Construction of Check Dam across Palar River near Ammundi Village in Katpadi Taluk of Vellore District.

Earth Work 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 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. - Open Excavation

Earth Work 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 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

Earth work excavation by deploying earth moving machinery including jungle clearance and conveying the same width tippers with a lead of 0 to 100m to the low lying area shown by the departmental officers including levelling etc. complete complying with standrad specificaations and as directed by the departmental officers

Providing and placing in position of plain cement concrete M 10 grade using River Sand and graded hard blue granite broken stone jelly of 40 mm size mixing with mixer machine including the cost of bailing/pumping wherever necessary laying the concrete in layers of not exceeding 15 cm thick, compacting, consolidation 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 using River Sand and hard blue granite broken stone jelly of size 20 mm mixing with mixer machine 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 the works upto 1.50m depth Below Ground Level and upto 1.00 m Height above Ground Level

for the works above 1.50m to 4.50m below ground level

Providing and placing in position of plain cement concrete M 15 grade using River Sand and graded hard blue granite broken stone jelly of 60% of 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

for the works upto 1.50m depth Below Ground Level and upto 1.00 m Height above Ground Level

for the works above 1.50m to 4.50m below ground level

for the works above1.00m to 4.50m height above ground level

for the works above 4.50m height above ground level

Supplying and erecting centering for vertical RCC concrete walls of supply channel, retaining wall etc for following 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

Upto 0.90m height

Upto 1.80m height

Upto 2.70/3.00 m height

3.00m to 4.00m height

4.00m to 5.00 m height

5.00m to 6.00 m height

Supplying and erecting centring for sides and soffits and strutting upto 3.0 m height for plane surfaces such as RCC slab rectangular beam or L beam lintels and bed blocks, stairs and covering slabs landing beam canopy 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 etc., complete complying with standard specifications and as directed by the departmental officers - Horizontal Centering.

Providing and placing in position of Reinforced Cement Concrete M 20 using River sand and hard blue granite broken stone jelly of 20 mm size mixing with mixer machine including the cost of bailing/pumping wherever necessary laying the concrete in layers of not exceeding 15 cm thick excluding form works, centring, shuttering 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 the works above1.00m to 4.50m height above ground level

for the works upto 1.50m depth Below Ground Level and upto 1.00 m Height above Ground Level

Supplying and laying of ready mix for M25 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 works

Construction of RCC cast-in-place guide wall 150 mm thick and 1200 mm deep with necessary steel reinforcements as required and specified by the Departmental Engineers with concrete of Grade M15 using ordinary Portland Cement with course aggregates of size 20mm down graded HBGS metal) including cost of all materials lead, lift, labour, marking, earthwork excavation, shuttering etc., including dismantling guide wall, scrap value and disposing the dismantled guide wall after construction of Diaphragm wall including the cost of steel reinforcement etc complete complying with standard specification and as directed by the departmental officer

Digging the diaphragm wall of 0.60 m thickness including trenching for diaphragm wall of 0.60 m thick in all kind of soil, rock, boulders, dewatering etc., upto the required depth using approved trenching method by mechanical grabs mixing supergrade Bentonite slurry and disposing the excavation materials beyond a lead of 1 Km, washing the trench upto required bottom level specified by adopting either successive panel or alternate method technique from a good continuous leak proof joints to the length and levels required by the Departmental Officers etc complete complying with standard specifications and as directed by the departmental officers

Construction of RCC cast-in-place diaphragm wall of 0.60 m thickness with M25 (1:1:2) concrete having characteristic strength not less than specified in the is 456-2000 using ordinary portland cement with minimum cement content of of 473 Kg/m3 confirrming to IS 8112(including 10% excess cement for under water construction works but excluding cost of steel reinforcement and guide wall) Coarse addregates having a specific gravity of 2.60 using 20mm downgraded hard blue granite broken stone jelly and fine aggregate as per IS 383-1970 (2007) with suitable water cement ratio not exceeding 0.55 of water quality confirming to IS 456-2000 including use super as an admixture including cost of all materials, labour, lead, lift with placing the reinforcement cages including necessary duly approved welded reinforcemnt, with placing and removal of end pipe arrangement as designed and concreting using tremie pipe arrangement for Diaphragm panel upto required top level by adopting either successive panel or alternate method technique to from a good continuous leak proof joints to the length and levels required by the Departmental Officers including dismantling the overburden concrete over the subsurface dyke and conveying the same to the near by site and dumping the same in the low lying area as per schedule of rate S . No. 38 Moblilization & Demobilization of equipment (Excluding cost of reinforcement) and as directed by the Departmental Officers.concrete at the time of placing. The admixture affecting the quality and strength of the concrete should not be used and should confirm IS 9103-1979 ( usual admixture 0 air entraining & water reducing ) including cost of all materials, labour, lead, lift with placing the reinforcement cages including necessary duly approved welded reinforcemnt, with placing and removal of end pipe arrangement as designed and concreting using tremie pipe arrangement for sub surface panel upto required top level by adopting either successive panel or alternate method technique to from a good continuous leak proof joints to the length and levels fully conforming to the rquirements of IS 9556 & Is 14344 with specified cut of level and founding level including dismantling the overburden concrete over the diaphram wall and conveying & dumping in low lying area, hire charges for the required machinery with fuel and crew charges as well as mobilisation & demobilsation of equipment, testing charges as per IS 456-200, 4031-(part 3 & 6)/1988(2005) & Part 2 /1999(2004) , 4926-1976 (1990) mix desigh details to be got approved before commencement of the work adopting pour card system and other ok kards., excluding the cost of form works, centering , shuttering and cost of reinforcement grills placed in positin etc complete complying with standard specification and as directed by the Departmental Officers.

Supplying, fabricating and placing in position of Mild Steel or 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 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

Supplying and laying with graded hard blue granite broken stone jelly of varying of size from 80 mm, 63 mm, 50 mm, 40 mm, 25 mm, 20 mm, 12 mm and 10 mm in equal proportions for formation of filter drains and filter bed as shown in drawing 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 1.50x1.50x0.90m of M 15 grade concrete using River Sand and hard blue granite broken stone jelly of size 20 mm mixing with mixer machine and laying in rows 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 premeasurements etc complete complying with standard specifications and as directed by the departmental officers

Gravel backing for apron / revetment / retaining wall in layers not exceeding 15 Cm thick including stacking for premeasurement, watering, consolidation and trimming the top surface so as to receive the rough stones, 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 300 mm X 250 mm of M 15 using River Sand and machine broken hard blue granite 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

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

Fabricating, supplying and erection of screw gearing shutters of size above 2.70m x 1.50m width consist plate made out of 10mm thick mild steel plate and horizontallystiffened with 150 x 75 mm ISMB 150 at an interval not more than 0.50 m and vertical stiffeners made out of 100 x 50 mm mild steel channel ( ISMC ) at an interval not more than 0.60 m and provided with 10 mm thick mild steel gusset plate of required size on both sides fastened with rust free bolts and nuts etc. Conveying the fabroicated shutter to the vent. Dismantling the eroded shutter and shuttering arrangements by using necessary gas cutting equipements. Erecting the new shutter and the shuttering arrangements in the vent in proper position by using necessary hoisting equipments. The shutter shall be painted with two coat anticorrosive black paint over one coat of red oxide primer. The rate including cost of materials, consumables, labours, power charges for all equipments required conveying the dismantled materials to the section stores, cost of petty civil works, trial operation of shutter and warranty for 5 years etc., complete.

Fabricating, Supplying and fixing of Top beam made up of 200 x 100 mm ( ISMB 150 ) duly drilled to shit the Headset assembly with required bed bolt made out of 25 mm mild steel round rod duly threaded with suitable anchorage arrangements to a height of 0.60 m with necessary fish plate made out of 16 mm mild steel plate of size 0.20 x 0.30 m 2 Nos with required holes. Conveying and leading the top beam arrangements at the top of the vent in correct position including dsimantling the existing eroded top beam, conveying and stacking at the section store. The top beam should be painted with two coats of anticorrosive black paint over one coat of red oxide primer. The rate including cost of materials, labours, charges for all fabriating and hoisting equipments, cost of petty civil works conveyance charges for labours and materials and warranty for 5 years etc., complete.

Fabricating, supplying and fixing of 63mm dia Screw Rod made up of Mild Steel duly machined and fully threaded to suit the Head set Assembly and provided with required holes. Conveying and leading the screw rod to the worksite. Fixing the screw rod to the shutter gusset plate with required bolt and nut in proper alignment to the head set including dismantling the existing damaged screw rod,conveying and stacking at section store. The Screw rod should be painted with two coats of AC black paint over one coat of red oxide primer. The rate including cost of materials, labours, charges for all fabricating and hoisting equipments, conveyance charges for labours and materials and warranty for 5 years etc., complete

Fabricating, supplying and fixing of shutter Groove angle made up of 100 x 100 x 10 mm mild steel angle for required height including welding hold fast of size 40 x 40 x 6 mm mild steel angle 3 Nos on both sides and conveying and leading the groove angle to the vents. Fixing the angle to the grooves in proper alignment including dismantling the existing damaged groove angles, conveying and stacking at section store. The Groove angel should be painted with two coats of anticorrosive black paint over one coat of red oxide primer. The rate including cost of materials, consumables, labours, charges for all fabricating and hoisting equpments, conveyance, petty civil works and warranty for 5 years etc., complete.

Fabricating, supplying and fixing of Head set assembly HEAVY duty an hexagonal nut ( approximate 120 Kg ) made up of cast iron including moulding machining and the hexagonal nut threaded to suit the screw rod provided with thrust bearings for smooth operation conveying and leading the head set assembly to the work site. Fixing the head set assembly to the top beam by using required rust free bolts and nuts in proper alignment including dsimantling the existing damaged head set assembly, conveying and stacking at section store. The head set assembly supplied with operating key on both should be painted with two coats of anticorrosive black paint over one coat of red oxide primer. The rate including cost of materials, labour charges for wooden pattern including charges of machining equipments, conveyance charges for labours and materials and warranty for 5 years etc., complete.

De-watering of using upto 15 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 incidential charges etc complete complying with standard specifications and as directed by the departmental officers

Supplying and fixing Bitumen felt Pad of 20 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

Supplying and placing in position of weep holes for retaining wall using 110mm Dia PVC pipe heavy duty (PVC Finolex) 4Kg/cm2 including cost of all materials, labour charges, 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

Earth work in all soil except hard rock requiring blasting and conveying for formation of bund with an lead of 4 KM deploying earth moving machineries and tippers including benching, formation of bunds, breaking clods, sectioning with extra watering and consolidation by power roller and including hire charges etc., completed as directed by the departmantal officers.

GST 18 % in Figures

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