Construction of Regulator arrangements and improvements to surplus course in Sekkadu Tank in Sekkadu Village in Avadi Taluk of Thiruvallur District

Amount

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. 10m of load and lift of 2m

Earth work excavation in all soils except hard rock requiring blasting and conveying for formation of bund with lead of 5 kmmr deploying earth moving machinery and tippers including benching, formation of bunds,breakingclods, sectioning etc.,complete complying as directed by the departmental officers.

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

Earth work excavation in all soils except Medium rock/hard rock requiring blasting and conveying for Formation of bund with lead 0 m to 5 Km by deploying earth moving machineries and tippers including benching formation of bunds, breaking clods, ramming, sectioning, Compacting the earth by extra watering and consolidation by using power roller including hire charges etc. complete complying with standard specifications and as directed by the departmental officers

Supplying and spreading sand gravel mix ratio of 1 : 1 in layers not exceeding 10 cm thick below the retaining wall 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

Providing and placing in position of plain cement concrete M 10 grade using M Sand and hard blue granite broken stone jelly of size 20 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 M 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 / 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

Supplying and laying of ready mix for M 30 grade of concrete having charaterstic strength not less than specified in the IS 456 - 2000 using Ordinary portland cement with minimum cement content of 300 Kg / cum confirming to IS 8112. Coarse aggregates having a specific gravity of 2.60 using 20 mm down graded hard blue granite broken stone jelly and fine aggregate without flyash 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 32 0 C. 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 and pumping charges to the required locations & levels as specified by the Engineer - in - charge,. laying, compacting, consolidation by using vibrators, finishing, watering, curing, testing charges as per IS 456 - 2000, 4031 - ( Part 3 & 6 ) / 1988 ( 2005 ) & ( Part 2 ) / 1999 ( 2004 ) and 516 / 1959 ( 2004 ), 4926 - 1976 ( 1990 ), mix design details to be got approved before commencement of the work adopting pour card system and other OK cards. Excluding the cost of form works, centering and shuttering placed in position etc, complete complying with standard specifications and as directed by the departmental officers. (RCC work)

Supplying, fabricating & placing in position mild steel / Ribbed Tor steel grills for all RCC works as per design given including cost of steel and GI binding wire in all floors etc.,complete complying with standard specification and as directed by the departmental Officers.

Supplying and laying of ready mix for M 30 grade of PCC concrete having charaterstic strength not less than specified in the IS 456 - 2000 using Ordinary portland cement with minimum cement content of 300 Kg / cum confirming to IS 8112. Coarse aggregates having a specific gravity of 2.60 using 20 mm down graded hard blue granite broken stone jelly and fine aggregate without flyash 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 32 0 C. 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 and pumping charges to the required locations & levels as specified by the Engineer - in - charge,. laying, compacting, consolidation by using vibrators, finishing, watering, curing, testing charges as per IS 456 - 2000, 4031 - ( Part 3 & 6 ) / 1988 ( 2005 ) & ( Part 2 ) / 1999 ( 2004 ) and 516 / 1959 ( 2004 ), 4926 - 1976 ( 1990 ), mix design details to be got approved before commencement of the work adopting pour card system and other OK cards. Excluding the cost of form works, centering and shuttering placed in position etc, complete complying with standard specifications and as directed by the departmental officers. (PCC work)

Supplying and erecting centring for vertical plain / RCC concrete walls of supply channel, retaining wall etc upto 90 Cm 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 0 m to 0.9 m height

Vertical 0 m to 2.70 m (or) 3.00 m height

Vertical 3.00 m to 4.00 m height

Vertical 4.00 m to 5.00 m height

Vertical 5.00 m to 6.00 m height

Supplying and erecting centering for sides and soffits and strutting upto 3.0 m height for plane surfaces such as RCC works etc, with 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 10 cm x 6.5 cm spaced @ about 90 cm C / C and supported by Casurina props of 10 cm to 13 cm spaced @ 75 cm C / C, and removing the same without any damages etc., complete complying with standard specifications and as directed by the departmental officers

Supplying and fixing the Cement concrete block of size 300 mm X 250 mm X 200 mm of M 15 using hard blue granite broken stone jelly of 20 mm size mixing with mixer machine including the cost and conveyance of all materials to work site, labour charges for fixing the same in position and including all other incidental charges, compacting, consolidation by using vibrators, finishing, watering, curing etc complete complying with standard specifications and as directed by the departmental officers

Dewatering using 10 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.

Supplying and fixing Bitumen felt Pad of 12 mm thickness conforming to IS for joints including cost of all materials and labours etc complete complying with standard specifications and directed by the departmental officers

Shoring, and strutting with sheet piles of size width 400 mm x height of 3m x thickness of 9mm as per IS 2314-1986 by driving on both sides of the trench from Ground Level up to the required depth and connecting the above sheet piles by horizontal strutting with sheet piles at an interval of 1.0m, fixing the sheet piles by connecting the horizontal strutting with casurina poles of 8cm to 10cm dia. at 1.50m interval and including removing the sheet piles after the pipelines are laid, jointed, tested, and stacking it safely for other uses. It includes the cost of sheet piles and casurina poles including labour charges for erecting the sheet piles, driving the sheet piles, removing the sheet piles, fixing Casurina poles, etc., complete and all other incidental charges for the depth of 0 - 3 meters, complete complying with standard specifications and as directed by the departmental officers

Supplying and Fixing of Man holes cover (SFRC) of 600 mm X 600mm all labours, tranportation, other necesssary equipment which is essential for fixing at site etc.,omplete, complying with standard specifications and as directed by the departmental officers of work.

Supplying and fixing PVC Water Bar 150 mm width with Singled Bulb which is essential for fixing at site etc., complete complying with standard specifications and as directed by the departmental officers.

GST 18 % in Figures

S.BASKARAN