Tiruvannamalai City Municipal Corporation Repair and Maintenance work of Coarse Screen ,Fine Screen,Agitator A and B and MCC Room Electrical works at STP in Tiruvannamalai City Municipal Corporation.

Amount

Supply and delivery of direct online starter confirming to IS13947, IEC60947-1 and as amended thereafter with suitable KW rating for operation in AC/Three Phase/50HZ(± 5%) and 415 V(±10%) including Ammeter, Voltmeter, Thermal Overloadrelay,16Amps 2poleMagneticContactorwith under Voltageprotection,Indication lamp, starting capacitor, running capacitor and On/Off Push button ches,5wayconnector,wiringwith1sq.mm/1.5sq.mmcopperPVCinsulated cable,powdercoatedverminproofboxincludingthecapacitor(thecostofcapacitor is to be taken separately) TWAD SOR Page No.114 (11.1) Coarse Screen 2HP (WD-M1909)

Fine Screen 1.50HP (WD-M1908)

Supply and fixing of three phase Flanged mounted continuous duty motor in the rating of 415V, 0.75KW,1HP, 960 RPM, 50HZ. including cost and conveyance, fixing of labour materials etc., complete 1HP

Supply and fixing of Agitator B Chain Bracket bearing (Made in India) including cost and conveyance, fixing of labour materials etc., complete

Supply and fixing of Fine Bubble Tube Diffuser 1.Type - Tube Size :90mm*1000mm Membrane-EPDM Supporting dish – PVC Connection – 1’’ NPT Ear clamp – AISI 304 ( SS ) HSN Code : 40094200 including cost and conveyance, fixing of labour materials etc., complete (LR)

Manufacturing,Supplying and Fixing of Stainless Steel Hand rails for staircase near wet riser using 50mm dia 304L Grade Stainless Steel pipe of 1.60mm thick will be provided with tubular supports made of 304L Grade Stainless Steel pipe of 25mm dia of 1.60mm thick welded to the railing. The supports will be grouted into the wall and provided with 93.00mm thick Stainless Steel circular base plate of 304 Grade. Therate shall included for grouting into concrete with necessary supporting arrangements the hand rail in floor polishing buffing, bonding, cutting, grinding, conveyance, welding charges, electrical charges, etc. complete PWD SOR Page No.57.(M-0653)

Supply and Fixing of BUTTERFLY VALVE Wafer Type, Without Lugs PN - 16 - SS (A276 Type 410) Suitable for Clamping Between Flanges as per ASME/ANSI B 16.1 CI-125 - Molded / Replaceable Liner, EPDM Liner, Disc Ductile Iron, Stem : SS410 - 24 Bar Hyd. 17.6 Bar Hyd. BS:5155(LR)

Supply and fixing of 50mm GI Bend inculding cost and conveyance of materials etc., complete (WD-M0602)

Supply and fixing of 50mm GI Coupling inculding cost and conveyance of materials etc., complete (Page No:44) (WD-M0595)

Supply and fixing of Nylan Rope including cost and conveyance of materials etc., complete (M-1072)

Supply and delivery of Fully AFT Starter suitable for the motor offered. Floor mounting type air/ oil cooled Auto Transformer Starter with tapings at 50%, 65%, 80%, housed in robust steel chamber with arc and main contacts confirming to IS 8544 Part IV and as amended therafter for operation in AC three Phase 50 Hz (+/- 5%), 415V (+/- 10%) with the following components, under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/ OFF switches, Mounted Ammeter, Earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil etc. (TWAD SOR 2022-2023 P.No.119) (WD-M1956)

Repair and replacement of Belt Conveyor size of 18" inch (Chain brackets Grees 3Kg,Nylone Metal sheet 1no and Conveyor Bearing 4Nos.) at Sewage treatment plant, including removel, refixing charges, material charges and labour charges etc…complete as per standard specification (LR)

Repair and replacement of Coarse Screen & Fine Screen Hydraulic services (Oil seal 2nos,Gir bearing 6nos,Gire Oil 3Litters ,Hydraulic Oil 2litters,Chain brackets Grees 3Kg and Nylone Metal sheet 1no) at Sewage treatment plant, including removel, refixing charges, material charges and labour charges etc…complete as per standard specification (LR)

Repair and replacement of Agitator A & B (East & West side) Hydraulic services and block removal (Bearing 2nos,Oil seal 2nos,Gire Oil 2 litters and bearing grees 1kg) at Sewage treatment plant, including removel, refixing charges, material charges and labour charges etc…complete as per standard specification (LR)

Repair and replacement of Agitator A & B (East & West side) 3Phase 1HP Pannel Board services (Contract 1no, Over Load realy (OLR) 6nos and NONC 4nos at Sewage treatment plant, including removel, refixing charges, material charges and labour charges etc…complete as per standard specification (LR)

Repair and replacement of Center Cone V Tyoe Bearing & 54 Teeth ((32310J2/Q SKF Explore ) pallu 50,65mm shoft ,bearing 4 nos ,Oil seal 556010 grees oil 4litters ) at Sewage treatment plant including removel, refixing charges, material charges and labour charges etc…complete as per standard specification. (LR)

Repair and replacement of Shutter Valve size of 0.60m x 0.90m (Thinner 4 Litters,Loose Oil 3 Litters,Jackey Lift and grees 5Kg) at Sewage treatment plant including removel, refixing charges, material charges and labour charges etc…complete as per standard specification. (LR)

Repair and rewinding of RAS Motor 20 Hp - 20 - 100m3/hour - 23m head (Bearing top & bottom, Mechanical Seal Top & Bottom, Ö"Ring, Fasnres, terminal blocks,cable entry kit and Coolent oil) at Sewage treatment plant including removel, refixing charges, material charges and labour charges etc…complete as per standard specification. (LR)

Repair and rewinding of Disposal Submersible 2Hp motor (Bearing top & bottom, Mechanical Seal Top & Bottom, Ö"Ring, Fasnres, terminal blocks,cable entry kit and Coolent oil) at Sewage treatment plant including removel, refixing charges, material charges and labour charges etc…complete as per standard specification. (LR)

MS pipe welding charges including removel, material charges and labour charges etc…complete as per standard specification. (LR)

Replacement of following damaged accessories motors at Sewage treatment plant including removel, refixing charges, material charges and labour charges etc…complete as per standard specification.MCC Room (LR) 50Hp Blower Motor Rewinding wire 40kg

Compressor oil service compressor Gearoil 38lit

50Hp Air Fillter 50hp tall tube everest airfillter

OLR Services Over Load Rellay 65AMS,440 INPUT OUTPUT

NONC Bush Type NONC-On,Off Bush type Switch 40ams,240input,output

Plus Eywelk Wire 3core plesibal copper wire 300mtrs

Removing the hardened sludge in the clarifier by wedying chipping and chiselling etc.. Complete as per standard specification

Submersible Centrifugal Sewage Non Clog Pumps Supply 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. 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)Discharge Upto 20 M3/hour

Add GST 18%

Valli C (BID ID -1271916)