7) cape fear 1978 ash pond dam (chath‐078) 9) …management...7) cape fear 1978 ash pond dam...

Post on 02-May-2020

1 Views

Category:

Documents

0 Downloads

Preview:

Click to see full reader

TRANSCRIPT

Most Recent Inspection Reports for Dams Related to Dam Safety Order 16‐01 

1) Allen Retired Ash Basin Dam (GASTO‐016)

2) Allen Active Ash Basin Dam (GASTO‐061)

3) Buck Steam Station Main Dam (ROWAN‐047)

4) Cape Fear 1956Ash Pond (Inactive) (CHATH‐075)

5) Cape Fear 1963Ash Pond Dam (Inactive) (CHATH‐076)

6) Cape Fear 1970Ash Pond Dam (Inactive) (CHATH‐077)

7) Cape Fear 1978 Ash Pond Dam (CHATH‐078)

8) Cliffside Active Ash Pond Downstream Dam (CLEVE‐049)

9) Cliffside Inactive Ash Basin #5 Main Dam (RUTHE‐070)

10) Dan River Active Primary Ash Basin Dam (ROCKI‐237)

11) Dan River Active Secondary Ash Basin Dam (ROCKI‐238)

12) Dan River Service Water Settling Pond Dam (ROCKI‐241)

13) H.F. Lee Active Ash Pond Dam (WAYNE‐022)

14) Lincoln CT Raw Water Reservoir Dam (LINCO‐042)

15) Marshall Active Ash Basin Dam (CATAW‐054)

16) Roxboro East Ash Pond Dam (PERSO‐033)

17) Roxboro West Ash Pond South Rock Filter Dam (PERSO‐039)

18) Weatherspoon 1979 Ash Pond Dam (ROBES‐009)

B-1

B-2

B-3

B-4

B-5

B-6

B-7

B-8

B-9

B-10

B-11

B-12

B-13

B-14

B-15

B-16

B-17

B-18

B-19

B-20

B-21

B-22

B-23

B-24

B-25

B-26

B-27

B-28

B-29

B-30

B-31

B-32

B-33

B-34

B-35

B-36

B-37

B-38

B-39

B-40

B-41

B-42

B-43

B-44

B-45

Name Roxboro East Ash Basin

County Person

No. 033

Inspected By Adams/Kang

Date 09/05/2018

Owner Duke Progress Energy- ATTN: Randy Hart

Address 410 S. Wilmington St., Raleigh, NC 27601

Phone No. see file

Type of Dam Concrete Gravity Concrete Arch Other

Embankment Concrete Buttress Stone Masonry

Type of Inspection Initial

Follow up Periodic Other

Site Conditions Wet

Dry Snow Cover Other

Hazard Description onsite containment

Condition Assessment Satisfactory Fair Poor Unsatisfactory Not rated

Hazard Class Low (A) Intermediate (B) High (C)

Remarks

Action None Maintenance Monitoring Minor Repair Engineering

Recommendations Inspection letter Inspection by DSE Deficiency letter Dam safety order RE notice Enforcement Engineering study Periodic reinspection Inspection by RE Other reinspection

AREA PROBLEMS COMMENTS

UP

STR

EAM

SLO

PE

/

FAC

E

1. None 11. Displaced rip rap 2. Trees 12. Cracks 3. High bushes 13. Undermining 4. Burrows 14. Holes 5. Wave erosion 15. Spalling 6. Livestock damage 16. Displaced joints 7. Slides 17. Deteriorated joints 8. Depressions 18. Exposed reinforcement 9. Bulges 19. Other 10. Sparse rip rap

COVER: Vegetation Rip rap Concrete Asphalt Other

TOP

OF

DA

M

1. None 11. Cracks 2. Trees 12. Spalling 3. High bushes 13. Deteriorated joints 4. Burrows 14. Displaced joints 5. Ruts 15. Exposed reinforcement 6. Livestock damage 16. Other 7. Depressions 8. Unlevel 9. Misalignment 10. Has overtopped

COVER: Vegetation Gravel Concrete Asphalt Other

Road across dam See comments on SW ditch

DO

WN

STR

EAM

SLO

PE/

FAC

E

1. None 11. Seepage 2. Trees 12. Boils 3. High bushes 13. Cracks 4. Burrows 14. Holes 5. Erosion 15. Spalling 6. Livestock damage 16. Displaced joints 7. Slides 17. Deteriorated joints 8. Depressions 18. Exposed reinforcement 9. Bulges 19. Other 10. Wetness

COVER: Vegetation Rip rap Concrete Other

TOE

CO

NTA

CT

1. None 11. Seepage 2. Trees 12. Boils 3. High bushes 13. Cracks 4. Burrows 14. Holes 5. Erosion 15. Spalling 6. Livestock damage 16. Displaced joints 7. Slides 17. Deteriorated joints 8. Depressions 18. Exposed reinforcement 9. Bulges 19. Other 10. Wetness

COVER: Vegetation Rip rap Concrete Other

DAM SAFETY INSPECTION REPORT

B-46

Dam No. 033 Date 09/05/2018 Page 2

AREA PROBLEMS COMMENTS A

BU

TMEN

T C

ON

TA

CTS

1. None 11. Seepage 2. Trees 12. Boils 3. High bushes 13. Cracks 4. Burrows 14. Holes 5. Erosion 15. Spalling 6. Livestock damage 16. Displaced joints 7. Slides 17. Deteriorated joints 8. Depressions 18. Exposed reinforcement 9. Bulges 19. Undermining 10. Wetness 20. Other

COVER: Vegetation Rip rap Concrete Other

PR

INC

IPA

L SP

ILLW

AY

1. None 11. Joint displacement 2. No trashguard 12. Undermined 3. Obstructed 13. Voids 4. Plugged 14. Erosion 5. Rusted 15. Holes 6. Damaged 16. Conduit collapsed 7. Gates leaking 17. Spalling 8. Joints leaking 18. Outlet undercutting 9. Cracks 19. Misalignment 10. Joint deterioration 20. Other

TYPE/SIZE: conduits (3) to west ash pond

EMER

GEN

CY

SP

ILLW

AY

1. None 11. Joint displacement 2. No ES 12. Undermined 3. Same as ES 13. Voids 4. Obstructed 14. Holes 5. Erosion 15. Exposed reinforcement 6. Displaced rip rap 16. Spalling 7. Sparse rip rap 17. Outlet erosion 8. Joints leaking 18. Misalignment 9. Cracks 19. Inadequate capacity 10. Joint deterioration 20. Other

TYPE/SIZE:

DR

AIN

S /

OTH

ER

OU

TLET

S

1. None 2. No bottom drain 3. Bottom drain inoperable 4. Subsurface drain dry 5. Subsurface drain muddy flow 6. Subsurface drain obstructed 7. No animal guard 8. Other

TYPE:

SKETCHED/COMMENTS: Establish positive drainage flow to the SW ditch that is located on the upstream side of the road (across top of dam) on the dike.

B-47

B-48

B-49

B-50

B-51

top related