Rehabilitation and improvements to flood damaged Tirukoilur Anicut due to Fengal Cyclone 2024 in Athandamarudhur Village in Tirukoilur taluk of Kallakurichi District.

Amount

Clearing scrub jungle etc, complete complying with standard specifications and as directed by the departmental officers.

Earth Work Excavation for foundation in all soils and sub soils 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).

Earthwork excavation in all soils and sub Soils to full depth as directed by the departmental officer except hard rock/Medium Rock requiring blasting by deploying earth moving machinery including jungle clearance, levelling etc and conveying with a lead of 1 Km the excavated soil to the low lying area/dumping yard 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 graded hard blue granite broken stone jelly of 40 mm size, using river sand, 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

For works upto 1.5 M depth below ground level and upto 1 M height above ground level.

For works above 1.5 to 4.5 M below ground level.

For works above 4.5 to 9 M height below ground level.

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

For works upto 1.5 M depth below ground level and upto 1 M height above ground level.

For works above 1.5 to 4.5 M below ground level.

Providing and placing in position of plain cement concrete M 15 grade using graded hard blue granite broken stone jelly of 60% of 40 mm size and 40% of 20 mm size, using river sand, 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 1.5 M depth below ground level and upto 1 M height above ground level.

For works above 1.5 to 4.5 M below ground level.

For works above 1.0 to 4.5 M height above ground level.

For works above 4.5 to 9 M height above ground level.

Supplying and laying of Ready Mix Concrete for the grade of concrete M20 having characteristic strength not less than specified in the Is 456 - 2000 using Ordinary portland cement with minimum cement content of 250 Kg / cum confirming to IS 8112. Coarse aggregates having a specific gravity of 2.60 using 20mm down grated hard blue granite broken stone jelly and fine aggregate 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 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 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 needle vibrators, finishing the surface, 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, shuttering and excluding cost of reinforcement grills placed in position etc, complete complying with standard specification and as directed by the departmental officers as follows(RCC).

Supplying and laying of Ready Mix Concrete for the grade of concrete M25 having characteristic 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 20mm down grated hard blue granite broken stone jelly and fine aggregate 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 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 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 needle vibrators, finishing the surface, 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, shuttering and excluding cost of reinforcement grills placed in position etc, complete complying with standard specification and as directed by the departmental officers as follows(RCC).

Supply fabricating and placing in position Mild Steel or Ribbed Tor Steel of various dia for all RCC works as per design 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 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 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 5.0cm 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- Upto 0.90M Height

Vertical centering- Upto 1.80M Height

Upto 2.70/3.00 M Height

3.00 to 4.00 M Height

4.00 to 5.00 M Height

5.00 to 6.00 M Height

6.00 to 7.00 M Height

7.00 to 8.00 M Height

8.00 to 9.00 M Height

9.00 to 10.00 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 (Horizontal Centering).

Supplying and erecting centering for vertical plain / 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 5.0cm 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 (Curved centering)

From 0m to 3.00m height

From 3.00m to 4.00m height

From 4.00m to 5.00m height

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

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

Chipping of exisiting concrete and roughening the surface complete complying with standard specification and as directed by the departmental officer.(W 0036)

Drilling holes 50mm dia in existing hard rock for placing Anchor rods etc., complete complying with standard specifications and as directed by the Departmental Officers. (WR W-0051)

Dewatering using upto 50HP diesel engine pumset including Hire charges, cost of Diesel, Engine oil, Pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unhloading and any other incidental charges etc., complete complying with standard specification 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

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, finishing, 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, using river sand, 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 surfaces 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

Providing 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 metrails , 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

Earthwork in all soils except hard rock requiring blasting and conveying for formation of bund with lead of 4.00 KM deploying earth moving machineries and tippers in layers of 15 cm thick including benching formation of bunds, breaking clods sectioning, extra watering, consolidation by power roller, hire charges etc., Complete complying with standard specifications and as directed by the departmental officers

Earthwork in all soil except hard rock requring blasting and conveying for formation of bund with lead of 5.00 Km deploying earth moving machineries and tippers in layers of 15 cm thick including benching formation of bunds,breaking clods sectioning and extra watering and consolidation by power roller including hire charges at site also including mineral cost seignourage cost and other taxes (Revenue Depertment ) etc, complete complying with standard specification and as directed by the departmental officers - SS 20 A

Fabricating, Supplying and erection of Screw gearing steel shutters of size above 2.00 m and upto 3.00m width consist of skin plate made out of 10mm thick mild steel plate and horizontally stiffened with 150x75mm ISMB 150 at an interval not more than 0.50m and vertical stiffeners made out of 100x50mm mild steel channel ISMC at an interval not more than 0.60m and provided with 10mm thick mild steel gusset plate of required size on both sides fastened with rust free bolts and nuts etc.Conveying the fabricated shutter by using lorries including loading, unloading and leading the shutter to the vent. Dismantling the eroded shutter and shuttering arrangements by using necessary gas cutting equipments 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 coats of Anticorrosive black paint over one coat of Red Oxide Primer. The rate including cost of materials consumables, labours power charges, conveyance 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 complying with standard specification and as directed by the departmental officers.

Fabricating, Supplying and erection of Screw gearing steel shutters of size above 1.00 m and upto 2.00m width consist of skin plate made out of 8mm thick mild steel plate and horizontally stiffened with 100x50mm mild steel channel at an interval not more than 0.50m and vertical stiffeners made out of same section at an interval not more than 0.60m and provided with 8mm thick mild steel gusset plate of required size on both sides fastened with rust free bolts and nuts etc. Conveying the fabricated shutter by using lorries including loading, unloading and leading the shutter to the vent. Dismantling the eroded shutter and shuttering arrangements by using necessary gas cutting equipment. Erecting the new shutter and the shuttering arrangements in the vent in proper position by using necessary hoisting equipment. The shutter shall be painted with two coats of Anticorrosive black paint over one coat of Red Oxide Primer. The rate including cost of materials consumables, labours power charges, conveyance charges for all equipment 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 complying with standard specification and as directed by the departmental officers

Supplying and fixing of Head Set Assembly Heavy duty with 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 dismantling the existing damaged Head set assembly, conveying and stacking at section Store. The Head set assembly supplied with operating key and the both 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 wooden pattern, moulding and charges for labours and materials and warranty for 5 years etc, complete complying with standard specification and as directed by the departmental officers

Fabricating, supplying and fixing of 80mm 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 complying with standard specification and as directed by the departmental officers.

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 complying with standard specification and as directed by the departmental officers.

Fabricating, supplying and fixing of Shutter Groove Angle made up of 100x100x10mm Mild Steel angle for required height including welding hold fast of size 40x40x6mm 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 angle should be painted with two coats of AC black paint over one coat of red oxide primer. The rate including cost of materials, consumables, labours, charges for all fabricating and hoisting equipments, conveyance, petty civil works and warranty for 5 years etc., complete complying with standard specification and as directed by the departmental officers.

Fabricating, supplying and fixing of Shutter Groove Angle made up of 65x65x6mm Mild Steel angle for required height including welding hold fast of size 25x25x6mm 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 angle should be painted with two coats of AC black paint over one coat of red oxide primer. The rate including cost of materials, consumables, labours charges for all fabricating and hoisting equipments, conveyance, petty civil works and warranty for 5 years etc., complete complying with standard specification and as directed by the departmental officers.

Fabricating, Supplying and fixing of Top Beam made up of 150x75mm (ISMB 150) duly drilled to suit the Head Set Assembly with required bed bolt made out of 25mm mild steel round rod duly threaded with suitable anchorage arrangements to a height of 0.60m with necessary Fish plate made out of 12mm mild steel plate of size 0.30 x 0.15m 2Nos with required holes.Conveying and leading the top beam arrangements to the work site. Fixing the top beam arrangements at the top of the vent in correct position including dismantling the existing eroded top beam, conveying and stacking and the section stores. The top beam 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, cost of petty civil works conveyance charges for labours and materials and warranty for 5 years etc..,complete complying with standard specification and as directed by the departmental officers

Supplying and fixing of Bottom Flat Rubber seal with Mild Steel Flat plate throughout the length of Rubber seal and fitted with the existing structure by means of Mild Steel Washers, Nuts and Bolts including dismantling the old corroded bolts by cutting, removing old flats and hardened or damaged old rubber seals beam, then conveying, loading and unloading and stacking to section store, etc.., complete complying with standard specification and as directed by the departmental officers.

Supplying and fixing of Side Music note rubber seal (Teflon claded) with Mild Steel Flat plate throughout the length of Rubber seal and fitted with the existing structure by means of Mild Steel Washers, Nuts and Bolts including dismantling the old corroded bolts by cutting, removing old flats and hardened or damaged old rubber seals beam, then conveying, loading and unloading and stacking to section store, etc.., complete complying with standard specification and as directed by the departmental officers.

Providing new 3T capacity worn gear box assembly consist of cast iron top and bottom plates, worn nut made up of pig iron, worn shaft made up of EN8 steel rod and two numbers of thrust bearings. The top and bottom plates machined to suit the worm nut and shaft. The worm nut threaded inside to suit the 63mm dia screw rod and the outer side formed with helical teeth cutting to suit the worm shaft. The worm shaft machined to the required shape and size and provided with helical teeth to suit with the worm nut.The assembly fixed with two numbers of thrust bearing one on top and another on bottom of the worm nut and fastened with required bolt and nuts. The operating key made with 80mm square rod shaping with wire cutting machine and welded with operating handle made up of 32mm dia steel rod for required length. The gear box is to be rest on the top of MS stand made up of 75x75x8mm MS angle and the top covered with 16mm thick MS plate and the stand fixed on the 150x75mm MS channel fixed over top of the beams in platform. The gear box align with the screw rod and fixed with required bolts nuts etc., complete and as directed by the departmental officers. Painting the hoisting arrangements with two coat of aluminium oxide paint over two coat of zinc rich primer The rate including cost of worm gear, cost of all materials required, labour charges, process charges like gas cutting, welding, machining, milling, labour charges for dismantling, loading, lifting, unloading, transport, erection, charges for equipment’s like derrick, chain pulley block, conveyance charges of to and fro of equipment’s and labours to the site including cost of trial operation of the Shutter, inclusive of all taxes, etc., complete and as directed by the departmental officers and warranty for 5years etc., .

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

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.

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.

Digging the diaphragm wall of 0.75 m thickness including trenching for diaphragm wall of 0.75 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 labours rate adoted as per schedule of rates)

Construction of RCC cast-in-place diaphragm wall of 0.75 m thickness with M25 concrete using Ordinar Portland cement 20 mm down graded HBGS metal) with minimum cement concrete of 473 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.

Regrading the river bed deploying the heavy machinary like dozer on use hour basis including cost of hire charges fuel crew labour etc..complete complying with standard specifications and as directed by the departmental officers (D80 A12) (WR-W0005)

Supplying and fixing Bitumen felt Pad of 15 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

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, finishing, 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

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

Pointing the surface of walls with Cement Mortar 1:4 (One Cement and four sand) flush pointing the Randam rubble including curing, finishing etc., complete as directed by the Engineer-in-charge of work and as per the technical specification

Breaking, removing and stacking for pre-measurements of existing hard rock to the required depth by cutting, drilling, breaking by using suitable special type cutting equipments with heavy breaker / diamond saw cutting machines / wire type saw machine with diamond impregnated beads wire / rock disintegrating chemicals / rock splitter / mounded breaking, wedging, chiseling trimming to proper shape where blasting is prohibited and without any environmental hazard, any vibrations and disturbance to the nearby any existing structures. The rate includes mobilizing transferring from one place to another / re-installing from one place to another / re-installing with all accessories & operating all the required materials, tools & plants viz suitable crane & drilling holes on the existing rock strata connecting the diamond cutting rope to the machine and also lifting, loading, conveying tackles along with the required labourers, electricity / DG power or Generator, watering and excavating the rock portion and depositing the same at a distance from the excavated area away from the work without obstruction to the work as specified by the departmental officers with all leads & lifts and traffic, including all incidental charges, fuel charges to all machineries, hire charges, crew charges etc complete complying with standard specifications and as directed by the department officers.

Clean removal of Cement plaster from walls and racking out joints 20mm deep complete complying with standard specification and as directed by the departmental officer. (W 0105)

plastering with cement mortar 1:4,20 mm thick including watering, finishing, curing, etc. complete complying with standard specifications and as directed by the departmental officers

Refilling with excavated soil (other than sand) complying with standard specification for filling in foundation and basement and as directed by the departmental officer.

Dismantling plain cement concrete complete complying with standard specification and as directed by the departmental officer.

Dismantling Reinforced cement concrete complete complying with standard specification and as directed by the departmental officer.

Dismantling, clearing away and carefully stacking materials useful for re-use for any thickness of walls as directed by the Engineer in charge of works and as per the technical specifications - Brick / Stone Masonry in cement mortar walls under 3m high.

Grouting the holes of 50mm dia with 1:2 (one part cement, two parts sand) Cement mortar with water cement ratio of 0.33 in the existing anicut cutoff wall provided a spacing of 3m in a staggered manner in the vertical surface for fixing anchor rod in 25mm dia RTS of 2.50m length in a such position that 100cm length embeded into the exisiting cutoff wall at a downward inclinations of 5 degree to horizontal and 150cm length projected and bend out in the glacis including the drilled hole fixing the rod and other incidential charges excluding the cost of the reinforcement bar complete complying with standard specifications and as directed by the Departmental Officers.

Applying a coat of cement slurry over the existing cut off wall with cement mortar mix CM 1:2.5 with water cement ratio of 0.70 complete complying with standard specifications and as directed by the Departmental Officers.

P.P.S. CONSTRUCTION (BID ID -1470367)

S.BASKARAN (BID ID -1470757)