Inner Harbor Navigation Canal Lock Replacement Facts • River and Harbor Act of 1956 - • Authorized the construction of a new lock and connecting channel when economically justified by obsolescence or by increased traffic • WRDA 1986 • Re-authorized the project and established Cost Sharing requirements • WRDA 1996 • Authorized Community Impact Mitigation Plan • Cost shared • 50% Federal / 50% IWW Fund - shallow draft portion; • 65% Federal / 35% Non-Federal - deep draft portion • Sponsor • Port of New Orleans
IHNC Lock (known locally as the Industrial Canal Lock) was completed in 1921 • Target for replacement for over 40 years
Current Lock – Placed in Service 1921 75 feet wide by 640 feet long by 31.5 feet deep ExistingConditions
Recommended Plan – Deep Draft Lock 110 feet wide by 1200 feet long by 36 feet of draft CONCEPTUAL VIEW OF COMPLETED PROJECT
Inner Harbor Navigation Canal Lock Replacement Completed Work • Test Pile (completed May 2000) • Demolition of Galvez Street Wharf (Completed Feb 2003) • East Bank Industrial Area Remediation (Completed Jun 2005)
Inner Harbor Navigation Canal Lock Replacement Ongoing Work • In October 2006 the project was enjoined by order of Federal Court. • No work is to be done on the project until a Supplemental Environment Impact Statement (SEIS) is completed.
Inner Harbor Navigation Canal Lock Replacement Sampling Locations
Inner Harbor Navigation Canal Lock Replacement Reference Sites
Inner Harbor Navigation Canal Lock Replacement Laboratory Analysis
Inner Harbor Navigation Canal Lock Replacement Proposed Disposal Figure 1-3a. Proposed disposal areas. Mississippi River Disposal Site Lake Pontchartrain IHNC CDF Stockpile Site Mitigation Site CDF Restricted Discharge
Inner Harbor Navigation Canal Lock Replacement Coordination • New Orleans District • Miss Valley Division • USACE HQ • Weston Solutions (Sampling & Analysis) • Lakes and Rivers Division (Cost Est, Const Sch) • Environmental Research Development Center (ERDC) • Evaluation, CDF Design, Ship modeling • Mobile District (SEIS ATR) • STL laboratories (Analysis)
Inner Harbor Navigation Canal Lock Replacement Delays • Delays with the analysis of the samples • MVN and EPA Region VI developed a list of "Contaminants of Concern" that may pose an ecological risk to aquatic organisms when present in sediments. The contractor had trouble meeting the required detection limits and further testing methods had to be implemented to meet detection limits.
Inner Harbor Navigation Canal Lock Replacement Delays • Florida Avenue Bridge Construction • In the 97 EIS we made the assumption that the State was going to replace the Florida Avenue Bridge. In the midst of our analysis it was determined prudent to assume the bridge would not be constructed due to funding problems. Therefore the traffic and noise impact models had to be recreated.
Inner Harbor Navigation Canal Lock Replacement Path Forward • Traffic analysis sent for ITR to be completed by 15 September • Public Comment Period to begin 15 October • Complete SEIS by Dec 2008
Inner Harbor Navigation Canal Lock Replacement Future Contracts *Contracts to be completed when the enjoinment is lifted* • Coast Guard Demolition • West bank Levee Phase 1 • Resume Lock Design