SCHEME 1 - TYPICAL SECTION THROUGH DECK MOUNTED RAILING

� Bolts & Post
1
2"
2
Pedestrian/Bicycle
Flat Washer under Head &
Plate Washer under Nuts
8"
4"
4"
Bridge Coping
112"
1
4"
2
Neoprene or Resilient Pad
Bottle-Guard (See
Curb with Ƃ"xƂ"
Detail on Sheet 2)
4"
9"
Em bed.
3"
Bars 4S
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Ɔ" Ø ASTM A307 Hex
Bars 4P
Thru-Bolt
Head Bolt with Hex
@ 1'-0" sp.
Plate Washer
Nut & Flat Washers
1'-0" Min.
Const. Joint permitted
Coping
1
2"
(Sheet 2)
SCHEME 1B - DETAILS
SCHEME 3 -
(Thru-Bolt Option)
TYPICAL SECTION THROUGH
TYPICAL SECTION THROUGH
CURB MOUNTED RAILING
SIDE MOUNTED RAILING (RETROFIT)
(Adhesive Anchor Option shown - SCHEME 1A)
Intermediate
Section
SCHEME 2 -
TYPICAL SECTION THROUGH DECK MOUNTED RAILING
3
4"
See Typical
Embedment
Bridge
M in.
2" Cover (
Typ.
)
Bolt with double Hex Nuts,
Deck Joint *
V-Groove in both faces and
top of Concrete Curb (Equally
Open Joint **
Coping (Typ.)
Edge of Approach Slab (Coping)
spaced between open joints)
Inside face of
Bridge Deck/Sidewalk
Approach Slab
Concrete Curb
Begin or End Approach Slab
PLAN
(Scheme 2 shown, other Schemes similar, Reinforcing Steel not shown for clarity)
Spacing 12" V-Groove
* 30'-0" (Maximum)
� Intermediate
5'-7" (Max.) ~ Type "B" Post Only
54" Special Height Bicycle Railing
Begin or End
Open Joint
5'-7" (Max.) ~ Type "A" Post or
Rail Field Splice Joint (Typ.)
See Detail "B", Sheet 3
Min.
Approach Slab
42" Pedestrian/Bicycle Railing
7'-3" (Max.) ~ Type "B" Post
6" Min.
Min. 6"
7" Min.
Post (Typ.)
1'-0"
� Post
� Post
Index No. 852 Railing shown,
see Contract Plans for actual
Rail Expansion Joint (Typ.)
railing continuation or termination
See Detail "B", Sheet 3
* See Structures Plans, Superstructure Sheets for actual
Type 1 - Picket Infill Panel shown
dimensions and joint orientation. Open Curb Joints at
Deck Expansion Joint locations shall match the dimension
Infill Panel Type
Varies (See Plans)
4ƃ" Max. Gap
Concrete
of the Deck Joint. For treatment of Railings on skewed
6" Max.
bridges see Index No. 420. Deck Joint at Begin Bridge
@ 70°F ***
Curb
or End Bridge shown. Deck Joint at � Pier or Intermediate
Bent similar.
** Ƃ" Intermediate Open Joints shall be provided at locations
coinciding with Ƃ" Joints for the Traffic Railing.
11:
22:
22 AM
Deck Joint *
3
4"
1
2"
Intermediate
Open Joint **
See Detail "A", Sheet
Bridge Deck/Sidewalk
top of Concrete Curb (Equally
Front Face of Backwall
spaced between open joints)
& Begin or End Bridge
*** Clear opening between adjacent pickets or panel at Rail
Min.
1'-0"
Expansion Joints, above Deck Expansion Joints with a total
Approach Slab
thermal movement greater than 4", must be reduced to 3ƀ".
ELEVATION OF INSIDE FACE OF RAILING
Silicone Sealant
(Scheme 2 shown with Post "A", other Schemes similar, Reinforcing Steel not shown for clarity)
LAST
REVISION
07/01/13
REVISIO N
6/9/2014
2 for Pre-cured
V-Groove in both faces &
DESCRIPTION:
INDEX
2015
BRIDGE PEDESTRIAN/BICYCLE RAILING
DESIGN STANDARDS
(STEEL)
(
Deck)
Ɔ" Ø ASTM A307 Hex Head
42" ~ Pedestrian/Bicycle Railing
to be removed
under Head & Nuts
SCHEME 1 -
54" ~ Special H eight Bicycle Railing
Existing railing
Railing
(See Plans)
Railing
36" ~ Steel Ped.
/Bicycle
Pedestrian/Bicycle
chamfers
(
M in.
)
48" ~ Steel Special
H eight Bicycle Railing
42" ~ Pedestrian/Bicycle Railing
54" ~ Special H eight Bicycle Railing
Hole
length
Bolt
Drilled
+3"
Core
No. 852, Steel
7"
9"
.
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Neoprene or Resilient Pad
Deck
Bridge Deck Sidewalk
1" Ø
thickness
Neoprene or Resilient Pad
WASHER DETAIL
Varies
6"
Thru-Bolt (
Option B)
Detail on Sheet 2)
THRU-BOLT PLATE
6" M in.
Bottle-Guard (See
42" ~ Pedestrian/Bicycle Railing
Pedestrian/Bicycle Railing
Adhesive Anchor (
Option A)
Index No. 852, Steel
Railing
Modified height Index
Ɖ " ℅ (Galv. Steel)
11" M in.
54" ~ Special H eight Bicycle Railing
F-Shape shown, see Plans)
(centered)
Em bed.
Schemes (Type Varies, 32"
212"
1116" Ø Hole
Traffic Railing required for all
� Bolts & Post
Index No. 852, Steel
6"
� Bolts & Post
NO.
851
SHEET
NO.
1of 3
4"
15
16"
4"
Ø Holes
for Anchor Bolts
STEEL BENDING DIAGRAMS
3"
� Bolt & Post
BILL OF REINFORCING STEEL
MARK
SIZE
P
4
2'-0"
S
4
As Reqd.
Ǝ" x 2ƈ "
LENGTH
Long Slotted Hole
D19.7 or #4 Bar (Lap
Splice Each Longitudinal Wire)
1
4"
℅ Stiffener
212" 212"
PLAN VIEW
As Reqd.
2" (Typ.)
� Bolt, Rail Post &
1 ~ Ɔ" Ø x 3" ASTM A307 Bolts with
D19.7 (Vertical)
Index No. 852 Railing
under Head and Plate Washer under Nuts
BAR 4P
WELDED WIRE
(Between WWR Sections)
REINFORCEMENT (WWR)
Fill void with
BAR 4S
non-shrink grout
1
8"
Bottle Guard
CURB REINFORCING STEEL NOTES:
6" Min.
1. All bar dimensions in the bending diagrams are out to out.
Pre-cured Silicone
2. The reinforcement for the curb on a retaining wall shall be
Sealant (4" wide)
L8 x 6 x 12"
(Typ.)
4"
(Typ.)
4. Bars 4S may be continuous or spliced at the construction joints.
2"
Bar splices for Bars 4S shall be a minimum of 1'-9".
may be used in lieu of all Bars 4P and 4S. WWR must consist of
AT INTERMEDIATE OPEN JOINT
Reinforcing Steel
LB/LF
4.01
1'-0" Min.
1
2"
Specifications Section 416 and 937.
Self Locking Hex Nuts & Flat Washers
112"
4"
4"
112"
(Max.) Weld
Termination (Typ.)
Ɔ" Ø Core
1
8"
Drilled Hole
212"
3"
212"
1
4"
3"
℅ Stiffener
7
8"
At Intermediate Open Joints, seal the lower 6" portion of the open joint with
11"
Pre-cured Silicone Sealant in accordance with Specification Section 932.
0.0124
Ɓ " ℅ Stiffener
Embedment
INTERMEDIATE JOINT SEAL NOTE:
QUANTITY
CY/LF
Cope
Material System in accordance with
DETAIL "A" - SECTION
QUANTITIES (SCHEME 2)
1
8
Bolt set with an Adhesive Bonding
Deformed wire meeting the requirements of Specification Section 931.
ESTIMATED CONCRETE CURB
1
2"
2 ~ 34" Ø x 1'-2" Headless Anchor
5. At the option of the Contractor Welded Wire Reinforcement (WWR)
Bridge Deck
1"
4"
3. All reinforcing steel at the open joints shall have a 2" minimum cover.
Thick Resilient or
Neoprene Pad (8" x 11")
~
the same as detailed for an 8" deck.
Concrete
� Bolt & Post
Angle Assembly
Self Locking Hex Nut, Flat Washer
SPLICE DETAIL
UNIT
℅
PLATE WASHER DETAIL
� L8 x 6 x 12"
4"
(Typ.)
ITEM
5
16"
Angle Assembly
10"
D19.7 (Horizontal)
(Centered)
1"
(Typ.)
10"
Lap
Ǝ " Ø Hole
D19.7 (Typ.)
1"
1'-0"
4"
9"
1'-9" Min.
378"
greater than 434" are not permitted.
218"
NOTE: Place wire panels to minimize the end overhang. End Overhangs
2"
CONVENTIONAL REINFORCING
6"
ALTERNATE REINFORCING (WELDED WIRE REINF.) DETAILS
Apply sealant prior to any Class V finish coating and remove all curing compound
and loose material from the surface prior to application of bonding agent.
SCHEME 2 - CONCRETE CURB DETAILS
ELEVATION VIEW
TYPICAL SECTION
SCHEME 3 - SIDE-MOUNTED SUPPORT BRACKET DETAILS
Bottom Rail
Bottom Rail
� Rail, Bottle-
� Rail, Bottle-Guard
Guard and Screws
and Screws
CROSS REFERENCE:
See Sheet 3 for Bridge Railing Notes.
Bottle Guard
#10 x ƅ" Pan Head
#10 x ƅ" Pan Head
Bottle Guard
Screws (18-8 SS)
Screws (18-8 SS)
1ƀ" x 1ƀ" x ƃ" �
@ 2'-0" sp.
@ 2'-0" sp.
1ƀ" x 2ƀ" x ƃ" �
Ɓ"
Ɓ"
Ɓ"
TYPICAL SECTION THROUGH BOTTOM RAIL
TYPICAL SECTION THROUGH BOTTOM RAIL
(Post Not Shown for Clarity)
(Post Not Shown for Clarity)
SCHEME 1 - BOTTLE GUARD DETAIL
SCHEME 3 - BOTTLE GUARD DETAIL
LAST
REVISION
07/01/13
REVISIO N
6/9/2014
11:
22:
24 AM
Ɓ"
DESCRIPTION:
INDEX
2015
BRIDGE PEDESTRIAN/BICYCLE RAILING
DESIGN STANDARDS
(STEEL)
NO.
851
SHEET
NO.
2 of 3
6" **
8"
6" **
6" ***
Deck Expansion Joint
6" Min.
6Ƃ"
3" Min.
Field Splice Slip Joint
3" Min.
6Ƃ"
3" Min.
Top Rail or
Handrail
BRIDGE RAILING NOTES:
Varies **** ~ Deck Expansion Joint
1
4"
(±
1
4")
~ Field Splice Slip Joint or
Posts
APPLICABILITY NOTE: Railing is limited to use on bridges with an expansion joint thermal
Set Screws *
Curb Intermediate Open Joint
2" 1"
Pickets (Typ.)
Top Rail or
6" Max. @ maximum
Handrail Section
movement
2"±
Intermediate or
movements not exceeding 5". Scheme 3 is limited to bridge retrofit applications where
additional sidewalk width is required.
Bottom Rail section
RAILING DETAILS: For Railing fabrication and installation details and notes see Index No. 852,
except that railing shall be fabricated and installed normal to the Profile Grade longitudinally
and vertical transversely, unless otherwise shown in the Contract Plans.
*
Steel Sleeve:
BOTTLE-GUARD (Schemes 1 & 3): L-Shape shall be in accordance with ASTM A36.
2.50 OD x 0.125 Wall for top rail
Round over both ends 1" NPS (Sch. 40) for handrails
Posts
of rails 18" (Typ.)
SQUARE RAILS - INTERMEDIATE OR BOTTOM RAIL
CONCRETE CURB (Scheme 2): Construct concrete curb vertical with the top surface finished
level transversely. Concrete class shall be the same as the bridge deck.
Set Screws along outside face of railing. Set screws must be
set flush against the rail surface. A Ƃ" Ø plug weld may be
substituted for the two set screws at expansion joints.
** Embedded length may be 4" for plug welded connection.
**** Expansion Joint opening shall match the clear opening in the deck joint
but not greater than 3".
Expansion Joint
1'-2"
Field Splice & Typ. Post
3"
(bottom only)
accordance with ASTM A36. Welding shall be in accordance with the American Society of
Steel Sleeve:
E60XX or E70XX. Nondestructive testing of welds is not required. The bracket shall be
1.50 OD x 0.125 Wall
hot-dip galvanized after fabrication in accordance with Specification Section 962.
for intermediate
and bottom rails
ƀ"R (Typ.)
SIDE MOUNTED SUPPORT BRACKET (Scheme 3): L-Shape and Stiffener Plate shall be in
Structural Welding Code (Steel) ANSI/AWS D1.1 (current edition). Weld metal shall be
Ƈ" Slit
~
*** Increase handrail sleeve embedment to 8" for Expansion Joint openings
greater than 2".
1'-5"
Connection
(
Typ.
)
* Ɓ" Ø x Ƃ" Pan Head Stainless Steel (Type 316 or 18-8 Alloy)
1" Slot
ROUND RAILS - TOP RAIL OR HANDRAIL
PAYMENT: Railing shall be paid per linear foot (Item No. 515-2-abb) for the steel railing
1" Picket Slot
and include the cost of support brackets (Scheme 3). Concrete and reinforcing steel quantities
(Expansion sides only)
for the concrete curb (Scheme 2), will be included in the bridge deck plan quantity pay items.
INTERMEDIATE OR BOTTOM RAIL - Steel
SLEEVE DETAIL (Bottom Side Shown)
Payment will be plan quantity measured as the length along the center line of the top rail,
and includes rails, posts, pickets, rail splice assembly, base plates, bottle-guards, anchor bolts,
nuts, washers, resilient or neoprene pads and all incidental materials and labor required to
complete installation of the railing.
LAST
REVISION
01/01/11
REVISIO N
6/9/2014
11:
22:
25 AM
DETAIL "B" EXPANSION JOINT (FIELD SPLICE SIMILAR)
DESCRIPTION:
INDEX
2015
BRIDGE PEDESTRIAN/BICYCLE RAILING
DESIGN STANDARDS
(STEEL)
NO.
851
SHEET
NO.
3 of 3