Design, Manufacture, Factory testing, Supply, erection, testing at site and Commissioning of each one 110/22KV, 25MVA Power Transformers with allied equipments and allied bay extension works including civil works at Kurumbapet 110/22KV Sub-station and at Marapalam 110/22-11KV Sub-station, Electricity Department, Puducherry.-MARAPALAM 110/22KV Sub-Station:Design, Manufacturing, Testing at manufacturer site, Transportation and supply (at site) of the following items. This also includes supply of all suitable sizes of clamps wherever required and all other items required for satisfactory functioning of the particular items :- In view of space constraint the absract of the items are mentioned below. Therefore, bidders are requested to quot theirprice as per the detailed Bill of Quantity (BOQ) provided in the Section VI of the General terms and condition of this tender document:Supply of the following items as per the Tender Technical specification.Rate should be quoted along with GST No. and prescribed rate of GST. 2 Copper wound 25MVA, 110/22 -11KV, Dyn 11, 3 Ph, 50Hz, Power transformer with OLDC, RTCC & other accessories with 10% extra oil. 3 N2 Fire protection system for 110/22-11KV, 25MVA Power Transformer including all accessories for the same. 4 C&R Panels 5 Supply and erection of 110/22-11KV Transformer protection panel fitted with numerical relays (HV & LV side) with automation. 6 Supply and erection of control panel for 110/22-11KV Transformer bay (HV & LV side) with automation. 7 Structure materials 8 Lattic struture (Non standard structures) 9 Pipe structures for 110KV equipments 10 foundation bolts including nuts check nut and washers for lattice and pipe structure. 11 145KV equipments 12 Complete set of 145KV/31.5kA/ 1250 Amps, SF6 Circuit Breaker along with support structure (spring operated). 13 Complete set of 145KV/31.5kA/ 1250 Amps HDB Motorised isolator, 3Ph with one earth switch. 14 Complete set of 145KV/31.5kA/ 1250 AmpsHDB Motorised isolator, 3Ph with out earth switch. 15 145 KV Solid core post isolators for the above Isolators. 16 145kv, 31.5KA, 1200ACurrent Transformer 1ph with 120% extended current rating ratio 1200-900-600-300/1-1-1-1A. 17 98KV Lighting arrestor 1ph class 3 (gapless) with surge counter and monitor. 18 145KV Solid core post insulator. 19 22KV Equipments 20 Complete set of 22KV, 1600A, 3pH, 25KA, VCB along with supporting structure (spring operated). 21 Complete set of 22KV, 1250A, 25KA, HDB motorised isolator, 3ph without earth switch including isolators. 22 22KV, 1000A, 25KA Current Transformer 1ph with 120% extended current rating ratio 1000-500-250-125/1-1-1-1A. 23 18KV Surge arrestor 1ph - Class 2 24 Fire Protection System 25 Fire protection equipmets (Yard) supply & erection of 9litre water type 26 4.5kg DCP type 27 4.5kg CO2 type 28 50 Ltrs mechanical foam type 29 Steel bucket with Steel stand suitable for total 8 nos. ofBuckets in 2 rows filled with sand. 30 Illumination system:- 31 Outdoor lighting including all accessories etc., (a) Lighting panel (type ACP-2 asper specification) 32 Lighting fixtures LEDFlood light luminaries type FL-1 (15W) as per tech. specifications. 33 Supply & erection of Power & Control Cables along with associated accessories like clamps, glands, lugs and straight joints etc.All required size of Power Cables PVC 1.1KV Grade (Aluminium) and all required size of Copper Control cable (pvc) 1.1KV Grade with all accessories like clamps, glands, lugs, straight joints etc., 34 Earthing 35 Earth pits as required for equipmet, power transformer, structure earthing including earthing materials, earthwire, risers, auxillary earth mat ets., (excluding main earth mat). 36 Supply and laying of 40mm MS rod for main earthing including fabrication as required etc., 37 Erection hardware items as per standard technical specifications required for 110KV single main and aux bus schemes 110/22KV Transformer bay and modification of LVbus arrangements with Zebra twin conductor type bus system at 22KV bay as per drawing and from Power transformerLV bushing to 22KV LV breaker( Zebra twin type)at 22kV bay including. Insulator strings, disc insulators, Hardware’s, spacers, Zebra conductors, Aluminum tube(s) bus bar materials, cable tray, bay marshalling box, clamps, connectors including equipments connectors, junction boxes, AC & DC Panels, buried cable trenches/PVC Pipe, equipments and lighting all accessories etc.,(includingmaterials for extension of Pr. Tr. LV to LV VCB & dual conductor type bus extensionin LV bus.) to complete the work. 38 Existing RTU nad LDMS integration of the above transformer bays necessary hard wiring and other required accessories and materials etc., 39 Mandatory spares for 110/22KV 25MVA Power Transformer and equipments: 40 Buchholz relay complete with contacts 41 Local & Remote winding temperature indicator with contacts 42 Oil temperature indicator with contacts 43 Cooler fan with motor 44 Fuses(One set consists of complete replacement for one transformer) 45 Indicating Lamps(One set consists of complete replacement for 1 transformer) 46 Winding Temperature sensing element 47 Oil Temperature sensing element 48 Gas collecting bottle 49 Oil sample bottle 50 Pressure Relief Device 51 Oil Sample syringes - 50ml 52 Control & Relay Panelspares 53 IED/Relays61850 compatible communicable Distance protection relay 54 IED/Relays61850 compatible communicableTransformer Differential Protection relay 55 IED/Relays61850 compatible communicableBay controler-cumProtection relay 56 Multifunction transducer 0.2s class accuracy with RD 485 port 57 Aux. Relay 58 Fuses & MCBs ( All Type & Ratings) - 2 Each 59 Indicating Lamp (All colours) - 2 each 60 Insulatorsdisc spares 61 110KV side solid core Bus Post insulator spares 62 Push button, Semaphore indicator, Isolator control switch, Breaker control switch, Volt meter, selector switch, micro controller 63 Mandatory spares (As mentioned section project) 64 145KV Equipments 65 145 KV, 1250 A, 3 ph,31.5kA,SF6 Circuit Breaker along with support structure 66 Tripping coil 67 Closing coil 68 Breaker control switch (TNC Switch) 69 Spring charge limiting switch 70 Spring charge motor 71 145 KV, 1250 Amps, 31.5kA HDB motorised Isolator, 3-ph with one earth switch. 72 145 KV, 1200A, 31.5kA Current Transformer 1PH with 120% extended current rating, Ratio: 1200-900-600-300/1-1-1-1A 73 98 KV Lightning Arrester 1PH - class-3 (Gapless) 74 98KV LA Complete unit 75 Surge counter 76 145 kV Solid core Post Insulator 77 22KV Equipments 78 22 kV 1600 A,25kA VCB (3phase) along with support structure. 79 Tripping coil 80 Closing coil 81 Breaker control switch (TNC Switch) 82 Spring charge limiting switch 83 Spring charge motor 84 22 kV, 1250 A, 25kA, HDBmotorised Isolator (3 phase) without earth switch 85 22KV,25kA, 1000A Current transformer(1 ph) with 120% extended current rating, Ratio: 1000-500-250-125/1-1-1-1A 86 18 KV Surge arrester(1 ph) class-2 87 18KV LA Complete unit 88 Surge counter 89 22 kV Bus post insulator 90 ERECTION SCOPE of WORKS: Charges for Handling, erection, testing and commissioning of the following items as per the Technical specification of the tender.Rate should be quoted along with GST No. and prescribed rate of GST. 91 Erection, Testing and Commissioning of :- ( a) Copper wound 25MVA, 110/22-11KV, Dyn 11, 3 Ph, 50Hz Power Transformer with OLDC, RTCC panel, & other accessories with 10% extra oil, (b) Nitrogen Injection fire fighting system with complete accessories, (c) RTU integration of Power transformer operationas per the requirements, (d) Laying, termination, testing and commissioning ofpower cables and multi-strand copper control cables of various cores/sizes requiredbetween the control room building and the switchyard as per site conditions and other works as required for this work.The work also includes the followings:(i) Construction of new Power Transformer civil plinth (supply & construction included) (as per the drawing to be furnished by the contractor and approved by the PED during detailed Engineering) with embed rails for placing and removal of the Power Transformers on the plinth with smooth movements.(ii) Construction of suitable size oil sump pit (supply & construction included) (as per the drawing to be furnished by the contractor and approved by the PED during detailed Engineering) around the Power Transformer plinth with provision of metal grills on top of the oil pit.The pebblesof suitable size has to be spread over the metal grills for smooth/easy access to Power Transformer.(iii) Provision of (Supply & erectionincluded) strom water draining system (The water should be drained out side the oil sum pit by suitable means). (iv) Provision of (Supply & erection included) separate Burnt oil storage tank at appropriate location for draining the burnt oil from the oil pit. Provision of suitable foundations for cooling system as per the requirements (v) Construction of fire wall of suitable dimension ((as per the drawing to be furnished by the contractor and approved by the PED during detailed Engineering) adjacent to the proposed new Power Transformers right-hand side (whenviewed from the 110KV Bushing side) and the Existing Power Transformer.All the above work also includes excavations, supply of all civil, steel and other materials and labours and experts for the work and disposal of un wanted materials from the site and its safe disposal to the separate designated site including obtaining of CEA approval. 92 Handling, erection, testing and commissioning of Complete set of N2 Fire protection system for 110/22-11KV, 25MVA Power Transformer including all accessories for the same and required civil works etc. 93 Handling, erection, testing and commissioningof Complete set ofIEC 61850 protocol SAS compatible 110/22-11KV Power Transformer bay protection panel (HV &LV Side) comprises of Instantaneous over current and earth faultprotection relay with high set, LBB, under voltage relay and allied all other requiredauxiliary protection relays (all IED based relays wherever required) and accessories andSmart Tri-vector meter Supply of required cables for inter panel wiring terminations included. 94 Handling, erection, testing and commissioning of Complete set of IEC 61850 protocol SAS control panel for 110/22-11KVPower Transformer bay Control Panel (HV & LV Side) comprises control unit, control switches for operation of bay equipment of respective bay, Multifunction transducer with 0.2s class accuracy and with RS 485 port, Digital panel meters for displayingvoltage, current, frequency, Pf, MW, MVAr. Annunciation window. Supply of required cables for inter panel wiring terminations included. 95 Handling, erection, testing and commissioning of GI lattice Tower gantry for 110KVsupply take-off arrangements at existing 110KV line bay in 110KV switchyardwith vertical structures with base plates and GI H Beam structure for linking the Bus Gantry vertical structures with base plate both of suitable dimensions (to be matchedwith the existing same tower for existing Power Transformer and suitable for stringing twin Zebra conductor This also includes provision of foundations with foundation bolts for fixing the vertical structure with foundation bolts. This also includes supply of foundation bolts, all required civil, steel and other materials, transportations, charges and labours and experts 96 Handling, erection, testing and commissioning of the following items. Each of this item work also includes inter pole cabling, provision of 75x12mm/50x6mm GI flats for Earthing and allied fasteners and spring Washers, laying, terminations, testing, commissioning of power cables and multistrand copper control cables of various cores/sizes (supply of all suitable sizes luges and ferrules included) requiredbetween the control room building and the switchyard as per site conditions, RTU integrationand other works as required for this work. A) Integration ofnewly erected Pr. T. and equipments with existing RTU including all accessories, testing and commissioning etc.,b)Erection, testingand commissioning of Lighting panels and other allied fittings /equipments with allaccessories.c)Erection of Fire fighting equipments suitably with allied accessories complete. 97 Laying and termination of all required size of Power Cables PVC 1.1KV Grade (Aluminium) and all required size of Copper Control cable (PVC) 1.1KV Grade with all accessories like clamps, glands, lugs, straight joints etc., 98 Construction of Earth pits as required for equipment, power transformer, structure earthing including earthing materials, earth wire, risers, auxiliary earth mat etc., andlaying of main earth mat including all materials anjd accessories etc., 99 CIVIL WORKS including construction of Fire Protection wall, Construction of new Power Transformer Plinth and equipmentfoundations, yard concreting, stone spreading in the yard and other allied civil worksas per department specificationsand Drawings including any dismantling of old structures / plinthinvolved (complete including Supply of all civil, steel materials, GI foundation bolts for each job included andincludes all charges for crane, transport. labours and experts etc.,) 100 Handling, erection, testing and commissioning of Complete set of 145KV/31.5kA/ 1250 Amps, SF6 Circuit Breaker along with support structure (spring operated). 101 Handling, erection, testing and commissioning of Complete set of 145KV/31.5kA/ 1250 Amps HDB Motorised isolator, 3Ph with one earth switch. 102 Handling, erection, testing and commissioning of Complete set of 145KV/31.5kA/ 1250 AmpsHDB Motorised isolator, 3Ph with out earth switch. 103 Handling, erection, testing and commissioning of 145 KV Solid core post isolators for the above Isolators. 104 Handling, erection, testing and commissioning of 145kv, 31.5KA, 1200ACurrent Transformer 1ph with 120% extended current rating ratio 1200-900-600-300/1-1-1-1A. 105 Handling, erection, testing and commissioning of 98KV Lighting arrestor 1ph class 3 (gapless) with surge counter and monitor. 106 Handling, erection, testing and commissioning of 145KV Solid core post insulator. 107 Handling, erection, testing and commissioning of Complete set of 22KV, 1600A, 3pH, 25KA, VCB along with supporting structure (spring operated). 108 Handling, erection, testing and commissioning of Complete set of 22KV, 1250A, 25KA, HDB motorised isolator, 3ph without earth switch including isolators. 109 Handling, erection, testing and commissioning of 22KV, 1000A, 25KA Current Transformer 1ph with 120% extended current rating ratio 1000-500-250-125/1-1-1-1A. 110 Handling, erection, testing and commissioning of 18KV Surge arrestor 1ph - Class 2 111 Handling, erection, testing and commissioning of 22KV Buspost Isolator 112 Dismantling of old transformer plinth and other dismantling works 113 All documentation charges like preparation and handling over of 3 sets of complete handing over reports includes specifications, test reports, drawings, manuals etc., documentation works for obtaining of CEA and other required clearances including remittances of fees etc., 114 KURUMBAPET 110/22KV Sub-Station:Design, Manufacturing, Testing at manufacturer site, Transportation and supply (at site) of the following items. This also includes supply of all suitable sizes of clamps wherever required and all other items required for satisfactory functioning of the particular items :- In view of space constraint the absract of the items are mentioned below. Therefore, bidders are requested to quot theirprice as per the detailed Bill of Quantity (BOQ) provided in the Section VI of the General terms and condition of this tender document:Supply of the following items as per the Tender Technical specification.Rate should be quoted along with GST No. and prescribed rate of GST. 115 Copper wound 25MVA, 110/22-11 KV, Dyn 11, 3 Ph, 50Hz, Power transformer with OLDC, RTCC & other accessories with 10% extra oil. 116 N2 Fire protection system for 110/22-11KV, 25MVA Power Transformer including all accessories for the same. 117 C&R Panels 118 Supply and erection of 110/22-11KV Transformer protection panel fitted with numerical relays (HV & LV side) with automation. 119 Supply and erection of control panel for 110/22-11KV Transformer bay (HV & LV side) with automation. 120 Complete set of 22KV, 1600A, 3pH, 25KA, VCB along with supporting structure (spring operated). 121 Complete set of 22KV/25kA/ 1250 AmpsHDB Motorised isolator, 3Ph with out earth switch. 122 22KV, 1000A, 25KA Current Transformer 1ph with 120% extended current rating ratio 1000-500-250-125/1-1-1-1A. 123 18KV Surge arrestor 1ph - Class 2 124 Supply & erection of Power & Control Cables along with associated accessories like clamps, glands, lugs and straight joints etc.All required size of Power Cables PVC 1.1KV Grade (Aluminium) and all required size of Copper Control cable (pvc) 1.1KV Grade with all accessories like clamps, glands, lugs, straight joints etc., 125 Erection hardware items as per standard technical specifications required for 110KV single main and aux bus schemes 110/22KV Transformer bay and modification of LVbus arrangements with Zebra twin conductor type bus system at 22KV bay as per drawing and from power transformer and Power transformerLV bushing to 22KV LV breaker ( Zebra twin type) at 22kV bay including. Insulator strings, disc insulators, Hardware’s, spacers, Zebra conductors, Aluminum tube(s) bus bar materials, cable tray, bay marshalling box, clamps, connectors including equipments connectors, junction boxes, AC & DC Panels, buried cable trenches/PVC Pipe, equipments and lighting all accessories etc.,(includingmaterials for extension of Pr. Tr. LV to LV VCB & dual conductor type bus extension with zebra conductorin LV bus.) to complete the work. 126 Existing RTU nad LDMS integration of the above transformer bays necessary hard wiring and other required accessories and materials etc., 127 Earthing 128 Earth pits as required for equipmet, power transformer, structure earthing including earthing materials, earthwire, risers, auxillary earth mat ets., (excluding main earth mat). 129 Erection hardware items as per standard technical specifications required for 110KV single main and aux bus schemes 110/22KV Transformer bay and bus work including. Insulator strings, disc insulators, Hardware’s, spacers, Zebra conductors, Aluminium tube(s) bus bar materials, cable tray, bay marshalling box, clamps, connectors including equipments connectors, junction boxes, AC & DC Panels, buried cable trenches/PVC Pipe, equipments and lighting all accessories etc., 130 Existing RTU nad LDMS integration of the above transformer bays necessary hard wiring and other required accessories and materials etc., 131 Mandatory spares for 110/22KV 25MVA Pr.Tr. And equipments: 132 Buchholz relay complete with contacts 133 Local & Remote winding temperature indicator with contacts 134 Oil temperature indicator with contacts 135 Cooler fan with motor 136 Fuses(One set consists of complete replacement for one transformer) 137 Indicating Lamps(One set consists of complete replacement for 1 transformer) 138 Winding Temperature sensing element 139 Oil Temperature sensing element 140 Gas collecting bottle 141 Oil sample bottle 142 Pressure Relief Device 143 Oil Sample syringes - 50ml 144 Control & Relay Panelspares 145 IED/Relays61850 compatible communicable Distance protection relay 146 IED/Relays61850 compatible communicableTransformer Differential Protection relay 147 IED/Relays61850 compatible communicableBay controler-cumProtection relay 148 Multifunction transducer 0.2s class accuracy with RD 485 port 149 Aux. Relay 150 Push button, Semaphore indicator, Isolator control switch, Breaker control switch, Volt meter, selector switch, micro controller 151 Fuses & MCBs ( All Type & Ratings) - 2 Each 152 Indicating Lamp (All colours) - 2 each 153 Insulatorsdisc spares 154 Mandatory spares (As mentioned section project) 155 145KV Equipments 156 22 kV 1600 A,25kA VCB (3phase) along with support structure. 157 Tripping coil 158 Closing coil 159 Breaker control switch (TNC Switch) 160 Spring charge limiting switch 161 Spring charge motor 162 22 kV, 1250 A, 25kA, HDBmotorised Isolator (3 phase) without earth switch 163 22KV,25kA, 1000A Current transformer(1 ph) with 120% extended current rating, Ratio: 1000-500-250-125/1-1-1-1A 164 18 KV Surge arrester(1 ph) class-2 165 18KV LA Complete unit 166 Surge counter 167 22 kV Bus post insulator 168 ERECTION SCOPE of WORKS: Charges for Handling, erection, testing and commissioning of the following items as per the Technical specification of the tender.Rate should be quoted along with GST No. and prescribed rate of GST. 169 Erection, Testing and Commissioning of :- ( a) Copper wound 25MVA, 110/22-11KV, Dyn 11, 3 Ph, 50Hz Power Transformer with OLDC, RTCC panel, & other accessories with 10% extra oil, (b) Nitrogen Injection fire fighting system with complete accessories, (c) RTU integration of Power Transformer operationas per the requirements, (d) Laying, termination, testing and commissioning ofpower cables and multi-strand copper control cables of various cores/sizes requiredbetween the control room building and the switchyard as per site conditions and other works as required for this work.The work also includes the followings:(i) Modification of existing Power Transformerplinth (as per the drawing to be furnished by the contractor and approved by the PED during detailed Engineering) with embed rails for placing and removal of the Power Transformers on the plinthsuitable for new Power Transformer(ii) Modification oil sump pit if required andprovidingmetal grills on top of the oil pit.The pebblesof suitable size has to be spread over the metal grills for smooth/easy access to Power Transformer.(iii) Provision of (Supply & erectionincluded) strom water draining system (The water should be drained out side the oil sum pit by suitable means). (iv) Provision of (Supply & erection included) separate Burnt oil storage tank at appropriate location for draining the burnt oil from the oil pit. Provision of suitable foundations for cooling system as per the requirements (v) Construction of fire wall of suitable dimension ((as per the drawing to be furnished by the contractor and approved by the PED during detailed Engineering) adjacent to the proposed new Power Transformers right-hand side (whenviewed from the 110KV Bushing side) and the Existing Power Transformer.All the above work also includes excavations, supply of all civil, steel and other materials and labours and experts for the work and disposal of un wanted materials from the site and its safe disposal to the separate designated site including obtaining of CEA approval. 170 Handling, erection, testing and commissioning of Complete set ofN2 Fire protection system for 110/22-11KV, 25MVA Power Transformer including all accessories for the same and with required civil works etc. 171 Handling, erection, testing and commissioning of Complete set ofIEC 61850 protocol SAS compatible 110/22-11KV Power Transformer bay protection panel (HV &LV Side) comprises of Instantaneous over current and earth faultprotection relay with high set, LBB, under voltage relay and allied all other requiredauxiliary protection relays (all IED based relays wherever required) and accessories andSmart Tri-vector meter Supply of required cables for inter panel wiring terminations included. 172 Handling, erection, testing and commissioning of Complete set of IEC 61850 protocol SAS control panel for 110/22-11KVPower Transformer bay Control Panel (HV & LV Side) comprises control unit, control switches for operation of bay equipment of respective bay, Multifunction transducer with 0.2s class accuracy and with RS 485 port, Digital panel meters for displayingvoltage, current, frequency, Pf, MW, MVar. Annunciation window. Supply of required cables for inter panel wiring terminations included. 173 Handling, erection, testing and commissioning of the following items. Each of this item work also includes inter pole cabling, provision of 75x12mm/50x6mm GI flats for Earthing and allied fasteners and spring Washers, laying, terminations, testing, commissioning of power cables and multistrand copper control cables of various cores/sizes( supply of all suitable sizes luges and ferrules included) requiredbetween the control room building and the switchyard as per site conditions, RTU integrationand other works as required for this work. A)Integration ofnewly erected Pr. Tr. and equipments with existing RTU. 174 Handling, erection, testing and commissioning of Complete set of 145KV/31.5kA/ 1250 Amps, SF6 Circuit Breaker along with support structure (spring operated). 175 Handling, erection, testing and commissioning of Complete set of 145KV/31.5kA/ 1250 AmpsHDB Motorised isolator, 3Ph with out earth switch. 176 Handling, erection, testing and commissioning of 145kv, 31.5KA, 1200ACurrent Transformer 1ph with 120% extended current rating ratio 1200-900-600-300/1-1-1-1A. 177 Handling, erection, testing and commissioning of 98KV Lighting arrestor 1ph class 3 (gapless) with surge counter and monitor. 178 Laying and termination of all required size of Power Cables PVC 1.1KV Grade (Aluminium) and all required size of Copper Control cable (PVC) 1.1KV Grade with all accessories like clamps, glands, lugs, straight joints etc., 179 Construction of earth pits as required for equipment, power transformer, structure earthing including earthing materials, earth wire, risers, auxiliary earth mat etc., (excluding main earth mat). 180 CIVIL WORKS including construction of Fire Protection wall, modification and alteration of existing Power Transformer Plinth and equipmentfoundations, yard concreting, stone spreading in the yard and others as per department specifications and Drawings.(complete including Supply of all civil, steel materials, GI foundation bolts for each job included andincludes all charges for crane, transport. labours and experts etc., ) 181 All documentation charges like preparation and handling over of 3 sets of complete handing over reports includes specifications, test reports, drawings, manuals etc., documentation works for obtaining of CEA and other required clearances including remittances of fees etc.,
