Maintenance of School Building at Devar Colony in North Zone Ward No 14

Amount

Clean removal of cement plaster from walls and racking out joints 20mm deep including labour crapping and conversion charges etc.,

Dismantling Pressed Tiles & Weathering Course including labour crapping and conversion charges etc.,

Dismantling Plain Cement Concrete including labour crapping and conversion charges etc.,

Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel,stoney earth and earth mixed with small size boulders SS.20B and Sand, silt or other loose soil, wet sand,or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrock requiring blasting inclusive of shoring shuttering and baling out water and cleaning and levelling the site etc.,complete

Plain Cement Concrete 1:4:8 (one cement four fine aggregates and eight coarse aggregates) using 40mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges and all incidential charges such as water providing etc., complete as per standard specification

Brick work in CM 1:5 (one cement & five sand) using Country bricks of size 83/4"x41/4"x23/4"including finishing, curing, etc., complete complying with standard specification

Centering for soffits of RCC slabs of plane surface like lintels, beams ,etc.,including strutting 3m high using mild steel sheets of size 90cm X 60cm X and B.G 10 stiffened with M.S angles of size 25mm X 25mm X 3mm laid over silver Oak (C.W) joists of size 10cm X 6.5cm (spaced at about 90cm c/c )and supported dy casurina props of 10cm to 13cm dia (spaced of 75cm C/C) complying with standard specification and directed -

Providing and laying in position Standardised Concrete Mix M-20 Grade in accordance with IS 456 - 2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement contenet of 3250Kg/ 10cum and maximum water cement ratio of 0.55 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum), 7730Kg of 20mm machine crushed stone jelly and with about (3.3 cum), 5156kg of 10 - 12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of sand, but excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary without claiming extra cost etc., complete complying with standard specification and as directed by the departmental officers - The Coarse and Fine aggregates to be used should comply with the requiremnents of IS staandards. (No separate payment will be made by the Department for the excess usage of materials)

Plastering with cement mortar (1:4) 20mm thick in all floors including cost and conveyance of all materials to site and labour charges etc, complete complying with standard specifications

Plastering with cement mortar (1:5) 12mm ,thick in all floors including cost and conveyance of all materilas to site and labour charges etc,complete as per standard specifications

Plastering with cement mortar 1:3,10 mm ,thick in all floors including cost and conveyance of all materilas to site and labour charges etc,complete as per standard specifications

Weathering Course with Concrete Broken Brick (S.I.No.278) & ( P & D) Data 54.Jelly 20mm gauge in pure slaked lime (no sand to be added) over roof slab,the proportion of brick jelly to lime being '32 to 12.5 well beated with wooden beaters for giving required slope and thickness as directed by the departmental officers etc., complete.

Finishing the top of roof with one course of machine pressed tiles of size 200 mm x 200 mm x 20 mm of approved quality in Cement Mortar 1:3 (One Cement add three sand) 12 mm thick mixed with water proofing compound conforming to ISS at 2% by weight of cement used and the joints pointed neatly to full depth of tiles with the same cement mortar mixed with red oxide and water proofing compound including curing etc., complete

Painting two coats with ready mixed Interior Plastic Emulsion Paint approved quality and colour with Primer for Plastic Emulsion Paint, including thorough scrapping, clean removal of dirt, etc complete and including necessary plaster of paris, putty, wherever required etc, complete as per standard specification.

Painting two coats with ready mixed Exterior Emulsion Paint approved quality and colour including thorough scrapping, clean removal of dirt, etc complete and including necessary plaster of paris, putty, wherever required etc, complete as per standard specification.

Painting Two Coat with Ready Mixed Enamel Paint over the Old Iron works of approved quality and colour without priming coat including the cost all materials etc.,complete, in all floors.

Painting Two Coat with Ready Mixed Enamel Paint over the new Iron works of approved quality and colour without priming coat including the cost all materials etc.,complete, in all floors.

Supply and fixing of M.S Grills with Doors and Windows with one coat of Red oxide with Primer including all costs such as welding,grinding and fabrication charges, cost and conveyance of all materials to site etc,complete as per standard specification.

Supplying and laying Rubberised interlocking Paver block M35 grade of 63mm thick high strength type conforming IS 15658-2006 of rubberized interlocking paver lock in size of minimum compressive strength of 35 N/mm2 in uniform shape of approved make to be laid in flurring bone pattern with stone dust cushion below the uniform shap of approved non skitting surface in the top and the rate including levelling the base preparation of pavers as sub base, stone dust cushion 100mm thick laying out of pavement cut the pieces to fix the edge vibring the pavers,sweeping tranporting loading unloading of laying paver block as per standard specification,.

Wiring 2x1.5 sqmm (22/0.3) PVC insultated unsheathed sc cu conductor of 1100 V Grade in suitable PVC rigid pipe concealed in wall and ceining with PVC accessories with TW switch box and 5A F.T switch in flush with wall with 3mm thick hylam sheet cover for making good of the concealed portion with suitable colour for PVC concealed light / Fan point (for electronic regulator)

Supply and fixing of single box type 4'36 W 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

Supply and fixing of WT bulk head fitting with guard (Philips / Bajaj / Crompton / K. Lite) suitable for11W CFL lamp with CFL.

Wiring with 2x1.5sqmm(22/0.3)PVC insulated single core unsheathed copper cable of 1100V grade in suitable heavy guage MS conduit pipe on wall and ceilingwith MS accessories with 150mmx100mmx75mm MS switch box for 5A 3pin non interlocking flush typeCS plug with painting of suitable colour with continouns earth wire connection of 14SWG TC wire for open plug poijnt

Providing & fixing PVC RAIN WATER DOWNFALL PIPE of the following dia with necessary T.W.Clamps Plugs, Shoes,Bemds, other clamps, screws nails etc.,complete complying with standard specification. The rate is inclusive of cost of removable iron gratings of appropriate size. The size of Teak Wood plugs used is 150X25mm in front & 200x75mm in rear (wall side) with a depth of 110mm. The pipe is to be fixed by means of "U" clamps at the centre of pipes to be fixed.110mm dia PVC Pipe [4 Kg/SqCm]

Internal Water Supply - P.V.C. Pipes (6Kg/SqCm) Supplying laying and jointing P.V.C pipes (6Kg/SqCm) of approved quality and best variety conforming to I.S.S & with I.S.I mark, of the following sizes including cutting , Fixing to PVC specials using Adhesive but excluding cost of such specials and fixing to wall with necessary teak - Wood Plugs,PVC Clamps and screws,making holes on the wall or drilling holes in roof and making good the dismantled portions to original condition with necessary brick work and plastering wherever necessary with necessary scaffolding charges.

Supply and fixing of Syntex tank including cost and conveyance of all materials and labour charges etc., complete.

MURUGAN