Collecting, sorting, checking bidding calculation of quantities Reviewing tender documents, drawings and quantity take-off Preparing quotations for various technical works, material, manpower, etc Estimation and measurements of quantities Calling quotation, tabulation and preparing sub-contract agreements with sub contractors or suppliers Liaise with main-contractors, sub-contractors & site personnel Communicate with suppliers / contractors / consultants / clients during project duration Preparation of cost planning, budget estimates, taking off and progress claims Pre & Post contracts administration and control Responsible for claims, variation orders, budgets & cost control and settlement of final account as well as maintaining project documentations Perform other duties as assigned