JJM PROVIDING FHTCS TO ALL HOUSE HOLD IN ERATTAYAR AND KAMAKSHI PART PANCHAYATHS IN IDUKKI DISTRICTS Supply erection testing and commissioning of Transformer clear water and raw water pump sets at WTP and various pump houses

Amount

250KVA outdoor oil immersed transformer and HT equipment at WTP

OD229999/2023-2024:Supply, installation, testing and commissioning of one number 250 kVA, DYn11, 3Ph, 50Hz, 11/0.433 kV,ONAN cooled, copper wound outdoor distribution transformer with tappings from +5% to -10% in steps of 2.5% with OFTC. The HT side & LT side shall have cable end box for XLPE cable. The transformer shall have suitable enclosure for The HT side & LT side. The transformer shall be complete with all standard accessories and fittings & conform to IS:2026. The rate shall be inclusive of all materials, lead,lift, first fill of oil, necessary civil works for mounting to the existing transformer foundation complete as per single line schematic diagram & particular specifications.

OD230038/2023-2024:Supply of all materials and providing 11KV Double pole structure using 2nos. 175x85mm. ISMB joist of 9.5M height, 100x50mm. GI chanel cross arms, 1set 3 pole of 400A, 11KV gang operated AB switch with operating handles of required length,1 set of 9.6KV,6KA Lightning Arrestors, 1 sets (3 nos) of 11KV, D.O fuses, Pin insulators, Disc insulators and inter connections of the above items using 8mm dia copper wire with proper copper sockets , including all associated civil works and painting of all structurers with two coats of zinchromate primer and aluminium paint etc. and earthing using 5 nos of 3m GI earthing pipes and inter connection complete as per standard construction practices approved by Kerala Electrical Inspectorate and relevant standards

OD230102/2023-2024:Supply and errection and testing of suitable neutral CT ,5P10 Class for 11KV/433V , 250 KVA transformer as per Standards including connections to Transformer Neutral etc. complete

OD230103/2023-2024:Supply & erection of Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) upto plinth level with : Cement mortar 1:6 (1 cement : 6 coarse sand).

OD230104/2023-2024:Supplying and filling the substation yard with 40mm size blue jelly of 150mm thick including cost and conveyance of all materials, labour charges etc complete

OD230105/2023-2024:Providing, fabricating and fixing 2m high chainlink fencing over 4mm thick barbed wire with a framework of 50x50x6mm MS angle between vertical posts of ISMC 75 at 2400mm interval, Earthing as per KSEI/KSEB standards shall be done around the periphery of the fencing. The MS framework for chainlink fencing shall be Hot Dip Galvanised. The rate shall be inclusive of all materials, labour, lead, lift etc including escalation works and fabrication and assembly works including all nuts, bolts and other miscallaneous items etc complete as per drawing and as directed by the Engineer in Charge.

OD230106/2023-2024:Supply & Providing 3 phase, 4wire, HT CT/PT operated, Uni-directional with accuracy class 0.2S for both Active and Reactive energy, -/5A, HT static tri vector meter with TOD register, DLMS compliant & AMR compatible with optical port and RS232 port having ISI Marking, suitable for measurement of active kWh, reactive energy kVARh and apparent energy kVAh and kVA MD, kW MD at nominal frequency in the range of 47.5 Hz to 52.5 Hz in balanced as well as unbalanced load conditions in the existing outdoor Meter cubicle including testing & commissioning etc. complete.

OD230135/2023-2024:Conveyance Charges -To and Fro conveyance for testing the metering equipment (CT/PT unit and meter) at TMR testing Lab of KSEBL(1 Sets)

Supply, fabrication, erection, testing and commissioning of cubicle type fully compartmentalised, dust tight, vermin proof, water proof 400A LT- Main MV Panel including Incommer,surge protection,supports,supply and labour at WTP

OD226317/2023-2024:MSB FOR 250KVA TRANSFORMER-with Incomer 400A FP Microprocessor based MCCB (35kA) - 1 Nos. Standby Earth Fault Relay - 1 Set, 400 A TPN best conductivity Aluminium busbar with SMC supports, heat shrinkable sleeves etc. as per ISS - 1set RYB indicators ( LED Pilot type ) with 2A Control MCB and toggle switches - 4 Set Multifunction Digital Panel meter to read V, A, F, PF, kW, kVA, kVAR, kWh, kVAh, kVARh Class 0.5 - 1 Set 400/5A CL 0.5, 15VA Metering CTs - 1 Set Outgoings: 100A FP 26KA MCCB - 3 Nos. 63A FP MCCB 26kA - 4 Nos. 200A, 26kA FP MP MCCB - 2 Nos. "Surge Protection Pluggable type surge arrester with potential free contact, thermal disconnector & provision for inbuilt common remote indication for defective arresters to connect between Line and Neutral and one number Spark Gap type arrester to connect between Neutral and Earth of following ratings including base element & pluggable arresters. Nominal voltage 230V, 50Hz, Nominal Discharge current 30 kA (8/20 sec) for Line to Neutral & 50 kA (8/20 sec) for Neutral to Earth, Maximum Discharge Current Imax 50 kA (8/20 sec) -1Set" Supports The panel shall be supported to ground using framework fabricated out of MS Flats / Angles etc. painted with two coats of Zinc Chromate primer and two coats of enamel paint. The framework shall be firmly supported to ground using suitable cement concrete plinth. The Panel Board shall be provided with 25 x 3mm copper earth bus for the full length. Painting letters / identifications for the incoming and outgoing switches, cable, fuse sizes, etc., in white enamel paint. The board shall be fabricated in such a way that future extenstion be possible. Supply & Labour

OD226318/2023-2024:SSB Supply, fabrication, erection, testing and commissioning of cubicle type fully compartmentalised, dust tight, vermin proof, water proof 200A MV Panel falling to IP54 category fabricated out of 16 SWG CRCA Sheet Steel painted as per standards with Alumimium Busbars of suitable size, earth bus of adequate capacity, double earth connection to all switches, internal rigid connection etc. including suitable chambers, front open, top cable entry with water proof shrouding, free standing panel consisting of the following as per standards ( All switches shall confirm to conforming to IEC 60947-2 standards). Incoming : 100A TPN Isolator - 1 No. 200A TPN best conductivity Aluminium busbar with SMC supports, heat shrinkable sleeves etc. as per ISS - 1set Multifunction Digital Panel meter to read V, A, F, PF, kW, kVA, kVAR, kWh, kVAh, kVARh Class 1.0 - 1 Set RYB indicators ( LED Pilot type ) with 2A Control MCB and toggle switches - 1 Set 100/5A CL 1.0, 15VA Metering CTs - 1 Set Outgoings: 40 TP D curve MCB (10kA) - 6 Nos. 32A TP D curve MCB (10kA) -2 Nos. 25A TP D curve MCB (10kA) - 3 Nos. 16A TP D curve MCB (10kA) - 1 Nos. 10A TP D curve MCB (10kA) - 1 Nos. Supports The panel shall be supported to ground using framework fabricated out of MS Flats / Angles etc. painted with two coats of Zinc Chromate primer and two coats of enamel paint. The framework shall be firmly supported to ground using suitable cement concrete plinth. The Panel Board shall be provided with 25 x 3mm copper earth bus for the full length. Painting letters / identifications for the incoming and outgoing switches, cable, fuse sizes, etc., in white enamel paint. The board shall be fabricated in such a way that future extenstion be possible. Supply & Labour

OD226319/2023-2024:APFC PANEL Automatic Power Factor Correction Panel of total 25 KVAR capacity with Auto / Mannual mode operation to be fabricated out of 14 guage CRCA sheet steel Powder coated with provision for capacitor mounted inside the panel with adequate number of louvers and powder coated with approved shade and having following specific components(refer particular specification) with Alumimium Busbars of suitable size, earth bus of adequate capacity, double earth connection to all switches, internal rigid connection etc. including suitable chambers, front open, top cable entry , free standing panel consisting of the following as per standards. Incomer 63A TPN Isolator - 1 No. 100 A TPN best conductivity Aluminium busbar with SMC supports, heat shrinkable sleeves etc. as per ISS - 1set Multifunction Digital Panel meter to read V, A, F, PF, kW, kVA, kVAR, kWh, kVAh, kVARh Class 1.0 - 1 Set RYB indicators ( LED Pilot type ) with 2A Control MCB and toggle switches- 1 Set 80/5A 15VA CL 1.0 Metering CTs - 3 Sets Microprocessor based intelligent, 8 step IPFC relay with PF display - 1 No. Out goings 20A, 10kA C Curve TP MCB - 1 Nos 16A, 10kA C Curve TP MCB - 2 Nos 10A, 10kA C Curve TP MCB - 1 Nos 6A, 10kA C Curve TP MCB - 3 Nos Capacitor duty contactors working on 3 Phase 415V AC supply of the following ratings wired with Pilot LED indication for ON & OFF, Push Buttons for Manual ON & OFF operation using suitable NO / NC contacts for all the stages 10 kVAr- 3 Nos 7.5 kVAr- 4 Nos 480 V,50 Hz Double di-electric polypropylene ( MPP heavy duty ) Capacitors of the following ratings including fixed compensation for low load losses. 10 kVAr- 1 Nos 5 kVAr- 2 Nos 2 kVAr - 2 Nos 1 kVAr - 1 Nos Supports The panel shall be supported to ground using framework fabricated out of MS Flats / Angles etc. painted with two coats of Zinc Chromate primer and two coats of enamel paint. The framework shall be firmly supported to ground using suitable cement concrete plinth. The Panel Board shall be provided with 25 x 3mm copper earth bus for the full length. Painting letters / identifications for the incoming and outgoing switches, cable, fuse sizes, etc., in white enamel paint.

Supply, erection, testing and commisioning of Distribution boards, switch gear and Cable accessories at WTP

OD226280/2023-2024:Supply and providing the following MCCB/ RCCB / MCB / MCB Isolators/COS etc. to the existing DBs / MCS / Junction Boxes etc. including giving proper termination using suitable Bananna copper lugs, sleeves, insulation etc. complete. 1) 63A,4P RCCB-1No 2) 63A 4P MCB Isolator-1No and 3) 6-32A SP MCBs - 36Nos)

OD226281/2023-2024:Supply, installation, testing & commissioning of best quality sheet steel, phosphatised and painted, dust and vermin proof enclosure (IP43) Vertical TPN Double door DB including copper bus bar, neutral link, earth bus and DIN rail suitable for fixing RCCB + Isolator (8 module )as incommer and SP/TP MCB as outgoings etc. on wall using suitable anchor bolts or fixed in recess including cutting hole on the wall , making good the damages, colour washing, dressing the DB including termination etc. as required. ( Including closing vaccant slots using Dummy )

OD230187/2023-2024:Supply and erection of 6mm MS Chequered Plates for covering cable trench. ( Rate for 10 Sq.m)

OD230227/2023-2024:Supply route marker with 10cmx10cm GI plate 5mm thick with inscriptions there on bolted / welded to 35x35x6mm angle iron 60cm long and fixing the same in ground as required.

OD230192/2023-2024:Supplying and installing following size of perforated painted with powder coating M.S. cable trays with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with M.S. suspenders including bolts & nuts, painting suspenders etc as required - 600 mm width X 50 mm depth X 2 mm thickness

OD230193/2023-2024:Supplying and installing following size of perforated painted with powder coating M.S. cable trays with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with M.S. suspenders including bolts & nuts, painting suspenders etc as required - 300 mm width X 50 mm depth X 1.6 mm thickness

OD230194/2023-2024:Supplying and installing following size of perforated painted with powder coating M.S. cable trays with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with M.S. suspenders including bolts & nuts, painting suspenders etc as required - 150 mm width X 50 mm depth X 1.6 mm thickness

OD230195/2023-2024:Circuit Mains - Wiring for circuit/ submain wiring alongwith earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in surface/ recessed medium class PVC conduit as required. - 2 X 1.5 sq. mm + 1 X 1.5 sq. mm earth wire

OD230196/2023-2024:Circuit Mains - Wiring for circuit/ submain wiring alongwith earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in surface/ recessed medium class PVC conduit as required. - 2 X 2.5 sq. mm + 1 X 2.5 sq. mm earth wire

OD230197/2023-2024:Circuit Mains - Wiring for circuit/ submain wiring alongwith earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in surface/ recessed medium class PVC conduit as required. - 2 X 4 sq. mm + 1 X 4 sq. mm earth wire

OD230198/2023-2024:UG Cable Tamper Protection - Providing, laying and fixing following dia G.I. pipe (medium class) in ground complete with G.I. fittings including trenching (75 cm deep)and re-filling etc as required - 100mm

OD230199/2023-2024:UG Cable Tamper Protection - Providing, laying and fixing following dia G.I. pipe (medium class) in ground complete with G.I. fittings including trenching (75 cm deep)and re-filling etc as required - 80mm

OD230200/2023-2024:UG Cable Tamper Protection - Providing, laying and fixing following dia G.I. pipe (medium class) in ground complete with G.I. fittings including trenching (75 cm deep)and re-filling etc as required - 50mm

OD230202/2023-2024:PVC Conduits - Supply & providing Capping / Casing of good quality of the following sizes. - 20mm

OD230203/2023-2024:PVC Conduits - Supply and providing the following size of ISI Marked rigid PVC conduits with specials confirming to IS 9537/1983 on surface / concealed position making good the damages made etc. complete. - 32mm dia 1.5mm thick

OD230204/2023-2024:PVC Conduits - Supply and providing the following size of ISI Marked rigid PVC conduits with specials confirming to IS 9537/1983 on surface / concealed position making good the damages made etc. complete. - 25mm dia 1.5mm thick

OD230205/2023-2024:PVC Conduits - Supply and providing the following size of ISI Marked rigid PVC conduits with specials confirming to IS 9537/1983 on surface / concealed position making good the damages made etc. complete. - 20mm dia 1.5mm thick

OD230206/2023-2024:Supply & drawing the following size of FR Multi-core PVC Insulated and PVC sheathed Copper conductor round flexible wire manufactured with bright annealed bare copper conductor as per IS 8130/1984 Insulated and sheathed with electrical grade PVC compound as per IS 5831/1984 generally conforming to IS 694/1990 for working voltage up to and including 1100 V through existing PVC conduit / casing capping wall. - 3C x 1.5 Sqmm

OD230207/2023-2024:Supply & drawing the following size of FR Multi-core PVC Insulated and PVC sheathed Copper conductor round flexible wire manufactured with bright annealed bare copper conductor as per IS 8130/1984 Insulated and sheathed with electrical grade PVC compound as per IS 5831/1984 generally conforming to IS 694/1990 for working voltage up to and including 1100 V through existing PVC conduit / casing capping wall. - 3C x 0.5 Sqmm

OD230208/2023-2024:Supplying and making end termination with brass compression gland and copper lugs for following size of PVC insulated and PVC sheathed / XLPE copperconductor cable of 1.1 KV grade as required. - 4C x 2.5 Sqmm

OD230209/2023-2024:Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. - 3.5C x 185 Sqmm (2Nos), 3.5C x 35 Sqmm (2Nos), 4C x 16 Sqmm(30Nos), 4C x 6 Sqmm(2Nos), 4C x 4 Sqmm(10Nos), 3C x 35 Sqmm(2Nos), 3C x 25 Sqmm(8Nos), 3C x 6 Sqmm(2Nos) and 3C x 4 Sqmm(16Nos)

OD230210/2023-2024:LT Cables - Supply & laying UG 2XFY,PVC insulated and PVC sheathed Copper conductor armoured Power / Control cable of 1.1 KV grade of the following sizes through trench/wall/ ceiling - 4C x 2.5 Sqmm

OD230211/2023-2024:LT Power Cables - Supply & laying UG A2XFY,PVC insulated and PVC sheathed Aluminium conductor armored power cable of 1.1 KV grade of following sizes through trench/wall/ ceiling. - 3C x 4 Sqmm

OD230212/2023-2024:LT Power Cables - Supply & laying UG A2XFY,PVC insulated and PVC sheathed Aluminium conductor armored power cable of 1.1 KV grade of following sizes through trench/wall/ ceiling. - 3C x 6 Sqmm

OD230213/2023-2024:LT Power Cables - Supply & laying UG A2XFY,PVC insulated and PVC sheathed Aluminium conductor armored power cable of 1.1 KV grade of following sizes through trench/wall/ ceiling. - 3C x 16 Sqmm

OD230214/2023-2024:LT Power Cables - Supply & laying UG A2XFY,PVC insulated and PVC sheathed Aluminium conductor armored power cable of 1.1 KV grade of following sizes through trench/wall/ ceiling. - 3C x 25 Sqmm

OD230215/2023-2024:LT Power Cables - Supply & laying UG A2XFY,PVC insulated and PVC sheathed Aluminium conductor armored power cable of 1.1 KV grade of following sizes through trench/wall/ ceiling. - 3C x 35 Sqmm

OD230216/2023-2024:LT Power Cables - Supply & laying UG A2XFY,PVC insulated and PVC sheathed Aluminium conductor armored power cable of 1.1 KV grade of following sizes through trench/wall/ ceiling. - 4C x 4 Sqmm

OD230217/2023-2024:LT Power Cables - Supply & laying UG A2XFY,PVC insulated and PVC sheathed Aluminium conductor armored power cable of 1.1 KV grade of following sizes through trench/wall/ ceiling. - 4C x 6 Sqmm

OD230218/2023-2024:LT Power Cables - Supply & laying UG A2XFY,PVC insulated and PVC sheathed Aluminium conductor armored power cable of 1.1 KV grade of following sizes through trench/wall/ ceiling. - 4C x 16 Sqmm

OD230219/2023-2024:LT Power Cables - Supply & laying UG A2XFY, PVC insulated, and PVC sheathed Aluminium conductor armored power cable of 1.1 KV grade of following sizes through trench/wall/ ceiling. - 3.5C x 35 Sqmm

OD230221/2023-2024:LT Power Cables - Supply & laying UG A2XFY,PVC insulated and PVC sheathed Aluminium conductor armored power cable of 1.1 KV grade of following sizes through trench/wall/ ceiling. - 3.5C x 185 Sqmm

OD230337/2023-2024:HT Cables - Supply & laying 11KV stranded compact circular aluminium conductor, conductors screened with extruded semi conducting compound XLPE insulated, insulation screened with extruded semi conducting compound in combination with copper tape (0.3 kA for 1 sec.), cores laid up, inner sheath of PVC tape, galvanized steel flat strip armoured, and overall PVC sheathed cable of the following sizes in the existing cable trench conforming to IS: 7098 part II 1985 with latest amendments. (1) 3C x 150 Sqm

OD230338/2023-2024:HT Cables - Supply & laying 11KV stranded compact circular aluminium conductor, conductors screened with extruded semi conducting compound XLPE insulated, insulation screened with extruded semi conducting compound in combination with copper tape (0.3 kA for 1 sec.), cores laid up, inner sheath of PVC tape, galvanized steel flat strip armoured, and overall PVC sheathed cable of the following sizes in the existing cable trench conforming to IS: 7098 part II 1985 with latest amendments. (1) 3C x 300 Sqm

OD230222/2023-2024:Supplying and making Outdoor cable end jointing with heat shrinkable jointing kit, including lugs and other jointing materials, for following sizes, XLPE aluminium conductor cable of 11 KV grade as required. - HT Cable Termination - 3C x 300 Sqmm

OD242479/2023-2024:HT Cable Terminations - Supplying and making indoor cable end termination with heat shrinkable jointing kit, including lugs and other jointing materials, for following sizes, XLPE aluminium conductor cable of 11 KV grade as required. 3C x 300 Sqmm

OD230223/2023-2024:Supplying and making Indoor cable end jointing with heat shrinkable jointing kit, including lugs and other jointing materials, for following sizes, XLPE aluminium conductor cable of 11 KV grade as required. - HT Cable Termination - 3C x 150 Sqmm

Supply erection testing and commisioning of suitable earthing and associated accessories at WTP

OD226282/2023-2024:Earthing with 1200x1200x12.5 mm CI - Plate Earthing thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

OD226283/2023-2024:Earthing with G.I. earth pipe 4.5 metre long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. (but with charcoal/ coke and salt ) as required.

OD226285/2023-2024:Supply and clamping the following size of strips on surface of wall/ parapet/ existing cable tray using clamps fabricated from 20 X 3 mm GI flat duly painted or heavy duty GI spacer saddles spacing of clamps not exceeding 1 m, making good the damages, colour washing etc. as required ( for horizontal run) 25 x 3 mm copper strip

OD230347/2023-2024:Supply and drawing bare earthing conductors of the following sizes along with wiring/ cables and giving connection as required - 4.75 mm copper conductor (6 SWG)

OD230348/2023-2024:Supply and drawing bare earthing conductors of the following sizes along with wiring/ cables and giving connection as required - 4.00 mm copper conductor ( 8 SWG)

OD230349/2023-2024:Supply and drawing bare earthing conductors of the following sizes along with wiring/ cables and giving connection as required - 3.15 mm copper conductor ( 10 SWG)

OD230350/2023-2024:Supply and drawing bare earthing conductors of the following sizes along with wiring/ cables and giving connection as required - 2.65 mm copper conductor (12 SWG)

Providing and fixing necessary electrical, fire safety equipments as per IE standards at WTP

OD226286/2023-2024:Supply & providing Aluminium anodised Danger Notice Board of size 200 x 150 mm. with inscriptions ( both in English and Malayalam) and conventional Skull and Bone in Red colour at locations as directed by the Engineer in Charge

OD226287/2023-2024:Supply and providing Laminated Electrical Schematic diagram framed and placed in a conspicuous location for clear vision.

OD226288/2023-2024:Supply and providing First Aid Chart duly framed and placed in a conspicuous location for clear vision.

OD226289/2023-2024:Supply and providing 9 Litre capacity GI Fire Bucket painted in post office red with primer coat of red oxide and written with white paint 'FIRE' mounted on MS angle frame work/ wall bracket filled with fine sand, painting the bracket/ floor stand including making good the damages, colour washing etc. as required.

OD226290/2023-2024:Supply and providing 5 Kg. Dry Chemical Powder type Fire Extinguisher with hose and clamps including fixing it to wall as required.

OD226291/2023-2024:Supply and providing 12 mm thick & 1 m wide electrical grade chequered type rubber mat to withstand 15 KV dielectric strength conforming to IS 5429/ 1969 in front of the HT Breaker Panel.

OD226292/2023-2024:Supply and providing 6 mm thick & 1 m wide electrical grade chequered type rubber mat to withstand 3.3 KV dielectric strength conforming to IS 5429/ 1969.

OD230445/2023-2024:Supply of Safety kit for the operators with all necessary accessories including googles, industrial safety shoes and rubber shoes, gloves, earplugs, muffs, hard hats & transparent face shield etc complete with IS specification recommended by the Dept of factories and boilers for the safe operation of machines and for the handling of chemicals.

OD230584/2023-2024:Supply of tool kit for the daily operational maintenance of the WTP and the pump houses in the scheme. The tool kit must be from a reputed/approved tool manufacturing company and the must contain following tools like set of separate screwdrivers, Hammer, 5m steel measuring tap, 8-inch needle-nose pliers and 10-inch groove-joint pliers, 9-Inch Adjustable Wrench, 9-inch torpedo spirit level, medium size mallet, 30cm Straight Edge, Sets of combination wrenches upto 30mm, grease gun, heavy duty scissors. wire stripper, electrial tester, Mutimeter, Allen wrench set, cable tug crimming tool, clamp meter, multimeter, Tachometer, megger meter, Chain bock 2Tonne capacity, 13mm bit drilling machine, 2000A welding machine & 4-inch wheel hand grinder etc complete.

Provision for scheme approval and power allocation at WTP

OD226275/2023-2024:Preparation and submission of latest scheme drawings, Voltage drop calculations, Earthing design & fault level calculations to the Electrical Inspectorate including all MV additions recently made and obtaining approval, arranging inspection for entire installation, obtaining sanction orders for the electrical installation, complete (Including all incidental and statutory expenses ).

pump sets at WTP

pump sets at Nanguthotty

pump sets at Pallikanam

pump sets at Kurissummotilpadi

OD226277/2023-2024:Design, Supply, testing, Errection and commissioning of submerged pump sets with required starter, cables etc as per I.E. Rules for an operating head of 21 m and a total discharge of 2 lps, including cost of all required protection equipments , relays as per IE Rules , Supply of pressure gauges, Electric connection , interconnection with the Raw water pumping main, trail run etc. including cost of 30 m cable length for each pump set ,specials required for carrying out the connections etc complete.1. The pump set shall be of Compact Unitary mono block construction. The pump casing shall be of high efficiency, Volute or Bowl diffuser Casing type with the Impeller mounted directly onto the Extended Solid Motor Shaft (without any couplings). 2. The pump maybe mounted directly into the water body (Canal / Sump)3. Suction Strainer: The pump is fitted directly with a Suction Bell mouth to which is compulsorily fitted a Heavy-duty Strainer (to avoid pick up of gravel, pebbles, vegetation, etc.). As per Documents.4. Induction Motor (Submerged) End Design: 4.1. The motor shall be of Squirrel Cage, Induction type, Air Filled yet capable of Water Immersion up to 20mwc for S1 duty – Motors with Oil or Water filled windings shall not be allowed.4.2. It is rated for 4l5V for up to 335kW & HT for larger ratings ± 10 % V, 3 phase 50 ± 5% c/s A.C. Its winding should be of Class “F or H” insulation * while the nominal temp rise of winding hotspot should not exceed that of class “B”. 4.3. The Motor Rating should be higher of the two criteria: • 5% over maximum power consumption throughout the range of performance at 50 Hz. OR 15% more than the pump shaft power consumed at duty point at 50 Hz.4.4. Motor Cooling the motor can be cooled just by water immersion 4.5. Motor Protection 4.5.1. Thermal Overload Protectors (Bi Metallic Over Load Relays) should be embedded in each phase of the stator winding to detect overheating & trip the motor from the control panel in the event of the temperature exceeding the safe operating limit (above 130C). 4.5.2. To detect primary Mechanical Seal’s Leakage a Moisture Sensor shall be provided in intermediately Oil Chamber (& not in the Motor casing or elsewhere) – this shall detect water mixing in oil by mode of increased leakage current from the moisture sensor.4.5.3. Cables A watertight Cable Junction Box sealed from the motor shall be provided for the motor power and signalling cables. The cable shall be brought directly out of the submerged motor without joints, and shall be of sufficient length, minimum 10 m (to be seal jointed by the manufacturer for longer lengths) outside adjacent to the wet well & above the HFL. They shall be sized in accordance with the electricity utility regulations and BS 7671. 5. Shaft & Bearings 5.1. The Solid Shaft shall be supported by heavy duty Ball or Roller bearings with a minimum L10 life of 75,000 hours & should be Permanently Greased 6. Stuffing Box / Oil Chamber 6.1. The pressurized entry of water into the motor (from the pump casing) should be prevented by Two separate mechanical seals in mounted in a Tandem mode within an oil chamber & the Primary (Inboard) seal should always be of Silicon Carbide or Tungsten Carbide faces to withstand erosive wear due to any silt particles. (Efficiency-Min 70 %)5% for 2 year warranty

pump sets at Heropady

OD244168/2023-2024:Supply,errection,testing and commissioning of 1 No. 11 KV/ 433 V , 100 KVA ,3 phase 50Hz ONAN cooled outdoor type copper wound distribution transformer with HV side and LV side bushing arrangements ,offload tap changer with 5 tap positions having 5% to -5% variations in 2.5% steps with first filling of oil etc complete with all fittings as per IS 1180 and relevent CEA regulations and as per guidelines issued by the Electrical Inspectorate on a double structure made of 9M PSC poles along with 400A 3 insulator type AB switch, DO fuse assebly, three nos LAs,insulators, inter connections using 6SWG copper wire with necessary stay arrangements complete- Rate as per the cost data approved by KSERC

raw water pump sets

Bidder Name

Tescons Projects Pvt. Ltd