Design and build services for the full rehabilitation and replacement of rubber bladder of the angat afterbay regulatory dam (bustos dam) (r3-aardd-db-1)

Invitation to Bid (ITB):Design and build services for the full rehabilitation and replacement of rubber bladder of the angat afterbay regulatory dam (bustos dam) (r3-aardd-db-1)
1) the national irrigation administration, through the government of the philippines (gop), saro-bmb-c-26-0007543 intends to apply the sum of one billion three hundred eighty-four million six hundred twenty-four thousand two hundred and ten pesos (php 1,384,624,210.00), being the approved budget for the contract (abc) to payments under the contract for design and build services for the full rehabilitation and replacement of rubber bladder of the angat afterbay regulatory dam (bustos dam), with project identification number r3-aardd-db-1. bids received in excess of the abc shall be automatically rejected at bid opening. 2) the national irrigation administration now invites bids for the rehabilitation of the angat afterbay regulatory dam (bustos dam). completion of the works is required within 720 calendar days including 70 pre-determined unworkable days from the date of the contractor’s receipt of the notice to proceed (ntp). 3) bidding will be conducted through competitive bidding procedures using the philippine bidding documents for infrastructure and the applicable procedures under the 2025 implementing rules and regulations (irr) of republic act (r.a.) no. 12009, or the new government procurement act. for this design-and-build procurement, the customized provisions of these bidding documents shall be read and applied consistently with r.a. no. 12009 and its official irr. pending issuance of updated design-and-build guidelines under r.a. no. 12009, the applicable provisions of annex “g” of the 2016 revised irr of r.a. no. 9184 shall continue to govern the design-and-build aspects of the procurement, insofar as they are not inconsistent with r.a. no. 12009, its irr and subsequent gppb issuances. the use of customized design-and-build provisions shall be subject to the requisite gppb approval or authority, when applicable. bidding is restricted to filipino citizens/sole proprietorships, cooperatives, and partnerships or organizations with at least sixty percent (60%) interest or outstanding capital stock belonging to citizens of the philippines. bidders should have completed a contract similar to the project, covering both detailed engineering design and construction, with a cost equivalent to at least fifty percent (50%) of the approved budget for the contract (abc). the abc for the contract is php 1,384,624,210.00. the description of an eligible bidder is contained in the bidding documents, particularly in section ii. instructions to bidders and section iii. bid data sheet. bidders who have no experience in db projects on its own may enter into subcontracting, partnerships, or joint ventures with design or engineering firms for the design portion of the contract. for avoidance of doubt, the engagement of a design or engineering firm through subcontracting, partnership, joint venture or other arrangement permitted by these bidding documents shall not divide or diminish the single-point responsibility of the design-and-build contractor to nia. the design-and-build contractor shall remain fully responsible for the adequacy, accuracy, completeness, coordination, constructability, safety and performance of the design and the completed works, including the acts, omissions and outputs of its designers, design subcontractors and other consultants. 4) interes