CA NO. CWE/HILLS/RKT/95 OF 2025-2026 SPECIAL REPAIR FOR REPLACEMENT OF 01 X 4 POLE STRUCTURES AT POWER HOUSE A WITH RMU AND SPECIAL REPAIR TO CERTAIN E/M PORTION AND ASSOCIATED E/M FITTINGS AND FIXTURE IN OP WK SHELTER AT MIL STN HALDWANI

Amount

Supply, Installation, testing, and commissioning of 11KV Compact Outdoor duty (IP 54 enclosure) SF6 gas insulated 4-way manual operated Ring Main Unit comprising of 01 No. 630 Amps Load Break Switches and 3No, 630 Amps Vacuum Circuit Breaker, cable termination from the front, breaking capacity 21KA/3sec (Internal Arc Classification ALF-R 21kA-1sec both for tank and cable box as per IEC 62271-200), enclosed in stainless steel tank having IP67 Degree of Protection, leak rate of SF6 gas less than 0.1% and tested as per IEC 60056/60694/60298. Protection CTs shall be ring core type, complete all as specified and directed. Make of RMU : SIEMENS (8DJH-ST)/ SCHNEIDER (FBX)/ Equivalent in ABB) Rated Voltage 12 kV Rated Operating Voltage 11 kV Rated Power Frequency Withstand Voltage 28 kV Rated Lightning Impulse Withstand Voltage 75 kV Rated Short-Time Withstand Current 21 kA Rated Short-Circuit Duration 3 s Rated Peak Current 52.5 kA Rated Current 630 A Derived Electrical Parameters as per Altitude Correction Rated Lightning Impulse Withstand Voltage 75 kV Rated Power Frequency Withstand Voltage 28 kV Rated Voltage 12 kV Design Outdoor Overall Board Extensibility:: extensible Ambient temperature limit -5°C to +40°C Installation Altitude <1000 M Operating Handle Anti Reflex IAC Classification AFLR

Load Breaker unit - Each LBS shall be maintenance-free, with breaking in low pressure SF6 gas. The position of the power contacts and earthing contacts shall be clearly indicated on the front of the switchboard through mimic. The position indicator shall provide positive contact indication in accordance with IEC 62271-103 standard. In addition, manufacturer shall prove reliability of indication in accordance with IEC 62271-102 standard. The switches shall be of the "increased operating frequency" in accordance with IEC 60265-1 § 3.104 standard. The switches shall fulfil E3 classification for electrical endurance. They shall have 3 positions, open or disconnected, closed and earthed, and will be constructed in such a way that interlocking prevents unauthorized operations. The switch-disconnector and earthing switch shall be equipped with two separate operating entry points. The switches shall be fully mounted and inspected in the factory.Manual opening and closing will be driven by a fast-acting /snap action mechanism, independent of operator action. Each switch can be fitted with an electrical operating mechanism in a specially reserved location, by addition of a motorization unit and without de-energizing the switchboard.

The switch operating mechanism shall have a mechanical endurance M1. VCB - Each circuit breakers shall be of the maintenance-free, vacuum type. The position of the power and earthing contacts shall be clearly visible on the front of the switchboard through mimic. The position indicator shall provide positive contact indication in accordance with IEC 62271-102 standard. The circuit breakers shall have 2 positions: open or disconnected and closed. A separate and independent 3 position earthing switch and disconnector shall be fitted to open and earth the cables in such way that interlocks prevent all unauthorized operations. They shall be fully mounted and inspected in the factory. The earthing switch should be on line side to acheive maximum number of Mechanical operation. An operating mechanism can be used to manually close the circuit breaker and charge the mechanism in a single movement. An independent mechanism shall be fitted for the 3 positions earthing switch and disconnector. It shall be fitted with a local system for manual tripping by an integrated push button. There will be no automatic reclosing. The circuit breaker shall be associated with an integrated protection unit that will operate without any auxiliary power supply and shall include: 1 Three ring core type CT mounted on the cable. 2 A relay should be able to be integrated at the front of the panel without installing it in the low voltage compartment Note : All necessary test of RMU to be carried out by OEM after installation in attendance of Engr-in-Charge.

Dismantling of Steel poles including demolition of PCC as required and leveling ground and making surface dressing complete all as required and as per direction of Engr-in-Charge.

Dismantling of cross arms of MS Channel of angle-sections etc, complete all as required and as per direction of Engr-in-Charge.

Dismantling of insulators any type, any size as required and as per direction of Engr-in-Charge.

Dismantling of GOD vertical/horizontal mounted including insulators and operating mechanism for repair/replacement of broken/worn out components and insulators complete all as per direction of Engr-in-Charge.

M&L for Earthing complete with galvanized sheet earth plate electrodes 600x600x6.3 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below ground level) with top edge of plat not less than 1.5 mtr below normal ground level connected to galvanized iron strip 32 x 6 mm as earthing strip by means of bolts, nuts , check nuts and washers of galvanized iron or steel all as shown in electrical plate No 3 and including excavation and earth work, GI pipe light grade 40 mm bore for protection of GI earth strip from earth electrode to and including the earth test point of galvanized Iron/steel of size 75x75x 25mm, supplying and laying charcoal dust, common salt, PCC 1:2:4 type B1 chamber and MS angle iron frame 40x40x3mm and RCC cover 40mm thick (1:2:4) type B1 using 20mm graded stone aggregate reinforced with 6 mm dia TMT bars @ 75mm C/C both ways with MS handle 12mm dia, PGI funnel and wire mesh,20 mm dia GI pipe light grade for watering and connected to earth test point including brazing at all joints except at test point and testing complete all as specified and directed by Engr-in-Charge.

M&L for cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessoreis suitable for 3 core XLPE armoured aluminium conductor cable of size 120 to 185 sqmm complete all as specified and directed.

Supply , laying , connecting, testing and commissioning of 120 Sqmm 3 core earthed system under ground HT XLPE insulated screened, PVC bedded, armoured heavy duty electric cable with stranded aluminium conductor 11000 Volts laid in trenches, fixed to walls/ drawn through pipe with suitable size glands, crimping type lugs and including the disturbence surface of road making good with using PCC etc all as specified including dismentaling of old u/s cable.

M&L for XLPE insulated, armoured heavy duty electric cable with aluminium conductor 1100 volts grade, cross section area 70 Sqmm 3.5 core laid in trenches or passing through pipes/ducts and incl the disturbence surface of road making good with using PCC complete all as specified and directed. Including taking down old LT U/G Cable from trenches/protection pipe etc complete.

Excavation in trenches not exceeding 1.5 mtr wide, depth exceeding 1.5 mtr and getting out in hard/dense soil complete all as specified and directed by Engineer-in-charge

Returning, filling in including spreading, levelling, watering and well ramming in layers not exc 25 cm in hard/dense soil all as specified and directed.

Removing excavated material (soil) not exc 50 mtr and depositing where directed at a level not exc 1.5 mtr above the starting point complete all as specified and directed.

M&L for dry clean sand filling in trenches below and around under ground cable cushioning complete all as specified and directed.. Note :- Thickness of sand cushioning shall be measured after punning.

Supplying and laying un-reinforced precast concrete cable cover class HV type 1 flat size 300x180mmx40mm complete all as specified and directed

M&L for brick sub class 'B' for protection of cable comlete all as specified and directed.

Supplying and laying synthetic Rubber insulated mats 2 mm thick for voltage upto 3.3KV for electrical purpose as per IS 15652-2006, (Superseding IS 5424) suitable for electrical shock safety of size 2m x 1 m complete all as specified and directed.

Supply and Fixing Galvanised steel tubing light grade for protection of under ground cable on poles / walls under road crossing etc. conforming to IS-1239 including taking out/down of existing GI pipes of 80mm bore complete fall as specified and as directed.

All as per item No. 17 here in before but 100 mm bore steel tubing

Supply and Fixing steel tubing Light grade galvanised iron 50 mm bore with all fittings for protection of UG cable under road/culvert and fixing on wall with saddle, screw complete all as specified and directed.

M & L for PCC (1:3:6) type C-2 using 40 mm graded stone aggregate in foundation of RMU and plinth complete all as specified and directed.

M & L for PCC (1:2:4) type B-1 using 20 mm graded stone aggregate as in platform of RMU and plinth as per site requirment including necessary form work complete all as specified and directed.

M&L for brick work with fly ash bricks one brick thick honey comb walling built in cement mortar 1:4 complete all as specified and directed at site.

M& L for Rendering 10mm thick on fair faces of brick work or concrete surfaces plaster in cement mortar 1:3 complete all as specified and directed at site.

M & L for Hard core, broken stone/ boulders to gauge n. exc. 63 mm complete all as specified and directed at site.

M & L for white wash in new walls surfaces with two coats of white wash complete all as specified and directed at site.

Taking down carefully aluminium/copper wiring of any size (for light, fan, socket or power etc complete) including fixture and fittings such as switches, sockets, ceiling roses, pendent holders regulators, tube lights, bells etc and making good disturbed surfaces of wall, roof etc to match with existing surface.

Supply & Fixing point wiring for one light point/ fan point controlled by one, one way switch with 1.5Sqmm size, PVC insulated and unsheathed 1100volts grade, single core stranded (multistrand) copper conductor (FRLS) PVC cable drawn into & including PVC casing/capping and accessories including sunk/surface cast iron or pressed steel terminal boxes for mounting fittings like switches, sockets & fan regulators etc with 3 mm thick plastic laminated sheet covers fixed with brass screws and cup washers including one continuous run of PVC insulated (green colour) 1.5 Sqmm multistranded copper conductor cable earth wire and connected to earth, etc and making good disturbed surfaces of wall, roof etc to match with existing surface complete all as specified and directed (Note:- wiring shall be done in colour coding as directed by Engineer in charge)

All as per item No.27 herein before but one bell point controlled by one switch

All as per item No.27 herein before but one light point controlled by one two way switch

All as per item No.27 herein before but one socket outlet 5 Amps on the same board.

All as per item No.27 herein before but one socket outlet 5 Amps on independent board

All as per item No 27 herein before but wiring with 2.5sqmm copper wire (FRLS) PVC and 2.5 sqmm earth wire for socket outlet 5 pin 15 amps on independent board.

All as per item No 27 herein before but wiring with 4.0sqmm copper wire (FRLS) PVC and 4.0 sqmm earth wire for socket outlet 5 pin 15 amps on independent board.

Supply & Fixing lamp holder (dome type) PVC insulated body with cord grip cap for angle/battern fitting complete all as specified and directed.

Suppy & Fixing switch piano flush type single pole, one way 6 Amp complete all as specified and directed.

Supply & Fixing switch piano, flush type single pole 15 Amp complete all as specified and directed.

Suppy & Fixing switch piano flush type single pole, two way 6 Amp complete all as specified and directed.

Supply & Fixing socket outlet 2 in 1, 3 pin, 6 and 16 Amp flush type complete all as specified and directed.

Supply & Fixing socket outlet 2 in 1, 3 pin, 6 Amp flush type complete all as specified and directed.

Supply & Fixing Bell push, flush type, 5 Amp complete all as specified and directed.

Supply & Fixing steped type electronic fan regulator flush type on the existing phenolic laminatedsheet etc.

Supply & fixing Bell AC 230 volts, 50 Hz single pole complete all as specified and directed.

Supply & Fixing ceiling rose, PVC/ Poly carbonate, isolated body three terminal complete all as specified and directed.

Supply & Fixing modular AC Box with MCBs cap 25 Amp protected socket 3 module power socket and heavy duty plug with metal box for AC complete including taking down unserviceable sheet metal enclosure of any make and type including teakwood board etc complete and making good the disturbed surfaces including colour wash complete all as specified and directed.

Supply & Fixing modular AC Box with a double ple MCBs cap 25 Amp protected socket 3 module power socket and heavy duty plug with metal box for AC complete including taking down unserviceable sheet metal enclosure of any make and type including teakwood board etc complete and making good the disturbed surfaces including colour wash complete all as specified and directed.

Supply & Fixing sheet metal enclosure for DBs(double door type) single pole and neutral 4 way including blanking plate as required with 200 Amps rated bus bar, 240 volts fixed including taking down unserviceable main switches MCB DB’s of any make and type including teakwood board etc complete and making good the disturbed surfaces including colour wash complete all as specified and directed.

All as per item No. 46 herein before but 8 way

All as per item No. 46 herein before but 12 way

Supply & Fixing sheet metal enclosure for DBs(double door type) Triple pole and neutral 4 way including blanking plate as required with 200 Amps rated bus bar, 415 volts fixed and concealed in wall including taking down unserviceable main switches MCB DB’s of any make and type including teakwood board etc complete and making good the disturbed surfaces including colour wash complete all as specified and directed.

All as per item No. 49 herein before but 6 way

Supplied & Fixing Rigid non matallic PVC conduits external dia 20 mm ISI marked exclusive of boxes (Junction/terminal) but inclusive of all tee, bends, elbows, reducers, bell mounth tube ends and fixing accessories such as couplers, lock, nuts, saddles, pipe hooks etc for exiting point/main/sub-main wiring complete all as specified and directed.

Supply & Fixing 240V, 10KA 'B' curve miniature circuit breaker (MCB) of single pole and current carrying capacity 5 to 32 Amp, in the MCB DB complete with connection testing and commissioning complete all as specified and directed .

Supply & Fixing 240V, 10KA 'C' curve miniature circuit breaker (MCB) of single pole neutral (SPN) and current carrying capacity 32 Amp, in the MCB DB complete with connection testing and commissioning complete all as specified and directed .

Supply & Fixing 240V, 10KA 'C' curve miniature circuit breaker (MCB) of single pole neutral (SPN) and current carrying capacity 40 to 63 Amp, in the MCB DB complete with connection testing and commissioning complete all as specified and directed .

Supply & Fixing 415V, 10KA 'B' curve miniature circuit breaker (MCB) of triple pole neutral/four pole (TPN/FP) and current carrying capacity 40 to 100 Amp, in the MCB DB complete with connection testing and commissioning complete all as specified and directed .

Material and labour for Sub main wiring with 2 run of 2.5 Sqmm (nominal area) FRLS, PVC insulated, unsheathed and stranded copper conductor cable ISI marked, drawn in PVC casping caping ( ISI marked) Heavy grade inclusive of junction/terminal boxes, all fittings and accessories fixed and including 2.5 Sqmm (nominal area) FRLS, PVC insulated, unsheathed and stranded copper conductor cable ISI marked as earth wire, connected with thimble from main DB to sub main DB including cutting and chasing and making good surface as original by plastering and whitewash/ colour/ distemper etc including taking down existing old sub main wiring complete all as specified. Note :1 The cost of earth wire is included in the quoated rates. 2. Three run of 2.5 sqmm and one run of PVC conduit will be measured as one unit ie one running metre”

All as per item No. 56 herein before but wire of size 2 X 4 Sqmm inclusive 4 Sqmm earth wire.

All as per item No. 56 herein before but size of wire 2 X 6 Sqmm inclusive 6 Sqmm earth wire.

Supply and fixing LED luminaire 600 mm x 600 mm, 36 watt, 220 V AC recessed type (warm/milky white as required on site) with high efficiency PMMA diffuser soft glare free light complete with driver, holders & LED lamp suitable for roof ceiling, life of tube light not less than 50,000 hours including connecting up with driver three core flexible copper conductor cases of suitable size complete. Note:- Contractor shall submit 2 year warrenty of material from manufracturer alongwith purchase voucher.

Supply and fixing round shape 15 watt, 220 V AC recessed type (warm/milky white as required on site) with high efficiency PMMA diffuser soft glare free light complete with driver, holders & LED lamp suitable for roof ceiling, life of tube light not less than 50,000 hours including connecting up with driver three core flexible copper conductor cases of suitable size complete. Note:- Contractor shall submit 2 year warrenty of material from manufracturer alongwith purchase voucher.

Supply and fixing decorative wall mounting LED Light Opal Glass diffuser suitable with 9 Watt LED Lamp complete all as specified and directed. Notes;- 9 Watt LED Lamp (White/Warm white) included in tems:

Supply and fixing LED light fitting mirror type with high out put diffuser 2 feet, 10 watt 220 V AC decorative type with driver holder and LED lamp including connecting up with three core flexible copper cable of suitable size complete

Supply and fixing LED lights T-5 fitting 1x 20W (warm/milky white as required on site), 220V, AC with driver, holder including LED tube light connecting up with three core flexible copper conductor cable of suitable size from ceiling rose 1.5 RM and life of tube light not less than 50,000 hours complete all as specified and directed.. Note:- LED tube light shall be purches to get minimum 2 year warrenty of material from manufracturer.

M&L for taking down ceiling fans / wall mounted fans of any size / sweep after disconnecting the wire from existing ceiling rose and refixing the same after painting the same with synthetic enamel paint by spray machine including filter after cleaning dust, taking out burnt/damaged winding, bushes & cleanig of stator and rotor incl etc. Rewinding with 26/27 SWG of enamelled copper winding wire replacement of bearing /bushes, condencer 2.5/4 mfd handing and testing of fan with and including provision of 23/0.0076 copper flexible core twin core not less than 1.5 meter in length and make the fan operational with a guarantee period of two year after installing the repair fan complete all as specified and directed.

Material & Labour for taking out burnt/damaged winding, bushes & cleaning of stator and rotor incl etc of exhaust fans any sweep and size, Rewinding with 26/27 SWG of enamelled copper winding wire replacement of shaft, bearing /bushes, condencer 2.5/4 mfd handing and testing of fan with and including provision of 23/0.0076 copper flexible core twin core not less than 1.5 meter in length complete all as specified and directed.

S & F exhaust fan mettalic body ISI Mark, 300 mm size with blades, frames and louvers including cutting opening through brick/stone /PCC block wall, making of holes and grouting of suitable size of nuts and bolts for 300 mm exhaust fan and making good dismantled portion and making connection with wire of suitable size and connecting accessories complete all as specified and directed.

S & F exhaust fan made of sturdy Engineering plastic type ISI Mark, copper winding of sweep 250 mm size complete with louvers including cutting opening through brick/stone /PCC block wall, making of holes and grouting of suitable size of nuts and bolts for 300 mm exhaust fan and making good dismantled portion and making connection with wire of suitable size and connecting accessories complete all as specified and directed.

Supply and fix electronic meters temper proof LCD display with polycarbonate cover 3 phase, 415 Volst, 10-60amp, accuracy class-I 50Hz, confirming to IS 13779, IP-54, with parameters to show data, time, current reading, load, PF, voltage and KWH including suitable copper wire as requirement at site complete all as specified and directed by Engr-in-Charge. Existing old meter will be deposited at MES store or as dircted by engineer in charge.

Taking down and Supply, installation, testing & commissioning LT panel Out door type, suitable for operation on 415 volts, AC 3 phase, 4 wire, 50 Hz electric supply system, made out of CRCA sheet outer box thickness 3.15 mm and inner box thickness 2 mm, IP-54 Protection side covers with front and back hinged doors with proper locking arrangement including side cable alley, rubber gasket on front and back door to make it dust and vermin proof, powder coated , The cubicle shall have frame work, bottom frame & 45 CM long four legs of size 50 x 50 x 6 mm Angle iron, including 300 Amp TPN aluminium busbar sleeved with heat shrink sleeve colmmour coated for 3 Phase, 4 wire electric supply system and control wiring with minimum size: 1.5 SQmm of copper cable complete comprising of following accessories all as specified and any other items required for smooth functioning of LT Panel is deemed to be included in the rate quoted for the items and as directed by the Engr-in-charge. (Note: Feeder pillar box shall be mounted on PCC 1:2:4 type B-1 (with 20 mm graded stone aggregate) foundation block of suitable size upto 40 cm above ground level as directed. The cost of the PCC foundation shall be deemed to be included in the unit rate quoted for the item ( Note:-All type Test Certificates and Design varification with switch gears ( ACB & MCCB) as per confirming to IS/ IEC: 61439/2011 Part-1 and part -2 with short circuit test at 65 KA, should be submitted by the contractor before executing the job.)

Supply, install, testing and commissioning and testing factory made and tested (including CPRI type test certified) LT feeder pillar box (KIOSK) out door type, floor mounted,compartmantalised and IP-65 suitable for 415 Volts 3 phase 4 wire, 50 Hz AC supply system, all as specified and directed, having bus bar chamber. The panel shall be dust and vermin proof, made of 3.15mm CRCA MS sheet and with base frame of 40x40x6mm angle iron , powder coated, having front and rear openiable hinged double door shuters with aprons for cable entry and locking arrangement complete :- Incoming:- (a) MCCB 250 amps, 4 pole, 50Hz ,415 V with rupturing capacity 36 KA-01 No Cat Part No Havells IHLLSEBF0250 # (b) Bus bar electrolytic grade copper and supported on Non-hygroscopic, non carbonising, corrosion resistance SMC insulators 600Amp, 4 pole, not less than 30cm long mounted on insulators for incomming supply 01 No. (c) Digital Load manager multy functional energy meter having facility to measure true RMS value, KWH, neutral current, for quadrant energy, max demand (KW, KVA, Kvar & Amp), CT operated 415 volts, 50 Hz AC supply including CTs. -01 set. Make : L&T Cat Part No WDM303FDN B1 (d) Neon indicating lamps (R, Y & B) -01 Set. (e) On load Change over Switch 250 amps, 4 pole,-01 No Outgoing:- (a) MCCB 200 amps, 4 pole,35 KA (Icu = 100% Ics), with adjustable thermal over load release with earth fault protection. 50 Hz, 415 volts grade - 01 No. Make: L&T (Cat Part No CM 90634OOMO) (b) MCCB 63 Amps, 4 pole, 25 KA , with adjustable thermal over load release with earth fault protection. 50 Hz, 415 volts grade - 02 Nos. Make: Havells (Cat Part No IHLAST0063) (c) MCB DP 20 Amps- 01 No

shahji contractors (BID ID -3480562)

M/S HARINDER SINGH (BID ID -3474817)

Mahamaya Engineers Services (BID ID -3475339)