Rehabilitation of Vengacheri Anicut across Cheyyar River in Uthiramerur Taluk of Kancheepuram district.Slice A Rehabilitation and Upgradation of Hydraulic Energy Dissipation components in the existing Vengacheri Anicut System at Uthiramerur Taluk

Amount

Dismantling clearing away and carefully stacking materials, useful for reuse for any thickness of walls for dismantling plain cement concrete etc complete complying with standard specification and as directed by the departmental officer.

Earth work in all soils except Medium rock / hard rock requiring blasting and conveying for formation of bund with a lead of 0 to 100 m by deploying earth moving machineries and tippers excluding benching, formation of bunds, breaking clods, ramming, sectioning and including conveyence the exavation earth in the low lying area with lead and levelling etc., complete complying with standard specifications and as directed by the departmental officers

Earth Work narrow excavation for foundation in all soils and sub soils and to full depth as may be directed by the Departmental Officers except hard rock requiring blasting including shoring, strutting and baling out of surface water wherever necessary and refilling the sides of foundation with excavated soil in layers not exceeding 15 cm thick, well rammed and consolidated and depositing including all initial leads and initial lifts, etc., complete complying with standard specifications and as directed by the departmental officers. (Narrow Excavation)

Providing and placing in position of plain cement concrete M 10 grade using Sand and hard blue granite broken stone jelly of size 40 mm size mixing with mixer machine including the cost of bailing/pumping out the surface water wherever necessary laying the concrete in layers of not exceeding 15 cm thick, compacting, consolidation by finishing, watering, curing, etc., complete complying with standard specifications and as directed by the departmental officers

Providing and placing in position of plain cement concrete M 15 grade using Sand and hard blue granite broken stone jelly of of 20 mm size mixing with mixer machine and laying in layers including the cost of bailing / pumping wherever necessary laying the concrete in layers of not exceeding 15 cm thick, compacting, consolidation by using Vibrators, finishing, watering, curing, etc., complete complying with standard specifications and as directed by the departmental officers.

For works upto 1m above G.L and upto 1.50m below G.L

For works above 1.50m.to 4.50m. Below G.L

Providing and placing in position of Plain cement concrete M 15 grade using Sand and graded hard blue granite broken stone jelly of 60% 40 mm size and 40% of 20 mm size mixing with mixer machine and laying in layers including the cost of bailing / pumpingout surface water wherever necessary laying the concrete in layers of not exceeding 15 cm thick, compacting, consolidation by using Vibrators, finishing, watering, curing, etc., complete complying with standard specifications and as directed by the departmental officers

For works upto 1m above G.L and upto 1.50m below G.L

For works above 1.0m to 4.50 m height above GL

Supplying and erecting centring for vertical plain / RCC concrete walls of supply channel, retaining wall etc of follwing height with necessary supports, all cross bracing with mild steel size of 90 cm x 60 cm and gauge BG 10 stiffened with welded mild steel sheet angles of size 25 mm x 25 mm x 3 mm for bearing laid silver Oak / Country wood joist of size 7.50 cm x 5.0 cm spaced @ about 90 cm C / C and supported by Casurina props of 10 cm to 13 cm spaced @ 75 cm C / C, etc., complete complying with standard specifications and as directed by the departmental officers (Vertical centering)

Vertical Centering - upto 2.70 m to 3 m

Vertical Centering - 3 m to 4 m

Vertical Centering - 4 m to 5 m

Vertical Centering - 5 m to 6 m

Providing and placing in position of Reinforced Cement Concrete M 20 using Sand and hard blue granite broken stone jelly of 20 mm size mixing with mixer machine including the cost of bailing / pumping out of surface water wherever necessary laying the concrete in layers of not exceeding 15 cm thick, excluding from works centering, shutterng and steel fabrications, compacting, consolidation by using Vibrators, finishing, watering, curing, etc., complete complying with standard specifications and as directed by the departmental officers

For works upto 1m above G.L and upto 1.50m below G.L

For works above 1.0m to 4.50 m height above GL

For works above 1.50m.to 4.50m. Below G.L

Supplying and laying of ready mix for M 25 grade of concrete having characteristic strength not less than specified in the IS:456-2000 using ordinary Portland cement with minimum cement content of 300 kg / Cu.m confirming to IS 8112. Coarse aggregates having a specific gravity of 2.60 using 20 mm downgraded hard blue granite broken stone jelly and fine aggregates without fly ash as per IS 383 - 1970(2007) with suitable water cement ratio not less than 0.45 and not exceeding 0.50 of water quality confirming to IS 456 - 2000 including use of plasticizer of approved make & dosage of required grade at all locations and levels with specified high workability as per IS 1199–1959 (2004). The initial & final setting time confirming IS 12269–1987 (2004) with maximum temperature of concrete at the time of placing should not exceed 32oc. The admixtures affecting the quality and strength of the concrete should not be used and should confirm IS 9103 – 1979 [ usual admixture – Air entraining & water reducing]. Including the cost of hire charges for pump & pumping charges to the required location and levels as specified by the Engineer–in–charge, Curing, testing, laying, compacting, consolidation by using vibrators, finishing, watering, testing charges as per IS 456–2000, 4031–(Part 3 & 6)/1988(2005) & (Part2)/1999(2004) and 516/1959(2004), 4926 – 1976(1990), mix design details to be got and approved before commencement of the work adopting pour card system and other OK cards. Excluding the cost of form works, centering and shuttering and cost of reinforcement grills placed in the position etc, complete complying with standard specifications and as directed by the departmental officers (RCC Works)

Supplying, fabricating and placing in position of Ribbed Tor Steel for all RCC works as per design & drawing given including cost of steel, binding wire and labour charges for cutting, bending, laying in position and tying with binding wire, etc. complete complying with standard specifications and as directed by the departmental officers

Supplying and spreading M sand - gravel mix ratio of 30 : 70 for 10 cm thick over the top of bund and other places as required at site of work including watering and consolidation using power roller, etc, complete complying with standard specifications and as directed by the departmental officers.

Supplying and laying with graded hard blue granite broken stone jelly of varying of size from 80mm, 63mm, 50mm, 40mm, 25mm, 20mm, 12mm and 10mm in equal proportions for formation of filter drains and filter bed etc complete complying with standard specifications and as directed by the departmental officers

Supplying and placing in position of plain cement concrete blocks of size 1.50 x 1.50 x 0.90m of M 15 grade concrete using Sand and hard blue granite broken stone jelly of size 20 mm mixing with mixer machine and laying in rows including dewatering wherever necessary, compacting, consolidation by using vibrators, finishing, watering, curing including the cost of erecting and centering including necessary support for plain surfaceses for concrete block of size 1.50 m X 1.50 m X 0.90 m using MS sheets of size 1.50 m X 0.90 m of 10 gauge stiffened with MS angle of size ISS 25 mm X 25 mm X 3 mm supported by MS flats of size 25 mm X 3 mm, conveyance to site with all labour charges etc. complete complying with standard specifications and as directed by the departmental officers

Gravel packing in gaps between cement concrete blocks including cost of gravel and filling charges to full depth and stacking for pre-measurements etc complete complying with standard specifications and as directed by the departmental officers

Dewatering using 7.5 HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. complying with standard specification and as directed by the departmental officers.

Supplying and Fixing wheep holes for retaining wallusing 75mm dia PVC pipe heavy duty (PVCFinolex) of working pressure of 6kg/cm2 including cost of all materials, labour charges etc complete complying with standard specifications and as directed by the departmental officers.

Supplying and fixing 300mm wide PVC expansion joint in the 20mm expansion gap provided in between decks over piers and in between deck and dirt wall over abutment as shown in the drawing including cost and conveyance of expansion joints including shalimar pad and joint sealant etc., complete complying with standard specifications and as directed by the departmental officers

Supplying and fixing PVC Water Stopper heavy duty of 300 mm width as per IS 15058/2001, including cost of all materials, labour charges, etc complete complying with standard specifications and as directed by the departmental officers.

Providing launching apron using new jeddy stone of size not less than 300 mm thick and weight not less than 40 Kg including the cost of new wedges for filling the gaps, finishing etc complete complying with standard specifications and as directed by the departmental officers

Regrading the river bed including jungle clearance deploying the heavy machinery like dozer on use hour basis including cost of hire charges, fuel, labour etc, complete complying with standard specifications and as directed by the departmental officers

Supplying and filling with clean river sand in layers of not more than 15 cm thick, well watered, rammed and consolidated etc., complete complying with standard specifications and as directed by the departmental officers

Earth work in all soils except Medium rock / hard rock requiring blasting conveying for Formation of bund with a lead 6 km deploying earth moving machineries and tipper including benching formation of bunds, breaking clods, sectioning with a extra watering and consolidation by power roller and including hire charges etc. complete complying with standard specifications and as directed by the departmental officers

GST 18 % in Figures

S.BASKARAN (BID ID -1486462)

RKN CONSTRUCTIONS (BID ID -1486485)