May 2024

Upgrading 25KV AC OHE for LAR Yard remodeling Lalitpur to Dailwara - Birari Chord line in NCR

Design, Supply, Erection, Testing and Commissioning of Conversion of Unregulated OHE to Regulated overhead Equipment’s (OHE) of 25 KV A.C, single phase, 50 Hz. in Pune-Lonavala section and OHE modification in Pune- Daund section of Pune Division of Central Railway. Electrical OHE Work:
Erection of 100 Metric Ton K/B/G/T/ S-Series cantilever mast, mast of head Span/uprights of D/G type Portals – manually. Erection of 70MT portal Booms/Angle fabricated portal boom upright by using rail crane.
Supply & erection of 25 KV section insulator suitable for 193 sq mm contact For OHE system on turn out /loop line (242/129/125) sq mm main catenary and 193 sq mm contact wire.
Supply & erection of dropper and dropper adjustment: For AC insulation on newly erected structure (All new droppers/ fittings in one span)
Supply & erection of jumpers: 12 (I) 105 IOL in span jumper For 2 wire system Supply & erection of jumpers 105 G Jumper Supply & Erection of Jumper for Isolator Adjustment of OHE; Formation of new (IOL) at SP/SSP/TSS /Neutral
Supply & erection of Turnouts/cross overs, supply & erection of 25 KV, 1600 amps, single pole Isolators without earth contact assembly

25 KV AC OHE modification work & removal of infringements in Ahmadnagar-Ashti

Design, supply, erection, testing & commissioning of 25 KV AC OHE including OHE modification work & removal of infringements etc. in Ahmadnagar-Ashti in connection with New Railway Line Between Ahmadnagar Beed-Parli.

Electrical OHE Work:
• Cement concrete for foundation & Plinth In hard soil & rocky soil 2092 cum, & other than hard soil & rock 2093 cum.
• Manual erection of traction masts, fabricated/Rolled including TTC / Portals:-613 MT Erection in NPB.
• Supply & Erection of 598 MT fabricated roled galvanised traction masts, portals, TTC.
• Supply & Erection of Portal & TTC Boom by Road crane :-Erection in NPB. Supply & Erection of fabricated galvanised of small parts of steel (SPS):Erection in PB.
• Manual erection of conventional type OHE along with all required components including supply of dropper wire 69 kilomiter (inNPB).
• Supply & Erection of 3 pulley type Regulating equipment with counter weight assembly & SPs for conventional type OHE.

25 KV, AC, 50 HZ, OHE in Connection with Construction of 3rd line between Basai - Bijrautha in North Central Railway of Jhansi Division

Design, Supply, Erection, Testing and Commissioning of 25 KV, AC, 50 HZ, HE in Connection with Construction of 3rd line between Basai – Bijrautha Section in North Central Railway of Jhansi Division.

Electrical OHE Work:
• Supply & Erection, Oil filtration, testing and commissioning of 25 KV/240 Volt, 10 KVA, LT Supply Transformers. [ AT ]
• Supply & Erection of Traction Mast, main mast, of switching stations, Booster transformers station, Fabricated from rolled Mild Steel joist [RSJ] of Size 203 mmx152 mm x 52.0kg/meter and Galvanized in Length.
• Supply & Erection of 120MT Fabricated and Galvanized Structure. [O, N & R Type Portal. TTC] with necessary component other than Masts.
• Supply & Erection of Fabricated and Galvanized Steel work other than Traction Masts. Supply & Erection of Guy Rod assembly.
• Supply & Erection of Regulating Equipment 3 Pulley modified Type with Counter Weight assembly for Conventional OHE.
• Extra on Erection of Traction Masts, Main Fabrication Masts under Power Block for Erection of Fabricated and Galvanized Structure. Steel Structure [Traction Mast] Galvanized and Fabricated Type- B-150, B-175, B-200.

25 KV AC OHE and other associated works MYG, Karjan & Dabhoi

Supply, Erection, Testing & Commissioning of 25 KV AC OHE and other Associated works MYG, Karjan & Dabhoi in connection with G.C between MYG -SMLA.

Electrical OHE Work:
• Supply & Erection of overhead equipment for 50TKM, including catenary, contact, jumper and dropper wires.
• Supply & Erection of rolled or fabricated and galvanized traction mast and auxiliary transformer masts, TTC and portals, auxiliary transformer masts, feeder mast, bridge masts etc. Erection of fabricated and galvanized steel works other than traction mast.
• Supply & Erection regulating equipment 3 pulley type each complete with all accessories including counter weight assembly and SS wire rope for conventional OHE.
• Supply & Erection of single cantilever assembly complete with insulator for conventional OHE and inside the tunnel.
• Supply & Erection of overhead equipment, including catenary, contact, jumper and dropper wires.
• Transportation of Railway supply materials (Contact wire/Catenary wire/Masts and other OHE equipment’s) from Railways depots at Vadodara/Mahim to site.

General Electrification Works in AGNEL CHARITIES (AGNEL SEVA SANGH), Vashi.

Leena Electro Mechanical Pvt Ltd has undertaken the comprehensive supply, installation, testing, and commissioning of panels, distribution boards, and switchgears to ensure robust electrical infrastructure for commercial establishments. The detailed scope of work includes:

Supply, installation, and commissioning of cubicle type panels featuring tinned copper busbars, switchgears, and wiring, with a 7-tank pre-treatment, powder-coated finish for durability.

Main LT Panels equipped with auto changeover switches, MCCBs, load managers, digital multimeters, and phase indicating lamps for efficient power distribution.
Dedicated UPS Panel configured with MCCBs, load managers, indicating lamps, and mechanical interlocks to ensure seamless power supply.
Design and installation of detuned APFC capacitor panels with thyristor switching, gas-filled capacitors, and thermostat-controlled exhaust fans for power factor correction.
Various distribution boards catering to different requirements, including lighting, power, lift, and external lighting, each equipped with appropriate RCBOs, MCBs, and indicating lamps.
Supply, installation, and commissioning of switchgears in MS enclosures, including MCB isolators, MCCBs, and TVSS for surge protection.
Provision of online IGBT-based inverters with VRLA battery backup, MCCBs, interconnecting cables, and comprehensive testing and commissioning.
Installation of sandwitched copper rising mains with high short circuit ratings, along with MCCB tap-offs and thorough testing for proper connectivity.
Conducting thermal imaging and power analysis of major terminations using advanced equipment to ensure optimal performance and safety.

This comprehensive electrical solution provided by Leena Electro Mechanical Pvt Ltd ensures reliable power distribution, protection, and efficiency, meeting the stringent requirements of commercial establishments.

Fire Fighting System Work in AGNEL CHARITIES (AGNEL SEVA SANGH),Vashi

Leena Electro Mechanical Pvt Ltd has meticulously designed and implemented the fire alarm system at AGNEL CHARITIES (AGNEL SEVA SANGH), Vashi. This comprehensive system comprises various components and features to ensure swift and efficient response to potential fire hazards.

Key elements of the system include:

Installation, testing, and commissioning of a fire alarm panel capable of accommodating 600 addresses. This panel is equipped with essential features such as fire/fault indication, test/silence buttons, AC/DC ammeter, and SMF batteries for backup power.
Integration of photoelectric smoke detectors, heat detectors, recessed break glass units, recessed hooters, and remote response indicators, all addressable for precise identification of alarm locations.
Implementation of an AC cut-off unit, short circuit isolation modules, and control modules to enhance system reliability and safety.
Wiring of smoke detectors, heat detectors, break-glass units, and remote response indicators using shielded cables complete with conduit and accessories for optimal performance and durability.
Installation of a fire alarm repeater panel to provide additional monitoring and control capabilities.
Incorporation of beam detection technology with transmitter, receiver, and monitor modules to cover expansive areas effectively.

This meticulously designed and integrated fire alarm system ensures proactive detection and response to potential fire incidents, enhancing the safety and security of AGNEL CHARITIES (AGNEL SEVA SANGH), Vashi.

132KV/110KV, 50 MVA Grid Substation at Igatpuri & 22/11 kV Overhead Crossing into Underground Crossing at 6 locations in Mumbai Division of Central Railway.

Design, Supply, Erection, Testing and Commissioning of 132kV/110kV, 50 MVA Grid Substationat Igatpuri & Replacement of 22kV/11kV Overhead Crossing into Underground Crossing at 6 locations (Asangaon, Thakurli, Umarmali, Kharadi, Ambivali, and Kasara), in Mumbai Division of Central Railway in connection with the Kalyan – Kasara 3rd Line Project.

The Scope Of Work Includes:

Supply, Erection, Testing and Commissioning of 132kV/110kV, 50 MVA Grid Substation at Igatpuri.
Replacement of 22/11 kV Overhead Crossing into Underground Crossing at 6 locations (Asangaon, Thakurli, Umarmali, Kharadi, Ambivali, andKasara), in Mumbai Division of Central Railway in connection with the Kalyan – Kasara 3rd LineProject.

Two Nos. of 132kV/110kV, 50MVA transformers (With 132 kV CB- 2Nos. as incoming, 2 Nos.CB 110 KVoutgoing, feeders with Directional relaywith directional highest & 3 Phase digitaldistance protection relay and 1 No.Bus couplers CB with Directional relaywith directional highest.

25kV Sectioning & Paralleling Post Work at Panvel in Kurla-Panvel section of Central Railway

Design, manufacture, supply, erection, testing & commissioning of 25kV Sectioning & Paralleling Post (SP) at Panvel in Kurla-Panvelsection of Central Railway. The work also includes modifications at Panvel AC TSS and modifications in SE and NE sections of the Mumbai division on Central Railway. The scope of work of this tender also includes the design and development of a suitable protection scheme for the above switching station and supply, erection, testing and commissioning of the control & relay panel in line with RDSO’s specification no. TI/SPC/PSI/PROTCT/4050 with the latest revision.

The Scope Of Work Includes:

i) Modifications at Panvel AC TSS (addition of 02 CBs along with related works, including suitable protection scheme for these modifications).

ii)Modifications at Titwala AC TSS (addition of 01 CB along with related works (along with suitable protection scheme for these modifications).

(b) Civil Eng. works related to the construction of Switching stations & AC TSSs, like the Construction of the control room building, levelling of the plot, construction of the approach road, etc., also add to the scope of this work.

110kV/27kV, SINGLE PHASE 50Hz, AC TRACTION SUBSTATION WORK AT MANKHURD TSS IN CSTM-PNVL SECTION OF CENTRAL RAILWAY

Design, Manufacture, Supply, Erection, Testing And Commissioning Of 110kV/27kV, Single Phase 50Hz, Ac Traction Substation Complete WithDouble Circuit 110kVTwo-Phase Incoming Feeder Arrangement, Two Nos. Of 110kV/27kV, 21.6 MVATransformers, Two Nos. Of 25kV Single Phase Incoming Feedersand Five Nos. Of 25kV Outgoing Feeder Arrangements, Including Foundations, Structures And All Ancillary Equipment At Mankhurd TSS In CSTM-PNVL Section Of Central.

SCOPE OF TSS WORK :

a) These tender papers relates to the design, manufacture, supply, erection, testing and commissioning of 110kV/27kV, single phase 50 Hz, AC traction

Substation complete with double circuit 110kVtwo-phase incoming feeder

Arrangement, two nos. of 110kV/27kV, 21.6 MVA transformers, two nos. of

25kV single phase incoming feeders and five nos. of 25kV outgoing feeders

The arrangement, including foundations, structures and all ancillary equipmentat Mankhurd TSS in the CSTM-PNVL section of Central Railway.

b) The scope of work of this tender also includes the design and development of a suitableprotection scheme for the above traction substation and supply, erection,testing and commissioning of control & relay panel in line with RDSO’sspecification no. TI/SPC/PSI/PROTCT/4050 with latest revision.

c) Civil Engineering works like earth filling and levelling of plot, construction of control room building, etc., as per Part-II of the schedule, are also added to the scopeof work.

PSI Work at Bilaspur Region CHAMPA-JHARSUGUDA over South East Central Railway.

“PSI work Provisionof newSP, SSP&modificationwork of existingSP, SSP and Provision of 3rdbayatCPH, KHS,RIG andJSGTSS including modificationto SCADAandshifting of capacitorbankinconnectionwith3rdlinework between CHAMPA-JHARSUGUDAoverS.E.C.Railway”.

Traction Sub-Station Works:

These tender papers relate to work of Design, Supply, Erection, Testing and Commissioning of the following work in connection with the 3rd line between CPH-JSG:-

Provision of 3rd bay at Champa Traction Sub-Station (CPH/TSS), Raigarh Traction Sub-Station (RIG/TSS) and Kharasia Traction Sub-Station (KHS/TSS) over S.E.C.R. in the state of Chhattisgarh.
Provision of 3rd bay at Jharasuguda Traction Sub-Station (JSG/TSS) over the S.E.C.R. state of Odisha. The provision of new SP/SSP at Sakti (SKT/SSP) and Bhupdeopur (BEF/SP) over S.E.C.R. is in the state of Chhattisgarh.
Provision of New SP/SSP at Daghora (DAO/SP), Belpahar (BPH/SSP) and Lajkura (LJKR/SSP) over the S.E.C.R. state of Odisha.
Dismantling of existing SP/SSP and transportation of its released materials to Elect/Con/BSP/Store/Depot from Sakti (SKT/SSP) and Bhupdeopur (BEF/SP) over the S.E.C.R. state of Chhattisgarh.
Dismantling of existing SP/SSP and transportation of its released materials to Elect/Con/BSP/Store/Depot from Daghora (DAO/SP) and Belpahar (BPH/SSP) over S.E.C.R. the state of Odisha.

Modification of existing SP/SSP at Baraduar (BUA/SSP), Jharadih (JDI/SP), Kotarliab (KRL/SSP) andJamga (SSP) of S.E.C.R. in the state of Chhattisgarh Modification of existing SSP at Brajrajnagar (BRJN/SSP) over S.E.C.R. in the state of Odisha.

132kV/27kV Single phase 50Hz AC Traction sub-station Work at Jamdha, Rajmane, Shirud & Dhule in Chalisgoan-DhuleSection of Bhusaval Division in Central Railway.

Design, manufacture, supply, erection, testing &commissioning of 132 kV/27 kV Single phase 50 HZAC Traction sub-station Complete with double circuit132kV Two phase incomingfeeders arrangement, TwoNos of 132 KV/27 kV, 21.6 MVA Transformer two no’s of 25 kV single phase in coming feeders and seven no’s of25 kV outing going feeder arrangement includingfoundation, structure and all ancillaryequipment atBorvihir TSS & 25 KV Sectioning & Paralleling post(SP) at Jamdha and Sub-Sectioning & Paralleling post(SSPs) at Rajmane, Shirud & Dhule in Chalisgoan-DhuleSection of Bhusaval Division in Central Railway.

Traction Sub-Station Works:

The Scope of this work covers Design, manufacture, supply, erection, testing &commissioning of 132kV/27 kV Single phase 50 Hz AC Traction sub-station Completewith double circuit 132kVtwo phase incoming feeders arrangement.
Two Nos of 132kV/27kV, 21.6 MVA Transformer, two no’s of 25kV single phase incoming feeders and seven no’s of 25 kV outing going feeder arrangement including foundation, structure and all ancillary equipment at Borvihir TSS.
25kV Sectioning & Paralleling post (SP) atJamdha and Sub-Sectioning & Paralleling post (SSPs) at Rajmane, Shirud & Dhule inChalisgoan-Dhule Section of Bhusaval Division in Central Railway.
Design, supply,erection, testing and commissioning ofControl Panel suitable for double circuit, double transformer,132kV/25kV,21.6MVA TSS and FP ( 25kV Feeder CB-3, 25kV Tr. CB-2 Nos. 25kV bus coupler CB-1, 25kV Interrupter-1 &132kV CB-4 + 132kV bus coupler.

Supply, fabrication,galvanisation, and erection of steel gantry, portal, and supporting Structures and small part steel work.

220kV/27kV, single phase 50Hz, Gas Insulated Switchgear (GIS) base AC Traction Substation testing and commissioning work at Kharbao in Mumbai Division of Central Railway.25 KV, AC, 50 HZ, OHE in Connection with LAR Yard remodeling between Lalitpur and Dailwara - Birari Chord line in NCR

Design, manufacture, supply, erection, testing and commissioning of new 220kV/27kV,single phase 50Hz, Gas Insulated Switchgear (GIS) base AC Traction Substation completewith two Nos. of 220 kV/27kV, 30 MVA transformers including 25kV switch gears (GIS),Outgoing feeder arrangement, Foundation, Structures & all Ancillary Equipment’s atKharbao in Diva- Vasai section of Mumbai Division of Central Railwayand dismantling ofall equipment’s of existing 110kV/25kV AC TSS & disposal ofthe same to Railway’snominated scrap depots located at various places in Mumbai area.

GIS Sub-Station Works:

The Scope of this work covers the Design, manufacture, supply, erection, testing and commissioning of a new 220kV/27kV, single phase 50Hz, Gas Insulated Switchgear (GIS) base AC Traction Substation.
Design, manufacture, supply, erection, testing and commissioning of two Nos. of 220 kV/27kV, 30 MVA transformers including 25 kV GIS switch gears, Outgoing feeder arrangement, Feeding posts, cross feeders, Foundations, Structures & all Ancillary Equipment’s at Kharbao in Diva- Vasai section of Mumbai Division of Central Railway.
The scope of works excludes the supply and erection of 220KV GIS switch gears, TSS fencing & 220KV cable between 220KV Switch gear and Traction transformers, which will be supplied and erected by DFCCIL. Still, it includes the supply and connection of control cables between 220KVswitchgear and the Control panel/other equipment.
The scope of works also includes dismantling all equipment of existing 110/25KV AC TSS & disposal of the same to the Railway’s nominated scrap depots located at various places in the Mumbai area.
Supply, erection, testing and commissioning of 72.5kV, 2000A single phase SF6/Air interface bushings.

25 KV, AC, 50 HZ, OHE in Connection with LAR Yard remodeling between Lalitpur and Dailwara - Birari Chord line in NCR

Design, Supply, Erection, Testing and Commissioning of 25 KV, AC, 50 HZ, OHE in Connection with LAR Yard remodelling duly accommodating Existing UP, DN & 3rd line and future New 4th line in connection with Jhansi-Bina 3rd line, Doubling between Lalitpur-Birari with flyover at Lalitpur and Dailwara – Birari Chord line in North Central Railway of Jhansi Division.

Electrical OHE Work:
• Supply & Erection of material for Termination of Single Conductor of Over Head Equipment or Termination Wire.
• Supply & Erection including insulator of materials for termination of copper cross feeder with gantries.
• Concrete for Foundation and Plinth:-In Hard Soil, Rocky Soil of 3000 cum.
• Supply & Erection of Traction Mast, Main mast, of switching stations, Booster transformers station, Fabricated from rolled Mild Steel joist [RSJ] of Size 203 mm x 152 mm x 52.0kg/meter and Galvanized in Length.
• Supply & Erection of Fabricated and Galvanized Structure. [O, N & R Type Portal] with necessary component other than Masts. Manual Erection Steel Structure [Traction Mast] Galvanized and Fabricated Type- B150, B-175, B-200.

May 2024

Pioneering Success: Central Railway’s First GIS Substation at Kharbao

PRECISION ENGINEERING: OVERCOMING CHALLENGES AT LEENA ELECTRO MECHANICAL PVT. LTD.