Technical Specifications — 2021 Paving Program Arterial and Collector Roadways
Leaching Catch Basin Detail
SINGLE GRATE - 24° x 24° OPENING
DOUBLE GRATE - 24" « 40" OPENING
TOP SLAB [H-20 LOADING)
SS
12"
THIN
PSS re FILTER FABRIC
L SSS (IRAP 1406 OF
APPROVED EQUAL)
CRUSHED STONE (COURSE)
NHOOT ITEM 04.6
PERFORATION (TYP)
10% BOTH WAYS
a:
'. (PERPORATED °
4 “
md
—
PERFORATION
NOT TO SCALE
oo
TW]
VARIES
(SEE PLANS)
- (PERFORATED) -.
NOTES:
1. BASE SHALL BE SOLID. SEDIMENT SHALL BE
REMOVED ON 4, REGULAR SCHEDULED BASIS
BY OWNER.
2. LOCATION OF DRAIN LINE OPENINGS VARY.
CORE TO JOB SPECIFICATIONS (SEE DRAIN
PROFILES).
3. STRUCTURE DESIGN AND REINFORCEMENT
SHALL CONFORM TO ASTM Ca? 6 ANID ATES.
CONCRETE SHALL BE 4000 FS] MINIMUM.
4. FILTER FABRIC MUST BE PLACED OVER
CRUSHED STONE AND OVERLAP EXISTING
RATERIAL BY 12° TO PREVENT PAVEMENT
BASE COURSE MATERIALS FROM MIGRATING
INT THE CRUSHED STONE,
LEACHING CATCH BASIN
MOT TO SCALE
“RISER SECTION -;. RISER SECTION S00
ot a!
yp bet
ne a ke
=i
4" MIM.
SUR" BABE oo
1z"|
a4" Gar Bia a" |
hm. MIN. |
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