20071410 Ver 1_Stormwater Site Plans_20080228

T
Engineering Assurance:
The instalied system wiil meet design specifications upon
initial operation one the project is complete and the entire
drainage area is stabilized.
ISOLATOR ROW
24"HOPE PIPE
CATCH BA31N#1
IN—+�-
STEPS PER OSHA
STANDARDS
�"STEEL
WEIR PLATE
TOP ELEV.-3374.00'
6'
3' SUMP
18"OUTLET PIPE
TO DAYLIGHT
INV.33TZ.00'
DIVERSION WEIR
C!T 1''A�3
CATCH BASIN#'I
W!SOLID UD
—MAINTENANCE ACCES3
D
F,�g 2Q
v �OQS
WE �������i1zY
T1`�pS ANp STa��
�B��CH
OUT----•-
t80LATOR ROW
BASE OF STONE
3TORMTECH 24"STUB
PREFABRICATED END CAP
24"130LATOR ROW PIPE
f NVERT-3371.50'
3UMP EIEVATiON
INVERT•3369.50'
MAXIMUM FINtSHEO ORADE ELEV.-3382.00'
-MINIMUM FlNISHED GRADE ELEV.-3378.00'
,
_�
THE IN3TALLED CHAMBER 3YSTEM SHALL PR4VIOE
THE LOAD FACTORS SPECIFIEO IN THE AASHTO LRFO
BRIDOE DESION 3PECIFICATION3 SECTI�N 12.12 FOR
EARTN AND LIVE LOADS,WITH CON3IDERATl4N FOR
IMPACT AND MULTIPI.E VEHICLE PRE3ENCE3.
3C•740 CHAMA.ER�
'Y.•2 INCH CLEAN,
CRUSHEO,ANC3UtAR STOIVE
ADS 601 GEOTEXTILE OR EQUAL ----,,
�
CHAM8ER3 SHALL MEET ASTM F 2418-05"3TANDARD
SPECIFICATION FOR POLYPROPYLENE(PP)CORRUC3ATED
WALL 3TORMWATER COLLECTION CMAM8ER3".
C3RANULAR WELL C3RADED 301VAt3{3RE�3ATE MIXTURE3,
<3596 FINE3. COMPACT IN 61N LIFT3 TO 98°16 PROCTOR DEN8ITY.
SEE THE TABI.E OF ACCEPTABLE FILL MATERIAL3.
SC-T40 END CAP
. PAVEMENT --� I
♦�Y'w�•�•
'`"�' ' 96'
. . �.,,.•. 18,
r•'Y~• ' .
•y MAX
e.i'....��•r ►I T A 1
.♦��.Y:�,��.
WRAP No.57 BTONE WITH �'��'�
FILTER FABRIC �� ' . .' WA3H�D SA�IQ,, ; .• .; �' .' � ,, • � 1NA8HE�9A(�ID .:' .
,-;-)�-z- . . .. • .. � . .
��i�l I I�I I—I I�I I 1=1 I I----i��-
M
DE81C3N ENC3INEER tS RE3PON31BLE FOR M�N' S1 M
ENSURING THE REQUIRED BEARlN4
CAPACITY OF 3UBORADE SOILS* THIS CR453 SECTIdN DETAILS THE FtEQUiREMENTS
NECE3SARY T4 SATISFY THE LOAD FACTORS SPECIFIED IN TNE
AASHTO IRFD BRIDGE DESIGN SPECIFICATIONS SECTION 12.12
FOR EARTH AND LIVE LOAD3 USING STORMTECH CHAMBERS
�
6`MIN.
30'
6"No.57 WA8HED STONE
�,
4' Washed Sand
12' MIN, TYP.
BEF'ORE Y4U DIG !
CALL 1 --S�C�--632-4949
N.C. ONE--CALL CENTER
1T'S THE LAW !
�r ��
Engineering Assurance:
The instalied system will meet design specifications upon
initial operation one the project is complete and the entire
drainage area is stabilized.
24"HDPE PI
tN--♦
STEP�
�1 f'11\V/'�f�VV
130LATOR ROW 130LATOR ROW
�"STEEL
WEIR PtATE
TOP ELEV.•41�8.0�'
6'
2' SUMP
caTCH sASiN�
W/SOLID LID
o�irwv
�UT----�.►
„ ��
_7
MAXIMUM FfNISHED GRADE ELEV.-4210.0�
-MINIMUM FtNISHED C3RADE ELEV.-42�4.00'
�-130LATOR ROW
BA8E OF 8T4NE
4"WASHED 3AND
�.BTORMTECH 24"STUB
PREFABRICATED END CAP
18"OU�'i�.ET PIPE 24"ISOLATOR ROW PIPE
INVERT•4195.80'
T4 DAYLI4HT
iNV.4196.00'
SUMP ELEVATION
INVERT-4193.b0'
THE IN3TALLED CHAMBER SYSTEM SHALL PROVIDE
THE LOAD FACTOR8 BPECIFIED IN THE AA$HT�LRFD
BRID4E DE310N 3PECIFICATIONS SECTION 12.12 FOR
EARTH AND LIVE LOADS,WITH CON3IDERATION FOR
IMPACT AND MULTIPLE VEHICLE PRE8ENCES.
3C-740 CHAMBER�
'Y.-2 INCH CLEAN,
CRU8HE0,ANC3UU+IR 3TONE
ADS 601 aEOTEXTI�E OR EQUAL —7,
�
�.
CHAM8ER3 SHALL MEET A3TM F 2418-08"STANDARD
3PECIFICATION FOR POLYPROPYIENE(PP)CORRUC3ATE0
WALL 3TORMWATER C4LLECTION CHAM8ER3".
GRANULAR WELL GRADED SOIVAGaRE4ATE MIXTURE3,
<3596 FINE3. COMPACT IN 8 IN LIFTS TO 9596 PROCTOR DEN3ITY.
3EE THE TABLE OF ACCEPTA6LE FiIL MATERIAL3.
SC•740 END CAP
PAVE�tT
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6'MIN.
3��
WRAP No.S?STONE WITH .,,
FI�TER FABRIC — � , .' WA8M,�D 8A�V[�,, ; .�.; '' .' � , ' WA8HED 3AND .. , .
.�
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6"
DEStaN EN�3INEER 18 RE8PON818LE FOR MiN. 51� -
ENSURINC3 THE REQUIREO BEARING
CAPACITY OF su8C3RADE soll.s'' THI3 CR033 SECTION DETAILS THE REQUtREMENTS
NECE38ARY TD SATI3FY THE LOAD FACTQRS SPECIFIED IN THE
AASHTO LRFD BRIDGE DE31GN 8PECIFICATION3 SECTION 12.12
FOR EARTH AND LIVE LOAD3 USING BTORMTECH CHAMBERS
En i neeri ng Certification:
g
._.__
6"No.S7 WASHED 8TONE
4" Washed Sand
I2' MIN, TYP.
The Storm Water Management Ptan and I nfiltration
System design was completed by Jeremy D. Cade�u,
P.E.. The Starm Water Management p1an and details are
incorporate survey information, site layout, grading, and
erosit� c�r�tral desi�n by �th�r��
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Project Number:
SHEET NUMBER:
Copyright �2007,Creative Development Solutions,PA

PAVEMENT
4"PVC RISER
SC-310 CHAMBER
ADS 601 GEOTEXTILE
�R EQUAL
FLOOR B{?X FRAME AND L.ID W/S.S.
CAP SCREW LID CLQSURE
�-INSPECTION P�QR'T WITH SCREW-IN CAP
CLASS"C"CONCRETE
,- ADS 601 GEOTEXTILE�R EQUAL
iNSPECTI4N P4RT TO BE
ATTACHED THROUGH
KNOCK-QUT L�CATED
AT CENTER OF CHAMBER
�TORMTECH PRUDUCT SPECI FICATIQ��
1.0 GENERAL 2.8 THE CHAMBER 3HALL HAVE TWO ORIFICES NEAR ITS
1.1 STORMTECH CHAMBERS ARE DE3IGNED TO C4NTROL T4P TO ALLOW FOR EQUALIZATION 4F AIR PRESSURE
STORMWATER RUNOFF. A3 A 3UBSURFACE RETENTION BETWEEN ITS INTERIOR AND EXTERIDR.
SYSTEM,STORMTECH CHAMBER3 RETAIN AND ALLOW
EFFECTIVE INFILTRATION OF WATER INTO THE SOIL. AS 2.9 THE CHAMBER SHALL HAVE BOTH OF ITS ENDS OPEN TO
A SUBSURFACE DETENTION 3YSTEM,STORMTECH ALLOW FOR UNlMPEDED HYDRAULIC FLOWS AND
CHAMBERS DETAIN AND ALLOW FOR TWE METERED VISUAL INSPECTIONS DOWN A ROW S ENTIRE LENGTH.
FLOW OF WATER TO AN OUTFALL.
2.10 THE CHAMBER SHALL HAVE 14 CORRUGATIONS.
2.0 CHAMBER PARAMETER8
2.1 THE CHAMBER 3HALL BE INJECTION MQI,DED OF 2.11 THE CHAMBER SHALL HAVE A CIRCULAR,INDENTED,
POLYPR�PYLENE RE31N TO BE INHERE�VTLY RESI3TANT FLAT SURFACE ON THE TOP OF THE CHAMBER FOR AN
TO ENVIRONMENTAL STRESS CRACKINC3�ESCR),AND TO 4PTIONAL 4-INCH IN3PECTION PORT.
MAINTAIN ADEQUATE STIFFNE3S THR4UQH HIC3HER
TEMPERATURES EXPERIENCED DURINC3 INSTALLATION 2.12 THE CHAM6ER SHALL BE ANALYZED AND DESIGNED
AND 3ERVICE. USING AASHTO MEl'HODS FOR THERMOPL.ASTIC
CULVERTS C4NTAINED IN THE LRFD BRIDGE DESIGN
2.2 THE NQMINAL CHAMBER DIMENSIONS OF THE SPECIFICATION3,2ND EDITION,INCLUDiNG INTERIM
STORMTECH SC-740 SHALL BE 30.0 INC�ES TALL,51.0 SPECIFICATIONS THROUGH 200'I. DESIGN LiVE L4AD
INCHE3 WIDE AND 90.T INCHES LONC3. THE NOMINAL SHALL BE THE AASHTO HS20 TRUCK. DESIGN SHALL
CHAMBER DIMENSION3 OF THE STORMTECH SC-310 C4NSIDER EARTH AND LtVE LOADS AS APPROPRIATE
SHALL 8E 16.0 INCHES TALL,34.0 INCHE3 WIDE AND 90.7 F�JR THE MINtMUM TO MAXIMUM SPECIFIED DEPTH OF
INCNES LONG. THE INSTALLED LENGTN 4F A JOINED FILL.
CHAMBER SHALL BE 85.4 INCHE3.
2.13 THE CHAM6ER SHALL BE MANUFACTURED IN AN ISQ
2.3 THE CHAMBER SHALL HAVE A CONTINUQUSLY CURVED 9001:2000 CERTIFIED FACILITY.
SECTION PROFILE.
3.0 END CAP PARAMETER8
2.4 THE CHAMBER SHALL BE OPEN-BOTT4MED. 3.1 THE END CAP SHAI.L BE INJECTI4N MOLDED OF
POLYETMYLENE RESIN TO HELP FACILITATE FACT�RY
2.5 THE CHAMBER SHALL INCORPORATE AN QVERLAPPING MANUFACTURED PIPE FITTINGS.
CORRUGATI4N JOINT SYSTEM TO ALl.OW CHAM6ER
R�WS OF ALMOST ANY LENGTH TO BE CREATED. THE 3.2 THE END CAP SHALL 6E DESIaNED T�FIT 1NT0 ANY
OVERLAPPING CORRUQATI�IV JOINT SYSTEM SHALL BE CORRUGATION 4F A CHAAABER,WHICH ALL�WS:
EFFECTIVE WHILE ALLOWINC3 A CHAMBER TO BE CAPPiNC3 A CHAMBER THAT HAS ITS LENGTH TRIMMED;
TRIMMED TQ SHORTEN ITS OVERALL LENGTH. SEGMENTING R4WS INTO ST4RAGE BASINS OF
VARIOUS LENGTHS.
2.6 THE N4MINAL STORAGE VOLUME OF A JOINED
ST�RMTECH SC-744 CHAMBER SHALL 8E 74.9 CUBIC 3.3 TME END CAP SHALL HAVE SAW GUIDES TO ALL4W EASY
FEET PER CHAMBER WHEN INSTALLED PER CUTTING FOR VARIOUS DIAMETERS OF PIPE THAT MAY
STORMTECH'S TYPICAL DETAtLS(INCLUDES THE 6E USED TO INLET THE SYSTEM.
VOLUME OF CRUSHED ANQULAR STONE WITH AN
ASSUMED 40�6 POROSITY). THIS EQUATE3 TO 2.2 CUBIC 3.4 THE END CAP SHALL HAVE EXCES3 STRUCTURAL
FEET OF STORAGE/SQUARE FOOT�F B�ED. THE ADEQUACIES TO ALLOW CUTTINC3 AN ORIFICE OF ANY
NOMINAL STORAGE V4LUME 4F AN INSTALLED SIZE AT ANY INVERT ELEVATIQN.
STORMTECH SC-310 CHAMBER SHALL 6E 31.0 CUBIC
FEET PER CHAMBER WHEN INSTALLED PER 3.5 THE PRIMARY FACE OF AN END CAP SHALL BE CURVED
STORMTECH'S TYPICAL DETAIL3(INCLUOES THE OUTWARO TO RES13T HORIZQNTAL LOADS GENERATED
VOLUME�F CRU3HE0 ANC3ULAR 3TONE WITH AN NEAR THE EDGES(�F BEDS.
ASSUMEO 4�°�o POR031TY�. TH13 EQUATE3 TO 1.3 CUBIC THE END CAP SHALI.BE MANUFACTURED IN AN ISO
FEET OF STORAC3E/SQUARE FOOT OF BED. 3•6
9001:2000 CERTIFIED FACILITY.
2.7 THE CHAMBER SHALL HAVE FORTY-EIGHT ORIFICES
PENETRATINC3 THE SIDEWALI.3 70 AL�OW FOR LATERAL
CONVEYANGE 4F WATER.
iNSERT J�T NOZZEL
HERE AND FLUSH
SEDIMENT TQ SUMP
TO BE SUCKED OUT BY
VAC TRUCK. SEE
MAINTENANCE PR�CEDURES
BEF�RE YOU DIG !
CALL 1 --80�J-632--4949
N.�. ONE--CALL CENTER
.
1 T'S T H E LA W !
CATCH BA
OR
MANHOL
..�
.
INSPEC710N PORT
BY DESIGN ENGINEER
=1::�;:�;;'�:
^r:�1',�;.�`�,�h�
COVER ENTIRE ROW WITH
ADS 601 GEOTEXTILE OR EQUAL
SC-740--8'WIDE STRtP
SC-310---5'WIDE STRIP
STQRMTECH ENDCAP
WQVEN GEOTEXTILE THAT MEETS
ADS 315WTK GEQTEXTlLE OR EQUAL,
BETWEEN FQUNDATi�N ST4NE AND CHAMBERS
SC-740--5'•6`WIDE STRIP
SC-310--4'WI DE STRI P
NC�TE: T�IIS IS THE SYSTEMS PRlM�RY MAINTENANCE MEGHANiSM.
SYSTEM !S TC� BE �LEANED FRQNI THIS LC�CATi4N USING JET VAC PR4CESS.
ACCEPTAB�E FILL MATERtALS
STORMTECH SC•310 AND SC-740 CHAM6ER SYSTEM�
�FILL MATERiAI FROM 18" ANY 801UROCK MATERW.S,,NATIt+�� ,:IWA N�UA , PREPARE PER ENOINEER'9 PLAN9.PAVED
TO�RADE ABOVE CHAM8ER8 SOIL8 OR PER EN(31NEER'S P�l�q�ib. � i!�'3T/V.WTIONB MAY HAVE STRIN�3ENT MATERW.
CHECK PLANS FOR PAVEMENT AN�PREPARATION FiEQUiREMENT9.
SUI�'iR/1DE REQUIREMENT3.
�C FILL MATERIAL FOR 6"TO tg' ORANIJLAR WELL-0RADED 3,357,4,487, A-1 COMPACT IN 8"LIFT8 TO A MINIMUM�8%
EIEYATI�N ABOVE CHAMBERS SOIVACiC3RE4ATE MIXi'URES, 5,88,57,a, M2 STANDARD PROCT4R DEN8ITY.ROLLER OR038
(24"FOR UNPAVED IfV3TALLATION3) �'1�RINEB. 87,68,T,Ts, A-3 VEHiCLE WE1�HT NOT TO EXCEE012,000 L88.
8,89,9,10 DYNAMIC FORCE NOT TO EXCE�20,000 L83.
�EMBEDMENT STONE SURROUNDMK3 CLQAN ANOULAR STONE WlTH THE 3,357,4�487,5, N/A NO C4MPACTlC�N REQUIRED
ANO TO A 8"ELEVATION A80VE MA�IORITY�F PART�Ci.E8 BETVYEEN 54,57
CHAMBER3 'k-Z NVCH
�FOUNDATION STONE BEIOW CLEIW AN(iULAR STONE WtTH THE 3,35T,4,487, N/A PLATE COMPACT OR ROLL TO ACHIEYE A
CHAM8ER3 MAJORITY OF PARTIC�ES BETWEEN 5,58,5T 95°K STANDARD PROCTOR DEN9ITY
�•zn�
PLEA8E NOTE: THE LISTED AASMTO DE8IGNATlONS ARE FOR GRADATI�N3 ONLY. TME STONE MU8T AL80 8E CLEAN
CRU8HED ANOULAR. FOR EXAMPLE,THE 8TQNE MU8T BE 8PECIFIED A8 CLEAN�CRU8HED,ANGULAR NO.4 8TON�.
a�o n�ee ctASS z
NON•WOVEN aEOTEXTII.E
ALL�ROUND MK3UUIR 3TONE
6"
MIN.
96"
MAX.
18"
Stone
ACCEPTS 4"SCH 40 PIPE
'ECTiON PORT
90.7" ACTUAL LENGTH
85.4" INSTALLED
ovc+�w Hexr cruuaa�e e.��Z p�.
�-��,�,��►� -T�l
�a�.t,.�,-vKt.n,a K
eu�u�aow a�
TMis o�c�noN
NQMINAL.CHAMBER SPEClFICATIONS
SIZE(W x H x INSTALLED LENGTH) -
CHAMBER STORAGE -
MiNIMUM INSTALLED BTORA�3E -
WEIGHT -
STUBS AT TOP OF END
CAP FOR PARTS NUMBERS
ENDING WITH"T"
*
30.0"
51'
,
� o 0
A A
C
� $ � �
b1.0"x .0"x 85.4"
45.9 CUBIC FEET
74.9 CUBIC FEET
75 LBS.
STUBS AT BOTTOM OF END
CAP FOR PARTS NUMBERS
ENDtNG WlTH"B"
PART# CHAMBER P{PE 31ZE A B C
SC740EPE06T 9C•740 6 In(150 mm) 10.901n(277 mm)18.50 In(4�0 mm) N/A
SC740EPE088 9C-7'40 81n(150�h) 0.90 In(277 mrn) N!A 0.50 In(13 mm)
SC740EPE08T SC-7�{0 S M(200 mm) 12.20 tn(310 mm) 6.60 tn(419 mm) N/A
SC740EPE08B 9C-T40 8 M(2Q0 mm) 2.20 In(310 mm) N/A 0.80 In(15 mm)
SC740EPE1dT 8C-7,0 10 M(280 mr») 13.401n(340 mm)14.60 In(388 mrn) N/A
SC740EPEt� 9C-740 10 in(250 mm) 3.40 M(340 mmj IVIA 0.701n(18 ntm)
3C740EPE12T 3C-7�10 1Z In(300 mm) 4.701n(373 mm) 2.50 In(318 mm) tV/A
3C740EPE128 3C-740 12 M(300�m1) 4.70 In(379 mm) N/A 1.20 In(30 tr�n)
3C740EPE15T SC-T40 16 M(37S mm) a.40 In(4d7 mm)A.00 In(�29 mm) N/A
3C744EPE158 SC-740 15 In(37S mm) 8.�10 M(467'mm) tV/A 1.30 In�33 inrri)
SCT40EPE18T 3C-740 18 I�(450 mm) �.70 In(600 rnm)b.00 In(127 rra»j N/A
�CT� : 3� 181n(45�� 701��0 mmj IV/A 1.80 M(41 mm)
3C740EPE24B SC-i40 241n(e00 mm) 18.50 M(470 mm) N/A 0.10 in(3 mm)
norE:,ua.c��ar��,�,o�ru.
ALL STUBS,EXCEPT FGR THE 8G"f40�PE?A8
ARE PLACED AT BOT70M OF ENO CAP 8tJCH
THAT THE OUT8IDH DIAMETER OF?HE 8TU818
FLUBH WITN THE 80TTOM OF THE END CAP.
* FOR THE 3C7�PE248 THE?al"
STUB LlE3 BELOW THE 80TTOM OF THE
END CAP APPROXfMATEt.Y 1.7�'.
BACKFILL MATERIAL 8MOULD BE
REMOVED FROM BELOVY THE N-1Z 3TUB
30 THAT THE FtTTt1�13ET8 LEVEL»
C H AMB ER D1MEf� SIONS
I�C�LAT4R R4W STEP BY STEP MAINTENANGE PRC�CEDI�RES
Step 1�inspect isolatar Row for sediment
A�Inspection ports(if present�
i. Remove lid from floor box frame
ii. Remove cap from �nspection r�ser
iii. Using a flashlight and stadia rod,
measure depth of sediment ar�d
record results on maintenance log.
iv. ff sediment is at,or above,3 inch
depth proceed to Step 2. if not
prac�eed to step 3.
B)AII Isolator Rows
i. Remove cover from manhole at
upstream end of Isolator Row
ii. Using a flashlight, inspect down Isoiator Row through outlet pipe
iii. tf sediment is at or above the lower row of sidewalt holes�approximately 3 inches)proceed to Step 2.
if not proceed to Step 3.
Step 2)Clean ou!Isolator Row using the Je#Vac process
A)A fixed cuivert cieaning nozzle with rear facing noule spread of 45 inches or more is preferabie
B)Apply multiple passes of JetVac until backflush water is clean
C?Vacuum manhole sump as required
Step 3) Replace ail caps, lids and covers, record observations and actions
Step 4) Inspect&clean catch basins and manholes upstream of the StormTech system
1. MiRR�RS t�N P4LES OR CAMERAS MAY BE USED TO AVOID A CONFINED SPACE ENTRY
2. FC)l.L4W OSHA REGULATI�NS FOR CONFINED SPACE ENTRY IF ENTERING MANHOLE
ST�RlUITE��i GEIVERAL N�T�S
1. STORMTECH LLC("STORMTECH")REQUIRES INSTALLING 8. STONE PLACEMENT BETWEEN CHAMBERS ROWS AND
CONTRACTORS TO USE AND UNDERSTAND ST4RMTECH'S AROUND PERIMETER MUST FOLLOW INSTRUCTIONS AS
I.ATEST INS7ALLATION lNSTRUCTION3 PRIOR TO BEGINNING INDICATED IN THE MOST CURRENT VERSI4N OF
SYSTEM IN3TALLATION. STORMTECH'S INSTALLATION INSTRUCTION3.
2. OUR TECHNICAL SERVICES DEPARTMENT OFFER3 7. BACKFILLING OVER THE CHAMBERS MUST FOLLOW
INSTALLATION CONSULTATI�13 TO INSTALLINC3 REQUIREMENTS AS INOICATEO IN THE MOST CURRENT
CONTRACTOR3. CONTACT OUR TECHNICAL SERVICES VERSION OF STORMTECH'S INSTALLATI�iV INSTRUCTIONS.
REPRESENTATIVE AT LEA3T 30 DAYS PRIOR TO SYSTEM
INSTALLATION TO ARRANC3E A PRE-INSTALLATI4N 8. THE CONTRACT4R MUST REFER TO STORMTECH'S
CONSULTATION. OUR REPRE8ENTATIVES CAN THEN IN3TALLATION INSTRUCTION3 FQR A TABLE OF
AN3WER QUE3TIONS OR ADDRESS COMMENT3 ON THE ACCEPTABLE VEHICLE LOAOS AT VARIOU8 DEPTHS OF
STORMTECH CHAMBER SYSTEM AND INFORM THE COVER. THIS INFORMATION IS ALS�AVAiLABLE AT
INSTAILINC3 CONTRACTOR OF THE MINIMUM INSTALLATION STORMTECH'S WEBSITE: WWW.STORMTECH.C4M. THE
REQUIREMENT3 BEF4RE BEOINNIN4 THE SYSTEM'S CONTRACTOR IS RESPONSlBLE FOR PREVENTINC3
CONSTRUCTtON. CALL 1-8Z8-4Z3-6933 TO SPEAK T�A VEHICLES THAT EXCEED STORMTECH'S REQUIREMENTS
TECHNICAL SERVICE REPREBENTATIVE OR VISIT FROM TRAVELINC3 ACR�SS OR PARKING 4VER THE
WWW.8TORMTECH.COM TO RECEIVE A COPY OF OUR STORMWATER SYSTEM. TEMPORARY FENCINC3,WARNINC3
INSTALLATION IN8TRUCTION3. TAPE AND APPROPRIATELY LOCATED SIGNS ARE
COMMQNl.Y USED T4 PREVENT UNAUTHORI2ED VEHIC�ES
3. STORMTECH'3 REQUIREMENTS FOR SY3TEMS WITH FROM ENTERING SENSITIVE CONSTRUCTION AREA3.
PAVEMENT DESIC3N(A$PHALT,CONCRETE PAVER3,ETC.):
MINIMUM COVER IS 18 INCHE3 NOT INCLUDINO PAVEMENT; 9. THE CONTRACTOR MUST APPIY EROSION AND SEDIMENT
MAXIMUM COVER IS 96 INCHE3 INCLUOINQ PAVEMENT. FOR CONTROL MEASURES TO PROTECT THE 3TORMWATER
INSTALLATIONS THAT DO NOT INCLUDE PAVEMENT,WHERE SYSTEM DURINQ ALL PHASES OF SITE CONSTRUCTION PER
RUTTINC3 FROM VEHICIES MAY OCCUR,MINIMUM REQUIRED LOCAL CODES AND DESIGN ENGINEER'S SPECIFiCATIONB.
COVER IS 24 INCHES,MAXIMUM COVER 13 96 INCHES.
10. STORMTECH PRODUCT WARRANTY IS LIMITED. SEE
4. THE CONTRACTOR MUST REPORT ANY DlSCREPANCIES CURRENT PRODUCT WARRANTY FOR DETAILS. TO
WITH CHAMBER FOUNDATION MATERIALS BEARINO ACQUIRE A COPY CALL STORMTECH AT'f-888-892•2694 OR
CAPACITIES TO THE DESIGN ENC3INEER. VISIT VIIWW.STORMTECH.COM.
5. AA3HT0 M288 CI.ASS�NON-WOVEN QEOTEXTILE(FILTER
FABRIC)MUST 8E USEb AS INDICATED IN THE PROJECT
PLANS.
STCJRMINATER CHAMBER SPECI�ICATIUNS
Chambers shalf be StorrnTech SC-740, SC-310 or ap roved e ual.
p q
�. Chambers shall conform to the requirements of ASTM F2418-�5, "Standard
Specification for Pol prop lene PP Corru ated il1lali Stormwater
Y Y � � g
Coilection Chambers".
2. Chamber rows shaii rovide continuous, unobstructed internal s ace with
p p
no internal support panels.
3. The structurai design of the chambers, the structura! backfill and ti�e
installation requirements shall ensure that the load factors specified in the
AASHT� LRFD Bridge Desigr� Specifications, Section 12.12 are met for: 1
long-duration dead loads and 2 short-duration live loads, based on the
�
AASHT� Design Truck with consideration for impact and multi le vehicle
p
presences.
4. Onl chambers that are a roved b the en ineer will be ailowed. The
Y pp Y �
contractor shall submit (3 sets) of the following ta the en ineer for a roval
g pp
before deliverin chambers to t�ae praject site:
g
a. A structural evaluation by a regist�red structura! engineer that
demanstrates that the load factors specified in the AASHTO LRFD
Bridge Design Specificatians, Section 12.12 are met. The 5�- ear
y
creep modulus data specified in ASTM 2418-45 must be used as part
of the AASHTO structural evaluation to verify lon -term performance.
�
b. A certification b the manufacturer that the chambers are in
y
accordance with ASTM F2418-45.
6. Chambers shall be produced at an 1S0 9�a1 certified manufacturin
g
faci I ity.
7. All design specifications for chambers shall be in a�cordance with the
manufacturer's latest desi n manual.
g
8. The installation of chambers shall be in accordance with the manufacturer's
latest inst�llation instructions.
Engineering Certification:
The Storm Water M�nagemen� Plan and I nfirtration
System design was completed by Jeremy D. Cadeau,
P.E.. The Storm Water Management plan and details are
ir�Gc�rpQ��t� �Ur1l� inform�tion, site iayout, grading, and
Y
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SPREADER LIF C ONSTRUC T THE LEVEL LIP ON UNCISTURB EG SOiL �-,Y-Y�-,�- �
UNI HEJGHT AND ZERO GRAGE OVER THE LENGTH OF THE � � � � �"''�' � �
� � � � � �
SPREAC�ER. PROTEC T IT WITH AN EROSI�N RESISTANT MATERIAL � �' '�'��' �N,,,,�. ,�I
� � � � �
SUCH AS SURGE STONE TO PREVENT EROSION, TO gECOME �' �" �+ �
ESTAB LISHED. � � � � �r- ��'Y' �
�' �' �- �
�" � 1�' .,�-�4r-,�i V"
OUTLET AREA-- THE OUTLET G�SPOSAL AREA MUST B E GENERALLY � .� �' .Y--
�
��Q
G�p c, r,�
H A WELL VEGETATED �NiTH A MAXIMUM SLOPE OF 10%. -�` �' �,,,�'
�'- .�.. -,Y �� �
�' -�' �' �" -W �� � �!�
VEGETATE ALL GISTURBED AREAS �
`/ �;� I,`/'
�' �' �' Y -' �' Y' �,1� �
N TR TI P I I TI f��
C 0 S UC ON S EC F C A ONS �, �-. �
.�' �- ��i
1. THE MATTING SHOULD B E A MINIMUM OF 4 FEET WIDE � � y�,p�' ��
EXTENL�ING 6 INC HES OVER THE LIP AND B URIED 6 INC NES � �
� � EI.EV � '�
DEEP IN A VERTIC AL TRENC H ON THE LO NER EDGE. �;,p�' ��L
THE UPPER EDGE SHOULG 6 UTT AGAINST SMOOTHLY C UT � � � � PT. ti� �
SOD ANG B E SEC Uf�ELY HELD IN PLAC E UVITH C LOSELY Y� � �� STAg ILIZEG
� b�• �'�l SLOPE ��
SPAC ED HEAVY L�UTY �N1RE STAPLES AT LEAST 12 INC HES LONG. -�' y;J�
� ��� � � ��
2. ENSURE THAT THE SPREADER IS LEVEL, FOR UNIFORM SPREADING � �
��
-�" S T A B LE �-�"` � ��
OF STORM RUNOFF. UNDISTURB EG � �'�l
.Y- P`� ��l
-�" O U TL E T A R E A -�' �Q- �,�l� �
3. C ONSTRUC T THE LEVEL SPREADER ON UNGISTURg ED SOIL. � �,.. � fJ �d�
(NOT ON FfLL) � � I�I
�
� � � ���i
4. C�NSTRUC T A 20 FOOT TRANSITION SEC TION FROM THE .�-.
DIVERSION CHANNEL TO BLEND SMOOTHLY WITH THE WIDTH �-
AND GEPTH OF THE LEVEL SPREADER. Y� �-
�' � 1
5. DISPERSE RUNOFF FROM THE SPREADER AC ROS� A PROPERLY �" ELEV ,�I �
STAgILIZED SLOPE, NOT TO EXCEED 1Q�, MAKE SURE THAT �- �` PT�
THE SLOPE IS SUFFICIENTLY SMO OTH T O K E EP TH E F L O W FR OM � 3 E L E V A T I O N P O I N T S O N
CONCENTRATtNG. -�- � SPREAC�ER ALL AT SAME
-�~ EI.EVATION (TYPIC AL)
6. IMMEGIATELY AFTER IT'S C ONSTRUC TION, APPROPRIATELY SEEG -�
AND MULCH THE ENTIRE DISTURBED AREA OF THE LEVEL � -�"' ELEV
SPREAGER. � _,,., FT.
DOUVNSTREAM "LIP" MUST B E LEVEL
THE ENTIRE LENGTH OF SPREADER,
SPREAQER LIP MUST B E 1' MINIMUM.
SEE PLANS FOR ELEVATI4N.
2-3" SURGE STONE &
GE4--TEXTiLE FAB RiC
; EXTEND A MINIMUM OF
ONE FOOT PAST "LIP"
STAND LEVEL SPREADER
FLOW
����
..
,.r
SURGE STONE LIP
GRASS LINED C HANNEL 6 INC HES DEEP, 1' FOOT WIDE.
SEE PLANS FOR LENGTH AND ELEVATION.
NOTE: EROSION CONTROL NETTING TO BE INSERTEG ANG
��C URED IN GRASS LINED C HANNEL.
RIP RPP
UNGISTURBED GROUND
MAINTENANCE
INSPEC T THE LEVEL SPREADER AF'TER EVERY RAINFALL UNTIL VEGETATION IS ESTAB LISHEL�
AND PROPERLY MAKE ANY NEEGED REPAIRS. AFTER THE AREA HAS BEEN STABILIZED,
MAKE PER14QlC INSPEC TIONS AND KEEP VEGETATION IN A HEALTHY, VIGOR4US CONDITION.
RIP RAF OUTLET PROTEC TION
AN� ENERGY DISSIPATOR SEE
P�ANS F'OR DETAILS
FI.ARED END SEC TION
�.T�=1 I!:—�T-1�T��I I I!I I I I I:.
NOTE:
LEVEL SPREADER DESIGN �Nl�L g E B ASEG ON
CURRENT DIVISION OF 'NATER QUALITY C�ESIGN
GUIDELINES.
S TAND LE`�EL SPRE�!�UER CR(J S S SECTION
Riprap Channel Notes:
1. Line subgrade with Mirafi 504X
geotextiie fabric prior to piacing riprap.
2. Channel shall be lined with NCDOT
; Class 1 riprap unless otherwise noted.
I'�� 3. Provide ri ra lined channels where
, P p
'�� indicated on pfans.
Road
Shoulder
.
c
.�
� � Exist. Or Graded Slope
w
r
2 2 Grass Ditch T e:
YP
Synthetic Maf or A — w/Synthetic Mat
Straw Netting , g -- w/Straw Netting
1.5
VEG ETATE D FI LTE R STR I P G RAS S
Road 2�
Shoulder
6"
� rnin � Exist. 4r Graded Slope
2 2
Paved Channel Section, Typ.
See Site Plan for Channel siope
R i p ra p_______.r...�_.!
D5� = 15»
�r
�ma�':' 18 3�
T _ 24�,
Permanent Riprap Chanr�ei
DI TC H SEC TI�N S
3do
Notes:
1 La is the length of the riprap apron.
2 d+1.5 times the maximum stone diameter
but not less than 6"
3) in a weii--defined chonnel extend the apron
up the channei banks to an elevation of 6"
above the maximum tailwater depth or to the
bank, whichever is less.
4) A filter bianket or fiiter fabric should be installed
between the riprap and soil foundation.
DISSIPATOR ENTRANCE WlDTH ("A") = 4.5'
E N D W I DTH ��"B") =� 14.5'
LENGTH C = 1�
d�aX. RI --RAP = 4.5' (CLASS "B")
A P R 0 N T H I C K N ES S = 4.7 5 �'ROADS A D�STRUCTURES �90)
q Pipe Outlet to Flat Area With q
♦i r� r• � r�� �
W
La
T
Section Ar-I �
�•
F�Iter Blanket
6oz. Non Woven
Pipe Outlet to Well Defined Channel
RIPRAP �UT�ET PROTECTI�
FRAME AND GRATE PER
NCDOT STANDARDS.
SEE PLAN AND TABLE
FOR LID TYPE
TYPICAL
GRUUND . . �� \� '�;% `�/ �� ' � �i �
, � � \ / / / \ \
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. \//, //i/�/ \
/ / / / / . //
. \ �\,�\ .
r\� ��
POLYPR4PYLENE
COATED STEEL
M.H. STEPS -
ALTERNATE AT
12" VERTICAL
SPACING.
4,00o Ps� coNC.
BUILT UP INVERT
AND BENCHES.
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IYI/"11 GRIIIL GI.GVM�IVIv
-�- BRICK T'4 FINAL GRADE
� � o : � °� ; ° F LAT S LAB T41'
4 a
' d .
�7
� o PRECAST MANH4LE
----`_
a a � SECTIC�NS - MANU-
� � FACTURED ACCORDING
D � p
� TD ASTM C-478
. � WITH CJ-RINC CASKETS
a . VA I �
R ES . (ASTM C-443 ) CJR
� o � � BUTY'L RUBBER SEALS.
� � d� WAFFLE TYPE BCJXES
� VARIES . .
. . ARE A�CEPTABLE
. � HDPE PIPE o
o . FC�R SHALLOW
. � INSTALLATIONS.
� 4 .
4 .
. . , a d �7
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_
STEP� ARE REQUIRED IN ALL BASINS
BEF'�RE Y4U D1G !
c:Q I i � - c�r�--���--��.��
N.C. ONE--CALL CENTER
!T'S THE LAW !
BACKFtLL MATERIAL
COMPACTED IN 6"LiFTS
BACKFILL MATERlAL
#57 STONE T4 SPRINGLINE
SHEETED �f'EN
tRENCH I TREtdCH
BACKFILL MATERIAL
C4MPACTED IN 6"LIFTS
BACKFILL MATERIAL
#57 ST�NE
SHEETED OPEN
TRENCH I TQ�tir_u
#57 ST4NE TO TOP
IF SOIL IS ROCKY AND UNSUITABLE
UNDtSTURBED-� ,N_ UNDISTURBEQ.,i �6a
EARTH BELL H4LES NOT SHOWN EARTH
OVERCUT EXCAVATtON
STANDARD EXCAVATION N4TE :
CONSTRUCTION OF TRENCHES
SHAL.L BE IN ACCURDANCE
SHEETED OPEN WITH THE LATEST OSHA
SHEETED OPEN TRENCH TRENCH REGUTATIONS. CONTRACT�R
TRENCH TRENCH BACKFILL MATEl4iAL SHALL 8E RESPOSIBLE FUR
BACKFILL MATERIAL C4MPACTED IN 6"LiFT COMPLIANCE WITN ALL
COMPACTED iN 8"LIFTS APPLICABLE REGULATI�NS.
�',.;24;:Mnx . ���M,�:�.:.. CONTRACTOR IS TO MAKE SURE
. BACK FILL IS PLACED UNDER
24 MAX 12" 12"MIN �.;,,=.,-::�....,�:.�.;�: 6"MIN �
PIPE HAUNCHES.
1 MIN 6"MIN j�i SPRING LlNE 4F PIPE . ... .
� %' j� �; ��P CI.ASS 1 OR 2 MATERIAL SHALL
SPR NG�INE OF PIPE ��P' �\ BE UTILIZED FOR BACKFILL.
�
; �� WASHEQ ST4NE s�MIN /�%i NO BOULDERS OR STONES IN
WASHED STONE �R M� �\ EMBEDMENT ; ��; EXCESS OF 4"IN SIZE SHALL
EMBEDMENT \�// \ � � \� \ �� BE USED AS PART OF INIITAL
��"�'��i����/��' ADDITIONAL WASHED STONE FOR ' /� BACKFILI.. WHERE EXCAVATED
UNDISTURBED UNDERCUT EXCAVATIQN ONLY � /� SOIL IS NOT SUiTABLE F�R
EARTH AS DIRECTED BY ENGINEER ; /` INITlAL BACKFILL#57 WASHED
, ��,�/��j�j�/� ,� ,� ,�� ST4NE SNALL.8E USED TO THE
STANDARD EXCAVATION i���/,� T�P OF THE PIPE.
IN WET CONDITI4NS UNDISTURBED
EARTH MIN.1`CQVER IS REQUIRE�OVER
UNDERCUT EXCAVATI4N
!N UNSTABLE SOILS TYPES HDPE PtPE.
��7=. � =�A�T A Y �C?�1� =T=; ::T����) :�A�::
TYPI� AL ST�RM PI PE TRE�IC H DETAI L ::�A ~_ ���T=�T=: aT T�= _�: �_
�`ac;-� ;aY a�; ::-�4 �- �4��--;
��,N T-{ A\ AC;�=�TA=: _ ;:C} T�:-iT = .,G.
.::.-:.-.:.:.:=,-_
:.:= ..:.__..:.:.
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INLET
PiPE
INLET PIPE
ACKFILL MATERIAL SHALL BE CRUSHED STONE OR 0'
1LAR MATERIAL ME�TING THE REQUIREMENT3 OF CI
�.�.,"11AL AS DEFINED IN�ASTM D2321. BEDDING�BACKFII
SURFACE DRAINAGE INL�TS SHALL BE PLACED 8�COMPAC'���
UNIFORMLY IN ACC4RDA�ICE WITH ASTM 02321.
HIGH•FLOW/SEC4NDARY
------- �
FIRST-FLUSH
oun�r
18"-30"FRAME 8►
SIDE SECTION 8�TOP VIEW:
ENLARGEO TO SH�W OETAII
WEIR CONFIGURATION WITHIN BASIN VARIES PER ENGINEERING DESIGN AND FLOW CONTROL.
2�-1 ��a�
3/4" 1=11 3!4" _
� �
� �
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�
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4 318" 2'-01/Z" �
�
2'-91/4"
SECTIDN A-A
MANHOLE RING
NOTE: TRAFFIC BEARING RING AND C4VER.
MINIMUM WEIGHT 315 PC�UNDS
MANHQ�E RING 8c C OUER
/
y__.__. .lEIR
HALF PLAN �� MANH4LE
R I N G & C�VE R
�,w11 1/2N
�
�- :
�.-
N � ts+7 :—
1/2"
SECTION A-A
MANHOLE COVER
Engineering Certification: ,,,►����,,,,
,,, �,,
,�`�.��► �ARp'�%
e `,,, o ooa00000000� '-;
�
; o0 oF�ss���o� ;
The Storm Water Management Plan and f nf�ltrat�on _ �0 4 -
_ Q o _
� o S o
System design was completed b Jeremy D. Cadeau, � o o �
y _ 3 _
� .. � p -.
P.E.. T h e S t�r m W a t�r M a n a e m e n t l a n a n d d e t a r l s a r e ; �Q Q� �
� p �o a :
. � . . , . ;fi ao� o�o ;
�ncar or�te surve informat�on s�te la out radin and -,�' Q �� ��� �.�
p y , y , g g, %,� �. ,,.
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erosion �ontrol des�gn by athers. ,>>f�1111�
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Pro ject Number.
SHEET NLTMBER:
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