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Transcript of Chapter 03 - Superstructure SECTION 04 FENCE AND ... 03 - Superstructure SECTION 04 FENCE AND...

  • OFFICE OF STRUCTURES STRUCTURAL DETAIL MANUAL

    Chapter 03 - Superstructure

    SECTION 04

    FENCE AND RAILING (SUP-FR)

  • OFFICE OF STRUCTURES STRUCTURAL DETAIL MANUAL

    Chapter 03 - Superstructure

    Section 04 Fence and Railing

    SUB-SECTION 01

    FENCING (SUP-FR(FN))

  • DATE:

    STATE HIGHWAY ADMINISTRATION

    DEPARTMENT OF TRANSPORTATION

    STATE OF MARYLAND

    SHEET OF

    APPROVAL

    *

    1 2

    2b =

    average s

    pacin

    g o

    f e

    nd

    2a =

    avera

    ge s

    pacin

    g

    of f

    lan

    kin

    g s

    pan

    s.

    Scale

    : N

    one

    EL

    EV

    AT

    ION

    - F

    EN

    CIN

    G

    All

    spacin

    gs s

    hall

    be e

    qual

    in e

    ach s

    pan, and o

    n e

    ach t

    ransit

    ion a

    rea o

    f e

    ach e

    nd p

    ost.

    Fence p

    ost

    spacin

    g s

    hould

    range f

    rom

    6-

    0

    min

    . to

    8-

    0

    max. except

    as m

    odif

    ied i

    n t

    he

    Fen

    ce s

    hall

    b

    e c

    on

    tin

    uo

    us a

    cro

    ss a

    ll

    su

    pp

    ort

    s.

    **

    bb

    *a

    aa

    a**

    **

    cc

    c

    Tra

    nsit

    ion

    Are

    a

    (ty

    p.)

    P

    ier

    P

    ier

    LAYOUT OF FENCING ON BRIDGES

    FE

    NC

    E S

    PA

    CIN

    G O

    N B

    RID

    GE

    S

    DIRECTOR

    OFFICE OF STRUCTURES

    OFFICE OF STRUCTURES

    SUP-FR(FN)-101

    SU

    PE

    R F

    EN

    CE

    /RA

    ILIN

    G.

    * FOR OFFICE USE ONLY *

    transit

    ion a

    rea d

    escrib

    ed o

    n S

    heet

    2. E

    ffort

    should

    be m

    ade t

    o m

    ake s

    pacin

    g o

    f p

    osts

    fo

    r a

    ll

    sp

    an

    s n

    early

    eq

    ual

    as p

    ossib

    le.

    A

    butm

    ent

    Jo

    int

    (ty

    p.)

    Tran

    sit

    ion

    areas s

    hall

    b

    e p

    ro

    vid

    ed

    on

    bo

    th e

    nd

    s o

    f t

    he b

    rid

    ge c

    om

    pris

    ed

    of a

    tap

    ered

    concrete

    lug a

    nd t

    hree f

    ence p

    anels

    , all

    equall

    y s

    paced a

    s s

    how

    n o

    n S

    heet

    2 o

    f 2

    .

    post

    and a

    dja

    cent

    span, w

    ith

    ex

    cep

    tio

    ns a

    s n

    ote

    d o

    n S

    heet

    2.

    This

    layout

    appli

    es t

    o 3

    4 F

    -shape p

    arapets

    , 42 F

    -shape p

    arapets

    , and p

    arapets

    wit

    h

    sid

    ew

    alk

    s.

    * GUIDE SHEET FOR PLAN DEVELOPMENT ONLY - DO NOT INCLUDE THIS SHEET IN CONTRACT PLANS *

    06/01/2005

    VERSION

    DETAIL NO.

    1.0

  • *2b = average spacing of end

    n =

    DATE:

    STATE HIGHWAY ADMINISTRATION

    DEPARTMENT OF TRANSPORTATION

    STATE OF MARYLAND

    SHEET OF

    APPROVAL

    2 2

    bb

    Joint

    *

    c

    BridgeEnd Post

    2-

    8

    A B C D E

    Scale: None

    ELEVATION - END POST TRANSITION AREA

    Notes:

    Transition areas should be provided on both ends of the bridge, comprised of a tapered concrete lug

    and three tapered fence panels, all equally spaced.

    1.

    2.

    3.

    End Post Length

    A

    B

    C

    D

    E

    L < 8-0

    8-0 < L < 12-0

    12-0 < L < 20-0

    20-0 < L < 28-0

    28-0 < L

    0

    1/2

    1 1/2

    2 1/2

    3

    2 1/2

    1 1/2

    1/2

    0

    END POST TRANSITION AREA

    **

    **

    **

    c Post

    4 equal spaces on transition

    1-0 joint location A

    4 1/2 all other joint locations

    The end of the concrete lug on both the approach and trail end shall be 2-8.

    The End Post Transition Area shall always begin at the end of the end post and be laid out in accordance

    with the following chart.

    span.

    When roadway joint falls in the middle of a tapered panel (Joint Locations B, C, and D) the first full height

    panel on the bridge shall be the average spacing of the panels in the transition area and the adjacent

    4.

    LAYOUT OF FENCING ON BRIDGES

    Bridge Expansion Joint

    DIRECTOR

    OFFICE OF STRUCTURES

    OFFICE OF STRUCTURES

    * FOR OFFICE USE ONLY *

    SU

    PE

    R F

    EN

    CE

    /RA

    ILIN

    GSUP-FR(FN)-101

    the number of full height

    panels on the end post

    Top of

    Roadway

    Roadway

    Joint

    Location

    Fence Transition

    Panels on End Post

    Fence Transition

    Panels on Bridge

    3 + (n + 1/2 ) full

    height panels

    End of

    end post

    post and adjacent span, with

    exceptions stated in Note 4.

    Location of Bridge Expansion Joint E varies depending on the

    number of full height panels on the endpost.

    * GUIDE SHEET FOR PLAN DEVELOPMENT ONLY - DO NOT INCLUDE THIS SHEET IN CONTRACT PLANS *

    DETAIL NO.

    VERSION

    06/01/2005

    1.0

  • 1

    CHAIN LINK SAFETY FENCE-NEW STRUCTURES

    GENERAL NOTES

    GENERAL NOTES

    1

    DATE:

    STATE HIGHWAY ADMINISTRATION

    DEPARTMENT OF TRANSPORTATION

    STATE OF MARYLAND

    SHEET OF

    APPROVAL

    Specifications:

    Bridge Design Specifications.

    For post spacing see pertinent structure sheets.

    is placed.

    Any defects uncovered by the inspection of welds on base plates

    and Payment:

    Latest SHA Specifications and Special Provisions for

    Materials:

    All longitudinal rails shall be parallel to top of parapet.

    All posts shall be set normal to top of parapet for roadway

    Post and rails shall be permanently positioned before fabric

    The furnishing, fabricating, erecting, etc., of all new chain

    link fence on the bridges, complete in place, will not be measured

    For Bridge items.

    for payment but all costs thereof shall be included in the Contract

    The furnishing, fabricating, erecting, etc., of all new chain

    link fence anti-climb shields, complete in place, will be measured

    grades 6% or less. For grades over 6% posts shall be set plumb.

    The chain link fence shall be true to line, taut, tight fit to top of

    Precoated longitudinal rails, if cut, shall have the cut end

    coated with PVC touch up material supplied by the manufacturer

    prior to erection.

    Construction:

    Measurement

    otherwise noted.

    PVC color for all elements of fence shall be black unless

    lump sum prices for the pertinent Chain Link Safety Fence

    pertinent Chain Link Safety Fence Anti-Climb Shield items.

    and paid for at the Contract unit prices per each for the

    additional cost to the Administration.

    and poles shall be repaired or replaced by new members at no

    parapet, with 1/2 min. to 1 max. gap, and shall comply with the best

    Epoxy grout for anchor studs in cored holes shall conform to

    902.11 (d).

    If Contractor elects to place anchor studs after placing concrete

    damage same, all holes shall be cored (not drilled) and the diameter

    of the cored holes for the anchor studs shall be 7/8 .

    parapet, newly placed rebars shall be located so that coring does not

    Threads may be rolled or cut.

    Type 430 or Type 304 stainless steel annealed, hot-finished,

    ultimate strength 70 000 psi min., 20% min. elongation.

    All plates shall be steel conforming to ASTM A 709 Grade 36.

    Anchor studs or anchor bolts shall conform to ASTM A 276,

    materials and construction. Latest AASHTO LRFD

    10-9-2007

    LR D

    VERIFIED

    FOFFICE OF STRUCTURES

    DIRECTOR

    OFFICE OF STRUCTURES

    SUP-FR(FN)-201

    SU

    PE

    R F

    EN

    CE

    /RA

    ILIN

    G

    practice for fence construction of this type.

    All posts, braces, fittings and hardware shall be PVC

    coated. Coating shall conform to 914.03 except that

    nuts, bolts and washers shall also be PVC coated

    and touched up after installation.

    Posts and rails shall conform to ASTM F-1083,

    Schedule 80. Fabric shall be 6 gauge, 2 PVC coated

    mesh conforming to 914.01.

    10/09/2007

    VERSION

    DETAIL NO.

    1.0

  • Cap

    5/8

    Typ.

    1/2

    1/2

    1 1/2

    1/2

    1/2

    c

    DETAIL A

    anchor studs or bolts.

    3

    NEW STRUCTURES

    TYPE CHAIN LINK SAFETY FENCE

    1

    3-0 and greater

    sidewalk.

    Roadway3

    -3

    1-7

    1/2

    2-6

    5/8

    Cap

    DATE:

    STATE HIGHWAY ADMINISTRATION

    DEPARTMENT OF TRANSPORTATION

    STATE OF MARYLAND

    SHEET OF

    APPROVAL

    2

    2

    2-8 R.

    6-2

    3/8

    3

    Varies 2

    Scale: 1 1/2 =1-0

    2.875 O.D. Post

    7

    7

    3

    3

    5 2

    TYPICAL SECTION

    Scale: 3/4 =1-0

    *

    *

    DIRECTOR

    OFFICE OF STRUCTURES

    OFFICE OF STRUCTURES

    4 3/4 1 1/8 1 1/8

    4 3/

    4

    1 1/8

    1 1

    /8

    4 3/4

    2 1/

    2

    2-

    8

    Varies