The U.S. Department of Labor, on behalf of the Mine Safety and Health Administration, requires replacement of security gate systems at the MSHA Approval and Certification Center in Triadelphia, West Virginia. The performance period is from receipt of award through 120 days after award. This is a total small business set-aside, with a single award expected. The government will use Lowest Priced Technically Acceptable (LPTA) source selection procedures. Site visits are allowed, but the government will not cover any associated costs.