Shelly
I've searched for and read a few of your other posts
this is how you come across to me
- you have a block of land located in an area with reactive clay soil
- you want to value add by building a house on the block — good on you
- you intend selling within the minimum period allowed by the tax office to avoid capital gains tax, and the insurance company, after the house is finished — if you are living in the house during the final fitout does that period count towards the tax office's 3 months minimum occupation?
- you are so under capitalised it's not funny, remember
- the $100 toilet?
- your statement "we looked at a kit home but it's too expensive"
- readymix is too expensive, so we'll mix it ourselves
- you are using this forum to make up for lack of knowledge / experience in building — nothing at all wrong with doing so, seeking and sharing information is what brings us all together
- you are drawing your own plans or have a student working the drawing program for you — the questions you are asking would be covered on plans prepared by any competent architect-engineer pairing practicing in the area where you want to build.
- you are half expecting the local building inspector to provide you with free advice / guidance — sorry, but any good building inspector will tell you when what you have done is wrong but is unlikely to tell you how to do it right the first time. The best you are likely to get is "that bearer is too small", "there's not enough reinforcing" you will be very lucky to get "you should use a 150 x 100, F17 bearer between those piers". It's all about liability.
- you've been offered some very good advice in respect to building the piers which you haven't as yet comprehended.
- you are goind for the cheapest foundation option witout having researched the market (into which you want to sell the property) to know if a prospective buyer prefers slab on ground construction.
My considered advice to you is
• talk to a few local real estate agents to find out what sorts of houses sell quickly or easily
• find a local architect-engineer pairing familiar with your area, soils and council and PAY them to produce a set of proper plans for you that are suitable for submission to council and contain the detail you need to meet BCA (and BASIX?) requirements.
Then you will be in a position to get quotes for various aspects of the work or to commence construction yourselves.
oh, and don't skimp on survey when it comes to locating the house on the block — you don't want to get to the end and find you have to demolish it because it's too close to, or worse over, a boundary.
Lastly, I wont respond to
ian