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TOP OF FOUNDATION LEVEL W/ GROUNDING CONDUCTOR NON- TOP OF FOUNDATION LEVEL W/ GROUNDING CONDUCTOR NON- NOTES
INSULATED #4 AWG STRANDED SIDEWALK OR ABOVE SOIL SURFACE - INSULATED #4 AWG STRANDED
SIDEWALK OR ABOVE SOIL SURFACE
SEE STANDARD PLAN J-26.15 COPPER - PROVIDE 3' MIN. SLACK SEE STANDARD PLAN SOIL COPPER -- PROVIDE 3' MIN. SLACK 1. This structure has been designed according to the Fifth
(ROUTE CONDUCTOR TO GROUNDING 5 SIGNAL POLE (ROUTE CONDUCTOR TO GROUNDING Edition 2009 AASHTO Standard Specifications for
FOR PLACEMENT DETAILS SIGNAL POLE STUD) FOR PLACEMENT DETAILS STUD) Structural Supports for Highway Signs, Luminaires and
x CONDUIT COUPLING - INSTALL FLUSH '; CONDUIT COUPLING - INSTALL FLUSH Traffic Signals. Basic wind velocity is 90 mph, Design
Q WITH TOP OF FOUNDATION DO NOT GROUT W / 3/8" (IN WITH TOP OF FOUNDATION DO NOT
< GROUT W / 3/8" 1 ( _J DRAIN HOL� 1 ( Life/Recurrence Interval 50 years, and Fatigue Category III.
GLUE PVC STUBOUT) _ U GLUE PVC STUBOUT)
DRAIN HOLE N N ! 2. Foundations are designed for Type II, III, and SD Signal
N i N i Standards with a maximum mast arm length of 65'.
EARTH EMBANKMENT EARTH EMBANKMENT
-- --- - EA REQUIRED _ AS REQUIRED SEE 3. Foundations are designed for Single Mast Arm Standards
II �o .X Q PLACEMENT DETAILS w - II II co _ Q PLACEMENT DETAILS and Double Mast Arm Standards with 900 between arms.
o II ii Q� 0 n , '�I II Special foundation design is required for Double Arm
p iv 2 II I �I EXISTING GRADE 0 UO N 2 I it EXISTING GRADE Standards where the angle between mast arms is other
_ Q o _,L II _ Of Q _�+ - II 2 than 900. For Double Mast Arm Standards with 900
a w w II it 2 1 MAX. a ° a- o II II 1 MAX. between arms, use larger XYZ value for foundation depth
o _ W W II GROUND SLOPE W a ? O GROUND SLOPE selection.
CEO J I II z�-� II
o U) > v I I ANCHOR BOLTS & ANCHOR zz Q ANCHOR BOLTS & ANCHOR 4. Foundations not within the parameters of this standard
" Q L - - PLATE SUPPLIED BY SIGNAL w U) � 5 - _ PLATE SUPPLIED BY SIGNAL require Special Design. Contact the WSDOT Bridge and
of c�-� �W0 q p g 9
0 w o Q #4 HOOPS POLE MANUFACTURER 0 H 1 " LIMITS OF EXCAVATION POLE MANUFACTURER
@ o � 0 Structures Office through the Engineer for Special
w w D � 1' - 0" CENTERS J w U J O (TYP.) 8- #8 BARS Foundation Designs.
m v 0 8- #8 BARS m w w #4 HOOPS @ EVENLY SPACED
Q z Z EVENLY SPACED 3 CLR. 5. Where a foundation is constructed within a Media Filter
� p Q � � w � 1' - 0" CENTERS I
w c� O w (TYP.) Drain, the foundation depth shown in the Contract Plans
�,� w U
L ti Z M
a o 3" CLR. shall be increased by the depth of the Media Filter Drain.
U (TYP.) 0 U j
U — CORRUGATED METAL PIPE 6. The top 2 feet of the foundation shall use a smooth form
(such as paper or cardboard). After the concrete has
3'- 0" SQUARE 1' - 0" 3'- 0" OR 4' - 0" UNDISTURBED EARTH cured, this entire form shall be removed.
w UNDISTURBED
0 OR ROUND EARTH MIN. ROUND (TYP.)
o OR 4' - 0" ROUND (TYP.) 7. For design parameters between the values listed in Table,
z FOUNDATION REINFORCEMENT DETAIL FOUNDATION REINFORCEMENT AND BACKFILL DETAIL depth requirements may be interpolated between the
w CONCRETE CAST DIRECTLY AGAINST UNDISTURBED EARTH, DRILLED SHAFT O5 CONCRETE CAST WITHIN A CORRUGATED METAL PIPE STAY -IN -PLACE FORM values provided.
ALTERNATE # 1 ALTERNATE # 2 8. Install Signal Foundation Identification Tag. See
O CONDUIT SIZE AND QUANTITY AS SHOWN IN THE CONTRACT; CAP BOTH ENDS. O3 PAPER OR CARDBOARD FORM SHALL NOT STAY -IN -PLACE Standard Plan J-26.15 for details.
o ALTERNATE #2 -CONSTRUCTION METHOD
OCLAMP CONDUCTOR TO STEEL REINFORCING WITH LISTED CONNECTOR
SUITABLE FOR USE EMBEDDED IN CONCRETE O SEE NOTE 5 METAL (SUBSURFACE) FORM REQUIRED
FOUNDATION DEPTH "D" TABLE
ALTERNATE # 1 DRILLED SHAFT -TYPE CONSTRUCTION
FOR LATERAL BEARING PRESSURE = 2500 PSF & O = 34°, 1500 PSF & O = 28°, 1000 PSF & O = 26°
GROUND SLOPE = 3H : 1V OR FLATTER
GROUND SLOPE = GREATER THAN 3H : 1V TO 2H : 1V
ALLOWABLE LATERAL
BEARING PRESSURE
FOUNDATION
TYPE
XYZ (FT-)
ALLOWABLE LATERAL
BEARING PRESSURE
FOUNDATION
TYPE
XYZ (FT-)
700
900
1350
1500
1900
2300
2600
3000
700
1 900
1350
1500
1900
2300
2600
3000
1000 PSF
3'- 0" ROUND
10' - 0"
10' - 0"
11' - 0"
1 V - 0"
15' - 0"
18' - 0"
20' - 0"
20, - 0"
1000 PSF
T - 0" ROUND
SPECIAL FOUNDATION TYPE
3'- 0" SQUARE
8'- 0"
8' - 0"
9' - 0"
9' - 0"
10' - 0"
11' - 0"
12' - 0"
12' - 0"
3'- 0" SQUARE
SPECIAL FOUNDATION TYPE
4'-0"ROUND
8'-0"
8'-0"
9'-0"
9'-0"
10'-0"
11'-0"
12'-0"
12'-0"
4'-0"ROUND
SPECIAL FOUNDATION
TYPE
1500 PSF
3'-0"ROUND
8'-0"
8'-0"
9'-0"
11'-0"
13'-0"
15'-0"
18'-0"
1 18'-0',
1500 PSF
T-0"ROUND
11'-0"
11'-0"
12'-0"
14'-0"
16'-0"
18'-0"
21'-0"
21,-0"
3'-0"SQUARE
7'-0"
7'-0"
7'-0"
8'-0"
8'-0"
9'-0"
10'-0"
10'-0"
3'-0"SQUARE
10'-0"
10'-0"
10'-0"
11'-0"
1V-0"
12'-0"
13'-0"
13'-0"
4'-0"ROUND
7'-0"
7'-0"
7'-0"
8'-0"
8'-0"
9'-0"
10'-0"
10'-0"
4'-0"ROUND
10'-0"
10'-0"
10'-0"
11'-0"
11'-0"
12'-0"
13'-0"
13'-0"
2500 PSF
OR GREATER
3'-0"ROUND
6'-0"
6'-0"
7'-0"
8'-0"
9'-0"
11'-0"
15'-0"
15'-0"
2500 PSF
OR GREATER
1
T-0"ROUND
9'-0"
9'-0"
10'-0"
12'-0"
12'-0"
14'-0"
18'-0"
18'-0"
3'- 0"
6'-0"
6' -0"
6'-0"
6'-0"
7'-0"
7'-0"
8'-0"
8'-0"
3'-0"SQUARE
9'-0"
9'-0"
9'-0"
9'-0"
10'-0"
10'-0"
11'-0"
11'-0"
4'-0"ROUND
6'-0"
6'-0"
6'-0"
6'-0"
7'-0"
7'-0"
1 8'-0"
1 8'-0"
4'-0"ROUND
9'-0"
9'-0"
9'-0"
9'-0"
10'-0"
10'-0"
11'-0"
11'-0"
ALTERNATE # 2 CORRUGATED METAL PIPE TYPE CONSTRUCTION
FOR LATERAL BEARING PRESSURE = 2500 PSF & 0 = 23°, 1500 PSF & O = 18°, 1000 PSF & O = 17'
GROUND SLOPE = 3H : 1V OR FLATTER
GROUND SLOPE = GREATER THAN 3H : 1V TO 2H : 1V
ALLOWABLE LATERAL
BEARING PRESSURE
FOUNDATION
TYPE
XYZ (FT-)
ALLOWABLE LATERAL
BEARING PRESSURE
FOUNDATION
TYPE
XYZ (FT-)
700
900
1350
1500
1900
2300
2600
3000
700
1 900
1 1350
1500
1900
1 2300
2600
3000
1000 PSF
3'- 0" ROUND
10' - 0"
10' - 0"
11' - 0"
15' - 0"
20' - 0"
25' - 0"
28' - 0"
28' - 0"
1000 PSF
T - 0" ROUND
SPECIAL FOUNDATION TYPE
4'-0"ROUND
8'-0"
8'-0"
9'-0"
12'-0"
13'-0"
14'-0"
15'-0"
15'-0"
4'-0"ROUND
SPECIAL FOUNDATION
TYPE
1500 PSF
3'-0"ROUND
8'-0"
8'-0"
11'-0"
15'-0"
18-0"
21'-0"
25'-0"
25'-0"
1500 PSF
T-0"ROUND
11'-0"
11'-0"
14'-0"
18'-0"
21'-0"
24'-0"
28'-0"
23'-0"
4'-0"ROUND
7'-0"
7'-0"
7'-0"
1 8'-0"
10'-0"
13'-0"
15'-0"
15'-0"
4'-0"ROUND
10'-0"
10'-0"
10'-0"
11'-0"
13'-0"
16-0"
18'-0"
18'-0"
2500 PSF
OR GREATER
3'-0"ROUND
6'-0"
6'-0"
7'-0"
1V-0"
13'-0"
18'-0"
20'-0"
20'-0"
2500 PSF
OR GREATER
3'-0"ROUND
9'-0"
9'-0"
10'-0"
14'-0"
16'-0"
21'-0"
23'-0"
23'-0"
4'-0"ROUND
6'-0"
6'-0"
6'-0"
6'-0"
7'-0',
9'-0,,
9'-0,,
9'-0,,
4'-0"ROUND
9'-0"
1 9'-0"
9'-0"
9'-0"
1 10'-0"
1 12'-0"
12'-0"
12'-0"
When the existing soil will not retain a vertical face, over -excavate the found-
ation area and install a 36" or 48" diameter corrugated metal (pipe) form.
The top of the corrugated metal form shall terminate 1 foot below final grade.
Continue forming to full height using paper or cardboard form to achieve a
smooth finish on final exposed cement concrete. Support the form as
necessary to remain plumb.
Place the concrete foundation.
After concrete has cured, remove the
entire paper or cardboard form portion.
(j) Shoring or Extra Excavation as re-
quired. Excavated area shall be
backfilled with Controlled -Density
Fill (CDF), or with soil in accord-
ance with Standard Specifi-
cation Section 8-20.3(2)
and Compaction Method 1
of Standard Specification
Section 2-09.3(1)E. cosign
TRAFFIC SIGNAL STANDARD
FOUNDATION
STANDARD PLAN J-26.10-03
SHEET 1 OF 1 SHEET
APPROVED FOR PUBLICATION
Carpenter, Jeff
Jul 212016 827 AM
STATE DESIGN ENGINEER
Adw MAP Washington State Department of Transportation
T-404361
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SHEET:57/SIG-13
OF: 70
JOB NO.: 17534
DWG: DETS-PDFS-SH 34