DOUBLE NUTS
")| (MIN.)
35 (1") | CONDUIT
(OUTLET FOR LUMINAIRE)
C
L 15.9 (
150
(6")
100
(4")
19.1 (")| DRAIN PIPE,
PLACED AT LOW END OF BOX
CAP
TYPICAL INSTALLATION OF JUNCTION BOX JB25
LOCK WASHERS (TYP.)
35 (1") - 90, LONG SWEEP ELBOW
35 (1") | CONDUIT
H.S. BOLTS WITH
400
IF REQ’D.
(1’-4")
BOX JB25
150
BOX JB25
IF REQ’D.
(6")
JUNCTION
JUNCTION
(MIN.)
SEE NOTE 5
DRILL THRU HOLES
L127x127x9.5
IN BOTH LEGS OF
(L5x5x) (MIN.)
SUPPORT ANGLE
SUPPORT ANGLE
L127x127x9.5
SLOTTED HOLES
(L5x5x) (MIN.)
5 (") MIN. CLR.
BRACKET
U-BOLT
O.D. OF CONDUIT
NOTE: ALL HARDWARE &
AS REQUIRED
STRUCTURAL STEEL
TO BE GALVANIZED.
CONDUIT HANGER
CONDUITS & FITTINGS FOR UNDERBRIDGE LIGHTING
(FOR STEEL CONDUIT ONLY)
REFER TO DESIGN DRAWINGS FOR LOCATION OF OUTLETS FOR LUMINAIRES
MOUNTING DETAIL FOR CONDUIT HANGER AS SHOWN IS A SUGGESTED METHOD FOR STEEL
STRUCTURES. DETAILS FOR PRESTRESSED BEAMS WOULD BE SIMILAR. ALTERNATIVE DETAILS
WILL BE CONSIDERED ON A CASE BY CASE BASIS. ALL DETAILS MUST BE DESIGNED FOR SPECIFIC
LOADS AND DETAILED ON SHOP DRAWINGS. DO NOT MAKE ANY ATTACHMENT TO THE UNDERSIDE OF THE DECK.
END OF
BARRIER
GUIDE RAIL (RUB RAIL NOT
SHOWN FOR CLARITY)
53 (2") | CONDUIT
(SEE NOTE 3)
200 +
-12
(8"+ " )
-
450 (1’-6")
COVER SCREWS WILL
BE BRASS OR
SHOULDER
200 +
-12
(8"+ " )
-
600
MIN. (TYP.)
(2’-0")
STAINLESS STEEL,
FLAT HEAD,
STRAIGHT SLOT
A
TRAFFIC SIDE
R=300 (12")
ICKY
450
(1’-6")
6.4 (")
BARRIER
MINIMUM
NUMBER AND
SIZE OF CONDUITS
AS REQUIRED
A
300
45
(1’-0")
12.7 (") DIA.x
40 (1") GROUNDING
STUD AND NUT
DRAIN PIPE
53 (2") | CONDUIT
CAP
600 (2’-0")
JUNCTION BOX JB25
PLAN VIEW
ELEVATION
SECTION A - A
ELEVATION
SEE NOTE 4
MIN.
(SECTION 1101 OF PUB. 408)
CONDUIT DETAILS AT ENDS OF BRIDGE
NOTES:
(6") DIA.
1. ALL DIMENSIONS ARE IN MILLIMETERS UNLESS OTHERWISE NOTED.
U.S. CUSTOMARY UNITS IN ( ) PARENTHESES.
3. FOR PROPER GROUNDING OF GALV. STEEL CONDUIT OR NON-METALLIC CONDUIT,
SEE PUB. 408 SECTION 910.
GALVANIZED
TEETH TO GRIP NEOPRENE SLEEVE
INSULATING BUSHING
EXPANSION
SAME AS OPENING IN BARRIER + 5 (1/4")
HEAD
150
STAINLESS STEEL CLAMPING BANDS
2. PROVIDE MATERIALS AND WORKMANSHIP IN ACCORDANCE WITH PUB. 408.
MOLDED NEOPRENE SLEEVE
5. BLISTER IS NOT REQUIRED FOR JUNCTION BOX JB25 WHERE BARRIER WIDTH
PROVIDES MINIMUM CONCRETE COVER OF 75 mm (3").
GALVANIZED
SILICON BRONZE COUPLINGS
GALVAZINED
STEEL OVERSIZE
GALVANIZED
STEEL CONDUIT
SLEEVE
FIXED HEAD
6. MINIMUM CENTER TO CENTER SPACING OF JUNCTION BOXES IN BRIDGE PARAPETS
53 (2") | CONDUIT
NIPPLE
53 (2") | CONDUIT
4. CONDUIT TO EXIT BARRIER ON OUTSIDE OF GUIDE RAIL POST LINE
TO AVOID DAMAGE TO CONDUIT.
TO BE 3000 (10’-0"). BOXES TO BE A MINIMUM OF 3000 (10’-0") FROM OPEN JOINT.
7. MAXIMUM NUMBER OF CONDUITS PERMITTED TO BE PLACED IN BRIDGE BARRIER
(4")
APPROX.
C
L
100
")
(3
100
APPROX.
IS FOUR. CONDUITS MUST BE STAGGERED AND AS WIDELY SPACED AS PRACTICAL.
NOTE: EITHER ALL METRIC OR ALL ENGLISH VALUES
MUST BE USED ON PLANS. METRIC AND
ENGLISH VALUES SHOWN MAY NOT BE MIXED.
C
L
COMMONWEALTH OF PENNSYLVANIA
DEPARTMENT OF TRANSPORTATION
BUREAU OF DESIGN
TINNED FLEXIBLE COPPER
BRAID BONDING JUMPER
TO GROUND CONNECTION
(NOT REQ’D FOR PVC
ON DEFLECTION FITTING.
CONDUIT WITH SEPARATE
OPENING
GROUND WIRE)
+
IN
210 (8") APPROX.
BARRIER
AS PER
DESIGN
DRAWINGS
PROVIDE TINNED COPPER BRAID
STANDARD
BONDING JUMPER WHEN REQUIRED
LENGTH OF EXPANSION FITTING
FOR GROUND CONTINUITY WHEN
(180 (7") TYPICAL
USING STEEL CONDUIT.
ELECTRICAL DETAILS
FOR 100 (4") MOVEMENT)
+
PROVIDE SLEEVE OF SUFFICIENT LENGTH
TO ACCOMMODATE MAXIMUM EXPANSION
AND CONTRACTION OF EXPANSION JOINT.
CONDUIT EXPANSION AND DEFLECTION JOINT FITTINGS
BC-739M
BRIDGE BARRIER TO GUIDE RAIL TRANSITION
BC-722M
LIGHTING POLE ANCHORAGE
REFERENCE DRAWINGS
RECOMMENDED
OCT.26, 2010
CHIEF BRIDGE ENGINEER
RECOMMENDED
OCT.26, 2010
DIRECTOR, BUREAU OF DESIGN
SHEET 1 OF 2
BC-721M
CONDUIT EXPANSION NOTES
ONE SIZE LARGER CLAMP
GIRDER OR BEAM (TYP.)
A
THAN CONDUIT SIZE TO
(SPREAD BOX BEAM SHOWN)
PERMIT TEMPERATURE
1. APPROXIMATE LENGTH OF FLEXIBLE CONDUIT IS 2 TIMES ANTICIPATED MOVEMENT OR
EXPANSION OF CONDUIT
300 (1’-0") MIN. PLUS 900 (3’-0").
2. SIZE BOX PER NEC314.
3. FOR UNDERBRIDGE LOCATIONS, BOXES CAN BE USED IF KEPT INACCESSABLE FROM GENERAL
PUBLIC AND PLACED A MIN. 3 000 (10’-0") ABOVE SURROUNDING GROUND.
CONDUIT
4. PULL BOX USE IS OPTIONAL, IF NEEDED, USE CAST IRON OR WELDED STEEL WHICH IS HOT
" WIDE HOT DIP
DIPPED GALVANIZED PER PUB.408, SECTION 1101.10.
GALV. SPACER P
L
SUBSTRUCTURE
CLAMP
CONDUIT
OPTIONAL
PULL BOX
300
CONDUIT
LIQUIDTIGHT FLEXIBLE
(1’-0")
NON-METALIC CONDUIT
B
B
FITTING
EXPANSION CLAMP
FIXED CLAMP
OVERSIZED CLAMP
FOR EXPANSION OF
CONDUIT
CONDUIT CLAMP DETAILS
PVC CONDUIT
BEAM SEAT
SURFACE MOUNTED
A
PULL BOX
50 (2")
BRIDGE
MIN.
SUPERSTRUCTURE
PLAN
LIQUIDTIGHT FLEXIBLE
NON-METALIC CONDUIT
SEE NOTE 1 FOR LENGTH.
OPTIONAL
PULL BOX
LIQUIDTIGHT FLEXIBLE
NON-METALIC CONDUIT
WEEP HOLE AT
LOW POINT
SECTION B-B
SECTION A-A
BOX USED FOR LARGER MOVEMENTS
NOTES:
EXPOSED CONDUIT CONNECTIONS
1. REFER TO PUBLICATION 408, SECTION 910.3(q) FOR GROUNDING.
2. GROUND METAL CONDUIT. PROVIDE AN AWG#4 BONDING JUMPER WHEN
AT EXPANSION JOINTS
(6") DIA.
NECESSARY FOR GROUND CONTINUITY.
STAINLESS STEEL CLAMPING BANDS
TEETH TO GRIP NEOPRENE SLEEVE
150
MOLDED NEOPRENE SLEEVE
SILICON BRONZE COUPLINGS
RUBBER
53 (2") | PVC
OR FRE CONDUIT
CONDUIT
NIPPLE
O-RING
COUPLING
53 (2") | PVC
")
(3
100
APPROX.
OR FRE CONDUIT
C
L
C
L
NOTE: EITHER ALL METRIC OR ALL ENGLISH VALUES
MUST BE USED ON PLANS. METRIC AND
ENGLISH VALUES SHOWN MAY NOT BE MIXED.
COMMONWEALTH OF PENNSYLVANIA
DEPARTMENT OF TRANSPORTATION
BUREAU OF DESIGN
OPENING
+
IN
210 (8") APPROX.
BARRIER
STANDARD
LENGTH OF EXPANSION FITTING
AS PER
ELECTRICAL DETAILS
DESIGN
DRAWINGS
OPTIONAL PVC CONDUIT EXPANSION AND
DEFLECTION JOINT FITTINGS
+
PROVIDE SLEEVE OF SUFFICIENT LENGTH
TO ACCOMMODATE MAXIMUM EXPANSION
AND CONTRACTION OF EXPANSION JOINT.
RECOMMENDED
OCT.26, 2010
CHIEF BRIDGE ENGINEER
RECOMMENDED
OCT.26, 2010
DIRECTOR, BUREAU OF DESIGN
SHEET 2 OF 2
BC-721M