Construction of 30000 Litres capacity Over Head Tank of 12 m. staging height at Ward No-1 in karambakudi town Panchayat

Amount

Earth work excavation for foundation and depositing on bank with initial lead of 10 m and lift of 2 m in hard stiff clay, stiff black cotton, hard red earth, shales, murrams, gravely stoney earth and earth mixed with small sized boulders and hard gravelly soil including shoring, strutting, bailing out water wherever necessary and all other incidental charges and as directed by the Officers.

First depth of 2.00 m.

Second depth of 0.35 m.

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 course aggregate of 40 mm size hard blue granite broken stone) for levelling course including the cost of mixing, placing the concrete in position, consolidating finishing the ends complete and curing etc. complete and as directed by the Officers for works beyond 1.50 m from GL for footing.

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 325Kg/ cum 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 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 -

Below 1.50 m. from GL.

Upto GL.

Above GL. and upto 4.50 m. ht.

Above 4.50 m. and upto 7.32 m. ht. from GL.

Above 7.32 m. and upto 10.98 m. ht. from GL.

Above 10.98 m. and upto 14.64 m. ht. from GL.

Above 14.64 m. and upto 18.30 m. ht. from GL.

Centering for soffits of RCC members or plane surfaces including shuttering, strutting to centering and providing supports etc complete for the following members using MS sheets of size 90 cm x 60 cm BG 10 gauge stiffened with welded M.S. angles of size 25x25x3mm laid over silver oak (country wood) joist of size 10x6.5 cm (spaced @ about 90 cm c/c) and supported by casurina props of 10 to 13 cm dia (spaced at 75 cm c/c) and as directed by the officers.

Square surface:

Columns below GL and above GL. upto 3.30 m. ht.

Columns above 3.30 m. to 4.30 m. ht. from GL.

Columns above 4.30 m. upto 5.30 m. ht. from GL.

Columns above 5.30 m. upto 6.30 m. ht. from GL.

Columns above 6.30 m. upto 7.30 m. ht. from GL.

Columns above 7.30 m. upto 8.30 m. ht. from GL.

Columns above 8.30 m. upto 9.30 m. ht. from GL.

Columns above 9.30 m. upto 10.30 m. ht. from GL.

Columns above 10.30 m. upto 11.30 m. ht. from GL.

Columns above 11.30 m. upto 11.46 m. ht. from GL.

Plane Surface:

Below GL. and upto 3.30 m. height above GL.

From 5.30 m. to 6.30 m. ht. above GL.

From 8.30 m. to 9.30 m. ht. above GL.

From 11.30 m to 12.30 m. ht. above GL.

Curved Surface:

Upto 3.30 m. height. (From Floor slab).

Supplying, fabricating and placing in position of RTS rods for reinforcement for various members including cost of steel and binding wire for all RCC works as directed by the officers.

Painting two coats for Interior surface with approved Interior 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.

Supplying and fixing in position of cut stone set in C.M. 1:3 using well dressed cut stone supporting inlet pipe inside the tank and as directed by the officers.

Supply, delivery and fixing of pipes for OHT connections including civil works.

For Inlet arrangements.

65 mm GI pipes.

65 mm GI coupling.

65 mm GI Bend.

65 mm GI Flange set.

65 mm PVC Threaded coupler.

For Outlet arrangements.

65 mm GI pipes.

65 mm GI coupling.

65 mm GI Bend.

65 mm GI Flange set.

65 mm GM Gate valve.

75 mm PVC Threaded coupler.

For Scour arrangements.

65 mm GI pipes.

65 mm GI coupling.

65 mm GI Bend.

65 mm GI Flange set.

65 mm GM Gate valve.

75 mm PVC Threaded coupler.

For Over flow arrangements.

65 mm GI pipes.

65 mm GI coupling.

65 mm GI Bend.

65 mm GI Flange set.

75 mm PVC Threaded coupler.

Rubber insertion sheet.

Bolt and nuts.

Labour charges.

65 mm GI pipe - Cutting.

65 mm GI pipe - Threading.

Labour charges for lifting, positioning G.I pipes in vertical direction and providing interconnection with service reservoir.

Fabrication, supply, delivery and fixing of outside MS ladder of 45 cm clear wide made out of 50mm x 50mm x 6mm MS angle for both sides and for steps @ 30 cm c/c welded joint etc. for 1st staging from GL to 1st level brace (weight 4.50 kg/m) 2nd and 3rd staging upto floor slab and 4th staging from floor slab to roof top. Supply, delivery and fixing of 32 mm GI pipes medium for hand rails from 1st stage to 4th stage. RCC M30 Grade mix for landing slabs - 5 Nos. (ground level - 1 No. and above GL - 4 Nos.). Supply and fixing of 32 mm GI pipes medium for hand rails for the landing slab. Supplying and fixing of MS base plate of 100mm x 100mm x 6mm thick for Anchor fastener bolt for fixing of hand rails at landing slab and MS ladder, providing locking arrangements with two coats of approved enamel paint over one coat of red oxide paint as per approved type design and as directed by the officers.

Supply, delivery and fixing in position of CI man hole cover and frame of size 60 x 60 cm on roof slab and as directed by the officers. The manhole frame and cover should be of light duty and conforming to IS 1726 / 1974.

Supply, delivery and fixing in position of 150 mm dia. AC ventilators on the roof slab and as directed by the officers.

Earth Work Excavation for foundation in all types of soils and sub soils to full depth (such as Soils in Rock / Silt / Light Black Cotton Soil / Ordinary Soil ) except in rock requiring blasting but inclusive of shoring, shuttering and bailing out water wherever necessary and refilling the sides of foundation with excavated earth other than sand in layers of 150 mm thick well rammed and consolidated, depositing the surplus earth in places shown by the Departmental Officers with initial lead of 10 m and initial lift of 2 m. Complete as per TNSS 23 & 24, V, VI (S2), VII, 9,10

Supply and delivery of following HDPE PIPES PN-6 and Other materials of good quality including cost of materials and labour with cost for coveyence to site etc Complete complying with standard Specifications. etc.,

90 mm HDPE PIPES PN-6

90 mm HDPE Bend

90 mm Equal Tee

Lowering of HDPE PIPES PN-6 specials into trench and laying to proper Grade including all labour etc Complete complying with standard Specifications. etc., .,

90mm HPE PIPES PN-6

Refilling with excavated earth including all labour charges etc Complete complying with standard Specifications. etc., .,

K ASHOKKUMAR (BID ID -1483218)