This tender invites contractors registered with Pakistan Engineering Council (PEC) for the construction of wash rooms and special repair works at the existing ground floor wash rooms attached to the office of Chief Engineer (CSD) at IESCO Head Office, Sector G-7/4, Islamabad. The project involves civil works including cement concrete, brickwork, RCC, plastering, flooring with granite tiles, aluminum windows and doors, electrical wiring, plumbing, sanitary fittings, and finishing works. The site is located in Islamabad, requiring contractors to manage logistics and engineering challenges typical of urban infrastructure repair and renovation within an operational office environment. Contractors must hold PEC registration renewed for 2025-26 with at least Category C-6 and specialization code CE-10. Bidders should be active taxpayers with valid FBR and PRA registrations and demonstrate financial capability with a fresh bank balance up to 50% of the estimated cost. Performance certificates from previous similar works in government or semi-government organizations are mandatory. Earnest money deposit of 4% of the estimated cost in the form of CDR is required, and bids below 10% of the NIT amount must submit additional call deposit as performance security. The tender follows a single stage, single envelope bidding procedure under PPRA rules. Bidders must comply with all PEC and FBR requirements for the fiscal year 2025-26. The contract includes a one-year defect liability period and requires performance security of 10% of the contract value. Submission deadline is on the bold date of 15.04.2026 at 11:00 AM, with bid opening at 11:30 AM at the office of Chief Engineer (O&M) IESCO, Street No. 40, Sector G/7-4, Islamabad. Bids must be submitted in sealed envelopes with all mandatory documents including bid security, PEC registration, tax certificates, and performance certificates. Pro-Tip: Ensure the bid security and additional call deposit requirements are strictly met to avoid disqualification. Also, verify the latest PEC category and FBR registration validity to comply with eligibility criteria. Physical submission of original bid security and non-refundable printing charges must be completed before the deadline to avoid rejection.