Construction of Tail end Regulator across Nandalar river at LS 52.600 km to arrest sea water intrusion at Chandrirappadi Village in Tharangambadi Taluk of Mayiladuthurai District.

Amount

Clearing Light jungle and destroying them effectively etc., complete 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 and as directed by the departmental officers.

Earth work excavating and depositing on bank with initial lead of 10m and initial lift of 2m in hard stiff clay , stiff black cotton, hard red earth, shales, murram, gravel, stoney earth, and earth mixed with small sized boulders etc., complete complying with standard specification and as directed by the departmental officer.

Earth work excavating for foundation in all kinds of soils and sub soils and depositing on bank with initial lead of 10 m and initial lift of 2 m except hard rock requiring blasting to full depth as may be directed inclusive of shoring strutting, bailing out water wherever necessary and refilling the sides of foundation with excavated earth as per standard specification and as directed by the departmental officers.

Supplying and filling in foundation, basement, etc. with filling M- sand in layers of not more than 15 cm thick well watered, consolidation etc. complete complying with standard specification and as directed by the departmental officers.

Supplying and filling in foundation with Msand Gravel mix in ratio of 30:70 in layers of not more than 15cm thick thoroughly mixed, well watered, rammed and consolidated etc.,complete complying with standard specification and as directed by the departmental officers.

Providing and placing Plain Cement Concrete M10 grade using crusher broken hard granite course aggregate (well graded) of nominal maximum size of 40mm to I.S specified grading (To achieve the specified characteristic strength of 10N/mm2 in 28 days) and mixing the ingredients in approved mixer including dewatering of the placement site by baling / pumping and diverting wherever necessary placing in layers and vibrating, water curing, finishing the surface with all leads and lifts etc., complete complying with standard specification and as directed by the departmental officers. (Sulphate Resisting Cement)

Supplying and erection of steel centering for sides and soffits without strutting for plain surface with all cross bracings using mild steel sheets of size 90x60cm. And B.G. 10 stiffened with welded M.S. angles of size 25x25x3 mm for boarding laid overcountry wood joists of size 10x6.5cm spaced 90cm. Centre to centre etc.,complete complying with standard specification and as directed by the departmental officers.

Supplying and erection of steel centering for sides and soffits with strutting upto 3m height for plain surface with all cross bracings using mild steel sheets of size 90x60 cm. And B.G. 10 stiffened with welded M.S. angles of size 25x25x3 mm for boarding laid overcountry wood joists of size 10x6.5cm spaced 90cm. Centre to centre and supported by casurina props of 10 to 13 cm dia (spaced at 75cm. c/c) etc.,complete complying with standard specification and as directed by the departmental officers.

Supplying factory Fusion Bonded Epoxy Coated with minimum 175 microns thickness H.Y.S.D. steel (Cold, Twisted ) reinforcement for R.C.C work including cost and conveyance from point of purchase to reputed company and to site after coated straightening, cutting, bending, hooking, placing in position, lapping and / or welding wherever required, tying with binding wire and anchoring to the adjoining members wherever necessary complete as per design etc., complete as per specifications.

Supplying and laying of ready mix for M30 grade of concrete having charaterstic strength not less than specified in the IS 456 - 2000 using Sulphate Resisting 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 with 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 320 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 etc, complete complying with standard specifications and as directed by the departmental officers (PCC).

Providing and laying in position Ready mixed Reinforced Cement Concrete of M 30 grade in accordance with IS 456-2000 using 20mm size (HBGS) hard broken granite stone jelly for RCC works to attain the specified characteristic strength not less than 30N/mm2 at 28 days and manufactured in fully automatic batching plant and transported to site of work in transmit mixer including pumping RMC from transmit mixer for all leads, having continuous agitated mixer, including pumping RMC from transit mixer to site of laying admixtures in recommended proportions as per IS 9103 to accelerate / retard setting of concrete, improve workability without impairing strength and durability as per the direction of Engineer-in charge including production cost of concrete by mixer plant including batching, mixing, hire charges for machineries such as batching plant, Generator, and carriage of concrete by transporting the concrete from batching plant to the site by using transit mixer including charges for operator and helpers and pumping of concrete from site to the required location including hire charges of pump, piping work and accessories etc., labour for pouring, consolidating and etc., complete complying with standard specifications and as directed by the departmental officers. (Sulphate Resisting Cement)

Gravel packing for Revetment and block protection including cost of materials, conveyance and all labour charges, lead and lifts etc., complete as directed by the departmental offcers.

Supplying and filling in foundation below CC block 40mm thick graded inverted filter provided in two or more layers (ie 50 mm, 40 mm , 20 mm and 12 mm size metal )etc., complete complying with standard specification as directed by the departmental officers .

Supplying and filling loose boulders of Size more than 300mm and weight more than 40kg in U/S and D/S apron using including conveyance,cost of materials etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and Filling of gravel including cost of gravel, conveying and stacking at site of work for pre-measurement and working up with water etc as directed by the Engineer in charge of works

Earthwork in all soils except hard rock requiring blasting and conveying for formation of bund with a lead of 10 Km (MR) deploying earth moving machinery and tippers including benching, formation of bunds, breaking clods ,sectioning, compaction by power roller with watering and consolidation in layers of not more than 15cm thick etc.,complete complying with standard specification as directed by the departmental officers.

Dewatering using 7.5HP 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 specification and as directed by the departmental officers.

Precasting Cement Concrete Block of size 30x25x25cm in plain cement concrete of mix M15 using 20mm size hard broken stone jelly and mixing the concrete and laying the concrete in steel moulds after oiling them properly at casting yard and vibrating, finishing the top surface smoothly placing the slab along with the mould and baseplate in the casting yard, removing the mould carefully after initial setting, placing the slab in the curing pond after 24 hours from the time of casting, removing them from the curing pond after 7 days of curing, stacking them in the stacking yard with in a lead of 100m and curing them for the full period by sprinkling water as directed by the departmental officers. Then conveying the precast cement concrete slabs from the casting yard as specified in the lead statement to the work site including all charges such as for loading at casting yard, conveying the slabs and unloading to the work site and laying the precast cement concrete slabs in the slope of the canal / River to the correct alignment and section of the Canal / River with joints not exceeding 6mm, packing with cement mortor1:2 (One Cement and Two Sand ) and doing simultaneous flush pointing with the same mortor to full depth of slabs and finishing neatly and curing for 21 days as directed by the Departmental Officers, Excluding the sleeper and the charges for laying the binders if any involved in the work complying with standard specification,. Water proofing compound shall be used in cement mortor as per standard specification.

Design, fabricating, supplying and erection of screw gearing stainless steel shutters of size 3.00m x 1.60m width consists of skin plate made out of 12mm thick stainless steel (ss316gr) rsj plate and horizontally stiffened with 150 x 75mm rsj (ss316gr) at an interval not more than 0.50m and vertical stiffeners job made out of 125x10mm (ss316gr) flat at an interval not more than 0.60m and End vertical made up of 125x10mm (ss316gr) flats 2nos on both sides provided with 125mm dia (ss316gr) rollers 2nos on both sides with 1 1/2" dia gun metal bushes and 1" dia roller pins for smooth operation. The shutter lifted with 12mm thick (ss316gr) gusset plate required size on both sides fastened with rust free bolts and nuts etc. Providing leakage arrest pipe arrangements made with 75mm dia stainless steel 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 (ss316gr) flats fastened with required rust free bolts & nuts conveying the fabricated shutter by using lorries including loading, unloading and leading the shutter to the vent. Erecting the new shutter and the shuttering arrangements in the vent in the proper position by using necessary hoisting arrangements and for shutter groove channel made up of 175x175x10mm stainless steel channel for required height including welding hold fast of size 50x50x6mm angle 3nos on both sides. The groove angle weld with sill beam made out of size 150 x 75mm RSJ of ms length of required and top of sill beam on ss sill flat with welding holdfast of 75 x 8mm ss flat conveying and leading the groove angle to the vents. Fixing the angle to the grooves in proper alignment including conveying and stacking at section store and for 80mm dia screw rod made up of stainless steel (ss316gr) 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 and for top beam made out of 200x100mm (ISMB) duly drilled to suit the head set assembly with required bed bolt made out of 25mm Stainless steel (ss316gr) round duly threaded with suitable anchorage arrangements to a height of 0.9m with necessary fish plate made out of 20mm stainless steel (ss316gr) plate od size 0.23x0.30m 2 nos. with required holes. The rate including cost of material, consumables, labour, power charges, conveying charges, charges for all equipment's, cost of petty civil works, trial operation of shutter and excluding all taxes etc., and complete as directed by the Engineer in charge of works.

Providing Auto Mechanical Arrangements and including design, fabrication, supply and erection of worm gear box and electric motor for easy operation of shutter. The new 3Tonne capacity worm gear box assembly consist of cast iron top and bottom plates, worm nut made up of gun metal, worm 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 80mm 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 connected other side with 3Hp reversible geared motor with output Rpm125, 3-Phase, 400-440 volts, 50 cycle suitable for reversing is to be fixed with reduction gear box drive shaft by using suitable flexible couplings and provided with dog clutch arrangement made up of cast steel of required size for switching manual to mechanical operation is to be provided in the worm shaft in between the worm gear box and motor. The motor and gear box assembly fixed over the stand on platform made up of 75 x75 x 6mm SS angle and 16mm thick SS plates and the stands should be rested on 150 x 75mm SS channel to be provided as additional stiffener of existing platform. The motor and gear box assembly protected with a dust proof cover made up of 18G GI sheet stiffened with mild steel angles. The motor controlled by reversible starter with suitable main and all other accessories, provided in the panel board. The Panel board made up of 18G sheet for required size strengthened with MS angles. Limit switches for lower level and upper level of the shutter to be provided in the steel pipe for control the operation of the gate. The level indicator with limit switch striker is to fixed on the top of the screw rod to measure the opening level of the shutter and cut off the power at lower level and upper level of the shutter synchronized with the limit switches. Painting the motor and worm gear box assembly 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 motor assembly, exclusive of all taxes, etc., complete and as directed by the departmental officers.

Fabricating, supplying and erection of Screw Gearing Steel Shutters of Size above 1.00m and up to 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 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, charges for all equipments required conveying the dismantled materials to the section stores, cost of petty civil works, trial operation of shutter and excluding all taxes etc., complete.

Fabricating, supplying and fixing of shutter Groove angle made up of 65 x 65 x 6mm Mild steel angle for required height including welding hold fast of size 25 x 25 x 6mm Mild steel angle of 2 Nos on both sides and conveying and leading 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 excluding all other taxes etc., complete complying with standard specification and as directed by the departmental officer.

Fabricating, supplying and fixing of 63 mm 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 excluding all other taxes etc.,complete complying with standard specification and as directed by the departmental officers.

Fabricating, Supplying and fixing of Top Beam made up of 150 x 75 mm (ISMB 150) duly drilled to suit the Head set 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 0.30 x 0.15m 2 Nos with required holes. Conveying and leading the top beam arrangements to the worksite. Fixing the top beam arrangements at the top of the vent to 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 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 excluding all other taxes etc.,complete complying with standard specification and as directed by the departmental officers.

Fabricating, Supplying and fixing of Head Set Assembly Medium duty with hexagonal nut (approximate 70 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 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 all machining equipments, conveyance charges for labours and materials and Excluding all other taxes etc., complete complying with standard specification and as directed by the departmental officers.

Construction of granular sub-base by providing close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401

Providing and laying, spreading and compacting graded stone aggregates to Wet Mix Macadam 250 mm thick specification including premixing the materials with water at OMC in mechanical mix plant carriage of mixed material by tipper to site laying in uniform layers with pavers in Sub Base/ Base course on well prepared surface and compacting with vibratory roller to acheive the desired density including cost of material, labour charges, rentals for machinery, fuel and all other incidental charges etc., complete as per clause 406 of MORTH Rev-5

Providing and laying Prime Coat over WBM/ WMM surface using 7 Kg of Emulsion Bitumen (SS1) per 10 sqm for preparatory to another bituminous construction over it, including cost of material, labour charges, rentals for machinery, fuel and all other incidental charges etc., complete as per Clause 502 of MORTH Rev-5

Providing and laying Tack Coat over WBM/ WMM surface (treated with primer) using 2.50 Kg of Bitumen Emulsion (RS1) per 10 sqm for preparatory to another bituminous construction over it including cost of material, labour charges, rentals for machinery, fuel and all other incidental charges etc., complete as per Clause 503 of MORTH Rev-5

Providing and laying 50mm consolidated thick dense Bituminous Mecadam using 0.20 cum of 26.50-13.20 mm, 0.43 cum of 13.20 - 2.36 mm and 0.08 cum of 2.36 mm & below size IRC metal with 37 Kgs. of VG30 Grade bitumen for premixing per 10 sqm including cost and coveyance of all materials to CMP site heating the bitumen and aggregate to required temperature and mixing them in required temperature in central hot mix plant 20-30 ton capacity, conveying the mix by tipper trucks to paver site, spreading the mix to uniform thickness of 50 mm with mechanical paver to the specified grades and cross sections and consolidated by 8-10 tonne Vibratory / Pneumatic Roller to the required density etc., including labour for attending to paver to site etc., including hire charges and fuel charges for 20-30 t CMP with bitumen boiler, tipper trucks, paver Finisher / 9m paver finisher, vibratory / pneumatic roller and all other tools and plant required, including fuel and all other incidental charges etc., complete as

Providing and laying Bituminous Concrete to 40 mm thick using 0.13 cum of 19.00-9.50mm, 0.17 cum of 9.50-2.36mm and 0.26 cum of 2.36 and below with 50.30 kgs of VG30 grade bitumen for premixing per 10sqm including cost and conveyance of all materials to CMP site, heating the bitumen and aggregate to required temperature and mixing them in required temperature in central hot mix plant 20-30 ton capacity, conveying the mix by tipper trucks to paver site, spreading the mix to uniform thickness of 40mm with mechanical paver to the specified grades and cross sections and consolidated by 8-10 tonne Vibratory / Pneumatic Roller to the required density etc., including labour for attending to paver to site etc., including hire charges and fuel charges for 20-30 t CMP with bitumen boiler, tipper trucks, Paver Finisher / 9m paver finisher, Vibratory / Pneumatic roller and all other tools and plant required, including fuel and all other incidental charges etc., complete as per specification using CMP as per clause 507 of MORTH Rev-5

Sri Sivaram and co (BID ID -1282929)

SAKTHI ENGINEERS (BID ID -1282884)

CMK Projects Private Ltd., (BID ID -1280086)