| 2 | Electrical Circuit Modification/Refurbishment for TIL Make RT 880 crane at FACT Cochin DivisionWork involves: The contractor shall commence the refurbishment work with a site inspection to assess existing circuits, wiring, load distribution, and safety compliance, followed by isolation of power and implementation of lockout–tagout (LOTO) procedures. All cables, conduits, distribution boards, switches, sockets, and protective devices shall be dismantled, with every connection properly labeled and obsolete components safely disposed of. The Contractor shall supply, install, test, and commission all materials and equipment required for the complete electrical refurbishment works, including but not limited to electrical wiring, switches, sockets etc. and all associated accessories. Refurbishment shall proceed with the installation of new fire-retardant or XLPE cables, cable conduits and trays, distribution boards, circuit breakers (MCB, MCCB, RCCB), surge protection devices, switches, sockets, and associated protective devices. This shall include complete rewiring of lighting, power, and control circuits, ensuring proper earthing, balanced load distribution, and phase balancing. Upon completion of installation, electrical testing shall be conducted, including continuity, insulation resistance, polarity, and earth resistance tests, along with functional testing of protective devices and load testing to verify system performance.Commissioning shall include energization of circuits after obtaining the required safety clearances, testing of equipment under full load conditions, circuit identification and labeling, preparation of updated single-line diagrams (SLD), and submission of all test reports and completion certificates as part of the final handover documentation.Throughout the entire process, IEC/IS/IEEE standards, local regulations, and strict safety protocols (with proper PPE usage) shall be followed. The contractor must provide the updated circuit diagram in both soft copy and two hard copies. |
