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5
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If PRO. PIER i
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ELASTOIRM. 5EAKINO PAD !
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ORe. PIER I
BRG. PIER f
TEMPORARY STYAN05 PRIOR
CAST!NO DIAPHRArMS (TYP.)
STAGE I- 5ET PRECAST GIRDERS IN PLACE & GUT TEMPORARY 5TRAN05
PLACE DECK SLAB REINFORCEMENT PIER 2
AFTER CASTING 01APHRAGMS CAST LOWER PORTION
OF PIER DIAPHRAGM
I
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BOTTOM PORTION OF PIER DIAPHRAGM L V -E" ABOVE BOTTOM
SHALL NOT VE CAST UNIT!' 50 DAYS OT PRECAST GIRDERS (TYP.)
(MIN.) AFTER GIRDER FA5INCATION
STAGE 2 - CA5T DIAPHRAGMS AND PLACE DECK 5LAO REINFORCEMENT
TRAFFIC RAPPERS SHALL NOT OF CAST UNTIL THE DECK
AND INTERMEDIATE PIER DIAPHRAGM CONCRETE COMPKE551VI
5TRENGTH HAS REACHED DE51ON STRENOTH
AND ALL FAL5EWORK Hh5 SEEN
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f PIER 2
f ESP. PER a
CAST END d
MTERM60 AT£ --
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q aRG. PIER s
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� aRG. TIER a
STAGE B -CAST DECK SLAB AND P1ER DIAPHRAGM
NO" FAL5EWORK SUPPORT AFTER CONCRETE
I TOP PORTIO.Y OF THE DIAPHRAGM AND DECK
HAD BEEN IN PLACE FOR 10 DAYS AND HA5
REACHED THE RF.QUIREO OMON 5TRFNGTH
: 17M
STAGE 4 - CAST TRAFFIC BARRIERS
CON5TRUCTtON SEQUENCE - 5VPER5TRUCTURE
J. BAUMUM
P. MUMMER
Ulin
I
tlRG. PIER 3
G as
NP
Washington State
tment of Tmnsportatlon
BEARING PAD
I 495 RB4•69
1.6 TO SR 169
STAGE 2 - WIDENING
AND SR 515 INTERCHANGE
RAMP BRIDGE OVER BENSON ROAD &AC'