header set x-frame-options SAMEORIGIN
top of page

Construction Services


DEC serves public and private sector clients with comprehensive construction-phase services, including management, administration and onsite representation, to keep projects on track, from design development to completion and handover to owners. We work to mitigate risks, uphold job-site safety and beat budget and schedule expectations. Our construction managers and inspectors are certified and trained with expertise in a range of construction projects, from major highways to municipal water and wastewater infrastructure.


  • Bid phase management 

  • Constructability reviews 

  • Value engineering 

  • Construction phasing review and development 

  • Construction duration estimation 

  • Cost estimating 

  • PS&E package quality control reviews 

  • Specifications preparation 

  • Construction contract administration (federal, local and private funding) 

  • Construction observation and inspections 

  • Construction claims, reviews and position papers 

  • Reviews of contractor CPM schedules 

  • Change order preparation 

  • Field engineering and inspections 

  • Utility conflict resolution 

  • Construction documentation 

  • Quantity tracking  

bottom of page