HomeMy WebLinkAboutR-430704DEVELOPMENT ENGINEERING
TALBOT HILL ELEMENTARY SCHOOL
A PORTION OF THE NE 1/4 OF THE NE 1/4 OF SEC. 30, TWNm 23 N.,
RGEm 05 E. W.M. CITY OF RENTON, KING COUNTY, WASHINGTON.
GRASS SEED, SEE
SPECIFICATIONS
ROOT ZONE SAND MIX,
SEE SPECIFICATIONS
BASE SAND MIX, SEE
c) SPECIFICATIONS
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TRENCH LIMITS
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GEOTEXTILE FABRIC
4" PVC UNDERDRAIN PIPE
PEA GRAVEL UNDER PIPE
SUBGRADE
4" PERFORATED UNDERDRAIN
NOT TO SCALE
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FINISH GRADE
30% VOID RATIO OF
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24" M I N
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NOT TO SCALE
75
STORMTECH MC-7200 CHAMBERS
200.32
MAXIMUM ALLOWABLE GRADE (TOP OF PAVEMENT/UNPAVED)
14
STORMTECH MC-7200 END CAPS
195.82
MINIMUM ALLOWABLE GRADE (UNPAVED WITH TRAFFIC)
12
STONE ABOVE (in)
195.32
MINIMUM ALLOWABLE GRADE (UNPAVED NO TRAFFIC)
12
STONE BELOW (in)
195.32
MINIMUM ALLOWABLE GRADE (BASE OF FLEXIBLE PAVEMENT)
40
% STONE VOID
195.32
MINIMUM ALLOWABLE GRADE (TOP OF RIGID PAVEMENT)
5,461
SYSTEM AREA (ftz)
194.32
TOP OF STONE
328
SYSTEM PERIMETER (ft)
193.32
TOP OF MC-7200 CHAMBER
20,665
MINIMUM INSTALLED STORAGE (C9
191.29
12" TOP MANIFOLD INVERT
188.51
24" ISOLATOR ROW PLUS CONNECTION INVERT
188.45
12" BOTTOM MANIFOLD INVERT
188.32
BOTTOM OF MC-7200 CHAMBER
187.32
UNDERDRAIN INVERT
187.32
BOTTOM OF STONE
ISOLATOR ROW PLUS
(SEE DETAIL)
PLACE MINIMUM 17.50' OF ADSPLUS125 WOVEN GEOTEXTILE OVER BEDDING
STONE AND UNDERNEATH CHAMBER FEET FOR SCOUR PROTECTION AT ALL
CHAMBER INLET ROWS
BED LIMITS
PART TYPE
PREFABRICATED END CAP
PREFABRICATED END CAP
PREFABRICATED END CAP
FLAMP
MANIFOLD
MANIFOLD
NYLOPLAST (INLET W/ ISO
PLUS ROW)
CATCH BASIN (5/C3) NYLOF
(OUTLET)
UNDERDRAIN
INSPECTION PORT
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116.86
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FINISH GRADE
PEA GRAVEL BACKFILL
UNDERDRAIN PIPE
ALT. CONNECTION WHERE INVERT
ELEVATIONS ALLOWS. 90 DEG. ELL.
W/ 90 DEG. REDUCING SNAP TEE.
PERFORATED COLLECTOR DRAIN
PIPE, ELEVATION PER FIELD
DRAINAGE PLAN
90 DEG. REDUCING SNAP TEE OR
45 DEG. SNAP Y AND REDUCING
COUPLING AS REQUIRED (NO
5'-0" � SADDLE TEES).
2" DEPTH MIN. PEA GRAVEL
BENEATH PIPE (TYP)
GEOTEXTILE FABRIC
COLLECTOR DRAIN CONNECTION
NOT TO SCALE
'INVERT ABOVE BASE OF CHAMBER
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DESCRIPTION
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A
12" BOTTOM PARTIAL CUT END CAP, PART#: MC72001EPP12B / TYP OF ALL 12" BOTTOM
1.55"
CONNECTIONS
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CONNECTIONS AND ISOLATOR PLUS ROWS
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12" x 12" BOTTOM MANIFOLD, ADS N-12
1.55"
F
12" x 12" TOP MANIFOLD, ADS N-12
35.69"
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30" DIAMETER (24.00" SUMP MIN)
7.5 CFS IN
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NOTES
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• MANIFOLD SIZE TO BE DETERMINED BY SITE DESIGN ENGINEER. SEE TECHNICAL NOTE 6.32 FOR MANIFOLD SIZING GUIDANCE.
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• DUE TO THE ADAPTATION OF THIS CHAMBER SYSTEM TO SPECIFIC SITE AND DESIGN CONSTRAINTS, IT MAY BE NECESSARY TO CUT AND COUPLE ADDITIONAL PIPE
10
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TO STANDARD MANIFOLD COMPONENTS IN THE FIELD.
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• THIS CHAMBER SYSTEM WAS DESIGNED WITHOUT SITE -SPECIFIC INFORMATION ON SOIL CONDITIONS OR BEARING CAPACITY. THE SITE DESIGN ENGINEER IS
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RESPONSIBLE FOR DETERMINING THE SUITABILITY OF THE SOIL AND PROVIDING THE BEARING CAPACITY OF THE INSITU SOILS. THE BASE STONE DEPTH MAY BE
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INCREASED OR DECREASED ONCE THIS INFORMATION IS PROVIDED.
• THE SITE DESIGN ENGINEER MUST REVIEW ELEVATIONS AND IF NECESSARY ADJUST GRADING TO ENSURE THE CHAMBER COVER REQUIREMENTS ARE MET.
SHEET
2OF6
ADS STORMTECH MC-7200 STORMWATER DRAINAGE DETENTION FACILITY DETAILS
NOT TO SCALE
.r W-V FLAT FACE GOTHIC
o a I- r DIA ---I
o>do �
a 0 $TOM 0 4-
0000
CIO
HY1r8' DA
76772' DIA
I2j M'-,6 S$ SOCI(ET WAD CAP 15' OIA
11) OPEN PICKHOLE 1' SCREW (ALLENHEAD) WAMSHAS
ON A B' CIA BOLT CIRCLE
COVER SECTION
CAST {RON FRAME AND PAVED AREA ITYP.}
COVER SEE NOTE 3
t�° 1p• EXTEND DESIGN
NDIN
SER
2' ABOVE CESiGH PGNDING
ELEVATION OR PER PLAN FERNCO GASKETED
011IK CAP Ili 54MILRR
DESIGN PONDtNG
�!: ELEVATION 4. 57TiElUAgED COBBLES
CLASS �• - PER W5DO7 �03.171$y
ASPHALTS' 5EE NOTE 1
CLFJWOLII RISER. SEE NOTE
+•COMPACTED SAND OR
GRAVEL BACKFILL FOR DRAINS
PER WSDOT 8-03.12f41
-1-1I,
T
CLEANOUT RISER. rT1
SOIL TK3HT 45' BEND SEE NOTE 7 l
AT
SOIL TIGHT
GHT I
COUPLER 1T
UHDERDRAIN, FDOTINC IT
DRAIN G9LLEGTdi, OR
ROOF DRAIN COLLECTOR
PIPE. SEE NOTE T - CLEANOUT RISER LOCATED WITHIN
BIORE'TENTION PONDING AREA
•"-.- , liiliiill
TOOVERFLOW STRUCTURE OR
STORM MAIN
MECHANICAL PLUG OR
CONTINUED CONNECTION
TYPICAL CLEANOUT CONFIGURAT1011
NOTES;
1. DIAMETER TO BE &INCHES MINr"UM PRIVATE. 8-INCHES MINIMUM PUBLIC. UNDERORAIN PIPE PER STD PLAN 262.1D
2. CLEANOUT RISER SHALL BE SAME MATERIAL AS CONNECTED UNDERDRAIN. FOOTING DRAIN COLLECTOR DR ROOF BRAIN COLLECTOR PIPE
3 FRAME A20 COVER SHALL BE EA PRODUCTS 3f 7U11PT AND M75APT OR APPROVED EQUAL COVER TA BE LOCKING WITH ALLEN MEAD BOLT, MARKED "5TORM" OR
'iIRAIN'
A. FOR CLEANOUTS FULLY OR PARTLALLY WITHIN UNPAVED AREAS OUTSIDE OF BIDRETENTION FUNDING AREA, POUR S' THICK 9'I17 SQUARE CONCRETE COLLAR
AROUND FRAME. CONCRETE COLLAR SHALL HAVE A MINIMUM COMPRESSIVE STRENGTH OF 3.OW PSI.
GENERAL NOTES:
1 . CLEANOUTS FOR UNDERORAIN. FDOTING DRAIN COLLECTOR, AND ROOF DRAIN COLLECTOR PIPES SMALL BE INSTALLED AT A MINIMUM OF EVERY 100 FEET. AT
EVERY W DEGREE OR SECOND 45 DEGREE BEND, AT THE END OF EVERY COLLECTOR PIPE AND AT EACH END OF AN UNDERDRMN PIPE NOT CONNECTED TO AN
OVERFLOW STRUCTURE CLEANOUT5 SHALL SE INSTALLED TO ALLOW FOR MAINTENANCE ACCESS TO ALL PEES_
2- ALL FITTINGS SHALL BE SOIL TIGHT.
3. CLEANOUT RISER SHALL BE LOCATED OUTSIDE OF MORETENTION PONOING WHERE POSSIBLE
4. CLEANOUTS SHALL NOT BE LOCATED WITHIN THE STREET TRAVEL LANI=, UNLESS OTHERWISE APPROVED BY THE CITY.
UNLf55 OTHERWISE NCTE°, DRAWING IS NOT TO SCALE { NTS I
STD. PLAN - 226,00
PUBLIC WORKS °6'
.� STORM SYSTEM CLEANOUT s/13/20
❑EPARTMENT artin Pastucha
V4337 DATE
COLLECTOR DRAIN CLEAN OUT
NOT TO SCALE
7 MIN. CLEARANCE TO
ANY PORTION OF FLOW RESTRICTOR
TEE INCLUDING ELBOWS
,
REMOVABLE
f►�
jl I
O FLANGE
COUPLING OR FLANGE
3'HAIIN. A
ELBOW RESTRICTIOIK
SEEDETAILANDNDTE 10
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ANGLE AS
NECESSARY,
/
SEE NOTE
B MIN.
' MIN,
^-�
S" MAX.
PLATE WELDED TO ELBOW WITH
PLAN VIEW
IE4I; ICE AS SPECIFIED, SEE NOTE 3
ELBOW RESTRICTOR DETAIL
ADDITIONAL LADDER RUNGS (IN SET5I TO
ALLOW ACCESS TO TANKS OR VAULT$
WHEN CATCH I5 HUED WITH WATER
FL EVATI ON PER PLANS
72" MIN UNDER r FRAME d SOLID COVER MARKED 'DRlUN" WITH PAVEMENT 1 LOCKING BOLTS PER STD PLANS 2N.40 AND 204.50
!! RIM ELEV. = IW.61
ERTICAL BAR GRATE FOR
SECONDARY INLET
6 MINOP
-OF RISER 1 DESIGN WATER
ELBOW RESTRICTOR,URFACE
ELEV- = 195.40
SEE DETAIL AND NOTE IDRANDHOLDS.
STEPS. OR LADDER
PIPE SUPPORTS, SEE NO
1 5 x
rD
5EE NOTE 13 ITYP.N7x
OUTLET PIPE. SINLET
PIPE 12, PVC amn IE 188.44
NOTES I A 6INVERT
ANDSHEAR
GATE WITH CONTROL ROD FOR
ELEVATION PER PLANSC.
(ROD T At,WITH REQUCOVE RED
FORCILEVERTICALA L
FOR VERTICAL ALIGNMENT WITH COVER]
NT
72' SECTION OF PIPE ATTACHED BY 1
PER S7p PLAN 237.3E
GA.SKETED SAID TO ALLOW REMOVAL c� 2'
12 MIN
WELDED ROLA
ORIFICE 61AASESTRECTSPECIFIEDRPTE. 5EE NWITHOTE 10
ELEV = 186.40
ORIFICE DIA = 0.559• SECTION A
NOTES:
1 USE A MINIMUM OF A 64" DABAMFI TYPE 2 CATCH BASIN.
2. OUTLET CAPACITY: 100•YEAR DEVELOPED PEAK FLOW.
3. METAL PARTS PREFERRED TO BE STAINLESS STEEL, ALUMIN2ED STEEL, OR ALUMINUM. ALL OTHER STEEL PARTS MUST BE GALVANIZE D VJHTH TREATMENTS 1, 2 OR 5.
i FRAME AND LADDER OR STEA$ OFFSET SD:
A CLEANOUT GATE 15 VISIBLE FROM TOP.
B CLIMB -DOWN SPACE IS CLEAR Of RISER AND CLEANOUT GATE.
C FRAME IS CLEAR OF CURB.
S. IF METAL OUTLET PIPE CONNECTS TO CEMENT CONCRETE PIPE: OUTLET PIPE TO HAVE SMOOTH O.D. EQUAL TO CONCRETE PIPE 10. LESS 114'.
6. PROVIDE AT LEAST ONE 3' X .080 GAGE SUPPORT BRACKET ANCHORED TO CONCRETE WALL IMA%IMUM T-O' VERTICAL SPACINGI
1. LOCATE ELBOW RESTRICTORISi AS NECESSARY TO PROVIDE MINIMUM CLEARANCE AS SH IC WN.
B. LOCATE ADDITIONAL LADDER RUNGS 04 STRUCTURES USED ASACCESS TD TANKS AND VAULTS TO ALLOW ACCESS VMFN CATCH BASIN 19 KILLED WITH WATER
9. WHEN CONNECTING TD A NEW PIPE, U SE A FLEX{BLE CONRECTOR IKOR-N-5EAL BOOT WITH C(5RRUGATED PIPE A°APTER OR APPROVED EULIALI. WHEN CONNECTING
TO AN EXISTING PIPE, USE A FABRICATED SAND COLLAR OF THE SAME MATERIAL AS THE CONNECTING PIPE.
10. IF TEE SECTION IS USED ONLY FOR SPILL CONTROL T4[EN ELBOW RE STRI CTORS AND RE STRICTOR PLATES WITH ORIFICES ARE NOT REM IRFD.
UNLESS OTHER WISE NOTES, DRAWING IS NOT TO SCALE {FMI
STD. PLAN - 237.00
. �� PUBLIC WORKS
FLOW CONTROL STRUCTURE -
6y
UAL DEPARTMENT
UR
RESTRIC€OR TEE
Martin Pastucha 8/i3�70
JI Ir 786WOD DATE
CONTROL STRUCTURE
NOT TO SCALE
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R=430704
TACOMA • SEATTLE • SPOKANE • TRI-CITIES
2215 North 30th Street, Suite 300 Tacoma, WA 98403
253.383.2422 TEL 253.383.2572 FAX www.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 DOME NT SHALL INVALDATE THE
PROFESSIONAL SEAL AND SIGNATURE PUBLICATION OF
THIS DOCUMENT DOES NOT DEROGATE FROM RESERVED
OII EiSIf MRS N IT. THIS DOCUMENT IS FOR USE
ONLY FOR THE PROM DARED N THE TITLE BLOC(
AND IS NOT TO BE USED FOR REPAIR, REMODEL OR
ADDITION TO THAT PROAM OR FOR ANY OTHER PROJ7.
A
Revisions:
Sheet Title:
STORMWATER
DRAINAGE DETAILS
Designed by: Drawn by- Checked by:
JAD JAD DCN
Sheet No-
04 of 05 Sheets