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Construction of a 20m x 8m sign.

Discussion in 'General Signmaking Topics' started by sjay, Nov 12, 2012.

  1. sjay

    sjay New Member

    2
    0
    0
    Nov 9, 2012
    I have a plan to build a 20m x 8m sign 3m above the ground on my land.

    I don't have much experience so I wanted to show you my design and see what your opinions are.

    I attached a draft drawing of the design.

    Materials:
    8 x 13m I-beams
    8 x horizontal brace (smaller square beam)
    8 x diagonal brace (smaller square beam)
    16 x joint (for diagonal braces to connect back pier to I-beam)
    8 x metal plate (450mm x 450mm)
    Nuts and Bolts etc

    Equipment and labor:
    Excavator
    Compactor
    Crane-truck
    Welder
    Concrete truck

    Methods:
    Drill holes in I-beams for makeshift rebar (long bolts with nuts)
    Attach long bolts through holes in I-beams using nuts
    (these will act as rebar when the concrete is poured around the I-beams to make the piers)
    Drill a hole in each corner of the metal plates
    Weld the plates to the bottoms of the I-beams

    Excavate soil for footings (8 footings at the front and 8 footings at the back for diagonal bracing)
    Compact ground for footings with a vibrating plate compactor
    Lay rebar for footings (with metal coming out vertically for pier attachment)
    (have 4 bolts coming out of the frame vertically to connect to the metal plates, or should I drill into the footings after they are formed and bolt the plates to the footings?)
    Pour concrete for footings

    Let footings dry

    For the front of the sign, weld the sign-front to the horizontal beams, and them weld the horizontal beams to the I-beams
    (Ensure that there is a cardboard cylinder around each I-beam near the metal plate end around the makeshift rebar- this is for pier formation)

    Place structure with crane truck and bolt metal plates to footings
    Connect horizontal braces from front footing location to back footing location, bracing having makeshift rebar at the ends where the piers will be poured

    Fill in dirt around the cardboard tubes
    Pour concrete into the cardboard tubes for piers

    Let piers dry

    Place vinyl or flex-face over the sign front.

    Thanks and let me know what you think.
     

    Attached Files:

    Tags:
  2. neil_se

    neil_se Member

    286
    2
    18
    Jan 21, 2012
    Qld, Australia
    Don't forget:
    - Impact assessable development application
    - Soil test, surveying, engineering plans
    - Engineering certification for welds
    - Council assessment
     
  3. sjay

    sjay New Member

    2
    0
    0
    Nov 9, 2012
    Thanks, and yes I do in Australia but I don't have much experience with anything this big.
     
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