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Navigation Notices

Notices to Navigation Interests, containing data on channel conditions, noteworthy activities that affect river traffic and location of dredges, are issued as occasions demand. To receive either electronic or printed copies of Pittsburgh District’s notices interested parties should send a request to:

Chief, Regulatory Branch
U.S. Army Corps of Engineers, Pittsburgh District
2200 William S. Moorhead Federal Building
1000 Liberty Avenue
Pittsburgh, PA  15222-4186
Or email Regulatory.Permits@usace.army.mil
 
Illustration of Corps' Service Barge 101, M/V Evanick 
 Link to Navigation Notice Request Form Requests should be submitted
at least 14 days prior to
start of work.

2016

Notice No.  Date Description
6369  May 5, 2016 

Operating Schedule Allegheny L/D's 6, 7, 8, & 9 Miles 36.3, 45.7, 52.6, & 62.2

6367 May 14, 2016 Operation Schedule Hildebrand L/D & Opekiska L/d Monongahela River Mile 108.0 & 115.4 

6052

April 14, 2016 Ohio River Mile 31.7, Closure of the Primary Lock Chamber
 5995 March 7, 2016 Ohio River Mile 31.7, Montgomery Locks and Dam, Repairs to Auxiliary Chamber Lower Sill
16-08  February 16, 2016  First Energy Generation, W.H. Sammis Plant, Maintenance Dredging, Mile 53.4
16-07 February 12, 2016   Closure of the River Lock Chamber Dashields L/D, Mile 13.3, Ohio River
16-06 January 25, 2016  Allegheny Lock and Dam 5 Restricted Hours
16-05 January 25, 2016  Schedule of Operations for 2016, Allegheny River Locks
16-04  January 25, 2016  Schedule of Operations for 2016, Monongahela River Locks
16-03 January 20, 2016  Demolition of the Hulton/Oakmont Bridge, Allegheny River Mile 12.7
16-02 January 13, 2016  Dock and Dolphin Construction Ohio River Mile 28.0 and 29.6
16-01 January 12, 2016  Geotechnical Borings Ohio River Mile 103.5

2015

Notice No.  Date Description
15-44 December 22, 2015 First Energy Generation, W.H. Sammis Plant, Maintenance Dredging, Ohio River, Mile 53.3
15-43 December 16, 2015 Construction of the New Hulton Bridge Allegheny River Mile 12.8
15-42 Revision 1 December 15, 2015

 Amendment Navigation Notice 15-42

Montgomery L/D, Ohio River, Mile 31.7, Closure of the 110-ft x 600-ft Land Lock Chamber

15-42 December 14, 2015  Montgomery L/D, Ohio River, Mile 31.7 Closure of the 110-ft x 600-ft Land Lock Chamber
15-41 Amendment January 12, 2016  AMENDMENT Navigation Notice 15-41 Survey Activities: Ohio River Miles 103.0-10.7
15-41 December 4, 2015  Survey Activities Ohio River Miles 103.0 - 103.7
15-40 December 7, 2015  Closure of the Landward Lock Chamber at New Cumberland L/D, Ohio River, Mile 54.4
15-39 December 2, 2015  Pittsburgh District Temporary Restriction for Crew Changes and Taking on of Stores
15-38 December 1, 2015  Sand and Gravel Dredging Mitigation, Ohio River, Mile 36.4, Right Decending Bank
15-37 Revision 1 December 16, 2015

 AMENDMENT - Navigation Notice 15-37

Repair work to the River Lock Chamber at Montgomery L/D, Ohio River, Mile 31.7

15-37 November 10, 2015  Repair work to the River Lock Chamber at Montgomery L/D, Ohio River, Mile 31.7
15-36 Amendment October 30, 2015  AMENDMENT Closure of the Land Lock Chamber at Maxwell L/D, Monongahela River
15-36 October 29, 2015 Closure of the Land Lock Chamber at Maxwell L/D, Monongahela River, Mile 61.2
15-35 October 5, 2015 Removal of Flashboards Lock & Dam 9, Allegheny River
15-34 October 5, 2015 Removal of Small Boat Warning Signs and Buoys Allegheny, Monongahela and Ohio Rivers
15-33 September 3, 2015 Temporary Conditional Drawdown of Navigation Pool and Boating Safety Zone, Allegheny River
15-32 Amendment  October 19, 2015 Closure to the 56-ft x 720-ft Land Lock Chamber, Lock and Dam 4, Mile 41.5, Monongahela River
15-32 September 10, 2015 Closure to the 56-ft x 720-ft Land Lock Chamber, Lock and Dam 4, Mile 41.5, Monongahela River
15-31  August 21, 2015  Lock and Dam 4, Monongahela River, Mile 41.5, Special Draft Limitations During Low Water
15-30 July 30, 2015 Geotechnical Drilling for Proposed Bridge Across the Ohio River Mile 75.8 
15-29 July 30, 2015 Annual Dredging Operations Ohio River
15-28 July 30, 2015 Annual Dredging Operations Monongahela River
15-27 July 9, 2015

Demolition of the Piers from the Donora-Webster Bridge, Monongahela River Mile 36.3

15-26 July 10, 2015 Complete Shutdown of New Cumberland L/D, Ohio River, Mile 54.3
15-25 July 10, 2015 Closure of Primary Lock Chamber at Dashields L/D, Ohio River Mile 13.3
15-24 Rev 1 July 2, 2015 AMENDMENT Demonlition of the Donora-Webster Highway Bridge, Monongahela River Mile 36.3
15-24 Jun 24, 2015 Demolition of the Donora-Webster Highway Bridge, Monongahela River Mile 36.3
15-23 Rev 1 June 17, 2015 REVISION Operating Schedule Upper Monongahela River
15-22 Rev 1 June 17, 2015 REVISION Operating Schedule Upper Allegheny River
15-21 May 19, 2015 Closure of the Land Lock Chamber at Charleroi L/D, Monongahela River, Mile 41.5
15-20 May 19, 2015 Closure of the Land Lock Chamber at Maxwell L/D, Monongahela River, Mile 61.2
15-19 May 15, 2015 Closure of the River Lock Chamber at New Cumberland L/D, Ohio River, Mile 54.3
15-18 May 15, 2015 Installation of Flashboards Lock and Dam 9, Allegheny River, Mile 62.2
15-16 May 5, 2015 Schedule of Operations for 2015, Allegheny River Locks
15-15 Rev 1 May 5, 2015 REVISION Schedule of Operations for 2015, Monongahela River Locks
15-14 May 1, 2015 Exploratory Drilling, Ohio River Near the Left Descending Bank, Mile 115.9
15-13 April 21, 2015 First Energy Corp (Penn Power) Aerial Overhead Conductor Installation, Ohio River, River Mile 33.7
15-12 May 18, 2015 Phase II - Closure of the Land Lock Chamber at Emsworth L/D, Ohio River, Mile 6.2
15-11 May 18, 2015 Phase I - Closure of the Land Lock Chamber at Emsworth L/D, Ohio River, Mile 6.2
15-10 April 8, 2015 Warning Buoys, Allegheny, Monongahela, and Ohio Rivers
15-09 April 3, 2015 Closure of the River Lock Chamber at Montgomery L/D, Ohio River, Mile 31.7
15-08  April 3, 2015 Closure of the River Lock Chamber at Elizabeth L/D, Monongahela River, Mile 23.8
15-07  April 3, 2015 Closure of the River Lock Chamber at Maxwell L/D, Monongahela River, Mile 61.2
15-02 Rev 1  April 3, 2015 Bulkheads Set for Ice Skimming, Auxiliary Chamber Closed Hannibal L/D, Mile 126.4, Ohio River
15-06  March 6, 2015 Closure of the Lock Chambers at Pike Island Lock and Dam, Ohio River, Mile 84.2
15-05 Rev 1 March 24, 2015

Erection of Remaining Steel Girders for the Masontown Bridge Project

15-04 Rev 01 February 26, 2015 Closure of the 110-ft x 600-ft Auxiliary Lock Chamber, New Cumberland Lock and Dam
15-04 February 19, 2015 Closure of the 110-ft x 600-ft Auxiliary Lock Chamber, New Cumberland Lock and Dam
15-03 February 4, 2015 Temporary Revised Operating Schedule, Allegheny Lock and Dam 5
15-02 February 2, 2015

Bulkheads Set for Ice Skimming, Auxiliary Chamber Closed Hannibal L/D, Mile 126.4, Ohio River

15-01

January 13, 2015

Allegheny L/D 6 through Allegheny L/D 9 Closed Due to Current Ice Conditions      

2014

Notice No.       

Date Issued

Description

14-59 (Rev 1) January 8, 2015 Two-day Allegheny River closure, RM 12.8 in Oakmont, Pa.
14-59 December 19, 2014 Two-day Allegheny River closure, RM 12.8 in Oakmont, Pa.
14-49 (Rev 3) November 12, 2014 Morgantown Lock and Dam, Monongahela River, Mile 102.0 Closure of the Single 84-ft x 600-ft Lock Chamber 
14-58 December 12, 2014 Exploratory Drilling Ohio River, Near the Left Descending Bank, Mile 115.9
14-57 November 6, 2014 Annual Dredging Operation Monongahela River
14-56 October 27, 2014  Birmingham Highway Bridge Rehabilitation over the Monongahela River, RM 2.3 
14-55 October 22, 2014 Hannibal Locks and Dams, Ohio River, Mile 126.4, Closure of the 100-ft x 1,200-ft Primary Lock Chamber
14-54 October 20, 2014 Removal of Small Boat Warning Signs and Buoys, Allegheny, Monongahela, and Ohio Rivers
14-53 September 30, 2014 Removal of Flashboards, Lock and Dam 9, Allegheny River, Mile 62.2
14-52 (Rev 1) October 3, 2014 Allegheny L/D 7, Mile Marker 45.7, Allegheny River, Unavailable for Service Due to Hydraulic Line Failure
14-52 September 30, 2014 Allegheny L/D 7, Mile Marker 45.7, Allegheny River, Unavailable for Service Due to Hydraulic Line Failure
14-51  September 18, 2014 Temporary Buoys, Monongahela River Mile 2.6-2.75
14-50 September 17, 2014 Montgomery L/D, Ohio River, Mile 31.7, Closure of the 56-ft x 360-ft River Lock Chamber
14-49 (Rev 2) October 29, 2014 UPDATE: Morgantown Lock and Dam, Monongahela River, Mile 102.0, Closure of the Single 84-ft x 600-ft Lock Chamber
14-49 (Rev 1) September 24, 2014 Morgantown Lock and Dam, Monongahela River, Mile 102.0, Closure of the Single 84-ft x 600-ft Lock Chamber
14-49 September 17, 2014 Morgantown Lock and Dam, Monongahela River, Mile 102.0, Closure of the Single 84-ft x 600-ft Lock Chamber
14-48 September 3, 2014

Intake Inspection and Repairs, Monongahela River, Right Bank , Mile 77.6

14-47 August 28, 2014 Pike Island L/D, Ohio River, Mile 84.2 Closure of the 110-ft x 600-ft Auxiliary Lock Chamber
14-46 August 28, 2014 New Cumberland L/D, Ohio River, Mile 54.3 Closure of the 110-ft x 1,200-ft Primary Lock Chamber for Hydraulic System Repairs
14-45 August 27, 2014 Hannibal L/D Pool, Ohio River, Mile 111.1 Overhead Electric Wire Conductor Work
14-44 (Rev 1) September 4, 2014 New Cumberland L/D, Ohio River, Mile 54.3, Closure of the 110-ft x 600-ft Auxiliary Lock Chamber
14-44 August 21, 2014 Inspection of bulkhead system at New Cumberland Lock and Dam
14-43 August 14, 2014

New Cumberland L/D, Ohio River, Mile 54.3, Floating Mooring Bitts

14-42 August 8, 2014  Intake Inspection and Repairs, Monongahela River, Right Bank, Mile 77.6
14-41 August 5, 2014 New Cumberland L/D, Ohio River, Mile 54.3, Closure of Both Lock Chambers
14-31 (Rev 1)  August 1, 2014 

Allegheny L&D 5 Revised Operating Schedule  

14-40 August 1, 2014 Shield Wire and Marker Ball Replacement, Ohio River, Mile 86.69
14-39 (Rev 1) July 31, 2014 Allegheny L/D's 6, 7, 8, & 9, Miles 36.3, 45.7, 52.6, 62.2, Revised Operating Schedule
14-39 July 30, 2014 Allegheny L/D's 6, 7, 8, & 9, Miles 36.3, 45.7, 52.6, 62.2, Revised Operating Schedule
14-38 July 24, 2014 Georgetown Sand and Gravel, Waterfront Construction Ohio River, Left Bank, Mile 38.0
14-37 (Rev 1) July 24, 2014 Revised Operating Schedule Allegheny L/D 2 and C.W. Bill Young L/D
14-37 July 10, 2014 Revised Operating Schedule Allegheny L/D 2 and C.W. Bill Young L/D
14-36 (Rev 1) July 29 2014 New Cumberland L/D, Ohio River, Mile 54.3, Closure of the 110-ft x 1,200-ft Main Lock Chamber
14-36 July 10, 2014 New Cumberland L/D, Ohio River, Mile 54.3 Closure of the 110-ft x 600-ft Auxiliary Lock Chamber
14-35 July 7, 2014 New Cumberland L/D, Ohio River, Mile 54.3, Closure of the 110-ft x 1,200-ft Primary Lock Chamber
14-34 July 7, 2014 Smithfield Street Bridge Washing, Monongahela River, Mile 0.7
14-32 (Rev 1) July 7, 2014 UPDATE: Warning to Recreational Boaters
14-32 June 30, 2014  Warning to recreational boaters: Keep Out buoys have moved off station.
14-31 July 3, 2014 Allegheny Lock and Dam 5, Allegheny River, Mile 30.4, Temporary Revised Operating Schedule
14-30 June 10, 2014 Pike Island Lock and Dam, Ohio river, Mile 84.2, Closure of the 110-ft x 1,200 -ft Primary Lock Chamber
14-29 June 6, 2014 Braddock Locks and Dam, Monongahela River, Mile 11.3 Closure of the 56-ft x 360-ft River Chamber
14-28 June 6, 2014 Lock and Dam 3, Monongahela River, Mile 23.8 Closure of the 56-ft x 720-ft Land Lock Chamber
14-27 May 29, 2014 Pike Island Locks and Dams, Ohio River, Mile 84.2 Closure of the 110-ft x 600-ft Auxiliary Lock Chamber
14-26 May 29, 2014 Hannibal Locks and Dams, Ohio River, Mile 126.4 Closure of the 110-ft x 1,200-ft Primary Lock Chamber
14-25 May 27, 2014

Braddock Locks and Dam, Monongahela River, Mile 11.3 110-ft X 720-ft Land Lock

14-24 May 14, 2014 Test Boring - Kiskimentas River Miles 2-3
14-23 (Rev 2) July 22, 2014 Installation of Flashboards Lock & Dam 9, Allegheny River, Mile 62.2
14-23 (Rev 1) May 30, 2014 Update - Installation of Flashboards, Lock and Dam 9, Allegheny River, Mile 62.2
14-23 May 7, 2014 Installation of Flashboards, Lock and Dam 9, Allegheny River, Mile 62.2
14-22 May 5, 2014 Exploratory Drilling and Diving Operations along the Monongahela River, Left Descending Bank, Mile 125.5
14-21 May 2, 2014 Braddock Locks and Dam, Monongahela River, Mile 11.3, Closure of the 56-ft x 350-ft River Lock Chamber
14-20 May 1, 2014 Schedule of Operations for 2014, Allegheny River Locks
14-19 May 1, 2014 Schedule of Operations for 2014, Monongahela River Locks
14-18 (Rev 1) July 22, 2014 Montgomery L/D, Ohio River, Mile 31.7 Closure of the 110-ft x 600-ft Primary Lock Chamber
14-18 Jun 18, 2014 Montgomery L/D, Ohio River, Mile 31.7 Closure of the 110-ft x 600-ft Primary Lock Chamber
14-17 (Rev 1) September 10, 2014 Dashields Locks and Dam, Ohio River, Mile 13.3, Closure of the 110-ft x 600-ft Primary Lock Chamber (Revision)
14-17 Jun 18, 2014 Dashields Locks and Dam, Ohio River, Mile 13.3 Closure of the 110-ft x 600-ft Primary Lock Chamber
14-16 May 5, 2014 Lock and Dam 3, Monongahela River, Mile 23.8, 47-Day Closure of the 56-ft x 720-ft Land Lock Chamber
14-15 (Rev 1) May 7, 2014 Dashields Locks and Dam, Ohio River, Mile 13.3, Closure of the 110-ft x 600-ft Primary Lock Chamber
14-15 April, 23, 2014 Dashields Locks and Dam, Ohio River, Mile 13.3, Closure of the 110-ft x 600-ft Primary Lock Chamber
14-14 April 10, 2014 Shield Wire Replacement, Monongahela River, Mile 30
14-13 April 10, 2014 Shield Wire Replacement, Monongahela River, Mile 26
14-12 Rev 1 July 10, 2015 UPDATE: C.W. Bill Young L/D, Allegheny River, Mile 14.5, Missing Wall Armor
14-12 April 8, 2014 C.W. Bill Young L/D, Allegheny River, Mile 14.5, Missing Wall Armor
14-11 April 7, 2014 Dam Warning Buoys Allegheny, Monogahela, and Ohio Rivers
14-10 (Revised Start Date) April 23, 2014 Shield Wire and Marker Ball Replacement, Ohio River Mile 86.69
14-10 March 28, 2014 Shield Wire and Marker Ball Replacement Ohio River, Mile 86.69
14-09 March 28, 2014 Shield Wire and Marker Ball Replacement Ohio River, Mile 76.1
14-08 March 26, 2014 Inspection of the 16th Street Bridge Allegheny River, Mile 1.5
14-07 March 18, 2014 

U.S. Army Corps of Engineers will offer tow haulage assist service for the next (8) eight Saturdays effective date of March 22, 2014 and end date of May 10, 2014.

14-06 February 28, 2014 U.S. Army Corps of Engineers will close the lock chambers at New Cumberland L/D, Ohio River, Mile 54.3 as part of the FY14 Repair Program
14-05 February 19, 2014  Dashields Locks and Dam, Ohio River, Mile 13.3, Intermittent Closures of the 110-ft x 600-ft Primary Lock Chamber
14-04 (Rev 5) May 7, 2014 Allegheny L/D 5 Allegheny River Mile 30.4 through Allegheny L/D 9 Allegheny River Mile 62.2 Locks are Available for Service on the Allegheny River
14-04 (Rev 4) April 18, 2014 Allegheny L/D 5 Allegheny River Mile 30.4 through Allegheny L/D 9 Allegheny River Mile 62.2 Locks are Unavailable For Service Due to Current Ice conditions on the Allegheny River
14-04 (Rev 3) April 16, 2014 Allegheny L/D 5 Allegheny River Mile 30.4 through Allegheny L/D 9 Allegheny River Mile 62.2 Locks are Unavailable For Service Due to Current Ice conditions on the Allegheny River
14-04 (Rev 2) February 28, 2014 Allegheny L/D 6 Allegheny River Mile 36.3 through Allegheny L/D 9 Allegheny River Mile 62.2 Locks are Unavailable For Service Due to Current Ice conditions on the Allegheny River
14-04 January 30, 2014  Allegheny L/D 6 Allegheny River Mile 36.3 through Allegheny L/D 9 Allegheny River Mile 62.2 Locks Closed Due to Current Ice conditions
14-03 (Rev 1) April 23, 2014 New Cumberland L/D, Ohio River, Mile 54.3, 30 Day Closure of the Primary 110-ft x 1,200-ft Lock Chamber
14-03  January 30, 2014 New Cumberland L/D, Ohio River, Mile 54.3 Closure of the Primary 110-ft x 1,200-ft Lock Chamber
14-02 

January 30, 2014

Pike Island L/D, Ohio River, Mile 84.2 Closure of the Primary 110-ft x 1,200-ft Lock Chamber
14-01 (Rev 1) March 21, 2014 Bulkheads Set for Ice Skimming At New Cumberland L/D, Mile 54.4, Ohio River And Hannibal L/D, Mile 126.4, Ohio River
14-01  January 15, 2014 Bulkheads Set for Ice Skimming, At New Cumberland L/D, Mile 54.4, Ohio River, and Hannibal L/D, Mile 126.4, Ohio River

2013

Notice No Date Issued Description
13-45 December 18, 2013

First Energy Generation, W. H. Sammis Plant, Maintenance Dredging

Ohio River, Right Bank, Mile 53

13-09 (Revision 3)

December 16, 2013 Schedule of Operations for 2013 Allegheny River Locks
13-44 December 12, 2013 New Cumberland Locks and Dams, Ohio River, Mile 54.4, Removal of Bulkhead Filler Blocks in Auxiliary Lock Chamber
13-33 (Revised) November 12, 2013 Emsworth Lock and Dam, Ohio River, Mile 6.2, Closure of the Auxiliary Lock Chamber and 105-Foot Tow Width Restriction on the Primary Lock Chamber
13-33 (Revised) November 12, 2013 Emsworth L/D, Ohio River, Mile 6.2, Closure of the Auxiliary Lock Chamber and 105-Foot Tow Width Restriction on the Primary Lock Chamber
13-37 (Revised) November 8, 2013 Emsworth L/D, Ohio River, Mile 6.2 Report of Shoaling in Lower Approach of Landside Lock Chamber
13-43 October 31, 2013 Maxwell L/D, Monongahela River, Mile 61.2, Closure of the 84-ft x 720-ft River Lock Chamber
13-31 (Revised) October 31, 2013 Lock 2, Allegheny River, Mile 6.7; C.W. Bill Young, Allegheny River, Mile 14.5; Restricted Use of Upper and Lower Guide Walls
13-42 October 30, 2013 Sand and Gravel Dredging Mitigation, Ohio River Mile 36.1 Right Descending Bank
13-41 October 18, 2013 Removal of Flashboards; Lock and Dam 9, Allegheny River, Mile 62.2
13-40 October 14, 2013 Removal of Small Boat Warning Signs and Buoys Allegheny, Monongahela, and Ohio Rivers
13-39 September 20, 2013 Placement of a lighted white with blue strip mooring can buoy on the Allegheny River, River Mile 0.1 left descending bank
13-38 September 20, 2013 Demolition of the Masontown Bridge Over the Monongahela River, Mile 79.15

13-34

September 12, 2013

Montgomery L/D, Ohio River, Mile 31.7; Closure of the 56-ft x 360-ft Auxiliary Lock Chamber

13-31 September 12, 2013 Lock 2, Allegheny River, Mile 6.7; C.W. Bill Young, Allegheny River, Mile 14.5; Restricted Use of Upper and Lower Guide Walls
13-33 September 12, 2013

Emsworth L/D, Ohio River, Mile 6.2; 39-Day Closure of the 56-ft x 360-ft Auxiliary Lock Chamber; 105-Foot Tow Width Restriction to 110-ft x 600-ft Primary Lock Chamber

13-35 September 12, 2013

New Cumberland Locks and Dams, Ohio River, Mile 54.4; Pike Island Locks and Dams, Ohio River, Mile 84.2; Hannibal Locks and Dams, Ohio River, Mile 126.4; Intermittent Closures of Primary and Auxiliary Lock Chambers

13-37 September 4, 2013 Emsworth L/D, Ohio River, Mile 6.2 Report of Shoaling in Lower Approach of Landside Lock Chamber
13-36 August 26, 2013 First Energy Generation Corporation, Sammis Plant, Replace Trash Rake

13-32 Revised

August 30, 2013 Lock and Dam 5, Allegheny River, Mile 30.4, Report of Shoaling in Lower Approach of Lock Chamber
13-30 August 9, 2013 Pike Island L/D, Ohio River, Mile 84.2 Closure of the 110-ft x 600-ft and 110-ft x 1200-ft Land Lock Chambers
13-29 August 2, 2013 Warning to Recreational Boaters
13-28 July 26, 2013 Hannibal L/D, Ohio River, Mile 126.4 Closure of the 110-ft x 600-ft Land Lock Chamber
13-27 July 26, 2013 Pike Island L/D, Ohio River, Mile 84.2 Closure of the 110-ft x 600-ft Land Lock Chamber
13-182nd Revision July 18, 2013

Hannibal L/D, Ohio River, Mile 126.4 Closure of the 110-ft x 1200-ft Primary Lock Chamber UPDATE: Current estimate for main chamber to return to service is 2300 hours, July 22, 2013.

13-26 July 2, 2013 Route 88 Cribwall Remediation at mouth of Ten Mile Creek and Monongahela River, RM 65.6, LB
13-25 July 2, 2013 Warning to Recreational Boaters
12-06 Revised June 26, 2013 Dashields L/D, Ohio River, Mile 13.3, Access Road Closed
13-23 Revised June 25, 2013 Pike Island L/D, Ohio River, Mile 84.2, Closure of the 110-ft x 600-ft Land Lock Chamber
13-18 Revised June 24, 2013 Hannibal L/D, Ohio River, Mile 126.4, Closure of the 110-ft x 1200-ft Primary Lock Chamber
13-04 Revised June 14, 2013

Montgomery L/D, Ohio River, Mile 31.7, Closure of the 110’ x 600’ Land Lock Chamber Closures for Repair June 3 - 14 (Completed) & July 1 - 12, 2013 (Cancelled - Reschedule - TBD)

13-22 June 13, 3013

Overhead Transmission Line Replacement Monongahela River, River Mile 96.9

13-20 Revised June 12, 2013 Pike Island L/D, Ohio River, Mile 84.2, Closure of the 110' x 600' Land Lock Chamber
13-21 June 7, 2013 Lock and Dam 4, Monongahela River, Mile 41.5, Construction of an Upstream Protection Cell
13-20 June 3, 2013 Pike Island L/D, Ohio River, Mile 84.2 Closure of the 110’ x 600’ Land Lock Chamber
13-19 June 3, 2013

Pittsburgh District Repair Fleet Working at Willow Island L/D, Ohio River, Mile 161.7

13-18 May 29, 2013 Hannibal L/D, Ohio River, Mile 126.4, Closure of the 110-ft x 1200-ft Primary Lock Chamber
13-9 Revised May 21, 2013 Schedule of Operations for 2013 Allegheny River Locks (2nd Revision)
13-17 May 15, 2013 Pike Island L/D, Ohio River, Mile 84.2 Closure of the 110’ x 600’ Land Lock Chamber
13-15 May13, 2013 Inspection of 6th, 7th & 9th St. Bridges Allegheny River, Mile 0.55-0.73
13-16 May 13, 2013 Veterans Memorial Bridge Piers Maintenance Project, Allegheny River, Mile 1.2
13-14 May 3, 2013

Installation of Flashboards Lock & Dam 9, Allegheny River, Mile 62.2

13-13 May 2, 2013 Pike Island L/D, Ohio river, Mile 84.2, Closure of the 110' x 600' Land Lock Chamber
13-12 May 2, 2013 Sand and Gravel Dredging, Ohio River Mile 44.0-44.3
13-11 April 1, 2013 Dam Warning Buoys Allegheny, Monongahela, and Ohio Rivers
13-10 April 1, 2013 Schedule of Operations for 2013 Monongahela River Locks (Corrected)
13-8 March 1, 2013 Erection of Structural Steel for the Masontown Bridge Project over the Mon. River, Mile 79.15, full channel closure 8 a.m. - 4 p.m., March 4, 2013.
13-7 February 26, 2013 Montgomery L/D, Ohio River, Mile 31.7, Closure of the 110' x 600’ Land Lock Chamber for Maintenance 8 a.m. - noon, March 14, 2013.
13-6 February 21, 2013 Montgomery L/D, Ohio River, Mile 31.7, Closure of th 56' x 360' River Lock Chamber for Repair March 25 - April 12, 2013.
13-5 February 19, 2013 L/D #3, Monongahela River, Mile 23.8, 26-Day Closure of the 56’ x 720’ Land Chamber Closure for Repair April 22 - May 17, 2013.
13-4 February 19, 2013

Montgomery L/D, Ohio River, Mile 31.7, Closure of the 110’ x 600’ Land Lock Chamber Closures for Repair June 3 - 14 and July 1 - 12, 2013.

12-32UPDATE February 19, 2013 Braddock Locks and Dam, Monongahela River, Mile 11.3, 360-ft x 56-ft River Chamber Closures for Repairs March 4 - 15, 2013
13-3 January 29, 2013 Reported shoaling near left bank of new bridge piling Monongahela River, Mile 41.03

13-2

January 24, 2013

Construction of Steel Sheet Pile Wall for the Lower Congo Facility along the Ohio River, left descending bank, Mile 48.1

12-50 UPDATE (3)

January 16, 2013

Locks and Dam 4, Monongahela River, Mile 41.5, Lock Closures forBlasting & Debris Removal Operations

12-50 UPDATE (2)

January 11, 2013

Locks and Dam 4, Monongahela River, Mile 41.5, Lock Closures forBlasting & Debris Removal Operations

13-1

January 11, 2013

Erection of Structural Steel for the Masontown Bridge ProjectOver the Monongahela River, Mile 79.15

12-50 UPDATE

January 10, 2013

Locks and Dam 4, Monongahela River, Mile 41.5, Lock Closures forBlasting & Debris Removal Operations

2012 and Prior

Notice No.  Date Description
12-50 Decmeber 14, 2012 Locks and Dam 4, Monongahela River, Mile 41.5, Lock Closures for
Blasting & Debris Removal Operations

12-49

Decmeber 6, 2012

Hannibal L/D, Ohio River, Mile 126.4  Closure of Land Lock Chamber

12-48

November 14, 2012

Sheet Pile Wall Replacement, Allegheny River, Right bank, Mile 15.7

12-47

November 2, 2012

Repairs to existing river dock cells, Ohio River, Mile 49.1

12-46

October 30, 2012

Montgomery L/D, Ohio River, Mile 31.7, Change to Lift Gate Operation Schedule & Closure of River Lock

12-40 Revised

October 29, 2012

Seasonal Lock Closings and Schedule of Operations for Allegheny River

12-45

October 12, 2012

Removal of Small Boat Warning Signs and Buoys; Allegheny, Monongahela, and Ohio Rivers

12-44

September 27, 2012

Repair work at Hatfield's Ferry Power Station, Monongahela River, Mile 78.1, LDB

12-43

September 26, 2012

Mussel Survey Diving, Ohio River, Mile 82.9, LDB

12-42

September 19, 2012

Removal of Flashboards; Lock and Dam 9, Allegheny River, Mile 62.2

12-41

September 19, 2012

Winter Season Lock Closings and Schedule of Lock Operation for Monongahela River

12-40

September 20, 2012

Seasonal Lock Closings and Schedule of Operations for Allegheny River

12-39

September 13, 2012

Lock and Dam 4 (Charleroi), Monongahela River, Mile 41.5; 2-day closure of single lock chamber

12-38

August 30, 2012

L/D #3, Monongahela River, Mile 23.8; Closure of River Lock Chamber

12-37

August 28, 2012

Maxwell L/D, Monongahela River, Mile 61.2; Closure of River Lock Chamber

12-36

August 28, 2012

New Cumberland L/D, Ohio River, Mile 54.3; Installation of Floating Mooring Bitts/Extensions & US Valve Cylinders in the 110' x 1200' River Lock Chamber

12-35

August 24, 2012

Temporary Conditional Drawn Down of Navigation Pool and Boating Safety Zone; Lock and Dam 6, Allegheny River, Mile 36.3

12-34

August 3, 2012

Maxwell L/D, Monongahela River, Mile 61.2, Closure of Land Lock Chamber

12-33

August 6, 2012

Demolition of Span 24, 25 and 26 of the 31st Street Bridge; Allegheny River, back channel, Mile 2.5

12-32

August 2, 2012

Braddock Locks and Dam, Monongahela River, Mile 11.3; 360x52 River Chamber

12-31

July 31, 2012

Emsworth Locks and Dams, Ohio River, Mile 6.2; Intermittent Closures of 110' x 600' River Lock Chamber

12-30

July 25, 2012

New Cumberland L/D, Ohio River, Mile 54.3; Intermittent Closures of the 110' x 1200' River Lock Chamber

12-29

July 24, 2012

Urban Redevelopment Authority, South Shore Riverfront Park, Outfall Pipe and Bulkhead Wall Construction, Monongahela River, Mile 2.8, Left Bank

12-26

July 16, 2012

Lock and Dam 4, Allegheny River, Mile 24.2; Special Draft Limitations During Low Water

12-25

July 12, 2012

Locks and Dam 4, Monongahela River, Mile 41.5, Special Draft Limitations During Low Water

12-24

July 6, 2012

First Energy Generation Corporation, W.H. Sammis Plant, Maintenance Dredging the Ohio River, Mile 53.7, Right Bank

12-23

June 26, 2012

Emsworth Locks and Dam, Ohio River, Mile 6.2; Dewater 56' x 360' Auxiliary Lock 40 Day Closure

12-22

May 25, 2012

Construction of a new barge unloading dock, Ohio River, RB, Mile 24.5, Rochester Borough, Beaver County, Pennsylvania

12-20 REVISED

May 23, 2012

Locks and Dam 4, Monongahela River, Mile 41.5, Installation of Panels for New River Guard Wall.

12-21

May 18, 2012

Inspection of Union Railroad Bridge, Monongahela River, Mile 9.2

12-20

May 20, 2012

Locks and Dam 4, Monongahela River, Mile 41.5; Installation of Panels for New River Guard Wall

REVISED 12-14

May 9, 2012

Installation of Flashboards, Lock & Dam 9, Allegheny River, Mile 62.2

12-19

May 8, 2012

Offloading Equipment from Barge, Ohio River, Mile 118.6, Left Bank, Marshall County, WV

12-18

May 3, 2012

Installation of Pipeline Crossing, Monongahela River, Mile 118.0

12-17

May 2, 2012

Emsworth Locks and Dams, Ohio River, Mile 6.2, Intermittent closures of 56' x 360' River Lock Chamber

12-16

May 2, 2012

Dashields Locks and Dam, Ohio River, Mile 13.3, Closure of the 110' x 600' Land Lock Chamber

12-15

April 24, 2012

Overhead Transmission Line Replacement, Allegheny River, Mile 23.8

REVISED 12-12

April 26, 2012

Installation of Pipeline Crossing, Youghiogheny River, Mile 17.1

12-14

April 18, 2012

Installation of Flashboards, Lock & Dam 9, Allegheny River, Mile 62.2

REVISED 12-04

April 12, 2012

New Cumberland L/D, Ohio River, Mile 54.3, Installation of Floating Mooring Bitts

12-13

April 11, 2012

Lock 2, Allegheny River, Mile 6.7, Intermittent Closures of the Single, 56' x 360' Lock Chamber

12-12

April 3, 2012

Installation of Pipeline Crossing, Youghiogheny River, River Mile 17.1

12-11

March 23, 2012

Exploratory Drilling; Ohio River, Center Channel, Mile 29.7

12-10

March 14, 2012

Dam Warning Buoys, Allegheny, Monongahela and Ohio Rivers

12-09

March 12, 2012

Lock and Dam 4 (Charleroi), Monongahela River, Mile 41.5; 19-day closure of single lock chamber

12-08

March 6, 2012

Schedule of Operations for 2012 Monongahela River Locks

12-07

March 6, 2012

Pennsylvania Turnpike, Mon-Fayette Expressway, Uniontown to Brownsville Section 51H Construction Project; Monongahela River, Left Bank, Mile 59.11 and Right Bank Mile 59.13

12-06

March 1, 2012

Dashields L/D, Ohio River, Mile 13.3; Access Road Closed

12-05

March 1, 2012

Schedule of Operations for 2012 Allegheny River Locks

12-04

February 24, 2012

New Cumberland L/D, Ohio River, Mile 54.3; Installation of Floating Mooring Bitts

12-03

February 21, 2012

New Cumberland L/D, Ohio River, Mile 54.3; Intermittent Closures of the 110' x 1200' River Lock Chamber

12-01

February 14, 2012

Causeway construction associated with the Masontown Bridge Replacement; Monongahela River, Left Descending Bank, Mile 79.15

12-02

February 13, 2012

Removal of two sunken coal barges; Monongahela River, Left Bank, Mile 92.1

7-20

July 3, 2007

Lock and Dam 4, Allegheny River, Mile 24.2 - Special Draft Limitations During Low Water

07-19

July 3, 2007

Lock and Dam 4, Monongahela River, Mile 41.5

Special Draft Limitations During Low Water

04-49

October 4, 2004

L/D 4, Monongahela River, Mile 41.5, Mooring of Vessels on the Land Wall

04-38

July 19, 2004

Availability of Navigation Charts

04-26

May 11, 2004

Principal Data Sheet - Navigation Locks and Dams for the Pittsburgh District

04-25

May 11, 2004

L/D 2, Monongahela River, Mile 11.2, New Interim Normal Upper Pool

04-16

March 30, 2004

L/D 4, Monongahela River, Mile 41.5, Permanent Closure of River Lock Chamber and 24-Hour Closures of Land Lock Chamber

02-32

June 26, 2002

Pike Island Locks and Dam, Ohio River Damaged Mooring Cell at Ohio River Mile 83.2