Overview

Timmons Group provided full site/civil engineering services in addition to design support surveying, site survey management of all surveying consultants on site, a portion of the construction stakeout and as-built surveying for the Silver Line Maintenance Yard site. It is the largest rail yard and maintenance system in the Metro system and sits on approximately 90-acres of land and located on Route 606 on Dulles Airport property.

Services included:

  • Overall Survey Project Management for the General Contractor
  • Track Construction Layout Services
  • Tamping Reports
  • Slab Track Surveying
  • Clearance Surveys and Survey Reports
  • Platform Clearances
  • High Accuracy Control Surveys