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HomeMy WebLinkAboutR-398738T_! C0P#1 2/23/2018 N 0) r) BOTTOM LIMITS OF BIORETENTION AREA AS DENOTED ON PLAN UPPER LIMITS OF WITH DARK OUTLINE AND w BIORETENTION SOIL PER BIORETENTION AREA HATCH LA DWGS OR 1.5' MIN H CONSTRUCTION SEQUENCE FOR BIORETENTION AREA UPPER LIMITS OF PLANTINGS BIORETENTION SOIL PER 1. INSTALL TEMPORARY SEDIMENT CONTROL BMPS AS SHOWN ON PLAN.PER LA DWGS OR 1.5' MIN DWGS 2. COMPLETE SITE GRADING. PROVIDE PROTECTION SO THAT DRAINAGE IS PROHIBITED FROM ENTERING BIORETENTION CONSTRUCTION AREA. 6 PONDING,, �I u7 3y 1V A DEPTH M ��� 3. SITE STABILIZATION TO BE COMPLETE PRIOR TO INSTALLATION OF BIORETENTION �i MAX 3N'���i��i��� �. I''' o_ AREA. BIORETENTION AREAS THAT WERE USED AS TEMPORARY SEDIMENT TRAPS » =%���BIORETENTION AREA BOTTOM, SHOULD BE EXCAVATED 6 INCHES BELOW THE BOTTOM OF THE SEDIMENT TRAP �P� , � Z i i�iii 3 TOP MULCH �����\� �� OF �\��\��\��Y PRIOR TO CONSTRUCTION OF BIORETENTION AREA. Al �� >r O \��\� LAYER ,�� ������ i��i���i���i���i�i` MULCH (PER LAN) \�� \\�\ 4 } , r s _ S s � ��: D R �'O'9:IEi lEL Ik 12 MIN DEPTH OF ���i\��i\��i\�� ii���i i' BOTTOM OF BIORETENTION �!��%�%� ��%' AREA SHOULD BE LEVEL 4. INSTALL BIORETENTION AREA IN ACCORDANCE WITH CITY OF RENTON STD PLAN -'! ; , , °�gE,o�r�n,r a BIORETENTION SOIL ON ��!��! WITH NO SLOPE 262.00. z;ra7i ®:s+►,,4ov�aE,P 2 :: SLEVATION, i�� /��j��j\/ SIDE SLOPES (TYP) o�J r ,p oz�rg . ,',.n, c5 _ (n o����� 18" DEPTH BIORETENTION o 0 0 0 0 0 0 0 DO NOT COMPACT SUBGRADE 5. EXCAVATE BIORETENTION AREA AND INFILTRATION TRENCH. INSTALL FABRIC, AND 0 0 0 0 0 0 0rilr,'.E-`%T.`.'�.[17 - F= s- _ j s,G, , �+ "` � �� 5 WITHIN BIORETENTION BOTTOM BACKFILL INFILTRATION TRENCH. GEOTECHNICAL ENGINEER SHALL VERIFY SUBGRADE SOIL MIX I , ,.I € ' -i- '- - : ' ..." � �I�r I I - I• I W o 0 0 0 0 o AREA. SCARIFY UPPER 3 -4 PRIOR TO BACKFILL. PROTECT INFILTRATION TRENCH FROM ANY STORMWATER UNTIL REQUIRED UNDER FULL ..-i;. _� ,- ;' �.y _.. _ry,� ll cv�• �;,r �, �� ,, R AbWR }:.. , , , .. SEEN:':TF4 ItlE`EIII I iil I i' dl f1� LL _ PRIOR TO PLACEMENT OF SITE IS COMPLETELY STABILIZED AND STORM DRAINAGE SYSTEM IS CLEANED._._ o 0 0 0 0 0 0kR(Nk"a EXTENT OF BIORETENTION o 0 0 0 0 0 0 0 AGGREGATE MATERIAL .. ; Ern ,, p. -,, w...',• - - __i--_. ,F ,.; g rta III• Na,C12: A.,T., - p LJNDERohAINP,PE 4s t1:*14 Ell BOTTOM AREA ±' t s�Fsn':AH�e�3o OVERFLOW DRAIN - PER CITY OF RENTON 6. SCARIFY THE TOP 3 4 OF EXISTING SOIL SURFACES OUTSIDE OF INFILTRATION ,, >1. Y , _ �...W _ .. _ _ - i!I-� » TRENCH CARE SHALL BE TAKEN TO NOT CONTAMINATE INFILTRATION TRENCH. DO 12 DEPTH CITY OF STD PLAN 262.40 W/ LOCKING DUCTILE A NOT COMPACT NATIVE SUBGRADE. SEATTLE MINERAL IRON BEEHIVE GRATE ,,llffol`l°lf �L' . <, t: I Sra!va5�a lll� lllfe� AGGREGATE TYPE 26 RIM SHALL BE 6" ABOVE BIORETENTIONTOP 7. BACKFILL BIORETENTION AREA WITH BIORETENTION SOIL MIX AND AGGREGATE ; .�1, yyR MIN BOTTOM OF MULCH LAYER ( ) MATERIAL. OVERFILLING IS RECOMMENDED TO ACCOUNT FOR SETTLEMENT. LIGHT , ,s s ��s+;-Ircrwns , _ ..,._ .._,,, BOTTOM LIMITS OF BIORETENTION HAND TAMPING IS ACCEPTABLE IF NECESSARY. AREA AS DENOTED ON PLAN UPPER LIMITS OF 8. BIORETENTION SOIL MIX SHALL BE PER LANDSCAPE AND CITY OF RENTON SWDM BIORETENTION SOIL PER BIIOREDENTIOOUAREA HATCH REFERENCE SECTION 11C. BIORETENTION SOIL DEPTH SHALL BE A MINIMUM OF LA DWGS 0 R 1.5' MIN UPPER LIMITS OF 18-INCHES L010* ,nlr+rr f..� I &,oci Exrr� _ ;A aFA�G1P M S '. r i _ '9 , BIORETENTION SOIL PER LA DWGS OR 1.5 MIN 9. PRESOAK THE PLANTING SOIL PER LANDSCAPE PRIOR TO PLANTING VEGETATION TOtiAv�L�ASE';SEEsra'a 6" PONDIN ,K�w�raaz„r►s AID IN SETTLEMENT. V DEPTH .:rsDoaaj::, 10. COMPLETE FINAL GRADING TO ACHIEVE PROPOSED DESIGN ELEVATIONS. LEAVE SPACE i i i i 3� TOP MULCH FOR UPPER LAYER OF MULCH AS SPECIFIED ON PLANS. cirri iiir LAYER I 11. INSTALL DISCHARGE PAD PROTECTION AT FLOW ENTRANCES. DISCHARGE PAD WILL BED � �: D"SiC. e3:d ',TQ ?� -Y R:-� �u��,E�1�� F �_>. _,'- �, ' RK�AA�}` _. �� tEi�'Ii�FR1�G.lE'Rir✓�IF�fiLt.tsOtiF't�lYl�'��5?�15�C"i�f�l NBEff'l71 71 '!4". Ii�Mwf479+PiT. kS�RA- ': DO NOT COMPACT SUBGRADE '4IT » ��������� SET INTO BIORETENTION SOIL AND NOT LOCATED OVER MULCH. 18 DEPTH BIORETENTION �;i��i��i��i��i o 0 o ii �i�ii� WITHIN BIORETENTION BOTTOM � ' ��!`� ��T f� f. _ � a°, _ ::.; � w err , =eE �ac�TED vu N to ,r ftaAr�: „r Mru r c�� cuss: Ess +r i►+ a>vr+ SOIL MIX s; t�+�nct.}t..:nl�>i,u�tstr�re�ocArowsavi REQUIRED UNDER FULL �i��i���i��i��i��i� o 0 0 ,,r,,�i,,r,,i� AREA. SCARIFY UPPER 3 4 12. PLANT VEGETATION ACCORDING TO LANDSCAPE PLANTING PLAN. - u ►�_ .w�nhk4t*P=tM CT. UN0F� ,aftbNOW)01cswiallas i:.-'r0+w, +r+x�uis c a©r"M rt � u�; , ' r t l = EXTENT OF BIORETENTION%�ii%i���%��%��% o o p ii��ii��i���i��� PRIOR TO PLACEMENT OFAND i���i���������� %�i���%��% AGGREGATE MATERIAL GENERAL, a tr.. p � s fucBE VVEEN RECA$lr,rst xrp cr AWL ,ua� Lwllo,ysee�wsmar' SAC F1Ci1�9tl�,KiiITSBETVJEENPRECA5t.1i�$��.$�1�STfi7PEf.,7,�53 BOTTOM AREA �������������� 13. CONTRACTOR IS RESPONSIBLE FOR KEEPING BIORETENTION SOIL SEDIMENT FREE' �����j�����j�� 3' WIDE BY 28' LONG AFTER INSTALLATION AND UPON COMPETITION OF CONSTRUCTION, AND ANY SEDIMENT » �!���i���ii�ii�� %��i���%��ii TRENCH MINUA�,d' r i9YsETe cam�ti ri suitE Uri st r �srr, Aa nrfiee�s use ram? ?awns Oa.. � vrf kka TMEA"T GICU74lT� E�IEi1 LNo l# 12 DEPTH CITY OF SEATTLE %<�! ii o 0 o i��i��i� i RECEPTOR BED INFILTRATION CONTAMINATED BIORETENTION SOIL SHALL BE REMOVED AND REPLACED AT THE \ TYPE 26 AGGREGATE MATERIAL TO BE PER AASHTO N0. 2 CONTRACTORS EXPENSE. � �,�', ; �+.;rt��p�wr>rv. < t���;.,-:;� '� ,�� ,�!�`����."��reR,,�gs� ,,,_- _ r.. , , ,.r . i�lr� �►�owsr REse�� �arnE � m�. r�. �� ELEVATION OF RECEPTOR LAYER- 6 12" APPROXIMATELY 7 FEET BELOW EX GRADE CONTRACTOR TO COORDINATE WITH 5I T :. TE : ,�, ; `�`� "91, k,C�f'tt A�PI�ATER'dl -11 GEOTECHNICAL ENGINEER FOR 53 Ie�►c,I r+AFa r Meit F PIMA ����c� PROVIDE SEPARATION FABRIC ALONG VERIFICATION OF SUBGRADE PRIOR TO uH,EssorHEmvis�rvDzeDcsa ,N 1irl3rl UNUS OTHEAWWNOTED,;RAi. SIDES OF INFILTRATION TRENCH TO BACKFILL 6" INTO RECEPTOR LAYER DO NOT PLACE BETWEEN STD. PLAN 262:00 ObbucwORKS BIORETENTION°SECTION I1 PUBLIC W0 S aE aRTt ENr 'BIORETEINTIOINi- OVERFLOWOUTILET SM."PLAN 262.40 AOP OVED DEPART (NO UNDERDRAIN) nENr STRUCTURE BIORETENTION AND GRAVEL OR AT . BOTTOM OF INFILTRATION TRENCH SECTION A -A NTS NTS NTS BIORETENTION FACILITY WITH INFILTRATION TRENCH 6 COR STD PLAN 262.00 - BIORETENTION SECTION NO UNDERDRAIN 7 COR STD PLAN 262.40 - BIORETENTION -OVERFLOW OUTLET STRUCTURE 8 R-398738 IN COMPLIANCE WITH CITY OF RENTON STANDARDS NOT USED 9 NOT USED l O NOT USED J. SURVEYED: SCALE: »_ 1 =20 HORIZONTAL: ONTA�L-.:NAD 198 /199, CITY OF ; RENTON FIRE STATION 15 1404 N 30TH STREET DATE: 4/30/2019 1932 First Ave Suite 201 Call 3 Working Days Before You DIG! Seattle, WA 98101 OY WAS/1 `q ti , �c �� �, � - DESIGNED: FIELDBOOK: PAGE: DRAWN: sMN p. 206.725.1211 =Q 3os6 RENTON WA 98056 DRAWING N0: og, f. 206.973:5344 �� .� � �� �� dot �cisTER ti ONE INCH DATUM Works Dept. 03.04 CHECKED: IFAT FULL NOT ONEINCHPlanning/Building/Public engineering pllc www•Ipdengineering.com 1-800-424-5555 NO. REVISION BY DATE APPR SCALE ACCORDINGLY DRAINAGE DETAILS APPROVED: SHEET: OF, 11 18 0 0 O 0 0 N C'7 O O a J O O O 0 I T Z 0 H a H W cr LL