MUNICIPAL MAINTENANCE
MUNICIPAL MAINTENANCE
QUALITATIVE RESULTS
Municipality: City of Oakley
Permit Year: (2007/2008)
Introduction:
The goal of the program is to reduce stormwater pollution discharges from municipal
maintenance activities, removing pollutants from stormwater through comprehensive
street sweeping and storm drain maintenance programs, and measuring the
effectiveness of Performance Standards. To accomplish this Oakley has entered into
maintenance contracts with Contra Costa County and various private service providers.
The City Engineer is the primary representative responsible for implementing the
Municipal Maintenance Performance Standards within Oakley, and the current seven
member staff of the Public Works and Engineering Division incorporates stormwater
compliance activities into their daily activities. As a majority of maintenance services
are provided by contractors, staff performs surveillance of contractors by conducting
scheduled and unscheduled monitoring of their activities to track and measure
effectiveness.
The Municipal Maintenance Performance Activities are accomplished by Contra Costa
county staff, MCE staff, UBS staff and a newly hired Municipal Maintenance Worker.
They are monitored by the Stormwater Program Manager, Frank Kennedy, who is the
primary contact: (925) 932-7857.
Implementation & Evaluation:
Street Cleaning/Sweeping
The City of Oakley continues to managed street sweeping by issuing a request for
proposals and conducting a competitive bidding process. The street sweeping contract
requires the sweeping of over 141.25 curb miles of streets twice a month. This is an
increase in curb mileage of 22.97 miles from the 2006-2007 report due to the
acceptance of 12 subdivisions during this reporting yeara. Developers are still
responsible for sweeping their streets until their subdivision is accepted.
The sweeping program resulted in the removal of in excess of 560 cubic yards of
material that otherwise would have found its way to the storm drain system. This is an
increase from 2006-07’s 495.00 cubic yards but can be considered an insignificant
difference because of volume approximations. To date staff has not identified an area
that needs to be targeted for more frequent sweeping, however, this is an ongoing
process and Oakley does suffer continuously from substantial wind blown sand. The
current data indicates that the most sweeping is in residential areas 1, 2, 3, and 4 with
a
See listings of new streets and catch basins accepted by the City MN-2
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the largest volume coming from area 1 (158.00 cu. yds)b. That’s because area 1 was
identified as an area that needed added promotional information and sweeping
coordination due to the excessive numbers of cars parked at the curb. During 2007-08
neighborhood residents in Route Area 1 have remained proactive in allowing street
sweeping activities to be successful. We speculate that this is why the totals in Cubic
Yards for Residential Route 1 were the highest volumes of materials removed.
(Observing what is happening in the neighborhood and working with the residents to
make sweeping more effective is an important tool that will continue to be
implemented). As a result of the 560.00 cubic yards removed through street sweeping
program, our calculations for estimating the pollutant load removal are as follows:
0.02(lbs) of PCBs removed, 0.04(lbs) total Mercury removed, 70.44(lbs) Copper
removed, 25.56(lbs) Lead removed, 21.19(lbs) Nickel removed, 112.20(lbs) Zinc
removed, 1371.36(lbs) Petroleum Hydrocarbons removed, 2992.05(lbs) Oil and Grease
removed prior to being mobilized and entering our storm drain system.
Pollutant Load Removal Figures (Lbs are estimates)
Pollutant Removed
PCBs
Mercury
Copper
Lead
Nickel
Zinc
TPH
Oil & Grease
Pounds Removed
0.02
0.04
70.44
25.56
21.19
112.20
1371.36
2992.05
In areas where there is development, the developer is required to maintain the
cleanliness of the streets. This is enforced by the Engineering Inspectors. As the
sweeper operator or staff inspection identifies a need, the area will become a target for
increased sweeping and possible a neighborhood education effort, depending on the
debris encountered. Neighborhood flyers will be used where parking problems persist.
Storm Drainage Facility Inspection & Maintenance
The City stepped up its inspection and maintenance program for storm drainage
facilities during FY 2002/2003; this was done in an effort to achieve performance
standard goal requirements. That increased level has been maintained through FY
2006/2007 with 100% inspection and cleaning of storm drain inlets. Detailed inspections
and cleanings of catch basins were conducted by the Municipal Maintenance staff.
County staff under contract cleaned “Hot Spot” locations with a Vac-con truck which
consists of removal of the grate, cleaning of the basin for sediment/debris and
inspection of upstream and downstream storm drain pipes. Contra Costa County Work
Report Detail indicates that 7.1 cubic yards of debris were removed from these “Hot
b
See Summary of Monthly Sweeping (Attachment MN-1)
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Spot” locations.c The remaining drainage facilities received cursory visual inspections.
Because of the thoroughness of last year’s inspections and cleaning and based on the
2007/08 spot inspections, mass inlet cleaning was not undertaken for 2007/08 -- just the
County, 7.1Yds3.
Pollutant Load Removal Figures (Lbs are Estimates)
Pollutant Removed
Copper
Lead
Zinc
TPH
Oil and Grease
Pounds Removed
0.38
0.87
2.03
14.56
40.73
To ensure the implementation of an effective storm drainage facility inspection and
maintenance program, the City has mapped its storm drain system and identified
potential problem areas.d The City also keeps records of the inspections.
Litter Control
Public facilities, including parks, contain litter receptacles that are emptied on a regular
basis. The actual amount of litter collected was not tracked during this reporting period.
MUNI 48-52. Tracking the amount of litter collected from the various public facilities
and generating a list of “Hot Spots” so that the City can work with the public to reduce
the amount and type of litter generated by the City will be a goal for 2008-09.
Graffiti Abatement Practices
The bulk of the graffiti abatement activities in Oakley were again conducted by the
Neighborhood Services Division of the City Manager’s Department and was supervised
by a Management Analyst staff person and the Municipal Maintenance Worker.
Abatement activities continue to be accomplished mainly be volunteer groups such as
the Boy Scouts and Girl Scouts, and consisted of painting over graffiti with latex based
paint. Excess material and cleanup residue was disposed of to the sanitary sewer. In
general graffiti has not been a problem in Oakley.
General Practices for Road Repair and Maintenance
Road repair and maintenance in Oakley continues to be conducted mostly via a contract
with Contra Costa County. Any work in the vicinity of a storm drain facility required
implementation of best management practices, including containment of excess water
and protection of catch basins and storm drain facilities. Competitively bid major road
repair projects included specifications and specific line item bid quantities for storm
c
d
See Attachment MN-3 “Work Report Detail”
See Storm Drain maps that are available at the City Offices in 24 x 34 hard copy format
MUNI - 3
water protection. All of the City’s bid road repair work is inspected by Public Works
Inspectors Ted Paetz and Troy Gibson. Their inspections include specific details for
storm drain inlet protection when accepting work completed as part of the progress
payment approval process. The protections provided as required by the Construction
specifications are generally effective construction zone measures. They do require
constant monitoring because of the disturbances from construction equipment.
General BMP’s for Municipal Maintenance Facilities
Jason Vogan, the City Engineer is primarily responsible for the implementation of
maintenance BMP’s. These responsibilities essentially relate to operational activities as
the City of Oakley does not have a corporation yard. Park and landscape maintenance
is performed by MCE a landscaping contractor.
None of the pesticides applied included either copper or diazanon as an active
ingredient. Because the City contracts for pesticide/herbicide application and for street
repair, the primary concerns are for proper management of small quantities of
emergency pavement patch material and general debris management.
In general the City’s fertilizer application was similar to that of Fiscal Year 2006-07. The
bulk of the application is within park facilities, and specific fertilizer mixes are used
based on the amenities present. Fertilizer application is limited to soft-scape areas
where runoff is unlikely. MUNI 153-158 & 165
Modifications: The modification that applies for FY 2007/2008 is that the City does not
operate a corporation yard and therefore the standards that apply to the “Municipal
Maintenance Facility” are not applicable. Those standards are MUNI-60, 64, 84, 87
through 94, and 121 and 122. The City only washes its vehicle at a commercial facility,
therefore Muni-95 through 97 are not applicable. The City does not operate any fuel
dispensing facilities, therefore Muni-98 through 105 are not applicable. The City does
not store or use any hazardous materials, therefore MUNI-106 through 111 and 114
through 117 are not applicable. The City does not maintain a fleet of vehicles, therefore
MUNI-119 and 120 do not apply.
Fiscal Year 2008/2009 Goals: Specific goals for 2008-2009 are as follows:
1) Continue to improve documentation and reporting efforts.
2) Closely monitor street sweeping efforts vs. volume of material collected to continue
reporting changes over time,
3) Observe contract service providers activities for BMP compliance,
4) Set up an appropriate manual system to track drainage facility inspection and
cleaning to document the items of MUNI-30 which are:
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a. Areas/sites inspected;
b. Silt and vegetation quantities removed;
c. Man-made materials removed, and type and estimate of volume
removed;
d. Disposal practices and follow-up actions;
e. Spill incidents and follow-up actions;
f. Application of chemicals (type used, areas applied); and,
g. Areas for possible improvements,
5) Verify the inventory of drainage facilities
6) Track the amount of litter collected.
7) Start work on an IPM plan.
Effectiveness will be measured by:
1) Producing improved documentation,
2) Tracking and reporting changes over time in the effectiveness of sweeping,
3) Actively observe and document the contract service providers in the cleaning,
sweeping and pesticide application activities,
4) Issue a revised inventory of drainage facilities as needed.
5) Production of a litter volume report.
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MUNICIPAL MAINTENANCE – QUANTITATIVE RESULTS
Description
Industrial
Areas
Commercial
Areas
Residential
Areas
Total
Street Sweeping
Total number of curb miles within Agency’s
jurisdiction
1.93
116.35
118.28
Number of curb miles swept
1.93
116.35
118.28
560
560
Total volume of material removed through
sweeping (cubic yards)
Preliminary Estimated Mass (Dry Weight) of Constituents Removed by Street Sweeping
Total PCBs (lbs)
0.02
Total Mercury (lbs)
0.04
Total Copper (lbs)
70.44
Total Lead (lbs)
25.56
Total Nickel (lbs)
21.19
Total Zinc (lbs)
112.20
Total Petroleum Hydrocarbons (lbs)
1371.36
Total Oil and Grease (lbs)
2992.05
Publicly Owned Storm Drain Facilities
Total Number of Storm Drain Facilities
Inlets
2645
Culverts (miles)
38.4
V-Ditches/Roadside Ditches (miles)
32.6
Pump Stations
0
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Description
Industrial
Areas
Commercial
Areas
Residential
Areas
Total
Constructed Channels (1) (miles)
9.5
Natural Watercourses (2) (miles)
2.1
Trash Racks
6
Number of Storm Drain Facilities Inspected/Cleaned
Inlets
N/A
Number of Storm Drain Inlets requiring
more frequent cleaning
N/A
Culverts
.2
V-Ditches/roadside ditches (miles)
.25
Pump stations
0
Number of Pump Station Maintenance
inspections
0
Constructed Channels (1) (miles)
0
Natural Watercourses (2) (miles)
0
Trash racks
0
Number of Illegal Dumping Hot Spots
identified during Routine Inspections
0
Volume of Material Removed from Storm Drain Facility Cleaning (cubic yards)
Inlets
7.1
Culverts
0
V-Ditches/roadside ditches
0
Pump stations
0
Constructed Channels (1)
0
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Description
Industrial
Areas
Commercial
Areas
Residential
Areas
Total
Natural Watercourses (2)
0
Trash racks
0
Preliminary Estimated Mass (Dry Weight) of Constituents Removed by Storm Drain Facility Cleaning
Total Copper (lbs)
0.36
Total Lead (lbs)
0.87
Total Zinc (lbs)
2.03
Total Petroleum Hydrocarbons (lbs)
14.56
Total Oil and Grease (lbs)
40.73
Miscellaneous Municipal Activities
Number of Municipal Maintenance Facility Inlets
Stenciled/Marked with the “No Dumping”
Message
474
474
Number of Municipal Maintenance Facility
Inspections for Leaky Vehicles and Equipment
0
Total Volume of Material Collected from Litter
Receptacles
N/A
Pesticide/Herbicide Use
Total quantity of pesticides/herbicides
applied (lbs)
545
Total quantity of pesticides/herbicides
applied (gallons)
141
Total quantity of pesticides/herbicides
applied with copper as an active ingredient
(lbs)
0
Total quantity of pesticides/herbicides
applied with copper as an active ingredient
(gallons)
0
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Description
Industrial
Areas
Commercial
Areas
Residential
Areas
Total
Total quantity of pesticides/herbicides
applied with diazinon as an active ingredient
(lbs)
0
Total quantity of pesticides/herbicides
applied with diazinon as an active ingredient
(gallons)
0
Fertilizer Use
Total amount of fertilizer applied (lbs)
13,000
Total amount of fertilizer applied (gallons)
13,000
0
Number of Employees Attending Municipal Maintenance Training/Workshops
Municipal training/workshops
1
Program training/workshops
2
Other
(1) Constructed Channels – A constructed channel means a constructed pathway for conveying stormwater
runoff. The constructed channel may be earthen, rock or concrete lined. It is differentiated from a “v-ditch” in so
much as it has a defined bed.
(2) Natural Watercourses – A natural watercourse means a natural pathway for conveying stormwater runoff
within defined bed and banks.
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