Service Details

Introduction

We are Trunkey Electrical Contractors which offers Total solution from selection to final commissioning of Complete Electrical System with specialization in Bustrunking system & Lightening Protection System. We have team of qualified Engineers, Technicians and Associates with experience of more than 20 years in catering various industrial & commercial project requirements.We understand that today’s complex project requires Total solution partner and we are fully equipped to give total solution in terms of Selection, Design, Installation, Commissioning, Training for Maintenance & After Sales Services for the Products we work with. We are also equipped to undertake EPC & MEP Contracts.

General Scope of Work

  • Laisioning With Statutory Authorities
  • Design & Detailed Engineering (EPC Project)
  • Drawings / Documents Approval From Client / Consultants
  • Indoor & Outdoor Busduct , Busbar Trunking System (BBT)
  • UPS Power Distribution
  • HV And LV Cabling System
  • HT Indoor And Outdoor Panels
  • Transformers – Oil Cooled / Dry Type With And Without OLTC
  • Main LT Panel / Power Control Centre, Motor Control Centers
  • Automatic Power Factor Correction Relay Panel, Distribution Boards, Control Panels

 

General Scope of Work

  • Power Management System , Cable Management System
  • Lighting Installations And Circuit Wiring – For Normal And Emergency Needs   ,MCB Distribution Boards For Lighting And Power Sockets
  • Earthing & Lightning Protection System Installations
  • Area & Street Lighting
  • Alternative Source Of Power – Diesel Generator / Solar Power
  • Safety Equipment
  • Fire Alarm System ,Public Address System ,Video Surveilence System ,Access   Control System
  • Building Management System
  • Steel Fabrication

Laisioning With Statutory Authorities

Liaison work for obtaining the necessary clearances from the Power Supply Authorities (for getting clearance for new power connection), Electrical inspector / competent Authorities for getting approval of the total electrical installation work in the plant shall be carried . The drawings / documents as required by these authorities shall be obtained  from the concerned personnel from client / consultant and submitted to the successful bidder. Any modification/rectification as required by these authorities. Getting clearance and NOC from applicable pollution control board for DG set usage shall be considered within the scope of this item.

11 KV / 22 KV Double pole structure

To receive supply from licensing Board / Authority by overhead lines Installation of MS Double pole structure with civil foundation, assembling , H.T. apparatus like G.O. A.B. switch , D.O.Fuse, lighting Arrestor etc. on structure with interconnection with necessary earth strip connection.

11 KV VCB / RMU

  • Installation of 11 Kv VCB / ACB on Floor with necessary foundation work , leveling & checkin of ON – OFF operation by auxiliary supply .
  • Installation of P.T.Unit, checking of internal wiring & meter wiring.
  • Routine test of protection relays & auxiliary relays by relay testing kit. IR test by Meggar

Transformer

  • Installation of Out door / Indoor transformer on its respective foundation with the help of material handling equipment like crane , chain pulley block etc.
  • Making interconnection cabling work for HT VCB / ACB to transformer auxiliaries.
  • Making necessary earth connection to neutral & body.
  • Routine test of Transformer as below
  • IR test./ Ratio Test
  • Bucholz ,WTI, OTI, MOG -alarm / trip test.
  • OLTC /RTCC checking by auxiliary supply.
  • Oil BDV test.

L.T.Panel

  • Checking of all compartment of L.T.Power distribution panel & its metering & protection relay wiring before installation
  • Fabrication & erection of required MS structure on cable trench for panel.
  • Installation of L.T.Panel sections by section . making rigid body to body interconnections of the different sections. Making bus bar interconnections with require tools & tackels ,cleaning of completepanel by blower ,Making earth connection ,Routine IR test by Meggar.

H.T. Cable XLPE / PILC

  • Taking measurement of required length as per site requirement.
  • Checking condition of cable received in good condition – IR test by meager before & after laying , covering the cable by sand filling ( for cushioning ) & brick to protect from damage.
  • Making cable end connection by Heat shrinkable , push on type end termination kit Outdoor / Indoor as per the requirement by skill cable jointer.
  • Taking high pressure test ( 14 KV D.C. ) before final connection.

L.T.Cables

( a) Checking of physical condition of received cable drums.
( b) Making record of received cables size , length , make , drum nos. & IR valve
of each drum.
( c) Checking the require length & size of cables before cutting the cable from
drum mounted on jack to avoid physical damage.
( d) Laying of cables in cable trench ( excavated ) by covering with sand & brick from
all sides. Identification of cable route by fixing cable route markers.
( e) Laying on surface by proper saddles
( f) Laying on cable tray , bunching each cables by nylon string or clamping by
saddles.
( g) Tagging of each cable on both ends.
( h) Taking IR value of each cable & making note of it after laying & before
termination.
( i) Making cable end termination using proper size of cable glands , copper /
aluminum crimping type cable lugs , PVC tape etc. connections of cable to bus bars /
connectors strip of panels by proper tools & tackles.

Earthing & Lightning Protection System Installations

  • Making earthing pit at site location plate / pipe type electrode as per IS –3043.
  • Complete the pit by fixing cover on chamber with marking – Body /Neutral / No. of pit/ Type of pit.
  • Measurement of earthing resistance.
  • Laying & fixing of earth strip / conductor to the Apparatus.
  • Making Grid system of No. of earth pits.
  • Lightning Protection System Installation.

External Lighting

  • Marking of location of street light poles at site as per drawing.
  • Making foundation for poles.
  • Erection of pole on foundation.
  • Cable end termination in JB.
  • Installation of fitting on pole & pulling of wires from fitting to JB.
  • Separate earth conductor connections to pole for earthing.
  • Painting of pole with approved shed of paint.
  •  Testing & Commissioning .

Area Lighting

  • Marking of location of High mast poles at site as per drawing.
  • Making foundation for High mast with require nos. of foundation bolts.
  • As per drawings.
  • Erection of High mast pole on foundation by crane.
  • Installation of control panel on foundation.
  • Installation of flood light fixtures on High mast as per drawing.
  • Wiring of fixtures to control panel & their connections.
  • Main cable connections.
  • Making earth pit & earth strip connections to control panel & High mast pole.
  • Testing & commissioning.

Indoor & Outdoor Busduct , Busbar Trunking System (BBT)

Understanding customer requirements and taking site measurement as per load requirement and machine layout. Preparing Detailed Engineering Drawings  with BOQ and getting approval from Client/Consultant.

  • Transformer to LT Panel BBT Route.
  • DG to LT Panel BBT.
  • LT Panel to Different type of disturbation for plat machine BBT.
  • Endfeed Unit/Cable End to Raiser BBT for Hospital,High rise Buling Project.

Safety Equipment

Supply and Installation of following safety Equipent

  • Shock Treatment chart complete with frame and glass
  • First aid box
  • Rubber hand gloves - 11 KV ,415V grade
  • Laying of rubber floor mat for 11 KV  ,415V Grade.
  • Fixing of CO2 type Fire Extinguishers with stand
  • Cable route marker

 

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