A & E Individual Consultant History Consultant:   Tetra Tech, Inc. Contact:   Christopher Calnan, PE Address:   100 Nickerson Road, Marlborough, MA 01752 Phone Number: (508) 903-2000  Fax Number: (508) 903-2001 Approval Expiration: 12/16/2024 Disciplines: Major Environmental Documentation Basic Roadway Design Intermediate Roadway Design Complex Roadway Design Basic Bridge Design/Rating Intermediate Bridge Design/Rating Traffic Operations Studies and Design Construction Oversight Hydraulics and Hydrology Architecture Landscape Architecture Transportation Planning Hazardous Waste - Site Investigation and Assessment Hazardous Waste - Remediation Wetlands - Delineation and Assessment Wetlands - Mitigation Water Quality - Assessment Water Quality - Mitigation Noise Studies