HomeMy WebLinkAbout200.20FRAME AND VANED GRATE
RECTANGULAR ADJUSTMENT SECTION
34"
24"
30
"
20
"
5"
5"
NOTES:4"4"
M
I
N
.
SE
E
N
O
T
E
6
22
"
,
4" MI
N.
26",
SEE
N
O
T
E
6
PRECAST BASE SECTION
SE
E
N
O
T
E
6
4"
M
I
N
.
4" MI
N.
26",
SEE
N
O
T
E
6
4"22
"
,32" MIN.56"SEE NOTE 1
ALTERNATIVE PRECAST BASE SECTION32" MIN.56"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 18".
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.
ONE #3 BAR HOOP FOR 6" HEIGHT
INCREMENT (SPACED EQUALLY), SEE NOTE 1
#3 BAR EACH SIDE
#3 BAR EACH CORNER
#3 BAR EACH WAY
#3 BAR
HOOP
#3 BAR HOOP
#3 BAR EACH
CORNER, 18" (MIN.)
1", 2", 4", 6",
12", OR 24"
CATCH BASIN TYPE 1P
(FOR PARKING LOT)
STD. PLAN - 200.20
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