HomeMy WebLinkAbout200.10REDUCING SECTION
36
"
20
"
40"
24"
6"
8"
8"12"4"32",
SEE
N
O
T
E
6
28
"
,
SE
E
N
O
T
E
6
4" MI
N. (
T
Y
P.)44"2"PRECAST BASE SECTION
SEE NOTE 1
ALTERNATIVE PRECAST BASE SECTION
NOTES:
1.AS ACCEPTABLE ALTERNATIVES TO THE REBAR SHOWN IN THE PRECAST BASE
SECTION, FIBERS (PLACED IN ACCORDANCE WITH STANDARD SPECIFICATION
9-05.50(9)), OR WIRE MESH HAVING A MINIMUM AREA OF 0.12 SQUARE INCHES PER
FOOT SHALL BE USED WITH THE MINIMUM REQUIRED REBAR SHOWN IN THE
ALTERNATIVE PRECAST BASE SECTION. WIRE MESH SHALL NOT BE PLACED IN THE
KNOCKOUTS. AS AN ACCEPTABLE ALTERNATIVE TO THE REBAR SHOWN IN THE
RECTANGULAR ADJUSTMENT SECTION, WIRE MESH HAVING A MINIMUM AREA OF
0.12 SQUARE INCHES PER FOOT MAY BE USED.
2.THE KNOCKOUT DIAMETER SHALL NOT BE GREATER THAN 26". KNOCKOUTS SHALL
HAVE A WALL THICKNESS OF 2" MINIMUM TO 2.5" MAXIMUM. PROVIDE A 1.5" MINIMUM
GAP BETWEEN THE KNOCKOUT WALL AND THE OUTSIDE OF THE PIPE. AFTER THE
PIPE IS INSTALLED, FILL THE GAP WITH JOINT MORTAR IN ACCORDANCE WITH
STANDARD SPECIFICATION 9-04.3.
3.THE MAXIMUM DEPTH FROM THE FINISHED GRADE TO THE LOWEST PIPE INVERT
SHALL BE 5'.
4.THE FRAME AND GRATE MUST BE INSTALLED WITH THE FLANGE DOWN.
5.THE PRECAST BASE SECTION MAY HAVE A ROUNDED FLOOR, AND THE WALLS MAY
BE SLOPED AT A RATE OF 1H:24V OR STEEPER.
6.THE OPENING SHALL BE MEASURED AT THE TOP OF THE PRECAST BASE SECTION.
7.ALL PICKUP HOLES SHALL BE GROUTED FULL AFTER THE INLET HAS BEEN PLACED.
USE GROUT TYPE 2 FOR NON-SHRINK APPLICATIONS IN ACCORDANCE WITH
STANDARD SPECIFICATION 9-20.3(2).
8.ALL GRADE RINGS AND CASTINGS SHALL BE SET IN MORTAR IN ACCORDANCE WITH
STANDARD SPECIFICATION 9-04.3. THEN APPLY MORTAR TO INSIDE AND OUTSIDE OF
ALL JOINTS, RINGS, RISERS, AND FRAMES.
9.MORTAR SHALL BE MIXED AND APPLIED PER MANUFACTURER'S DIRECTIONS.
10.FRAME SHALL BE ADJUSTED TO PAVEMENT GRADE BY TAPPING UNTIL FRAME IS
FLUSH WITH PAVEMENT AS DETERMINED WITH A STRAIGHT EDGE OF SUFFICIENT
LENGTH.
11.ALL MORTAR JOINTS SHALL BE TRIMMED FLUSH AND REMAIN VISIBLE UPON
COMPLETION.
FRAME AND VANED GRATE
RECTANGULAR ADJUSTMENT SECTION
34"
24"
30
"
20
"
5"
5"
1", 2", 4", 6", 12", OR 24"
ONE #3 BAR HOOP FOR 6" HEIGHT
INCREMENT (SPACED EQUALLY),
SEE NOTE 1
#3 BAR EACH
CORNER 18" MIN.
#3 BAR HOOP
PIPE ALLOWANCES
PIPE MATERIAL
MAXIMUM
INSIDE
DIAMETER
REINFORCED OR PLAIN
CONCRETE 18"
ALL METAL PIPE 21"
CPSSP*,
STD. SPEC. 9-05.20 18"
SOLID WALL PVC,
STD. SPEC. 9-05.12(1)21"
PROFILE WALL PVC,
STD. SPEC. 9-05.12(2)21"
* CORRUGATED POLYETHYLENE STORM
SEWER PIPE
TWO #3 BAR HOOPS
#3 BAR EACH SIDE
#3 BAR EACH WAY
#3 BAR EACH CORNER
CATCH BASIN TYPE 1L
STD. PLAN - 200.10
PUBLIC WORKS
DEPARTMENT
APPROVED:
DATEGregg Zimmerman
Public Works Administrator
UNLESS OTHERWISE NOTED, DRAWING IS NOT TO SCALE (NTS)
DocuSign Envelope ID: 6EECF5B6-602A-4E4A-B436-A317AA638878
9/28/2018 | 9:45 AM PDT