Delhi Jal Board-DJB has published Supply Installation Testing Commissioning Of Air Blower Systems Replacing The Old At Filter House At Chandrawal Water Works-Ii. Submission Date for this Tender is 12-08-2021. Industrial Fan Tenders in CHANDRAWAL WATER WORKS Delhi. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Arrangement of all safety equipments for the protection of workers to complete the work. Like helmate, safety shoes, belt, jacket, face mask etc. |
| 2 | Dismantling of Air blower from the foundation after disconnect the electric supply by electrician and disconnecting from the air line and dismantling of external parts like suction silencer, suction filter, pressure gauge, dead weight, removing of belt and other parts after opening/cutting of all rusted nut bolts of parts and base frame with the help of gas cutter. Taking out the blower from filter house by manual labour and required tripod chain pulley block and other tools & tackles as per site requirement. |
| 3 | Providing and Fixing of Rotary Twin Lobe Blower sets with motor common MS base frame and complete with all accessories, the Air blower sets should have the board specification as Air blower: - model 713 AC(BSOL), temperature 40C, inlet pressure- atmospheric, specific gravity -1, Differential pressure- 0.50 kg, PSIG, discharge pressure- 5 PSIG, capacity at suction condition –847M3/hr, Drive –v belt, Speed –1176 RPM, Discharge temperature – 75 C, Inlet/ Outlet Diameter 125mm nb. Material of construction :- Casing-C.I.F.G.260, IS:210 Lobe-C.I.F.G.260, IS:210 Shaft-EN-24/817M40 Gears-EN-353/815M17 (HARDENED & GROUND) Bearings-SKF (IMPORTED) / EQUIVALENT Accessories :- Common Base frame, suction filter, Safety valve, V belt, V- belt guard, suction silencer, Discharge silencer, NRV, Pressure guage, all fixing nut- bolts, Drive and Driven pulleys, , set of foundation bolts, anti-vibration pad with drive, or as per manufacturer design of above specification. Motor rating :- 22 KW/30 HP, RPM- 1470, Voltage – 415, Type :- Induction motor squirrel case Motor make:- crompton/kirloskar/ABB/ DJB Approved Make of Blower:- KAY INTERNATIONAL / EVEREST/ All DJB approved make |
| 4 | Breaking of old RCC foundation by electric hammer, chisel and other required tools & tackles. Cutting and taking out of old worn out MS base frame from the foundation. Removing the broken civil material from the filter house to out side as per direction of in-charge. |
| 5 | Making new RCC foundation for fixing of new blower of size long 70” x width 34” x height 31” by required civil material and MS bar work includes providing and fixing of MS angle and providing, grouting of foundation nut- bolts. |
| 6 | Fabrication and Fixing of new base frame made out by MS channel including the cost of MS channel with complete labour charges for cutting, welding, grinding and finishing of bas frame |
| 7 | Nut bolts of various sizes as per site requirement. |
| 8 | Providing of MS studs of size 20mmX300mm includes nut with washer. |
| 9 | Providing of rubber packing for fixing of blower. |
| 10 | Providing and fixing of MS flanges of 150mm by welding work in the air line for fixing of new Air blower. |
| 11 | Providing and fixing of MS flanges of 200mm For new blower fixing by welding work in the air line. |
| 12 | Providing and fixing of MS bend of 150mm by welding work in the air line as per direction of new Air blower. Including cutting, welding, grinding and finishing of Air line on the required space for fixing of bend with blower. |
| 13 | Providing and fixing of MS tee of 200mm by welding work in the air line as per direction of new Air blower. Including cutting, welding, grinding and finishing of Air line on the required space for fixing of bend with blower. |
| 14 | Providing and fixing of MS reducer 200mm x 150mm dia by welding work in the air line. |
| 15 | Providing / Fixing of new MS pipe of size 200mm dia approx 5 mtr. long for modification of Air line as per direction of new Air Blower setting the job includes cutting, welding, grinding and finishing of complet job in all respect. |
| 16 | Servicing/ Overhauling of sluice valve. |
| 17 | Shifting of old material as per direction of engineer/ in-charge by heavy manual labour with handling and safety equipments. |
| 18 | Transport charges for tools & tackles to & fro and new blower. |
| 19 | Painting & primer charge for completed work has been executed in our scope with one coat of primer & minimum two coat of enamel paint as per existing shade. Make of paint–Berger/Asian/neclossion/J & N. |
| 20 | Making of electric connection by electrician. |
| 21 | Testing & commissioning of blowers on full load. |
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