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DHS - FEMA Form 086-0-26, FEB 11 Property Information Form MT-1 Form 1 Page 1 of 2
DEPARTMENT OF HOMELAND SECURITY - FEDERAL EMERGENCY MANAGEMENT AGENCY
PROPERTY INFORMATION FORM
O.M.B. NO. 1660-0015
Expires February 28, 2014
PAPERWORK BURDEN DISCLOSURE NOTICE
Public reporting burden for this data collection is estimated to average 1.63 hours per response. The burden estimate includes the time for reviewing instructions,
searching existing data sources, gathering and maintaining the needed data, and completing and submitting the form. This collection is required to obtain or retain
benefits. You are not required to respond to this collection of information unless a valid OMB control number is displayed on this form. Send comments regarding the
accuracy of the burden estimate and any suggestions for reducing this burden to: Information Collections Management, Department of Homeland Security, Federal
Emergency Management Agency, 1800 South Bell Street, Arlington, VA 20598-3005, Paperwork Reduction Project (1660-0015). NOTE: Do not send your completed
form to this address.
This form may be completed by the property owner, property owner’s agent, licensed land surveyor, or registered professional engineer to support a request for a
Letter of Map Amendment (LOMA), Conditional Letter of Map Amendment (CLOMA), Letter of Map Revision Based on Fill (LOMR-F), or Conditional Letter of Map
Revision Based on Fill (CLOMR-F) for existing or proposed, single or multiple lots/structures. In order to process your request, all information on this form must be
completed in its entirety, unless stated as optional. Incomplete submissions will result in processing delays. Please check the item below that describes your request:
LOMA A letter from DHS-FEMA stating that an existing structure or parcel of land that has not been elevated
by fill (natural grade) would not be inundated by the base flood.
CLOMA A letter from DHS-FEMA stating that a proposed structure that is not to be elevated by fill (natural
grade) would not be inundated by the base flood if built as proposed.
LOMR-F A letter from DHS-FEMA stating that an existing structure or parcel of land that has been elevated by
fill would not be inundated by the base flood.
CLOMR-F
A letter from DHS-FEMA stating that a parcel of land or proposed structure that will be elevated by fill
would not be inundated by the base flood if fill is placed on the parcel as proposed or the structure is
built as proposed.
Fill is defined as material from any source (including the subject property) placed that raises the ground to or above the Base Flood Elevation (BFE). The common
construction practice of removing unsuitable existing material (topsoil) and backfilling with select structural material is not considered the placement of fill if the
practice does not alter the existing (natural grade) elevation, which is at or above the BFE. Fill that is placed before the date of the first National Flood Insurance
Program (NFIP) map showing the area in a Special Flood Hazard Area (SFHA) is considered natural grade.
Has fill been placed on your property to raise
ground that was previously below the BFE? Yes No If yes, when was fill placed? /
month/year
Will fill be placed on your property to raise
ground that is below the BFE? Yes* No If yes, when will fill be placed? 01/20 or thereafter
* If yes, Endangered Species Act (ESA) compliance must be documented to FEMA prior to issuance
of the CLOMR-F determination (please refer page 4 to the MT-1 instructions). (See Attachment G)
1. Street Address of the Property (if request is for multiple structures or units, please attach additional sheet referencing each address and enter
street names below):
1915 Maple Valley HWY, Renton, WA 98057
2. Legal description of Property (Lot, Block, Subdivision or abbreviated description from the Deed):
POR OF SE 17-23-05 BEING KNOWN AS REV LEGAL DESC OF EXHIBIT E OF BOUNDARY LINE AGREEMENT REC #20090112001505
APPROVED BY CITY OF RENTON DAVID CHRISTENSEN DATED 01-22-09 SEE SURVEY 20090112900011
3. Are you requesting that a flood zone determination be completed for (check one):
Structures on the property? What are the dates of construction? _______________ (MM/YYYY)
A portion of land within the bounds of the property? (A certified metes and bounds description and map of the area to be
removed, certified by a licensed land surveyor or registered professional engineer, are required. For the preferred format of
metes and bounds descriptions, please refer to the MT-1 Form 1 Instructions.) (See Attachment E)
The entire legally recorded property?
4. Is this request for a (check one):
Single structure
Single lot
Multiple structures (How many structures are involved in your request? List the number: _______)
Multiple lots (How many lots are involved in your request? List the number: Metes and bounds area
DHS - FEMA Form 086-0-26, FEB 11 Property Information Form MT-1 Form 1 Page 2 of 2
In addition to this form (MT-1 Form 1), please complete the checklist below. ALL requests must include one copy of the following:
Copy of the effective FIRM panel on which the structure and/or property location has been accurately plotted (property inadvertently located in the NFIP
regulatory floodway will require Section B of MT-1 Form 3) (Preliminary FIRM panel included, see Attachment A)
Copy of the Subdivision Plat Map for the property (with recordation data and stamp of the Recorder’s Office) (Professional Survey, see
Attachment B)
OR
Copy of the Property Deed (with recordation data and stamp of the Recorder’s Office), accompanied by a tax assessor’s map or other certified map
showing the surveyed location of the property relative to local streets and watercourses. The map should include at least one street intersection that is
shown on the FIRM panel. (See Attachment H)
Form 2 – Elevation Form. If the request is to remove the structure, and an Elevation Certificate has already been completed for this property, it may be
submitted in lieu of Form 2. If the request is to remove the entire legally recorded property, or a portion thereof, the lowest lot elevation must be
provided on Form 2.
Please include a map scale and North arrow on all maps submitted.
For LOMR-Fs and CLOMR-Fs, the following must be submitted in addition to the items listed above:
Form 3 – Community Acknowledgment Form
For CLOMR-Fs, the following must be submitted in addition to the items listed above:
Documented ESA compliance, which may include a copy of an Incidental Take Permit, an Incidental Take Statement, a “not likely to adversely affect”
determination from the National Marine Fisheries Service (NMFS) or the U.S. Fish and Wildlife Service (USFWS), or an official letter from NMFS or USFWS
concurring that the project has “No Effect” on proposed or listed species or designated critical habitat. Please refer to the MT-1 instructions for additional
information. (See Attachment G)
Please do not submit original documents. Please retain a copy of all submitted documents for your records.
DHS-FEMA encourages the submission of all required data in a digital format (e.g. scanned documents and images on Compact Disc [CD]). Digital
submissions help to further DHS-FEMA’s Digital Vision and also may facilitate the processing of your request.
Incomplete submissions will result in processing delays. For additional information regarding this form, including where to obtain the supporting
documents listed above, please refer to the MT-1 Form Instructions located at http://www.fema.gov/plan/prevent/fhm/dl_mt-1.shtm.
Processing Fee (see instructions for appropriate mailing address; or visit http://www.fema.gov/fhm/frm_fees.shtm for the most current fee
schedule)
Revised fee schedules are published periodically, but no more than once annually, as noted in the Federal Register. Please note: single/multiple
lot(s)/structure(s) LOMAs are fee exempt. The current review and processing fees are listed below:
Check the fee that applies to your request:
$325 (single lot/structure LOMR-F following a CLOMR-F)
$425 (single lot/structure LOMR-F)
$500 (single lot/structure CLOMA or CLOMR-F)
$700 (multiple lot/structure LOMR-F following a CLOMR-F, or multiple lot/structure CLOMA)
$800 (multiple lot/structure LOMR-F or CLOMR-F)
Please submit the Payment Information Form for remittance of applicable fees. Please make your check or money order payable to:
National Flood Insurance Program.
All documents submitted in support of this request are correct to the best of my knowledge. I understand that any false statement may be punishable by fine
or imprisonment under Title 18 of the United States Code, Section 1001.
Applicant’s Name (required): Logan McClish
Mailing Address (required): 750 6th St S, Kirkland, WA 98033
E-Mail Address (optional): By checking here you may receive
correspondence electronically at the email address provided):
lmcclish@watershedco.com
Date (required): 07-10-2019
Company (if applicable): The Watershed Company
Daytime Telephone No. (required): (425)822-5242
Fax No. (optional):
___________________________________________________________
Signature of Applicant (required)
DHS - FEMA Form 086-0-26A, FEB 11 Elevation Form MT-1 Form 2 Page 1 of 2
DEPARTMENT OF HOMELAND SECURITY - FEDERAL EMERGENCY MANAGEMENT AGENCY
ELEVATION FORM
O.M.B. NO. 1660-0015
Expires February 28, 2014
PAPERWORK BURDEN DISCLOSURE NOTICE
Public reporting burden for this data collection is estimated to average 1.25 hours per response. The burden estimate includes the time for reviewing instructions,
searching existing data sources, gathering and maintaining the needed data, and completing and submitting the form. This collection is required to obtain or retain
benefits. You are not required to respond to this collection of information unless a valid OMB control number is displayed on this form. Send comments regarding the
accuracy of the burden estimate and any suggestions for reducing this burden to: Information Collections Management, Department of Homeland Security, Federal
Emergency Management Agency, 1800 South Bell Street, Arlington, VA 20598-3005, Paperwork Reduction Project (1660-0015). NOTE: Do not send your completed
form to this address.
This form must be completed for requests and must be completed and signed by a registered professional engineer or licensed land surveyor. A DHS - FEMA National
Flood Insurance Program (NFIP) Elevation Certificate may be submitted in lieu of this form for single structure requests.
For requests to remove a structure on natural grade OR on engineered fill from the Special Flood Hazard Area (SFHA), submit the lowest adjacent grade (the lowest
ground touching the structure), including an attached deck or garage. For requests to remove an entire parcel of land from the SFHA, provide the lowest lot elevation;
or, if the request involves an area described by metes and bounds, provide the lowest elevation within the metes and bounds description. All measurements are to be
rounded to nearest tenth of a foot. In order to process your request, all information on this form must be completed in its entirety. Incomplete submissions will
result in processing delays.
1. NFIP Community Number: 530088 Property Name or Address: 1915 Maple Valley HWY, Renton, WA 980572. Are the elevations
listed below based on existing or proposed conditions? (Check one)
3. For the existing or proposed structures listed below, what are the types of construction? (check all that apply)
crawl space slab on grade basement/enclosure other (explain)
4. Has DHS - FEMA identified this area as subject to land subsidence or uplift? (see instructions) Yes No
If yes, what is the date of the current re-leveling? / (month/year)
5. What is the elevation datum? NGVD 29 NAVD 88 Other (explain)
If any of the elevations listed below were computed using a datum different than the datum used for the effective Flood Insurance Rate Map
(FIRM) (e.g., NGVD 29 or NAVD 88), what was the conversion factor?
Local Elevation +/- ft. = FIRM Datum
6. Please provide the Latitude and Longitude of the most upstream edge of the structure (in decimal degrees to the nearest fifth decimal place):
Indicate Datum: WGS84 NAD83 NAD27 Lat. 47.47992 Long. -122.19149
Please provide the Latitude and Longitude of the most upstream edge of the property (in decimal degrees to the nearest fifth decimal place):
Indicate Datum: WGS84 NAD83 NAD27 Lat. 47.47923 Long. -122.19084
Address Lot Number Block
Number
Lowest Lot
Elevation*
Lowest
Adjacent
Grade To
Structure
Base Flood Elevation BFE Source
1915 Maple Valley HWY,
Renton, WA 98057
Location 1
Attach. C
N/A 44.2 52.0 42.61 Preliminary FEMA
DFIRM Profile
This certification is to be signed and sealed by a licensed land surveyor, registered professional engineer, or architect authorized by law to certify elevation
information. All documents submitted in support of this request are correct to the best of my knowledge. I understand that any false statement may be punishable
by fine or imprisonment under Title 18 of the United States Code, Section 1001.
Certifier’s Name: Edward J McCarthy License No.: 28576 Expiration Date: February 2021
Company Name: The Watershed Company Telephone No.: (425)271-5734
Email: edwardjmccarthy@comcast.net Fax No.
Signature:
Date: 07-04-2019
* For requests involving a portion of property, include the lowest ground elevation within
the metes and bounds description.
Please note: If the Lowest Adjacent Grade to Structure is the only elevation provided, a determination
will be issued for the structure only.
Seal (optional)
DHS - FEMA Form 086-0-26A, FEB 11 Elevation Form MT-1 Form 2 Page 2 of 2
Continued from Page 1.
Address Lot Number Block Number Lowest Lot
Elevation*
Lowest Adjacent
Grade To
Structure
Base Flood
Elevation BFE Source
1915 Maple Valley HWY,
Renton, WA 98057
Location 2
Attach. C
N/A 45.8 52.0 42.88 Preliminary FEMA
DFIRM Profile
1915 Maple Valley HWY,
Renton, WA 98057
Location 3
Attach. C
N/A 46.0 52.0 43.15 Preliminary FEMA
DFIRM Profile
1915 Maple Valley HWY,
Renton, WA 98057
Location 4
Attach. C
N/A 45.5 52.0 43.43 Preliminary FEMA
DFIRM Profile
1915 Maple Valley HWY,
Renton, WA 98057
Location 5
Attach. C
N/A 45.8
52.0 43.70 Preliminary FEMA
DFIRM Profile
1915 Maple Valley HWY,
Renton, WA 98057
Location 6
Attach. C
N/A 47.3 52.0 43.98 Preliminary FEMA
DFIRM Profile
1915 Maple Valley HWY,
Renton, WA 98057
Location 7
Attach. C
N/A 50.5 52.0 44.25 Preliminary FEMA
DFIRM Profile
1915 Maple Valley HWY,
Renton, WA 98057
Location 8
Attach. C
N/A 55.5 52.0 44.48
Preliminary FEMA
DFIRM Profile
This certification is to be signed and sealed by a licensed land surveyor, registered professional engineer, or architect authorized by law to certify elevation
information. All documents submitted in support of this request are correct to the best of my knowledge. I understand that any false statement may be punishable
by fine or imprisonment under Title 18 of the United States Code, Section 1001.
Certifier’s Name: Edward J McCarthy License No.: 28576 Expiration Date: February 2021
Company Name: The Watershed Company Telephone No.: (425)271-5734
Email: edwardjmccarthy@comcast.net Fax No.
Signature:
Date: 07-10-2019
* For requests involving a portion of property, include the lowest ground elevation within
the metes and bounds description.
Please note: If the Lowest Adjacent Grade to Structure is the only elevation provided, a
determination will be issued for the structure only.
Seal (optional)
DHS - FEMA Form 086-0-26B, FEB 11 Community Acknowledgment Form MT-1 Form 3 Page 1 of 1
DEPARTMENT OF HOMELAND SECURITY - FEDERAL EMERGENCY MANAGEMENT AGENCY
COMMUNITY ACKNOWLEDGMENT FORM
O.M.B. NO. 1660-0015
Expires February 28, 2014
PAPERWORK BURDEN DISCLOSURE NOTICE
Public reporting burden for this data collection is estimated to average 1.38 hours per response. The burden estimate includes the time for reviewing instructions,
searching existing data sources, gathering and maintaining the needed data, and completing and submitting the form. This collection is required to obtain or retain
benefits. You are not required to respond to this collection of information unless a valid OMB control number is displayed on this form. Send comments regarding
the accuracy of the burden estimate and any suggestions for reducing this burden to: Information Collections Management, Department of Homeland Security,
Federal Emergency Management Agency, 1800 South Bell Street, Arlington, VA 20598-3005, Paperwork Reduction Project (1660-0015). NOTE: Do not send your
completed form to this address.
This form must be completed for requests involving the existing or proposed placement of fill (complete Section A) OR to provide acknowledgment of this request to
remove a property from the SFHA which was previously located within the regulatory floodway (complete Section B).
This form must be completed and signed by the official responsible for floodplain management in the community. The six-digit NFIP community number and the
subject property address must appear in the spaces provided below. Incomplete submissions will result in processing delays. Please refer to the MT-1 instructions
for additional information about this form.
Community Number: 530088 Property Name or Address: 1915 Maple Valley HWY, Renton, WA 98057
A. REQUESTS INVOLVING THE PLACEMENT OF FILL
As the community official responsible for floodplain management, I hereby acknowledge that we have received and reviewed this Letter of Map
Revision Based on Fill (LOMR-F) or Conditional LOMR-F request. Based upon the community's review, we find the completed or proposed project
meets or is designed to meet all of the community floodplain management requirements, including the requirement that no fill be placed in the
regulatory floodway, and that all necessary Federal, State, and local permits have been, or in the case of a Conditional LOMR-F, will be obtained.
For Conditional LOMR-F requests, the applicant has or will document Endangered Species Act (ESA) compliance to FEMA prior to issuance of the
Conditional LOMR-F determination. For LOMR-F requests, I acknowledge that compliance with Sections 9 and 10 of the ESA has been achieved
independently of FEMA’s process. Section 9 of the ESA prohibits anyone from “taking” or harming an endangered species. If an action might harm
an endangered species, a permit is required from U.S. Fish and Wildlife Service or National Marine Fisheries Service under Section 10 of the ESA.
For actions authorized, funded, or being carried out by Federal or State agencies, documentation from the agency showing its compliance with
Section 7(a)(2) of the ESA will be submitted. In addition, we have determined that the land and any existing or proposed structures to be removed
from the SFHA are or will be reasonably safe from flooding as defined in 44CFR 65.2(c), and that we have available upon request by DHS-FEMA, all
analyses and documentation used to make this determination. For LOMR-F requests, we understand that this request is being forwarded to DHS-
FEMA for a possible map revision.
Community Comments:
Community Official’s Name and Title: (Please Print or Type) Telephone No.:
Community Name:
City of Renton
Community Official’s Signature: (required) Date:
B. PROPERTY LOCATED WITHIN THE REGULATORY FLOODWAY
As the community official responsible for floodplain management, I hereby acknowledge that we have received and reviewed this request for a
LOMA. We understand that this request is being forwarded to DHS-FEMA to determine if this property has been inadvertently included in the
regulatory floodway. We acknowledge that no fill on this property has been or will be placed within the designated regulatory floodway. We find
that the completed or proposed project meets or is designed to meet all of the community floodplain management requirements.
Community Comments:
Community Official’s Name and Title: (Please Print or Type) Telephone No.:
Community Name: Community Official’s Signature (required): Date:
C.E. "Chip" Vincent 425.430.6588
February 8th, 2022
FEMA Form 81-107 Payment Information Form
FEDERAL EMERGENCY MANAGEMENT AGENCY
PAYMENT INFORMATION FORM
Community Name: The City of Renton
Project Identifier: SRM Cedar River Apartments
THIS FORM MUST BE MAILED, ALONG WITH THE APPROPRIATE FEE, TO THE ADDRESS BELOW OR FAXED TO THE FAX NUMBER
BELOW.
Please make check or money order payable to the National Flood Insurance Program.
Type of Request:
MT-1 application
MT-2 application
EDR application
Request No. (if known): _______________ Check No.: _______________ Amount: $500.00
INITIAL FEE* FINAL FEE FEE BALANCE** MASTER CARD VISA CHECK MONEY ORDER
*Note: Check only for EDR and/or Alluvial Fan requests (as appropriate).
**Note: Check only if submitting a corrected fee for an ongoing request.
COMPLETE THIS SECTION ONLY IF PAYING BY CREDIT CARD
CARD NUMBER EXP. DATE
— — — —
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Month Year
_________________________________________________________________
Date Signature
NAME (AS IT APPEARS ON CARD):
(please print or type)
ADDRESS:
(for your
credit card
receipt-please
print or type)
DAYTIME PHONE:
LOMC Clearinghouse
847 South Pickett Street
Alexandria, VA 22304-4605
Attn.: LOMC Manager
FEMA Project Library
847 South Pickett Street
Alexandria, VA 22304-4605
FAX (703) 212-4090
ED MCCARTHY, P.E., PS
Hydrology ▪ Hydraulics ▪ Engineering
9957 171 AVENUE SE
RENTON, WA 98059
(425) 271-5734
July 10, 2019
LOMC Clearinghouse
847 South Pickett Street
Alexandria, VA 22304-4605
Re: Cedar River Apartments – CLOMR-F Application
Community Name: City of Renton, WA
Community No.: 530088
LOMC Reviewer:
The attached MT-1 application seeks a CLOMR-F for a portion of land currently mapped
in a Zone AE special flood hazard area (SFHA) of the Cedar River. We have used the
Preliminary FIRM (Map No. 53033C09776; September 15, 2017) for our proposed
revision since this map has been adopted by the City of Renton. Included in this
application is a metes and bounds description for the area to be removed from the SFHA.
Attachments
As part of this application package you’ll find the following:
▪ MT-1 Form
▪ Attachment A: Preliminary FIRM, Floodway Data, and Flood Profile
▪ Attachment B: Site Survey
▪ Attachment C: Grading Plan and Flood Boundary
▪ Attachment D: Compensatory Storage
▪ Attachment E: Metes & Bounds Description and Exhibit
▪ Attachment F: Annotated FIRM
▪ Attachment G: Biological Assessment & Critical Areas Study
▪ Attachment H: Statutory Warranty Deed & Tax Assessor’s Map
If you have questions regarding this application or need additional information, please
call me (425)-271-5734 or email me at edwardjmccarthy@comcast.net.
Sincerely,
LOMA Reviewer
Page 2
July 10, 2019
Edward McCarthy, Ph.D., P.E.
Attachment A. Preliminary FIRM, Floodway Data, and Flood Profile
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D
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122° 13' 07.5"47° 30' 00"
122° 11' 15"
NW 3RDPLACE
NELSONPLACE NW
NOTE: THIS AREA IS SHOWN AS BEING PROTECTED FROM THE 1-PERCENT-ANNUAL-CHANCE OR GREATER FLOOD HAZARD BY A LEVEE SYSTEM THAT HAS BEENPROVISIONALLY ACCREDITED. OVERTOPPING OR FAILURE OF ANY LEVEE SYSTEM IS POSSIBLE. FOR ADDITIONAL INFORMATION SEE THE "PROVISIONALLY ACCREDITED LEVEE NOTE" IN NOTES TO USERS.
B
FLOODING EFFECTS FROMROLLING HILLS CREEK
JOIN S PANEL 0979
JOINS PANEL 0664
JOINS PANEL 0981JOINS PANEL 09765261000mN .
5260000mN .
5259000mN .
5258000mN .
561000mE
7
560000mE
7
559000mE
7
47° 28' 07.5"
122° 11' 15"47° 28' 07.5"
NW 3RDPLACE
NELSONPLACE NW
B
FLOODING EFFECTS FROMROLLING HILLS CREEK
.
.
.
.
777
122° 13' 07.5"
47° 30' 00"
King CountyUnincorporated Areas530071
COMMUNITY NUMBER PANEL SUFFIX
CONTAINS:
(SEE MAP INDEX FOR FIRM PANEL LAYOUT)
Federal Emergency Management Agency
FLOOD INSURANCE RATE MAPFIRM
MAP REPOSITORIESRefer to Map Repositories list on Map Index
EFFECTIVE DATE OF COUNTYWIDEFLOOD INSURANCE RATE MAPSeptember 29, 1989
EFFECTIVE DATE(S) OF REVISION(S) TO THIS PANELMay 16, 1995 - to update map format.(Date of Revision) - to change Base Flood Elevations, to update corporate limits, to add roads and road names, to update the effects of wave action, to change Special Flood Hazard Areas, to change zone designations and to incorporate previously issued Letters of Map Revision.
For community map revision history prior to countywide mapping, refer to the CommunityMap History table located in the Flood Insurance Study report for this jurisdiction.
To determine if flood insurance is available in this community, contact your insurance agentor call the National Flood Insurance Program at 1-800-638-6620.
Notice to User: The Map Number shown belowshould be used when placing map orders; theCommunity Number shown above should beused on insurance applications for the subject community.
MAP REVISED
MAP NUMBER53033C0977G
KING COUNTY,WASHINGTONAND INCORPORATED AREAS
KING COUNTY 530071 0977 G
RENTON, CITY OF 530088 0977 G
NFIP
NATIONAL FLOOD INSURANCE PROGRAMPANEL 0977G
PANEL 977 OF 1700
250 10000FEET
150 3000METERS
MAP SCALE 1" = 500'500
150
NOTES TO USERS
This map is for use in ad ministering the Na tio nal Flood Insuran ce Pro gram. It doe snot necessarily identify all areas subje ct to floodin g, pa rticu larly fro m local drainagesources of small size. The community map repository should be consulted forpossible updated or addition al flood hazard in formation .
To obtain more detailed in formation in are as where Base Flood Elevations (BFEs)and/or floodways have been determined, users are encouraged to consult the FloodProfiles and Floodway Data and/or Su mmary of Stillw ate r Eleva tio ns tables con tainedwithin the Flood Insurance Study (FIS) Repo rt that a cco mp anie s th is FIRM. Usersshould be aware that BFEs shown on the FIRM represent rounde d w hole -footelevations. These BFEs are intende d for floo d in surance ra ting p urposes o nly a ndshould not be used as the sole source of flo od elevation in formation . Acco rd ingly,flood elevation data presente d in the FIS Re port sh ould b e utilize d in conjunction withthe FIRM for purposes of constru ctio n a nd/or floo dpla in ma nage me nt.
Coastal Base Flood Elevations shown on this map apply only landward of 0.0’North American Vertical Datum of 19 88 (NAVD 8 8). Users of th is FIRM sho uld b eaware that coastal flood eleva tio ns are also provided in th e Summary of Stillwa te rElevations table in the Flood Insuran ce Stud y R eport fo r this jurisdiction . Eleva tio nsshown in the Summary of Stillw ate r Ele va tions tab le should be used for constru ctio nand/or floodplain manageme nt p urposes whe n they are higher than the elevatio nsshown on this FIRM.
Boundaries of the floodways were computed at cross sections and interpolatedbetween cross sections. The flo odways were b ased o n hydra ulic co nsidera tio ns withregard to requirements of th e National Flo od In su rance Program. Flood way widthsand other pertinent floodwa y data a re provided in the Flood Insura nce Study Re portfor this jurisdiction.
Certain areas not in Special Flood Hazard Are as may b e pro tected by flood controlstructures. Refer to Section 2.4 "Flood Protection Measures" of the Flood InsuranceStudy Report for information on flood con trol structure s for this jurisd iction.
Provisionally Accredited Le vee Notes to Users: Check with yo ur localcommunity to obtain more information, such as th e estimated le vel of protectionprovided (which may exceed the 1-pe rcen t-an nual-ch ance level) an d Emerge ncyAction Plan, on the levee syste m(s) shown as providing protection fo r area s onthis panel. To maintain accreditation , the levee ow ner or co mmun ity is requiredto submit the data and documentation ne cessary to comply with Section 6 5.1 0 ofthe NFIP regulations by Nove mb er 0 1, 20 18. If the commu nity o r own er doesnot provide the necessary data a nd docu me nta tio n or if the da ta anddocumentation provided indica te the levee syste m d oes not comply withSection 65.10 requireme nts, FEMA will revise the flood hazard and riskinformation for this area to reflect de-accredita tio n of th e levee system. Tomitigate flood risk in residua l risk areas, prope rty own ers and residents areencouraged to consider flood in surance an d floodp roofing or o the r prote ctivemeasures. For more informa tion on flood insura nce, interested p arties shou ldvisit the FEMA Website a t http://www.fe ma .go v/na tio nal-floo d-insuran ce -program.
The projection used in the preparation of this map was Universal TransverseMercator (UTM) zone 10. The horizontal datum was NAD 83, GRS 1980spheroid. Differences in d atu m, sp heroid , proje ctio n o r UTM zone s used in theproduction of FIRMs for adjace nt jurisd ictions may result in slig ht positio naldifferences in map features across ju risdiction b ound aries. These d iffere nces do n otaffect the accuracy of this FIRM.
Flood elevations on this ma p are referenced to th e No rth American Ve rtica l Da tum o f1988. These flood elevations mu st be compared to structure and groun d ele vationsreferenced to the same vertical datum. For information regarding conversionbetween the National Geodetic Vertica l Datum of 192 9 and the North America nVertical Datum of 1988, visit the Na tional G eodetic Survey we bsite athttp://www.ngs.noaa.gov or contact the National Geodetic Survey at the followingaddress:
NGS Information ServicesNOAA, N/NGS12National Geodetic SurveySSMC-3, #92021315 East-West HighwaySilver Spring, Maryland 20910 -3282(301) 713-3242
To obtain current elevation, d escription, and/or loca tio n information for bench marksshown on this map, please co ntact th e Information Services Bra nch of the Nationa lGeodetic Survey at (301) 713- 3242, or visit its website at http://www.ngs.noaa.gov.
Base Map information shown on the FIRM was derived from multip lesources. Base map files we re p ro vided in digital fo rma t by King County G IS, WADNR, WSDOT, and Pierce Co unty G IS. This information was compiled at scales of1:12,000 to 24,000 during the time period of 199 4-2012 .
The profile baselines depicted on this map represent the hydraulic modeling baselines that match the flood profiles in the FIS re port. As a result of imp ro ved to pograph ic data, the profile baseline, in some cases, may deviate significantly from the channel centerline or appear outside the SFHA.
Based on updated topogra phic in formation , this map refle cts more detailed an dup-to-date stream channel configurations and floodplain delineations thanthose shown on the previo us FIRM for this jurisdiction . As a re su lt, th e FloodProfiles and Floodway Data table s for multiple stre ams in the FloodInsurance Study Report (w hich co nta ins authoritative hydraulic da ta) may reflectstream channel distances th at differ fro m wha t is shown on the ma p. Also, the road to floodplain relationship s fo r unrevise d stre ams ma y differ fro m what isshown on previous maps.
Corporate limits shown on this map are based on the best data available at the timeof publication. Because cha nges d ue to ann exations or d e-anne xa tions may haveoccurred after this map w as p ublish ed, map use rs should contact app ro priatecommunity officials to verify current corpo rate limit loca tio ns.
Please refer to the separa tely printed Map Index for an overview map of thecounty showing the layou t of ma p pa nels; community map repo sito ry addresses;and a Listing of Communities tab le co nta inin g Na tio nal Flood In su ra nce Prog ra mdates for each community as w ell as a listin g of the pa nels o n which each co mmun ityis located.
For information on availab le p roducts associa ted with this FIRM visit th e MapService Center (MSC) website at http://msc.fema.gov. Available products mayinclude previously issue d Letters of Map Ch ange, a Flo od Insurance Stud y Report,and/or digital versions of this map. Man y of these prod ucts can be o rdered orobtained directly from the MSC we bsite.
If you have questions about this map, how to order products, or the NationalFlood Insurance Program in gene ral, ple ase call the FEMA Map InformationeXchange (FMIX) at 1-877-FEMA-MAP (1-877-336-2627) or visit the FEMAwebsite at http://www.fema.gov/business/nfip.
Zone D boundary
Floodway boundary
1% Annual Chance Floodplain Boundary
0.2% Annual Chance Floodplain Boundary
*Referenced to the North American Vertical Datum of 1988
D
!!!!!!!!!!!!!!LEGEND
SPECIAL FLOOD HAZARD AREAS (SFHAs) SUBJECT TOINUNDATION BY THE 1% ANNUAL CHANCE FLOOD
ZONE A
ZONE AE
ZONE AH
ZONE AO
ZONE AR
ZONE A99
ZONE V
ZONE VE
ZONE X
FLOODWAY AREAS IN ZONE AE
OTHER FLOOD AREAS
OTHER AREAS
ZONE X
ZONE D
The 1% annual chance flood (100-year flood), also known as the base flood, is the flood that hasa 1% chance of being equaled or exceeded in any given year. The Special Flood Hazard Area isthe area subject to flooding by the 1% annual chance flood. Areas of Special Flood Hazardinclude Zones A, AE, AH, AO, AR, A99, V, and VE. The Base Flood Elevation is the water-surfaceelevation of the 1% annual chance flood.
No Base Flood Elevations determined.
Base Flood Elevations determined.
Flood depths of 1 to 3 feet (usually areas of ponding); Base Flood Elevationsdetermined.
Flood depths of 1 to 3 feet (usually sheet flow on sloping terrain); averagedepths determined. For areas of alluvial fan flooding, velocities also determined.
Special Flood Hazard Areas formerly protected from the 1% annual chanceflood by a flood control system that was subsequently decertified. ZoneAR indicates that the former flood control system is being restored to provideprotection from the 1% annual chance or greater flood.Area to be protected from 1% annual chance flood by a Federal floodprotection system under construction; no Base Flood Elevations determined.
Coastal flood zone with velocity hazard (wave action); no Base Flood Elevationsdetermined.
Coastal flood zone with velocity hazard (wave action); Base Flood Elevationsdetermined.
The floodway is the channel of a stream plus any adjacent floodplain areas that must be kept free ofencroachment so that the 1% annual chance flood can be carried without substantial increases inflood heights.
Areas of 0.2% annual chance flood; areas of 1% annual chance flood withaverage depths of less than 1 foot or with drainage areas less than 1 squaremile; and areas protected by levees from 1% annual chance flood.
Areas determined to be outside the 0.2% annual chance floodplain.
Areas in which flood hazards are undetermined, but possible.
CBRS areas and OPAs are normally located within or adjacent to Special Flood Hazard Areas.
CBRS and OPA boundary
Boundary dividing Special Flood Hazard Area Zones and boundary dividing Special Flood Hazard Areas of different Base Flood Elevations, flood depths, or flood velocities.
Base Flood Elevation value where uniform within zone; elevation infeet*
Cross section line
Transect line
Geographic coordinates referenced to the North American Datum of1983 (NAD 83) Western Hemisphere
1000-meter Universal Transverse Mercator grid values, zone 104989000m N
Bench mark (see explanation in Notes to Users section of this FIRMpanel)
River Mile
Base Flood Elevation line and value; elevation in feet*
COASTAL BARRIER RESOURCES SYSTEM (CBRS) AREAS
OTHERWISE PROTECTED AREAS (OPAs)
513
(EL 987)
45° 02’ 08”, 93° 02’ 12”
DX5510
M1.5
A A
23 23
Attachment B. Site Survey
0GRAPHIC SCALE150'300'600'1 INCH = 300 FT.
0GRAPHIC SCALE25'50'100'1 INCH = 50 FT.
Attachment C. Grading Plan and Flood Boundary
PROPERTY BOUNDARYFLOODWAYEXISTING 100-YEAR FLOOD BOUNDARYPROPOSED 100-YEAR FLOOD BOUNDARY2-FT CONTOUR PROPOSEDOHWMCONTOUR EXISTINGPROPOSED SHORELINE CONTOURPROPOSED DEVELOPMENT CONTOUR5452 504846424038PROPOSED STORMWATEROUTFALL443644PROPOSED ADAPAVED ASPHALT PATHSTEPSPRELIMINARY 100-YEARFLOODPLAIN BOUNDARYPROPOSEDCONTOURCUT WATERWARD WALL DOWN TO 35'FLOODWAYLEGEND42PROPOSEDRETAINING WALLPROPOSED STORMWATEROUTFALL44GRADING PLAN & FLOOD BOUNDARY160'40'20'0'80'EXISTING BASINSTRUCTURES TOBE REMOVEDEASTERN WALL TO REMAIN ATCURRENT HEIGHTMAPLE VALLEY HWY53
51 494745433739413543NOTES1.1% CHANCE ANNUAL FLOOD DEMARCATED USING FEDERAL EMERGENCYMANAGEMENT AGENCY (FEMA) FLOOD PROFILES FOR THE CEDAR RIVER(PRELIMINARY FIS, KING COUNTY WASHINGTON AND INCORPORATEDAREAS, REVISED APRIL 19, 2005).2.FEMA BASE FLOOD ELEVATION CONTOURS AND CROSS-SECTION SHOWNARE FROM NFIP PRELIMINARY FIRM MAP 53033C0977G (9/15/2017).3.VERTICAL DATUM: NAVD88 PER CITY OF RENTON VERTICAL CONTROL.4.SURVEYOR: D.R. STRONG CONSULTING ENGINEERS. 620 7TH AVENUE,KIRKLAND, WA 98033. (425)827-3063.5.STRUCTURE SITE DESIGN PROVIDED BY RMA ARCHITECTS. BALLINGERWAY N.E. STE A3, SEATTLE, WA 98155. (206)440-0330.CEDAR RIVERFFE = 52.0'FFE = 52.0'PROPOSED PEDESTRIANPATH OVERLOOKPROPOSED FIRE LANEPOST-PROJECT 100-YEARFLOODPLAIN BOUNDARYPROPOSEDSTRUCTUREFOOTPRINT48504646484850 43' BFE CONTOUR 44' BFE CONTOURFEMA CROSS-SECTION Z(APPROXIMATE LOCATION)VERTICAL DATUMNAVD 88 PER CITY OF RENTON VERTICALCONTROLHORIZONTAL DATUMWGS84, LATITUDE-LONGITUDE42METES AND BOUNDS(CONNECTS TO THE EXISTINGPROPERTY BOUNDARY)METES AND BOUNDSLOCATION 1PROPOSED GRADE: 44.20 FTBFE: 42.61 FTLOCATION 2PROPOSED GRADE: 45.80 FTBFE: 42.88 FTLOCATION 3PROPOSED GRADE: 46.00 FTBFE: 43.15 FTLOCATION 4PROPOSED GRADE: 45.50 FTBFE: 43.43 FTLOCATION 5PROPOSED GRADE: 45.75 FTBFE: 43.70 FTLOCATION 6PROPOSED GRADE: 47.30 FTBFE: 43.98LOCATION 7PROPOSED GRADE: 50.50 FTBFE: 44.25LOCATION 8PROPOSED GRADE: 55.5 FTBFE: 44.48
Attachment D. Compensatory Storage
PROPERTY BOUNDARYFLOODWAYEXISTING 100-YEAR FLOOD BOUNDARYPROPOSED 100-YEAR FLOOD BOUNDARY2-FT CONTOUR PROPOSEDOHWMCONTOUR EXISTINGPROPOSED SHORELINE CONTOURPROPOSED DEVELOPMENT CONTOURCUT (> 6") IN EXISTING FLOOD BOUNDARYFILL (> 6") IN EXISTING FLOOD BOUNDARYCOMPENSATORY STORAGE200'50'25'0100'PROPOSED 2-FT CONTOURLEGENDCUT AND FILL CALCULATIONSFLOODPLAIN CUT = 1,373.8 CYFLOODPLAIN FILL = 883.3 CYNET (CUT) = 490.5 CYWASHOUT BASIN ADDED STORAGE = 2,125.6 CYNET INCREASE IN FLOOD STORAGE = 2,616.1 CYWASHOUT BASIN*NOTES*WASHOUT BASIN IS DEAD FLOODPLAIN STORAGE.CUTTING THE SOUTH WALL DOWN FROM 42' TO 35'WILL CREATE ACTIVE FLOODPLAIN STORAGE.VERTICAL DATUMNAVD 88 PER CITY OF RENTON VERTICALCONTROL5452 504846424038443644424453
5149 47454339414337CEDAR RIVERFFE = 52.0'FFE = 52.0'PROPOSEDSTRUCTUREFOOTPRINTPROPOSED ADA PAVED ASPHALT PATHPRELIMINARY 100-YEARFLOODPLAIN BOUNDARYFLOODWAYPOST-PROJECT 100-YEARFLOOD BOUNDARY3542HORIZONTAL DATUMWGS84, LATITUDE-LONGITUDE4646484850
Attachment E. Metes & Bounds Description and Exhibit
METES AND BOUNDS LEGAL DESCRIPTION
D.R. STRONG
CONSULTING ENGINEERS
KIRKLAND WA 98033
DRS PROJECT NO. 17066
06/04/19
THAT PORTION OF TAX PARCEL NUMBER 1723059026, BEING A PORTION OF
GOVERNMENT LOTS 4, 6 AND 7, LOCATED IN THE SOUTHWEST QUARTER AND
SOUTHEAST QUARTER OF SECTION 17, TOWNSHIP 23 NORTH, RANGE 5 EAST,
WILLAMETTE MERIDIAN, KING COUNTY, WASHINGTON, AS DESCRIBED IN EXHIBIT "E"
(REVISED LEGAL DESCRIPTION OF THE ANMARCO PROPERTY) IN THE DOCUMENT
RECORDED UNDER RECORDING NUMBER 20090112001505 OF THE RECORDS OF KING
COUNTY, WASHINGTON, DESCRIBED AS FOLLOWS:
BEGINNING AT THE WESTERLY-MOST NORTHWEST CORNER OF SAID PARCEL AS
DESCRIBED IN SAID EXHIBIT “E”;
THENCE ALONG THE WESTERLY LINE OF SAID PARCEL SOUTH 28°17'42" WEST A
DISTANCE OF 282.63 FEET;
THENCE LEAVING SAID WESTERLY LINE SOUTH 60°57'00" EAST A DISTANCE OF 59.26
FEET;
THENCE SOUTH 81°11'20" EAST A DISTANCE OF 130.51 FEET;
THENCE NORTH 84°43'57" EAST A DISTANCE OF 58.94 FEET;
THENCE SOUTH 86°02'55" EAST A DISTANCE OF 396.99 FEET;
THENCE SOUTH 82°51'39" EAST A DISTANCE OF 117.96 FEET;
THENCE SOUTH 78°26'44" EAST A DISTANCE OF 386.55 FEET;
THENCE SOUTH 69°58'47" EAST A DISTANCE OF 217.09 FEET TO THE EASTERLY LINE OF
SAID PARCEL;
THENCE ALONG SAID EASTERLY LINE THE FOLLOWING THREE (3) COURSES AND
DISTANCES:
NORTH 00°38'55" WEST A DISTANCE OF 48.26 FEET;
THENCE NORTH 03°11'04" EAST A DISTANCE OF 24.54 FEET;
THENCE NORTH 03°47'18" WEST A DISTANCE OF 21.56 FEET TO THE EASTERLY-MOST
NORTHEAST CORNER OF SAID PARCEL;
THENCE ALONG THE NORTHEASTERLY AND NORTHERLY LINES OF SAID PARCEL THE
FOLLOWING THIRTY-ONE (31) COURSES AND DISTANCES:
NORTH 43°36'42" WEST A DISTANCE OF 11.43 FEET;
THENCE NORTH 45°12'53" WEST A DISTANCE OF 162.69 FEET;
THENCE NORTH 45°00'49" WEST A DISTANCE OF 71.93 FEET;
THENCE NORTH 44°48'18" WEST A DISTANCE OF 43.14 FEET;
THENCE SOUTH 44°34'31" WEST A DISTANCE OF 18.55 FEET;
THENCE NORTH 45°24'59" WEST A DISTANCE OF 97.58 FEET;
THENCE NORTH 44°38'09" EAST A DISTANCE OF 20.00 FEET;
THENCE NORTH 44°56'14" WEST A DISTANCE OF 33.44 FEET;
THENCE NORTH 44°05'20" WEST A DISTANCE OF 53.75 FEET;
THENCE SOUTH 45°14'42" WEST A DISTANCE OF 3.00 FEET;
THENCE NORTH 44°05'20" WEST A DISTANCE OF 10.00 FEET;
THENCE NORTH 45°14'42" EAST A DISTANCE OF 3.00 FEET;
THENCE NORTH 44°05'20" WEST A DISTANCE OF 58.64 FEET;
THENCE NORTH 43°03'25" WEST A DISTANCE OF 81.48 FEET;
THENCE NORTH 42°20'00" WEST A DISTANCE OF 9.80 FEET;
THENCE SOUTH 47°24'39" WEST A DISTANCE OF 3.04 FEET;
THENCE NORTH 42°27'59" WEST A DISTANCE OF 10.00 FEET;
THENCE NORTH 47°24'39" EAST A DISTANCE OF 3.02 FEET;
THENCE NORTH 42°20'01" WEST A DISTANCE OF 30.15 FEET;
THENCE SOUTH 47°56'52" WEST A DISTANCE OF 2.00 FEET;
THENCE NORTH 42°03'08" WEST A DISTANCE OF 15.04 FEET;
THENCE NORTH 47°56'52" EAST A DISTANCE OF 2.00 FEET;
THENCE NORTH 41°42'30" WEST A DISTANCE OF 52.17 FEET;
THENCE NORTH 86°11'17" WEST A DISTANCE OF 19.84 FEET;
THENCE SOUTH 47°51'20" WEST A DISTANCE OF 34.62 FEET;
THENCE NORTH 42°08'40" WEST A DISTANCE OF 10.48 FEET;
THENCE SOUTH 47°51'20" WEST A DISTANCE OF 3.44 FEET;
THENCE SOUTHWEST ALONG THE ARC OF A TANGENT CURVE TO THE RIGHT HAVING A
RADIUS OF 394.50 FEET THROUGH A CENTRAL ANGLE OF 04°35'00", A DISTANCE OF 31.56
FEET;
THENCE NORTH 37°33'40" WEST A DISTANCE OF 4.50 FEET;
THENCE SOUTHWEST ALONG THE ARC OF A NON-TANGENT CURVE TO THE RIGHT THE
CENTER OF WHICH BEARS NORTH 37°3340" WEST HAVING A RADIUS OF 390.00 FEET
THROUGH A CENTRAL ANGLE OF 18°08'11" A DISTANCE OF 123.45 FEET;
THENCE SOUTH 47°51'52" WEST A DISTANCE OF 31.45 FEET;
THENCE SOUTH 88°45'22" WEST A DISTANCE OF 251.95 FEET;
THENCE SOUTH 39°43'57" WEST A DISTANCE OF 73.20 FEET;
THENCE NORTH 78°45'18" WEST A DISTANCE OF 176.04 FEET TO THE POINT OF
BEGINNING.
AREA OF THAT PORTION OF PROPERTY WITHIN METES AND BOUNDS LIMITS IS 395,982
SQUARE FEET OR 9.0905 ACRES, MORE OR LESS.
06/06/06/06/04040404/19/19/19/19
R:\2017\0\17066\2\Documents\Legals\CLOMR-F\17066_Metes and Bounds Description_190604.doc
0
GRAPHIC SCALE
30'60'120'
1 INCH = 60 FT.
“”
Attachment F. Annotated FIRM
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D
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LeveeLevee
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122° 13' 07.5"47° 30' 00"
122° 11' 15"
NW 3RDPLACE
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NOTE: THIS AREA IS SHOWN AS BEING PROTECTED FROM THE 1-PERCENT-ANNUAL-CHANCE OR GREATER FLOOD HAZARD BY A LEVEE SYSTEM THAT HAS BEENPROVISIONALLY ACCREDITED. OVERTOPPING OR FAILURE OF ANY LEVEE SYSTEM IS POSSIBLE. FOR ADDITIONAL INFORMATION SEE THE "PROVISIONALLY ACCREDITED LEVEE NOTE" IN NOTES TO USERS.
B
FLOODING EFFECTS FROMROLLING HILLS CREEK
JOIN S PANEL 0979
JOINS PANEL 0664
JOINS PANEL 0981JOINS PANEL 09765261000mN .
5260000mN .
5259000mN .
5258000mN .
561000mE
7
560000mE
7
559000mE
7
47° 28' 07.5"
122° 11' 15"47° 28' 07.5"
NW 3RDPLACE
NELSONPLACE NW
B
FLOODING EFFECTS FROMROLLING HILLS CREEK
.
.
.
.
777
122° 13' 07.5"
47° 30' 00"
King CountyUnincorporated Areas530071
COMMUNITY NUMBER PANEL SUFFIX
CONTAINS:
(SEE MAP INDEX FOR FIRM PANEL LAYOUT)
Federal Emergency Management Agency
FLOOD INSURANCE RATE MAPFIRM
MAP REPOSITORIESRefer to Map Repositories list on Map Index
EFFECTIVE DATE OF COUNTYWIDEFLOOD INSURANCE RATE MAPSeptember 29, 1989
EFFECTIVE DATE(S) OF REVISION(S) TO THIS PANELMay 16, 1995 - to update map format.(Date of Revision) - to change Base Flood Elevations, to update corporate limits, to add roads and road names, to update the effects of wave action, to change Special Flood Hazard Areas, to change zone designations and to incorporate previously issued Letters of Map Revision.
For community map revision history prior to countywide mapping, refer to the CommunityMap History table located in the Flood Insurance Study report for this jurisdiction.
To determine if flood insurance is available in this community, contact your insurance agentor call the National Flood Insurance Program at 1-800-638-6620.
Notice to User: The Map Number shown belowshould be used when placing map orders; theCommunity Number shown above should beused on insurance applications for the subject community.
MAP REVISED
MAP NUMBER53033C0977G
KING COUNTY,WASHINGTONAND INCORPORATED AREAS
KING COUNTY 530071 0977 G
RENTON, CITY OF 530088 0977 G
NFIP
NATIONAL FLOOD INSURANCE PROGRAMPANEL 0977G
PANEL 977 OF 1700
250 10000FEET
150 3000METERS
MAP SCALE 1" = 500'500
150
NOTES TO USERS
This map is for use in ad ministering the Na tio nal Flood Insuran ce Pro gram. It doe snot necessarily identify all areas subje ct to floodin g, pa rticu larly fro m local drainagesources of small size. The community map repository should be consulted forpossible updated or addition al flood hazard in formation .
To obtain more detailed in formation in are as where Base Flood Elevations (BFEs)and/or floodways have been determined, users are encouraged to consult the FloodProfiles and Floodway Data and/or Su mmary of Stillw ate r Eleva tio ns tables con tainedwithin the Flood Insurance Study (FIS) Repo rt that a cco mp anie s th is FIRM. Usersshould be aware that BFEs shown on the FIRM represent rounde d w hole -footelevations. These BFEs are intende d for floo d in surance ra ting p urposes o nly a ndshould not be used as the sole source of flo od elevation in formation . Acco rd ingly,flood elevation data presente d in the FIS Re port sh ould b e utilize d in conjunction withthe FIRM for purposes of constru ctio n a nd/or floo dpla in ma nage me nt.
Coastal Base Flood Elevations shown on this map apply only landward of 0.0’North American Vertical Datum of 19 88 (NAVD 8 8). Users of th is FIRM sho uld b eaware that coastal flood eleva tio ns are also provided in th e Summary of Stillwa te rElevations table in the Flood Insuran ce Stud y R eport fo r this jurisdiction . Eleva tio nsshown in the Summary of Stillw ate r Ele va tions tab le should be used for constru ctio nand/or floodplain manageme nt p urposes whe n they are higher than the elevatio nsshown on this FIRM.
Boundaries of the floodways were computed at cross sections and interpolatedbetween cross sections. The flo odways were b ased o n hydra ulic co nsidera tio ns withregard to requirements of th e National Flo od In su rance Program. Flood way widthsand other pertinent floodwa y data a re provided in the Flood Insura nce Study Re portfor this jurisdiction.
Certain areas not in Special Flood Hazard Are as may b e pro tected by flood controlstructures. Refer to Section 2.4 "Flood Protection Measures" of the Flood InsuranceStudy Report for information on flood con trol structure s for this jurisd iction.
Provisionally Accredited Le vee Notes to Users: Check with yo ur localcommunity to obtain more information, such as th e estimated le vel of protectionprovided (which may exceed the 1-pe rcen t-an nual-ch ance level) an d Emerge ncyAction Plan, on the levee syste m(s) shown as providing protection fo r area s onthis panel. To maintain accreditation , the levee ow ner or co mmun ity is requiredto submit the data and documentation ne cessary to comply with Section 6 5.1 0 ofthe NFIP regulations by Nove mb er 0 1, 20 18. If the commu nity o r own er doesnot provide the necessary data a nd docu me nta tio n or if the da ta anddocumentation provided indica te the levee syste m d oes not comply withSection 65.10 requireme nts, FEMA will revise the flood hazard and riskinformation for this area to reflect de-accredita tio n of th e levee system. Tomitigate flood risk in residua l risk areas, prope rty own ers and residents areencouraged to consider flood in surance an d floodp roofing or o the r prote ctivemeasures. For more informa tion on flood insura nce, interested p arties shou ldvisit the FEMA Website a t http://www.fe ma .go v/na tio nal-floo d-insuran ce -program.
The projection used in the preparation of this map was Universal TransverseMercator (UTM) zone 10. The horizontal datum was NAD 83, GRS 1980spheroid. Differences in d atu m, sp heroid , proje ctio n o r UTM zone s used in theproduction of FIRMs for adjace nt jurisd ictions may result in slig ht positio naldifferences in map features across ju risdiction b ound aries. These d iffere nces do n otaffect the accuracy of this FIRM.
Flood elevations on this ma p are referenced to th e No rth American Ve rtica l Da tum o f1988. These flood elevations mu st be compared to structure and groun d ele vationsreferenced to the same vertical datum. For information regarding conversionbetween the National Geodetic Vertica l Datum of 192 9 and the North America nVertical Datum of 1988, visit the Na tional G eodetic Survey we bsite athttp://www.ngs.noaa.gov or contact the National Geodetic Survey at the followingaddress:
NGS Information ServicesNOAA, N/NGS12National Geodetic SurveySSMC-3, #92021315 East-West HighwaySilver Spring, Maryland 20910 -3282(301) 713-3242
To obtain current elevation, d escription, and/or loca tio n information for bench marksshown on this map, please co ntact th e Information Services Bra nch of the Nationa lGeodetic Survey at (301) 713- 3242, or visit its website at http://www.ngs.noaa.gov.
Base Map information shown on the FIRM was derived from multip lesources. Base map files we re p ro vided in digital fo rma t by King County G IS, WADNR, WSDOT, and Pierce Co unty G IS. This information was compiled at scales of1:12,000 to 24,000 during the time period of 199 4-2012 .
The profile baselines depicted on this map represent the hydraulic modeling baselines that match the flood profiles in the FIS re port. As a result of imp ro ved to pograph ic data, the profile baseline, in some cases, may deviate significantly from the channel centerline or appear outside the SFHA.
Based on updated topogra phic in formation , this map refle cts more detailed an dup-to-date stream channel configurations and floodplain delineations thanthose shown on the previo us FIRM for this jurisdiction . As a re su lt, th e FloodProfiles and Floodway Data table s for multiple stre ams in the FloodInsurance Study Report (w hich co nta ins authoritative hydraulic da ta) may reflectstream channel distances th at differ fro m wha t is shown on the ma p. Also, the road to floodplain relationship s fo r unrevise d stre ams ma y differ fro m what isshown on previous maps.
Corporate limits shown on this map are based on the best data available at the timeof publication. Because cha nges d ue to ann exations or d e-anne xa tions may haveoccurred after this map w as p ublish ed, map use rs should contact app ro priatecommunity officials to verify current corpo rate limit loca tio ns.
Please refer to the separa tely printed Map Index for an overview map of thecounty showing the layou t of ma p pa nels; community map repo sito ry addresses;and a Listing of Communities tab le co nta inin g Na tio nal Flood In su ra nce Prog ra mdates for each community as w ell as a listin g of the pa nels o n which each co mmun ityis located.
For information on availab le p roducts associa ted with this FIRM visit th e MapService Center (MSC) website at http://msc.fema.gov. Available products mayinclude previously issue d Letters of Map Ch ange, a Flo od Insurance Stud y Report,and/or digital versions of this map. Man y of these prod ucts can be o rdered orobtained directly from the MSC we bsite.
If you have questions about this map, how to order products, or the NationalFlood Insurance Program in gene ral, ple ase call the FEMA Map InformationeXchange (FMIX) at 1-877-FEMA-MAP (1-877-336-2627) or visit the FEMAwebsite at http://www.fema.gov/business/nfip.
Zone D boundary
Floodway boundary
1% Annual Chance Floodplain Boundary
0.2% Annual Chance Floodplain Boundary
*Referenced to the North American Vertical Datum of 1988
D
!!!!!!!!!!!!!!LEGEND
SPECIAL FLOOD HAZARD AREAS (SFHAs) SUBJECT TOINUNDATION BY THE 1% ANNUAL CHANCE FLOOD
ZONE A
ZONE AE
ZONE AH
ZONE AO
ZONE AR
ZONE A99
ZONE V
ZONE VE
ZONE X
FLOODWAY AREAS IN ZONE AE
OTHER FLOOD AREAS
OTHER AREAS
ZONE X
ZONE D
The 1% annual chance flood (100-year flood), also known as the base flood, is the flood that hasa 1% chance of being equaled or exceeded in any given year. The Special Flood Hazard Area isthe area subject to flooding by the 1% annual chance flood. Areas of Special Flood Hazardinclude Zones A, AE, AH, AO, AR, A99, V, and VE. The Base Flood Elevation is the water-surfaceelevation of the 1% annual chance flood.
No Base Flood Elevations determined.
Base Flood Elevations determined.
Flood depths of 1 to 3 feet (usually areas of ponding); Base Flood Elevationsdetermined.
Flood depths of 1 to 3 feet (usually sheet flow on sloping terrain); averagedepths determined. For areas of alluvial fan flooding, velocities also determined.
Special Flood Hazard Areas formerly protected from the 1% annual chanceflood by a flood control system that was subsequently decertified. ZoneAR indicates that the former flood control system is being restored to provideprotection from the 1% annual chance or greater flood.Area to be protected from 1% annual chance flood by a Federal floodprotection system under construction; no Base Flood Elevations determined.
Coastal flood zone with velocity hazard (wave action); no Base Flood Elevationsdetermined.
Coastal flood zone with velocity hazard (wave action); Base Flood Elevationsdetermined.
The floodway is the channel of a stream plus any adjacent floodplain areas that must be kept free ofencroachment so that the 1% annual chance flood can be carried without substantial increases inflood heights.
Areas of 0.2% annual chance flood; areas of 1% annual chance flood withaverage depths of less than 1 foot or with drainage areas less than 1 squaremile; and areas protected by levees from 1% annual chance flood.
Areas determined to be outside the 0.2% annual chance floodplain.
Areas in which flood hazards are undetermined, but possible.
CBRS areas and OPAs are normally located within or adjacent to Special Flood Hazard Areas.
CBRS and OPA boundary
Boundary dividing Special Flood Hazard Area Zones and boundary dividing Special Flood Hazard Areas of different Base Flood Elevations, flood depths, or flood velocities.
Base Flood Elevation value where uniform within zone; elevation infeet*
Cross section line
Transect line
Geographic coordinates referenced to the North American Datum of1983 (NAD 83) Western Hemisphere
1000-meter Universal Transverse Mercator grid values, zone 104989000m N
Bench mark (see explanation in Notes to Users section of this FIRMpanel)
River Mile
Base Flood Elevation line and value; elevation in feet*
COASTAL BARRIER RESOURCES SYSTEM (CBRS) AREAS
OTHERWISE PROTECTED AREAS (OPAs)
513
(EL 987)
45° 02’ 08”, 93° 02’ 12”
DX5510
M1.5
A A
23 23
Attachment G: Biological Assessment & Critical Areas Study
Biological Assessment/Critical Areas Study
Cedar River Apartments
Renton, Washington
October 2018
Prepared for:
City of Renton
Planning Division
1055 South Grady Way
Renton, WA 98057
Prepared on Behalf of:
SRMRenton, LLC
111 N. Post, Suite 200
Spokane, WA 99201
2
Title-page image: Existing bankline of Cedar River at western end of property.
Statement of Accuracy: The information contained in this report is based on the application
of technical guidelines currently accepted as the best available science. All discussions,
conclusions and recommendations reflect the best professional judgment of the author(s)
and are based upon information available at the time the study was conducted. All work
was completed within the constraints of budget, scope, and timing. The findings of this
report are subject to verification and agreement by the appropriate local, state and federal
regulatory authorities. No other warranty, expressed or implied, is made.
The Watershed Company Reference Number: 170314
The Watershed Company Contact: Sarah Sandstrom,
Senior Fisheries Biologist
The Watershed Company
October 2018
1
1. Background
In 2008, the National Marine Fisheries Service (NMFS) issued a Biological Opinion, which
found that the implementation of the National Flood Insurance Program (NFIP) in the
Puget Sound region jeopardized the continued existence of federally threatened salmonids
and resident killer whales. As a result, NMFS established Reasonable and Prudent
Alternatives to ensure that development within the Special Flood Hazard Area (100-year
floodplain), floodway, Channel Migration Zone (CMZ), and riparian buffer zone do not
adversely affect water quality, flood volumes, flood velocities, spawning substrate, or
floodplain refugia for listed salmonids. Because the NFIP is implemented by FEMA
through participation by local jurisdictions that adopt and enforce floodplain management
ordinances, FEMA has delegated responsibility to the local jurisdictions to ensure that
development does not adversely affect listed species.
To that end, RMC 4-8-120D.2 requires preparation of a biological assessment/critical areas
study for projects with the potential to impact fish (Chinook salmon, bull trout, steelhead
trout), unexpected, new, rare or other endangered species habitat (bald eagles). This report
evaluates the likely effects of proposed alterations within the floodplain, riparian buffer
zone, and channel migration zone and finds that the project is not likely to adversely affect
threatened salmonids or critical habitat.
The project does not have a federal nexus; therefore, consultation with NMFS and US Fish
and Wildlife Service is not required under Section 7 of the Endangered Species Act (ESA).
The project, as proposed, will not result in “take” of listed species; therefore, Section 9 of the
ESA does not apply.
2. Site Description
2.1 Project Location
The proposed project is located at 1915 Maple Valley Highway (parcel 1723059026) in the
incorporated area of the City of Renton, Washington (Figure 1). The project area is located
just southeast of where the Maple Valley Highway crosses beneath Interstate 405 in Section
17, Township 23 North, Range 5 East. It lies within the Lower Cedar River Drainage Basin
or the Cedar-Sammamish Watershed Resource Inventory Area (WRIA 8). The property is
bordered to the west by Cedar River Park, to the east by a developed commercial parcel, to
the north by Maple Valley Highway, and to the south by the Cedar River. Across the Maple
Valley Highway from the parcel is an undeveloped, forested HOA open space tract.
Another undeveloped, forested parcel, owned by the City of Renton, is present along the
southern bank of the Cedar River across from the project area.
2
Figure 1. Vicinity Map and street level aerial (King County iMap).
Project location
Parcel #1723059026
The Watershed Company
October 2018
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2.2 Flood Features
The Special Flood Hazard Area (100-year floodplain) of the Cedar River includes the
southern portion of the project area extending up to approximately 150 feet landward from
the OHWM (See Figure 2 and site plan). The most conservative 100-yr flood profile was
determined based on a comparison of the FEMA Effective FIRM (FEMA 1995), preliminary
DFIRM (FEMA 2013), and output results from the updated HEC-RAS based model
(containing the latest available LiDAR data) as received from King County River and Flood
District. The most conservative (highest) floodplain values came from the preliminary
DFIRM, which was used as the basis for the floodplain delineation. A horizontal projection
of the 100-year flood boundary was delineated by intersecting the site topography surface
and the flood water surface using a digital surface created in Civil 3D based on topographic
contours from the site survey from D.R. Strong Consulting Engineers Inc., dated August 16,
2017.
The mapped floodway is generally consistent with the delineated OHWM, except in the
western portion of the site, where the floodway extends approximately 35 feet landward
from the OHWM. Aside from the Cedar River, no other streams or wetlands are present in
the project area.
King County maps the entire parcel as within the severe CMZ hazard area (King County
2015). This classification is based on the historic river channel, which occupied the parcel
location. Per the King County methodology, any area within the historical migration one
was mapped as severe hazard area, and privately maintained structures were not
considered as potential limits to migration. Today, shoreline stabilization in the eastern half
of the project area limits potential channel migration into the site.
The Riparian Buffer Zone (RBZ), designated by the National Marine Fisheries Service
(NMFS), extends 250 feet landward from the OHWM. Within the boundaries of RBZ, the
100 feet landward from the OHWM is regulated as a stream buffer under the Renton
Critical Areas Regulations.
4
Figure 2. Approximate location of flood features. Landward extent of special flood hazard area depicted in blue. Landward extent of 100-foot buffer depicted
in brown. Landward extent of 250-foot Riparian Buffer Zone depicted in yellow. OHWM depicted in purple.
The Watershed Company
October 2018
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2.3 Environmental Setting
The baseline conditions that in the Lake Washington watershed are described in Salmon and
Steelhead Habitat Limiting Factors Report for WRIA 8 (Kerwin 2001); and the Lake
Washington/Cedar/Sammamish Watershed (WRIA 8) Chinook Salmon Conservation Plan (WRIA 8
2005). The following discussion describes the relevant site-specific baseline conditions, in
particular focusing on those items that are unique about the site.
Site visits were conducted in May, September and March of 2017 to evaluate the existing
conditions of the site. Assessments conducted included a tree inventory, wetland
reconnaissance, and delineation of the ordinary high water mark (OHWM) of the Cedar
River. Public-domain information on the subject property was reviewed. These sources
include USDA Natural Resources Conservation Service Soil maps, U.S. Fish and Wildlife
Service National Wetland Inventory maps, Washington Department of Fish and Wildlife
interactive mapping programs (PHS on the Web and SalmonScape), COR Maps, and King
County’s GIS mapping website (iMAP).
The project parcel was historically used as a concrete facility. Although industrial facilities
have been removed from the site, a constructed settling pond is present along the Cedar
River shoreline. This pond was used for settling of concrete was water. Today, it is
separated from the Cedar River by a concrete wall. The settlement pond is filled with water
with a distinct color difference from the Cedar River, indicating that there is no transfer of
water between the settlement pond and the river.
A concrete bulkhead extends east from the settling pond, forming the ordinary high water
mark (OHWM) of the Cedar River. To the west of the settling pond, the shoreline bank
slopes gradually, and a retaining wall is located well landward of the OHWM. A chain link
fence sits on top of the concrete wall and retaining wall along the length of the shoreline
property
The lot in its current condition is almost entirely cleared with a gravel and/or compacted
dirt base. Tree and shrub species are mainly limited to the edges of the parcel. Fifty three
individual trees were inventoried within the parcel. Tree species present are primarily red
alder, black cottonwood and big leaf maple.
The Cedar River is located to the south of the subject parcel. The water surface elevation of
the Cedar River is influenced by operations at the Masonry Dam and the Landsburg
Diversion Dam upstream in the Cedar River. Together, the dams are managed for water
supply to the Seattle metropolitan area; to ensure base flows necessary to support instream
uses, including fish habitat; for hydroelectric power; and for flood control. Along the parcel,
the Cedar River flows as a glide or riffle along the length of the parcel, depending on the
season. A large pool is present at the eastern extent of the parcel.
6
Figure 3. View of the typical condition of the southeastern portion of the shoreline buffer, looking
west. Photo taken 3-8-17.
No wetlands or streams, other than the Cedar River, are present on site. However, several
other features classified as critical areas by the City of Renton have been
3. Species Identification and Site Use
Three salmonid species are listed as threatened under the ESA in the Puget Sound area.
These species include Chinook salmon (Oncorhynchus tshawytscha) of the Puget Sound
Distinct Population Segment (DPS), steelhead (O. mykiss) of the Puget Sound DPS, and bull
trout (Salvelinus confluentus). The project reach is used as a migration corridor for all of the
species listed above and may be used for spawning and rearing by Chinook salmon and
steelhead. The Cedar River, including the project reach, is designated as Critical Habitat for
all three species.
3.1 Chinook Salmon
In the Lake Washington watershed, Chinook salmon are broken into two stocks: 1) the
Cedar River, and 2) the Sammamish River (City of Seattle 2008). The majority of
summer/fall-run Chinook salmon migrate through the Lake Washington ship canal to reach
spawning habitat in either the Cedar or Sammamish River systems, while a smaller
proportion of Chinook salmon spawn in other Lake Washington tributaries. The Lake
Washington basin has seen an average escapement of 1,214 returning Cedar Chinook
salmon and 1,269 returning Sammamish Chinook salmon from 2004 to 2015 (WDFW
SCORE electronic reference).
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October 2018
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Adults migrate into freshwater in late July through early September and spawn in the
tributaries to Lake Washington between August and November (City of Seattle 2008).
Graphs of trapping data indicate that juvenile Chinook salmon migrating from the
tributaries into Lake Washington exhibit two basic strategies: 1) direct migration to the lake
as fry without extended stream rearing; and 2) migration to the lake as parr or smolts
(average length 100 mm), following extended stream rearing. Chinook fry begin entering
Lake Washington around the first of the year, peaking in February, while parr and smolts
enter the lake from April through July, peaking in late May (Tabor et al. 2006).
Chinook salmon may use the project reach for spawning, rearing and migration. In
particular, a deep pool near the eastern edge of the parcel may be used for holding during
upstream migrations.
3.2 Steelhead
Steelhead are currently present in the watershed. The Cedar River and South Lake
Washington Winter steelhead are identified as a discrete stock within the Puget Sound
steelhead DPS. These steelhead are characterized as a native stock with wild production.
Historic steelhead escapement for the Lake Washington basin was estimated at 1,816 in
1986 and has steadily declined since that time. In 2002 their stock status was adjusted
downward from “depressed” to “critical” due to chronically low escapements and severe
short-term declines in escapement in 2000 and 2001. The Cedar River saw an average
escapement of 11 returning steelhead from 2004 to 2015, with zero fish returning in 2009,
2012, and 2014 (WDFW SCORE electronic reference).
Steelhead are documented to have spawned historically in many Lake Washington and
Lake Sammamish tributaries. Adult steelhead may pass through the ship canal from
February through June (City of Seattle 2008). The steelhead spawning period in the Lake
Washington basin currently extends from March to September (City of Seattle 2008), with
most adult fish in the run typically returning to the Cedar River. Both anadromous
(steelhead) and resident (rainbow trout) life forms of O. mykiss (based on life history
characteristics) are likely present in the Lake Washington basin.
Juveniles generally emigrate as smolts between April and June, after two years of stream
residence. However, the duration of freshwater rearing can range from one to seven years
before juveniles grow large enough (>170 mm) to undergo smoltification. Steelhead exhibit
a highly variable anadromous life history. Steelhead in the Lake Washington basin are
winter run fish, characteristic of coastal streams. They enter freshwater from November to
April and spawn shortly thereafter (Busby et al. 1996). Summer surface temperatures in the
Lake Washington system often exceed the thermal preferences of most salmonids, including
steelhead.
8
3.3 Bull Trout
Native char are not commonly observed within the Lake Washington Watershed. Bull trout
are observed at the Ballard Locks every year with numbers observed or caught varying
from three to nine fish per year (F. Goetz, pers. comm., 14 May 2004). They are
observed/caught at the Locks between May and July (note: little or no monitoring occurs at
the Locks from February through April, so data are not available for that period).
Bull trout are sensitive to high water temperatures, and would not be expected within river
reaches when temperatures exceed 15˚C (generally, from May through mid-October).
Juvenile bull trout remain in headwater streams until the onset of piscivory, at a body
length of approximately 300 mm, at which point they migrate as subadults in search of
improved foraging opportunities. Subadult bull trout often migrate with adults to
headwater streams during the summer and fall, and return to larger rivers to overwinter.
Bull trout may be attracted to spawning aggregations of prey fish. Many native char in
populations from north Puget Sound exhibit anadromy, migrating to marine waters in late
winter (F. Goetz, pers. comm., 14 May 2004).
3.4 Other Species
According to U.S. Fish and Wildlife Service’s Information for Planning and Conservation,
other threatened or endangered species that should be addressed in the project area include
marbled murrelet (Brachyramphus marmoratus), streaked horned lark (Eremophila alpestris
strigata), and yellow-billed cuckoo (Coccyzus americanus). None of these species have been
documented in the project area per PHS Data. Furthermore, there is no suitable habitat for
any of these species in the project vicinity. Nesting marbled murrelets require old-
growth/mature coniferous forests in dense coastal stands; yellow-billed cuckoos require
large, continuous riparian corridors populated by dense willow and cottonwood forests;
and streaked horned larks require open grasslands, prairies, herbaceous balds, or sandy
islands. None of these habitats is present in the project vicinity. Therefore, the proposed
project will have no effect on marbled murrelets, yellow-billed cuckoos, or streaked
horned larks.
No other endangered, threatened, sensitive, or priority species are documented by PHS
Data for the property. No such species were observed during site inspections, and no
additional critical wildlife habitat is present.
4. Project Description
The proposal includes development of a residential, multifamily apartment complex, a
commercial development pad, shoreline buffer restoration and public access improvements
on a 546,121 SF lot adjacent to the Cedar River.
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October 2018
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All development is proposed outside of the shoreline buffer and Cedar River habitat
conservation area, with exception of a public access trail and associated public access areas
along the shoreline, provided in compliance with the City’s public access requirements. The
remainder of the buffer will be restored with native plantings, which will provide a net
improvement over the existing condition and provide screening between the upland
development and the river. The floodplain area will be graded to result in a net increase in
floodplain storage capacity. No fill will occur within the floodway.
5. Conservation Measures
The project avoids and minimizes potential effects to listed species through the following
measures:
• Avoidance- No in-water work will be conducted.
• Avoidance- The City’s standard 100-foot buffer and 15-foot setback will be followed.
• Minimization- Best management practices will be employed, including but not
limited to covering all exposed soils not worked within seven days and employing
all erosion control measures within jurisdictional standards.
• Minimization- Any construction debris and/or excavated materials will be removed
and disposed of off-site.
• Minimization- Compensatory storage will be provided for floodplain fill, such that
there will be no net loss of floodplain storage.
6. Project Effects
Potential direct and indirect effects of the project on listed salmonids include effects to
water quality, flood storage and conveyance, habitat quality, and prey availability. Each of
these potential effects are described below.
6.1 Water Quality
No in-water work is proposed, which significantly minimizes potential effects to listed fish
species. Proposed grading within the riparian zone does present the potential to affect
water quality in the Cedar River. In order to avoid and minimize any effects to water
quality, the project will implement a temporary erosion and sediment control plan and a
stormwater construction pollution prevention plan. These plans will ensure that measures
are in place to control erosion and prevent spills that could affect water quality. Any
accidental spills of toxic substances will be contained on the site and appropriately treated
and disposed of immediately upon discovery.
In the long-term, the proposed project will generate runoff from both pollutant and non-
pollutant generating surfaces. Urban stormwater, which may include sediments, heavy
10
metals, polycyclic aromatic hydrocarbons (PAHs), pesticides, and nutrients can enter
waterbodies through bank erosion, road run-off, landslides, or overland flow. Stormwater
generated through impervious surfaces with vehicular use can disrupt salmonid
physiology and behavior, and is a significant water quality concern for salmonids
(McCarthy et al. 2008; Spromberg and Scholz 2011). All stormwater from pollutant-
generating surfaces (at-grade parking and open-air parking garage) will be routed to a two-
facility treatment train, including a wet vault and a Contech StormFilter system, recognized
as a General Use Level Designation (GULD) for basic treatment. The treatment system will
be sized to treat 91% or more of the total runoff volume. Following treatment, stormwater
will be conveyed through a pipe to the southeastern side of the building. Stormwater from
non-pollutant generating surfaces (building roofs) will be collected and routed separately
from the pollutant-generating surfaces on the southwest side of the building. The two
separate stormwater pipes will outfall in the buffer into a lined vegetated swale. The swale
will provide additional biofiltration prior to reaching the Cedar River. As a result of
treatment and biofiltration within the buffer, effects to water quality within the Cedar River
are expected to be insignificant.Flood Storage and Conveyance
In a riverine setting, temporary storage of floodwaters can help reduce downstream flood
heights and dissipate much of the energy of flood flows (Gregory et al. 1987). The proposed
project will increase floodplain storage capacity as a result of net cut within the floodplain.
6.2 Habitat Quality
The project will result in an improvement in floodplain functions through revegetation of
the 100-foot buffer are with native trees, shrubs, and groundcover and restoration of
floodplain connectivity. As it matures over time, this vegetation will support detritus,
woody debris, and invertebrates, which provide a prey source for juvenile salmon. Restored
floodplain areas will provide improved access to off-channel areas for rearing juvenile
salmon during high flows. This is particularly valuable given the limited off-channel
opportunities downstream from the project site.
The project will not alter existing bank stabilization measures. Therefore, the project will
not affect channel migration or bank stability.
The proposed project will increase impervious surfaces within the 250-foot RBZ, as
described by NMFS (2008). Potential effects from the development could arise from
pollutants (see water quality above), effects to water quantity (see flood storage and
conveyance above), and disturbance. Disturbance would be most likely to result from
effects from lighting. The proposed project will avoid and minimize potential disturbance
through the vegetated buffer, which will separate the development from the river, and
through the use of downcast outdoor lighting, which will prevent glare from reaching the
river.
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October 2018
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7. Critical Habitat
Critical habitat includes areas with physical or biological features essential to the
conservation of the species and which may require special management considerations or
protection.
7.1 Chinook Salmon and Steelhead
Primary constituent elements of Puget Sound Chinook salmon and Puget Sound steelhead
critical habitat are listed as:
1. Freshwater spawning sites with water quantity and quality conditions and
substrate supporting spawning, incubation and larval development.
2. Freshwater rearing sites with water quantity and floodplain connectivity to
form and maintain physical habitat conditions and support juvenile growth
and mobility; water quality and forage supporting juvenile development;
and natural cover such as shade, submerged and overhanging large wood,
log jams and beaver dams, aquatic vegetation, large rocks and boulders, side
channels, and undercut banks.
3. Freshwater migration corridors free of obstruction with water quantity and
quality conditions and natural cover such as submerged and overhanging
large wood, aquatic vegetation, large rocks and boulders, side channels, and
undercut banks supporting juvenile and adult mobility and survival.
4. Estuarine areas free of obstruction with water quality, water quantity, and
salinity conditions supporting juvenile and adult physiological transitions
between fresh- and saltwater; natural cover such as submerged and
overhanging large wood, aquatic vegetation, large rocks and boulders, and
side channels; and juvenile and adult forage, including aquatic invertebrates
and fishes, supporting growth and maturation.
5. Nearshore marine areas free of obstruction with water quality and quantity
conditions and forage, including aquatic invertebrates and fishes, supporting
growth and maturation; and natural cover such as submerged and
overhanging large wood, aquatic vegetation, large rocks and boulders, and
side channels.
6. Offshore marine areas with water quality conditions and forage, including
aquatic invertebrates and fishes, supporting growth and maturation.
Project activities that introduce or remove physical elements to and/or from the French
Creek drainage, or that contribute to short-term changes in water quality, may alter certain
primary constituent elements (Table 1).
12
Table 1. Assessment of primary constituent elements for Chinook salmon and steelhead.
Primary Constituent
Element
Direct, Indirect, Interrelated and Interdependent Effects
1. Freshwater spawning By increasing floodplain storage capacity, the project will not increase
flood flows downstream. Therefore the project will not contribute to
increased scour of downstream redds.
2. Freshwater rearing By increasing floodplain storage capacity, the project will not increase
flood flows downstream. The project will restore native vegetation
within the area within 100 feet of the OHWM, which will support
rearing habitat along the bank, as well as detritus and insect
production. The project will increase accessible floodplain habitat for
juvenile Chinook salmon and steelhead. It will result in an increase in
impervious surface area within the RBZ, but all stormwater from
pollutant-generating surfaces (at-grade parking and open-air parking
garage) will be routed to a two-facility treatment train, followed by a
vegetated drainage pathway within the buffer. As a result of
treatment and biofiltration within the buffer, effects to water quality
within the Cedar River are expected to be insignificant.
3. Freshwater migration By increasing floodplain storage capacity, the project will not increase
flood flows downstream. The project will restore native vegetation
within the area within 100 feet of the OHWM, which will support
holding areas during migration. The project will increase accessible
floodplain habitat which may be used as a holding area during
upstream or downstream migrations. It will result in an increase in
impervious surface area within the RBZ, but all stormwater from
pollutant-generating surfaces (at-grade parking and open-air parking
garage) will be routed to a two-facility treatment train, followed by a
vegetated drainage pathway within the buffer. As a result of
treatment and biofiltration within the buffer, effects to water quality
within the Cedar River are expected to be insignificant.
4. Estuarine areas The project would have no effect on estuarine areas.
5. Nearshore marine areas The project would have no effect on nearshore marine areas.
6. Offshore marine areas The project would have no effect on offshore marine areas.
7.2 Bull Trout
The primary constituent elements of bull trout critical habitat area listed below.
1. Springs, seeps, groundwater sources, and subsurface water connectivity
(hyporheic flows) to contribute to water quality and quantity and provide
thermal refugia.
2. Migration habitats with minimal physical, biological, or water quality
impediments between spawning, rearing, overwintering, and freshwater and
marine foraging habitats, including but not limited to permanent, partial,
intermittent, or seasonal barriers.
3. An abundant food base, including terrestrial organisms of riparian origin,
aquatic macroinvertebrates, and forage fish.
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4. Complex river, stream, lake, reservoir, and marine shoreline aquatic
environments, and processes that establish and maintain these aquatic
environments, with features such as large wood, side channels, pools,
undercut banks and unembedded substrates, to provide a variety of depths,
gradients, velocities, and structure.
5. Water temperatures ranging from 2 to 15 degrees Celsius (°C) (36 to 59
degrees Fahrenheit (°F)), with adequate thermal refugia available for
temperatures that exceed the upper end of this range. Specific temperatures
within this range will depend on bull trout life-history stage and form;
geography; elevation; diurnal and seasonal variation; shading, such as that
provided by riparian habitat; streamflow; and local groundwater influence.
6. In spawning and rearing areas, substrate of sufficient amount, size, and
composition to ensure success of egg and embryo overwinter survival, fry
emergence, and young-of-the-year and juvenile survival. A minimal amount
of fine sediment, generally ranging in size from silt to coarse sand,
embedded in larger substrates, is characteristic of these conditions. The size
and amounts of fine sediment suitable to bull trout will likely vary from
system to system.
7. A natural hydrograph, including peak, high, low, and base flows within
historic and seasonal ranges or, if flows are controlled, minimal flow
departure from a natural hydrograph.
8. Sufficient water quality and quantity such that normal reproduction, growth,
and survival are not inhibited.
9. Sufficiently low levels of occurrence of nonnative predatory (e.g., lake trout,
walleye, northern pike, smallmouth bass); interbreeding (e.g., brook trout);
or competing (e.g., brown trout) species that, if present, are adequately
temporally and spatially isolated from bull trout.
Potential effects to bull trout critical habitat are limited, as described in Table 2.
Table 2. Assessment of Primary Constituent Elements for Bull Trout
Primary Constituent
Element
Direct, Indirect, Interrelated and Interdependent Effects
Springs, seeps,
groundwater sources, and
subsurface water
connectivity.
The project will have no effect on springs, seeps, groundwater, or
subsurface connectivity
Migration habitats with
minimal barriers.
The project will have no effect on migration barriers.
An abundant food base. The project will increase detritus, bank vegetation, and associated
insect production. These effects may support additional food base
for bull trout.
Habitat complexity The project will increase floodplain habitat connectivity.
14
Primary Constituent
Element
Direct, Indirect, Interrelated and Interdependent Effects
Water temperature The project will support shading of the Cedar River through the
revegetation of a 100-foot wide riparian buffer area. This will
support cooler water temperatures for bull trout. .
Spawning substrate The project will not affect spawning substrate. By balancing cut
and fill, the project increases floodplain storage and conveyance
capacity such that it may reduce scour caused by high flows during
floods.
Natural hydrograph The project will support the natural hydrograph by increasing
floodplain storage and conveyance capacity.
Sufficient water quality and
quantity
Water quality will be protected during construction through the
use of best management practices and implementation of a
temporary erosion and sediment control plan and a stormwater
pollution protection plan. In the long-term, effects on water quality
from treated and biofiltered stormwater will be insignificant.
Water quantity will be maintained through no net fill of the
floodplain.
Predation The project will have no effect on predation on bull trout.
8. Cumulative Effects
Cumulative effects entail the effects of future private, state, or federal activities that are
reasonably certain to occur. The project area is located within the City of Renton and King
County, Washington, an area that is experiencing rapid population growth. Significant
demand for additional residential development has accompanied this population growth.
Therefore, the area surrounding the project is expected to continue to urbanize and
redevelop. Increasingly strict local, state, and federal regulations suggest that despite an
increasing intensity of land use, redevelopment is likely to result in improvements in
stormwater management and riparian and floodplain restoration.
9. Summary
In summary, because potential adverse effects of the project related to water quality are
insignificant, because the project will maintain flood storage and conveyance, and because
the project will restore floodplain habitat functions within the 100-foot riparian zone, the
project may affect, but is not likely to adversely affect listed salmonids. Similarly, given the
direct, indirect, interrelated, and interdependent effects from the proposed action, the
proposed project may affect, but is not likely to adversely affect critical habitat of Puget
Sound Chinook salmon, Puget Sound steelhead, or Coastal-Puget Sound bull trout.
The Watershed Company
October 2018
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References
Gregory, S. V., and coauthors. 1987. Influence of forest practices on aquatic production. E.
O. Salo, and T. W. Cundy, editors. Streamside Management: Forestry and Fishery
Interactions. Proceedings of a Symposium. Institute of Forest Resources, University
of Washington, Seattle, WA.
FEMA (Federal Emergency Management Agency). 1995. Flood Insurance Rate Map for King
County, Washington and Incorporated Areas.
FEMA (Federal Emergency Management Agency). 2010. Flood Insurance Study for King
County, Washington and Incorporated Areas. Flood Insurance Study Number
53033CV001B.
Kerwin, J. 2011. Salmon and Steelhead Habitat Limiting Factors Report for the Cedar-
Sammamish Basin (Water Resource Inventory Area 8). Prepared for the Washington
Conservation Commission.
King County. 2015. Cedar River Channel Migration Study.
McCarthy, S., P. Incardona, and N. Scholz. 2008. Coastal storms, toxic runoff, and the
sustainable conservation of fish and fisheries. American Fisheries Society
Symposium 64.
National Marine Fisheries Service (NMFS). 2008. Endangered Species Act- Section 7
Consultation Final Biological Opinion and Magnuson-Stevens Fishery Conservation
and Management Act Essential Fish Habitat Consultation: Implementation of the
National Flood Insurance Program in the State of Washington Phase One
Document- Puget Sound Region. National Marine Fisheries Service, Northwest
Region. September 2008. 226 pp. 2006-00472.
Spromberg, J. and N. Scholz. 2011. Estimating the future decline of wild coho salmon
populations resulting from early spawner die-offs in urbanizing watersheds of the
Pacific Northwest, USA. Integrated Environmental Assessment and Management.
WRIA 8. 2005. Lake Washington/Cedar/Sammamish Watershed (WRIA 8) Chinook Salmon
Conservation Plan.
16
Author Qualifications
Sarah Sandstrom, MSc, CFP, PWS
Senior Fisheries Biologist
Sarah has 17 years of experience in natural resources management, research, planning, and
permitting. Over the past eight years at The Watershed Company, Sarah has worked on a
variety of wetland and stream delineation, mitigation, and monitoring projects, shoreline
and critical areas regulation development, and permit application development and review.
Education: Master of Science in Aquatic and Fishery Sciences, 2008, University of
Washington, Seattle, WA; Bachelor of Science in Biology (Concentration in Marine Biology),
2001, Duke University, Durham, NC, University of Washington Extension, Wetland Science
and Management Certification, 2010.
Certifications: Certified Fisheries Professional, 2013; Professional Wetland Scientist, 2014;
“Senior Writer” for WSDOT Biological Assessments, 2013.
Attachment H: Statutory Warranty Deed & Tax Assessor’s Map
K in g C oun ty
King C ou n ty iM ap
Date: 6 /21 /2 0 19 Notes:
Th e informatio n in clu de d on this map h as b ee n co mp iled by K in g Co un ty staff f rom a variety o f so urces a nd is subject to chan gewithout n otice . K in g Co unty make s no repre sen tat io ns or warra nt ies, e xpress or imp lie d, as t o a ccuracy, co mplete ne ss, timeline ss,or rig hts to the use o f such inf orma tion . This d ocument is no t inten de d fo r use as a survey p ro du ct. K ing Co un ty sh all no t b e lia blefor a ny gen eral, sp ecia l, ind irect , incidental, o r con seque ntial d ama ges in clud ing, bu t n ot limited to , lost re ven ue s or lost pr o fitsresulting from t he use or misuse of the informa tion con ta ined on th is map. A ny sale o f this map or inf orma tion on this ma p isprohibited except by written p ermission o f K in g Co un ty.±