Providing additional Work at Nehru kalaiarangam Construction of EB Room

Amount

Brick work in CM 1:5 (one cement & Five sand) using III class country bricks kiln burnt of size 83/4"X43/8"X 2 3/4" including finishing, curing, etc., complete complying with standard specification

Supplying and fixing of M.S. grill of approved design for open courtyard, grill, grill work to doors and window openings etc., using necessary mild steel flats for inner and outer members which should be fixed on edges including cutting the members, welding, grinding, one coat of priming coat using best approved quality red oxide primer, dismantling of walls / concrete if necessary, fixing and finishing the dismantled portion to original condition etc., complete complying with standard specification.

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 for RC slabs and beams with cement mortar 1:3 mix 10mm thick including hacking etc., complete 10 m2

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.

Painting two coats with approved cement paint over cement plastered surface ceiling and other new surface including cleaning prepering the surface and curing etc., complete

Earth work excavation for foundation in hard stiff clay, stiff black cotton, hard red earth, shabs murams and ordinary gravel and hard dravel including shoring, strutting, baling or pumping out water wherever necessary and refilling the sides of foundation with excavated earth in layers of 15cm thick and depositing the surplus earth at places as directed by the departmental officers with initial lead and lift - 10 m3

Supplying and filling in basement with M.Sand in layers of 15cm thick including watering and ramming to consolidation 1 m3

Plain cement concrete 1:4:8 mix (One cement four M.Sand and eight aggregate) using 40mm size ISS gauge HBBG metal including mixing, laying, consolidating, curing, cost and conveyance of all materials to site and all labour charges etc., complete as per standard specification - 1 m3 (detailed data for 10 m3 )

Supplying and erecting for shuttering, including necessary supports for plane surface in foundation and basement for RCC column footings, Plinth beams, staircase steps, etc., using mild steel sheets of size 90cm x 60cm and 10gauge, stiffened with mild steel angle of size 25mm x 25mm x 3mm for boarding, supported by silver oak joists of size 10 x6.5cm, spaced at about 90cm centre and supported by casurina props of 10cm to 13cm dia spaced at 75cm centre to centre complete, complying with standard specifications and as directed etc., complete - 1 m2

For Vertical surface 10% of

For column and sunshade 20% of

Providing and laying in position, standardised concrete Mix M25 grade in accordance with 1S456-2000, using 20mm and down graded hard broken granite stone jelly for all RCC item of work with minimum cement content of 350kg/m3and maximum water cement ratio of 0.50, including admixture plasticiserl super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workbility without impairing strength and durability with about (5.0 cu.m) 7730kg, of 20mm machine crushed stone jelly and with about (3.3cu,m)5156kg of 10-12mm machine crused stone jelly and with about |(4.79 cum)7670 kg of sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finhing curing ,etc,and providing fixture like fan clamps in the RCC floor/roof slabs wherever necessary without claiming extra 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 requirement of IS standrds.( noseparate payment will bemade by the department for the excess usage of materials)

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 inall floors etc. complete complying with standard specification. (Contractor has to make his own arrangements for the supply of steel and binding wire)

Finishing the top with one course of pressed tiles of size 20cm x 20cm x 20mm size laid in cm 1:3 mix mixed with water proofing compound as per Indian standard 2% by weight of cement used and pointed with the same mortar etc., complete - 10m2

R KANNUSAMY (BID ID -1113451)