Working Estimate for Annual Maintenance of 318 TNGRHS Flats at Kajamalai South, Trichy for the year 2025-2026.

Amount

Maintenance Works

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..

Supplying and fixing in positon Indian Water Closet (Oriya type) of size 580 x 440mm white glazed earthern ware of approved quality and brand with “P” or “S” trap conforming to BIS with crushed stone sandcushion and forming flooring alround the closet using 40mm broken brick jelly in lime concrete 1:2:5 (One lime, Two crushed stone sandand Five brick jelly) 100mm thick and finishing the top to the required slope and including giving necessary connection to PVC pipes (including the cost of 110mm dia PVC pipe for a length of 600mm) by dismantling brick masonry wall / reinforced cement concrete roof / floor slab and making good the dismantled portion to the original condition with leakages etc., complete complying with standard specifications and as directed by the departmental officers. (The water closet should be got approved by the Executive Engineer before use on works).

Supplying and fixing in position best quality cuddapah sink of following sizes including cost of 32mm dia CP waste coupling, 32mm dia PVC waste pipe with rubber plug and chain, 15mm dia brass nipple including fixing the sink in position and testing for leakages etc., complete complying with standard specifications excluding CI brackets. [The sink and specials should be got approved by the Executive Engineer before use on works] (0.60m X0.45m).

Wiring with 1.5sqmm copper PVC insulated unsheathed single core cable 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 1.5sq.mm copper PVC insulated unsheathed single core Multi strand Fire Retardant 1.1 KV grade copper cable with ISI mark conforming to ISI :694/1990 in fully concealed PVC rigid conduit pipe heavy duty with ISI mark with suitable size MS box of 16g thick concealed and covered with 3mm thick laminated hylem sheet for Light Point with Ceiling Rose controlled by 5 amps flush type switch including circuit mains, cost of all materials, specials, etc., all complete.

Wiring with 1.5sqmm copper PVC insulated unsheathed single core cable 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 1.5sq.mm copper PVC insulated unsheathed single core Multi strand Fire Retardant 1.1 KV grade copper cable with ISI mark conforming to ISI :694/1990 in fully concealed PVC rigid conduit pipe heavy duty with ISI mark with suitable size MS box of 16g thick concealed and covered with 3mm thick laminated hylem sheet for Light Point with Bakelite Battern Holder controlled by 5 amps flush type switch including circuit mains, cost of all materials, specials, etc., all complete.

Run of main with 2 wires of 2.5 sq.mm. copper PVC insulated unsheathed single core 1.1 kv grade cable with continuous earth by means of 1.5 sqm copper PVC insulated unsheathed single core1.1. k.v. grade cable in fully concealed 19mm/20mm dia rigid PVC conduit pipe heavy dutywith ISI mark cost of all materials specials etc., all complete.

Wiring with 1.5 sqmm copper P.V.C. insulated unsheathed single core 1.1.k.v. grade cable with continuous earth by means of 1.5 sqmm copper PVC insulated unsheathed single core 1.1.k.v. grade cable in unconcealed PVC rigid conduit pipe heavy duty with ISI mark with suitable size TW box of unconcealed and covered with 3mm thick laminated hylem sheet for 5 amps 5 pin plug socket point at Switch Board Itself including circuit mains cost of all materials, specials, etc., all complete.

Supplying and fixing 15amps 3 pin plug type socket on a suitable MS box 16g thick concealed and covered with 3 mm thick laminated hylem sheet inclusive of all connections and cost of all materials.

Sub Total

GST at 18%

M.Mohamed Hussain (BID ID -1544102)