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Last Updated 01/06/2020 09:22 AM
Project Title

Downtown Tunnel Project

Physical Address View project details and contacts
City, State (County) Lebanon, NH   (Grafton County)
Category(s) Heavy and Highway
Sub-Category(s) Dam/Tunnel
Contracting Method Competitive Bids.
Project Status Results
Bids Due View project details and contacts
Estimated Value $2,000,000
Plans Available from
Owner View project details and contacts
Architect View project details and contacts
Description

Removal and replacement of the tunnel roof, tunnel pier rehabilitation, a stairway at the east tunnel entrance, construction of a new paved trail through the tunnel and the east courtyard, installation of tunnel and plaza lighting and a new CCTV system, new hardscape and landscaping, and associated trail wayfinding signage. The existing reinforced concrete and granite tunnel walls are founded on soil and will remain in place. Tunnel roof slab seat reconstruction, minor substructure repairs, new hand railing, and accommodations for existing and future utilities are also included in the rehabilitation.

Details

Division 02 - Existing Conditions, Subsurface Investigation.
Division 31 - Earthwork, Site Clearing, Grading, Excavation and Fill, Subgrade Preparation, Excavation, Shoring, Tunneling and Mining, Tunnel Excavation.
Division 35 - Waterway and Marine Construction, Dam Construction and Equipment.

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Prospective Bidders View project details and contacts
Project Documents
 Engineered Spec Sheet
 Architectural Plans
 Other Documents