The Conventional Facilities for the Linac Coherent Light Source (LCLS) include renovations to the existing SLAC facilities and the development of new facilities that will be required to support the LCLS programmatic requirements. The scope of the Work Breakdown Structure includes 13 elements: Sector 20 Injector Facilities, Magnetic Measuring Facility, Main Control Center Modifications, Linac Upgrades, Beam Transport Hall, Research Yard Modifications, Undulator Hall, Front End Enclosure, Beam Dump, Near Experimental Hall, X-Ray Transport & Diagnostic Tunnel, Far Experimental Hall and the Central Lab Office Complex. Activities within these elements include, site preparation and development (including establishment of survey monuments for site alignment), beam line housings including a beam dump, renovations to existing facilities, buildings, service buildings, utility systems (including cooling systems), fire protection systems, roads, sidewalks, landscaping, berms, fencing and parking areas.