Site problems Earned Value Management System (EVMS) The Earned Value Management System (EVMS) is a management technique that relates resource planning to schedules and to technical cost and schedule requirements. (A Gentle Introduction to EVMS). All work is planned, budgeted, and scheduled in time-phased 'planned value' increments constituting a cost and schedule measurement baseline. There are two major objectives of an EVMS: 1. Encourage contractors to use effective internal cost and schedule management control systems; 2. Permit the customer to be able to rely on timely data produced by those systems for determining     product-oriented contract status. EVM is a tool that allows both Government and contractor program managers to have visibility into technical, cost, and schedule planning, performance and progress on their contracts (Defense Acquisition Guidebook Chapter 11.3.1). This visibility provides insight to the contract performance and the necessary data points to statistically estimate probable completion costs. The implementation of an EVMS is a recognized function of program management. It ensures cost, schedule, and technical aspects of the contract are truly integrated.