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cn
A R [ n E F G H
A
_X 42 "0 CONC; - --
PE - \
OFFSET NEW 7' \
MH AS SHOWN \ \\ I
IN DET
42 "0 SS
j r
Ex 42"0 coNC v�
PIPE
J
MH R10 -12A
SCALE: 112 "= 1' -0" C105
STA 21 +15.14
N 178651.13
E 1664003.70
—CONSTRUCT CONCRETE
CHANNELIZATION AS
SHOWN
0
FILL EXISTING 42 "0
CONC PIPE WITH GROUT
3" FOR 2•1"0 SECTION
(1 "0 GALV DEFORMED STL)
6" FOR 48 "0 SECTION AND ABOVE
POLYPROPYLENE ENCAPSUI_AFED
STL MH STEPS (1' -0" OC)
12"
NOTE:
TOP RUNG SHALL BE INSTALLED
BETWEEN TOP AND SECOND
COURSE OF ADJUSTING BLOCKS.
TYPICAL MANHOLE RUNG %A�
SCALE: 1 "= 1' -0"
& COVER A
G1�09
STING BLOCKS
METRO MANHOLE B
SCALE: 1/2"= 1' -0" VAR
ONS
As Built
Drawing
See original file
copies for
submittal aid
approval
signatures, and
for engineer's
professi
Wal
10
{/s'�eal
a
VV
SS (ID)
R OF MH BASE
DEFLECTION
ANGLE (0)
LESS THAN 35°
RIC"
35' TO < 55'
55° TO < 75°
75° & LARGER
_
SEC I IUN
METRO STANDARD A
io LOCKING FRAME & COVER
C109
CONCRETE ADJUSTING BLOCKS
I 2' -0 "ID
as PRE -CAST REDUCING
N 3, SLAB
6„ MANHOLE
RUNG
-RISER JOINTS (TYP)
0 6'-0 "ID 7 "MIN
I OR 7' -O "ID
- CHANNEL SHELF SLOPE
1" IN 12" (TYP)
z
g
a MINIMUM PRECAST BASE
SECTION, SEE NOTE 2
CO
MINIMUM CRUSHED
ROCK W/ PORTLAND
SECTION rl CEMENT
NOTES:
1.) REFER TO SPECIFICATION SECTION 02605 UTILITY
STRUCTURES FOR MANHOLE REQUIREMENTS.
2.) BASE REINFORCING:
0.35 SQUARE INCHES /LINEAR FOOT IN BOTH DIRECTIONS.
MINIMUM YIELD STRENGTH = 60.000 PSI.
--t-t �5
METRO MANHOLE C ♦ ��
SCALE: 1/2 "= 1' -0" vAR �/ Qz
132"7'75
DESIGNED i �!� DATE:
"I m E T R ® Municipality of Metropolitan Seattle OCT 95
M- LT/DJ 8 �
DRAWN: CHECKED SCALE: CEDAR RIVER TRUNK RELOCATION FILE "D: -
DJe PHASE 3 E13
RECOMMENDED: NOTED DRAWING NO:
CONTRACT NO: MANHOLE DETAILS C106
APPROVED:
W /M1 -96 SHEET uo OF
8 16
r G .. .•.., y H
147
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