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| # | Company | Amount | Rank | Status |
|---|---|---|---|---|
| 1 | L1₹8.4 LAccepted-AOC | L1 | Accepted-AOC L1 Less than the Estimate | |
| 2 | L2₹9.2 L+₹84,745 (10.1%)Rejected-AOC | L2 | Rejected-AOC L2 More than the L1 Quoted Amount |
| Sl No | Description | Qty | Unit | nallathambi | R.Aravind |
|---|---|---|---|---|---|
| 1.00Supply and delivery of submersible centrifugal sewage non-clog pumps, vertical spindle type pump , wear resistance with submersible motor for the various duty conditions. Pump shall be capable of handling min 100 mm solid size with sewage specific gravity of up to 1.05. Pump shall be of robust construction, Liquid passages shall be finished smooth and designed as to allow free passage to solids. Pump Impeller should be of Non-clog semi open type , single vane / multi vane preferably contra bloc or vortex impeller design. Double mechanical seal with silicon carbide faces should be provided to protect the motor from ingress of sewage along the shaft. The critical speed of the rotor shall be at least 30% above the operating speed. Pumps should have double bearings between the pump & motor. The bearings life shall be minimum 100,000 hrs of operation with greased for life. Pump should be provided with automatic coupling device including pedestal, duck foot bend, stainless steel guide pipe or related accessories of suitable size to facilitate lifting and lowering into guide rails for easy maintenance. Pump shall be provided with a stainless steel lifting chain conforming to BS 970 Gr 304. Pump speed shall be of 9600 rpm for high duty pumps and 960/1450 rpm for low duty pumpsets. Casing and impeller should be of CI Gr. FG 260 :IS210 more preferably with hardened impeller.Shaft should be of stainless steel AISI 410. All the fasteners and bolts shall be of AISI 410.The submersible motor shall be operated with 3ph, 415 V(+or– 10%), 50Hz(+or-5 %) dry induction type. Motor shall be capable of giving rated output without reduction in the expected life span when operated continuously. The rotating assembly shall be dynamically balanced as per standards. The starting current of the motor shall not exceed 200% of rated full load current for Star / Delta or ATS starting under any circumstances .The motor shall be suitable for full voltage star delta / ATS starting. The locked rotor current of the motor shall not exceed 600% of full load current unless otherwise specified. Motor shall be designed to withstand 120% of rated speed for two minutes without any mechanical damage, in either direction of rotation. The motor vibration shall be within the limit specified in applicable standards . Motor should be of IE2, explosion proof compatible for VFD operation together with star-Delta /ATS starter, protection against increase in stator winding temperature (15 deg Celsius), bearing temperature, leakage in the stator housing and terminal box shall be provided and to be suitably interlocked with the control panel for tripping the pump in case of increase in temperature beyond set limit. | |||||
| 1.01 | Insulation class shall be of “Class H” and degree of protection shall be of IP 68 as per IS 4691. Motor shall be suitable for continuous operation in fully submerged or partially submerged condition.The pumpset shall be supplied with power cable of PVC insulated and PVC sheathed, copper, flexible, round type with required conductor size and number of cores as per starting method and of specified length for continuous use under water and air. The control cable of PVC insulated, PVC sheathed, flexible for stator winding temperature sensor 3core x 1.5 sq.mm copper conductor and for bimetallic switches 2core x 1.5 sqmm copper conductor shall be provided. Motor shall be supplied with 10m of round submersible copper cable of suitable size. The non clog submersible pumpset shall be provided with suitable starter control panel having all protections as mentioned above.
(upto 5 HP - DOL Starter, above 5 HP to 25 HP -Star Delta Panel and beyond 25 HP shall be ATS)
above 15m upto 20 m head
Discharge 20 to 100 M3 /hour | 1 | No | 5,60,000 ₹6,60,800 | 5,45,000 ₹6,43,100 Lowest |
| 2.00 | Supply and delivery of Star-Delta starter confirming to IS 13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/ Three Phase/50HZ (+/- 5%) and 415V (+/- 10%) including 3 pole magnetic contactor with under voltage release - 3 nos., CT operated Ammeter (65 mm dia) with suppressed scale, Voltmeter (65mm dia), Voltmeter selector switch, Miniature circuit breaker, Thermal Overload relay, Air Break contactors suitable for next Standard higher KW rating, Single phasing preventor, dry running preventor and On/Off Push button switches, wiring with 1 sq.mm/4 sq. mm copper pvc insulated cable, powder coated vermin proof box, including the capacitor (the cost of capacitor is to be taken separately). | 1 | Nos | 20,000 ₹23,600 | 19,580 ₹23,104.4 Lowest |
| 3.00 | Labour charges for the erection of submersible pumpset in borewell/openwell including fixing and jointing submersible cable with proper clamps upto the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, Voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pumpset and trail run for 10 days. | 1 | Nos | 13,000 ₹15,340 | 11,055 ₹13,044.9 Lowest |
| 4.00 | Supply and Fixing of Ductile iron Double Flange Specials and Specials As per IS 9523/2000 etc,. complete as per standard specification | 400 | Kg | 60,000 ₹70,800 | 55,200 ₹65,136 Lowest |
| 5.00 | L.T. CABLES 3.5 CORE 40 Sqmm 1.1 KV GRADE ARMOURED ALUMINIUM CONDUCTOR CROSS LINKED POLY ETHYLENE INSULATED PVC SHEATHED CABLES CONFORMING TO IS 7098 (PART I)/1988 AND AS AMENDED THEREAFTER WITH ISI MARKING | 80 | Rm | 40,000 ₹47,200 | 39,120 ₹46,161.6 Lowest |
| 6.00 | Supply,Delivery and Fixing of Chain Pulley Block With 1 ton Capacity With 3m Length Chain etc,. complete as per standard specification | 1 | Nos | 2,700 ₹3,186 | 2,500 ₹2,950 Lowest |
| 7.00 | Supplying, fabricating, erecting structural steel work for roofing welded or bolted type using MS channels, angles, plates and round bars etc. conforming to IS specification including primer coating and enamal painting as per Design given by the departmental officers etc, complete as per standard specification | 1,500 | Kg | 2,25,000 ₹2,65,500 | 1,63,500 ₹1,92,930 Lowest |
Tender Value
₹10 L
EMD Value
₹10,000
Closing Date
24 Feb 2025, 3:00 pmClosed
The Commissioner
New Colony 3rd Main Road, Chrompet
TCMC - Supply and Erection of Discharge 20 to 100 M3/hour and 15 to 20 m Head Submersible Non-Clog Sewage Pumpset (Kishor or KSB Motors) at Kasivishalakshmipuram Road Side Lifting Station in Ward No.19
2025_DMA_525410_23
171/2025/E1 Z2
Open Tender
Civil Works - Others
Item Rate
30 days
Tambaram City Municipal Corporation Zone II
Please refer Tender documents.
2 documents required · 2 mandatory
₹0
₹10,000
27 Oct 2025
17 Feb 2025
24 Feb 2025
17 Feb 2025
24 Feb 2025
17 Feb 2025
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