CHECKLIST
Building Permit Application
Retaining Wall
1. For ms and S u p p o rt in g Do cu m en t s
 Building Permit Application form; either a certified BA1 form or an uncertified BA2 form. Certified means you
have engaged a private Building Surveyor to complete the relevant certificates, uncertified means the Local
Authority Building Surveyor will assess and complete the relevant certificates. The duty of the Building Surveyor is
to ensure compliance with the relevant building standards, legislative requirements, and town planning matters.
See link for forms: http://www.buildingcommission.wa.gov.au/building-approvals/forms-guides
 The Shire of Irwin Pro Forma Statement on Planning. For most building proposals, a planning approval will be
required before a building permit can be issued. The pro forma is designed to ensure planning is addressed prior
to the lodgement of a Building Permit Application, which will in turn assist in the timely processing of the building
application.
 Water Corporation Approval Stamp.
http://watercorporation.com.au/Home/Builders%20and%20developers/Building/Lodge%20a%20building%20appli
cation.
 BA20 or BA20A Form for adjoining property owner’s consent where proposed works will affect adjoining land. For
more information go to WA Building Commission website:
http://www.buildingcommission.wa.gov.au/consumers/work-affecting-other-land
2. Fe es p a yab le
 All fees are payable at the time of lodging the application.
3. Pl an s
General note: Two (2) complete sets of plans and details must be submitted with your application. All plans and
details must be legible, drawn to scale and include a title block containing lot address, page numbers, a project
title and date.
Site Plan (minimum scale 1:200)
 A feature survey indicating a permanent datum point, contours and spot levels of the project area and of any
neighbouring land immediately adjoining the project area.
 All property boundaries, boundary dimensions and existing buildings.
 The distance from the property boundaries to the proposed wall.
 Heights of wall along entire length (reference datum point using Top of Wall (TOW) and Bottom of Wall (BOW)).
 The location of any vehicle access way, driveways, or crossover located within 3 meters of the wall.
 North point
Elevations (minimum scale 1:200)
 Elevation drawings of each different section including all dimensions and natural ground levels.
4.
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

W al l Det a il s
Footing size / material.
Construction material size and arrangement.
Minimum and maximum height requirements.
General Notes:
• Where insufficient details are provided, more details may be requested by the Building Surveyor in order to
assess the structure for compliance with the provisions of the National Construction Code.
• Retaining walls over 500mm in height require both Planning Approval and a Building Permit before
construction can commence.
• If a wall is to retain over 1000mm of soil, Structural Engineer’s Certification of the system is required.
• Where Structural Engineer’s Certification is required, please supply a covering letter stating which
components of the engineer’s drawings are to be utilised during construction, or highlight the components if
supplying standard engineer’s drawings that contain variable construction methods.
Cont ac t Det ai l s:
Building Health Officer
Manager Community Safety
Ph: 9927 0000 or Email: [email protected]
Ph: 9927 0000 or Email: [email protected]
Pro Forma Statement on
PLANNING
This pro forma should be filled out and included with all applications to the Shire of Irwin for a Building Permit,
including certified and uncertified applications.
NOTE: For many building proposals in the Shire of Irwin, a planning approval is required before a building permit can be
issued. This pro forma is designed to ensure the need or otherwise for planning approval is addressed prior to the
lodgement of a Building Permit Application, which will in turn, assist in the timely processing of applications for a
Building Permit.
1. Property this application rel ates to
Address
Street No
Lot No
Street Name
Suburb/Locality
Postcode
2. Details of buildi ng work
Project name (if any)
Description of the building/s
and building work
3. Planning status
This application is made on the basis that (tick one):
1. Planning approval from the Shire of Irwin has been obtained and remains valid (Approval No.___________).
Any relevant conditions have been complied with and the plans hereby submitted correspond with the
previously approved plans.
2. The proposed building is a Single House or associated non-habitable building/structure and meets the
deemed-to-comply provisions of the R Codes and local government planning approval is not required.
NOTE: If this option is ticked, the pro forma can only be signed by a registered builder, surveyor, architect, engineer or certified practicing
planner and his or her registration number included. No further planning assessment will be conducted by the Shire.
3. A planning assessment has not been conducted and planning approval has not been granted.
NOTE: If this option is ticked, a preliminary planning assessment will need to be conducted by the Shire. If it is found that an application
for planning approval is required, the Building Permit Application will have the clock stopped until the planning application is determined.
The statutory timeframe for determining a planning application is 60 days, or 90 days if advertising is required.
Signature:
Name (Print):
Reg No:
(If box 2 ticked)
Date:
_____________________________
____________________________________
___________
__________