It's called overshadowing if you want to do some Googling. Use terms like: WA residential design rules overshadowing or similar.

At least Trumbull is gone.

Many recycling segments are ignored by the populous majority, E-waste and battery recycling being two majors. Unfortunately, most of both end up in landfill.
2020 will be an epic watershed…

Just came across this thread. This is a late answer and the OP has probably long gone but someone else may benefit so here goes...
Is any water at all going…

Well, that has surprised me. Thanks Liliana (I think).
I always thought my outer suburb was low pollutant but it shows as medium pollution despite having no heavy industry.....but then the…

That is not a charged system and you do not use metal downpipes on a charged system.
Have the downpipes been draining next to the foundations???
What is your soil classification? Not…

Forum member Building Expert is highly qualified and will know when the Victorian 10 year warranty came in. With luck, he may also know someone competent in your area or…

Victoria is 10 years for structural but I don't know how long this has been in place. Cosmetic warranty has well and truly gone by now.
Building consultants who do inspections…

Also buy a cover.

When asking about regulatory advice, you need to post your location.
As they do but regardless, you need to have a paper trail.
Was it a 'builder' from the company that…

Coverage depth depends on the type of finished surface. Did you discuss your intended finished surface with your SS?
Single dwelling:
No pavement and not subject to vehicular loading...minimum 100mm cover.
With…

How do you know the extension is encroaching? Have you had a survey done?

The requirement and regulations for rainwater tanks varies between states and even regions within States. Your situation depends on where you live and sometimes your council wikll have over-rides. There…

No such thing.

The ACCC needs to throw the proverbial book at them but oddly enough, it appears that the inclusion of Unfair Contract Terms in contracts is not defined as being illegal.…

There have been several threads that have discussed "Builder Unfair Contract Terms"...do a forum search using that term.
One thread is linked below.
viewtopic.php?f=1&t=86252
There is also a…

The BCA comprises Parts 1 & 2 of the NCC.
The BCA references Australian Standards.
The BCA is the primary document and has hierarchy over referenced AS.
The BCA is a performance based…

Just getting back to your opening question as to whether blue or green solvent cement should be used on a charged system using pvc pipes, I said that either would…

Your certifier would have only looked at the documentation, they don't check and almost certainly wouldn't know the regulations or understand hydraulics anyway.
Here in Victoria, plumbers sign off on…

They are clueless and this ain't rocket science.
Does it say who did the stormwater plan?
I have also assumed that the…

OMG
The plumber has no idea either.
I am stunned!

They can't be diverting all 12 downpipes surely!
If the overflow is at the end opposite the inflow, there won't be a way to access the overflow mesh for cleaning…

Ok, two vertical risers and two overflow pipes in total. I will assume that all 12 downpipes are being diverted to the tank but if not, you will be able…

One pipe (I assume) is the overflow and the other is a wet system pipe, do you know how many downpipes the wet system pipe services?
It looks like you are…

Are those pipes for the tank?

I would have checked that with council. I would have thought that the retained volume was all that would concern council, not the shape of the tank unless offset to…

Unfortunately, that installation is very much substandard, real amateur stuff. Do you intend paving around the slab?

If your contract was signed after 1 September 2016, the builder has acted illegally as your agent. Given that the builder has initiated action to construct the retaining wall on…

It's a wise move to engage an engineer to look at the plans, will the neighbours also make their plans available to your engineer?
Re the building surveyor and the…