GE ELEC/D-44/2024-25

Amount

Supply,installation,testing & commissioning of transformer step down, outdoor type copper wound 11/0.433 KV, 3 phase, 50 HZ of rating 315 KVA, core type, oil immersed naturally air cooled, oil natural air natural (ONAN), with external colling tubes, delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector group DYn-11 with neutral brought out on secondry side (LV) and having taping range +7.5% in steps of 2.5% each on HV side to be changed by means of hand operated off load tap changer gear switch. The maximum temperature rise should not exceed 40 degree celsius in oil and 45 degree celsius in HV/LV winding when measured by resistance method after continous full load run on an ambient temp of 40 degree celsius transformer shall be of BOLTLESS core design. Transformer shall be double wound, core type with low loss, non ageing, high permeability prime grade CRGO wht m4 grade or better, perfectly insulated and clamped to minimize noise and vibrations. The transformer shall be IS/IEC 60076 and as per IS-1180 part-I of 2014 marked and shall comprise of the following:- (a) One cable box on HT side (Primary side) consisting of three nos porcelain bushing with copper rods, complete with nuts and washer , with cable glands suitable for reception/taking out 3 core 120 Sqmm, HT 11000 volts grade, XLPE insulated and PVC sheathed, heavy duty , armoured cables including jointing materials complete. (b) One cable box on LT side(secondary side) consisting of four nos porcelain bushing with copper rods, complete with nuts and washers, with cable glands suitable for reception/taking out 3.5 core 300 sqmm, LT 1100 volts grade, PVC/XLPE insulated and PVC sheathed, heavy duty, armoured cables including jointing materials complete. (c ) conservator with filter type drain valve and oil level guage. (d) De-hydrating breather with first fill of dehydrating agent (Silica Gel). (e) Explosive vent, Thermometer pocket on tank cover, oil level guage, Oil drain filter valve, Lifting ligs,oil filling hole with cap/plug with connection plate complete, Air release valve plug and four nos plain solid cast steel detachable rollers.

(f) One 100 mm dia, dial type thermometer, vapour pressure type, having range 0-120 degree celsius with metal guard having maximum perimeter temperature reading indicator with re-setting device. (g) Two earthing terminals on tank cover to facilitate fixing of 32x6mm galvanised iron earth strip for earthing of body. (h) Rating plate and terminal marking plate. (j) Extra bushing for neutral in the LT cable box for providing independent set of earthing for neutral. (k) First fill of new and unused transformer oil, IS-335 of 1986 marked, filtered and tested upto 50 KV dielectric strength at 2.5 mm air gap between testing electrodes, specific resistance at 27 Degree celsius Ohm-om 500 x 10 the power12, water content 50 PPM, Dielectric dissipation factor (tan Deta at 90 degree celsius) 0.005, Neutralisation value mg of KOH/gm of oil 0.03, Inter facial tension N/M at 27 Degree celsius - 0.04, flash point 140 Degree celsius and sluge 0.1 % by weight. (l) Providing adequate size and nos of channels, embeded in floor, for movement of transformer. (m) Tranformer losses shall not exceed the loses mentioned in Table 6 of IS: 1180 of 2014 Part - I with energy Effeciency level - III

Supply, laying, testing and commissioning of XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured,electric power cables (heavy duty) with aluminium conductor, 11000 volts, grade cross sectional area 120 sqmm, 3 core complete all as specified & directed by Engr-in-charge.

M&L for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 70 sqmm to 120 sqmm complete all as specified & directed by Engr-in-charge.

M&L Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 70 sqmm to 120 sqmm complete all as specified & directed by Engr-in-charge.

Supply, laying, testing and commissioning of cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 volts grade with stranded aluminum conductor of size 240 sqmm 3.5 Core complete all as per, specified & directed by Engr-in-charge.

Supply, laying, testing and commissioning of cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 volts grade with stranded aluminum conductor of size 185 sqmm 3.5 Core complete all as per, specified & directed by Engr-in-charge.

Supply, laying, testing and commissioning of cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 volts grade with stranded aluminum conductor of size 35 sqmm 3.5 Core complete all as per, specified & directed by Engr-in-charge.

Supply, laying, testing and commissioning of cable XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 volts grade with stranded aluminum conductor of size 16 sqmm 3.5 Core complete all as per, specified & directed by Engr-in-charge.

Supplying , installation, testing and commissioning of 11 KV, 630 Amps having short circuit capacity 20kA/3-sec, Outdoor (IP54), RMU (Ring main unit) 5-way comprising of 02 Nos motorized operated Load Break Switch and 03 Nos 630 Amp Fixed-Type motorized spring-charging VCB electrolytic grade copper busbars all inside single, gas-filled, robotically welded stainless steel 304 (Non Ferrite Non Megnetic Grade) tank with min. thickness 3+0.5 mm, IP 67 Degree of Protection , internal-arc classified 20kA/1sec, on-site-repairable with site replacable bushing/coupling/mechanism, gas refilling etc. The enclosure shall have padlockable double-door access with anti-theft higes, fully covering the front facia and cable boxes to ensure fail-safe anti-theft protection. The unit alongwith Bus-connected, fixed-type Auxiliary transformer shall include the following along with all necessary accessories and fittings as required at site. (A) 02 Nos. Incoming Load Break Switch module each consisting of following accessories :- (i) Each switching – unit is designed as a three position switch. This three function switch combines the function of switch – disconnector an earthing switch (ii) 11 KV, 630 A Load Breaker Switch with interlocking line -earthing scheme both short circuit current, 21 KA for 3 Sec Making capacity – 50 kAp- 01 No (iii) Auxiliary contacts – 1 NO + 1 NC- 01 No. (iv) Spring assisted motorized mechanism with un-inhabited operating shaft for emergency manual operation with integrated earthing switch – 01 No (v) Cable terminals cable bushing situated not beyond 300 mm or as per OEM tested design from cable cover to allow ease of access for installation/testing) with door arrangement for enhanced safety (IP54+IP3X) interlocked to prevent access of size upto 11 KV, 300 Sq mm, 3 Core, along with XLPE AL cable termination / End Kits Each set of 3 (vi) Right angle boots (push on type) Each set of 3 (vii) Arc proof cable covers having cable entry from bottom, front with interlocking mechanism including earth switch – 01 No. (viii) Capacitive voltage indication fixed type system as per IEC 6123 with LED – 01 Set (ix) Fault passage indicator – It is to be provided for each incomer Load break unit, FPI with LED / digital display to be added to detection of cable fault – 01 No (x) ON, OFF, Earth mechanical indication on the front mimic of the panel – 01 No Cable cover standard - 01. (xi) Mechanical interlock to be provided between both incmer to prevent simultaneously and accidently closing of both supplies.

(B) 03 Nos. Outgoing VCB module each consisting of following accessories :- B) Outgoing VCB Module - Each consisting of following accessories: - (i) Each function – unit consists of a vacuum – circuit breaker in combination with a three position – switch. The three-position switch fulfils the operation of the disconnector and earthing function. (ii) 11 KV, 630 Amps Fixed type VCB module with series disconnector cum earthing switch of short circuit breaking current / withstand, 21 KA for 3 Sec Making Capacity – 50 kAp - 01 No (iii) Auxiliary contacts – 1 NO + 1 NC- 01 No. (iv) Stored – energy motorized high – endurance spring charging mechanism (M1+), with inbuilt spring charging lever and mechanically latched ON/OFF push -buttons to allow handle less and un-inhabited operation – 01 No. (v) Cable terminals cable bushing situated not beyond 300 mm or as per OEM tested design from cable cover to allow ease of access for installation/testing) with door arrangement for enhanced safety (IP54+IP3X) interlocked to prevent access up to 11 KV, 300 Sq mm, 3 Core, along with XLPE AL cable termination Each set of 3 (vi) Right angle boots (push on type) Each set of 3 (vii) 3 O/C + 1 E/F self-powered numerical protection relay with low and high set for over current and Earth Fault. Relay should have facilities to display the maximum loaded phase current also. Relay shall record minimum 5 fault records with time stamping. Relay shall be communicable with RS 485 Port on MODBUS Protocol – 01 No/per VCB outgoing. (viii) Auxiliary Relay for OTI / WTI – transformer protection – 01 No (ix) Associated ring Core cast- resin insulated CTs Dual Ratio 100/50/1-1 Amp (for metering and protection) for both outgoing 2.5 VA, 5 P 10 Protection – Each set of 3 (x) Arc proof cable covers having cable entry from bottom, front with interlocking mechanism including earth switch – 01 No. (xi) Capacitive voltage indication fixed type system as per IEC 6123 with LED – 01 Set (xii) ON, OFF, Earth mechanical indication on the front mimic of the panel – 01 No (xiii) Emergency trip push button – 01 No. (xiv) CB mechanical operation should be min 10000 Nos without any maintenance. (xv) Vacuum Interrupter and VCB must be RMU manufacturer’s own make for better life cycle optimization. (xvi) CB operating sequence should be O-0.3sec-CO-3min_CO (C) Bus connected, fixed type Potential and Auxiliary transformer with floor mounted compartment of matching height and depth, positioned alongside RMU to provide required aux. supply for spring charging motor and metering, consisting of following accessories:-

(i) 1-Ph 11 KV/110V, class 0.5 potential transformer – 03 Nos for metering. (ii) 1-Ph (11 KV/rt3), 230 VAC, 250/500 VA Auxiliary transformer – 01 No for battery charging. (iii) 11 KV Tri vector Energy Meter of Class 0.5 accuracy with RS 485 Communication – 01 No per VCB o/g (iv) 2x12 Volt DC battery 42 AH – 01 Set (v) 230 VAC/24 VDC Battery charger – 01 No, with indication of status of functioning (vi) HRC fuse links for primary side isolation and AC/DC MCBs for secondary isolation – 01 Set (vii) Digital Voltmeter & RYB LED indications to confirm AC/DC supply availability – 01 Set (viii) Anti condensation space heater with thermostat – 01 No (ix) LED lamp for illumination and 3 pin socket with switch – 01 No (D) Additional equipment deliverd separately or mounted seperately :- (i) Operationg Handle for Manual Isolator/Disconnector/Earthing Operation-02 Nos (ii) Standard Manometer -01 No (iii) Operation and Maintenance Manual -01 No (iv) Installation & Commissioning Manual -01 No (v) Cable clamping provision (standard) -01No (vi) RMU Foundation as per OEM Recommendation (Earth Work and PCC works) for placing RMU on plinth is deemed to be included in the cost quoted. Height of plinth should not be less than 0.60 mtrs from ground level. Note:- (i) It is preferable to have all feeder-switches inside single stainless steel compartment with incomer feeders at the extremities to prevent chances of failure due to plug-in coupling arrangement. (ii) Necessay interclocking arrangement shall be provided for safety and operations (iii) Above switchgear shall confirm to relevant IEC (62271-200) for design, manufacturing and internal arc compliance. Any claims towards internal arc compliance, number of mechanical/electrical/short-circuit operations, gas-leakage rates etc. shall not be accepted unless proven via type-test reports of model being offered. (iv) The above module consisting of Load break Switches and VCBs shall be aligned appropriately and must have electrical and mechanical interlocking as per latest electrical safety norms including installation on platform as recommended by OEM. (v) The OEM should provide 2 years manufacturing warranty including service support at site without any cost from the date of commissioning of RMU at site. Certificate for the same to be submitted by OEM at the time of delivery. The rate quoted by the bidder shall include the service cost of RMUs and no extra claim shall be entertained at later stage.

M&L for earthing complete with galvanized Steel earth plate electrode 600x600x6.0 mm thick, buried directly in ground (earth pit not less than 2.25 meters below normal ground level) with top edge of the plate not less than 1.5 mtrs below normal ground level surrounded from all sides by mixture of charcoal and common salt and electrode connected to and incl galvanized iron strip 32x6 mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanized iron or steel and earth wire protected by GI protection pipe light grade 15mm dia connected to main earth wire on pole or controll board GI pipe light grade 20mm bore for watering funnel with wire mesh PCC chamber pit in PCC 1:3:6 type C-1 40mm yhick Precast RCC -25 cover reincorced with 8 mm dia TMT bars @ 10 cm C/C on both sides and handle, excavation and earth work in any type of soil and removal upto 50m complete all as sprecified and shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on completion complete all as per, specified & directed by Engr-in-charge.

Supply and laying GI tubes light grade ISI marked , galvanized, 80 mm bore laid in trenches or under floor or fixed with poles/walls for protection of electric cable complete all as specified & directed by Engr-in-charge.

Supply and laying GI tubes light grade ISI marked , galvanized, 40 mm bore laid in trenches or under floor or fixed with poles/walls for protection of electric cable complete all as specified & directed by Engr-in-charge.

Boring of hole under road/pavement/hard standing or any other situation by mannual means and suitable for passing of GI pipe 40 to 100 mm bore and making good both ends complete all as specified & directed by Engr-in-charge.

Supply & installing steel tubular swaged pole type 410 SP-31 (9 mtr long) complete with mild steel base plate, finial taper plug, bolts, nuts and screws including two coats of aluminium painting over a coat of primer for exposed surfaces and two coats of bituminous black paint over a coat of primer to the surfaces in contact with concrete inclusing two runs of PVC insulated 1100V multi-stranded copper wire of size 2.5 Sqmm from the junction box to the fitting complete all as specified and directed. Note :- The unit rate in this item is deemed to be included the cost oif exacavation and earth work in any type of soil,PCC foundation 1:4:8 type D-2 , PCC coping 1:2:4 type B-1 as in steel tubular pole and GI bracket made of GI pipe medium grade 40 mm bore, 1.5 mtr long for fixing of street light fitings . The steel pole shall be painted by bituminious paint total lenth inside and up to planting depth outside complete all as specified & directed by Engr-in-charge.

S&F KIOSK box wheather proof including made out of one piece mounted SMC base and door pole mounted hinged door size 333x233x120mm out side and 300x200x105mm inside dimensions comprising of aluminium bus bar 4 strips for 3 phase and neutral 63 Amps and 6 Amps MCB with base including embossing/painting of danger notice of size not less than 10cm x 7.5cm with letters, figures and conventional skull and bones in signal red colour on front face of KIOSK box body with MS clamp of suitable sizehaving suitable size nut,bolts & washer complete all as specified & directed by Engr-in-charge.

S&F LED street light Fitting 70 watt LED, IP-66 protection, single peice pressure die cast aluminium housing high grade powder coated finish with heat resistant toughned clear glass cover for lamp and control gear compartment with high voltage surge protection device up to 4.5 KV, prewired conductor to fitting with 3 core 1.5 sqmm pvc insulated cable along with GI pipe bracket for street light fitting complete with 2.2 mtr long 50mm dia GI pipe medium grade and including necessary mild steel clamp , nuts,bolts and wahsers and painting on steel surfaces with two coats of aluminium paint complete all as specified & directed by Engr-in-charge.

Excavation in trenches not exceeding 1.5 metre wide & not exceeding 1.5 meter in depth for foundation, laying of cable or pipe ( where provided for protection of cable or fixing with poles and stays) and getting out in any type of soil including trimming the sides and forming bottom surfaces to required levels complete all as specified & directed by Engr-in-charge

Returning, filling in trenches in soft/loose soil in layers n.exc. 25 cm after laying of cables including spreading, levelling, and well ramming complete all as specified & directed by Engr-in-charge.

Removing surplus excavated soil to a distance n.exc. 50 metre and depositing where directed at a level n.exc.1.5 metre high from the starting point complete all as specified & directed by Engr-in-charge.

M&L for sand filling in trenches with clean dry unwashed sand free from sharp particles, gently punning around the cables complete all as specified & directed by Engr-in-charge.

Supply and laying brick old size, sub class 'B' brunt bricks laid in trenches as cable cover across the cable in trenches complete all as specified & directed by Engr-in-charge.

Supplying and laying un-reinforced precast concrete cable cover, class HV, type 1, flat size 300mmx 180mm x 40mm complete all as specified & directed by Engr-in-charge.

M&L Brick work with sub-class 'B' bricks, straight or curved on plan exc 6 m mean radius, built in cement mortar 1:6 complete all as specified & directed by Engr-in-charge.

M&L Rendering 15mm thick on fair faces of brick work or concrete surfaces in cement mortar (1:4) finished fair and even without using extra cement complete all as per, specified & directed by Engr-in-charge.

M&L for PCC 1:3:6 type C-2 (using 40 mm gradded aggregate) as in foundation, filling and mass concrete etc complete all as specified & directed by Engr-in-charge.

M&L for cement concrete type B-2, 1:2:4, 75 mm thick (using 40 mm gradded aggregate) as in floors and paving etc complete all as specified & directed by Engr-in-charge.

S&F MS work of angles for post and struts of fencing around RMU/Transformer etc drilling holes, flat iron ,fillet for securing wire mess by welding to angle iron frame and framed work as in gate of angle and wire mess . Door to be fixed by 03 Nos 100mm long hinges and one sliding door bolt of 300mm long for locking arrangement and MS channel for plinth of transformer complete all as specified & directed by Engr-in-charge.

S&F 4mm dia MS wire 40x40mm mesh , made up into mattress or cages appx 2.00 mtr height and fixed with flate iron /angle by welding in position complete all as per, specified & directed by Engr-in-charge.

M&L for 2 coat of synthetic enamel painting over a coat of red oxide to steel surfaces including preparation of new surface complete all as specified & directed by Engr-in-charge

Note : contractor should procure and provide 50 % of the material as listed above within 15 days of the placing of work order and shall be verified by the Engr-in-charge

M/s JAIMAA ASSOCIATES (BID ID -3113331)

Microsys Controls India (BID ID -3112871)

Rajindera Enterprises (BID ID -3109895)

MV Engineers And Contractors (BID ID -3098001)

M P TYAGI ENGINEERS AND CONTRACTORS (BID ID -3108688)

M/s VINOD KUMAR SHARMA (BID ID -3113312)

Commercial Traders (BID ID -3111728)

Vijay Electricals (BID ID -3110334)

M/S VEDHANT ASSOCIATES (BID ID -3114022)