This tender from the Capital Development Authority (CDA), E&M Division Aiwan-e-Sadr, Islamabad, invites bids for the year-round operation and maintenance of sub-station solar installations, fire alarm systems, air-conditioning units, and lifts. Additionally, it covers providing and laying power supply at the residence second floor for 03 phase, 04 ton AC, and various miscellaneous electrical works at Aiwan-e-Sadr. The scope involves handling complex electrical and mechanical systems in a high-security government facility, requiring skilled contractors familiar with solar and electrical infrastructure in Islamabad. The work demands adherence to Pakistan Engineering Council (PEC) codes and categories, with valid PEC licenses mandatory for participation. Contractors must also be registered with the Federal Board of Revenue (FBR) and have NTN and GST registration. The tender emphasizes compliance with PEC categories ME-03, EE-04, ME-01, EE-11(1), and ME-02, ensuring only qualified firms with relevant experience can bid. Firms must also maintain an active ATL status for the fiscal year 2025-26 to meet FBR requirements. Bidders should prepare their technical and financial bids carefully, ensuring Earnest Money or Call Deposit Receipt (CDR) is generated from the firm's account and submitted with the bid. The submission deadline is the 31st of March 2026 at 11:30 am, with tender opening scheduled for 12:00 pm the same day at the Director A/Sadr office, Room No 32, Aiwan-e-Sadr CDA Islamabad. No hard copies of bidding documents will be issued; all submissions are through the PPRA EPADS portal. Pro-Tip: Make sure to upload the scanned copy of the bid security on EPADS and provide the original CDR with the application before the deadline. Also, check the newspaper advertisement for any specific stamp duty requirements, which are often overlooked but critical for bid acceptance.