civil work

Amount

Earth work excavation for foundation in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 10 mts and initial lift of 2 mts. and clearing and levelling the site, etc., complete complying with standard specification.

Supplying and filling in foundation, basement, etc with Crushed Stone sand filling in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Supplying and filling of gravel by lorry in basement filling including conveyance loading and unloading charges and all other incidential charges filling laying watering and consolidation etc., complete as directed by the Dept., Officers with standard specification.

Supplying and filling in foundation, basement, etc with Stone Dust in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Cement concrete 1:5:10 (one cement five sand and ten hard broken stone) using 40mm size / ISS hard granite broken stone jelly for foundation and floooring including dewatering if found necessary and laid in layers of notmore than 15cm thick complete complying with standard specification and as directed by the departmental officers.

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid over silver oak joists of size 10cm x 6.5cm spaced at about 75cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting steel centering for sides and soffits including supports and strutting upto 3.29m height for plane surfaces such as RCC floor slab, roof slab, rectangular, square tee or ell beams, lintels, staircase, waist slab, landing slab, landing beam, portico slab, portico beams in all floors with all cross bracings using mild steel sheets of size 90cmX60cm and 10 gauge stiffened with welded mild steel angles of sizes 25mmX25mmX3mm for boarding laid over silver oak joists of size 10x6.5cm spaced at about 90cm centre to centre suppported by casurina props 10cm to 13cm dia spaced at 75cm centre to centre etc. complete complying with standard specification and as directed by the departmental officers.

For Plane surface such as RCC floor slabs, roof slabs, rectangular beams, Tee beams, Ell beams, lintels, landing slabs, waist slabs, canopy slabs etc.

For plane surfaces such as rectangular or square RCC columns, sunshades, top and bottom slab of RCC boxing, etc.

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 store jelly for all RCC items of works with minimum cement content of 325 kg/m3 and maximum water cement ration of 0.55, including admixture (plasticiser/Super plasticiser) in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improveworkability without impairing strength and durability with about (5 cu.m.) 7730 kg of 20mm machine crushed stone jelly and with about (3.3 cu.m.) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m.) 7670 kg. of sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing etc., and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary and bearing surfaces of walls, beams 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 requirements of IS Standards. (No separate payment will be made by the Department for the excess usage of mateials).

For Foundation and Basement

S.S. in Ground Floor.

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills for all RCC works as per design given including cost of steel and G.I. binding wire in all floors etc., complete complying with standard specification. and as directed by the departmental officers. (Contractor has to make his own arrangements for the supply of steel and binding wire).

Construction of Brick work in cement mortar 1:5 (One cement and five sand) using using best quality II class Ground moulded chamber burnt bricks of size 9" x 43/8"x 2 3/4"in for foundation andbasement and super structure,complying withstandard specification including curingetc complete as directed by the departmental officers.

For Foundation and Basement

S.S. in Ground Floor.

Weathering course in brick jelly lime concrete using broken brick jelly of size 20mm uniform gauge in pure slaked lime (no sand to be used) to the proportion of brick jelly to lime being 32:12.5 by volume and laid over the RCC roof slab in a single layer of required slope and finished by beating the concrete with wooden beaters of approved pattern, keeping the surface constantly wet by sprinkling lime jaggery water, etc., complete as per standard specification and as directed by the deparmental officers.

Finishing the top of roof with one course of machine pressed tiles of size 230mm x 230mm x 20mm of approved quality set in Cement Mortar 1:3 (One Cement and Three Sand) 12mm 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 complying with standard specification and as directed by the departmental officers.

Paving the floor with pre-polished concrete anti-skid step tiles (Required shape and design) of 20mm thick of approved quality and colour laid in Cement Mortar 1:3 (One Cement and Three sand) 20mm thick and pointed with white cement mixed with colouring pigment at the rate of 0.40 Kg. / sq.m., curing, etc., complete complying with standard specification and as directed by the departmental officers. (The make and brand of the tiles should be got approved by Executive Engineer before use on works).

Plastering with Cement Mortar 1:5 (One cement and Five sand), 12mm thick in all floors including curing etc. complete complying with standard specification and 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 Sand) 10mm thick including hacking the surfaces, providing cement mortar nosing, beading for sunshades, staircases, steps, landing slabs and curing, etc., in all floors complying with standard specification and as directed by the departmental officers.

Painting two coats of newly plastered wall surface with ready mixed Exterior emulsion paint of first class quality and of approved colour over a priming coat including thorough scrapping, clean removal of dirt, and including necessary plaster of paris putty, wherever required etc., complete complying with standard specification.

Plain Cement Concrete 1:2:4 (one cement, two sand and four hard broken stone jelly) using 20mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.

Dadooing walls with following best approved quality, white / colour glazed tiles of following sizes set in Cement Mortar 1:2 (One Cement and Two sand) 10mm thick and pointing the joints with white cement mixed with colouring pigments at the rate of 0.40 Kg. / sq.m. neatly in all floors, curing, etc., complying with standard specification and as directed by the departmental officers.

Dadooing with granite tiles of synthetic grey, paradise, and similar varieties of suitable sizes

Manufacturing, Supplying and Fixing of Stainless Steel Hand rails for staircase near wet riser using 50mm dia 304L Grade Stainless Steel pipe of 1.60mm thick will be provided with tubular supports made of 304L Grade Stainless Steel pipe of 25mm dia of 1.60mm thick welded to the railing. The supports will be grouted into the wall and provided with 93.00mm thick Stainless Steel circular base plate of 304 Grade. The rate shall included for grouting into concrete with necessary supporting arrangements the hand rail in floor polishing buffing, bonding, cutting, grinding, conveyance, welding charges, electrical charges, etc. complete

Wiring with 2 x 1.5 sq.mm. (22 / 0.3) PVC insulated single core unsheathed copper conductor of 1100V grade in suitable PVC rigid pipe concealed in wall and ceiling with PVC accessoires in flush with wall with 3mm thick hylum sheet cover with TW switch box and 5A FT switch and making good of the concealed portion with suitable colour for PVC concealed light / fan Point (for electronic regulator) (5 points per coil)(SD-25).

Wiring with 2 x 1.5 sq.mm. (22 / 0.3) PVC insulated SC unsheathed copper conductor of 1100V grade in suitable PVC rigid pipe on wall and ceiling with PVC accessories with 150mm x 100mm x 113mm TW switch box in flush with wall with 3mm thick hylem sheet cover for 5A 3 pin non inter locking wall socket with 5A flush type switch with painting of suitable colour with continuous earth wire connection of 14 SWG TC wire for open PVC plug point (SD-37).

Supplying and fixing of single box type 4'36W Flu. fitting complete with electronic ballast with TW round blocks on wall or ceiling with flu tube with PVC unsheathed copper leads from terminals to the fitting (SD-87).

Supply and fixing of 1200mm (48") AC ceiling fan complete with stepped electronic 300W regulator with 300mm down rod on the existing clamp. (SD-110).

G Velu