Republic of the Philippines

Province of Sorsogon

Municipality of Irosin



Invitation to Bid for

Construction of Various Works for the Safe Closure of Irosin Disposal Site


  1. The Local Government Unit of Irosin, through the Trust Fund (DENR-EMB 5) intends to apply the sum of One Million Five Hundred Thirteen Thousand Six Hundred Pesos and Sixty Nine Centavos (P 1,513,600.69) being the Approved Budget for the Contract (ABC) to payments under the contract for Construction of Various Works for the Safe Closure of Irosin Disposal Site, INFR-07-2018. Bids received in excess of the ABC shall be automatically rejected at bid opening.

Name of Contract              :               CONSTRUCTION OF VARIOUS WORKS FOR THE SAFE


Brief Description               :               construction of 6.00 linear meters CHB perimeter fence and                                                                5.0m wide steel gate/construction of slope protection, leachate

collection box and reservoir(39.731m leachate collection box, 43.0751m grouted rip-rap & 1.0mx1.0mx3.5m reservoir/installation of 293.55 l.m. natural fence with barbed wires/fabrication/installation of 19 units gas vent pipe

Approved Budget for the

Contract                               :               P 1,513,600.69

Contract Duration             :               60 calendar days

Source of Fund                   :               Trust Fund(DENR-EMB 5)


  1. The Local Government Unit of Irosin now invites bids for construction of steel gate & portion of concrete fence/construction of slope protection, leachate collection box and reservoir/installation of natural fence/fabrication/installation of gas vent. Completion of the Works is required sixty (60) calendar days and shall commence seven(7) calendar days after the issuance of the Notice to Proceed. Bidders must have experience of having completed at least one(1) similar project and whose value, of the contract, adjusted to current prices using the NSO consumer price indices must be equal to 50% of the ABC to be bid. The description of an eligible bidder is contained in the Bidding Documents, particularly, in Section II. Instruction to Bidders.
  2. Bidding will be conducted through open competitive bidding procedures using non-discretionary pass/fail criterion as specified in the Implementing Rules and Regulations (IRR) of Republic Act 9184 (RA 9184), otherwise known as the “Government Procurement Reform Act”.

Bidding is restricted to Filipino citizens/sole proprietorships, partnerships, or organizations with at least seventy five percent (75%) interest or outstanding capital stock belonging to citizens of the Philippines.

  1. Interested bidders may obtain further information from Local Government Unit of Irosin and inspect the Bidding Documents at the address given below from 9:00 AM-5:00 PM.
  2. A complete set of Bidding Documents may be purchased by interested Bidders from the address below and upon payment of a nonrefundable fee for the Bidding Documents in the amount of Five Thousand Pesos (P 5,000.00).

It may also be downloaded free of charge from the website of the Philippine Government Electronic Procurement System (PhilGEPS) and the website of the Procuring Entity, provided that bidders shall pay the fee for the Bidding Documents not later that the submission of their bids.

  1. The Local Government Unit of Irosin will hold a Pre-Bid Conference on December 28, 2018, 9:00 AM at the Conference Room, Office of the Municipal Mayor, Municipal Compound, San Julian, Irosin, Sorsogon.
  1. Bids must be delivered to the address below on or before January 15, 2019, 9:00 AM at BAC Office, Municipal Compound, San Julian, Irosin, Sorsogon. All bids must be accompanied by a bid security in any of the acceptable forms and in the amount stated in ITB Clause 18.

Bids will be opened in the presence of the bidders’ representatives who choose to attend at the address below. Late bids shall not be accepted.

  1. The Local Government Unit of Irosin reserves the right to accept or reject any bid, to annul the bidding process, and to reject all bids at any time prior to contract award, without thereby incurring any liability to the affected bidder or bidders.
  2. For further information, please refer to:


Municipal Engineer

Municipal Compound, San Julian, Irosin, Sorsogon

Telefax: (056) 557-3043


Email address:





                  BAC Chairman