Corps Of Engineers Floodway Report Appendix D
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APPENDIX D PHOTOGRAPHS
APPENDIX D Photograph Index Photo Description Example: EL series photos (e. g., “EL1a” is East Levee Embankment, Rated Item 1, Unacceptable or minimally acceptable item a)
East Levee East Levee Embankment Photo EL 1 & 3a: Electrical towers were on the landside levee lower slopes between DART & I-35E. Vegetation was growing on and within 50’ of the landside toe. Photo EL 3b: Approximately 18 bridges crossing over the levee, many with piers in the levee crest or slopes (HWY 183 – TYP.). Photo EL 3c: Sta. 147+40 had construction stockpile on crest of levee and an unauthorized encroachment for construction of a jail annex that included a basement adjacent to the landside levee toe. Photo EL 3d: Hampton Bridge Sta. 292+91 had 5-foot void under the landside bridge slope paving. Photo EL 3e: Highway 183 Bridge Sta. 546+30 had a void under the pier support beam on the riverside levee crest. Photo EL 3f & EL 6: DART Bridge Sta. 13+50 to 22+00 had bridge piers in the levee crest. DART Bridge Sta. 13+50 to 22+00 had erosion around bridge piers on the landside crest of the levee resulting from rain runoff from the bridge. Filter fabric and 12" stone protection had been placed on the north end of each pier, but erosion continued causing gullies on the landside levee slopes. Photo EL 4 & ELF 3: Stop log gate structure had been compromised by unauthorized removal of the sill.
East Levee Interior Drainage System Photo EID 2: 6 trees were growing in the upper section of a gabion retaining wall on the left side of the channel to the Turtle Creek Pressure Sewer intake. Photo EID 6a: Turtle Creek Pressure Sewer Sta. 194+13 had left discharge channel failing wing wall displaced 3 inches with piping behind it (5'W x 4'L x 3'D). Photo EID 6b: Turtle Creek Pressure Sewer Sta. 194+13 had left discharge channel failing wing wall displaced 3 inches with erosion behind it (5'W x 4'L x 3'D), and a second 1 inch displaced wall joint with 1 inch separation on the same wing wall. Photo EID 7a: Drainage chute at right side of trash rack for small (old) Able Pump Station failing. Photo EID 7b: Baker Pump Station had erosion (4'W x 35'L) on the slope above the discharge chute, erosion (15'W x 35'L) on the left slope, and erosion (50'W x 80'L) on the right side of the discharge channel. Photo EID 8 & ELF 7: Some seals were out at joints in the floodwall near the DART railroad bridge. Photo EID 13a & DBP 21: Dallas Branch Pressure Conduit - gate tower, the bottom of two posts for the handrail at the left side of the operating deck had completely rusted out. Photo EID 13b: Corrosion on flap gate at Hampton Road Pump Station. Photo EID 14: Riprap displaced from slopes of discharge chute to the bottom of the channel at New Hampton exposing bedding.
Flood Damage Reduction Channel Photo EFD 1: The abandoned old Santa Fe Railroad Bridge obstructs flow and catches debris. Photo EFD 2: Shoaling with established vegetation on the right bank is causing the diversion of the channel into the levee at Belleview Pressure Conduit.
1
Photo EFD 4: The discharge channel slopes of Belleview Pressure Conduit had been severely eroded. Photo EFD 10: Hampton Pump Station - Riprap displaced from slopes of discharge chute to the bottom of the channel at New Hampton exposing bedding, and slides on the right and left slopes downstream of this displaced riprap.
Able Pump Station Photo APS 17: There was a hole (12"W x 24"L) next to the concrete slab where water bubbles up through ground above the box conduits from the old pump house during times of high water.
Turtle Creek Pressure Conduit Photo TCP 5: Erosion (6"W x 6'L x 6"D) was found on the right side of the control structure at the Turtle Creek Pressure Conduit.
West Levee West Levee Embankment Photo WL 1: Eagle Ford Sluice Sta. 479+72 had trees growing on the landside slope. Photo WL3a: Approximately 14 bridges crossing over the levee, many with piers on the levee crest or slopes. Photo WL 3b: Sta. 18+90 had power line tower on landside levee toe. Photo WL 3c: Sta.466+50 had 8" petroleum line crossing over levee. Photo WL 3d: Sta. 18+90 had power line poles on landside levee toe. Photo WL 6: Walton Walker Bridge 475+65 had erosion gully next to pier.
West Levee Interior Drainage Photo WID 1a: Eagle Ford Sluice Sta. 479+72 had sediments filling in 60% of the inlet inflow. Photo WID 1b: Eagle Ford Sluice Sta. 479+72 had trees growing within levee toe drainage ditch. Photo WID 1c: Debris obstructing 50% inlet at Ledbetter Sluice. Photo WID 6: Right wing wall at Coombs Creek Pressure Diversion had a 3-inch separated joint with exposed rebar. Photo WID 8: Steel brace installed to prevent movement of wing walls at Little Coombs Creek Pressure Conduit had become disconnected from the right wing wall and had failed. Photo WID 13a: Delta Pump Station - Corrosion on trash racks. Photo WID 13b: Non-Mechanical trash racks at inlet was bent and had rust at Coombs Creek Pressure Diversion.
Charlie Pump Station Photo CPS 5a: The intake structure, pumping equipment and buildings appeared to be in good condition. There was an erosion void under the stairs next to the pump house on the west side of the building. It was unclear how far back the void goes.
Delta Pump Station Photo DPS 5: Erosion had washed out the soil from under a concrete structure behind the pump house.
Pavaho Pump Station Photo PPS 5: The intakes, pumps and buildings appeared to be in good condition. A large slope failure (20’L x 20’W) under the drive had left the concrete slab cantilevered at the edge of the drive.
2
Rochester Levee Rochester Levee Embankment Photo RL 3: Sta. 121+55 to 130+00 – Leaning power poles and anchorages on the levee crest. Photo RL 5: Sta.114+00 to 120+00 – Guardrail was leaning outward from the levee crest along the top of the MSE wall. It appeared that the MSE wall feature is in active failure. Photo RL 13: Sta. 188+60 – The MSE retaining wall had separated panels of up to 2 inches wide.
Rochester Levee Interior Drainage Photo RID 15: Sta. 89+00 had intake gravity flow structure that had depressions on the gabion slopes on both sides of the intake caused by erosion of soil material under the gabions next to the wing walls. The right side had a 2-foot deep gully next to the wing wall (exposed/washing out bedding) and the left side had a 18’L x 10’W area depression on the gabion slope next to the wing wall.
Rochester Floodwall Photo RFW 3a: The ladder was bent on one of the swinging gates for the closure at the roadway and the turnbuckle was jammed between steel attachments such that it cannot easily be manipulated to create a tight closure for the gate. Photo RFW 3b: The bottom seals on the stop logs for closing the railroad tracks are deformed near the ends due to the stop logs being stored with a section of the bottom seals resting on concrete stands.
CWWTP Levee CWWTP Levee Embankment Photo CWWTP 3a: Odor control fan poles in the exterior levee slope (north and west side of levee). Photo CWWTP 3b: Tower in the landside slope and crest of the north levee. Photo CWWTP 3c: Other lines under levee - 84” emergency outfall (120” dia. & 48” dia.), 66” dia. plant outfall (emergency use), 10’x10’ main double box culvert outlet, 84” dia. waste water gravity main line, 60”dia. waste water gravity line, abandoned outfall, and numerous other utilities under levee to be identified. Photo CWWTP 3d: Excavated pit behind the levee. Photo CWWTP 3e: Water tank at toe of levee.
3
CORPS OF ENGINEERS
U.S. ARMY
Photo EL 3b: Approximately 18 bridges crossing over the levee, many with piers in the levee crest or slopes (HWY 183 – TYP.).
Photo EL 3c: Sta. 147+40 had construction stockpile on crest of levee and an unauthorized encroachment for construction of a jail annex that included a basement adjacent to the landside levee toe.
Dallas Floodway Periodic Inspection No. 9
Plate D-1
CORPS OF ENGINEERS
U.S. ARMY
Photo EL 3d: Hampton Bridge Sta. 292+91 had 5-foot void under the landside bridge slope paving.
Photo EL 3e: Highway 183 Bridge Sta. 546+30 had a void under the pier support beam on the riverside levee crest.
Dallas Floodway Periodic Inspection No. 9
Plate D-2
CORPS OF ENGINEERS
U.S. ARMY
Photo EL 3f & EL 6: DART Bridge Sta. 13+50 to 22+00 had bridge piers in the levee crest. DART Bridge Sta. 13+50 to 22+00 had erosion around bridge piers on the landside crest of the levee resulting from rain runoff from the bridge. Filter fabric and 12" stone protection had been placed on the north end of each pier, but erosion continued causing gullies on the landside levee slopes.
Photo EID 8 & ELF 7: Some seals were out at joints in the floodwall near the DART railroad bridge.
Dallas Floodway Periodic Inspection No. 9
Plate D-3
CORPS OF ENGINEERS
U.S. ARMY
Photo EL 4 & ELF 3: Stop log gate structure had been compromised by unauthorized removal of the sill.
Photo EL 1 & 3a: Electrical towers were on the landside levee lower slopes between DART & I-35E. Vegetation was growing on and within 50’ of the landside toe.
Dallas Floodway Periodic Inspection No. 9
Plate D-4
CORPS OF ENGINEERS
U.S. ARMY
Photo EFD 2: Shoaling with established vegetation on the right bank is causing the diversion of the channel into the levee at Belleview Pressure Conduit.
Photo EFD 4: The discharge channel slopes of Belleview Pressure Conduit had been severely eroded.
Dallas Floodway Periodic Inspection No. 9
Plate D-5
CORPS OF ENGINEERS
U.S. ARMY
Photo APS 17: There was a hole (12"W x 24"L) next to the concrete slab where water bubbles up through ground above the box conduits from the old pump house during times of high water.
Photo EID 7a: Drainage chute at right side of trash rack for small (old) Able Pump Station failing.
Dallas Floodway Periodic Inspection No. 9
Plate D-6
CORPS OF ENGINEERS
U.S. ARMY
Photo EID 7b: Baker Pump Station had erosion (4'W x 35'L) on the slope above the discharge chute, erosion (15'W x 35'L) on the left slope and erosion (50'W x 80'L) on the right side of the discharge channel.
EID 13a & DBP 21: Dallas Branch Pressure Conduit - gate tower, the bottom of two posts for the handrail at the left side of the operating deck had completely rusted out.
Dallas Floodway Periodic Inspection No. 9
Plate D-7
CORPS OF ENGINEERS
U.S. ARMY
Photo EID 2: 6 trees were growing in the upper section of a gabion retaining wall on the left side of the channel to the Turtle Creek Pressure Sewer intake.
Photo EID 6a: Turtle Creek Pressure Sewer Sta. 194+13 had left discharge channel failing wing wall displaced 3 inches with piping behind it (5'W x 4'L x 3'D).
Dallas Floodway Periodic Inspection No. 9
Plate D-8
CORPS OF ENGINEERS
U.S. ARMY
Photo TCP 5: Erosion (6"W x 6'L x 6"D) was found on the right side of the control structure at the Turtle Creek Pressure Conduit.
Photo EID 6b: Turtle Creek Pressure Sewer Sta. 194+13 has left discharge channel failing wing wall displaced 3 inches with erosion behind it (5'W x 4'L x 3'D), and a second 1 inch displaced wall joint with 1 inch separation on the same wing wall.
Dallas Floodway Periodic Inspection No. 9
Plate D-9
CORPS OF ENGINEERS
U.S. ARMY
Photo EFD 10: Hampton Pump Station - Riprap displaced from slopes of discharge chute to the bottom of the channel at New Hampton exposing bedding, and slides on the right and left slopes downstream of this displaced riprap.
Photo EID 14: Riprap displaced from slopes of discharge chute to the bottom of the channel at New Hampton exposing bedding.
Dallas Floodway Periodic Inspection No. 9
Plate D-10
CORPS OF ENGINEERS
U.S. ARMY
Photo EID 13b: Corrosion on flap gate at Hampton Road Pump Station.
Photo WL 1: Eagle Ford Sluice Sta. 479+72 had trees growing on the landside slope.
Dallas Floodway Periodic Inspection No. 9
Plate D-11
CORPS OF ENGINEERS
U.S. ARMY
Photo WL3a: Approximately 14 bridges crossing over the levee, many with piers on the levee crest or slopes.
Photo WL 3b: Sta. 18+90 had power line tower on landside levee toe.
Dallas Floodway Periodic Inspection No. 9
Plate D-12
CORPS OF ENGINEERS
U.S. ARMY
Photo WL 3d: Sta. 18+90 had power line poles on landside levee toe.
Photo WL 3c: Sta.466+50 had 8" petroleum line crossing over levee.
Dallas Floodway Periodic Inspection No. 9
Plate D-13
CORPS OF ENGINEERS
U.S. ARMY
Photo WID 1b: Eagle Ford Sluice Sta. 479+72 had trees growing within levee toe drainage ditch.
Photo WL 6: Walton Walker Bridge 475+65 had erosion gully next to pier.
Dallas Floodway Periodic Inspection No. 9
Plate D-14
CORPS OF ENGINEERS
U.S. ARMY
Photo CPS 5a: The intake structure, pumping equipment and buildings appeared to be in good condition. There was an erosion void under the stairs next to the pump house on the west side of the building. It was unclear how far back the void goes.
Photo DPS 5: Erosion had washed out the soil from under a concrete structure behind the pump house.
Dallas Floodway Periodic Inspection No. 9
Plate D-15
CORPS OF ENGINEERS
U.S. ARMY
Photo WID 13a: Delta Pump Station - Corrosion on trash racks.
Photo WID 6: Right wing wall at Coombs Creek Pressure Diversion had a 3-inch separated joint with exposed rebar.
Dallas Floodway Periodic Inspection No. 9
Plate D-16
CORPS OF ENGINEERS
U.S. ARMY
Photo WID 13b: Non-Mechanical trash racks at inlet were bent and had rust at Coombs Creek Pressure Diversion.
Photo WID 8: Steel brace installed to prevent movement of wing walls at Little Coombs Creek Pressure Conduit had become disconnected from the right wing wall and had failed.
Dallas Floodway Periodic Inspection No. 9
Plate D-17
CORPS OF ENGINEERS
U.S. ARMY
Photo PPS 5: The intakes, pumps and buildings appeared to be in good condition. A large slope failure (20’L x 20’W) under the drive had left the concrete slab cantilevered at the edge of the drive.
Photo WID 1a: Eagle Ford Sluice Sta. 479+72 had sediments filling in 60% of the inlet inflow.
Dallas Floodway Periodic Inspection No. 9
Plate D-18
CORPS OF ENGINEERS
U.S. ARMY
Photo WID 1c: Debris obstructing 50% inlet at Ledbetter Sluice.
Photo EFD 1: The abandoned old Santa Fe Railroad Bridge obstructs flow and catches debris.
Dallas Floodway Periodic Inspection No. 9
Plate D-19
CORPS OF ENGINEERS
U.S. ARMY
Photo RL 13: Sta. 188+60 – The MSE retaining wall had separated panels of up to 2 inches wide.
Photo RL 5: Sta.114+00 to 120+00 – Guardrail was leaning outward from the levee crest along the top of the MSE wall. It appeared that the MSE wall feature is in active failure.
Dallas Floodway Periodic Inspection No. 9
Plate D-20
CORPS OF ENGINEERS
U.S. ARMY
Photo RL 3: Sta. 121+55 to 130+00 – Leaning power poles and anchorages on the levee crest.
Photo RFW 3a: The ladder was bent on one of the swinging gates for the closure at the roadway and the turnbuckle was jammed between steel attachments such that it cannot easily be manipulated to create a tight closure for the gate.
Dallas Floodway Periodic Inspection No. 9
Plate D-21
CORPS OF ENGINEERS
U.S. ARMY
Photo RID 15: Sta. 89+00 had intake gravity flow structure that had depressions on the gabion slopes on both sides of the intake caused by erosion of soil material under the gabions next to the wing walls. The right side had a 2-foot deep gully next to the wing wall (exposed/washing out of bedding) and the left side had a 18’L x 10’W area depression on the gabion slope next to the wing wall.
Photo RFW 3b: The bottom seals on the stop logs for closing the railroad tracks are deformed near the ends due to the stop logs being stored with a section of the bottom seals resting on concrete stands.
Dallas Floodway Periodic Inspection No. 9
Plate D-22
CORPS OF ENGINEERS
U.S. ARMY
Photo CWWTP 3a: Odor control fan poles in the exterior levee slope (north and west side of levee).
Photo CWWTP 3d: Excavated pit behind the levee.
Dallas Floodway Periodic Inspection No. 9
Plate D-23
CORPS OF ENGINEERS
U.S. ARMY
Photo CWWTP 3b: Tower in the landside slope and crest of the north levee.
Photo CWWTP 3e: Water tank at toe of levee.
Dallas Floodway Periodic Inspection No. 9
Plate D-24
CORPS OF ENGINEERS
U.S. ARMY
Photo CWWTP 3c: Other lines under levee - 84” emergency outfall (120” dia. & 48” dia.), 66” dia. plant outfall (emergency use), 10’x10’ main double box culvert outlet, 84” dia. waste water gravity main line, 60”dia. waste water gravity line, abandoned outfall, and numerous other utilities under levee to be identified.
Dallas Floodway Periodic Inspection No. 9
Plate D-25
APPENDIX D Photograph Index Photo Description Example: EL series photos (e. g., “EL1a” is East Levee Embankment, Rated Item 1, Unacceptable or minimally acceptable item a)
East Levee East Levee Embankment Photo EL 1 & 3a: Electrical towers were on the landside levee lower slopes between DART & I-35E. Vegetation was growing on and within 50’ of the landside toe. Photo EL 3b: Approximately 18 bridges crossing over the levee, many with piers in the levee crest or slopes (HWY 183 – TYP.). Photo EL 3c: Sta. 147+40 had construction stockpile on crest of levee and an unauthorized encroachment for construction of a jail annex that included a basement adjacent to the landside levee toe. Photo EL 3d: Hampton Bridge Sta. 292+91 had 5-foot void under the landside bridge slope paving. Photo EL 3e: Highway 183 Bridge Sta. 546+30 had a void under the pier support beam on the riverside levee crest. Photo EL 3f & EL 6: DART Bridge Sta. 13+50 to 22+00 had bridge piers in the levee crest. DART Bridge Sta. 13+50 to 22+00 had erosion around bridge piers on the landside crest of the levee resulting from rain runoff from the bridge. Filter fabric and 12" stone protection had been placed on the north end of each pier, but erosion continued causing gullies on the landside levee slopes. Photo EL 4 & ELF 3: Stop log gate structure had been compromised by unauthorized removal of the sill.
East Levee Interior Drainage System Photo EID 2: 6 trees were growing in the upper section of a gabion retaining wall on the left side of the channel to the Turtle Creek Pressure Sewer intake. Photo EID 6a: Turtle Creek Pressure Sewer Sta. 194+13 had left discharge channel failing wing wall displaced 3 inches with piping behind it (5'W x 4'L x 3'D). Photo EID 6b: Turtle Creek Pressure Sewer Sta. 194+13 had left discharge channel failing wing wall displaced 3 inches with erosion behind it (5'W x 4'L x 3'D), and a second 1 inch displaced wall joint with 1 inch separation on the same wing wall. Photo EID 7a: Drainage chute at right side of trash rack for small (old) Able Pump Station failing. Photo EID 7b: Baker Pump Station had erosion (4'W x 35'L) on the slope above the discharge chute, erosion (15'W x 35'L) on the left slope, and erosion (50'W x 80'L) on the right side of the discharge channel. Photo EID 8 & ELF 7: Some seals were out at joints in the floodwall near the DART railroad bridge. Photo EID 13a & DBP 21: Dallas Branch Pressure Conduit - gate tower, the bottom of two posts for the handrail at the left side of the operating deck had completely rusted out. Photo EID 13b: Corrosion on flap gate at Hampton Road Pump Station. Photo EID 14: Riprap displaced from slopes of discharge chute to the bottom of the channel at New Hampton exposing bedding.
Flood Damage Reduction Channel Photo EFD 1: The abandoned old Santa Fe Railroad Bridge obstructs flow and catches debris. Photo EFD 2: Shoaling with established vegetation on the right bank is causing the diversion of the channel into the levee at Belleview Pressure Conduit.
1
Photo EFD 4: The discharge channel slopes of Belleview Pressure Conduit had been severely eroded. Photo EFD 10: Hampton Pump Station - Riprap displaced from slopes of discharge chute to the bottom of the channel at New Hampton exposing bedding, and slides on the right and left slopes downstream of this displaced riprap.
Able Pump Station Photo APS 17: There was a hole (12"W x 24"L) next to the concrete slab where water bubbles up through ground above the box conduits from the old pump house during times of high water.
Turtle Creek Pressure Conduit Photo TCP 5: Erosion (6"W x 6'L x 6"D) was found on the right side of the control structure at the Turtle Creek Pressure Conduit.
West Levee West Levee Embankment Photo WL 1: Eagle Ford Sluice Sta. 479+72 had trees growing on the landside slope. Photo WL3a: Approximately 14 bridges crossing over the levee, many with piers on the levee crest or slopes. Photo WL 3b: Sta. 18+90 had power line tower on landside levee toe. Photo WL 3c: Sta.466+50 had 8" petroleum line crossing over levee. Photo WL 3d: Sta. 18+90 had power line poles on landside levee toe. Photo WL 6: Walton Walker Bridge 475+65 had erosion gully next to pier.
West Levee Interior Drainage Photo WID 1a: Eagle Ford Sluice Sta. 479+72 had sediments filling in 60% of the inlet inflow. Photo WID 1b: Eagle Ford Sluice Sta. 479+72 had trees growing within levee toe drainage ditch. Photo WID 1c: Debris obstructing 50% inlet at Ledbetter Sluice. Photo WID 6: Right wing wall at Coombs Creek Pressure Diversion had a 3-inch separated joint with exposed rebar. Photo WID 8: Steel brace installed to prevent movement of wing walls at Little Coombs Creek Pressure Conduit had become disconnected from the right wing wall and had failed. Photo WID 13a: Delta Pump Station - Corrosion on trash racks. Photo WID 13b: Non-Mechanical trash racks at inlet was bent and had rust at Coombs Creek Pressure Diversion.
Charlie Pump Station Photo CPS 5a: The intake structure, pumping equipment and buildings appeared to be in good condition. There was an erosion void under the stairs next to the pump house on the west side of the building. It was unclear how far back the void goes.
Delta Pump Station Photo DPS 5: Erosion had washed out the soil from under a concrete structure behind the pump house.
Pavaho Pump Station Photo PPS 5: The intakes, pumps and buildings appeared to be in good condition. A large slope failure (20’L x 20’W) under the drive had left the concrete slab cantilevered at the edge of the drive.
2
Rochester Levee Rochester Levee Embankment Photo RL 3: Sta. 121+55 to 130+00 – Leaning power poles and anchorages on the levee crest. Photo RL 5: Sta.114+00 to 120+00 – Guardrail was leaning outward from the levee crest along the top of the MSE wall. It appeared that the MSE wall feature is in active failure. Photo RL 13: Sta. 188+60 – The MSE retaining wall had separated panels of up to 2 inches wide.
Rochester Levee Interior Drainage Photo RID 15: Sta. 89+00 had intake gravity flow structure that had depressions on the gabion slopes on both sides of the intake caused by erosion of soil material under the gabions next to the wing walls. The right side had a 2-foot deep gully next to the wing wall (exposed/washing out bedding) and the left side had a 18’L x 10’W area depression on the gabion slope next to the wing wall.
Rochester Floodwall Photo RFW 3a: The ladder was bent on one of the swinging gates for the closure at the roadway and the turnbuckle was jammed between steel attachments such that it cannot easily be manipulated to create a tight closure for the gate. Photo RFW 3b: The bottom seals on the stop logs for closing the railroad tracks are deformed near the ends due to the stop logs being stored with a section of the bottom seals resting on concrete stands.
CWWTP Levee CWWTP Levee Embankment Photo CWWTP 3a: Odor control fan poles in the exterior levee slope (north and west side of levee). Photo CWWTP 3b: Tower in the landside slope and crest of the north levee. Photo CWWTP 3c: Other lines under levee - 84” emergency outfall (120” dia. & 48” dia.), 66” dia. plant outfall (emergency use), 10’x10’ main double box culvert outlet, 84” dia. waste water gravity main line, 60”dia. waste water gravity line, abandoned outfall, and numerous other utilities under levee to be identified. Photo CWWTP 3d: Excavated pit behind the levee. Photo CWWTP 3e: Water tank at toe of levee.
3
CORPS OF ENGINEERS
U.S. ARMY
Photo EL 3b: Approximately 18 bridges crossing over the levee, many with piers in the levee crest or slopes (HWY 183 – TYP.).
Photo EL 3c: Sta. 147+40 had construction stockpile on crest of levee and an unauthorized encroachment for construction of a jail annex that included a basement adjacent to the landside levee toe.
Dallas Floodway Periodic Inspection No. 9
Plate D-1
CORPS OF ENGINEERS
U.S. ARMY
Photo EL 3d: Hampton Bridge Sta. 292+91 had 5-foot void under the landside bridge slope paving.
Photo EL 3e: Highway 183 Bridge Sta. 546+30 had a void under the pier support beam on the riverside levee crest.
Dallas Floodway Periodic Inspection No. 9
Plate D-2
CORPS OF ENGINEERS
U.S. ARMY
Photo EL 3f & EL 6: DART Bridge Sta. 13+50 to 22+00 had bridge piers in the levee crest. DART Bridge Sta. 13+50 to 22+00 had erosion around bridge piers on the landside crest of the levee resulting from rain runoff from the bridge. Filter fabric and 12" stone protection had been placed on the north end of each pier, but erosion continued causing gullies on the landside levee slopes.
Photo EID 8 & ELF 7: Some seals were out at joints in the floodwall near the DART railroad bridge.
Dallas Floodway Periodic Inspection No. 9
Plate D-3
CORPS OF ENGINEERS
U.S. ARMY
Photo EL 4 & ELF 3: Stop log gate structure had been compromised by unauthorized removal of the sill.
Photo EL 1 & 3a: Electrical towers were on the landside levee lower slopes between DART & I-35E. Vegetation was growing on and within 50’ of the landside toe.
Dallas Floodway Periodic Inspection No. 9
Plate D-4
CORPS OF ENGINEERS
U.S. ARMY
Photo EFD 2: Shoaling with established vegetation on the right bank is causing the diversion of the channel into the levee at Belleview Pressure Conduit.
Photo EFD 4: The discharge channel slopes of Belleview Pressure Conduit had been severely eroded.
Dallas Floodway Periodic Inspection No. 9
Plate D-5
CORPS OF ENGINEERS
U.S. ARMY
Photo APS 17: There was a hole (12"W x 24"L) next to the concrete slab where water bubbles up through ground above the box conduits from the old pump house during times of high water.
Photo EID 7a: Drainage chute at right side of trash rack for small (old) Able Pump Station failing.
Dallas Floodway Periodic Inspection No. 9
Plate D-6
CORPS OF ENGINEERS
U.S. ARMY
Photo EID 7b: Baker Pump Station had erosion (4'W x 35'L) on the slope above the discharge chute, erosion (15'W x 35'L) on the left slope and erosion (50'W x 80'L) on the right side of the discharge channel.
EID 13a & DBP 21: Dallas Branch Pressure Conduit - gate tower, the bottom of two posts for the handrail at the left side of the operating deck had completely rusted out.
Dallas Floodway Periodic Inspection No. 9
Plate D-7
CORPS OF ENGINEERS
U.S. ARMY
Photo EID 2: 6 trees were growing in the upper section of a gabion retaining wall on the left side of the channel to the Turtle Creek Pressure Sewer intake.
Photo EID 6a: Turtle Creek Pressure Sewer Sta. 194+13 had left discharge channel failing wing wall displaced 3 inches with piping behind it (5'W x 4'L x 3'D).
Dallas Floodway Periodic Inspection No. 9
Plate D-8
CORPS OF ENGINEERS
U.S. ARMY
Photo TCP 5: Erosion (6"W x 6'L x 6"D) was found on the right side of the control structure at the Turtle Creek Pressure Conduit.
Photo EID 6b: Turtle Creek Pressure Sewer Sta. 194+13 has left discharge channel failing wing wall displaced 3 inches with erosion behind it (5'W x 4'L x 3'D), and a second 1 inch displaced wall joint with 1 inch separation on the same wing wall.
Dallas Floodway Periodic Inspection No. 9
Plate D-9
CORPS OF ENGINEERS
U.S. ARMY
Photo EFD 10: Hampton Pump Station - Riprap displaced from slopes of discharge chute to the bottom of the channel at New Hampton exposing bedding, and slides on the right and left slopes downstream of this displaced riprap.
Photo EID 14: Riprap displaced from slopes of discharge chute to the bottom of the channel at New Hampton exposing bedding.
Dallas Floodway Periodic Inspection No. 9
Plate D-10
CORPS OF ENGINEERS
U.S. ARMY
Photo EID 13b: Corrosion on flap gate at Hampton Road Pump Station.
Photo WL 1: Eagle Ford Sluice Sta. 479+72 had trees growing on the landside slope.
Dallas Floodway Periodic Inspection No. 9
Plate D-11
CORPS OF ENGINEERS
U.S. ARMY
Photo WL3a: Approximately 14 bridges crossing over the levee, many with piers on the levee crest or slopes.
Photo WL 3b: Sta. 18+90 had power line tower on landside levee toe.
Dallas Floodway Periodic Inspection No. 9
Plate D-12
CORPS OF ENGINEERS
U.S. ARMY
Photo WL 3d: Sta. 18+90 had power line poles on landside levee toe.
Photo WL 3c: Sta.466+50 had 8" petroleum line crossing over levee.
Dallas Floodway Periodic Inspection No. 9
Plate D-13
CORPS OF ENGINEERS
U.S. ARMY
Photo WID 1b: Eagle Ford Sluice Sta. 479+72 had trees growing within levee toe drainage ditch.
Photo WL 6: Walton Walker Bridge 475+65 had erosion gully next to pier.
Dallas Floodway Periodic Inspection No. 9
Plate D-14
CORPS OF ENGINEERS
U.S. ARMY
Photo CPS 5a: The intake structure, pumping equipment and buildings appeared to be in good condition. There was an erosion void under the stairs next to the pump house on the west side of the building. It was unclear how far back the void goes.
Photo DPS 5: Erosion had washed out the soil from under a concrete structure behind the pump house.
Dallas Floodway Periodic Inspection No. 9
Plate D-15
CORPS OF ENGINEERS
U.S. ARMY
Photo WID 13a: Delta Pump Station - Corrosion on trash racks.
Photo WID 6: Right wing wall at Coombs Creek Pressure Diversion had a 3-inch separated joint with exposed rebar.
Dallas Floodway Periodic Inspection No. 9
Plate D-16
CORPS OF ENGINEERS
U.S. ARMY
Photo WID 13b: Non-Mechanical trash racks at inlet were bent and had rust at Coombs Creek Pressure Diversion.
Photo WID 8: Steel brace installed to prevent movement of wing walls at Little Coombs Creek Pressure Conduit had become disconnected from the right wing wall and had failed.
Dallas Floodway Periodic Inspection No. 9
Plate D-17
CORPS OF ENGINEERS
U.S. ARMY
Photo PPS 5: The intakes, pumps and buildings appeared to be in good condition. A large slope failure (20’L x 20’W) under the drive had left the concrete slab cantilevered at the edge of the drive.
Photo WID 1a: Eagle Ford Sluice Sta. 479+72 had sediments filling in 60% of the inlet inflow.
Dallas Floodway Periodic Inspection No. 9
Plate D-18
CORPS OF ENGINEERS
U.S. ARMY
Photo WID 1c: Debris obstructing 50% inlet at Ledbetter Sluice.
Photo EFD 1: The abandoned old Santa Fe Railroad Bridge obstructs flow and catches debris.
Dallas Floodway Periodic Inspection No. 9
Plate D-19
CORPS OF ENGINEERS
U.S. ARMY
Photo RL 13: Sta. 188+60 – The MSE retaining wall had separated panels of up to 2 inches wide.
Photo RL 5: Sta.114+00 to 120+00 – Guardrail was leaning outward from the levee crest along the top of the MSE wall. It appeared that the MSE wall feature is in active failure.
Dallas Floodway Periodic Inspection No. 9
Plate D-20
CORPS OF ENGINEERS
U.S. ARMY
Photo RL 3: Sta. 121+55 to 130+00 – Leaning power poles and anchorages on the levee crest.
Photo RFW 3a: The ladder was bent on one of the swinging gates for the closure at the roadway and the turnbuckle was jammed between steel attachments such that it cannot easily be manipulated to create a tight closure for the gate.
Dallas Floodway Periodic Inspection No. 9
Plate D-21
CORPS OF ENGINEERS
U.S. ARMY
Photo RID 15: Sta. 89+00 had intake gravity flow structure that had depressions on the gabion slopes on both sides of the intake caused by erosion of soil material under the gabions next to the wing walls. The right side had a 2-foot deep gully next to the wing wall (exposed/washing out of bedding) and the left side had a 18’L x 10’W area depression on the gabion slope next to the wing wall.
Photo RFW 3b: The bottom seals on the stop logs for closing the railroad tracks are deformed near the ends due to the stop logs being stored with a section of the bottom seals resting on concrete stands.
Dallas Floodway Periodic Inspection No. 9
Plate D-22
CORPS OF ENGINEERS
U.S. ARMY
Photo CWWTP 3a: Odor control fan poles in the exterior levee slope (north and west side of levee).
Photo CWWTP 3d: Excavated pit behind the levee.
Dallas Floodway Periodic Inspection No. 9
Plate D-23
CORPS OF ENGINEERS
U.S. ARMY
Photo CWWTP 3b: Tower in the landside slope and crest of the north levee.
Photo CWWTP 3e: Water tank at toe of levee.
Dallas Floodway Periodic Inspection No. 9
Plate D-24
CORPS OF ENGINEERS
U.S. ARMY
Photo CWWTP 3c: Other lines under levee - 84” emergency outfall (120” dia. & 48” dia.), 66” dia. plant outfall (emergency use), 10’x10’ main double box culvert outlet, 84” dia. waste water gravity main line, 60”dia. waste water gravity line, abandoned outfall, and numerous other utilities under levee to be identified.
Dallas Floodway Periodic Inspection No. 9
Plate D-25
Related Documents
Corps Of Engineers Floodway Report Appendix D
April 2020 0
