2025 Geotechnical Investigation Services

The vendor is required to provide geotechnical investigation services under federal emergency management administration (FEMA’s) hazard mitigation grant program.
•    Coordinate with the city and its engineering consultant for boring locations and traffic control requirements. 
•    Contact MissDig
•    Provide required traffic control in accordance with the state manual of uniform traffic control devices d) perform approximately thirty-eight (38) soil borings within existing street rights-of-way along the proposed storm sewer alignment. 
•    Borings shall be taken approximately every 500’± along the proposed route of the sewer separation. 
•    Anticipated boring depths shall extend at least 5 feet below the proposed invert elevations, estimated to range from 5 feet to 30 feet below existing grade.
•    Obtain and log representative soil samples at appropriate intervals, with classification in accordance with ASTM standards. 
•    Perform appropriate laboratory testing on representative samples, including but not limited to: grain size analysis, Atterberg limits, moisture content, unconfined compressive strength (if warranted), and organic content. 
•    Record groundwater levels at the time of drilling, with follow-up monitoring as needed. 
•    Prepare a comprehensive geotechnical report including boring logs, soil profiles, laboratory test results, groundwater data, engineering analyses, and design recommendations related to:
o    Trench excavation and stability 
o    Soil classification and suitability for backfill and bedding
o    Dewatering requirements and methods 
o    Pavement section recommendations for restoration.

- Contract Period/Term: 5 years
- Questions/Inquires Deadline: September 3, 2025