PowerPoint Presentation

[image] ooo Electrical Team Directory Authorised personnel contact directory for the electrical department and DC area access control. ELECTRICAL DEPARTMENT DC AREA ACCESS.

[image] ooo DEPARTMENT LEADERSHIP Lead Electrical Gautam Kumar Designation: Lead Electrical Contact: 9800220171.

[image] SHIFT MANAGEMENT Shift In-Charge — Electrical Three shift in-charges oversee electrical operations across all shifts. S. Sathish Kumar 9344369845 V. Kulasekaran 9789675391 Sandeep Samanta 9333689822.

[image] ELECTRICAL TECHNICIANS Electrical Technicians Part 1 Veera Chandran 8925821524 B. Surya Prakash 8925821524 Vigneshwar 8925821524.

[image] ELECTRICAL TECHNICIANS Electrical Technicians Part 2 Shrinivasan 8925821524 Ravi Ranjan 8925821524 Ram Ranjan 8925821524.

[image] ACCESS CONTROL DG Area Policy Authorisation 1 Authorised Entry Only: Authorisation is granted solely to enter the diesel storage area — not to work on any electrical panel. This permission covers access to the diesel storage area only. RESTRICTED AREA 1 1.

[image] SECURITY PERSONNEL Authorised Security — DG Area Access Security personnel authorised for DG area entry (access only — no panel work permitted). Name Janaki Raman Arul Ramesh Mohan Designation ASO ASO Security Guard Department Security Security Security Contact No. 7973741262 9445436710 6900673230.

[image] SUMMARY Team at a Glance 1 Lead Electrical Gautam Kumar 3 Shift In-Charges Sathish Kumar, Kulasekaran, Samanta 7 Technicians Electrical operations tea m.

[image] Fatality Prevention Guidelines Electrical Safety Minimum mandatory requirements to prevent fatality or injury from arc flash and electric shock — covering all AMNS electrical systems and contractors working above 50 V AC / 120 V DC. im.

[image] SCOPE & DEFINITIONS What This Standard Covers In Scope • All workaboveSOVAC/120VDC • Interventions on bare conductors (even de- energized) • Work inside electrical rooms or opening cabinets Portable electrical equipment usage Key Terms • Qualified Person: formally recognized by employer (NFPA 70E) Energized: connected to electrical supply • Isolated: disconnected from all sources • High Voltage: > 1000 V.

[image] APPROACH BOUNDARIES Safety Distances & Boundaries Approach boundaries define safe dista nces from energized components. NFPA 70E defines these for voltages from 50 V to 800 kV. Boundaries must be clearly displayed on equipment. • Limited: Unqualified persons must be accompanied by a qualified person and use PPEs • Restricted: Only qualified persons allowed; PPEs required • Arc Flash Boundary: Distance within which a person could receive a second-degree burn; must be calculated or provided by supplier When a cabinet is open, temporary barriers must be placed at the furthest approach boundary. o RESTRICTED APPROACH BOUNDARY Closest Qualified persons only with PPE. o LIMITED APPROACH BOUNDARY - Unqualified persons need escort and PPE. ARC FLASH BOUNDARY - Farthest - Second-degree burn risk if arc occurs..

[image] CIRCUIT DESICN Electrical Equipment & Circuit Design Protection Ratings New/modified equipment must meet minimum IP2X/lPXXB (low voltage) or (high voltage) against accidental contact. Arc Flash & Shock Plan A formal plan must define incident energies, appropriate PPEs, and procedures for operation, inspection, and maintenance. Isolation & Protection Isolation strategies must be defined during equipment specification. Overload and earth leakage protection required on all final circuits..

[image] PERM ITTO WORK Work Orders, HIRA-Lite & Permits Work Order HIRA-Lite LOTOTO Isolations Issue Permit All electrical work requires a work order, HIRA-lite, and formal permit. Non-electrical work near electrical equipment also requires a work order and SOP or HIRA-lite. High-voltage work must be done in pairs — the second person must be able to rescue using an insulated hook.

[image] Personal Protective Equipment Arc-Rated Clothing Minimum Class 2 (8 cal/cm2) by default full sets (min 40 cal/cm2) must be available in every substation/electrical room. Insulating Gloves Must be covered by arc-flash rated leather gloves. Inspections required per manufacturer and local legislation. Prohibited Items Synthetic underwear (nylon, polyester) within arc flash boundary. Conductive jewelry, metal-frame glasses within restricted boundary. Rescue Hook An insulated rescue hook must be present in each substation/electrical room..

[image] LOTOTO Lockout / Tagout / Try-Out 01 02 Lock & Tag Out Disconnection Physical separation of conductors Physically prevent accidental re-connection 04 05 Absence of Voltage Test Grounding Last-minute test before approaching — mandatory each shift and personnel change 03 Physical Identification Identify isolated equipment on the shop floor Mandatory for HV systems or where re-energization risk exists @ Every IWI must be developed and validated byat least 2 qualified persons, including the designated area expert..

[image] LABELING & GUARDING Signaling, Labeling & Access Control ARC FLASH HAZARD Minimum Labeling Requirements • Cabinet/panel/room identification Warning: electric shock & arc flash hazard, PPEs required Voltage level(s) (e.g„ 4160 V, 480 V) Incident energy at working distance and/or minimum arc rating of PPEs Arc flash boundary distance Access & Guarding • Switchyards and electrical rooms must be locked with controlled access Non-compliant equipment must be in locked enclosures Physical barriers required when cabinets are open.

[image] Training, Qualification & Testing Competency Requirements • All personnel near electrical equipment: hazard training at hire and every 3 years max • Electrical workers must be qualified (formally recognized by employer) • Contractors must prove qualifications; verified through audits Inspections & Documentation PPEs, tools, and equipment inspected per manufacturer and local legislation • Results recorded; unsafe equipment removed from service Up-to-date documentation: single-line diagrams, fault levels, arc flash energy, equipment details LEVEL 3 ITI (LINEMAN/WIREMAN /ELECTRICIAN) + 5 YRS EXP DECREE (ELECTRICAL) + 1 YR EXP LEVEL 1 DIPLOMA (ELECTRICAL) + 3 YRS EXP SAFETY TRAINING: 900/0+ SCORE REQUIRED.

[image] HIERARCHY OF CONTROLS Risk Control Hierarchy & Key Rules o Level 5 PPE last resort — used with upper controls Level 4 O Administrative Controls policies, procedures, training, permits Level 3 Engineering Controls barriers, interlocks, insulated blankets Level 2 Substitution by Design infrared windows, arc-resistant switchgear Level 1 Elimination de-energize equipment — The top 3 controls manage risk before it reaches the employee. PPE is the last resort — never the sole control. Working on energized equipment is the exception, not the norm. It requires written justification, work permit authorization, and appropriate voltage-rated PPE and insulated tools..

[image] Positive Energy Isolation Procedures Steel Service Centre — Chennai By: Gautam Kumar I Electrical Department | 29 February 2024 SAFETY TRAIN ING LOTO PROCEDURES.

[image] ELECTRICAL ISOLATION MCCB Positive Isolation — Steps 1 & 2 MCCB begins in the ON position. Follow this procedure to isolate safely. Initial State MCCB is ON. Confirm equipment location before proceeding. Step 1 — Reach Panel Proceed to the line main power distribution panel. Identify the correct MCCB circuit. Step 2 — Switch OFF Push the MCCB lever down to switch off. Confirm the OFF position visually..

[image] ELECTQE.AL SOLATON MCCB Positive Isolation — steps 3 & 4 Step g — Apply LOTO Kit Fit appropriate MCCB LOTO kR on lever to prevent accidental re-energisation Step 4 — Lock & Tag Secure the equWment Iæk tag on the LOTO kit. Record your name, date. and reason on tag. Never proceed witto•ut a personal lock and tag in place..

[image] MCCB Positive Isolation Step 4 — Try Out use a multimeter or voltage tester to check MCCB output terminals. Confirm zero voltage before work begins. Test all output terminals — phase-to-phase and phase-to-earth • VeriSi tester on a known live source before and after Try Out Verification.

[image] HYDRAULIC ISOLATION Hydraulic Enerv Isolation Steps 1 & 2 Step 1 — Reach Power Pack Locate the line main hydraulic power pack. Identify the ball valve on the tank outlet line. Step 2 — Confirm Open Position Ball valve starts open — lever at 1800 parallel to the tank outlet line. Confirm before proceeding..

[image] Hydraulic Enerß' Isolation — 80 steps 3 & 4 Step 3 — Close the Valve Turn the hmdle 90• until the lever is to liræ — v*ve is now dosed step4—App1YLOT0 Fit the with tag on the Corrwete Lock Out Out lock tydr*dic isdnion correct.

[image] Hydraulic Energy Isolation — Step 5: Try Out n-ERU(STAT 1500 2000' 2500 Step 5 — Pressure Check Read the hydraulic pump outlet pressure gauge to perform Try out. Gauge must show zero pressure before work begins. Confirm gauge reads O bar / O psi • Check for residual pressure by cracking fittings cautiously Record the reading on the isolation permit 00.

[image] Pneumatic Energy Isolation Steps 1 & 2 Step 1 — Confirm ()pen Position Ball valve starts open — lever at 1800 parallel to the outlet line. Identify before proceeding. Step 2 —Close the Valve Turn the handle 900 clockwise until perpendicular to the line — valve is now closed..

[image] Pneumatic Energr Isolation — step 5: Lock Out Tag Out Step5—App1yLOTO Secure the equi*r.nt lock tag on the valve Corrwete Lock Out Tag Out documentation before swting work. Use your lock — never share Fi II in narne, date , rezon on the Retin the key until work is LOTO protects you skip a step.

W}LT IS SAFE LOTO? LOTO SYSTEM IS:- Lack-cut Is As The •caTol Of En«gy- In Pracbæ. Locacut Is The Of Energy From The System (a Mzt*te. Proces) Which mvy•sicdty System In A Sa' %de. WHY IS LOTO IMPROTANT:- For The 9uJtd0M1 is Requred In Certan Circurnstarces, Such As Wt•en TYMe Is Ehctri:.al Ptyær Availü To Maintain Tt•g Equprn«tt On Line And Plant Most Be Doan io Daroge Of Injury Due To An Efi*f9ency Coot»n (e ,gsne) Shutdoa•n Of The Poser Smrce By Any Safety Equipment May Affee lnWity Of Po« WHO IS LOTO AUTHORIZED EMPLOYEE:- A WYD Is The Cusso&an Of Atea Arul Assocnntec Equonmt. She Are Auttuized By Wnage-r*nt To Exercise His f Exclustjve Rjgtts For The Opeabm Ard Of Præess And Its In kea. A Pgson Trait*d And Authorted To Mh Em@ment And Who Involved TYPES OF LOTO APPLICATION:- 2. Hydr•alic 5. 3. Machmical 6. Otler Source Emrgy LOCKOUT TAGOUT STATION LOCKOUT STEPS:- 1. Prepre For O.ltdom 2. Notify A" Empbyees Of he Ae.nes And Equornent hvow 3. St•gut The Eqlgment the Energy S. Oisepate Resnual Energy 6. Appazbk Devices 7. Verty That The Equvnert is Prop«ty RELEASE FROM LOCKOUT:- 1. Remm•e Tcols And 2. Check Fcy Ernc*oyees 3. Rest)re Energy 4. Remove Lockoan Tagcut De•aces S. Notify Affected LOTO STATION ELECTRICAL CIRCUIT BREAKER ELECTRICAL PANEL LOCKOUT purpose Pat* out Chua Lock Block m Bar MECHANICAL LOCKOUT HASP DANGER NOT use Red Big Loaout Big Big i•usp out.

LECTRIC SHOCK I SHORT CURCIT WPRKlNé 'j WRONG PRACTICE "RIGHT PRACTICE CAUSE OF ELECTRICAL ACCIDENTS.

AMINs INDIA LOCK OUT TAG OUT TRY OUT SYSTEM (DOJO BOARö) -EDSÄEA VORK WHAT IS LOTO ? Lock out is defined as the "Control of hazardous energy' in practice.Lock Out is isolation Of energy from the system( A machine, equipment's,or process) Which physically lock the system in a safe mode. WHY IS LOTOTO IMPORTANT ? The Lock Out [Tag out/ Try out procedure prevents the unexpected start up or release of stored energy That could cause injury to employee by placing a Lock and lor warning tag on energy isolation devices. WHO IS LOTOTO AUTHORIZED EMPLOYEE ? A Who is the Custodian Or Owner of the area or process or Associated equipment. He/she are authorized by the management to Exercise His/her exclusive rights for the operation and use of the process and Or its associated equipment in the designated area. A person trained and Authorised to work with the equipment and who urderstands tye hazards TYPES OF LOTOTO APPLICATION I. Electrical 2.HydrauIic 3.MechanicaI 4.GravitationaI 5. Thermal 6_ChemicaI 7 X)ther sources Of energy LOCK OUT STEPS:- I .Prepare for shut down. 2 _ Notify all affected employees of the activities And 8Wiprnent involved 3. Shut down the equipment. 4.1soIate equipments the hazardous energy source. 5.Dissipate Residual Energy 6 Apply applicable out Or Tag Out devices. 7. Verity that the equipments is properly isolated RELEASE FROM LOCK OUT:- s and replace 2. Check for employees 3.Restore energy 4 Notify the affected em p I Oyees 5 Remove Lock out Tag out ' CRN Safety Fencing & Energy Isolation Point Layout ELECTRIC PANEL MAIN OPDESK energy O Hydraulic Poht FENCE WALL ISOLATING DEVICES & ITS APPLICATION Miniature Nylon Circuit Breaker Shackle Miniatum Squeeze r Sc is sor Ball valve B roy Lock out valve Lock Big I LOCK OUT STATION] WWWXRMLOT(XCOM CAUSE OF INJURIES RELATED TO LOCKOUT TAGOUT Multiple purpose Circuit Cable Lock out With universal Breaker Lod La rge Circuit Breaker out Round Multi purpose Cable Lock Out pit; Lock Cylinder E lectrical Plug L Out circuit Breaker Blocking Vinyl Coated valve lock small Multi purpose Cable Lock Out - Electric Loto Tag Faüe to Failure to discmnect equipnwlt/ machines from power ource. STORED ENERGY Failure to M"hineJ Equipment Specific prEedures. rest"tg Of Lack o' LOTO SYSTEM, traming audit In a plmt. Loto Hasp Bar Lock out.

[image] Arc Flash & Shock Protection Plan A comprehensive safety framework to protect personnel from arc flash and electrical shock hazards across all plant electrical systems..

[image] Purpose & Scope Minimize the risk of injury or death from arc flash and electrical shock hazards associated with electrical equipment. Voltage Coverage All equipment operating above 50 V AC and 120 V DC Equipment Covered CRS, CRW, CRN, HRS, HRW, HRN, EOT Cranes, substations, and all powered areas 4 0000.

[image] Roles & Responsibilities Management Ensure compliance and provide necessary resources Electrical Workers Follow procedures and use required PPE Safety / Electrical Team Conduct assessments and develop safety procedures Supervisors Enforce compliance and safety protocols.

[image] Risk Assessment & Arc Flash Hazard Analysis Arc flash hazard analysis is conducted per IEEE 1584 to determine incident energy levels at all equipment points. All equipment must be labeled with: ARC FLASH BOUNDARY.

[image] Personal Protective Equipment (PPE) PPE requirements are defined based on hazard levels. All PPE must be properly maintained and inspected. Arc-Rated Clothing Face Shields & Balaclavas Insulating Gloves Arc Flash-Resistant Gloves & Footwear.

[image] PPE Selection Matrix ment eber R I.otber) Glasses/ Goggk•s Röh Face Shidd' est loce ure • hr<u•: ond 3 • before • Perform "me roll air oressure est condition befor• • r damage before ur Innedtord'mo:e and deanliness befo e ach uz Storage& Care • Stort in ' clnnond dri For • Dispose of PPf •Mets i lubricants Store in ac location • in shield bog to dust and dam sgr • wiffl 'mdd detergent md in the • Chemical substances csuse • or cruets • or on *weld • in the •Store in "it yorinh nn/ ry •Oilor on brit 10 cation •rears fabnc • Followmyut&dumr Zuid"" for • or laun dering damaged that • F'ilure to Omanish • 00 not use bleach, 'larch when laundering used Mandatory Arc Flash Requirements LTV01tage Minimum 8 kcal arc flash protection required HTV01tage Minimum 40 kcal arc flash protection required @ HT-rated hand gloves may be used for LT voltage. All hand gloves must be clearly rated for the applicable voltage..

[image] Hand Glove Insulation Standards PPECATEGORY 4 cal/cm2 L r t tlothirg: • Nardivt • Henne • Leather :asrceded} HT Gloves PPECATEGORY 8 calltma Clü,g: hare neem • Satct/ salat' • Lea•her 25 callcma "it.•e•". Nits • hot Rated for high tension — may also be used for LT work 40 cal/tm2 Reed Glove Rating Requirements pants Insulated hand gloves must be clearly rated for the applicable voltage level. IT Gloves Rated for low tension — for LT applications only.

[image] Safe Work Practices 01 De-Energize Whenever possible, de-energize equipment before work 04 Work Permits Implement permits for all energized work 02 Verify Use appropriate testing devices to confirm de-energization 05 03 Boundaries Set and enforce arc flash and shock boundaries Insulated Tools Use only insulated tools and equipment.

[image] Emergency Response & Continuous Improvement Emergency Response • Develop and communicate procedures for electrical accidents • Ensure first aid and medical assistance are accessible • Train personnel in rescue procedures Program Review Review the protection plan annually Update hazard analysis and labels as needed Incorporate lessons learned and incident.

[image] Electrical Safety Procedures & Training Live Work & LOTO When energized work is necessary, strict procedures apply: • Conduct hazard assessments before work • Use PPE and insulating barriers • Limit access to authorized personnel only • Follow Lockout/Tagout (LOTO) procedures to ensure equipment is de-energized Training & Awareness Regular training is provided and records are maintained on: • Arc flash and shock hazards • Proper PPE usage • Emergency procedures.

[image] SOP and HIRA Verification Summary Compret•ensive coverage of Starda rd Operotirg Proceduresa rd Haza rd identiö:at ion Risk Cont rol mea wresfor n-aintem me, e—ctrka L cra re. "b r. nd energy izb ton activties..

[image] Presentation Scope and Key Documents 01 Master File Scope Covers SOP developm ent and HIRA verification for 172 detailed subactivities in maintenance and operations. Includes controlled procedures for diverse tasks ensuring com prehensive safety and quality standards. 02 Key Document Usage Links each activity to specific SSOP and work instruction docum ents with clear revision and verification status. Enables traceability and compliance through docum ented verification outcomes..

[image] SOP Library Coverage 01 Comprehensive Elect rical Procedures Irr bde s nuinte rarce of ekctrical gonels. H Tard LT operations, transformer ærvi:es. arderergy izkzfbn protocolsaccordirg to 34 SOP docu rne nt Operat ional Control and Safety Focuse son corf rol m upgrades, Iftirg wpports.ard positive inbtdn mettüdsto maintain integrity and mrVer safety. 02 Mechanical and Equipment Maint •nance Covers OG maintenarce. cror* ratdns. cab4e byirg. ard sobr PV modu— tasks ensu nrg nfety ard co mplnrce..

[image] HIRA Verification Status at a Glance 01 02 Verified Activities with WI Documents Many critical activities in HIRA have correspondhg Work Instruction (WI) doccmenfs marked as available. showing fhcrough documentation and control mea sures in place for various maintenance and safety tasks. Unverified Activities Needing Review A smaller number of sthacfivifies still lack linked WI references or have missang information, indicating area s fhaf require further review cr cornplefion to ensure comprehenstve cwerage..

[image] Electrical Maintenance Activities Covered Line Mainfenance Includes repair and replacement of fights. fittings. motors. and crane inspections to ensure operational safety and efficiency Panels and Breakers M aintenance. replacement. ard testirg of electrical panels, M CCB s. ACBs. and VCBs including lockout/tagout procedures. Cable Laying & Termination Covers ur-loading, laying. tern-ination. and repair of underground and flexible power cables with proper SOP adherence. Transformer & Lighting Work Activities include routine transformer maintenance. positive isolation. and installatio n/maintenance of various 'ghting fittings.

[image] High-Risk Work and Energy Isolation Controls Energy Isolation Protocols Key safety activities include positive isolation, MCCB and ACB isdation, and hydraulic and pneumatic isdation. These rely on lockout/fagout procedures, try-out checks, and verified zero energy before m aintenance or repair begins to ensure worker safety. SOP.

[image] Crane and Lifting System Maintenance Crane Systems Coverage Includes EOT crane power collector inspection, highbay and highmasf lighting m aintenance, and festoon cable and trdley wa-k. Safety instruments and drive panel m aintenance are also covered under dedicated procedures ensuring safe elevated access and operational reliability..

[image] Solar, CCTV, Cleaning, and Temporary Wiring Activities Rooft op Work Includes instabtøn. ckaning. and maintenance of rooftop sobr modules and safety Ife line instalbtbn to ensure secure access during operatøns. MoM oring Inspect ion Sy st •ms Covers CC insta lbtØn and maintenance wth regubr inspectbn of cameras. cabk•s. ard components for surveilhrce and securty. Ut iliy Support Tasks Focuses on ckaning and painting of e fcal ne Is. te rnpo ra ry wiring for hand too Is. and thorough inspectonof portabk hand tools to support maintenance work..

[image] Sl. No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 a. SSOP develo Document no. SC-C/MNT.E/WVOI SC-C/MNT-E/Wl/02 SC-c/MNT-E/Wl/03 SC-C/MNT-E/Wl/04 SC-C/MNT-E/Wl/05 SC-C/MNT-E/Wl/06 SC-C/MNT-E/Wl/07 SC-C/MNT-E/Wl/08 SC-C/MNT-E/Wl/09 SC-C/MNT-E/WI/IO SC-C/MNT-E/WI/II SC-C/MNT-E/Wl/12 SC-C/MNT-E/Wl/13 SC-C/MNT-E/Wl/14 SC-C/MNT-E/Wl/15 SC-C/MNT-E/W1/16 SC-C/MNT-E/Wl/17 SC-C/MNT-E/Wl/18 SC-C/MNT-E/Wl/19 SC-C/MNT-E/Wl/20 SC-C/MNT-E/Wl/21 SC-C/MNT-E/Wl/22 ment for different activi and sub activ• . Total 172 sub activ• captured. SSOP Description CCW VIGILANCE/ LINE INSPECTION CAMERA & CAMERA COMPONENT INSTALLATION ,/REPLACEMENT/MAINTENANCE CLEAING & PAINTING OF ELECTRICAL PANEL MAINTENANCE OF DG SET MAINTENANCE OF DRIVE PANELS MAINTENANCE OF EOT-CRANES OPERATION & MAINTENANCE OF HT PANEL( VCB MAINTENANCE OF LT AC MOTORS OPERATING DESK/CONTROL POST(UPGRADATION OF CONTROL SYSTEM) MAINTENANCE OF MCC (MOTOR CONTROL CENTRES) PANELS MAINTENANCE OF PLC PANELS OPERATION & MAINTENANCE OF POWER TRANSFORMER INSTALLATION & COMMISIONING OF CONTROL DESK PANELS LT PANEL ACB RELAY TESTING TEMPORARY WIRING FOR HAND TOOLS (PORTABLE TOOLS) REPAIR & INSTALLATION OF FALSECELLING LIGHT FITTING REPAIR & INSTALLATION OF HIGHMAST LIGHT FITTING SENSOR INTERLOCK VERIFICATION & RESTORATION REPAIR & INSTALLATION OF LIGHT FITTING USING LADDER BUS DUCT/ BUS BAR INSTALLTION & MAINTENANCE POSITIVE ISOLATION REPLACING CHECKING OF PANEL ELECTRICAL COMPONENT ROOF TOP SOLAR MODULE INSTALLATION ,CLEANING & MAINTENANCE.

[image] SC-C/MNT-E/Wl/23 SC-C/MNT-E/Wl/24 SC-C/MN SC-C/MN SC-C/MN SC-C/MN SC-C/MN SC-C/MN SC-C/MN SC-C/MN SC-C/MN SC-C/MN -E/W1/25 -E/WV26 -E/WV27 -E/W1/28 -E/'.W29 -E/W1/30 -E/WV31 -E/W1/32 -E/W1/33 -E/W1/34 INSTALLATION OF TEMPORARY AND PERMANENT LIFELINE UG CABLE/ FLEXIBLE UNLOADING LAYING REPAIR & TERMINATION HT PANEL vca RELAY TESTING WEIGHT SCALE ELECTRICAL MAINTENANCE HT AB SWITCH OPERATION HT HG FUSE REPLACEMENT LT ACB OPERATION LT APFC MAINTENACE REPAIR & INSTALLATION OF HIGHBAY LIGHT FITTING CONTROL CABLE LAYING & TERMINATION PORTAL TOOL INSPECTION OPERATION & MAINTENANCE HTYARD POLE MAINTENANCE CLEANING & PAINTING.