Tiruppur Corporation_Construction of Disposal RCC Drain at Perumanallur Road From Nesavalar Colony Main Road to Nesavalar Colony 1st Street in Ward No 17

Amount

Earthwork excavation in all soils and subsoils except hard rock requiring blasting with initial lead of 10m and initial lift of 2m including all labour charges etc., including refilling the sides of foundation with excavated earth in layers of 15cm thick including watering, consolidation etc., as per standard specification.

Earthwork excavation for foundation in Medium Rock and Dense Medium Rock not requiring blasting etc., and sand, silt or other loose soil, wet sand or silt not under water, light black cotton soil, sandy loam ordinary soil except in hard rock requiring blasting inclusive of shoring, shuttering and bailing out water wherever necessary, refilling etc., complete complying with standard specification.

Plain Cement concrete 1:4:8 [one cement, four M-sand and eight course aggregates] using 40mm size Hard Broken/Machine crushed Granite Stone Jelly including dewatering if found necessary and laid in layers of not more than 15cm thick and compacted etc., complete complying with standard specification.

Supplying, fabricating and placing in position of Steel Reinforcement using Mild steel or Ribbed tor steel rods, for all RCC works as per the design given by the departmental officers including cost of steel and binding wire and all labour charges for cutting, bending, tying and placing in position etc, complete as per Standard Specification

Supplying and erecting centering including necessary supports for the plane surfaces such as Drainage & Culvert Retaining walls etc., using mild steel sheets of size 90cm x 60cm and BG 10 stiffened with welded mild steel angles of size 25mm x 25mm x 3mm for boarding supported by casurina props of 10cm to 13cm dia spaced at suitable intervals etc., complete complying with standard specification.

Providing and laying in position standardised concrete mix M-20 Grade in accordance with IS 456-2000 using 20mm and down graded hard broken jelly for all RCC items of works with minimum cement content of 3250kg/10cum and maximum water cement ratio of 0.50 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without impairing strength and durability with about (5.0cum) 7730kg of 20mm machine crushed stone jelly and with about (3.30cm) 5156kg of 10-12mm machine crushed stone jelly and with about (4.79cum) 7760kg of 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 directed by the departmental officers. The Coarse and fine aggregates to be used should comply with the requirements of IS standards.

Supplying and fixing in position of Steel Fibre Reinforced Concrete (SFRC) of size 750mm x 750mm with best approved quality etc., complete as per standard specification.

Supplying and erecting centering including necessary supports for the plane surfaces such as Drainage & Culvert Retaining walls etc., using mild steel sheets of size 90cm x 60cm and BG 10 stiffened with welded mild steel angles of size 25mm x 25mm x 3mm for boarding supported by casurina props of 10cm to 13cm dia spaced at suitable intervals etc., complete complying with standard specification.

Conveyance of excavated earth to a lead of 0 to 5 Km, lowering and laying in low lying areas including cost of loading, transporting and unloading and inluding cost of all labour charges etc., complete as per standard specification

Add GST @ 18%

SAKTHI ENGINEERS (BID ID -1261668)