Construction of a Check dam across Palar River near Poigai Village in Anicut Taluk of Vellore District

Amount

Earth work in all soils except hard rock requiring blasting and conveying for formation of bund with lead of 0 to 100 metre deploying earth moving machinery and tippers including formation of bunds breaking clods sectioning etc., complete complying with Standard Specifications and as directed by the Departmental Officers.

Earth work for foundation in all kinds of Soils and sub Soils except hard rock requiring blasting to full depth as may be directed and depositing the surplus earth in places shown by the Departmental Officers and leveling the same with all leads and lifts including Shoring, Strutting, Shuttering, Baling out Water wherever necessary and refilling the sides of foundation with excavated earth in layers of 15cm thick well rammed and consolidated etc., complete complying with Standard Specifications and Drawings as directed by the Departmental Officers.

Earth work in all soils except hard rock requiring blasting and conveying for formation of bund with an extra lead of every 100 metre or part thereof deploying earth moving machineries and tippers including benching, formation of bunds, breaking clods and sectioning ect., complete complying with Standard Specifications and Drawings as directed by the Departmental Officers.(Lead 5KMCT) total Earthwork quantity for fomation of Flood Bank Formation.

Earthwork 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.

Earth work in all soils except Medium rock / hard rock requiring blasting and conveying for formation of bund with an extra lead of every 100 m or part thereof deploying earth moving machineries and tippers including benching, formation of bunds, breaking clods, sectioning, etc complete complying with standard specifications and as directed by the departmental officers

Providing and placing Plain Cement Concrete M10 using M-sand and graded hard blue granite broke stone jelly of 40mm size mixing with mixer machine including the cost of bailing /pumping wherever necessary laying the concrete in layers of not exceeding 15cm thick compacting consolidation by using vibrator ,finishing watering cureing etc. complete complying with standard specification and as directed by the departmental officers.

Providing and placing in position of plain cement concrete M 15 using M-sand 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

Ground Level & upto 1.50 M below Depth

Below Ground Level 1.50 M to 4.50 M

Above Ground Level upto 4.50 M

Providing and placing in position of plain cement concrete M 15 grade using M sand 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

Below Ground Level upto 1.50 M Depth

Below Ground Level 1.50 M to 4.50 M

Above Ground Level upto 4.50 M

Above Ground Level from 4.50 M upto 7.5 M

Providing rigid & Smooth centering for vertical RCC concrete wall of supply channels retaining wall etc., for following height with necessary support below ground level & various height above ground level using MS Sheets of size 90x60 cm & BG 10 gauge stiffened with MS angle of size 25x25x3 mm laid over Silver Oak joist of size 7.5 cm x 5 cm spaced at 90 cm centre to centre & supported by casurina props of size 10 to 13 cm dia, spaced at 75 cm c/c etc., Complete as directed by Engineer as per the technical specification (Vertical Centering)

Height 0 m to 3.00 m

Height 3 m to 4.00 m

Height 4 m to 5.00 m

Height 5 m to 6.00 m

Supplying and erecting Centering for sides and soffits of Reinforced Cement Concrete / Plain Cement Concrete of plane surfaces etc., including strutting upto 3.00 m height with all cross bracings using M.S. sheets of size 90 cm x 60 cm and BG 10 gauge, stiffened with welded M.S. angle of size 25 mm x 25 mm x 3 mm for boarding laid over Silver Oak (Country wood) joist of size 10 cm x 6.5 cm (spaced at about 90 cm centre to centre etc., complete and supported by casurina props of 10 to 13 cm dia (spaced at 75 cm c/c) and removing the same with out any damages 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 M sand 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

Below Ground Level upto 1.50 M Depth

Above Ground Level upto 4.50 M

Supplying and laying of ready mix for M 25 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 320C. 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 cost of hire charges for pump and pumping charges to the required locations and 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 R6 / 1988 / 2005) and (Part 2) / 1999 (2004) and 516 / 1959 (2004) 4926 - 1976 (1990) Mix design details to be got approved before commencement of the work adopting powercard system and other OK cards. Excluding the cost of fram works, centering and shuttering placed in position etc., complete complying with standard specification and as directed by the Departmental Officers (RCC Work)

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 sulphate resistant cement 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 Diaphragm wall as directed by the Departmental Engineer, but excluding the cost of steel reinforcement.

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. ( The Special rates are adopted are as per sanctioned estimate CR.No. / ) The lobours rate adoted as per schedule of rates)

Construction of RCC cast-in-place diaphragm wall of 0.60 m thickness with M25 RMC concrete using Ordinar Portland cement 20 mm down graded HBGS metal) with minimum cement concrete of 366 Kg/m3 (including 10% excess cement for under water construction works as per IS 456-2000 and water cement ratio not exceeding 0.55, super plasterers 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.

Supplying, fabricating and placing in position of MS/RTS rods for all RCC works as per design given including cost of steel,binding wire, labour charges for cutting, bending, laying in position complete as per technical specifications and as directed by the Engineer in charge of works.

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 hard blue granite broken stone jelly of size 20 mm mixing with mixer machine in rows including the cost of bailing/pumping 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

Supplying and fixing the Cement Concrete block of size 300 mm x 300 mm x 250 mm of M15 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- Office of the Superintending Engineer., observing data approval vide Lr.No.DB/ EE / F.GL / 2021 / JDO.6 / Dated:24.12.2021.

Providing laving apron using New jeddy stone size not less than 300mm thick and weight less thsn 40kg including the cost of new wedges for fpllpng the gaps ,finishong etc.complete with standard specification and as diriected by the Departemental officers.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 1.50 m X 1.50 m width consist plate made out of 8mm thick mild steel plate and horizontallystiffened with 100 x 50 mm ISMC at an interval not more than 0.50 m and vertical stiffeners made out Same section at an interval not more than 0.60 m and provided with 8 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 150 x 75 mm ( ISMB 200 ) 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 12 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 dismantling 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 work site. 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 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 charges for labours and materials and warranty for 5 years etc., complete.

Fabricating, supplying and fixing of shutter Groove angle made up of 65 x 65 x 6 mm mild steel angle for required height including welding hold fast of size 25 x 25 x 6 mm mild steel angle 2 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 Medium 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 diesel pump set having capacity 7.5 HP including cost pf hire charges diesel ,labour etc complete complying with standard specification and as directed by the departmental officers. and as directed by the departmental officers ( Rate as per the TWAD Board Shedule of rate)

Providing and fixing PVC Expansion joint with required wide as directed in between deck slab over abutments and peirs as shown in the drawing including cost and conveyance of expansion joints including shlimar pad and joint sealant etc., Complete complying with standrad specifications and as directed by the departmental officers.

Providing and fixing Seepage pipes of 110 mm PVC pipes of required lengths for abutments and wings including cost and conveyance of all materials to worksite, cost and labour for 900 mm dia semi-spherical backfill arrangements with 100 mm size broken granite chips at the periphery and labour charges for fixing etc., complete to drain the backfill etc., Complete complying with standrad specifications and as directed by the departmental officers.

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.

Regrading the river bed including jungle clearance by deploying the heavy machinery like dozer DIOA12 on use hour basis including cost of hire charges, fuel, crew, labour charges etc., complete complying with standard specifications and as directed by the Departmental Officers.(The use hours will be calculated according to Log book mainenance of machineries according to the rules in force and as directed by the departmental officers). Regrading River Dozzer D80A12

Gravel backing for apron and revetment of 15cm thick including the cost of gravel at site of work, mixing with water so as to form into stiff plastic balls and laying and finishing, including stacking for pre measurement etc., complete complying with standard specification and as directed by the Departmental officers.

GST 18 % in Figures

SRI PATHY ASSOCIATES PRIVATE LIMITED