HomeMy WebLinkAboutColma Creek Advisory Minutes 06-14-16 - 1 -
San Mateo County Flood Control District Colma Creek Flood Control Zone Citizen’s Advisory Committee Meeting Minutes Tuesday, June 14, 2016 I. CALL TO ORDER Irene O’Connell called to order the regular meeting of the Colma Creek Flood Control Zone Citizen’s Advisory Committee at 3:05 p.m. on Tuesday, June 14, 2016, in the City of South San Francisco – Corporation Yard Conference Room, 550 North Canal Street, South San Francisco.
II. ROLL CALL Present: Judith Christensen – City of Daly City
Mike Futrell – City of South San Francisco Irene O’Connell – City of San Bruno Gail DeFries, Member at Large – City of Daly City Richard Irli, Member at Large – City of South San Francisco
Sue Digre – City of Pacifica
Absent: Helen Fisicaro, Chair – Town of Colma Ed Bortoli, Member at Large – City of South San Francisco Sam Bonanno, Member at Large – City of South San Francisco
Staff in Attendance: Jim Porter – County of San Mateo (Director of PW/San Mateo County Flood Control District) Ann Stillman – County of San Mateo/San Mateo County Flood Control District
Mark Chow – County of San Mateo/San Mateo County Flood Control District John Fuller – City of Daly City Heather Ruiz – City of South San Francisco Brian McMinn – City of South San Francisco Brad Donohue – Town of Colma
Staff Absent: Robert Hahn – City of South San Francisco
III. APPROVAL OF MINUTES Minutes of the March 8, 2016 meeting were approved. IV. PUBLIC COMMENT None.
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V. DISTRICT PROJECTS, ETC.: SUMMARIZED IN A HANDOUT AND OPEN FOR ADDITIONAL DISCUSSION 1. El Camino Box Culvert and Mission Road Diversion Structure Ann advised that there are no updates on this section of the channel to report.
2. BART Co-op Project Ann advised that there are no updates on this section of the channel to report except that City and Town staff are in negotiations with BART to finalize the terms of the draft agreement to allow City and Town staff to enter onto BART property to perform maintenance activities on behalf of the District. Brian McMinn informed the Advisory
Committee that the City has executed the agreement and returned to BART. The Town anticipates signing the agreement prior to the next Advisory Committee meeting in September 2016. 3. Colma Creek Improvements between Spruce and San Mateo Avenues Ann advised that there are no updates on this section of the channel to report except that the District will continue to monitor this section of the channel regularly for wall movement or settlement at a segment of the south wall immediately downstream of the San Mateo Avenue Bridge.
4. Mitigation Sites downstream of Utah Avenue Ann advised that the District staff and Sheriff Work Program (SWP) participants continue to perform planting, weeding, and trash pick-ups at Mitigation Sites (2a, 2b, 2c, 3 and 4). The next SWP cleanup date has been scheduled for June 11, 2016.
On April 23 and May 14, 2016, the District co-sponsored Earth Day and National River Day clean up events, respectively, in which community volunteers removed trash from the mitigation sites and other locations along Colma Creek. District’s contractor, Ecological Concerns, Inc. (ECI), has been providing other
maintenance services, including plant procurement, habitat restoration, non-native plant removal, planting, weeding, and trash/sediment/debris removal at the existing mitigation sites. ECI continued to perform monthly maintenance at Site 4 and quarterly maintenance at Sites 2 and 3. On May 10, 2016, ECI off-hauled approximately 67 cubic yards of iceplant that was previously removed and stockpiled on Site 4. ECI also provided 250
plants and staff support for a volunteer planting event on May 7, 2016 in which 12 volunteers, including students from Alta Loma Middle School and staff from Cytokinetics in SSF, attended and received a valuable education experience on habitat restoration.
The following table summarizes the amount of trash removed from the Mitigation Sites since 2005 and the trash pick-up dates from 2014 thru 2016. An additional 5.92 CY of trash have been removed from the Mitigation Sites since the last Advisory Committee meeting.
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Year
Amount of Trash
Removed (Cubic Yard) Event Dates *
2016 16.43 1/2, 1/23, 2/13, 2/27, 3/19, 4/16, 4/23, 5/14, 5/22
2015 38.98 1/10, 1/24, 2/7, 2/21, 3/7, 3/21, 4/4, 4/18, 5/2, 5/16, 6/20, 7/18, 8/15, 9/13, 9/19, 10/17, 11/14, 12/12 (18 times)
2014 26.34 1/25, 2/22, 4/26, 5/14, 5/17, 6/7, 6/28, 7/12, 7/19, 9/13, 9/20, 10/4, 10/25, 11/22, 12/13 (15 times)
2005 – 2013 476.76 12-19 times per year
Total 558.51
* Number of event dates increased per mitigation required for Channel Wall Repair Upstream of Spruce Avenue.
5. Maintenance of Existing Channel Ann advised that the District performed a quarterly inspection of the Colma Creek Flood Control Channel on May 12, 2016 (See Maintenance Matrix Binder). Representatives from the City of South San Francisco accompanied District staff during the inspection.
Issues requiring enforcement by the City or the Town of Colma have been forwarded to
the respective entity. The District continues to monitor the north channel walls immediately upstream and downstream of the Produce Avenue Bridge. In December 2015 and in anticipation of the
El Nino storms, District installed steel plates at 3 of the 4 locations with the most severe
separations to prevent further erosion of soils behind the sheetpile walls. The steel plates appear to be effective so far in sealing the gaps created by the separations of the sheetpile panels and the bridge abutment (see photos in Maintenance Matrix Binder) and preventing further erosion. District staff is working to obtain proposals from the
consultants that currently have on-call agreements with the County to perform an
investigation on the cause of the wall movements and evaluate repair options. The permit applications for the long-term maintenance permit were submitted to the regulatory agencies on December 29, 2015. To comply with CEQA, District staff and
Horizon Water and Environment (Horizon) completed the Initial Study/Mitigated
Negative Declaration for the activities in the long-term maintenance permit and anticipates submitting the document to the State Clearing House on June 10, 2016. The US Army Corps of Engineers’ (USACE) Public Notice dated February 4, 2016 was issued for public comments which closed on March 4, 2016. District is not aware of any
comments submitted to the USACE.
6. Utah Avenue to Bay Ann advised that as previously reported, the District submitted a Notice of Interest (NOI) to the California Governor’s Office of Emergency Services (CalOES) in response to the
recently announced FEMA Hazard Mitigation Grant Program (HMGP) on January 29,
2016 for consideration of partially funding this project. CalOES notified the District on February 10, 2016 that our NOI was determined to represent an eligible HMGP activity and extended a formal invitation to the District to develop and submit a full application
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for HMGP funding. Applications are due to CalOES by June 16, 2016. District staff and
consultants have been working to complete the application which also requires a benefit-cost analysis evaluation be conducted. Projects where benefits exceed costs are generally considered cost-effective. Results from the additional analysis using the design standard approved by the Advisory Committee on March 8, 2016 specifically for this grant
application (100-year event, 100-year tide, 3 ft. of freeboard, and the projected mean 3 ft.
SLR) indicate that the flood walls will need to be constructed to the elevation of 16.5 feet (0.5 feet higher that discussed at the last Advisory Committee meeting) on the left bank for approximately 1,410’ (Utah Avenue bridge to the Bay Trail Pedestrian bridge) and the right bank for approximately 900’.
Due to the additional length and height of the proposed new flood walls to meeting the alternate design standard, the revised estimated total cost of the project would be $4,100,000 and the local match of $1,100,000 would be from the Colma Creek Zone fund. The District would request from the grant the maximum of $3,000,000. The
previous estimated construction cost of $2,000,000 with an anticipated 25% match of
$500,000, as discussed at the last Advisory Committee meeting, was based on the District’s current 50-year event design standard. 7. Clean Water Action “ReThink Disposable” (Formerly known as “Taking Out the Trash” Pilot Project) Ann advised that there are no updates to report. 8. Tracking California’s Trash Project Ann advised that there are no updates to report.
9. Sea Level Rise Preparedness Ann advised to see discussion under Utah Avenue to Bay section regarding potential grant funds to include design elements to include SLR mitigation in the construction of the project.
10. Colma Creek Technical Advisory Committee (TAC) Meetings Ann advised that the TAC met on April 12, 2016 to continue the discussion on collaboration between the District and SSF, Daly City, and Colma for maintenance type activities. Attorneys from the various agencies completed their review of the draft
maintenance agreement for work that could be performed by SSF and Colma including
trash removal, graffiti abatement, fence repair, and weed/vegetation management. The agreement has been revised to address comments from the attorneys and has been forwarded to SSF and Colma for final review. If there are no other concerns, the agreement will be finalized for signatures and could become effective July 1, 2016.
VI. DISCUSSION ITEMS
• Colma Creek Financial Summary: Ann distributed the updated Financial Summary showing revenue for FY 15-16 thus far along with expenditures.
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• Hazard Mitigation Grant Program Application Status for Colma Creek Flood Control Zone Channel Improvement Project (Utah Avenue to Navigable Slough): This item was covered in the summary.
• Colma Creek CIP Project List: Ann updated the Committee with the status of the
current CIP projects. The highlighted information has been modified/updated since the last Committee meeting. The Committee directed the TAC to begin looking at additional projects to address Sea Level Rise.
• Multi-jurisdictional Regional Stormwater Capture Project at Orange Memorial Park (SSF and San Mateo Countywide Water Pollution Prevention Program):
The San Mateo Countywide Water Pollution Prevention Program seeks to identify a multi-jurisdictional project that will potentially use Orange Memorial Park to take water from the creek, retain, and infiltrate the water into the park. This will remove the pollutants and reduce the water heading downstream. The focus
currently is on the first phase of the potential project which would identify
partners, funding sources, and feasibility. Caltrans has indicated interest in contributing funds to the project as credit for its NPDES permit. This item will be discussed further at future TAC meetings.
• Reappointments/Replacements for members with terms expired March 31, 2016:
o City of Pacifica (Digre): Sue Digre will be renewing her term and will provide a formal statement or minutes stating so from the City of Pacifica.
o City of S. San Francisco (Bonanno): SSF Boards & Commissions recruitment is this summer with interviews scheduled for September. City Council allows members to be seated until then. Mr. Bonanno will have
the option to reapply.
o Going forward, the County will remind the Committee of any expiring terms every June.
VII. ACTION ITEMS
None ADJOURNMENT Brian McMinn adjourned the meeting at 3:51 p.m.
Next meeting: Tuesday, September 13, 2016 at 3:00 p.m. City of South San Francisco Corporation Yard Conference Room
550 North Canal Street
South San Francisco, CA 94080
Minutes submitted by: Heather Ruiz, City of South San Francisco