DCSEM/CQD/QSC/GCNEP-II/CS-SS

Amount

HT Panel & RMU

HT Cables

Transformers

LT Panels

Bus Ducts

Feeder pillar

LT cables

Maintenance Free Earthing

Substation Equipment

Miscellaneous Items

Lightning protection system

Civil Works

Description of Work / Item(s)

Amount

Section-I : HT PANEL & RMU :

COMMON NOTES FOR HT PANELS: 1) Interlock shall be provided between incomer & bus coupler breakers such that it shall be possible to close only any two breakers at a time. 2) Intertripping between upstream & downstream breakers of transformer feeder shall be provided. 3) Routine tests on breaker shall be performed in presence of departmental engineers as per relevant specifications at works. Type test certificate as indicated in the specification shall be submitted prior to inspection & testing at manufacturers works. 4) Proper labels and ferrule numbers should be affixed alongside various components and control wire. Concurrence of dept. engineers shall be obtained on location, qty. etc. 5) Tenderer shall hire manufacturer commissioning team or their authorised representatives for installation, testing & commissioning of HT switchboard at site. 6) Provision of cable entry shall be from bottom only. 7) HT Panel shall have provision for remote monitoring / control through central station unit through SCADA, in future. Therefore, following provisions shall be made for BMS compatibility : i. Breaker 'ON', 'OFF', 'Trip', Test / Service / isolation position, ready to close, Spring Charged to be provided in form of soft data points i.e. on RS-485 port with Modbus protocol/ with potential free contacts. ii. Suitable I/O points shall be provided for remote control of incomer & bus coupler breaker through SCADA screen. iii. All numerical relays and multifunction meters shall be provided with RS-485 port on Modbus communication protocol. iv. All communication devices should be compatible and set on same baud rate. v. MS channels (ISMC 100) required for installation of Panel on cable trench including cutting of chequered plate cover etc. is included in the scope of work. vi. The HT Panel shall be extensible type on both sides.

36 kV SF6 insulated Ring Main Unit (RMU): Design, Supply, Installation, Testing and Commissioning of outdoor pedestal/floor mounting, free standing 36 kV SF6 insulated Ring Main Gear unit made out of M.S powder coated sheet steel clad, dust and vermin proof with 630A Copper Busbars, Interconnections, necessary protections, Measuring Instruments, Indicating Instruments, Protection Relays, CTs, PT with necessary control fuses / MCBs, Termination arrangements for Incoming and Outgoing Cable of 33 kV(E) 3 Core 300 Sq.mm XLPE Al.Armoured cable, Terminal Blocks, Earthing, sign writing and Base channels etc., with complete all accessories as required for satisfactory operations and as per the detailed Technical Specifications enclosed and of the following configurations: The RMU shall be internal arc tested with internal arc classification of IAC AFLR, 20 kA for 1 second. The type test certificate shall be submitted showing compliance for above internal arc classification. Note: 1)Routine tests on RMUs shall be performed in presence of departmental engineers as per relevant IS/BS/IE specifications at works. Type test certficate as indicated in the specification shall be submitted along with GTP during tender evaluation stage. 2) Proper labels and ferrule numbers should be affixed alongside various components and control wire, concurence of dept. engineers shall be obtained on location, qty etc. 3)Tenderer shall hire RMU OEM commissioning team or their authorized representatives for installation, testing & commissioning of RMU at site. 4) Scope also includes the supply and installation of M.S. Channel (ISMC 100) required for installation of panel on cable trench including cutting of chequered plate covers etc. 5)The isolators & breaker shall be provided with earth switches & key lock arrangement shall be provided to ensure interlock between earthing switch & respective isolator/breaker. 6) Flare 22D or equivalent FPI shall be provided as per Schematic diagram. 7) Voltage Presence Indicator (VPI) shall be provided & with provision to check voltage sequence.

4 way extensible type RMU (outdoor type- min. IP 54) 1) 2 nos. 36 kV 630A Load break switch. 2) 2 Nos.36 kV 630A, 25kA VCB with self powered numeric protection relay for providing overcurrent & earth fault protection & protection CT's. 3) PT 33/√3kV/110/√3 V 50VA/ Ph. Class-1.0 - 6 Nos. 4) 200-100/ 1A, 2.5VA CL-1.0 CT for metering - 6 Nos. 5) 2 Nos. multifunction meter of Accuracy class 1.0 , PT secondary 110V AC, CT secondary 1 A. 6) Fault passage indicators - 2 nos. 7) Battery with charger of suitable capacity for control supply Note: The RCC foundation for mounting RMU is measured separately under relevant items of Section- XII.

12 kV SF6 insulated Ring Main Unit (RMU): Design, Supply, Installation, Testing and Commissioning of outdoor pedestal/floor mounting, free standing 12 kV SF6 insulated Ring Main Gear unit made out of M.S powder coated sheet steel clad, dust and vermin proof with 630A Copper Busbars, Interconnections, necessary protections, Measuring Instruments, Indicating Instruments, Protection Relays, CTs, PT with necessary control fuses / MCBs, Termination arrangements for Incoming and Outgoing Cable of 11 kV(E) 3 Core 150 Sq mm XLPE Al.Armoured cable, Terminal Blocks, Earthing, sign writing and Base channels etc., with complete all accessories as required for satisfactory operations and as per the detailed Technical Specifications enclosed and of the following configurations: The RMU shall be internal arc tested with internal arc classification of IAC AFLR, 20 kA for 1 second. The type test certificate shall be submitted showing compliance for above internal arc classification. Note: 1)Routine tests on RMUs shall be performed in presence of departmental engineers as per relevant IS/BS/IE specifications at works. Type test certficate as indicated in the specification shall be submitted along with GTP during tender evaluation stage. 2) Proper labels and ferrule numbers should be affixed alongside various components and control wire, concurence of dept. engineers shall be obtained on location, qty etc. 3)Tenderer shall hire RMU OEM commissioning team or their authorized representatives for installation, testing & commissioning of RMU at site. 4) Scope also includes the supply and installation of M.S. Channel (ISMC 100) required for installation of panel on cable trench including cutting of chequered plate covers etc. 5)The isolators & breaker shall be provided with earth switches & key lock arrangement shall be provided to ensure interlock between earthing switch & respective isolator/breaker. 6) Flare 22D or equivalent FPI shall be provided as per Schematic diagram. 7) Voltage Presence Indicator (VPI) shall be provided & with provision to check voltage sequence.

4 way extensible type RMU (outdoor type- min. IP 54) (At GCNEP Township site) : 1) 1 no. 12 kV 630A Load break switch. 2) 3 Nos.12 kV 630A, 21kA VCB with self powered numeric protection relay for providing overcurrent & earth fault protection & protection CT's. 3) PT 11/√3kV/110/√3 V 50VA/ Ph. Class-1.0 - 3 Nos. 4) 100-50/ 1A, 2.5VA CL-1.0 CT for metering- 3 Nos. 5) 1 No. multifunction meter of Accuracy class 1.0 , PT secondary 110V AC, CT secondary 1 A. 6) Fault passage indicators - 1 no. 7) Battery with charger of suitable capacity for control supply Note: The RCC foundation for mounting RMU is measured seperatley under relevant items of Section- XII.

Section-II : HT CABLE & END JOINTS :

HT Cable: Supply, Installation, Testing & Commissioning of following voltage grade Aluminium stranded circular core conductor with semi conductor shielding, XLPE insulation with semi conductor sheilding & copper tape screening, PVC (ST-2) extruded inner sheath, G.I strip/ wire armoured, anti rodent & anti termite, FRLS PVC (ST-2) outer sheathed cable conforming to IS 7098 (Part-II) with latest amendments, laid in ground /in existing hume pipes/ on wall / in cable trench/ on existing cable tray etc. as required ,as per technical specifications and as per instructions of EIC. NOTE: 1) The cost of excavation of soil for laying HT cables underground shall be measured seperately under item no. 12.01 of Section-XII. 2) The scope of item includes cost towards sand bedding, laying of baked bricks on side & RCC tiles on top of individual cable, temporary reinstatement, back filling, dewatering, consolidation, disposal of excess earth within the radius of 500 m and making good to the original finish etc providing Al cable number tag at every 50m straight run, at bends, entry/exit of pipe/trench and termination, as per specifications, drawings & as per instructions of the EIC. 3) Clamping of cables on trays including supply of clamping materials as per instruction of EIC shall be included in the scope of work.

33kV(E), 3Cx300 sqmm Aluminium cable

In ground

On wall/ slab/ column/false ceiling/existing cable tray/existing hume pipe/trench/shaft/pit etc

HT Cable End Joint : Supply, installation and termination for following voltage grade Aluminium conductor armoured XLPE insulated cable including heat shrinkable indoor jointing kit complete with tinned copper lugs, all accessories and materials required to make complete joint as required and as per technical specification & as per instruction of EIC. Note: HI-pot testing & commissioning of joint is included in the scope of this item.

33kV (E), 3Cx300 Sq.mm XLPE Al conductor cable

11kV (E), 3Cx150 Sq.mm XLPE Al conductor cable (At GCNEP Township site)

HT Straight Through Cable Joints : Supply, installation, testing & commissioning of straight through joint for following voltage grade Aluminium conductor armoured XLPE insulated cable including heat shrinkable jointing kit complete with tinned copper ferrules, all accessories and materials required to make complete joint as required and as per technical specification & as per instruction of EIC. Note: HI-pot testing & commissioning of joint is included in the scope of this item.

33kV (E), 3Cx 300 Sq.mm XLPE Al conductor cable

Disconnection of existing HT Cable from Pole structure, removal of existing outdoor joint kit, re-termination on outdoor RMU with joint kit as per instructions of EIC. The scope also includes excavation of soil to retrieve existing HT cable loop, as required & location of RMU, re-instatement back filling, consolidation of earth etc. Note: The approx. distance between pole structure and RMU is 5m.

Section -III:TRANSFORMER

Oil filled Transformer: Design, manufacture, shop testing at works, supply, assembling, installation, precommissioning testing at site and commissioning of following capacities & voltage rating , ONAN, 50 Hz, Dyn11, core type, double wound outdoor type transformer with transformer oil, copper winding, degree of protection IP-55 complete with H.V cable box with disconnecting chamber having inspection cover suitable to receive HT XLPE insulated armoured cable and LT box suitable for LT Al sandwich type bus duct, neutral CT 4000/1A, Class PS with Vk, Imag, Rct suitable value for REF protection, Winding temperature indicator, Oil temperature indicator, MOG , Bucholz relay, Oil surge relay (OSR), ON Load tap changer with RTCC Panel with AVR (+10% to -10% in steps of 1.25%), standard mounting accessories, fittings, etc., first filling of oil, painting at works & touch up painting at site etc including 10% extra transformer oil in non returnable drums. Transformer shall be suitably mounted on rail including supplying & grouting of rail and locking the bidirectional flanged wheels of transformer. Note :- (1) G.A drawings to be got approved from E.I.C. (2) Tenderer shall hire transformer OEM commissioning team or their authorised representatives for installation, testing & commissioning of Transformers. (3) Use of crane and other tools & plants for assembly of transformer is included in the scope of item. (4) Routine tests & acceptance test on transformer shall be performed in presence of departmental engineers as per relevant specifications at works before despatch . Type test certificate as indicated in the specification shall be submitted along with GTP during tender evaluation stage. (5) The transformer shall conform to Energy efficiency level 2 as per IS 1180 (Part-1) : 2014. (6) Transformer shall meet all the technical requirement of specifications. (7) Filteration of transformer oil & OLTC at site, topping of oil after filteration including complete oil testing from NABL accredited lab , all as per relevant IS specifications & as per instructions of E.I.C are included in the scope of tender. (8) WTI/OTI setting for alarm & Trip shall be marked on marshalling Box by permanent Marker. (9) Neutral of Transformer shall be identified by name or Green Colour. (10) Size of cable & source from which supply is given to the equipment shall be written on terminal box of the Transformer. (11) The control cabling between marshalling box & RTCC with armoured Cu cable of min. 1.5sqmm size shall be included in the scope of work.

2.5 MVA, 33/0.433 kV transformer as per above description

Temperature rise test & Impulse test as per IS 2026 on 1 no transformer

Dry type Transformer: Supply, installation, testing and commissioning of Indoor air cooled Cast resin Dry type transformer 100 kVA 0.415/0.415 kV, 3 phase, 50 Hz, Dyn11 vector group, copper wound, class-F insulation , enclosed in MS CRCA powder coated enclosure of minimum 2 mm thickness with IP-23 degree of protection . Transformer winding shall be protected by means of winding temperature indicator/ controller actuated by means of resistance temperature detector embedded in LV windings. Spare RTD embeded in windings shall be wired and brought upto marshalling box. The transformer shall have cable end boxes on both sides suitable for 1 no. 3.5C x 95 sq.mm Al XLPE cable. The transformer enclosure shall be suitably mounted on M.S. channel including supplying and grouting of suitable M.S. channel with all accessories and confirming to IS 11171:1985 & as per specification attached & instructions of EIC. The transformer losses shall be as per ECBC-2017 latest revision.

Section -IV: LT PANELS

Design, manufacture, shop testing at works, supply, installation, testing & commissioning of floor mounting front operated front/ rear access, extensible type, complete design verified LT Switchgear Panel as per IEC 61439 with IP-42 protection, IK 10 rating and form 3b separation. suitable for use at 415 V, 3 phase 4 wire 50 Hz system, and to withstand a fault level as specified in SOQ. All switchboards shall have provision for entry of cables from the top/bottom as required. Control transformer of 415/240/110V, 1 KVA shall be provided, for supplying control AC power to Panel equipments and indications. The Panels shall have 2 nos. 110V DC bus fed from 2 nos. battery bank through DCDB & with changeover facility. The battery bank & DCDB is measured separately under item no. 9.1 of Section - IX. The powder coating colour shade for LT Panels shall be as follows:- 1. Panels fed from normal power supply - RAL 7035. 2. Panels fed from DG power supply - (Emergency) other shade as per instructions of EIC. (Please refer item no. 4.1 of Additional Notes sheet for Detailed Description).

Main LT Panel -1 : (Substation building):. (Please refer item no. 4.11 of Additional Notes sheet for Detailed Description).

400 kVar Capacitor Panel : (Substation building) -Non design verified assembly as per IEC 61439: . (Please refer item no. 4.12 of Additional Notes sheet for Detailed Description).

Station LT Panel : (Substation building): . (Please refer item no. 4.13 of Additional Notes sheet for Detailed Description).

Section -V: BUS DUCT :

Supply, Installation, Testing & Commissioning of readymade 415 V, 50Hz, triple pole & neutral totally enclosed, IP 54 for indoor mounting, 1.5 mm GI sheet steel clad, duly powder coated bus duct with compact sandwiched type insulated Aluminium bus bars having following configuration: a) Bus bar current rating : 4000A/ 2500A b) Bus bar configuration : 3 Phase + neutral Al bus bar. Neutral shall have 100% capacity. c) Symetrical short circuit rating :65 kA at 415 V d) External earthing : 2 nos 50 x 6 mm tinned copper strip to be measured under item 'Maintenance Free Earting' of Electrical Section respectively. The bus duct shall be complete with following components / accessories inclusive of joint covers as required,wall crossing unit with fire barrier, transposition units etc. as required & as per instructions of EIC & as per technical Specification. Any components/features etc not specifically mentioned but which are required functionally & for safety of system shall be inlcuded in scope of work without extra financial implication. The cost of supporting arrangement by MS angle, hangers, vertical supports etc. shall be included in the scope of work. Any components/features etc not specifically mentioned but which are required functionally & for safety of system shall be inlcuded in scope of work without extra financial implication. Note: 1) The horizontal/ Vertical elbow shall be measured seperately under item 'vertical elbow' & 'Horizontal elbow' as mentioned in below sub-section 5.113 & 5.123 below. The elbow shall not be measured in straight length feeder. 2) All routine, acceptance & temperature rise test of each rating of bus duct shall be carried out in manufacturer's factory in presence of departmental representatives.

For 4000A Bus Duct :

Copper braided flexible jumper for transformer and main LT Panel end connection. (1 set = RYBN)

Flange end unit Note: The scope shall include providing flange end box, if necessary, to match Panel & transformer end dimensions with flange dimensions etc. Rubber bellows shall be provided between flange end/box & transformer terminal box for vibration isolation.

90 degree Vertical/ Horizontal elbow

Straight length feeder

Wall crossing unit with 2 hours fire barrier

For 2500A Bus Duct :

Copper braided flexible jumper for ATS/ LT Panel end connection, Panel to Panel interconnection. (1 set = RYBN)

Flange end unit Note: The scope shall include providing flange end box, if necessary, to match Panel & ATS end dimensions with flange dimensions etc.

90 degree Vertical/ Horizontal elbow

Straight length feeder

Wall crossing unit with 2 hours fire barrier

Section - VI: FEEDER PILLAR :

Design, manufacture, supplying, fixing in position, testing and commissioning of feeder pillar with double door with detachable canopy, front operated, front access, 3mm thick MS CRCA sheet steel enclosed free standing, dust and vermin proof, Feeder Pillars with IP-55 protection with hinged and lockable doors complete with interconnections, copper crimping lugs, brass glands, bonding to earth and painting. Feeder Pillar shall be suitable for use at 415 volts, 3 phase 4 wire 50 Hz system, and with 25 kA short circuit capacity at 415 volts. All live accessible parts shall be shrouded and all equipment shall be finger touch proof. The busbar insulation shall be with heat shrinkable sleeves. SMC/DMC shrouds and busbar supports shall be used. Padlocking facility shall be provided. Scope includes suitable angle iron frame work for mounting arrangement 600 mm above ground level necessary grouting, PCC base etc. Also scope incudes enclosing the supports by 3 mm thick MS CRCA sheet steel all around with detachable covers, etc all as per specification and instructions of E-I-C. Note: 1) The MCCBs shall be provided with thermal magnetic based overcurrent & short circuit release. 2) MCCBs shall be of minimum 25 kA Ics breaking capacity. 3) All Feeder Pillars shall be provided with RYB indication lamps (heavy duty LED cluster type) with HRC protection fuses.

Feeder Pillar-1 for Gate house Incomer :- i) 4P, 400 A MCCB - 1 no. ii) 3 nos 400/5 A ratio, class-1, 5 VA burden cast resin current transformer iii) Digital Multifunction meter with communication facility - 1 No. Bus bar : 400 A TPN tinned copper bus bar having maximum current density of 1.24 A/sq.mm to withstand symmetrical fault level of 25 kA at 415 V. The neutral bus bar shall have 100% capacity Outgoings :- i) 4P, 200, MCCB - 1 nos. ii) 4P, 125A, MCCB - 4 nos. iii) 4P, 63A, MCCB with following components -1 No.: a) 1 no. 63A TP contactor b) 1 no. Auto/Manual switch c)1 set 240 V modular astronomical digital time switch d) 1 set ON/OFF push button e) 1 set ON/OFF indication lamps f) 4 Nos. 25-32A FP MCB (D-curve). The feeder shall be complete with suitable size interconnection PVC FRLS Cu. Wires and auxiliary contactor for contact multiplication, if required.

Feeder Pillar (Near Central building parking) : Incomer :- i) 250A TPN Changeover Switch - 1 no. ii) 3 nos 250/5 A ratio, class-1, 5 VA burden cast resin current transformer iii) Digital Multifunction meter with communication facility - 1 No. Bus bar : 250 A TPN tinned copper bus bar having maximum current density of 1.24 A/sq.mm to withstand symmetrical fault level of 25 kA at 415 V. The neutral bus bar shall have 100% capacity Outgoings :- i) 4P, 100A, MCCB - 2 nos. ii) 4P, 63/40A MCCB - 3 nos. iii) 4P, 63A, MCCB with following components -1 No.: a) 1 no. 63A TP contactor b) 1 no. Auto/Manual switch c)1 set 240 V modular astronomical digital time switch d) 1 set ON/OFF push button e) 1 set ON/OFF indication lamps f) 4 Nos. 25-32A FP MCB (D-curve). iv) 4P, 63A, MCCB each with following components -2 Nos.: a) 25A, DP, 30mA Hpi RCBO - 9 nos. The feeder shall be complete with suitable size interconnection PVC FRLS Cu. wires and auxiliary contactor for contact multiplication, if required.

Section - VII: LT CABLES & END JOINTS

L.T Cables: Supply, installation, testing & commissioning of 1.1 kV grade aluminium/ Cu stranded circular/ sector shape core conductor with XLPE insulation, extruded PVC inner sheathed, G.I flat strip/wire armoured, extruded FRLS grade antirodent & anti termite PVC (ST-2)outer sheathed cable conforming to IS : 1554 Part I / IS 7098 Part-I with latest amendments, fixed on wall/column/slab/false ceiling / existing cable tray /existing hume pipe/trench/ shaft/pit/ on 5mm thick M.S. flat /GI spacer/angle/ support fixed with coach screws/grouted in wall/anchor fasteners 2mm. thick G.I. fabricated saddle, all fixing accessories, etc complete including painting of M.S spacers/angles and saddles or in ground , sand bedding, laying of baked bricks on side & top-, temporary reinstatement, back filling, dewatering, consolidation, disposal of excess earth within the radius of 500 m and making good to the original finish etc providing Al cable tag as per enclosed detailed specifications, drawings & as per instructions of the E-I-C & of the following sizes. NOTE: 1) Excavation of earth shall be measured under item no.1.0 of Section-XII. 2) Sealing of hume pipes with wooden bushes after cable laying shall be included in the scope of work. 3) Clamping of cables on trays including supply of clamping materials as per instruction of EIC shall be included in the scope of work.

3.5C x 300 Sq.mm Al. conductor cable

In ground

On wall/ slab/ column/false ceiling/existing cable tray/existing hume pipe/trench/shaft/pit etc

3.5C x 185 Sq.mm Al. conductor cable

In ground

On wall/ slab/ column/false ceiling/existing cable tray/existing hume pipe/trench/shaft/pit etc

3.5C x 95 Sq.mm Al. conductor cable

In ground

On wall/ slab/ column/false ceiling/existing cable tray/existing hume pipe/trench/shaft/pit etc

4C x 25 Sq.mm Al. conductor cable

In ground

On wall/ slab/ column/false ceiling/existing cable tray/existing hume pipe/trench/shaft/pit etc

4C x 16 Sq.mm Al. conductor cable

In ground

On wall/ slab/ column/false ceiling/existing cable tray/existing hume pipe/trench/shaft/pit etc

4C x 6 Sq.mm Al. conductor cable

On wall/ slab/ column/false ceiling/existing cable tray/existing hume pipe/trench/shaft/pit etc

LT Cables End Joints End jointing of following sizes of cable by crimping with supply of all jointing materials like solderless tinned copper cable socket, double compression brass cable glands, gland earthing, insulation tape, flux, duplicate interconnection between gland earthing strip & to the nearest earthing bus terminals as per the drawings, specifications and as per the instructions of the Engineer-in-charge.

3.5C x 300 Sq.mm Al. conductor cable

3.5C x 185 Sq.mm Al. conductor cable

3.5C x 95 Sq.mm Al. conductor cable

4C x 25 Sq.mm Al. conductor cable

4C x 16 Sq.mm Al. conductor cable

4C x 6 Sq.mm Al. conductor cable

LT Straight Through Cable Joints : Supply,installation and termination for 1.1 kV voltage grade Aluminium conductor armoured XLPE insulated cable including heat shrinkable jointing kit complete with tinned copper ferrules, all accessories and materials required to make complete joint as required and as per technical specification & as per instruction of EIC.

3.5Cx185 to 300 Sq.mm XLPE Al conductor cable

Section -VIII: MAINTENANCE FREE EARTHING SYSTEM :

Supply, installation, testing & commissioning of maintenance free earthing system & associated works, etc. complete as per specifications & instructions of E-I-C. NOTE: 1) Measurement of resistance of earthing grid must be carried out as per instructions of EIC.

Providing and making earth station comprising of 17 mm dia 3m long earthing electrode of high tensile low carbon steel rod molecularly bonded 250 micron copper coating on the outer surface, UL listed, filling bore with suitable earth enhancement compound as per IEC 62561-7 & manufacturer's standard, surrounding the earth electrode complete with all required materials & instructions of EIC. Note: The scope includes :- 1) Installation of earth rods including making pit/ drilling 150 mm dia, 3m deep bore holes in normal soil/ hard rock as per manufacturer's recommendations & design. 2) Exothermic welding of joints between earth electrode & GI / tinned Cu strip and between GI / tinned Cu strips, used for interconnection of earth electrodes. 3) Each earth electrode shall be provided with poly plastic inspection chamber with cover as per OEM standard.

Supply & installation of 37 x 6mm & 150 mm long GI equipotential bar inside existing concret chamber (600 x 600 x 600 mm) as per instructions of EIC. (For housing lightening Equipotential bar) Note: 1) The date of testing and earth resistance value shall be written on the cover with black base with yellow paint. 2) The concrete chamber shall be measured under relevant items of Section-XV & MS hinged cover under item no. 10.04 of Section-X.

Supply & installation of 50 x 6mm & 150 mm long tinned Cu equipotential bar inside existing concrete chamber (600 x 600 x 600 mm) as per instructions of EIC. (For housing Substation equipment Earthing Equipotential bar and individual trafo & DG neutral earthing equipotential bar) Note: 1) The date of testing and earth resistance value shall be written on the cover with black base with yellow paint. 2) The concrete chamber shall be measured under relevant items of Section-XV & MS hinged cover under item no. 10.04 of Section-X.

Supply & installation of discharge gap device with parallel connected surge voltage protector to couple different earthing system similar to M/S OBO make FS-V20 or equivalent in fibreglass reinforced polyester enclosure IP 65 & IK08 of size 200 (H) x 250 (W) x 115 (D) mm similar to M/s Spelsberg cat no. Abox-i 250. Note: 1) The enclosure housing discharge gap device shall be installed in concrete chamber housing equipotential bar. 2) The scope includes interconnection of equipotential bars of lightning & body earthing with suitable size flexible Cu conductor with bimetallic lug at one end as per site & instructions of EIC.

G.I / tinned Cu earth wire/earth strip fixed on wall/side of trench/slab /column /beam/ shaft connection to panel/ DBs/SFU's etc. with 5mm thick G.I. Spacers & 2mm thick G.I. Saddle or in ground at 500 mm below with earth enhancing material surrounding the strip, including excavation in ground, refilling & removal of excess earth within a radius of 500 m, temporary instatement & back filling of trench, consolidation, painting with two coats of black bituminous paint for earth wire/ strip in ground & green enamel paint for earth wire /strip on surface etc.

50 X 6 mm tinned copper strip

25 X 6 mm tinned copper strip

25 X 3 mm tinned copper strip

4 SWG tinned Cu earth wire

8 SWG tinned Cu earth wire

Section-IX: SUBSTATION EQUIPMENTS :

Battery & Battery Charger : Supply, installation, testing & commissioning of tubular type VRLA gel battery set comprising of 55 cells of 2 V, 100 AH capacity at 10 hr rate of discharge compete with inter cell connectors, etc. and including suitable battery charger cubicle panel, indoor type, IP 42, floor mounted intended to operate on 415 V 50 Hz 3 phase, 4-wire incoming supply. The charger unit shall be complete with float charger & boost charger along with relays, contactor, switches, Ammeter, voltmeter etc complete as required & as per manufacturers standard design. The scope includes supply of DCDB which shall be common for both battery banks with 2 nos. incomer, 1 no. bus coupler arrangement and 8 nos. outgoings MCB.

Insulating Mat :

Supply and fixing in position of 'C' class ELASTOMER' insulating mat for protection to operators for working voltages upto 65 KV as per IS 15652 - 2006 of 2000 mm (W) as per instructions of EIC.

Supply and fixing in position of 'A' class ELASTOMER' insulating mat for protection to operators for working voltages upto 3.3 KV as per IS 15652 - 2006 of size 1000mm (W) as per instructions of EIC.

Safety Equipment: Providing and fixing danger plates made of mild steel atleast 2 mm thick & vitreous enameled white on both sides and with inscriptions in single red colour on front side as required.

High voltage size 250 mm x 200 mm

Medium Voltage size 200 mm x 150 mm

Providing and fixing carbon di-oxide (CO2) type fire extinguishers conforming to IS 15683 and cylinders fully charged of 4.5kg capacity.

Supply and fixing of foam fire extinguishers, portable type 9 litres capacity ( IS 15683) hanged on wall with bracket complete as required.

Supply & fixing of ABC type Fire extinguisher (IS 15683) - 5 kg capacity

Supply and fixing safety instruction chart in three languages with necessary lamination mounted on wooden frame with 5 mm thick glass as required ( approx front area 1.20 sq.mt)

Supply and fixing of electric schematic as built drawing (A0 size) in AUTOGLO with Al frame & as per instructions of E-I-C

Supply & erection of canopy type MS structure made of 40 NB medium MS pipe as per IS 1239 grouted in 1:2:4 PCC foundation, 25 x 25 x 3 mm angle iron framework and 14 SWG GI sheet covering and providing 4 nos 9.5 litre capacity GI bucket painted in post office red colour with prior coat of red-oxide paint with written with white paint 'FIRE' and including filling with clean sand, complete as required & as per instructions of EIC.

Providing fire aid box as approved by St. John Ambulance Brigade/Indian Red Cross conforming to IS 2217-1963 including necessary wall mounting MS frame etc. as required.

Supply and fixing shock treatment chart in three languages with necessary lamination mounted on wooden frame with 5 mm thick glass as required ( approx front area 1.20 sq.mt)

Supply of pedestal type sign board for substation of size 1530 mm x 900 mm fabricated out of 50 mm x 50 mm x 5 mm angle including providing and fixing 900 mm x 600 mm x 1.6 mm MS sheet duly welded , painted and printing as desired and fixing in ground complete as required & as per instructions of EIC.

Supply & fixing of display board for sub-station of 5 mm perspex sheet including printing on the sheet etc and fixing the same on door/wall complete as required and as per the instructions of E-I-C.

Supply of artificial respirator as per Director General of Medical Supplies , Govt of India , required as per IE Rule no. 44

Supply of HT rubber gloves & gum boots of approved quality suitable for use at 33kV, confirming to relevant statutory regulations, IS as required & as per instructions of EIC.

Supply & fixing 'NO SMOKING' & RESTRICTED ZONE' AUTOGLO' sign boards 150 mm (H) x 400mm (W) in three language with Al. frame as required & instructions of EIC.

Section - X: MISCELLANEOUS ITEMS :

CABLE TRAYS AND CABLE MANAGEMENT SYSTEM : Supplying and fixing following sizes of GI wire mesh tray, hot dipped galvanised between 60 and 80 microns of zinc as per BS 729 carbon Steel cable trays including horizontal and vertical bends, reducers, tees, cross members and other accessories as required, and duly suspended from the ceiling with electro-zinc coated TF rods, wall mounting brackets etc.

150mm width x 100 mm depth

300mm width x 100 mm depth

500mm width x 100 mm depth

Cable Marker : Supply, installation of oval/circular shaped G.I cable marker engraved as "LT/HT Cable/HT straight through joint" complete with 32mm dia NB medium G.I pipe support as per IS 1239 with 1:2:4 PCC base concreting, G.I nut bolts, including excavation in all types of soil upto required depth and refilling etc all as per drawing, specifications and as per the instructions of E.I.C.

M. S. Boxes : Fabrication, supply and installation of M.S. boxes with 2 coats of primer & 2 coats of enamel / PU paint as per instructions of EIC.

MS Fabrication : Supply, fabrication and installation of supports using MS channel/angle / flat/ MS rod hangers etc.including cutting, fabrication, welding etc. and painting with two coats of primer and two coats of enamel/ PU paint of approved shade as per instructions of EIC.

Supply, installation of GI pipe of B class sleeves in beams/column/slab for passing electrical cables/conduit as per instruction of E-I-C.

40 mm dia

60 mm dia

80 mm dia

Blank MS/PVC (HMS) Conduits : Supply & installation of high mechanical stress (HMS) rigid PVC conduit having ISI marked IS 9537 Part - 3, including fixing accessories & hardware concealed /exposed in slab/wall or on 5mm. thick G.I. spacers fixed with no. 10 nettle fold wood screws with nylon plug complete with all conduit accessories 20 SWG G.I. Saddles, MS/PVC pull out boxes, MS/PVC junction boxes, couplers, bends binding wires etc. as per site condition & as per instructions of E-I-C and of following sizes :-

25 mm dia

32 mm dia

40 mm dia

Supply, fixing & installation of pre mixed & ready to use M/s. HILTI make firestop foam CP 620 in 300ml bottle for sealing openings in electrical shafts, Telephone shaft, raceways & cutouts, hump pipes & where ever required & as per instruction of EIC.

Supply, fixing & installation of pre mixed & ready to use M/s. HILTI make firestop mortar CP 636 for sealing openings in electrical shafts, Telephone shaft, raceways & cutouts, hump pipes & where ever required & as per instruction of EIC.

Supply & laying of 50/42 mm OD/ID self lubricated HDPE pipes in ground at depth of 600 mm including excavation in all types of soil including hard rock if any cutting of existing footpath, road etc, sand bedding, laying of warning tape on top, temporary reinstatement. back filling, dewatering if necessary consolidation, disposal of excess earth with in the radius of 500 m etc. or fixed on wall/column/slab with 5mm thick M.S. flat /GI spacer/angle/ support fixed with coach screws/ grouted in wall/anchor fasteners 2mm thick G.I. fabricated saddle, all fixing accessories, etc complete including painting of M.S spacers/angles all as per the attached work specification and instructions of EIC. Note: 1) The scope of work includes HDPE pipe accessories such as couplers, cable end plugs, cable sealing plugs etc. 2) The excavation shall be measured under item no. 12.01 of Section-XII.

In ground

On wall/ slab/ column/false ceiling/existing cable tray/existing hume pipe/trench/shaft/pit etc

Optical Fibre Cable (OFC) : Supply, installation, testing & commissioning of 48 Core, 9/125 µm, single mode armoured multi tube OFC in existing 50/42 mm OD/ID self lubricated HDPE pipes in ground or fixed on wall/column/slab including terminations on existing LIU etc. as per instructions of EIC. Note: The HDPE pipe shall be measured under item no. 10.09 above.

OFC Connection accessories in Network Rack : Supply, Erection, termination, testing and commissioning in inside the Wall mount / Floor Rack, following OFC connection accessories comprising of following items with suitable quantity required to complete fibre connectivity : a) 24 port fully loaded LIU - 2 nos. b) SC/LC Single mode OFC pigtails - 4 nos. c) SC to LC Single mode OFC patch chords (3m) - 2 nos. f) Any other accessories required to complete connection.

Telephone cables : Supply, installation, testing & commissioning of telephone cable with copper conductor, PE insulated, cores twisted, G.I. wire/strip armoured, PVC sheathed cable fixed on wall/column/slab/false ceiling / existing cable tray /existing hume pipe/trench/ shaft/pit/ on 5mm thick M.S. flat /GI spacer/angle/ support fixed with coach screws/grouted in wall/anchor fasteners 2mm. thick G.I. fabricated saddle, all fixing accessories, etc complete including painting of M.S spacers/angles and saddles or 750 mm in ground , sand bedding, laying of baked bricks on side & top-, temporary reinstatement, back filling, dewatering, consolidation, disposal of excess earth within the radius of 500 m and making good to the original finish etc providing Al cable tag as per enclosed detailed specifications, drawings & as per instructions of the E-I-C & of the following sizes. NOTE: 1) Excavation of earth shall be measured under item no.12.01 of Section-XII. 2) Sealing of hume pipes with wooden bushes after cable laying shall be included in the scope of work. 3) Clamping of cables on trays including supply of clamping materials as per instruction of EIC shall be included in the scope of work.

0.5 mm dia 100 pair Telephone cable : In ground

0.5 mm dia 100 pair Telephone cable : On wall/ slab/ column/false ceiling/existing cable tray/existing hume pipe/trench/shaft/pit etc

0.5 mm dia 50 pair Telephone cable : In ground

0.5 mm dia 50 pair Telephone cable : On wall/ slab/ column/false ceiling/existing cable tray/existing hume pipe/trench/shaft/pit etc

0.5 mm dia 20 pair Telephone cable : In ground

0.5 mm dia 20 pair Telephone cable : On wall/ slab/ column/false ceiling/existing cable tray/existing hume pipe/trench/shaft/pit etc

Telephone Cables End joints: End jointing of Telephone cable with all jointing materials like cable gland, ferrule lugs, ferrule numbers, wire dressing clamps/button tapes, etc. complete including all jointing materials and with necessary special tool kit for KRONE type connector and as directed by E-I-C.

0.5 mm dia 100 pair Telephone cable

0.5 mm dia 50 pair Telephone cable

0.5 mm dia 20 pair Telephone cable

Telephone Tag Block (TTB) : Supply, installation, testing & commissioning of following readymade Krone connector telephone tag block box, MS CRCA sheet, concealed/surface mounted on MS frame of size 40 x 40 x 5mm and grouted on the wall/fixed on the column free standing type with anchor fasterners, cable end/wire way box, if required, with adequate space facility to be provided in the TTB, with front operable hinged door, neoprene rubber/cork gasket for joints, wire bunching clamps , name plate etc. all as per standards, specification, drawing & instructions of E.I.C. Note: 1) Point distribution diagram shall put in side the DB with polythene protective cover. 2) All fabrication drawings shall be got approved.

500 pair telephone tag box : A set consisting of : 1)Disconnection module 2 /10 --> 50 nos. 2)Back mounting frame - 2/11 -->5nos (C.T. box with mounting bracket ) 3. Transparent dust cover --> 5 nos. complete with all accessories 4. Label Holder - 5 nos.

Section -XI: LIGHTNING PROTECTION SYSTEM :

Lightning Protection System : (For existing SNSS, Substation & ChillerPlant Building)

Supply, installation, testing & commissioning of stainless steel fixing clamp for 0.5 m & 8 mm dia air terminal rod and 8 mm dia roof conductor all as per standard EN 62561-2, complete as required & as per the instructions of Engineer-in-charge.

Supply, installation, testing & commissioning of stainless steel air termination rods of 1 m height and 10 mm dia with air terminal mounting arrangement : By 2 nos (minimum) of 6mm anchor fasteners to mount 10 MM SS air terminal on parapet wall all as per standard EN 62561-2, complete as required & as per the instructions of Engineer-in-charge.

Supply, installation, testing & commissioning of aluminium clamp for connecting 1 m air terminal rod to 8 mm SS conductor with clamping range of air-termination rod of 8-10 mm & clamping range rod of 2x 8-10 mm all as per standard EN 62561-1 & instructions of EIC.

Supply, installation, testing & commissioning of 8 mm dia stainless steel rod for roof & down conductors all as per standard EN 62561-2 fixed on roof/wall/slab/ column etc. as per instructions of EIC. Note: 1) The Roof conductor holder shall be measured separately under item no. 11.15 & 11.16 2) The down conductor holder shall be measured separately under item no. 11.15

Supply, installation, testing & commissioning of stainless steel conductor holder with plastic base for parapet/wall with conductor holder support of 8-10mm, approx 20 mm height & M8 thread all as per standard EN 62561-4 & instructions of EIC.

Supply, installation, testing & commissioning of plastic roof conductor holders for terrace area with conductor holder support rod support of 8 mm, weight 1 kg, concrete block (C35/45) & dimension of 141X86X70 mm all as per standard & instructions of EIC.

Supply, installation, testing & commissioning of stainless steel cross connectors with clamping rod range 8-10mm and material of screw and nut of stainless steel all as per standard EN 62561-1 & instructions of EIC.

Supply, installation, testing & commissioning of stainless steel (V4A) cross connector for connections below ground with clamping flange range of 30/30mm and approx dimension 60X60X3 mm all as per EN 62561-1 standard & instructions of EIC.

Supply, installation, testing & commissioning of Al expansion piece of 8 mm dia and approx. 395mm length including MV clamp for roof conductor connection all as per standard EN 62561-2 & instructions of EIC.

Supply, installation, testing & commissioning of stainless steel test clamp suitable for 8-10 mm clamping rod at one end & 30mm clamping flange at other end all as per standard EN 626561-1 & instructions of EIC.

Supply, installation, testing & commissioning of 30 X 3.5 mm stainless steel (V4A) earth strip for ground conductors all as per standard EN 62561-2 in ground as per instructions of EIC. Note: The excavation of earth shall be measured seperately under item no. 12.01 of Section-XII.

Supply, installation, testing & commissioning of stainless steel ground conductor holder with conductor holder support flange of 30 X 3.5 mm, height of conductor holder 20 mm, thread of conductor holder M8 & plastic base of ø 8 X 40 mm all as per standard EN 62561-4 & instructions of EIC.

Supply, installation, testing & commissioning of stainless steel conductor connector for earth strip and earth entry rod for 8 / 10 mm clamping rod at one end & 30mm clamping flange at other end with distances of screws 40mm all as per standard EN 62561-1 & instructions of EIC.

Section -XII: Civil Works: (Refer Specifications for Civil Works-2015)

In all soil other than soft and hard rock

In soft rock

In hard rock by chiselling or by using machine such as poclain with jack hammer etc.

Depth not exceeding 1.5 m from ground level

Depth exceeding 1.5 m & up to 3.0m from ground level

Depth not exceeding 1.5 m from ground level

Depth exceeding 1.5 m & up to 3.0m from ground level

Depth not exceeding 1.5 m from ground level

Depth exceeding 1.5 m & up to 3.0m from ground level

Cement concrete of specified grades at all locations & depths for the following works using graded stone aggregate of 20mm maximum size including necessary form work, machine mixing, transporting, placing in position consolidation, finishing, curing etc. complete as per specifications, drawings & as directed by the Engineer in charge. Nominal Reinforcement if provided shall be measured & paid under relevent item.

P C C M-10 grade in bed concrete to pile caps, foundations, pedestal etc.

P C C M-15 grade in sub base flooring, foundation in pedestals, cable pits, cable trenches, plinth protection etc.

Reinforced Cement Concrete (RCC) : Notes: i) Cement for structural works shall be OPC/PPC ISI marked and duly approved by the Engineer-in-charge ii) PPC/blended cement of ISI marked shall only be used for finishing works on prior approval of Engineer-in-charge. iii) All RCC work shall be controlled concrete unless otherwise specified and shall be carried out strictly in accordance with the drawings and specifications. iv)The rates for RCC works shall be exclusive of cost of reinforcement and form work unless otherwise mentioned. v) All coarse aggregate to be of 20mm. maximum size & uniformly graded unless otherwise mentioned. vi) For all RCC items, the rates quoted shall include the following without any extra cost to the Department. a)Spacers to maintain clear cover for reinforcement. b)Fixing at correct level and in proper alignment the inserts, pipe sleeves, pipe bends, hooks, other pipe specials etc. supplied by / through the dept. c) Making cutout whereever required including cutting the form works etc. d)Test for Concrete shall be done as per IS 456-2000. And the cost of the same shall be borne by the contractor.

Reinforced Cement Concrete of grade M-30 in foundation and plinth in all geometrical shapes at all levels and locations conformining to I.S. 456-2000 and 13920 latest edition, using 20mm. maximum size down graded stone aggregate including machine mixing, conveying, placing in position, mechanical consolidation, finishing the exposed surfaces with 6 mm thick cement plaster 1:4 with neat coat of cement mortar, curing, including centring shuttering etc. all complete as per specifications drawings and as directed by the Engineer in charge.

Extra for providing RMC (Ready Mixed Concrete) conforming to IS : 4926(latest) in lieu of conventional RCC and PCC items supplied by approved RMC manufactures for all type of structural elements/ RCC / PCC elements including transporting, pumping etc. complete as per instruction of the Engineer in charge. Notes: i) The contractor shall obtain prior approval for RMC manufacturer from Engineer in Charge. ii) The rate shall apply for all levels and locations including all type of structure etc. iii) Extra for RMC in lieu of conventional RCC and PCC of any grade mentioned elsewhere in shall be measured and paid under this item for substructure works.

Reinforcement for RCC work including supplying, delivering, storing of various diameters as required at site of work including loading, unloading, transporting, decoiling, straightening, cutting, bending, placing in position at all locations & levels and binding with 18 gauge, soft drawn annealed steel binding wire including carrying out various tests as required etc. all as per specifications, drawings & as directed by the Engineer in charge.

Thermo Mechanically Treated bars of grade Fe-500 D. Note: The cost of binding wire shall be borne by the contractor and binding wire shall not be measured for payment.

Brick masonry work in foundation and plinth, cable pits, trench, steps etc. using well burnt bricks from approved lot, of class designation 3.5 (classification as per IS 1077-1992 and min. average compression strength not less than 3.50 N/mm2 ) in C.M 1: 6 to correct line, level and plumb including raking out joints/simultaneous flush pointing with cement mortar 1:4, curing etc.complete as per specifications, drawings and as directed by Engineer in charge. Notes: i)One brick wall thickness shall be considered as 230 mm & lesser wall thickness if any shall be made up accordingly by the contractor by applying cement mortar of mix 1:4 in proper line, level & plumb without any extra cost to the department. ii) The rate shall include cost of making the brick masonry to all geometrical shapes and sizes without any extra cost to the Department. (iii)The contractor shall get approved the samples of bricks from the Engineer-In- Charge before procurement on large scale and shall maintain the same for the entire work. iv) Necessary Openings/nitches/cut-outs, wherever required as per drawings and asked for by the Engineer-In-Charge, shall be provided by the contractor without any extra cost.

15mm thick cement plaster 1:4 in single coat at all locations to correct line, level, plane and plumb for cable pits trenches, chambers, steps etc., finished smooth with neat cement finish, including preparing the surface, scaffolding, curing etc. all complete as per drawings, specifications and as directed by the Engineer in charge.

Supply & installation of 250 mm dia heavy duty RCC Hume pipe of class 'NP3' to be laid in ground/from concrete cable trench to ground, for passing of cables with necessary joints, concrete supports. Scope includes escavation below ground level in all types of soil/concrete road cutting/foot path cutting, nallah cutting /any RCC wall/floor cutting including back filling, dewatering, consolidation, reinstatement of excess earth within the radius of 500 m and original, disposal making good to the original finish etc. spare space of hume pipes after cable laying and spares hume pipes shall be sealed properly with fireproof materials.

Supply & laying of 225 mm dia (OD) HDPE pipe of PE 80 grade & PN8 rating in ground at depth of 750 mm to 2500 mm, as per site condition, by trenchless horizontal directional drilling (HDD) including making entry & exit pits, dewatering if necessary, backfilling etc. as per route finalised and instructions of EIC. Note: i) The cost of electricity & water for HDD machine shall be borne by contractor. ii) If any existing utility services line is detected at digging depth, the contractor shall carry out HDD at higher & adequate depth to avoid damage of such existing utilities & no extra payment shall be made for digging at higher depth.

Power and Instrumentation Guj. Ltd.

EVERCREST PROJECTS PVT LTD.

HITECH ERECTORS PVT. LTD.

Konstelec Engineers Pvt. Ltd.

S.L. ELECTROMECH PVT. LTD.

EKTA ELECTRICALS

SNS TECHNOCORP PRIVATE LIMITED

Ethos Power Private Limited

Naresh Agarwal Constructions Pvt Ltd

ABSOLUTE PROJECST (INDIA) LTD

Power and Instrumentation Guj. Ltd.

EVERCREST PROJECTS PVT LTD.

HITECH ERECTORS PVT. LTD.

Konstelec Engineers Pvt. Ltd.

S.L. ELECTROMECH PVT. LTD.

EKTA ELECTRICALS

SNS TECHNOCORP PRIVATE LIMITED

Ethos Power Private Limited

Naresh Agarwal Constructions Pvt Ltd

ABSOLUTE PROJECST (INDIA) LTD