Repairing and Maintenance 3.3 KVA Control Room VCV repair and renovation of 33 KVA sub station and Control room at WTP Motijheel file nO. C-13X21X9/2

Amount

Repairing and maintenance of 3.3 KVA VCB servicing and repairing/replacement material of its at W.T.P. Motijheel as follows : Drive road with slide seal shaft Porcelain insulator Motor charged mechanism assembly umg-14 with close trip collsand charging handel Spring charging motor 110V DC Spring charging handel Gear box assembly Slow closing handle Motor cut off switch cherry Triping shaft with spring & trip strip Tripping spring assembly Closing shaft with spring close strip Closing spring assembly Closing coll assembly kindly specify voltage Triping coll assembly kindly specify voltage Big cam with main shaft Trip catch with all leakage assembly Auxilary switch 7 no. + 7NC ratchet wheel with key of power with pins TNC switch Ashid over current earth fault relay adr 141 Buffer assembly Panel indicating lamp 30 Volt DC 22.5 mm led Manually ampere meters suitable for 600A T-connector for panther with 2 plain and 1 spring washer in each nut bolt DC hooter for Alarm 30V CT connector clamp

Providing and fixing split Air conditioner (A.C.) capacity 2 tone with all accessories such as stablizer etc.

Providing and fixingof 10 H.P. 1450 rpm coupling on base frame Kirlosker make vaccume pump PV-50 with frame and its controll panel.

Replacement of complete G.I. Fitting, nipple, socket, union and vaccume pump installation with and testing trial of 5 nos. 5 MGD pumps at pump house Motijheel.

Electric fitting charge for fitting of LED light with under wiring in false ceiling complete wiring including labour and material.

Providing and fixing L.E.D. light

Cleaning jungle including up proofing of rank vegitation grass, brush, wood upto 30 m. above ground level and removal of rubbish upto distance of 50 m out side the periphery of the area closed.

Providing and laying in position cement concrete of specified grade excluding cost of centering and shuttering all work upto plinth level. Cement concrete grade M-20 (Nominal size) with 20 mm maximum size of stone aggregate. VCB controll room 4.50x7.50x0.10m = 3.37 Cum 7.55 x 2.90 x 0.10 = 2.189 Cum 5.564 Cum

Providing and laying in position cement concrete of specified grade excluding cost of centering and shuttering all work upto plinth level. Cement concrete grade M-10 (nominal mix) with 20 mm maximum size of stone aggregate. Old W.T.P. yard 31.5x13x0.10M = 40.95 Cum New W.T.P. yard 1 - 25.50x6x0.10m = 15.30 Cum New W.T.P. yard 2 - 28.50x15x0.10m = 42.75 Cum 99.00 Cum

Brick work with well burnt chimney bricks in bulls patent trench kiln, crushing strength not less than 25 kg./sqcm. And water absorption not more than 20% in foudnation and plinth. Cement mortar 1:6 (1 cement : 6 coarse sand) Old plant VCB control room :

Dismantling old plaster of skirting upto 15 mm. Thickness, raking oout joints and cleaning the surface upto two floor level I/c. disposal of rubbish within 50 meter lead and I/c.

12 mm thick cement mortar plaster of mix 1:5

Providing and applying plaster of Paris putty of 2 mm thickness over plastered surface to prepare the surface even and smooth complete.

Finishing walls with deluxe multi surface paint system for interiors and exterior using prime as per manufacture specification two or more coat applied @ 1.25 ltr./10sqm. Over and inclduing one coat of special primer applied @ 0.75 ltr./10 sqm.

Providing and fixing at ll height false ceiling including providing and fixing frame work made of special section power pressed from M.S. sheet and galvanized in accordance with ainc coating of grade 350 as per IS 277 and consisting of angle cleats of size 25 mm wide x 1.6 mm thick with flanges of 22 mm and 37 mm at 1200 mm center to center one flange fixed to the ceiling with dash fastener 12.5 mm dia. x 40 mm long with 6 mm dia. Bolt to the angel hangers of 25 x 25 x 0.5 mm of required length and other end of angel hanger being fixed with nut bolt to G.I. channels 45 x 15 C 09 mm running at the rate of 1200 mm center to center which the ceiling section 0.5 mm thick bottom wedge of 80 mm with tapered flanges of 26 mm each having clips of 10.5 mm at 450 mm center to center shall we fixed indirection perpendicular to G.I. channel with connecting clips made out of 2.64 mm dia. 230 mm long G.I. wire at every junction including fixing the gypsum board with ceiling section and perimeter channels 0.5 mm thick 27 mm high having flanges of 20 mm and 30 mm long, the perimeter of ceiling fixed to wall/partition with the help of rawl plugs at 450 mm

Providing and fixing glazing in aluminium door, windows, ventilator shutters and partitions etc. with PVC/neoprene gasket etc. Complete as per the architectural and the direction of engineer in charge (coat of aluminium snap beading shall be paid in basic items. With float glass panes of 8 mm thickness.

Kota stone 25 mm thick flooring over 20 mm (average) thick base laid over and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing complete with base of cement mortar (1 cement : 4 course sand) (minimum size of kota stone 0.25 sqm.)

Providing and fixing 1 mm thick M.S. sliding - shutters with frames and diagonal braces of 40x40x6mm angle iron, 3 mm M.S./gusset plates at the junction and corners 25 mm dia pulley 40x40x6 mm angle and T-iron guide at the top and botton respectively including applying a priming coat of approved steel primer.