Services

main office phone number:

​720-515-1781 

​285 Engineering, inc

civil & environmental engineering

Wetland/Ecological Consulting 

• Wetland classification, delineation, and mapping
• US Army Corps of Engineers regulatory permitting
• Local jurisdiction permitting   
• Wetland mitigation, planning, installation, maintenance, and monitoring 
• Vegetation analysis and mapping 
• Noxious weed surveys and management plans 

Onsite Wastewater Treatment Systems

• Onsite wastewater treatment system design ​    (septic systems) for residential and commercial properties
• Site and soil evaluation
• Existing system inspections 
• Failing system troubleshooting
• Use permit/transfer of title inspections
  

Civil/Environmental Engineering Services

• Site and grading plans
• Driveway design 
• Erosion and sediment control plans
• Drainage planning 
• Environmental assessments 
• Soils testing 
• Stream restoration and monitoring 
• Fire cistern design
  
• Dry hydrant fire storage pond design