Role summary

Execute hands-on restoration and O&M; work across the refinery's rooftop solar installations — module replacement, inverter repair, DC/AC distribution work, earthing and lightning protection, structural fixes and cable dressing — under refinery permit-to-work discipline, with full photo and checklist documentation for client submission.

Key responsibilities

Modules & strings

- Remove and replace defective modules; handle, transport and mount safely on live rooftops
- MC4 crimping and connector replacement; string continuity, Voc/Isc and IR testing with multimeter and clamp meter
- Assist thermographic (IR camera) surveys and tag suspect modules for the replacement schedule
- Module cleaning, shading checks and mounting hardware re-torquing

Inverters & distribution

- Inverter fault diagnosis, card/fan/component replacement, commissioning and parameter setting with OEM support
- Assist inverter capacity upsizing and re-cabling work
- Install and wire recent DCDBs at sites where they are missing; fuse, SPD,



MCB and isolator replacement in DCDB/ACDB
- Read and act on monitoring portal alarms and error codes

Earthing, LA & structure

- Install and test earth pits, earth continuity and lightning arrestor systems; measure earth resistance
- Assist structural repair and re-fixing of module mounting structures — columns, rafters, purlins, clamps
- Anti-corrosion treatment and hardware replacement

Cable management

- Full cable dressing rework: re-routing, clamping, conduit/tray work, ferruling and tagging as per standard
- Replace damaged DC/AC cables and conduits

Safety & documentation

- Work strictly under refinery work permits (height, electrical, hot work); no work without a valid permit
- Mandatory PPE, full-body harness and fall protection on all rooftop activity; LOTO before DC/AC isolation
- Daily job log, before/after photographs, test checklists and spares consumption records for each site

📌 Solar PV Installer (Mathura)
🏢 Surya Day Private
📍 Mathura