Providing Flood Regulator in Perumbakkam Tank and Ottiyambakkam Tank in Tambaram Taluk of Chengalpattu District

Amount

Perumbakkam Tank

Ottiyambakkam Tank

Description of Work / Item(s)

Amount

Earth Work Narrow 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 of surface 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.

Earth work excavation for cut open the bund and depositing on bank with an initial lead of 10m and initial lift of 2m in hard stiff clay stif black cotton hard red earth shales, murrams and gravelly stoney earth and earth mixed with small size boulders SS20B

Supplying and spreading sand - gravel mix ratio of 1 : 1 for 10 cm thick over the top of bund and other places as required at site of work including watering and consolidation using power roller, etc, complete complying with standard specifications and as directed by the departmental officers.

Providing and placing in position of plain cement concrete M 15 grade using M Sand and graded hard blue granite broken stone jelly of 60% 40 mm size and 40% of 20 mm size mixing with mixer machine and laying in layers including the cost of bailing / pumpingout surface water 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

Providing and placing in position of Reinforced Cement Concrete M 20 using M Sand and hard blue granite broken stone jelly of 20 mm size mixing with mixer machine including the cost of bailing / pumping out of surface water wherever necessary laying the concrete in layers of not exceeding 15 cm thick, excluding from works centering, shutterng and steel fabrications, compacting, consolidation by using Vibrators, finishing, watering, curing, etc., complete complying with standard specifications and as directed by the departmental officers

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

Supplying and erecting centring for vertical plain / RCC concrete walls of supply channel, retaining wall etc of follwing 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)

0 to 0.90m height

0 to 1.80m height

0 to 2.70 or 3.0m height

Fabricating supplying and fixing of shutter Groove Angle made up of 100 x 100 x 10mm Mild Steel angle for required height including welding hold fast of size 40 x 40 x 6mm 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 warranty for 5 years etc., complete.

Fabricating, Supplying and fixing of Top Beam made out of 200 x 100mm (ISMB 200) duly drilled to suit the Head set Assembly with required bed bolt made out of 25mm Mild Steel Round 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 work site. 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 coat 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 work, conveyance charges for labours and materials and warranty for 5 years etc complete

Fabricating, Supplying and fixing of Horn Type Head Set Assembly heavy duty (approximate 150 Kg) consist of the bottom and top portions made up of cast iron including moulding, machining and the hexagonal nut made up of gunmetal 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 including 5 years warrantyetc., 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, conveyance charges for labours and material and warranty for 5 years etc., complete.

Fabricating, supplying and erection of Screw Gearing Steel Shutters of Size above 2.00 m and up to 3.00 m width consist of Skin plate made out of 10mm thick Mild Steel plate and horizontally stiffened with 150 x7 5 mm ISMB 150 at an interval not more than 0.50 m and vertical stiffeners made out of 100 x 50 mm Mild Steel Channel (ISMC) at an interval not more than 0.60m and provided with 10 mm 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 warranty for 5 years etc., complete.

GST 18% IN FIGURES

Description of Work / Item(s)

Amount

Earth Work Narrow 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 of surface 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.

Earth work excavation for cut open the bund and depositing on bank with an initial lead of 10m and initial lift of 2m in hard stiff clay stif black cotton hard red earth shales, murrams and gravelly stoney earth and earth mixed with small size boulders SS20B

Supplying and spreading sand - gravel mix ratio of 1 : 1 for 10 cm thick over the top of bund and other places as required at site of work including watering and consolidation using power roller, etc, complete complying with standard specifications and as directed by the departmental officers.

Providing and placing in position of plain cement concrete M 15 grade using M Sand and graded hard blue granite broken stone jelly of 60% 40 mm size and 40% of 20 mm size mixing with mixer machine and laying in layers including the cost of bailing / pumpingout surface water 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

Providing and placing in position of Reinforced Cement Concrete M 20 using M Sand and hard blue granite broken stone jelly of 20 mm size mixing with mixer machine including the cost of bailing / pumping out of surface water wherever necessary laying the concrete in layers of not exceeding 15 cm thick, excluding from works centering, shutterng and steel fabrications, compacting, consolidation by using Vibrators, finishing, watering, curing, etc., complete complying with standard specifications and as directed by the departmental officers

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

Supplying and erecting centring for vertical plain / RCC concrete walls of supply channel, retaining wall etc of follwing 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)

0 to 0.90m height

0 to 1.80m height

0 to 2.70 or 3.0m height

Fabricating supplying and fixing of shutter Groove Angle made up of 100 x 100 x 10mm Mild Steel angle for required height including welding hold fast of size 40 x 40 x 6mm 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 warranty for 5 years etc., complete.

Fabricating, Supplying and fixing of Top Beam made out of 200 x 100mm (ISMB 200) duly drilled to suit the Head set Assembly with required bed bolt made out of 25mm Mild Steel Round 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 work site. 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 coat 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 work, conveyance charges for labours and materials and warranty for 5 years etc complete

Fabricating, Supplying and fixing of Horn Type Head Set Assembly heavy duty (approximate 150 Kg) consist of the bottom and top portions made up of cast iron including moulding, machining and the hexagonal nut made up of gunmetal 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 including 5 years warrantyetc., 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, conveyance charges for labours and material and warranty for 5 years etc., complete.

Fabricating, supplying and erection of Screw Gearing Steel Shutters of Size above 2.00 m and up to 3.00 m width consist of Skin plate made out of 10mm thick Mild Steel plate and horizontally stiffened with 150 x7 5 mm ISMB 150 at an interval not more than 0.50 m and vertical stiffeners made out of 100 x 50 mm Mild Steel Channel (ISMC) at an interval not more than 0.60m and provided with 10 mm 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 warranty for 5 years etc., complete.

GST 18% IN FIGURES

M VENKATESHBABU

M VENKATESHBABU

M VENKATESHBABU