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| 1 | Supply, installation, commissioning and testing of Transformer capacity 250 KVA, 11/0.433KV 3phase 50Hz ONAN cooled oil immersed copper woundoutdoor type, step down Transformer complete with first filling ofIS 335 ISI markedfiltered and dehydratedtransformer oil and other standard fittings/accessories and 7 position with OFF LOAD tap changer tapping rangeup to + 5% to -10% in step of2.5%BEE compliance level III.The Transformer shall be of DYN -11 vector group and conforming to Latest IS-1180 all as specified and directed. The transformer shall have following accessories :- |
| 2 | (a) Oil Conservator with filling hole and drain cock.(b) Oil Level Gauge. (C) Oil seal type transparent breather with silica gel.(d) Two numbers earthing terminals with lugs. (e) Oil drain Valve/filter valve(f) Radiators with valves. (g) Lifting lugs with fastening holes.(h) Thermometer dial type 0-120 0C.(j) rating & Specification plate.(k) 4 Nos plain cast steel bi-directional detachable rollers.(l) Explosion vent with diaphragm & sight glass. (m) transformers must have its neutral brought out for earthing on LV side. (n) Transformers must be earthed by two independent earthings with GI Strips for body and another two independent earths for neutral. Neutral earthing of transformers should be done by using GI earth plate and GI earth strip.(o) Transformer Shall be installed as described in IS-10028 (Part-II and in conforming with IE rule.NOTE: - (i) Design, drawings, Technical specifications shall be approved by the Garrison Engineer.(ii) Transformer shall be tested by rep of accepting officer at factory premises before despatch and test report shall be submitted accordingly. |
| 3 | Supply, installation, commissioning and testing of 200 KVA capacity servo controlled voltage stabilizer confirming to BIS-9815 (Part-1) (1994), reaffirmation 2019 latest version) three phase, four wire(RYBN), 50 Hz, naturally oil cooled, indoor type, unbalanced type, copper wound, metallic body duly powder coated with lifting hooks two Nos., with digital display type, relay free(microprocessor based) smooth and silent operation with 1st filling of transformer oil up to required level comprising of the following specifications complete all as specified and directed: - (a) Capacity 200 KVA (b) Type - Suitable for unbalanced load and unbalanced input(c) Input voltage -360 to 480 Volts, Input frequency 50 Hz.(d) Output voltage stabilized at any deigned/desired voltage 415/+ 1% (e) Rated frequency- 50 Hz(f)Wave form distortion - Nil (g) Response time - not to exceed 20 mili second(h) Sensitivity - (+/-) 1%(j) Rate of correction - Not less than 6 volt/second between phase and neutral(k) Efficiency - more than 95%(l) Type of load - three phase, unbalanced type(m)Metering - Digital display voltmeter/ Ammeter with multi- functional meter (n) Operating Temperature-For indoor use upto max ambient temp + 55 degree centigrade.(o) Dimmer rating - 350 Amp (p) Dimension of tank - 1800mmX1200mmX1600mm |
| 4 | (q) Oil capacity - (r) Class of insulation - Class F (s) Mode of operation Automatic/manual(t) Winding Temperature rise - Max 55 degree celsius (10 degree celsius above operating temp) (u) Transformer oil - IS 335 marked(v) Core - CRGO m$ Grade/CRNO (Cold Roll Grain Oriented)/Cold Rolled Non-Oriented)(w) Auto transformer (variac) - 100 percent copper wound electrolytic Grade(x) Losses - As per IS norms (y) Power factor - Not less than 0.95 (z) Protection :- (i)Over load protection(ii) Short circuit protection (iii) High/Low voltage cut off (iv) By pass arrangement in case of Emergency (v)Single phase sequence change /phase fail protection (vi) Earth fault protection (aa)Stranded fitting & accessories e.g. Marking plate, lifting lugs, CI Roller, Earthing Terminals etc cable box NOTE: - Design, drawings, Technical specifications shall be approved by the Garrison Engineer. |
| 5 | M&L for earthing complete with galvanised steel earth plate electrode 60 cm x60 cm x6 mm thick buried directly in ground (earth pit not less than 2.5 mtr below normal ground level ) with top edge of earth plate not less than 1.5 mtr below normal ground level connected to main earth lead GI strip 32x 6mm as earth lead by means of bolts ,nuts,checknuts and washers of galvanised iron or steel as shown in electrical plate No. 3, including exc , and earth work in any type of soil disposal of soil providing alternate layers of charcoal and common salt construction of PCC earth chamber in mix 1:3:6 type C-1 with 40 mm thick 1:2:4 type B-1 cover reinforced with 8 mm dia MS bars both ways with lift hook made out of 8 mm dia bar,watering arrangement. Note : Main earth lead beyond 7.5 meter shall bemeasured and paid separately. Taking down of old unserviceable dilapidated chemical earthing are included in quoted rate. |
| 6 | Supply and laying in trenches / ducts, passing through pipe / fixing on poles 1100 volts grade, ISI marked of size 240 Sq.mm 3.5 core, LT cable (heavy duty), XLPE insulated served with an inner sheathing of PVC tape armoured with galvanized steel wire or tape and over all PVC sheathed with stranded aluminium conductor cable including commissioning and testing complete all as specified and directed.Note: (i) Necessary test results like continuity test, megger tests shall be submitted to Engineer-in-Charge before the cable is laid.(ii) Excavation & earth work will be measured and paid separately. |
| 7 | All as per Item No. 4 herein before but cable of size 185 sqmm, 3.5 core complete all as specified and directed. |
| 8 | All as per Item No. 4 herein before but cable of size 150 sqmm, 3.5 core complete all as specified and directed. |
| 9 | All as per Item No. 4 herein before but cable of size 120 sqmm, 3.5 core complete all as specified and directed. |
| 10 | All as per Item No. 4 herein before but cable of size 95 sqmm, 3.5 core complete all as specified and directed. |
| 11 | All as per Item No. 4 herein before but cable of size 70 sqmm, 3.5 core complete all as specified and directed. |
| 12 | All as per Item No. 4 herein before but cable of size 50 sqmm, 3.5 core complete all as specified and directed. |
| 13 | All as per Item No. 4 herein before but cable of size 35 sqmm, 3.5 core complete all as specified and directed. |
| 14 | All as per Item No. 4 herein before but cable of size 25 sqmm, 4 core complete all as specified and directed. |
| 15 | Excavation intrenches in any type of soil not exceeding 1.5 mtrdeep and not exceeding 1.5 mtrwide for laying of cables, RCC poles/stays and struts etc or /getting outcable cover and stacking for reuse/ credit , trimming sides and forming bottom surface all as specified and directed at site. |
| 16 | Returning, filling in including spreading, levelling, watering and well ramming in layers not exc 25 cm in soft/loose soilcomplete all as specified and directed. |
| 17 | Removing surplus excavated soil n exc 50 mtr and depositing where directed at a level n-exc 1.5 mtr above the starting point complete all as specified and directed. |
| 18 | M&L for dry sand cushioning to underground cables with 8 cm thick before laying of cables and 15 CM thick after laying and stretching of Cablecomplete all as specified and directed.Note : Only punned thickness i.e. 18 CM shall be measured and paid. |
| 19 | M & L for sub class \"B\" brick for covering to under ground cable laid flat transversally width equal to the length of the cable complete all as specified and directed. |
| 20 | Design, supply, erection, testing and commissioning of outdoor type LT Panel of overall size not less than 1800 (W) X1200 (Ht)(Without Canopy & Base channel) x 450 mm Depth, M.S. Channel Base Frame mounted (to be mounted on the 3 side covered brick. pedestal of height 450 mm above ground level) , suitable for 3 phase 4 wire, 415 volts AC supply and having 4 NosAluminium bus bars of rating 600 amps insulated , Provision of Spreader link to both incoming and outgoingside ofMCCBsfor termination of cablesthe LT panel shall be duly fabricated in a approved fabrication house who possessestype test certificate from CPRI for similar type of LT panel andhaving modern fabrication and testing facility which includes atleast seven (07) tanks pre-treatment facility comprising of de-greasing, rinsing, de-rusting, rinsing, phosphating, rinsing and passivation followed by powder coated painting (thickness not less than 80 Micron) with approved shade of RAL 7032 (SIEMENS GRAY). |
| 21 | The LT Panel shall be provided with suitable rubber gasket to make it completely dust and vermin proof and degree of protection shall not be less than IP-54 and general construction conforming to IS-13947. The LT Panel shall be made out of 3.15 mm thick CRCA mild steel sheet and 3.15 mm thick gland plate and having compartmentalized construction for individual switchgears and Bus Bars and having front opening facility (with double layer shutter) and rear opening facility with double layer shutter with locking facility and 2 side slanting canopy type roof on top and mild steel channel (MC-75) base frame at bottom, suitable for mounting on the brick pedestal through grouting bolt. The panel board shall be provided with ventilation facility in the form of louvers for better heat dissipation. The LT Panel shall be comprising of the following: - |
| 22 | PROVISION FOR CABLE ENTRY :- The provision for cable entry / exit shall be provided from the bottom for both incoming and outgoing cables through and including cable gland made of Brass.CONTROL WIRING :- All control wirings shall have to be carried out with 1100 volts rated FRLS grade PVC insulated (Gray Colour) multi-flexible type copper wire of cross sectional area 1.50 Sq mm and shall be properly bunched,tied and dressed, ferrule marked for proper identification and crimped with suitable size & type of tinned copper lugs and shall be wrapped with PVC spring type flexible pipes near the door hinges. |
| 23 | INCOMING :- (i) S & F 4 pole MCCB (with panel mounted rotary handle) having breaking capacity of 36 KA, fixed magnetic and fixed thermal setting (100% - 80%) of rating 400 Ampere- 01 No.(ii)Onload change over switch 415 volt in sheet metal enclosure, 4 pole of capacity 250 amp- 1 NoOUTGOING :-(i) S & F MCCB 4 pole having breaking capacity 25 KA,fixed magnetic and fixed thermal setting (100% - 80%) 50 Hz of rating 200 Amp-01 No. . (ii) S & F MCCB 4 pole having breaking capacity 25 KA, fixed magnetic and fixed thermal setting (100% - 80%) 50 Hz of rating 100 Amp-03 No. (iii) S & F MCCB 4 pole having breaking capacity 16 KA,fixed magnetic and fixed thermal setting (100% - 80%) 50 Hz of rating 63 Amp-02 No. MISCELLANEOUS ITEMS :- (a) SP MCB 6 Amps 10 KA (For Control Wiring) - 01 No. Make : LEGRAND /SCHNEIDER / ABBINSTRUMENTATION SYSTEM :-LED Phase Indicating light, shrouded type, 22mm, with cluster LED- 01 set of 3 lamps (RED,YELLOW & BLUE)Digital Multifunction meter - 01 No.C.T having Ratio 300/5, resin cast, - 03 Nos. |
| 24 | Supply, install, commissioning and testing of Transformer of capacity 400 KVA, 11/0.433KV 3phase 50Hz ONAN cooled oil immersed copper woundoutdoor type, , step down Transformer complete with first filling ofIS 335 ISI markedfiltered and dehydratedtransformer oil and other standard fittings/accessories and 7 position with OFF LOAD tap changer tapping rangeup to + 5% to -10% in step of2.5 %BEE compliance level III.The Transformer shall be of DYN -11 vector group and conforming to Latest IS-1180 all as specified and directed. The transformer shall have following accessories :- |
| 25 | (a) Oil Conservator with filling hole and drain cock.(b) Oil Level Gauge. ( C ) Oil seal type transparent breather with silica gel.(d) Two numbers earthing terminals with lugs. (e) Oil drain Valve/filter valve(f) Radiators with valves. (g) Lifting lugs with fastening holes.(h) Thermometer dial type 0-120 degree C.(j) rating & Specification plate.(k) 4 Nos plain cast steel bi-directional detachable rollers.(l) Explosion vent with diaphragm & sight glass. (m) transformers must have its neutral brought out for earthing on LV side. (n) Transformers must be earthed by two independent earthings with GI Strips for body and another two independent earths for neutral. Neutral earthing of transformers should be done by using GI earth plate and GI earth strip.(o ) Transformer Shall be installed as described in IS-10028 (Part-II and in conforming with IE rule. |
| 26 | Supply, install, commissioning and testing of Transformer ofcapacity 160 KVA, 11/0.433KV 3phase 50Hz ONAN cooled oil immersed copper woundoutdoor type, , step down Transformer complete with first filling ofIS 335 ISI markedfiltered and dehydratedtransformer oil and other standard fittings/accessories and 7 position with OFF LOAD tap changer tapping rangeup to + 5% to -10% in step of2.5 %BEE compliance level III.The Transformer shall be of DYN -11 vector group and conforming to Latest IS-1180 all as specified and directed. The transformer shall have following accessories :- |
| 27 | (a) Oil Conservator with filling hole and drain cock.(b) Oil Level Gauge. ( C ) Oil seal type transparent breather with silica gel.(d) Two numbers earthing terminals with lugs. (e) Oil drain Valve/filter valve(f) Radiators with valves. (g) Lifting lugs with fastening holes.(h) Thermometer dial type 0-120 degree C.(j) rating & Specification plate.(k) 4 Nos plain cast steel bi-directional detachable rollers.(l) Explosion vent with diaphragm & sight glass. (m) tranformers must have its neutral brought out for earthing on LV side. (n) Transformers must be earthed by two independent earthings with GI Strips for body and another two independent earths for neutral. Neutral earthing of transformers should be done by using GI earth plate and GI earth strip.(o ) Transformer Shall be installed as described in IS-10028 (Part-II and in conforming with IE rule.NOTE for Srl item No 19 & 20 :-(i)Design, drawings, Technical specifications shall be approved by the Garrison Engineer.(ii)Transformer shall be tested by rep of Accepting Officer before despatch from factory premises. |
| 28 | M & L for earth continuity conductor or main Galvanised Iron strip of size 32x6 mmburried in ground, fixed to wall, any other indicated situation for loop earthing and the like upto test point on necessaryinsulators and fastning screws, rawl plugs complete all as specified and directed.NOTE: - The joints of each lead strip shall be welded / brazed and the cost of brazing / welding shall deemed to be included in unit rate of this item. |
| 29 | M & L for test point terminal block made of gun metal or phosphorus bronze size (75x75x25)mm drilled and screwed including 3 nos. 8mm dia 25mm long hex head screws for holding the bronze plate including fastening/ bolting the roof down conductor and earth electrode over the bronze plate with copper bolts & nuts of suitable size, providing 10mm thick fibre sheet of size (15x15) cm below the test point to avoid direct contact with wall including enclosing the test point with 1.6mm thick MS sheet front openable box duly painted complete all as specified and as directed. |
| 30 | S & F of100 mm dia of GI tubing, light grade with all fittings including fixing arrangement with screws, clamps on insulator for protection of Aluminium/copper earth strip from ground level to test point or looping on floor/wall including taking out unserviceable one complete all as specified and directed. |
| 31 | Material & labour for brick masonry platform of size 2..00 x 2.00 x1.10 m (above G.L) , for installation of transformer brick masonary built in CM (1:6) above ground level 150 mm thick RCC (1:5:10) type E2 in foundation having projection of 150 mm on both side of wall 300 mm Brick masonary brought to course in CM (1:6), 1.10 m depth below GL platform shall be 1 m above GL.Brick masonry shall be pointed with fluse pointing in CM (1:3) floor shall be of 50 mm thick RCC(1:2:4) type B1 laid over 100 mm thick hard core cover approved earth and including chain link fencing and steel gate as per relevant typical drawing complete all as specified and directed. |
| 32 | Supply, laying, jointing and testing ofHT cable XLPE insulated, screened, PVC bedded, galvanized steel strip, armoured aluminum stranded conductor under ground electric cable 11000 volt (Earthed) grade, cross sectional area 95 Sqmm 3 core, laid in trenches/through pipe /poles etc.complete all as specified and directed. |
| 33 | Supply and laying reinforced precast concrete cable cover, class HV type 1 flat size 300mm x 180 mm x 40 mm complete all as specified and directed |
| 34 | Supply, installation , testing and commissioning factory made LT feeder pillar box outdoor type platform mounted of size 1000x12000x4500mm suitable for 415 Volts 3 phase 4 wire system 50Hz supply having aluminum bus bar 500 Amps for phases and neutral, installed on porcelain / epoxy insulator. the panel shall be dust proof, vermin proof (IP54) and applying spray paintingwith two coats of synthetic enameled paint over a coat of red oxide primer on sheet and made of out of 3.15 mm thick CRCA sheet self moulded type and 55x50x6 mm angle iron frame front and rear opening with double shutter and locking arrangementwith 50mm lock and including grouting of panel with necessary PCC 1:2:4 type B-1 work complete all as specified.The scope of work includes provision of housing the following accessories:- |
| 35 | Incoming :- |
| 36 | MCCB 320 Amp with 4 pole, 36 KA -01 No. |
| 37 | Volt meter 0-500 Volts,Square flush pattern,digital type -01 No. |
| 38 | Amp meter square flush pattern 0-400 Amps digital type-01 No. |
| 39 | Indicating lamp LED type one set in incoming phases. |
| 40 | Internal wiring with PVC insulated copper conductor multi stranded cable 1100 volts grade IS 694 marked . |
| 41 | Outgoing :- |
| 42 | MCCB 250 Amp, 4 pole, 25 KA 415 volts -01 No. |
| 43 | MCCB 200 Amp, 4 pole, 25 KA 415 volts -02 No. |
| 44 | Supply, installation , testing and commissioning offactory made LT feeder pillar box outdoor type platform mounted of size 1000x12000x4500mm suitable for 415 Volts 3 phase 4 wire system 50Hz supply having aluminum bus bar 500 Amps for phases and neutral, installed on porcelain / epoxy insulator. The panel shall be dust proof, vermin proof (IP54) and applying spray paintingwith two coats of synthetic enameled paint over a coat of red oxide primer on sheet and made of out of 3.15 mm thick CRCA sheet self moulded type and 55x50x6 mm angle iron frame front and rear opening with double shutter and locking arrangementwith 50mm lock and including grouting of panel with necessary PCC 1:2:4 type B-1 work complete all as specified.The scope of work includes provision of housing the following accessories:- |
| 45 | Incoming :- |
| 46 | MCCB 320 Amp with 4 pole, 36 KA -01 No. |
| 47 | Volt meter 0-500 Volts,Square flush pattern,digital type -01 No. |
| 48 | Amp meter square flush pattern 0-400 Amps digital type-01 No. |
| 49 | Indicating lamp LED type one set in incoming phases. |
| 50 | Internal wiring with PVC insulated copper conductor multi stranded cable 1100 volts grade IS 694 marked . |
| 51 | Outgoing :- |
| 52 | MCCB 100 Amp, 4 pole, 25 KA 415 volts -05 No. |
| 53 | MCCB 63 Amp, 4 pole, 25 KA 415 volts -01 No. |
