9506 7TH AVE SE 2023 Plans 2025-04-08

A PORTION OF SECTION 18,TOWNSHIP 28 NORTH, RANGE 05 EAST,W.M. H s - r - - ` / -- J I L h/ Option l:Leave native soil undisturbed,and TABLE I-Grass Seed Mix for Permanent Stormirater ILL! " - - v --� I-------`- I protect from compaction during construction. Management Z M I / Option 1 is only applicable to sites that have the original, N undisturbed soil native tome site.this wiu most often be COMMON NAME SPECIES WGT/PERCENT N forested land ma being left unal:turbed in the current o 1\ N - ---Nil 5 / \\ prgieac Q o� /--- \?t---- L l/ i bl L------ yti" Mountain Brame Bromus Mar inatus 20 I /ry �y � III ti '� Ir Optioanf2:Amend disturbed soil according to 9 '� Q�w J the following as,ced three one foot. Slender Wheatgrass Elymus trachycaulus 20 ti procedures: I✓ ( / I y subsoil to a depth of o Q i / b. In pi b inches of compost and Perennial R a rass Lolium erenne 20 W �`'o "I I /< - i v rill in no an eight depth. Y g P r pl MPT5.13 ed Soils shall placed on o. In rari areas,place two inches or compost and till into AnnualRyegrass Loliummultiflorum 20 c finis e grade for long term est blishment of \ \7 -------_ \ an eight-inch depth. m Q 1 / ( / a. Apply two to four inches ofarboristwoodchip,coarse White Clover Trifoliumrepens 10 o0 / ero ion and sediment control v etation in bar,mmcn,orcompostmulchtoplantingbedsafter J / r ,1 I I I Ian scope \ \� I r ��\ - if plamirg. Quickguard (Sterile Triticale Hybrid) 10 I \ P Existing Condition:Pasture p -- Alfernat fy.disturbed soil can be amended on a Z ProposedCondition:Pasture sti site-oustomlzedm annersothatitmeetsthesoilqualiry s�I_--------- o \ I 524- _ i� criteria set forth°bove,as determined b licensed s 5 ll. engineer rvge logistohomsh cour architect,or other person NOTE:Any Substitutions must be approved by Design Engineer as 6r I/III s�_-- -- before any application is made that deviates from these r - '• ( I Pro osaa-T€seSedimentTrap.Trap / x 7�,asa- yc Option3:uisfurbedSoil. specifications.Substitutions are allowable but must be Q 11 \ we ro empa�o r�,errmlr dose \J r////� �� ' slz \\I\ ( `�:e6( Stockpile ro me e topsoil during aria replacer pre-approved. W a to r /_ pie exist In r . nee _-- ur P 522 / / /I/a •% P \\s rs" % Rpuoeeroress awrllavegmeprolmusrbeamendeaif - o Bunn I 1 / 514--�� 524 / > ` - / / / the organic matter and depth z procedures in option lq. S APPLICATION:at t: rate pi cified or the feed mix b operated o cover so y r and topsoil and stockpile Spreader at the rate specified for the seed mix being spread. separate(,in an approved location priorrograding. Hydro-mulch at the rate of 50lbs.per 1000 sf over the seed. p a and nursery wanwooenweat tamer Hydroseed tanks and equipment to be cleaned of all prior seed y 3 (available from nursery supply stores(that sheds moisture < a� / I I l,-_-I \ refs- yerallowsaldlow. and other materials before use. z I cen Iran sediment 1' / I I / / \ -�i Option 4:Import topsoil mix with 10%min soil >< ?IIrI / N�a sl9sf per 1 \ \\ Ir „ Import morganiclo matter vosufficient matenL x -/ / p 1 I I' .-------'I I to et the organic uratter and depth equirements. �R ll I.-. see Mix mblel \ L- 516- y owa ' / i 1 -�_-- °sr II I'I /� 1\ I - --; I 513 AMENDED SOILS I I III � L l l I / 1 1 �x rsomi seemenl�; Y o - I III I PII PREPARATION OPTIONS I� SCALE:NTS per 2019 SMMW W vol 3,Ch 3.1.2 - �1=-----�' /� � •�_— — � - �� i �`� sl��, -------- �� 522 I I I \ \ I \ _- --i 1--w U- / / -_- (! + III ll 1 II I" 1 1 N I 11 I I\ -_iw---w---w---w---w---w---w 7w---w---w---w---w---w---w---w/--w---w---w---w---w---w---w---w --w---w-- I— 0712512023 r I I v II I II 7I IP -- I I 1 I sec I Old V 1 IL — —— I I I- - III I-•--------�fl�' I I (I II \� � \Ivv11 I � sla-�� r- _---� �Ii r I C I I U \ -- dd -- se I--- ` I 1 I i I � T I I I III( I v \ wmrp>a� I ' I ' Edge of Disturb 20'Safback Z y h y \III II I j //��-il I 'C 1 \Proposed TESC Sedimen}Ttop.Trap Cenfral2Sedim nr \U \ Are°(f IP.) c i I P\ ham -------------- V Q 0 a j /I I I I 'll ti remain carer proiea pre mir apse ap:Lazo sr / - v e" -'5 -i h avow 9a 1_) I d(' \ sza mre aansm,tion permas. A\i s East sediment / S°o e/ /o/ oil l IV IV I A\ \ \\ Seeivix�rTable A s� 514 �� Trap:88rsf e e // / o iPrdpo4 a rescy�a menirrap rra� / --- -- aner plolecr pe�ir dose s sV folfufur$consfrucfbn perm is u• I J 520 1 / �pzximole Fxkhny \ �Ex s/5 rEoreme�l - wo aetme�eyrJ\ �A"eoszz�acoemporon f.. li 11 z ' a Entrance }Sediment \\ \ \\ 1 _\ - -_ - - - - - _ - -- - _ 1 \ trap eso sf \ B(1P T5.13 Asrnended Soils shall be�placed on s __ ----- I _ T ------- ---------- i 51a� _ < fin'�Shed grade for longaerm establishment of `--_ Sa - o \� _-_- 1 d I z IlwJ \ \ \ erosigaand shdiment control vegetaI in 14l� \� \V �� `_s2eas'- V and�ape arA�s. I - - - - _ w { 1-� � -- _ sza -- --- SI--��--1---�----�\-- - --- r" "1 ---- -- - � - - __ st4's1a -_--- _- s4� ila:nI I r ---- w z I �7- sz Temporary Construc}lon Entrance.Fxls}in � � � � ��/ // <o _ _ orercam w---w---w---w--- --- //v/_ , 3 I _ \ Asphalt road may be maintained ihro'gg c c e —51A�� sore Y -- ---- ,� c e c Eoremeln�T� z/saz n , �,y - - (� o o Z 9 \ e \ w bulk grading of site.Majority of site - -� -w- w w __w___w___w_ _w___w___w___w___w___w___ 11 h -w---w- -w---w---w--- ------- I �oeAweoeaaoss6 I f „ / gradingoecurswikhinbulkgfs''Its}, L W a > w-�w / l fl//hesEaremenl \ m CIIIV I r� --- -- - ------------------ \ \ 3 li So/- Sp67 �/ / /' o E omv \l i �Io \\\ o Z - --- e o ------ ------------------ I I W \ H r------------ i /i / ------------ ------ / _ ----- - / I a _ 3 - --- -' -- r------ ------- w �P I 1 ------ I I o I I 1 99 f 0 1 - 0 STORMWATER MANAGEMENT PLAN 0 40' 80, Z CQC Scale:1"=40' L Ell W Q 3.a � U a IZ co 3 co to O 0 " � _ d; N sic in M o E N O. 04 N 0 CL o >Q o) W O � � O%3 0 o V y U m CL >_ - w o AQUIFER RECHARGE/ WELL HEAD PROTECTION Law,over 100 E UNDERGROUND UTILITY NOTE SHEET EG7 EG7 m , Underground utility locations shown hereon are based Alderwood-Urban Land Complex c of to upon surface indicators.No underground location Hydrologic Soil Group:B service was utilized for their location.The use of this Compact Fill Area to 95%Modified Proctor 24x36 map for their exact location is not warranted.Prior to construction user should call the utility location service a11-800-424-5555 48 hours before construction. P W 2303-017