Annual Maintenance works for 294 TNGRHS Flats at NHS and 304 TNGRHS Flats at TUC in Thanjavur

Amount

Maintenance work

Construction of Inspection Chamber of following size with HBS jelly concrete 1:8:16 (One of Cement, Eight of Sand and Sixteen of HBS jelly) using 40mm gauge HBS jelly 15cm thick for foundation and 23cm thick brick masonry in CM 1:5 (One of Cement and Five of Sand) using third class kiln burnt country bricks of size 8-3/4" x 4-1/4" x 2-3/4" (22x11x7cm) having minimum average crushing strength of 35 Kg/sqcm plastering with CM 1:3 (One of Cement and Three of Sand) 12mm thick on all sides including earth work excavation RCC 1:2:4 (One of Cement, Two of Sand and Four of 20mm gauge hard broken stone jelly) 5cm thick precast cover slab excluding the cost and fabrication of reinforcement grills but including benching chanelling fixing cover slab in position curing finishing etc. complete in all respects. (60 x 60 x 60 CM)

Supplying and fixing of Precast slab 50 mm thick made in CC 1:2:4 (One of cement, two of sand and four of hard broken stone jelly) using 20mm size hard broken stone jelly including the cost of slab, moulding, laying, curing, transportation, pointing for approach slab and other similar works as directed by the departmental officers.

Supplying, fabrication and placing in position of Mild steels Grills / Ribbed TOR steels for reinforcement for all floors including cost of steel, binding wire, bending, tying, etc. all complete complying with relevant standard specifications and as directed by the departmental officers.

Supplying and Fixing the following dia PVC (SWR) Pipe Type 'B' class conforming to IS 13592 and relevant specials conforming to IS 14735, including packing the joints with rubber lubricant fixing them into walls with necessary GI clamps and 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 in all respects and as directed by the departmental officers.( Above Ground Level)

110mm dia PVC SWR Pipe 'B' Type including all required PVC specials etc. all complete

75mm dia PVC SWR Pipe 'B' Type including all required PVC specials etc. all complete

Supplying and Fixing the following dia PVC (SWR) Pipe Type 'B' class conforming to IS 13592 and relevant specials conforming to IS 14735, including packing the joints with rubber lubricant fixing them into walls with necessary GI clamps and 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 in all respects and as directed by the departmental officers.( Below Ground Level)

110mm dia PVC SWR Pipe 'B' Type including all required PVC specials etc. all complete

Supplying, laying, fixing and joining the following PVC pipes as per ASTM D-1785 of Schedule 40 of Wall thickness not less than that specified in IS 4985 suitable for plumbing by threading of wall thickness including the cost of suitable PVC/GI specials /GM specials like elbow, tee, reducers, plug unions, bend, coupler, nipple, GM gate valve, check and wheel valve etc., wherever required above the ground level including the cost of fixing materials, special clamps, nails etc., fixing on wall to the proper gradiant and alignment and redoing the chipped off masonry etc., complete in all respects complying with relevant standard specifications and as directed by the departmental officers 32 mm Dia PVC Pipe Below Ground Level

Special Ceiling Plastering in CM 1:3 (One of Cement and Three of Sand) 10mm thick for bottom of sunshade, ceiling in all floors, including scaffolding, curing, finishing etc. complete in all respects.

Sub Total

R K ENGINEERING