Storm Water Management Facilities Maintenance Agreement 2016-0462514RECORDING REQUESTED BY:
CITY OF POWAY
AND WHEN RECORDED MAIL TO:
CITY CLERK
CITY OF POWAY
P O BOX 789
POWAY, CA 92074
APN: 314- 840 -02
DOC# 2016- 0462514
II I II III III lil II III I I I I I II II I I I I II III
Sep 02, 2016 04:46 PM
OFFICIAL RECORDS
Ernest J. Dronenburg, Jr.;
SAN DIEGO COUNTY RECORDER
FEES. $0.00
PAGES: 15
(THIS SPACE FOR RECORDER'S USE)
STORM WATER MANAGEMENT FACILITIES
MAINTENANCE AGREEMENT
Brooks Residence
(G 12 -0015)
The undersigned grantor(s) declares:
Documentary Transfer Tax is $ -0- pursuant to R & T Code 11922 (conveyance to a Government Agency)
This AGREEMENT for the maintenance and repair of certain Storm Water Management Facilities is
entered into between the Property Owner(s) David W. Brooks Trust U/A dated September 25, 2007,
(hereinafter referred to collectively as "OWNER ") and the City of Poway (hereinafter referred to as
"CITY ") for the benefit of the CITY, the OWNER, the successors in interest to the CITY or the
OWNER, and the public generally.
WHEREAS, OWNER is the owner of certain real property located in the City of Poway, California,
more particularly described in Exhibit "A" hereto (hereinafter referred to as the "PROPERTY "), which
is being developed as a single - family residence, in accordance with applications for Minor
Development Review Application 13 -032, and Grading Permit No. G12 -0015, which are on file with
the CITY. This Agreement is required as a condition of approval for such development.
WHEREAS, in accordance with the City of Poway's Standard Urban Storm Water Mitigation Plan,
Poway Municipal Code, Chapter 16, Division VI (the "SUSMP Ordinance "), the City of Poway
Subdivision Ordinance, the City of Poway Zoning Ordinance, the City of Poway Grading Ordinance
and /or other ordinances or regulations of CITY which regulate land development and urban runoff,
OWNER has proposed that storm water runoff from the PROPERTY be managed by the use of the
following Storm Water Management Facilities which are identified as "Best Management Practices" or
"BMPs ":
Two bioretention basins and multiple self - retaining and self - treating landscaping areas all as
shown on the approved grading plans.
The precise location(s) and extent of the BMPs are indicated on the approved grading plans and
within the Water Quality Technical Report for the Brooks Residence on file with CITY's Development
Services Department as G12 -0015. The manner and standards by which the BMPs must be repaired
and maintained in order to retain their effectiveness are as set forth in the Operation and Maintenance
Plan (hereinafter "O &M PLAN "), which is attached hereto and incorporated herein as Exhibit "B ".
WHEREAS, OWNER's representations that the BMPs will be maintained have been relied upon by
CITY in approving OWNER's development applications. It is the purpose of this Agreement to assure
that the BMPs are maintained, by creating obligations that are enforceable against the OWNER and
the OWNER's successors in interest in the PROPERTY. It is intended that these obligations be
enforceable notwithstanding other provisions related to BMP maintenance that are provided by law.
NOW, THEREFORE, for consideration of (a) CITY's approval of the above development applications
and (b) the mutual covenants set forth herein, IT IS HEREBY AGREED AS FOLLOWS.
Maintenance of Storm Water Management Facilities. OWNER agrees, for itself and its
successors in interest, to all or any portion of the PROPERTY, to comply in all respects with
the requirements of the SUSMP Ordinance with regards to the maintenance of BMPs, and in
particular agrees to perform, at its sole cost, expense and liability, the following
"MAINTENANCE ACTIVITIES ": all inspections, cleaning, repairs, servicing, maintenance and
other actions specified in the O &M PLAN, with respect to all of the BMPs listed above, at the
times and in the manner specified in the O &M PLAN. OWNER shall keep records of this
maintenance and provide copies of such records and annual certification of maintenance as
requested by CITY. OWNER shall initiate, perform and complete all MAINTENANCE
ACTIVITIES at the required time, without request or demand from CITY or any other agency.
OWNER further agrees that "MAINTENANCE ACTIVITIES" shall include replacement or
modification of the BMPs in the event of failure. Replacement shall be with an identical type,
size and model of BMP, except that:
(a) The City Engineer may authorize substitution of an alternative BMP if he or she
determines that it will be as effective as the failed BMP; and
(b) If the failure of the BMP, in the judgment of the City Engineer, indicates that the BMP in
use is inappropriate or inadequate to the circumstances, the BMP must be modified or
replaced with a more effective BMP to prevent future failure in the same or similar
circumstances.
Notices. OWNER further agrees that it shall, prior to transferring ownership of any land on
which any of the above BMPs are located, or any lot or portion of the PROPERTY which is
served by the above BMPs, and also prior to transferring ownership of any such BMP, provide
clear written notice of the above described maintenance obligations to the transferee.
3. CITY's Right to Perform Maintenance. It is agreed that CITY shall have the right, but not the
obligation, to elect to perform any or all of the MAINTENANCE ACTIVITIES if, in the CITY's
sole judgment, OWNER has failed to perform the same. Such maintenance by the CITY shall
be conducted in accordance with the nuisance abatement procedures set forth in Poway
Municipal Code Chapter 8.72. In the case of maintenance performed by the CITY, it may be
performed by CITY forces, or a contractor hired by the CITY, at the CITY's sole election. It is
recognized and understood that the CITY makes no representation that it intends to or will
perform any of the MAINTENANCE ACTIVITIES, and any election by CITY to perform any of
the MAINTENANCE ACTIVITIES shall in no way relieve OWNER of its continuing
maintenance obligations under this agreement. If CITY elects to perform any of the
MAINTENANCE ACTIVITIES, it is understood that CITY shall be deemed to be acting as the
agent of the OWNER and said work shall be without warranty or representation by CITY as to
safety or effectiveness, shall be deemed to be accepted by OWNER "as is ", and shall be
covered by OWNER's indemnity provisions below.
If CITY performs any of the MAINTENANCE ACTIVITIES, after CITY has demanded that
OWNER perform the same and OWNER has failed to do so within a reasonable time stated in
the CITY's demand, then OWNER shall pay all of CITY's costs incurred in performing the
MAINTENANCE ACTIVITIES, plus an administrative fee. OWNER's obligation to pay CITY's
SWMFMA Page 2
costs of performing MAINTENANCE ACTIVITIES is a continuing obligation. If OWNER fails to
pay CITY's costs for performing MAINTENANCE ACTIVITIES, CITY may assess a lien on the
property or properties of the responsible parties pursuant to the procedures set forth in Poway
Municipal Code Chapter 8.72.
4. Grant of Easement to CITY. OWNER hereby grants to CITY a perpetual easement over,
under and across all of the PROPERTY, for purposes of accessing the BMPs, inspecting the
BMPs, and performing any of the MAINTENANCE ACTIVITIES specified in Paragraph 1
above. CITY shall have the right, at any time and without prior notice to OWNER, to enter
upon any part of said area as may be necessary or convenient for such purposes. OWNER
shall at all times maintain the PROPERTY so as to make CITY's access clear and
unobstructed.
5. Administration of Agreement for CITY. CITY hereby designates the City Engineer as the
officer charged with responsibility and authority to administer this Agreement on behalf of
CITY. Any notice or communication to the City related to the implementation of this
Agreement shall be addressed to:
City Engineer
City of Poway
13325 Civic Center Drive
Poway, CA 92064
6. Defense and Indemnity. CITY shall not be liable for, and OWNER and its successors in
interest shall defend and indemnify CITY and the employees and agents of CITY (collectively
'CITY PARTIES "), against any and all claims, demands, liability, judgments, awards, fines,
mechanic's liens or other liens, labor disputes, losses, damages, expenses, charges or costs
of any kind or character, including attorneys' fees and court costs (hereinafter collectively
referred to as "CLAIMS "), related to this Agreement and arising either directly or indirectly from
any act, error, omission or negligence of OWNER, OWNER's successors, or their contractors,
licensees, agents, servants or employees, including, without limitation, claims caused by the
concurrent negligent act, error or omission, whether active or passive, of CITY PARTIES.
OWNER shall have no obligation, however, to defend or indemnify CITY PARTIES from a
claim if it is determined by a court of competent jurisdiction that such claim was caused by the
sole negligence or willful misconduct of CITY PARTIES. Nothing in this Agreement, CITY's
approval of the development application or plans and specifications, or inspection of the work
is intended to acknowledge responsibility for any such matter, and CITY PARTIES shall have
absolutely no responsibility or liability therefore unless otherwise provided by applicable law.
7. Allocation of Costs. Following the sale or transfer of any of the individual residential lots by
OWNER, the cost of the MAINTENANCE ACTIVITIES required by this Agreement shall be
divided equally by all lot owners, and paid by each lot owner or his or her heirs, assigns and
successors in interest. This requirement shall be binding on all lot owners in the subdivision,
and each shall be responsible for his or her equal share of the cost associated with the
maintenance.
8. Agreement Binds Successors and Runs With the PROPERTY. It is understood and
agreed that the terms, covenants and conditions herein contained shall constitute covenants
running with the land and shall be binding upon the heirs, executors, administrators,
successors and assigns of OWNER and CITY, shall be deemed to be for the benefit of all
persons owning any interest in the PROPERTY (including the interest of CITY or its
successors in the easement granted herein). It is the intent of the parties hereto that this
Agreement shall be recorded and shall be binding upon all persons purchasing or otherwise
SWMFMA Page 3
acquiring all or any lot, unit or other portion of the PROPERTY, who shall be deemed to have
consented to and become bound by all the provisions hereof.
9. OWNER's Continuing Responsibilities Where Work Commenced or Permit Obtained.
Notwithstanding any other provision of this Agreement, no transfer or conveyance of the
PROPERTY or any portion thereof shall in any way relieve OWNER of or otherwise affect
OWNER's responsibilities for installation or maintenance of BMPs which may have arisen
under the ordinances or regulations of CITY referred to in this Agreement, or other federal,
state or CITY laws, on account of OWNER having obtained a permit which creates such
obligations or having commenced grading, construction or other land disturbance work.
10. Amendment and Release. The terms of this Agreement may be modified only by a written
amendment approved and signed by the Director of Development Services acting on behalf of
CITY and by OWNER or OWNER's successor(s) in interest. This Agreement may be
terminated and OWNER and the PROPERTY released from the covenants set forth herein, by
a release, which CITY may execute if it determines that another mechanism will assure the
ongoing maintenance of the BMPs or that it is no longer necessary to assure such
maintenance.
11. Governing Law and Severability. This Agreement shall be governed by the laws of the
State of California. Venue in any action related to this Agreement shall be in the Superior
Court of the State of California, County of San Diego. OWNER hereby waives any right to
remove any such action from San Diego County as is otherwise permitted by California Code
of Civil Procedure Section 394. In the event that any of the provisions of this Agreement are
held to be unenforceable or invalid by any court of competent jurisdiction, the validity, and
enforceability of the remaining provisions shall not be affected thereby.
IN WITNESS WHEREOF, the parties have executed this Agreement on the dates set forth
hereinafter.
OWNER: David W. Brooks Trust U/A dated September 25, 2007
0C,�tv(✓U•(,,r�l� Date: S
David W. Brooks, Trustee
CITY OF POWAY:
bert J. Mank
Director of Development Services
APPROVED AS TO FORM:
Office of the City Attorney
Date: 5 filt,
Morga L. le �ityttorney
Wengsery \Land Development Projects\2012 \G12 -0015 Brooks \SWFMA.docx
APPROVED AS TO CONTENT:
Engine ring Division
Steven Crosby, P. .
City Engineer
SWMFMA Page 4
CALIFORNIA • ACKNOWLEDGMENT
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State of California /) L
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PHYLLIS SHINN
Commission #t 1956215
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= San Diego County
M Comm. Expires Nov 9, 2015
Place Notary Seal Above
who proved to me on the basis of satisfactory evidence to
be the person(] whose name( is /aM subscribed to the
within instrument and acknowledged to me that
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capacity(iN, and that by his/t114r /t*r signature(sXon the
instrument the person( or the entity upon behalf of
which the person(kacted, executed the instrument.
I certify under PENALTY OF PERJURY under the laws
of the State of California that the foregoing paragraph is
true and correct.
WITNESS my hand official seal.
Signature
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CERTIFICATE OF ACCEPTANCE
Storm Water Management Facilities
Maintenance Agreement
This is to certify that the interest in real property located in the City of Poway conveyed
by the Deed or Grant of Easement described in Item 4 of the attached document dated.
May 19, 2014, from David W. Brooks, to the City of Poway, a political corporation and /or
governmental agency, is hereby accepted by the undersigned officer or agent on behalf
of the City Council pursuant to authority conferred by Resolution No. 34 adopted on
January 20, 1981.
Dated: ,2p /lo CITY OF POWAY
Seal:
By:
Na cy eu Id, t MC
City Clerk
SWMFMA Brooks Residence (G12 -0015) Page 6
Exhibit "A"
PARCEL A:
LOT 2 OF CITY OF POWAY TRACT MAP 89 -09, MAP NO. 14091, IN THE CITY OF POWAY, COUNTY
OF SAN DIEGO, STATE OF CALIFORNIA, FILED IN THE OFFICE OF THE RECORDER OF SAN DIEGO
COUNTY ON DECEMBER 5, 2000.
PARCEL B:
AN EASEMENT AND RIGHT OF WAY FOR ROADWAY AND PUBLIC UTILITIES PURPOSES OVER, UNDER,
ALONG AND ACROSS ALL THAT PORTION OF LOT 2, SECTION 1, TOWNSHIP 14 SOUTH, RANGE 2
WEST, SAN BERNARDINO MERIDIAN, IN THE COUNTY OF SAN DIEGO, STATE OF CALIFORNIA,
ACCORDING TO THE OFFICIAL PLAT THEREOF, MORE SPECIFICALLY DESCRIBED AS A 60.00 FOOT
STRIP OF LAND LYING EQUALLY 30.00 FEET ON EITHER SIDE OF THE FOLLOWING DESCRIBED
LINE:
BEGINNING AT THE NORTHEAST CORNER OF SAID SECTION 1; THENCE SOUTH 00 025'18" EAST
(RECORD - SOUTH 00 001'00" EAST PER RECORD OF SURVEY 3612), ALONG THE EASTERLY LINE OF
SAID SECTION 1,1299.47 FEET TO A POINT ON THE ARC OF A 600.00 FOOT RADIUS CURVE, A
RADIAL FROM SAID POINT BEARS NORTH 20 °16'45" EAST; THENCE LEAVING SAID EASTERLY LINE,
ALONG THE ARC OF SAID CURVE THROUGH A CENTRAL ANGLE OF 08 031'08" FOR AN ARC DISTANCE
OF 89.21 FEET; THENCE NORTH 61 012 "07" WEST, 295.02 FEET TO THE BEGINNING OF A TANGENT
300.00 FOOT RADIUS CURVE, CONCAVE SOUTHWESTERLY; THENCE ALONG THE ARC OF SAID CURVE
THROUGH A CENTRAL ANGLE OF 27 035'26 ", FOR AN ARC DISTANCE OF 144.46 FEET; THENCE
NORTH 88 047'33" WEST, 841.27 FEET TO A POINT ON THE EASTERLY LINE OF SAID LOT 2 SAID
POINT LYING NORTH 00 018'42" WEST, 238.08 FEET FROM THE SOUTHEAST CORNER OF SAID LOT
2, SAID POINT BEING THE TRUE POINT OF BEGINNING; THENCE NORTH 88 °47'33" WEST,
SIDELINES BEING PROLONGED AND SHORTENED SO AS TO BEGIN AT SAID EASTERLY LINE OF LOT
2, 267.09 FEET TO THE BEGINNING OF A TANGENT 200.00 FOOT RADIUS CURVE, CONCAVE
NORTHEASTERLY; THENCE NORTHWESTERLY ALONG THE ARC OF SAID CURVE THROUGH A CENTRAL
ANGLE OF 83 037'44" FOR AN ARC DISTANCE OF 291.92 FEET; THENCE NORTH 05 009'49" WEST TO
THE BEGINNING OF A 500.00 FOOT RADIUS CURVE, CONCAVE SOUTHWESTERLY; THENCE
NORTHWESTERLY ALONG THE ARC OF SAID CURVE THROUGH A CENTRAL ANGLE OF 45 013'57" FOR AN
ARC DISTANCE OF 394.73 FEET; THENCE NORTH 50 023'46" WEST, 392.42 FEET TO THE
BEGINNING OF A TANGENT 200.00 FOOT RADIUS CURVE, CONCAVE SOUTHWESTERLY; THENCE
NORTHWESTERLY ALONG THE ARC OF SAID CURVE THROUGH A CENTRAL ANGLE OF 39 007'15" FOR AN
ARC DISTANCE OF 136.56 FEET; THENCE NORTH 89 031'01" WEST, 230.58 FEET TO THE POINT OF
TERMINUS ON THE WESTERLY LINE OF SAID LOT 2, SAID POINT BEING LOCATED SOUTH 00 °11'55"
EAST, 30.00 FEET FROM THE NORTHWEST CORNER OF SAID LOT 2, SAID SIDELINES BEING
PROLONGED AND SHORTENED SO AS TO TERMINATE AT SAID WESTERLY LINE.
DESCPOL- 02 / 26 /92 -I rc
Exhibit "B"
Maintenance Plan
A Maintenance Plan is a Irving document and field conditions may require modifications to the
Maintenance Plan. The responsible party "RP" may change, mechanical equipment may be
replaced, and additional maintenance procedures may be needed. Throughout these changes, the
maintenance plan must be kept up-to -date.
Updates may be transmitted to the City at any time. However, at a minimum, updates to the
maintenance plan must accompany the annual inspection report
The stormwater NPDES Permit requires the City to verify all treatment and flow - control facilities
are adequately maintained. Facilities installed as part of your project will be verified for
effectiveness and proper performance. The City will also verify the ongoing function of
stormwater management features that are not treatment or flow control facilities, such as
permeable pavements and limitations on impervious area.
I. Introduction
The project site is located at the west end of Del Poniente Road and is approximately 3.7
acres in size. The development includes a single family house located near the north - center
of the site. The proposed grading generally follows the existing topography and drainage
will continue to discharge points along the north property line and at the northwest comer
of the property where there are existing concrete lined drainage ditches. The drainage
improvements at the northwest comer discharge to Del Poniente Road through an existing
concrete curb drain.
Two bioretention areas which provide for water quality and hydromodification are located in
the northwest quadrant of the property. They are shown and detailed on the project grading
plans and sized for hydromodification in the project WQTR.
Features in addition to the bioretention areas and spillways that will have an impact on
runoff, including runoff erosion potential are the use of open -joint pavers, vegetated swales,
self - retaining areas and landscaping throughout the site. The use of pavers for some of the
hardscape areas onsite maximizes infiltration by allowing runoff to soak into site soil through
the openings between the paving stones and the gravel base. This will keep more runoff
onsite in the soil and decrease the runoff discharge during any storm event. Vegetated
swales give runoff a longer contact time for infiltration and decrease runoff velocity
protecting against downstream erosion as water must make a slower path through grass or
groundcover. Draining impervious roof areas to self- retaining areas provides slight ponding
in a storm event to retain runoff, slow it and allow for some infiltration. These features were
chosen because they work to keep runoff onsite as much as possible instead of allowing
storm flows (including a portion of loo -year storm event flows) to exit the site and also
because they slow down runoff that does leave the site and protect downstream areas from
erosion.
The facilities that require inspection and maintenance by the RP are designated on the WQTR
Exhibit. A reduced copy of the exhibit is included in Section I at the end of the maintenance
plan.
11. Responsibility for Maintenance "RP"
Updated contact information must be provided to the City immediately whenever a
property is sold and whenever designated individuals change.
RP /Property Owner. Dave Brooks
RP Phone Number.' 858 945 -1616
The RP should include copies of all inspection and maintenance records for a minimum of 5
years and any reports in Section 11 at the end of the maintenance plan.
The RP may hire or designate another person to perform the inspection and maintenance,
but the responsibility for filing the form with the City and the ultimate responsibility for the
information included on the form lies with the RP.
Ill. Summary of Drainage Areas and Stormwater Facilities
A. Drainage Areas
i. An exhibit, showing pervious and impervious areas is included in Section I at the end
of the maintenance plan. The main impervious areas are the roof, which drains to the
surrounding landscaping and self-retaining areas, and the concrete driveway which
drains to the two bioretention areas. Pervious areas, not including the slopes, also
drain to the self - retaining areas or bioretention areas, as shown on the exhibit. The
landscaped slopes around the site are designed to drain directly offsite. If they were
to drain onsite, the bioretention areas would need to be much larger. it is important
to maintain the drainage patterns designed for the project and not change them
without acquiring the proper permits and approvals.
ii. The exhibit also includes a description of each drainage area and how flow is routed
to each to and from the pervious and impervious areas of the site.'
B. Treatment and Flow - Control Facilities
i. An exhibit, showing the location, size and type of each facility is included in Section I
at the end of the maintenance plan. The exhibit also includes a description of each
drainage area and how flow is routed to each facility.
ii. In the case of your self- retaining areas generally located in the front and north side
yard, runoff from roof downspouts and the yard itself flows on the surface to a low
spot or depressed area. A grated inlet is located at the low spot but is elevated a few
inches about the surrounding ground so that water will pond before cresting over
the inlet and continuing offsite. Keeping the grate clean and free of leaves or debris
makes sure that water will not pond deeper than a few inches and will not sit
stagnant for longer than 48 hours. It is important for the depressed area around the
grate to remain because that holds the ponding water and allows the self- retaining
area to function as a water quality feature. The self- retaining areas drain through the
grates and into the onsite storm drain which brings runoff down to the edge of the
graded area of the lot where flow is allowed to continue on the surface to the north.
iii. The bioretention areas are located along the north side of the driveway towards the
northwest comer. Runoff from the driveway and a few of the grated inlets to the
south of the house drains through the onsite storm drain system to the bioretention
areas. The bioretention areas function by holding water and allowing it to infiltrate
and also allowing the water to react with the engineered soil mixture and the plant
life within the area. It is important that the plants in the bioretention area are
maintained since they have been chosen for that location and a specific purpose. If
plantings are dying, a professional landscape architect should be contacted for
direction.
iv. All of the storm drain inlets and outlets shown and listed on the exhibit and the as-
built drawings are a part of the functionality of your stormwater system. They must
be kept free from any blockages, repaired or replaced as necessary to make sure that
site drainage makes its way safely away from the house and to the facilities that were
designed to clean and discharge the water.
Iv. Maintenance Schedule
A. Maintenance Schedule for each facility with specific requirements for
Routine inspection and maintenance —The best time to complete routine
inspections and maintenance of your stormwater facilities is at the same time
that you inspect you irrigation system. Once a month, bi- monthly or at least
every season, is a good time to briefly turn on the irrigation and do a walk
through inspection to make sure pipes and sprinklers aren't broken or leaking.
While you are doing a walk through inspection, keep your eyes open for blocked
grates or ponding water, areas where soil or rock has washed away, plants that
do not look healthy, etc. If the issue is corrected early, it will be less expensive
than replacing broken items on a yearly basis.
ii. Annual inspection and maintenance - The City requires that you file an annual
inspection and maintenance report.
iii. Inspection and maintenance after major storms — Erosion and debris /sediment
problems will be most likely and noticeable after a major storm. Clearing any
blockages or stabilizing any areas where soil is washing out after a major storm
guarantees that your stormwater system will be able to function at full capacity
immediately afterwards and will also make sure that lateral damages such as
mosquito breeding and soil saturation near the house foundation do not occur.
PRIVATE TREATMENT CONTROL BMP OPERATION AND MAINTENANCE VERIFICATION FORM
BIORETENTION FACILITIES, SELF - RETAINING AREAS
Permit No.:
BMP Location:
Responsible Party: Phone Number. Email:
Responsible Party Address:
Using the Table below, please describe the inspections and maintenance activities that have been
conducted during the fiscal year (July i - June 30), and date(s) maintenance was performed. Under
"Results of Inspection," indicate whether maintenance was required based on each inspection, and if so,
what type of maintenance. if maintenance was required, provide the date maintenance was conducted
and a description of the maintenance. THE SECOND SHEET HAS ADDITIONAL INFORMATION
DESCRIBING TYPICAL MAINTENANCE INDICATORS AND MAINTENANCE ACTIVITIES. If no maintenance
was required based on the inspection results, state "no maintenance required."
What To Look For?
Date Inspected
Results of Inspection:
Work needed?
(Yes /No)
Date Maintenance Completed and
Description of Maintenance Conducted
Accumulation of
Sediment, titter,
Grease
Standing Water
Erosion
Overgrown
Vegetation
Poor Vegetation
Establishment
Structural Damage
Attach copies of available supporting documents (photographs, copies of maintenance contracts,
and /or maintenance records).
Sign the bottom of the form and return to: City of Poway
Poway, CA
Email.
Signature of Responsible Party Print Name Date
You have two types of Treatment Control Features on your property: Bioretention and Self- Retaining
Areas.
Routine maintenance is needed to ensure that flow is unobstructed, that erosion is prevented, and
that soils are held together by plant roots and are biologically active. Typical maintenance consists of
the following:
Typical Maintenance Indicators
Typical Maintenance Actions
Accumulation of sediment (over 2
Remove and properly dispose of accumulated materials,
inches deep or covers vegetation),
without damage to the vegetation. Confirm that soil is not
litter, or debris
clogging and that the area drains after a storm event Till or
replace soil as necessary.
Poor vegetation establishment
Ensure vegetation is healthy and dense enough to provide
filtering and to protect soils from erosion. Replenish mulch as
necessary (if less than 3 inches deep), remove fallen leaves
and debris, prune large shrubs or trees, and mow turf areas.
Overgrown vegetation —woody
Mow or trim as appropriate, but not less than the design
vegetation not part of design is
height of the vegetation (typically 4-6 inches for grass).
present and grass excessively tall
Confirm that irrigation is adequate and not excessive and that
(greater than io inches)
sprays do not directly enter overflow grates. Replace dead
plants and remove noxious and invasive weeds.
Erosion due to concentrated
Repair /re -seed eroded areas and adjust the irrigation.
irrigation flow
Erosion due to concentrated
Repair /re -seed eroded areas and make appropriate corrective
stormwater runoff flow
measures such as adding erosion control blankets, adding
stone at flow entry points, or regrading where necessary.
Remove obstructions and sediment accumulations so water
disperses.
Standing water (BMP not draining).
where there is an underdrain, such as in planter boxes and
If mosquito larvae are present and
manufactured biofilters, check the underdrain piping to make
persistent, contact the San Diego
sure it is intact and unobstructed. Abate any potential vectors
County Vector Control Program at
by filling holes in the ground in and around the biofliter
(858) 694 -2888. Mosquito
facility and by insuring that there are no areas where water
larvicides should be applied only t
stands longer than 96 hours following a storm.
when absolutely necessary and
then only by a licensed individual or
contractor.
Obstructed inlet or outlet structure
Clear obstructions.
Damage to structural components
Repair or replace as applicable.
such as weirs, inlet, or outlet
structures
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