Optimization of Sei Wampu Dam Project Schedule Using Critical Path Method

There are several companies engaged in construction, EPC (Engineering, Procurement, Construction), Infrastructure Investment, Property, and Real Estate experiencing project delays. One project is experiencing delays is Sei Wampu Dam Construction Project, Langkat Regency, North Sumatera Province starting from December 4, 2015 spending cost of IDR 309.093.870.437,59. Based on the data obtained, there was a delay in the project work by 13,575% in the cumulative 10^th month results in material losses. Therefore, the project schedule optimization of Sei Wampu Dam is performed. The method used is Critical Path Method (CPM). Based on the calculation, the duration of the lead time is 1136 days with a total cost of IDR 362.200.345.57,-.