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SUPPORT BOLT' AND FACE PLATE (41/2" TOP SLAB)
CURB LINE 7"
3/16'x10" FACEPLATE 1/4' RADIUS 3-IF4 BARS X(W+6') IN ADDITION TO
REINFORCING STEEL PER APPLICABLE
CATCH BASIN STANDARD PLAN
we
3"v J10
11/l6" RADIUS
W
ba
DIA �` ` • • •�•
• - h
u ,moo -
W s
FHEX. NUTS
:f
o L `I Ve HOLE IN PLATE
c
:•3/B"DIAMETER COUNTERSINK -I"C.C.ON SUPPORT BOLT
•"' ' c FOR SET SCREW. NONE REQUIRED FOR CURB FACE LESS
1/4" RADIUS •ti =� THAN 7" THREE REQUIRED FOR 7' CURB FACE. ADD ONE
• COUNTERSINK FOR EACH INCH OF CURB FACE GREATER
•�:•.� THAN 7"
• + 1" SUPPORT BOLT
i
• LENGTH■ C. F. PLUS 6"
•' 1� A • IB• FOR CURB BATTER LESS THAN 2012
:'. , ' ' • ■ S•FOR CURB BATTER 2:12 THRU 4:12
' • ' ■ ■ AS SHOWN ON PLANS FOR ALL OTHER
CURB BATTER
T
' SECTION
OPENING FOR CONIC.
PLACEMENT(TYP) 5/16•X10" LOCATE WELDS IN
LONGER SPAN SEG -
INTERIOR FACE OF CATCH FACE PLATE MENT
BASIN END WALL 3/16 x 10
FACE PLATE
•
3/4' DIA. r
■ I ` HOLE(TYP.) w ; 2"
1/4 2
N 1 3' 3/4' x I yt' ,
SQUARE CARRIAGE - -
" MOLES BOLTS AND , --
"s? I 12 i HEX. NUTS .�_
2' - .n
I ANCHOR
6'x 3/8"x B 2' 2' 1/4 2
END ANCHOR(TYR) SPLICE PL2" 4" 4' 2" ANCHOR
ATE
JOINT
END DETAIL ' SPLICE DETAIL
•
i SUPPORT BOLT AND FACE PLATE (6" TOP SLAB)
Y
CURB LINE
545" X 131I,14 A _ - 3-'04 BARS X(W+6") IN ADDITION TO
FACE PLATE REINFORCING STEEL PER APPLICABLE
CATCH BASIN STANDARD PLAN
'= I/4' RADIUS
n
11/4'.11 3"
SURFACE COURSE TO BE IDEN-
TICAL WITH ADJOINING iPEC1A «
ss1/= :;••`..•'. /O�� • SIDEWALK AS SHOWN ON PL
11/I6" RADIUS `WI
• '• ..
W /
..F
11/8 MOLE
IN PLATE 11/�•
i FOR DETAILS NOT SHOWN, SEE FACE
/ • . PL4TE (4-1/2" TOP SLAB) $MEET 1.
ti r • •.
• T
SECTION
OPENING FOR CONC.
PLACEMENT(TYP.) LOCATE WELDSIN
S/li'X131yj� LONGER $PAN SEG_
INTERIOR FACE OF CATCH �/ •' FACE PLATE MENT
BASIN END WALL 1• X 13WM - I/4 !
FACE PLATE
�• 3/4• Du.
MOLE(TYP.)
i 12, !"
w ` I
3'
t? I �« 1 = 1/4 2
3/4 "/� X 11/to
-� SOUARE CARRIAGE _ _ I
• �. ) I� HOLES BOLTS AND �' I IL
I r v MEX. HUT3 -
ANCHOR
END'ANCMORITYPI B"X3/B"XGo ! !" 1/4 ! ANCHOR
SPLICE ►LATE !■ 4" 4" 2"
END DETAIL i JOINT
i SPLICE DETAIL
w
FACE PLATE ANCHORS
8' '
3/8 TYPICAL
90-
-+
'h' 0 STEEL ANCHORS, 21' O.C. MAX.,
ALTERNATE UPPER AND LOWER
ANCHORS AS SHOWN
HOOK ANCHOR - 41/2" TOP SLAB
3/8 V - -
'k' 0 X 8' STEEL ANCHORS, 15' O.C. MAX.,
ALTERNATE UPPER AND LOWER ANCHORS
AS SHOWN
ROUND HEAD ANCHOR - 41/2" TOP SLAB
PROTECTION BAR AND SUPPORT BOLT(S) WITH
ADJUSTABLE STIRRUP(S) - (TYPE A)
END ANCHOR WITH 3/4" DIA. PROTECTION BAR
COUPLING AND SET FACE PLATE
SCREW\ SUPPORT BOLT WITH
ADJUSTABLE STIRRUP(TYP) END ANCHOR
DOWNSTREAM/
ENO of BASIN r. •1 W
ELEVATION
FLATTEN ANCHOR END STD. 3/4"
DRILL 1/20HOLE. TO PREVENT TURNING STEEL PIPE
1/4"DEEP DRILL AND TAP MOLE ANDKET INSTALL
/ /� WITH 3/16" RECESSED MEXc,MOLE
STD. 3/4' STEEL COUPLINGPROTECTION BAR
TO FIT SNUG OVER ENTIRE
LENGTH (3/4" NPS THREAD)
END ANCHOR DETAIL
t�
r
SUPPORT
u ! BOLT
DOUBLE PROTECTION BAR DETAIL
u
PROTECTION - IS/N
BAR ' I ADJUSTABLE
' f % STIRRUP
-
I ob
•' DRILL AND TAP MOLE AND INSTALL•
• •.. �;• • 3/B"-NCXI/2"SOCKET SET SCREW
WITH 3/16■ RECESSED MEX MOLE to
PROTECTION BAR & STIRRUP LOCATION STIRRUP DETAIL
AMERICAN PUSLIC WORKS ASSOCIATION - SOUTHERN CALIFORNIA CHAPTER
PROMuL"TED BY THE APWAJIOC
JOINT COOS loow ICO M
CATCH BASIN FACEPLATE ASSEMBLY
AND PROTECTION BAR
"ANDA11D PLAN
310-0
USE WITH STANDARD SPECIFICATIONS FOR PUBLIC WORKS COIIISTIKICTION
3• S•
3.5•
w s•
4• s•
s• s
3.5.
5-v
as•
w
4 - vi
36'
18'
9•
42*
18'
9'
48'
18•
10'
-
18'
10"
60'
21 •
III
66*
21'
- • • -
- e
0
,•-.
3•S'
3•S'
-.
'h" 0 STEEL ANCHORS,
4•S•
S•5
3•S'
' ; •. -
cS•
21. O.C. MAX.. ALTERNATE
g�,
M -lie
. '••
• •
UPPER AND LOWER
• - -
ANCHORS AS SHOWN
/36.
HOOK ANCHOR
-
6" TOP SLAB
2:12
PROTECTION BAR AND SUPPORT BOLT(S) WITH
ADJUSTABLE STIRRUP(S) - (TYPE A)
END ANCHOR WITH 3/4" DIA. PROTECTION BAR
COUPLING AND SET FACE PLATE
SCREW\ SUPPORT BOLT WITH
ADJUSTABLE STIRRUP(TYP) END ANCHOR
DOWNSTREAM/
ENO of BASIN r. •1 W
ELEVATION
FLATTEN ANCHOR END STD. 3/4"
DRILL 1/20HOLE. TO PREVENT TURNING STEEL PIPE
1/4"DEEP DRILL AND TAP MOLE ANDKET INSTALL
/ /� WITH 3/16" RECESSED MEXc,MOLE
STD. 3/4' STEEL COUPLINGPROTECTION BAR
TO FIT SNUG OVER ENTIRE
LENGTH (3/4" NPS THREAD)
END ANCHOR DETAIL
t�
r
SUPPORT
u ! BOLT
DOUBLE PROTECTION BAR DETAIL
u
PROTECTION - IS/N
BAR ' I ADJUSTABLE
' f % STIRRUP
-
I ob
•' DRILL AND TAP MOLE AND INSTALL•
• •.. �;• • 3/B"-NCXI/2"SOCKET SET SCREW
WITH 3/16■ RECESSED MEX MOLE to
PROTECTION BAR & STIRRUP LOCATION STIRRUP DETAIL
AMERICAN PUSLIC WORKS ASSOCIATION - SOUTHERN CALIFORNIA CHAPTER
PROMuL"TED BY THE APWAJIOC
JOINT COOS loow ICO M
CATCH BASIN FACEPLATE ASSEMBLY
AND PROTECTION BAR
"ANDA11D PLAN
310-0
USE WITH STANDARD SPECIFICATIONS FOR PUBLIC WORKS COIIISTIKICTION
3• S•
3.5•
N0: 611010
EW
r�
v �t
PAUL MUDDLFStON, it DATE
h
NO.35275 =
r
�O
.(TY►)
PROTECTION BAR AND SUPPORT BOLT(S) WITH
FIXED STIRRUP(S) - (TYPE B)
3/4' DIA. PROTECTION BAR
'UPPORT BOLT ANO 12 SECTIONS MIN.)
IXED 3TIRRUP(TYP.) THREADED EACH END(I/Z-NPT)
/1/2'PIPE 1/2"►I►E
COUPLING(NPT) EYE BOLTS � CAP INPT)
FACE PLATE
t / 3/4"MOLE
I0
-3/8"EYE BOLT
WITH HEX NUTS
u
PROTECTION BAR
it S/B"
I
EYE BOLT DETAIL
I
ELEVATION
FACE PLATE
/ II/so MOLE
/ SUPPORT BOLT
/ PROTECTION BAR
/
STIRRUP DETAIL
NOTES:
GENERAL
1. ALL PARTS SHALL BE STEEL, EXCEPT SET SCREWS, WHICH SHALL BE STAINLESS STEEL OR BRASS.
2. EXCLUDING SET SCREWS, ALL EXPOSED METAL PARTS SHALL BE GALVANIZED AFTER FABRICATION.
3. CURB FACE SHALL BE AS NOTED ON THE PROJECT PLANS.
4. CURB BATTER SHALL BE 3:12 UNLESS OTHERWISE SPECIFIED.
FACE PLATE
5. FACE PLATE LENGTHS SHALL BE CATCH BASIN W PLUS 12 INCHES EXCEPT AS MODIFIED FOR A
'CURB OPENING CATCH BASIN AT DRIVEWAY".
6. WHEN THE LENGTH OF THE FACE PLATE IS BETWEEN 22 FEET AND 43 FEET, TWO SECTIONS MAY BE
USED. WHEN THE LENGTH EXCEEDS 43 FEET, THREE SECTIONS MAY BE USED. SECTIONS SHALL BE
SPLICED ACCORDING TO THE APPLICABLE SPLICE DETAIL. SPLICE SHALL BE PLACED ONE FOOT
FROM A SUPPORT BOLT.
7. WHERE CATCH BASINS ARE TO BE CONSTRUCTED ON CURVES, THE MAXIMUM CHORD LENGTH FOR
THE FACE PLATE SHALL BE SUCH THAT THE MAXIMUM PERPENDICULAR DISTANCE TO THE TRUE
CURVE SHALL NOT EXCEED ONE INCH. WHERE MORE THAN ONE CHORD IS REQUIRED, CHORD
LENGTHS SHALL BE EQUAL. CHORD SECTIONS SHALL BE SPLICED ACCORDING TO THE APPLICABLE
SPLICE DETAIL (MODIFIED TO FIT THE CHORD DEFLECTION) AND A SUPPORT BOLT SHALL BE
PLACED ONE FOOT FROM THE SPLICE.
S. ROUND HEAD ANCHORS FOR THE FACE PLATE SHALL BE NELSON H -4F SHEAR CONNECTOR, KSN
WELDING SYSTEMS DIVISION SHEAR CONNECTOR OR EQUAL.
SUPPORT BOLT
9. SUPPORT BOLTS ARE REQUIRED WHEN THE LENGTH OF THE CATCH BASIN OPENING IS 7 FEET OR
GREATER, AND SHALL BE EVENLY SPACED ACROSS THE OPENING. SPACING SHALL NOT BE LESS
THAN 3 FEET 6 INCHES ON CENTER NOR GREATER THAN 5 FEET ON CENTER.
STIRRUP
10. FOR TYPE A, THE MATERIAL SHALL BE CAST STEEL.
PROTECTION BAR
11. TYPE A SHALL BE USED UNLESS OTHERWISE SPECIFIED.
12. FOR TYPE A. THE BAR SHALL BE CUT TO FIT IN THE FIELD. WHEN 'W" IS OVER 21 FEET, THE
PROTECTION BAR SHALL CONSIST OF 2 OR MORE SECTIONS. A SPECIAL CONNECTOR BETWEEN
THE PROTECTION BAR PIECES SHALL CONSIST OF A 5 -INCH LENGTH OF STANDARD 3/,s -INCH PIPE
WITH STANDARD COUPLINGS FULLY THREADED ONTO EACH END DRILLED AND TAPPED FOR A
SOCKET SET SCREW AS DETAILED FOR THE DOWNSTREAM END ANCHOR.
13. FOR TYPE B, THE BAR SHALL BE TWO PIECES. TWO EYE BOLTS AND A WELDED STIRRUP ON EACH
SUPPORT BOLT ARE REQUIRED.
14. NUMBER OF PROTECTION BARS AND LOCATION(S) AR AS FOLLOWS:
MAXIMUM CURB FACE
0•i r r r 17 il' 12' 14 le15' 16' Ir Ur
'
0
0
3.51
3• S•
3.5•
w s•
4• s•
s• s
3.5.
5-v
as•
w
N0: 611010
EW
r�
v �t
PAUL MUDDLFStON, it DATE
h
NO.35275 =
r
�O
.(TY►)
PROTECTION BAR AND SUPPORT BOLT(S) WITH
FIXED STIRRUP(S) - (TYPE B)
3/4' DIA. PROTECTION BAR
'UPPORT BOLT ANO 12 SECTIONS MIN.)
IXED 3TIRRUP(TYP.) THREADED EACH END(I/Z-NPT)
/1/2'PIPE 1/2"►I►E
COUPLING(NPT) EYE BOLTS � CAP INPT)
FACE PLATE
t / 3/4"MOLE
I0
-3/8"EYE BOLT
WITH HEX NUTS
u
PROTECTION BAR
it S/B"
I
EYE BOLT DETAIL
I
ELEVATION
FACE PLATE
/ II/so MOLE
/ SUPPORT BOLT
/ PROTECTION BAR
/
STIRRUP DETAIL
NOTES:
GENERAL
1. ALL PARTS SHALL BE STEEL, EXCEPT SET SCREWS, WHICH SHALL BE STAINLESS STEEL OR BRASS.
2. EXCLUDING SET SCREWS, ALL EXPOSED METAL PARTS SHALL BE GALVANIZED AFTER FABRICATION.
3. CURB FACE SHALL BE AS NOTED ON THE PROJECT PLANS.
4. CURB BATTER SHALL BE 3:12 UNLESS OTHERWISE SPECIFIED.
FACE PLATE
5. FACE PLATE LENGTHS SHALL BE CATCH BASIN W PLUS 12 INCHES EXCEPT AS MODIFIED FOR A
'CURB OPENING CATCH BASIN AT DRIVEWAY".
6. WHEN THE LENGTH OF THE FACE PLATE IS BETWEEN 22 FEET AND 43 FEET, TWO SECTIONS MAY BE
USED. WHEN THE LENGTH EXCEEDS 43 FEET, THREE SECTIONS MAY BE USED. SECTIONS SHALL BE
SPLICED ACCORDING TO THE APPLICABLE SPLICE DETAIL. SPLICE SHALL BE PLACED ONE FOOT
FROM A SUPPORT BOLT.
7. WHERE CATCH BASINS ARE TO BE CONSTRUCTED ON CURVES, THE MAXIMUM CHORD LENGTH FOR
THE FACE PLATE SHALL BE SUCH THAT THE MAXIMUM PERPENDICULAR DISTANCE TO THE TRUE
CURVE SHALL NOT EXCEED ONE INCH. WHERE MORE THAN ONE CHORD IS REQUIRED, CHORD
LENGTHS SHALL BE EQUAL. CHORD SECTIONS SHALL BE SPLICED ACCORDING TO THE APPLICABLE
SPLICE DETAIL (MODIFIED TO FIT THE CHORD DEFLECTION) AND A SUPPORT BOLT SHALL BE
PLACED ONE FOOT FROM THE SPLICE.
S. ROUND HEAD ANCHORS FOR THE FACE PLATE SHALL BE NELSON H -4F SHEAR CONNECTOR, KSN
WELDING SYSTEMS DIVISION SHEAR CONNECTOR OR EQUAL.
SUPPORT BOLT
9. SUPPORT BOLTS ARE REQUIRED WHEN THE LENGTH OF THE CATCH BASIN OPENING IS 7 FEET OR
GREATER, AND SHALL BE EVENLY SPACED ACROSS THE OPENING. SPACING SHALL NOT BE LESS
THAN 3 FEET 6 INCHES ON CENTER NOR GREATER THAN 5 FEET ON CENTER.
STIRRUP
10. FOR TYPE A, THE MATERIAL SHALL BE CAST STEEL.
PROTECTION BAR
11. TYPE A SHALL BE USED UNLESS OTHERWISE SPECIFIED.
12. FOR TYPE A. THE BAR SHALL BE CUT TO FIT IN THE FIELD. WHEN 'W" IS OVER 21 FEET, THE
PROTECTION BAR SHALL CONSIST OF 2 OR MORE SECTIONS. A SPECIAL CONNECTOR BETWEEN
THE PROTECTION BAR PIECES SHALL CONSIST OF A 5 -INCH LENGTH OF STANDARD 3/,s -INCH PIPE
WITH STANDARD COUPLINGS FULLY THREADED ONTO EACH END DRILLED AND TAPPED FOR A
SOCKET SET SCREW AS DETAILED FOR THE DOWNSTREAM END ANCHOR.
13. FOR TYPE B, THE BAR SHALL BE TWO PIECES. TWO EYE BOLTS AND A WELDED STIRRUP ON EACH
SUPPORT BOLT ARE REQUIRED.
14. NUMBER OF PROTECTION BARS AND LOCATION(S) AR AS FOLLOWS:
MAXIMUM CURB FACE
0•i r r r 17 il' 12' 14 le15' 16' Ir Ur
0 i 2• 3'
NUMBER OF PROTECTION BAR
FOR OTHER CURB FACE OR BATTER. SEE PROJECT PLANS
*TYPE A PROTECTION BAIT ONLY
@401
L/2 (TYP.)
I � �
o I ,
NEW OR
EXIST. PIPE
FLOW
I AZOW
•4 12'
3-•4 CIRCULAR TIES.
SEE NOTE 9
6' MIN
CUT - ----
NO. 2 CUT NO. I
LINE -
9 0
INE 90• CUT
NO. 2
-- - LINE
6' MIN CUT NC
3.14 (D0 Y•
DETAIL 'A' (SEE NOTE 10)
SONO -TUBE. OR EO"L. INTERIOR FORM
CUT NO. 1, SAW THE TUBE AT AN ANGLE OF A/2 WITH THE TRANS-
VERSE'PLANE. REVERSE ONE SECTION AND TAPE BOTH SECTIONS
TOGETHER FORMING THE DEFLECTION ANGLE A.
CUT NO. 2: SAW THE TUBE LONGITUDINALLY REMOVING A STRIP
3.14 (DO -D )INCHES WIDE ON THE SIDE OPPOSITE THE OPEN
JOINT. BEND THE ENDS OF THE CUT TOGETHER AND INSERT
THE TUBE IN THE PIPE.
520-C-2800 CONCRETE
V (TYP.)
NOTES
0
0:12
0
0
3.51
3• S•
3.5•
w s•
4• s•
s• s
3.5.
5-v
as•
4.5*
4 - vi
36'
18'
9•
42*
18'
9'
48'
18•
10'
57'
18'
10"
60'
21 •
III
66*
21'
la
1:12
0
0
3•S'
3•S'
3•S'
4•S•
4•S•
S•5
3•S'
3•S'
cS•
S•S'
O
M -lie
N
m
2:12
0
0
3 S•
3•S•
4-5'
6.S'
S•S
3•S'
3•S•
41- S'
6 5•
5-v
S S•uj
OD
Ix
3:12
0
0
S•S
S•S•t•S'
%-S'
S -S
3•S'
�•S•
••S'
S•S'
S -S•
1•5•
�
H
V
4:12
0
3•S'
3.51
4 -51
t -S•
S•S
3-5-13
5-
.. 5-
t.5•
S S'
S' TC51
___j
0 i 2• 3'
NUMBER OF PROTECTION BAR
FOR OTHER CURB FACE OR BATTER. SEE PROJECT PLANS
*TYPE A PROTECTION BAIT ONLY
@401
L/2 (TYP.)
I � �
o I ,
NEW OR
EXIST. PIPE
FLOW
I AZOW
•4 12'
3-•4 CIRCULAR TIES.
SEE NOTE 9
6' MIN
CUT - ----
NO. 2 CUT NO. I
LINE -
9 0
INE 90• CUT
NO. 2
-- - LINE
6' MIN CUT NC
3.14 (D0 Y•
DETAIL 'A' (SEE NOTE 10)
SONO -TUBE. OR EO"L. INTERIOR FORM
CUT NO. 1, SAW THE TUBE AT AN ANGLE OF A/2 WITH THE TRANS-
VERSE'PLANE. REVERSE ONE SECTION AND TAPE BOTH SECTIONS
TOGETHER FORMING THE DEFLECTION ANGLE A.
CUT NO. 2: SAW THE TUBE LONGITUDINALLY REMOVING A STRIP
3.14 (DO -D )INCHES WIDE ON THE SIDE OPPOSITE THE OPEN
JOINT. BEND THE ENDS OF THE CUT TOGETHER AND INSERT
THE TUBE IN THE PIPE.
520-C-2800 CONCRETE
V (TYP.)
NOTES
0
L
T
12'
12'
4'
18'
12•
5•
24'
12'
6'
30'
18'
7'
36'
18'
9•
42*
18'
9'
48'
18•
10'
57'
18'
10"
60'
21 •
III
66*
21'
II'
72'
24'
12'
•
INTERIOR SURFACE +
OF PIPE
DETAIL 'Be.
TYPICAL JOINT FOR
REINFORCED CONCRETE PIPE
ON HORIZONTAL
CURVE
I. A CONCRETE COLLAR IS REQUIRED WHERE THE CHANGE IN GRADE
EXCEEDS 0.10 OF A FOOT PER FOOT.
2. FOR CURVE JOINTS (SEE DETAIL B. SHEET 1)
IF THE EXTREME ENDS OF THE PIPE LEAVE A CLEAR SPACE
THAT IS GREATER THAN 1", BUT IS LESS THAN 3'. A
CONCRETE COVER IS REQUIRED IN ACCORDANCE WITH
SUBSECTION 306-1.2.4 OF THE SSPWC.
IF THE EXTREME ENDS OF THE PIPE LEAVE A CLEAR SPACE
THAT IS EQUAL TO OR GREATER THAN 3", BUT LESS THAN
60. A CONCRETE COLLAR IS REQUIRED. IF THE CLEAR SPACE
IS 6 INCHES OR GREATER. A TRANSITION STRUCTURE
IS REQUIRED.
3. CONCRETE COLLAR SHALL NOT BE USED FOR A SIZE CHANGE ON
THE MAIN LINE.
4. CONNECTOR PIPES
A. WHERE PIPES OF DIFFERENT DIAMETERS ARE JOINED WITH A
CONCRETE COLLAR. L AND T SHALL BE THOSE OF THE LARGER
PIPE. D=D1 OR D2, WHICHEVER IS GREATER.
B. WHEN Q IS EQUAL TO OR LESS THAN 02, JOIN INVERTS AND
WHEN D1 IS GREATER THAN D2. JOIN SOFFITS.
5. FOR PIPE LARGER THAN 72' SPECIAL COLLAR DETAILS ARE
REQUIRED.
6. FOR PIPE SIZE NOT LISTED USE NEXT SIZE LARGER.
7. REINFORCEMENT SHALL CONFORM TO ASTM A 615. GRADE 40.
8. WHERE REINFORCING IS REQUIRED THE DIAMETER OF THE CIRCULAR
TIES SHALL BE D+(2X WALL THICKNESS) + T.
9. REINFORCING SHALL BE USED WHERE THE PIPE DIAMETER IS
GREATER THAN 21' AND ON ALL PIPES WHERE THE SPACES
BETWEEN THE EXTREME ENDS IS 3. OR LARGER.
CIRCULAR TIES
PIPE
DIAMETER
N0. OF
CIRCULAR TIES
21. OR LESS
3
24' TO 30'
3
33' TO 57'
4
60' TO 72'
5
WHERE THE SPACE BETWEEN PIPE ENDS EXCEEDS 30. THE NUMBER
OF CIRCULAR TIES SHALL BE INCREASED TO MAINTAIN AN
APPROXIMATE SPACING OF 6' OC.
10. WHERE THE PIPE IS 21. OR LESS IN DIAMETER AN INTERIOR FORM
OF UNSEALED SONO -TUBE OR EQUAL SHALL BE USED TO PROVIDE
A SMOOTH INTERIOR JOINT. THE PAPER FORM MAY BE LEFT IN
PLACE (SEE DETAIL A). WHEN THE PIPE IS 24' OR LARGER A
REMOVABLE INTERIOR FORM SHALL BE USED OR THE INTERIOR
JOINT SHALL BE COMPLETELY FILLED WITH MORTAR AND NEATLY
POINTED.
AMERICAN PUBLIC WORKS ASSOCIATION - SOUTHERN CALIFORNIA CHAPTER
PROIRAGATED BY THE APWA-AGCCONCRETE
COLLAR FOR RCP
STANDARD PLAN
JOINT °°°'E"1M `°'""
12 INCHES THROUGH 72 INCHES
380-1
REY. Im
USE WITH STANDARD SPECIFICATIONS FOR PUBLIC WORKS CONSTMUC 10N