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Lyman Henn is often
involved in underground projects from the early planning and
preliminary engineering stages through site exploration, final
design, cost and scheduling, preparation of contract documents,
and into the construction and post-construction stages of
a project. Our expertise includes tunnels, shafts and
chambers in soil, mixed face and rock, and in varying groundwater
conditions.
Lyman Henn also
offers construction services throughout all stages of heavy
civil and underground projects. We provide our services
to owner, engineers, and contractors.
| Services
Provided:
- Constructability & Claims Avoidance Reviews
- Cost and Scheduling
- Construction Method & Equipment Evaluation
- Contract Packaging
- Value Engineering
- Grouting & Ground Modification Consulting
- Bid Phase Evaluation & Support
- Construction Management
- Resident Engineering & Inspection
- Contractor Design
- Claims Evaluation, Negotiation, and Resolution
- Investigation of Differing Site Conditions
- Dispute Review Board (DRB) Membership
- Lining Inspection & Rehabilitation
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