Rehabilitation of Poonaikuthiyar Anicut across 10.30 km of Poonaikuthiyar River in Nattanikkottai Village of Peravurani Taluk in Thanjavur District

Amount

Dismantling clearing away and carefully stacking materials useful for re-use for any thickness of walls in Brick masonry in cement mortar walls under 3 height etc., complete complying with standard specification.

Dismantling clearing away and carefully stacking materials useful for re-use for any thickness of walls in Plain cement concrete etc., complete complying with standard specification.

Earthwork excavating and depositing on bank with initial lead of 10m and initial lift of 2m in sand ,silt or other loose soil, wet sand or silt not under water, light black cotton soil, sandy loam and ordinary soil including excavated earth etc., complete and as directed by the departmental officers.

Earth work excavation for foundation in all kind of soils and sub soils to full depth except hard rock, medium rock, requiring blasting inclusive of shoring, strutting and bailing out water wherever necessary, refilling the sides of foundation with excavated earth in layers of not more than 15cm thick well rammed and compacted and depositing the surplus excavated earth in places shown by the departmental officers with initial lead of 10 metres and initial lift of 2 metres clearing and leveling the site etc., complete and as directed by the departmental officers.

Providing and placing Plain Cement Concrete M10 grade using 40 mm size hard broken stone jelly (well graded) to I.S specified grading (To achieve the specified characteristic strength of 10N/mm2 in 28 days) and mixing the ingredients in approved mixer, placing in layers of not more than 15cm thick including ramming, curing, finishing the surface etc., complete and as directed by the departmental officers.

Supplying and erection of steel centering for sides and soffits Without Strutting up to 3 m height for plain surface with all cross bracings using MS sheets of sizes 90x60 cm and B. G. 10 stiffened with welded MS angles of size 25x25x3mm for boarding laid over country wood joists of size 10x6.5 cm spaced 90 cm C/C and supported by casurina props 10 to 13 cm dia (spaced at 75 cm C/C) complying with standard specification, etc. complete and as directed by the departmental officers.

Supplying and erection of steel centering for sides and soffits including Strutting up to 3 m height for plain surface with all cross bracings using MS sheets of sizes 90x60 cm and B. G. 10 stiffened with welded MS angles of size 25x25x3mm for boarding laid over country wood joists of size 10x6.5 cm spaced 90 cm C/C and supported by casurina props 10 to 13 cm dia (spaced at 75 cm C/C) complying with standard specification, etc. complete and as directed by the departmental officers.

Providing and placing Plain Cement Concrete M15 grade using 20mm size hard broken granite stone jelly course aggregate to I.S specified grading (To achieve the specified characteristic strength of 15N/mm2 in 28 days) and mixing the ingredients in approved mixer, placing in layers and vibrating, curing, finishing the surface with all leads and lifts etc., complete in all respects so as to attain the profile and strength specified in the approved drawing and specifications as per the direction of the engineer in charge of works and complying with standard specifications.

Providing and placing Reinforced Cement Concrete Design mix M20 grade using hard broken stone jelly (well graded) of nominal maximum size of 20mm and downgraded to I.S specified grading (To achieve the specified characteristic strength of 20 N/mm2 in 28 days) and mixing the ingredients in approved mixer, placing in layers and vibrating, curing, finishing the surface with all leads and lifts etc., complete in all respects so as to attain the profile and strength specified in the approved drawing and specifications as per the direction of the engineer in charge of works complying with standard specification.

Providing and placing Reinforced Cement Concrete Design mix M25 grade using hard broken stone jelly (well graded) of nominal maximum size of 20mm to I.S specified grading (To achieve the specified characteristic strength of 25 N/mm2 in 28 days) and mixing the ingredients in approved mixer, placing in layers and vibrating, curing, finishing the surface with all leads and lifts etc., complete in all respects so as to attain the profile and strength specified in the approved drawing and specifications as per the direction of the engineer in charge of works complying with standard specification.

Supplying, fabricating and placing in position of mild steel or ribbed Tor steel grills for all Reinforced cement Concrete works including cost of steel, binding wire, decoiling, bar bending, Mild steel or Ribbed Tor steel with all leads and lifts etc., complete and as directed by departmental officers.

Earth work in all soils except hard rock requiring blasting and conveying for formation of bund with lead of 0 to 100m deploying earth moving machinery and tippers including benching, formation of bunds, breaking clods sectioning and consolidation by power roller 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 including all taxes etc., complete.

Fabricating supplying and fixing of shutter Groove Angle made up of 100 x 100 x 10 mm Mild Steel angle for required height including welding hold fast of size 40 x 40 x 6 mm 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 Anticorrosive 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 including all other taxes etc., complete

Fabricating, supplying and fixing of 80 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 Anticorrosive 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 including all other taxes etc., complete.

Fabricating, Supplying and fixing of Top Beam made up of 200 x 100 mm (ISMB 200) 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 16 mm Mild Steel Plate of size 0.20 x 0.30m 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 in correct position including dismantling the existing eroded top beam, conveying and stacking at the section store. The top beam should be painted with two coats of Anticorrosive black paint over one coat of red oxide primer. The rate including cost of materials, labours, charges for all fabricating and hoisting equipments, cost of petty civil works conveyance charges for labours and materials and including all other taxes etc., complete.

Fabricating, Supplying and fixing of Head Set Assembly medium duty with hexagonal nut (approximate 120Kg) 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 both should be painted with two coats of Anticorrosive black paint over one coat of red oxide primer. The rate including cost of materials, labours, charges for wooden pattern, moulding and charges for all machining equipments, conveyance charges for labours and materials and including all other taxes etc., complete.

Earth work excavation deploying earth moving machineries for desilting channel having a width of more than 10 m and forming bund on either side and depositing the earth on banks including jungle clearance etc complete and as directed by the departmental officers.

Plastering with cement mortar 1:3 (One cement and three M.Sand) 20 mm thick including curing, finishing etc. complete complying with standard specification and as directed by the departmental officers.

Refilling with excavated earth (other than sand) with all leads and lifts for filling the open cut where ever necessary in layers including breaking clods , watering and compaction using power roller sectioning etc. complete complying with standard specification and as directed by the departmental officers.

GST at 18%

TST AND CO