NIT No. 15 Item No. 1

Dismantling of complete flash mixture system by dismantling of motor, gear box from the foundation after disconnection of all electric connection and dismantling the coupler and fan from shaft and taking out from the deep well with the help of chain pulley block, material handling equipments and safety equipments.

Dewatering of deep well with the help of submersible pump of suitable capacity for executing the work.

Safety equipments have to be arranged for the workers as the work has to be done in the top of flash mixture chamber. The same includes loading, unloading & cartage charges etc.

Overhauling repairing of gear box by repairing of non workable parts like worm shaft, worm gear with complete machining replacement bearing, oil seal and gaskets etc as per job requirement.

Repairing of shaft on both side with welding, machining and hole for fixing of pin and making proper alignment.

Replacement of fan by making SS material with proper balance and bore suitable for above shaft for fixing at lower side of the shaft by machining work.

Fabricating /Supply of MS Coupler made out of EN-8 material as per sample. Including machining work. Making suitable bore as per shaft dia.

Fabricating /Supply of SS304 Pin duly threaded on both side with SS304 nut and washer.

Providing and fixing of MS channel/Angle inside the deep well for fixing of shaft making proper alignment with shaft for smooth operation.

Repairing of existing base frame by replacement of required wornout channel including the cost of MS channel with complete labour charges for cutting, welding, grinding and finishing of bas frame as per site requirement.

Fabricating /Supply of SS Bracket.

Supply of nut bolts as per site requirement.

Fabricating of temporary working platform inside the deep well for doing the work.

Re-fixing of all dismantled items of flash mixture like gear box, motor, shaft, coupler, pin, coupling, with bracket system and making proper alignment for smooth operation of the unit.

SITC of panel housing shock proof, weather proof, rust proof, protection totally insulated, having internal embedded gasket with provision of cable entry through glands. The panel board should have following control panel MCB and accessories etc complete with connections & Interconnections etc as required. SITC of panel housing shock proof, weather proof, rust proof, protection totally insulated, having internal embedded gasket with provision of cable entry through glands. The panel board should have following control panel MCB and accessories etc complete with connections & Interconnections etc as required. Note 1: For mounting of meters, indicating lights & push button only box with hinged door with triangular lid to be used. Note 2: For mounting of 5 HP DOL starter MS angle frame should be hot dipped galvanized and made out of MS angle of size 35 X 35 X 5 mm with all required material/arrangement as per site requirement.

Fabrication & fixing of Fiber sheet shed on 2 Nos flash mixtures in order to protect the motor, gear box & other equipments from rain to avoid these equipments getting rust and moisture. The includes supply of M.S. pipe of upto the height of 78" at one side welded with the M.S. railing support and other side, support will be welded on the M.S. plate fixed on the R.C.C. structure with the help of fasteners and making roof structure with the help of squire M.S. pipe of size 25 mm so that fiber glass sheet can be fixed on the M.S. structure with the help of fasteners/ nut bolts.

Testing & commissioning of flash mixture.

Painting and primer charges of complete unit with one coat of primer and minimum two coat of enamel paint of required shade & colour.

Transport charges of tools & tackles to & fro.

MK ENGG.CO.