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Home My WebLink AboutR-434413PROPOSED LAYOUT NOTES Z �F 279 STORMTECH MC-7200 CHAMBERS • STRUCTURES SHOWN ON THIS DESIGN ARE NOT INTENDED FOR MANWAY ACCESS. INSPECTION AND MAINTENANCE OF THE SYSTEM VIA THESE STRUCTURES IS RECOMMENDED TO BE COMPLETED 1 a 0 0. 1 V M Q PROJECT INFORMATION �� siteAssist FOR STORMTECH I INSTALLATION INSTRUCTIONS VISIT OUR WEBSITE oil720 /j/A0® 28 STORMTECH MC-7200 END CAPS WITH REMOTE CONTROLLED EQUIPMENT, OR ADHERE TO GUIDANCE BY PROFESSIONAL MAINTENANCE COMPANY. 12 STONE ABOVE (in) 9 STONE BELOW (in) 40 % STONE VOID 78,559 INSTALLED SYSTEM VOLUME (CF) (PERIMETER STONE INCLUDED) 17944 SYSTEM AREA (ft') SYSTEM PERIMETER (ft) PROPOSED ELEVATIONS w � a p Ed Z CD O C> I- � w J O N O U o F � $ a ENGINEERED PRODUCT MANAGER: DENNIS HURT 206-747-8301 DENNIS.HURT@ADSPIPE.COM ADS SALES REP: CHARLIE CLICK 360-450-1932 CHARLIE.CLICK@ADSPIPE.COM PROJECT NO: S460045 Q Drainage Systems, Inc. 408.00 MAXIMUM ALLOWABLE GRADE (TOP OF PAVEMENT/UNPAVED) 403.50 MINIMUM ALLOWABLE GRADE (UNPAVED WITH TRAFFIC) = IL I?Advanced oag Ll.l 403.00 MINIMUM ALLOWABLE GRADE NO TRAFFIC) _ ~ 5 ((UNPAVED 403.00 MINIMUM ALLOWABLE GRADE (BASE OF FLEXIBLE PAVEMENT) LU 403.00 MINIMUM ALLOWABLE GRADE (TOP OF RIGID PAVEMENT) o u. L I L I N D B E R G H HIGH SCHOOL FIELD IMPROVEMENTS 402.00 TOP OF STONE 401.38 TOP OF MC-7200 CHAMBER STRUCTURE PER PLAN ? o a g 399.38 8" TOP CONNECTION INVERT SHOWN AS 30" NYLOPLAST BASIN " 9 R E N TO N WA 396.67 INSERTA TEE SIDE INLET CONNECTION INVERT MAXIMUM OUTLET FLOW 1.4 CFS 395.19 24" ISOLATOR ROW PLUS CONNECTION INVERT (24" SUMP MIN) 396.08 8" BOTTOM CONNECTION INVERT s 396.00 BOTTOM OF MC-7200 CHAMBER w 395.25 BOTTOM OF STONE MC-7200 STORMTECH CHAMBER SPECIFICATIONS IMPORTANT - NOTES FOR THE BIDDING AND INSTALLATION OF MC-7200 CHAMBER SYSTEM 0 o w 1. CHAMBERS SHALL BE STORMTECH MC-7200. 1. STORMTECH MC-7200 CHAMBERS SHALL NOT BE INSTALLED UNTIL THE MANUFACTURER'S REPRESENTATIVE HAS COMPLETED A PRE CONSTRUCTION MEETING WITH THE INSTALLERS -_----- _ j,! 6 L'- 2. CHAMBERS SHALL BE ARCH -SHAPED AND SHALL BE MANUFACTURED FROM VIRGIN, IMPACT -MODIFIED POLYPROPYLENE 2. STORMTECH MC-7200 CHAMBERS SHALL BE INSTALLED IN ACCORDANCE WITH THE'STORMTECH MC-7200 CONSTRUCTION GUIDE". COPOLYMERS. 3. CHAMBERS ARE NOT TO BE BACKFILLED WITH A DOZER OR EXCAVATOR SITUATED OVER THE CHAMBERS. 3. CHAMBERS SHALL MEET THE REQUIREMENTS OF ASTM F2418, "STANDARD SPECIFICATION FOR POLYPROPYLENE (PP) CORRUGATED STORMTECH RECOMMENDS 3 BACKFILL METHODS: WALL STORMWATER COLLECTION CHAMBERS" CHAMBER CLASSIFICATION 60x101. . STONES HOOTER LOCATED OFF THE CHAMBER BED. BACKFILL AS ROWS ARE BUILT USING AN EXCAVATOR ON THE FOUNDATION STONE OR SUBGRADE. 4. CHAMBER ROWS SHALL PROVIDE CONTINUOUS, UNOBSTRUCTED INTERNAL SPACE WITH NO INTERNAL SUPPORTS THAT WOULD • BACKFILL FROM OUTSIDE THE EXCAVATION USING A LONG BOOM HOE OR EXCAVATOR. IMPEDE FLOW OR LIMIT ACCESS FOR INSPECTION. 4. THE FOUNDATION STONE SHALL BE LEVELED AND COMPACTED PRIOR TO PLACING CHAMBERS. 5. THE STRUCTURAL DESIGN OF THE CHAMBERS, THE STRUCTURAL BACKFILL, AND THE INSTALLATION REQUIREMENTS SHALL ENSURE __- STRUCTURE A6 PER PLAN SHOWN AS 30" NYLOPLAST BASIN THAT THE LOAD FACTORS SPECIFIED IN THE AASHTO LRFD BRIDGE DESIGN SPECIFICATIONS, SECTION 12.12, ARE MET FOR: 1) 5. JOINTS BETWEEN CHAMBERS SHALL BE PROPERLY SEATED PRIOR TO PLACING STONE. (24" SUMP MIN) LONG -DURATION DEAD LOADS AND 2) SHORT -DURATION LIVE LOADS, BASED ON THE AASHTO DESIGN TRUCK WITH CONSIDERATION FOR IMPACT AND MULTIPLE VEHICLE PRESENCES. 6. MAINTAIN MINIMUM - 9" (230 mm) SPACING BETWEEN THE CHAMBER ROWS. 6. CHAMBERS SHALL BE DESIGNED, TESTED AND ALLOWABLE LOAD CONFIGURATIONS DETERMINED IN ACCORDANCE WITH ASTM F2787, 7. INLET AND OUTLET MANIFOLDS MUST BE INSERTED A MINIMUM OF 12" (300 mm) INTO CHAMBER END CAPS. "STANDARD PRACTICE FOR STRUCTURAL DESIGN OF THERMOPLASTIC CORRUGATED WALL STORMWATER COLLECTION CHAMBERS". M LOAD CONFIGURATIONS SHALL INCLUDE: 1) INSTANTANEOUS (<1 MIN) AASHTO DESIGN TRUCK LIVE LOAD ON MINIMUM COVER 2) EMBEDMENT BEDENT STONE SURROUNDING CHAMBERS MUST BE A CLEAN, CRUSHED, ANGULAR STONE OR RECYCLED CONCRETE; AASHTO M43 #3, 357, 4, OR 57. MAXIMUM PERMANENT (75-YR) COVER LOAD AND 3) ALLOWABLE COVER WITH PARKED (1-WEEK) AASHTO DESIGN TRUCK. 5, 56, 9. STONE SHALL BE BROUGHT UP EVENLY AROUND CHAMBERS SO AS NOT TO DISTORT THE CHAMBER SHAPE. STONE DEPTHS SHOULD NEVER STRUCTURE A5 PER PLAN SHOWN AS 30" NYLOPLAST BASIN 7. REQUIREMENTS FOR HANDLING AND INSTALLATION: DIFFER BY MORE THAN 12" (300 mm) BETWEEN ADJACENT CHAMBER ROWS. (24" SUMP MIN) • TO MAINTAIN THE WIDTH OF CHAMBERS DURING SHIPPING AND HANDLING, CHAMBERS SHALL HAVE INTEGRAL, INTERLOCKING STACKING LUGS. 10. STONE MUST BE PLACED ON THE TOP CENTER OF THE CHAMBER TO ANCHOR THE CHAMBERS IN PLACE AND PRESERVE ROW SPACING. • TO ENSURE A SECURE JOINT DURING INSTALLATION AND BACKFILL, THE HEIGHT OF THE CHAMBER JOINT SHALL NOT BE LESS THAN 3". 11. THE CONTRACTOR MUST REPORT ANY DISCREPANCIES WITH CHAMBER FOUNDATION MATERIAL BEARING CAPACITIES TO THE SITE DESIGN 8" ADS N-12 TOP CONNECTION • TO ENSURE THE INTEGRITY OF THE ARCH SHAPE DURING INSTALLATION, a) THE ARCH STIFFNESS CONSTANT SHALL BE ENGINEER. INVERT 40.5" ABOVE CHAMBER BASE GREATER THAN OR EQUAL TO 500 LBS/FTN/o. THE ASC IS DEFINED IN SECTION 6.2.8 OF ASTM F2418. AND b) TO RESIST CHAMBER DEFORMATION DURING INSTALLATION AT ELEVATED TEMPERATURES (ABOVE 73- F / 23° C), CHAMBERS SHALL BE 12. ADS RECOMMENDS THE USE OF "FLEXSTORM CATCH IT" INSERTS DURING CONSTRUCTION FOR ALL INLETS TO PROTECT THE SUBSURFACE PRODUCED FROM REFLECTIVE GOLD OR YELLOW COLORS. STORMWATER MANAGEMENT SYSTEM FROM CONSTRUCTION SITE RUNOFF. 8" X 22.5° ADS N-12 BEND 8. ONLY CHAMBERS THAT ARE APPROVED BY THE SITE DESIGN ENGINEER WILL BE ALLOWED. UPON REQUEST BY THE SITE DESIGN NOTES FOR CONSTRUCTION EQUIPMENT ENGINEER OR OWNER, THE CHAMBER MANUFACTURER SHALL SUBMIT A STRUCTURAL EVALUATION FOR APPROVAL BEFORE 1. STORMTECH MC-7200 CHAMBERS SHALL BE INSTALLED IN ACCORDANCE WITH THE'STORMTECH MC-7200 CONSTRUCTION GUIDE". DELIVERING CHAMBERS TO THE PROJECT SITE AS FOLLOWS: • THE STRUCTURAL EVALUATION SHALL BE SEALED BY A REGISTERED PROFESSIONAL ENGINEER. 2. THE USE OF EQUIPMENT OVER MC-7200 CHAMBERS IS LIMITED: • THE STRUCTURAL EVALUATION SHALL DEMONSTRATE THAT THE SAFETY FACTORS ARE GREATER THAN OR EQUAL TO 1.95 FOR • NO EQUIPMENT IS ALLOWED ON BARE CHAMBERS. STRUCTURE A4 PER PLAN SHOWN OWN AS S 3030 " NYLOPLAST BASIN DEAD LOAD AND 1.75 FOR LIVE LOAD, THE MINIMUM REQUIRED BY ASTM F2787 AND BY SECTIONS 3 AND 12.12 OF THE AASHTO • NO RUBBER TIRED LOADER, DUMP TRUCK, OR EXCAVATORS ARE ALLOWED UNTIL PROPER FILL DEPTHS ARE REACHED IN ACCORDANCE BYPASS MANIFOLD LRFD BRIDGE DESIGN SPECIFICATIONS FOR THERMOPLASTIC PIPE. WITH THE "STORMTECH MC-7200 CONSTRUCTION GUIDE". "SUMP MIN24 () • THE TEST DERIVED CREEP MODULUS AS SPECIFIED IN ASTM F2418 SHALL BE USED FOR PERMANENT DEAD LOAD DESIGN • WEIGHT LIMITS FOR CONSTRUCTION EQUIPMENT CAN BE FOUND IN THE "STORMTECH MC-7200 CONSTRUCTION GUIDE". EXCEPT THAT IT SHALL BE THE 75-YEAR MODULUS USED FOR DESIGN. 3. FULL 36" (900 mm) OF STABILIZED COVER MATERIALS OVER THE CHAMBERS IS REQUIRED FOR DUMP TRUCK TRAVEL OR DUMPING. (I I\/III V N ADS I NVERT /� (TYP 6 i % STRUC SHOWN W/ELEV (24" SU 1 IT 8Fl I " ADS / INVERT71, 1 N-12 BOTTOM CONNECTION 1.01"ABOVE CHAMBER BASE PLACES) TURE A3 PER PLAN AS 30" NYLOPLAST BASIN ATED BYPASS MANIFOLD " w Y o �� o ff� � MP MIN) y O U r N-12 TOP CONNECTION ® 0 40.5" ABOVE CHAMBER BASE t N E� t (n � N OW lt7 O O O NU 1 o w �a o� 0] OF 8" X 22.5° ADS N-12 BEND _ 0 UjCr O o Q N o� 9. CHAMBERS AND END CAPS SHALL BE PRODUCED AT AN ISO 9001 CERTIFIED MANUFACTURING FACILITY. USE OF A DOZER TO PUSH EMBEDMENT STONE BETWEEN THE ROWS OF CHAMBERS MAY CAUSE DAMAGE TO CHAMBERS AND IS NOT AN ACCEPTABLE \�\ \ TY PARTIAL CUT END 4" BOTTRT#OM ONNE 1E ONS OR ISOLATOR PLUS n 10. MANIFOLD SIZE TO BE DETERMINED BY SITE DESIGN ENGINEER. SEE TECHNICAL NOTE 6.32 FOR MANIFOLD SIZING GUIDANCE. DUE TO BACKFILL METHOD. ANY CHAMBERS DAMAGED BY USING THE "DUMP AND PUSH" METHOD ARE NOT COVERED UNDER THE STORMTECH STANDARD \ ISOLATOR ROW PLUS (SEE DETAIL) TYP OF ALL MC-7200 24" BOTTOM CONNECTIONS AND ISOLATOR PLUS � b � WARRANTY THE ADAPTATION OF THIS CHAMBER SYSTEM TO SPECIFIC SITE AND DESIGN CONSTRAINTS, IT MAY BE NECESSARY TO CUT AND \ ROWS COUPLE ADDITIONAL PIPE TO STANDARD MANIFOLD COMPONENTS IN THE FIELD. CONTACT STORMTECH AT 1-800-821-6710 WITH ANY QUESTIONS ON INSTALLATION REQUIREMENTS OR WEIGHT LIMITS FOR CONSTRUCTION EQUIPMENT. _ PLACE MINIMUM 17.5' OF ADSPLUS125 WOVEN GEOTEXTILE _ 3 11. ADS DOES NOT DESIGN OR PROVIDE MEMBRANE LINER SYSTEMS. TO MINIMIZE THE LEAKAGE POTENTIAL OF LINER SYSTEMS, THE OVER BEDDING STONE AND UNDERNEATH CHAMBER FEET o MEMBRANE LINER SYSTEM SHOULD BE DESIGNED BY A KNOWLEDGEABLE GEOTEXTILE PROFESSIONAL AND INSTALLED BY A FOR SCOUR PROTECTION AT ALL CHAMBER INLET ROWS 6" INSERTA TEE SIDE INLET CONNECTION STRUCTURE A2 PER PLAN QUALIFIED CONTRACTOR. MAXIMUM INLET FLOW 0.6 CFS SHOWN AS 30" NYLOPLAST BASIN � BED LIMITS INVERT 8" ABOVE CHAMBER BASE W/ELEVATED BYPASS MANIFOLD SHEET (SEE DETAIL! FIELD INSTALL) MAXIMUM INLET FLOW 1.7 CFS 0=5 ADS, INC. (24" SUMP MIN) OF NTS NTS StormTech MC-7200 Chamber Specifications StormTech Proposed Layout IN COMPLIANCE WITH CITY OF RENTON STANDARDS DEVELOPMENT ENGINEERING ` �' IL HBray 06/24/2025 NTS Not Used DATE: OF V�Ag� SURVEYED: SCALE: CIVIL CONSTRUCTION PERMIT CW /21/25 AJ vERT1CAL: NAw tsaa • . LINDBERGH HIGH SCHOOL 02-21-25 CIVIL CONSTRUCTION PERMIT RESUBMITTAL CW /14/25 AJ HORIZONTAL: NAD 1983/1991 CITY OF DESIGNED: FIELDBOOK: CIVIL CONSTRUCTION PERMIT RESUBMITTAL CW /06/25 AJ Acw DRAWN: RENTON FIELD IMPROVEMENTS PAGE: DJD/AJJ ONE INCH DRAWING NO: JACOBSON��C s6T�RCHECKED: AT FULL SCALE DATUM Planning/Building/Public Works Dept. STORM DRAINAGE DETAILS C212 ��ONAL �� APPROVED: SCALE ACCORDINGLY SHEET: OR JAJ IF NOT ONE INCH �� CONSULTING ENGINEERS N0. REVISION BY DATE APPR JAJ 13OF 4 R-434413 1T` V J u J N W I N Ir I.'s T N J