Muthur TP - 15th Finance Tied Grant 2nd Installment 2025-26 OHT retender

Amount

Earth work excavation below G.L. and depositing on bank within an initial lead of 10.00 m and an initial lift of 2.00 for the following classification of soil

In hard stiff clay, stiff black cotton soil, hard red earth, sales, murrams, gravel, stoney earth, earth mixed with small sized boulders and hard gravelly soil S.S.20B

In soft disintegrated rock, laterite, soft rock or kankar not requiring blasting

Supplying and filling in foundation and basement with filling M sand filling in layers of not more than 15 cm thick well rammed consolidated etc. complete complying with standard specification and as directed.

Plain Cement Concrete 1:4:8 Mix (one part cement, four part sand and Eight part of aggrigate) using 40 mm size ISS HBG metal from approved quarry including cost and conveyance of all materials to site. Loading and unloading charges and labour charges for mixing. Laying and curing etc., complete as per TNDSS NO : 28 & VI (S2) VI (S5A) VII standard specifications as directed by Engineer incharge.

For footing

Providing and laying in position Standardised Concrete Mix M-30 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 400Kg/ cum and maximum water cement ratio of 0.45 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 - The Coarse and Fine aggregates to be used should comply with the requiremnents of IS standards.

Column footing below 1.50 m from GL

Coloumn below GL upto 1.50 m

Column above GL upto 4.50 m

Column above 4.50 m upto 7.32 m

Column above 7.32 m upto 10.98 m

Braces at GL

Braces at 3.41 m from GL

Braces at 7.06 m from GL

Floor beam at 10.98m from G.L.

Floor slab at 11.58 m above G.L.

Side wall from 11.85m to 14.64m above G.L.

Haunches from 11.85m to 12.03m above G.L.

Side wall above 14.64 m to 15.40m above GL

Roof slab at 15.40m above G.L.

Supplying and erecting steel centering for sides and soffits including necessary supports and shuttering to the required height for RCC items using MS sheets of suitable size of BG.10 stiffened with welded MS angles of size 25mm x 25mmx3mm of boarding, laid over silver oak joints of size 10cm x 6.5cm spaced at 90cm centre to centre complying with standard specifications

Column footing (plane surface)

Square Column:

Column 0 to 3.30 m ht. above G.L and below GL

Colum above 3.31m to 4.30 ht from GL

Column above 4.31 m upto 5.30 m

Column above 5.31 m upto 6.30 m

Column above 6.31 m upto 7.30 m

Column above 7.31 m upto 8.30 m

Column above 8.31 m upto 9.30 m

Column above 9.31 m upto 10.30 m

Column above 10.31 m upto 10.92 m

Plain Surface

For G.L. brace

Braces at 3.41 m from GL

Braces at 7.06 m from GL

Floor beam sides from 10.92 m

Floor slab and working platform at 11.58 m above G.L..

Roof slab at 3.55 m above floor slab

Curved Surface

Floor slab upto 3.30 m above plateform

Side wall upto 3.30 m above floor slab (inner face)

Side wall from 3.30 m to 4.30 m above floor slab (inner face)

Side wall upto 3.30 m above floor slab (outer face)

Side wall from 3.30 m to 4.30 m above plateform (outer face)

Roof Slab sides from 3.30 m to 4.30 m above platform

Supplying and fabrication of steel and placing in position of TMT steel rods for RCC works as per design given including cost of steel and GI binding wire in all floors etc., complete complying with standard specification in TNDSS NO:97 V,VI (S6) VII (S6), VII-3.

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

Providing and fixing of RCC inner access ladder in RCC 1:1.5:3 (One cement, one and half sand and three aggregates) using 20mm HBG stone for OHT including cost of reinforcement, placing grill in position, centering shuttering charges, mixing concrete curing etc., to required height and clear width of 45cm consisting of two Nos. of vertical post of 10cm x 15cm and step slab of 25mm x 25mm etc. complete and as directed by TWAD Board officers.

Providing PVC ventilating arrangements mosquito proof nylon net with 110mm PVC cowl and as directed by TWAD Board officers

Supplyind and fixing in position CI Manhole covers (light or heavy duty) of size 0.60 x 0.60M with suitable reinforcement and 50x50x6mm MS angle fixed along edges best approved quality and as directed by TWAD Board officers

Refilling the foundation with excavated earth including consolidation as directed by the TWAD Board officers

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 and fixing of 32 mm GI pipes medium for hand rails from I stage to IVth stage. RCC M30 Grade mix for Landing slab 5 nos. at Ground 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

Supply,delivery of PVC & GI pipes and including all etc, complete

80 mm dia GI Pipe

Conveyance and lowering of PVC & GI pipes and including all etc, complete

80 mm dia GI Pipe

KARVEMBU AND COMPANY (BID ID -1469006)