Renovation of Nattar River and Rehabilitation of four anicuts constructed across Nattar river In Kalaiyarkovil Taluk of Sivagangai District

Amount

Earth work excavation deploying earth moving machinery for desilting channel having a width ofmore than 10m and forming bund on either sides and depositing the earth on banks including jungle clearance etc complete as directed by the engineer in charge

Supplying demarcation R.C.C. pre cast post in Cement concrete M20 grade with well graded aggregates and the nominal maximum size of coarse aggregate of size 20 mm of size 0.15 x 0.15 x 1.20 M and fixing the post 40 Cm depth below ground level, the post includes using 4 numbers of 8 mm RTS main rod to a length of 1.325 M, using 6 mm MS 9 numbers as strrups with steel centering and painting the post with enamel paint to a height of 0.80 M alround the post etc. complete and conveying the post to the site of demarcation boundary such as tank bund and foreshore including earth work excavation for foundation in HSC, and the post embedded by using Cement concrete M7.5 grade with well graded aggregates and the nominal maximum size of coarse aggregate of 40 mm, as per the direction of the Engineers and complying with standard specification.

Dismantling with out damaging the near by structures if any ,clearing away plain cement concrete as directed by the Engineer in charge of the works as per technical Specification ( W -34 )

Dismantling with out damaging the near by structures if any ,clearing away reinforced cement concrete as directed by the Engineer in charge of the works as per technical Specification ( W -35 )

Earth work excavating and depositing on bank with a initial lead of 10 m & initial lift of 2 m in Hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size of boulders hard gravelly soil complying with standard specification and as directed by the departmental officers.(61-SS20B)

Earth work Excavation for foundation in hard stiff clay,stiff black cotton soil, Hard red earth, shales, murrams, gravel, stoney earth and earth mixed with small size boulders and hard grvelly soil depositing on bank including shoring strutting and bailing out water wherever necessary, well rammed consolidated and deposting the surplus earth in places as shown by the departmental officers with an initial lead of 10metres and an initial left of 2 metres and clearing, levelling the site etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and filling with the M sand in 15 cm thick layer including watering compacting cost and conveyance materials etc.complete complying with the standard specification and as directed by the Engineer in charge of the works For sluices ,weirs and Retaining wall Specificatiion complete

Providing and placing in position of Plain Cement Concrete M15 using hard broken granite coarse aggregate (well graded) size of 40mm to I.S. Specification grading (to achieve the specified characteristic strength of 15 N /mm2 at 28 days) and mixing the ingredients by using mixer machine including dewatering of the placement site by balling / pumping and dewatering wherever necessary laying the concrete in layers as directed and in bays, compacting, watering, curing, finishing the surface with all leads and lifts so as to attain the profile and strength as specified in the approved drawings and specification for various depth and height below and above ground level etc., complete complying with standard specification and as directed by the departmental officers.

Concrete 1.50m depth below GL and upto 1.00m above GL

Concrete 1.50m depth below and upto 4.50m depth below Ground Level

Providing and placing in position of Plain Cement Concrete M15 using hard broken granite course aggregate (well graded) of nominal maximum size of 20mm graded to I.S.Specificaiton grading ( to achieve the specified characteristic strength of 15 N / mm2 at 28 days ) and mixing the ingredients in by using mixer machine including dewatering of the placement site by bailing / pumping and dewatering wherever necessary laying the concrete in layers as directed and in bays compacting and vibrating watering curing finishing the surface with all leads and lifts so as to attain the profile and strength as specified in the approved drawing and specification for various depth and height below and above ground level etc., complete complying with standard specification and as directed by the departmental officers. (with Vibrator)

Concrete 1.50m depth below GL and upto 1.00m above GL

Concrete 1.50m depth below and upto 4.50m depth below Ground Level

Providing and placing in position of Plain Cement Concrete of M 15 Graded Mix using hard broken granite coarse aggregate (well graded) 60% of nominal maximum size of 40mm and 40% of nominal maximum size of 20mm to I.S Specification grading (to achieve the specified characteristic strength of 15 N / mm2 at 28 days) and mixing the ingredients by using mixer machine including dewatering of the placement site by bailing / pumping and dewatering wherever necessary, laying in concrete in layers as directed and in bays compacting and vibrating, watering, curing, finishing the surface with all leads and lifts so as to attain the profile and strength as specified in the approved drawings and specification for various depth and height below and above ground level etc., complete complying with standard specification and as directed by the departmental officers. ( with vibrator)

Concrete 1.50m depth below GL and upto 1.00m above GL

Concrete 1.50m depth below and upto 4.50m depth below Ground Level

Above 1.00 m height and upto 4.50m height above ground level

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29m height for Plane surfaces as detailed below in all floors with all cross bracings using mild steel sheets of size 90 x 60 cm and 10 BG stiffened with welded mild steel angle, of size 25 mm x 25 mm x 3 mm for boarding laid over silver oak joist of size 10cm x 6.5 cm spaced at about 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc., complete complying with standard specification and as directed by the departmental officers. (payment for centering shall be given after the concrete has been laid)

For Centering without strutting

Centering upto 3.29m Height

Centering Above 3.29 m and upto 4.29m Height

Circular centring

Providing and placing in position Plain Cement Concrete of M20 using hard broken granite coarse aggregate (well graded) of nominal maximum size of 20mm and down graded to I.S specification grading ( to achieve the specified characteristic strength of 20 N/ mm2 at 28 days ) and mixing the ingredients in by using mixer machine including dewatering of the placement site by bailing / pumping and dewatering wherever necessary, laying the Concrete in layers as directed and in bays compacting and vibrating , watering, curing, finishing the surface with all leads and lifts so as to attain the profile and strength as specified in the approved drawing and specification for various depth and height below and above ground level etc., complete complying with standard specification and as directed by the departmental officers. (With Vibrator)

Providing and laying in position of Standardised Concrete Mix M20 Grade in accordance with IS 456-2000 using 20 mm down graded hard broken granite stone jelly for all RCC items of works with minimum cement concrete of 325 kg/m3 and maximum water cement ratio of 0.55, inculding admixture (plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5cu.m) 7730kg of 20mm machine crushed stone jelly and with about (3.3 cu.m) 5156 kg of 10-12mm machinecrushed stone jelly and with about (4.79 cu.m) 7670 kg of sand, but excluding cost of rainforcement grill and fabricating charges, centering and shuttering and also incuding laying, Vibrating with mechanical vibrators, finishing, curing, etc., complete complying with standard specification and as directed by the departmental officers.

Above 1.00 m height and upto 4.50m height above ground level

Providing and laying in position of Standardised Concrete Mix M25 Grade in accordance with IS 456-2000 using 20 mm down graded hard broken granite stone jelly for all RCC items of works with minimum cement concrete of 350 kg/m3 and maximum water cement ratio of 0.55, inculding admixture (plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5cu.m) 7730kg of 20mm machine crushed stone jelly and with about (3.3 cu.m) 5156 kg of 10-12mm machinecrushed stone jelly and with about (4.79 cu.m) 7670 kg of sand, but excluding cost of rainforcement grill and fabricating charges, centering and shuttering and also incuding laying, Vibrating with mechanical vibrators, finishing, curing, etc., complete complying with standard specification and as directed by the departmental officers.

Concrete 1.50m depth below GL and upto 1.00m above GL

Concrete 1.50m depth below and upto 4.50m depth below Ground Level

Above 1.00 m height and upto 4.50m height above ground level

Supplying, fabricating and placing in position of ribbed tor steel bars of various diameters for all reinforced concrete works, including cost of rods and binding wire, labour charges for cutting the bending, tying and fixing in position for various depths and heights below and above ground level complete as directed by the Engineer complying with standard specification

Pointing with cement mortar(1:3) flush pointing in random rubble masonry as directed by the Engineer in charge of work complying with the standard specification.

Plastering with Cement Mortar 1:3 (One cement and Three sand), 12mm thick in all floors including curing etc. complete complying with standard specification and as directed by the departmental officers.

Providing launching apron using new hard granite jeddy stone of not less than 300mm size and weight not less than 40kg including stacking for premeasurement the cost of new stones wedges for filling the gaps.finishing neatly, etc., complete complying with standard specification and as directed by the departmental officers.

Gravel packing for revetment and apron in layers not exceeding 15cm thick, including watering, consolidation and trimming the top surface so as to receive the Rough Stones and including stacking for pre measurement etc., complete complying with standard specification and as directed by the departmental officers.

Rough stone dry packing for side revetment using new rough stones for apron and revetment including stacking the rough stone for premeasurement, cost of new stones, wedges for filling the gaps, finishing neately etc., complete complying with standard specification and as directed by the departmental officers.

Providing and fixing weep holes with 110mm dia PVC pipe of working pressure of 4Kg/cm2 to a required length for fixing concrete protection / Retaining wall, Abutment & Wing wall including cost of all materials to work site including labour charges for 90cm spherical backfill arrangement 100 mm dia size broken stone granite gharges of the peripery and labour charges for fixing to drain the back fill etc., complete complying with standard specification and as directed by the departmental officers.

Providing construction contraction and lift joints in masonry, concrete including cutting, jointing the PVC Water stopper of 230mm width and placing Mastic pad of 20mm thick (1.04 kg of asphalt & 0.23m2 of Mastic pad required for 1 Rm) at the joints below the water stopper after cutting to the required size including filling the joints with mastic filling as specified in the drawings and specification etc., complete complying with standard specification and as directed by the departmental officers.

Providing construction contraction and lift joints in concrete including placing Mastic/Tar pad of 20mm thick (1.04 kg of asphalt and 3.29 m2 mastic pad required for 1 Rm.) at vertical joints in side of wall in required size as specified in the drawings and specification etc., complete complying with standard specification and as directed by the departmental officers. ( for Wing Wall )

Fabricating, Supplying and erection of Screw gearing steel shutters of size above sizw upto1.00 m width consist of skin plate made out of 8mm thick mild steel plate and horizontally stiffened with 65x65x6mm 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 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 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.

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 plateof 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.

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

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

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.

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.

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 malerials, labours, charges for wooden pattern, moulding and charges for labours and materials and warranty for 5 years etc, complete..

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 rust fre bolts and nuts in proper alignment including dismantling the existing damaged Head set assembly, conveying and stacking at sectio 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.

Fabricating, Supplying and fixing of Top Beam made up of 200x100mm (ISMB 200) 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 16mm mild steel plate of size 0.20x 0.30m 2 Nos with required holes. Conveying and leading the top beam 25 arrangements to the work site. Fixing the top beam arrangements at the top of the vent in correct (e) 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

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 0.30x 0.15m 2 Nos 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 (e) 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

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.

Supplying and fixing of Side rubber seal - Z type 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.

Fabricating, supplying and fixing of steel paddle shutter of various sizes made up of 6mm MS plate stiffened with 50x50x6mm MS angles connected with a stem made up of 65x65x6mm angle providing with holes for locking. The stem handles made with 20mm MS plain rod 'U'clamp for locking arrangement made of 65x8mm MS plate and lockingbar made up of 50x8mm MS plate The rate inclusive of transport, loading unloading at site and dismantling the old shutter convey it to the section store, painting the new shutter with one coat of Red Oxide and inclusive of all taxes and central excise duty etc., complete.

GST 18%(in figures)

P.P.S. CONSTRUCTION (BID ID -1440955)

PSB Construction (BID ID -1441481)