SPECIAL REPAIR REPLACEMENT OF 4 POLE HT STRUCTURE HT SUPPLY SYSTEM WITH OUTDOORS TYPE VCB CUM RMU AND OUT DOOR TYPE MODERN HT SWITCH GEAR UNDER GE I NAVY JAMNAGAR

Amount

Demolition of brickwork or stone/boulder masonry, built in cement mortar including all quoins, arches, pillars, etc and removal of entire debris as ordered outside MD land complete all as directed.

Dismantling the existing HT 11 Mtr four pole structure complete along with any size & type of cross arm sections, insulators, ACSR busbar of any size, GOD, any size of HT cable (upto 20Rm ) approx etc and relaying the same at new route as required at side as ordered and staking the dismantled items at site or other location where directed by Engineer-in-charge for safe custody complete all as directed. Note: (i) Excavation & earth work for relaying cable shall be measured & paid under relevant items of this BOQ. (ii) Care should be taken so that damage the existing LT/ HT cable network should not be disturbed/ damaged.

Dismantling the existing HT 11 Mtr two pole structure complete along with any size & type of cross arm sections, insulators, ACSR busbar of any size, GOD, any size of HT cable (upto 20Rm ) approx etc and relaying the same at new route as required at side as ordered and staking the dismantled items at site or other location where directed by Engineer-in-charge for safe custody complete all as directed. Note: (i) Excavation & earth work for relaying cable shall be measured & paid under relevant items of this BOQ. (ii) Care should be taken so that damage the existing LT/ HT cable network should not be disturbed/ damaged.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth for foundation, laying of pipe line, Cable etc and getting out in soft/ loose soil complete all as specified and directed.

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

Removing excavated surplus soil to a distance not exceeding 50 mts and depositing where directed at a level not exceeding 1.5 M above the starting point complete all as directed.

M & L for PCC 1:4:8, type D2 (using 40 mm graded crushed stone aggregate) as in foundation filling mass concrete complete all as specified and directed

M&L M-35 grade, 60 mm thick machine pressed, PVC moulded precast cement concrete interlocking paver blocks any shape and size with grey cement and pigment confirming to IS: 15658-2006, laid over and including 50 mm thick compacted sand cushion complete complete all as specified.(Note: Quoted rate is deemed to be inclusive of 50 mm thick compacted sand cushoning).

M&L river sand cushioning for cable protection in trenches 8 cm before laying cable and 15 cm deep over the cable. Note: Thickness after punning shall be measured for payment.

Taking out existing cable cover/ bricks and Supplying and laying unreinforced precast cement concrete cable covers, ISI Marked Class HV, Flat, Type-1 of size 300mm x 180mm x 40mm in trenches for cable protection, embossed with "ELECTRIC" on the top surface complete all as specified and as directed.

Supplying, laying and commissioning of HT XLPE cables, insulated, screened, PVC bedded, galvanized steel strip armoured, earthed, electric power cable with Aluminium conductor, 11 KV grade, 3 Core, 95 Sq.mm cross sectional area laid in trenches / fixed on poles including taking down old cables complete all as specified and as directed. Note: Earth work,excavation,cable covers and sand cushioning shall be measured and paid separately.

Material and labour for cable jointing kit for 11kV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 11 kV 3 Phase, AC, 50 Hz core XLPE armoured aluminium conductor cable of size 95 to 120 Sqmm with complete jointing materials & accessories and finally testing after jointing all as specified and directed.

Material and labour for cable jointing kit for 11kV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 11 kV 3 Phase, AC, 50 Hz core XLPE armoured aluminium conductor cable of size 95 to 120 Sqmm with complete jointing materials & accessories and finally testing after jointing all as specified and directed.

Material and Labour for heat shrinkable HT, 11 KV, outdoor type, cable straight through joint suitable for 11 kV, 3 Phase, AC, 50 Hz, 3 Core, 95/120 Sq.mm, XLPE Cable including jointing materials etc complete all as specified and as directed by EIC.

Supply, install, testing and commissioning of 11 kV, 630 Amps, 21 kA/ 3 Sec, SF6 insulated CCVVV, outdoor Non-Extensible fixed type (IP54), RMU (Ring Main Unit) 5 way compresing of 02 Nos 630Amps, motorized operated Load Break Switch & 03 Nos motorized charging fixed type Vaccum Circuit Breaker, inside robotically welded stainless steel 304 (Non Ferrite Non Megnetic Grade) tank having min thickness 3+0.5 mm wih IP 67 Degree of protection and enhanced BIL of 95kvp internally to manage surges. RMU should be provied with internal busbars, as well as earthing busbars of electrolytic grade copper, padlock provisions & complete with all accessories. The RMU shall be type tested for Internal arc test of AFL 21ka/1 Sec for tank as per IEC62271-200. RMU shall have on-site-repairability features such as site replaceble bushing/ coupling/ mechanisum and gas refilling at site. The earthing busbar shall be provided inside each cable compartment for soilid earthing of Cable sheilds. The outer hinged main door should cover entire front of switchgear including cable doors for providing fail-safe protection. The unit shall include the following with all necessary fitting as required at site complete all as specified and as directed by the Engineer-in-Charge. Incuding PCC foundation as recommended by manufacturer. Location: CEE Make:- ABB, Schneider, Siemens (A) 02 Nos Incoming and outgoing Load Break Switch module consisting of following accessories:- (i) 11 kv, 630A Load Break Switch modual and integrated earting switch , both with full making capacity. (ii) Short time current - 21KA/3-sec, Making Capacity - 52kAp (iii) Auxiliary contacts - 1 No+ 1 NC (iv) Spring-assisted snap-action mechanism drive via motor and manual operation . (v) Cable boxes with double-door arrangement for enhanced safety (IP54+IP3X) interloked to prevent acces to 3C x 300 Sqmm XLPE AL cable termination in live-condition. (vi) Right angle boots (push on type) (vii) Suitable site replacable cable bushings situated not beyoned 300mm from cable-cover to allow ease of access for installation /testing /replacement purposes. (viii) Cable cover with self Interlocking mechannism with earth switch (ix) Capacitive voltage indication fixed type system as per IEC61243.

Item No. 15.00 Contd/.. (B) 03 Nos Outgoing Breaker module consisting of follwing accessories:- (i) 11 KV , 630A fixed-type Vaccum Circuit Breaker Module for making and breaking of fault current alongwith disconnector+Earth Switch of full making capacity. (ii) Short time current - 21KA/3 Sec, Making Capacity - 52kAp (iii) Auxiliary contacts - 1No+1NC (iv) Stored Enegry mechanism with manual and motorized spring-charging,associated closing/tripping coils integrated non-removable spring-charging handle and ON/OFF push buttons mechanically latched to the mechanism. (v) Interlocked Cable box for front termination of the cable suitable upto 3 core 300 Sqmm, 11 KV XLPE Cable with double-door arrangement(IP54+IP3X). Safety interlocked to prevent access to cable termination in live-condition. (vi) Right angle boots (push on type) (vii) Numerical based self-powered OC+EF Protection Relay, providing OverCurrent (min Setting 20%),Earth - Fault (min setting : 10%) (viii) 03 Nos 100/1, 2.5VA epoxy insulated, Ring core CTs for protection (Acc.CI,5P10), installed away from bushings to prevent saturation of core. (ix) Suitable site replacable cable bushings situated not beyond 300mm from cable-cover to allow ease of access for installation/testing/replacement purposes. (x) Cable covers with self Interlocking mechanism between door, earth switch, disconnectors & VCB (a) Battery (24V DC) and battery charger (7.5A,230V AC/24V DC) (b) Capacitive voltage indication fixed type VPIS-9-15KV (c) Necessary interclocking arrangement for safety and operations. (d) One No Operation Handle for manual operation and one no manometer (e) Safety Interlocks shall be provided as per IEC/IS Standards and manufactures directions. (f) Above switchgear shall confirm to all relevant IEC/IS Standards. (g) Vaccum Interrupter should be of same make as RMU (h) Cable bushing should be replacable at site. (j) Minimum 5 module should accommodate in one tank to avoid multiple coupling at site.

Supply, install, testing and commissioning of 11 kV, 630 Amps, 21 kA/ 3 Sec, SF6 insulated CCVV, outdoor Non-Extensible fixed type (IP54), RMU (Ring Main Unit) 4 way compresing of 02 Nos 630 Amps, motorized operated Load Break Switch & 02 Nos motorized charging fixed -type Vaccum Circuit Breaker, inside robotically welded stainless steel 304 ( Non Ferrite Non Megnetic Grade) tank having min thickness 3+0.5 mm wih IP 67 Degree of protection and enhanced BIL of 95kvp internally to manage surges. RMU should be provied with internal busbars, as well as earthing busbars of electrolytic grade copper, padlock provisions & complete with all accessories. The RMU shall be type tested for Internal arc test of AFL 21ka/1 Sec for tank as per IEC62271-200. RMU shall have on-site- repairability features such as site replaceble bushing/ coupling/ mechanisum and gas refilling at site. The earthing busbar shall be provided inside each cable compartment for soilid earthing of Cable sheilds. The outer hinged main door should cover entire front of switchgear including cable doors for providing fail-safe protection. The unit shall include the following with all necessary fitting as required at site complete all as specified and as directed by the Engineer-in-Charge. Incuding PCC foundation as recommended by manufacturer. Location: 60 Civilians Make:- ABB, Schneider, Siemens (A) 02 Nos Incoming and outgoing Load Break Switch module consisting of following accessories:- (i) 11 kv, 630A Load Break Switch modual and integrated earting switch , both with full making capacity. (ii) Short time current - 21KA/3-sec, Making Capacity - 52kAp (iii) Auxiliary contacts - 1 No+ 1 NC (iv) Spring-assisted snap-action mechanism drive via motor and manual operation . (v) Cable boxes with double-door arrangement for enhanced safety (IP54+IP3X) interloked to prevent acces to 3Cx300Spmm XLPE AL cable termination in live-condition. (vi) Right angle boots (push on type) (vii) Suitable site replacable cable bushings situated not beyoned 300mm from cable-cover to allow ease of access for installation /testing /replacement purposes. (viii) Cable cover with self Interlocking mechannism with earth switch (ix) Capacitive voltage indication fixed type system as per IEC61243.

Item No. 16.00 Contd/.. (B) 03 Nos Outgoing Breaker module consisting of follwing accessories:- (i) 11 KV , 630A fixed-type Vaccum Circuit Breaker Module for making and breaking of fault current alongwith disconnector+Earth Switch of full making capacity. (ii) Short time current - 21KA/3 Sec, Making Capacity - 52kAp (iii) Auxiliary contacts - 1No+1NC (iv) Stored Enegry mechanism with manual and motorized spring-charging,associated closing/tripping coils integrated non-removable spring-charging handle and ON/OFF push buttons mechanically latched to the mechanism. (v) Interlocked Cable box for front termination of the cable suitable upto 3 core 300 Sqmm, 11 KV XLPE Cable with double-door arrangement(IP54+IP3X). Safety interlocked to prevent access to cable termination in live-condition. (vi) Right angle boots (push on type) (vii) Numerical based self-powered OC+EF Protection Relay, providing OverCurrent (min Setting 20%),Earth - Fault (min setting : 10%) (viii) 03 Nos 100/1, 2.5VA epoxy insulated, Ring core CTs for protection (Acc.CI,5P10), installed away from bushings to prevent saturation of core. (ix) Suitable site replacable cable bushings situated not beyond 300mm from cable-cover to allow ease of access for installation/testing/replacement purposes. (x) Cable covers with self Interlocking mechanism between door, earth switch, disconnectors & VCB (a) Battery (24V DC) and battery charger (7.5A,230V AC/24V DC) (b) Capacitive voltage indication fixed type VPIS-9-15KV (c) Necessary interclocking arrangement for safety and operations. (d) One No Operation Handle for manual operation and one no manometer (e) Safety Interlocks shall be provided as per IEC/IS Standards and manufactures directions. (f) Above switchgear shall confirm to all relevant IEC/IS Standards. (g) Vaccum Interrupter should be of same make as RMU (h) Cable bushing should be replacable at site. (j) Minimum 5 module should accommodate in one tank to avoid multiple coupling at site

Supply install testing and commissioning of HT 11 KV, 3 Phase, 50 Hz,totally inclosed metal clad SF6 switchgear having rupturing capacity upto 630 Amps, 21 KA / 3 Sec, SF6 insulated CCV, outdoor Non-Extensible fixed type (IP54),RMU (Ring Main Unit) 3-way compresing of 02 Nos 630Amps,motorized operated Load Break Switch & 01 Nos. motorized charging fixed -type Vaccum Circuit Breaker, inside robotically welded stainless steel 304 ( Non Ferrite Non Megnetic Grade) tank having min thickness 3+0.5 mm wih IP 67 Degree of protection and enhanced BIL of 95kvp internally to manage surges. RMU should be provied with internal busbars, as well as earthing busbars of electrolytic grade copper , padlock provisions & complete with all accessories. The RMU shall be type tested for Internal arc test of AFL 21kA/1 Sec for tank as per IEC62271-200. RMU shall have on-site- repairability features such as site replaceble bushing/coupling/mechanisum and gas refilling at site. The earthing busbar shall be provided inside each cable compartment for soilid earthing of Cable shields. The outer hinged main door should cover entire front of switchgear including cable doors for providing fail-safe protection. The unit shall include the following with all necessary fitting as required at site complete all as specified and as directed by the Engineer - in - Charge.Incuding PCC foundation as recommended by manufacturer . Location: 88 MAP, Old area, Logistic complex Make:- ABB,Schneider,Siemens (A) 02 Nos Incoming and outgoing Load Break Switch module consisting of following accessories:- (i) 11 kv, 630A Load Break Switch modual and integrated earting switch , both with full making capacity. (ii) Short time current - 21KA/3-sec, Making Capacity - 52kAp (iii) Auxiliary contacts - 1 No+ 1 NC (iv) Spring-assisted snap-action mechanism drive via motor and manual operation . (v) Cable boxes with double-door arrangement for enhanced safety (IP54+IP3X) interloked to prevent acces to 3Cx300Spmm XLPE AL cable termination in live-condition. (vi) Right angle boots (push on type) (vii) Suitable site replacable cable bushings situated not beyoned 300mm from cable-cover to allow ease of access for installation /testing /replacement purposes. (viii) Cable cover with self Interlocking mechannism with earth switch (ix) Capacitive voltage indication fixed type system as per IEC61243. (B) 01 Nos Outgoing Breaker module consisting of follwing accessories:- (i) 11 KV , 630A fixed-type Vaccum Circuit Breaker Module for making and breaking of fault current alongwith disconnector+Earth Switch of full making capacity. (ii) Short time current - 21KA/3 Sec, Making Capacity - 52kAp (iii) Auxiliary contacts - 1No+1NC

Item No. 17.00 Contd/.. (iv) Stored Enegry mechanism with manual and motorized spring-charging,associated closing/tripping coils integrated non-removable spring-charging handle and ON/OFF push buttons mechanically latched to the mechanism. (v) Interlocked Cable box for front termination of the cable suitable upto 3 core 300 Sqmm, 11 KV XLPE Cable with double-door arrangement(IP54+IP3X). Safety interlocked to prevent access to cable termination in live-condition. (vi) Right angle boots (push on type) (vii) Numerical based self-powered OC+EF Protection Relay, providing OverCurrent (min Setting 20%),Earth - Fault (min setting : 10%) (viii) 03 Nos 100/1, 2.5VA epoxy insulated, Ring core CTs for protection (Acc.CI,5P10), installed away from bushings to prevent saturation of core. (ix) Suitable site replacable cable bushings situated not beyond 300mm from cable-cover to allow ease of access for installation/testing/replacement purposes. (x) Cable covers with self Interlocking mechanism between door, earth switch, disconnectors & VCB comprising as under: (a) Battery (24V DC) and battery charger (7.5A,230V AC/24V DC) (b) Capacitive voltage indication fixed type VPIS-9-15KV (c) Necessary interclocking arrangement for safety and operations. (d) One No Operation Handle for manual operation and one no manometer (e) Safety Interlocks shall be provided as per IEC/IS Standards and manufactures directions. (f) Above switchgear shall confirm to all relevant IEC/IS Standards. (g) Vaccum Interrupter should be of same make as RMU (h) Cable bushing should be replacable at site. (j) Minimum 5 module should accommodate in one tank to avoid multiple coupling at site.

M&L earthing complete with galvanized steel earth plate as electrode 600x600x6 mm buried directly in ground vertically to a depth not less than 2.25 m below ground level with top edge of earth plate at a depth not less than 1.5 m below ground level connected using galvanized iron earth lead strip 32x6 mm as earthing lead by means of bolts, nuts, check nuts and washers of GI earth lead strip protected by Gl light grade pipe 40 mm bore, including provision of concrete pit of PCC 1:2:4, type B1 (using 20 mm graded stone aggregate) with 40 mm thick cover of RCC 1:2:4 reinforced with 8 mm dia TMT bars reinforced at 100 mm C/C both ways and handle of 8 mm dia MS bar made to shape, GI light grade 20 mm bore pipe for watering perforated at bottom, 2 m long placed on top edge of earth plate, char coal and common salt filling test point made out of 40x8 mm flange with fixing arrangement, funnel, wire mesh and earth work in any type of soil, returning, filling in and removal of surplus soil to a distance not exceeding 50 m all as per electrical Plate No. 3 of SSR Part I and connected to earth test point, including taking down existing earthing all as specified and as directed including testing on completion.

S&F 100 mm bore GI tubing light grade (ISI Marked) including necessary fittings such as bend, tee, elbow etc complete laid in trenches/ fixed on walls complete all as directed.

All same as per item No. 19 here-in above but 80 mm bore of pipe -do-

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