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PROJECT INFORMATION
ENGINEERED
TIM SNELL
PRODUCT
509-993-0813
MANAGER:
TIM.SNELL@ADS-PIPE.COM
JOE SHEEHY
ADS SALES REP:
253-255-6302
JOE.SHEEHY a(� 4DS-PIPE.COM
PROJECT NO:
062874
LLLLLLPAm:)s
ADVANCED DRAINAGE SYSTEMS, INC.
FIRE TRUCK 15
RENTON - WASHINGTON
STORMTECH CHAMBER SPECIFICATIONS
1. CHAMBERS SHALL BE STORMTECH SC-740 OR SC-310.
2. CHAMBERS SHALL BE MANUFACTURED FROM VIRGIN POLYPROPYLENE OR POLYETHYLENE RESINS.
3. CHAMBER ROWS SHALL PROVIDE CONTINUOUS, UNOBSTRUCTED INTERNAL SPACE WITH NO INTERNAL SUPPORT PANELS THAT
WOULD IMPEDE FLOW OR LIMIT ACCESS FOR INSPECTION.
4. 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) SHORT -DURATION LIVE LOADS, BASED ON THE AASHTO DESIGN TRUCK WITH CONSIDERATION
FOR IMPACT AND MULTIPLE VEHICLE PRESENCES.
5. CHAMBERS SHALL MEET ASTM F2922 (POLYETHYLENE) OR ASTM F2418-16 (POLYPROPYLENE), "STANDARD SPECIFICATION FOR
THERMOPLASTIC CORRUGATED WALL STORMWATER COLLECTION CHAMBERS".
6. CHAMBERS SHALL BE DESIGNED AND ALLOWABLE LOADS DETERMINED IN ACCORDANCE WITH ASTM F2787, "STANDARD PRACTICE
FOR STRUCTURAL DESIGN OF THERMOPLASTIC CORRUGATED WALL STORMWATER COLLECTION CHAMBERS".
7. ONLY CHAMBERS THAT ARE APPROVED BY THE SITE DESIGN ENGINEER WILL BE ALLOWED. THE CHAMBER MANUFACTURER SHALL
SUBMIT THE FOLLOWING UPON REQUEST TO THE SITE DESIGN ENGINEER FOR APPROVAL BEFORE DELIVERING CHAMBERS TO THE
PROJECT SITE:
a. A STRUCTURAL EVALUATION SEALED BY A REGISTERED PROFESSIONAL ENGINEER THAT DEMONSTRATES 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 AASHTO FOR THERMOPLASTIC PIPE.
b. A STRUCTURAL EVALUATION SEALED BY A REGISTERED PROFESSIONAL ENGINEER THAT DEMONSTRATES THAT THE LOAD
FACTORS SPECIFIED IN THE AASHTO LRFD BRIDGE DESIGN SPECIFICATIONS, SECTION 12.12, ARE MET. THE 50 YEAR CREEP
MODULUS DATA SPECIFIED IN ASTM F2418 OR ASTM F2922 MUST BE USED AS PART OF THE AASHTO STRUCTURAL EVALUATION
TO VERIFY LONG-TERM PERFORMANCE.
C. STRUCTURAL CROSS SECTION DETAIL ON WHICH THE STRUCTURAL EVALUATION IS BASED.
8. CHAMBERS AND END CAPS SHALL BE PRODUCED AT AN ISO 9001 CERTIFIED MANUFACTURING FACILITY.
IMPORTANT - NOTES FOR THE BIDDING AND INSTALLATION OF THE SC-310/SC-740 SYSTEM
1. STORMTECH SC-310 & SC-740 CHAMBERS SHALL NOT BE INSTALLED UNTIL THE MANUFACTURER'S REPRESENTATIVE HAS COMPLETED A
PRE -CONSTRUCTION MEETING WITH THE INSTALLERS.
2. STORMTECH SC-310 & SC-740 CHAMBERS SHALL BE INSTALLED IN ACCORDANCE WITH THE "STORMTECH SC-310/SC-740/SC-780 CONSTRUCTION
GUIDE".
3. CHAMBERS ARE NOT TO BE BACKFILLED WITH A DOZER OR AN 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 ALONG 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 - 6" (150 mm) SPACING BETWEEN THE CHAMBER ROWS.
7. EMBEDMENT STONE SURROUNDING CHAMBERS MUST BE A CLEAN, CRUSHED, ANGULAR STONE 3/4-2" (20-50 mm).
8. THE CONTRACTOR MUST REPORT ANY DISCREPANCIES WITH CHAMBER FOUNDATION MATERIALS BEARING CAPACITIES TO THE SITE DESIGN
ENGINEER.
9. 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 SC-310 & SC-740 CHAMBERS SHALL BE INSTALLED IN ACCORDANCE WITH THE "STORMTECH SC-310/SC-740/DC-780 CONSTRUCTION
GUIDE".
2. THE USE OF CONSTRUCTION EQUIPMENT OVER SC-310 & SC-740 CHAMBERS IS LIMITED:
• NO EQUIPMENT IS ALLOWED ON BARE CHAMBERS.
• NO RUBBER TIRED LOADERS, DUMP TRUCKS, OR EXCAVATORS ARE ALLOWED UNTIL PROPER FILL DEPTHS ARE REACHED IN ACCORDANCE
WITH THE "STORMTECH SC-310/SC-740/DC-780 CONSTRUCTION GUIDE".
• WEIGHT LIMITS FOR CONSTRUCTION EQUIPMENT CAN BE FOUND IN THE "STORMTECH SC-310/SC-740/DC-780 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 THE CHAMBERS AND IS NOT AN
ACCEPTABLE BACKFILL METHOD. ANY CHAMBERS DAMAGED BY 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.
ACCEPTABLE FILL MATERIALS: STORMTECH SC-740 CHAMBER SYSTEMS
AASHTO MATERIAL
COMPACTION / DENSITY
MATERIAL LOCATION
DESCRIPTION
CLASSIFICATIONS
REQUIREMENT
FINAL FILL: FILL MATERIAL FOR LAYER'D' STARTS
FROM THE TOP OF THE 'C` LAYER TO THE BOTTOM
ANY SOIUROCK MATERIALS, NATIVE SOILS, OR PER
PREPARE PER SITE DESIGN ENGINEER'S PLANS.
D
OF FLEXIBLE PAVEMENT OR UNPAVED FINISHED
ENGINEER'S PLANS. CHECK PLANS FOR PAVEMENT
N/A
PAVED INSTALLATIONS MAY HAVE STRINGENT
GRADE ABOVE. NOTE THAT PAVEMENT SUBBASE
SUBGRADE REQUIREMENTS.
MATERIAL AND PREPARATION REQUIREMENTS.
MAY BE PART OF THE'D' LAYER
BEGIN COMPACTIONS AFTER 12" (300 mm) OF
AASHTO M145'
MATERIAL OVER THE CHAMBERS IS REACHED.
INITIAL FILL: FILL MATERIAL FOR LAYER'C'
GRANULAR WELL -GRADED SOIUAGGREGATE MIXTURES, <35%
A-1, A-2-4, A-3
COMPACT ADDITIONAL LAYERS IN 6" (150 mm) MAX
STARTS FROM THE TOP OF THE EMBEDMENT
FINES OR PROCESSED AGGREGATE.
LIFTS TO A MIN. 95% PROCTOR DENSITY FOR
C
STONE ('B' LAYER) TO 18" (450 mm) ABOVE THE
OR
WELL GRADED MATERIAL AND 95% RELATIVE
TOP OF THE CHAMBER. NOTE THAT PAVEMENT
MOST PAVEMENT SUBBASE MATERIALS CAN BE USED IN LIEU
O M43'
AASHTO
DENSITY FOR PROCESSED AGGREGATE
SUBBASE MAY BE A PART OF THE 'C' LAYER.
OF THIS LAYER.
3, 357, 4, 467, 5, 56, 6, 67, 68, 7, 78, 8, 89,
MATERIALS. ROLLER GROSS VEHICLE WEIGHT
9, 10
NOT TO EXCEED 12,000 Ibs (53 kN). DYNAMIC
FORCE NOT TO EXCEED 20,000 Ibs (89 kN).
EMBEDMENT STONE: FILL SURROUNDING THE
AASHTO M43'
B
CHAMBERS FROM THE FOUNDATION STONE ('A'
'C'
CLEAN, CRUSHED, ANGULAR STONE
3, 357, 4, 467, 5, 56, 57
NO COMPACTION REQUIRED.
LAYER) TO THE LAYER ABOVE.
FOUNDATION STONE: FILL BELOW CHAMBERS
AASHTO M43'
PLATE COMPACT OR ROLL TO ACHIEVE A FLAT
A
FROM THE SUBGRADE UP TO THE FOOT (BOTTOM)
CLEAN, CRUSHED, ANGULAR STONE
3, 357, 4, 467, 5, 56, 57
SURFACE. 23
OF THE CHAMBER.
PLEASE NOTE:
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 NO.4 (AASHTO M43) STONE".
2. STORMTECH COMPACTION REQUIREMENTS ARE MET FORA' LOCATION MATERIALS WHEN PLACED AND COMPACTED IN 6" (150 mm) (MAX) LIFTS USING TWO FULL COVERAGES WITH A VIBRATORY COMPACTOR.
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 COMPACTION REQUIREMENTS.
PERIMETER STONE
(SEE NOTE 6)
EXCAVATION WALL
(CAN BE SLOPED OR VERTICAL)
12" (300
AIfYI
ADS GEOSYNTHETICS 601T NON -WOVEN GEOTEXTILE ALL
AROUND CLEAN, CRUSHED, ANGULAR STONE IN A & B LAYERS
iC-740
vn cAP
SUBGRADE SOILS
(SEE NOTE 4)
PAVEMENT LAYER (DESIGNED
BY SITE DESIGN ENGINEER)
TO BOTTOM OF FLEXIBLE PAVEMENT FOR UNPAVED 6�
INSTALLATIONS WHERE RUTTING FROM VEHICLES MAY OCCUR \
�I II INCREASE COVER TO 24')600 MM) 1$' (2.4 m)
(450 mm) MIN' MAX
iv Ot
6"(150mm) MIN
WINNER 11000IN2mm
III II II -III =1 I
I I -I I I 11111I III I I I I I I I11I - pEPTH OF STONE TO BE DETERMINED
II i II II=III 111 =III BY SITE DESIGN ENGINEER 6" (150 mm) MIN
6" 51" (1295 mm) 12" (300 mm) MIN
(150 mm) MIN
1. SC-740 CHAMBERS SHALL CONFORM TO THE REQUIREMENTS OF ASTM F2418 "STANDARD SPECIFICATION FOR POLYPROPYLENE (PP) CORRUGATED WALL STORMWATER COLLECTION CHAMBERS",
OR ASTM F2922 "STANDARD SPECIFICATION FOR POLYETHYLENE (PE) CORRUGATED WALL STORMWATER COLLECTION CHAMBERS".
2. SC-740 CHAMBERS SHALL BE DESIGNED IN ACCORDANCE WITH ASTM F2787 "STANDARD PRACTICE FOR STRUCTURAL DESIGN OF THERMOPLASTIC CORRUGATED WALL STORMWATER COLLECTION
CHAMBERS".
3. "ACCEPTABLE FILL MATERIALS" TABLE ABOVE PROVIDES MATERIAL LOCATIONS, DESCRIPTIONS, GRADATIONS, AND COMPACTION REQUIREMENTS FOR FOUNDATION, EMBEDMENT, AND FILL
MATERIALS.
4. 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.
5. PERIMETER STONE MUST BE EXTENDED HORIZONTALLY TO THE EXCAVATION WALL FOR BOTH VERTICAL AND SLOPED EXCAVATION WALLS.
6. 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.
1932 First Ave
Suite 201
Seattle, WA 98101
p. 206.725.1211
f. 206.973.5344
engineering p l l c WWW.Ipdengineering.com
Call 3 Working Da
Before You DIG!ys
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y-800-424-5555
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REVISION
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3 of 5
PROPOSEDLAYOUT
8
STORMTECH SC-740 CHAMBERS
4
STORMTECH SC-740 END CAPS
6
STONE ABOVE (in)
6
STONE BELOW (in)
40
% STONE VOID
625
INSTALLED SYSTEM VOLUME (CF)
(PERIMETER STONE INCLUDED)
470
SYSTEM AREA (ft2)
104
SYSTEM PERIMETER (ft)
PROPOSED ELEVATIONS
MAXIMUM ALLOWABLE GRADE (TOP OF PAVEMENT/UNPAVED):
215.60
MINIMUM ALLOWABLE GRADE (UNPAVED WITH TRAFFIC):
209.60
MINIMUM ALLOWABLE GRADE (UNPAVED NO TRAFFIC):
209.10
MINIMUM ALLOWABLE GRADE (BASE OF FLEXIBLE PAVEMENT):
209A0
MINIMUM ALLOWABLE GRADE (TOP OF RIGID PAVEMENT):
209.10
TOP OF STONE:
208.10
TOP OF SC-740 CHAMBER (TOP OF RISER):
207.60
12" TOP MANIFOLD INVERT:
206.14
12" BOTTOM MANIFOLD INVERT:
205.20
24" ISOLATOR ROW INVERT:
205.11
BOTTOM OF SC-740 CHAMBER:
205.10
BOTTOM OF STONE:
204.60
SURVEYED:
DESIGNED:
Lip
DRAWN:
SMN
CHECKED:
BY I DATE I APPR I APPROVED:
PROPOSED 24" NYLOPLAST
MAXIMUM INLET FLOW 2.3 CFS
(24" SUMP MIN)
12" ADS N-12 TOP CONNECTION
INVERT 12.5" ABOVE CHAMBER BASE
(SEE NOTES)
PROPOSED OUTLET CONTROL
MAXIMUM OUTLET FLOW RATE 4 CFS
(SEE DETAIL 9 SHEET C3.03)
SCALE:
12" ADS N-12 BOTTOM CONNECTION
INVERT 1.2" ABOVE CHAMBER BASE
(SEE NOTES)
1 "=20'
ONE INCH
AT FULL SCALE
IF NOT ONE INCH
SCALE ACCORDINGLY
VERTICAL• NAVD 1988
HORIZONTAL: NAD 1983/1991
DATU M
40.52'
30.08'
C0P#1 2/23/2018
NOTES
• MANIFOLD SIZE TO BE DETERMINED BY SITE DESIGN ENGINEER. SEE TECH SHEET#7 FOR MANIFOLD SIZING GUIDANCE.
• DUE TO THE ADAPTATION OF THIS CHAMBER SYSTEM TO SPECIFIC SITE AND DESIGN CONSTRAINTS, IT MAY BE
NECESSARY TO CUT AND COUPLE ADDITIONAL PIPE TO STANDARD MANIFOLD COMPONENTS IN THE FIELD.
• THE SITE DESIGN ENGINEER MUST REVIEW ELEVATIONS AND IF NECESSARY ADJUST GRADING TO ENSURE THE CHAMBER
COVER REQUIREMENTS ARE MET.
24" PREFABRICATED END CAP,
PART# SC740EPE24B
TYP OF ALL SC-740 24" CONNECTIONS
AND ISOLATOR ROWS
PROPOSED 30" NYLOPLAST
(24" SUMP MIN)
6" ADS N-12 DUAL WALL PERFORATED HDPE UNDERDRAIN
(31 LF 6" PERFORATED PIPE)
PLACE MINIMUM 12.5' OF ADS GEOSYNTHETICS
315WTK WOVEN GEOTEXTILE OVER BEDDING
STONE AND UNDERNEATH CHAMBER FEET FOR
SCOUR PROTECTION AT ALL CHAMBER INLET ROWS
CITY OF
RENTON
Planning/Building/Public Works Dept.
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SHEET
2 of 5
R-398739
IN COMPLIANCE WITH CITY OF RENTON STANDARDS
FIRE STATION 15
1404 N 30TH STREET
RENTON, WA 98056
STORMTECH DETAILS
DATE:
4/3D0/2019
F1
PAGE:
03.05
SHEET: OF:
12
18
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