CERTAIN REPAIRS / MAINTENANCE TO SEWGE LINE, SEPTIC TANKS, SOAKAGE WELL, MANHOLES ETC IN RR UNITS AT ARNORA, SARNA AND SUIGARH AREA OF 9 SECT UNDER AGE (I) BHALRA

Amount

Excavation in trenches not exc. 1.5m wide and not exc. 1.5m in depth; for foundation etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sqm on plan and getting out in any type of soil , complete all as specified and as directed.

Demolition and breaking up drain pipes (PVC (SWR)) set in cement mortar, complete all as specifed & directed.

Concrete bed to 110mm bore drain pipes including packing under, and haunching against the sides of pipes after they are laid in CM 1:3:6 (Nominal mix) type C-2 using 40mm graded stone aggregate, and tested, complete all as specified & directed.

Supply and fixing, 110mm bore PVC (SWR) pipes single socketed, in any length with rubber ring joints, laid in trenches or in floors complete all as specified & directed.

Supply and fixing, 75mm bore PVC (SWR) pipes single socketed, in any length with rubber ring joints, laid in trenches or in floors complete all as specified & directed.

Supply and fixing in repair, 75mm bore dia PVC floor trap (SWR) plain with grating including jointing with solvent cement to waste pipe complete all as specified & directed.

Supply & fixing in repair, 110mm PVC (SWR) bends any radious complete complete all as specified & directed.

Supply & fixing in repair, 75mm PVC (SWR) bends any radious complete complete all as specified & directed.

Demolition of brick work or stone masonry built in cement mortar including all quoins, pillars etc., but excluding ashlars facing, dressed stone work and precast concrete articles, complete all as specified as directed.

Material & Labour for brick work with sub class ‘B’ bricks straight or curved on plan exceeding 6m mean radius, built in cement mortar 1:6, complete all as specified and directed.

Material & Labour rendering 15 mm thick in cement mortar 1:4 on fair faces of brick work or concrete surfaces, finished even and smooth without using extra cement, complete all as specified and directed.

Demolition of cement concrete (unreinforced) of any description and in any position not otherwise specifically provided for complete all as specified and as directed.

Material & Labour for PCC 1:3:6, type C2 (using 20mm graded aggregate) as in surface channels and drains, complete all as specified and directed.

Demolition of cement concrete (reinforced) of any description and in any position not otherwise specifically provided for complete all as specified and as directed.

Material & Labour for providing precast cement concrete type B-1 (1:2:4) 20mm graded stone aggregate as in landings, cover slabs (for man holes etc) chullah hoods, chajjas, water troughs, mangers, shelves and similar articles set in cement mortar (1:6) , complete all as specified and directed.

Material and Labour for 10mm dia and over TMT bars, cut to length, bent to shape required including cranking, bending spirally for hoosping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips, complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick any type of soil, complete all as specifed and directed.

Removing excavated soils to a distance not exceeding. 50m and depositing where directed at a level not exceeding 1.5m above the starting point, complete all as specified and directed.

Cutting into existing manholes for connecting new drains, making good to pipe and rendering, cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in cement concrete 1:2:4 type B-1 smooth finished and reforming benching, as required for 150mm bore pipe, complete all as specified and directed.

Supply & fixing in repair, Vitreous China squatting pan, Orissa Pattern size 580mm x 440mm white with integral foot rests and PVC ‘P’ or ‘S’ trap (excluding flushing cistern and flushing pipe) including connection to trap & flushing pipe etc complete including making good to floor complete all as specified and directed.

Supply & fixing in repair, Vitreous China bowl urinal flat back size 430x370x340 with grating and union for discharge pipe (excluding flushing cistern, flush pipe and waste pipe) complete all as specified and directed.

Cleaning the blockage in IWC, EWC including CI pipe after opening the oval access door of CI bend, chamber including replace the broken chamber cover etc in position and removing the rubbish to a distance not exceeding 50 mtr all as specified and directed

Cleaning/ clearing of chocked sewage line (including manholes) 100mm to 150mm bore of any description underground at any depth, removing any type of blockage including desilting, descaling and 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 throught out the contract period. The unit rate quoted by the contractor shall be deemed to be inclusive this aspect.

Dewatering / pumping / bailing out of contaminated water from septic tank/ soakage wells alongwith inhelt / outlet chamberss, 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 the defence land complete all as specified and directed.

Desludging of sludge from septic tank by manually / mechanically alongwith inhelt / outlet chambers, manholes etc of any capacity after plugging the incoming sewage. Removing of sludge to outside the defence land and burying the same in newly excavated pit of suitable size and covering the same with 25 cm thick layer of earthg and spreading bleaching powder over the covered area, complete all as specified and directed

Concrete bed to 75mm bore drain pipes including packing under, and haunching against the sides of pipes after they are laid in CM 1:3:6 (Nominal mix) type C-2 using 40mm graded stone aggregate, and tested, complete all as specified & directed.

SINGH CONST CO (BID ID -3171155)