Maintenance and Repair works to the Corporation Middle School PN Palayam in ward no 49 Central zone, Coimbatore Corporation

Amount

1.Dismantling existing damaged brick work in cm etc complete

2.Earth work excavation in all kinds of soil including sand, silt, wet sand under water, black cotton, stiff black cotton, clay, hard stiff clay, hard red earth, murram, stoney earth, gravel and shales etc. excepting all kinds of rock and boulders exceeding 0.014 c.u.m. in volume including rough dressing and dumping the excavated materials away from work site manually within 50m initial lead and 2m initial lift as per the direction of Engineer-in-charge.

3.Cement concrete 1:4:8 (one cement, foursand and eight aggregate) using 40mm hardbroken granite stone jelly for foundationincluding dewatering if found necessary andlaid in layers of not more than 15 cm thickand compacted etc.,complete complying witstandard specification.

4.Supplying, fabricating and placing in position TMT/CTD rods for all RCC works including cost of steel and binding wire also in all floors complete complying with standard specification

5.Supplying and erecting SHUTTTERING including necessary supports for plane surfaces such as RCC COLUMN FOOTING, PLINTH BEAM, etc., in all floors using mild steel sheets of size 90cm X 60Cm and BG 10 stiffened with welded mild steel angles for boarding supported by Casuarinas props at suitable intervals etc., complete complying with standard specification and as directed.

6.Supplying and erecting centering for sides soffits including supports and strutting upto 3.29m high for plain surface such as rectangular column top and bottom slabs of boxing, sill, slabs, sun shade etc., in all floors using mild steel slabs of sizes 90cm x 60cm and BG 10 stiffened with welded mild steel angles of size 25X25x3mm for boarding laid over country wood joists of size 10cm X 6.5cm spaced at about 90cm C/C and supported by casurina props of 10cm to 13cm dia spaced at 75cm C/C

7.Reinforced Cement concrete 1:1.5:3 (one cement, one and a half sand and three aggregate) using 20mm hard broken granite stone jelly for all RCC items of work excluding centering, shuttering, and cost of reinforcement grill but including curing finishing, vibrator charges etc., complete and also including fixing fan clamps and fixtures in RCC works wherever necessary as directed by departmental officer etc., complete.

8.Brick work in cement mortar 1:5 mix using Fly Ash bricks of 230x110x70mm including cost of materials and labour charges etc., as per standard specification

9.Supplying, fabricating, erecting structural steel work for roofing welded or bolted type using MS channels, angles, plates and round bars etc. conforming to IS specification including primer coating and enamal painting as per Design given by the departmental officers etc, complete as per standard specification

10.Roofing with Pre painted Galavalume sheet 0.47mm thick with necessary bolt and nuts and washers including allmaterials and labour charges etc complete - 10m2

11.PLASTERING with cement mortar 1:5(one cement and five sand by volume) 12mm thick for all internal/external surfaces like super structure, rainwater, ducts, elevation in all floors complying with standard specifications.

12. Flooring with 20mm thick cement concrete 1:3 mix (no sand to be used) using 3mm to 10mm ISS gauge HBBG chips and the surface rubbed hard and finished smooth with neat cement Ellise pattern surface 1 sort

13.Wiring with 2x1.5 sqmm(22/0.3) PVC insulated SC unsheathed Cu.conductor of 1100V grade in suitable PVC rigid Pipe on wall and celling with PVC accessories and with TW Switch box and 5A.F.T. Switch with painting of suitable colour for open PVC light point/Fan point(For Electronic Regulator

14.Wiring with 2x1.5 sq.mm (22/0.3) PVC insulated SC unsheathed Cu.conductor of 1100V grade in suitable PVC rigid Pipe on wall and celling with PVC accessories, In flush with wall, with 150mmx100mmx113mm TW switch box wall 3mm thick Hylem sheet cover for 5A 3 pin non inter locking CS Plug with continuous earth wire connection of.14 SWG TC wire and making good of the open PVC plug point

15.Wiring with 2x4 sqmm(56/0.3) PVC insulated SC unsheathed Cu.conductor of 1100V grade in suitable Pipe on wall and celling with PVC accessories with 150mmx100mmx63mm TW switch box for 15 A 3 pin non inter locking CS plug with painting of suitable colour, with continuous earth wire connection of 14 SWG TC wire for open PVC power plug point

16.Supply and fixing of 1200mm (48") sweep AC ceiling fan complete with stepped electronic 300W regulator with 1 metre down rod with fan clamp with side plates and cross arm of size 450mm (18")

17.Supply and fixing of Single box type 4’40W flu fitting complete with copper choke and condensor with TW round blocks on wall or ceiling with flu tube with PVC unsheathed copper leads from terminals to the fitting

18.supply and fixing of 30W LED street light fitting with LED (Lower end) with 25mm dia. GI pipe (class B) with 1 no.25mm GI bend complete on the existing post/ on wall with PVC unsheathed copper leads with MS clamps and with painting .

19.Painting with approved Plastic Emulsion paint approved quality and colour two coats for wall surfaces including thorough scrapping, clean removal of dirt, etc complete and including necessary plaster of paris, putty, wherever required etc, complete as per standard specification.

20.Painting with approved emulsion paint approved quality and colour two coats over prime coat for wall surfaces etc, complete as per standard specification.

21.Painting with enamel paint two coats over prime coat for new iron works using good quality and approved colour etc. completed.

22.Painting with enamel paint two coats for old iron works using good quality and approved colour etc. completed.

23.Painting with green board/black board paint two coats etc complete

24.Providing and laying of Rubber Moulded Hydraulic Pressed Paver Block size 63mm thick in uniform shape of approved make to be laid in lorrying bone pattern with approved non sticking surface in the top and the rate including leveling the base, preparation of sub base with sand cushion 100mm thick, laying out the pavement, cut the pieces to fit the edge, vibrating the pavers, sweeping the sand grouting, providing transporting, loading unloading and laying of paver block as per standard specification

25.Supplying and fixing of Chain Link 2 " x 2" Using 10 Gauge Galvanised Wire ( of all Sizes ) 10 mm Gauge GI Chain link fencing with best quality including cost of chain link and labour charge for fixing etc., compelte complying with standard specifications and as directed by the dept officer