15th tied 2025-2026

Amount

Earthwork excavation and depositing on bank with an initial lead of 10m and lift of 2m in the following classification of soils as directed by TWAD Board officers. Hard stiff clay, block cotton, hard red earth shales, murram, ordinary gravel, stoney earth and earth mixed with small size boulders for foundation SS 20B First depth of 2m

Plain Cement Concrete 1:4:8 (one cement, four sand and eight hard granite broken stone of 40mm size ISS gauge ) for levelling course of foundation including mixing, placing, ramming,finishing curing etc. complete in accordance with specification and as directed by the TWAD Board Officers 1.5m to 4.5m Below GL

Reinforced Cement Concrete 1:1½:3 Mix (One part cement, one and half part sand and three part of aggregate)using 20mm size ISS HBG metal machine crushed from approved quarry including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing but excluding cost of reinforcement etc. Complete with std. Specifications.(Using Vibrator) For items 1.5m to 4.5m below GL

For items 0 to 1.50m below GL

For items 0m to 4.5m above GL

For items 4.50m to 7.32 m above G L

For items 7.32m to 10.98 m above G L

For items 10.98m to 14.64 m above GL

For items 14.64m to 18.30m above G L

Centering for soffits of RCC members including shuttering, strutting to the centering and providing supports etc. complete for the following members using MS sheets of suitable size of BG o10 stiffened with welded MS angle of size 25x25x3mm for boarding laid over I type of M.S. Truss of size 25x25x3mm spacing at about 90 cm C/C and supported by 40mm GI Pipe ( medium) spacing at 75mm c/c etc., complete complying with standard specifications for various heights and as directed by the TWAD Board Officers. The centering should be removed after the specified striping time of the concrete as per IS-456/1978. PLANE SURFACES Up to3.30m ht from GL Below G.L.

Above GL to 3.30 m(B1)@2.865m

5.30m to 6.30 m(B2) @ 5.73 m

8.30 to 9.30 m(B3) @ 8.595 m

11.30 to 12.30m above G L

Curved Surface 11.30 to 12.30m

Square column Below G.L.

0 m to 3.30m above G L

Exterior Emulsion paint Two coats with good quality of approved Emulsion paint including cost of all materials to site and all labour charges for mixing applying and proper curring etc., Complete as per Standard Specifications for 10 sqm

Supplying, cutting, bending, tying, fabricating and placing in position of steel rods for all RCC works including cost of steel and binding wire etc.The steel should conform to the relevant ISspecification and supplied with test certificate (Fe.415 grade as per IS specification No.1786/1985 and as amended from time to time) for delivery at site of work including loading, freight, unloading, stacking, transit insurance charges, taxes etc. complete.

Fabrication, supply, delivery and fixing of outside MS Ladder of 45cm clear wide made out of 50 mm x 50mm x 6mm MS angle for both sides and for steps at 30cm C/C welded jointed etc ., for I staging from GL to 1st level brace (weight 4.5kg/m) IInd and IIIrd staging upto floor slab and IVth staging from floor slab to roof top. Supply, delivery andfixing of 32 mm GI pipes medium for hand rails from I stageto IVth stage. RCC M30 Grade mix for Landing slab 5 nos. atGround Level- 1No. and above Ground Level - 4Nos. Supply and fixing of 32mm GI pipe medium for hand rails for the Landing slab. Supplying and fixing of MS Base plate of 100mm X 100mm X 6mm thick for fixing Anchore 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 TWAD board officers.

Earthwork excavation for in all soils and sub soils in hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders and to full depth as may be directed,except in hard rock,requiring blasting including shoring and shuttering and bailing out of water wherever necessary,refilling the sides of foundation with excavated earth or sand in layer of not more than 15cm thick.well rammed and consolidated and depositing on bank with initial lead and lift of 10m & initial lift of 2m and depositing the surplusr earth within the compound in places shown by the departmental officers with iniital lead and lifts,clearing and levelling the site etc., complete as per SS20B and as directed by departmental Engineers(TNBP No.17,23,24).

Refilling the excavated earth to pipe line trench including all charges etc., complete.

Provision for pipe connection arrangements for inlet outlet, scour and overflow etc., including cost of pipes, specials, valve, labour charge for lifting, aligning, cutting, threading, fixing and painting of GI pipes with two coats of approved quality enamel paint etc., complete (As per seperate estimate) 90mm 4Kg/cm2 PVC pipes

A Kalimuthu (BID ID -1443324)

A Justin Patturaj (BID ID -1441202)