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Dam/Tunnel Construction Project Lead, Charleston, SC 29401   (Charleston County)

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Reported 06/18/2020 12:00 AM
Project Title

Plum Island Wastewater Treatment Plant Interconnecting Tunnels
Physical Address View project details and contacts
City, State (County) Charleston, SC 29401   (Charleston County)
Category(s) Heavy and Highway
Sub-Category(s) Dam/Tunnel
Contracting Method Competitive Bids. Construction Management - CM at Risk.
Project Status Request for Proposals (RFP)
Bids Due View project details and contacts
Estimated Value $4,000,000 to $6,000,000
Plans Available from Engineer
Owner View project details and contacts
Architect View project details and contacts
Description

The Work to be performed consists of construction of approximately 500 feet of interconnecting tunnels including installation of 54" pipe between the existing Influent Pump Station (IPS), existing Plant Control Pump Station (PCPS), and existing Harbor Tunnel Pump Station (HTPS); abandonment of the existing Plum Island #1 and #2 Shafts, and a portion of the old Harbor, West Ashley, and vestibule tunnels beneath the Plum Island WWTP footprint; modifications to the PCPS; and partial abandonment/demolition of the existing HTPS to include removal of mechanical and electrical equipment.
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.
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Project Documents
 Engineered Spec Sheet
 Architectural Plans
 Other Documents