PROVISION OF DEFICIENT TRANSFORMERS FOR RMU AND HT DISTRIBUTION SYSTEM AT AF STN CHANDIGARH UNDER GE (AF) MC CHANDIGARH

Amount

Supply, installing, testing and commissioning of Indoor type step down transformer of 11000/433 volts (at no load), AC, 3 phase 50 Hz capacity 100 KVA core type copper wound, EE level-2 oil immersed, naturally cooled, oil natural, air natural (ONAN) with external cooling tubes, delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector symbol DYN – 11 (vector Group) with neutral brought out on secondary side (LV side ) and having tapping at ± 5% HV side to be changed by means of hand operated off load tap changer gear. The maximum temperature rise should not exceed 45 degree Celsius in oil and 55 degree Celsius in HV/LV winding when measured by resistance method (Necessary test certificate carried out at factory site to be produced) after continuous full load run on an ambient temp of 40 degree Celsius. The transformer shall be IS 1180-2014 latest marked and shall comprise of the following :-

(a) 3 Nos porcelain bushing with arcing horn on HV side suitable for 11 KV complete with bushing, copper rods, nut and washers (b) One cable box on LT side (secondary side) and one on HT side (Primary Side) consisting of 04 Nos of porcelain bushing with copper rods, complete with nuts and washers with two Nos cable glands suitable for XLPE insulated heavy duty armoured cable including glands, joint and jointing material complete (c ) Oil conservator with filter type drain valve and oil level gauge. (d) De-hydrating breather with first fills dehydrating agent (silica gel) (e) Explosive vent. (f) Thermometer pocket on tank cover (g) One No 100 mm dia, dial type thermometer, vapour pressure type having range 0-120 degree Celsius with metal guard having maximum perimeter reading temperature indicator with resisting device for transformer (h) Two earthing terminal on tank cover to facilitate for fixing of 32 x 6 mm galvanized iron earth strip for earthing of neutral and body. (j) Including new and unused transformer oil to the desired level of dielectric strength 52 KV confirming to relevant IS. (k) Lifting hooks on both side of the transformer body. (l) Cover lifting hooks. (m) Rating and diagram plate.

Supply, installing, testing and commissioning of Outdoor type step down transformer of 11000/433 volts (at no load), AC, 3 phase 50 Hz capacity 125 KVA core type copper wound, EE level-2 oil immersed, naturally cooled, oil nature, air nature (ONAN) with external cooling tubes, delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector symbol DYN – 11 (vector Group) with neutral brought out on secondary side (LV side ) and having tapping at ± 5% HV side to be changed by means of hand operated off load tap changer gear. The maximum temperature rise should not exceed 45 degree Celsius in oil and 55 degree Celsius in HV/LV winding when measured by resistance method (Necessary test certificate carried out at factory site to be produced) after continuous full load run on an ambient temp of 40 degree Celsius. The transformer shall be IS 1180 latest marked and shall comprise of the following :-

(a) 3 Nos porcelain bushing with arcing horn on HV side suitable for 11 KV complete with bushing, copper rods, nut and washers. (b) One cable box on LT side (secondary side) consisting of 04 Nos of porcelain bushing with copper rods, complete with nuts and washers with two Nos cable glands suitable for XLPE insulated heavy duty armoured cable including glands, joint and jointing material complete . (c ) Oil conservator with filter type drain valve and oil level gauge. (d) De-hydrating breather with first fills dehydrating agent (silica gel). (e) Explosive vent. (f) Thermometer pocket on tank cover. (g) One No 100 mm dia, dial type thermometer, vapour pressure type having range 0-120 degree Celsius with metal guard having maximum perimeter reading temperature indicator with resisting device for transformer. (h) Two earthing terminal on tank cover to facilitate for fixing of 32 x 6 mm galvanized iron earth strip for earthing of neutral and body. (j) Including new and unused transformer oil to the desired level of dielectric strength 52 KV confirming to relevant IS.

Supply, installing, testing and commissioning of Outdoor type step down transformer of 11000/433 volts (at no load), AC, 3 phase 50 Hz capacity 200 KVA core type copper wound, EE level-2 oil immersed, naturally cooled, oil nature, air nature (ONAN) with external cooling tubes, delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector symbol DYN – 11 (vector Group) with neutral brought out on secondary side (LV side ) and having tapping at ± 5% HV side to be changed by means of hand operated off load tap changer gear. The maximum temperature rise should not exceed 45 degree Celsius in oil and 55 degree Celsius in HV/LV winding when measured by resistance method (Necessary test certificate carried out at factory site to be produced) after continuous full load run on an ambient temp of 40 degree Celsius. The transformer shall be IS 1180 latest marked and shall comprise of the following :-

(a) 3 Nos porcelain bushing with arcing horn on HV side suitable for 11 KV complete with bushing, copper rods, nut and washers (b) One cable box on LT side (secondary side) consisting of 04 Nos of porcelain bushing with copper rods, complete with nuts and washers with two Nos cable glands suitable for XLPE insulated heavy duty armoured cable including glands, joint and jointing material complete (c ) Oil conservator with filter type drain valve and oil level gauge. (d) De-hydrating breather with first fills dehydrating agent (silica gel) (e) Explosive vent. (f) Thermometer pocket on tank cover (g) One No 100 mm dia, dial type thermometer, vapour pressure type having range 0-120 degree Celsius with metal guard having maximum perimeter reading temperature indicator with resisting device for transformer (h) Two earthing terminal on tank cover to facilitate for fixing of 32 x 6 mm galvanized iron earth strip for earthing of neutral and body. (j) Including new and unused transformer oil to the desired level of dielectric strength 52 KV confirming to relevant IS.

Supply, installing, testing and commissioning of Outdoor type step down transformer of 11000/433 volts (at no load), AC, 3 phase 50 Hz capacity 250 KVA core type copper wound, EE level-2 oil immersed, naturally cooled, oil nature, air nature (ONAN) with external cooling tubes, delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector symbol DYN – 11 (vector Group) with neutral brought out on secondary side (LV side ) and having tapping at ± 5% HV side to be changed by means of hand operated off load tap changer gear. The maximum temperature rise should not exceed 45 degree Celsius in oil and 55 degree Celsius in HV/LV winding when measured by resistance method (Necessary test certificate carried out at factory site to be produced) after continuous full load run on an ambient temp of 40 degree Celsius. The transformer shall be IS 1180 latest marked and shall comprise of the following :-

(a) 3 Nos porcelain bushing with arcing horn on HV side suitable for 11 KV complete with bushing, copper rods, nut and washers (b) One cable box on LT side (secondary side) consisting of 04 Nos of porcelain bushing with copper rods, complete with nuts and washers with two Nos cable glands suitable for XLPE insulated heavy duty armoured cable including glands, joint and jointing material complete (c ) Oil conservator with filter type drain valve and oil level gauge. (d) De-hydrating breather with first fills dehydrating agent (silica gel) (e) Explosive vent. (f) Thermometer pocket on tank cover (g) One No 100 mm dia, dial type thermometer, vapour pressure type having range 0-120 degree Celsius with metal guard having maximum perimeter reading temperature indicator with resisting device for transformer (h) Two earthing terminal on tank cover to facilitate for fixing of 32 x 6 mm galvanized iron earth strip for earthing of neutral and body. (j) Including new and unused transformer oil to the desired level of dielectric strength confirming to relevant IS.

Supply, installing, testing and commissioning of Outdoor type step down transformer of 11000/433 volts (at no load), AC, 3 phase 50 Hz capacity 315 KVA core type copper wound, EE level-2 oil immersed, naturally cooled, oil nature, air nature (ONAN) with external cooling tubes, delta connected on primary side (HV) and star connected on secondary side (LV) in accordance with vector symbol DYN – 11 (vector Group) with neutral brought out on secondary side (LV side ) and having tapping at ± 5% HV side to be changed by means of hand operated off load tap changer gear. The maximum temperature rise should not exceed 45 degree Celsius in oil and 55 degree Celsius in HV/LV winding when measured by resistance method (Necessary test certificate carried out at factory site to be produced) after continuous full load run on an ambient temp of 40 degree Celsius. The transformer shall be IS 1180 latest marked and shall comprise of the following :-

(a) 3 Nos porcelain bushing with arcing horn on HV side suitable for 11 KV complete with bushing, copper rods, nut and washers (b) One cable box on LT side (secondary side) consisting of 04 Nos of porcelain bushing with copper rods, complete with nuts and washers with two Nos cable glands suitable for XLPE insulated heavy duty armoured cable including glands, joint and jointing material complete (c ) Oil conservator with filter type drain valve and oil level gauge. (d) De-hydrating breather with first fills dehydrating agent (silica gel) (e) Explosive vent. (f) Thermometer pocket on tank cover (g) One No 100 mm dia, dial type thermometer, vapour pressure type having range 0-120 degree Celsius with metal guard having maximum perimeter reading temperature indicator with resisting device for transformer (h) Two earthing terminal on tank cover to facilitate for fixing of 32 x 6 mm galvanized iron earth strip for earthing of neutral and body. (j) Including new and unused transformer oil to the desired level of dielectric strength confirming to relevant IS.

M&L for laying HT under ground cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured electric power cable heavy duty with aluminium conductor, 11000 volts grade and cross sectional area 120 sqmm 3 core laid in trenches/ passing through pipe or fixed on pole/wall/floor etc complete all as specified and directed.

M&L for laying HT under ground cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured electric power cable heavy duty with aluminium conductor, 11000 volts grade and cross sectional area 95 sqmm 3 core laid in trenches/ passing through pipe or fixed on pole/wall/floor etc complete all as specified and directed.

M&L for laying LT under ground cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured electric power cable heavy duty with alimunium conductor, 1100 volts grade and cross sectional area 150 sqmm 3.5 core laid in trenches/ passing through pipe or fixed on pole/wall/floor etc complete all as specified and directed.

M&L for laying LT under ground cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured electric power cable heavy duty with aluminium conductor, 1100 volts grade and cross sectional area 95 sqmm 3.5 core laid in trenches/ passing through pipe or fixed on pole/wall/floor etc complete all as specified and directed.

M&L for laying LT under ground cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured electric power cable heavy duty with aluminium conductor, 1100 volts grade and cross sectional area 70 sqmm 3.5 core laid in trenches/ passing through pipe or fixed on pole/wall/floor etc complete all as specified and directed.

Supply & Fixing of Bus Bar chamber out door type dust and vermin proof made out of 1.6mm thick CRCA sheet front opening type IP-64 protectives, degree of protections of suitable size for housing of 04 Nos 600mm long copper strips suitable for 250 Amps rating mounted on resin cast insulators, including one No MCCB of rating 200 Amps 4 pole 25 KA as incommer and cable entry provision ,duly powder coated on both sides with locking arrangement complete including erection with angle iron of suitable size at height of one mtr above ground with all necessary cement work complete all as specified and as directed.

Supply & Fixing of Bus Bar chamber out door type dust and vermin proof made out of 1.6mm thick CRCA sheet front opening type IP-64 protectives, degree of protectionsof suitable size for housing of 04 Nos 600mm long copper strips suitable for 500 Amps rating mounted on resin cast insulators, including one No MCCB of rating 400 Amps 4 pole 25 KA as incommer and cable entry provision ,duly powder coated on both sides with locking arrangement complete including erection with angle iron of suitable size at height of one mtr above ground with all necessary cement work complete all as specified and as directed.

Supply install, testing and commisioning of LT panel electrical board floor mounted cubical type, indoor type aesthetically designed fabricated of 2 mm thick outer CRCA sheet and 2mm thick inner CRCA sheet with front and rear opening P-54 protectives, degree of protections confirming to IS-8623 and incl of bus bar chamber continuous GI strip earth bus bar din rail channels cable alley . danger notice board, powder coated rust proof paint connecting incoming and outgoing cable connections with suitable lugs nut bolts washers and cable glands prewired complete with suitable size PVC insulated fire retardant copper conductor with necessaary PCC for foundation for erection of LT panel complete as directed and shall consists of the following items:-

(a) Copper bus bar of 400 Amps mounted on PVC insulators - 4 strips (b) Phase indicating lamps ( RYB)- 3 Nos (c ) Multifunction meter for measuring ampere,voltage, frequency etc complete - 1 No (d ) MCCB 250 Amps 35 KA 4 pole 50 HZ , Adjustable thermal and magnatic release - 1 No.(ICS=100% of ICU) for Incomming (e ) MCCB 160 Amps 25 KA 4 pole 50 HZ , Adjustable thermal and magnatic release - 2 No.(ICS=100% of ICU) for O/G (f ) MCCB 63 Amps 25 KA 4 pole 50 HZ , Adjustable thermal and magnatic release -1 No.(ICS=100% of ICU) for O/G Note:- Including necessary PCC foundation of size not more than 2 mtr length and 0.9 mtr width and 0.75 mtrs above ground level or as per the OEM GA drawing of foundation for installation/erection of RMU in PCC 1:3:6 type C1 shall be included in the quoted rate. No price adjustment in case of variation in size shall be admissible.

Supply install, testing and commisioning of LT panel electrical board floor mounted cubical type, indoor type aesthetically designed fabricated of 2 mm thick outer CRCA sheet and 2mm thick inner CRCA sheet with front and rear opening confirming to IS-8623and incl of bus bar chamber continuous GI strip earth bus bar din rail channels cable alley . danger notice board, powder coated rust proof paint connecting incoming and outgoing cable connections with suitable lugs nut bolts washers and cable glands prewired complete with suitable size PVC insulated fire retardant copper conductor with necessaary PCC for foundation for erection of LT panel complete as directed and shall consists of the following items:-

(a) Copper bus bar of 600 Amps mounted on PVC insulators - 4 strips (b) Phase indicating lamps ( RYB)- 3 Nos (c ) Multifunction meter for measuring ampere,voltage, frequency etc complete - 1 No (d ) MCCB 400 Amps 50 KA 4 pole 50 HZ , Adjustable thermal and magnatic release - 1 No.(ICS=100% of ICU) for Incomming (e ) MCCB 200 Amps 25 KA 4 pole 50 HZ , Adjustable thermal and magnatic release -2 No.(ICS=100% of ICU) for O/G (f ) MCCB 125 Amps 25 KA 4 pole 50 HZ , Adjustable thermal and magnatic release -2 No.(ICS=100% of ICU) for O/G

Supply & Installation of 11 KV Outdoor type extensible 03 way Load break switch floor mounted with internal copper bus bars, consisting of 01 no incoming 630 Amp fixed manual Load Break Switch and 02 no outgoing fixed manual Load Break Switch. All live parts, bus bars, LBSs connections of RMU should be enclosed in one tank (Minimum 3 Modules) to avoid multiple interconnections & sealed for life robotically welded non magnetic and non ferrite grade stainless steel tank of 3 +/-0.5mm thick having IP67 degree of protection filled with gas as insulation with leakage rate less than 0.1% per year tested as per IEC 62271-200. RMU with complete accessories such as Terminal boots, VPIS, cable supports, all front cable terminations, mechanical indications for Load break switch ON/OFF, Manometer as per with IEC standards 62271-200, 60056, 60129, 60265, 60298, 60420, 60529 and 60694. Altitude of installation up to 1000m as per IEC 60120. Bushings bolted type top mounted outside the tank for connection of external bus bar :

1 st Incoming Load Break Switch module should consist of following accessories :- (i) 630A Load Break Switch module for making and breaking of fault current alongwith Earth Swicth of full making capacity (ii) Short time current - 20KA/ 3 sec (iii) Making Capacity - 50KA (iv) Auxiliary contacts - 1NO + 1NC (v) Power frequency withstand voltage - 28KV (vi) Impulse withstand voltage - 75KV (vii) Nominal operating gas pressure - 1.4 Bar abs. (viii) Front cover mechanism - IP2X (ix) Cable covers - 3X (x) Internal arc type tested for 20kA for 1 sec (xi) Snap action mechanism for manual operation (xii) Cable box for front termination of the cable suitable upto 3 core 300 Sqmm, 11 KV XLPE cable (xiii) Right angle boots (push on type) (xiv) Suitable Cable bushings for front only cable terminations (xv) Arc proof cable covers with self Interlocking mechanism with earth switch (xvi) Capacitive voltage indication fixed type system as per IEC61243 (xvii) Ronis Key Interlock (xviii) Mechanical Indications for Load break switch ON, OFF, EARTH

Outgoing Load Break Switch module should consist of following accessories :- (i) 630A Load Break Switch module for making and breaking of fault current alongwith Earth Swicth of full making capacity (ii) Short time current - 20KA/ 3 sec (iii) Making Capacity - 50KA (iv) Auxiliary contacts - 1NO + 1NC (v)Power frequency withstand voltage - 28KV (vi) Impulse withstand voltage - 75KV (vii) Nominal operating gas pressure - 1.4 Bar abs. (viii) Front cover mechanism - IP2X (ix) Cable covers - 3X (x) Internal arc type tested for 20kA for 1 sec (xi) Snap action mechanism for manual operation (xii) Cable box for front termination of the cable suitable upto 3 core 300 Sqmm, 11 KV XLPE cable (xiv) Right angle boots (push on type) (xv) Suitable Cable bushings for front only cable terminations (xvi) Arc proof cable covers with self Interlocking mechanism with earth switch (xvii) Capacitive voltage indication fixed type system as per IEC61243 (xviii) Mech anical Indications for Load break switch ON, OFF, EARTH (xix) Maximum width - 500mm for compact design (xx) Space Heater 100W, 240VAC with thermostat

Excavation in trenches n exc 1.5m wide and n exc 1.5m in depth and getting out in loose soil complete all as specified and directed.

Excavation in trenches n exc 1.5m wide and n exc 1.5m in depth and getting out in hard/dence soil Road cutting complete all as specified and directed.

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

Removal of excavated material to distance 50 m and deposing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and directed.

Supply and filling dry clean sand in trenches for cushioning of underground cable including punning down complete all as specified and directed.

Supply & Laying un-reinforced precast concrete cable cover class HV,Type 1 ,flat size 300mmX180mmX40mm complete all as specified and directed.

Material and labour of Earthing complete with GI earth plate electrode 600x600x6mm thick buried directly in ground (earth pit not less than 2.5 deep below ground level) with top edge of plate not less than 1.5m below normal ground level, earth pit surrounded by 1.5cm thick and packed layers of charcoal, dust and common salt, including GI strip 32x6 as earth lead fixed by means and other and connected to the test point pipe and 40mm dia GI light grade for protection and GI pipe 20mm dia light grade for watering with necessary earth work, PCC earth pit chamber in PCC 1:2:4 using 20mm graded stone aggregate with precast RCC pit cover 80mm thick etc all as shown in electrical plate No 3 of SSR 2009 Part-1 complete all as specified and directed.

Boring of holes under road pavement,hard stansding by trenchess technology using ultra sound technique and necessary machine including HDPE pipe of 150 mm dia suitable for 0.4 mpa working pressure complete all as specified and directed.

M&L for indoor type cable end termination joint cold shrinkble type suitable for HT UG cable of size 95 sqmm 3core 11KV (Earthed) of aluminiun conductoe all as specified and testing after jointing complete all as specified and directed.

S&F cable joint kit for 11 KV (Earthed) grade cable for indoor termination Cold shrink type joint suitable for XLPE armoured aluminium cable of size 120 sqmm 3 core complete all as specified and directed.

M&L for GI tubing 100 mm bore ISI marked light grade for cable protection complete all as specified and directed.

M&L cable joint kit for 11 KV (Earthed) grade cable for straight through joint type cable end termination joint Cold shrinkable type suitable for HT UG cable of size 120 sqmm 3 core of alumunium conductor all as specified and directed

M&L cable joint kit for 11 KV (Earthed) grade cable for straight through joint type cable end termination joint Cold shrinkable type suitable for HT UG cable of size 95 sqmm 3 core of alumunium conductor all as specified and directed

M&L for laying in trenches burnt brick sub class 'B' for cable protection laid adjacent to each other length wise perpendicular to the central axis of cable complete all as specified.

Raman Electric Trading Co (BID ID -3120158)

GEPS PROJECTS (BID ID -3122180)

MV Engineers And Contractors (BID ID -3122035)

Leo Air and Power Solution pvt Ltd. (BID ID -3121526)

JAY BEE Industries (BID ID -3121100)

Sant Construction Co. (BID ID -3122264)

M P TYAGI ENGINEERS AND CONTRACTORS (BID ID -3119755)