Construction of Zonal Administrative Office Block B at Vembu Avenue area on Vadavalli Thondamuthur Road in Ward No 39 West Zone

Earthwork excavation for foundation in Hard stiff clay,stiff black cotton, hardred earth, shales murram, gravel, stoney earth and earth mixed withsmall size boulders SS.20Band Sand, silt or other loose soil, wet sand,or silt not underwater, 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 10 cum

a). Narrow Foundation

b). Open Excavation

Supplying and filling in foundation and basement with Crushed Stone Sand (M- Sand) in layers of not more than 15cm thick well rammed watered and compacted etc., complete complying with standard specification.

Plain Cement concrete 1:4:8 (one cement, four sand and eight aggregate) using 40mm hard blue granite metal by volume for levelling course in foundation trenches manholes inspection chambers etc., including charges for scaffolding , shoring , strutting, bailing out water if necessary ramming , consolidating cuing etc., cost and conveyance of all materials complete in all respects complying with relevant standard specifications at all leads &lifts inside the building

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 size25mm 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 dycasurina props of 10cm to 13cmdia (spaced of 75cmC/C) complying with standard specification and directed- 10 m 2 (P & D)Data 38

A)Columns

B)Footing and Grade Beam

C)Ground Floor Slab & Beam

D) First Floor Slab & Beam

E) Second Floor Slab & Beam

F) Headroom Floor Slab & Beam

Suppling and fabricating and placing in position MS (or)R.T.S. bar for reinforcement to all RCC works as per the design given including cost of steel and binding wire also in all floors.

Providing and laying in position Standardised Concrete Mix M-20 Grade in accordance with IS 456- 2000 using 20mmand down graded hard broken granite stone jelly for all RCC items of works with minimum cement contenet of 325Kg/cum and maximum water cement ratio of 0.55 including admixture (Plasticiser/ superplasticiser) in recommended proportions as per IS9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum),7730 Kg of 20mm machine crushed stone jelly and with about (3.3cum),5156kg of10-12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of Crushed Stone Sand (M- 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

a). Foundation & Basement

b ) Ground Floor Slab & Beam

c) First Floor Slab & Beam

d) Second Floor Slab & Beam

e) Headroom Floor Slab & Beam

Brick work in cement mortar 1:5 mix using Fly Ash bricks of 230x110x70mm (8 3/4" x 41/4" x 23/4") including cost of materials and labour charges etc., as per standard specification - 1m3

a). Foundation & Basement

b). Ground Floor

c). First Floor

d).Second Floor

e).Terrace Floor

Brick Partition Walls using III class country bricks of size 8 3/4"X4 1/4" X 2 3/4" in C.M 1:3 using hoop iron reinforcement,if found necessary standard specification including finishing, curing,etc., complete complying with standard specification - 10 sqm

a) Ground Floor

b) First Floor

Refilling with excavated soil (other than sand) complying with standard specification for filling in foundation and basement.(W-0075)

Supplying and filling the basement with Good Earth filling in layers of not more than 15cm thickwell rammedwatered and compacted- etc., complete complying with standard specification.

Supplying and fixing MS grill to doors windows and ventilators etc. as directed by the departmental officers inclusive of cost of MS grill and labour charges including one coat of red oxide and fixing in position etc. complete

Plastering with cement mortar 1:3 (One part of Cement and Three part of Plastering Sand (P-Sand)), 10mm thick in all floors including cost and conveyance of all materil as to site and labour charge setc,complete as per standard specifications

Plastering with cement mortar 1:5 (One part of Cement and Five part of Plastering Sand (P-Sand)) 12mm, 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) Data54. Jelly 20mm gauge in pure slaked lime (no sand to be added) over roof slab,the proportion of brick jellyto 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.-10 cum

Finishing the top of roof with one course of machine pressed tiles of size 200mm x 200mm x 20mm of approved quality in Cement Mortar1:3 (One part of Cement and Three part of Plastering Sand(P-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

Paving the floor with Double charged Vitrified tiles of approved quality and colour of size 600 x 600 x 8mm thick of approved make, quality and colour in all floors over a base layer of cement mortar 1:3 (One part of Cement and Three part of Plastering Sand(P-Sand)), 20mm thick and laid straight alignment and pointed neatly with colour cement at the rate of 0.40kg/m2 laid without anyair gap in the tiles neatly and fixing in position as per standard specifications and as directed by the departmental officer. The colour & quality of tiles should be got approved by Municipal Engineer before use on work

Paving the floor with design Anti skirt ceramic tiles(colour and shade as directed) of size 305mm x 305mm x 6mm in all floors over a base layer of cement mortar 1:3(One part of Cement and Three part of Plastering Sand (P-Sand)), 20mm thick laid in-situ and pointed with same coloured cement

Dadooing walls with ceramic tiles of sizes 300mm X 450mm X 8mm size of approved make and quality and colour Set in cement mortar 1:2(One part of Cement and two part of Plastering Sand(P-Sand)) over 10mm base layer plastering and pointing with white cement neatly as directed. (Sl.No.360f)

Painting two coats for Exterior surface with approved Exterior Plastic Emulsion paint approved quality and colour over a priming coat, including thorough scrapping, clean removal of dirt, etc complete and including necessary plaster of paris, putty, wherever required etc, complete as per standard specification. (Sl.No.404)

Painting two coats 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. (Sl.No.368)