E1/2840/2025-07-Reconstruction of Damaged Culvert and Strom water drain at moolagaoundanpalayam near Trafic Park in ward no.59

Amount

Dismantling existing damaged Reinforced Cement Concrete concrete surface and Clearing away from the site etc complete as per specification.

Dismantling existing damaged Plain Cement Concrete concrete surface and Clearing away from the site etc complete as per specification.

Earth work excavation for foundation in all kinds of soils and sub soils to full depth as directed by the departmental officers except hard rock requiring blasting inclusive of shoring strutting and balling out water wherever necessary and refilling the sides of foundation with excavated earth in layers of 15cm thick well rammed and consolidated and depositing the surplus earth with in the compound in places shown by the departmental officers with initial lead of 10 meters and initial lift of 2 meters including clearing leveling the site etc., complete complying with standard specification.

Cement concrete 1:4:8 mix (One cement four sand and eight metal) using 40mm ISS hard broken granite stone jelly for foundation and flooring including dewatering wherever necessary and laid in layers of not exceeding 15cm thick to required thickness including all labour charges ect complete as per standard specification

Centering for soffits of RCC slabs plane surface including strutting upto 3.00m height using mild steel of size 90cmx60cmx10 gauge fitted with MS angle of size 25mmx25mmx3mm laid over silver oak (CW) joists of size 10cmx6cm spaced at 90cm c/c and supported by causrina props of 10cm to 13cm dia spaced at 75cm c/c complying with standard specification

Side Wall ( Without Strutting)

Culvert slab ( With Strutting)

Plain cement concrete 1:2:4 mix (One cement Two M sand and Four aggregate) for all reinforced cement concrete works using 20mm ISS gauge hard broken granite stone metal including cost and conveyance of all materials at site including all labour charges for concrete mixing laying concrete finishing the surface neatly watering curing property laid excluding the cost of steel reinforcement and centering etc., complete complying with standard specification.

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel grills for all RCC works as per design given including cost of steel and G.I. binding wire in all floors etc. complete complying with standard specification. (Contractor has to make his own arrangements for the supply of steel and binding wire)

Providing and laying in position, standardised concrete Mix M-20 Grade in accordance with IS 456 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/m3 and maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5 cu.m.) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 cu.m.) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670 kg. of crushed stone 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 fan clamps 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 the excess usage of materials).

G. ANANDHAN CONTRACTOR (BID ID -1487475)