Working Estimate for Annual Maintenance of 108 TNGRHS Flats at Thanthonimalai in Karur for the year 2025-2026.

Amount

Maintenance Works

Supply and fixing of porcelain (vitreous china) white colour Oriya type Indian water closet of size 580mm x440mm 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 32:12 1/2 by volume (No Sand) and top 75mm thick brick jelly concrete in CC 1:8:6 (one of cement ,eight of sand and sixteen of broken brick jelly) using 40 mm size brick jelly including plastering the sides of sunk portion in CM 1:3 (one of cement and three of 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.(Ground Floor).

Supplying and fixing in position best approved of BIS quality PVC rain water down fall pipes having a pressure of 4 kg. / sq.cm including cost of neceSORy PVC shoe, PVC bend, cast iron gratings of required diameter and special clamps, brass screws, nails, etc., and fixing of cast iron gratings at junction of parapet and the RCC roof slab including finishing neatly etc., complete. The rate shall be inclusive of cast of removable cast iron grating. The PVC pipe shall be fixed in wall with special type of “U” clamp at the centre of the pipe line in addition to those for more than 3.0 metre pipe length, etc., complete complying with standard specification and as directed by the departmental officers. - 110mm dia PVC Pipe for Three Floors.

Run off mains with 2 wire of 4 Sqm. Copper PVC insulated un sheathed single core 1.1.KV grade cable of single core multistrand fire retardent flexible copper cable with ISI mark confirming IS 694 /1990 with one run off 7/20 GI stay wire suspendedwith forcelain real insulaters at 1.0m centre to centre for support phase and neutral cable from top of streetpole to the house including all materialsetc., all complete for EB service connection including labour chargesfor fixing GI wire and MS angle. (For EB service connection for single phase).

Chipping of concrete and roughening the surface whereas required by manually to the full thickness without making damages to the concretre etc.,complete in all respects with relevant standard specifications & as directed by the departmental officers

Special ceiling Plastering and finishing the exposed surface of all RCC items of work such as slabs, beams, sunshades, facia, canopy slab, staircase waist slab, landing slab etc., with Cement Mortar 1:3 (One Cement and Three Plastering Sand) 10mm thick including mortar plasticizer at 200ml per 50Kg of cement used, hacking the surfaces and curing, etc., in all floors complying with standard specification and as directed by the departmental officers.

White washing two coats with freshly burnt white shell lime in all floors including cost of lime, blue powder fevicol type gum, brushes, scaffolding charges, etc., complete complying with standard specification and as directed..

Sub Total

GST at 18%

R BALUCHAMY (BID ID -1544122)