REPAIR/REPLACEMENT AND MAINT OF HT/LT NETWORK INCLUDING TRANSFORMERS, VCBs, RMUs AND OTHER RELATED WORKS AT ARTY CENTRE AND AOP AREA UNDER GE NASIK ROAD CAMP

Amount

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for taking out pipe line etc for repairs / laying cables etc and getting out in soft / loose soil complete all as specified and as directed by the Engineer - in - Charge.

All as per item No 01 above but more than 1.5 m and upto 2 m.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick complete all as specified and as directed by the Engineer - in - Charge.

Removal of excavated material [soil] to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and as directed by the Engineer - in - Charge.

Disconnecting & taking out cable LT 1100V grade any size complete all as specified.

Supply, fixing and laying in trenches or fixing or passing through pipe, 1100 Volts grade heavy duty LT UG cable, 2 core 6 Sqmm, with XLPE insulated stranded Aluminium conductor served with an inner sheathing of PVC tape, Armoured with galvanised steel wire and overall sheathed including cable gland, lugs, jointing material etc, jointing, connecting, testing and commissioning all as specified and directed.

All as per Ser item No 6 here in before but 4 Core 10 Sqmm

All as per Ser item No 6 here in before but 4 Core 16 Sqmm

All as per Ser item No 6 here in before but 4 Core 25 Sqmm

All as per Ser item No 6 here in before but 3.5 Core 50 Sqmm

All as per Ser item No 6 here in before but 3.5 Core 70 Sqmm

Supply, fixing and connecting in replacement of Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for cable of size 3 core 95 Sqmm XLPE armoured aluminium conductor complete all as specified and directed.

Supply, fixing and connecting in replacement of Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for cable of size 3 core 95 Sqmm XLPE armoured aluminium conductor complete all as specified and directed.

Supply, laying, jointing and testing in replacement 3 Core 95 Sqmm XLPE insulated, screened, PVC bedded galvanised steel strip armoured electric power cable (Heavy duty) with aluminium conductor, 11000 Volts grade laid in trenches, ducts, along pole, along Transformer complete all as specified and directed.

Supply, fixing and connecting in replacement of Cable jointing kit for 11 KV (Earthed) grade cable for straight through cold shrink type joint complete with jointing material and accessories suitable for cable of size 3 core 95 Sqmm XLPE armoured aluminium conductor complete all as specified and directed.

Material and labour for double walled corrugated (DWC) HDPE Pipe of outer dia 50mm and innter dia 38mm including 90 degree bends with coupler and rubber ring laid in trenches of size 50 mm suitable for cable protection of size 2 core 10 sqmm to 3.5 core 50 sqmm cable complete all as specified and directed.

Material and labour for double walled corrugated (DWC) HDPE Pipe of outer dia 90mm and innter dia 75mm including 90 degree bends with coupler and rubber ring laid in trenches of size 90 mm suitable for cable protection of size 70 sqmm to 185 sqmm cable complete all as specified and directed.

Supply, fixing and testing of in replacement of PVC weather proof, hinged door, junction box with, 415V, 3 phase aluminium bus bar of 200Amps, Neutral link and 1No MCB SP of 6 Amps, necessary fixing arrangement such as 32x5mm clamps, nut, bolts, etc including dismantling old unservieable junction box all as specified and directed. Make : Sintex, Cat No. GSJB 2014 or equivalent of Hensel/ National.

Dismantling of old steel pole / struts any type and size including demolition of concrete, foundation, necessary excavation and earth work and transportation etc.

Supply and errect in true vertical steel tubular swaged pole complete with MS Box plate 6 mm thick of size 300 x 300 mm finial taper plug, cap, bolt, nuts washers & screws as specified type 410-SP-55 (11 mtr long) Made out of ERW MS tubing confirming to IS-2713 Part II including drilling holes of required size for fixing cross arms etc painting with two coat of aluminium paint over a coat of red oxide primer.

Supply and errect in true vertical 7 mtr height mild steel octagonal pole top 70 mm, bottom 155 mm, surface finished: hot dip galvanised, 3 mm thikness with base plate 250x250x12 mm and GI 64 micron, M19x600 EN 8 grade foundaction bolt and 1 mtr arm for light fittings complete including excavation, earthwork and PCC foundation as per drawing provided by OEM.

Demolition of PCC of any description above/below ground level exceeding 15cm complete all as specified and directed by Engr-in-Charge.

M&L for PCC 1:4:8 type D2 using 40mm graded aggregate for pole / struts foundation etc all as specified and directed.

M&L for PCC 1:2:4 type C1 using 20mm graded aggregate for coping including necessary form work and fair finishing of exposed surface of concrete all as specified and directed.

Supply and fixing in replacement of cross arms. Bracings, support channel, backpate hooks etc fabricated from structural steel, sections (MS Channel) of required size and shape including nuts, bolts,washers, welding, bending , cutting cold or hot, drilling holes for inserting bolts as indicated and directed including painting with one coat of red oxide primer and two coats of silver aluminium paint complete all as specified and directed by Engr-in-Charge.

Taking down written shut down from concerned JE/AGE E/M for trimming of tree branches touching to the LT/HT over head line or near to the LT/HT over head line as per the direction of AGE E/M/JE incharge complete including removing the tree branches from site complete all as specified and directed by Engr in Chatge. Note :(i) Span from one pole to next pole (30 to 50 RM) will be considered as a one Job (ii) Any damage cause due to contractormen will be rectified without any extra payment. (ii) T & P such as ladder,rope,cutter,Axes and other related material will be provided by the contractor.

Material and Labour for replacement of jumper connection using ACSR conductor weasel, alkathine pipe, aluminium lugs, PG clamps, nuts, bolts etc. for complete 2 pole structure all as directed by Engineer-in-charge.

Supply and fix in replacement of Voltmeter 0-500 volt, 4 modules, complete with necessary fixing all as specified and as directed by Engineer-in-Charge. Make - Hager CP No SM500 or Legrand

Supply and fix in replacement of ammeter 0-250 amps, 4 modules, with CT operated complete with necessary fixing all as specified and as directed by Engineer-in-Charge.

Material and Labour for replacement of jumper connection using ACSR conductor weasel, alkathine pipe, aluminium lugs, PG clamps, nuts, bolts etc. for complete 4 pole structure all as directed by Engineer-in-charge.

Supply and fix in replacement of indicator lamp (Red, Yellow, Blue) complete all as specified and as directed by Engineer-in-Charge.

M & L in replacement of pole Earthing complete with galvanized steel earth plate electrode 60 cm X 60 cm X 6.3 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below normal ground level) with top edge of plate not less than 1.5 mtr below ground level connecting to the GI wire 4.0 mm dia, by means nut bolt, nuts, check nuts and washer of the GI Earth wire protected by provision of GI light grade pipe 15 mm, GI light grade 20 mm bore pipe for watering perforated at bottom 1.75 mtr long placed on top edge of earth plate, common salt and charcoal filling, taste point made out of phosphorus bronze with fixing arrangement, funnel, wire mesh and earth work in hard/dense soil, returning filling in and removal of surplus soil to a distance not exceeding than 50 mtr, all as per electric plate No 3 of SSR Part I 2009 and connection to earth test point all as specified incl testing on completion”. Note: These earthings shall be provided for poles; without provision of concrete earth pits.

Supply and fixing in replacement of RCC cable route marker/ indicator of size 0.30mtr x 0.15 mtr x 1.5 mtr complete including embossing "HT CABLE" and "LT CABLE", painting with one coat of primer and two coat oil paint as per colour coding specified by Engineer-in-Charge for exposed surface, excavation, PCC 1:2:4, etc included in this item rate complete all as specified and directed by Engineer-in-Charge.

Supply, install, testing and commissioning in replacement of outdoor type cubical panel board suitable for 3 phase 4 wire 415 Volt, 50 Hz and type tested at CPRI at 415 Volt factory fabricated in an approved factory having modern fabrication process powder coated in approved shard having thickness not less than 100 mircrons provided with suitable gasket to make it dust/vermin proof and general construction confirming to IS 8623793 comprising of the following:- OUTER SHELL : The outer shell shall be made out of 3.15mm thick CRCA Sheet and MS angle section 50x50x6mm frame, factory fabricated with front and back openable double door system locable / openable by keys from both side having chromium plated 19 mm dia fancy lock, louvers and air vent gasket for natural flow of air. The bottom of the outer shell contains a ditachable plate having provn for entry of armoured cable of adequate size with glands. The dimension of the shell should be adequate to accomodate inner shell described below giving minimum 75 mm space all round. Provision of threaded earthing stud at bottom & lifting lugs of suitable size at top to lift the panel safely shall be made. The degree of protection of outer shell shall be IP-54.

M & L in replacement Earthing complete with galvanized steel earth plate electrode 60 cm X 60 cm X 6.3 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below normal ground level) with top edge of plate not less than 1.5 mtr below ground level connecting to the GI strip 32 x 6mm, by means nut bolt, nuts, check nuts and washer of the GI Earth wire protected by provision of GI light grade pipe 40 mm incl provision of concrete pit in PCC (1:2:4) type B-1 using 20 mm graded stone aggregated with 40 mm thick cover with RCC (1:2:4) reinforced with XPM (weight not less than 4 Kg / Sqm) and frame of angle iron 25mm X 25 mm X 3mm with lugs 2 Nos and with 6 mm dia MS bar handle made to shape, GI light grade 20 mm bore pipe for watering perforated at bottom 1.75 mtr long placed on top edge of earth plate, common salt and charcoal filling, taste point made out of phosphorus bronze with fixing arrangement, funnel, wire mesh and earth work in hard/dense soil, returning filling in and removal of surplus soil to a distance not exceeding than 50 mtr, all as per electric plate No 3 of SSR Part I 2009 and connection to earth test point all as specified incl testing on completion”.

M& L for Boring of holes under road, pavement, hard standing by trenchless technology using ultra sound technique and necessary machine for LT underground cables suitable for 0.4 Mpa working pressure complete all as specified and directed.

M&L for overhauling GOD set by replacing stationary and moving contacts adjusting from ground level for smooth operation by replacing flexible copper strip, insulators, nuts, bolts, washer, GI pipe handle etc, all as directed by Engineer-in-charge. (Note- stationary moving contact, post insulator, GI pipe and handle shall be measured & paid separaletly).

Supply only GOD handle with locking strip and insulation sleeve complete all as specified and directed by Engr-in-Charge.

Supply only GI pipe 25 mm dia "medium grade" 6 metre in length complete all as specified and directed by Engr-in-Charge.

Supply only stationary and moving contact set for GOD complete all as specified and directed by Engr-in-Charge.

Supply and fixing in replacement of post insulator 11 KV for GOD complete all as specified and directed by Engr-in-Charge.

Material and labour for cleaning/clearing of vegitation around the installations and disposing off as directed by Engineer-in-Charge.

Supply, fixing, testing and commissioning in replacement of air break gang operated device, triple pole mechanically operated outdoor type, mounted on and including 11 KV H.T. porcelain insulators and steel channel frame, GI operating rod, 25mm dia of suitaale length with operating mechanism working from ground level, vertically operated including locking arrangement for operating handle, suitable for current rating upto 200 Amp, 11000 Volts working pressure all as specified and directed by Engr-in -Charge.

Supply and fix in replacement of dropout fuse unit explusion type for outdoor air break swirch (GOD) single pole, mounted on and including insulators for 11000 Volts working pressure fixed to and including MS channel with nuts, bolts, washers etc. synthetic bounded fuse carrying tube complete with line tabs and suitable for current carrying capacity upto 10-60 Amps only all as specified and directed.

Material and labour for stone aggregate 40mm graded spreading and leveling aroung 2 pole/ 4 pole structure where GOD installed including well ramming complete all as specified and directed by Engr-in-Charge.

M&L in replacement of Lightening arresters station class complete with all fittings, station class, discharge capacity 65 kilo amps, suitable for 11000 Volts all as directed by Engineer-in-charge.

M&L in replacement of Lightening arresters station class complete with all fittings, station class, discharge capacity 65 kilo amps, suitable for 33000 Volts all as directed by Engineer-in-charge.

Supply, fixing and commissioning in replacement of ACB 4 pole, 415 volts with thermal magnetic release (Manual drawout type) of capacity 800 Amps complete all as specified and directed by Engineer-in-Charge.

Material and labour required for locating fault in U/G HT cable by using fault detector machine including transportation and by carring out high voltage test all as directed by Engr-in-Charge.

M&L for disconnecting HT/LT conections of defective Transformer of any type/capacity, taking out with the help of crane and transporting transformer to factory for repair & back after repairing to site including connecting, HT/LT connection earth connecting leads, testing and commissioning at site all as directed by Engineer-in-Charge. Note : Rate quoted shall be inclusive of taking out and re-installing after repair of transformer with the help of crane, including transportation to workshop and back incluiding handling.

Supply and fixing in replacement of pin type, polymer insulator including one galvanised mild steel spindle two galvanised iron washers and one galvanised iron nut for 11000 volts grade complete all as specified and directed by Engr-in-Charge.

Supply and fixing in replacement of disc type insulator polymer type, 11 KV for 4 pole structure complete all as specified and directed by Engr-in-Charge.

M&L for repair to transformer pole mounted/plinth mounted of any capacity to stop the leakage of transformer by lifiting core assembley with the help of chain pully block/crane, removing transformer oil, replacing cork sheet gasket 5mm thick, reassembling the transformer completely refilling transformer oil, connecting HT/LT connection. (Note : Spares required shall be measured and paid separately under relevant item)

Material and Labour required for replacement of unserviceable nuts/ bolts/ washer all as directed by Engineer-in-charge

Material and labour for removing old silica gel, cleaning breather and filling new silica gel complete all as directed.

M&L for replacement of breather assembley with silica gel

S&F Porcelain bushing LV side 440Volt of required/adequate size and shape complete all as specified and directed by Engr-in Charge.

S&F in replacement of HT bushing porcelain, vitreous brown/green 11000 Volts grade suitable for any type of transformer all as directed by Engineer-in-Charge.

S & F HV rod brass, 12mm dia with brass nut 2 Nos and rubber bush 300mm long all as directed by Engineer-in-Charge.

S & F LV rod brass 15mm dia, 300mm long with rubber bushing and brass nuts 2 Nos all as directed by Engineer-in-Charge.

S & F LV rod brass 20mm dia 300mm long with rubber bushing and brass nuts 2 Nos all as directed by Engineer-in-Charge.

M&L for replacement of drain valve 25 mm dia

M&L for replacement of drain valve 40 mm dia

M&L for replacement of drain valve 50 mm dia

M&L for Servicing /Repair to HT Pannel of having vaccum circuit breaker 11 KV rating of capacity current rating upto 400 Amps to 600 Amps of any make & type, servicing of VCB by cleaning contacts moving parts removing dust particles from spout gear mechanisum and moving parts repairs to motor, change spring mechanisum tightening of nuts & bolts of entire trolly components all as directed inserting in trolly, testing, commissioning putting on the supply on load complete all as specified and directed and scope of work incudes following :- (a) Inspection and cleaning breaker mechnisum assembly & check proper operation and repair work.. (b) Servicing & overhauling for proper operation of door interlock, interlocking plates and shutter assembly inside of panel.permissible limits, readjust as recommended. (c) Check the mechanical on/off function, electrical & mechanical operation & damaged part of VCB. (d) Re-greasing with jelly of breaker mechanisum, adjustment of various mechanisum, setting as required, checking contact tightness, contact erosion pins, manually vaccume check of VCB. (e) Racking-Rack out operation in test and service position of VCB trolly . Megger Test (IR Value- 1KV/2.5KV) E-RYB, RY-YB, BR-R'R, Y'Y, B'B. (g) CRM Test(Contact Resistance) of Vacume Interupter RYB in On condition out side of panel. (h) Time test of contact pole by test kit (in mili seconds).

Item No 66 Contd/-- (j) Function of closing coil, trip coil, spring charging motor, auxilliary contact, limit switch etc. (k) Checking and lubrication of various interlocks. (l) Removing all the moisture content inside the VCB panel all as specified by OEM. (m) After servicing test report shall be furnished in standard format approved by E-in-C. Note :- (i) The cost of minor parts ie nuts ,bolts,spring washers,dust cover ring of isolarors contacts,clips pins for release prop,Y phase shrouded over side stop pin,and all other minor parts ie packing essentially required to make the panel dust proof shall be deemed to be included in the rate quoted by the contractor . (ii) The servicing will be carried as per norms of OEM. (iii) The periodicity for carrying out the preventive maintenance as per the scope included in the above item shall be Three Months. Unit of the payment for carrying out each of the periodic check and maintenance at interval of Three Months shall be consider as each.

S&F in replacement digital multifunction meter 4" x 4" size suitable for panel board mounting, 11 KV Make : L&T Cat Part No WDM303FDWA1/ Conzerv DM 3251.

S&F bus bar stud support insulator 11 KV epoxy type suitable for VCB Panel.

S&F and connect in replacement current transformer, resin cast body indoor type of current ratio 100 / 50 / 5 A, 15 VA, Class IL,17.2/20/60 KVP HSV 7.2KV, 50 Hz.

M&L for testing and commissioning of current transformer and calibration of 33 KV HT control relay for overcurrent and earth fault protection by primary and secondary ejections method and submitting test report duly signed by Engineer in Charge.

M&L for testing and commissioning of current transformer and calibration of 11 KV HT control relay for overcurrent and earth fault protection by primary and secondary ejections method and submitting test report duly signed by Engineer in Charge.

M&L for attending emergency breakdown for 33 KV VCB of any capacity as and when ordered by Engr-in-Charge, including servicing, adjusting & fault finding & rectifying the fault by skilled Engr & testing the unit complete & submitting test report all as specified and as directed:- (a) Inspection and cleaning breaker mechanism assembly & check proper operation and repair work.. (b) Servicing & overhauling for proper operation of door interlock, interlocking plates and shutter assembly inside of panel.permissible limits, re-adjust as recommended. (c) Check the mechanical on/off function, electrical & mechanical operation & damaged part of VCB. (d) Re-greasing with jelly of breaker mechanisum, adjustment of various mechanisum, setting as required, checking contact tightness, contact erosion pins, manually vaccume check of VCB. (e)Racking-Rack out operation in test and service position of VCB trolly (f) Megger Test (IR Value- 1KV/2.5KV) E-RYB, RY-YB, BR-R'R, Y'Y, B'B. (g) CRM Test(Contact Resistance) of Vacume Interupter RYB in On condition out side of panel. (h) Time test of contact pole by test kit (in mili seconds). Function of closing coil, trip coil, spring charging motor, auxilliary contact, limit switch etc. (j) Checking and lubrication of various interlocks. (k) Removing all the moisture content inside the VCB panel all as specified by OEM. (l) After servicing test report shall be furnished in standard format approved by Engineer-in-Charge.

MAHIMA CONSTRUCTION

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M/S SVOJAS ELECTROMECH ENTERPRISES

NARMARAJ ELECTRICALS