This document provides a comprehensive standard form of bidding for procurement of works contracts ranging from Rs. 2.5 million to Rs. 50 million. It is intended for use by procuring agencies in Sindh for national competitive bidding and includes instructions to bidders, bidding data, conditions of contract, specifications, and drawings if any. The document outlines eligibility criteria, bid submission requirements, evaluation procedures, contract award, and performance security details. It aims to ensure transparency, fairness, and compliance with Sindh Public Procurement Regulatory Authority rules. The bidding document covers all aspects of contract management including bid security, validity, submission methods, and dispute resolution. It also includes provisions for mobilization advance, secured advances on materials, and integrity pact requirements for contracts exceeding Rs. 10 million. The document is designed to be tailored by procuring agencies according to project specifics and is supported by standard forms for bid security, performance security, and contract agreement.