Providing Protection arrangements to the New Coleroon Barrage shutters and maintaining the SCADA operation of the new coleroon shutters for the year 2025 to 2027 at Upper Anicut in Kariyamanickam Village of Manachanallur Taluk in Trichy District.

Amount

Providing protection arrangements to the hoisting components in the vents of the Coleroon new barrage vent Hoist bridge as per the following specification. The main vertical posts along the periphery of the platform shall be made of ISA 75x75x6 mm to a height of 2350 mm at upstream and downstream side and at an interval of 2000 mm from each other. The connecting members at the top of the vertical posts shall be made of 75 x 8 mm MS flat of length 1.65. The top portion of the protection made with horizontal two numbers of 20 mm GI B-Class Pipe with 2"x1" weld mesh frame made by 25x25x6 mm MS angle and weld mesh fixed with 25x6 mm MS cover flats. Horizontal barricade at both sides made up of 20 mm dia B class GI pipe and protection grill of size 2000x2350mm made with 2"x1" weld mesh with 25x25x6mm MS angle frame allround and horizontally stiffened with 25x25x6mm MS angle at required interval and the weld mesh fixed with 25x6mm MS cover flats. The protection angle cutting to the required sizes and the angle should be drilled for 22mm dia by drilling machine at an required intervals and the GI pipe is to cut to appropriate length by using cutting machine at work shop. The angle and pipes conveyed from the work shop to worksite by using lorries and unloaded at site of work. The angle is to be fixed on the top of the platform in vertical position and welded with welding machine operated with power generator. The GI pipes is to be fixed through the holes provided in the angle and extended with GI specials. The GI pipes is welded at all holes rigidly with power electrodes. This protective weld mesh frames shall be welded to the vertical post of new structure. All steel members shall be mechanically cleaned and given a coat of Zinc chromate enamel primer over which a coat of aluminium enamel paint shall be applied. The cost includes cost of all materials, process charges like gas cutting, welding, manual labour charges, loading, lifting, unloading, transport, erection, hire charges for equipments, power charges from generator, scaffolding charges, risk allowance for working at a height of more than 3m, conveyance of equipments and manual labours to site and clearing them after completion of work, complete complying with standard specification and as directed by the departmental officers.

Maintaining the Supervised Control and Data Acquisition systems (SCADA) by engaging Technical assistant Grade-I Mechanic –I class for maintaining the shutter operation and checking the hydraulic lubricant levels and record the motor running pressure at every operation of shutters in barrage and maintaining the all mechanical and electrical parts and sensor wire properly also attending the minor repairs like changing oil seals, O-Rings, Plug points and refilling the lubricant. Mazdoor grade I labours are engaged for removing the obstacles near by the sensor wire and operating the shutters with help of mechanic and watching the barrage during day and night and cleaning the coleroon barrage areas and upkeep the premises of monitoring control room building very clean as per the direction of departmental officers for the period of 18 months upto March 2027

Technical Assistant Grade I - Qualified with B.E. Civil Engineering

Mechanic - 1 Class - Qualified with Diploma in Mechanical Engineering

Mazdoor Grade I (Semi skilled Category)

GST at 18%

Rali Engineering Works (BID ID -1457810)