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Drawbridge Operation Regulation; Mile 535.0, Upper Mississippi River, Sabula, IA

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Start Preamble

AGENCY:

Coast Guard, DHS.

ACTION:

Notice of deviation from drawbridge regulation.

SUMMARY:

The Coast Guard has issued a temporary deviation from the operating schedule that governs the Sabula Railroad Drawbridge across the Upper Mississippi River, mile 535.0, at Sabula, Iowa. The deviation is necessary to allow the bridge owner time to perform preventive maintenance that is essential to the continued safe operation of the drawbridge. Maintenance is scheduled in the winter when there is less impact on navigation; instead of scheduling work in the summer, when river traffic increases. This deviation allows the bridge to remain in the closed-to-Start Printed Page 9589navigation position while a bent shaft and damaged gear assembly are replaced.

DATES:

This deviation is effective from 7 a.m., February 11, 2013, to 7 a.m., February 25, 2013.

ADDRESSES:

Documents mentioned in this preamble are part of docket USCG-2013-0043. The docket for this notice, USCG-2013-0043, is available online at www.regulations.gov by typing the docket number in the “SEARCH” box and clicking “SEARCH.” Next, click on Open Docket Folder on the line associated with this notice. You may also visit the Docket Management Facility in Room W12-140 on the ground floor of the Department of Transportation West Building, 1200 New Jersey Avenue SE., Washington, DC 20590, between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays.

Start Further Info

FOR FURTHER INFORMATION CONTACT:

If you have questions on this temporary deviation, call or email Eric A. Washburn, Bridge Administrator, Western Rivers, Coast Guard 314-269-2378, email Eric.Washburn@uscg.mil. If you have questions on viewing the docket, call Barbara Hairston, Program Manager, Docket Operations, telephone 202-366-9826.

End Further Info End Preamble Start Supplemental Information

SUPPLEMENTARY INFORMATION:

The Canadian Pacific Railway requested a temporary deviation for the Sabula Railroad Drawbridge, across the Upper Mississippi River, mile 535.0, at Sabula, Iowa to remain in the closed-to-navigation position while a bent shaft and damaged gear assembly are replaced. The closure period will start at 7 a.m., February 11, 2013, and last until 7 a.m., February 25, 2013.

Once the bent shaft and gear assembly are removed, the swing span will not be able to open, even for emergencies, until the replacement of the shaft and gear assembly is installed.

The Sabula Railroad Drawbridge currently operates in accordance with 33 CFR 117.5, which states the general requirement that drawbridges shall open promptly and fully for the passage of vessels when a request to open is given in accordance with the subpart. In order to facilitate the needed bridge work, the drawbridge must be kept in the closed-to-navigation position.

There are no alternate routes for vessels transiting this section of the Upper Mississippi River.

The Sabula Railroad Drawbridge, in the closed-to-navigation position, provides a vertical clearance of 18.1 feet above normal pool. Navigation on the waterway consists primarily of commercial tows and recreational watercraft. This temporary deviation has been coordinated with the waterway users. No objections were received.

In accordance with 33 CFR 117.35(e), the drawbridge must return to its regular operating schedule immediately at the end of the effective period of this temporary deviation. This deviation from the operating regulations is authorized under 33 CFR 117.35.

Start Signature

Dated: January 25, 2013.

Eric A. Washburn,

Bridge Administrator, Western Rivers.

End Signature End Supplemental Information

[FR Doc. 2013-02961 Filed 2-8-13; 8:45 am]

BILLING CODE 9110-04-P