20050684 Stormwater Maintenance Agreement 12042012 STORMWATER MAINTENANCE AGREEMENT
FOR
McKENZIE MEADOWS
9329 CULLENS ROAD SE
YELM, WA 98597
LEGAL DESCRIPTION:
PARCEL A:
THE NORTH 250 FEET OF THE NORTHEAST QUARTER OF THE NORTHEAST QUARTER OF THE NORTHEAST
QUARTER OF SECTION 24,TOWNSHIP 17 NORTH, RANGE 1 EAST,W.M., EXCEPT COUNTY ROAD RIGHT-
OF-WAY KNOWN AS CULLENS ROAD ALONG THE EAST BOUNDARY.
PARCEL B:
THE NORTHEAST QUARTER OF THE NORTHEAST QUARTER OF THE NORTHEAST QUARTER OF SECTION
24,TOWNSHIP 17 NORTH, RANGE 1 EAST,W.M.; EXCEPT THE NORTH 250 FEET;ALSO EXCEPT THE SOUTH
190 FEET;ALSO EXCEPT THE EAST 20 FEET FOR COUNTY ROAD RIGHT-OF-WAY(CULLENS ROAD);ALSO
EXCEPT THAT PORTION DESCRIBED AS FOLLOWS: COMMENCING ON THE EAST LINE OF SAID SECTION 24
AT A POINT WHICH BEARS SOUTH 01°31'21"WEST 356.29 FEET FROM THE NORTHEAST CORNER
THEREQF;THENCE NORTH 89°09'57"WEST 195.30 FEET;THENCE SOUTH 00°03'27"EAST 111.56 FEET TO
THE NORTH LINE OF THE SOUTH 190.00 FEET OF SAID SUBDIVISION;THENCE,ALONG SAID NORTH LINE,
SOUTH 88°15'41"EAST 192.21 FEET TO SAID EAST LINE;THENCE,ALONG SAID EAST LINE, NORTH
01°31'21"EAST 114.59 FEET TO THE POINT OF BEGINNING. PURSUANT TO JUDGEMENT AND DECREE
FILED OCTOBER 19,2012 IN THURSTON COUNTY SUPERIOR COURT CAUSE NO. 11-2-02442-1.
SITUATE IN THURSTON C�UNTY,WASHINGTON.
BY:
SKILLINGS CONNOLLY INC.
5016 Lacey Blvd
Lacey, WA 98503
December 4, 2012
PURPOSE
The "Drainage Design and Erosion Control Manual for Thurston Region, Washington"
requires that a maintenance plan be developed for each storm water facility draining more
than 5,000 square feet. Section 3.3 of the Manual addresses contents of the plan, and
requires that the plan include the following elements:
• Type and frequency of long term maintenance.
• Identification of the responsible maintenance organization.
• A vegetation management plan.
• Pollution source control instructions.
• An estimated annual cost of maintenance for the storm water facility.
An agreement to maintain the system according to the maintenance plan is also required by
the manual.
CONTENTS: PAGE
STORMWATER MAINTENANCE AGREEMENT.................................................................. 3
MAINTENANCE PROGRAM................................................................................................. 8
COVERSHEET................................................................................................................. 8
MAINTENANCE CHECKLISTS......................................................................................... 9
INSTRUCTIONS................................................................................................................ 9
POLUTION SOURCE CONTROL PROGRAM .................................................................... 20
COST ESTIMATE FOR MAINTENANCE ............................................................................ 24
2
STORMWATER MAINTENANCE AGREEMENT
RESIDENTIAL
AGREEMENT TO MAINTAIN
STORM WATER FACILITIES AND TO IMPLEMENT A
POLLUTION SOURCE CONTROL PLAN
BY AND BETWEEN
McKENZIE MEADOWS HOMEOWNER'S ASSOCIATION
ITS HEIRS, SUCCESSORS, OR ASSIGNS
(HEREINAFTER "The Homeowner's Association")
AND THE CITY OF YELM
(HEREINAFTER "The Jurisdiction")
The upkeep and maintenance of storm water facilities and the implementation of
pollution source control best management practices (BMPs) is essential to the
protection of water resources. All property owners are expected to conduct business
in a manner that promotes environmental protection. This Agreement contains
specific provisions with respect to maintenance if storm water facilities and use of
pollution source control BMPs.
LEGAL DESCRIPTION:
PARCEL A: THE NORTH 250 FEET OF THE NORTHEAST QUARTER OF THE NORTHEAST
QUARTER OF THE NORTHEAST QUARTER OF SECTION 24, TOWNSHIP 17 NORTH, RANGE 1
EAST, W.M., EXCEPT COUNTY ROAD RIGHT-OF-WAY KNOWN AS CULLENS ROAD ALONG THE
EAST BOUNDARY.
PARCEL B: THE NORTHEAST QUARTER OF THE NORTHEAST QUARTER OF THE NORTHEAST
QUARTER OF SECTION 24, TOWNSHIP 17 NORTH, RANGE 1 EAST, W.M.; EXCEPT THE NORTH
250 FEET;ALSO EXCEPT THE SOUTH 190 FEET;ALSO EXCEPT THE EAST 20 FEET FOR
COUNTY ROAD RIGHT-OF-WAY(CULLENS ROAD);ALSO EXCEPT THAT PORTION DESCRIBED
AS FOLLOWS: COMMENCING ON THE EAST LINE OF SAID SECTION 24 AT A POINT WHICH
BEARS SOUTH 01°31'21"WEST 356.29 FEET FROM THE NORTHEAST CORNER THEREOF;
THENCE NORTH 89°09'57"WEST 195.30 FEET; THENCE SOUTH 00°03'27" EAST 111.56 FEET
TO THE NORTH LINE OF THE SOUTH 190.00 FEET OF SAID SUBDIVISION; THENCE,ALONG
SAID NORTH LINE, SOUTH 88°15'41" EAST 192.21 FEET TO SAID EAST LINE;THENCE,ALONG
SAID EAST LINE, NORTH 01°31'21" EAST 114.59 FEET TO THE POINT OF BEGINNING.
PURSUANT TO JUDGEMENT AND DECREE FILED OCTOBER 19, 2012 IN THURSTON COUNTY
SUPERIOR COURT CAUSE NO. 11-2-02442-1.
SITUATE IN THURSTON COUNTY,WASHINGTON.
Whereas, The Homeowner's Association has constructed improvements, including
but not limited to buildings, pavement, and storm water facilities on the property
described above. In order to further the goals of the Jurisdiction to ensure the
protection and enhancement of Jurisdiction's water resources, The Jurisdiction and
The Homeowner's Association hereby enter into this Agreement. The
responsibilities of each party to this Agreement are identified below:
3
The Homeowner's Association SHALL:
(1) Implement the storm water facility maintenance program included herein as
Attachment "A".
(2) Implement the pollution source control program included herein as Attachment
��g��
(3) Maintain a record (in the form of a log book) of steps taken to implement the
programs referenced in (1 ) and (2) above. The log book shall be available for
inspection by The Jurisdiction staff by contacting the home owner association
during normal business hours. The log book shall catalog the action taken, who
took it, when it was done, how it was done, and any problems encountered or
follow-on actions recommended. Maintenance items ("problems") listed in
Attachment "A" shall be inspected on a monthly or more frequent basis as
necessary. The Homeowner's Association is encouraged to photocopy the
individual checklists in Attachment A and use them to complete its monthly
inspections. These completed checklists would then, in combination, comprise
the monthly log book.
(4) Submit annual report to the Jurisdiction regarding implementation of the
programs referenced in (1) and (2) above. The report must be submitted on or
before May 15 of each calendar year and shall contain, at a minimum. the
following:'
(a) Name, address, and telephone number of the business, the person, or the firm
responsible for plan implementation, and the person completing the report.
(b) Time period covered by the report.
(c) A chronological summary of activities conducted to 'implement the
programs referenced (1) and (2) above. A photocopy of the applicable
sections of the log book with any additional explanation needed, shall
normally suffice. For any activities conducted by paid parties not affiliated
with The Homeowner's Association, include a copy of the invoice for
services.
(d) An outline of planned activities for the next year.
The Jurisdiction SHALL:
(1) Provide technical assistance to The Homeowner's Association in support of its
operation and maintenance activities conducted pursuant to its maintenance and
source control programs. Said assistance shall be provided upon request, and
4
as The Jurisdiction time and resources permit, at no charge to The
Homeowner's Association.
(2) Review the annual report and conduct a minimum of one (1) site visit per year to
discuss performance and problems with The Homeowner's Association.
(3) Review this agreement with The Homeowner's Association and modify, it as
necessary at least once every three (3) years.
REMEDIES:
(1) If The Jurisdiction determines that maintenance or repair work is required to be
done to the storm water facility existing on the Homeowner's Association's
property, The Jurisdiction shall give the owner of the property within which the
drainage facility is located, and the person or agent in control of said property,
notice of the specific maintenance and/or repair required. The Jurisdiction shall
set a reasonable time in which such work is to be completed by the persons who
were given notice. If the above required maintenance and/or repair is not
completed within the time set by the Jurisdiction, written notice will be sent to the
persons who were given notice stating The jurisdiction's intention to perForm
such maintenance and bill the owner for all incurred expenses. The Jurisdiction
may also revoke storm water utility credits for the quality component or invoke
surcharges to the quantity component of the Homeowner's Association if
required maintenance is not performed.
(2) If at any time The Jurisdiction determines that the existing system creates any
imminent threat to public health or welfare, the Jurisdiction may take immediate
measures to remedy said threat. No notice to the persons listed in (1), above,
shall be required under such circumstances.
(3) The Homeowner's Association grants unrestricted authority to The
Jurisdiction for access to any and all storm water system features for the
purpose of perForming maintenance or repair as may become necessary under
Remedies (1) and/or (2).
(4) The persons listed in (1). above, shall assume all responsibly for the cost of any
maintenance and/or repairs to the storm water facility. Such responsibility shall
include reimbursement to The Jurisdiction within 30 days of the receipt of the
invoice for any such work performed. Overdue payments will require payment or
interest at the current legal rate for liquidated judgments. If legal action ensues,
any costs or fees incurred by The Jurisdiction will be borne by the parties
responsible for said reimbursements. �
5
(5) The Homeowner's Association hereby grants to The Jurisdiction a lien
against the above-described property in an amount equal to the cost incurred by
The Jurisdiction to perform the maintenance or repair work described herein.
This Agreement is intended to protect the value and desirability of the real property
described above and to benefit all the citizens of The Jurisdiction. It shall run with
the land and be binding on all parties having or acquiring from The Homeowner's
Association or their successors any right, title, or interest in the property or any part
thereof, as well as their title, or interest in the property or any part thereof, as well as
their heirs, successors, and assigns. They shall inure to the benefit of each present
or future successor in interest of said property or any part thereof, or interest therein,
and to the benefit of all citizens of The Jurisdiction.
Owner
Owner
Dated this day of ,
Public Works Director, City of Yelm
6
STATE OF WASHINGTON )
)ss
COUNTY OF THURSTON )
On this day and year above personally appeared before me,
and known to be the individual(s) described, and who executed
the foregoing instrument and acknowledge that they signed the same as their free
and voluntary act and deed for the uses and purposes therein mentioned.
Given under my hand and official seal this day of , 2008.
Notary Public in and for the
State of Washington, residing in
Dated at , Washington, this day of ,
2008.
STATE OF WASHINGTON )
)ss
COUNTY OF THURSTON )
On this day and year above personally appeared before me,
, who executed the foregoing instrument and acknowledge
the said instrument to be the free and voluntary act and deed of said for the uses
and purposes therein mentioned and on oath states he is authorized to execute the
said instrument.
Given under my hand and official seal this day of , 2008.
Notary Public in and for the
State of Washington, residing in
APPROVED AS TO FORM:
7
ATTACHMENT A
MAINTENANCE PROGRAM
COVER SHEET
Inspection Period:
Number of Sheets Attached:
Date Inspected:
Name of Inspector:
Inspector's Signature:
8
MAINTENANCE CHECKLISTS
INSTRUCTIONS
The following pages contain maintenance needs for most of the components that are part of
your drainage system as well as for some components that you may have. Let us know if
there are any components that are missing from these pages. Ignore the requirements that
do not apply to your system. You should plan to complete a checklist for all system
components on the following schedule:
(1) Monthly from November through April.
(2) Once in late summer(preferably September).
(3) After any major storm (use 1 - inch in 24 hours as a guideline),
items marked "S" only.
Using photocopies of these pages, check off the problems you looked for each time you did
an inspection. Add comments on problems found and actions taken. Keep these "checked"
sheets in your files, as they will be used to write your annual report (due in May). Some
items do not need to be looked at every time an inspection is done. Use the suggested
frequency at the left of each item as a guideline for your inspection.
You may call the jurisdiction for technical assistance. Please do not hesitate to call,
especially if you are unsure whether a situation you have discovered may be a problem.
Key
A=Annual (March or April preferred)
M=Monthly (see schedule)
S=After major storms
9
ATTACHMENT "A" (CONTINUED)
Maintenance Checklist for Closed Detention Systems (PipeslTanks)
Frequency Drainage System Problem Conditions to Check For Conditions That Should
Feature ✓ Exist
M Storage area Plugged One-half of the end area of a vent is Vents free of debris and
(pipe tank) air vents blocked at any point with debris and sediment.
(small pipe sediment. Plugged vent can cause
that storage area to collapse.
connects
catch
basin to
storage
pipe)
M Debris and Accumulated sediment depth exceeds All sediment and debris
sediment 15% of diameter. Example: 72-inch removed from storage
storage tank would require cleaning when area. Contact City
sediment reaches depth of 10 inches. Public Works for
guidance on sediment
removal and dis osal.
A Joints Any crack allowing material to leak into All joints between
between faciliry. tank/pipe sections are
tank/pipe sealed.
section
A Tank/pipe Any part of tank/pipe is noticeably bent of Tank/pipe repaired or
bent out of shape. replaced to design.
shape. Contact a professional
en ineer for evaluation.
M,S Manhole Cover not Cover is missing or only partially in place. Manhole is closed.
in lace. An o en manhole re uires maintenance.
A Locking Mechanism cannot be opened by one Mechanism opens with
mechanis maintenance person with proper tools. proper tools.
m not Bolts into frame have less than 1/2-inch of
workin . thread ma not a I to seif-lockin lids .
A Cover One maintenance person cannot remove Cover can be removed
difficult to lid after applying 80 pounds of lift. Intent and reinstalled by one
remove. is to keep cover from sealing off access to maintenance person.
maintenance.
A Ladder Maintenance person judges that ladder is Ladder meets design
rungs unsafe due to missing rungs, standards and allows
unsafe misalignment,rust,or cracks. maintenance persons
safe access.
If you are unsure whether a problem exists,please contact Jurisdiction and ask for technical assistance.
Comments:
10
ATTACHMENT "A" (CONTINUED)
Maintenance Checklist for Energy Dissipators
Frequency Drainage System Problem Conditions to Check For Conditions That
Feature Should Exist
A Rock Pad Missing or Only one layer of rock exists above Replace rocks to
moved rock native soil in area 5 square feet or design standards
lar er,or an ex osure of native soil.
A Rock-filled trench Missing or Trench in not full of rock. Vents free of debris
for discharge from moved rock and sediment.
ond
M Dispersion trench Pipe plugged Accumulated sediment that exceeds Pipe cleaned/flushed.
with 20%of the design depth.
sediment
M Perforations Over '/: of perforations in pipe are Clean or replace
lu ed lu ed with debris and sediment. erforated i e.
M,S Not Visual evidence of water discharging at Trench must be re-
discharging concentrated points along trench designed or re-built to
water (normal condition is a "sheet flovd' of standard. Elevation of
properly water along trench). Intent is to prevent lip of trench shouid be
erosion damage. the same(flat)at all
oints.
M,S Water flows Maintenance person observes water Facility must be re-
out top of flowing out during any storm less than built or re-designed to
"distributo�" the design storm or it is causing or standards. Pipe is
catch basin appears likely to cause damage. probably plugged or
damaged and needs
re lacement.
M,S Receiving Water in receiving area is causing or Stabilized slope with
area over- has potential of causing landslide. grass or other
saturated. vegetation, or rock if
condition is severe.
If you are unsure whether a problem exists,please contact Jurisdiction and ask for technical assistance.
Comments:
11
ATTACHMENT "A" (CONTINUED)
Maintenance Checklist for Catch Basins and Inlets
Frequency Drainage Problem Conditions to Check For Conditions That
System ✓ Should Exist
Feature
M,S General Trash, Trash or debris in front of the catch basin No trash or debris
debris,and opening is blocking capacity by more located
sediment in than 10%. immediately in
or on basin front of catch
basin opening.
Grate is kept
clean and allows
water to enter.
M Sediment or debris(in the basin)that No sediment or
exceeds 1/3 the depth from the bottom debris in the
of basin to invert of the lowest pipe into catch basin.
or out of the basin. Catch basin is
dug out and
clean.
M,S Trash or debris in any inlet or pipe Inlet and outlet
blocking more than 1/3 of its height. pipes free of trash
or debris.
M Structural Comer of frame extends more than'/< Frame is even
damage to inch past curb face into the street(if with curb.
frame applicable).
and/ortop
slab
M Top slab has holes larger than 2 square Top slab is free of
inches or cracks wider than Y.inch holes and cracks.
(intent is to make sure all material is
runnin into the basin .
M Frame not sitting flush on top slab,i.e., Frame is sitting
separation of more than'/.inch of the flush on top slab.
frame from the to slab.
A Cracks in Cracks wider than'/z inch and longer Basin replaced or
basin than 3 feet,any evidence of soil particles repaired to design
walls/botto entering catch basin through cracks,or standards.
m maintenance person judges that Contract a
structure is unsound. professional
engineer for
evaluation.
A Cracks wider than'/z inch and longer No cracks more
than 1 foot at the joint of any inleUoutlet than'/,inch wide
pipe or any evidence of soil particles at the joint of
enterin catch basin throu h cracks. inleUoutlet i e.
A Settlement/ Basin has settled more than 1 inch or Basin replaced or
misalignme has rotated more than 2 inches out of repaired to design
nt alignment. standards.
Contact a
professional
engineer for
evaluation.
M,S Fire hazard Presence of chemicals such as natural No color,odor,or
or other gas,oil,and gasoline. Obnoxious color, sludge. Basin is
pollution odor,or sludge noted. dug out and
clean.
M,S Outlet pipe Vegetation or roots growing in inleUoutlet No vegetation or
is clogged pipe joints that is more than six inches root growth
with tall and less than six inches apart. present.
ve etation
If you are unsure whether a problem exists,please contact Jurisdiction and ask for technical assistance.
12
ATTACHMENT "A" (CONTINUED)
Maintenance Checklist for Gates
Frequenc Drainage Problem Conditions to Check For Conditions That
y System ✓ Should Exist
Feature
M Damaged or Gate is broken,jammed,or missing. Pond has a functioning
missing gate to allow entry of
components people and maintenance
equipment such as
mowers and backhoes.
If a lock is used, make
sure City Stormwater
Section field staff have a
ke .
M Broken or missing hinges such that Hinges intact and lubed.
gate cannot be easily opened and Gate is working freely.
closed b a maintenance erson.
A Gate is out of plumb more than 6 Gate is aligned and
inches and more than 1 foot out of vertical.
desi n ali nment.
A Missing stretcher bar, stretcher Stretcher bar, bands,
bands,and ties. and ties in lace.
If you are unsure whether a problem exists,please contact the Jurisdiction and ask for technical assistance.
Comments:
13
ATTACHMENT "A" (CONTINUED)
Maintenance Checklist for Access Roads/Easements
Frequen Drainage Problem Conditions to Check For Conditions
cy System That Should
Feature Exist
One Generai No access road if ponds or other drainage system Determine
Time exists features needing maintenance by whether an
motorized equipment are present, easement to
either an access road or access drainage
form public streets is required. feature exists.
If yes,obtain
City permits
and construct
gravel(or
equal)access
road. If not,
report lack of
easement to
Ci attention.
M Biocked roadway Debris which could damage Roadway free
vehicfe tires(glass or metal). of debris
which could
dama e tires.
A Any obstructions which reduce Roadway
clearance above road surface to overhead
less than 14 feet. clear to 14
feet hi h.
A Any obstructions restricting the Construction
access to less than 15 feet width. removed to
allow at least
a 15-foot-wide
access.
A,S Road Settlement, When any surface defect exceeds Road surface
Surface potholes,mush 6 inches in depth and 6 square uniformly
spots,ruts feet in area. In general,any smooth with
surface defect which hinders or no evidence of
prevents maintenance access. settlement,
potholes,
mush spots,
or ruts.
Occasionally
application of
additional
gravel or pit-
run rock will
be needed.
M Vegetation in road Woody growth that could block Remove
surface vehicular access. Excessive weed woody growth
cover. at early stage
to prevent
vehicular
blockage. Cut
back weeds if
they begin to
encroach on
road surface.
M,S Shoulders Erosion damage Erosion within 1 foot of the Shoulder free
and roadway more than 8 inches wide of erosion and
ditches and 6 inches deep. matching the
surrounding
road.
If you are unsure whether a problem exists,please contact Jurisdiction and ask for technical assistance.
14
ATTACHMENT "A" (CONTINUED)
Maintenance Checklist for Ponds
Frequency Drainage Problem Conditions to Check For Conditions That Should
System Exist
Feature
M,S General Trash&debris Dumping of yard waste such Remove trash &debris
build-up in pond. as grass clippings and branches and dispose as pre-scribed
into basin. Unsightly accumulation by City Waste Management
of non-degradable materials such Section.
as glass, plastic, metal, foam and
coated paper.
M Poisonous Any poisonous vegetation in Remove poisonous
vegetation which may constitute a hazard to vegetation. Do not spray
the public. Examples of poisonous chemicals on vegetation
vegetation include: tansy ragwort, without obtaining guidance
poison oak, stinging nettles, devils from the Cooperative
club. Extension Service and
approval from the Ci .
M,S Fire hazard or Presence of chemicals such Find sources of
pollution as natural gas, oil, and gasoline, pollution and eliminate
obnoxious color, odor, or sludge them. Water is free from
noted. noticeable color, odor, or
contamination.
M Grass not growing For grassy ponds, grass cover Grass cutting
or is overgrown. is sparse and weedy or is unnecessary unless dictated
overgrown. by aesthetics.
M Rodent holes Any evidence of rodent holes if Rodents destroyed and
facility is acting as a dam or berm, dam or berm repaired.
or any evidence of water piping Contact the Thurston
through dam or berm via rodent County Health Department
holes. for guidance.
M Insects When insects such as wasps Insects destroyed or
and hornets interfere with re-moved from site. Contact
maintenance activities, or when Cooperative Extension
mosquitoes become a nuisance. Service for guidance.
A Tree growth Tree growth does not allow Trees do not hinder
maintenance access or interteres maintenance activities.
with maintenance activiry (i.e.,
slope mowing, silt removal, or
equipment movements). If trees
are not interfering with access,
leave trees alone.
M Side slopes Erosion on berms Check around inlets and Find causes or erosion
of pond or at entrance/exit outlets for signs of erosion. Check and eliminate them. Then
berms for signs of sliding or settling. slopes should be stabilized
Action is needed where eroded by using appropriate erosion
damage over 2 inches deep and control measure(s): e.g.,
where there is potential for rock reinforcement, planting
continued erosion. of grass,compaction.
M Storage area Sediment buildup Accumulated sediment that Sediment cleaned out
in pond exceeds 10% of the designed pond to designed pond shape and
depth. Buried or partially buried depth; pond re-seeded if
outlet structure probably indicates necessary to control
si nificant sediment de osits. erosion.
A Emergency Water obstructer Debris block outlet. Remove debris.
overFlow
If you are unsure whether a problem exists,please contact the jurisdiction and ask for technical assistance.
Comments:
15
ATTACHMENT "A" (CONTINUED)
Maintenance Checklist for Infiltration Systems
Frequency Drainage Problem Conditions to Check For Conditions That Should
System Exist
Feature
M,S General Trash&debris See Maintenance Checklist for See Maintenance
buildu in ond Ponds. Checklist for Ponds.
M Poisonous See Maintenance Checklist for See Maintenance
ve etation Ponds. Checklist for Ponds.
M,S Fire hazard or See Maintenance Checklist for See Maintenance
ollution Ponds. Checklist for Ponds.
M Vegetation not See Maintenance Checklist for See Maintenance
growing or is Ponds. Checklist for Ponds.
over rown
M Rodent holes See Maintenance Checklist for See Maintenance
Ponds. Checklist for Ponds.
M Insects See Maintenance Checklist for See Maintenance
Ponds. Checklist for Ponds.
A Storage area Sediment A soil texture test indicates Sediment is removed
buildup in facility is not working at its designed and/or facility is cleaned so
system capabilities or was incorrectly that infiltration system works
designed. according to design. A
sediment trapping area is
installed to reduce sediment
transport into infiltration
area.
A Storage area A soil texture test indicates Additional volume is
drains slowly facility is not working at its designed added through excavation to
(more than 48 capabilities or was incorrectly provide needed storage.
hours)or designed. Soil is aerated and rototilled
overflows to improve drainage.
Contact the Ciry for
information on its
requirements regarding
excavation.
M Sediment Any sediment and debris filling Clean out sump to
trapping area area to 10%of depth from sump design depth.
bottom to bottom of outlet pipe or
obstructing flow into the connector
i e.
One Time Sediment Storm water enters infiltration Add a trapping area by
trapping area not area directly without treatment. constructing a sump for
present settling of solids. Segregate
settling area from rest of
facility. Contact City for
uidance.
If you are unsure whether a problem exists,please contact the jurisdiction and ask for technical assistance.
Comments:
16
ATTACHMENT "A" (CONTINUED)
Maintenance Checklist for Fencing/Shrubbery Screen/Other Landscaping
Frequency Drainage Problem Conditions to Check For Conditions That
System Should Exist
Feature
M General eeds Weeds growing in more than 20%of Weeds present in
nonpoisonous) the landscaped area(trees and shrubs less than 5%of the
onl . landsca ed area.
M Safety hazard Any presence of poison ivy or other No poisonous
poisonous vegetation or insect nests. vegetation or insect nests
present in landscaped
area.
M,S Trash or litter See Ponds Checklist. See Ponds
Checklist.
M,S Erosion of Noticeable rills are seen in Causes of erosion
ground landscaped areas. are identified and steps
surface taken to slow
down/spread out the
water. Eroded areas are
filled,contoured,and
seeded.
A Trees and Damage Limbs or parts of trees or shrubs Trim tree/shrubs to
shrubs that are split or broken which affect more restore shape. Replace
than 25%or the total foliage of the tree or trees/shrubs with severe
shrub. dama e.
M Trees or shrubs that have been Replant tree,
blown down or knocked over. inspecting for injury to
stem or roots. Replace if
severel dama ed.
A Trees or shrubs which are not Place stakes and
adequately supported or are leaning over, rubber-coated ties around
causing exposure of the roots. young trees/shrubs for
su ort.
if you are unsure whether a problem exists,please contact the Jurisdiction and ask for technical assistance.
Comments:
17
ATTACHMENT "A" (CONTINUED)
Maintenance Checklist for Conveyance Systems(Pipes, Ditches,and Swales)
Frequency Drainage Problem Conditions to Check For Conditions That
System Should Exist
Feature
M,S Open Trash& Dumping of yard wastes such as grass Remove trash and
ditches debris clippings and branches into basin. Unsightly debris.
accumulation of non-degradable materials
such as glass,plastic,metal,foam and
coated a er.
M Sediment Accumulated sediment that exceeds Ditch cleaned of all
buildup 20%of the design depth. sediment and debris so
that is matches desi n.
M Erosion See Ponds Checklist. See Ponds
damage to Checklist.
slo es
A Rock lining Maintenance person can see native soil Replace rocks to
out of place or beneath the rock lining. design standard.
missing(if
a licable
Varies Catch See Catch Basins Checklist. See Catch Basins
basins Checklist.
M,S Swales Trash& See above for Ditches. See above for
debris Ditches.
M Sediment See above for Ditches. Vegetation may need
buildup to be replanted after
cleanin .
M Vegetation not Grass cover is sparse and weedy or Aerate soils and
growing or areas are overgrown with woody vegetation. reseed and mulch bare
overgrown areas. Maintain grass
height at a minimum of 6
inches for best storm
water treatment. Remove
woody growth,recontour,
and reseed as necessa .
M,S Erosion See Ponds Checklist. See Ponds
damage to Checklist.
slo es
M Conversion by Swale has been filled in or blocked by If possible,speak
home-owner shed,woodpile,shrubbery,etc. with homeowner and
to request that swale area
incompatible be restored. Contact City
use to report problem if not
rectified voluntaril .
A Swale does Water stands in swale or flow velocity A survey map may
not drain is very slow. Stagnation occurs. be needed to check
grades. Grades need to
be in 1-5%range if
possible. If grade is less
than 1%,underdrains may
need to be installed.
If you are unsure whether a problem exists,please contact the jurisdiction and ask for technical assistance.
Comments:
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ATTACHMENT "A" (CONTINUED)
Maintenance Checklist for Grounds(Landscaping)
Frequency Drainage Problem Conditions to Check For Conditions That Should
System Exist
Feature
M General Weeds Weeds growing in more than 20%of Weeds present in less
(nonpoisono the landscaped area(trees and shrubs than 5%of the landscaped
us onl . area.
M Safety Any presence of poison ivy or other No poisonous vegetation
hazard poisonous vegetation or insect nests. or insect nests present in
landsca ed area.
M.S Trash or See Ponds Checklist. See Ponds Checklist.
litter
M,S Erosion of Noticeable rilis are seen in Causes of erosion are
ground landscaped areas. identified and steps taken to
surface slow down/spread out the
water. Eroded areas are filled,
contoured,and seeded.
A Trees and Damage Limbs or parts of trees or shrubs Trim tree/shrubs to restore
shrubs that are split or broken which affect more shape. Replace trees/shrubs
than 25%or the total foliage of the tree or with severe damage.
shrub.
M Trees or shrubs that have been Replant tree,inspecting
blown down or knocked over. for injury to stem or roots.
Re lace if severel dama ed.
A Trees or shrubs which are not Place stakes and rubber-
adequately supported or are leaning over, coated ties around young
causin ex osure of the roots. trees/shrubs for su ort.
If you are unsure whether a problem exists,please contact the jurisdiction and ask for technical assistance.
Comments:
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ATTACHMENT B
POLUTION SOURCE CONTROL PROGRAM
Purpose
Many products and practices commonly used in and around the home are hazardous to both
the environment and us. Many of these products can end up in our stormwater systems and
groundwater. This document gives alternatives, where possible, for those types of products
and practices. The Best Management Practices (BMPs) described here include "good
housekeeping" practices that everyone can use.
Pollution Control Practices
Of particular concern are drives and parking areas. Because of heavy vehicle usage, the
concentration of oil and grease in stormwater may exceed the Ecology guidelines of 10 mg/I.
Although there are no local data to confirm this view, limited research in the San Francisco
Bay area found the mean concentration of oil and grease in stormwater to exceed 10 mg/I.
The following actions shall be taken to ensure that pollution generated onsite shall be
minimized:
• Sediment removed from basins, ponds, and swales shall be disposed of in a proper
manner. Contact the local governing jurisdiction for inspection prior to completing this
task.
• No activities shall be conducted onsite that are likely to result in short-term, highly
concentrated discharge of pollution to the stormwater system. Such activities may
include, but are not limited to, heavy vehicle maintenance, and cleaning of equipment
used in the periodic maintenance of buildings and paved surfaces.
Ideas will help you reduce the risks of stormwater and groundwater contamination from
many household products.
1. Read product labels before purchasing. Toxic product labels will carry many
warnings. Either bypass such products or purchase in small quantities. If you cannot
use the entire product, try to give it away instead of disposing of it. Thurston County
periodically facilitates product exchanges for leftover paints and other hazardous
wastes. Call the Thurston County Health Department at (360) 754-41 11 for more
information.
2. Buy only those detergents that contain little or no phosphorus. Phosphorus can
cause algae blooms if washed into lakes or streams. Most detergents that are low in
phosphates or phosphate free are labeled as such.
3. Use no more than the manufacturer's suggested amount of any cleanser. More is not
necessarily better.
4. Products such as oven cleanser, floor wax, furniture polish, drain cleaners and spot
removers often contain toxic chemicals. Buy the least toxic product available or use a
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non- toxic substitute if one can be found. For example, ovens can be cleaned by
applying table salt to spills then scrubbing with a solution of baking soda and water.
Table 2 lists substitutes for many commonly used household products.
If it is necessary to use a product that contains toxic chemicals, use the product only
as directed. Do not combine products, as they may become more dangerous when
mixed (e.g., mixing chlorine bleach and ammonia produces dangerous gases). Use
eye protection and rubber gloves as appropriate.
Contact the Hazardous Substance Hotline at 1-800-633-7585 if you have any
questions regarding disposal of a product or empty container. The County has both
hazardous waste collection days and permanent facilities where residents can bring
hazardous wastes. Catl the Thurston County Health Department at (360) 754-4111
for more information.
5. Chemicals left over from activities, such as photography and auto repair, are
hazardous and should not be flushed down the sink. This is especially important if
your home or business is hooked up to a septic system. Toxic chemicals can kill the
beneficial bacteria in the tank used to treat sewage and can pollute water supply
wells.
6. Be sure all containers are clearly labeled.
7. Common batteries (not automobile) are one of the largest sources of heavy metals
(such as lead, nickel, cadmium and mercury)found in landfills. Instead of throwing
them away, dispose of them at a hazardous waste collection site.
AUTOMOTIVE USAGE,CARE AND MAINTENANCE
From a waste management standpoint, automobile maintenance is best done by
professionals at facilities designed to handle, store and dispose of the waste products
properly. Many of these facilities do an excellent job of dealing with waste oils, antifreezes,
other fluids, batteries and tires. They often charge a small fee to cover the added expenses,
but it's worth it. However, if you repair your car at home, please consider these helpful tips:
Pesticides and Fertilizers
Pesticides and fertilizers are commonly used in a quest for bigger, healthier plants and
greener, lusher lawns. These chemicals are often overused and misapplied. These
chemicals are easily introduced into stormwater runoff and can cause algae blooms
(fertilizers) or kill off aquatic organisms (pesticides).
FERTILIZER MANAGEMENT
Fertilizing a lawn can be done in an environmentally sensitive manner. Here are some ideas.
1. Before fertilizing, test your soil's pH by using a readily available kit or through tests
provided by WSU Cooperative Extension. Use only the recommended amount of
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fertilizer and any soil amendments, such as lime, that are recommended in your test
results.
2. Use fertilizers that are appropriate for your area and for the types of plants you are
growing. Work the fertilizer into the soil directly around the plant's drip line. By
incorporating the fertilizer in the soil, there will be less likelihood of contaminated
runoff. Contact the Thurston Conservation District for more information.
3. Water before fertilizing. Water enough to dampen the ground thoroughly but not
enough to cause surFace runoff. Dampening the soil prevents fertilizer from being
washed from the surface of dry soil in the first rain or watering after application.
4. Many soils can benefit from the use of organic fertilizers such as compost or peat.
Not only do these substances add nutrients to soil; they also increase the porosity of
the soil and increase its ability to hold water.
5. Slow release fertilizers (which are generally resincoated) can be used in addition to
organic fertilizers. They are not mobile in the soil and are applied only once.
INTEGRATED PEST MANAGEMENT
Rather than bringing out the sprayer whenever a pest infestation occurs in the garden,
consider using Integrated Pest Management (also known as IPM). IPM emphasizes the
evaluation of all factors including environmental effects before chemicals are applied.
Pesticides should only be used as a last resort. Some of the tactics that can be used to
decrease or eliminate the use of pesticides include:
1. Use of Natural Predators or Pathogens: Because chemical sprays generally kill many
beneficial insects instead of just the target pest, it may be necessary to introduce
natural predators back into the garden. Ladybugs, lacewings, predatory wasps and
nematodes are all commercially available. Garter snakes and toads are also
predators and should not be eliminated from the garden.
There are some bacteria, viruses and insect parasites that are specific to pests and
will not harm other insects or animals. A commonly used bacterium in the Puget
Sound area is Bacillus thuringiensis (Bt), which is intended to control infestations of
tent caterpillars. Products containing Bt are available at your nursery. As used here,
the word pesticide can mean any herbicide, insecticide, rodenticide, miticide or other
types of chemicals used in the same manner. Many pesticides bind to soil particles
and can be easily carried into a stream or storm drain.
5. Pesticides should be stored well away from living areas. Ideally, the storage area
should have a cement floor and be insulated from temperature extremes. Always
keep pesticides in their original containers with labels in tact. Labels often corrode
and become illegible in this climate and may have to be taped onto the container.
6. Federal law now requires that all pesticides be labeled with the appropriate disposal
method. Leftovers should never be dumped anywhere, including a landfill. Take
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unwanted pesticides to the advertised collection site on the County's hazardous
waste collection days or to Hazo House at the landfill.
7. Empty containers should be triple-rinsed and the rinse water used as spray. Once
containers are triple-rinsed, they are not considered hazardous waste and may be
disposed of in most landfills. However, call your local landfill before putting the
container in the garbage.
8. If a pesticide is spilled onto pavement, it can be absorbed using kitty litter or sawdust.
The contaminated absorbent should be bagged, labeled and taken to Hazo House.
9. If the pesticide is spilled onto dirt, dig up the dirt, place it in a plastic bag and take it to
Hazo House. .
10. Many pest control companies and licensed applicators have access to pesticides that
are more toxic than those available to the consumer. Check with the company before
they spray indoors or outdoors to find out what spray they will be using and what
precautions, if any, are necessary after the operator leaves.
Remodeling
Remodeling uses some of the most toxic substances found in the home. Paints,
preservatives, strippers, brush cleaners and solvents all contain a wide range of chemicals,
some of which are suspected to be carcinogenic (cancer causing). These products should
never be dumped in a landfill or put down a sewer or septic system.
1. When building a deck consider using wood or wood alternatives such as recycled
woodlplastic decking instead of concrete. Wood decking allows rainwater to drip onto
the ground below, keeping it from becoming surface runoff
2. Decks and sidewalks can also be built out of brick interlocking pavers or modular
concrete. If these surfaces are placed on a bed of welldrained soil gravel or sand,
rainwater can infiltrate into the ground around them.
3. To reduce disposal problems, buy only the needed amount. Used turpentine or brush
cleaner can be filtered and reused. Paint cans should be allowed to dry and then be
disposed of during a hazardous waste collection day or at Hazo House.
4. Leftover paint can be given away, for example to a theater group. Contact the
Thurston County Health Department at (360) 754-4111 for other options.
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COST ESTIMATE FOR MAINTENANCE
McKENZIE MEADOWS ROAD PLAT
Monthly mowing of infiltration pond: 4 Hours/month
6 months/year X 4 hours/month X $15.00/hour= 360
Annual maintenance of pipes & catch basins = 2 000
General annual cleanup of pavement and other drainage surfaces = 1 000
TOTAL ESTIMATED ANNUAL MAINTENANCE COST= $3,36Q
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