This tender invites pre-qualification applications from contractors for multiple technical and maintenance works at the Military Engineer Services Defence Production site in Rawalpindi. The scope includes internal and external electrical supply, internal and external Sui gas installations, annual operational maintenance and repair of HVAC systems, supply of electrical and mechanical items, and miscellaneous repair and renovation works. These works require contractors with proven experience in electrical, gas, HVAC, and civil repair disciplines, capable of handling complex site conditions at a strategic defence production facility. The works involve significant technical challenges including the installation and maintenance of electrical and gas supply systems, ensuring compliance with safety and operational standards. The HVAC maintenance requires specialized knowledge of refrigeration and ventilation systems to maintain optimal environmental conditions. The repair and renovation tasks demand skilled civil works expertise to restore and upgrade existing infrastructure. The site location in Rawalpindi adds logistical considerations for timely mobilization and resource management. Contractors must be enlisted with MES in categories A, B, C, or D and provide detailed credentials including financial standing, staff details, tools and plant availability, and past experience over the last two years. Compliance with PEC registration and FBR Active Taxpayer List (ATL) status for the financial year 2025-26 is essential. Earnest money deposits of 2% of the estimated costs are required in the form of FDR or Call Deposit Receipt pledged to CMES (DP) Chaklala. Failure to provide complete documentation or earnest money will result in disqualification. The submission deadline is set for 19 January 2026 at 11:30 AM, with bid opening at 12:00 PM on the same day. Applications and tender documents can be obtained and submitted at the office of the accepting officer at MES Defence Production, Railway Road, Chaklala, Rawalpindi. Interested contractors should ensure timely submission to avoid disqualification. Pro-Tip: Make sure to carefully review the earnest money requirements and ensure the deposit is pledged correctly to CMES (DP) Chaklala. Many bidders miss this detail, leading to rejection. Also, verify your MES enlistment category and ensure all supporting documents are attested by a Class-I Gazetted Officer to avoid delays.