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ACCEPTABLE FILL MATERIALS: STORMTECH MC-7200 CHAMBER SYSTEMSuj
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V r GEOSYNTHETICS 601T NON -WOVEN GEOTEXTILE �
(o MATERIAL LOCATION DESCRIPTION AASHTO MATERIAL CLASSIFICATIONS COMPACTION / DENSITY REQUIREMENT 0 MC-7200CHAMBER C1. o
0 < Y$ - MC-7200 END CAP o Q z U 33
FINAL FILL: FILL MATERIAL FOR LAYER'D' STARTS FROM THE w w ° _ w g
PREPARE PER SITE DESIGN ENGINEER'S PLANS. PAVED _ °
TOP OF THE'C' LAYER TO THE BOTTOM OF FLEXIBLE ANY SOIUROCK MATERIALS, NATIVE SOILS, OR PER ENGINEER'S Z U Z o U
D N/A INSTALLATIONS MAY HAVE STRINGENT MATERIAL AND O O " - O O u,
PAVEMENT OR UNPAVED FINISHED GRADE ABOVE. NOTE PLANS. CHECK PLANS FOR PAVEMENT SUBGRADE REQUIREMENTS. O
PREPARATION REQUIREMENTS. F- N ° O Z N $F
THAT PAVEMENT SUBBASE MAY BE PART OF THE'D' LAYER U Z o g = Z o N F
W STORMTECH HIGHLY RECOMMENDS v N o `�
AASHTO M145' = D'_ FLEXSTORM INSERTS IN ANY UPSTREAM = Of
Q GRANULAR WELL -GRADED SOIL/AGGREGATE MIXTURES, a35 % A-1, A-2-4, A-3 BEGIN COMPACTIONS AFTER 24" (600 mm) OF MATERIAL = _ STRUCTURES WITH OPEN GRATES o
INITIAL FILL: FILL MATERIAL FOR LAYER'C' STARTS FROM (; g = g
THE TOP OF THE EMBEDMENT STONE ('B' LAYER) TO 24" (6D0 FINES OR PROCESSED AGGREGATE. OVER THE CHAMBERS IS REACHED. COMPACT ADDITIONAL =
w C OR LAYERS IN 12" (300 mm) MAX LIFTS TO A MIN. 95% PROCTORCD
W ELEVATED BYPASS MANIFOLD $
mm) ABOVE THE TOP OF THE CHAMBER. NOTE THAT U °
MOST PAVEMENT SUBBASE MATERIALS CAN BE USED IN LIEU OF DENSITY FOR WELL GRADED MATERIAL AND 95% RELATIVE w LU w
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PAVEMENT SUBBASE MAY BE A PART OF THE'C' LAYER. uw m
I— THIS LAYER, AASHTO M43 DENSITY FOR PROCESSED AGGREGATE MATERIALS. z h a o p
3, 357, 4, 467, 5, 56, 57, 6, 67, 68, 7, 78, 8, 89, 9, 10 p a g z o a g
EMBEDMENT STONE: FILL SURROUNDING THE CHAMBERS , ' f
B FROM THE FOUNDATION STONE (W LAYER) TO THE'C' LAYER CLEAN, CRUSHED, ANGULAR STONE OR RECYCLED CONCRETES AASHTO M43 NO COMPACTION REQUIRED 9 g
ABOVE. 3, 357, 4, 467, 5, 56, 57
FOUNDATION STONE: FILL BELOW CHAMBERS FROM THE a
A CLEAN, CRUSHED, ANGULAR STONE OR RECYCLED CONCRETES AASHTO M, 5 PLATE COMPACT OR ROLL TO ACHIEVE A FLAT SURFACE.' .3
SUBGRADE UP TO THE FOOT (BOTTOM) OF THE CHAMBER. 3, 357, 4, 467, 5, 56, 57
PLEASE NOTE: 3' N 1 - '
o ° SUMP DEPTH TBD BY 0 o
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1. THE LISTED AASHTO DESIGNATIONS ARE FOR GRADATIONS ONLY. THE STONE MUST ALSO BE CLEAN CRUSHED ANGULAR. FOR EXAMPLE A SPECIFICATION FOR #4 STONE WOULD STATE: "CLEAN CRUSHED ANGULAR N0.4 AASHTO M43 STONE". ° w
( ) R� SITE DESIGN ENGINEER NYLOPLAST
2. STORMTECH COMPACTION REQUIREMENTS ARE MET FORA' LOCATION MATERIALS WHEN PLACED AND COMPACTED IN 9" (230 mm) (MAX) LIFTS USING TWO FULL COVERAGES WITH A VIBRATORY COMPACTOR. ° u $ (24" [600 mm] MIN RECOMMENDED) �
3. WHERE INFILTRATION SURFACES MAY BE COMPROMISED BY COMPACTION, FOR STANDARD DESIGN LOAD CONDITIONS, A FLAT SURFACE MAY BE ACHIEVED BY RAKING OR DRAGGING WITHOUT COMPACTION EQUIPMENT. FOR SPECIAL LOAD DESIGNS, CONTACT STORMTECH FOR 8 w
COMPACTION REQUIREMENTS. ° 24" (600 mm) HDPE ACCESS PIPE REQUIRED ONE LAYER OF ADSPLUS125 WOVEN GEOTEXTILE BETWEEN N
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FOUNDATION TONE AND CHAMBERS
4. ONCE LAYER'C' IS PLACED, ANY SOIUMATERIAL CAN BE PLACED IN LAYER'D' UP TO THE FINISHED GRADE. MOST PAVEMENT SUBBASE SOILS CAN BE USED TO REPLACE THE MATERIAL REQUIREMENTS OF LAYER 'C' OR 'D' AT THE SITE DESIGN ENGINEER'S DISCRETION. w USE FACTORY PARTIAL CUT END CAP PART #: OU S C S w 5. WHERE RECYCLED CONCRETE AGGREGATE IS USED IN LAYERS W OR 'B' THE MATERIAL SHOULD ALSO MEET THE ACCEPTABILITY CRITERIA OUTLINED IN TECHNICAL NOTE 6.20 "RECYCLED CONCRETE STRUCTURAL BACKFILL". ° MC72001EPP24B OR MC72001EPP24BW 10.3' (3.1 m) MIN WIDE CONTINUOUS FABRIC WITHOUT SEAMS ° 6 5
€ ADS GEOSYNTHETICS 601T NON -WOVEN GEOTEXTILE ALL AROUND MC-7200 ISOLATOR ROW PLUS DETAILNTS
CLEAN, CRUSHED, ANGULAR STONE IN A & B LAYERS PAVEMENT LAYER (DESIGNED o $ ° 99
BY SITE DESIGN ENGINEER) n �
8� q a
D 'TO BOTTOM OF FLEXIBLE PAVEMENT. FOR UNPAVED 1 T Z
INSTALLATIONS VVH RE RUTTING FROM VEHICLES MAY OCCUR, y�
PERIMETER STONE C INCREASE COVER TO30'Q50mm), 24" (2.1m)TOPOFGRAVEL402.00
(SEE NOTE 4) p
12" (300 mm) MIN TOP OF CHAMBER 401.00 c.�
B W INSPECTION & MAINTENANCE F �,
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THIS CROSS SECTION DETAIL REPRESENTS ® STEP 1) INSPECT ISOLATOR ROW PLUS FOR SEDIMENT a $
EXCAVATION WALL 1`1111,
rill�l7„ ii� '� 60" 0 A. INSPECTION PORTS (IF PRESENT) p
+I [ MINIMUM REQUIREMENTS FOR INSTALLATION. t ~ J
(CAN BE SLOPED OR VERTICAL) ! ' 1 I i 1 - (1524 mm) O7 ' A. 1. REMOVE/OPEN LID ON NYLOPLAS I INLINE DRAIN ® 0
f PLEASE SEE THE LAYOUT SHEET(S) FOR y PROJECT SPECIFIC REQUIREMENTS. a ° A.2. REMOVE AND CLEAN FLEX STORM FILTER IF INSTALLED N 3333
1 x A.3. USING A FLASHLIGHT AND STADIA ROD, MEASURE DEPTH OF SEDIMENT AND RECORD ON MAINTENANCE LOG 3
TOP of GRAVEL 3e6.00 _ AA LOWER A CAMERA INTO ISOLATOR ROW PLUS FOR VISUAL INSPECTION OF SEDIMENT LEVELS (OPTIONAL) R 3 t
—.� w
A F CHAMBER 39525 E CO 0 4 A.5. IF SEDIMENT IS AT, OR ABOVE, 3" (80 MM) PROCEED TO STEP 2. IF NOT, PROCEED TO STEP 3. a z
9" (230 mm) MIN L N 19 B. ALL ISOLATOR PLUS ROWS O $
(SEE NOTE 3) O 0 B.1. REMOVE COVER FROM STRUCTURE AT UPSTREAM END OF ISOLATOR ROW PLUS ry
12" (300 mm) MIN - - y, }� M 00 B.2. USING A FLASHLIGHT, INSPECT DOWN THE ISOLATOR ROW PLUS THROUGH OUTLET PIPE o
MC-7200 100" (2540 mm) - 12" (300 mm) MIN /A t i) MIRRORS ON POLES OR CAMERAS MAYBE USED TO AVOID CONFINED SPACE ENTRY �1 0
SUBGRADE SOILS (230 mm) MIN N U ° ii) FOLLOW OSHA REGULATIONS FOR CONFINED SPACE ENTRY IF ENTERING MANHOLE i
END CAP (SEE NOTE 3)
® B.3. IF SEDIMENT IS AT, OR ABOVE, 3" (80 mm) PROCEED TO STEP 2. IF NOT, PROCEED TO STEP 3. 82
.15
N m STEP 2) CLEAN OUT ISOLATOR ROW PLUS USING THE JETVAC PROCESS nOis
m m A. A FIXED CULVERT CLEANING NOZZLE WITH REAR FACING SPREAD OF 45" (1.1 m) OR MORE IS PREFERRED m °
Q _ B. APPLY MULTIPLE PASSES OF JETVAC UNTIL BACKFLUSH WATER IS CLEAN
w O C. VACUUM STRUCTURE SUMP AS REQUIRED w O
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NOTES: Q o STEP 3) REPLACE ALL COVERS, GRATES, FILTERS, AND LIDS, RECORD OBSERVATIONS AND ACTIONS.
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1. CHAMBERS SHALL MEET THE REQUIREMENTS OF ASTM F2418, "STANDARD SPECIFICATION FOR POLYPROPYLENE (PP) CORRUGATED WALL STORMWATER COLLECTION CHAMBERS" CHAMBER CLASSIFICATION 6OX101 _ STEP 4) INSPECT AND CLEAN BASINS AND MANHOLES UPSTREAM OF THE STORMTECH SYSTEM.
2. MC-7200 CHAMBERS SHALL BE DESIGNED IN ACCORDANCE WITH ASTM F2787 "STANDARD PRACTICE FOR STRUCTURAL DESIGN OF THERMOPLASTIC CORRUGATED WALL STORMWATER COLLECTION CHAMBERS".
3. THE SITE DESIGN ENGINEER IS RESPONSIBLE FOR ASSESSING THE BEARING RESISTANCE (ALLOWABLE BEARING CAPACITY) OF THE SUBGRADE SOILS AND THE DEPTH OF FOUNDATION STONE WITH CONSIDERATION
FOR THE RANGE OF EXPECTED SOIL MOISTURE CONDITIONS. REFERENCE STORMTECH DESIGN MANUAL FOR BEARING CAPACITY GUIDANCE. NOTES a
4. PERIMETER STONE MUST BE EXTENDED HORIZONTALLY TO THE EXCAVATION WALL FOR BOTH VERTICAL AND SLOPED EXCAVATION WALLS. 1. INSPECT EVERY 6 MONTHS DURING THE FIRST YEAR OF OPERATION. ADJUST THE INSPECTION INTERVAL BASED ON PREVIOUS
5. REQUIREMENTS FOR HANDLING AND INSTALLATION: OBSERVATIONS OF SEDIMENT ACCUMULATION AND HIGH WATER ELEVATIONS.
• TO MAINTAIN THE WIDTH OF CHAMBERS DURING SHIPPING AND HANDLING, CHAMBERS SHALL HAVE INTEGRAL, INTERLOCKING STACKING LUGS. $ 2. CONDUCT JETTING AND VACTORING ANNUALLY OR WHEN INSPECTION SHOWS THAT MAINTENANCE IS NECESSARY. �$
• TO ENSURE A SECURE JOINT DURING INSTALLATION AND BACKFILL, THE HEIGHT OF THE CHAMBER JOINT SHALL NOT BE LESS THAN 3".
• TO ENSURE THE INTEGRITY OF THE ARCH SHAPE DURING INSTALLATION, a) THE ARCH STIFFNESS CONSTANT AS DEFINED IN SECTION 6.2.8 OF ASTM F2418 SHALL BE GREATER THAN OR EQUAL TO 500 LBS/FT!%.
AND b) TO RESIST CHAMBER DEFORMATION DURING INSTALLATION AT ELEVATED TEMPERATURES (ABOVE 73° F/ 23' C), CHAMBERS SHALL BE PRODUCED FROM REFLECTIVE GOLD OR YELLOW COLORS. SHEET SHEET
4 OF 7 5 OF 7
NTS NTS
StormTech Cross Section StormTech Isolator Row
INSERTA TEE DETAIL MC-7200 TECHNICAL SPECIFICATION L
NTS NTS w QJ
DO NOT INSTALL CREST C> Z V
INSERTA-TEE AT VALLEY d
CHAMBER JOINTS 1 i STIFFENING RIB WEB o Q Y$ w
LOWER JOINT UPPER JOINT w ?y QQ w
A-- CORRUGATION CORRUGATION
6 J Z a' U £
EX CURB
CONVEYANCE PIPE 79.t" O u�91
MATERIAL MAY VARY 83.4" CREST v Z 9 5
(20tA LE c� W
(2120mm) STIFFENING � � g� KEYSTONE STANDARD BLOCK OR
(PVC, HDPE, ETC.) INSTALLED =
RIB o � _ APPROVED EQUIVALENT (TYP)
,( I M J CD
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N' _ W WCIO
°
B I I V Z O
� 12'
INSERTA TEE A- BUILD ROW IN THIS DIRECTION FOOT o a z
CONNECTION y
INSERTA TEE TO BE S2 1 u
INSTALLED, CENTERED �
N OVER CORRUGATION y -
SECTION A -A SIDEVIEW a n� NORTH -SOUTH
PLACE ADSPLUS WOVEN GEOTEXTILE / \ w Lu
(CENTERED ON INSERTA-TEE INLET) OVER 60.0" 32.8" < a
61.0"
(1524 mm) (833 mm)
BEDDING STONE FOR SCOUR PROTECTION AT MAX DIAMETER OF HEIGHT FROM BASE (1549 mm) INSTALLED pp�
SIDE INLET CONNECTIONS. GEOTEXTILE MUST C INSERTA TEE OF CHAMBER (X) c gNit
EXTEND 6" (150 mm) PAST CHAMBER FOOT - o
SC-310 6" (150 mm) 4" (100 mm)
SC-740 10" (250 mm) 4" (100 mm) Jgg
1 I H iD
SC-800 10" (250 mm) 4" (100 mm) o
NOTES:
DC-780 10" (250 mm) 4" (100 mm) — 1 oo.(r' (25ao mm) — _ 90.0" (2286 mm> _ ° SOLID WHITE SYMBOL,
• PART NUMBERS WILL VARY BASED ON INLET PIPE MC-3500 12" (300 mm) 6" (150 mm) 6" HEIGHT (TYP) w
MATERIALS. CONTACT STORMTECH FOR MORE NOMINAL CHAMBER SPECIFICATIONS �W =
MC-4500 12" (300 mm) 8" (200 mm) SIZE (W X H X INSTALLED LENGTH) 100.0" X 60.0" X 79.1" (2540 mm X 1524 mm X 2010 mm) ; �~
INFORMATION. CHAMBER STORAGE 175.9 CUBIC FEET (4.98 m') ° Z
• CONTACT ADS ENGINEERING SERVICES IF INSERTA TEE MC-7200 12" (300 mm) 8" (200 mm) MINIMUM INSTALLED STORAGE' 267.3 CUBIC FEET (7.56 m') —
INLET MUST BE RAISED AS NOT ALL INVERTS ARE INSERTA TEE FITTINGS AVAILABLE FOR SDR 26, SDR 35, SCH 40 IPS a
o °
POSSIBLE. GASKETED &SOLVENT WELD, N-12, HP STORM, C-900 OR DUCTILE IRON WEIGHT (NOMINAL) 205 Ibs. (92.9 kg) oO c-I
NOMINAL END CAP SPECIFICATIONS _ 38.0" c I W � ff 61
(965 mm)
MC -SERIES END CAP INSERTION DETAIL SIZE (W X H X INSTALLED LENGTH) 90.0" X 61.0" X 32.8" (2286 mm X 1549 mm X 833 mm) .6 U
NTS END CAP STORAGE 39.5 CUBIC FEET (1.12 m') O
MINIMUM INSTALLED STORAGE" 115.3 CUBIC FEET (3.26 m') = 3 z
WEIGHT (NOMINAL) 90 Ibs. (40.8 kg) w
STORMTECH END CAP ti EAST -WEST
-ASSUMES 12" (305 mm) STONE ABOVE, 9" (229 mm) STONE FOUNDATION AND BETWEEN CHAMBERS,
12" (305 mm) STONE PERIMETER IN FRONT OF END CAPS AND 40% STONE POROSITY. of
12" (300 mm) on. a
MIN SEPARATION PARTIAL CUT HOLES AT BOTTOM OF END CAP FOR PART NUMBERS ENDING WITH "B"
PARTIAL CUT HOLES AT TOP OF END CAP FOR PART NUMBERS ENDING WITH 'T' N
12" (300 mm) MIN INSERTION - END CAPS VITH A PREFABRICATED WELDED STUB END WITH "W' 1 r >
PART # STUB B C B E 8-7/$11 MATCH EX GRADE
MC72001EPP06T 6" ( 150 mm)
42.54" (1081 mm) - L
MANIFOLD STUB / MC72001EPP06B - 0.86" (22 mm) 1 o 40 INCHES
' MC72001EPP08T 40.50" (1029 mm) I/� L m
g" (200 mm)
MANIFOLD HEADER -" i MC72001EPP08B -- 1 01" (26 mm) N O o
MC72001EPPIOT 10" (250 mm) 38.3T' (975 mm) -
/ MC72001EPP10B -- 1.33" (34 mm) J N
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MC72001EPP12T 35.69" (907 mm) __ m o
MC72001EPP12B 12" (300 mm) _ 1.55" (39 mm) C ¢z¢ g
MC72001EPP15T 32.72" (831 mm) -- I LU 0
h 15" (375 mm) - 1 i g
MANIFOLD HEADER MC72001EPP15B 1.70" (43 mm)
!j MC7200IEPP18T o ¢ w NTS
MANIFOLD STUB 29.36 (746 mm) - CUSTOM PREFABRICATED INVERTS $
MC72001EPP18TW
}l' MC72001EPP18B 18 (450mm) ARE AVAILABLE UPON REQUEST. �_ ° Block Wall
MC72001EPP186W -- 1.97" (50 mm) INVENTORIED MANIFOLDS INCLUDE
- 12-24" (300-600 mm) SIZE ON SIZE
MC72001EPP24T 23.05" (585 mm) AND 15-48" (375-1200 mm)
44
12" (300 mm)
MC72001EPP24TW "(600mm) - ECCENTRIC MANIFOLDS. CUSTOM IN COMPLIANCE WITH CITY OF RENTON STANDARDS
_ 12" (300 mm) MC72001EPP248 INVERT LOCATIONS ON THE MC-7200 C e
MIN SEPARATION MIN INSERTION _ 2.26" (57 mm) END CAP CUT IN THE FIELD ARE NOT
MC72001E PP24 BW g NOTES
MC72001EPP30BW 30" (750 mm) -- 2.95" (75 mm) RECOMMENDED FOR PIPE SIZES
GREATER THAN IO"(250mm).THE 0 1. SHARED LANE MARKING IN ACCORDANCE WITH 0:1
MC72001EPP36BW 36"(900mm) - 3.25"(83mm) INVERT LOCATION INCOLUMN'B' �a MUTCD SECTION 9C.07.DEVELOPMENT ENGINEERING
NOTE: MANIFOLD STUB MUST BE LAID HORIZONTAL MC72001EPP42BW 42" (1050 mm) - 3.55" (90 mm) ARE THE HIGHEST POSSIBLE FOR
FOR A PROPER FIT IN END CAP OPENING. THE PIPE SIZE. SHEET
NOTE: ALL DIMENSIONS ARE NOMINAL 6 OF 7 H B ray 06/24/2025
2. PAVEMENT MARKINGS SHALL ADHERE TO RENTON
STANDARD PLAN 109
NTS NTS
A• JAB StormTech Connection Details Bicycle Sharrow
OF V1AS� SURVEYED: SCALE:
DATE:
CIVIL CONSTRUCTION PERMIT CW /21/25 AJ VERTICAL: NAM 1988
HORIZONTAL: • . LINDBERGH HIGH SCHOOL 02-21-25
CIVIL CONSTRUCTION PERMIT RESUBMITTAL CW /14/25 AJ NAD 1983/1991 CITY OF
\\\ DESIGNED: FIELDBOOK:
CIVIL CONSTRUCTION PERMIT RESUBMITTAL ACW /06/25 JAJ Acw DRAWN: RENTON FIELD IMPROVEMENTS PAGE:
W� DJD/AJJ ONE INCH DRAWING NO:
R 43667 CHECKED:
DATUM
JACOBSONIF NOT ONE s��O1IA,tr- �I. JAJ SCALE ACCORDINGLY CAIE Planning/Building/Public Works Dept. GRADING & STORM DRAINAGE DETAILS C213
CH
C 0 N S U L T I N G E N G I N E E R S NO. REVISION BY DATE APPR APPROVED: SHEET: OF:
JAJ 1 14 OF 4
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R-434414