Supply and Application of RTV Silicone Rubber High Voltage Insulator Coating on AIS Switchyard Equipment at 500kV NKI Grid Station Karachi

National Grid Company of Pakistan Limited (NGCPL) invites bids for the supply and application of Room Temperature Vulcanizing (RTV) Silicone Rubber High Voltage Insulator Coating (HVIC) on AIS switchyard equipment at the 500kV NKI Grid Station, Karachi. This tender covers the complete scope of works including procurement/manufacturing of RTV silicone rubber coating material, its packing, loading, transportation, and application on various switchyard equipment such as post insulators, bushings, lightning arresters, CVTs, wave trap insulators, and transformer bushings. The contractor is responsible for surface cleaning, preparation, and application of the RTV coating using spray or dip methods ensuring uniform thickness and adherence as per international standards. The scope also includes mobilization of tools, plants, labor, and equipment, coordination with shutdown schedules, and disposal of waste materials. Bidders must be PEC licensed, registered on the Active Taxpayers List, and have experience in similar projects involving RTV silicone coating on high voltage equipment. The tender requires submission of technical and financial bids separately under the Single Stage Two Envelope procedure. Key dates include a pre-bid meeting on 2026-06-22 at the 500kV NKI Grid Station Karachi and bid submission deadline on 2026-06-30 at 11:00 AM. Bids must be submitted both in hard copy and electronically via e-PADS. Earnest money of 2% of the bid price is required. The contractor must ensure safety compliance, provide PPE to workers, and maintain insurance coverage including workmen compensation. The contract duration is 180 days from commencement. A practical tip for bidders is to ensure timely coordination with the Employer for shutdown schedules and to mobilize sufficient manpower and equipment to complete the work within the stipulated shutdown period to avoid penalties. All bids must comply with NGCP's technical specifications and type test policies. This tender offers a significant opportunity for qualified firms to engage in a critical maintenance activity at a major grid station in Karachi.