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DEVELOPMENT ENGINEERING Q
TALBOT HILL ELEMENTARY SCHOOL Ito
A PORTION OF THE NE 1/4 OF THE NE 1/4 OF SEC. 30, TWNm 23 N.,LO
RGEm 05 E. W.M. CITY OF RENTON, KING COUNTY, WASHINGTON. �
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Advanced Drainage Systems, Inc.
MC-7200 STORMTECH CHAMBER SPECIFICATIONS
1. CHAMBERS SHALL BE STORMTECH MC-7200.
CHAMBERS SHALL BE ARCH -SHAPED AND SHALL BE MANUFACTURED FROM VIRGIN, IMPACT -MODIFIED
POLYPROPYLENE COPOLYMERS.
3, CHAMBERS SHALL MEET THE REQUIREMENTS OF ASTM F2418.16a,'STANDARD SPECIFICATION FOR
POLYPROPYLENE (PP) CORRUGATED WALL STORMWATER COLLECTION CHAMBERS -CHAMBER
CLASSIFICATION 60001.
4. CHAMBER ROWS SHALL PROVIDE CONTINUOUS, UNOBSTRUCTED INTERNAL SPACE WITH NO INTERNAL
SUPPORTS THAT WOULD IMPEDE FLOW OR LIMIT ACCESS FOR INSPECTION.
5. THE STRUCTURAL DESIGN OF THE CHAMBERS, THE STRUCTURAL BACKFILL, AND THE INSTALLATION
REQUIREMENTS SHALL ENSURE THAT THE LOAD FACTORS SPECIFIED IN THE AASHTO LRFD BRIDGE
DESIGN SPECIFICATIONS, SECTION 12.12, ARE MET FOR: 1) LONG -DURATION DEAD LOADS AND 2)
SHCRT-DURATION LIVE LOADS. BASED ON THE AASHTO DESIGN TRACK WITH CONSIDERATION FOR IMPACT
AND MULTIPLE VEHICLE PRESENCES.
6. CHAMBERS SHALL BE DESIGNED, TESTED AND ALLOWABLE LOAD CONFIGURATIONS DETERMINED IN
ACCORDANCE WITH ASTM F2787, *STANDARD PRACTICE FOR STRUCTURAL DESIGN OF THERMOPLASTIC
CORRUGATED WALL STORMWATER COLLECTION CHAMBERS'. LOAD CONFIGURATIONS SHALL INCLUDE: 1)
INSTANTANEOUS (0 MIN) AASHTO DESIGN TRUCK LIVE LOAD ON MINIMUM COVER 2) MAXIMUM PERMANENT
(75-YR) COVER LOAD AND 3) ALLOWABLE COVER WITH PARKED (1-WEEK) AASHTO DESIGN TRUCK.
7. REQUIREMENTS FOR HANDLING AND INSTALLATION:
• TO MAINTAIN THE WIDTH OF CHAMBERS DURING SHIPPING AND HANDLING, CHAMBERS SHALL HAVE
INTEGRAL, INTERLOCKING STACKING LUGS.
• TO ENSURE A SECURE JOINT DURING INSTALLATION AND BACKFILL, THE HEIGHT OF THE CHAMBER
JOINT SHALL NOT BE LESS THAN 3.
• TO ENSURE THE it
OF THE ARCH SHAPE DURING INSTALLATION, a) THE ARCH STIFFNESS
CONSTANT SHALL BE GREATER THAN OR EQUAL TO 450 LBS4 WIN. THE ABC IS DEFINED IN SECTION
6.2.8 OF ASTM F24IS AND b) TO RESIST CHAMBER DEFORMATION DURING INSTALLATION AT ELEVATED
TEMPERATURES (ABOVE 73' F 123' C), CHAMBERS SHALL BE PRODUCED FROM REFLECTIVE GOLD OR
YELLOW COLORS.
8. ONLY CHAMBERS THAT ARE APPROVED BY THE SITE DESIGN ENGINEER WILL BE ALLOWED. UPON
REQUEST BY THE SITE DESIGN ENGINEER OR OWNER, THE CHAMBER MANUFACTURER SHALL SUBMIT A
STRUCTURAL EVALUATION FOR APPROVAL BEFORE DELIVERING CHAMBERS TO THE PROJECT SITE AS
FOLLOWS:
• THE STRUCTURAL EVALUATION SHALL BE SEALED BY A REGISTERED PROFESSIONAL ENGINEER.
• THE STRUCTURAL EVALUATION SHALL DEMONSTRATE THAT THE SAFETY FACTORS ARE GREATER
THAN OR EQUAL TO 1.95 FOR DEAD LOAD AND 1.75 FOR LIVE LOAD, THE MINIMUM REQUIRED BY ASTM
F2787 AND BY SECTIONS 3 AND 12.12 OF THE AASHTO LRFD BRIDGE DESIGN SPECIFICATIONS FOR
THERMOPLASTIC PIPE.
• THE TEST DERIVED CREEP MODULUS AS SPECIFIED IN ASTM F2418 SHALL BE USED FOR PERMANENT
DEAD LOAD DESIGN EXCEPT THAT IT SHALL BE THE 75-YEAR MODULUS USED FOR DESIGN.
9. CHAMBERS AND END CAPS SHALL BE PRODUCED AT AN ISO 9001 CERTIFIED MANUFACTURING FACILITY.
COVER PIPE CONNECTION TO END CAP WITH ADS
GEOSYNTHETICS 601T NON -WOVEN GEOTEXTILE
STORMTECH HIGHLY RECOMMENDS 1 -
FLEXSTORM INSERTS IN ANY UPSTREAM
STRUCTURES WITH OPEN GRATES ,1
ELEVATED BYPASS MANIFOLD
SiteASSIST' ar
FOR STORMTECH
INSTRUCTIONS,
DOWNLOAD THE a
INSTALLATION APP
o.
IMPORTANT - NOTES FOR THE BIDDING AND INSTALLATION OF MC-7200
CHAMBER SYSTEM
1, STORMTECH MC-7200 CHAMBERS SHALL NOT BE INSTALLED UNTIL THE MANUFACTURER'S
REPRESENTATIVE HAS COMPLETED A PRE -CONSTRUCTION MEETING WITH THE INSTALLERS.
2. STORMTECH MC-7200 CHAMBERS SHALL BE INSTALLED IN ACCORDANCE WITH THE "STORMTECH MC-7200
CONSTRUCTION GUIDE".
3. CHAMBERS ARE NOT TO BE BACKFILLED WITH A DOZER OR EXCAVATOR SITUATED OVER THE CHAMBERS.
STORMTECH RECOMMENDS 3 BACKFILL METHODS:
STONESHOOTER LOCATED OFF THE CHAMBER BED.
BACKFILL AS ROWS ARE BUILT USING AN EXCAVATOR ON THE FOUNDATION STONE OR SUBGRADE.
• BACKFILL FROM OUTSIDE THE EXCAVATION USING A LONG BOOM HOE OR EXCAVATOR.
4. THE FOUNDATION STONE SHALL BE LEVELED AND COMPACTED PRIOR TO PLACING CHAMBERS,
5. JOINTS BETWEEN CHAMBERS SHALL BE PROPERLY SEATED PRIOR TO PLACING STONE.
6. MAINTAIN MINIMUM -9'(230 mm) SPACING BETWEEN THE CHAMBER ROWS.
7, INLET AND OUTLET MANIFOLDS MUST BE INSERTED A MINIMUM OF 12` (300 mm) INTO CHAMBER END CAPS.
8, EMBEDMENT STONE SURROUNDING CHAMBERS MUST BE A CLEAN, CRUSHED, ANGULAR STONE MEETING
THE AASHTO M43 DESIGNATION OF #3 OR #4.
9. STONE SHALL BE BROUGHT UP EVENLY AROUND CHAMBERS SO AS NOT TO DISTORT THE CHAMBER
SHAPE. STONE DEPTHS SHOULD NEVER DIFFER BY MORE THAN 12" (3DO mm) BETWEEN ADJACENT
CHAMBER ROWS.
10. STONE MUST BE PLACED ON THE TOP CENTER OF THE CHAMBER TO ANCHOR THE CHAMBERS IN PLACE
AND PRESERVE ROW SPACING.
11. THE CONTRACTOR MUST REPORT ANY DISCREPANCIES WITH CHAMBER FOUNDATION MATERIAL BEARING
CAPACITIES TO THE SITE DESIGN ENGINEER.
12. ADS RECOMMENDS THE USE OF "FLEXSTORM CATCH IT" INSERTS DURING CONSTRUCTION FOR ALL INLETS
TO PROTECT THE SUBSURFACE STORMWATER MANAGEMENT SYSTEM FROM CONSTRUCTION SITE
RUNOFF.
NOTES FOR CONSTRUCTION EQUIPMENT
1. STORMTECH MC-7200 CHAMBERS SHALL BE INSTALLED IN ACCORDANCE WITH THE'STORMTECH MC-7200
CONSTRUCTION GUIDE'.
2. THE USE OF EQUIPMENT OVER MC-720D CHAMBERS IS LIMITED:
NO EQUIPMENT IS ALLOWED ON BARE CHAMBERS.
• NO RUBBER TIRED LOADER, DUMP TRUCK. OR EXCAVATORS ARE ALLOWED UNTIL PROPER FILL
DEPTHS ARE REACHED IN ACCORDANCE WITH THE "STORMTECH MC-7200 CONSTRUCTION GUIDE'.
• WEIGHT LIMITS FOR CONSTRUCTION EQUIPMENT CAN BE FOUND IN THE'STORMTECH MC-7200
CONSTRUCTION GUIDE",
3. FULL 36" (900 mm) OF STABILIZED COVER MATERIALS OVER THE CHAMBERS IS REQUIRED FOR DUMP
TRUCK TRAVEL OR DUMPING.
USE OF A DOZER TO PUSH EMBEDMENT STONE BETWEEN THE ROWS OF CHAMBERS MAY CAUSE DAMAGE TO
CHAMBERS AND IS NOT AN ACCEPTABLE BACKFILL METHOD. ANY CHAMBERS DAMAGED BY USING THE "DUMP
AND PUSH" METHOD ARE NOT COVERED UNDER THE STORMTECH STANDARD WARRANTY.
CONTACT STORMTECH AT 1-888-892-2694 WITH ANY QUESTIONS ON INSTALLATION REQUIREMENTS OR WEIGHT
LIMITS FOR CONSTRUCTION EQUIPMENT.
INSTALL FLAMP ON 24' (600 mm) ACCESS PIPE
PART #: MCFLAMP
r MC-7200 CHAMBER
OPTIONAL INSPECTION PORT
MC-7200 END CAP
------- ---- ---
SUMP DEPTH TED BY CATCH BASIN
SITE DESIGN ENGINEER OR MANHOLE
(24' (600 mm) MIN RECOMMENDED)
24' (600 mm) HOPE ACCESS PIPE REQUIRED ONE LAYER OF ADSPLILS125 WOVEN GEOTEXTILE BETWEEN
USE FACTORY PARTIAL CUT END CAP PART #: FOUNDATION STONE AND CHAMBERS
I I
248 OR MC72001EPP248W 10.3' (3.1 m MIN WIDE CONTINUOUS FABRIC WITHOUT SEAMS
MC72001EPP)
3
MC-7200 ISOLATOR ROW PLUS DETAIL
12" (300 mm) MIN WIDTH -
I_ NYLOPLAST 8" LOCKING SOLID
COVER AND FRAME
8' (200 mm) MIN THICKNESS OF ASPHALT
CONCRETE COLLAR! ASPHALT OVERRAN
OVERLAY AND CONCRETE COLLAR
- NOT REQUIRED FOR GREENSPACE OR
INSPECTION & MAINTENANCE
NON -TRAFFIC APPLICATIONS
STEP 1) INSPECT ISOLATOR ROW PLUS FOR SEDIMENT
_
A. INSPECTION PORTS (IF PRESENT)
_
-
Al. REMOVE/OPEN LID ON NYLOPLAST INLINE DRAIN
_
8" NYLOPLAST UNIVERSAL DRAIN BODY
A,2. REMOVE AND CLEAN FLEXSTORM FILTER IF INSTALLED
(PART# 2708AG41PKIT) OR TRAFFIC RATED
A.3. USING A FLASHLIGHT AND STADIA ROD, MEASURE DEPTH OF SEDIMENT AND RECORD ON MAINTENANCE LOG
ASPHALT OVERLAY FOR J
BOX W7SOLID LOCKING COVER
A.4. LOWER A CAMERA INTO ISOLATOR ROW PLUS FOR VISUAL INSPECTION OF SEDIMENT LEVELS (OPTIONAL)
TRAFFIC APPLICATIONS
A.S. IF SEDIMENT IS AT, OR ABOVE, 3' (80 mm) PROCEED TO STEP 2. IF NOT. PROCEED TO STEP 3.
4" 1100 mm) SDR 35 PIPE
B. ALL ISOLATOR PLUS ROWS
CONCRETE COLLAR J
-, _
_
8.1. REMOVE COVER FROM STRUCTURE AT UPSTREAM END OF ISOLATOR ROW PLUS
0.2. USING A FLASHLIGHT. INSPECT DOWN THE ISOLATOR ROW PLUS THROUGH OUTLET PIPE
STORMTECH CHAMBER
1) MIRRORS ON POLES OR CAMERAS MAYBE USED TO AVOID A CONFINED SPACE ENTRY
;1) FOLLOW OSHA REGULATIONS FOR CONFINED SPACE ENTRY IF ENTERING MANHOLE
4' (100 mm) INSERTA TEE
B.3. IF SEDIMENT IS AT, OR ABOVE, 3" (80 ..)PROCEED TO STEP 2. IF NOT, PROCEED TO STEP 3.
TO BE CENTERED ON CORRUGATION VALLEY
STEP 2) CLEAN OUT ISOLATOR ROW PLUS USING THE JETVAC PROCESS
A. A FIXED CULVERT CLEANING NOZZLE WITH REAR FACING SPREAD OF 45' (1.1 m) OR MORE IS PREFERRED
B. APPLY MULTIPLE PASSES OF JENAC UNTIL BACKFLUSH WATER IS CLEAN
C. VACUUM STRUCTURE SUMP AS REQUIRED
STEP 3) REPLACE ALL COVERS, GRATES, FILTERS, AND LIDS; RECORD OBSERVATIONS AND ACTIONS -
STEP 4) INSPECT AND CLEAN BASINS AND MANHOLES UPSTREAM OF THE STORMTECH SYSTEM.
NOTE:
INSPECTION PORTS MAY BE CONNECTED THROUGH ANY CHAMBER CORRUGATION VALLEY. NOTES
1. INSPECT EVERY 6 MONTHS DURING THE FIRST YEAR OF OPERATION. ADJUST THE INSPECTION INTERVAL BASED ON PREVIOUS
OBSERVATIONS OF SEDIMENT ACCUMULATION AND HIGH WATER ELEVATIONS.
2. CONDUCT JETTING AND VACTORING ANNUALLY OR WHEN INSPECTION SHOWS THAT MAINTENANCE IS NECESSARY.
4 4" PVC INSPECTION PORT DETAIL (MC SERIES CHAMBER)
STORMTECH
STORMTECH
CHAMBER
OUTLET MANIFOLD
FOUNDATION STONE
BENEATH CHAMBERS
ADS GEOSYNTHETICS 801T J
NON -WOVEN GEOTEXTILE JJ SECTION A -A DUAL WALL
PERFORATED
HDPE
STORMTECH -- UNDERDRAIN
END CAP r' -
FOUNDATION STONE
A BENEATH CHAMBERS
T
ADS GEOSYNTHETICS 601T
A NON -WOVEN GEOTEXTILE
NUMBER AND SIZE OF UNDERDRAINS PER SITE DESIGN ENGINEER
4(100 mm) TYP FOR SC-310 & SC-160LP SYSTEMS SECTION B-B
6' (150 mm) TYP FOR SC-740, SC-800, DC-780, MC-3500, MCI500 & MC-7200 SYSTEMS
5 UNDERDRAIN DETAIL
T STORMTECH END CAP
12' (300 mm) MIN INSERTION
MANIFOLD STUB
MANIFOLD HEADER
2 300 mm
MIN SEPARATION
12' (300 mm)
MIN SEPARATION
VALLEY CREST
STIFFENING RIB WEB (,jl
LOWER JOINTRUGATION CORRUU PER GATION
Q p
CORRUGATION CORRUGATION W
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(2010 m) 834" CREST
INSTALLED (2120 mm) STIFFENING N - W
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FOOT LU 30 K
a BUILD ROW IN THIS DIRECTION O a LU
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60.0" 32.8' G Z UO-1
(1524 (833-) mm) 61.0 J Ow
(1549mm) INSTALLED W
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100.0" (2540 mml 9DAr (2286 mm) > I jJ > W,
F
NOMINAL CHAMBER SPECIFICATIONS QUJ
�W
SIZE (W X H X INSTALLED LENGTH) 100.0`X60,0-X79.1` (2540 mm X 1524 mm X 2010 mm) Q ,r WZ
CHAMBER STORAGE 175.9 CUBIC FEET (4.98 m') L"� -� W
MINIMUM INSTALLED STORAGE- 267.3 CUBIC FEET (7.66 m') a
WEIGHT (NOMINAL) 2051bs. (92.9 kg) 7
DU
NOMINAL END CAP SPECIFICATIONS 38.0" Z 00
SIZE (W X H X INSTALLED LENGTH) 90.0" X 61.0" X 32.8' (2286 mm X 1549 mm X 833 mm) (965 mml I-" O W
END CAP STORAGE 315 CUBIC FEET (1.12 m') Q =
MINIMUM INSTALLED STORAGE' 115.3 CUBIC FEET (3.26 m') K
WEIGHT JNOMINAL) 901bs. (40.8 kg) Z
'ASSUMES 12" (305 mm) STONE ABOVE, 9- (229 mm) STONE FOUNDATION AND BETWEEN CHAMBERS, Z W
12' (305 mm) STONE PERIMETER IN FRONT OF END CAPS AND 40% STONE POROSITY. w IA
PARTIAL CUT HOLES AT BOTTOM OF END CAP FOR PART NUMBERS ENDING WITH'8' ~ Z
PARTIAL CUTPpp_FpjrATpn S ENDING WITH HOLES AT TOP OF END CAP FOR PART NUMBERQ
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K F
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CUSTOM PREFABRICATED INVERTS ¢ F aL.
ARE AVAILABLE UPON REQUEST. = W
INVENTORIED MANIFOLDS INCLUDE O W K IS =
12-24- (300-600 mm) SIZE ON SIZE O W
AND 15-a' (375-1200 mm) O 0 Z EC�= W O
CENTRIC MANIFOLDS. CUSTOM LL
N
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ON THE MC -NOT A Q W 3 J
END CAP CUT IN THE FIELD ARE NOT 1 N
RECOMMENDED FOR PIPE SIZES I li K Q
GREATER THAN 10" (250 mm). THE U EL w a
INVERT LOCATION IN COLUMN'S' N C W
ARE THE HIGHEST POSSIBLE FOR H:J U
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6 MC -SERIES END CAP INSERTION DETAIL 12 MC-7200 TECHNICAL SPECIFICATIONS W W
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ACCEPTABLE FILL MATERIALS: STORMTECH MC-7200 CHAMBER SYSTEMS WFn Wp'O
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NOTE: MANIFOLD STUB MUST BE LAID HORIZONTAL
FOR A PROPER FIT IN END CAP OPENING.
MANIFOLD HEADER
MANIFOLD STUB
PART #
STUB
B
C
MC72001EPP06T
6-(150
42.54'(1081 -)
-
-MC72001EP
0,86'422 -)
MC72001EPP08
g(200 mm)
- (1029
-
1.01' (26 mm)
MC72001EPP088
MC72001EPPIOT
10' (250 mm)
38.37' (975 mm)
-
-
1.33' (34 mm)
MC72001EPP10B
MC72001EPP12T
12' (300 mm)
35.69' (907 mm)
-
-
1.55' (39 mm)
MC72001EPP728
MC72001EPP15T
15' (375 mm)
32.72' (831 mm)
-
-
1.70-(43 mml
MC72001EPP756
MC72001EPP787
29.36`(746 mm)
-
MC72001EPP78TW
18"(450 mm)
MC72001EPP788
-
1.97' (50 mm)
MC72001EPPI88W
MC72001EPP24T
23.05' S85 mm ( 1
-
MC72001EPP24TW
24'(B00 mm)
MC72001EPP248
-
226' (57 mm)
MC72001EPP2/BW
MC72001EPP306W
30'(750 mm)
-
2.95`(75 mm)
MC72001EPP36OW
36" (900 mm)
-
3,25` (83 mm)
MC7200IEPP426W
42y7050 mm)
3.55' (90 mm)
AASHTO MATERIAL
MATERIAL LOCATION
DESCRIPTION
COMPACTION / DENSITY REQUIREMENT
CLASSIFICATIONS
FINAL FILL: FILL MATERIAL FOR LAYER D' STARTS FROM THE
PREPARE PER SITE DESIGN ENGINEER'S PLANS. PAVED
D
TOP OF THE'C' LAVER TO THE BOTTOM OF FLEXIBLE
ANY SOILIROCK MATERIALS, NATIVE SOILS, OR PER ENGINEER'S PLANS.
NIA
INSTALLATIONS MAY HAVE STRINGENT MATERIAL AND
PAVEMENT OR UNPAVED FINISHED GRADE ABOVE. NOTE THAT
CHECK PLANS FOR PAVEMENT SUBGRADE REQUIREMENTS.
PREPARATION REQUIREMENTS.
PAVEMENT SUBBASE MAY BE PART OF THE D' LAYER
AASHTO M145'
INITIAL FILL: FILL MATERIAL FOR LAYER'C STARTS FROM THE
GRANULAR WELL -GRADED SOILIAGGREGATE MIXTURES, -35% FINES OR
A-1, A-2-4, A-3
BEGIN COMPACTIONS AFTER 24" (600 mm) OF MATERIAL OVER
TOP OF THE EMBEDMENT STONE ('B' LAVER) TO 24'(600 mm)
PROCESSED AGGREGATE.
THE CHAMBERS IS REACHED. COMPACT ADDITIONAL LAYERS IN
C
HE
THE CHAMBER NOTE THAT PAVEMENT
ABOVE THE TOP OF THE CHA
OR
l2' (300 mm) MAX LIFTS TO A MIN. 95% PROCTOR DENSITY FOR
SUBBASE MAY BE A THE RG' LAYER
MOST PAVEMENT SUBBASE MATERIALS CAN BE USED IN LIEU OF THIS
LAVER,
AASHTO M43'
WELL GRADED MATERIAL AND 95% RELATIVE DENSITY FOR
PROCESSED AGGREGATE MATERIALS,
3, 357, 4, 467, 5, 56, 57, 6, 67, 68, 7, 78, 8, 89, 9. 10
EMBEDMENT STONE: FILL SURROUNDING THE CHAMBERS
AASHTO M43'
8
FROM THE FOUNDATION STONE ('A' LAVER) TO THE C.LAVER
CLEAN. CRUSHED, ANGULAR STONE OR RECYCLED CONCRETE'
NO COMPACTION REQUIRED.
ABOVE.
3. 357.4.A67, 5, 56, 57
A
FOUNDATION STONE: FILL BELOW CHAMBERS FROM THE
CLEAN. CRUSHED, ANGULAR STONE OR RECYCLED CONCRETE°
AASHTO M43'
PLATE COMPACTOR ROLL TO ACHIEVE A FLAT SURFACE."
SUBGRADE UP TO THE FOOT (BOTTOM) OF THE CHAMBER.
3, 357, 4, 467, 5, 56, 57
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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 A'4 STONE WOULD STATE "CLEAN, CRUSHED, ANGULAR NO.4 (AASHTO M43) STONE".
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2. STORMTECH COMPACTION REQUIREMENTS ARE MET FORA' LOCATION MATERIALS WHEN PLACED AND COMPACTED IN 91 (230 mm) (MAX) LIFTS USING TWO FULL COVERAGES WITH A VIBRATORY COMPACTOR.
•O
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
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COMPACTION REQUIREMENTS.
= p
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/. ONCE LAVER'C IS PLACED, ANV SOILIMATERIAL CAN BE PLACED IN LAYER'D' UP TO THE FINISHED GRADE. MOST PAVEMENT SUBBASE SOILS CAN SE USED TO REPLACE THE MATERIAL REQUIREMENTS OF LAYER'C' OR'D' AT THE SITE DESIGN ENGINEER'S DISCRETION.
"RECYCLED
Q W Q
5. WHERE RECYCLED CONCRETE AGGREGATE IS USED IN LAYERS'N OR'B' THE MATERIAL SHOULD ALSO MEET THE ACCEPTABILITY CRITERIA OUTLINED IN TECHNICAL NOTE 6.20 CONCRETE STRUCTURAL BACKFILL'.
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ADS GEOSYNTHETICS60ITNON-WOVEN GEOTEXTILE ALL AROUND
CLEAN, CRUSHED, ANGULAR STONE IN A 8 B LAVERS PAVEMENT LAYER (DESIGNED
$
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PERIMETER STONE
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(SEE NOTE 4)
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(600 mm) MIN* MAX
12"(300)MIN
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EXCAVATION WALL
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80- CROSS SECTION DETAIL REPRESENTS
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(CAN BE SLOPED OR VERTICAL) _
(1524 mm) MINIMUM REQUIREMENTS FOR INSTALLATION,
PLEASE SEE THE LAYOUT SHEET(S) FOR
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PROJECT SPECIFIC REQUIREMENTS.
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DEPTH OF STONE TO BE DETERMINED
BY SITE DESIGN ENGINEER 9' (230 mm) MIN
= Iq
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12" (300 mm) MINGILL�JI
MC-7200 SOILS (230 mm) MIN
100' (2540 mm7
12" (300 mm) MIN
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END CAP (SEE NOTE 3)
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NOTES:
1. CHAMBERS SHALL MEET THE REQUIREMENTS OF ASTM F2418, -STANDARD SPECIFICATION FOR POLYPROPYLENE (PP) CORRUGATED WALL STORMWATER COLLECTION CHAMBERS" CHAMBER CLASSIFICATION 60:101
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.
4. PERIMETER STONE MUST BE EXTENDED HORIZONTALLY TO THE EXCAVATION WALL FOR BOTH VERTICAL AND SLOPED EXCAVATION WALLS.
5. REQUIREMENTS FOR HANDLING AND INSTALLATION:
• TO MAINTAIN THE WIDTH OF CHAMBERS DURING SHIPPING AND HANDLING CHAMBERS SHALL HAVE INTEGRAL INTERLOCKING STACKING LUGS.
• 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 LBSIFTI%.
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.
1
MC-7200 CROSS SECTION DETAIL
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ADS STORMTECH MC-7200 STORMWATER DRAINAGE DETENTION FACILITY NOTES & DETAILS
NOT TO SCALE
0
0
Know what's below.
Call before you dig.
NYLOPLAST DRAIN BASIN
NTS
INTEGRATED DUCTILE IRON
FRAME & GRATE/SOLID TO
MATCH BASIN O.D.
12" (610 mm) MIN
(FOR AASHTO H-20)
INVERT ACCORDING TO
PLANS/TAKE OFF
VARIOUS TYPES OF INLET AND
OUTLET ADAPTERS AVAILABLE:
4-30" (100-750 mm) FOR
CORRUGATED HDPE
WATERTIGHT JOINT
(CORRUGATED HDPE SHOWN)
NOTES
18" (457 mm)
MIN WIDTH
AASHTO H-20 CONCRETE SLAB
_ 8" (203 mm) MIN THICKNESS
TRAFFIC LOADS: CONCRETE DIMENSIONS
ARE FOR GUIDELINE PUPOSES ONLY.
ACTUAL CONCRETE SLAB MUST BE
DESIGNED GIVING CONSIDERATION FOR
LOCAL SOIL CONDITIONS, TRAFFIC LOADING
& OTHER APPLICABLE DESIGN FACTORS
ADAPTER ANGLES VARIABLE 00- 360'
ACCORDING TO PLANS
_ VARIABLE SUMP DEPTH
ACCORDING TO PLANS
[6" (152 mm) MIN ON 8-24" (200-600 mm),
10" (254 mm) MIN ON 30" (750 mm)]
_ 4" (102 mm) MIN ON 8-24" (200-600 mm)
6" (152 mm) MIN ON 30" (750 mm)
BACKFILL MATERIAL BELOW AND TO SIDES
OF STRUCTURE SHALL BE ASTM D2321
CLASS I OR II CRUSHED STONE OR GRAVEL
AND BE PLACED UNIFORMLY IN 12" (305 mm)
LIFTS AND COMPACTED TO MIN OF 90%
1. 8-30" (200-750 mm) GRATES/SOLID COVERS SHALL BE DUCTILE IRON PER ASTM A536
GRADE 70-50-05
2. 12-30" (300-750 mm) FRAMES SHALL BE DUCTILE IRON PER ASTM A536 GRADE 70-50-05
3. DRAIN BASIN TO BE CUSTOM MANUFACTURED ACCORDING TO PLAN DETAILS
4. DRAINAGE CONNECTION STUB JOINT TIGHTNESS SHALL CONFORM TO ASTM D3212
FOR CORRUGATED HDPE (ADS & HANCOR DUAL WALL) & SDR 35 PVC
5. FOR COMPLETE DESIGN AND PRODUCT INFORMATION: WWW.NYLOPLAST-US.COM
6. TO ORDER CALL: 800-821-6710
A
PART #
GRATE/SOLID COVER OPTIONS
8
PEDESTRIAN LIGHT
STANDARD LIGHT
(200 mm)
2808AG
DUTY
DUTY
SOLID LIGHT DUTY
101,
PEDESTRIAN LIGHT
STANDARD LIGHT
(250 mm)
2810AG
DUTY
DUTY
SOLID LIGHT DUTY
12
PEDESTRIAN
STANDARD AASHTO
SOLID
(300 mm)
2812AG
AASHTO H-10
H-20
AASHTO H-20
15"
PEDESTRIAN
STANDARD AASHTO
SOLID
(375 mm)
2815AG
AASHTO H-10
H-20
AASHTO H-20
18
PEDESTRIAN
STANDARD AASHTO
SOLID
450 mm
2818AG
AASHTO H 10
H-20
AASHTO H-20
24"
PEDESTRIAN
STANDARD AASHTO
SOLID
(600 mm)
2824AG
AASHTO H-10
H-20
AASHTO H-20
30"
2830AG
PEDESTRIAN
STANDARD AASHTO
SOLID
(750 mm)
AASHTO H-20
H-20
AASHTO H-20
NYLOPLAT DRAIN BASIN
NOT TO SCALE
R=430705
TACOMA • SEATTLE • SPOKANE • TRI-CITIES
2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422 TEL 253.383.2572 FV mm.ahbl.com WEB
Project Title:
TALBOT HILL
ELEMENTARY SCHOOL
Client:
RENTON
SCHOOL DISTRICT
ANDREW HOLLENBACK
300 SOUTHWEST 7TH STREET
RENTON, WA 98057
Project No.
2230870.10
Issue Set & Date:
PERMIT SET
JULY 9 2024
7/9/2024
NOTICE
ALTERATION OF THIS DWAIENT SHALL INVMDATE THE
PROFESSIONAL SEAL AND SIGNATURE PUROTI N OF
THIS DON" DOES NOT DEROGATE FROM RESERVED
OMM W RKNTS N IT. THIS DOO.NW IS FOR USE
ONLY FOR THE PROIiCT DENTIRED N THE TIU BLOCK
AND IS NOT TO BE USED FOR REPAIR, REMODEL OR
AWITION TO THAT PROM OR MR ANY OTHER PROJ7.
A
Revisions:
Sheet Title:
STORMWATER
DRAINAGE DETAILS
Designed by: Drawn by: Checked by:
JAD JAD DCN
Sheet No.
C4
05 of 05 Sheets