HomeMy WebLinkAbout07.b. Accept the 2010 Sewer Service Management Plan (SSMP) Annual Audit ReportCentral Contra Costa Sanitary District 76 6 0
' BOARD OF DIRECTORS
POSITION PAPER
Board Meeting Date: February 24, 2011
subject: BOARD ACCEPTANCE OF 2010 SEWER SYSTEM MANAGEMENT PLAN
AN N U AL A
Submitted By. Initiating Dept. /Div.:
Mark Wenslawski, Assistant Engineer Collection System Operations Department!
Field Operations
REVIEWED AND RECOMMENDED FOR BOARD ACTION:
Lu RTT
4 &I. Wenslawski B. Than
James . Kelly,
General anager
ISSUE: The Central Contra Costa Sanitary District's (District) annual audit of the
Sewer System Management Plan (SSMP) has been prepared for submission to the
California Regional Water Quality Control Board (RWQCB), San Francisco Bay
Section. This annual audit is presented for the District Board of Directors' information
and acceptance.
RECOMMENDATION: Accept the 2010 SSMP Annual Audit.
FINANCIAL IMPACTS: None
ALTERNATIVESMONSIDERATIONS: None
BACKGROUND: The California State Water Resources Control Board order No.
2005 -0003, "Statewide General Waste Discharge Requirements (WDR) for Sanitary
Sewer Systems" and the Regional Water Quality Control Board (RWQCB) required that
an SSMP be prepared and that the SSMP contain 11 chapters. The SSMP, as it now
stands, meets the requirements of the RWQCB.
The RWQCB also required that an annual audit of the SSMP be prepared and
submitted to the RWQCB by March 15 of the year following the year for which the
analysis applies. The purpose of the audit is. to evaluate the effectiveness of SSMP,
analyze overflow and stoppage data for trends, and identify areas which may be lacking
and need improvement. The audit for year 2010 is attached to this position paper.
Upon acceptance of this audit by the District Board of Directors, it will be submitted to
the RWQCB by March 15, 2011.
RECOMMENDED BOARD ACTION: Accept the 2010 SSMP Annual Audit.
Central Contra Costa Sanitary District
Sewer System Management Plan Annual Audit Report
Date of audit
February 17, 2011
Name of auditor
Mark Wenslawski, P.E.
System overview
LF of gravity sewer mains
7.7 million (1,460 miles)
LF of force mains
116 (22 miles)
Total LF of all sewer line
7.3 million (1,500 miles)
Number of pump stations
18
Population served
327,000 (plus 135,000
sewage treatment only)
Current monthly single family residential sewer rate
- $26/month ($31 1/yr)
I. GOALS
1. Are the goals stated in the SSMP still appropriate? ES / NO (circle one)
2. If you answered NO to question 1, describe content and schedule for
updates.
Il. ORGANIZATION
REFERENCE MATERIAL
Organization chart
Phone list
3. Is the SSMP date with agency organization and staffing contact
information? YES No
4. If you answered No to question 3, describe content and schedule for
updates.
Iii. OVERFLOW EMERGENCY RESPONSE PLAN
REFERENCE MATERIAL
Data submitted to CIWQS
Service call data
Page 1 of 7
Table 1. Annual SSO Statistics
5. Does the SSMP contain an u to version of your agency's Overflow
Emergency Response Plan. YES NO
6. Considering the information in Table 1, is the low Emergency
Response Plan effective in handling SSOs? ES 1 0
7. If you answered NO to questions 5 and/or 6, describe content and
schedule for necessary revisions and implementations.
IV. FATS, OILS AND GREASE (FOG) CONTROL PLAN
REFERENCE MATERIAL
➢ List or map of FOG sources in service
➢ List or map of hotspots
➢ Cleaning schedules
➢ Restaurant inspection reports or summaries
➢ Data submitted to ClWQS
➢ Service call data
Page 2 of 7
2908
2009
2010
2011
2012
Number of dry - weather SSOs
86
63
43
Number of wet - weather SSOs
Q
0
6
Total number of SSOs
86
53
43
Number of SSOs per 100 miles of sewer per year
5.7
4.3
2.9
Number of SSOs < 100 gallons
69
53
28
Number SSOs 190 to 999 gallons
19
9
13
Number of SSOs 1,099 to 9,999 gallons
7
1
1
Number of SSOs > 10,000 gallons
o
6
1
Total volume of SSOs (1000 gals)
27.2
6.1
21.5
Total volume recovered (1000 gals)
11.2
2.5
2.6
Net volume of SSOs (total minus recovered) (1900
g als )
16
3.6
19
SSOs caused by:
Roots
64
54
34
Grease
7
2
4
Debris
13
8
5
Pipe failure
2
2
6
Pump station failure
6
9
p
Capacity — limited pipe segment (no debris)
6
6
6
Other
6
1
p
Number of locations with more than one SSO in the
p ast year
2
9
6
Average response time (minutes) - during business
hours
29
26
21
Average response time (minutes) — after business
hours
37
37
36
5. Does the SSMP contain an u to version of your agency's Overflow
Emergency Response Plan. YES NO
6. Considering the information in Table 1, is the low Emergency
Response Plan effective in handling SSOs? ES 1 0
7. If you answered NO to questions 5 and/or 6, describe content and
schedule for necessary revisions and implementations.
IV. FATS, OILS AND GREASE (FOG) CONTROL PLAN
REFERENCE MATERIAL
➢ List or map of FOG sources in service
➢ List or map of hotspots
➢ Cleaning schedules
➢ Restaurant inspection reports or summaries
➢ Data submitted to ClWQS
➢ Service call data
Page 2 of 7
Table 2 . FOG Control Statistics
8. Does the SSMP ' n up -to -date information about your agency's FOG
control program YES NO
9. Considering the information in Table 2, is the current F 9 ram
effective in documenting and controlling FOG sources . DI
10. If you answered NO to questions 8 and/or 9, describe the content and
schedule for necessary changes.
V. LEGAL AUTHORITY
11. Does the contain up -to -date information about your agency's legal
authority YES O
12. Does your age y ve sufficient legal authority to control sewer use and
maintenance? YES 1 NO
13. If you answered NO to questions 11 and/or 12, describe the content and
schedule for necessary changes.
VI. MEASURES AND ACTIVITIES
A. COLLECTION SYSTEM MAPS
REFERENCE MATERIAL
Summary of information included in mapping system
14. Does th P contain up -to -date information about your agency's
maps? YES / O
15. Are your agency's c n system maps complete, up to date and
sufficiently detailed YES NO
15. If you answered NO to questions 14 and/or 15, describe the content and
schedule for necessary changes.
B. RESOURCES AND BUDGET
REFERENCE MATERIAL
➢ Current Capital Improvement Plan (CIP)
➢ Current operating budget
Page 3 of 7
2008
2009
2010
2011
2012
Number of SSOs caused by FOG
7
2
4
FOG inspections for grease interceptor installation
15
19
10
FOG inspections for discharge compliance
038
454
000
Total number of FOG inspections completed
853
473
018
8. Does the SSMP ' n up -to -date information about your agency's FOG
control program YES NO
9. Considering the information in Table 2, is the current F 9 ram
effective in documenting and controlling FOG sources . DI
10. If you answered NO to questions 8 and/or 9, describe the content and
schedule for necessary changes.
V. LEGAL AUTHORITY
11. Does the contain up -to -date information about your agency's legal
authority YES O
12. Does your age y ve sufficient legal authority to control sewer use and
maintenance? YES 1 NO
13. If you answered NO to questions 11 and/or 12, describe the content and
schedule for necessary changes.
VI. MEASURES AND ACTIVITIES
A. COLLECTION SYSTEM MAPS
REFERENCE MATERIAL
Summary of information included in mapping system
14. Does th P contain up -to -date information about your agency's
maps? YES / O
15. Are your agency's c n system maps complete, up to date and
sufficiently detailed YES NO
15. If you answered NO to questions 14 and/or 15, describe the content and
schedule for necessary changes.
B. RESOURCES AND BUDGET
REFERENCE MATERIAL
➢ Current Capital Improvement Plan (CIP)
➢ Current operating budget
Page 3 of 7
17. Does the SSMP contain -date information about your agency's
resources and budget? YES/ O
18. Are your agency's resources dget sufficient to support effective
sewer system management. YE SI O
19. Do your agency's planning efforts support long -term goals . YES O
20. If you answered NO to questions 17, 18 and/or 19, describe content and
schedule for necessary changes.
C. PRIORITIZED PREVENTATIVE MAINTENANCE
REFERENCE MATERIAL
Cleaning schedules
List or map of hotspots
Work orders
Service call data
Customer feedback
Table 3. Annual Blockage Statistics and Preventive Maintenance Activities
21. Does the SSMP contain up -to -date i tion about your agency's
preventive maintenance activities? YESI O
22. considering the information in Tables 1 -- 3, are your agency's preventive
maintenance activities s ' ' nt and effective in reducing and preventing
SSOs and blockages? YES/ O
23. If you answered NO to questions 22 and/or 23, describe content and
schedule for necessary changes.
D. SCHEDULED INSPECTIONS AND CONDITION ASSESSMENT
REFERENCE MATERIAL
Inspection reports
Page 4 of 7
2008
2009
2010
2011
2012
Blockages in the past year
130
80
20
Blockages due to:
Roots
97
67
13
Grease
9
4
3
Debris
13
8
4
Other
11
8
0
Average response time (minutes)
38
24
28
Ratio of unplanned cleaning to planned cleaning
LF
.014
.18
.09
Number of customer feedback surveys received in
the last year
133
110
82
Average Rating in feedback surveys (4.0 max)
3.8
3.82 1
3.79
21. Does the SSMP contain up -to -date i tion about your agency's
preventive maintenance activities? YESI O
22. considering the information in Tables 1 -- 3, are your agency's preventive
maintenance activities s ' ' nt and effective in reducing and preventing
SSOs and blockages? YES/ O
23. If you answered NO to questions 22 and/or 23, describe content and
schedule for necessary changes.
D. SCHEDULED INSPECTIONS AND CONDITION ASSESSMENT
REFERENCE MATERIAL
Inspection reports
Page 4 of 7
➢ Infiltration and Inflow (I/I) monitoring studies and reports
➢ Pipe and manhole condition data
24. Does the SSMP contain up -to -date infor ' n about your agency's
inspections and condition assessment . YES 0
25. Are your agency's scheduled inspections and condition assessment
m effective in locating, identifying and addressing deficiencies?
YES
25. If you answered NO to questions 24 and/or 25, describe content and
schedule for necessary changes.
E. CONTINGENCY EQUIPMENT AND REPLACEMENT INVENTORIES
REFERENCE MATERIAL
➢ Funds spent on equipment and materials
➢ Equipment and parts inventory
27. does the SSMP contain u ate information about equipment and
replacement inventories. YES o
28. Are contingency equipment and replacement parts sufficient and
to emergencies and properly conduct regular maintenance? aO
29. If you answered NO to questions 27 and/or 28, describe content and
schedule for necessary changes.
F. TRAINING
REFERENCE MATERIAL
➢ Employee training records
30. Does the SSMP contain up -to -date inf ion about your agency's
training expectations and programs? YES/ 0
31. Do supervisors believe that their staff is sufficiently trained? YES/ 0
32. Are staf ied with the training opportunities and support offered to
them? YES o
33. If you answered NO to questions 30, 31 and/or 32, describe content and
schedule for necessary changes.
G. OUTREACH TO PLUMBERS AND BUILDING CONTRACTORS
REFERENCE MATERIAL
➢ Flierstmailings
➢ Mailing lists
Page 5 of 7
34. Does the SSMP contain up -to -date information eO
ur agency's
outreach to plumbers and building contractors?
35. Has your agency conducted or partic' din any outreach activities to
plumbers and building contractors? ES/ O
36. If you answered NO to questions 34 and /or 35, describe content and
schedule for necessary changes.
VII. DESIGN AND CONSTRUCTION STANDARDS
REFERENCE MATERIAL
Design and construction standards
Ordinances
37. Does the SSMP contain up -to -date ' tion about your agency's
design and construction standards. YES 0
38. Are design and construction standards, as well as standards for inspection
and testing of ne rehabilitated facilities, sufficiently comprehensive
and up to date? YES 1 0
39. If you answered NO to questions 37 and/or 38, describe content and
schedule for necessary changes.
Vlll. CAPACITY MANAGEMENT
REFERENCE MATERIAL
Capacity assessment reports
CIP
SSO data
Table 4. SSOs Caused by H draulic Limitations
40. Does the SSMP cont ' o -date information about your agency's
capacity assessment YES 0
41. Has your agency completed a capacity assessment entified and
addressed any hydraulic deficiencies in the system YES 0
42. If you answered NO to questions 41 and/or 42, describe content and
schedule for necessary activities.
Page 6 of 7
2008
2009
2010
2011
2012
Number of SSOs caused by capacity limitations
0
0
0
40. Does the SSMP cont ' o -date information about your agency's
capacity assessment YES 0
41. Has your agency completed a capacity assessment entified and
addressed any hydraulic deficiencies in the system YES 0
42. If you answered NO to questions 41 and/or 42, describe content and
schedule for necessary activities.
Page 6 of 7
IX. MONITORING, MEASUREMENT AND PROGRAM MODIFICATIONS
43. Does the SSMP contain up -to information about your agency's data
collection and organization? ES 0
44. Is your agency's data collecti organization sufficient to evaluate the
effectiveness of your SSMP. YES o
45. If you answered NO to questions 44 and/or 45, describe content and
schedule for necessary improvements.
Chapter 9 will be updated with current data by March 15, 2011
X. SSMP AUDITS
46. Will this SSMP Audit be sub d to the Regional
Water Board by March 15. YES O
XI. COMMUNICATION PROGRAM
REFERENCE MATERIAL
➢ Mailings and mailing lists
➢ Website
➢ other communication records such as newspaper ads, site postings or other outreach
➢ Customer feedback
47. Does the SSMP con ' -to -date information about your agency's public
outreach activities? ES 0
48. Does the SSMP contain up -to -date information about y agency's
communications with satellite and tributary agencies . YES O
49. Has your agency effectively communicated with the p nd other
agencies about the SSMP and addressed feedback? ES 0
50. If you answered NO to questions 47, 48 and/or 49, describe content and
schedule for necessary improvements.
Page 7 of 7