REPAIR/ MAINT OF TRANSFORMER, HT CABLE, VCB, ACB, 4 POLE STRUCTURE PANELS AND CONNECTED E/M ITEMS AT EST NO 22 AREA OF AGE (I) CHAKRATA UNDER HQ CWE DEHRADUN

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth and getting out excavated soil/sand/unseviceable LT Cable for laying of cable and getting out in soft/loose soil complete all as specified and directed.

Excavation in trenches n exc 1.5 metre wide and exceeding 1.5 m but not exceeding 3.0m deep including forming bottom surface for laying UG cable, foundation for poles etc and getting out in hard/dense soil complete all as specified and directed.

Returning filling in including spreading levelling watering and well ramming in layer not exceeding 25 cm thick complete all as specified and directed.

Removing excavated material to a distance n.exc 50 m and depositing where directed at a level n exc 1.5 metre above the starting point complete all as specified and directed.

M & L for cutting of hard surface as in road, pavement etc for laying of cables, pipes etc of any size up to approximate width of 45 cm and depth 60 cm, returning filling and making good to surface with PCC 1:3:6 type C-2, after laying of cable, pipe etc as required complete all as specified and directed.

Supply and laying of DWC pipe Outer dia of 90 mm and inner dia 76 mm (double Wall corrugated) HDPE polyethiline pipe ISI marked including couplers, bends, cap etc. with smooth internal and profiled external surface for non pressure under ground cable complete all as specified and directed.

All as per item No. 6 above but Outer dia of 120 mm and inner dia 103.5 mm

All as per item No. 6 above but DWC 63 sqmm dia (OD) size

Taking out of HT cable 95 to185 Sqmm 3 core of any size from ground or poles etc and testing for serviceability and kept aside for reuse incl proper rolling, loading, unloading, transportation etc complete all as specified and directed. Note:- Earth work for the same shall be measured and paid separately.

Relaying only of existing serviceable cable 95 to185 Sqmm 3 core in ground retrieved against here and before including unrolling, unloading, transportation etc testing connections complete all as specified and directed.

Supply, laying, connecting and testing XLPE HT UG insulated (Earthed) screened, PVC bedded, galvanised steel strip armoured, electric power cables (heavyduty) with stranded aluminium conductor, 11000 volts grade, cross sectional area 95 sqmm, 3 core conforming to IS-7908(Part-I)1988, laid in trenches/down through pipe fixed to walls/poles or laid under roads/drains/path/culverts complete all as specified and directed. (Note : Excavation & earth work, sand, cable protection shall be measured and paid seperately).

All as per item No 11 above but 120 Sqmm 3 core.

All as per item No 11 above but 185 Sqmm 3 core

Supplying, laying, jointing and testing LT under ground cable, heavy duty of size 10 Sqmm 4 Core, 1100 Volts, XLPE insulated and PVC sheathed, armoured, multi-stranded aluminium conductor cable conforming to IS , laid in trenches / ducts or fixed to poles / walls or laid under roads / paths / drains / culverts duly protected in galvanised steel pipe of suitable sizes all bare conductor of cable including cable gland and lugs etc at both ends incl disconnecting and taking out unserviceable damaged cable of any size and type complete all as specified and directed. Note : Excavation, earth work, cable sand cushioning & cable protection shall be measured and paid separately under relevant items of this schedule.

All as per item No14 above but 120 Sqmm 3.5 Core

All as per item No 14 above but 240 Sqmm 3.5 Core

All as per item No 14 above but 185 Sqmm 3.5 Core

All as per item No 14 above but 300 Sqmm 3.5 Core

M&L for wiring for circuit/submain alongwith earth wire with FR PVC insulated copper conductor, single core cable as required 2x1.5 sqmm + 1x1.5 sqmm, from pole terminal box to light fitting on pole surface in & including steel conduit & neccessary steel clamp complete all as specified and directed.

M&L for GI steel tubing medium grade of 80 mm dia for cable protection, passing under road/floor or for fixing to poles/walls complete all as specified and directed.

SF LED street light fitting 35 Watt 230 V AC outdoor type with high pressure die cast aluminum hosing and heat resistant complete with driver, lamp bracket with impact and corrosion resistant including thermal management in multiple optics complete with IP 65/66 protection complete all as specified and directed.

Supply and Install in replacement steel tubular swaged poles type 410 SP 31, (9.0 Mtr long)l conform to IS 2713 (Parts 1 to 3) 1980. A through hole of 14 mm diameter shall be provided in each pole at a height of 300 mm above the planting depth for earthing arrangements, finials and base plate shall be of cast iron and conform to the details given in fig. 3 and 4 of the Standard (I.S. 2713 Part 1 to 3-1980). Protection against corrosion The poles shall be coated with two coasts of black bituminous paint throughout internally and externally up to the planting depth. The remaining, portion of the exterior shall be painted with one coat of red oxide primer complete with CI base plate and finial taper plug, bolts, nuts & screws complete all as specified and directed.

M & L for PCC 1:2:4 type B-1 using 20mm graded stone aggregate as in coping to pole including necessary form work with fair finished surface complete all as specified and directed.

M & L for PCC 1 : 4 : 8 type D-2 using 40 mm graded stone aggregate as in foundation of poles etc, filling and mass concrete complete all as specified and directed.

S&F LT junction box for street light, sheet moulding compound (SMC) type with hinged type door and locking arrangement, off white colour, of size 300 x 200 x 105mm (internal) comprising of suitable size Aluminium busbar 3 rows with terminals,1 No bakelite base neutral link and 01 No earthing terminal bolt and nut and connecting up cables with aluminium terminal lugs complete all as specified and directed.

Supply, installation, testing and commissioning of automatic street light control system of 25A suitable for automatic switching of Street lights of 240V, 50Hz, Controller shall have following function -(a) Controller shall be automatically switch on/off the street lights as programmed time setting and astro function. Following Components shall be fitted in a enclosure, wired and programmed for complete function. 1 No. 25A, 4 pole MCB in thermal magnetic release for overload and shortcircuit protection. 1Nos 3 position (auto - off- manual) 25A, 4 pole modular type contactors. Phase indication Lamps R+Y+B 230/400V, Astonomical time switch of Switching Capacity 16A, ohmic 250V AC, at PF-1, having minimum running reserve 5 years/43800 hours and clock precision 0.1sec./day, having facility of location programing by city name or geographical coordinates , offset time + /- 120 minute relative to sunrise/sunset.

M & L for earthing complete with galvanized steel earth plate electrode of 60 cm x 60 cm x 6mm thick buried directly in ground [earth pit not less than 2.25 metre deep below normal ground level] with top edge of the plate not less than 1.5 m below normal ground level, connected to galvanized iron earth strip 32x6mm by means of bolts, nuts, check nuts and washers of galvanized iron or steel all as shown in electrical plate No. 3 of MES SSR Part I all as specified and testing on completion including provision of earth lead protected by 50 mm dia light grade GI pipe & watering pipe shall be 20 mm bore medium grade GI pipe including all excavation and earth work, PCC pit with RCC cover, char coal, salt, funnel etc complete. Note:- Rate quoted by tenderers shall be deemed to include for following provisions-[i]. Excavation & earth work in any type of soil including removing of surplus material upto 50 m. [ii].PCC 1:3:6 type C1 using 20mm graded stone aggregate in pit & 40mm thick precast RCC 1:2:4 type B1 cover 50x50 cm with 8mm TMT bars @ 10 cm C/C both ways with handles.[iii]. Main earthing lead from earth electrode to test point upto 7.5 mtr.[iv]. Funnel with watering pipe [GI pipe] 20mm bore medium grade and charcoal & salt around earth plate in alternate layers of 15 cm [v]. GI protection pipe of size 50 mm bore light grade upto 7.5 m.

M&L for Earthing complete with galvanized iron earth plate electrode 600 mm x 600 mm x 6 mm thick burried directly in ground (earth pit not less than 2.25 metres deep below normal ground level) vertically, with top edge of plate not less than 1.5 metre below normal ground level connected to galvanised iron earth lead wire 4 mm dia by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No 3 of MES Schedule Part-I connecting to earthing test point & to main switch board and testing on completion with and including necessary excavation and earth work in any type soil, earth lead connected to earth test point & to main switch board etc. GI medium grade watering pipe 20 mm dia with funnel and wire mesh and 15mm dia GI light grade earth lead protection pipe etc complete all as specified and directed. Note: (i) Earth lead wire and its protection pipe upto and including 7.5 mtr from the top of earth electrode are included under this item. (ii) Any joints in earth lead from earth electrode to test point shall not be allowed/permitted.

M & L for cable end jointing kit for 11 KV (earthed) grade cable for indoor termination heat shrinkable type joint complete with jointing material suitable for 3 core XLPE armoured aluminium conductor cable of 95 to 185 sqmm incl testing after jointing complete all as specified & directed.

M & L for cable end jointing kit for 11 KV (earthed) grade cable for outdoor termination heat shrinkable type joint complete with jointing material and suitable for 3 core XLPE armoured aluminium conductor cable of 95 to 185 sqmm including testing after jointing complete all as specified & directed.

M & L for straight through cable jointing kit for 11 KV (earthed) grade cable for outdoor termination heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of 95 to 185 sqmm including testing after jointing complete all as specified & directed.

M & L for transformer cable boxes or LT panel board cover/panel doors etc made out of 3.0 mm CRCA sheet duly powder coated complete to make the system safe and secure complete including making hole nut bolts washer etc all as per site requirement complete all as specified and directed.

M & L for fault detection in UG HT cable of any size or type at any depth with fault locator including material T&P required for the same and testing complete all as specified and directed. Note :- 1. Joint, excavation laying only of cable shall be measured and paid separately. 2. Each fault shall be treated as one job and contractor have to address the said fault immediately.

Servicing, cleaning, testing and commissioning of CSS transformer capacity 250 to 400 KVA type, 11 KV/433 Volts 3 phase from pole/floor/transformer shed with the help of Crane to carry out complete maint of transformer PSS servicing and testing are as follows (a) Visual inspection for any abnormalities (b) Electrical control & power loose connection tightness (c) Function checks of complete RMU for electrical & manual operations . (d) electricals as well as mechanical interlocking. (e) interlocking of cable compartment doors (f) Performance of VOLTAGE PRESENECE INDICATING SYSTEM either its working or not (g) CT/PT/TVM etc (h) Power pack/battery/battery charger performance (j) cable entry point sealing whether any foreign particles like lizard, rat or snake entry inside of RMU or they can come in contact with live parts (k) cable termination as per OEM guidelines(DOS & DONTS) (l) RMU for any type of rusting (m) any type of abnormal sound- Hissing, chattering. (m) Visual inspection for any abnormalities (n) Checking of any slow developing faults (o) Looseness of any control wiring (p) Testing - i. Insulation resistance test , ii. Voltage ratio test, iii. Magnetization current test, iv. Magnetic balance test , v. Vector group test, (q) RMU - contact resistance measurement. vii. Hi voltage test, viii. Relay and and CT test, ix. (r) ACB servicing cleaning of ARC CHUTE checking of contact pressure with the help of carbon paper, Contact resistance measurement ,Insulation resistance measurement , Hi voltage test. (s) Performance of door of transformer compartment either HT breaker is tripping during opening of these doors or not (t) Checking of pressure of SF6 gas (u) Checking of physical condition of HT bushing and cable termination (v) Checking of complete earthing system of PSS

Servicing, cleaning, testing of VCB 11/12KV, 400 /630 Amps complete Visual Inspection for any abnormalities,Electrical control & power loose connection tightness,Function checks of complete for electrical & manual operations, Checking electricals as well as mechanical interlocking, Checking interlocking of cable compartment doors, Checking performance of vacuum bottle, Checking rack in rack out of breaker, Checking CT/PT/TVM, Checking opening & closing of breaker & LV compartment doors, Performance of VOLTAGE PRESENECE INDICATING SYSTEM either its working or not, Power pack/battery/battery charger performance,cable entry point sealing whether any foreign particles like lizard, rat or snake entry inside of RMU or they can come in contact with live parts, Cable termination as per OEM guidelines(DOS & DONTS), VCB panel for any type of rusting, Any type of abnormal sound- Hissing, chattering, Checking for space heater & thermostat in both breaker and cable compartment, Earthing system Complete testing of breaker and panel which is as follows (a) Testing - i. Insulation resistance test , Voltage ratio test, Magnetization current test, Magnetic balance test , Vector group test, contact resistance measurement, Hi voltage test, Relay primary current injection test,PT test, CT test, (b) Lubrication of breaker mechanism and all dynamic components of VCB panel (c) physical condition of HT bushing and cable termination (d) Complete earthing system of VCB (e) SF6 filling Pressure of insulating Gas - 1.2bar.abs , Min 1.1 bar abs (f) Switch Fuse unit :- Rated current 200Amp, Propspective fault withstand - 20kA rms (g) Bushings Series 400 (DIN 47632)with adapted lin-in-line bolted connecttion - 630 Amp (h) Gas density gauge (i) Rubber isulated boots for terminals (incoming & outgoing) (j) Necessary nuts , bolts, washers to replaced where ever needed for the instruments. (k) moving parts and ARC contacts with CR . (l) tripping mechaism system calibtation of relay.

Supply, installation, testing and commissioning of LT PANEL, TPN 415 Volts, 50 Hz, out door cubical type floor mounted CPRI approved factory made, double door dust and vermin proof IP-54, fabricated out of CRCA sheet not less than 3.15 mm thick with 2mm thick for internal compartment duly powder coated fixed on angle iron pedestal made out of 50x50x6 mm with cable chamber for individual feeders for incomming and outgoing connections, one set of LED indicator lamp RYB with switch and fuse and the panel board shall be provided with proper ventillation including suitable size of cable alley copper bus bar suitable for carrying of current 600 Amps with suitable connections from MCCB out going to main bus bar shall be carried out with TPN copper bus bars of suitable rating and connections from main bus bar to out going MCCB's (intake point) will be carried out with TPN copper bus bar as per MCCB rating duly insulated and colour coded heat shrinkable sleeve and shall be rigidly mounted on suitable size of bridge insulator including necessary PCC foundation of minimum 0.35 m height positioned and fixed with suitable nut, bolts, washers etc to the MC pedestal all as specified and directed comprising of the following :- (a) MCCB 400 Amps 4 Pole 50 Hz 415 V ,with ICS=100% ICU, adjustable thermal-0.8-1IN, adjustable magnetic-5 to 10IN, With Option for in Built or Add on Module for ELM, capacity 36 KA - 1Nos (Incomer). (b) MCCB 350 Amps 4 Pole 50 Hz 415 V ,with ICS=100% ICU, adjustable thermal-0.8-1IN, adjustable magnetic-5 to 10IN, With Option for in Built or Add on Module for ELM capacity 16 KA - 1Nos (Outgoing) (c) MCCB 125 Amps 4P 50 Hz 415 V ,with ICS=100% ICU, adjustable thermal-0.8-1IN, adjustable magnetic-5 to 10IN, With Option for in Built or Add on Module for ELM, capacity 16 KA - 2 No (Outgoing). ( d) Astronomical timer switch 25 A with contactor - 01 Nos (e) Current transformer 300/ 5 A - 3 Nos (f) Three phase LED multi-function meter for indication of Current, Voltage, Frequency, Power Factor, KW, KVA, KVAR, KWH, KVAH, KVARH, MD etc - 1 No

Supply, Installation, commissioning & testing of factory made CPRI approved, LT switched gear panel board,IP-54(outdoor type) ,415 voils,50 Hz,AC supply,three phase and neutral (4 wie) ,450 Amps aluminium busbars 4 pole ,duly insulted with heat shrinkable sleeve as per colour code supported on epoxy insulatators,having independent compartment for insulated busbar ,incoming feeder & each outgoing feeder ie cubical type ,made out of 3.15 mm thick CRCA sheet,rigid mild steel angle iron frame of 50mmx50mmx6mm with 900mm long extended legs grouting in PCC 1:3:6 type C2 block of size 300mmx200mmx300mm ,duly epoxy powder coated internally & externally with approved shade ,rubber gasket,hinged front & back openable doors with proper locking arrangements for dust and vermin proof ,complete including suitable size cable alley,lugs,cable glands,common earth bar of GI strip 32x6mm at bottom and making connections with MCCB spreaders/wiring with suitable size of single core PVC copper conductor cable ,locking arrangements 65mm size and lock with keys,earth work and excavation comprising the following : Make of Panel : ABB/Seimens/Schenider/L&T Incomer :- (a) 250 Amps 4P, 36 KA ,with ICS=100% ICU, adjustable thermal-0.8-1IN, adjustable magnetic-5 to 10IN, With Option for in Built or Add on Module for ELM,MCCB - 01 Nos. Meter set : Digital voltmeter,Ammeter + CT : 400/5,RYB Indicating Lamp LED type 240 V ,MCB SP 6A, KWH Meter : CT/PT operated Trivector Energy with TOD Meter,3 Phase 4 wire for measuring of LT Instanteneous & Intigrating Parameters with bright LCD Display Outgoing :- (b) 100 Amp FP,16 KA,,with ICS=100% ICU, adjustable thermal-0.8-1IN, adjustable magnetic-5 to 10IN, With Option for in Built or Add on Module for ELM, MCCB- 01 Nos. (c ) 63 Amp FP,16 KA,,with ICS=100% ICU, adjustable thermal-0.8-1IN, adjustable magnetic-5 to 10IN, With Option for in Built or Add on Module for ELM, MCCB- 04 Nos. (d) Astronomical timer switch 25 A with contactor - 01 Nos (g) Phase Indicating lamp LED type (R, Y, B) - set of three.

S&F Anti-climbing device spikes type fabricated out of M.S. bars (round, square and flat) including nuts, bolts, washers and welding in two halves made to shape to suit the cross section of the pole complete all as specified and directed.

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