Supply, Fixing, Installation & Commissioning of 500 KW Grid Tied Solar System at Seminar Hall, Ojha Campus, DUHS Karachi

Dow University of Health Sciences (DUHS), Karachi invites bids for the supply, fixing, installation, and commissioning of a 500 KW grid tied solar system at the Seminar Hall, Ojha Campus, Karachi. This procurement is conducted under the Single Stage One Envelope Procedure as per SPPRA Rules 2010 (Amended). Items being procured: - Solar PV Panels (N-type Mono-crystalline, 645 Watt or above) - Grid-Tied Inverters (125/150 kW, transformer-less string type) - DC Surge Arrestors - Remote Monitoring System (optional) - Solar PV Mounting Structure (Hot Dip Galvanized Iron, designed for 35m/s wind speed) - AC Combiner Box - AC Breakers (local) - DC and AC Cables with connectors and accessories - Mounting clamps and solar panel clamps - Engineering drawings (hard and soft copies) - Mechanical and electrical works including interconnection, grid voltage stabilization, lightning arrester - Utility approvals if applicable - Inverter room setup - Civil works including grounding pits - Procurement and transportation logistics - Commissioning and testing including training and troubleshooting The technical scope includes supply of high efficiency bifacial crystalline solar PV modules, string inverters with multiple MPPTs, electrical protection equipment, mounting structures designed to withstand harsh environmental conditions, and complete integration with existing electrical systems. The system must comply with international standards and local regulations including NEPRA and IEC certifications. Eligibility criteria require bidders to have valid PEC registration in appropriate electrical and mechanical categories, FBR registration with active taxpayer status, experience in similar projects with minimum contract values, and submission of bid security and tender fee. Warranty requirements include minimum 12 years for solar panels, 5 years for inverters, and 10 years for mounting structures. Bids must be submitted online through the EPADS portal by the specified deadline. The bid security amount is Rs. 2,000,000 and performance security is 10% of the contract value. Delivery and installation are required within 60 days of contract award. Payment terms include 50% advance against delivery and remaining after successful installation and acceptance. A practical tip for bidders: Ensure all technical documentation, including manufacturer authorizations, test certificates, and compliance statements, are complete and attached to avoid disqualification during technical evaluation. Early submission of tender fee and bid security originals at DUHS is mandatory before tender opening. This tender offers a significant opportunity for qualified firms to contribute to sustainable energy infrastructure at a premier health sciences university in Karachi.