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& & — 4 —/ \ _ NOTE LEGEND
\ \\ \ \ - 1. (INDICATES GENERAL CONSTRUCTION NOTE)
------ ------ \ \ / 3.
i (INDICATES SPECIFIC CONSTRUCTION KEYNOTE)
_--- W W _ - ---------- 403.39 n, _ DRAINAGE NOTES
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N\ 1. SUBSURFACE DRAINAGE AND SITE STORMWATER INFRASTRUCTURE SHALL BE PRESERVED AND
w / PROTECTED EXCEPT AS SPECIFICALLY AND EXPLICITLY DIRECTED BY THE ENGINEER. ALL EXISTING SYSTEM
COMPONENTS ARE SCHEDULED FOR RE -USE.
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��✓ i\ \ / , �\C \ / /�\ / \ I I I ,I 1 �- �� 2. FIELD SUBSURFACE DRAINAGE FINISH WORK MAY NOT BE PERFORMED PRIOR TO THE APPROVAL OF THE
j %// / /�\\ / \� i�\ /' `/ /�\\�\�/ \\, I I II I I I I o / \\ _ FIELD SUBGRADE ESTABLISHMENT.
�// �\ / 3. FOLLOWING MASS EXCAVATION OF THE EXISTING OVER -BURDEN OF ROOT ZONE SANDS AND
/'/ / \\� q�I II O AGGREGATES AND APPROVAL OF THE SUBGRADE, LOCATE AND MARK WITH LATH AND FLAGGING EACH
// ��//f� ��C. 'I\� ��\�/ J.\ //\\\\/ /\\ / ./ \C ' \� ��\�/ �\ ` / ..:� I I I I �+� mIfll\/If11141 FIFI fl CI IRCI IRG4(F f1R41r\14(,F 14TFR41 4Nf1 RFM(1\/F FXICTIr\I(, f1R41r\14(-F R4f'vFII I
//' BOG/ \ ' / / ' ' \` / ' / �\\ / / I I I I I \ 4. SURPLUS EXCAVATED SOIL AND AGGREGATE MATERIALS SHALL BE REMOVED FROM THE FIELD
00'/ Cl
SUBGRADE PRIOR TO COMMENCING ON THE NEXT ADJACENT TRENCH. EXCAVATED MATERIAL MAY NOT
*,000, 0,� REMAIN ON SUBGRADE.
O° r STORMWATER DETENTION ' �` /� \ �\ / I I I ( I <\ 5. PROVIDE A SMOOTH EVEN SUBGRADE AFTER REMOVAL OF THE TRENCH MATERIAL. SUBGRADE TO BE
A '/ / � I �� \ ' �\ / SEE CIVIL �\ /� ' �\ I I ( COMPACTED TO 95%. LEAVE NO LOOSE MATERIAL ON THE SUBGRADE. SUBGRADE STRUCTURAL SOIL
CD
E TRENCH CLEAN-UP,
/' 00C,//' \ �//' r/ �\\ / ' \` / i�\ ' �\\ / \ 4 /I I I I \ PLAC MENT OF TR NCFABRIC PLACEMENT OHBWALLLCOORDINATED
FABRIC, AND BACKFILLWIITHLETION CL AN,OAPPROV APPROVED AI AGE AGGREGATE.
t Oo� - C /// - O� // �0 \ i�\ / �\� �\� \� I 6. WHERE DIRECTED, REMOVE EXISTING FIELD SUBSURFACE DRAINAGE LATERAL AND REPLACE WITH NEW
O �� i\\ /�\\�\�/ \\�/ /� �/ \\� 5.o I i I I o j O AS FOLLOWS;
, / \ \ / �\\ / ' A. EXCAVATION BELOW INVERT GRADE MUST BE ESTABLISHED TO A DEPTH SO AS TO PROVIDE FOR
/ \� / /ri ' 0' /'' \� I I
/ O/ �\ SPECIFIED PLACEMENT OF PEA GRAVEL BEDDING AT BOTTOM OF PIPE ELEVATION PRIOR TO LAYING
/ / // // / / /0�//' /j/ - _ /�0°/,/� T?c/ /j ,// ,// / i\\ /\\� �\\/ \ / 04. 5 I i I I I �/ a THE PERFORATED PIPE.
/ D�,r/ /// / ,, / �' ,// GoC �O /// i��,// \ / \\� B. CONNECTION OF LATERALS TO COLLECTOR DRAINS SHALL BE MADE WITH A COMBINATION REDUCING
\ �\\ TEE AND REDUCING SADDLE TEE.
��/'� '/ O� '� �� '/ \\. / ' /\� I I o C. NO FOREIGN MATERIAL WILL BE PERMITTED INSIDE ALONGSIDE UNDER OR ON TOP OF THE
/ // / �/ ,// gh,�/\ •Sp/ /r ,�/ /r \: J'!��1 /�\\�\�/ i\\C i\\ / ,1�� x I I I I PERFORATED DRAIN PIPE.
�F '\` / i\\ / D. THE BACKFILL FOR ALL PERFORATED PIPE SHALL BE CLEAN WASHED PEA GRAVEL. REFER TO THE
% l/ �/r /j/ // / r it tp� jj/ �F1_; 'A rr� / \\� \ I I II I I \ SPECIFICATIONS FOR THE GRADATION REQUIREMENTS.
� /�/�\\/� / \: o I I ` I I E. ALLTRENCHES TO HAVE BACKFILL MATERIAL "CROWNED" A MINIMUM OF 2" ABOVE SUBGRADE TO
,r/ I / / / \, 1�r/ //j/ / �/j \\ /� / \\� /' �/ /*> i I I PROTECT FROM FOREIGN MATERIAL AND PROVIDE FOR EASE OF LOCATION IDENTIFICATION.
,��?/,� / /� �,�/,/ r� �,\ /,\ �c ,,� �h ,,/' �Q� ,,/ ,/ \ / /�\\� i\\ //\\\\� �I I o CROWNS WITH FOREIGN MATERIAL CONTAMINATION SHALL BE REMOVED PRIOR TO PLACEMENT OF
�� r/ / \ /' \` / I \ 3981 BASE AGGREGATE.
rj' �°,�i/ , r ,/� r \� \ / �\\ �� \ 396 F. DURING PLACEMENT OF SPECIFIED TRENCH BACKFILL, PIPE MUST BE HELD IN PLACE TO PREVENT
/ // ��, �\,' I \ 6. EX DISPLACEMENT AND PROVIDE FOR ACHIEVING SPECIFIED INVERT ELEVATION. DO NOT DAMAGE PIPE
/�� ���' /�O �� ' O�`b/ j / j/ ,// \\ , / �\\ i o I ( ) OR ALLOW PIPE TO BE DISPLACED BY PLACEMENT OF BACKFILL MATERIAL.
// / // // \\�X '/ ' INSERTA-TEE TAP
Uj // / // // / / / i \ �\ CONNECTION / s 7. CAP THE ENDS OF ALL LATERAL RUNS WHERE THE PIPE END IS EXPOSED. ALL OPEN ENDS DURING
/'/ ///�O p \ �, � e IV 38(718 ( / CONSTRUCTION ARE TO BE TEMPORARILY CAPPED OR PLUGGED.
/� 41,
�� // ,j �i ,/ ��� \ / / g NO TRUCKS OR EQUIPMENT WILL BE ALLOWED TO DRIVE OVER THE TOP OF THE TRENCHES EXCEPT
r/ °' TO .2
.2 I \ TRACK -EQUIPPED MACHINERY UTILIZED IN SPREADING BASE AGGREGATE MATERIALS. BACKFILLED
/� /� 00� /� �O A G \ 00,,/ ��� /\:\ �\ I I I W 00 TRENCHES ARE TO BE STAKED AND FLAGGED 3' ABOVE GRADE AT MAXIMUM 30' SPACING.
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/ D[RAINAGE LEGEND
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/O• kEX0 7O2 (EX) A'
�/ // ,�END CAP,, /6`11,,,,iO/r405.23(i/
I I \ Q)\ I / ,r/ ,�/ ,r/ 0� /r ,j/ Off. Fs, r // / / i — EXISTING 6" PERF. CORR. POLY DRAIN TUBING
I I l / / / d / ii r/ rr ii // /r a I\ i/
,� r ,/ ooS �J ,� / /r/ , /i // /r rr �o� o /i ° ,�°
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\ \ \ II I/ \ I I I �i�✓, , / j—O //v� ri/ jr//r, , / ri/ ,/i ,ii� //i/,/ /r i/r�i i/r %i r /j % �� r// ��/i /i/j• � � ��1s �/°� /�o� /0rj ,�/r �II, / /( �/ i/ \ \ / /
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EXISTING 6" OR 8" CPEP DRAIN COLLECTOR
, A o CLEANOUT/V /,/ /
/,�/,/, rI
///
\ r / l / f JI FLOW DIRECTION
/'' /// // r// //// //' /// / 00
\cb j, / �F // \ �/ G0/ p ICY° /� / / / / /
/ ,// j O� // �. IE 414.30 INVERT ELEVATION
\ , J , / // // I // // /� /, / /� ��,, / j / 40 .23 (/X� / 4�15!21
' /' /� //� r irk /'j % i'r ,% Qj/ r/���� r �\ /
,// ,j/ / / ,, / �O , I� / / / �, CIE 413.00 COLLECTOR INVERT ELEVATION
/ // r/� , / // // // r/ / / �� // �` r °� O� � 0 4 5.59/(E� BW 65. � � - ,r 410
/ ,, O ��� )/ / , Y - - - - - - - - - - - EXISTING CATCH BASIN
/'r I /%'� , rr r / O �)'/ i'/ 405.27—
j N / r /r ' / i o�irr ,ii� ro // ,____
// L' I �/ \ /r // O /� �� j, / / `� /i� A O I� I% / // / / / / _ - _ HAND EXCAVATE EXISTING DRAINAGE
// �/ °/ / / / / / /% d 40533 Xy /// / / / / ' '' TRENCHES FOR EXISTING DRAINAGE PIPE
0 3. 3 1�01,/ ✓ - G� �/ / / / /' / �_ INSPECTION, REPAIR, AND DRAINAGE
\ r — / // o O // �, // /� / // �O / /� / / / - AGGREGATE REPLACEMENT
�.
NO T
404.28 404.2 405.35 (EX) 40 405.28 (EX)/cl
�� �� \ \ / �— — �— _ ——405-38 (EX) — _ = = _�-- 405.3 ) / / X \ / / / / / / �01'
/ / / / / �_ \ R-434426
\ \ \ \��o - - -- - _ z/* �/, // // / _ IN COMPLIANCE WITH CITY OF RENTON STANDARDS
\------------ = _ __ _ - - - - _
/ / / / / ' DEVELOPMENT ENGINEERING
��----------------- �- -- — _ _ i MATCHLINE-TO SHEET F131 / / // ^i7
- 1 (NOTE PLAN VIEW ORIENTATION CHANGE) \J >/ HBra 06/24/2025
Z.
� CIVIL CONSTRUCTION PERMIT 2/21/25 SURVEYED: SCALE: VEffnCAL- NAw lsae DATE:
�. r�
OF As CIVIL CONSTRUCTION PERMIT RESUBMITTAL 4 14 25 DESIGNED: I =20 HORIZONTAL- NAD 1983/1991 . CITY OF LINDBERGH HIGH SCHOOL 21 FEB 2025
FlELDBOOK:
`a CIVIL CONSTRUCTION PERMIT RESUBMITTAL 6/4/25 EJG � RENTON
!1 HOGAN Z DRAWN: FIELD IMPROVEMENTS PAGE:
LRB ONE INCH DRAWING NO:
� �ATU M
D.A. Hogan & Associates, inc. �- FG�STER \ CHECKED: AT FULL SCALE Planning/Building/Public Works Dept. BASEBALL DRAINAGE PLAN F 13 0
1450 114th Ave. SE, Suite 225 sIo EPA IF NOT ONE INCH
Bellevue, WA 98004 206-285-0400EJG
NAL NO. REVISION BY DATE AP P R APPROVED: SCALE ACCORDINGLY SHEET: 2 6 OF,
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