Upgradation of Substation in SERC at IISc, Bangalore

Amount

Cat (A) -Items to be supply and installation OIL FILLED POWER TRANSFORMER: Design, Supply, Installation, Testing & Commissioning of 11/0.433 kV, Delta/Star, Outdoor type, 2.5 MVA Power Transformer suitable for 3-Phase, 3 Wire, 50Hz AC supply & 75 kVp BIL. The transformer shall be Copper wound having oil cooled system suitable for ONAN cooling. The Vector group shall be Dyn11 with neutral brought from LV for earthing. Off Load tap changing arrangements on HV side. The OCTC gear shall be designed to complete successfully tap changes for the maximum current to which transformer can be loaded i.e., 150% of the rated current. The tap changer shall be provided for variation of HV voltage with a tap setting of (+) 5% and (-5%) at 11 kV side of each 2.5% steps. The impedance of transformer shall be 8.0% on 2.5 MVA base at nominal tap. The temperature rise of the transformer shall be 45 deg by Winding Temperature and 40 deg by Oil Temperature. The neutral terminal of the star connected winding shall be brought to the ground through externally installed NCT by a copper flat of size minimum 50 x 8 mm which shall be supported on the transformer tank including First Fill of Oil+10% Spare qty of oil, Oil Filtration and testing of oil,Supply of essential Spares as listed in Data Sheets Note: The bidder has to specify the losses as called for in the technical specifications. The transformer losses shall be as per level-3 of IS1180. Equipment shall be complete as per Single Line Diagram(SLD)/Specification/Datasheet, complying to IS / IEC Standards, Approved Makes, inclusive of Routine Tests and as directed by Engineer-in-charge.

Design, Supply, Installation, Testing & Commissioning of 11/0.433 kV, Delta/Star, Outdoor type, 1.5 MVA Power Transformer suitable for 3-Phase, 3 Wire, 50Hz AC supply & 75 kVp BIL. The transformer shall be Copper wound having oil cooled system suitable for ONAN cooling. The Vector group shall be Dyn11 with neutral brought from LV for earthing. Off Load tap changing arrangements on HV side. The OCTC gear shall be designed to complete successfully tap changes for the maximum current to which transformer can be loaded i.e., 150% of the rated current. The tap changer shall be provided for variation of HV voltage with a tap setting of (+) 5% and (-5%) at 11 kV side of each 2.5% steps. The impedance of transformer shall be 6.0% on 1.5 MVA base at nominal tap. The temperature rise of the transformer shall be 45 deg by Winding Temperature and 40 deg by Oil Temperature. The neutral terminal of the star connected winding shall be brought to the ground through externally installed NCT by a copper flat of size minimum 50 x 8 mm which shall be supported on the transformer tank. . Including First Fill of Oil+10% Spare qty of oil, Oil Filtration and testing of oil. Supply of essential Spares as listed in Data Sheets Note: The bidder has to specify the losses as called for in the technical specifications.The transformer losses shall be as per level-3 of IS1180. Equipment shall be complete as per Single Line Diagram(SLD)/Specification/Datasheet, complying to IS / IEC Standards, Approved Makes, inclusive of Routine Tests and as directed by Engineer-in-charge.

Type tests and Special tests as per IS during Factory Acceptance Test for 2.5MVA and 1.5MVA Transformers.

Installation Materials for all the above Distribution Transformers (Foundation Channels/ Bolts/Anchor Bolts/Any other items as required) excluding civil foundation.

11kV HV SWITCHGEAR-MAIN HV PANEL: Design, Supply, Installation, Testing and Commissioning of Free standing, Floor Mounting 11kV HV Switch gear Panel with, Bottom Cable Entry provision, Two Nos Incomer EDO VCB(630A)+CT+Line PT+Surge arrester, 25kA rated Copper Bus bar with 11kV Rated Heat Shrink sleeving and Three Nos outgoing EDO VCB feeders (630A) with CT and 1No Bus PT Panel complete with IEC 61850 Numerical Protection Relays, Metering, and other controls. 11kV Switchgear complete assembly and manufacturing shall be at OEM/ or Any OEM Authorised System Integrator or Channel partener with valid approval letter and type test reports. Equipment shall be complete as per Single Line Diagram(SLD)/Specification/Datasheet, complying to IS / IEC Standards, Approved Makes, inclusive of Routine Tests and as directed by Engineer-in-charge. 11kV Switchgear Panel shall be SCADA Compatible. Fibre-Optic loop based Arc Flash sensor with Relay included. Including Installation Materials for all the 11kV Switchgear (Foundation Channels/ Bolts/Anchor Bolts/Any other items as required) excluding civil foundation.110VDC Control Voltage shall be provided by External Battery and Battery Charger. Commissioning shall include Protection Relay/Meter/Controller settings review, testing by secondary injection kits such as Doble/Omicron / other equivalent makes by third party testing agency including necessary Hardware and Software tools for above 11kV Switchgear. All the tests shall be witnessed by Engineer in Charge (IISc).

Design, Supply, Installation, Testing & Commissioning of Special Tool-Cable Earthing Truck for above 11kV Switchgear

Design, Supply, Installation, Testing & Commissioning of Special Tool-Bus Earthing Truck for above 11kV Switchgear

Design, Supply, Installation, Testing & Commissioning of Special Tool-CB Handling Trolley for above 11kV Switchgear

11kV HV POWER CABLES AND ACCESSORIES: Design, Supply, Installation, Testing & Commissioning of following 11kV Power Cable in already excavated trench / directly buried / masonry duct / encasing in pipe / fixing on wall using necessary M.S clamps etc., 11kV(UE) Grade XLPE Insulated, Stranded Aluminium conductor with Single Layer Flat strip Armoured, PVC Sheathed cables Cable complete as per Single Line Diagram(SLD)/Specification/Datasheet, complying to IS / IEC Standards, Approved Makes, inclusive of Routine Tests and as directed by Engineer-in-charge. 3C x 400 sq. mm Al XLPE-A from MRS to SERC 11kV HT panel

Supply and installation / laying of of RCC Hume Pipe NP3 class of 300mm dia including Civil Works, excavation of earth, PCC bed around hume pipe inserts and back filling, compacting the earth as per specification. Including PVC Caution Tape througout the lenght, Route Marker at regular intervals.

3C x 185 sq. mm Al XLPE-A from SERC 11kV HT panel to 2.5MVA & 1.5MVA Transformers

Supply and installation / laying of of RCC Hume Pipe NP3 class of 300mm dia including Civil Works, excavation of earth, PCC bed around hume pipe inserts and back filling, compacting the earth as per specification.

Design, Supply, Installation, Testing & Commissioning of following of Indoor type Heat-Shrinkable type Cable End Terminations kits with crimping type tinned copper lugs, double compression brass cable glands with earth tags, cable shield earthing, with all required like hardware like bolts, nuts and consumables etc., complete in all respects for the following size Aluminium XLPE insulated 11KV(UE) Armoured HT cable. (a) 3C x 400 sq. mm Al XLPE-Armoured cable from MUSS to SERC 11kV HT Switchgear Panel

(b) 3C x 185 sq. mm Al XLPE-Armoured cable from SERC 11kV HT Switchgear Panel to 1.5MVA and 2.5MVA Transformer

415V LV SWITCHGEAR PANEL: Design, Supply, Installation, Testing and Commissioning of following Free standing, Floor Mounting 415V LV Switch gear Panel with complete with ACB/MCCB feeders, Protection Relays, Meters, Controls, Indication and interlocking requirement. 415V Switchgear Panel complete assembly shall comply to IEC-61439 standards and manufacture shall have Fully Type Tested/ Compliance by Documentation and design measures. Equipment shall be complete as per Single Line Diagram(SLD)/Specification/Datasheet, complying to IS / IEC Standards, Approved Makes, inclusive of Routine Tests and as directed by Engineer-in-charge. 415V Switchgear Panel shall be SCADA Compatible. Fibre-Optic loop based Arc Flash sensor with Relay included. 110VDC Control Voltage shall be provided by External Battery and Battery Charger Including Installation Materials for all the 415V LV Switchgear (Foundation Channels/ Bolts/Anchor Bolts/Any other items as required) excluding civil foundation.Commissioning shall include Protection Relay/Meter/Controller settings review, testing by secondary injection kits such as Doble/Omicron / other equivalent makes by third party testing agency including necessary Hardware and Software tools for above 415V Switchgear. All the tests shall be witnessed by Engineer in Charge (IISc) 415V MAIN LT PANEL with Top Busduct Entry/Bottom Cable Exit provision, Multiple EB and DG Incomer EDO ACBs, 65kA rated 4000A Aluminium Bus Bar, Bus coupler EDO ACB and multiple EDO ACB Outdoing feeders as per SLD. Note : Feeder disposition shall match the existing cables at site.

415V SUB DB with Bottom Cable Exit provision, Incomer EDO ACB, 65kA rated 2500A Aluminium Bus Bar and multiple manually operated fixed MCCB outdoing feeders as per SLD. Note : Feeder disposition is shall match the existing cables at site and restricted rear access.

415V Automatic Power Factor Correction Panel -1 (765 kVAr) complete with Incomer EDO ACB, Intelligent Automatic Power Factor Correction Relay, 7% Detuned Series Reactor, Capacitor Duy Contactor, and Capacitor Banks. Note : Restricted rear access.

415V Automatic Power Factor Correction Panel -2 (465 kVAr) complete with Incomer EDO ACB, Intelligent Automatic Power Factor Correction Relay, 7% Detuned Series Reactor, Capacitor Day Contactor, and Capacitor Banks. Note : Restricted rear access.

110V BATTERY, BATTERY CHARGER AND DC DISTRIBUTION BOARD: Design, Supply, Installation, Testing and Commissioning of Free standing, Floor Mounting 110VDC, Dual Float cum Boost SMPS based Battery Charger Panel Microprocess based Controller, LCD Display , with minimum of 120Ah Capacity 12V SMF Battery Bank along with Mild steel dully painted Battery Stand, Battery MCCB Junction Box, Interconnection DC Cabling work (Battery Ah Sizing shall be done by bidder to serve the loads of Panels). Integral DC Distribution Board with minimum of 12Nos 16A DP MCB so as feed panel loads.

LV POWER, CONTROL CABLES AND ACCESSORIES: Design, Supply, Installation, Testing and Commissioning of following cables in already excavated Cable Trench/Cable Tray/Directly buried complete with necessary Clamps and hardware : 1100V Grade, XLPE Insulated, Armoured, PVC Sheathed Power Cables complete as per Single Line Diagram(SLD)/Specification/Datasheet, complying to IS / IEC Standards, Approved Makes, inclusive of Routine Tests and as directed by Engineer-in-charge. (a) 3.5C X 400Sqmm Al XLPE from MAIN LT PANEL to APFCP-1 (5 Runs X 8 meters each)

(b) 3.5C X 400Sqmm Al XLPE from MAIN LT PANEL to APFCP-2 (3 Runs X 7 meters each)

© 3.5C X 240Sqmm Al XLPE from XXX to YYY( Reserved)

(d) 3.5C X 185Sqmm Al XLPE from XXX to YYY( Reserved)

(e ) 3.5C X 120Sqmm Al XLPE from XXX to YYY( Reserved)

(f) 3.5C X 70Sqmm Al XLPE from XXX to YYY( Reserved)

(g) 4C X 25 Al XLPE from SDB-1 to Battery Charger

Supply, Installation, Testing and Commissioning of Cable End Termination of 1100V grade for armoured 415V Power Cables to Switchgear including Supply of Double Compression Brass cable glands with earth tags, Crimping type Tinned copper lugs for Copper cables & Heavy duty Aluminium lugs for AL cables, Outdoor/Indoor Heat Shrinkable cable sealing kits and consumables for the following size of cables. Making the requisite holes in the bottom/gland plate of the switchgear for cable boxes/glands, fixing the cable boxes/glands, terminating the cables in the cable boxes/glands, earthing the cable armour, crimping the cable lugs on each core, neatly clamping the cables inside switchgear/panels’ cable alleys, wiring troughs & connecting to correct terminals as per the OWNER’s/ MANUFACTURER’s wiring diagrams & cable schedules. The cable and core identifying lugs & ferrules shall be supplied & installed by the CONTRACTOR as part of cable termination work. All cable terminations shall be solder less crimping type. The CONTRACTOR shall use proper crimping tools of Dowel or equivalent make. The crimping tools used shall be subject to the OWNER’s/ ENGINEER’s approval. (a) 3.5C x 400 Al XLPE. Note : Removal of Cables from Existing Panel and Re-terminating to New Panels

(b) 3.5C x 300 Al XLPE Note : Removal of Cables from Existing Panel and Re-terminating to New Panels

(c ) 3.5C x 240 Al XLPE Note : Removal of Cables from Existing Panel and Re-terminating to New Panels

(d) 3.5C x 185 Al XLPE Note : Removal of Cables from Existing Panel and Re-terminating to New Panels

(e ) 3.5C x 70 Al XLPE Note : Removal of Cables from Existing Panel and Re-terminating to New Panels

(f) 4C X 25 Al XLPE from SDB-1 to Battery Charger

Supply, Installation, Testing and Commissioning of Cable Straight Through Joint Kits of 1100V grade for armoured 415V Power Cables, Crimping type Tinned copper lugs for Copper cables & Heavy duty Aluminium lugs for AL cables, Outdoor/Indoor Heat Shrinkable cable sealing kits and consumables for the following size of cables. To be used with prior approval from Engineer in Charge (IISc) (a) 3.5C x 400 Al XLPE.STRAIGHT THROUGH JOINTS

(b) 3.5C x 300 Al XLPE.STRAIGHT THROUGH JOINTS

(c ) 3.5C x 240 Al XLPE.STRAIGHT THROUGH JOINTS

(d) 3.5C x 185 Al XLPE.STRAIGHT THROUGH JOINTS

Design, Supply, Installation, Testing and Commissioning of following LV Control cables in already excavated Cable Trench/Cable Tray/Directly buried complete with necessary Clamps and hardware : 1100V Grade, XLPE Insulated, Armoured, PVC Sheathed Control Cables complete as per Specification/Datasheet, complying to IS / IEC Standards, Approved Makes, inclusive of Routine Tests and as directed by Engineer-in-charge. (a) 3C X 2.5 sq.mm Cu. Cable for 110VDC Power Distribution to all equipment from DC Distribution Board

(b) 3C X 2.5 sq.mm Cu. Cable for Current Transformer Interconnections

(c ) 5C X 2.5 sq.mm Cu. Cable for Current Transformer Interconnections

(d) 7C X 2.5 sq.mm Cu. Cable for Current Transformer Interconnections

(e ) 12C X 2.5 sq.mm Cu. Cable for Transformer Marshalling Box Interconnection

Supply, Installation, Testing and Commissioning of Cable End Termination of 1100V grade for armoured Control Cables to Switchgear including Supply of Double Compression Brass cable glands with earth tags, Crimping type Tinned copper lugs for Copper cables & Heavy duty Aluminium lugs for AL cables, Outdoor/Indoor Heat Shrinkable cable sealing kits and consumables for the following size of cables. Making the requisite holes in the bottom/gland plate of the switchgear for cable boxes/glands, fixing the cable boxes/glands, terminating the cables in the cable boxes/glands, earthing the cable armour, crimping the cable lugs on each core, neatly clamping the cables inside switchgear/panels’ cable alleys, wiring troughs & connecting to correct terminals as per the OWNER’s/ MANUFACTURER’s wiring diagrams & cable schedules. The cable and core identifying lugs & ferrules shall be supplied & installed by the CONTRACTOR as part of cable termination work. All cable terminations shall be solder less crimping type. The CONTRACTOR shall use proper crimping tools of Dowel or equivalent make. The crimping tools used shall be subject to the OWNER’s/ ENGINEER’s approval. (a) 3C X 2.5 sq.mm Cu. Cable

(b) 5C X 2.5 sq.mm Cu. Cable

(c ) 7C X 2.5 sq.mm Cu. Cable

(d) 12C X 2.5 sq.mm Cu. Cable

Air Insulated BUSDUCT: Design, Supply, Installation, Testing and Commissioning of following Indoor & Outdoor Air Insulated type, Metal enclosed 415 V, 4000A, 65kA,3Phase +Neutral, Aluminimum Conductor Bus duct in a standard straight length with accessibility at both sides of the duct. The supply should consists of all the straight lengths, vertical & horizontal elbows, flanges, disconnecting links, accessories like inspection covers, drain vents & plugs etc. Supporting arrangement like wall frame assembly & hanger supports for indoor with seal off bushing to prevent air interchange. The conductor used in the busduct should have 100% purity. The enclosure shall be made out of minimum of 3mm thick non-magnetic Aluminium alloy or CRCA Sheet steel rectangular in shape. The Enclosure shall be IP-54/IP-66 based weatherproof construction for Indoor/Outdoor respectively with automatically controlled space heaters. The exterior finish of enclosure shall be RAL-7032 & black matt finish for interiors. The outdoor busducts shall be provided with Rain Hood.. complete as per Single Line Diagram(SLD) /Specification /Datasheet, complying to IS / IEC Standards, Approved Makes, inclusive of Routine Tests and as directed by Engineer-in-charge. Bus duct shall be preferrably be supplied from the same supplier as that of 415V Switchgear so as to ensure the compatibility of End terminations. (a) Straight Length - Indoor IP-54-Measured over Centre line of Duct

(b) Straight Length - Outdoor IP-66-Measured over Centre line of Duct

(c ) 90 Deg Bend (Vertical / Horizontal)-Extra-Measured over and above straight length

(d) Adaptor Box at 415V Main LT Panel End+Rubber Bellows along with Phase Cross over/matching assembly with in the panel

(e ) Adaptor Box at Transformer End+Rubber Bellows

(f) 3Phase +Neutral Braided copper flexibles at Transformer end

(g) 3Phase +Neutral Braided copper flexibles at Switchgear end

(h) Space Heaters Assembly

(i) Busduct Hanger Supports

(j) Silica Gel Breathers

(k) Wall frame Assembly with Fire Barrier

Design, Supply, Installation, Testing and Commissioning of following Indoor & Outdoor Air insulated type, Metal enclosed 415 V, 2500A, 65kA,3Phase +Neutral, Aluminium Conductor Bus duct in a standard straight length with accessibility at both sides of the duct. The supply should consists of all the straight lengths, vertical & horizontal elbows, flanges, disconnecting links, accessories like inspection covers, drain vents & plugs etc. Supporting arrangement like wall frame assembly & hanger supports for indoor with seal off bushing to prevent air interchange. The conductor used in the busduct should have 100% purity. The enclosure shall be made out of 3mm thick non-magnetic Aluminium alloy or CRCA Sheet steel. The Enclosure shall be IP-54/IP-66 based weatherproof construction for Indoor/Outdoor respectively with automatically controlled space heaters. The exterior finish of enclosure shall be RAL-7032 & black matt finish for interiors. The outdoor busducts shall be provided with Rain Hood.. complete as per Single Line Diagram(SLD)/Specification/Datasheet, complying to IS / IEC Standards, Approved Makes, inclusive of Routine Tests and as directed by Engineer-in-charge. Bus duct shall be preferrably be supplied from the same supplier as that of 415V Switchgear so as to ensure the compatibility of End terminations. (a) Straight Length - Indoor IP-54-Measured over Centre line of Duct

(b) Straight Length -Outdoor IP-66-Measured over Centre line of Duct

(c ) 90 Deg Bend (Vertical / Horizontal)-Extra-Measured over and above straight length

(e ) Adaptor Box at 415V Main LT Panel End Rubber Bellows along with Phase Cross over/matching assembly with in the panel

(f) Adaptor Box at Transformer End+Rubber Bellows

(g) 3Phase +Neutral Braided copper flexibles at Transformer end

(h) 3Phase +Neutral Braided copper flexibles at Switchgear end

(i) Space Heaters Assembly

(j) Busduct Hanger Supports

(k) Silica Gel Breathers

(l) Wall frame Assembly with Fire Barrier

SUPERVISORY CONTROL AND DATA ACQUISTION (SCADA): Design, Supply, Installation, Testing and Commissioning of SCADA system end-compassing the newly proposed equipment such as Transformers, 415V Main LT Panel, Sub-distribution Board, APFC Panels. SCADA system shall be with Two number PC Based Server cum Operating Work Cum Engineering Station in Hot-standby mode along with Laser jet Printer and associated Cubicle/Rack/Furniture. Ethernet Switch as required shall be provided as part of the respective switchgear panels. Remote Input/output modules (RIO/ RTU/Flexi IO) shall be used with Digital input and outputs such as CB Status monitoring and Control. These modules are to be envisaged to be part of the respective switchgear panels. All the Protection relays are Numerical type with IEC-61850 Protocol on TCP-IP Network with CB Open/Close Control functionality. All the TVM/LM/PQM meters shall be with Modbus Protocol on TCP-IP Network with measured value acquisition. Basic functionality of SCADA shall be Energy Management, Power Quality Analysis, Remote Operation of equipment, Interface for Building Management System and 66kV Substation Automation System. Complete as per SCADA Architecture / Single Line Diagram(SLD)/Specification/Datasheet, complying to IS / IEC Standards, Approved Makes, inclusive of Routine Tests. SCADA shall be compatible with the third pary Building Management System (BMS) by any Open Protocols. (a) Redundant PC Workstation (Hot Standby) Industrial Grade PC Server /Operating / Engineering Work Station.

(b) LCD Monitor-21 Inch Colour, Key Board, Mouse

(c ) Laser Jet Colour Printer-A4

(d) Rittal make 19 inch based Rack along with Floor mounting Free Standing Cabinet, Glass Door to house Server Ethernet switch, PC and other accessories

(e ) APC make 230VAC UPS, 19inch Rack mountable, of sufficient rating but with minimum of 5kVA with 12V SMF Battery Bank sized for 30minutes of Battery Back up.

(f) Industrial Ethernet Switches with 110VDC or 230VAC Powered, as required shall be provided as part of the respective switchgear panels as per SCADA Architecture Drawing. Qty shall be decided by bidder along with 20% Spare ports in each switch

(g) Remote Input/output modules (RIO/ RTU/Flexi IO) 110VDC or 230VAC Powered, shall be used with Digital input and outputs such as CB Status monitoring and Control. These modules are to be envisaged to be part of the respective switchgear panels as per SCADA Architecture Drawing. Qty shall be decided by bidder along 20% Spare I/O points

(h) Cat-5 or /6 Cable-Industrial Grade Ethernet cable to be used to interconnect all the above devices to the server ,to be laid in the PVC Duct-External to the Panel-Bidder to estimate the Quantity required.

(i) SCADA System License-Number of Tags shall be as per the connected Devices with minimum of 100 Tags per Device-One Time Buy

(j) Integrated Site Acceptance and Demonstration of SCADA functionality at Site-7 Working Days minimum and Training of O&M Personnel

EARTHING AND LIGHTNING PROTECTION SYSTEM: Design, Supply, Installation, Testing and Commissioning of Earthing System with Centrifugally Cast Iron earth pipe 3 meter long, 150mm dia, wall thickness of 13mm including GI Clamps, Funnel, accessories, and Excavation in earth and back filling, compacting the earth, providing masonry enclosure with cover plate having locking arrangement and watering pipe treated with charcoal/ coke and salt as required for below mentioned earthing complete in all respect. (a) Body earthing

(b)Transformer Neutral earthing

(c ) Lightning Protection

(d) Electronic Earthing for SCADA System

Supplying and laying of below mentioned strips on surface or in recess for connections including mounting supports, PVC sleeves terminating with nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of nut bolt & spring washer spaced at 50 mm). (a) 75mm X 12 mm Hot Dip GI strip for Earthing

(b) 75mm X 10 mm Hot Dip GI strip for Earthing

(c ) 50mm X 8mm Copper Strip or Earthing

1.1kV Grade, 16Sqmm Single Core Copper Conductor PVC Insulated (Yellow-Green coloured Cable) for Electronic / SCADA System Earthing

Supply, laying and termination of the following sizes of Hot dip GS Earthing Flats on building roof / wall as per specifications including all support clamps and fixings. All joints in the run of conductor shall be done by overlapping and with 2 sets of nut bolt & spring washer spaced at 50 mm). (a) 25 x 3 mm Hot Dip GI strip for Roof Conductor and Down Conductor

(b) 25 x 6 mm Hot Dip GI strip

(c ) Test link complete with weather proof FRP enclosure for Lightning Protection Earth Pit

Below mentioned items shall be operated as per the Engineer in Charge (IISc) discretion: Supplying and installing following size of perforated Hot Dipped Galvanised steel cable tray (galvanization thickness not less than 50 microns) in convenient sections, joined with connectors, including horizontal and vertical bends, reducers, tees, cross members suspended from the ceiling with G.I. suspenders or supported with Angle iron in Trenches including G.I. bolts & nuts, etc. as required. (a) Ladder Type Cable Tray-600mm Wide

b) Ladder Type Cable Tray-300mm Wide

Supplying and installing following size of perforated Hot Dipped Galvanised Steel cable tray (galvanization thickness not less than 50 microns) with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with G.I. suspenders or supported with Angle iron in Trenches including G.I. bolts & nuts, etc. as required, The Exposed portion of the tray shall be provided with covers. (a) 300 mm width X 62.5 mm depth X 2.0 mm thickness

(b) 150 mm width X 50 mm depth X 1.6 mm thickness

(c ) 75 mm width X 50 mm depth X 1.6 mm thickness

Supply & Installation of Structural steel of various sections to form Cable carrier system and other such work including MS Angles, Channels, Rounds, Plates, and Flats complete with fabrication, Powder Coating and painting as directed by Engineer in Charge (IISc).Drawing / Sketch shall be approved by Engineer in Charge (IISc).

Safety relevant: Providing and fixing of 11kV Grade Safety Insulation Mats as per IS:15652, Anti Skid type for entire Switchgear Room

Providing and fixing of 4.5kG Class CO2 type Portable Fire Extinguisher on wall

Providing and fixing of Set of Sand Buckets with Stand

Providing and fixing of First Aid Box complete with all standard first aid materials

Providing cable trench cover with lifting arrangements and any other openings with Mild Steel Plates of approved design and thickness wherever required as advised by Engineer in Charge (IISc). Drawing / Sketch shall be approved by Engineer in Charge (IISc).

Miscellaneous Works: Providing and fixing of A1 size Drawing Display Board with Laminated drawing

Providing and fixing of Shock Treatment Chart in English and Local Language

Providing and fixing 415V danger notice plate of 200 mm X 150 mm, made of mild steel, at least 2 mm thick, and vitreous enamelled white on both sides, and with inscription in single red colour on front side as required.

Providing and fixing 11kV danger notice plate of 250 mm X 200 mm, made of mild steel, at least 2 mm thick, and vitreous enamelled white on both sides, and with inscription in single red colour on front side as required.

One inch Height Bold Painted Text Labelling and marking of all the supplied equipment like Transformers, Panels.., etc.,

Temporary Power supply: Providing Compact RMU Substation with 11kV VCB Transformer and 415V Outgoing Feeders as a Temporary Power Supply Arrangment to IISc SERC Building and other Critical loads identified by Engineer In Charge and making all temporary cabling interconnection for the duration as required for project re-vamping . Rates shall be offered on daily rental basis. Power at 11kV level shall be provided at one place by IISc. Make of RMU Substation shall be preferably SIEMENS/ SCHNEIDER / EATON.

DG Synchronisation Panel Outgoing feeder Revamping: Removal of existing Directly Buried 415V Cables-4Runs of 3.5C X 400Sqmm-3 Feeders and Re-laying of the same in below mentioned Hume pipes. (Note : Supply : Nil as the existing cables shall continue to be in service . Only Installation, Testing and Commissioning shall be offered.)

Supply and installation / laying Of RCC Hume Pipe NP3 class of 300mm dia including Civil Works, excavation of earth, PCC bed around hume pipe inserts and back filling, compacting the earth as per specification.

Civil Works: Providing and injecting chemical emulsion for Pre-constructional anti-Termite treatment, creating continuous chemical barrier under and around the column pits, walls, trenches, basement excavation, top surface of the plinth filling, junction of wall and floor, along the external perimeter of building, expansion joints, over the top surface of consolidated earth on which apron is to be laid, surrounding of pipes and conduits, with chlorpyriphos emulsifiable concentrates of 20 % concentration, including cost of chemical, diluting in water to one percent concentration, labour, HOM of equipments. complete as per specifications (Plinth area of building at ground floor only will be measured.)

Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts complete as per specifications. Dismantling RCC M20 of existing transformer foundations.

Dismantling of existing structures like culverts, bridges, retaining walls and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts complete as per specifications. Dismantling brickwork between ion of bldg.

Providing and constructing granite / trap / basalt rubble stone masonry in foundation with cement mortar 1:6 (uncoursed), bond stones at two m. apart in each course including cost of materials, labour, curing complete as per specifications.

Providing and laying in position plain cement concrete of mix 1:4:8 with OPC cement @180kgs, with 40mm and down size graded granite metal coarse aggregates @ 0.85cum and fine aggregates @ 0.57cum machine mixed, machine mixed, concrete laid in layers not exceeding 15cms. thick, well compacted, in foundation, including cost of all materials, labour, HOM of machinery, curing complete as per specifications.

Providing and laying in position reinforced cement concrete of design mix M25 with OPC cement @ 340kgs, with 20mm and down size graded granite metal coarse aggregates @ 0.70cum and fine aggregates @ 0.47cum, with super plasticisers @ 3 litres confirming to IS 9103-1999 reafirmed-2008 at machine mixed, concrete laid in layers not exceeding 15cms thick, vibrated for all works in foundation for footings, pedestals, retaining walls, return walls, walls (any thickness) including attached pilasters, columns pillars, posts, struts, buttresses, bed blocks, anchor blocks & plinths etc., including cost of all materials, labour, HOM of machinery, curing, complete as per specifications.

Providing and removing cantering, shuttering, strutting, propping etc., and removal of form work for foundations, footings, bases of columns for mass concrete including cost of all materials, labour complete as per specifications.

Providing and removing centring, shuttering, strutting, propping etc., and removal of form work for columns, pillars, post and struts, circular or curved in plan including cost of all materials, labour complete as per specifications.

Earth work excavation for foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom , backfilling the excavation earth to the extent required and utilising / transporting the remaining earth locally up to 1.00km lead. (Depth up to 3.00Mts)-Ordinary / Hard soil - Mechanical Means

Earth work excavation for foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom , backfilling the excavation earth to the extent required and utilising / transporting the remaining earth locally up to 1.00km lead. (Depth up to 3.00Mts)-Hard Rock (requiring blasting) - Mechanical Means

Refilling available earth around pipe lines, cables in layers not exceeding 20 cms in depth compacting each deposited layer by ramming after watering with lead up to 50 m and lift up to 1.5 m including cost of labour complete as per specification.

Providing T.M.T steel reinforcement for R.C.C work including straightening, cutting, bending, hooking, placing in position, lapping and/or welding wherever required, tying with binding wire and anchoring to the adjoining members wherever necessary complete as per design (laps, hooks and wastage shall not be measured and paid) cost of materials , labour, HOM of machinery complete as per specifications. T.M.T bars Fe 500

Supplying, fabricating and fixing in position as in drawings MS curb angles, channel frames, insert plates anchor bolts ,rungs, etc., including split anchors for equipment foundations etc at all levels.

Drilling and / or making holes / openings in concrete of any grade in slabs, beams, or walls at all locations any grade in slabs, beams, or walls at all locations

Providing and Constructing burnt brick masonry with approved quality of modular bricks of standard size of class designation 5.0 Newton per sqmm (table moulded) with cement mortar 1:6 for basement and superstructure including cost of materials, labour charges, scaffolding, curing complete as per specification.

Construction of partition wall 11.2cms thick with nonmodular ground moulded burnt bricks of class designation 5.0 Newton per sqmm with cement mortar 1:4 including providing and fixing plaster mesh manufactured out of hot dipped galvanised iron of nominal thickness 0.35mm. 100mm wide as per I.S. 2212/1991 at 7.5m.c to c including cost of materials, labour charges, scaffolding, curing complete as per specifications.

Providing 12mm thick cement plaster in single coat with cement mortar 1:4 to brick masonry including round off corners wherever required smooth rendering. Providing and removing scaffolding , including cost of materials, labour, curing complete as per specifications.

Providing 18mm thick cement plaster in single coat with cement mortar 1:4, to brick masonry including rounding off corners wherever required smooth rendering, Providing and removing scaffolding, including cost of materials, labour, curing complete as per specifications.

Providing 13mm thick cement plaster in single coat with cement mortar 1:3, to ceiling including rounding off corners wherever required smooth rendering, Providing and removing scaffolding, including cost of materials, labour, curing complete as per specifications.

Providing and finishing external walls in two coats with water proof cement paint of approved brand and shade to give an even shade after thoroughly brooming the surface to remove all dirt and loose powdered material ,free from mortar drops and other foreign matter with primer cost of material ,labour, complete as per specification.

Providing and applying two coats with oil bound washable distemper of approved brand and shade on wall surface including priming coat with distemper primer after thoroughly brooming the surface free from mortar drops and other foreign matter including preparing the surface even and sand paper smooth, cost of materials, labour, complete as per specifications.

`Providing chain link fencing 50 mm size of 8 gauge properly stretched between rectangular poles and fixed with suitable bolts and nuts,the free ends shall be welded to the pole and block pipe at top and bottom as required including cost of all materials, labour, lead and lifts and as per the directions of the Engineer-in-charge of work including two coats of approved quality paint over one coat of shop paint.

Providing and fixing M.S.gate as per drawing using 50 mm X 50 mm 14 gauge M.S. hollow pipe frame work bent to ornamental shape as shown in the drawing and 35 mm X 6 mm and 16 mm X 16 mm square rods for verticals alternatively spaced at 4 cms c/c in two halves and 40 mm X 6 mm M.S. flats for horizontal member and at the top cast iron spikes are provided at alternate vertical members as shown in the drawing etc complete. All the steel surface should be thoroughly cleaned free of rust and painted with anti corrosive paint (shop paint) etc. complete. The work includes cost of all materials, labour charges for all items of work, hire charges for welding, cutting and grinding equipment, and electricity charges with lead and lift, loading and unloading charges etc complete as per specifications

Providing and filling 40 mm downgraded coarse aggregates in the transformer foundation and in the substation area

Providing and placing in position precast reinforced cement concrete waffle units, square or rectangular, as per design and shape for trench covers, poles etc., in 1:1½ :3 (1 Cement : 1½ coarse sand : 3 graded stone aggregate 10mm nominal size), including flush or deep ruled pointing at joints in cement mortar 1:2 (1 cement : 2 Fine sand), making necessary holes of required sizes for carrying through service lines etc., providing steel hooks for lifting etc, form work in precasting, handling, hoisting, centering and crection complete for all floor levels but excluding the cost of reinforcement.

Supplying & Fixing pressed steel door frames size 125 X 65 mm manufactured from 1.25 mm thick carbon steel or imported steel strips with mitred joints of 900 for door openings and shutters made out of seasoned Honne wood, styles of 30 mm thick with lock rail of 160 mm width top and side rails of 100 mm width and bottom rail of 250 mm width and panel filling with 12 mm thick particle board of exterior grade bonded with phenol formaldehyde resin and the shutter shall be rot proof ,vermin proof, heat resistant guaranteed against shrinkage, warpage and such other defects for a period of 3 years. This shall be as per approved drawings, specifications and direction including cost of conveyance, manufacturing, painting with enamel paint 2 coats over primer coat, cost of labour for all items of work, machinery, equipment and all other incidental charges with lead ,lift, loading and unloading etc ,complete. The hollow portion of the frame to be filled with cement concrete 1:2:4

Supply and fixing pressed steel window frames of size 100x50 mm manufactured from 1.25mm thick carbon steel or imported steel strips with neat mitred joints at 900degree for window opening and shall be suitable to fix M.S. grills as per design and drawings using 12mm dia rods at 100mm Centre to Centre horizontally and two members of M.S flats of 6mmx40mm size at 150mm apart, welded into a frame of 6mmx40mm size M.S. flats with 16mm size lugs, and 8 Nos. of 100mm size hinges, 4Nos of butt stay pins and 4 Nos. Tower blots and shutters half panelled and half glazed with shutters made out of seasoned hone wood, styles of 30mm thick and 100mm width and rails of 30mm thick and 100mm width and using 4mm thick pin headed glass and panel, filling with 12mm thick particle board of exterior grade bonded with phenol formal decide resin and the shutter shall be rot proof vermin proof, heat resistant guaranteed against shrinkage, wrap age and such other defects for a period of 3 years. This shall be as per approved drawing, Specification and direction including cost of conveyance, manufacturing painting with2 coats enamel paint over one coat of prime, cost of labour for all items of work, machinery, equipment and all other incidental charges with all lead , lift loading and unloading etc., complete. The Hollow portion of the frame to be filled with cement concree1:2:4

Providing and Fixing rolling shutters of approved make out of 18 gauge ,75 mm wide cold rolled steel laths of convex corrugation with side guides and bottom rail, with interlocking arrangements for steel laths by means of alternate clips, suspension shaft with high tension coil type springs two numbers, mounted on specially designed pipe shaft, with bracket plates, guide channels ,ball bearing arrangements .for inside and outside locking with push and pull operations complete including pulling hooks,4 nos.,handles with all fittings and accessories etc complete

Providing white washing to ceiling and /or sloping roof surface in two coats with lime of approved quality, to give an even shade including cost of materials, labour complete as per specifications

Providing and applying Polymer based water proofing slurry having chemical resistance properties, capable of self curing within 3 to 4 hours of its application in normal atmospheric conditionable of withstanding a Temperature of 200 degree Celsius for protective negative coating for water dampness and seepages comprising of Portland cement, lime stone, silica sand, alumina cement, sodium aluminate in the form of powder composition at 3.30 kgs mixed with 1 litre of acrylic emulsion, applied on 0.64 sqm area /litre of slurry on a cleaned surface free of loose materials etc. Complete on roof slab, masonry structures filling the joints capable of self curing within 3 to 4 hours of its application in normal atmospheric conditions including cost of materials, labour etc complete.

Providing and laying flooring 40mm thick, with an under layer of 30mm thick M-15 cement concrete, using broken granite metal of 12.5mm nominal size and top layer of 10mm thick plaster with cement mortar 1:3, finished with floating coat of neat cement, including cost of materials, labour, curing complete as per specification

Providing Ceramic tiles of Size 15 cm X 15 Cm ,6 mm thick, approved make, shade and size for flooring, treads of steps and landings laid on a bed of 12mm thick, cement mortar 1:3 mix, flush pointing with white cement using colour pigment, including cost of materials, labour, curing complete as per specifications.

Providing skirting,dadoing ,risers of steps with colour glazed tiles on 10 mm thick cement plaster 1:3 and jointed with white cement slurry over existing rough plaster surface using glazed tiles of approved make and size including cost of materials, labour, complete as per specifications

Supplying and laying HDPE Pipe 160 mm external dia inside the excavated trench as per the specifications and drawing including butt welding of ends of pipes for continuity complete as directed by the Engineer-in-charge.

Providing and filling sand in foundation plinth to required depth for sub soil treatment including watering remming with all lead and lift complete as per specifications.

Cat (B) - Buy Back Items Buy-Back (ie minus) - 11/0.433 kV 1000 kVA Transformer

Buy-Back (ie minus) - 11/0.433 kV 500 kVA Transformer

Buy-Back (ie minus) - 11kV Switchgear Panel

Buy-Back (ie minus) - 415V PCC / MAIN LT Panel

Buy-Back (ie minus) - APFC Panels

Buy-Back (ie minus) - OLTC Panel

Buy-Back (ie minus) - Interconnection bus duct

Buy-Back (ie minus) - Un used Cables Al Conductor after identification by Engineer in Charge (IISc)

Buy-Back (ie minus) - Un used Cables Copper Conductor after identification by Engineer in Charge (IISc)

Buy-Back (ie minus) - Iron/Steel Scrap Materials after identification by Engineer in Charge (IISc)

shanti enterprises electricals pvt ltd

Konstelec Engineers Pvt. Ltd.

Maverik Facility Management PVt. Ltd.