*
*
*
~
(FOR TYPES, SEE SHEET 2 OF 3)
APPROVED MAILBOX SUPPORT
SINGLE AND DOUBLE MAILBOX MOUNT
US
UA
L
3'-6"
3'-6"
US
UA
L
DETAIL A
SINGLE MAILBOX MOUNT
STANDARD MAILBOX ATTACHMENT DETAILS
FOR BOLT SIZES SEE NOTES FOR
BOLTS
BOLTS
BOLT
ANGLE
BRACKETS
DETAIL B
DOUBLE MAILBOX MOUNT
(NOT PERMITTED FOR NO. 2 MAILBOXES)
2'-0"
BETWEEN INSTALLATIONS
2'-0" CLEAR DISTANCE
MAILBOX MOUNTS.
OF DAMAGED MULTIPLE
FOOTING FOR THE REPAIR
DETAIL OF REPLACEMENT
SEE SHEET 3 OF 3 FOR
SEE DETAIL B FOR DOUBLE MAILBOX
SEE DETAIL A FOR SINGLE MAILBOX
FRONT SIDE
MULTIPLE MAILBOX MOUNT
SIZE NO. 2 AND NO. 3 MAILBOX
SIZE NO. 1 MAILBOXSTANDARD MAILBOX ATTACHMENT DETAILS
MAILBOX INSTALLATIONS
TWO OR MORE MULTIPLE
MAILBOX INSTALLATIONS
TWO SINGLE
4'-0"
BETWEEN INSTALLALTIONS.
4'-0" CLEAR DISTANCE
BOLTS
BOLT
EACH SIDE)
ANGLE (ONE
BRACKET
BOLT
OR EQUIVALENT.
TAPCO, SHUR-TITE, NEX
SOCKET MANUFACTURED BY
AND FLUSH V-WING
FORMED TUBE SUPPORT FRAME
MINIMUM INSERTION DEPTH IS 7".
INTO V-WING SOCKET IS 9".
FORMED TUBE SUPPORT FRAME
MAXIMUM INSERTION DEPTH OF
ANGLE LEG
SOCKET
V-WING
FLUSH
BRACKET
MAILBOX
TUBE SUPPORT FRAME
2" O.D. THIN WALL FORMED
3'-6"
1'-6"
SPACE
ADJUSTABLE
BRACKET
MAILBOX
EXTENSION
BRACKET
FOR GENERAL NOTES SEE SHEET 2 OF 3.
EXTENSION HARDWARE DETAILS.
PLATE, ANGLE BRACKET AND BRACKET
SEE SHEET 3 OF 3 FOR ADAPTER
DOWN ON SIZE NO. 1 MAILBOXES.
BRACKET MAY BE INSTALLED WITH EDGE
STANDARD MAILBOX ATTACHMENTS DETAILS
FOR BOLT SIZES SEE NOTES FOR
2 FLAT WASHERS AND NUT.
" DIA. BOLT WITH83
FORMED TUBE SUPPORT FRAME.
" DIA. HOLE THROUGH167DRILL
SUPPORT FRAME
FORMED TUBE
OF VEHICLE
OF TRAVEL
DIRECTION
MAILBOX DIMENSIONS
LENGTH WIDTH HEIGHT
SIZE NO. 1
SIZE NO. 2
SIZE NO. 3
19"
21" 8"
ON MULTIPLE SUPPORT:
PERMISSIBLE NUMBER OF MAILBOXES
ALL SIZE NO. 1 5 MAXIMUM
NO. 2 OR SIZE NO. 3
WITH NO MORE THAN 2 SIZE
COMBINATION VARIOUS SIZES
4 MAXIMUM
ALL SIZE NO. 2 AND NO. 3 3 MAXIMUM
C.J.S.
10-18-1996
3-20-202020901DETAILS OF MOUNTING MAILBOXES
(SHEET 1 OF 3)
MB-209-1
WASHERS AND NUT.
BOLT HAS 2 FLAT
(2 REQUIRED) EACH
X 5" BOLT
" DIA.832 -
NUT PER EACH BOLT.
2 FLAT WASHERS, LOCK WASHER AND
" BOLT WITH21" DIA. X 28
3 2 -
ANGLE TO MAILBOX SUPPORT ATTACHMENT:
NUT PER EACH BOLT.
2 FLAT WASHERS, LOCK WASHER AND
" BOLT WITH43" DIA. X 8
3 2 -
ANGLE TO BRACKET ATTACHMENT:
WASHERS AND NUT PER EACH BOLT.
" BOLT W/2 FLAT43" DIA. X 16
3 6 -
BRACKET TO MAILBOX ATTACHMENT:
BOLT.
WASHERS, LOCK WASHER, AND NUT PER EACH
" BOLT W/2 FLAT21" DIA. X 216
3 2 -
ANGLE TO MAILBOX SUPPORT ATTACHMENT:
BOLT.
WASHERS, LOCK WASHER AND NUT PER EACH
" BOLT W/2 FLAT43" DIA. X 8
3 2 -
ANGLE TO BRACKET ATTACHMENT:
BRACKET EXTENSIONS ARE USED).
NUT PER BOLT (4 BOLTS REQUIRED IF 2
FLAT WASHER, LOCK WASHER AND
" CARRIAGE BOLT W/43" DIA. X 16
3 2 -
BRACKET TO BRACKET EXTENSION ATTACHMENT:
WASHERS AND NUT PER EACH BOLT.
" BOLT W/2 FLAT43" DIA. X 16
3 6 -
BRACKET TO MAILBOX ATTACHMENT:
"2123
"216
"2111
"218
"2110
"2113
SECTION B-B
1. Changed manufacturer information for multiple mount on 3-20-2020 by DJW.
EACH BOLT.
FLAT WASHERS AND NUT PER
" BOLT; EACH BOLT HAS 2 43
" DIA. X83ATTACHMENT, 4 -
ADAPTER PLATE TO BRACKET
TENNESSEE
FLORIDA
GulfofMexico
GEOR
GIA
MISSISSIP
PI
DEPARTMENT OF TRANS
PORT
ATI
ON
ALABAMA
OF TRANSPORTATIONALABAMA DEPARTMENT
CURRENT ALABAMA DEPARTMENT OF TRANSPORTATION
--SPECIFICATIONS--
Bureau Std Engr:
DRAWN BY:
DATE DRAWN:
DESIGN BUREAU SPECIAL DRAWING
MONTGOMERY, AL 36130-3050
1409 COLISEUM BOULEVARD
NOT TO SCALE
SPECIAL DRAWING NO INDEX NOREVISIONS:
1.D.J.W.
DRAWING MAY BE PROSECUTED TO THE FULLEST EXTENT OF THE LAW.
AUTHORIZED TO APPROVE THIS USE. ANYONE MAKING UNAUTHORIZED USE OF THIS
CONSENT OF THE ALABAMA DEPARTMENT OF TRANSPORTATION REPRESENTATIVE
OR USED BY ANYONE, OR ANY ORGANIZATION, WITHOUT THE EXPRESSED WRITTEN
DEPARTMENT OF TRANSPORTATION AND IS NOT TO BE COPIED, REPRODUCED, ALTERED,
THIS DRAWING REPRESENTS DESIGNS PREPARED FOR USE BY THE ALABAMA
REVISED DATE:
*
*
**
**
SOCKET
V-WING
FLUSH
LEG
ANGLE
SOCKET
V-WING
FLUSH
WEDGE
LEG
ANGLE
NOTE 6.
SEE GENERAL
1'-6"
MAILBOX POST
ANTI-TWIST DEVICE
OR OTHER APPROVED
ANCHOR FLANGE
BASE SOCKET
WEDGE
" O.D.872
27"
8"
6"
"218
" HOLE169
POST IF APPROVED BY ENGINEER
TO FIT 2" THIN WALL STEEL TUBE
ALL DIMENSIONS MAY BE VARIED
0.095"
"832
(2 LBS/FT)
WINGED CHANNEL POST
AS APPROVED BY THE ENGINEEER.
SHOWN ELSEWHERE ON PLANS, OR
3'-0" IN LOOSE MATERIAL, OR AS
US
UA
L610
OF OBJECT MARKER.
FACILITATE ATTACHMENT
RECOMMENDED ORIENTATION TO
OF TRAVEL
DIRECTION
OF TRAVEL
DIRECTION
OF TRAVEL
DIRECTION
DELINEATOR POST
2 LBS/FT
WOOD POST (PRESSURE TREATED)
4" DIA. OR 4" X 4"
CRUSHED STONE
3'-0"
1'-0"
GENERAL NOTES
NOTES FOR TYPE 2 SUPPORT/FOUNDATION
0.095" THIN WALL STEEL TUBING.
" O. D.83THE MAILBOX POST IS 2 4.
ASTM A-525.
THICKNESS GALVANIZED STEEL MADE TO
THE WEDGE IS FORMED FROM 11 GAUGE3.
SOILS AS DETERMINED BY THE ENGINEER.
MADE TO A-525. ONLY NEEDED FOR SOFT
12 GAUGE THICKNESS GALVANIZED STEEL
THE ANCHOR FLANGE IS FORMED FROM 2.
GALVANIZED PIPE.
" O.D. X 12 GAUGE THICKNESS872
THE BASE SOCKET IS FORMED FROM1.
TYPE 1 SUPPORT/FOUNDATION
TYPE 2 SUPPORT/FOUNDATION
FRONT SIDE
WEDGE
ANCHOR FLANGE
BASE SOCKET
MAILBOX POST
TYPE 3 SUPPORT/FOUNDATION
TYPE 4 SUPPORT/FOUNDATION
DELINEATOR POST
PRESSURE TREATED WOOD POST
THIN WALL STEEL TUBE w/ V-LOC ANCHORAGE
THIN WALL STEEL TUBE w/ANCHOR FLANGE
C.J.S.
10-18-1996
3-20-2020
2. Modified General Notes 4, 5, and 11 on 3-20-2020 by DJW.
Added Note No.11 on 2-25-2003 by J.F.T.1.
DETAILS OF MOUNTING MAILBOXES 20902(SHEET 2 OF 3)
MB-209-1
WITH THE CRASH TESTED CONDITIONS AND THE MANUFACTURER'S RECOMMENDATION.
CRASH TESTED IN ACCORDANCE WITH NCHRP REPORT 350 AND BE INSTALLED IN ACCORDANCE
OTHER PRODUCTS MAY BE USED (SEE NOTE 5). ALL PROPRIETARY PRODUCTS SUPPLIED MUST BE
FOR CLARITY, ONLY ONE PROPRIETARY MAILBOX FOUNDATION AND SUPPORT ARE SHOWN. 11.
ENGINEER AND PAID FOR AS A SUBSIDIARY REQUIREMENT OF ITEM 209-A.
LETTER CARRIER. MATERIALS FOR BOX NUMBERS SHALL BE APPROVED BY THE
APPROACH AND ON THE FRONT OF THE BOX IF REQUIRED BY THE LOCAL
LOCATED ON THE SIDE OF THE BOX VISIBLE TO THE CARRIER'S REGULAR
COLOR AND SHALL BE NEAT, 1" MINIMUM HEIGHT. BOX NUMBERS SHALL BE
REQUIRED. NUMBERS AND LETTERS SHALL BE IN A COLOR CONTRASTING THE BOX
BOX NUMBERS (AND STREET NAMES WHERE REQUIRED BY THE POSTAL SERVICE) SHALL BE10.
SPECIFICATIONS.
ALL MAILBOXES MUST BE MANUFACTURED IN ACCORDANCE WITH U. S. POSTAL SYSTEM9.
BE A SUBSIDIARY REQUIREMENT OF ITEM 209-A.
OWNER IF REQUESTED OR DISPOSED OF BY THE CONTRACTOR. DISPOSAL OF MATERIALS WILL
APPROVED BY THE ENGINEER. OTHER MATERIALS ARE TO BE RETURNED TO THE PROPERTY
THE CONTRACTOR MAY RE-USE ANY MAILBOXES OR SUPPORT MATERIALS REMOVED IF8.
ARE TO BE PAID FOR AS PART OF ITEM 209-A.
ALL MATERIALS AND WORK REQUIRED TO REMOVE AND REINSTALL MAILBOX AND SUPPORT7.
SINGLE OR DOUBLE MAILBOXES.
ANY SUPPORT OR FOUNDATION ON THESE STANDARDS MAY BE USED FOR MOUNTING6.
MANUFACTURER'S RECOMMENDATIONS AND BE PAID AS PART OF THE INSTALLATION.
EQUIVALENT. ALL PROPRIETARY HARDWARE SHALL BE IN ACCORDANCE WITH THE
ONLY. ACCEPTABLE MANUFACTURERS ARE NEX, TAPCO, SHUR-TITE OR AN APPROVED
THE MULTIPLE MAILBOX MOUNT AND TYPE I MOUNT SHOWN ARE FOR INFORMATION PURPOSES 5.
OMIT4.
REQUIREMENTS OF ALDOT SPECIFICATIONS.
THE 2 LBS/FT WINGED CHANNEL POSTS FOR THE TYPE 3 SUPPORT SHALL CONFORM TO THE3.
REPEAT CHECK, AND MAKE FINAL ADJUSTMENTS, COMPLETE INSTALLATION.
BACK, SIDE TO SIDE. MAKE ADJUSTMENTS, CONTINUE TO DRIVE AN ADDITIONAL 10-12 INCHES,
POST OR FOUNDATION ABOUT 10-12 INCHES, STOP AND CHECK FOR STRAIGHTNESS, FRONT TO
FOUNDATION AND POST MUST BE DRIVEN PLUMB. RECOMMENDED PROCEDURE IS TO DRIVE2.
BOLTS SHALL MEET ASTM DESIGNATION: A-307.
ACCORDANCE TO ASTM DESIGNATIONS: A-153, CLASS C OR D, OR B-454, CLASS 40. ALL
BOLTS, NUTS, WASHERS AND OTHER MISCELLANEOUS HARDWARE SHALL BE GALVANIED IN1.
A-123.
ACCORDANCE WITH ASTM DESIGNATION
COATING, OR GALVANIZED IN
WITH ONE MIL OF CLEAR APPROVED
ASTM DESIGNATION G-90 AND COATED
WITH EARTH MUST BE GALVANIZED TO
SUPPORT THAT ARE IN DIRECT CONTACT
ADDITION, STEEL MEMBERS OF THE
A-123, A-525, G-90 OR BETTER. IN
ACCORDANCE WITH ASTM DESIGNATION
THE UNIT SHALL BE GALVANIZED IN
AND SHALL BE CORROSION RESISTANT.
SHALL BE MADE FROM NEW MATERIAL
STEEL SUPPORT FOUNDATION UNIT 5.
" DIA.)212
(APPROX 2" TO
STEEL TUBE
THIN WALL
TENNESSEE
FLORIDA
GulfofMexico
GEOR
GIA
MISSISSIP
PI
DEPARTMENT OF TRANS
PORT
ATI
ON
ALABAMA
OF TRANSPORTATIONALABAMA DEPARTMENT
CURRENT ALABAMA DEPARTMENT OF TRANSPORTATION
--SPECIFICATIONS--
Bureau Std Engr:
DRAWN BY:
DATE DRAWN:
DESIGN BUREAU SPECIAL DRAWING
MONTGOMERY, AL 36130-3050
1409 COLISEUM BOULEVARD
NOT TO SCALE
SPECIAL DRAWING NO INDEX NOREVISIONS:
1.D.J.W.
DRAWING MAY BE PROSECUTED TO THE FULLEST EXTENT OF THE LAW.
AUTHORIZED TO APPROVE THIS USE. ANYONE MAKING UNAUTHORIZED USE OF THIS
CONSENT OF THE ALABAMA DEPARTMENT OF TRANSPORTATION REPRESENTATIVE
OR USED BY ANYONE, OR ANY ORGANIZATION, WITHOUT THE EXPRESSED WRITTEN
DEPARTMENT OF TRANSPORTATION AND IS NOT TO BE COPIED, REPRODUCED, ALTERED,
THIS DRAWING REPRESENTS DESIGNS PREPARED FOR USE BY THE ALABAMA
REVISED DATE:
120
°
120°
120°
A A
2"
1"
DETAILS OF MOUNTING MAILBOXES 20903(SHEET 3 OF 3)
MB-209-1C.J.S
10-18-1996
3-20-2020
NOT TO SCALENOT TO SCALE
1. Modified note regarding manufacturers on 3-20-2020 by DJW.
NOTES:
DESIRABLE MAILBOX TURNOUT DIMENSIONS
ANGLE
BRACKET
SIDE VIEW
PLAN VIEW
PLAN VIEW
SIDE VIEW
BRACKET EXTENSION
ADAPTER PLATEREPAIR DETAIL
DETAIL OF REPLACEMENT FOOTING
FOR REPAIR OF MULTIPLE MAILBOX MOUNT
MOUNT
TYPICAL MULTIPLE MAILBOX
FOOTING
REPLACEMENT
WEAKENED SECTION
HOLES TO CREATE
" PUNCHED833 -
SEE DETAIL "A-A"
DETAIL "A-A"
FOOTING
REPLACEMENT
EXISTING TUBING
SLIPS INSIDE
TAPERED TOP
TUBE
THICKNESS
0.06" WALL
DIAMETER,
2" NOMINAL
PUNCHED HOLES
" DIA. 83
2" O.D.
TAPERED TOP
FOOTING
REPLACEMENT
TO ACCOMODATE
1" FIELD CUT
DAMAGE
USUAL AREA OF
"4
311
"8
314
"2
117
"8
318
"4
120
SUPPORT FRAME
FORMED TUBE
DEPTH IS 7".
MINIMUM INSERTION
SOCKET IS 9"
FOOTING INTO V-WING
DEPTH OF REPLACEMENT
MAXIMUM INSERTION
BOLTS
EXISTING
REUSE
SUPPORT
DAMAGE
" .167HOLES SHALL HAVE A DIAMETER OF
15"
4"
1'
11 1"
"214 4"
1"
1"
2"
4"
1""43
"87
"21
14"
"8
3
"16
13
"4
1"
43
"41
"8
3
"21
END VIEW
"16
7
"1613
"8
3
"8
3
1"
"83
"165
"85
"8
3
"1615R= "
83
3"
6"
"16
5
"8
3
"16
13
14"
1""8
5 "43
"211
"16
92
"411
"4
33
"411 "2
14
"814 "4
11 "851
"2
11
"2
11
"8
11
"2
11
"4
12
"411 "4
11
Materials to construct turnout shall be paid for in other items of work. = FOR MAILBOX FACE OFFSET SEE TABLE ABOVE**= MAILBOXES (WIDTH VARIES)* = FOR SUGGESTED WIDTHS SEE TABLE ABOVEW
W
**
*
EDGE OF TRAVELED WAY
EDGE OF SHOULDER
EDGE OF ALL-WEATHER TURNOUT
DIRECTION OF TRAVEL
" DIA. (TYP.)83
3"
1"
"2
1
3"
TRAFFIC CONDITIONSHIGHWAY TYPE AND
6
8
10
12
> 12
0
6
8
8
10
Curbed Residential Street
ADT = AVERAGE DAILY TRAFFIC VPD = VEHICLES PER DAY
Not Applicable
FACE OF CURB
BEHIND TRAFFIC
8" TO 12"
FACE OF CURB
BEHIND TRAFFIC
6"
REDUCED TO ZERO)
THIS MAY BE
IS PROVIDED,
(IF A TURNOUT
8"
0
8" TO 12"
PREFERRED MINIMUM
TURNOUT OR USABLE SHOULDER
IS TO BE OFFSET BEHIND EDGE OF
DISTANCE ROADSIDE FACE OF MAILBOX
MAILBOX (FEET)
AVAILABLE SHOULDER AT
SURFACE OF TURNOUT OR
WIDTH OF ALL-WEATHER
PREFERRED MINIMUM
LOCK WASHER AND NUT.
W/2 FLAT WASHERS,
" BOLT 43" X 2 8
3
" DIA. HOLE83DRILL
BE GALVANIZED.
CARBON STEEL. THE UNIT SHALL
IS TO BE AISI-1008 HOT ROLLED
MATERIAL FOR THE REPAIR FOOTING
TO BE DISCARDED MAY BE REPAIRED.
PORTION OF THE FOOTING THAT IS
DAMAGE OTHER THAN TO THE
MOUNTS HAVING NO VISIBLE
ONLY DAMAGED MULTIPLE MAILBOX
NOT BE ACCEPTED.
STORAGE STAINS (WHITE RUST) WILL
THE GALVANIZED COATING OR WET
ITEMS WITH EVIDENCE OF DAMAGE TO
TO ASTM A-525 (G-90).
GALVANIZED STEEL SHEET CONFORMING
WITH ASTM A-123 OR CONSTRUCTED OF
SHALL BE FABRICATED IN ACCORDANCE
SHEET. THE ANGLE AND ADAPTER PLATE
CONSTRUCTED OF 12 GAUGE STEEL
THE ADAPTER PLATE SHALL BE
14 GAUGE THICKNESS STEEL SHEET AND
THE ANGLE SHALL BE CONSTRUCTED OF
TO ASTM A-525 (G-90).
GALVANIZED STEEL SHEET CONFORMING
SHALL BE CONSTRUCTED OF 14 GAUGE
THE BRACKET AND BRACKET EXTENSION
ENGINEER.
MAY BE USED WHEN APPROVED BY THE
TAPCO, NEX, SHUR-TITE OR EQUIVALENT
SUPPORT/ FOUNDATION FURNISHED BY
HARDWARE FOR MOUNTING MAILBOXES TO
16'-0" MIN
MIN 6'-6" 2.5:1 TAPER MIN4:1 TAPER MIN
WEATHER SHOULDERWITHOUT CURB OR ALL-RESIDENTIAL STREET ADT UNDER 100 VPDRURAL ROAD ADT = 100 TO 1,500 VPDRURAL HIGHWAY ADT = 1,500 TO 10,000 VPDRURAL HIGHWAY ADT OVER 10,000 VPDRURAL HIGHWAY
TENNESSEE
FLORIDA
GulfofMexico
GEOR
GIA
MISSISSIP
PI
DEPARTMENT OF TRANS
PORT
ATI
ON
ALABAMA
OF TRANSPORTATIONALABAMA DEPARTMENT
CURRENT ALABAMA DEPARTMENT OF TRANSPORTATION
--SPECIFICATIONS--
Bureau Std Engr:
DRAWN BY:
DATE DRAWN:
DESIGN BUREAU SPECIAL DRAWING
MONTGOMERY, AL 36130-3050
1409 COLISEUM BOULEVARD
NOT TO SCALE
SPECIAL DRAWING NO INDEX NOREVISIONS:
1.D.J.W.
DRAWING MAY BE PROSECUTED TO THE FULLEST EXTENT OF THE LAW.
AUTHORIZED TO APPROVE THIS USE. ANYONE MAKING UNAUTHORIZED USE OF THIS
CONSENT OF THE ALABAMA DEPARTMENT OF TRANSPORTATION REPRESENTATIVE
OR USED BY ANYONE, OR ANY ORGANIZATION, WITHOUT THE EXPRESSED WRITTEN
DEPARTMENT OF TRANSPORTATION AND IS NOT TO BE COPIED, REPRODUCED, ALTERED,
THIS DRAWING REPRESENTS DESIGNS PREPARED FOR USE BY THE ALABAMA
REVISED DATE: