NITNo2ItemNo7

Dismantling of electric connection of motor and taking out the pump & motor (Pump set No. 2,4 & 5) at floor level with the help of HOT Crane after cutting of foundation bolts and removing of coupling. The work including Closing of suction & delivery side sluice valves and providing/fixing dead flange for stopping the water leakage. The work includes arrangement of all the required tool and tackles and safety items for working with safety of man & material as per site required at site.

Dismantling of the existing rusted & damaged MS base frame, Nut-bolts and washer damaged M.S. Channels, cross support, base plates, leveling screws, shims etc. with the help of gas cutter with oxygen cylinder and other tools as per site requirement, from the RCC foundation by cutting the nut bolts with the help of gas cutter and taking out of the complete frame up to floor level. The work will be executed through experts skilled & unskilled staff including tool and tackles and safe working with safety of man & materials as required at site

Demolishing of required amount of cement concrete of the foundation of 3 nos pump sets by manually/mechanical means and making proper foundation-bolt pockets including disposal of un-serviceable material within 50 meter lead as per direction of Engineer-in -charge as required for fresh foundation. (As per DSR no.- 15.2.1)

Supply of new SS foundation Bolts of size 25mm X 575 mm as per Site requirement. (6 Nos in each Foundation).

Supply of new nut bolts & washer as per site required for reinstallation of Pump sets, valves etc. as per site requirement

supply of neoprene rubber sheet 6mm thick Jyoti/ National make as per site requirement. DJB SOR 22.6

Strengthening of M.S. Base Frames for pump-set and motor by using (A.) C Type Channel (Size 200MMX75MMX6MM) (B.) C Type Channel (size 150MMX75MMX5.7MM) (C.) MS Plate (Size 6 inch X 6 inch X16 MM) Duly holed as per site requirement, with cross support and base plates dully machined on planner machine to match the centre distance between pump set and motor along with coupling guard with the help of gas cutter, grinder and welding machine etc. as per site requirement. Base plates supported on levelling screws, shims or metal wedges with a small taper located close to the foundation bolts. Ensure that the base plate’s machined mounting surfaces are horizontal, flat and parallel by adjusting the levelling devices and using a precision level. Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. (As per DSR no.- 10.1)

Providing and laying in position cement concrete of specified grade For grip of foundation bolt in pockets of CC structure and also providing wet layer of cement in old CC structure & Making of proper strengthening to the foundations of 3 Nos pump sets. (1 cement : 2 coarse sand (zone-III) : 4 graded stone aggregate 20 mm nominal size) (As per DSR no.- 4.1.3)

Fixing of new S.S foundation bolts in foundation bolt- pockets by welding and proper support and reinstallation and re fitting of 3 nos pump and motor with base frame after proper drying of the CC foundation, lowering the new pump & motors in the dry sump with the help of HOT crane/ required equipment as per site requirement and making of proper alignment of the pump with existing suction and delivery lines, making proper alignment of coupling between pump and motor with all allied mechanical and civil work, fixing of delivery taper and other parts with new nut-bolts etc.

Installation of Pump and Motor, making proper electrical connection of motors with all safety precautions, alignment of Pump and Motor coupling. The work is inclusive of testing and commissioning of all the 3 pump sets at no load and at full load successfully.

Painting of the MS items with 2 coat primer and 2 coat of enamel paint.

Testing of the complete line network with new foundation on Load and no Load with vibration free smooth operation.

Devraj Enterprises (BID ID -1587110)

Super System Engineers (BID ID -1587355)

Shivam Enterprises (BID ID -1587113)

TUSHAR ENTERPRISES (BID ID -1587119)