Abbreviated Drainage and Erosion ControlDC~R C14E~i'rA9~, ~1-~C.
CFt1~S~AL SP~!lVGS S!-@E"~~~' ~'~A~'
~1 ~ CF~1rS'!'A!. SPRINGS S'~'~EE'~', SE
YE~M, ~A ~~.~~7'
A~~RE.'~lA~'ED
DRA!lVAGE AND El~OSlA~I CGff+~7'RG~.
~LEPGR`T
Octo6~er ?~, X005
~~
c r 3 ~ 2005
MC SQ~A~tED, lIHC.
1235 E. 4T" AVENUE, SUITE 101
OL~(MPIA, WA 98506
CRYSTAL SPRINGS SHORT PLAT YELM WA ABBREVIATED REPORT
PROJECT INFORMATION
Project:
Prepared:
Prepared For:
Contact:
REVIEWING AGENCY
Jurisdiction:
Project Number:
Project Contact:
PROJECT ENGINEER
CRYSTAL SPRINGS SHORT PLAT, YELM, WA
October 28, 2005
DGR CAPITAL, INC.
PO BOX 5380
LACEY, WA 98597
360-239-0146
Milce ICempinslci
City of Yelm
Jiin Gibson
Prepared By: MC Squared, Inc.
1235 E. 4`~' Avenue Suite 101
Olympia, WA 98506
PH. 360-754-9339
FAX 360-352-2044
Project Contact: Marls J. Leingang, PE
Project Number: 25623
File Name/Number: m:projects/lcempinski/civil/documents
PROJECT ENGINEER'S CERTIFICATION
I hereby certify that this Abbreviated Drainage Report for the Crystal Springs Short Plat in Yelm,
WA has been prepared by me or under by supervision and meets the intent of the City of Yelm
Development Guidelines unless noted otherwise, and normal standards of engineering practice. I
understand that the City of Yelm does not and will not assume liability for the sufficiency,
suitability, or performance of drainage facilities designed for this development.
MC Squared, Inc.
10/28/2005
[-EXPIRES: _______.-~
1
CRYSTAL SPRINGS SHORT PLAT YELM WA ABBREVIATED REPORT
Table of Contents
Part I Drainage Report
SECTION 1 - EXISTING CONDITIONS
SECTION 2 - PROJECT DESCRIPTION
SECTION 3 - INFILTRATION RATES/SOILS REPORT 5
SECTION 4 - WELLS & SEPTIC SYSTEMS 5
SECTION 5 - FUEL TANI{S 6
SECTION 6 - SUB-BASIN DESCRIPTION 6
SECTION 7 - ANALYSIS OF 100-YEAR FLOOD 6
SECTION 8 - AESTHETIC CONSIDERATIONS FOR STORMWATER FACILITIES 6
SECTION 9 - DOWNSTREAM CONSIDERATIONS 6
SECTION l0 - COVENANTS, DEDICATIONS, EASEMENTS 6
SECTION 11 - PROPERTY OWNERS ASSOCIATION ARTICLES OF INCORPORATION 7
Parl II Erosion Control Report
SECTION 1 - CONSTRUCTION SEQUENCE AND PROCEDURE 8
SECTION 2 - TRAPPING SEDIMENT 8
SECTION 3 - PERMANENT EROSION CONTROL & SITE RESTORATION 9
SECTION 4 - GEOTECHNICAL ANALYSIS AND REPORT 9
SECTION 5 - INSPECTION SEQUENCE 9
SECTION 6 - CONTROL OF POLLUTANTS OTHER TRAN SEDIMENTS 9
Part III Mai~zteixance Plan
SECTION 1 - REQUIRED MAINTENANCE 12
SECTION 2 - RESPONSIBLE ORGANIZATION NA
SECTION 3 - VEGETATION MANAGEMENT PLAN NA
SECTION 4 - SOURCE CONTROL NA
Appendices
Appendix I Drainage Calculations
Appendix II SCS Soils Excerpts/ Soils Map and Description
Appendix III Vicinity Map
Appendix IV Maintenance Information
Appendix V Thurston County GeoData Query Results (Excerpt)
Appendix VI Drainage and Erosion Control Plan
MC Squared, Inc.
10/28/2005 2
CRYSTAL SPRINGS SHORT PLAT YELM WA ABBREVIATED REPORT
The format of this report follows the outline provided in the Drainage Design and Erosion
Control Manual (DDECM) for Thurston County. DOE Standards have been used for the design,
however.
SECTION 1 -EXISTING CONDITIONS
The 0.58-acre site is located within the City of Yelm, at the corner of Crystal Springs Street and
Mountain Aire Lane. The site is currently has a single residence, aild will be divided such that
two lots fronting Mountain Aire Lane are available for residences. Currently, the site is cleared.
and has recently been surveyed for this short plat.
There is no significant off-site flow tributary to the site; there are drainage ditches along the
Crystal Springs frontage. The amount of surface water in the ditches is limited however because
the soils are very well drained gravels and sands. Soils on site are Spanaway gravelly sandy loam
according to the Thurston County Soil Survey published by the Soils Conservation Service. See
the soils information in appendix II.
There are existing paved roads along two sides of the property, and a fence to the south.
The project site is located in an aquifer sensitive area. The new system will need to provide
treatment of the runoff prior to infiltration on site. This project will. comply with the intent of the
stormwater treatment requirements of the City of Yelm development guidelines.
SECTION 2 -PROJECT DESCRIPTION
Project Proponent: DGR CAPITAL, INC.
PO BOX 5380
LACEY, WA 98597
360-239-0146
Milce Kempinski
Total Project Area: ±0.58 Acres
Site Address: 916 Crystal Springs Road SE
Yelin, WA 98597
Required Permits: Grading, utility, paving, building, plumbing, mechanical,
electrical, etc. for residential construction
Sec/Township/Range: NE'/4 NW'/4 Section 24, Township 17 North, Range 1 East,
W.M., Thurston County, WA
Zoning: R-6, Residential
The proponent proposes to add two residential lots and keep the existing residence. Frontage
improvements on Crystal Springs Road are to be included for this project.
MC Squared, Inc.
10/28/2005
CRYSTAL SPRINGS SHORT PLAT YELM WA ABBREVIATED REPORT
There will not be any new treatable impervious surface added. The residences will have concrete
driveways, which will sheet flow to grassed landscaping. The proponent will use sheet flow and
gravity to collect the stormwater. A series of pipes will convey the roof runoff to a sediment
control structure before discharge to an underground infiltration gallery below the new yards.
The site soils are very permeable, and landscape beds will be graded to allow water to run away
from the building. Low spots in the landscaping areas will be placed where small amounts of
clean runoff will be allowed to seep into the soil.
The frontage improvements for the project will channel flow from existing roads to existing
ditches.
Site development will be constructed in two phases. The first phase will include erosion control
measures, site clearing, and demolition of asphalt, grading, storm drainage improvements, and
underground utilities such as power, cable, water, sewer and telecommunications. The second
phase will include construction of the building, paving, site concrete work, landscaping,
pavement restoration, seal coating, and striping.
Site development will increase the total impervious area. Development will include creation of
approximately 800 square feet of driveway and parking, which is treatable impervious surface.
There will be approximately 800 square feet of perimeter landscaping, and building area
landscaping. The building will add approximately 4000 square feet acres of clean impervious
roof surface. This will increase the site's impervious area to approximately 0.11 acres. See
appendix I for further information. Note in the table below that the areas considered exceed the
0.61-acre area of the additional parcel for the addition. This excess is due to the additional area
for the addition on the existing site, and is included in our calculation. It is conservatively
calculated at approximately 0.07 acres.
Development Coverage Summary
Impervious Roof Area:
Impervious Paved/Concrete Area:
Landscaped or Pervious Area:
Totals
Existin Proposed
0.06 ac ±0.15 ac
0.01 ac ±0.02ac
0.51 ac +0.41 ac
±0.5 8 ac ±0.5 8 ac
A. stormwater Treatment
Since new impervious surface will be clean, it will not be treated prior to being sent to tl~e
sediment control structure and infiltration gallery. An exception to this will be the
driveways, which will be designed to sheet flow to grassed areas, which will act as bio-
filters prior to the water seeping into the ground. The sidewalks, which will be added as
part of the frontage improvements, will be handled by sloping it to the new landscaping
for infiltration. The existing roadway runoff will be chamieled to the curb line, and
drained to existing drainage ditches.
B. stormwater Storag_e~.
MC Squared, Inc.
10/28/2005 4
CRYSTAL SPRINGS SHORT PLAT YELM WA ABBREVIATED REPORT
Due to the excessively drained soils, the infiltration galleries will be sized to serve as
both detention and disposal. Both will occur on site. All stormwater runoff will be
infiltrated on site. There will not be a stormwater release offsite. See the calculations in
appendix I for infiltration gallery sizing. They were sized for the 100 year storm event.
C. Roof Runoff:
Roof runoff from the proposed homes will be tight lined to infiltration galleries for
infiltration. 100% of the roof runoff will be sent to the infiltration galleries. The roof
leaders will not be combined with the runoff from the proposed parking.
D. Landscape Area:
In general, landscape area runoff will sheet flow to low areas in the plantings for
infiltration iii the site's well-drained, permeable soils. Soiree areas adjacent to the
buildings may require yard drains to collect runoff for discharge to the infiltration trench
system mentioned above for roof drains. This would be determined by the final home
designs.
SECTION 3 -INFILTRATION RATES/SOILS REPORT
MC Squared, Inc. researched the site soils to determine if the site was suitable for on site
infiltration of stormwater runoff. The Soil Conservation Service (SCS) soil survey of Thurston
County classifies the onsite soils as "Spanaway Gravelly Sandy Loam, 0 to 3 percent slopes".
An infiltration rate of greater than 12 inches per hour was possible once the depth of the
infiltration gallery exceeded 24". Therefore, it was found that the site soils are suitable for on
site infiltration.
A typical soil profile is described by SCS as follows:
"These deep, somewhat excessively drained soils are on terraces. It formed in glacial outwash
and volcanic ash.
For the soils infiltration report, soils logs, and the SCS soils description and map, see Appendix
II.
SECTION 4 -WELLS & SEPTIC SYSTEMS
The owner is aware of an existing well on-site. It will be decommissioned using the current
lawful procedures. Water service for the proposed project will be provided by the City of Yelin.
There also is a well approximately 200 feet south of the property. The owners will work with
their surveyor to locate the well as required by the City of Yelm.
The existing home has a STEP system that serves its sanitary sewer needs. No abandoned or
existing septic systems were identified on-site for the property utilized for the addition during
MC Squared, Inc.'s site investigation. The new homes sanitary sewer needs will be handled by
STEP systems. These systems will be designed and sized at 1500 gallons. They will be placed
in the yards between the homes and the northern edge of the property. Sewer service will be
MC Squared, Inc.
10/28/2005 5
CRYSTAL SPRINGS SHORT PLAT, YELM, WA ABBREVIATED REPORT
provided by the City of Yelm. There is a force main in Mountain Aire Lane and Crystal Springs
Road.
SECTION 5 -FUEL TANKS
No fuel tanks were located during our site inspection. The owner is not aware of any existing
tanks in the project area.
SECTION 6 -SUB-BASIN DESCRIPTION
The site is situated within the City of Yelm residential district.
The site is flat. Given the permeable soil, any runoff from adjacent properties is assumed to be
negligible. The other existing drainage conditions and systems are detailed in Section 1 -
Existing Conditions and are shown on Sheet C2.0 of the project civil engineering drawings,
(enclosed in Appendix VI).
No hazardous materials are expected to be handled or transported within the site other than
residential cleaning/maintenance products associated with housekeeping.
SECTION 7 -ANALYSIS OF 100-YEAR FLOOD
Preliminary research shows that the site is not in a 100-year flood hazard area.
SECTION 8 -AESTHETIC CONSIDERATIONS FOR STORMWATER FACILITIES
All pervious areas will be vegetated and landscaped to provide an aesthetically pleasing
environment per the requirements of the City. The project will incorporate landscaping on the
east side of Crystal Springs Road to meet City of Yelm landscape buffer requirements. There
also will be front yard landscaping for the residences. This landscaping will not adversely affect
the project. Given the soil drainage characteristics, general landscaping shrubs and native trees
should perform well in this envirorunent.
SECTION 9 -DOWNSTREAM CONSIDERATIONS
All runoff from the site will be infiltrated on site. There are not any downstream impacts
anticipated.
SECTION 10 -COVENANTS, DEDICATIONS, EASEMENTS
On-site storm lines, sediment control structures and roof drains will require routine maintenance.
A maintenance schedule is included in Part III of this report. The individual homeowner's will
maintain their residential roof piping systems and control structures.
MC Squared, Inc.
10/28/2005 6
CRYSTAL SPRINGS SHORT PLAT, YELM, WA ABBREVIATED REPORT
SECTION 11 -PROPERTY OWNERS ASSOCIATION ARTICLES OF
INCORPORATION
In light of the limited nature of this project, special covenants covering landscape, maintenance,
signage, stormwater and site maintenance will not be applicable. The individual homeowner's
will maintain their residential roof piping systems and control structures.
MC Squared, Inc.
10/28/2005
CRYSTAL SPRINGS SHORT PLAT, YELM, WA ABBREVIATED REPORT
SECTION 1 -CONSTRUCTION SEQUENCE AND PROCEDURE
Development of the property will include site grading and erosion control measures designed to
contain silt and soil within the project boundaries during construction until permanent erosion
control is in place. Erosion/sedimentation control will be achieved by a combination of
structural/vegetative cover measures and construction practices tailored to fit the site.
Best Construction Management Practices (BMPs) will be employed to properly demolish, clear
and grade the site and to schedule construction activities. Before any construction begins on-site,
erosion control facilities shall first be installed. The contractor shall refer to the erosion control
plans. The planned construction sequence is as follows:
1. Schedule preconstruction meeting with City.
2. Install temporary gravel construction entrance (as needed).
3. Install inlet protection for existing catch basins per Thurston County DDECM details 38
and 139 as shown on civil plans.
4. Install filter fabric fence (as needed).
5. Perform asphalt demolition, clearing, earthwork operations, and foundation excavation.
6. Install storm drainage improvements; install or relocate other utility lines.
7. Install inlet protection for all new on-site catch basins.
8. Hydroseed or cover all exposed areas subject to erosion, i.e., steep slopes, landscape
islands, etc.
9. Designate an area for washing of equipment aild concrete trucks to control wash down
runoff and eliminate entry into storm drainage systems.
10. Complete building and site improvements.
11. Remove temporary erosion control facilities once site landscaping is stabilized.
SECTION 2 -TRAPPING SEDIMENT
The on-site soils belong to the Spanaway soil group and have slight erosion potential according
to the SCS. If necessary, a stabilized construction entrance shall be installed at a single entry
point to the site to prevent vehicles from tracking soil away from the disturbed areas. If sediment
is tracked off-site, sediment shall, on a daily basis, be swept or shoveled from paved surfaces and
not washed into the storm system.
Unless the City inspector approves otherwise, the contractor shall not be allowed to leave
disturbed areas greater than 5,000 sf, that are to be left unworked for more than 30 days
uncovered during the rainy season from November 1 through March 31. Mulch, sodding or
plastic covering will be used to prevent erosion in these areas.
MC Squared, Inc.
10/28/2005
CRYSTAL SPRINGS SHORT PLAT, YELM, WA ABBREVIATED REPORT
During construction, the contractor may also be required to install filter fabric fencing, as
needed, and/or as directed by the engineer, or city inspector.
SECTION 3 -PERMANENT EROSION CONTROL & SITE RESTORATION
All disturbed areas will be paved, covered with a building or landscaped with ground
cover, shrubbery or trees.
SECTION 4 - GEOTECHNICAL ANALYSIS AND REPORT
A geo-technical engineering study was not prepared to address site work issues. No on-
site slopes exceed 15%. However, an infiltration test was conducted for stormwater infiltration
system design. Based on the SCS information and experience with this type of soil, standard
construction practices using appropriate erosion control BMPs should preclude migration of silts
and sediments offsite.
SECTION 5 -INSPECTION SEQUENCE
In addition to the normal City inspections, the Project Engineer shall inspect the facilities related
to stormwater treatment, erosion control, storage and conveyance during construction. At a
minimum, the following items shall be inspected at the time specified:
The erosion control facilities shall be inspected before the start of clearing and grading to
ensure the following structures are in place:
a. Construction Entrance (if installed)
b. Filter Fabric Fences (if installed)
c. Catch Basin Inlet Protection
2. The conveyance systems shall be inspected after construction of the facility, but before
the project is completed to ensure the following are in working order:
a. Parking Lot Surface Drainage
b. Storm Lines, Catch Basins and Yard Drains
The permanent site restoration measures shall be inspected after landscaping is
completed.
A final inspection shall be performed to verify final grades, setting of control structures and all
necessary information to complete Thurston County's Engineer's Construction Inspection Report
Form and Commercial Agreement to Maintain Stonnwater Facilities. These documents must be
completed prior to final City construction approval.
SECTION 6 -CONTROL OF POLLUTANTS OTHER THAN SEDIMENTS
Washout from concrete trucks shall not be dumped into the storm drain, or onto soil or
pavement, which carries stormwater runoff. It can be dumped into a designated area to be later
backfilled or hardened and broken up for disposal into a dumpster. The Contractor will be
required to designate a wash down area for equipment and concrete trucks.
MC Squared, Inc.
10/28/2005
CRYSTAL SPRINGS SHORT PLAT, YELM, WA ABBREVIATED REPORT
INSTRUCTIONS
The following pages contain maintenance needs for most of the components that are part of the
site drainage system. Advise the City of Yelm if there are any components that are missing from
these pages. Ignore the requirements that do ~.iot apply to the system. Plan to complete a
checklist for all system components on the following schedule:
1) Monthly from November through April.
2) Once in late summer (preferable September).
3) After any major storm (use 1" in 24 hours as a guideline).
Using photocopies of these pages, check off the problems you looked for each time an inspection
was performed. 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.
Call the City for technical assistance if needed.
MC Squared, Inc.
10/28/2005 10
CRYSTAL SPRINGS SHORT PLAT, YELM, WA ABBREVIATED REPORT
MAINTENANCE PROGRAM COVER SHEET
Inspection-Period:
Number of Sheets Attached:
Date Inspected:
Name of Inspector:
hlspector's Signature:
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10/28/2005 11
CRYSTAL SPRINGS SHORT PLAT, YELM, WA ABBREVIATED REPORT
SECTION 1-REQUIRED MAINTENANCE
The drainage facilities will require occasional maintenance. The following general requirements
are the minimum requirements as set forth in the Drainage Design and Erosion Control Manual
of Thurston County. The required maintenance for storm drainage facilities and frequency of
maintenance are as follows:
• Maintenance Checklists for Conveyance Systems (Pipes and Swales)
• Maintenance Checklists for Catch Basins and Inlets
• Maintenance Checklists for Infiltration Systems
• Maintenance Checklists for Grounds
MC Squared, Inc.
10/28/2005 12
APPENDIX 1
DRAINAGE CALCULATIONS
CRYSTAL SPRINGS SHORT PLAT, YELM, WA ABBREVIATED REPORT
DRAINAGE CALCULATII~NS
INFILTRATION GALLERY SIZING METHODS
- GALLERY SIZING CALCULATIONS
MC Squared, Inc.
10/28/2005 13
Calculation Summary for Infiltration Trenches:
Infiltration gallery sizing was conducted using the StormShed release 6.1.5.4 software by
Engenious Systems, Inc.
The 6 month-24hour, 2 year-24 hour, and 100 year-24 hour event was routed through
each proposed infiltration gallery. The gallery was sized using a void ratio of 35% and an
infiltration rate of 12 in/hr was used based on Spanaway gravelly sandy loam, 0 to 3
percent slopes (Type A/B Soils).
Calculations for the infiltration trench to receive runoff from the rooftop surfaces resulted
in a gallery 40-ft long, 2-ft wide, and 2-ft deep.
Calculations for the proposed rooftop infiltration trench are attached.
Soil data and classification was based on information obtained from the Soil Survey of
Thurston County, Washington by the Soil Conservation Service, which is also attached.
2
Rooftop Infiltration Trench Calculations
RLPCOMPUTE (Cntl Struct] SUMMARY
6mnth Match Q: 0.0033 cfs Peak Out Q: 0.0230 cfs -Peak Stg: 100.04 ft -Active Vol: 1.14 cf
2 yr Match Q: 0.0263 cfs Peak Out Q: 0.0321 cfs -Peak Stg: 100.42 ft -Active Vol: 11.72 cf
100 yr Match Q: 0.1167 cfs Peak Out Q: 0.0682 cfs -Peak Stg: 101.96 ft -Active Vol: 54.98 cf
DEPTH = 101.96 -100.00 = 1.96
Therefore, infiltration trench depth = 2.0 ft based on 100 year 24 hour event
Running M:\PROJECTS\Kemp'snski, Mike\25623.00 -Crystal Springs St. Short Plat\Civil\StrmShd
Calcs & Reports\Cntl Struct Report.pgm on Wednesday, October 26, 2005
Summary Report of all RLPooI Data
Project Precips
[2 yr] 2.80 in
[5 yr] 0.00 in
(10 yr] 0.00 in
[25 yr] 0.00 in
[100 yr] 6.15 in
[6mnth] 1.79 in
BASLIST2
[Existing] Using [TYPE1A] As [6mnth]
[Existing] Using [TYPE1A] As [2 yr]
[Existing] Using [TYPE1A] As [100 yr]
[Developed] Using [TYPE1A] As [6mnth]
[Developed] Using [TYPE1A] As [2 yr]
[Developed] Using [TYPE1A] As [100 yr]
LSTEN D
BasinlD Peak Q Peak T Peak Vol Area Method Raintype Event
------- (cfs) (hrs) (ac-ft) ac /Loss
Existing 0.0066 8.50 0.0058 0.16 SBUH/SCS TYPE1A 6mnth
Existing 0.0263 8.17 0.0147 0.16 SBUH/SCS TYPE1A 2 yr
Existing 0.1167 8.17 0.0522 0.16 SBUH/SCS TYPE1A 100 yr
Developed 0.0248 7.83 0.0078 0.06 SBUH/SCS TYPE1A 6mnth
Developed 0.0403 7.83 0.0128 0.06 SBUH/SCS TYPE1A 2 yr
Developed 0.0906 7.83 0.0296 0.06 SBUH/SCS TYPE1A 100 yr
BASLIST [TYPE1A] AS [6mnth] DETAILED
[Existing] [Developed]
LSTEND
Drainage Area: Existing
Hyd Method: SBUH Hyd
Peak Factor: 484.00
Storm Dur 24.00 hrs
Area CN
Pervious 0.1600 ac 80.00
Impervious 0.0000 ac 0.00
Total 0.1600 ac
Loss Method: SCS CN Number
SCS Abs: 0.20
TC
0.36 hrs
0.00 hrs
Rooftop Infiltration Trench Calculations
Supporting Data:
Pervious CN Data:
Existing lot surface area 80.00
Pervious TC Data:
Flow type: Description:
Sheet existing lot runoff path
0.1600 ac
Length: Slope: Coeff: Travel Time
300.00 ft 3.00% 0.1500 21.45 min
Drainage Area: Developed
Hyd Method: SBUH Hyd
Peak Factor: 484.00
Storm Dur 24.00 hrs
Area CN
Pervious 0.0000 ~c 0.00
Impervious 0.0600 ac 98.00
Total 0.0600 ac
Supporting Data:
Impervious CN Data:
Roof surface area 98.00
Impervious TC Data:
Flow type: Description:
Sheet rooftop runoff path
HYDLIST SUMMARY
[6mnth out] [2yr out] [100yr out]
LSTEN D
HydID Peak Q Peak T
------- (cfs) (hrs)
6mnth out 0.02 8.00
2yr out 0.03 8.00
100yr out 0.07 8.17
STORLIST
[trench]
LSTEND
Node ID: trench
Desc: infiltration trench
Start EI: 100.0000 ft
Contrib Basin:
Hgl Elev: 102.6065 ft
Length Width
40.0000 ft 2.0000 ft
DISCHLIST
[D-001 ]
LSTEND
Loss Method: SCS CN Number
SCS Abs: 0.20
TC
0.00 hrs
0.04 hrs
0.0600 ac
Length: Slope:
300.00 ft 3.'00%
Peak Vol
(ac-ft)
0.0079
0.0129
0.0298
Max EI:
Contrib Hyd:
Void Ratio
35.00
Coeff: Travel Time
0.0110 2.65 min
Cont Area
(ac)
o.osoo
0.0600
0.0600
105.0000 ft
Control Structure ID: D-001 -Infiltration control structure
Descrip: Multiple Orifice
Start EI Max EI Increment
100.0000 ft 105.0000 ft 0.10
Infil: 12.00 in/hr Multiplier: 1.00
2
APPENDIX 11
SOILS EXCERPTS/DATA
Thurston County, Washington
Included areas make up about 10 percent of the total
acreage,
Permeability is moderately rapid in the Spana soil.
Available water capacity is moderate. Effective rooting
depth is 20 to 40 inches. A seasonal high water table is
at a depth of about 12 to 36 inches from November to
April. Runoff is slow, and the hazard of water erosion is
slight.
Most areas are used as hayland and pasture. This
pit is suited to hay and pasture. The main limitations
are the seasonal high water table and the moderate
available water capacity. Proper stocking rates, pasture
rotation, and restricted grazing during wet periods help
to keep the pasture in good condition and protect the
soil from erosion. Rotation grazing helps to maintain the
quality of forage. Periodic mowing helps to maintain
~iform growth, discourages selective grazing, and
controls weeds. In most years irrigation is needed for
maximum production. Sprinkler irrigation is the best
method of applying water. The amount of water applied
should be sufficient to wet the~root zone but small
enough to minimize the leaching of plant nutrients.
A few areas are used as woodland. On the basis of a
~~ v0-year site curve, the estimated site index for
Douglas-fir is 144. On the basis of a 50-year site curve,
it is 110. The estimated growth rate of an unmanaged,
even-aged stand of Douglas-fir is 150 cubic feet per
acre per year at 60 years of age.
The main limitation affecting the harvesting of timber
i~ the muddiness caused by seasonal wetness. Use of
wheeled and tracked equipment when the soil is wet
results in ruts and soil compaction. Unsurfaced roads
and skid trails are soft and can' be impassable when
wet. Logging roads require suitable surfacing material
for year-round use. Rounded pebbles and cobbles for
road construction are readily available on this unit. The
asonal high water table limits the use of equipment to
dry periods. Disturbance of the protective layer of duff
can be minimized by the careful use of wheeled and
tracked equipment.
Seedling establishment is the main concern in the
production of timber, Reforestation can be
accomplished by planting Douglas-fir seedlings. If the
:..end includes seed trees, natural reforestation by red
alder occurs periodically in cutover areas. The seasonal
high water table inhibits root respiration and thus results
in some seedling mortality. When openings are made in
the canopy, invading brushy plants can prevent the
establishment of planted Douglas-fir seedlings.
Common forest understory plants are cascade
C`-egon-grape, salal, vine maple, western brackenfern,
and Oregon white oak.
89
This map unit is in capability subclass Illw'
~~ 110-Spanaway gravelly sandy loam, 0 to 3
percent slopes. This very deep, somewhat excessively
drained soil is on terraces. It formed in glacial outwash
and volcanic ash. The native vegetation is mainly
grasses, ferns, and a few conifers. Elevation is 100 to
400 feet. The average annual precipitation is 45 to 55
inches, the average annual, air temperature is about 51
degrees F, and the average frost-free period is 150 to
200 days.
Typically, the surface layer is black gravelly sandy
loam about 15 inches thick. The subsoil is dark
yellowish brown very gravelly loam about 5 inches thick.
The substratum to a depth of 60 inches or more is dark
yellowish brown extremely gravelly sand.
Included in this .unit are small areas of Alderwood
soils on till plains; Everett, Indianola, and Nisqually soils
on outwash terraces; and Spana soils in depressions.
Also included are small areas of Spanaway soils that
have a stony sandy loam surface layer and small areas
of Spanaway gravelly sandy loam that have slopes of 3
to 15 percent. Included areas make up about 20
percent of the total acreage.
Permeability is moderately rapid in the subsoil of the
Spanaway soil and very rapid in the substratum.
Available water capacity is low. Effective rooting depth
is 60 inches or more. Runoff is slow, and the hazard of
water erosion is slight.
This unit is used mainly as hayland, pasture, or
cropland, as a site for homes, or as a source of gravel.
It is also used as woodland.
The main limitation affecting hay and pasture is the
low available water capacity. Proper grazing practices,
weed control, and fertilizer are needed to ensure
maximum quality of forage. Rotation grazing helps to
maintain the quality of forage. Periodic mowing helps to
maintain uniform growth, discourages selective grazing,
and controls weeds. Animal manure can be applied
periodically during the growing season. Areas that
receive heavy applications should be harrowed at least
once a year. In summer, irrigation is needed for
maximum production of most forage crops. Sprinkler
irrigation is the best method of applying water. The
amount of water applied should be sufficient to wet the
root zone but small enough to minimize the leaching of
plant nutrients.
This unit is suited to crops. Wheat, oats,
strawberries, raspberries, blackberries, and sweet corn
are commonly grown. The main limitation is the low
available water capacity. In summer, irrigation is
needed for maximum production of most crops.
90
Sprinklers can be used, but a slow application rate is
needed to minimize runoff. The amount of water applied
should be sufficient to wet the root zone but small ...:
enough to minimize the leaching of plant nutrients. The
application rate should be adjusted to the available
water capacity, the water intake rate, and the needs of
the crop. Animal manure can be applied periodically
during the growing season. Areas that receive heavy
applications should be harrowed at least once a year.
This unit is well suited to homesites. Pebbles and
cobbles should be removed, particularly in areas used
for lawns. In summer, irrigation is needed for lawn
grasses, shrubs, vines, shade trees, and ornamental
trees. Mulch, fertilizer, and irrigation are needed to
establish lawn grasses and other small-seeded plants.
The main limitation affecting septic tank absorption
fields is a poor filtering capacity. If the density of
housing is moderate or high, community sewage
systems are needed to prevent the contamination of
water supplies caused by seepage from onsite sewage
disposal systems. Cutbanks are not stable and are
subject to sloughing.
Douglas-fir is the main woodland species on this unit.
Among the trees of limited extent are Oregon white oak,
lodgepole pine, and red alder. Douglas-fir and Scotch
pine are grown on Christmas tree plantations. On the
basis of a 100-year site curve, the mean site index for
Douglas-fir is 140. On the basis of a 50-year site curve,
it is 108. The highest average growth rate of an
unmanaged, even-aged stand of Douglas-fir is 145
cubic feet per acre per year at 65 years of age.
This soil is suited to year-round logging, Unsurfaced
roads and skid trails are slippery when wet. Logging
roads require suitable surfacing material for year-round
use. Rounded pebbles and cobbles for road
construction are readily available on this unit.
Disturbance of the protective layer of duff can be
minimized by the careful use of wheeled and tracked
equipment.
Seedlirig establishment and seedling mortality are the
main concerns in the production of timber. Reforestation
can be accomplished by planting Douglas-fir seedlings.
If the stand includes seed trees, natural reforestation by
Douglas-fir, Oregon white oak, and lodgepole pine
occurs periodically in cutover areas. Droughtiness in the
surface layer reduces the seedling survival rate. When
openings are made in the canopy, invading brushy
plants can delay the establishment of planted Douglas-
fir seedlings.
Common forest understory plants are cascade
Oregon-grape, salal, western brackenfern, Western
swordfern, Indian plum, and Scotch-broom.
Soil Survey
This map unit is in capability subclass IVs.
111-Spanaway gravelly sandy loam, 3 to 15
percent slopes. This very deep, somewhat excessively
drained soil is on terraces. It formed in glacial outwash
and volcanic ash.-The native vegetation is mainly
grasses, ferns, and a few conifers. Elevation is 100 to
400 feet, The average annual precipitation is 45 to 55
inches, the average annual air temperature is about 51
degrees F, and the average frost-free period is 150 to
200 days.
Typically, the surface layer is black gravelly sandy
loam about 15 inches thick. The subsoil is dark
yellowish brown very gravelly sandy loam about 5
inches thick. The substratum to a depth of 60 inches or
more is dark yellowish brown extremely gravelly sand.
Included in this unit are small areas of Alderwood
soils on till plains and Everett, Indianola, and Nisqually
soils on terraces. Also included are small areas of
Spanaway soils that have a stony sandy loam surface
layer and small areas of Spanaway gravelly sandy loam
that have slopes of 0 to 3 percent. Included areas make
up about 20 percent of the total acreage.
Permeability is moderately rapid in the subsoil of the
Spanaway soil and very rapid in the substratum.
Available water capacity is low. Effective rooting depth
is 60 inches or more. Runoff is slow, and the hazard of
water erosion is slight.
This unit is used mainly as hayland or pasture, as a
site for homes, or as a source of gravel. It is also used
as woodland.
The main limitation affecting hay and pasture is the
low available water capacity during the growing season.
Proper grazing practices, weed control, and fertilizer are
needed to ensure maximum quality of forage. Rotation
grazing helps to maintain the quality of forage. Periodic
mowing helps to maintain uniform growth, discourages
selective grazing, and controls weeds. Animal manure
can be applied periodically during the growing season.
Areas that receive heavy. applications should be
harrowed at least once a year. In summer, irrigation is
needed for maximum production of most forage crops.
Sprinkler irrigation is the best method of applying water.
The amount.of water applied should be sufficient to wet
the root zone but small enough to minimize the leaching
of plant nutrients.
This unit is suited to homesites. The main limitation
is the slope. Cutbanks are not stable and are subject to
sloughing. A plant cover can be established and
maintained through proper fertilizing, seeding, mulching,
and shaping of the slopes. Pebbles and cobbles should
be removed, particularly in areas used for lawns. In
158
~~ Spanaway Series
The Spanaway series consists of very deep,
somewhat excessively drained soils on terraces. These
soils formed in glacial outwash and volcanic ash. Slope
is 0 to 15 percent. Elevation 'is 100 to 400 feet. The
average annual precipitation is 40 to 55 inches, the
average annual air temperature is about 51 degrees F,
and the average frost-free season is 150 to 200 days.
These soils are sandy-skeletal, mixed, mesic Andic
Xerumbrepts.
Typical pedon of Spanaway gravelly sandy loam, 0 to
3 percent slopes, 4 miles southeast of Lacey; about 250
feet west and 400 feet south of the northeast corner of
sec. 25, T. 36 N.. R. 1 W.
A-0 to 15 inches: black (10YR 2/1) gravelly sandy
loam, very dark grayish brown (10YR 3/2) dry; weak
fine granular structure: loose, very friable, nonsticky
and nonplastic; many fine, medium, and coarse
roots; 25 percent pebbles; strongly acid; clear
smooth boundary,
Bw-15 to 20 inches; dark yellowish brown (10YR 3/4)
very gravelly sandy loam, light olive brown (2.5Y
5/4) dry; weak fine subangular blocky structure;
loose, very friable, nonsticky and nonelastic; many
fine, medium, and coarse roots; 55 percent pebbles;
medium acid; clear smooth boundary.
C-20 to 60 inches; dark yellowish brown (10YR 4/4)
extremely gravelly sand, yellowish brown (10YR
5/4) dry; single grained; loose; few fine roots; 80
percent pebbles, 10 percent cobbles; slightly acid.
The thickness of the solum ranges from 15 to 25
inches. The content of coarse fragments in the control
section ranges from 50 to 85 percent. The weighted
average texture of this section is very gravelly sand or
extremely gravelly sand. The umbric epipedon is 10 to
20 inches thick,
The A horizon has hue of 10YR or 7.5YR, value of 3
or 4 when dry, and chroma of 1 or 2 when moist or dry.
It is medium acid or strongly acid. The Bw horizon has
value of 4 or 5 when dry and 3 or 4 when moist. It is
very gravelly sandy loam, very gravelly loam, or
extremely gravelly sandy loam. The C horizon has hue
of 10YR or 2.5Y, value of 5 or 6 when dry and 4 or 5
when moist, and chroma of 3 or 4 when dry or moist. It
is extremely gravelly sand or extremely gravelly loamy
sand and is slightly acid or neutral.
Sultan Series
The Sultan series consists of very deep, moderately
Soil Survey
well drained soils on flood plains. These soils formed it
alluvium. Slope is 0. to 3 percent. Elevation is 20 to 75
feet. The average annual precipitation is 40 to 50
inches, the average annual air temperature is about 50
degrees F, and the average frost-free season is 150 to
200 days.
These soils are fine-silty, mixed, nonacid, mesic
Aquic Xerofluvents.
Typical pedon of Sultan silt loam, 7 miles east of
Lacey; about 1,000 feet east and 1,975 feet north of the
southwest corner of sec. 16, T. 18 N., R. 1 E.
Ap-0 to 7 inches; dark yellowish brown (10YR 3/4) silt
loam, brown (10YR 5/3) dry; moderate fine and
medium granular structure; slightly hard, very
friable, slightly sticky and slightly plastic; many fine,
medium, and coarse roots; many very fine and fine
tubular pores; slightly acid; abrupt smooth
boundary.
BA-7 to 20 inches; dark yellowish brown (10YR 4/4)
silt loam, brown (10YR 5/3) dry; moderate fine and
medium subangular blocky structure; slightly hard,
very friable, slightly sticky and slightly plastic; many
very fine, fine, and medium roots; many very fine
and fine tubular pores; slightly acid; clear wavy
boundary.
Bw1-20 to 25 inches; dark brown (10YR 3/3) silt loam,
grayish brawn (2.5Y 5/2) dry; common fine
prominent red (2.5YR 5/8) mottles; moderate fine
and medium subangular blocky structure; slightly
hard, very friable, slightly sticky and slightly plastic;
common fine and medium roots; common very fine
and fine tubular pores; slightly acid; gradual wavy
boundary.
Bw2-25 to 45 inches; dark brown (10YR 4/3) silt loam,
light brownish gray (10YR 6/2) dry; common
medium prominent red (2.5YR 5/8) mottles;
moderate medium and coarse subangular blocky
structure; slightly hard, very friable, slightly sticky
and slightly plastic; few very fine and fine roots; few
very fine and fine tubular pores; slightly acid;
gradual wavy boundary.
C-45 to 60 inches; grayish brown (10YR 5/2) silt loam,.
light gray (10YR 7/2) dry; common medium
prominent dark brown (~.5YR 4/4) mottles; massive;
slightly hard, very friable, slightly sticky and slightly
plastic; slightly acid.
The soils are slightly acid or neutral in the control
section and range from slightly acid to strongly acid
below a .depth of 40 inches. Mottles that have chroma
of 3 or more are at a depth of more than 20 inches.
urston County, Washington 273
TABLE 15.--PHYSICAL AND CHEMICAL PROPERTIES OF THE SOILS--Continued '
~ Soil name and ;Depth; Clay ; Permeability , Available , Soil ; Shrink-swell ~ factors ;Organic
map symbol ; ; ~ ;
1 water capacity ;reaction' ;T
~ ~ potential - ; matter
i In i
~
Pct
, In hr ~
In i.n
, ~H K {
~ ~ ~ T
i Pct
1
109--------------i 0-22,
7-15 1 1
; 2.0-6.0 ;
0.12-U.14 ,
,5.6-6.0 ,
,Low----------- ;0.24;
5 ; 5-15
Spam ,2Z-26; 5-15 ; 2.0-6.0 ; 0.14-0.17 ;5.6-6.0 ;Low------------;O,17' ~
4 ;26-38; 5-15 ~ 2.0-6.0 ~ 0.09-0.12 ;5.6-6.0 ;Low------------;0.10; ~
'38-60' 2-5 ' 6.0-20 ~ 0.05-0.08 ;5.6-6.0 ,Low------------;0.05; ~
111---------~ 0-15i
1
O
---
i 2.0-6.0 i
0.11-0.13
;5.1-6.0 1 1
;Low------------X0.15; 1
2; 5-15
p
;
S
anaway ,15-20, --- ~ 2.0-6.0 ~ 0.09-0.12 '
15.1-6.5 '
,Low----------- ,0.10,
20-60, 0-5 ~ >20 , 0.03-0.05 ,6.1-7.3 ,Low------------,0.02,
' ~ ~
X112, 113---------~ 0-16~
--- Y I
~ 2.0-6.0 {
0.11-0.13
i5.1-6.0
iLow------------~0.15i
2 i 5-15
r Spanaway ,16-22, --- ; 2.0-6.0 , 0.09-0.12 ;5.1-6.5 ,Low------------;0.10,
t ;22-60;
, , 0-5 ; >20 ;
1 0.03-0.05 ,6.1-7.3 ,Low------------' '
0.02 '
1 I
114*: i i 1
1 I
i i ~
~
i ~ i
i
~ i i i
i
,;Spanaway ~ 0-15~
-'--
-
r-
~ ~
, 2.0-6.0 , 0.11-0.13
;5.1-6.0
;Low------------;0.15;
2 ; 5-15
,15-20,
R --- , 2.0-6.0 , 0.09-0.12
;5.1-6.5 ~ ~
,Low------------,0.10, 1
v i20-60~
0-5
~ >20 i
0.03-0.05
i6.1-7.3
iLow------------,0.02,
I 1 ,
~. Nisqually-------; 0-5 ;
0-5
, 2.0-6.0 ,
0.09-0.12 1
;5.6-6.5 ~
,Low------------' I
5
3-10
5-31; 0-5 ~ 2.0-6.0 ~ 0.08-0.12 ;5.6-6.5 ;Low------------;p,28~ ;
31-60; 0-5 ; >20 ; 0.04-0.07 ;6.1-7.3 ,Low------------;0
24' '
1 1
;115---------- ---; 0-7 ;
15-20 1 1
; 0.6-2.0 ;
0.18-0.20 1
;6.1-7.3 .
1 1
;Low------------'0.37;
5 ;. 5-10
Sultan ~ 7-60~
' 20-30 ~ 0.6-2.0 ~ 0.18-0.20 ,6.1-7.3 ;Moderate-------;0.32,
;116--------------, 0-7 ,
5-18
, 0.6-2.0 ,
0.25-0.35 ~
'
3.6-5.5 ~ I 1
'
Low------------,0.28, 1
5 , 10-20
Tacoma ; 7-50; 5-18 ' ,
1 0.2-0.6 , 0.20-0.30 X
,3.6-5.5 i
,Low------------;0.32; ~
k X50-60~ 20-50 i 0.2-0.6 ~ 0.19-0.21 ,3.6-5.0 {Moderate-------10
32;
.
117, 118, 119----; 0-11,
10-15
; 0.6-2.0 ;
0.12-0.14
;5.1-6.0 i i
;Low------------' '
'
2
5-10
'Tenino ;11-36, 10-15 ; 0.6-2.0 ; 0.12-0.14 ;5.1-6.0 ;Low------------;p,20~ i
,36-40, --- ~ --- , --- { --- ~---------------
~40-60~
2-10
~ >20 ;
0.06-0.07
;5.1-6.0 i----
;Low------------;0.02;
~
1 1
'120----..----------~ 0-11;
--- 1
; 0.6-2.0 ;
,0.25-0.35
--,0.28;
5 ~ 3-10
;Tisch ,11-50i --- i 0.2-0.6 ; 0.25-0.35 '
i5.6-7.3 ' __~0_28~
,Low----------~ 1
50-60, --- ; 0.6-2.0 , 0.30-0.40 ,5.6-7.3
i ,Low------------
1 ~O.OO
1121, 122---------, 0-10, --- , 0.6-2.0 '
,
0.25-0.35 ,5.1-6.0 ,Low------------,0.24, 3 , 5-10
!Vailton ;10-15; --- ; 0.6-2.0 ; 0.25-0.35 ;5.1-6.0• ;Low------------'0.24' '
15-48; --- ~ 0.6-2.0 ~ 0.20-0.30 ;5.1-6.0 ;Low------------'0
15' '
~ 48 ~
---
' --- ~
~ ~
--- i --- .
~ -----°--°----, - i
---
'
1
1 1
123 124--------- 0-11,
r , ~
1 10-2
5 I ~
~ 0.6-2.0 '
~
0.17-0.20 ~
;5.1-6.0 ~
;Low------------;0.321
5, 5-10
1
Wilkeson ,11-47, 25-35 i
, 0.6-2.0 , 0.12-0.17
;5.1-6.0
;Moderate-------;0.20;
1 1
,47-60,
~ I 18-35 1
, 0.6-2.0 ;
I ~ 0.15-0.20 ,5.1-6.0
1 ;Moderate-------'0.20'
I I
I '
1
125. i i ~
i ' ' ~
Xerorthents ~ , ; ~
~
1
1
X26, 127, 128----, 0-8 , --- , 2.0-6.0 , 0.25-0.35 ,5.6-6.5 ;Low------------'0.32'
3-g
5 '
Yelm ; 8-46i --- i 2.0-6.0 ; 0.15-0.25 ;5.6-6.5 ;Low------------'p 32' ~
X46-60~ 0-5 i 6.0-20 ; 0.04-0.09, ,5.6-6.5 ,Low------------,0.10, ~
' ~ ' i i i
* See description of . the map unit for compositi on and behavior characteristics of the map unit.
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APPENDIX 111
VICINITY MAP
:RRY VALLEY DR SE
NISQUALLY VALLEY
GOLF COURSE
Job TITLE CRYSTAL SPRINGS SHORT ;PLAT
DESIGN BY 1QCHAI;L NAZBLROD
STRUCTURAL ~ FOUNDATION ~ CIVIL ENGINEERS DRAIYIV BY 1QCHAB[, xeza~oD
DATE 10-17-05
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MC SQUARED OLYMPIA, WA 98506
INCORPORATED (360) 754-9339 HEET No. SD 1.0
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Sheet Contents 1 INITIAL SUBMITTAL 10/20/05 ~
PRELIMINARY SHORT PLAT
Project
Crystal .Springs Short Plat
DGR CAPITAL
P.O. BOX 5380 `
LACEY, WA-9$509 - ~ REV ~ .REVISION - ~ DATE
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APPENDIX IV
MAINTENANCE INFORMATION
CRYSTAL SPRINGS SHORT PLAT, YELM, WA ABBREVIATED REPORT
ATTACHMENT "A": MAINTENANCE PROGRAM
Maintenance Checklist for Catch Basins and Inlets
I)LiillklgC
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1 3 th~~ del:ah from the Ixdu?m cd basin Lcl inroerl basin is Cllr, (all anal cleaul.
oi'Lnd lUPlcst 11 4 roll) i? i7llt 0{lh@ 1Xts lll.
b~1.5 1'I:lsh of I ari in am' inlat or pq c I7lockin h1121 and curl I pipas fl e of h'ah ..I 1al-fri5.
Ini?I'0. Ih:lll Ili lit Ill" h01C;h 1.
kt ',i[I'llC'lill'a1 !.'01'801' (?l llalne i'\1017dti Illill'C Iltiln 3i~1 II1C11 prlsl I']':illle ]S v1'%'U Vrldl CLll'b.
d;l.lllagv ll7 Cl0'b Iacl 117141 LI7'a 511811 Ill :rppl1ca17lej.
fame anlcl;or
Lo) slal.~
1Vl 7 (7I? SIa.17 11:1,0 holes ISruf'~r 111:111 ~ `1:IUACe I11C11s?S OC 717r s1al) I:S 11'r`0 (?{ hi)lde 3Rd CI:iC1:S.
CC.ie1~ti 141i1vf tI1&Il I?~ 1RCh (Llllelll. h to Illake
6Ln'@ all ^L'it21181 IC r1111111R~?< illt4 Lh€~ l7tiSllli.
'11 I'nlllle 1101 Sltlill~ I ILLXII UI.1 1(717 S1a17, I.C., I' I'a1i10 IS til.ltln`': f1 L1511 i)Il b:gyp 51:111.
4.I\1.1'BhUll l7 ~171(1fc' than +%4 I I1Ch l7I Illi+ 11'a lllt
117rt11 llle 1J 1 5181).
,~ C"1'M:.kS 111 tracks 44'IdCr[118111~c Inch 31ld 1(78 ~v'I'thaR3 13:1S1111'eplacccl 0l'1!'1X1f1<\i k7 [I0~S1~Il St`.lllt1:11'd.S.
basin I:eeL,au~~eldani:ecfr:aiilpaLticle.~~~uerins;cucll C'imtactal7mfesxionalen;ineertirrer~ahl.LLiou.
e*allx'boitanl l7osin throu~l cracks. or lllaillianarlca pc~l't+an
lldi;es thal sh'Liliul~ is lulsrJilnd.
?\ (_~raCl:S wldel'tlfaR l:~~111Ch OllCl lf)R~i'•I'1ha111 Aib CI'flCk.S 11101Y than lia lllC'Il SlldL"nl tll.c'.:1 OLlll
l'ooLatthe.johlto{'anpinletroutlctpipeorany ofinlzfcnnh_tpil>z.
OtiliI0I7CC Ci IBS V 1 17:11"h CIvK CIItfClll~~ latC'll lxltill]
thl>7ueh c1:nelcs.
.'-~. SCI1 lclnell l; 13351]1 bas Y'JttleCl ti1C?L` 111;111 1 ]nCll lVC 11n51Ulilli'L"I. li:Lxttl IL~1]l8l'Cd C? 1'vl.elrctl IU CIcSL~,II StLl]1CIilC(l.[.
111.19RIIGllllls']lt I1101'C t17111_llli'lll:(?III Ol allelilllt'.Ill. (~C)nt3C'.La?IY7{t'SSISIIIal 011L'I17CL'I'{01'04'111 lL1.U011.
Aq;S fire hazard or 1?risenc~ ld'chenliclh such as nallual gas, oil. ~a color. odor. or slucLe. Basin ix dug nlu and
athzr andaxsoline. t~bnoxiouscolar,od(ar.orslud:;e clean.
i)IhlLiim nr.>tCd.
M,S fJutlet pipe is t'ee4talion or mats crow'inL in inlet~oull~t.rilx. `0 4-,eLtlatian nrrooi ~ll?r,-th pres~_nt.
cloyed with ji)ints th:u ix more 1 haR:uz inches 1x11 and les
9'C'.Lq'.G'ItI C~Il 111:1.11 Six I11Ch<'. 177:11'1.
If you are unsure whether a problem exists, please contact the City and ask for technical Assistance.
Comments:
A=Annual (March or April preferred)
M=Mot1tl11y (see schedule)
S=After major storms
MC Squared, Inc.
10/28/2005 13
CRYSTAL SPRINGS SHORT PLAT YELM WA ABBREVIATED REPORT
ATTACHMENT "A": MAINTENANCE PROGRAM
Maintenance Checklist for Fencing/Shrubbery Screen/Other Landscaping
Frequ~~l7cry I:h'uin:i~e I?roblam i'onditions to Ch_'Lk Por C`nndition: Thut Should Lxi~l
$ V'ak'Rl 1' edlw2
Al Gi dllc'lal A{iXSl I7C l`~r 11H II t j:11111ht IiI1C2 U1'SCI'CCI11h21111 rI11115 I'i'I1CC 151112'I7dc'iI ,I thlllt)51'81, 13ical lC'
hICIQ=111t11'lsldcdra f~,,, :.Ilh ~°1001.1(.Illl)'. rt)I1,, :I Y3Ila h., n'ItI IO Lnn'f.
zhnd,bert
A'LS t R):IOn I 1 SiC;n hus IJSIIIIeiI IIT all oIa'ninL` lulil~:'f a Ituplgi%;,)Il LIIld4`I I Ilie !i:1 II1:71 Ih?
I%17CBII131:III{,lVCi'llll'1't?V'":~OII~'UI'tilF. i)]e'1lllif!8~ciji:lt-tIIIC'hc'i111hc!V?111.
tYt I_~Ill'l1IY 1111'Llt>lli'.Il' 14 ~_IYALV~1114 t1L11 UI COI1lIL1I t71' 1~ Slrrllht?cll+ li ll'l llTnlcl'i illltl WCi\ld'I l0
d._Ct:I.h UII Inletiled. filth R'ititi'IS pl'U47[la rlpp:ahllg BCYtIILIII'5. 1)C~ iIUI LL,`
C:111n11C1t\ tci COillfill PIL`L't'tY.
:~ ~'t)lr~: }"c"ll~e\ I~Flllla~e(1 })al:t5 I'ntils OLU UI Ill W11I) Illf)I'C th <ul 6 IIli;I1L'.ti. Pilsl:~ l711111111101i''I tlllll 1 i ll1 Chl''.y tTl
)lll.illh.
:~ I'c7) laity hint nu)re Ihun 5 inches. l't 7 rail i'ce oflknds ~revter than.l inch.
,a .~n}'~>,ldoflLylce(includin~~Fosl:.top•tals,
` PLnlceisali~ni'elundmcsasdc~i~n
`
rnld hllxic:j nlf)re th:nl I ll1oT out ul
deslgl standards.
alianrnant.
a I+d isxi n~' i)r louw tens ion u' ire. 7"ensi im lu i re i n ?I:lce. a uct hot J i n c I'u bri r
i1 ~I I VIII UI' h ~yQ tk11'l'ECI 1110 lh'll IS L 7LL,111C 13611{aed W 11. . In }fleck L ilh I~*i5 Ilidlll 3:'~-
Itlf,l lr9n?S Ilicht'ti behi (,Il p?SIS. ~ Ilh'h Kl,_ l)Ltwaal p~)>IY.
,1 lxrnsian;Tnnrol~.~in~.Iuiken.nrl7enloutof I'.rl~al~lonarlninpl;lce+.vithnnbends
sha a mote. Ih.111 V = niches. l.u;_er lhan.:>i4 inch.
:~ I~ctcrio1171<±tt 1':u't or pans thnl ha~~e a lusting ar sc;Tlin~' Strl:uTw -11h ailc'Ll uaia I?txts in' parts lldlh a
pai:ntor condition[hatha~cdl~'+~#edstruetm;ll:uleyuac5~. wlit)rmpluteaiitacoating.
a'vtactiT a coatis[
NI t7lI+:ninpa in Openings in 1:Tbric ure sucJl that an 8-innh- \aopzlling in t:Tlvic.
tal7rie ili:nnaterlxtll cauldfitthronell-
If you are unsure whether a problem exists, please contact the City and ask for technical Assistance.
Comments:
A=Annual (March or April preferred)
M=Monthly (see schedule)
S=After major storms
MC Squared, Inc.
10/28/2005 14
CRYSTAL SPRINGS SHORT PLAT YELM WA ABBREVIATED REPORT
ATTACHMENT "A": MAINTENANCE PROGRAM
Maintenance Checklist for Conveyance Systems (Pipes, Ditches, and Swales)
I'rrqurncy Uraina~e. 1?rE~blem ~'c?nditian, to C`h~lc For C'onditians'1"hat Should Cixist
9vxlem Fciliw'c '
h1,;9 I~1pfS ~i'dllllflll~ ~lllllllllillCllSf[illlli'lll 111 It ':Cl'i'i"k152tY:v~OI lhf
' t+Ip['cI 111L'CIi+I~iIII S['.Clllllt'11[:111tI lIfL1'I'~.
d ~bris dl7nteler o1
ih~ ?i _i'.
P'I tc"r21t711i1I1 'i+~rl.7 tl Oll chat I'ttilllCfti Ilei I1L:~t+4111i'lll l?i r1II Ri I7lli~l] I'Blllf7 dI ti? Ural I' Mil+.l'S
tva~r thll)uch ?i x?s. li'eah' ihrl)u_h 7i tis.
r1 I)'11170'fd irLLSkCl. t'7Ul'u'hi'L'GO tllll
l5 d'.111111,'c'II; rLISt IS Caa11111 pipe Til nireti kl'repllic(I.
h Ill, i)1' i17lISI1~C1) p
11101 c Ihsl .1Q+1( it h~l7t~l:ih.t711 to alll' I)71i Ot y
?L'+'..
Ill •1.17}'ilc'17l lllal~li'i1111C':II11 t1'I711F)i'-CIfS tII?tN 1, 7:e., f+ll)C I'CIl;11I'ei141'IL pIJi''li.
+ivCl'e:75i;> tha il'O.iS SCI IOi1 :11'2':1 01 I?II)e liy
11101'e 1114711 ?U'I{'.1.
t11 t II>r IS h 711ai5 1 CI 1 1.5 i~ I l "'lIX :I~1i)4:'lll', I~IIIe. I'c~?all eit ill' rfpleli:.Ci.
~Il. ll I1CIt'r;l li'l I~..l~..l ~~'..
11,5 l:il)en ditches "I lash ~ d'ahris ])wnping o1 aid v;.lstfs <uth ~s ~ ass . Remilvf 4'ash and debrr.. and dls~n.~a as
C'il])lilil S:Ini1 bl 111C 11fS IIllO kia5111, I. I1SIihl1Y
~
i
d
d
hl
i
l 71i"S~'l'll>Ldht'C:1[t \k 'I,v.'lu h'I:1111_t111i?I1C
~
i
-
ai u7nl
at
olnlrnn-
e!ll
a
amal l
n
sslr~h
nti ~'lil\:'.:, 7I:I.SI II. 17141:1.1, rl`.lllll, iI17iI lo[lti:.li .7. ?c;r.. +ct
c)n.
M SfdimfnfLluldly) ;lrcunulLuedsfilinl:)11[Ihttuxc~iads2~~~o1`tha Diichilvl2rl<d'allse'<limunt7ntldebris
fl~'G!'n de ?[h.. SO 1I7<ll. l 111181(' Iles iias it'll.
;~ ~`~~tt'latlOll Vu s47n[?I1 lc+ 11 c~i11'ti111L717S 1?r S:11)lln
^$J LI78i 1+v'Ulc'f 110 C11'Cel} lhNll~h dllihs.
~
I'u+{llCa.S h'2~: min m~ll[S Ottralfr lhl'OIILtI. f-tl'aSCt vvLvL1t10n abc)L112T 1)f I~if 11 S)Ilv'.
d lclles.
d'I I?COl+lOIllI:l111aLi'. Sim lfinds(`ht'CIc11ti1. ee ~OIICISf.:I1L'4kllsl.
tc. sic) rs
;)1 13~i<k I1111111J Glil 'tilalllk'IlE77Cs~ 14aQ11 %all SL'i' Il:lt1F @- Soil tklli'tllll I;(']7181( IUCI.S t0 dE'S1~17 5L'1lld:ll'd.
11,1?Iacf 01: the l'C:~k I.nlin~.
I]118!k111L
(ll v
r
it ] ?114;861L'.l
1~iLllv's (. tl Cll l.UZ77115 Sd: Cafcll I3Cls l17ti C,IIeCI;.IISI. x+00 C.'a7tch 13:1SI:111 [::hdckll St.
7+'1.5 Sw''alt5 ~I7~L511 ti di+1?7'Iti ~ ~e alY7i`C for Ihlillcls. tiff :ll?i74 ' I~ir I)11l hill.
iYl Sffh117e11t I)lulilt7p SUE a1)OGf (iLf I)IlilheS. 1r e~_ftat14111118}~'Ilfeil li)lti Ikplallkti18f1e1'
ilia[7111++.
M1'I 1c;~t'L:14C~11IlC~l <:IaS\U)Yfl']~S1"'aLM1C'alldVr3:'CI\'[?I'.11'i'a58f['. ACl':lliv111t:111~I'i*.k'~1<lndullllcbl~7r~
gl~tving rn' l)4alaxmv'n with vrcn7clF te~alatknn. arias. 7717mtoin el'lis k7fkrlri at a
ct u'grawn minimum u'f U iuahls iur Lest atilralw,7t<r
trwilnenl. Rt**mc)v`evvtodY~,ror+rth.
lii'C511161L'. k~llCl ri:&Y41 n4 I1f44L4a'.11'F'.
h't 5 k:lntil: "711 d'.711ti15?.6 tiE?\'' I~i111d]` L.,I1C+:k::IISI. SC'i' IiV1C(,C (.~Ilfi'lill St,.
li) +Icl }c"C
~'t C l)nt Ll'il Dll hY' 555 I~ }1 Iti Ile Il i111iiI Ill OI" h~()f lceil l 7"tihcCl. 11 1)ossllll ~I)"Ili rvllb I7t~1112t7t.lli"r 27114
hUlll~tri+il]el'15 VcOdl?III, 4bl llhbtl3; SIC. Ifi]llfSl ll7n[St,'ele 71 t1l iii Ctt3l+1'@ti.
inc<)nll)atilllr use C'i)nClct 4:;ilt~ li) re
?ort plctl71en1 iihi)1
~
reclilied tulunfari r.
;~ ~w dr d+~as uc7l 1t llu ~l'In3, In swalf t?r I low vcloclly is Geri ~ slu t u m lr La n d d Il? ch ~ I I aclfs.
ih.nn show. Jlarrnlonoccius. fl.7dasn lik?lkm I °7,~ran_elf
p ~~iblf II grade I~ I'vs thv7 f"1~1
UI l[Ii,7'lllil.lll:c 11781' Il.+'eil. t0 t): I]1tilnI.I2.d.
if you are unsure whether a problem exists, please contact the City and ask for technical Assistance.
Comments:
A=Annual (March or April preferred)
M=Monthly (see schedule)
MC Squared, Inc.
10/28/2005 15
CRYSTAL SPRINGS SHORT PLAT YELM WA ABBREVIATED REPORT
S=Atter major storms
MC Squared, Inc.
10/28/2005 16
CRYSTAL SPRINGS SHORT PLAT, YEL.M, WA ABBREVIATED REPORT
ATTACHMENT "A": MAINTENANCE PROGRAM
Maintenance Checklist for Grounds (Landscaping)
I`requencY Drain:IgL•
. I'rol?lant C~ndi[ions to e:h<~k hc+r t'iSnililians'['hnt Should Ixis[
S?~lem l~a:itllrc 1
A9 [:;enelal kl+cals ~k'ecds ntnn7n m mOI'e ihvt .0's;, ut the
` l4c~ils pliK<ntt in I ass than >":~~ c?I'thr
fno» aisenuus) lall(Lwa
~dalaillreesandvhtuLs<,uli'}. landa~~l eiiara.
\d Sa}rly haranl ancprwenca i'fpr.~iu:?n ieyor (rIM_rpoikmous \U paiKnnnLSyc~~eiation Ur insect nasls
ve~tution or iuk:el nests. ?rev°nl in lender ?/xl area.
Iti'LS llatsh nr litter S~._ I?Dods Cha~Iaist. tieia Pinuiw c:'hecklit_
bLS 1:16?~li?It ?f \. h<Cabld I'111s al'e. tiff 11 IIl lalKl6('81)eil :1feaS. C:lnx;a ,l Inil6'!Il Ilt I'1Cltfih«I 'Ind YI IZ?
(JUll I1C1 Slll'I;tilC 111:e11 U) sh?lt ih75+~1LYI,I' Ad Olll the R1I@I'.
Eaxsdail arena are Fillad, anik!urixi, and
secdc+i.
i'1 IlY'efi allii l7Illlil=C`- t..:lltl lt.~(lf ltililti 6l ll-`e5ln'SIIC(ll)ti Il]at ill'i'S}7111 ~I^111»~..\''~Ill'lll>. l~1 r<:.iL<''I'J till:ll?t.
ti1ll'lllA 01 I)ruL n.R'I11CI171fti1111N"1h3n 71!';, Ur [he I~CI)I;1C' It<~''LXhI'llhs l4'ILII ~PC'e1~dlllla~e~.
IC l tl ti)hl''!s' Ui [Ile tree OI h11rUlt,
A'[ lIC(aurshnlt?slhathasebeenblcn~,nd(?LV'ncn Raplanthit.inspl~tnttl'orinw~ uislant
knu<I.c?3 of er. ar IL?ats iie? Ince t l ~ ~ crely (~ t»t°I_cd.
;~ 71'i:'a'6i)rtill]'nl?39~I7]Ch al'@IlUl adcgUet@l?" llllia.51(ll:a~.I11C1.1LIblkC-C03Ifi1 t1@
Sllltp(U'feil C?1' 31'Z 1''Ullllll~, DVOI, C:1U51.11L :11ti4Utd YittOl~ tl'i BS~~til11'lll%6 ((71' Slll?l?OI't.
f;\ X131IC0 6'd ~lhe. 1T?ill S.
If you are unsure whether a problem exists, please contact the City and ask for technical Assistance.
Comments:
A=Annual (March or April preferred)
M=Monthly (see schedule)
S=After major storms
MC Squared, loc.
10/28/2005 1 ~
APPENDIX V
THURSTON COUNTY GEODATA
QUERY RESULTS
EXCERPTS
Thurston Geodata Center -Parcel Search Page 1 of 3
~~~~~~
Data for Parcel No. 22719210300
Zoom Map to Parcel
View Assessor's Uata for Parcel
Owner: DGR CAPITAL INC
Address: 2360 ALLEN RD SE
City: OLYMPIA
State: WA, 98501
Parcel No.:
Site Address:
Site City:
Site Zip: 22719210300
916 CRYSTAL SPRINGS RD NW
YELM
98597
Section: s19172E
Section 19 Township 17 Range 2E Quarter NE NW
Legal Description: SS-8173 LT 1 Document 3041632
Usecode: 11 -SINGLE-UNIT
Tax Code Area: 170
Taxable: Yes
Annual Tax: $2,012.75
Property Type: RES
Total Acres: 0.58
Land Value: $34,650.00
Building Value: $115,800.00
Total Value: $150,450.00
Current Use: N
Exemptions: None
Owner: DGR CAPITAL INC
Address: 2360 ALLEN RD SE
City: OLYMPIA
State: WA, 98501
Parcel No.: 22719210300
Site Address: 916 CRYSTAL SPRINGS RD NW
Site City: YELM
Site Zip: 98597
Section: s19172E
Legal Description: Section 19 Township 17 Range 2E Quarter NE NW
SS-8173 LT 1 Document 3041632
http://geomap l .geodata.org/website/cadastral/resultsparcel.asp?parcel=22719210300 10/13/2005
Thurston Geodata Center -Parcel Search
Usecode:
Tax Code Area:
Taxable:
Annual Tax:
Property Type:
Total Acres:
Land Value:
Building Value:
Total Value:
Current Use:
Exemptions:
Wetlands:
Floodzone:
Flood of 1999:
Winter Flooding of 1996:
High Groundwater Flood Hazards:
Zoning:
Historic Site:
Permitting Jurisdiction:
Jurisdiction of Influence:
Stormwater Rate:
No Shooting Zone:
Animal Control:
11 -SINGLE-UNIT
170
Yes
$2,012.75
RES
0.58
$34,650.00
$115,800.00
$150,450.00
N
None
Unknown
NO
Unknown
Unknown
Unknown
R-6,
No
YELM
YELM
No
No
Contact Animal Control (360-458-3244).
Weed Containment Zone: No
Steep Slopes: Unknown
Ground Water Sensitive Areas: No
DNR Natural Heritage Data: Unknown
Critical Buffers: No
Shoreline Management Areas: No
Waterbody & Wetland Buffers: No
FEMA Panel No.: 355
Wellhead Protection Area:
Area of Groundwater Concern:
Elevated Nitrates:
Soil Type:
Hydric Soil:
Watershed:
Water Service Area:
School District:
Elementary School:
Middle School:
High Schoool:
No
No
No
Spanaway gravelly sandy loam, 0 to 3% slopes
No
NISQUALLY RIVER
YELM, CITY OF
YELM
FORT STEVENS
MILL POND +YELM MID
YELM
Page 2 of 3
http://geomap l .geodata.org/website/cadastral/resultsparcel.asp?parcel=22719210300 10/13/2005
Thurston Geodata Center -Parcel Search
Fire Response District:
Medic Response District:
Residential Outdoor Burning:
Planning Region:
Census Tract:
Radio or Cell Tower:
YELM
Medic 2
Residential Outdoor Burning is banned within the
city limits and urban growth areas of Lacey,
Olympia, and Tumwater.
2
012410
No
Page 3 of 3
http://geomap l .geodata.org/website/cadastral/resultsparcel. asp?parcel=22719210300 10/13/2005
APPENDIX VI
DRAINAGE AND
EROSION CONTROL PLAN
10!182005 12:44PM C2.0 -DRAINAGE GRADING & EROSION CONTROL
`rp ~c 5~9b G~ -- -- ------ -- -- -- -- ---
TzO- oi~
z ma o ~ = CRYSTAL SPRINGS RD. S.E. ~„~„
nmm<r~ ___-_ W4 w _ w _----~--___.wN__ w W
~~pAZ ________ NO-N _ N EX. EP O(n 4 N__-
m 9~0 g o 0 0 m m m1 0 ~°
C.m - - ra '36'2Jk' 1321.99'(C) N ~ _ _ "~ ~- ~ -
Tbn n ~ 730:99'(C) - ~ ~~ ~< ~ 496.00'
U \ ~n22
< ~~ gv~^Z'Z V V o V W W `,/-Nn-V W ~o~f^f
L7 Qi m~ ~ g ' .' i 'd'_ ~ , ~
o n r ~ ~ ' g
in a-
N~Q „~zz ~ ~ T- EX. EP. (1.,'p ~~f~
o z -1 _ _ - - ~ XI P ITCH ~ / ~ ~
~_ _
Am~~_ cyyyz4 ~Z m I ry N~1 ~ ~ N Vyy ym {~;, w I ( tAlm c~ g°~
~~Q~Z ~~~ A ~ I:~~ ~~UIND~ NH ~ VIVI ~ IN~w 11 II ~IArin- oAa
n. w w Z ~~a
oA~T^ I ~ 1___ __________~yl y im yOI 20'IAmp "
4QQy ~ ~^ rn U O m s .Zl 15' ~ ~ _ I I~X I f'~ ~ X .2m-r }I'~~" ~ I
~i~ o fn= x, z zczz oz rxr 4^Z S Im L ~ ox_ ~° I ~~I
mp.5y; r~~ amp o~ `~ 2~ ramD 7a,,°-1___.___ `6 __~S~w ~q d I
r°y~ppm o~ ~ ~ mr~~ x~ n~~ , ~ J ~~ r I Y•_ i~ yI i
mi s ZT ~y. o~~~ :'Jm '+yn d I ~~ I ~ ~ I I ~I, I
i ~L +~ mm~ 2.urx ni i Z - I >Q I I ' I I I I I x
z~ms ° o6H g~ ~ om oN I I I C,~ N Im II I~
a~oo x~ r~o ONV~~ ~ ~C ~ ~ I z I I I.~ I~ 119 I~ I
pi~ z 'a ~muzi' AoZ~ m '^-n_-I ~ a ~- - - ~-_~.u-1-.1 1~ a 11 I I I
c~v~ #~ zoc .n Cry ~ °z Z ELI 1 ~p~p~' Rym ~ ~u"'~I I~m~ I ~ I I
0~~ ~~ =2~ m~z~ p ~ ~ `n ZQ O gC ~ U I 2 I
~~ yx o ~~_ mop ~ c~ ~~i `ti", r`^-a ° ~° ,~~ I d of
p^' 3 °IQw ~ n $mRr I II I ~I
~ ° ~~gt ~ g ~ ~ v 2 A ~ ~ ~ _ _X _ o_ _ _500'37'S6'W 95.00-_ " ~' - _~.. ~~ ~ I I I > I I
zz ~' a b r m ?Z (n 1 -_ 4i_ _ I Z I
oooA o mm,o~. m a °O t i ~~ >I
~~~~"a run ~~n '" AO IAnZ u2 ~ `"
o ; ~z mV~A ~ N V ,X I I g ° ~°g ~ ml
~mr~2- v x ~.~ z. ( I ~
~~ ~ ~ ~ Ozp m Z ~ I 161z~ yzn~ ,,, I I ~
AA m O p Z ~P v •~
°mA0 c ~v °v~y~y ~vn °~. I I ~°O 1 15' `r r.il '
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