CLH Architects VISN 15 A/E IDIQ AWARD NOTICE â The project was set aside for Service Disabled Veteran Owned Small Businesses. Design services will be provided for VISN 15 Medical Centers. | | VA25516R0361 | Department of Veterans Affairs Veterans Health Administration Veterans Integrated Service Network 15 | Award Notice 1/2 | 4/21/16, 3:42 PM |