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MANHOLE DEMOLITION
DETAIL A
NTS 1 UT.04
MANHOLE NOTES
AREMOVE AND STORE EXISTING TOP SLAB AND MEASURE EXISTING TOP
SLAB SUPPORTS.
AREMOVE TOP PORTION OF EXISTING PRECAST MANHOLE RISER SECTION.
KEEP EXISTING REBAR/WELDED WIRE ABOVE CUT LINE. CHIP CONCRETE
AROUND EXISTING REINFORCEMENT.
ACUT EXISTING VERTICAL REINFORCEMENT TO 1" BELOW TOP OF NEW
CONCRETE TONGUE AND GROOVE ON PROPOSED CONCRETE TOP SLAB
SUPPORT.
APOUR NEW CONCRETE SUPPORT ON TOP OF REMAINING PRECAST
MANHOLE RISER SECTION AROUND EXISTING REINFORCEMENT. MATCH
DIMENSIONS OF EXISTING TOP SLAB CONCRETE SUPPORT.
AINSTALL EXISTING MANHOLE TOP SLAB ON LOWERED MANHOLE WITH
RUBBER GASKETED JOINTS AND REPLACE VENTED COVER WITH SLIP
RESISTANT SOLID LID.
rOP.51 .AB RUBBER
GASKETED
JOINT
SEE NOTE 4
5
•' ",,4NHOL E
PROPOSED FINAL ELEVATION: 31.885'
d 1,
1I\1STA L L PQL YE THYLEME 1, J
., ,
a 4
FCAM EOLIAL TO ETH.4 -
�,�ArUh'DL FGA,M� 2z0 , IC�HTL Y 8%
C0M ACT'EA0 B.Er�,��E
�IrUCE " �.4 Eit/L� PIPE AND C0-1
WALL - (T YPJ
1
"DfA
k/T/X/.s/Ort/ 4 C��/T�.�/�E V
OP1,U//i/G
INTETIONALLY ROUGHEN CONCRETE
SURFACE TO 1/4" AMPLITUDE
7 SLJPPD/i�T /81151c;,OOL
'LI.NGS ARE TIGHT-ENED )
�Ql1.�IL
�4TEr�/AL.
AD -READY SUBMITTAL 7
(425) 453-5000
1100 112TH AVE NE, SUITE 500
,JacobsBELLEVUE, WA 98004
WASTEWATER UTILITY
No. REVISION BY APP'D DATE jstowell08/29/2024 _
Ix I
���CA.ST BASE
_52ffCT/Ortl WIZ-,? Z"Z2/L�
7/-/ROUG.h' �/OL ES,
MANHOLE RECONSTRUCTION
DETAIL B
NTS 1 UT.04
GENERAL NOTES
1. VERIFY AND MATCH EXISTING TOP SLAB SUPPORT DIMENSIONS
BEFORE POURING CONCRETE.
2. FIELD VERIFY FINAL GRADE BEFORE DEMOLISHING EXISTING
PRECAST MANHOLE RISER.
3. CAST -IN -PLACE CONCRETE SHALL BE CLASS 4000.
4. RUBBER GASKETED JIONTS SHALL BE IN CONFORMANCE WITH ASTM
C-443.
DESIGNED: I APPROVED:
I. VANBLANKENSTEIN
DRAWN:
A. ZEA & S. NIMS
CHECKED:
P. TISSELL
CHECKED:
K. CHANG YUEN
G. FRANCO
PROJECT NO:
E00566E18
CONTRACT NO:
CXXXXXXXX
EXISTING TOP
SLAB
NEW
CONCRETE
TOP SLAB
SUPPORT
Pf�EC 72" k1,41VHOL c
3
I4
g r0/VG 24" D. /, ,S�ODL JCL 5"2�
C�rV 725-,F /rV /l✓ IWOL ,�5.
E/r v
EXISTING
REINFORCEMENT
TO REMAIN
24" O. /. e_j 111 r
f /PAL//UE E)(7 fX1,5XOiV
- TEMO//ARY 51VACIAIG TO SLPPO/;�T �8''SPOOL
&REMOY,E .QFTEf� COUPLINGS ARE TIGHTEIVED )
LIQ King County
METRO
5'TYL.� 3� �•� �Q11,9L
15 Ol�//VG i ,474 �/5 -4Z_
Fi
VELOPMENT ENGINEERING 'chael Sippo 09/11 /2024 '
S-421429 I W-421429
METRO TRANSIT CAPITAL DIVISION DATE:
RAPIDRIDE I LINE JUNE2024
RENTON SEGMENT DRAWING NO:
MANHOLE ADJUSTMENT DETAILS 1 UD.01
SHEET NO: OF
211 473