commonwealth of pennsylvania department of
TRANSCRIPT
COMMONWEALTH OF PENNSYLVANIADEPARTMENT OF TRANSPORTATION
CHIEF BRIDGE ENGINEER
RECOMMENDEDRECOMMENDED
BUREAU OF PROJECT DELIVERY
ACTING DIR, BUR. OF PROJECT DELIVERYREFERENCE DRAWINGS
CLASSIFICATION OF EARTHWORK FOR STRUCTURES
TYPE 2 STRONG POST GUIDE RAIL
TYPE 2 WEAK POST GUIDE RAIL
BARRIER PLACEMENT AT OBSTRUCTIONS
TYPE 2 WEAK POST MEDIAN BARRIER
RC-11M
RC-52M
RC-53M
RC-54M
RC-55M
BC-736M
ITS-1201 ITS DEVICES - GENERAL
REINFORCEMENT BAR FABRICATION DETAILS
RC-58M SINGLE FACE CONCRETE BARRIER PLACEMENT AT MEDIAN PIERS
BC-745M
FROM 100'TO 200'
OVERHEAD SIGN STRUCTURES - 4 POST 4 CHORD TRUSS SPANS
BD-650M
SHEET 1 OF 4NOV. 21, 2014 NOV. 21, 2014
STANDARD
DYNAMIC MESSAGE SIGNS
TRUSS SIGN STRUCTURES
GENERAL NOTES
DESIGN CRITERIA AND
GENERAL NOTES:
ALLOWABLE ANCHOR BOLT STRESSES AASHTO 2001 SIGN SPECS. 5.17
BOLT DESIGN CRITERIA AASHTO 2001 SIGN SPECS. 5.16
COMBINED BOLT SHEAR AND TENSION 10.32.3.3.3
BOLT PRYING ACTION 10.32.3.3.2
SLIP-CRITICAL BOLT ALLOWABLE 10.32.3.2.1
ALLOWABLE BOLT STRESSES TABLE 10.32.3B
BOLT CRITERIA AASHTO HIGHWAY BRIDGES (U.N.O.)
COLUMN DESIGN (PEDESTALS) 8.15.4
TORSION ACI SECTION A.7.3*
FOOTING STABILITY REQUIREMENTS DM4 D5.5.5
DISTRIBUTION OF REINFORCEMENT 4.4.11.2.2
PRESSURES FOR ECCENTRICALLY LOADED FOOTINGS FIG. 4.4.7.1.1.1C
MINIMUM CONCRETE COVER DM4 D8.22.1*
SPACING LIMITS FOR REINFORCEMENT 8.21
MINIMUM REINF. OF FLEXURAL MEMBERS 8.17.1
SLENDERNESS OF COLUMNS 8.16.5.2
ALLOWABLE SHEAR STRESS 8.15.5.6.4
SHEAR STRESS IN FOOTINGS 8.15.5.6.2
SHEAR CAPACITY OF FOOTINGS 8.15.5.6.1
REINFORCEMENT TENSILE STRESS 8.15.2.2
ALLOWABLE BEARING STRESS 8.15.2.1.3
CONCRETE CRITERIA AASHTO HIGHWAY BRIDGES (U.N.O.)
GROUP LOADS AASHTO 2001 SIGN SPECS. 3.4
F
d
INFORMATIONAL NOTES:
CONSTRUCTION GENERAL NOTES:
DESIGN CRITERIA FOR PENNDOT DMS STRUCTURES LEGEND
(STRENGTH DESIGN AND FATIGUE DESIGN)
WIND DRAG COEFFICIENT C = 1.7 FOR DMS
DMS SIZE AND DEAD LOAD PER SUPPLIER
WIND AND 30% GUST FACTOR
EQ. C-1, WITH 80 MPH
WIND LOAD APPENDIX C, SECTION C.3,
ICE LOAD 3.7
LIVE LOAD (CATWALKS) 3.6
DEAD LOAD 3.5
LOADING AASHTO 2001 SIGN SPECS.(U.N.O.)
*
DMS: DYNAMIC MESSAGE SIGN
CVN: CHARPY V-NOTCH.
FOR STRUCTURAL CONCRETE WITH COMMENTARY (ACI 318M-99).
ACI: AMERICAN CONCRETE INSTITUTE - METRIC BUILDING CODE REQUIREMENTS
U.N.O.: UNLESS NOTED OTHERWISE
PART 4, STRUCTURES, MAY 2012 EDITION
DM4: PENNSYLVANIA DEPARTMENT OF TRANSPORTATION, DESIGN MANUAL
SPECIFICATIONS FOR HIGHWAY BRIDGES, 17TH EDITION
TRANSPORTATION OFFICIALS, STANDARD
AASHTO HIGHWAY BRIDGES: AMERICAN ASSOCIATION OF STATE HIGHWAY AND
INCLUDING INTERIMS THRU 2006
LUMINAIRES AND TRAFFIC SIGNALS, 4TH EDITION,
FOR STRUCTURAL SUPPORTS FOR HIGHWAY SIGNS,
TRANSPORTATION OFFICIALS, STANDARD SPECIFICATIONS
AASHTO 2001 SIGN SPEC: AMERICAN ASSOCIATION OF STATE HIGHWAY AND
**
**
VALIDATED BY INDEPENDENT COMPUTATIONS FOLLOWING THE DESIGN CRITERIA.
DMS DIMENSIONS. ALL DETAILING AND COMPONENT SIZING TAKEN FROM BC-745M MUST BE
FOR DETAILS NOT SHOWN SEE BC-745M, ADJUST DIMENSIONS TO ACCOMMODATE THE ACTUAL
WARRANTS FOR INSTALLATION.
USE OF GUIDE RAIL AND/OR CONCRETE BARRIER SHALL MEET APPLICABLE PENNDOT
CHAPTER 12 GUIDE RAIL, MEDIAN BARRIER AND ROADSIDE SAFETY DEVICES.
PROVIDE CRASHWORTHY BARRIER IN ACCORDANCE WITH PENNDOT PUB 13M (DM-2).
CRASHWORTHY BARRIER, SEE TABLE A, BC-745M SHEET 2.
ALL DMS SUPPORTS LOCATED WITHIN THE CLEAR ZONE MUST BE SHIELDED WITH A
CONTRACT DRAWINGS.
USE THESE STANDARDS AS A BASIS FOR THE PREPARATION OF STRUCTURE LAYOUTS AND
READ THESE NOTES BEFORE USING THESE STANDARDS.
MAXIMUM DESIGN LATERAL DISPLACEMENT 0.5"
OR L-PILE
DRILLED SHAFTS (CAISSONS): DM4 SEC.10.8, PENNDOT COM624
MINIMUM AREA IN BEARING 95%
SPREAD FOOTINGS: DM4 SEC.10.6
FOUNDATION NOTES
ONE TEST BORING SHALL BE PROVIDED AT EACH DMS FOUNDATION LOCATION.
THE CONTRACTOR.
SHALL BE PREPARED BY THE DMS MANUFACTURER'S PROFESSIONAL ENGINEER AND SUBMITTED BY
LUMINAIRES AND TRAFFIC SIGNALS AS AMENDED BY PENNDOT." THE CERTIFICATION LETTER
OF THE AASHTO "STANDARD SPECIFICATIONS FOR STRUCTURAL SUPPORTS FOR HIGHWAY SIGNS,
STRUCTURE OF THE DMS AND THE CONNECTION TO THE SIGN STRUCTURE MEET THE REQUIREMENT
REGISTERED IN THE COMMONWEALTH OF PENNSYLVANIA, CERTIFYING THAT THE INTERNAL
PROVIDE A CERTIFICATION LETTER, SIGNED AND SEALED BY A PROFESSIONAL ENGINEER
PIPE DIAMETERS SHOWN FROM 14 INCHES AND UP ARE ACTUAL DIAMETERS.
PIPE DIAMETERS SHOWN UP TO AND INCLUDING 12 INCHES ARE NOMINAL DIAMETERS.
FRACTURE CRITICAL AS GIVEN IN THE AASHTO MATERIAL SPECIFICATIONS.
PLANS BY (CVN), PROVIDE STEEL CONFORMING TO THE CVN REQUIREMENTS FOR ZONE 2, NON
STEEL MEMBER COMPONENTS REQUIRING CHARPY V-NOTCH TESTING ARE DESIGNATED ON THE
PROVIDE A MINIMUM ANCHOR BOLT EMBEDMENT LENGTH OF 20 ANCHOR BOLT DIAMETERS.
PROVIDE ANCHOR BOLT HOLES ‚" LARGER THAN BOLT DIAMETER.
PROVIDE BOLT HOLES ˆ" LARGER THAN BOLT DIAMETER.
ALL BOLT HOLES SHALL BE DRILLED.
PUB 408 UNLESS STAINLESS STEEL OR OTHERWISE INDICATED.
GALVANIZE ALL STRUCTURAL STEEL BOLTS, NUTS & WASHERS IN ACCORDANCE WITH PENNDOT
OR OF ANY DIMENSIONS NECESSARY TO PROVIDE A PROPER FOUNDATION.
SPREAD FOOTINGS OR CAISSONS MAY BE ORDERED BY THE ENGINEER TO BE AT ANY ELEVATION
DIMENSIONS ARE BASED ON A NORMAL TEMPERATURE OF 68 DEGREES F.
ALL DIMENSIONS SHOWN ARE HORIZONTAL, EXCEPT AS NOTED.
CHAMFER EXPOSED CONCRETE EDGES 1 INCH BY 1 INCH.
RAKE-FINISH ALL HORIZONTAL CONSTRUCTION JOINTS, EXCEPT AS INDICATED.
FOR CONCRETE REINFORCEMENT. DO NOT WELD REINFORCING STEEL BARS.
PROVIDE GRADE 60 REINFORCING STEEL BARS THAT MEET THE REQUIREMENTS OF ASTM A615
USE CLASS A CEMENT CONCRETE f'c = 3000 PSI IN PEDESTALS, FOOTINGS AND CAISSONS.
PROVIDE 3-INCH CONCRETE COVER ON REINFORCEMENT BARS, EXCEPT AS NOTED.
ALL DIMENSIONS ARE IN U.S. CUSTOMARY UNITS.
18.
17.
16.
15.
14.
13.
12.
11.
10.
9.
8.
7.
6.
5.
4.
3.
2.
1.
ALL FILLET WELDS SHOWN ARE MINIMUM SIZE UNLESS NOTED OTHERWISE.
EDITION; PENNDOT DESIGN MANUAL - PART 4, MAY 2012 EDITION.
(UNLESS NOTED OTHERWISE); AASHTO STANDARD SPECIFICATIONS FOR HIGHWAY BRIDGES, 17TH
LUMINAIRES AND TRAFFIC SIGNALS, 4TH EDITION, 2001, INCLUDING INTERIMS THROUGH 2006
AASHTO STANDARD SPECIFICATIONS FOR STRUCTURAL SUPPORTS FOR HIGHWAY SIGNS,
DESIGN SPECIFICATIONS:
AND TRAFFIC SIGNALS (2005).
MAINTAINENACE, AND REPAIR OF STRUCTURAL SUPPORTS FOR HIGHWAY SIGNS, LUMINARIES,
U-BOLT INSTALLATION: PER FHWA PUB GUIDELINES FOR THE INSTALLATION, INSPECTION,
AND PLATES, ANCHOR BOLTS, BOLTS: PER PENNDOT PUB 408 SECTION 1230.2(k).
PIPE BRACING, ANGLES, SHAPES,
PIPE COLUMNS & PIPE CHORDS,
PROVIDE STRUCTURAL STEEL CONFORMING TO THE FOLLOWING:
AASHTO/AWS D1.1/D1.1M:2008 FOR WELDING NOT COVERED IN AASHTO/AWS D1.5M/D1.5:2002.
FOR STRUCTURAL SUPPORTS FOR HIGHWAY SIGNS, LUMINAIRES AND TRAFFIC SIGNALS". USE
WELDING CODE AND CONTRACT SPECIAL PROVISIONS, AND AASHTO "STANDARD SPECIFICATIONS
OF THE PENNDOT PUB 408, (LET DATE EDITION), AASHTO/AWS D1.5M/D1.5:2002-BRIDGE
PROVIDE MATERIALS AND WORKMANSHIP IN ACCORDANCE WITH THE CURRENT VERSIONS
MATERIALS AND WORKMANSHIP:
PERMANENT CAMBER 10.5
ALLOWABLE DEFLECTION 10.4
SERVICEABILITY CRITERIA
MINOR ARTERIALS, COLLECTORS, OR LOCAL ROADS.
A FATIGUE IMPORTANCE FACTOR OF II MAY BE USED FOR DMS SUPPORT STRUCTURES LOCATED ON
DMS SUPPORT STRUCTURE SHALL BE DESIGNED FOR NATURAL WIND GUSTS AND TRUCK-INDUCED GUSTS.
TRUCK-INDUCED GUST 11.7.4
NATURAL WIND GUST 11.7.3
GALLOPING 11.7.1
FATIGUE IMPORTANCE FACTOR ( I = 1) 11.6
FATIGUE REQUIREMENTS (FATIGUE CATEGORY I) SECTION 11
FATIGUE CRITERIA
ALLOWABLE STRESSES FOR STRUCTURAL STEEL SECTION 5
ALLOWABLE STRESSES FOR COMBINED STEEL STRESS 5.12
ALLOWABLE STRESSES FOR BASE PLATES 5.8
ALLOWABLE STRESSES FOR DMS SUPPORTS 5.12
ALLOWABLE STRESSES FOR TUBULAR SHAPES 5.6 (TABLE 5-3) & 5.11
MAXIMUM STRESSES IN TUBULAR SHAPES APPENDIX B, TABLE B-2
SECTION PROPERTIES FOR TUBULAR SHAPES APPENDIX B, TABLE B-1
STRENGTH CRITERIA
STEEL CRITERIA AASHTO 2001 SIGN SPECS. (U.N.O.)
NOTES TO DESIGNER
NOTES TO FABRICATOR
BOTTOM DIAGONAL DIAMETER
VERTICAL DIAMETER
FRONT AND REAR DIAGONALS DIAMETER
FOOTING ELEVATION(S)
ACTUAL OFFSET(S) FROM EDGE OF SHOULDER
ACTUAL MINIMUM VERTICAL CLEAR
PANEL LENGTHS
CHORD DIAMETER
TRUSS SPACING AND CONFIGURATION
DMS HEIGHT
COLUMN BRACING
COLUMN SIZE
FRONT AND SIDE ELEVATIONS WITH THE MINIMUM INFORMATION LISTED BELOW
POUNDS OF REINFORCEMENT BARS
CLASS A CEMENT CONCRETE
CLASS 3 EXCAVATION
WEIGHT OF STEEL SIGN STRUCTURE
PROVIDE A TABLE OF QUANTITIES INCLUDING
INSTALLATION NOTES
LIFTING AND ERECTION NOTES
TRANSPORTATION NOTES
FABRICATION NOTES
GENERAL NOTES AND CONSTRUCTION NOTES, SEE SHEET 1 (AS APPLICABLE)
2. THE FOLLOWING INFORMATION MUST BE SHOWN ON THE SHOP DRAWINGS
1. PROVIDE SHOP DRAWINGS IN ACCORDANCE WITH PUBLICATION 408, SECTION 105.02(D) AND CONTRACT SPECIAL PROVISIONS
DETAILS MAY BE REQUIRED TO MEET CABLE BENDING RADIUS AND PROJECT SPECIFIC REQUIREMENTS.
CAP SIZE AND LOCATIONS ON SHOP DRAWINGS BASED ON SITE SPECIFIC REQUIREMENTS. ALTERNATE
6. PROVIDE HAND HOLE, WEATHERPROOF ENCLOSURE, AND STANDARD WEATHERPROOF SERVICE ENTRANCE
5. INDICATE THE SUPPLIER FOR CATWALK GRATING ON THE SHOP DRAWINGS.
4. TELESCOPING (SLIP-FIT) FIELD SPLICES FOR DMS SUPPORT STRUCTURES ARE PROHIBITED.
3. ALUMINUM DMS SUPPORT STRUCTURES ARE PROHIBITED.
COMPLETED CAMBER DIAGRAM
IDENTIFY ALL WELDS BY SIZE AND TYPE
SIZE AND TYPE OF PIPE CAPS
DESIGN WEIGHT OF DMS
DESIGN ECCENTRICITY
DESIGN HEIGHT
DMS AREA
DMS HEIGHT AND LENGTH
LATITUDE AND LONGITUDE OR STATION AND OFFSET OR THE CENTER OF THE COLUMNS
ECCENTRICITY
SIZE, NUMBER AND EMBEDMENT OF ANCHOR BOLTS
TOP OF PEDESTAL ELEVATION(S)
PEDESTAL HEIGHT(S)
PEDESTAL(S) LENGTH AND WIDTH(S)
FOOTING(S) LENGTH AND WIDTH(S)
TOP AND BOTTOM VERTICALS DIAMETER
MINIMUM VERTICAL CLEARANCE.
PLATFORM LOCATIONS ON CONTRACT DRAWINGS BASED ON SITE SPECIFIC REQUIREMENTS. MAINTAIN
PLATFORMS ARE LOCATED ON ONE END ONLY AT EACH DMS. IDENTIFY CATWALK AND WALK-IN ACCESS
11.ENSURE CATWALK CAN BE ACCESSIBLE FROM SHOULDER WHEN CONDITIONS PERMIT. WALK-IN ACCESS
STRUCTURES CARRYING DMS.
MEMBER SIZES ONLY; DESIGN COMPUTATION MUST BE SUBMITTED FOR ALL COMPONENTS OF SUPPORT
FOR REVIEW AND APPROVAL. THIS STANDARD AND BD-645M STANDARD MAY BE USED FOR PRELIMINARY
ENGINEER REGISTERED IN THE STATE OF PENNSYLVANIA AND SUBMITTED TO THE CHIEF BRIDGE ENGINEER
10.TRUSS SUPPORT SIGN STRUCTURES INTENDED TO CARRY DMS MUST BE DESIGNED BY A PROFESSIONAL
SUBMISSION REQUESTING APPROVAL MUST BE MADE TO THE CHIEF BRIDGE ENGINEER
9. IF NEEDED DETAILS ARE NOT FOUND IN THIS DMS TRUSS SIGN STRUCTURE STANDARD OR BC-745M A SPECIAL
OR BARRIER AND INSURE IT IS IN ACCORDANCE WITH BC-745M, SHEET 2 TABLE A
8. THE DESIGNER MUST DETAIL THE LEAST DISTANCE FROM EDGE OF PEDESTAL TO REAR OF GUIDERAIL POST
7. IDENTIFY THE PRESENCE OF GUIDERAIL, BARRIER OR PLACEMENT OUTSIDE THE CLEAR ZONE
6. IDENTIFY IF A LADDER IS REQUIRED AND LOCATE
5. IDENTIFY IF A SEPARATE DMS CABINET IS REQUIRED AND LOCATE
4. IDENTIFY IF A MAINTAINER PAD IS REQUIRED AND LOCATE
3. IDENTIFY IF AN ENCLOSURE IS REQUIRED AND SPECIFY TYPE
MINIMUM VERTICAL CLEARANCE(S) PROJECTED TO EDGE OF PAVEMENT
BOTTOM OF FOOTING ELEVATION(S)
TOP OF PEDESTAL ELEVATION(S)
IF THE STRUCTURE IS TO SUPPORT A BACK TO BACK MOUNT
ACCESS CONFIGURATION (FRONT ACCESS CATWALK OR WALK-IN)
DESIGN WEIGHT OF DMS
DESIGN ECCENTRICITY
DESIGN HEIGHT
DMS AREA
DMS HEIGHT AND LENGTH
LATITUDE AND LONGITUDE OR STATION AND OFFSET OF THE CENTER OF BOTH FOUNDATIONS
2. THE FOLLOWING INFORMATION MUST BE SHOWN ON THE CONTRACT DRAWINGS (IF APPLICABLE):
1. PREPARE CONTRACT DRAWING IN ACCORDANCE WITH PENNDOT DESIGN MANUAL PART 4, AND THESE STANDARDS
COMMONWEALTH OF PENNSYLVANIADEPARTMENT OF TRANSPORTATION
CHIEF BRIDGE ENGINEER
RECOMMENDEDRECOMMENDED
BUREAU OF PROJECT DELIVERY
ACTING DIR, BUR. OF PROJECT DELIVERY BD-650M
SHEET 2 OF 4NOV. 21, 2014 NOV. 21, 2014
STANDARD
DYNAMIC MESSAGE SIGNS
TRUSS SIGN STRUCTURES
AND FABRICATOR
NOTES TO DESIGNER
COMMONWEALTH OF PENNSYLVANIADEPARTMENT OF TRANSPORTATION
CHIEF BRIDGE ENGINEER
RECOMMENDEDRECOMMENDED
BUREAU OF PROJECT DELIVERY
ACTING DIR, BUR. OF PROJECT DELIVERY BD-650M
SHEET 3 OF 4NOV. 21, 2014 NOV. 21, 2014
STANDARD
DYNAMIC MESSAGE SIGNS
TRUSS SIGN STRUCTURES
TRUSS STRUCTURES
SAMPLE CONTRACT PLAN FOR
ITEM NO. ITEM UNIT
0000-0000
0000-0000
0000-0000
STEEL SIGN STRUCTURE
CLASS 3 EXCAVATION
CLASS A CEMENT CONCRETE
REINFORCEMENT BARS
DESIGN CRITERIA
00000000
LBS
LBS
CY
CY
1+400
END VIEW
.1L .2L .3L .4L .5L .6L .7L .8L .9L
CAMBER DIAGRAM
NOTE: PRIOR TO SHIPMENT OF TRUSS STRUCTURE TO
THE SITE, SHOP ASSEMBLE TRUSSES IN AN
UPRIGHT POSITION AND CHECK TRUSS CAMBER.
TOP VIEW
90 90
�
RO
AD
WA
Y
ELEVATION
TRAFFIC TRAFFIC
PLACE THE FOLLOWING NOTES ON CONTRACT DRAWINGS BASED ON INFORMATION OBTAINED FROM DESIGN
TABLES AS INDICATED. DESIGNER MUST PROVIDE INFORMATION IN ( ) PARENTHESES.
CO
LU
MN "
B"
CO
LU
MN "
A"
*
*
SIGN STRUCTURE
STA.
SEE PLAN SHEET FOR
SIGN STRUCTURE LOCATION
ACTUAL SPAN LENGTH =
BOTTOM OF FOOTING
EL. =
PEDESTAL TYPE (SIZE). SEE
BC-745M FOR REINFORCEMENT
REQUIREMENTS AND DETAILS.
PEDESTAL TYPE (SIZE). SEE
BC-745M FOR REINFORCEMENT
REQUIREMENTS AND DETAILS.
SEE BC-745M
BOTTOM OF FOOTING
EL.=
SEE BC-745M
TRAFFIC TRAFFIC
TOP OF PEDESTAL
EL.TOP OF PEDESTAL
EL.
.
*
*SEE BC-745M FOR CLEARANCE REQUIREMENTS.
PEDESTAL TYPE (SIZE). SEE BC-745M FOR REINFORCEMENT REQUIREMENTS AND DETAILS.
FOOTING TYPE (SIZE). SEE BC-745M FOR REINFORCEMENT REQUIREMENTS AND DETAILS.
COLUMN SIZE IS (O.D.) x (WALL THK.). SEE BC-745M FOR FABRICATION DETAILS.
COLUMN BRACING IS ST(DP)x(WT.). SEE BC-745M FOR FABRICATION DETAILS.
TRUSS CHORD A (O.D.) x (WALL THK.), TRUSS CHORD B (O.D.) x (W.THK.), AND TRUSS CHORD C
(O.D.) x (WALL THK.). SEE BC-745M FOR FABRICATION DETAILS.
1.
2.
3.
4.
5.
FRONT & REAR DIAGONALS (O.D.) x (WALL THK.) AND FRONT & REAR END VERTICALS (O.D.) x (WALL
THK.); TOP & BOTTOM DIAGONALS (O.D.) x (WALL THK.) AND TOP & BOTTOM END VERTICALS (O.D.) x
(WALL THK.). SEE BC-745M FOR FABRICATION DETAILS.
SEE BC-745M FOR ADDITIONAL FABRICATION DETAILS INCLUDING HAND HOLE, WEATHERPROOF ENCLOSURE,
AND STANDARD WEATHERPROOF SERVICE ENTRANCE CAP.
6.
7.
8.
�
**
DIST TO END
VERTICALS
=
PANEL LENGTH
= (TYP)
2'-0"
MIN.
DIST TO END
VERTICALS
=
PROVIDE HAND HOLE, WEATHERPROOF ENCLOSURE, AND STANDARD WEATHERPROOF SERVICE ENTRANCE CAP
SIZE AND LOCATIONS ON CONTRACT PLANS BASED ON SITE SPECIFIC REQUIREMENTS. ALTERNATE DETAILS
FROM BC-741M MAY BE REQUIRED TO MEET CABLE BENDING RADIUS AND PROJECT SPECIFIC REQUIREMENTS.
PLACE CAMBER DIAGRAM ON CONTRACT DRAWINGS AND SPECIFY REQUIRED CAMBER FROM DESIGN TABLE.
PROVIDE DIMENSIONS AND ELEVATIONS BASED ON ACTUAL STRUCTURE CONFIGURATION AS REQUIRED. SAMPLE
INDICATES MINIMUM REQUIRED INFORMATION WITH
PROVIDE GENERAL NOTES FROM SHEET 1 ON THE CONTRACT DRAWINGS.
PROVIDE DMS CONNECTION DETAILS ON THE CONTRACT DRAWINGS IN ACCORDANCE WITH SHEET 4.
SEE BD-645M FOR STRUCTURE COMPONENT DESIGNATIONS.
SEAL BASE PLATE TO FOUNDATION GAP WITH GALVANIZED STEEL SCREEN, •" BY •" MESH AND 0.063"
DIAMETER WIRES. SCREEN IS TO PREVENT ENTRY OF RODENTS WHILE PERMITTING DRAINAGE.
SCREEN IS TO BE REMOVABLE AND ATTACHED TO BASEPLATE WITH STAINLESS STEEL HARDWARE.
*FOR GROUND MOUNTED ENCLOSURE
SEE ITS-1201M SHEET 3.
MIN. VERT. CLR.
17'-6" MIN.
3'-6"
*
0.
59
Y
0.
81
Y
0.
95
Y
0.
31
Y
0.
95
Y
0.
81
Y
0.
59
Y
0.3
1Y
CAMBER (Y)
=
ECCENTRICITY
AS REQUIRED
CATWALKS
DEPTH FOR
ADDITIONAL
EL.
CLR. TOP OF ROADWAY
PT. OF MIN. VERT.
SHEET 7 FOR DETAILS.
(IF REQUIRED). SEE ITS-1201M
CONCRETE MAINTAINER PAD
CLR. =
ACTUAL VERT.
OR SHEET 2.)
ITS-1201M SHEET 1
(IF REQUIRED). (SEE
WEATHERPROOF ENCLOSURE
REQUIREMENTS AND DETAILS.
BC-745M FOR REINFORCEMENT
FOOTING TYPE (SIZE). SEE
� ROADWAY
COLUMN
� COLUMN "A"� COLUMN "B"
� SPLICE � SPLICE
90
(TYP)
COLUMN
EL
� STRUCTURE & DMS
DETAILS
FABRICATION
SEE BC-745M FOR
CATWALK
OR END VERTICAL
FRONT DIAGONAL
CHORDS A, B, & C
BOTTOM TRUSS
OR END VERTICAL
BOTTOM DIAGONAL
OR END VERTICAL
REAR DIAGONAL
FABRICATION DETAILS
SEE BC-745M FOR
ST (DP) x (WT).
COLUMN BRACING IS
FABRICATION DETAILS
SEE BC-745M FOR
(O.D.) x (WALL THK).
COLUMN SIZE IS
OR END VERTICAL
TOP DIAGONAL
� COLUMN
A, B, & C
CHORDS
TOP TRUSS
REQUIREMENTS AND DETAILS.
BC-745M FOR REINFORCEMENT
FOOTING TYPE (SIZE). SEE
=
DMS HEIGHT (DY)
FABRICATION DETAILS
SEE BC-745M FOR
(O.D.) x (WALL THK).
END VERTICAL
TOP AND BOTTOM
DMS CENTER OF GRAVITY
SERVICE ENTRANCE CAP
STANDARD WEATHERPROOF
PAVEMENT
EDGE OF
=
TRUSS HEIGHT
COLUMN
S
TA
AH
EA
D
STA.
� OF DMS STRUCTURE
EL.
� STRUCTURE & DMS
FABRICATION DETAILS
SEE BC-745M FOR
(O.D.) x (WALL THK.).
TRUSS CHORD C
FABRICATION DETAILS
SEE BC-745M FOR
(O.D.) x (WALL THK.).
TRUSS CHORD C
FABRICATION DETAILS
SEE BC-745M FOR
(O.D.) x (WALL THK.).
TRUSS CHORD B
FABRICATION DETAILS
SEE BC-745M FOR
(O.D.) x (WALL THK.).
TOP DIAGONAL
FABRICATION DETAILS
SEE BC-745M FOR
(O.D.) x (WALL THK.).
TRUSS CHORD A
FABRICATION DETAILS
SEE BC-745M FOR
(O.D.) x (WALL THK.).
END VERTICAL
TOP AND BOTTOM
FABRICATION DETAILS
SEE BC-745M FOR
(O.D.) x (WALL THK.).
BOTTOM DIAGONAL
FABRICATION DETAILS
SEE BC-745M FOR
(O.D.) x (WALL THK.).
TRUSS CHORD B
FABRICATION DETAILS
SEE BC-745M FOR
(O.D.) x (WALL THK.).
FRONT DIAGONAL
FABRICATION DETAILS
SEE BC-745M FOR
(O.D.) x (WALL THK.).
REAR DIAGONAL
FABRICATION DETAILS
SEE BC-745M FOR
(O.D.) x (WALL THK.).
TRUSS CHORD A
FABRICATION DETAILS
SEE BC-745M FOR
(O.D.) x (WALL THK.).
END VERTICAL
FRONT AND REAR
PAVEMENT
EDGE OF
� TRUSS
BASEPLATE
TOP OF
� COLUMN
CONDUIT
DE
SI
GN
HEI
GH
T (
H)
PAVEMENTPAVEMENT
L
VARIABLE
MEDIAN
(M) PANELS - CHORD A (M) PANELS - CHORD C(N AND P) PANELS - CHORD B
DESIGN SPAN LENGTH (L)
CO
LU
MN
HT
=
CO
LU
MN
HT
=
(
NO.)
EQ
UA
L
SP
AC
ES
=
(
NO.)
EQ
UA
L
SP
AC
ES
=
DMS LENGTH (DX) =
CO
LU
MN "
A"
CO
LU
MN "
B"
FOOTING LENGTH=
SEE BC-745M
PL
FOOTING WIDTH
FOOTING WIDTH
CLEARANCE
VARIABLE CLEARANCE
PE
DE
ST
AL
HEI
GH
T
4'-0"
2'-0"
2'-0"
MIN.
6"
6"
LUMP SUM ITEM NO.
ITEMS SHOWN FOR INFORMATION ONLY, INCLUDED IN
DESIGN WEIGHT OF DMS (W)=
DMS ECCENTRICITY =
DESIGN HEIGHT (H)=
DESIGN DMS HEIGHT (DY)=
DESIGN DMS LENGTH (DX)=
DESIGN DMS AREA (A)=
LONGITUDE
OR
LATITUDE
STATION OFFSET
OR STATION AND OFFSET.
PROVIDE EITHER LATITUDE/LONGITUDE
TABLE OF ESTIMATED QUANTITIES
QUANTITY
ALIGN WITH
BACK OF ANGLE
PROVIDE 1 AT ‚", 3 AT „"
AND 1 AT ˆ" THICKNESS FOR EACH
UPPER SIGN SUPPORT CONNECTION ANGLE.
COMMONWEALTH OF PENNSYLVANIADEPARTMENT OF TRANSPORTATION
CHIEF BRIDGE ENGINEER
RECOMMENDEDRECOMMENDED
BUREAU OF PROJECT DELIVERY
ACTING DIR, BUR. OF PROJECT DELIVERY BD-650M
SHEET 4 OF 4NOV. 21, 2014 NOV. 21, 2014
STANDARD
DYNAMIC MESSAGE SIGNS
TRUSS SIGN STRUCTURES
DMS ATTACHMENT DETAILS
A
A
D
C C
FABRICATOR
SIGN STRUCTUREDMS
SUPPLIER
B
B
FABRICATOR
SIGN STRUCTUREDMS
SUPPLIER
1/
2
SP
ACI
NG
1/
2
SP
ACI
NG
3/8"
PANEL CONNECTION
PANEL CONNECTION DETAIL
VIEW C-C
VIEW B-B
VIEW D-D
VIEW A-A
ALTERNATE PANEL CONNECTION DETAILS
TR
UT
O.
D.
+
3/
4"
1.
2.
3.
4.
5.
6.
7.
D
SHIM DETAIL
NOTE:
SHIM AS REQUIRED
BETWEEN ANGLE AND TOP
OF CHORD TO PROVIDE
TIGHT FIT. (SEE SHIM
DETAIL THIS SHEET)
MINIMUM SIZE OF SIGN SUPPORT BRACKET IS W6x15. LARGER SIGN
SUPPORTS MAY BE REQUIRED TO PROVIDE CLEARANCE BETWEEN
HORIZONTAL Z-BRACKETS AND COLUMN.
HORIZONTAL Z-BRACKETS SHALL BE MADE OF ALUMINUM ALLOY
6061-T6 OR AS APPROVED BY THE CHIEF BRIDGE ENGINEER AND
SHALL BE A MINIMUM OF‚" THICK.
CONNECTION DETAILS PROVIDED ON THIS SHEET HAVE BEEN
DESIGNED BASED ON THE FOLLOWING DMS ASSUMPTIONS:
MAXIMUM DEAD LOAD 6000 LBS
MAXIMUM ECCENTRICITY 5'-0"
MAXIMUM LENGTH (DX) 30'-0"
MAXIMUM HEIGHT (DY) 10'-0"
MAXIMUM DEPTH 4'-0"
DESIGN CALCULATIONS ARE REQUIRED FOR DEVIATIONS TO THESE
ASSUMPTIONS.
ALTERNATE CONNECTION DETAILS ARE PERMITTED, BUT REQUIRE
CALCULATIONS PREPARED BY A PROFESSIONAL ENGINEER REGISTERED
IN THE COMMONWEALTH OF PENNSYLVANIA AND VERIFIED BY A
SECONDARY INDEPENDENT PROFESSIONAL ENGINEER REGISTERED IN
THE COMMONWEALTH OF PENNSYLVANIA. THE DMS MANUFACTURER IS
RESPONSIBLE FOR PROVIDING THESE CALCULATIONS AND HAVING
THEM SIGNED AND SEALED BY BOTH THE PROFESSIONAL ENGINEERS.
DETAILS PROVIDED ARE THE MINIMUM REQUIREMENTS. ANY
DEVIATIONS REQUIRE SPECIAL DESIGN.
FIELD WELDED DMS CONNECTIONS ARE NOT PERMITTED.
USE OF 3RD Z-BRACKET IS BASED ON PROJECT AND WIND LOADING
REQUIREMENTS. MOUNTING CALCULATIONS TO BE COMPLETED TO
AASHTO STANDARDS (SPECIFICATIONS FOR STRUCTURAL SUPPORTS
FOR HIGHWAY SIGNS, LUMINARIES AND TRAFFIC SIGNALS, 4TH
EDITION, 2001, INCLUDING INTERIMS THROUGH 2006) AND
SUBMITTED BY THE FABRICATOR.
ECCENTRICITY
(SEE DETAIL)
PANEL CONNECTION
ALTERNATE CONNECTION PERMITTED (SEE NOTE 4)
Z-BRACKET CONNECTION SHOWN (SEE NOTE 2)
DMS
� STRUCTURE
� SIGN SUPPORT BRACKET
DMS
DMS
ANGLE CENTER OF GRAVITY
� SIGN SUPPORT BRACKET &
Z-BRACKET
� DMS PANEL ASSEMBLY
� DMS
BRACKET (TYP.)
SIGN SUPPORT
BRACKET (TYP)
SIGN SUPPORT
OF GRAVITY
DMS CENTER
� DMS
� SIGN SUPPORT BRACKET
BRACKET (TYP)
SIGN SUPPORT
(SEE NOTE 1)
BRACKET (TYP.)
SIGN SUPPORT
DESIGN REQUIREMENTS
MEMBER AS PER DMS SUPPLIER'S STRUCTURAL
ATTACHED TO INTERNAL CABINET STRUCTURAL
1/2" DIA. A325 BOLTS
2 PER CONNECTION (MINIMUM)
1/2" DIA. A325 BOLT (TYP)
L 3 1/2" x 3 1/2" x 3/8"
L 3 1/2" x 3 1/2" x 3/8"
L 3 1/2" x 3 1/2" x 3/8"
LOCK NUTS AND STANDARD WASHERS
5/8" DIA. U-BOLT WITH
STANDARD WASHERS
LOCK NUTS AND
U-BOLT WITH
5/8" DIA.
STANDARD WASHERS
LOCK NUTS AND
U-BOLT WITH
5/8" DIA.
AND STANDARD WASHERS
5/8" DIA. U-BOLT WITH LOCK NUTS
(ALUMINUM) (REQUIRED)
Z-BRACKET (TYP)
(ALUMINUM) (REQUIRED)
Z-BRACKET (TYP)
BOLT (TYP) (MIN)
•" A325
(ALUMINUM) (SEE NOTE 7)
Z-BRACKET (3RD) (TYP)
(SEE NOTE 1)
BRACKET (TYP.)
SIGN SUPPORT
� CHORD� CHORD
� CHORD� CHORD
� CHORD
� CHORD
� CHORD
DMS LENGTH (DX)
DM
S
HEI
GH
T (
DY)
1'-0"
MAX.
3'-
0"
MA
X.
5'-0"
MAX.
1 1/2"
(TYP.)
MA
X.
SP
ACI
NG
4'-
0"
3"
(MAX.)
•x CHORD O.D.
+ 1•"
CH
OR
D
SP
ACI
NG
CH
OR
D
SP
ACI
NG
•x CHORD O.D.