Solar Passive Custom House Build - Perth WA Australia

Yes, it’s a beautiful site…

Funny, but I was thinking wether any work would get done on the weekend and to my shock…the roof was done and dusted on Saturday afternoon.

I talked to my neighbor and he said there was a team of around 5 or 6 work from around 8am till 1pm to get the colorbond roofing on! wow, that amazingly quick. I’m impressed. It looks great

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Insulation + Solar HWS Rebate withdrawn…

The Australian government today announced that the Insulation Rebate and also the SHW system rebate would be stopped immediately. This is due to multiple deaths associated with the insulation rebate due to shonky workmanship and not enough training and check put in place by the government.

http://www.environment.gov.au/minister/garrett/2010/mr20100219.html

http://www.environment.gov.au/energyefficiency/solarhotwater/index.html

Now we added a variation to our contract to get a Solar HWS installed and with the rebates it is coming to around $1000, but we have not filled in the forms for the rebate. From the web site information, as long as the unit has been ordered before the 19th of Feb we are OK and can receive the whole rebate of $1600. I have check with our CRO (Customer Relationship Officer) and she has confirmed that they have already ordered the unit which is great! Phewww.

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Gutters..on..

The gutters and colorbond roof sheeting (Surf Mist in color) were delivered yesterday..I didn’t expect the gutters to be attached to the house the next day, but I was surprised. See for yourself!

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Gas, Water and Electrical wiring – Done

It looks like a lot of work has been going on. The Gas has been run, the electrical is in and so are the water pipes. They did miss some chasing to the OPL area for a power point and another gas point but I have advised Ventura and it will get done. The Sensor wire for the Solar Hot Water system has also been put in.

Gas Lines are yellow..
Water pipes are grey..

I remember water pipes used to be copper, now they are grey plastic. I say it’s a good idea, as they don’t corrode.

Our Customer Relations Officer called us today to tell us we also needed another Meter Box for the Gas as the gas pressure in our area is too low and they need a bigger box. They said they can’t take out the current one and replace it, but rather put another on in. I’m a bit annoyed about this, but it is hidden away so it’s not that bad.

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Solar Passive Design Information/Reading..

Here are some useful links for Solar Passive Design ideas I have tried to use in the build of our home. I hope they come in handy for you!

http://www.yourhome.gov.au/technical/ – Your Home Technical Manual

http://www.clean.energy.wa.gov.au – Government of WA – Office of Energy

http://www.designingforclimate.com.au – Think Brick – Climate Design Wizard

http://www.ecospecifier.org/knowledge_base/technical_guides – Ecospecifier Technical Guides

http://www.homeone.com.au – Australian Home Forum – very useful – full of info.

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Sarking vs. Concertina Foil Batts

Well we had previously looked at getting Sarking under the roof to reduce radiant heat penetrating the house (97% radiant heat reduction), but this came out being to expensive with the builder…around $4K! I have in the meantime been investigating other options and I have found “Concertina Foil Batts”.

It is an interesting product and is easy to retro-fit, by just laying it ontop of the insulation batts. Roof trusses are still exposed so you are able to walk on the timber if you need to do any kind of work in the ceiling. The technical specs are equivilent to sarking by reducing 97% of radiant heat downward flow.

With all the news coverage in regards to foil insulation (Government Insulation Rebate $1200),  I’m concerned in terms of installation and electrocution! Talking with the company they have said that most incidents have occurred in QLD where the electrical work has been shody and installers have used staples to fasten the foil insulation into the beams. In the cases where the people have been electrocuted has been when they have stapled through live wires. Concertina bats are just laid ontop of the insulation batts without stapling…mmmm..still considering what I should do!

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Roof Construction – Day 3

Looks like the roofies have finished the job. Although I have noticed that the alfresco ceiling timber are incorrect. They should be at 32 corse, not 28. I have advised the supervisor and it is getting fixed!

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Roof Construction – Day 2

Enjoy:

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Roof Construction – Day 1

The roofies has started work…the trusses laying ontop of the brickwork have been completed.

The good news is that the wall has also been fixed. It is now straight. It seems that they didn’t knock down the whole wall, so I’m unsure of how they actually straightened it out! Maybe they placed select bricks in order to do this?!

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Roof timbers have been delivered

Arrived at site and great news! The roof timbers have been delivered. If scheduling is correct I would expect the roofing work to start tommorow!

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