Constraction of RCC Slab Culvert at Alapakkam Colony in Katchur Panchayat ch 2/100 of Poondi Block of Thiruvallur District. under ITPHDS 2025-26

Amount

1. Constraction of RCC Slab Culvert @ Alapakkam Colony in Katchur Panchayat ch 2/100

Earth work excavation and depositing on bank with in initial lead of 10 m and initial lift of 2m in hard stiff clay, stiff black cotton soil, hard red earth,earth mixed with small sized boulders and hard gravelly soil as per SS 20B. Depth 0 to 0.30

Supplying and Filling foundation and basement with filling sand in layers not more than 15cm . Thick well ramed, watered and compacted Complete complying with stanard specification.

Cement concrete 1:4:8 mix using 40mm ISS metal including cost and conveyance of all materials to site and all labour charges for mixing, laying and curing etc complete.

Cement concrete 1:3:6 mix using 40mm ISS metal including cost and conveyance of all materials to site and all labour charges for mixing, laying and curing etc complete.

Supplying and erecting centring for sides and suffits including supports and structing upto 3.29m height for plane surface in all cross bracting using MS sheets of size 90 x 60cm and 10kg stiffened with angle of size 25 x 25 x 3mm for boarding laid over silver oak joists os size 10 x 6.5mm at about 90cm C/C and supported by casuring props of 10cm 13cm dia at C/C etc., complete.

i ) Below Sill

ii) Above Sill

Providing and laying in position, Standardised Concrete mix M-25 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 concrete 350kg/m3 and maximum water cement ratio of 0.5, including admixture (plasticiser / super plasticiser) in recommened proportion as per IS :9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5.0cu.m) 7730kg of 20mm machine crushed stone jelly and with about (3.3cu.m) 5156 kg of 10-12mm machine crushed stone jelly and wiht about (4.79cu.m) 7670 kg of M.Sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also including laying, vibrating with mechanical vibrators, finishing, curing, etc and providing fixtures like fanc clams 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 requirements of IS standards . (No separate payment will be made by the Department for hte excess usage of materials).

Supplying and fabrication of steel including cost and conveyance of steel to site and all labour charges for straightening, cutting to length, bending to shape and tying in position and forming grills for all R.C.C works.

GST Amount for providing Service to Government Contract Works for the above Construction & Maintenance Works. { GST Amount is the Total GST Amount for overall quoted amount (Both Construction and Maintenance) above this row in column "BB" for all works in this package} (Refer Clause 13.2 & 13.3 of Section 2 of Instruction to Bidders (ITB) of SBD)

M/s.DRR INFRASTRUCTURES (BID ID -1373308)