E1-2283-2024-06-Construction of Box Culverts at Kannaiyan Street ,Ranga Street ,Veera Street Poongundranar Street and Darin Works in Ward No-27.

Amount

Dismantling the exiting damaged Reinforcement cement concrete surface including cleaning materials away from the side including all labour charge etc

Dismantling, Stone Masonry in cement mortar walls under 3m high clearing materials away from the side including all labour charge etc

Dismantling the exiting damaged Plain cement concrete surface including cleaning materials away from the side including all labour charge etc

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 (TNDSS No. 23, 24)

Supply and delivery of HDPE pipe line including all charges etc, complete as per standard specification.

110 mm Pipe

110 mm Elbow

110 mm Coupler

Jointing HDPE Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by TWAD Board Officers.

Lowering HDPE pipes and specials to trench and laying to proper grade and alignment and as directed by the TWAD Officers

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

a) Side Wall without Strutting

b) Slab

Providing and laying in position Standardised Concrete Mix M-20 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 325Kg/ cum and maximum water cement ratio of 0.55 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 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 staandards. (No separate payment will be made by the Department for the excess usage of materials)

Plastering with cement mortar (1:3) 20mm thick in all floors including cost and conveyance of all materials to site and labour charges etc, complete complying with standard specifications (S.I.309)

Suppling and fabricating and placing in position MS (or) R.T.S. bar for reinforcement to all RCC works as per the design given including cost of steel and binding wire also in all floors.

Providing and fixing Bitumen Pad for Expansion joint in between pavement slabs to 12mm thick and fixed as shown in the drawing including cost and conveyence of expansion joints including shalimar pad and joint sealent etc, complete as per standard specification

Conveyance of excess excavated and surpluse earth to low laying areas upto 3 km lead including loading , unloading charges and cost of transportion charges, including cost of all labours charges etc complete

S . SAKTHIVEL (BID ID -1216114)