Construction of sub surface dyke across Cheyyar River near Thozupedu Village in Cheyyar Taluk of Tiruvannamalai District.

Amount

CONSTRUCTION OF SUB SURFACE DYKE ACROSS CHEYYAR RIVER NEAR THOZHUPEDU VILLAGE IN CHEYYAR TALUK OF TIRUVANNAMALAI DISTRICT - REPAIRS TO CHEYYAR ANICUT

CONSTRUCTION OF SUB SURFACE DYKE ACROSS CHEYYAR RIVER NEAR THOZHUPEDU VILLAGE IN CHEYYAR TALUK OF TIRUVANNAMALAI DISTRICT

Description of Work / Item(s)

Amount

Dismantling clearing away and carefully stacking the same for reuse for any thickness of brick or stone masnory in lime mortar wall under 3m high complete complete complying with standard specifications and as directed by the departmental officers

Dismantling, clearing away and carefully stacking materials useful for re-use for any thickness of plain cement concrete etc complete complying with standard specifications and as directed by the departmental officers

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)

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% of 40 mm size and 40% of 20 mm size mixing with mixer machine and laying in layers oincluding 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

Providing and placing in position of plain cement concrete M 10 grade using M.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 M.Snad 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

Providing and placing in position of Reinforced Cement Concrete M 20 using M.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

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 erecting centering for vertical plain / RCC concrete walls of supply channel, retaining wall etc for following height 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 0.90 m Height

Upto 1.80 m height

Removing and repacking old revetment and apron using old stones including cost of new wedges for filling the gaps etc., including the stacking the same with in 40m lead for premeasurements etc., complete complying with standard specifications and as directed by the departmental officers.

Rough stone dry packing for apron and revetment using new stones obtained from approved sources including the cost of new stones wedges for filling the gaps, etc. including stacking the same for pre-measurement complete complying with standard specifications and as directed by the departmental officers

Providing and fixing pre-cast cylindrical porous plug of 75mm dia, 300mm length in porous concrete CC 1:0:4 as shown in the drawings with filter having size 0.45x0.45x0.45m sand and 12mm to 40mm coarse aggregate mixed with 1/3 sand, 0.30x0.30x0.30m including excavated separators filter material including cost of asll materials, labour incidental charges etc complete complying with standard specifications and as directed by the departmental officer.

Repair grouting 23 cm depth to aprons and revetments with concrete broken stone in cement moetar 1:5 (One part of cement and five part of sand) and pointing with cement mortar 1:4 (One part of cement and four part of sand) including curing etc complete complying with standard specifications and as directed by the departmental officers

De-watering of using diesel pump set having capacity 7.50 HP including cost of hire charges, diesel, labour etc complete complying with standard specifications and as directed by the departmental oficers

GST 18% IN FIGURES

Description of Work / Item(s)

Amount

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 Excavaion)

Earth work excavation by deploying earth moving machinery including jungle clearance as shown by the departmental officers including levelling 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 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 usingRiver 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 works upto 1.50 m depth below ground level and upto 1.0 m height above ground level

For works above 1.50 m to 4.50 m below ground level

Digging the Sub surface dyke of 0.75 m thickness including trenching for subsurface dyke of 0.75m 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 excavated 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 including cost of lead & lift materials conveyance charges, labour charges hire charges for the rquired machinery with fuel and crew charges etc complete complying with standard specifications and as directed by the departmental officers

Construction of RCC cast-in-place diaphram wall of 0.75 m thickness with M25 grade of concrete having characterstic strength not less than specified in the IS 456-2000 using ordinary portland cement with minimum cement content of 473 Kg/m3 confirming to IS 8112 (including 10% excess of cement for under water construction works but excluding cost of steel reinforcement and guide wall ) . Coarse aggregates having a specific gravity of 2.60 using 20mm down graded hard blue granite broken stone jelyy 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 of super plasticizer of approved make & dosage of require3d grade at all locations and levels with specified high workability as per IS 1199-1959(2004) . The initial & final setting time conforming IS 12269-1987(2004) of 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 design 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.

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 in ratio 1:2:4 (One Cement, two sand and four of 20 mm 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 subsurface dyke as directed by the Departmental Engineer, but excluding the cost of steel reinforcement.

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

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

Height o to 90cm

Height 0 to 180cm

Height 0 to 270/300cm

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

Dewatering the Water by bailing out with 7.5 HP Diesel engine and pumps during excavation of soil and including Motor Hire Charges 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 (D80A12)

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

Earth work in all soils except hard rock requiring blasting and conveying for formation of bund with a lead of 1Km 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 charge etc., complete complying with standard specifications and as directed by the departmental officers.

GST 18% IN FIGURES

RKN CONSTRUCTIONS (BID ID -1178310)

Thirumalagiri Infra Projects Pvt Ltd (BID ID -1177584)

RKN CONSTRUCTIONS (BID ID -1178310)

Thirumalagiri Infra Projects Pvt Ltd (BID ID -1177584)

RKN CONSTRUCTIONS (BID ID -1178310)

Thirumalagiri Infra Projects Pvt Ltd (BID ID -1177584)