Upon the City's request, the Design. Agreement for Building Construction between the Associated General Contractors of.A construction services agreement is a legal contract between a construction company and the client. This project is subject to a Project Labor Agreement (PLA). Engineering, procurement and construction (EPC) agreements are among the most complex of contracts. Including their voluminous and imposing attachments,. A lack of this basic information will result in the contract not being legally binding. Turner is a North America-based, international construction services company and is a leading builder in diverse market segments. The terms and conditions as well as policies and regulations govern all residents. Construction Equipment.