Reconstruction of Pulavanar and Poonairupu regulators across Pulavanar channel in Pulavarnatham and Poonairupu village of Valangaiman Taluk in Thiruvarur District.

Amount

Dismantling clearing away and carefully stacking materials useful for reuse for any thickness of Brick or Stone masonry in cement mortar walls under 3m height etc., complete complying with standard specifications 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 with M.sand 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.

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.

Providing and placing Plain Cement Concrete M15 grade using crusher broken hard granite coarse aggregate (well graded) of nominal maximum size of 40mm , 20 mm & 10-12 mm to I.S specified grading (To achive the specified characteristic strengh of 15N/mm2 in 28 days) and mixing the ingredients in approved mixer 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.

Providing and placing Plain Cement Concrete M20 grade using crusher 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 complying with standard specification and as directed by the departmental officers.

Providing and laying in position standardised concrete Mix M-20 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 325 kg/m3 and maxium water cement ratio of 0.55 including admixture (Plasticizer/Super plasticizer) in recommended proportions asper IS 9103 to accelerate, retard setting of concrete, improve workability without imparing strength and durability with about (5 cu.m) 7730 kg of 20 mm machine crushed stone jelly and with about (4.79 cu.m) 7670 kg of sand, but excluding cost of reinforcemnt grill and fabricating charges, centering and shuttering and also including and laying, vibrating with mechanical vibrators, finishing, curing etc.,complete complying with standard specification and as directed by the departmental officers.

Supplying and erection of steel centering for sides and soffits without strutting for plain surface with all cross bracings using mild steel sheets of size 90x60cm. And B.G. 10 stiffened with welded M.S. angles of size 25x25x3 mm for boarding laid overcountry wood joists of size 10x6.5cm spaced 90cm. Centre to centre etc.,complete complying with standard specification and as directed by the departmental officers.

Supplying and erection of steel centering for sides and soffits with strutting upto 3m height for plain surface with all cross bracings using mild steel sheets of size 90x60 cm. And B.G. 10 stiffened with welded M.S. angles of size 25x25x3 mm for boarding laid overcountry wood joists of size 10x6.5cm spaced 90cm. Centre to centre and supported by casurina props of 10 to 13 cm dia (spaced at 75cm. c/c) etc.,complete complying with standard specification and as directed by the departmental officers.

Supplying and fabricating and placing in position of RTS grill for reinforced cement concrete including cost of steel and binding wire and labour charges for bending, cutting etc.,complete complying with standard specification and as directed by the departmental officers.

Fabricating, supplying and erection of Screw Gearing Steel Shutters of size above1.00m and up to 2.00m width consist of Skin plate made out of 10 mm thick Mild Steel plate and horizontally stiffened with 150x75 mm RSJ at an interval not more than 0.50m and vertical stiffeners made out of 100x50 mm MS channel at an interval not more than 0.60m and end vertical Job made up of 100 x 50 mm MS channel 2 Nos on both sides, provided with 100mm dia MS Rollers 2Nos 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 GI 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 MS Flats fastened with required rust free bolts & 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 coat of Anticorrosive black paint over one coat of Red oxide primer. The rate including cost of material, consumables, labours, power charges, conveyance charges, charges for all equipments required conveying the dismantled material to the section stores, cost of petty civil works, trial operations of shutter and warrant for 5years etc., complete complying with standard specifications as directed by the departmental officers.

Fabricating, supplying and fixing of 63 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 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 including all other taxes and warrant for 5years etc., complete complying with standard specification as directed by the departmental officers.

Fabricating, Supplying and fixing of Top Beam made up of 150 x 75 mm (ISMB 150) 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 12 mm Mild Steel Plate of size 0.30 x 0.15m 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 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 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 including all other taxes etc., complete complying with standard specifications and as directed by the departmental officers.

Fabricating, 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 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 including all other taxes and warranty for 5 years etc., complete complying with standard specifications 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 40 x 40 x 6mm Mild steel angle 3Nos 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 including all other taxes 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 6 Km 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 as directed by the departmental officers.

Supplying and Spreading Gravel over Earth road 15 cm thick including watering, consolidation 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.

S SESAPPAN (BID ID -1179554)