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19th May 2008, 12:19 PM
Thread: Big change's a comin' - SOON
by DvdHntr- Replies
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Where is the Structural Renovation Forums?
Where is the Structural Renovation Forums?
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15th May 2008, 03:47 PM
Thread: Verandah Posts - DIY?
by DvdHntr- Replies
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The posts need to go down 400 and set in at least...
The posts need to go down 400 and set in at least 200 of concrete (not quickset) but that is provided the area of roof supported is no more than 10 square metres
Decking would be built around the... -
9th May 2008, 12:05 PM
Thread: attach frames to slab
by DvdHntr- Replies
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- 3,598
Not that anyone pays any attention but a dynabolt...
Not that anyone pays any attention but a dynabolt only 45mm from the edge a concrete slab is not sufficient. It needs to be a chemical anchor to avoid shear cone failure. But everyone uses dynabolts...
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28th April 2008, 10:12 AM
Thread: Support for Steel Beam
by DvdHntr- Replies
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It means as triple laminated studs. That is...
It means as triple laminated studs. That is joined to make a solid cross section of timber that would be 90mm x 135mm. They would only need to be nail laminated and have a noggin at half height on a...
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22nd April 2008, 09:49 AM
Thread: Permit for removing wall, or not?
by DvdHntr- Replies
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Get a certifier, not just an engineer. Councils...
Get a certifier, not just an engineer. Councils do not always accept a Structural Engineers inspection unless they are also a registered building certifier. It is better to engage the Engineer to...
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22nd April 2008, 09:42 AM
Thread: Notching High Span Floor Joists
by DvdHntr- Replies
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Then just notch the HySpan.
Then just notch the HySpan.
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21st April 2008, 11:38 AM
Thread: Notching High Span Floor Joists
by DvdHntr- Replies
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If your bearers are not short spans with intense...
If your bearers are not short spans with intense loads on them then shear will not be a problem. But in saying that, because you are using I joists it will become a problem if you notch because of...
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21st April 2008, 11:31 AM
Thread: Your thoughts on this
by DvdHntr- Replies
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You will find that a lot of Structural Engineers...
You will find that a lot of Structural Engineers have a deep mistrust of timber and will also not want to mix timber and steel. There is not an issue with mixing them and if you use RHS sections like...
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3rd April 2008, 04:19 PM
Thread: Single level vs 2 story structural stuff
by DvdHntr- Replies
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- 1,577
Studs will depend on wall heights. They can be...
Studs will depend on wall heights. They can be 450cts instead of 600cts.
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3rd April 2008, 04:17 PM
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Prefab is the way to go. Just make sure you are...
Prefab is the way to go. Just make sure you are accurate and there will be little issue.
I got quotes for my reno and the cheapest carpenter was $3600, whereas the frames delivered was $1100. -
27th March 2008, 04:30 PM
Thread: Roof framing standards - new house
by DvdHntr- Replies
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- 9,276
I would ask about tie down.
I would ask about tie down.
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27th March 2008, 01:37 PM
Thread: Vertical Nail Lamination
by DvdHntr- Replies
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- 2,637
You are too helpful Ausdesign. Keep answering the...
You are too helpful Ausdesign. Keep answering the questions before I can. What he said.
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27th March 2008, 01:35 PM
Thread: Roof framing standards - new house
by DvdHntr- Replies
- 58
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A few things to make sure of: The stud wall...
A few things to make sure of:
The stud wall has adequate studs under the beam location.
The steel beam is tied down to the wall frame.
It does look messy but as long as there are no lateral... -
27th March 2008, 01:30 PM
Thread: Joist spacing comparison
by DvdHntr- Replies
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What Ausdesign said. Bounce is dependant on the...
What Ausdesign said. Bounce is dependant on the stiffness of the joists and bearers. The stiffer (deeper or higher grade) they are the less bounce. The flooring can obviously play a role but 19mm at...
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20th March 2008, 08:56 AM
Thread: Fitting/packing steel beams- please help.
by DvdHntr- Replies
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You want it to bear on the load bearing wall. ...
You want it to bear on the load bearing wall.
I would use mortar pads top and bottom. -
20th March 2008, 08:49 AM
Thread: clouts in sub-floor
by DvdHntr- Replies
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- 1,609
There is evidence that in some situations timbers...
There is evidence that in some situations timbers squeeze out nails over time (especially nailplates) but no one quite knows why and hence exactly what conditions will cause it. The most likely...
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19th March 2008, 01:41 PM
Thread: Steel brackets to hold bench seat up
by DvdHntr- Replies
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They do look quite strong.
They do look quite strong.
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11th March 2008, 09:28 AM
Thread: Help wanted with AS 1684 please.
by DvdHntr- Replies
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If you need any assistance with it just ask. What...
If you need any assistance with it just ask. What is your need? See if it comes with the design table CD. I have never bought one and have online access so I don't know if the tables come with it but...
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11th March 2008, 09:24 AM
Thread: Home Design Software
by DvdHntr- Replies
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Definitely go with one of those Architect style...
Definitely go with one of those Architect style programs. To set up and get a good result with AutoCAD would take a newbie too long.
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11th March 2008, 09:14 AM
Thread: 1st Post About 1st Deck woohoo
by DvdHntr- Replies
- 21
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- 4,115
Doesn't he also have an area that isn't pavers? I...
Doesn't he also have an area that isn't pavers? I would be worried that this area woul sink or atleast settle more than the pavers part and so would be a problem. If he wants a good deck he needs...
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10th March 2008, 09:37 AM
Thread: Best material for packing bearers ?
by DvdHntr- Replies
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First work out whether the concrete stumps will...
First work out whether the concrete stumps will continue to sink.
I would use something that doesn't compress that much like steel plate or even very dense hardwood. -
10th March 2008, 09:30 AM
Thread: Help wanted with AS 1684 please.
by DvdHntr- Replies
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- 1,717
AS1684.2-2006 is the latest for non cyclonic. ...
AS1684.2-2006 is the latest for non cyclonic.
They go like this:
.1 Design (gives the design procedures and design limits for all timber elements)
.2 Non Cyclonic (has design tables and all... -
10th March 2008, 09:27 AM
Thread: Cypress Pine Framing
by DvdHntr- Replies
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- 4,431
Cypress is like any pine. You must provide...
Cypress is like any pine. You must provide protection against termites. So make sure the builder has a plan on how to protect it.
Why doesn't the builder just measure up and order from a frame &... -
6th March 2008, 01:55 PM
Thread: Beam size to support a joist hanger
by DvdHntr- Replies
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Please use the term hanging beam. A joist hanger...
Please use the term hanging beam. A joist hanger is a propriety metal bracket that connects joists to beams/bearers.
A 75PFC will work but the deflection is right on the limit. I would consider... -
5th March 2008, 01:51 PM
Thread: 1st Post About 1st Deck woohoo
by DvdHntr- Replies
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- 4,115
You may be best off pouring a concrete slab and...
You may be best off pouring a concrete slab and gluing the decking to the top. No termite issues.
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5th March 2008, 09:03 AM
Thread: Attic Truss Design for Old Cottage
by DvdHntr- Replies
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What Joe said. Structural Engineers are the way...
What Joe said. Structural Engineers are the way to go. You could contact frame and truss companies or even one of the three nailplate suppliers and ask for their engineers.
Another solution that... -
5th March 2008, 08:51 AM
Thread: Concreting on timber balconies?
by DvdHntr- Replies
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I can't see the balcony being designed to carry...
I can't see the balcony being designed to carry 50mm thick concrete slab. That is 120kg/m2. That is over 2 layers roof tiles in terms of weight. If your calculation of 1/3 is correct it is just under...
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5th March 2008, 08:45 AM
Thread: 1st Post About 1st Deck woohoo
by DvdHntr- Replies
- 21
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- 4,115
Unless it is floating in the air there needs to...
Unless it is floating in the air there needs to be either a termite barrier, treated timber or hardwood with less than 20% sapwood.
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4th March 2008, 02:33 PM
Thread: Staircase problem and BCA
by DvdHntr- Replies
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- 6,317
Maybe if you talk to a council inspector (with no...
Maybe if you talk to a council inspector (with no names or addresses) they could give you another solution, or at least what they would be prepared to accept and certify.
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4th March 2008, 11:44 AM
Thread: Staircase problem and BCA
by DvdHntr- Replies
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- 6,317
It says you must have a mimimum of 2 risers.
It says you must have a mimimum of 2 risers.
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4th March 2008, 09:07 AM
Thread: Staircase problem and BCA
by DvdHntr- Replies
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- 6,317
If you want to be inside the BCA requirements...
If you want to be inside the BCA requirements there is no easy way.
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4th March 2008, 08:58 AM
Thread: 1st Post About 1st Deck woohoo
by DvdHntr- Replies
- 21
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- 4,115
I wouldn't advise cantilevers on decks unless...
I wouldn't advise cantilevers on decks unless necessary. The span tables are set up with load widths assuming that the other side of the member is supported. In terms of the member loaded the load...
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3rd March 2008, 11:12 AM
Thread: 1st Post About 1st Deck woohoo
by DvdHntr- Replies
- 21
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- 4,115
You need 400mm for inspection or 150mm for...
You need 400mm for inspection or 150mm for ventilation. If you provide termite protection to the deck and not allow a path into any other structures then 150mm is OK. Check with your council as to...
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3rd March 2008, 11:03 AM
Thread: Matching Bricks for an Extension
by DvdHntr- Replies
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- 1,439
It depends on the match you need and what you...
It depends on the match you need and what you have. I had brick that were from a company that doesn't exist anymore and the bricks had yellows, reds, dark blues and browns running through. I didn't...
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29th February 2008, 11:21 AM
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You may look into a truss boot due to the 90mm.
You may look into a truss boot due to the 90mm.
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29th February 2008, 11:19 AM
Thread: Matching Bricks for an Extension
by DvdHntr- Replies
- 3
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- 1,439
Matching bricks is not easy. Best bet is to go...
Matching bricks is not easy. Best bet is to go and see brick suppliers like Boral/Austral etc and see it they have anything close. But remember that every batch will be different.
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28th February 2008, 04:26 PM
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You should run an extra member to stiffen the...
You should run an extra member to stiffen the ceiling joists that connect to the trimmer.
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28th February 2008, 02:18 PM
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It could work, without the details I don't want...
It could work, without the details I don't want to comment but the trimmer is a simpler way to do it.
But from your posts it seems like the stairs go up and turn left thus eliminating the trimmer... -
27th February 2008, 02:58 PM
Thread: Stainless steel fixings near pool
by DvdHntr- Replies
- 10
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- 5,535
That method will work as long as the deck is...
That method will work as long as the deck is close to the ground and there is little uplift force.
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27th February 2008, 02:53 PM
Thread: Yellow tongue direction
by DvdHntr- Replies
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- 2,379
Fair enough. Depends on the set up but when I...
Fair enough. Depends on the set up but when I installed flooring at home, cutting the flooring was hard. Obviously not the case for everyone.
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27th February 2008, 02:42 PM
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I have never come across a building designer...
I have never come across a building designer before. So the plans are architectural or structural or both? Because there are some major differences in the drawing types. Are they more of an...
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27th February 2008, 11:42 AM
Thread: Yellow tongue direction
by DvdHntr- Replies
- 6
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- 2,379
Either way I would have run it long ways and just...
Either way I would have run it long ways and just cut in some trimming members to support the sheet. Why make 8 unnecessary cuts? You could just fill the gap of 100mm with a strip of flooring if you...
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27th February 2008, 11:36 AM
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What are the qualifications of a building...
What are the qualifications of a building designer?
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27th February 2008, 08:56 AM
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No doubt it will need a beam to support loads but...
No doubt it will need a beam to support loads but the issue is the bracing. Judging by the tone of the authors post, I would recommend a professional to size the beam and investigate the bracing...
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27th February 2008, 08:53 AM
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You will need engineering advice. My thoughts are...
You will need engineering advice. My thoughts are that adding a second rafter nailed to the original would be adequate.
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26th February 2008, 04:21 PM
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If they are not on the plans you may need to...
If they are not on the plans you may need to assume that there is bracing in the walls and come up with a solution then when you get to the job, if it is there you implement the solution otherwise...
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26th February 2008, 02:34 PM
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It is essential to know if the wall is a bracing...
It is essential to know if the wall is a bracing wall but being external I would assume it is. That is not the end of the story. There is a way to remove the parts of the wall even if they are...
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25th February 2008, 02:46 PM
Thread: Bolt-on Post Support v Full Stirrup.
by DvdHntr- Replies
- 20
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- 5,639
I would direct this enquiry to the engineers at...
I would direct this enquiry to the engineers at Pryda as to the suitable use of their stirrups. One would think that the raised stirrup is for ease of installation and possible termite protection but...
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25th February 2008, 02:43 PM
Thread: Hardwood equivalents for HYspan beams
by DvdHntr- Replies
- 20
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- 4,147
Please do not assume that beam stiffness will...
Please do not assume that beam stiffness will always govern design.
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21st February 2008, 03:07 PM
Thread: Hardwood equivalents for HYspan beams
by DvdHntr- Replies
- 20
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- 4,147
That is all well and good but the first line in...
That is all well and good but the first line in your post is incorrect. Beam Stiffness is what you are referring to and it is a function of the I and the E (youngs modulus) which is a measure of the...