12.8.11 revised storm system evlevations.pdfPLACE MINIMUM 12.5' OF AASHTO M288
CLASS 1 WOVEN GEOTEXTILE OVER
BEDDING STONE FOR SCOUR PROTECTION
AT ALL CHAMBER INLET ROWS
ADS N-12 MANIFOLD (SIZE TBD BY ENGINEER
SEE TECH SHEET #7 FOR MANIFOLD SIZING
GUIDANCE I SHOWN AS 12" X 12' I
INVERT 12.1"ABOVE BASE OF CHAMBER)
FROM CB#2 PER PLAN J ,
ADS N-12 (SIZE TBD BY ENGINEER) J
STRUCTURE PER PLAN
(DESIGN BY ENGINEER I
PROVIDED BY OTHERS)
/
24' X 12' ECCENTRIC TEE
J
24' PREFABRICATED END CAP
PART # SC740EPE24B
TYP OF ALL SC-740 24' AND
ISOLATOR ROW CONNECTIONS
kv&ea bevoc6oy)s
PROPOSED ELEVATIONS
MAX. GRADE (TOP OF PAVEMENTIUNPAVED): 277.67 - 280.75
MIN. GRADE (UNPAVED WITH TRAFFIC): 'B,49 41415
MIN. GRADE (BASE OF FLEXIBLE PAVEMENTIUNPAVED):
MIN. GRADE (TOP OF REINFORCED CONCRETE PAVEMENT): W+25
PROPOSED LAYOUT
(14) STORMTECH SC-740 CHAMBERS
INSTALLED WITH 6" COVER STONE, 6" BASE STONE, 40% STONE VOID
INSTALLED SYSTEM VOLUME (PERIMETER STONE INCLUDED) a 1,244 CF
TOP OF STONE:
TOP OF CHAMBER: 172.70-2r2-.915
12" TOP MANIFOLD INVERT: 271.25 2?1x�6
24' INVERT TO ISOLATOR ROW(S): 270.25-g7'8n,c6
BOTTOM OF CHAMBER: 270.20 -C+425
BOTTOM OF STONE: 269.20 P09- J
DATE
DRAWN
CHECKED
DESCRIPTION
l�7
S cwmT
SuCsutace Ste mw W Management'
70 INWOOD ROAD, SUITE 3
EDMONDS FIRST SECURITY BANK
WASHINGTON
DATE: 12-02-11
PROJECT: 20265
WiILI
�wur�o onAriwesysni.6 Nc,
THJS DRAWING HAS BEEN PREPARED BASED ON INFORMATION PROVIDED TO STORMTECH UNDER THE
DIRECTION OF THE DESIGN ENGINEER OR OTHER PROJECT REPRESENTATIVE. THE DESIGN ENGINEER
SHALL REVIEW THIS DRAWING PRIOR TO CONSTRUCTION. ITIS THE ULTBMTE RESPONSIBILITY OF THE
DESIGN ENGINEER TO ENSURE THAT THE PRODUCT(S) DEPICTED AND ALL ASSOCIATED DETAILS MEET
ALL APPLICABLE LAWS,REGULATIONS, AND PROJECT REQUIREMENTS.
ROCKY HILL, CT 06087
V: 8W-892-2694
F: 866-328-8401
WWW.STORMTECH.COM
DRAWN: AJ D
SCALE: NTS
CHECKED: KAM
PAGE: 1 OF 1
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