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11-101540
FILE COMMUNITY & ECONOMIC DEVELOPMENT DEPARTMENT M 33325 8`h Avenue South Federal Way, WA 98003-6325 Crrr OF 253-835-2607; Fax 253-835-2609 Federal Way www.cityoffeder_alway.com SHORELINE SUBSTANTIAL DEVELOPMENT PERMIT EXEMPTION APPLICATION Name of Applicant: Barbara Bradshaw Site Address: 3124 SW 302ad Place Proposal: Applicant proposes to remodel and construct an addition to an existing single-famil residence. Scope of work will include building construction Iess than 35 feet in height, stormwater upgrades, septic sstem abandonment and new landscaping. Structural improvements related to the dwelling unit are landward of the stringline setback. Vegetation removed within the shoreline setback will be replaced with salal or lawn. No trees within the setback will be removed. The applicant has consulted with a cultural resources professional and will provide a resort to the department prior to building permit issuance. WAC Exemption Citation: 173-27-040(2)(g) (Departmental review below) File # 11-101540-SH The proposed development is consistent with: Yes No Q ❑ Washington State Shoreline Management Act Q ❑ Federal Way Shoreline Master Program Approval Date Isaac Conlen, Planning Manager for Patrick Doherty, Director Condition(s) attached: ❑ Yes Q No . I /Z 12 - L- Doc, LD. 60851 :ff-fl—tvc5Lfar00 58 RECEIVED Art & Design © APR 2 2 U 11 ART / ARCHITECTURE / CONSTRUCTION buildingart.com dITY OF FEDERAL WAY 8600 Banner Rd. S.E. / Port Orchard, WA 98367 / (253) 858-6700 (office) / (206) 909-3283 (cell) / dctvef@bui@Wart.com City of Federal Way 33325 8'�` Avenue South Federal Way, WA 98063-9718 4/7/2011 re: Bradshaw / Harkness Addition, 3124 SW 302^d Place, Federal Way; file # 11-100548-00-PC To Whom It May Concern, I am writing on behalf of Barbara Bradshaw & Ron Harkness, owners of the subject property, to request exemption from Shoreline Substantial Development Permit process for our proposed improvements, pursuant to the Washington Administrative Code section 173-27-040(g). The proposed work is residential, less than 35'obove average grade, owner -occupied and will take place landward of the ordinary high water mark; as allowed by WAC 173-27-040(g). All other applicable city, state and national code requirements will be adhered to. Please call or email with any questions. Thank you! Yo rs truly, via J. F 11, rct Y Matt Herrera From: Isaac Conlen Sent: Thursday, September 27, 2012 10:34 AM To: Dave Dupree (dcm51@comcast.net) Cc: Matt Herrera Subject: FW: Letter to FedWay 8-31-2012 Hello Mr. Dupree, Sorry for the delay in getting back to you, we had to go back and do some research in the file on this one. The short answer is that we believe all three of the concerns you expressed in your letter are resolved by discontinuing the proposal to remove the septic tank. Your geotechnical engineer agreed with the proposal for pin piling foundation (see quoted language under #2 below). The request from your geotechnical engineer that your residence be surveyed, was in response to the proposal for septic removal. Since that is no longer proposed we do not believe imposing that condition to be justified. Further, the concern about removal of living root system was also related to the septic tank removal. As the tank is no longer proposed to be removed, the root system will be left in place. Matt Herrera, the planner who worked on this one provides some additional detail below. Please let me know if you have any questions. Regards, Isaac 253 835 2643 From: Matt Herrera Sent: Wednesday, September 26, 2012 10:02 AM To: Isaac Conlen Subject: RE: Letter to FedWay 8-31-2012 Isaac, i took a look at the file and here are responses to items 2 and 3: "2. Foundation excavation and pin piling activity downslope of our property." The applicant's geotechnical engineer and Mr. Dupree geotechnical engineer expressed no concern in documents regarding this issue. On page 2 of E3RA Geotechnical Report Review Letter (Mr. Dupree's consultant) it states "(b]ased on our observations of the surface and subsurface conditions, as well as our review of the Geotechnical Report provided by other, we are in general agreement with the recommendations for foundation support provided by the installation of pin piles. " On August 26, 2011, David Fall (applicant's consultant) responded to David Rupert (Mr. Dupree's consultant) to notify him of the change in scope from septic removal to filling. it states "[o]ur proposed foundation system of grade beams supported on pin piles, as you know, is a typical foundation support system in sensitive soils and steep slope situations. Similarly, this foundation system is compatible with abandonment of the existing septic system." Mr. Dupree's consultant's concern is regarding the removal of the septic system and backfill activities. The consultant recommended surveying the Dupree residence during and after completion of the septic removal and backfill operations. As the applicant is no longer pursuing septic removal, there appears no need to condition it as such. "3. Removal of living root systems located on the subject property requiring backfilling and compaction." This was a component of the septic system removal and is now moot. Matt Herrera Associate Planner X2638 From: Isaac Conlen Sent: Wednesday, September 05, 2012 4:17 PM To: Matt Herrera Subject: FW: Letter to FedWay 8-31-2012 Hi Matt, Let's discuss this one when you get back. We've issued our SEPA determination and director's decision allowing intrusion into geological areas. No building permit application submitted as of yet. Isaac From: Dave Dupree mailto:dcm51 comcast.net Sent: Friday, August 31, 2012 1:12 PM To: Isaac Conlen Subject: Letter to FedWay 8-31-2012 Dear Mr. Conlen, Attached is a letter to revisit a slope stability issue with the Bradshaw/Harkness renovation remodel project Federal Way File No: 11-101539-00-SE Sincerely, David W. Dupree 253-670-1593 Hard copy to follow 2 David W. Dupree, MD, MBA and Lyne M. Ouellet, MD 3120 SW 302nd Place, Federal Way, WA 98023 253-670-1593 253-952-9446 IVE® dcm51@comcast.net RE - - AUG 31 Zoe August 31, 2012 CITY OF FEDERAL WAY City of Federal Way CDS Community of Community and Economic Development 33325 8th Avenue South Federal Way, WA 98023 Attention: Mr. Isaac Conlen Re: Bradshaw/Harkness Residential Remodel/Addition (Federal Way File No: 11-101539-00-SE). Dear Mr. Conlen: This letter is to revisit the issues of slope instability surrounding the potential construction detailed in the Bradshaw/Harkness project noted above. My wife and I are the owners for 22 years of the residence at 3120 SW 302na Place immediately upslope of the proposed project. As noted in our comment letter of 814/2011, we have evaluated the geotechnical findings submitted with this application along with the engineer's reports and we are most concerned with potential instability of the slope which could be induced by: 1. The removal of the existing septic tank and down slope drain field which will be replaced with fill and compacted. 2. Foundational excavation and pin piling activity downslope of our property. 3. Removal of living root systems located on the subject property requiring back filling and compaction. A letter sent by Mr. Fall on 8/26/2011to our geotechnical consultant, David Rupert, addressed item 1 above by leaving the septic system in place and filling it with CDF concrete mix but did not adequately address out concerns surrounding numbers 2 and 3. We are requesting that any building permit issuance by the City of Federal Way be conditional on following the recommendation of Mr. Rupert in his report of 8/4/2011 that the Dupree residence be surveyed at Bradshaw expense by a licensed professional surveyor before, during, and after completion of downslope activity noted above. In the event of any upslope movement, these operations should be suspended until such time that the Dupree residence has been shored and properly supported. These precautions are the best practices standards that are currently in use in Seattle and we believe they are appropriate and necessary precautions in this case. Since , �� David W. Dupree, MD, Lyne M. Ouellet, MD I ♦ \ 1 ♦ \ 1 I ♦ ♦ / / \ �♦ DU S BAY/ `♦� I PUG SOUND `% I % 1 I I %EXISTING I \NEIGHBOR I BULKHEAD I ♦ 40 \ MOUSE & I ♦ O.H.W.M. I DECK \ DATUM; 0.00' / NGVD 29 I \ \ '; \ STRING LINE BETWEEN I \ \ ADJACENT STRUCTURES \/ PROPOSED \ \\ DECK \ EXISTING TERRACED YARD ♦ 0 PROPOSED ADDITON \ WITH 25% TO 50% I ' \ \ OVER BASEMENT & \ SLOPE AREAS i CRAWL SP \ EXISTING V TO 5' ♦ `L \ PRO SED f \ ROCKERY .1 63� CONSTRUCTION OF \\ EXISTING 1' TO 3' EXISTING BASEMENT \ROCKER i RAMBLER CC \\ P2 - EXIS�tNG SEPTIC SYSTEM TO BE ABANDONED EXISTING SEPTIC TANK TO BE FILLED PER A KING COUNTY HEALTH DIST. DEMOLITION PERMIT PROPOSED MAIN FLOOR EL.; 47.0° EXISTING MAIN FLOOR EL.; +44.50' PROPOSED BASEMENT EL.; +37.00' 's \ iXIS G /G AGE / / ElGriBOR - BB HOUSE & / CTIO DESK / 0�, \ \ 0 30' 60' SITE PLAN. i BUILDING & SURFACE COVERAGE ID Area A-BACKADDITION 848 A -COURT PVG. 483 A -DECK 469 A -DEMO. HOUSE 41 A -DRIVE PVG. 1,355 A -EXIST. GARAGE 357 A -EXIST. HOUSE 1,332 A -NEW GARAGE 480 5,365 sq ft 15% SITE AKEA; 36388 sf (.84 ACRE) PROPOSED PL. EL.; +55.00' — — — PROPOSED MAIN FLOOR EL.; 47.00' EXISTING MAIN FLOOR EL.; +44.50' PROPOSED BASEMENT EL.; +37.00' PROPOSED FLOOR LEVEL EXISTING FLOOR EXISTING _ BASEMENT ROJECT OUTLINE SITE ADDRESS; 3124 SW 302nd PL. TAX PARCEL 012103-9058 QUARTER O1 SEC 01 TnWLEGAL DESCRIPTION RANNGE03 Description: Beginning at a point in the south line of Section 1, Township 21 North, Range 3 East, Willamette Meridian, in King County, Washington, said point being 208.44 feet west of southeast corner of Government Lot 4 in said Section, Running thence north 32°06' west 474.66 feet more or less to the northerly lire of Georgian Avenue in the Plat of Lakota projected southwesterly: Thence south 57°54'30' west 50 feet to the TRUE POINT OF BEGINNING of property affected by this conveyance: Thence north 32°06' west 770.04 feet more or less, to Government Meander Line; Thence following said Government Meander Line in a southerly direction 119.61 feet; Thence south 37'09'20" east 684.49 feet to the north line of Georgian Avenue aforesaid projected southwesterly; Thence northeasterly 19.13 feet to the TRUE POINT OF BEGINNING, ALSO tidelands of second class abutting upon the meander line of aforedescribed tract. 0 I I / PROPERTY LINE EXISTING WALL LOCATION P \ NEW WALL LOCATION ------------- I; RELOCATE WALL LINE 18" WEST PRO/P/OSED \ \ ADDITION \ 1 ,PROPO PATIO \ ---------_ - PROPOSED 4" PVC WAS \ ---------- PIPE FROM HOUSE \ � DET IL PROPOSED SEPTIC GRINDER PUMP LOCATION REPL. LAWN AREA \ EXISTING FENCE LINE PER \ a SURVEY \ PROPOSED PAVED \ / g DRIVE & PARKING \ / PROPOSED DETACHE[a 2CAR GARAGE UNDER \ / EXISTING SEPARATE BLDG. PERMIT' / WOOD NCE \ / EXISTING 'WAGON \ \ ZW6' 3N` WHEEL'DRIVE WAYENCE �\ PROPOSED 1 1/4" HDPE SANITARY \ SEWER CONNECTION J, ♦ \ \ \ \ .0, \ UNDER SEPARATE �6'0 \ ♦ \ \\ PERMIT s ` \ ♦` \ PLANNING SINGLE FAMILYHIGH DENSITY ZONING RS 7.2 (1 UNIT/7200 S.F.) ENVIRONMENT LANDSLIDE HAZARD 3a _28 n121n?9 DESIGN CRITERIA R301.21) (LOCAL) CLIMATIC & GEOGRAPHIC DESIGN CRITERIA GROUND SNOW LOAD; 20 WIND SPEED; 85 MPH, EXP. B SEISMIC DESIGN CATEGORY; D2 WEATHERING; MODERATE FROST LINE DEPTH; 12 TERMITE; SLIGHT TO MODERATE DECAY; SLIGHT TO MODERATE WINTER DESIGN TEMP; 26' ICE SHIELD UNDERLAYMENT; NO FLOOD HAZARD; 1983 FIRM AIR FREEZING INDEX; 117 MEAN ANNUAL TEMP; 51.3 FIRE PROTECTION AUTOMATIC SPRINKLER SYSTEM q E�€;i €1T?dS31 L`7 i0 '�k" rt Rix�°� rea V 18 H` h y s�2s` .,r. { F a � Y* 'Ji�LIFs � zu RTY � r SF S a NEIGHBORING \ STRUCTURES, TYPICAL il € NEIGHBORING Ak, DRIVEWAYS, TYPICAL= y �' Mn kf:: �. _�� r � x ADJACENT PROPERTIES - NOT TO SCALE % \ ♦ \ EXISTING FIR PROPOSED PL. EL.; +55.00- — — — — — — — — — — — — — \ ♦ \ \\ ♦` \� ` TREES AND \ LANDSCAPING \\ PROPOSED MAIN FLOOR EL.; 47.00'— \\ ♦` \ ` \\ EXISTING MAIN FLOOR EL.; +44.50' PROPOSED BASEMENT EL.; +37.00' ♦ EXISTING MAPLE +f�` \ \ ` TREE \ \\ DATUM• 0 00' / NGVD 2 PROPOSED EXISTING ROOF LINE NEIGHBOR \ \ �- \\ \� '♦ \ \ \ ` \ \ ♦ \ \ ♦ \ \ DATUM; _0.00' / NGVD 29 — — — — — — — — • _ \\ \�5� 3`3� SECTION BB \ice APPROX. AA SCALE: 1 " = 20' EDGE :T CTIO / CCCTTR APPROX. NEIGHBOR HOUSE dim) I III(. PROPOSED DECK SECTION AA SCALE: 1" = 20' MAIN FLOOR TOTAL; 2558 S.F. BASEMENT TOTAL; 1927 S.F. TOTAL LIVING SPACE; 4485 S.F. BRADSHAW-HARKNESS ADDITION FEDERAL WAY, WASHINGTON VICINITY MAP; PROPOSED ROOF LINE PROPOSED FLOOR DECK 1 EXISTING / PROPOSED BASEMENT Z W a W� o� a �w � N 00�q 000 I'O4_1 I I I 000 OLn0 - 0030 E�9\9O 000� 0 � O O T O U -0 U X 0 E E O N .a C/I C C E-� C W F l_ 1 �--� • r--i D r-`v [•1 Fr q C w C fK W��J Cc �77 � � F W 0 x C C C 0 x0 OC` CD �zFz �CL)�°Q 00 �¢¢x s J LLJ �LLyyJ ILL. O © rY-m N ai Q C LL O Y 00 r`o (.� l_J Co zQQ� rV rn = C� r I N rn m rnri) EXISTING = � Q Q m EX HOUSE TO BE GAISTING RAGE W/ PROPOSED L/I m -0 3 rn REMOVED UTILITY RM. DETACHED GARAGE 0 t L 1 UNDER SEPARATE Q BELOW BUILDING PERMIT N 0 z U-) W 3C14M Y, m rn LL O rn "N __----------------- REV.; 0 -------------------- DATE; 6/24/11 SEPA Corrections EXISTING FLOOR AREAS ID Area FLOOR E BSMT 883 FLOOR E MAIN 1,357 2,240 sq ft NEW FLOOR AREAS ID Area FLOOR N BSMT 380 FLOOR N BSMTAD 761 FLOOR N MAIN N 785 FLOOR N MAINS 142 1,968 sq ft RESUBMITTED JUN 2 8 2011 CITY OF FEDERAL WAY CDS ACCESSORY FLOOR AREAS ID Area ACC G EXISTING 357 ACC G NEW 480 ACC UTILITY 307 1,144 sq ft SITE DRAWINGS E P A SEPA PROJECT REVIEW; 4/22/11 P L A N T S C H E D U L E Qty. Symbol Botanical/Common Name Size/Remarks S H R U B S/ G R 0 U N D C 0 V E R S 95 Mahonia repens/ CREEPING MAHONIA 1 gal. 1 Nandino d. `Sienna Sunrise'/ HEAVENLY BAMBOO min. 24" hgt. 7 O Pinus mugo 'Pumiilo'/ DWARF MUGHO PINE min. 18" spr. 16 Polystichum munitum / SWORD FERN min. 5 fronds ® 12" o.c. 5 Ribes s. 'King Edward VII'/ FLWG. CURRANT min. 24" spr., hgt. 12 Vaccinium ovatum/ EVERGREEN HUCKLEBERRY min. 18" spr. as needed ` Arctostaphylos 'Massachusetts'/ KINNICKINNICK 1 gal. at 24" o.c. tri—spacing as needed goF—bt Gaultheria shallon/ SALAL 1 gal. at 24" o.c. tri—spacing * Plant sizes are specified per the American Standard for Nursery Stock, Publication — May 2, 1986 sponsored by the American Association of Nurserymen, Inc. * If plant quantity shown on schedule conflicts with what is represented by symbol on Plan, the quantity represented by symbol shall be used. GENERAL NOTES: * Coordinate work with other trades as required. Determine location of underground utilities and perform work in a manner which will avoid possible damage. Coordinate with Utilities Underground location Center and Owner for locations of existing underground utilities, etc. servicing or routed through the site. * Provide protection of all property, persons, work in progress, structures, utilities, walls, walks, curbs and paved surfaces from damages incurred arising from this work. The Contractor shall pay for any such damage at no additional cost to the Owner. * During construction, keep pavements, building clean. Protect site and adjacent properties from damage due to construction operations, operations by other Contractors/trades and trespassers. Unfinished and completed work shall be protected from damage by erosion or trespassing, and proper safeguards shall be erected to protect the Public. * Staking and Layout: Immediately notify Landscape Architect in writing of any variance between plans and actual site. Landscape Architect has the right to adjust the location of elements. Verify layout with Landscape Architect prior to any installation work. * Verify installation conditions as satisfactory to receive work. Do not install any site elements until any unsatisfactory conditions are corrected. Beginning of work constitutes acceptance of conditions as satisfactory. When conditions detrimental to plant growth/contructed elements, are encountered such as rubble fill, adverse conditions, or obstructions, notify Landscape Architect. PLANTING NOTES: 1. Planting soil for shrubs/groundcovers shall be deemed as new topsoil/compost cultivated into existing prepared subgrade. See Details. 2. Soil Preparation: Planting Beds: Determine/ attain shrub bed subgrade and cultivate to a minimum depth of eight inches (8"), clean/ remove all rocks, roots, debris over two inches in diameter. Lay a three inch (3") depth of Compost over entire bed and till again to a minimum depth of eight inches (8") to incorporate Compost thoroughly into grade. 3. Fertilize all installed plants during backfill operations with 4-2-2 Agro Transplanter as recommended by Manufacturer. 4. Substitutions or changes in materials and placement shall be made only on the written change orders as agreed between Contractor, Landscape Architect and Owner. 5. Mulch all beds with a minimum 2 inch (2") depth of approved 'mulch'. Finish grade of mulch shall be 1" below adjacent hard surfaces. 6. The Landscape Architect retains the right to inspect trees, shrubs and groundcover for compliance with requirements for plant size and quality at any time. This includes but is not limited to size and condition of rootballs, root systems, insects, latent injuries and defects. Remove rejected material immediately from project site. 7. Substitutions or changes in materials and placement shall be made only on the written change orders as agreed between Contractor, Landscape Architect, Owner and City of federal Way. 8. Maintenance: Provide landscape maintenance immediately after planting and pruning, resetting of plants, restoring eroded areas, adjustments to staking and removal of weeds/debris as required for healthy growth of plants. Maintain until Final Acceptance, but in no case less than 30 days. ROOTBALL DIPTH OR 3 TIMES WIDTH OF ROOTBALL C11 I M I Ir'1 rl1 A AITIAIn NOT TO SCALE B&B OR CONTAINERIZED SHRUB, TYP �Jl SET ALL PLANTS AT NURSERY LEVEL MIN 2"-3" OF MULCH ( PER SPECS) SHRUB BED SOIL PREPARATION DEPTH (SEE SPECS) FINISH GRADE DEPTH PER SPECS REMOVE CONTAINER COMPLETELY OR REMOVE BURLAP, WIRE & STRING FROM TOP 2/3 OF ROOTBALL AMENDED BACKFILL 'T- UNDISTURBEDSUBGRADE ( PROVIDES FIRM BASE SO THAT ROOTBALL WILL NOT SINK) 1�- L/1rvWVN,-C TYPICAL SPACING PLAN K;--\ GROUND COVER PLANTING NOT TO SCALE Existing Lawn Blend New Lawn Area — into Exist. Lawn Area 1 EXISTING SLOPE — (=) 2:1 TRANSITION SLOPE M PLANT PIT WITH ANGLED SIDES UNDISTURBED SOIL 3 GENERAL SLOPE PLANTING 4 NOT TO SCALE 0 W Edge of Existing ' ' �; �' . ! .E • ` Salal/ Ivy Groundcover V* (I I ` I `+'. • - JUTE FABRIC UNDERNEATH BARK MULCH ON SLOPES OVER 2:1 MIN 2-MULCH ( PER SPECS) FINISH GRADE TYPICAL GROUND COVER PLANTED AT NURSERY LEVEL PREPARED NATIVE SOIL SCARIFIED SUBGRADE ( SEE SPECS) of Existing Ivy Groundcover vised dge of Existi lal/ I y Ground er Res a Areas Di r Trenchinq Salal of Proposed `(above) 10O eck Stairs 3' depth �Oc �.yer - 3" MIN. MULCH. HOLD BACK 3" FROM BASE ' ' W OF TRUNK WATER RETENTION BERM Z W � M U) o 00 U) W w QQ 7 ROOT BALL AMENDED CU BACKFILL U) N to 0 cM 4J Q 70 m i 'clean' Crushed fed Barrier Fabric. :SUBMITTED FEB 14 201 North CITY OF FEDERAL WAY ZDS Glenn Takagi Landscape Architect 18550 Firlands Way N. Suite #102 Shoreline, WA 98133 (206) 542-6100 FAX: (206) 546-1128 C ICU 0. CU 0. Project No.: Drawn: GT Checked: GT Drawing Issue: 01.30.2012 Revisions: Sheet L 1 of 1 REVISIONS: A PORTION OF THE SW 1/4 OF THE SW 1/4 OF SECTION 01, TOWNSHIP 21 N., RANGE 3 E., W.M. DUMAS BAY/ PUGET SOUND N1 /? ♦' N EX. TERRACED YARD WITH ♦ 25% TO 50% SLOPE AREAS I� , / Co =II o N�Ij r � Il�;►� F- rl ♦ X , 1 ��. t -4. �, 1 a TYPE 1 CB W/ SOLID LOCKING LID RIM=9.50 INV=6.00 F2 TYPE 1 CB W/ SOLID LOCKING LID RIM=9.50 INV=6.00 EX. ROCKERY TO REMAIN !f 1 `6. l 31 YARD DRAIN RIM=9.40 INV=6.26 44 YARD DRAIN RIM=35.80 INV=31.40 O 14LF 6" PERF. PVC ® S=0.009 Fil YARD DRAIN W/ 4' WIDE DISPERSAL TRENCH RIM=35.40 EX. WEEP HOLES ALONG THE INV=31.98 BULKHEAD WALL ARE AT 8'f O.C. CORE DRILL ADDITIONAL NEW WEEP YARD DRAIN HOLES AND INSTALL 4" PVC PIPES IN RIM=48.00 THE HOLES WITHIN THE LENGTH OF INV=46.50 (4") THE DISPERSAL TRENCH (14LF), SO INV=44.50 (6") THAT WEEP HOLES ARE AT 1.5'f O.C. O 13LF 6" PVC 0S=2.007 �7 YARD DRAIN RIM=50.00 INV=47.00 O3 74LF 6" PVC ® S=33.9790 n8 TRENCH DRAIN O4 29LF 6" PVC ® S=2.009' RIM=48.00+ INV=47.00f (NE) INV=46.60f (SW) O 40LF 6" PVC 0 S=31.309 �9 TRENCH DRAIN O6 19LF 6" PVC ® S=13.1690 R►M=43.90 INV=43.40 (SW) INV=42.90 (NE) O 22LF 6" PVC 0S=2.0090 16 YARD DRAIN OS 4LF 4" PVC ® S=2.50% RIM=43.90 INV=43.30 (4") INV=40.90 (6") O 3LF 4" PVC 0S=3.3390 11 YARD DRAIN 10 59LF 6" PVC ® S=3.63% RIM=42.00 INV=38.76 11 38LF 6" PVC ®S=2.0090 12 YARD DRAIN RIM=42.00 INV=38.00 12 58LF 6" PVC ® S=55.1790 EX. ROCKERY TO REMAIN w c , , 4 46.82' 2� �- c� 5 NEW STEPS f / 5 Site benchmark Set rebar & cap Elevation: 51.49 feet NEW WALKWAY WITH STEPS NEW 3' TO 4' HIGH Calculated location ROCK WALL, TYP. of stone monument per �- - ROS 9903019002 50.00 - ASPHALT PAVEMENT MATCH EX. GRADE --- EX. CONC COURT YARD \ 49.00 TO BE REMOVED AND REPLACED WITH NEW GROUND COVER NEW CONC. WALK STEPS HEAT PUMP SEWER GRINDER PUMP NEW CONC DRIVEWAY EX. ROCKERY TO BE REMOVED - NEW 1.25" HDPE SEWER FORCEMAIN CONNECTION UNDER SEPARATE PERMIT VERTICAL DATUM SHEET INDEX NATIONAL GEODETIC VERTICAL DATUM OF 1929-NGVD29 (CITY OF FEDERAL WAY). C01 DRAINAGE PLAN BENCHMARKS CO2 TESC PLAN BASE: CITY OF FEDERAL WAY BENCHMARK #2168-5-1, RAMSET ON EAST EDGE OF TELEPHONE PEDESTAL PAD AT THE NORTHWEST CORNER OF SOUTH 336TH STREET AND PACIFIC HIGHWAY SOUTH. ELEVATION: 346.81 FEET. SET REBAR AND CAP, 8.7' NORTHEAST OF YARD LIGHT, 5.5' EAST OF PUMP STYLE FAUCET, 3.7' SOUTHEAST OF STORM CLEANOUT. ELEVATION: 51.49 FEET. BASIS OF BEARINGS TRUE NORTH. BASED UPON GLOBAL POSITIONING SYSTEM (GPS) LAMBERT GRID WASHINGTON STATE NORTH ZONE COORDINATES. A CONVERGENCE ANGLE OF 1'07'59.97" COUNTERCLOCKWISE WAS APPLIED AT A PK NAIL IN CONCRETE, 0.5' BELOW SURFACE. THE MONUMENT IS THE SOUTHEAST SECTION CORNER FOR SECTION 1, TOWNSHIP 21 NORTH, RANGE 3 EAST OF THE WILLAMETTE MERIDIAN. THE NORTH AMERICAN DATUM OF 1983, 1991 ADJUSTMENT, (NAD 83/91) GRID COORDINATES WERE FOUND TO BE 123959.237 / 1262933.898 AT THAT POINT. THE INVERSE OF BOTH A SEA LEVEL CORRECTION FACTOR DETERMINED FROM THE MEAN ELLIPSOID CONTROL ELEVATION OF 215.8 FEET OF 0.999989672 AND THE GRID SCALE FACTOR OF 1.000036142 WAS APPLIED TO THE GRID COORDINATES FOR SHOWN GROUND DISTANCES. LEGAL DESCRIPT ION. - BEGINNING AT A POINT IN THE SOUTH LINE OF SEC'nON 1, TOWNSHIP 21 NORTH, RANGE 3 EAST, WILLAMETTE MERIDIAN, IN KING COUNTY, WASHINGTON, SAID POINT BEING 208.44 FEET WEST OF SOUTHEAST CORNER OF GOVERNMENT LOT 4 IN SAID SECTION; RUNNING THENCE NORTH 32'06' WEST 474.66 FEET MORE OR LESS TO THE NORTHERLY LINE OF GEORGIAN AVENUE IN THE PLAT OF LAKOTA PROJECTED SOUTHWESTERLY; THENCE SOUTH 57'54'30" WEST 50 FEET TO THE TRUE POINT OF BEGINNING OF PROPERTY AFFECTED BY THIS CONVEYANCE; THENCE NORTH 32'06' WEST 770.04 FEET MORE OR LESS, TO GOVERNMENT MEANDER LINE; THENCE FOLLOWING SAID GOVERNMENT MEANDER LINE IN A SOUTHERLY DIRECTION 119.61 FEET; THENCE SOUTH 37'09'20" EAST 684.49 FEET TO THE NORTH LINE OF GEORGIAN AVENUE AFORESAID PROJECTED SOUTHWESTERLY; THENCE NORTHEASTERLY 19.13 FEET TO THE TRUE POINT OF BEGINNING; ALSO TIDELANDS OF SECOND CLASS ABUTTING UPON THE MEANDER LINE OF AFOREDESCRIBED TRACT. SURVEYOR'S NOTES.- 1. THE MONUMENT CONTROL SHOWN FOR THIS SITE WAS ACCOMPLISHED BY FIELD TRAVERSE UTILIZING A ONE (1) SECOND THEODOLITE WITH INTEGRAL ELECTRONIC DISTANCE MEASURING METER (GEODIMETER 600) AND REAL TIME KINEMATIC (RTK) / STATIC GLOBAL POSITIONING SYSTEM (GPS). LINEAR AND ANGULAR CLOSURE OF THE TRAVERSES MEET THE STANDARDS OF WAC 332-130-090. 2. UTILITIES OTHER THAN THOSE SHOWN MAY EXIS' ON THIS SITE. ONLY THOSE WHICH ARE VISIBLE OR HAVING VISIBLE EVIDENCE OF THEIR INSTALLATION ARE SHOWN HEREON. 3. THIS SURVEY REPRESENTS PHYSICAL IMPROVEMENT CONDITIONS AS THEY EXISTED OCTOBER 12, 2006, THE DATE_ OF THIS FIELD SURVEY. 4. LEGAL DESCRIPTIONS PROVIDED BY CLIENT. NO ADDITIONAL RESEARCH HAS BEEN ATTEMPTED. 5. OFFSET DIMENSIONS SHOWN HEREON ARE MEASURED PERPENDICULAR TO PROPERTY LINES. 6. IT IS NOT THE INTENT OF THIS SURVEY TO SHOW ALL EASEMENTS OR RESERVATIONS FOR THIS SITE. SITE INFORMATION. - SITE ADDRESS: 3124 SW 302ND PLACE FEDERAL WAY, WA PARCEL NUMBER: 012109058 LOT SIZE: 37,496 SF IMPERVIOUS AREA SUMMARY. TOTAL NEW IMPERVIOUS AREA: 4,584 SF TOTAL NEW POLLUTION GENERATING IMPERVIOUS AREA: 1,941 SF EXISTING IMPERVIOUS AREA TO REMAIN: 2,614 SF TOTAL IMPERVIOUS AREA: 7,198 SF EX. 4" CLAY WEEP PIPES AT 8't O.C. CORE DRILL ADDITIONAL NEW WEEP HOLES AND INSTALL 4" PVC PIPES IN THE HOLES WITHIN THE LENGTH OF THE DISPERSAL TRENCH (14 LF) SO THAT THE WEEP HOLES ARE AT 1.5'f O.C. SEA LEAVEL 4'-5'± d - as . d O .d d d a. d d a DISPERSAL I -NCH DETAIL 6" 3' 1' MIN. - 6" PERF. PVC TO 1 Y2" CLEAN CRUSHED ROCK FILTER FABRIC FEB 14 2012 C-ITY OF FEDERAL WAY CDS �O�r0 >00 O � QQ � (0 {L w T 00 w V �Jw coU5z �QooxowCq ''� �n J u 0 U to o > PROJECT NO.: 11048 DRAWN BY: ENM ISSUE DATE: 01-30-2012 SHEET REV.: 02-08-2012 DRAINAGE PLAN 11048cv01.dwg MR SHEET 1 OF 2