Project Details

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Results Chart for Delivery Method and Financing

Delivery Method

DBB/CMAR
# of Projects: 1
100% of the Results

Background informationProject Created: February 22, 2010

Project Name: Bi-County Water Tunnel (Maryland)
Year in Operation:
Sector: Water & Waste
Subsector: Water
Status: Design / Construction
Type: New Facility
Description: New 5.3 mile long 84-inch water main built for the Washington Suburban Sanitary Commission to relieve demands for water supply in Mongomery and prince George's counties Maryland. The new tunnel is intended to relieve demand on the existing 54 inch main from the Potomac Water Plan and to provide system redundancy.
Delivery Method as described in the country where it's located: Design Bid Build
Is the project still active: Yes
Comments: Excavation by Tunnel Boring Machine will extend in two separate drives -- one of 4,124 feet and the second of 4.5 miles.

Project Locations

Address: 7248 Tuckerman Ln
City: Potomac
State: Maryland
Country: United States of America

Address: 9600 Stoneybrook Dr
City: Kensington
State: Maryland
Country: United States of America

Souces of Project Support (Non-monetary)

Checkbox Checked Access to Land: ROW provided by Washington Suburban Sanitary Commission.

Souces of Project Support (Monetary)

Checkbox Checked

From Public (Government) Sources to Producers: Project Directly funded by WSSC.

Arrow Right
Checkbox Checked

Direct Cash Support: $700k in WSSC Bonds $168 million in SDC bonds, supported by water/sewer rates.

Project Delivery & Finance Method

Project Delivery:
All Public Finance. Public Sponsor contracts for initial design, and separately contracts for initial construction. Public Owner operates and maintains the resulting facility.
Construction Manager At Risk Variants: Public Sponsor contracts with Construction Contractor after Design is Complete.

Procurement Approach

Project Component
Qualifications
Based Selection
Request for
Qualifications
Request for
Proposals
Invitation
for Bids
Unsolicited
Proposals
Design
X

Term for Key Components & Forms of Contract

Project Component
Years
Quarters
Initial Design and Construction
9
0
Forms
Description
Other
WSSC format. 

Project Value (If and As Known)

Date of Estimated Project Value: January 1, 2009
Project Value
Hard Cost
Hard & Soft Costs
Design
$10-25 Million US
(none)
Construction
$100-250 Million US
(none)
Total
< $200 Million US
(none)

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