NIT No.16 Item 04

Arrangement of all safety equipments for the protection of staff to work at height on bar screen and deep channel for free from accident during working at site as per NHRC guidelines.

Plugging of total sewage water entering into the channel by closing the inlet and outlet gate of channel with the help of manual labour and providing dewatering system to make the site workable by pumping system and manual labour and making necessary arrangement with gunny bags as per site requirement.

Dismantling of all non-workable parts of bar screen and conveyor belt like gear box, motor with belt, Chain, sprocket, coupling with shaft, bracket, lever of both side, bush assembly, lock system, wiper plate, main drive roller, supporting roller, baffle plate and other related parts from the bar screen by cutting of all rusted nut bolts by using of gas cutter and Taking out by chain pulley block with manual labour and other handling equipments as per site requirement.

Repairing/ overhauling of gear box of bar screen and conveyor belt by Repairing of damaged mechanical parts like worm gear, worm shaft, making bearing seat in housing and at the shaft on both side, replacement of oil seal, bearing 2 nos. includes the machining charge and lubrication. The job includes re-winding of motor and replacement of bearing after making the sheet as per job requirement.

Providing and fixing of comb assembly of bar screen made out with 150 mm dia heavy duty MS pipe & 10 mm thick MS plate for comb i/c providing of bushes on both side of the comb with pin for operating the comb.

Providing and fixing of lock assembly for comb made out with CI bushes, squire bar double roller chain having 1 inch pitch & MS sheet with nuts & bolts etc. as required.

Repairing of bar screen by replacement of damaged channel of size 150mm X 75mm X 5.7mm bar in 30 feet deep channel and also replacement of angle iron for strengthening and alignment for smooth worming as per job requirement.

Repairing of shaft with coupling of both side of gear box by making of bearing sheet, coupling sheet and sprocket sheet on both side of shaft by machining work and making proper alignment and straight position for smooth running

Repairing of bracket by providing and fixing of GM bush, making bush sheet in the bracket and fixing the new bush.

Repairing of wiper assembly by replacement of hinges pin making fixing of bush welded with plate and repairing of lever by machining work i/c providing and fixing MS with nut bolts making straight position with proper alignment for smooth operation

Providing and fixing of new main drive chain of bar screen having 3 inch pitch MS fabricated made out of MS flat strip & EN 8 Roller with center pin & fixing the same at site.

Repairing of guider on both side wall in the sewage channel by removing of old loose fastener and providing & fixing of new fastener and replacement of damaged portion i/c making proper levelling and alignment of both side guider for smooth working of bar screen as per site requirement.

Repairing of complete M.S. structure of conveyor belt by repairing/replacement of angle/channel/strip/sheet and other required material as per job requirement The job includes replacement of baffle plate as per existing shape, design and size with nut bolts and required hardware goods as per site requirements.

Repairing of gear of main drive roller of conveyor belt by fabricating machining and fixing of new bush in the lose bore and cutting of new key way and making the seat in the gear with the help of welding/lath machining work and other required tools & tackle. The job includes finishing of All teeth of gear by grinding machining for making the exact combination of teeth into other gear.

Repairing of main drive roller of conveyor belt by replacement of bearing of both side and making bearing seat on the shaft job i/c providing/fixing side plates with machining work for proper alignment, balancing and lubricant as required.

Repairing of supporting roller of conveyor belt by replacement of bearing of both side of all rollers and making bearing seat on the shaft job i/c providing/fixing side plates with machining work for proper alignment, balancing and lubricant as required.

Providing and fixing of supporting roller of conveyor belt as per existing shape, design and size.

Repairing of belt adjuster spindle of conveyor belt by making re-threading with finishing cut by complete machining work and replacement of nut, fixing with proper alignment

Providing and fixing of new Panel Board with complete components like relay, contactor, MCB, ON-OFF Push Button & indication lamp of operating the 3 nos. bar screen and 1 no. conveyor belt.

Fabrication and fixing of rain protection cover on the panel fabricated by MS sheet and angle fixing by fasteners.

Paint and primer charges for bar screen and conveyor belt

Testing & commissioning of bar screen on full load.

MK ENGG.CO.

Goodwill Enterprises

M G Traders and Engineers