Technical Specifications — 2021 Paving Program Residential Roadways
Leaching Catch Basin Detail
SINGLE GRATE - 24° » 24° OPENING
DOUBLE GRATE - 24" « 40" OPENING
TOP SLAB [H-20 LOADING)
EE SPI FILTER FABRIC
| A SSS (MIRAF) 140M OR
A “ APPROVED EQUAL}
i CRUSHED STONE (COURSE)
NHOOT ITEM 204.6
[MIN
PERFORATION (TYP)
12 OF BOTH WAYS
1. BASE SHALL BE SOLID, SEDIMENT SHALL BE
REMOVED ON 4, REGULAR SCHEDULED BASIS
BY OVINER.
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 PSI MINIMUM.
4. FILTER FABRIC MUST BE PLACED OVER
| CRUSHED STONE AND OVERLAP EXISTING
{ +4 br BLA 2-0" MATERIAL BY 12° TO PREVENT PAVEMENT
Fell. MIM. BASE COURSE MATERIALS FROM MIGRATING
INTO THE CRUSHED STONE.
LEACHING CATCH BASIN
NOT TO SCALE
3 M
2 te
th Th =
[aa a o
a Pf ..
Fo. ae .
=| 5 Oo ml * oat
om 2 ae & * (= : =
uu at
ala fu 5° ___— at PERFORATION
a — ST
whe ae & =
=| & “ NOT TO SCALE
hee \] NOTES:
a
127 |
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