How to prepare construction cost estimate in the Philippines
The usual basis in preparing a cost estimate starts with the following references: Detailed drawing; and Technical specification (if not included in the drawings). The above documents should be consistent with each other so that the Quantity Surveyor (QS) or Estimator is able to provide a reasonable cost estimate, otherwise, it will lead into assumptions which can higher the cost. Bill of Quantity (BOQ) In some cases, the client provides the BOQ. If there's none, the QS will have to create the BOQ. This shall pay item, description of works, quantity, unit, unit cost, and amount. Additional details that can be included are title of the project, client's name, project location, date of proposal, and contractor's name and logo. What is? Pay Item -item number of the works, can be a cost code number, or an standard pay item number. For government projects here in Philippines, it requires to follow the standard pay items being classified in Revised Standard Pay Item List