DAT102 - Preliminary Design for a Residential Building Assessment 1

Assignment Task

Task 1 - Project design report

You are to prepare a project design report for approval by the client. Refer to the project brief for client requirements, purchaser’s requirements, district plan, climate zone and site information.

Purpose

This report is your opportunity to show the client your research, findings and the basis for your conclusions and recommendations.

Structure

Your report should follow the following broad structure and include:

• introduction and overview of project
• content and findings
• conclusions and recommendations

Content

The content of your report should include:

• the client’s requirements
• site requirements in terms of the district plan
• site services available – foul water, stormwater, water, electricity, data
• code compliance considerations, in particular:
• B Stability (3604) D Access
• G1 Personal hygiene G4 Ventilation
• G5 Interior environment G7 Natural light

Environmental factors:

Climate – Sun, wind, rain, temperature Location and orientation of the building

Design for thermal comfort – insulation, ventilation, glazing, thermal mass Climate zones – wind, exposure, earthquake, rainfall intensity

Sustainability

• Water and treatment of wastewater
• Biodiversity
• Toxicity of material

Renewable energy

• Energy-efficient appliances and lighting
• Dealing with condensation and internal moisture
• Site features
• Recommended landscaping
• Illustrations
• Membership with NZGBC

Using CAD software or drawing by hand, include the following illustrations with your report.

• Sketch of the site (site analysis drawing). As a minimum requirement, the following is to be shown:
  • legal description of the building
  • north direction
  • building location, including dimensions in metres to boundary and boundary fire ratings
  • contour levels and datum for site
  • location of services (existing and proposed)
  • excavation details (including retaining walls, if any)
  • identify vehicle crossing
  • vehicular movement inside the site

Sketch of the buildable envelope for the site (district plan requirements). As a minimum requirement, the following is to be shown:

• all exterior elevations
• overall height of dwelling
• external doors and windows with opening direction
• cladding types
• roofing types
• gutter, downpipes and vent locations
• location of construction joints

Task 2 - Preliminary drawings

Drawings

You are to prepare the following drawings for the project building using approved CAD software at a scale of 1:100 on A3 sheets:

• Part 1: Site and floor plan
• Part 2: Section
• Part 3: Elevations

Refer to the project brief for client requirements, purchaser’s requirements, district plan, climate zone and site information.

These are preliminary drawings only, for approval by your supervisor. It is important that the building geometry is correct and the spaces are labelled. It is also important that the room layout is functional and meets the brief. Select suitable lettering for the title. Show the north point, and add colour to highlight important areas. Add furniture and fixtures to render the plan.

Once marked, these drawings (with feedback from your lecturer), are effectively the approval for you to prepare the more detailed presentation drawings required for Assessments 2 and 3. For this assessment, you will be marked on the appropriateness of your design, the accuracy of drawing and compliance with the brief and regulatory information provided.

You may not be able to meet the scheduled accommodation sizes exactly, but you should endeavour to match them as closely as possible. Note that the bubble diagram provided with the project brief is not to scale or proportion.

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