Rehabilitation of Paruthikkottai Regulator in Paruthikkottai village of Mannargudi Taluk in Tiruvarur District.

Amount

Dismantling clearing away and carefully stacking materials useful for reuse for any thickness of walls of Brick or stone masonry in cement mortar 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 Plain Cement Concrete 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 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 with M.sand for foundation and basement in layers of not more than 15 cm thick including watering, consolidation etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and Filling of Gravel in between the gap of CC Block with 75mm thick, etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and filling in foundation below CC block 40 cm thick graded Inverted Filter provided in two or more layers (ie., 50, 40, 20 and 12mm size metal provided in two or more layers (40cm thick)) etc., complete complying with standard specification 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.

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 M15 grade using crusher broken hard granite course aggregate (well graded) of nominal maximum size of 20mm down graded to I.S specified grading (To achieve the specified characteristic strength of 15N/mm2 in 28 days) and mixing the ingredients in approved mixer 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 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-20 Grade in accordance with IS:456- 2000, using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/m3 and maximum water cement ratio of 0.55 including admixture (plasticise / 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. and providing fixtures like fan clamps in 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 be made by the Department for the excess usage of materials).

Providing and laying in position, Standardised Concrète Mix M-25 Grade in accordance with IS:456- 2000, using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 350 kg/m3 and maximum water cement ratio of 0.50 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. and providing fixtures like fan clamps in 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 or 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.

Providing Jeddy stone revetments for landing apron using new stones of size more than 300mm thick and the weight of stone not less than 40kg for Jeddy stone revetment 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.

Earthwork in all soils except hard rock requiring blasting and conveying for formation of bund with a lead of 2Km (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 and as directed by the departmental officers.

Providing new 3T capacity worm gear box assembly consist of cast iron top and bottom plates, worm nut made up of pig iron, 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 63mm 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 is to be rest on the top of MS stand made up of 75x75x8mm MS angle and the top covered with 16mm thick MS plate and the stand fixed on the 150x75mm MS channel fixed over top of the beams in platform. The gear box align with the screw rod and fixed with required bolts nuts etc., complete and as directed by the departmental officers. Painting the hoisting arrangements 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 Shutter and warranty for 5 years 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 stainless steel (316gr) plate 650x8mm bent to shape for required height including welding hold fast of Stainless Steeel angles 50x50x6mm (316Gr) on both side and Sill beam Stainless steel ISMB 150x75mm (316Gr) and Rubber flat 75 x 8mm of SS flat and conveying and leading the groove anlge to the vents. Fixing the anlge to the grooves in proper alignment conveying and stacking at section store. . 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 complying with standard specification and as directed by the departmental officers.

Fabricating, Supplying and fixing of Top Beam made up of 300x140mm (ISMB 300) 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 0.90m with necessary Fish plate made out of 20mm Mild Steel Plate of size 0.23 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.

SUN CONSTRUCTIONS (BID ID -1496983)

OSM CONSTRUCTIONS (BID ID -1498451)