Rehabilitation of Pappan Drainage inlet in Pattimar Village in Muthupettai Taluk of Tiruvarur District.

Dismantling clearing away and carefully stacking materials useful for re-use for any thickness of walls of Brick /stone masonry in cement mortar walls under 3m height etc., complete complying with standard specification and as directed by the departmental officers.

Dismantling clearing away and carefully stacking materials useful for re-use for any thickness of Reinforcement Cement Concrete etc.,complete complying with standard specification and as directed by the departmental officers.

Earth work open 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 2m except hard rock requiring blasting to full depth as may be directed inclusive of shoring strutting, bailing out water wherever necessary and excluding refilling charges as per standard specification and as directed by the departmental officers.

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 with M.sand 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 crushed broken hard granite coarse 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 bailing / 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.

Supplying and erecting steel centering for sides and soffits without strutting for plain surface with all cross bracings using Mild steel sheets of size 90cm x 60cm. Thickness of B.G. 10 stiffened with welded Mild steel angles of size 25 x 25 x 3mm for boarding laid over country wood joists of size 10cm x 6.5cm spaced at 90cm. Center to center etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and erecting steel centering for sides and soffits with strutting upto 3m height for plain surface with all cross bracings using Mild steel sheets of size 90cm x 60cm. Thickness of B.G. 10 stiffened with welded Mild steel angles of size 25 x 25 x 3mm for boarding. laid over country wood joists of size 10cm x 6.5cm spaced at 90cm. Center to center and supported by Casuarina props of 10 to 13cm dia. (spaced at 75cm) center to center etc., complete complying with standard specification and as directed by the departmental officers.

Providing and placing Plain Cement Concrete M 20 grade using crushed broken hard granite coarse aggregate (well graded) of nominal maximum size of 40% of 20mm and 60% of 40mm downgraded to I.S specified grading (To achieve the specified characteristic strength of 20N/mm2 in 28 days) and mixing the ingredients in approved mixer including dewatering of the placement site by bailing / pumping and diverting wherever necessary placing in layers and vibrating, water 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, etc., complete complying with standard specification and as directed by the departmental officers.

Providing and placing Plain Cement Concrete M20 grade using crushed broken hard granite coarse aggregate (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 of the placement site by bailing / pumping and diverting wherever necessary placing in layers and vibrating, water 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, etc., complete complying with standard specification and as directed by the departmental officers.

Providing and laying in position, Standardised Concrète Mix M-30 Grade in accordance with IS:456- 2000, using 20mm and downgraded hard broken granite stone jelly for all RCC items of works with minimum cement content of 400 kg/m3 and maximum water cement ratio of 0.45 including admixture (plasticiser super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrète, improve workability without impairing strength and durability with about (5.0 cu.m.) 7730 kg. of 20mm machine crushed stone jelly and with about (3.30 cu.m.) 5156 kg. of 10 12mm machine crushed stone jelly and with about (4.79 cu.m.) 7670 kg. of sand, but excluding cost of reinforcement grill and fabricating charges, centering and shutterlng and also including laying, vibrating with mechanical vibrators, finishing, curing, etc. The RCC floor/ roof slabs wherever necessary without claiming extra, etc., complete complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS Standards. (No separate payment will bemade by the Department for the excess usage of materials}.

Supplying and fabrication and placing in position of Mild Steel / Ribbed Tor steel for all RCC works including cost of steel and G.I. binding wire etc., complete complying with standard specification and as directed by the departmental officers.

Fabricating, Supplying and erection of Screw gearing steel shutters of size above 3.00 m and upto 4.00m width 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 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 complying with standard specification and as directed by the departmental officers.

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 40x 40 x 6mm Mild steel angle of 3 Nos on both sides conveying and leading the grooves 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 5years etc., complete complying with standard specifications and as directed by the departmental officers.

Fabricating, Supplying and fixing of Top Beam made up of 200 x100mm (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 0.60m with necessary Fish plate made out of 16mm 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 and 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 warranty for 5 years etc., complete complying with standard specifications, and as directed by the departmental officers.

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 complying with standard specification and as directed by the departmental officers.

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 complying with standard specification and as directed by the departmental officers.

Dewatering using 7.5 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 incidential charges etc., complete complying with standard specification and as directed by the departmental officers.

Total Work Value

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