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IN THE PLANS, THE
CONCRETE COVER
MEASURED FROM THE FACE OF
CONCRETE T+J THE
a
ANY REINFORCING
STEEL SHALL BE 3
INCHES AT THE BOTTOM OF
FOOTING, 2 INCHES
AT THE
GENERAL NOTE,—.).
1 . ALL MATERIALS AND WORKMANSHIP SHALL BE IN ACCORDANCE WITH THE REQUIREMENTS OF
THE WAS HI!",JGTON STATE DEPARTMENT OF TRANSPORTATION STANDARD SPECIFICATIONS FOR
ROAD, BRIDGE AND MUNICIPAL CONSTRUCTION — DATED 2004, AND AMENDMENTS.
2. THE RETAllNII"',4lG WALLS HAVE BEEN DESIGNED IN ACCORDANCE WITH THE REQUIREMENTS OF THE
AASHTO STANDARD SPECIFICATIONS FOR HIGHWAY BRIDGES SIXTEENTH EDITION -1996 AND INTERIMS
THROUGH 2000. ALL STRUCTURAL ELEMENTS HAVE BEEN DESIGNED IN ACCORDANCE ,'KITH THE
REOUIRL- MEQ a : S FOR LOAD FACTOR DESIGN. SEISMIC DESIGN OF THESE STRUCTURES HAS BF -E- N
DONE USING AN ACCELERATION COEFFICIENT OF 0.3.
3. ALL CAST -II` -PLANE CONCRETE SHALL BE CLASS 4000,
4. THE MAXIMUM DESIGN SOIL PRESSURE FOR RETAINING WALLS IS 2.0 TO 5.0 KSF DEPENDING ON
DEPTH OF BEARING STRATA.
5. UNLESS OTHERWISE
SHOWN
IN THE PLANS, THE
CONCRETE COVER
MEASURED FROM THE FACE OF
CONCRETE T+J THE
FACE OF
ANY REINFORCING
STEEL SHALL BE 3
INCHES AT THE BOTTOM OF
FOOTING, 2 INCHES
AT THE
TOP OF FOOTING,
AND 1 -1 /2 INCHES
AT ALL OTHER LOCATIONS.
6. PRECAST STlFUCTURAL EARTH WALL PANELS SHALL BE 5'x5' NOMINAL SIZE.
MALL SCHEDULE
WALL
TYPE
CONTROL ALIGNMENT
FINISH
BEGIN STATION
END STATION
1
STR JCTU, ,-..L EARTH WALL
12+20
1540+44
FRACTURE FIN WALL FINISH
ni JAIN'TITY TABULATION
ITEM
UNIT
RETAINING
WALL 1
STRUCTURE EXCAVATION CLASS B INCL. HAUL
C.Y.
107
SHORING OR EXTRA EXCAVATION CLASS B
S. F.
398
BACKF ILL FOR STRUCTURAL EARTH WALL
C.Y.
205
CONCRETE BARRIER TYPE A
L. F.
186
STR U CTU RAL EARTH WALL
S. F.
1143
U11NDERDRAIN PIPE 6 IN. DIAM.
L. F.
192
GRAVEL BACKFILL FOR DRAIN
C.Y.
40
CON STR'CTI 0N GE OTE X T ILE FOR UNDERGROUND DRANAGE
S.Y.
314
GRAVITY BLOCK i��'A,L L
S. F.
90
326813