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ADAPTOR SKIRT,
TRIM TO WITHIN r RETRIEVAL STRAP
3" - 5° OF GRATE
OVERFLOW BYPASS FOR PEAK
STORM VOLUMES
GEOTEXTILE FABRIC
SEDIMENT ACCUMULATION
NOTES:
1. INSERT SHALL BE INSTALLED PRIOR TO CLEARING AND GRADING ACTIVITY, OR UPON PLACEMENT OF
A NEW CATCH BASIN.
2. SEDIMENT SHALL BE REMOVED FROM THE UNIT WHEN IT BECOMES HALF FULL (12- INCHES FROM
THE TOP OF THE SEDIMENT TO THE BOTTOM OF THE GRATE.)
3. SEDIMENT REMOVAL SHALL BE ACCOMPLISHED BY REMOVING THE INSERT, EMPTYING, AND
RE- INSERTING IT INTO THE CATCH BASIN. DISPOSE OF SEDIMENT IN ACCORDANCE WITH LOCAL,
STATE AND FEDERAL REGULATIONS.
DETAIL
CATCH BASIN INSERT C1
NO SCALE
CONCEPTUAL PLAN OF BOULDER PLACEMENT
NO SCALE
I
DETAIL 2
TEMPORARY SILT FENCE C1
NO SCALE
EXSTING STRUCTURAL
STAINLESS STEEL PLATE CU_VERT, APPROX
BAFFLE, TACK WELD TO 75" WGH x 68" W DE,
EXISTING CULVERT TO 2X6 CORRUGATIONS
HOLD IN PLACE DURING SEE NOTE 2 ` 1
CONCRETE PLACEMENT.
SEE DETAIL 4, THIS
OWG.
C
CLASS 400D
CONCRETE
4#4
3
— 1 1(3
#4x3D "x32" RAD `
06" SPACING
SAND BLAST AND APPLY
EPDXY BONDING AGENT TO
CONCRETE CONTACT AREAS
NO. I REVISION
TYPICAL SECTION
PROPOSED PIPE CROSS SECTION C2
SCALE: 1 ° =1'
TEMPORARY 24" CREEK
BYPASS (CONTRACTOR
TO DETERMINE ACTUAL
LOCATION AND METHOD FOR
ATTACHMENT TO CULVERT)
AS SHOWN
I s
B 19 D8 a6.m co unu cuc
.,m.a
BY DATE APPR �.__
NOTES:
1. THE INTENTION IS TO CREATE A ROUGH, NOT SMOOTH,
CHANNEL RANDOM ROCK PROTRUSIONS NEEDED TO
PROMOTE CASCADING WATER.
2. EXISTING CORRUGATED STEEL PLATE CULVERT DIMENSIONS
VARY ALONG ITS LENGTH. ORIGINAL DESIGN IS LIKELY A
VERTICAL EWPSE HAVING NOMINAL DIMENSIONS OF
76 -INCH HIGH BY 66 -INCH WIDE. ACTUAL MEASUREMENTS
SHOW THE HEIGHT AND WIDTH CAN VARY BY INCHES AND
POSSIBLY MORE IN SOME LOCATIONS.
3. STAINLESS STEEL BAFFLES SHALL BE POSITIONED IN
THE TROUGH OF THE CORRUGATIONS. WHERE BAFFLE
EXTENDS ABOVE THE CONCRETE PLACED ON FLOOR, GROUT
VOID SPACE BETWEEN BAFFLE AND CORRUGATION TO
OBTAIN A COMPLETE SEAL
STAINLESS STEEL BAFFLE PL. SEE NOTES 2 AND 3.
CONTRACTOR TO CUT WOOD TEMPLATE AT EACH BAFFLE
LOCATION TO CONFIRM PLATE FIT WITH EXISTING PIPE.
DETAIL 4
STAINLESS STEEL BAFFLE -
SCALE: 1"=l'
TYPICAL SECTION B
BOULDER CASCADE C2
SCALE: 1"=4'
CARR ROAD - PANTHER CREEK
EMERGENCY CULVERT REPAIR PROJECT
CIVIL SECTIONS AND DETAILS
GRADE
TAKES
4T 3' O.C.
;KNESS OF
BOULDERS.
)TE 1
1 AND GRAVEL
8/19/
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