Construction of Check Dam across Pennaiyar River at Melpattampakkam Village in Panruti Taluk of Cuddalore District.

Amount

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

Earth work excavation by deploying earth moving machinery including jungle clearence and depositing the same as shown by the departmental officers including leveling, excluding formation of bund 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)

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)

Providing and placing in position of plain cement concrete M10 grade using sand 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

For works upto 1.50 m depth below ground level and upto 1.00 m height above ground level

For works above 1.50 m to 4.50 m below ground level

For works above 4.50 m to 9.0 m below ground level

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 5.0 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 centering- Upto 0.90 M Height

Upto 1.80 M 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

Supplying and erecting centering for sides and soffits and strutting height follows 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

For Horizontal Surface of Height 7m to 8m

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

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

For works upto 1.50 m depth below ground level and upto 1.00 m height above ground level

For works above 1.50 m to 4.50 m below ground level

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

For works upto 1.50 m depth below ground level and upto 1.00 m height above ground level

For works above 1.0 m to 4.50 m height above ground level

For works above 4.50 m to 9.00 m height above ground level

Providing and placing in position of Reinforced Cement Concrete M20 using sand hard blue granite broken stone jelly of 20 mm size mixing with mixer machine and laying in layers of not exceeding 15 cm thick excluding form works, centring, shuttering and steel fabrications including laying, 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 1.00 m height above ground level

For works above 4.50 m to 9.00 m height above ground level

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 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)

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

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 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

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, 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 etc complete and complying with standard specification as directed by the departmental officers

Fabricating, Supplying and erection of Screw gearing steel shutters of size above width of 3.20m x 1.20m height consist of skin plate made out of 12mm 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 at an interval not more than 0.60m and end vertical made up of 100x50mm mild steel channel 2 Nos on both sides, provided with 100mm dia steel Rollers 2 Nos on both sides with 100mm dia MS Rollers 2 Nos on both sides with 2" dia Gun metal bushes and 1" dia roller pin for smooth operation. The shutter lifted with 12mm thick mild steel gusset plate of required size on both sides fastened with rust free bolts and nuts etc. Providing leakage arrest pipe arrangements made with 75mm dia B-Class G.I Pipe at both ends for required height hanged in chain from the top of the shutter. The bottom seal made up of 75x10mm rubber seal covered with 65x8mm steel flats fastened with required with rust free bolts and Nuts. 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.

Fabricating, Supplying and fixing of Top Beam made up of 300x140mm (ISMB 300) 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 0.90m with necessary Fish plate made out of 20mm mild steel plate of size 0.23x 0.30m 2 Nos to place the beam in position including petty civil works and painting with two coats of Anticorrosive black paint with one coat Red Oxide primer etc., including dismantling old beam conveying, loading and unloading and stacking to section store warranty for 5 years etc.., complete.

Fabricating, supplying and fixing of 100mm 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 quipments,conveyance charges for labours and materials and warranty for 5 years etc., complete, etc.,

Fabricating, supplying and fixing of Shutter Groove Angle made up of 150x150x12mm Mild Steel angle for required height including welding hold fast of size 50x50x6mm 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, onveyance, petty civil works and warranty for 5 years etc., complete.

Supplying and fixing of Horn Type Head Set Assembly Heavy duty consist of the bottom and top portions (Approximate 150 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 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.

Supplying and fixing 300mm wide PVC EXPANSION JOINT in the 20mm expansion gap provided in between decks over piers and in between deck and dirt wall over abutment as shown in the drawing including cost and conveyance of expansion joints including shalimar pad and joint sealant etc., complete

Supplying and fixing PVC water stopper heavy duty of 230 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

Dewatering using 20 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 of PVC pipe 110 mm dia (4Kg/cm2) for weep holes provide in the wing walls of either side etc.,complete as directed by the departmental officer.

Providing and placing in position of porus concrete of 1:4 mix (one cement and Four jelly) using hard blue granite broken stone jelly of size 20mm for 10cm dia, 30cm long including mixing ,laying finishing, curing etc., complete complying with standard specifications and as directed by the departmental officers

Earth work excavation in all soils except hard rock requiring blasting and conveying for formation of bund with lead 9 Km by deploying earth moving machineries and tippers including benching formation of bunds, breaking clods, ramming, sectioning with extra watering and consolidation by power roller and including 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 on hour basis including cost of hire charges, fuel, labour etc complete compyling with standard specifications and as directed by departmental officers - for regrading 150 m3 using dozer D-80-A12

Supplying and fixing in position of demarcation R.C.C. pre cast post in Cement concrete of grade M 15 with well graded aggregates and the nominal maximum size of coarse aggregate of size 20 mm of size 0.20 x 0.20 x 1.45 M and 0.45 x 0.20 x 0.30 m base fixing the post 30 Cm depth below ground level, the post includes using 4 numbers of 12 mm RTS main rod to a length of 1.45 M, using 6 mm MS @ 23 cm spacing as strips with steel centering and painting the post with enamel paint allround the post etc. complete and conveying the post to the site of demarcation boundary such as canal bund/water spread area etc including earth work excavation for foundation in HSC having the base plain cement concrete of 15 cm of grade M 7.5 with well graded aggregates and the nominal maximum size of coarse aggregate of 40 mm, and the post embedded by using Cement concrete of grade M15 with well graded aggregates and the nominal maximum size of coarse aggregate of 20 mm as per the drawing enclosed including cost of earth work, concrete, moulding charges, steel reinforcement, finishing, watering, curing, painting them and marking at top of post, etc .complete complying with standard specifications and as directed by the departmental officers

Earth work open well excavation complying with relevant clauses of T.N.D.S.S. Well sinking and with lead upto 10 metre in sand, silt or other loose soil, Wet sand or silt not under water, light black cotton soil, sandy loam and ordinary soil - First depth of 2 metre.

Providing and placing in position of Cement concrete M 10 using Sand, hard blue granite broken stone jelly of 60% 40 mm size 40% of 20mm 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 by using vibratores, finishing, watering, curing 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 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 (Curved Centering)

Upto 90 Cm

Upto 270 Cm or 300 Cm

3.00 to 4.00 m Height

Drilling of 150 mm bore wells in sedimentary area of sand to the required depth as directed by the departmental officers including labour charges for inserting casting pipes assembly in the drilled holes, if necessary grouting the casing pipe etc., including transportation charges for the rigs and supporting vehicles from one place to another place ( the casing pipe has to be supplied by the contractor at the rates noted in a separate item)

Supplying and erection of special blue slotted pipe of size 160mm dia, 6 Kg best approved quality with ISI mark with necessary PVC coupling etc., complete complying with standard specifications

Supplying and fixing of suitable end cap for 160mm dia PVC Pipes standard specification

Supplying and fixing position of precast slab of size 1.00 x 0.45 x 0.10m thick in Reinforcement cement concrete of M15 grade using hard blue granite stone jelly of size 20mm including cost of steel and fabrication (3 Nos 0.90m length and 5 Nos 0.40m length ) cost of Silver oak wood mould charges, finishing, curing etc., complete complying with standard specifications and as directed by the departmental officers

Supplying and fixing of suitable 75mm dia PVC pipes as per standard specifications

Supplying and filling of 40mm HBS jelly including cost of conveyence of materials to site of work as per standard specifications

Drilling of Borewell anywhere in Tamilnadu including transportation from one place to other place within Tamilnadu in alluvial soil or sedimentary strata of clay and sand stone, shale, pebbles, boulders etc., by first taking a pilot bore of 140mm/150mm dia and then enlarging to required dia by direct or reverse rotary mud circulation method using contractor’s rig, fuel, labour, drilling, betonite mud and water required for drilling at the site shown by the officers including construction of mud pit for Drilling of 140/150mm Pilot bore

Upto 60m depth ending below ground level

From 60m upto 90m depth ending from ground level

From 90m upto 120m depth ending from ground level

Reaming 140/150 mm dia pilot bore to 300mm dia bore as directed by the Departmental officers.

Upto 60m depth ending below ground level

From 60m depth and upto 90m depth ending below level

From 90m upto 120m depth ending below ground level

Supply of PVC casing pipes as per IS 12818 / 1992 and as amended from time to time with ISI marking of following diameter in 3m length with screwed and socket end. Complete and as directed by departmental officers.

150mm PVC Plain casing pipes

150mm Ribbed Screen pipes

Labour charges for inserting 150mm dia (PVC Casing pipes assembly with slots or without slots) in the drilled hole including jointing the pipes etc.,complete and supplying and packing the annular space with pebbles of size and quality as approved by the departmental officers.

Charges for developing the Borewell with air compressor of 600 CFM capacity (Minimum 8 Hours) including transportation, labour and fuel charges for compressor as directed by the Departmental officers and conducting yield test by ‘V; notch method.

Supply of 6 inch dia PVC end cap for bore hole

Provision for supply of clamps for 110mm pipe clamp fitting with bolt and nuts washers-for resting it on the platform

Supplying and fabricating MS Box with sides made up of Gauge MS sheet, open at bottom with necessary door tobe opened at top erection over concrete masonery. The size of box should be 600mm long, 600mm wide and 400mm height on the front side and 500mm height on the rear side Top door has to be provided with minimum ten centimeter sloped projection on all sides with cross bracings M.S. plate size 16mm x 5mm and 10 gauge MS sheet and provided with special type of roller hinges and locking arangements. The box should cover over the frame of M.S. angles of size 35mmx35mmx5mm, 4nos vertical angle should be embedded in the platform concrete to a depth of 0.3m and anchored. The whole box arrangements should be painted with 2 coats of enamel paint over the primary coat and conveyance to the working site and fixing in position and as directed by the departmental officers.

Providing and placing in position of plain cement concrete in cement mortar 1:3:6 (One cement, Three sand and Six coarse aggregate) using hard blue granite broken stone jelly of 20 mm size including the cost of bailing and 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 1:2:4 (one cement, two sand and four hard broken stone jelly) using hard blue granite broken stone jelly of 20 mm size including the cost of bailing and 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

Plastering with Cement Mortar 1:3 (One cement and four sand) 12mm thick including all incidental chares such as scaffolding finishing curing for various depth and height below and above ground level etc complete as directed by the Engineer in charge of work complying with the standard specification

Painting two coats with approved cement paint over cement plastered wall surface, ceiling and other new surface, including cleaning, preparing the surface and curing, etc., complete complying with standard specifications and as directed by the departmental officers

GST 18 % in Figures

SEA ROCK INFRASTRUCTURE (BID ID -1442667)

SRI PATHY ASSOCIATES PRIVATE LIMITED (BID ID -1443202)