AUGMENTATION OF ELECTRIC SUPPLY SYSTEM UNDER GE (U) UDHAMPUR

Amount

Supply, laying, jointing and testing, laid in trenches/road crossing/under floor/on walls/on poles including clamps or passing through pipes, 1100 volts grade, LT XLPE insulated, armoured heavy duty electric cable with stranded aluminium conductor of following cross sectional area complete all as specified and directed.

Cross sectional area 500 Sqmm, 3.5 core.

Cross sectional area 300 Sqmm, 3.5 core.

Cross sectional area 150 Sqmm, 3.5 core.

Cross sectional area 120 Sqmm, 3.5 core.

Cross sectional area 95 Sqmm, 3.5 core.

Cross sectional area 70 Sqmm, 3.5 core.

Cross sectional area 50 Sqmm, 3.5 core.

Supply, laying, jointing and testing, laid in trenches/road crossing/under floor/on walls/on poles including clamps or passing through pipes 11000 volts grade, HT, XLPE insulated, armoured heavy duty electric cable with stranded aluminium conductor of following cross sectional area complete all as specified and directed.

Cross sectional area 120 Sqmm, 3 core.

Cross sectional area 95 Sqmm, 3 core.

Notes for Srl item No. 1 & 2:- (a) Earth work, PCC covers and sand cushioning shall be measured and paid separately. (b) The quoted rates shall be deemed to be include the following:- (i) Colour code of HT/LT cables shall be as per IS standard. (ii) Pre-dispatch inspection of HT and LT cables shall be carried out at manufacture's factory by the rep of Accepting Officer before dispatching to site. (iii)) Cable shall be marked or embossed as 'GE (U) Udhampur' at every one metre length.

Cable jointing kit for 33 KV (earthed) grade cable for heat shink type end joint complete with jointing material and accessories suitable for 3 core AB cable, armoured, aluminium conductor cable of size 240 sqmm, outdoor type, complete all as specified and as directed.

Cable jointing kit for 11 KV (earthed) grade cable for outdoor termination, end joint, heat shink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, aluminium conductor cable of size 120 sqmm, complete all as specified and as directed.

Cable jointing kit for 11 KV, (earthed) grade cable for outdoor termination, end joint, heat shink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, aluminium conductor cable of size 95 sqmm, complete all as specified and as directed.

Cable jointing kit for 11 KV (earthed), grade cable for indoor/outdoor striaght through, heat shink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, aluminium conductor cable of size120 sqmm, complete all as specified and as directed.

Cable jointing kit for 11 KV (earthed), grade cable for straight through, heat shink type joint complete with jointing material and accessories suitable for 3 core XLPE, armoured, aluminium conductor cable of size 95 sqmm, complete all as specified and as directed.

Air Break gang operated switch Horizontal/Vertical type 12 insulators type with drop out fuses assembly mounted on MS Channel with operating mechanism works from ground level suitable for 11000 volts 200 Amps, including GI pipe handle, clamps bolts, nuts, jumper wire connecting with stranded conductors with locking arrangement, including GI pipe handle, clamps bolls, nuts, jumper wire connecting with stranded conductors with loacking arrangement, complete all as specified and as directed by Engr-in-Charge.

Lightning arrestor expulsion type complete with all fittings, transmission class, discharge capacity 65KA , 11000 volts complete all as specified and as directed.

HT Danger notice plate of size 25 X 20 cm & 1.6mm thick mild steel, sheet vitreous enamelled white with letters figures in English, Hindi or Urdu and conventional skull and bones in signal red colour and fixed with MS clamp bolts and nuts of approved size complete all as specified and as directed.

HT overhead lines on existing steel poles with XLPE insulated AB cable 3-core X 240 sq mm + 1 x 150 sq mm, 33 KV including clamp, nuts alongwith complete acessiors all as specified and directed.

Supply, install, test & commissioning indoor type HT 11 KV 630 Amps or nearest highest capacity along with bus bar current carring capacity recommended by OEM, 26.3KA for 3 sec, 3 phase, 50Hz, AC supply Vacumm Circuit Breaker (VCB) totally enclosed, free standing floor mounted type with truck mounted, horizontal isolation and horizontal drawout cubicle type having IP 4X class degree of protection, proper ventilation and control voltage 240 Volts AC and 110 Volts DC complete with CT, PT, indication lamps, meters, relays, copper bus bar 800 Amps, switches and other accessories, 8 window annunciator on each VCB complete all as specified and directed for the following HT Panels :- Incoming Feeder (VCB) - 02 No. Bus Coupler- 01 No 1. TECHNICAL SPECIFICATION CIRCUIT BREAKER (VCB) (a). The circuit breaker shall be mounted on a withdrawable truck which shall roll out horizontally from service position to isolated position with ease and it shall also be possible to take out the breaker truck from cubicle smoothly on to the floor without use of any separate handling equipment. It is preferable to provide three-point guide for withdrawal and insertion of truck into the cubicle with ball bearing arrangement on the top of the truck. Circuit breaker shall be of vacuum only and the truck shall have distinct ‘SERVICE’ & ‘TEST’ position. Isolated position by defeating the interlock shall also be inside the cubicle so that the front door of breaker compartment can be closed even in breaker isolated position. Special more than three point hinged locking arrangement shall be provided to prevent opening of door in the event of internal arc in breaker compartment. Isolation shall be horizontal:- For better protection (i) Mechanical life - 30,000 (ii) Rated Current – 10,000 (iii) Dead Short Circuit operations – 100

(b). All the three interrupters of individual phases shall be mounted Vertically on a common phase segregated epoxy body mounted on a truck for better insulation and avoidance of non-simultaneity of poles. Circuit breaker shall be vacuum type only. Bidders should be the manufacturer of vacuum interrupter as pre- requisite for qualifying. Interrupter mounted on the conventional individual insulators will not be accepted. No separate fiberglass sheet barrier to be used. Interrupter position on VCB should be Vertical. Horizontal Position mounting of Vacuum interrupter is not acceptable. (c). It shall be operated through a common motor wound spring charged mechanism with electrical release coil for closing and shunt trip coil for tripping. Operating mechanism must have manual charging, closing and tripping facility with the provision locking facility in push to close & push to trip mechanical push button. (d). The mechanism shall be such that motor will automatically recharge the mechanism springs after a closing operation enabling breaker to perform OCO operation. The charging time of motor shall be less than 15 secs making it suitable for rapid auto reclosing duty. Emergency mechanical push to trip button shall be provided for emergency manual tripping with front door closed. All the ‘MS’ components of circuit breaker mechanism shall be treated with zinc platting with olive green passivation for longer life even in adverse climatic condition. Yellow passivation shall not be acceptable. All mechanism springs shall be powder coated. Plating on mechanism spring is not acceptable. The normal current rating of circuit breaker shall be in panel rating without fan. (e). There shall be minimum 4NOs and 4NC contacts in breaker auxiliary switch. In case of Additional contacts, the same can be multiplied through latched type contactors. Auxiliary plug and socket shall be of minimum 24 pin plug type and shall have scrapping earth feature. Auxiliary contacts shall be suitable for continuous thermal current rating of 10A.

2. INTERLOCKS (a). Circuit breaker can be inserted only in open position. Likewise, circuit breaker in closed position cannot be withdrawn. Attempt to draw out closed breaker shall not trip the breaker. (b). The circuit breaker shall operate only in one of the two defined positions i.e. service and test. For isolation Auxiliary terminal Plug to be removed manually. (c). The circuit breaker cannot be inserted into service position till auxiliary contacts are made. Similarly interlock prevent auxiliary contacts from being disconnected, if circuit breaker is in service position. (d). It will not be possible to rack out the withdrawable part from Service to Test position when the switching device is switched ON. Similarly, it will not be possible to rack in the withdrawable part from Test to Service position, if the switching device is switched ON. (e). Any attempt to rack out withdrawable part from Service to Test position will not result in switching OFF the Circuit Breaker instead the Service position will be locked till switching device is ‘ON’. (f). It will not be possible to rack in or rack out withdrawable truck when the front high voltage door is open. However, a suitable defeat interlock mechanism is provided for emergency purpose. (g). It will not be possible to rack in the withdrawable truck from test to service position when the low voltage control plug is not in position and locked on the truck itself. (h). It will not be possible to close the door if the low voltage control plug is not engaged.

3. BUS BAR (a). Bus bar material shall be Electrolytic Copper 800 Amps with PVC sleeves. (b). All bus bars shall be insulated with heat shrinkable PVC sleeves. Joints shall be insulated with shrouds in busbar chamber and interphase barrier shall be provided in cable chamber. (c). Phase identification shall be made at the end by colored tape. (d). Bus bars shall be mounted on integral seal off bushings while passing from one compartment to another except busbar compartment. (e). Bus bar shall run throughout the switchgear without interruption so incase of any arc, arc shall travel and cause minimum damage to the switchgear. (f). Temperature Rise of busbar along with other parts of switchgear shall be governed by IEC 60694, Table I.

4. CUBICLE CONSTRUCTION (a). The switchgear panel shall be of sheet steel construction with ALUZINC except doors and covers, not less than 2.5mm thickness for load bearing section and not less than 2 mm thickness for non-load bearing and shall totally dust and vermin proof. The panels shall be rigid without using any external bracings. The switchboard panels should comply with relevant IS/IEC and revision thereof and shall be designed for easy operation maintenance and further extension. Bus bar, metering circuit breaker chamber, cables and cable box chamber should have proper access for maintenance, proper interlocks should be provided. All instruments shall be non-draw out type and safe guard in every respect from damages and provided with mechanical indicator of connection and disconnection position. The switchgear shall be completed with all necessary wiring fuses, auxiliary contacts terminal boards etc. (b). Width of cubicle is 600mm up to 1250A and 800 mm above 1250A. (c). All the high voltage compartments must have pressure discharge flap for the exit of gas due to internal arc to insure operator safety. All the HV compartment design i.e. Busbar compartment, VCB compartment & cable compartment should ensure conformity to IEC 62271-200 and must be type tested individually for Internal Arc Test for AFLR 26.3kA for 100ms. The switch gear panels shall be suitable for loss of service continuity LSC 2B. Safety shutters complying with IEC-62271-200 shall be provided to cover up the fixed high voltage contacts on busbar and cable sides when the truck is moved to ISOLATED position.

(d). Safety shutters shall be metallic and shall be provided to cover up the fixed High voltage contacts on bus bar and cable sides when the truck is moved to Test / isolated position. The shutters shall move automatically, through a Linkage with the movement of the truck and shall be of gravity fall type only. It shall be possible to padlock shutters individually. (e). Switch gear cubicle shall have seal off bushing arrangement between the circuit breaker compartment and bus bar / C.T. cum cable compartment, i.e. the fixed isolating contacts shall be embedded in epoxy cast bushing so these act as seal off bushing to prevent transfer of arc from one compartment to the other in the event of internal arc within the cubicle & must be tested for internal arc in all three HV compartments as per new IEC 62271-200. (f). Louvers can be provided for higher normal current rating however, same shall be backed up by fine wire mesh. (g). Joints for All front door shall be provided with neoprene or cross-linked poly ethylene gaskets self adhesive type. For compressibility step type channel base shall be provided for easy compressibility. It shall be preferable to provide cross linked poly ethylene type. It shall be preferable to supply cubicle with gaskets between all metal to metal proper vermin proof. Minimum degree of protection shall be IP4X. 5. LOW VOLTAGE COMPARTMENT (a). Low voltage compartment shall be mounted at the front on the top of breaker compartment and shall also have hinged type of door. (b). All wiring shall be routed through PVC ducts and shall be terminated on to stud type terminal with plastic cover. (c). For current transformer terminal shall be disconnecting link type only. (d). The wire shall be of 1.1KV grade and suitable for 2KVrms for I minute power frequency high voltage.

6. CABLE COMPARTMENT (a). It shall be at the rear side with rear bolted box type back covers. There shall be an inspection window at the rear back cover enabling operator to have visual inspection without opening back cover in live condition. Viewing window at the rear side shall be of poly carbonate only and shall be tested for internal arc. (b). The gland plate of cable chamber shall be of minimum 3mm thickness MS sheet in two halves section with built in adjustable cable holding clamp. In case of single core cable, it shall be supplied with non- magnetic gland plate. Cable box shall accommodate 2-3Core 630 sq. mm. Cables or 6-1C cables. Addition rear extension box of minimum 500 mm depth shall be provided for cables more than the quantity mentioned above. (c). Sufficient headroom shall be provided for cable termination. The distance between gland plate and terminal shall be minimum 600mm. (d). Phase barrier should be provided in all three phases of cable. (e). Control cable entry shall be from front and there should be a possibility of terminating to LV chamber from both right hand and left-hand side. Power cable entry shall be from rear bottom. Provision shall be available for entry of power cable or bus duct from rear bottom or rear top. 7. EARTHING (a). There shall be a continuous GI strip earth bus of size 30 x 6 sq. mm running at the bottom of the panel. Earth bus shall be robust and shall can carry full short circuit current for 1 second. Doors, covers and all non-current carrying metallic parts shall be earthed through flexible copper wires. This also includes instrument casing and cable armour which are also connected to the earth bus. Earth bus must be tested for 26.3KA for 1 sec (b). Separate earthing truck shall be provided for bus earthing and cable earthing. The earthing truck shall be so designed that it is impossible to earth a live. It shall be provided with capacitive voltage divider and complete with audio visual annunciation.

8. CURRENT TRANSFORMER AND POTENTIAL TRANSFORMER Current transformer for all feeders Core 1 : 630/1A : Cl-0.5, Burden 25 VA Core 2 : 630/1A : Cl-5P20, Burden 25 VA Core 3 : 800-1200Amps/1Amps (a). Current transformers shall be triple core window / bar primary for higher rating or wound primary for lower rating. Maximum VA burden shall be of 25 VA and shall be rated for full short circuit current for 1 second. Differential / REF CTs can be in one mould. Incase of numerical relays 10VA burden shall be sufficient. CT shall be of a minimum accuracy of class 0.5/5P20 and CT Secondary rating shall be 1A unless otherwise specified. (b). Potential transformer for incomer feeder shall be 3phase with ratio 11KV/110Volts 3 limb type with 25VA of class 0.5/3P accuracy and shall be mounted on incomer breaker truck. For bus connected P.T the same shall be mounted in a separate with drawable truck in a separate vertical panel. (c). In addition to scrapping earth in auxiliary plug and socket proper arrangement should be made so that during engagement of the breaker in service condition earthing contacts is made first before isolating power contacts are engaged.

(v) The device shall support webserver/web HMI through which we can monitor and control the relays over a ethernet Lan network. (vi) The device shall support virtual simulation through which protection functions and logic testing can be achieved without any separate software. (vii) The device shall have USB communication port in the front for the setting software use and at the back the communication ports shall be either 2xRJ-45 Ethernet port. The device shall support Native IEC61850 Communication protocol. 11. Thermal & Humidity Monitoring System MV Switchboard shall also be provided with Condition Based Monitoring System through wireless sensor’s for Thermal & Humidity monitoring. (i) Self power, Battery less wireless Thermal monitoring sensors shall be provided to detect abnormal temperatures due to faulty connections at Hot point of cable termination. (ii) Ambient monitoring sensors shall be provided at a) substation room (relative humidity & ambient temperature) and Cable Compartment of each switch gear (dew point and relative humidity) (iii) All Sensors and Receivers shall be comply with UL 61010-1 requirements and will be UL and IEC Approved. (iv) All sensors should be direct measurement type for temperature, and no algorithm or indirect calculation based measurement should be used (iv) The temperature sensors installed shall be suitable for wireless, with direct contact to hot point, operating range from -25°C to 125 °C with ± 2°C accuracy, relative humidity.

d). Colors of the secondary / auxiliary wiring should confirm to IS 375/1963 and latest amendment thereof if any. All wiring shall be neatly run and group of wiring shall be securely fixed by clips so that wiring can be checked without necessity of removing the clamps. Wiring between fixed and moving portion of the panel shall be run in flexible tubes and the same shall be so mounted to avoid any damage to them due to mechanical movements. Ferrules with number shall be provided on both end of the wiring. e). All wires directly connected to trip the circuit breaker shall be distinguished by the addition of a red coloured unlettered ferrule. 14. PRE TREATMENT AND PAINTING a). Switch gear front and rear covers shall be painted for aesthetic purposes and paint shade shall be RAL 7032. All the VCBs Panels along with ther Misc Items for HT panels should be from original OEM and no channel partner/third party permitted for the same. Additional Accessories:- Power Pack 220V AC/24V DC 8A, 18Ah and min 24hrs power backup. The rate quoted by the contractor shall also included this provision.

Supply, installation, testing and commissioning of Outdoor Type 33KV, VCB Panel Board for Outdoor Supply of HT 33KV, 3Phase 50Hz, totally metal clad withdraw able type Vacuum Circuit Breaker panel with Copper bus bar of suitable rating, horizontal isolation type VCB of capacity minimum 400 Amps rated current,Copper bus bar as per IEC 62271-100-200.The offered panels shall be tested for IAC level of min. 26.3kA/1s for better performance: (i) Mechanical life -30,000 , (ii) Rated Current – 10,000 & (iii) Rated Short Circuit Operations – 100 (iv) degree of protection - IP-55. Panel and VCB parameters are as below : (i) Rated Voltage level/ PF withstand voltage/ Impulse level:36KV/ 70 kV/ 170 kVp for the altitude of upto 2000 mtr (ii) Continuous current rating: minimum 630A (iii) Short circuit withstand current: minimum 25KA for 3sec. (iv) One no. minimum 800 Amps horizontal draw out type vacuum circuit breaker in 33KV metal clad floor mounting panel complete with following:- (a)Manually & Motor operated(230V,AC,50Hz) spring charged type, manually and electrically open (electrical – 24 VDC) operation type, incorporating mechanical as well as electrical ON/OFF indication "OFF" push button, test/service position limit switches, with minimum 8NO+ 8NC breaker auxiliary contacts in service position. (b)Epoxy cast wound current transformer (CT),33KV of Single Phase Cast Resin WPL Ratio 300/5-5 A, Core-1 : 15 VA ,5P10 26.3KA CORE-2 : 15 VA, Class - 1/26.3KA (Confirming related IS specifications).

Supply , install , testing and commissioning of 11KV 630A , 25 KA for 1 sec, SF6 Insulated , one side extensible , out door duty 5 way Ring main unit manually operated in combination of 2 no Load break switch as incommer and 3 nos VCB as out goining . system shall consisting of Copper busbar in SF6 insulated 304 ( Non- Ferrite Non magenetic Grade) stainless steel enclosure of thickness 2.5mm with manometer fixed, with series trip, self powered microprocessor based numerical over current relay (IDMTL+ Inst.) in each VCB feeder suitable CT for protection to be proveded with each VCB feeder. The HV switch gear and control gear should be confirming to IEC 62271 1,100,200. The RMU should be internal are tested for 21 KA for 15 second with IAC AFLR classification for gas tank & cable box. The complete RMU front along cable chamber to be covered by an seperate outdoor door to have ingress protection of minimum IP 54. The RMU design should support site replaceable HT cables bushing and VI of VCB should be RMU Manufacturer's own make. Each feeder of should have voltage presence indicator. All the type test certificated as per IEC from thrid party lab to be submitted.

RMU should have followings: i) 1 No microprocessor based self powered numerical relay with over current/earth fault & short circuit protection with each VCB feeder. ii) 3 Nos protection CT shall be of burden 2.5 VA, ratio 100-50/1A, class of Accuracy class SP10 for O/C and E/F protection for each VCB. iii) VCB should confirm oeperating sequence 0-0.3 Sec-CO-3min-CO and 10000 mechanical operation. iv) 1 No. Manometer for each tank v) 1 Nos voltage passage indicator for each feeder. vi) 1 nos Fault passage indicator for ach RMU vii) Right angle boots for all the feeder Modules - Note :- (i) Excavation and PCC work required for housing / fixing of RMU as per manufacture instruction is deemed to be included in rate quoted by contractor and nothing extra shall be admissible. Make of RMU : ABB/SIEMENS/SCHNEIDER INFRA( No System house/Franchise/license partnar is approved) (ii) VCB should be consists of trafu card for OTI/WTI/Buchholz for alarm/trip. Dead short circuit operation of vacuum interrupter should not be less than 50.

Supply, install, testing and commissioning of 11KV 630A , 25 KA for 1 sec, SF6 Insulated , one side extensible, out door duty 4 way Ring main unit manually operated in combination of 2 no Load break switch as incommer and 2 nos VCB as out goining . system shall consisting of Copper busbar in SF6 insulated 304 ( Non- Ferrite Non magenetic Grade) stainless steel enclosure of thickness 2.5mm with manometer fixed, with series trip, self powered microprocessor based numerical over current relay (IDMTL+ Inst.) in each VCB feeder suitable CT for protection to be proveded with each VCB feeder. The HV switch gear and control gear should be confirming to IEC 62271 1,100,200. The RMU should be internal are tested for 21 KA for 15 second with IAC AFLR classification for gas tank & cable box. The complete RMU front along cable chamber to be covered by an seperate outdoor door to have ingress protection of minimum IP 54. The RMU design should support site replaceable HT cables bushing and VI of VCB should be RMU Manufacturer's own make. Each feeder of should have voltage presence indicator. All the type test certificated as per IEC from thrid party lab to be submitted.

RMU should have followings: i) 1 No microprocessor based self powered numerical relay with over current/earth fault & short circuit protection with each VCB feeder. ii) 3 Nos protection CT shall be of burden 2.5 VA, ratio 100-50/1A, class of Accuracy class SP10 for O/C and E/F protection for each VCB. iii) VCB should confirm oeperating sequence 0-0.3 Sec-CO-3min-CO and 10000 mechanical operation. (iv) 1 No. Manometer for each tank v) 1 Nos voltage passage indicator for each feeder. vi)1 nos Fault passage indicator for ach RMU vii) Right angle boots for all the feeder Modules Note :- (i) Excavation and PCC work required for housing / fixing of RMU as per manufacture instruction is deemed to be included in rate quoted by contractor and nothing extra shall be admissible. (ii) VCB should be consists of trafu card for OTI/WTI/Buchholz for alarm/trip. Dead short circuit operation of vacuum interrupter should not be less than 50. Make of RMU : ABB/SIEMENS/SCHNEIDER INFRA( No System house/Franchise/license partnar is approved)

Supply, instal, testing and commissioning of 11KV 630A , 25 KA for 1 sec, SF6 Insulated , one side extensible , out door duty 3 way Ring main unit manually operated in combination of 1 no Load break switch as incommer and 2 nos VCB as out goining . system shall consisting of Copper busbar in SF6 insulated 304 ( Non- Ferrite Non magenetic Grade) stainless steel enclosure of thickness 2.5mm with manometer fixed. with series trip, self powered microprocessor based numerical over current relay (IDMTL+ Inst.) in each VCB feeder suitable CT for protection to be proveded with each VCB feeder. The HV switch gear and control gear should be confirming to IEC 62271 1,100,200. The RMU should be internal are tested for 21 KA for 15 second with IAC AFLR classification for gas tank & cable box. The complete RMU front along cable chamber to be covered by an seperate outdoor door to have ingress protection of minimum IP 54. The RMU design should support site replaceable HT cables bushing and VI of VCB should be RMU Manufacturer's own make. Each feeder of should have voltage presence indicator. All the type test certificated as per IEC from thrid party lab to be submitted.

RMU should have followings: i) 1 No microprocessor based self powered numerical relay with over current/earth fault & short circuit protection with each VCB feeder. ii) 3 Nos protection CT shall be of burden 2.5 VA, ratio 100-50/1A, class of Accuracy class SP10 for O/C and E/F protection for each VCB. iii) VCB should confirm oeperating sequence 0-0.3 Sec-CO-3min-CO and 10000 mechanical operation. iv)1 No. Manometer for each tank v) 1 Nos voltage passage indicator for each feeder. vi)1 nos Fault passage indicator for ach RMU vii) Right angle boots for all the feeder Modules - Note :- (i) Excavation and PCC work required for housing / fixing of RMU as per manufacture instruction is deemed to be included in rate quoted by contractor and nothing extra shall be admissible. (ii) VCB should be consists of trafu card for OTI/WTI/Buchholz for alarm/trip. Dead short circuit operation of vacuum interrupter should not be less than 50. Make of RMU : ABB/SIEMENS/SCHNEIDER INFRA( No System house/Franchise/license partnar is approved)

MS cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, drilling holes for bolts, in any shape or size as indicated or directed and preparation of surface and applying two coats of synthetic enamel paint over a coat of primer complete all as specified and directed.

Air break gang operated switches Horizontal/Vertical type 09 instulators type with drop out fuses assembly mounted on MS Channel with operating mechanism works from ground level suitable for 11000 volts, 400 Amps, including Gl pipe handle, clamps bolls, nuts, jumper wire connecting with stranded conductors with locking arrangement, complete all as specified and as directed.

Supply, Installaiton, commosioning and testing weather proof outdoor double door type bus bar chamber i.e (front & back opening), made out of 1.6 mm thick MS sheet comprising 4 Nos aluminium strip each of 300 Amps mounted on insulators with 4 No's mounting legs made out of 25mm x 25mm x 5mm angle iron grouted in PCC block of size 30cm x 30cm x 90cm (30cm depth below ground level and 60cm above ground level) in plain cement concrete M-10, type C-2 (using 40mm graded crushed stone aggregate), and connections with suitable size of aluminium thimbles, nuts, bolts & washers including cable glands at entry and outlet points including excavation and earth work, returning filling and removing of surplus soils, all as specified and directed.

Note for item Nos 19 to 28: (a) LT Panel design verification and certification have been carried out by CPRI/NABL/ASTA accredited third party labs. (b) All LT Panels with different ratings should have test report of below mentioned tests:- (i) Clearances (ii) Strength of material and parts (iii) Electromagnetic compatibility (EMC) (iv) Degree of protection of enclousers (IP-54) (v) Die electric properties (vi) Temprature rise limit (vii) Short circuit withstand strength (viii) Creepage distances (ix) Protection against electric shock and integrity of protective circuits. (x) Internal arc test (c) The cost of PCC foundation for LT panels & all XLPE cable to be connected to the LT panel should be terminated by LT end joint as per site requirement are deemed to be included in the unit rate quoted by the Contractor. (d) Sensors (Cable Heating Detection):- (i) Switch boards, non-forced air ventilated shall be enabled with DIN rail sensor capable for monitoring the system and generate three levels of alerts on overheating wire connections or overheating cables depending on the severity of the detected situation. (ii) Each column of electrical switchboard shall include one sensor at top, to help user to prevent electrical switchboards from being damaged by analyzing gas and particles in the air and informing before any smoke or insulator browning occurs.

Shifting of 6.3 MVA, 33/11 KV Power Transformer from dairy farm to JNE Power house including all transport, crane, carrier etc complete Note 1. Before energistion of the transformer, the following routine test will be conducted by the rep of techanical team arranged by the contractor in pressence of dept rep as follows: a) BDV (Before shifting & after shifting) b) Turn ratio test c) IR test d) dehighdration of the transformer to achived dielectric strenght of transformer oil as per recomended IS code Note: - The rate for testing of Power transforemer and necessary arrangement for testing shall be including in this qouted rate of this item.

Earthing complete with galvanized steel earth plate electrode 600 mm x 600mm x 6.0mm thick buried directly in ground ( earth pit not less than 2.25 mtr below normal ground level ) with top edge plate not less than 1.5 metre below normal ground level connected to galvanized earth strip of size 32 x 6mm as earthing lead by means of bolts, nuts, chuck nuts and washers of galvanized iron earth lead with 15 cm thick alternate layers of charcoal dust & common slat including PCC pit in PCC 1:2:4 type B-1, RCC cover made out of cement concrete 1:2:4 type B-1 (using 20 mm graded crushed stone aggregate) reinforced with TMT steel bars 8 mm dia @150 mm c/c both ways with suitable handle and angle iron 40 x 40 x 5 mm frame, GI medium grade watering pipe 20 mm bore and funnel with wire mesh light grade protection pipe 40mm bore up to main board complete as shown on electrical plate No 3 of MES Sch 2009 (Part-I) and testing on completion complete all as specified and directed by the Engineer-in-Charge. Note: - On testing after completion of earthing, if desired earth resistance is not obtained, the earthing will be re-done by the contractor at his own risk & cost to the entire satisfaction of Engineer-in-charge.

Earthing complete with galvanized mild steel earth plate electrode 60cm x 60cm x 6mm thick buried directly in ground (earth pit not less than 2.25 meters below ground level) with top edge of earth plate not less than 1.5 meters below ground level connected to galvanized earth wire 4.00mm dia by means of nuts, bolts, thimbles, chuck nuts, washers of GI or steel, PCC (concrete chamber of size 300 mm x 300 mm x 300 mm inside dimension) shall be PCC 1:3:6 type C-1 using 20mm graded crushed stone aggregate with fair finish , internal surface of concrete chamber shall be given 15mm thick plaster in CM 1:4, funnel with wire mesh of 22 gauge, 80 mm thick PCC pit cover 320 mm x 320 mm of RCC 1:2:4 type B-1 using 20 mm graded stone aggregate reinforced with XPM, Jall: pit shall be filled with charcoal dust and common salt all as shown in electrical plate No 3 of MES SSR Part-I (2009) as specified including provision of 15mm dia medium grade GI pipe for earth wire protection and 20 mm dia for watering complete (GI Funnel should properly tightned on GI watering pipe and embeded in PCC floor of earth pit with open top suitable for watering of earth pits) , all excavation and earth work & connecting the earthing to an earthing test point / main switch board and testing on completion, complete all as specified and directed. Note: - On testing after completion of earthing, if desired earth resistance is not obtained, the earthing will be re-done by the contractor at his own risk & cost to the entire satisfaction of Engineer-in-charge.

Steel tubular swaged pole erected to truly vertical or planted as strut complete with 6 mm thick MS Base plate,welded to pole,finial taper cap, bolts, nuts, screws,11 Mtr long, type 410 SP-55, including drilling of holes of required size for fixing of cross arms,painting the exposed surfaces of pole with two coats of aluminium paint over a coat of red oxide zinc chrome primer and with two coats of black bituminous paint on the portion embedded in concrete, and marking pole no. with black paint at suitable height all as specified and directed by Engineer-in-Charge.Note:- The earthwork, PCC foundation, steel clamps, MS Cross arms & bracing of angle iron etc will be measured and paid separately under relevant items.

Construction of platform for transformer 7m (wide)x 8m (long) & 1.5m (height) including moorum filling, earth work in brickwork any type of soil, brick work in CM (1:6) and PCC at top 10 cm thick (1:2:4) type B-1 and foundation with 1:4:8 type D-2, 25cm thick all as per drawing including plastering to exposed walls and white wash, providing MS channel on top of size 75x40x8mm of 1.5m length for rolling to transformer, including chain link fencing of wire mesh 150x100 size made out 4mm dia GI wire of height 1.5m fixed with the help of MS strip 25x6mm on and including MS angle iron 75x45x6mm thick 12 Nos post by the means of drilling holes at the distance of 30cm and fixed with the help of suitable nut, bolt and washer, the length of MS angle iron not less than 2.25m top of post bend to the shape of 60 degree including 03 Nos cuts for inserting barbed wire including 03 run of barbed wire and including provision of gate of size 1.5mx0.9m made out of MS angle iron 50x50x6mm and MS bar 12mm dia for meshing to the gate and locking arrangement complete all necessary for work, complete all as specified.

Excavating in trenches, not exceeding 1.5 m wide and not exceeding 1.5 m in depth for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. not exceeding 10 sq m on plan and not exceeding 1.5 m in depth and getting out in any type of soil, complete all as specified

All as per Srl item No.34 above, but depth exceeding 1.5m but not exceeding 3m complete all as specified & directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25cm, in any type of soil, complete all as specified and directed.

Removing excavated material (soil) not exceeding 50m and deposited where directed at a level not exceeding 1.50m above from the starting point, complete all as specified.

Double walled corrugated (DWC) pipe of size 200 mm including snap fit coupler conforming to IS14930 (Pt-II) IS16205 Pt-II for protection of HT cable in under ground complete all as specified and directed. Make: REX/Tirupati Plastomatics Pvt Ltd

Double walled corrugated (DWC) pipe of size 180 mm including snap fit coupler conforming to IS14930 (Pt-II) IS16205 Pt-II for protection of HT cable in under ground complete all as specified and directed. Make: REX/Tirupati Plastomatics Pvt Ltd

Double walled corrugated (DWC) pipe of size 120 mm including snap fit coupler conforming to IS14930 (Pt-II) IS16205 Pt-II for protection of HT cable in under ground complete all as specified and directed. Make: REX/Tirupati Plastomatics Pvt Ltd

Double walled corrugated (DWC) pipe of size 90 mm including snap fit coupler conforming to IS14930 (Pt-II) IS16205 Pt-II for protection of HT cable in under ground complete all as specified and directed. Make: REX/Tirupati Plastomatics Pvt Ltd

Dismantling unserviceable PCC/RCC poles any type and size complete all as directed by Engr-in-charge.

Dismantling unserviceable insulator any type and size complete all as directed by Engr-in-charge.

Dismantling unserviceable Cross arms of M-S Channel or angle sections etc, complete and setting aside for re-use, any type and size complete all as directed by Engr-in-charge.

Dismantling unserviceable ACSR conductor any type and size complete all as directed by Engr-in-charge.

Aluminium conductor, steel reinforced, including various acessories like line connectors,line taps and compression joints where required in streaching of conductor complete all as specified and directed

Galvanised steel tubing, light grade, 100 mm dia for protection of under ground cable on poles / walls under road crossing etc including dismantling & taking down existing pipe complete all as specified and directed.

Cable jointing kit indoor /outdoor type for 1100 volt grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for XLPE armoured aluminium conductor cable of following size complete all as specified and directed

Size 300 Sqmm x 3.5 core.

Size 150 Sqmm x 3.5 core.

Size 120 Sqmm x 3.5 core.

Size 95 Sqmm x 3.5 core.

Size 70 Sqmm x 3.5 core.

Size 50 Sqmm x 3.5 core.

Road cutting for laying of HT/LT Cables / Pipes and making good the distrubued surfaces as equal to existing road finishes including refilling the excavated material, compacting , WBM and black top carpeting with bitumen & aggregate complete all as specified and directed

Route indicator 750 X 200 X 200mm with slant embosed facing including earth work and grouting 600mm below ground level complete all as specified and directed

Taking down the existing HT steel tubular pole from the site carefully and refixing at new location as directed by Engr-in-Charge including earthwork, PCC 1:2:4 type B-1 (using 20mm graded crushed stone aggregate) for foundation & coping of HT pole (i.e 1.65 x 0.6 x 0.6 Cum for foundation & 0.60 x 0.30 x 0.30 Cum for coping), shifting the pole to new location including nuts, bolts & clamps along with connected accessories for tightening the HT cable on steel tubular pole complete all as directed.

Dismantling existing paver block of any size and type carefully including bedding layer (PCC), removing servicable paver to store for reuse during laying of LT/HT cable and refixing the same after laying of HT/LT cable including provision of bedding layer (PCC 1:2:4, type B-1), 25mm thick sand cushioning and renewal of any damage paver complete all as directed by GE.

Deduction to be made from BOQ for Sch 'A' Part - II (Schedule of credit) Amount of Rs. 1,12,760.00 during AOC. Note: Tenderers shall not quote for this schedule.

Sant Construction Co.

V K Sales and Construction Co

SHIV CHARAN GUPTA AND SONS

Vardhman Airport Solutions Private Limited

vijay builders

RAVINDRA BROTHERS

M/S BHATIA BUILDERS AND CONTRACTORS

Chandra Construction