Working Estimate for Annual Maintenance of 96 TNGRHS Flats out of 168 TNGRHS Flats at Gandhigramam in Karur for the year 2024-2025

Amount

Working Estimate

Supplying and fixing of Porcelain (Vitreous china ) white colour Oriya type Indian water closet of size 580 mm x440 mm confirming to IS 2556 (Part III) of 1981 (glazing inside only) of approved make with P or S trap, including concrete filling the sunk portion with brick jelly lime concrete proportion of brick jelly to lime being 32:12½ by volume (No sand) and top 75mm thick brick jelly concrete in CC 1:8:16 (one of cement, eight of M sand and sixteen of broken brick jelly) using 40mm size brick jelly including plastering the sides of sunk portion in Cm 1:3 (one of cement and three of M sand) 12mm thick mixed with water proofing compound at 2Kg / m2 and top left rough to receive the floor plastering but including antisyphonage connection, including one coat of bitumen for the sides, bottom and curing etc., complete in all floors (In ground floor)

Supplying and fixing the 110mm dia. PVC (SWR) pipe type B class conforming to IS 13592 and relevant specials including packing the joints with rubber lubricant fixing them into walls with necessary GI Bolts and Nuts with special clamp made of MS angle/Flat including cutting, bending (excluding the cost of MS angle/flat) holding wherever necessary and making good of the dismantled portion with necessary connections to sanitary fittings etc., complete complying with relevant standard specifications in all respects and as directed by the departmental officers.

Supplying, laying, fixing and jointing the following PVC pipes as per ASTM D – 1785 of schedule 40 of wall thickness not less than the specified in IS 4985 suitable for plumbing by threading of wall thickness including the cost of suitable PVC/GI specials like Elbow, Tee reducers, Plug , union, bend, coupler, nipple etc., wherever required above ground level including the cost of Teflon tape, special clamps, GI Bolts and Nuts, nails, etc., fixing on wall to the proper gradient and alignment and redoing the chipped masonry after the pipes are laid etc., complying with relevant standard specifications & as directed by the departmental officers.

ASTM-D Schedule-40 Threaded PVC Pipe with necessary PVC / GI Specials - 25 mm dia. PVC pipe.

ASTM-D Schedule-40 Threaded PVC Pipe with necessary PVC / GI Specials - 32 mm dia. PVC pipe.

Run of main with 2 wires of 4 Sqmm Copper PVC insulated unsheathed single core Multi Strand Fire Retardant 1.1 KV grade copper cable with ISI Mark conforming to IS:694/1990 and with continuous earth by means of 2.5 sqmm copper PVC insulated unsheathed single core Multi Strand Fire Retardant 1.1 KV grade copper cable with ISI Mark conforming to IS:694/1990 in fully concealed 19/20mm dia rigid PVC conduit pipe with ISI mark etc. including cost of all materials, specials etc. all complete and as directed by the departmental officers.

Sub Total

GST at 18%

R BALUCHAMY (BID ID -1254641)