Department of Public Works and Highways(DPWH)

October 17, 2023 Dear Yson Karl Dañez, Greetings! Thank you for your request dated Oct 16, 2023 08:54:05 PM under Executive Order No. 2 (s. 2016) on Freedom of Information in the Executive Branch. Your Request You asked for Guidelines and Specifications on the Use of Lahar in Construction. Response to Request Kindly refer to this link for DPWH Standard Specification for the Use of Lahar: https://www.dpwh.gov.ph/dpwh/sites/default/files/issuances/DO_030_S2010.pdf Please be informed that lahar may be considered for pavements only and not for buildings. Your right to request a review If you are unhappy with this response to your FOI request, you may ask us to carry out an internal review of the response by writing to DPWH Secretary Manuel Bonoan. Your review request should explain why you are dissatisfied with this response, and should be made within 15 calendar days from the date when you received this letter. We will complete the review and tell you the result within 30 calendar days from the date when we receive your review request. If you are not satisfied with the result of the review, you then have the right to appeal to the Office of the President under Administrative Order No. 22 (s. 2011). Thank you. Respectfully, Andro Santiago FOI Receiving Officer