HISTORIC AMERICAN ENGINEERING RECORD INDEX TO PHOTOGRAPHS€¦ · index to photographs page 6...

HISTORIC AMERICAN ENGINEERING RECORD

INDEX TO PHOTOGRAPHS

Braddock Dam HAER No. PA-635 Monongahela River Locks and Dams Braddock Vicinity Allegheny County Pennsylvania

Photographers: CW Conrad Weiser, Pittsburgh District, US Army Corps of Engineers, June 6, 2000-March

27,2004 JB Jeff Bates, Hardlines Design Company, June 22, 2000-August 4,2004 JJ Jim Judkis, Hardlines Design Company, December 5, 200l-February 27,2002

The following photographs were taken to document the construction sequence and process of the dam and are therefore presented in chronological order. Keys to Photographs follow the captions on pages 26-66. The locations listed below indicate offsite construction activities, such as the dam segment fabrication site, in transit views between the fabrication site and outfitting pier, and the outfitting pier (see Key #).

June 6, 2000 Braddock Vicinity, Allegheny County, Pennsylvania (Keys 2 & 3)

PA-635-l

PA-635-2

PA-635-3

June 22, 2000

CONCRETE BATCH PLANT AND PEDESTRIAN FOOTBRIDGE LOOKING SOUTHWEST. (CW)

NEW LEFT BANK ABUTMENT AND DREDGING FLEET UPSTREAM OF DAM 2, LOOKING UPSTREAM, VIEW LOOKING EAST. (CW)

NEW LEFT ABUTMENT AND MONONGAHELA RIVER DAM 2 VIEWED FROM SPOT UPSTREAM OF DAM 2, LOOKING NORTH, WITH TOWBOAT AND BARGES ENTERING LOCKS. (CW)

Leetsdale, Allegheny County, Pennsylvania (Key 4)

PA-635-4

PA-635-5

CASTING BASIN EXCAVATION LOOKING WEST FROM THE SOUTHEASTERN CORNER OF THE CASTING BASIN. (JB)

CASTING BASIN EXCAVATION LOOKING SOUTH FROM THE NORTHEASTERN CORNER OF THE CASTING BASIN. (JB)

December 4,2000 Leetsdale, Allegheny County, Pennsylvania (Key 5)

BRADDOCK DAM HAER No. PA-635


PA-635-6 VIEW LOOKING WEST FROM THE SOUTHEASTERN CORNER OF THE CASTING BASIN. (JB)

PA-635-7 DAM SEGMENT 1 LOOKING WEST TOWARD OHIO RIVER FROM THE STAIRWAY ON EAST SLOPE OF THE CASTING BASIN. (JB)

PA-635-8 VIEW LOOKING NORTHEAST FROM THE SOUTHWESTERN CORNER OF THE CASTING BASIN. (JB)

PA-635-9 DAM SEGMENT 1, DETAIL OF CONCRETE PANELS AND REBAR IN APRON OF GATE BAY NO.2 LOOKING NORTHEAST. (JB)

PA-635-10 DETAIL OF DAM SEGMENT 1, GATE BAYNO. 2, CONCRETE PANELS, REBAR, AND TOWER CRANE LOOKING WEST FROM EASTERN EDGE OF CASTING BASIN. (JB)

PA-635-11 VIEW OF DAM SEGMENT 1, FIXED CREST WEIR UNDER CONSTRUCTION, LOOKING NORTHEAST FROM WEST SLOPE OF CASTING BASIN. (JB)

PA-635-12 DETAIL OF CONCRETE PANELS, CORRUGATED SLEEVES AND REBAR IN GATE BAY NO.1 OF DAM SEGMENT 1, LOOKING WEST. (JB)

P A-63 5-13 PERSPECTIVE DETAIL OF CONCRETE AND REBAR IN GATE BAY NO. 1 OF DAM SEGMENT 1, LOOKING NORTHEAST. (JB)

PA-635-14 DETAIL OF DAM SEGMENT 1 UNDER CONSTRUCTION, FROM TOP OF FIXED CREST WEIR LOOKING EAST. (JB)

PA-635-15 NORTHERN (LAUNCHING) PORTION OF CASTING BASIN WITH SHEETPILE BULKHEAD TO OHIO RNER AT CENTER, LOOKING SOUTHWEST TO OHIO RIVER FROM EASTERN EDGE OF CASTING BASIN. (JB)

May 30, 2001 Leetsdale, Allegheny County, Pennsylvania (Keys 6 & 7)

PA-635-16 CASTING BASIN, VIEW LOOKING SOUTHWEST FROM THE NORTHEAST CORNER OF THE BASIN. (JB)



PA-635-17 CASTING BASIN, VIEW OF DAM SEGMENT 1 LOOKING WEST FROM TOP OF STEPS ON EASTERN EDGE OF BASIN. (JB)

PA-635-18 CASTING BASIN, VIEW LOOKING WEST FROM SOUTHEAST CORNER OF BASIN. (JB)

PA-635-19 CASTING BASIN, VIEW OF SEGMENT 1 OF DAM, LOOKING NORTHEAST FROM WEST SIDE OF BASIN. (JB)

PA-635-20 CASTING BASIN, VIEW LOOKING NORTHEAST FROM SOUTHWEST CORNER OF BASIN. (JB)

PA-635-21 GATE BAYNO. 2 PORTION OF SEGMENT 1 OF DAM, LOOKING NORTHWEST FROM STILLING BASIN APRON. (JB)

PA-635-22 SEGMENT 1 OF DAM, DETAIL OF GROUT PIPES AND SPILLWAY, LOOKING SOUTHWEST FROM TOP OF GATE BAY NO.2. (JB)

PA-635-23 SEGMENT 1 OF DAM, DETAIL OF JUNCTION BETWEEN WEIR AND APRON PORTIONS OF SPILL WAY, LOOKING NORTH FROM APRON TOWARD PIER 1. (JB)

PA-635-24 SEGMENT 1 OF DAM, WEIR SECTION OF SPILLWAY UNDER CONSTRUCTION WITH REBAR VISIBLE, LOOKING NORTHWEST FROM APRON. (JB)

PA-635-25 SEGMENT 1 OF DAM, DETAIL OF CONCRETE FORMS AND CORRUGATED SLEEVE FOR DRILLED SHAFT ON APRON OF GATE BAY NO.4, LOOKING SOUTHEAST. (JB)

PA-635-26 SEGMENT 2 OF DAM, LOOKING SOUTHWEST AT REBAR AND FORMWORK AT JUNCTURE BETWEEN WEIR AND APRON UNDER CONSTRUCTION. (JB)

July 12, 2001 Leetsdale, Allegheny County, Pennsylvania (Key 8)

PA-635-27 DAM SEGMENT 1 IN SUPERFLOODED LAUNCH BASIN, LOOKING SOUTHWEST FROM NORTHEAST CORNER OF BASIN. (JB)

PA-635-28 DAM SEGMENT 1 IN LAUNCH BASIN, LOOKING NORTHWEST FROM EAST SIDE OF BASIN. (JB)



PA-635-29 DAM SEGMENT 2, LOOKING SOUTHWEST FROM EAST SIDE SLOPE OF BASIN. (JB)

PA-635-30 DAM SEGMENT 1, LOOKING SOUTHEAST FROM NORTHWEST CORNER OF BASIN, WITH DAM SEGMENT 2 IN BACKGROUND. (JB)

PA-635-31 CASTING BASIN, LOOKING NORTHWEST FROM SOUTHEAST CORNER OF BASIN, DAM SEGMENT 2 IN FOREGROUND, DAM SEGMENT 1 IN BACKGROUND. (JB)

PA-635-32 DAM SEGMENT 2, LOOKING NORTHWEST FROM SOUTHEAST CORNER OF BASIN. (JB)

PA-635-33 DAM SEGMENT 1, LOOKING NORTHEAST FROM SOUTHWEST CORNER OF BASIN. (JB)

July 26, 2001 Ohio and Monongahela Rivers Vicinity, Allegheny County, Pennsylvania (Keys 1,9 & 10)

PA-635-34 VIEW OF DAM SEGMENT 1 ENTERING DASHIELDS LOCK, LOOKING WEST (DOWNRIVER) FROM OUTER GUIDE WALL. (JB)

PA-635-35 VIEW OF DAM SEGMENT 1 IN LARGE LOCK CHAMBER AT DASHIELDS, VIEW FROM UPPER LOCK GATE, LOOKING NORTHWEST. (JB)

PA-635-36 DAM SEGMENT 1 FULLY IN DASHIELDS LOCK CHAMBER, VIEW FROM OUTER EDGE OF UPPER GATE, LOOKING WEST (DOWNRIVER) (LOCK NEARL Y FULL OF WATER). (JB)

PA-635-37 DAM SEGMENT 1 LEAVING DASHIELDS LOCK, LOOKING SOUTH (UPRIVER) FROM OUTER LOCK GUIDE WALL. (JB)

PA-635-38 DAM SEGMENT 1 LEAVING DASHIELDS LOCK AREA, MOVING OUT INTO CHANNEL FROM NEAR END OF LOCK OUTER GUIDE WALL, LOOKING SOUTH FROM OUTER LOCK GUIDE WALL. (JB)

PA-635-39 DAM SEGMENT 1 ENTERING LOCK AT EMSWORTH, VIEW LOOKING NORTHWEST FROM TOP OF FIRST PIER OF EMSWORTH DAM. (JB)

PA-635-40 DAM SEGMENT 1 ENTERING LOCK AT EMS WORTH, VIEW LOOKING EAST FROM LOWER GUARD WALL OF LOCK. (CW)



PA-635-41 DAM SEGMENT 1 MOSTLY IN EMSWORTH LOCK, LOOKING EAST FROM PIER ONE OF EMSWORTH DAM. (JB)

PA-635-42 DAM SEGMENT 1, DEPARTING EMSWORTH LOCK, LOOKING EAST FROM PIER ONE OF EMSWORTH DAM. (JB)

PA-635-43 DAM SEGMENT 1, VIEW FROM WEST END BRIDGE, PITTSBURGH, LOOKING TOWARDS PITTSBURGH SKYLINE. (JB)

PA-635-44 DAM SEGMENT 1, VIEW FROM SMITHFIELD STREET BRIDGE, PITTSBURGH, LOOKING TOWARDS PITTSBURGH SKYLINE. (CW)

PA-635-45 DAM SEGMENT 1 APPROACHING MONONGAHELA RIVER LOCKS AND DAM 2, LOOKING NORTHWEST FROM WESTERN TIP OF LOWER GUARD WALL. (JB)

PA-635-46 DAM SEGMENT 1 AFTER LEAVING LOCKS AND DAM 2, HEADING TOWARD DUQUESNE, LOOKING SOUTHEAST (UPRIVER). (JB)

PA-635-47 DAM SEGMENT 1 AFTER LEAVING LOCKS AND DAM 2, HEADING TOWARD DUQUESNE, LOOKING SOUTHEAST (UPRIVER) FROM LOCKS 2 EMERGENCY BULKHEAD STORAGE STUCTURE. (CW)

October 15, 2001 Duquesne Vicinity, Allegheny County, Pennsylvania (Key 11)

PA-635-48 OVERALL VIEW OF WEST CORNER OF DAM SEGMENT 1 LOOKING EAST FROM RAILROAD TRACKS ABOVE CONSTRUCTION SITE. (JB)

PA-635-49 DAM SEGMENT 1, NORTH CORNER LOOKING SOUTH FROM A BOAT IN THE MONONGAHELA RIVER. (JB)

PA-635-50 DAM SEGMENT 1, VIEW OF EAST CORNER OF SEGMENT LOOKING WEST, FROM A BOAT IN THE MONONGAHELA RIVER. (JB)

PA-635-51 DAM SEGMENT 1, NORTHEAST ELEVATION LOOKING SOUTHWEST FROM A BOAT IN THE MONONGAHELA RIVER. (JB)

PA-635-52 DAM SEGMENT 1, VIEW OF WATER QUALITY BAY WITH STEEL BULKHEADS LOOKING SOUTHWEST FROM NORTHWEST CORNER OF CONSTRUCTION PLATFORM BUILT OVER WATER QUALITY BAY. (JB)



PA-635-53 DAM SEGMENT 1, VIEW LOOKING WEST ACROSS WATER QUALITY GATE BAY FROM TOP OF CONSTRUCTION PLATFORM POSITIONED OVER STANDARD GATE BAY. (JB)

PA-635-54 DAM SEGMENT 1, WEST CORNER LOOKING EAST WITH WORKERS AND FIXED CREST WEIR BAY IN FOREGROUND. (JB)

PA-635-55 DAM SEGMENT 1, UNDERSIDE OF CONSTRUCTION PLATFORM IN STANDARD GATE BAY, LOOKING WEST FROM NEAR THE EAST CORNER OF UNIT ONE. (JB)

PA-635-56 DAM SEGMENT 1, FIXED CREST WEIR BAY LOOKING NORTH AT PORTION OF SLOPED WEIR SURF ACE NEAR BULKHEAD. (JB)

PA-635-57 DAM SEGMENT 1, CRANES POSITIONING BULKHEAD, VIEW LOOKING WEST FROM CONSTRUCTION PLATFORM BUILT OVER STANDARD GATE BAY OF UNIT. (JB)

PA-635-58 DAM SEGMENT 1, VIEW LOOKING NORTHWEST WITH CRANES MOVING BULKHEAD. (JB)

October 31, 2001 Leetsdale Vicinity, Allegheny County, Pennsylvania (Key 12)

PA-635-59 DAM SEGMENT 2, VIEW ACROSS LAUNCH BASIN AT DOWNSTREAM PROFILE, PRIOR TO INSTALLATION OF BULKHEADS, LOOKING SOUTHEAST. (CW)

December 5-6, 2001 Braddock V~cinity, Allegheny County, Pennsylvania (Keys 13 & 14)

PA-635-60 DAM SEGMENT 1 IN TRANSPORT FROM DUQUESNE, PENNSYLVANIA, TURNING DOWNSTREAM OF PORT PERRY RAILROAD BRIDGES TOWARDS SETDOWN LOCATION ABOVE MONONGAHELA RIVER DAM 2, VIEW FROM UPPER GUIDE WALL OF LOCKS AND DAM 2 LOOKING SOUTHEAST. (CW)

PA-635-61 DAM SEGMENT 1 BEING MANEUVERED TOWARD SOUTH SHORE AS IT TRAVELS DOWN THE MONONGAHELA RIVER ABOVE LOCKS AND DAM 2. VIEW LOOKING NORTHEAST FROM GRAVEL ROAD ABOVE SOUTH BANK OF MONONGAHELA RIVER. (JJ)



PA-635-62 VIEW OF DAM SEGMENT 1 TRAVELING DOWN THE MONONGAHELA RIVER JUST ABOVE LOCKS AND DAM 2. VIEW LOOKING NORTHEAST FROM GRAVEL ROAD ABOVE SOUTH BANK OF MONONGAHELA RIVER. (JJ)

PA-635-63 CLOSE UP VIEW OF DAM SEGMENT 1 NEAR ITS FINAL POSITION AT LOCKS AND DAM 2, LOOKING NORTHEAST FROM GRAVEL ROAD ABOVE SOUTH BANK OF MONONGAHELA RIVER. TOWBOATS AND CABLES ARE JUST BEGINNING TO ROTATE SEGMENT INTO A POSITION PERPENDICULAR TO THE LOCKS. (JJ)

PA-635-64 DAM SEGMENT 1 IN MID-ROTATION TO A POSITION PERPENDICULAR TO LOCKS AT LOCKS AND DAM 2. VIEW LOOKING NORTHEAST FROM GRAVEL ROAD ABOVE SOUTH BANK OF MONONGAHELA RIVER. (JJ)

PA-635-65 DAM SEGMENT 1 MANUEVERING INTO FINAL POSITION AGAINST LOCKS 2 RIVER WALL, VIEW FROM LEFT BANK DOWNSTREAM OF DAM 2, LOOKING EAST. (CW)

PA-635-66 WIDE ANGLE VIEW OF DAM SEGMENT 1 PERPENDICULAR TO LOCKS 2, AND IN ITS FINAL POSITION. VIEW LOOKING NORTHEAST FROM HILLTOP ABOVE MONONGAHELA RIVER AT KENNYWOOD AMUSEMENT PARK NORTH OF DUQUESNE. (JJ)

PA-635-67 CLOSER VIEW OF DAM SEGMENT ONE PERPENDICULAR TO LOCKS 2, AND IN ITS FINAL POSITION. VIEW LOOKING NORTHEAST FROM HILL TOP ABOVE MONONGAHELA RIVER AT KENNYWOOD AMUSEMENT PARK NORTH OF DUQUESNE. (JJ)

PA-635-68 VIEW OF DAM SEGMENT 1 BEING SUBMERGED TO ITS PREPARED FOUNDATION AT LOCKS AND DAM 2. VIEW TAKEN LATE IN THE AFTERNOON OF DECEMBER 6, 2001 LOOKING NORTH FROM SOUTH BANK OF MONONGAHELA RIVER. (JJ)

PA-635-69 VIEW OF DAM SEGMENT BEING LOWERED TO BOTTOM OF MONONGAHELA RIVER ON AFTERNOON OF DECEMBER 6, 2001. VIEW LOOKING NORTH FROM TIMBER PLATFORM ABOVE SOUTH BANK OF MONONGAHELA RIVER. (JJ)

December 6, 2001 Leetsdale Vicinity, Allegheny County, Pennsylvania (Key 15)



PA-635-70 CONTEXT VIEW OF CASTING BASIN WITH SEGMENT 2, LOOKING SOUTHWEST FROM NEAR NORTHEAST CORNER OF CASTING BASIN. (JJ)

PA-635-71 SEGMENT 2 LOOKING SOUTHWEST FROM EASTERN EDGE OF CASTING BASIN. (JJ)

PA-635-72 SOUTHWEST CORNER OF SEGMENT 2 LOOKING NORTH FROM NEAR SOUTHWEST CORNER OF CASTING BASIN. (JJ)

PA-635-73 NORTHWEST CORNER OF SEGMENT 2 LOOKING SOUTHEAST FROM FLOOR OF CASTING BASIN. (JJ)

PA-635-74 DETAIL OF SOUTHEAST CORNER OF SEGMENT 2 LOOKING NORTHWEST FROM FLOOR OF CASTING BASIN. (JJ)

PA-635-75 VIEW OF TOP OF WEIR ON SEGMENT 2, LOOKING EAST FROM NEAR WEST EDGE OF SEGMENT, SHOWING CONCRETE AND REBAR. (JJ)

PA-635-76 DETAIL OF STEEL PLATE ON NORTHWEST CORNER OF SEGMENT 2, LOOKING SOUTHEAST FROM FLOOR OF CASTING BASIN. (JJ)

PA-635-77 DETAIL OF CONCRETE AND REBAR ON PIER UNDER CONSTRUCTION NEAR SOUTHWEST CORNER OF SEGMENT 1, LOOKING NORTHWEST. (JJ)

February 15, 2002 Braddock Vicinity, Allegheny County, Pennsylvania (Keys 2 & 16)

PA-635-78 "SPIDER" CONCRETE PLACEMENT DEVICE POURING CONCRETE INTO HOPPER/CHUTE, LOOKING SOUTHEAST ON BRADDOCK DAM SEGMENT 1 DECK. (JB)

PA-635-79 "SPIDER" CONCRETE PLACEMENT DEVICE POURING CONCRETE INTO CHUTE/HOPPER ON DECK OF BRADDOCK DAM SEGMENT 1. VIEW LOOKING SOUTHWEST FROM RIVER WALL, LOCKS AND DAM 2. (JB)



PA-635-80 CRANE FLATS AND BARGES MOORED AT BRADDOCK DAM SEGMENT 1, LOOKING SOUTHWEST FROM SHEETPILE CELL ON UPPER GUARD WALL, MONONGAHELA LOCKS AND DAM TWO. (lB)

PA-635-81 CONCRETE PRODUCTION AND DELIVERY CONTEXT, BRADDOCK DAM SEGMENT 1 LOOKING SOUTHEAST FROM TOP OF EMERGENCY BULKHEAD STORAGE BRIDGE, LOCKS AND DAM 2. (lB)

PA-635-82 CONCRETE DELIVERY TRESTLE AND FOOTBRIDGE, BRADDOCK DAM SEGMENT 1 LOOKING NORTHWEST FROM WOODEN PLATFORM NEAR CONCRETE PUMPING BARGE ON SOUTH BANK OF MONONGAHELA RIVER. (JB)

PA-635-83 BRADDOCK DAM SEGMENT 1, CONTEXT LOOKING NORTHEAST FROM GRAVEL ROAD ON SOUTH BANK OF MONONGAHELA RIVER. (JB)

PA-635-84 CONCRETE BATCH PLANT FOR BRADDOCK DAM, LOOKING WEST FROM SITE NEAR EASTERN EDGE OF SETTLING POND. (lB)

PA-635-85 CONCRETE BATCH PLANT FOR BRADDOCK DAM LOOKING EAST FROM SITE NEAR SAND PILE, ON WEST END OF PLANT. (lB)

February 22,2002 Leetsdale Vicinity, Allegheny County, Pennsylvania (Key 17)

PA-635-86 DAM SEGMENT 2 IN LAUNCH BASIN, WITH PUMPS IN FOREGROUND. VIEW LOOKING NORTH FROM WEST EDGE OF BASIN. (CW)

PA-635-87 DAM SEGMENT 2 IN LAUNCH BASIN, LOOKING SOUTHEAST FROM NORTHEAST CORNER OF BASIN. (CW)

February 26, 2002 Leetsdale Vicinity, Allegheny County, Pennsylvania (Key 18)

PA-635-88 LEETSDALE CASTING BASIN, VIEW OF BASIN AND BRADDOCK DAM SEGMENT 2 IN LAUNCH BASIN, LOOKING NORTHWEST FROM EASTERN EDGE OF BASIN. (ll)

PA-635-89 LEETSDALE CASTING BASIN, LOOKING NORTHWEST AT SOUTH ELEVATION OF SEGMENT 2. VIEW IS OF WESTERN PORTION OF SOUTH ELEVATION, AND SHOWS OPENING THROUGH BULKHEAD TO OHIO RIVER. (ll)



PA-635-90 LEETSDALE CASTING BASIN, NORTH ELEVATION OF SEGMENT 2 AT NORTHWEST CORNER. VIEW LOOKING SOUTHWEST FROM NORTH EDGE OF CASTING BASIN TO THE OHIO RIVER. (JJ)

February 27, 2002 Ohio and Monongahela Rivers Vicinity, Allegheny County, Pennsylvania (Keys 1 & 19)

PA-635-91 BRADDOCK DAM SEGMENT 2 IN THE LAND SIDE LOCK AT DASHIELDS LOCKS AND DAM. VIEW LOOKING SOUTHWEST FROM THE MIDDLE LOCK WALL. (JJ)

PA-635-92 VIEW OF BRADDOCK DAM SEGMENT 2 EXITING DASHIELDS LOCKS AND DAM LOOKING SOUTHEAST (UPSTREAM) FROM RIVER LOCK WALL. (CW)

PA-635-93 BRADDOCK DAM SEGMENT 2 DEPARTING THE LAND SIDE LOCK AT DASHIELDS LOCKS AND DAM. VIEW LOOKING EAST FROM MIDDLE LOCK WALL. (JJ)

PA-635-94 VIEW OF BRADDOCK DAM SEGMENT 2 ARRIVING AT EMSWORTH LOCKS AND DAMS, OHIO RIVER, LOOKING NORTHWEST (DOWNSTREAM) FROM DAM FOOTBRIDGE, (CW)

PA-635-95 BRADDOCK DAM SEGMENT 2 ENTERING LAND SIDE LOCK AT EMSWORTH LOCKS AND DAMS. VIEW LOOKING NORTHWEST FROM THE DOWNSTREAM END OF THE MIDDLE LOCK WALL. (JJ)

PA-635-96 BRADDOCK DAM SEGMENT 2 LEAVING LAND SIDE LOCK AT EMSWORTH LOCKS AND DAMS. VIEW LOOKING NORTHEAST FROM FIRST SHEETPILE CELL ON EAST END OF UPPER GUARD WALL. (JJ)

PA-635-97 VIEW OF BRADDOCK DAM SEGMENT 2 APPROACHING THE POINT AT PITTSBURGH LOOKING EAST FROM THE WEST END OVERLOOK AT ABOUT 1430 HOURS. (CW)

March 21, 2002 Braddock Vicinity, Allegheny County, Pennsylvania (Key 20)

PA-635-98 VIEW OF HIGH WATER LOOKING EAST TOWARDS SEGMENT 1 FROM DOWNSTREAM OF DAM 2 ABUTMENT. UPPER GAUGE HEIGHT AND FLOW AT TIME OF PHOTOGRAPH (3:00 PM) WAS 18.32 FEET AND 77,990 CFS. PEAK OF FLOW WAS 85,260 CFS AND 18.79 FEET AT 10:00 AM. (CW)



PA-635-99 VIEW OF HIGH WATER LOOKING NORTHEAST TOWARDS SEGMENT 1 IN LINE WITH AXIS OF DAM, FROM ABUTMENT. (CW)

April 1, 2002 Duquesne Vicinity, Allegheny County, Pennsylvania (Key 21)

PA-635-100 OVERALL VIEW OF SEGMENT 2 LOOKING EAST FROM RAILROAD TRACKS ABOVE OUTFITTING PIER. (JB)

PA-635-101 VIEW OF WORKERS ON EASTERNMOST PIER OF SEGMENT 2. VIEW LOOKING NORTHEAST FROM RAILROAD TRACKS ABOVE OUTFITTING PIER. (JB)

June 17-18,2002 Braddock and Duquesne Vicinities, Allegheny County, Pennsylvania (Keys 22-24)

PA-635-102 DUQUESNE OUTFITTING PIER, DAM SEGMENT 2 LOOKING NORTHEAST FROM RAILROAD TRACK ABOVE OUTFITTING PIER. (JB)

PA-635-103 DUQUESNE OUTFITTING PIER, SEGMENT 2 PULLING AWAY FROM PIER, LOOKING NORTHEAST. (JB)

PA-635-104 DUQUESNE OUTFITTING PIER, SEGMENT 2 BEING ROTATED IN PREPARATION FOR BEING TOWED DOWNRIVER TO LOCKS AND DAM 2. VIEW LOOKING NORTH FROM RAILROAD TRACKS ABOVE OUTFITTING PIER. (JB)

PA-635-105 DUQUESNE OUTFITTING PIER, DAM SEGMENT 2 PREPARING TO HEAD DOWNRIVER, LOOKING NORTH FROM RAILROAD TRACK ABOVE OUTFITTING PIER. (JB)

PA-635-106 DAM SEGMENT 2 PASSING UNDER RAILROAD BRIDGE, LOOKING SOUTH FROM UPPER LAND WALL OF LOCKS. (CW)

PA-635-107 DAM SEGMENT 2 PASSING HEAD OF UPPER GUARD WALL LOOKING SOUTHWEST FROM UPPER LAND WALL OF LOCKS. (CW)

PA-635-108 VIEW OF DAM SEGMENT 2 APPROACHING MONONGAHELA LOCK AND DAM 2. VIEW LOOKING NORTHEAST FROM GRAVEL ROAD ON SOUTH BANK OF MONONGAHELA RIVER, UPSTREAM OF DAM 2. (JB)



PA-635-109 CLOSE-UP VIEW OF DAM SEGMENT 2 BEING ROTATED NEAR ITS SETDOWN POSITION. VIEW LOOKING NORTHEAST FROM GRAVEL ROAD ON SOUTH BANK OF MONONGAHELA RIVER. (JB)

PA-635-110 DAM SEGMENT 2 BEING ROTATED NEAR THE SET DOWN SITE AT LOCK AND DAM 2, WIDE ANGLE CONTEXT SHOT LOOKING NORTHEAST FROM GRAVEL ROAD ON SOUTH BANK OF MONONGAHELA RIVER. (JB)

PA-635-111 DAM SEGMENT 2 BEING ROTATED WITH SEGMENT 1 PIERS IN FOREGROUND, VIEWED FROM EMERGENCY BULKHEAD STRUCTURE OF LOCKS 2, LOOKING SOUTHWEST. (CW)

PA-635-112 DAM SEGMENT 2 BEING ROTATED NEAR THE SETDOWN SITE AT LOCKS AND DAM 2, LOOKING NORTHEAST FROM GRAVEL ROAD ON SOUTH BANK OF THE MONONGAHELA RIVER. (JB)

PA-635-113 SEGMENT 2 POSITIONED PERPENDICULAR TO LOCKS 2. THE SEGMENT IS ABOUT TO BE BACKED INTO SETDOWN POSITION, LOOKING NORTHEAST FROM GRAVEL ROAD ON SOUTH BANK OF MONONGAHELA RIVER. (JB)

PA-635-114 SEGMENT 2 POSITIONED PERPENDICULAR TO LOCKS 2. THE SEGMENT IS ABOUT TO BE CABLED TO CORNER WINCHES. VIEW LOOKING NORTHEAST FROM A SITE FURTHER TO THE EAST ON GRAVEL ROAD ON SOUTH BANK OF MONONGAHELA RIVER. (JB)

PA-635-115 SEGMENT 2 POSITIONED PERPENDICULAR TO LOCKS 2. THE SEGMENT IS ABOUT TO BE CABLED TO CORNER WINCHES. VIEW LOOKING SOUTHWEST FROM EMERGENCY BULKHEAD STRUCTURE OF LOCKS 2. (CW)

PA-635-116 SEGMENT TWO POSITIONED PERPENDICULAR TO LOCKS 2. THE SEGMENT IS CABLED AND READY TO BE BACKED INTO SETDOWN POSITION, LOOKING NORTHEAST FROM WOODEN PLATFORM ON THE SOUTH BANK OF THE MONONGAHELA RIVER. (JB)

PA-635-117 SEGMENT TWO POSITIONED PERPENDICULAR TO LOCKS 2. THE SEGMENT IS ABOUT TO BE BACKED INTO SET DOWN POSITION, LOOKING NORTH FROM SPOT ON EASTERN PORTION OF GRAVEL ROAD ON THE SOUTH BANK OF THE MONONGAHELA RIVER. (JB)



PA-635-118 SEGMENT 2 BEING MOVED WITH CABLES AND TOWBOATS INTO ITS FINAL POSITION FOR SET DOWN POSITIONED PERPENDICULAR TO LOCKS 2. VIEW LOOKING NORTHEAST FROM GRAVEL ROAD ON THE SOUTH BANK OF THE MONONGAHELA RIVER. (JB)

PA-635-119 SEGMENT 2 IN FINAL SETDOWN POSITION, CONTEXT SHOT LOOKING NORTHEAST FROM SOUTH BANK OF THE MONONGAHELA RIVER BELOW DAM 2. DAM 2 IS VISIBLE IN FOREGROUND. (JB)

PA-635-120 SEGMENT 2 IN FINAL SETDOWN POSITION LOOKING NORTHEAST FROM A SPOT ON THE SOUTH BANK OF THE MONONGAHELA RIVER BELOW DAM 2. CLOSER UP VIEW, WITH DAM 2 VISIBLE IN FOREGROUND. (JB)

PA-635-121 SEGMENT TWO IN ITS FINAL POSITION FOR SET DOWN POSITIONED PERPENDICULAR TO LOCKS 2. VIEW LOOKING NORTHEAST FROM GRAVEL ROAD ON THE SOUTH BANK OF THE MONONGAHELA RIVER. (JB)

PA-635-122 VIEW OF PARTIALLY SUBMERGED DAM SEGMENT 2 LOOKING SOUTHWEST FROM ELEVATED EMERGENCY BULKHEAD STRUCTURE ABOVE RIVER CHAMBER AT LOCKS 2. VIEW TAKEN ON JUNE 18. (JB)

PA-635-123 CLOSE-UP VIEW OF PARTIALLY SUBMERGED DAM SEGMENT 2 LOOKING SOUTHWEST FROM EMERGENCY BULKHEAD STRUCTURE ABOVE RIVER CHAMBER AT LOCKS 2. VIEW TAKEN ON JUNE 18. (JB)

PA-635-124 RIVER CHAMBER AT LOCKS AND DAM 2, IN USE AS A FLOODWAY. VIEW LOOKING EAST FROM RIVER WALL OF LOCKS. SHOWS WATER FLOWING OVER EMERGENCY BULKHEAD PLACED IN THE LOCK DURING THE DAM SEGMENT 2 SETDOWN PROCESS. (JB)

PA-635-125 VIEW OF RIVER SIDE LOCK AT LOCKS 2 LOOKING SOUTHEAST FROM MIDDLE LOCK WALL. SHOWS LOCK WITH MAINTENANCE BULKHEAD IN PLACE, WITH SEGMENT TWO IN BACKGROUND, SHOT TAKEN JUNE 18. (JB)

PA-635-126 VIEW OF PARTIALLY SUBMERGED DAM SEGMENT 2 VIEWED FROM LOWER GUARD WALL AT LOCKS 2. VIEW LOOKING SOUTH, WITH DAM 2 IN FOREGROUND. (JB)

PA-635-127 VIEW OF PARTIALLY SUBMERGED SEGMENT TWO FROM END OF UPPER GUARD WALL AT LOCKS 2. VIEW LOOKING WEST. (JB)



PA-635-128 SEGMENT 2, PARTIALLY SUBMERGED, LOOKING NORTH FROM WOODEN PLATFORM ON SOUTH BANK OF THE MONONGAHELA RIVER. SHOT TAKEN JUNE 18. (JB)

PA-635-129 SEGMENT 2, PARTIALLY SUBMERGED, LOOKING NORTHEAST FROM GRAVEL ROAD ON SOUTH BANK OF THE MONONGAHELA RIVER. SHOT TAKEN JUNE 18. (JB)

June 18, 2002 Leetsdale Vicinity, Allegheny County, Pennsylvania (Key 25)

PA-635-130 LEETSDALE CASTING BASIN LOOKING SOUTHWEST FROM THE NORTHEAST CORNER OF THE BASIN. BULKHEAD TO RIVER REPLACED, LAUNCH BASIN DRAINED AND PARTIALLY FILLED. (JB)

P A-63 5-131 CONCRETE FOUNDATION SYSTEM FOR PRECAST PANEL POSITIONING EXPOSED AT THE BOTTOM OF THE LEETSDAIE CASTING BASIN, LOOKING WEST FROM EASTERN EDGE OF BASIN. (JB)

November 13-14,2002 Braddock Vicinity, Allegheny County, Pennsylvania (Keys 26 & 27)

PA-635-132 BRADDOCK DAM PIERS 1 AND 2, LOOKING EAST FROM CRANE BARGE. VIEW TAKEN NOVEMBER 13,2002. (JB)

PA-635-133 BRADDOCK DAM, VIEW OF THE CONSTRUCTION SITE FROM AN EMERGENCY BULKHEAD STORAGE TOWER ABOVE MONONGAHELA RIVER LOCKS 2. VIEW LOOKING SOUTH ON NOVEMBER 13,2002. (JB)

PA-635-134 BRADDOCK DAM PIERS 4 AND 5, LOOKING SOUTH FROM CRANE BARGE. VIEW TAKEN NOVEMBER 13,2002. (JB)

PA-635-135 PERSPECTIVE VIEW OF BRADDOCK DAM PIER 4 LOOKING NORTHEAST FROM PIER 5. VIEW TAKEN ON NOVEMBER 13,2002. (JB)

PA-635-136 BRADDOCK DAM, PIER 1 AND SECTION OF DAM GATE BAY ENCLOSED IN BULKHEADS. VIEW LOOKING EAST FROM PIER 2. VIEW TAKEN ON NOVEMBER 13,2002. (JB)



PA-635-137 TAILRACE PANEL No. 30 PLACEMENT SITE OVERVIEW, LOOKING EAST FROM A GRAVEL ROAD ABOVE THE SOUTH BANK OF THE MONONGAHELA RIVER. VIEW TAKEN ON NOVEMBER 13,2002. (JB)

PA-635-138 TAILRACE PANEL INSTALLATION SITE AT BRADDOCK DAM, TEMPLATE GUIDE AND DIVE BARGE. VIEW LOOKING NORTH FROM PIER 5 OF BRADDOCK DAM. VIEW TAKEN ON NOVEMBER 13,2002. (JB)

PA-635-139 TAILRACE PANEL No. 30 ON BARGE BEFORE INSTALLATION, LOOKING WEST FROM AN ADJACENT BARGE. VIEW TAKEN ON NOVEMBER 13,2002. (JB)

PA-635-140 DETAIL OF THE END OF BRADDOCK DAM TAILRACE PANEL No. 30 ON BARGE, BEFORE INSTALLATION. VIEW LOOKING SOUTH TAKEN ON NOVEMBER 13,2002. (JB)

PA-635-141 BRADDOCK DAM TAILRACE PANEL No. 30 INSTALLATION. VIEW SHOWS THE CONCRETE PANEL SUSPENDED BY CRANES JUST PRIOR TO BEING LOWERED ONTO A STAND FOR UNDERSIDE REINFORCING ROD INSTALLATION, FOR FITTING, BEFORE FINAL INSTALLATION. VIEW LOOKING NORTHEAST, TAKEN FROM A WOODEN PLATFORM ON SOUTH BANK OF THE MONONGAHELA RIVER ON NOVEMBER 14, 2002. (JB)

PA-635-142 BRADDOCK DAM TAILRACE PANEL INSTALLATION. VIEW SHOWS PANEL SITTING ON A STAND FOR UNDERSIDE REINFORCING ROD INSTALLATION. LOOKING NORTHEAST FROM A WOODEN PLATFORM ON THE SOUTH BANK OF THE MONONGAHELA RIVER ON NOVEMBER 14,2002. (JB)

PA-635-143 INSTALLING REINFORCING RODS INTO THREADED HOLES ON THE UNDERSIDE OF TAILRACE PANEL No. 30. VIEW LOOKING EAST FROM BRADDOCK DAM ABUTMENT. (CW)

PA-635-144 PRECASE TAILRACE PANEL No. 30 FULLY PREPARED FOR INSTALLATION, SUSPENDED WHILE TEMPORARY SUPPORT BARGE IS REMOVED. VIEW LOOKING EAST FROM BRADDOCK DAM ABUTMENT. (CW)



PA-635-145 BRADDOCK DAM TAILRACE PANEL INSTALLATION. VIEW SHOWS PANEL BEING LOWERED INTO THE MONONGAHELA RIVER AFTER BARGE AND STAND WITHDRAWAL. VIEW LOOKING NORTHEAST FROM A WOODEN PLATFORM ON THE SOUTH BANK OF THE MONONGAHELA RIVER ON NOVEMBER 14, 2002. (JB)

PA-635-146 BRADDOCK DAM TAILRACE PANEL INSTALLATION. VIEW SHOWS PARTIALLY SUBMERGED PANEL BEING MANEUVERED FORWARD AGAINST GUIDE IN THE FINAL STAGES OF INSTALLATION. VIEW LOOKING NORTHEAST FROM A WOODEN PLATFORM ON THE SOUTH BANK OF THE MONONGAHELA RIVER ON NOVEMBER 14, 2002. (JB)

June 20, 2003 Braddock and Duquesne Vicinity, Allegheny County, Pennsylvania (Keys 28 & 29)

PA-635-147 DUQUESNE OUTFITTING PIER, VIEW OF DAM GATE ON TRANSPORT BARGE LOOKING SOUTH FROM A BARGE TIED TO THE OUTFITTING PIER. (JB)

PA-635-148 DUQUESNE OUTFITTING PIER, VIEW OF DAM GATE ON TRANSPORT BARGE, LOOKING EAST FROM OUTFITTING PIER. (JB)

PA-635-149 DUQUESNE OUTFITTING PIER, DETAIL OF CORNER, ARM, AND TRUNNION OF DAM GATE ON BARGE, LOOKING EAST FROM AN ABANDONED FUEL UNLOADING PIER NEXT TO THE OUTFITTING PIER. (JB)

PA-635-150 BRADDOCK DAM LOOKING NORTHEAST FROM A GRAVEL ROAD ON THE SOUTH BANK OF THE MONONGAHELA RIVER. (JB)

PA-635-151 OVERALL VIEW OF UPSTREAM FACE OF BRADDOCK DAM LOOKING NORTHEAST FROM A WOODEN PLATFORM ON THE SOUTH BANK OF THE MONONGAHELA RIVER. (JB)

PA-635-152 BRADDOCK DAM ELEVATOR TOWER AND FOOTBRIDGE LOOKING SOUTHWEST FROM THE ESPLANADE AT MONONGAHELA LOCKS 2. (JB)

PA-635-153 DETAIL OF WATER QUALITY BAY GATE ARM TRUNNION AND CYLINDER ON PIER 1 OF BRADDOCK DAM. VIEW LOOKING EAST FROM PIER 2. (JB)



PA-635-154 INSTALLATION OF GATE CYLINDER ON PIER 3 OF BRADDOCK DAM LOOKING NORTH FROM FOOTBRIDGE. (JB)

PA-635-155 INSTALLATION OF GATE CYLINDER ON PIER 3 OF BRADDOCK DAM LOOKING NORTH FROM FOOTBRIDGE. (JB)

PA-635-156 GATE MACHINERY BUILDING ON TOP OF BRADDOCK DAM PIER 4, LOOKING WEST FROM FOOTBRIDGE. (JB)

P A-635-157 BRADDOCK DAM LOOKING SOUTH FROM EMERGENCY BULKHEAD STORAGE TOWER AT MONONGAHELA LOCKS 2. (JB)

PA-635-158 BRADDOCK DAM AND DAM 2 LOOKING SOUTH FROM RIVER WALL OF MONONGAHELA RIVER LOCKS 2. (JB)

June 27-28, 2003 Braddock Vicinity, Allegheny County, Pennsylvania (Key 30)

PA-635-159 INSTALLATION OF TAINTER GATE RUB PLATE (BANANA CURVE) FROM UPPER FRONT PORCH OF PIER 2 LOOKING SOUTHWEST. (CW)

PA-635-160 CRANE HOISTING GATE INSTALLATION STAND INTO PLACE IN DEW ATERED GATE BAY 2, BEFORE INSTALLATION OF TAINTER GATE. VIEW LOOKING SOUTHWEST FROM LOWER DECK OF PIER 2 OF BRADDOCK DAM. (JB)

PA-635-161 TAINTER GATE PARKED ON TRANSPORT BARGE UPSTREAM AND EAST OF BRADDOCK DAM, LOOKING EAST FROM STEEL FOOTBRIDGE ON DAM. (JB)

PA-635-162 REMOVAL OF UPSTREAM BULKHEAD IN FLOODED GATE BAY 2, PRIOR TO INSTALLATION OF TAINTER GATE. VIEW LOOKING SOUTH FROM INSIDE PIER TWO OF DAM. (JB)

PA-635-163 REMOVAL OF UPSTREAM BULKHEAD IN GATE BAY 2, REMOVED TO CRANE BARGES, PRIOR TO INSTALLATION OF TAINTER GATE. VIEW LOOKING SOUTH FROM INSIDE PIER 2 OF DAM. (JB)

PA-635-164 TAINTER GATE ON BARGE BEING MOVED INTO PLACE FOR BEGINNING OF INSTALLATION PROCESS. VIEW LOOKING SOUTHWEST FOR FROM TOP DECK OF PIER 2. (JB)



PA-635-165 TAINTER GATE ON BARGE ALIGNING INTO POSITION IN BRADDOCK DAM BAY 2, LOOKING SOUTHWEST FROM TOP DECK OF PIER TWO. (JB)

PA-635-166 TAINTER GATE BEING PUSHED INTO POSITION IN GATE BAY 2. INITIAL ENTRY VIEW LOOKING SOUTH FROM INSIDE PIER 2. (JB)

PA-635-167 TAINTER GATE BEING PUSHED INTO POSITION IN GATE BAY 2. MIl). ENTRY VIEW LOOKING SOUTH FROM INSIDE PIER 2. (JB)

PA-635-168 TAINTER GATE ON BARGE IN POSITION IN GATE BAY 2. VIEW LOOKING SOUTH FROM INSIDE PIER 2. (JB)

PA-635-169 BRADDOCK DAM UPSTREAM FACE, LOOKING WEST FROM RIVER WALL OF LOCKS 2. (JB)

PA-635-170 CLOSE-UP VIEW OF BRADDOCK DAM, UPSTREAM FACE, LOOKING WEST FROM RIVER WALL OF LOCKS 2. GATE 2 IS ON BARGE IN BAY WITH UPSTREAM BULKHEAD REPLACED. (JB)

PA-635-171 CLOSE-UP VIEW OF WORKERS ATTACHING AN OVERHEAD CABLE TO THE TRUNNION ARM OF TAINTER GATE DURING FINAL STAGES OF INSTALLATION. VIEW LOOKING NORTH FROM FOOTBRIDGE. (JB)

PA-635-172 CLOSE-UP VIEW OF SOUTH TRUNNION OF TAINTER GATE BEING INSTALLED IN BRADDOCK DAM GATE BAY 2. VIEW LOOKING WEST FROM FOOTBRIDGE. (JB)

PA-635-173 VIEW OF FINAL STAGES OF INSTALLATION OF TAINTER GATE IN GATE BAY 2. VIEW LOOKING SOUTHWEST FROM FOOTBRIDGE. (JB)

PA-635-174 TAINTER GATE IN PLACE IN BRADDOCK DAM BAY 2 DURING FINAL STAGES OF INSTALLATION, LOOKING SOUTH FROM STEEL GATE CYLINDER MOUNT GIRDER ON PIER 2. (JB)

August 28, 2003 Braddock and Duquesne Vicinities, Allegheny County, Pennsylvania (Keys 31-33)

PA-635-175 CORPS DUQUESNE CONSTRUCTION OFFICE, VIEW OF NORTH CORNER FROM EQUIPMENT YARD, LOOKING SOUTH. (JB)



PA-635-176 SUSAN RITSKO AT THE FRONT DESK IN BRADDOCK DAM CONSTRUCTION OFFICE AT DUQUESNE. (JB)

P A-635-177 KIRK MCWILLIAMS, BRADDOCK DAM RESIDENT ENGINEER, IN HIS OFFICE AT THE DUQUESNE CONSTRUCTION OFFICE. (JB)

PA-635-178 BRADDOCK DAM, UPSTREAM FACE, VIEW FROM WOODEN PLATFORM ON SOUTH BANK OF MONONGAHELA RIVER, LOOKING NORTH. (JB)

P A-63 5-179 BRADDOCK DAM, DOWNSTREAM FACE, VIEW FROM GRAVEL ROAD ON SOUTH BANK OF MONONGAHELA RIVER, WITH PILING FOR SOUTH BANK ABUTMENT COFFERBOX IN FOREGROUND, LOOKING EAST. (JB)

PA-635-180 COFFERBOX INSTALLATION FOR ABUTMENT ON SOUTH BANK OF MONONGAHELA RIVER, VIEW FROM WOODEN PLATFORM ON SOUTH BANK OF MONONGAHELA RIVER, LOOKING NORTHWEST. (JB)

P A-635-181 BRADDOCK DAM, VIEW OF DOWNSTREAM FACE FROM RIVER WALL OF LOCKS 2, DETAIL OF FIXED CREST WEIR AND WATER QUALITY GATE, LOOKING SOUTH. (JB)

PA-635-182 BRADDOCK DAM, DEWATERED GATE BAY 2, VIEW FROM PLATFORM ON NORTH SIDE OF PIER 3, LOOKING EAST. (JB)

PA-635-183 VIEW OF DEWATERED GATE BAY 2 FROM DOWNSTREAM PORCH ON PIER 3, SHOWING BULKHEAD AND CONSTRUCTION BARGE, LOOKING NORTH. (JB)

P A-63 5-184 BRADDOCK DAM DEW A TERED GATE BAY 2, CRANE DELIVERING BAFFLE BLOCK REBAR "CAGES." VIEW FROM DOWNSTREAM BULKHEAD, LOOKING SOUTHEAST. (JB)

PA-635-185 BRADDOCK DAM DEWATERED GATE BAY 2, WORKERS INSTALLING BAFFLE BLOCK REBAR "CAGES," VIEW FROM DOWNSTREAM PORCH OF PIER 2, LOOKING SOUTHWEST. (JB)



PA-635-186 BRADDOCK DAM, BAFFLE BLOCKS UNDER CONSTRUCTION, IN DEWATERED GATE BAY 2, SHOWING REBAR CAGES AND CONCRETE FORMS. VIEW FROM PLATFORM ON NORTH SIDE OF PIER 3, LOOKING NORTHEAST. (JB)

PA-635-187 BRADDOCK DAM, COMPLETED BAFFLE BLOCKS IN DEWATERED GATE BAY 3, VIEW FROM PLATFORM ON PIER 4, LOOKING NORTHEAST. (JB)

October 24, 2003 Braddock Vicinity, Allegheny County, Pennsylvania (Key 34)

P A-635-188 BRADDOCK DAM ABUTMENT COFFERBOX FOR INSTALLING ROCK ANCHORS, LOOKING DOWNSTREAM (NORTHWEST) FROM ACCESS STEPS. (CW)

PA-635-189 BRADDOCK DAM, ABUTMENT COFFERBOX INTERIOR, SHOWING BRACING AND ROCK ANCHOR DRILL AT DOWNSTREAM END, LOOKING NORTHWEST. (CW)

December 16, 2003 Braddock Vicinity, Allegheny County, Pennsylvania (Keys 14, 35 & 36)

PA-635-190 LOCKS AND DAM 2 AND BRADDOCK DAM, OVERALL VIEW LOOKING EAST FROM HILLSIDE AT KENNYWOOD AMUSEMENT PARK IN DUQUESNE. (JB)

PA-635-191 BRADDOCK DAM AND DAM 2, GENERAL VIEW LOOKING SOUTH FROM THE RIVER WALL OF MONONGAHELA RIVER LOCKS 2. (JB)

PA-635-192 BRADDOCK DAM, STEEL SHEETPILE CLOSURE WEIR CELLS LOOKING NORTH FROM WOODEN PLATFORM ON SOUTH BANK OF THE MONONGAHELA RIVER. (JB)

PA-635-193 BRADDOCK DAM, ABUTMENT AND COFFERBOX LOOKING NORTHWEST FROM WOODEN PLATFORM ON SOUTH BANK OF THE MONONGAHELA RIVER. (JB)



PA-635-194 BRADDOCK DAM, SHEETPILE CELLS DETAIL FOR CLOSURE WEIR AND UPSTREAM EDGE OF COFFERBOX FOR ABUTMENT. VIEW LOOKING EAST FROM TOP OF ABUTMENT ON SOUTH BANK OF MONONGAHELA RIVER. (JB)

PA-635-195 BRADDOCK DAM, DRILL AND DETAIL OF ROCK ANCHORS INSIDE ABUTMENT COFFER BOX, LOOKING NORTHWEST. (JB)

PA-635-196 BRADDOCK DAM, DRILL AND DETAIL OF ROCK ANCHORS INSIDE ABUTMENT COFFER BOX, LOOKING SOUTHEAST. (JB)

PA-635-197 BRADDOCK DAM, PIER BUILDING ON TOP OF PIER 2, SOUTHWEST ELEVATION, LOOKING EAST FROM PIER 3. (JB)

PA-635-198 BRADDOCK DAM, NORTHEAST ELEVATION OF PIER BUILDING ON PIER 3, LOOKING WEST FROM FOOTBRIDGE. (JB)

PA-635-199 BRADDOCK DAM, INTERIOR OF PIER BUILDING ON TOP OF PIER 3. VIEW LOOKING SOUTH FROM NORTH ENTRANCE TO PIER BUILDING. (JB)

PA-635-200 BRADDOCK DAM, INTERIOR OF PIER BUILDING ON TOP OF PIER 3.

March 2, 2004

DETAIL OF HYDRAULIC DAM GATE OPERATION EQUIPMENT. VIEW LOOKING EAST. (JB)

Braddock Vicinity, Allegheny County, Pennsylvania (Key 37)

PA-635-201 CLOSURE WEIR CELLS AND EXCAVATION FROM ABlJTMENT LOOKING EAST. (CW)

PA-635-202 DETAIL OF CLOSURE WEIR CELLS, VIEW FROM ABUTMENT LOOKING NORTH AT UPSTREAM FACE. (CW)

PA-635-203 ABUTMENT WALL INSIDE COFFERBOX LOOKING WEST (DOWNSTREAM), SHOWING STAGES OF FORMWORK FOR CONCRETE FACING AND INFILL. (CW)

PA-635-204 ABUTMENT WALL INSIDE COFFERBOX LOOKING EAST (UPSTREAM), VIEW SHOWS BASE OF CONCRETE FACING, FORMWORK AND EXPOSED ROCK ANCHORS. (CW)



March 27,2004 Braddock Vicinity, Allegheny County, Pennsylvania (Keys 14 & 38)

PA-635-205 VIEW OF UNCOMPLETED BRADDOCK DAM CLOSURE WEIR WITH DAM 2 VISIBLE AND LOADING PROCESS IN BACKGROUND. VIEW LOOKING NORTHWEST FROM WOODEN STAIRCASE LEADING TO BRADDOCK DAM ABUTMENT. (CW)

PA-635-206 DEMOLITION OF DAM 2, LOADING EXPLOSIVES INTO PVCTUBES. VIEW LOOKING NORTHEAST FROM BRADDOCK DAM ABUTMENT IN EARL Y MORNING. (CW)

PA-635-207 DEMOLITION OF DAM 2, LOADING EXPLOSIVES INTO PVC TUBES. VIEW LOOKING NORTHEAST FROM KENNYWOOD AMUSEMENT PARK OVERLOOK IN EARLY AFTERNOON. (CW)

PA-635-208 DEMOLITION OF DAM 2, EXPLOSION FOR INITIAL BREACH. VIEW FROM KENNYWOOD AMUSEMENT PARK OVERLOOK, LOOKING NORTIIEAST AT 1602 HOURS. (CW)

PA-635-209 DEMOLITION OF DAM 2, INITIAL BREACH IMMEDIATELY AFTER BLAST DEBRIS AND SPRAY HAD SETTLED. VIEW LOOKING NORTHEAST FROM KENNYWOOD AMUSEMENT PARK OVERLOOK AT ABOUT 1603 HOURS. (CW)

April 19, 2004 Braddock Vicinity, Allegheny County, Pennsylvania (Keys 2, 39 & 14)

PA-635-210 CONTEXT BRADDOCK DAM AND LOCKS AND DAM 2 LOOKING EAST FROM HILL OVERLOOKING SOUTH BANK OF THE RIVER OFF STATE ROUTE 837. (JB)

PA-635-211 VIEW OF CLOSURE WEIR CELLS, LOOKING NOR1H FROM WOODEN PLATFORM ON SOUTH (LEFT) BANK OF MONONGAHELA RIVER. (JB)

PA-635-212 BRADDOCK DAM CLOSURE WEIR LOOKING WEST FROM TOP OF PIER 5 OF DAM. (JB)

PA-635-213 BRADDOCK DAM SOUTH ABUTMENT COFFERBOX AREA LOOKING NORTHWEST FROM METAL BRIDGE OVER COFFERBOX. (JB)



PA-635-214 BRADDOCK DAM CONCRETE BATCH PLANT AND FOOTBRIDGE LOOKING WEST FROM RAILROAD TRACKS. (JB)

PA-635-215 BRADDOCK DAM CONCRETE DELIVERY BARGE LOOKING EAST FROM WOODEN PLATFORM ON SOUTH (LEFT) BANK OF MONONGAHELA RIVER. (JB)

PA-635-216 BRADDOCK DAM WITH REMAINS OF DAM 2 IN FOREGROUND, LOOKING SOUTH FROM RIVER WALL OF LOCKS 2. (JB)

PA-635-217 DETAIL OF UPSTREAM FACE OF REMAINS OF DAM 2 LOOKING WEST FROM RIVER WALL OF LOCKS 2. (JB)

PA-635-218 REMAINS OF DAM 2, LOOKING SOUTHWEST ALONG DAM AXIS FROM RIVER WALL OF LOCKS 2. (JB)

PA-635-219 UPSTREAM FACE OF DAM 2, LOOKING NORTHWEST FROM BRADDOCK DAM FOOTBRIDGE, BETWEEN PIERS 4 AND 5. (JB)

PA-635-220 SOUTH ABUTMENT OF DAM 2 LOOKING NORTHWEST FROM ABUTMENT OF BRADDOCK DAM. (JB)

PA-635-221 LOADING DEMOLITION CHARGES, DAM 2, LOOKING AT UPSTREAM F ACE FROM GRAVEL ROAD ON SOUTH BANK OF RIVER, VIEW LOOKING NORTH. (JB)

PA-635-222 VIEW OF DAM 2, LOADING DEMOLITION CHARGES, LOOKING NORTHEAST FROM SOUTH ABUTMENT OF DAM ON TOP OF WEIR. (JB)

PA-635-223 BLASTING (FINAL) OF SOUTH SECTION OF DAM 2, LOOKING SOUTH FROM LAND WALL OF LOCKS 2. (JB)

August 3-4,2004 Braddock Vicinity, Allegheny County, Pennsylvania (Keys 14,40 & 41)

PA-635-224 BRADDOCK LOCKS AND DAM, LOOKING EAST FROM OVERI-,OOK AT CAROUSEL RESTAURANT ON STATE ROUTE 837. (JB)

PA-635-225 BRADDOCK DAM, CONTEXT VIEW OF UPSTREAM FACE, VIEWED FROM UPPER GUARD WALL EXTENSION, LOOKING WEST. (JB)



PA-635-226 BRADDOCK DAM, UPSTREAM FACE, LOOKING WEST FROM RIVER WALL OF LOCKS. (JB)

PA-635-227 BRADDOCK DAM LOOKING SOUTH FROM RIVER WALL OF LOCKS. (JB)

PA-635-228 BRADDOCK DAM, LOOKING SOUTH FROM EMERGENCY BULKHEAD STRUCTURE. (JB)

PA-635-229 BRADDOCK DAM LIGHTED, LOOKING SOUTH FROM EMERGENCY BULKHEAD STRUCTURE, AT APPROXIMATELY 8:30 PM. (JB)

PA-635-230 EMERGENCY BULKHEAD STRUCTURE AND DAM, LOOKING SOUTHEAST FROM ESPLANADE. (JB)

PA-635-231 BRADDOCK DAM, LOOKING SOUTHWEST ACROSS LAND CHAMBER UPPER GATES FROM ESPLANADE. (JB)

PA-635-232 BRADDOCK LOCKS, LOOKING NORlli FROM FOOTBRIDGE OF BRADDOCK DAM. (JB)

PA-635-233 VIEW OF PIER 4 LOOKING EAST FROM PIER 5, DOWNSTREAM LOWER LEVEL PORCH. (JB)

PA-635-234 PIER 1, LOOKING EAST FROM LOWER DOWNSTREAM PORCH OF PIER 2. (JB)

PA-635-235 WATER QUALITY GATE AND PIER 1 WITH TRUNNION BLOCK OF PIER 2 IN FOREGROUND, LOOKING EAST FROM LOWER DOWNSTREAM PORCH OF PIER 2. (JB)

PA-635-236 BRADDOCK DAM, LOOKING SOUTH FROM EMERGENCY BULKHEAD STRUCTURE, DETAIL OF WATER QUALITY BAY. (JB)

PA-635-237 WATER QUALITY GATE AND PIER 2, LOOKING SOUTHWEST FROM UPSTREAM LOWER LEVEL PORCH OF PIER 1. (JB)

PA-638-238 WATER QUALITY GATE, LOOKING SOUTHWEST FROM UPSTREAM LOWER LEVEL PORCH OF PIER 1. (JB)

PA-635-239 BRADDOCK DAM ELEVATOR TOWER, LOOKING WEST FROM SPOT NEAR UNION RAILROAD TRACKS AT EDGAR THOMPSON WORKS. (JB)



PA-635-240 ELEVATOR TOWER, PIERS AND FOOTBRIDGE, BRADDOCK DAM, LOOKING EAST FROM UPPER DOWNSTREAM PORCH OF PIER 1. (JB)

PA-635-241 VIEW OF FIXED CREST CLOSURE WEIR LOOKING SOUTH FROM LOWER DOWNSTREAM PORCH OF PIER 5. (JB)

PA-635-242 BRADDOCK DAM, FOOTBRIDGE, LOOKING NORTHEAST FROM UPSTREAM UPPER LEVEL PORCH OF PIER 5. (JB)

PA-635-243 PIER 1 AND FOOTBRIDGE, LOOKING NORTHEAST FROM UPSTREAM UPPER PORCH OF PIER 2. (JB)

PA-635-244 GATE CYLINDER DETAIL, WEST SIDE OF PIER 4, LOOKING NORTH FROM FOOTBRIDGE. (JB)

PA-635-245 PIER BUILDING ON PIER 2, ENTRANCE DETAIL, LOOKING NORTHEAST FROM UPSTREAM UPPER LEVEL PORCH. (JB)

PA-635-246 PIER BUILDING ON PIER 2, WEST FACADE AND FOOTBRIDGE DETAIL, LOOKING NORTHWEST FROM FOOTBRIDGE. (JB)

PA-635-247 CONTROL PANEL FOR BRADDOCK DAM, SECOND FLOOR OF LOCK OPERATIONS BUILDING ON MIDDLE WALL OF LOCKS WITH JAMES PAULICK AT CONTROLS. (JB)

BRADDOCK DAM HAERNo. PA-635

KEY TO PHOTOGRAPHS

Leetsdale Casting Basin N (Fabrication Site)

Mile 14.7

~"~7.5 river mjIes from fabr4cationsite to outfjttitig dock

EmswOlth LID Mile 6.2

3 Miles' • •

Duquesne Outfitting-Pier & Constnlction Office

~'1i1e 12.8

Braddock LID & Concrete Batch Plant (Construction Site)

Mile 11.2

~-=-----~----------------~-------------------------------------------------~=-----~

Key 1. Map of project area and Segment transport views from July 26, 2001 and February 27,2002

M~laRlver


KEY TO PHOTOGRAPHS

"--_B_A_5IN_----'I.-®

D

Key 2: Concrete batch plant for Braddock Dam, June 6, 2000, February 15, 2002, and April 19, 2004

NORTH

LOCKS&DAM2

III ~ ) II --


KEY TO PHOTOGRAPHS

>

MononClahela River

NORTH

Key 3: Construction site of Braddock Dam, Locks and Dam 2, June 6, 2000

I( OHIO RIVER

!

J

NORTH


KEY TO PHOTOGRAPHS

Key 4: Leetsdale casting basin for construction of Braddock Dam, June 22, 2000

TO THE OHIO RIVER

NORTH

r----C@;;:-----.

SEGJlN~E®


KEY TO PHOTOGRAPHS

Key 5: Leetsdale casting basin for construction of Braddock Dam, December 4, 2000

TO THE OHIO RIVER

NORTH

SEGMENT ONE

SEGMENT TWO


KEY TO PHOTOGRAPHS

Key 6: Leetsdale casting basin, Braddock Dam Segments 1 and 2, May 30, 2001

PIER 5


KEY TO PHOTOGRAPHS

FIXED WEIR GATE BAY NO.1 GATE BAY NO.2

I I

~= I

I -.~

@ ~ @

PIER 1 PIER 2 PIER 3

Braddock Dam, Segment 1

PIER4 PIER 3

I IJ

NORTH

GATE BAYNO. 4 GATE BAYNO. 3

Braddock Dam, Seglnent 2

Key 7: Leetsdale casting basin, dam segment details, May 30, 2001

TO THE OHIO RIVER

NORTH

SEGMENT ONE

SEGMENT TWO


KEY TO PHOTOGRAPHS

Key 8: Leetsdale casting basin for Braddock Dam, July 12,2001

c NORTH

Operations

Esplanade


KEY TO PHOTOGRAPHS

--------------- I

I:~==~=;:!==~::~~==~===-~~~--~-+--I--~----r----+-l. ---+

Views at Dashields Locks and Dam

Esplanade

\ ..... II(~-OHIO RIVER NORTH

Views at Emsworth Locks and Dam

Key 9: Transport of Dam Segment 1, views at Ohio River locks and dams, July 26, 2001

,:--OFFICE, CONFERENCE ;MAlNTENANCE BUILDING " & LOCKER ROOM i r-- ESPLANADE


KEY TO PHOTOGRAPHS

\~

NORTH , / I ,,·STONE ROAD TRANSMISSJON TOWER-,

-~,y._ •• ___ .~_._ "':+-:::::::j:..2~~~~~~-t ... ----. . -==£2;-- -'\r.-4---.----~ ........ \ _ ~.~.~l _--I-'-J.- ........ J.-~4-·-· .. ·.-.--~~.L.-.. _i-h =- - - ~ - ~~ . ~,- . .-- L-- .. ~=\- .. --: ~O~A~!'l~(!~ -=:= 5~~ -ri1;'-=-]."'~ "-'- _~:-- __ .- II> ) -~

'---'

MononC1anela Kiver

--- SLAG\VALL, -+,-... ,

PENNSYLVANIA

Key 10: Segment 1 traveling up Ohio and Monongahela Rivers, views at Monongahela River Locks and Dam 2, July 26, 2001

-

Monongahela River

"=:::s: fl.-OW


KEY TO PHOTOGRAPHS

NORTH

Key 11: Duquesne outfitting pier with Braddock Dam Segment 1, October 15,2001

~ (F TO THE OHIO RIVER ) ~

I

j

NORTH

59

T +

( ( ( ( ( ) ) LAUNCH BASIN

/ / / / /

SEGMENT TWO

I I

I I

[IT

I


KEY TO PHOTOGRAPHS

Key 12: Leetsdale casting basin for construction of Braddock Dam, October 31,2001

LOCKS&DAM2


KEY TO PHOTOGRAPHS

-===========~==~~==================~==~~========~60~~

MononClanela River

6~ -rr~t--F============·=================~)~-=-=-=--===

NORTH

Key 13: Final Placement, Segment 1 of Braddock Dam, views from banks of Monongahela River, December 5-6, 2001

BraddocK

Kenn4wood .Amusement Park


KEY TO PHOTOGRAPHS

~ NORTH

Key 14: Context views from Kennywood Amusement Park, and Route 837 overlook, December 5-6, 2001, December 16, 2003, March 27, 2004, April 19, 2004, and August 3,

2004

TO THE OHIO RlVER

~ ~------~--------

NORTH

D


KEY TO PHOTOGRAPHS

Key 15: Leetsdale casting basin for construction of segment 2 of Braddock Dam, December 6, 2001

-==:::::s: fL-OW

SLAG \VALL

m--f---+--. I 11 . .I..!.

PENNSYLVANIA CONCRETE

PLANT


KEY TO PHOTOGRAPHS

MononC1anela Kiver

Key 16: Construction site of Braddock Dam, views of concrete placement on Segment 1 deck and overall views of Segment 1, February 15,2002

~ I f

TO THE OHIO RIVER

I ---

@

J v

NORTH

WATER

SEGMENT TWO

I ) WATER

III II

D


KEY TO PHOTOGRAPHS

Key 17: Leetsdale casting basin, Segment 2 in launch basin, February 22, 2002

~ ( TO THE OHIO RIVER

I ~ -

! J

NORTH

p WATER

SEGMENT TWO

I WATER

@

) III I

D to


KEY TO PHOTOGRAPHS

Key 18: Leetsdale casting basin with bulkhead removed, views of Segment 2, February 26, 2002

~OHIORlVER

Sl\1ALL eRA!"! PULL CHAIN

OPERATIONS BUILDING -t+'r----_..F

ACCESS ROAD

=========:::::=:. L-.t--_I --1--+---t--

Views at Dashields Locks and Dam

FLOW

L"ALL CRAFT PULL CHA"

Views at EmswOlth Locks and Dams


KEY TO PHOTOGRAPHS

I I------!-

FLo\1y'

\ NORTH

\ \ NORTH

Key 19: Transport of Dam Segment 2, views at Ohio River locks and dams, February 27, 2002

~MAINTENANCE BUILDING ~--OFFICE, CONFERENCE /


KEY TO PHOTOGRAPHS

'_ & LOCKER ROOM / r- ESPLANADE !.1 f,·STONE ROAD TRANSMISSION TOWER-,

:r:~="=-:--~:+-::::--+' ~+--~.-,,+, -t-·" , ~:.:;.~~'_m. -:m\:'-:;~~--''' '~~--:+~ ____ ,_L}'RCh~~~~ril ·"1:;'-::!::~.J1-:T"~- '" ~--- on ~--~ L~,--\ ---:- __ '-" _~

II) ) --SERVICE BRIDGE FOR '"---" '------------4~=..,j(J.----,. EMERGENCY DAM

III ) )

==:::i fl,OW

PENNSYLVANIA

I

CONCRETE PLANT

MononC1anela River

Key 20: Construction site of Braddock Dam, high water event views of Segment 1, March 21,2002

-

Monongahela River

I I I I I I I I


KEY TO PHOTOGRAPHS

NORTH

Key 21: Duquesne outfitting pier with Segment 2 for construction of Braddock Dam, April 1,2002

Monongahela River

-=::::s fL.OW


KEY TO PHOTOGRAPHS

NORTH

Key 22: Final placement, Segment 2 of Braddock Dam, views at the Duquesne outfitting pier, June 17,2002

LOCKS&DAM2

MononC1anela River

cc;: ~~=-=:=====:====:====:c-==~ 19-~ rr== ... _=_= ...... ::::::!.. ~ .... =. /

NORTH


KEY TO PHOTOGRAPHS

..... ~~~ · . ~ ::;;:

:0 .~

• : Vl

~y · . · . · . · . · . · . · . · . i:::==:>: · . · . ............... · .

MononC1anela River

Key 23: Final placement, Segment 2 of Braddock Dam, views from Monongahela River Locks and Dam 2, June 17,2002

LOCKS&DAM2

MononC1ahela River

~ FLOW


KEY TO PHOTOGRAPHS

:c:::::>: f-. Z I.ll ~ CJ I.ll

• • U')

~~ · . · . · . · . · . · . · . C:::::::> : · . .......................

· . , ................. 1

MononC1ahela River

Key 24: Final placement, Segment 2 of Braddock Dam, views from Monongahela River Locks and Dam 2, June 18,2002

CONCRETE FOUNDATIONS

NORTH

LAUNCH AREA

[[[[[[ [[[[[[


KEY TO PHOTOGRAPHS

Key 25: Leetsdale casting basin, closure and initial restoration, June 18, 2002

LOCKS&DAM2

) !)


KEY TO PHOTOGRAPHS

r-----------~~~~------------~Tr--_e~------~>

~~~~~III~~~==~~~~)~IL~~--,----J--~<X~XX~XX~gx~X~U, l...._ ",

, ' , , I I t

; ~;PIERI , , ' , , ' , , J :@S,: , , I

: 136 : PIER 2 : : :

MononC1ahela River

, , ' , , I

~ : 139 , I

BARGE 132 BARGE-+- 40 134

~'

!c:=:=:>: PIER 3 , : FLOW

j , , ' : : : , I '

: :c==::::>: PIER4 : : :

I '

3MRGES-Ei~j PIER5

---i x

NORTH~ Key 26: Installation of Braddock Dam tailrace panels, November 13,2002

LOCKS &DAM2

J-f=::=:l-----

MononC1ahela River

CRANE

FLOW 3BARGES~

CRANE

NORTH

I


KEY TO PHOTOGRAPHS

~lPIERl I

I

~lPIER2 , ,

I I

: : (~.'RANE : : Ira: 1.....--3 BARGES

~j PIER 31L....~-=--=--=-~. =1

1

1 I

~:PIER4 , : , ,

~:PIER5 I ________ J

Key 27: Installation of Braddock Dam tailrace panels, November 14,2002

---------'-----------


KEY TO PHOTOGRAPHS

~l1or,o nq(}~r>leto. River"' '\.....

bo.~-··ge

(---"'1 (-""'1 • J' .... ___ )

Key 28: Tainter gate awaiting installation, Duquesne outfitting pier, June 20, 2003

LOCKS & DAM 2

MononC1ahela River

FLOW


KEY TO PHOTOGRAPHS

: PIER 2

: PIER 4 , , , ,

: PIER5 """"::1_---_ .-_-__ -_ j

Key 29: Construction progress photos of Braddock Dam construction site and Monongahela River Locks and Dam 2, June 20, 2003

DETAIL OF PIER 2


KEY TO PHOTOGRAPHS

MONONGAHELA RiVER

FLOW ..........-

Key 30: Installation of Bay 2 tainter gate, Braddock Dam, June 27-28, 2003


KEY TO PHOTOGRAPHS

I I I ~ I I ~ I I I I EQUIP.MENT YARD I I I L ______________________ J

Key 31: Construction progress photos of Braddock Dam, Duquesne Construction Office, August 28, 2003

LOCKS & DAM 2


KEY TO PHOTOGRAPHS

'-----'--------------------._--------

/,.jlononaahela River I

NORTH

Key 32: Construction progress photos of Braddock Dam, views from south bank, August 28,2003

NORTH

PIER 1

PIER 2

PIER 3

PIER 4

PIER 5


KEY TO PHOTOGRAPHS

Key 33: Construction progress photos of Braddock Dam, August 28, 2003

LOCKS & DAM 2 ---_ .. _------_ .. -------_ .. --.. ,---_._-,---.-. - ... - ............ __ .. " .. _---_ .. _--_ .... -------_._---------

) \1 II


KEY TO PHOTOGRAPHS

II) ~ ) 11 I I [ t=============~~=~=:==::=~~~=:-:;~;;~~==~~===;===; 1 ___ -LCOUXX!XXX~

NORTH

--7 fl~OvV: j

I

: PIER I

: PLER2 , , ,

~ ; PiER 3

PfER4

Key 34: Construction progress photos of Braddock Dam Cofferbox, October 24, 2003

--

locks & vam 2


KEY TO PHOTOGRAPHS

•.. _----_._--_ ... _. __ .... _._ .. _---- ._---------------------. I----·--r..---'i==t-----------------r:::::::=rr----===========--·-····-····--·--·--·--·----I

,1\ A . h I lQ. tv\ononaa e a f'Jver I

NORTH

i I

---7 fL-OW i !

\ )

Key 35: Construction progress photos of Braddock Dam, views from south bank, interior of Cofferbox, and Locks 2, December 16,2003

p-...... ,........",.. ....... IERl

r--_ ........ ....,.,.--tPIER 2

i\Aononaahela River !


KEY TO PHOTOGRAPHS

/\AononC1ahela River

rOSHEEI

Key 36: Construction progress photos of Braddock Dam, pier building details, December 16,2003

lOCKS & Dam 2

rV\ononaanela River i

--7 fl.-OW

NORTH


KEY TO PHOTOGRAPHS

-------------------------------------

~I

ABU'lMENT

Key 37: Construction progress photos of Closure Weir Cells and Abutment Cofferbox at Braddock Dam, March 2, 2004

lOCKS & t7 am 2

,)\ AI . h I t/. v1,ononGja e a f'..Iver

--7

NORTH


KEY TO PHOTOGRAPHS

----------------------------

PIER I

PIER 2

PIER 3

P[ER4

~=---__ PIER 5

SHEET PILE

CELLS

........------~~~ WOOD PLATFORM "--.-------

Key 38: Construction progress of Dam 2 demolition, March 27, 2004

lOCKs & Dam 2


KEY TO PHOTOGRAPHS

1-------------,---------.. ,---------l------,--,--+;=:.:q---------------------l;:==:r-.----------============- -----------------------------

\

~\A 1_ I O· Iv\ononaane a ~Iver I

___ -7 fL.OVV

Key 39: Construction progress photos of Braddock Dam, views from south bank, Locks 2, and New Dam, April 19, 2004

BraddocK lOCKS & Dam

_._ ..•. -..• _._-_ ... _ ....... -.-.. __ ._ ...•... _-_ ... _----------_ ... -_ .. _--._.-.. --------_. __ ._-----_ .. _-


KEY TO PHOTOGRAPHS

--------t-------.....,r.-i)c"'-= t ............. --..... - •. --------F=t-r-) ----!-.

.. _ .. _ . ... -...... -- .. - .......... ······--·····Trr r t:~~rJ~l_ --bJ-D _---.JI

---- ~~=!228-22~236}~ l~&.~RXI!!!XXXXXX~O

: It

Mononaahela River ~ ~IER2

i-'-'

NORTH

I • , .

, , , ' , , I : I ,

~~:prER4

: ~jJl

~4DJ~PIER' ~~-y~ ~t )SHEE'r ~ PILE

) CELLS 1'-1

Key 40: Braddock Dam completion photographs, August 3-4, 2004

- -_ .. -

BraddocK LOCKS & Dam

I'j\ononqahela River

NORTH


KEY TO PHOTOGRAPHS

c:s;::::::::~2~l6)PJER 2

Key 41: Braddock Dam completion photographs, August 3-4, 2004

HISTORIC AMERICAN ENGINEERING RECORD INDEX TO PHOTOGRAPHS€¦ · index to photographs page 6...

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