WASHINGTON — NASA’s Stennis Space Center near Bay St. Louis, Miss., has awarded an indefinite delivery, indefinite quantity contract to M&D Mechanical Contractors, Inc. of Decator, Ala., to provide general construction services at the center.

The contract value is not to exceed $25 million. The contract is for five years, with no option periods.

Specific projects will be defined by individual task order. General construction activities performed under this contract will include maintenance, repair, alteration, civil, mechanical, piping and structural steel fabrication and erection and electrical work at Stennis.

For information about NASA’s Stennis Space Center, visit: http://www.nasa.gov/stennis