Special repairs to Sluices No.21 and 19 in 1st Distributary of 12th BC Periyar Main canal of Thumbaipatti village of Melur Taluk in Madurai District.

Earthwork excavation for cut opening canal bank excavation with initial lead of 10m and lift of 2m in hard stiff clay, stiff black cotton soil, hard red earth, shales, murams, stony earth and earth mixed with small size boulders and hard gravelly soil etc, complete as directed by the Engineer in charge of works and as per the technical specifications earth mixed with small size of boulders hard gravelly soil as directed by the Engineer in charge complying with standard specification and as directed by the departmental officers SS20B.

P.C.C M15 - 20mm Providing and Placing Plan Cement Concrete M15 grade using crusher broken hard coarse aggregate (well graded) of nominal maximum size of 20mm and downgraded to I.S. Specified grading (to achieve the specified characteristic strength of 15N/mm2 in 28 days) and mixing the ingredients in approved mixer including dewaering of the placement site by baling/pumping and diverting wherever necessary,placing concrete in layers and vibrating, water curing, finishing the surface with all leads and lifts etc, complete as directed by the Engineer in Charge of works and as per the technical specification.

Fabricating, Supplying and erection of Screw gearing steel shutters of size above upto 1.00m width consist shutters of skin plate made out of 8mm thick mild steel plate and horizontally stiffened with 65x65x6mm mild steel angle at an interval not more than 0.50m and vertical stiffeners made out of same secion at an interval not more than 0.60m and provided with 8mm 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 equipment. Erecting the new shutter and the shuttering arrangements in the vent in proper position by using necessary hoisting equipment. 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 equipment required conveying the dismantled materials to the section stores cost of petty civil works.

Fabrication, Supplying and Fixing of 50mm 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 or 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.

Supplying and fixing of Head set assembly light duty with hexagonal nut (Approximate 50kg) made up of cast iron including moulding, machining and the hexagonal nut threaded to suit the screw rod provided with thrust bearing 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 supplied with operating key and the both should be painted with two coats of AC black paint over on coat of red oxide primer. The rate including cost of materials, labours, charges for wooden pattern, moulding and charges for labours and materials and warrantly for 5 years etc. complete.

Fabricating, Supplying and fixing of Top Beam made up of 150x75mm (ISMB 150) duly drilled to suit the Head set assembly with required bed bolt made out of 25mm mild steel round rod duly threaded with suitable anchorage arrangements to a height of 0.60m with necessary fish plate made out of 12mm mild steel plate of size 0.30 x 0014m 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 in correct position including dismantling the existing eroded top beam, conveying and stacking and the section sotres. The top beam should be painted with two coats of AC black paint over one coat or red oxide primer. The rate including cost of materials, labours, charges for all fabricating and hoisting equipments, cost of petty civil works conveyance charges of labours and materials and warranty for 5 years etc, complete.

Fabricating, Supply and fixing and shutter groove angle made up of 65x65x6mm mild steel angle for required height including welding hold fast of size 25x25x6mm mild steel angle 2 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 AC black paint over one coat of red oxide primer. The rate including cost of materials, consumable, labours charges for all fabricating and hoisting equipments, conveyance, petty civil works and warrantly for 5 years etc complete etc.

Earthwork in all soils except hard rock requiring blasting and conveying earth by deploying earth moving machinery and tippers for formation of bund with a lead of 1km in layers of suitable thickness, depending upon type of compacting equipment, and not exceeding 25cm thickness, benching of slopes prior to placement of earth fill, breaking clods, watering to OMC (Optimum Moisture Contnet) and compaction of each layer to 95% proctor density through deployment of appropriate compaction equipment (8-10 T Power roller / vibratory power roller/short width (+/- 0.90n width drum) power roller or vibraory power roller/fuel operated or elecrically operated vibratory plate compactors, ensuring compaction of designed bund section and also ensuring compaction of earth fill and side slopes through the deployment of hydraulic excavators with steel plate fixtures attached to their booms/heavy power rollers cabable of inclduign 1(H):1(V) slope inclduign side slopes as directed by the engineer in charge of works and as per technical specifications. with a lead of 2 km cart track (Canal bank formation)

Supplying, Laying and fixing in position of R.C.C. Hume Pipes of NP3 class of 300mm Dia with suitable collars including labour charges and jointing materials etc, complete complying with standard specification and as directed by the deparmental officers complying with standard specification and as directed by the departmental officers 300mm dia hume pipe NP3

Randon Rubble Masonry (New) in cement mortar 1:4 (One cement and four M.Sand by volume mixed mechanically in approved mixer) using hard granite stones and bond stones form approved sources including simultaneous pointing of the exposed surface with same mortar and all incidental charges such as bailing out water, watering,curing finishing etc, complete as directed by the Engineer in Charges of works and as per the technical specifications.