Port of Long Beach 76 Foot Main Channel Dredging Project

Doug Thiessen, Port of Long Beach (POLB),Al Moro, Chief Harbor Engineer, POLB Emily Ueda, Program Manager, POLB, Janna Watanabe, Environmental Specialist, POLB Jim Fields, U.S. Army Corps of Engineers, Alan Alcorn, Moffatt & Nichol Todd Graham, KPFF, Steve Cappellino, Anchor QEA

Project Goal

• Improve navigation and environmental safety

– Economical sediment remediation (IR Site 7)

• Deepen and widen

turning Basin and Main Channel

• Create Port property for commerce

Project Sites

Disposal Site: Pier G North Slip

Pier G North Slip Fill

Pier G Fill

Catalina Express Terminal Maintenance Dredging

Target Dredge Depths Area A = 4’+2’ OD Area C (west) = 4’+2” OD Area C (east) = 2’+2’ OD

Final Removal Volume Area A = 147,000 CY Area C (west) = 221,000 CY Area C (east) = 134,000 CY Total = 502,000 CY

IR Site 7 West Basin Dredge Areas

IR Site 7 West Basin Dredge Areas

Clamshell Dredge at IR Site -7

IR Site -7 Material in Dump Scow

IR Site -7 Material at Pier G Fill

Phase 2 – Dredging Turning Basin

PIER G

80’ STEELPIPE

SCHEDULE: 4/6/2011 – 4/26/2011 (21 DAYS – 24/7) EQUIPMENT: H.R. MORRIS (CUTTER HEAD) DREDGE POWER: ELECTRIC (from Pier T) DREDGE QUANTITY: 430,000 CY DISPOSE METHOD: PUMP (24” PIPE) PRODUCTION: 17,000 PER DAY

Dike Construction

HR Morris Cutterhead

Channel Dredging

Turning Basin Dredging

Hydraulic Discharge within Fill

Emergent Fill at Pier G

Surcharge Material

• Originally planned to use Western Anchorage sand mine

• Revised to include rolling surcharge using Port supplied crushed miscellaneous base (CMB)

• 2/3 of CMB left on-site for use in developing site

• Excess material used for other Port project (Middle Harbor)

Construction Costs

Engineer’s Cost Estimate: $44M

Area Cost

Fill Area (Wall, Dike, dredging) $15.7 Million

Catalina Express Terminal $0.8 Million

IR Site 7 $11.5 Million

Turning Basin and Channel (50/50 Fed Funded project)

$9.6 Million

Miscellaneous Items $2.2 Million

Total Bid Amount: $39.8 Million

Army Corps of Engineers cost share amount:

$4.8 Million

http://www.polb.com

Questions