including removing the sludge in the tank to a place outside cantonment at the place meant for the purpose by local municipality, all as directed by Engineer-in-Charge. Note : The contractor shall keep the sewage line functional throughout the contract period. The unit rate quoted by the contractor shall be deemed to be inclusive this aspect.

Demolition and breaking up drain pipes (Salt glazed ware, AC or Reinforced concrete) set in cement mortar, internal dia of pipe 150mm, complete all as specifed & directed.

Demolition and breaking up drain pipes (Salt glazed ware, AC or Reinforced concrete) set in cement mortar, internal dia of pipe 200mm, complete all as specifed & directed.

Material and labour for concrete bed to 160mm bore drain pipes including packing under, and haunching against the sides of pipes after they are laid in cement concret 1:4:8 type D-2 using 40mm graded stone aggregate, and tested, complete all as specified & directed.

Material and labour for concrete bed to 200mm bore drain pipes including packing under, and haunching against the sides of pipes after they are laid in cement concret 1:4:8 type D-2 using 40mm graded stone aggregate, and tested, complete all as specified & directed.

Supply and Laying of UPVC sewage UDS (under drainage system) pipes 160mm bore single socket , all thickness not less than 4.50mm type SN-4(IS-15328) type ‘A’ heaving nominal ring stiffness should be 2KN/m2 with one collar per length of pipe with all fittings and connecting to existing manholes by cutting out and making the surface good to pipe, and incl necessary returning filling and levelling to the affected portions, the UDS pipes should meet the pressure requirements as per IS 15328:2003 complete all as specified and directed by Engineer-in- Charge.

Supply and Laying of UPVC sewage UDS (under drainage system) pipes 200mm bore single socket , all thickness not less than 4.90mm type SN-4(IS-15328) type ‘A’ heaving nominal ring stiffness should be 2KN/m2 with one collar per length of pipe with all fittings and connecting to existing manholes by cutting out and making the surface good to pipe, and incl necessary returning filling and levelling to the affected portions, the UDS pipes should meet the pressure requirements as per IS 15328:2003 complete all as specified and directed by Engineer-in- Charge.

M/S SUSHEEL KUMAR Govt. CONTRACTOR (BID ID -3110877)

pargal builders (BID ID -3111408)