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12.5m high - 4 stories?

Discussion in 'Development' started by mcarthur, 8th Sep, 2016.

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  1. mcarthur

    mcarthur Well-Known Member

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    I have a site that is zoned for 12.5m height in Moreton Bay. There doesn't appear to be a limit to the number of stories, just the height.
    Has anyone done a 4 story build in this envelope? Because of the views available, I was hoping to get two upper floors with views rather than just one floor with views if it was 3 story.
    Now the land is flat and the slab would have to be at least 100-200mm off the ground for inundation control.
    In theory I can see a 2.4m ground floor, then 300mm floor, then 2.4m 1st floor, then 300mm floor etc.
    ie. 0.2m off ground + 2.4 + 0.3 +2.4 + 0.3 +2.7 + 0.3 + 2.7 + 0.5 (flat roof for terrace) = 11.8m, which leaves 0.7 as a ballustrade height on the roof terrance to make up the 12.5m.

    Of course I'll talk to the town planner and get serious architectural/engineering advice, but wondering if anyone has done anything like this before?
     
  2. Scott No Mates

    Scott No Mates Well-Known Member

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    2.4-2.5m floor to floor + 200mm flat plate slabs, possibly thinner if you go for prestress/post-tension. This should yield 4.8 floors - a bit of creative design to get the levels to work with subterranean parking should achieve 5 storeys.

    Need to pay attention to the fsr & what is included or excluded eg parking, stairs, lifts, storage etc.
     
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  3. mcarthur

    mcarthur Well-Known Member

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    Oh wow. I thought 4 was pushing it! 5 would be an entirely new ballgame (lifts, etc)...

    From the MBRC:
    Then there is a table showing 12m = "indication of stories" of 3.

    Also I got the height wrong - it's 12m not 12.5m, so that probably rules out 5 stories entirely unless the bottom-most is more subterranean for parking. Sorry Scott.
     
  4. Scott No Mates

    Scott No Mates Well-Known Member

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    0.6 m below grade isn't necessarily the end of the world. Design the basement with a dual pump stormwater pit.

    Get the envelope approved under the maximum fsr for the site, S96 for an additional floor or additional units under the same roof.
     
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  5. Iamnumber5

    Iamnumber5 Well-Known Member

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    What is the size of your land?
    I also have a site 600 m2 in Melbourne within high density zoning with height restriction of 12m. I am thinking of developing it in 2-3 years time as soon as I have the fund. Have you done the initial feasibility study?
     
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  6. mcarthur

    mcarthur Well-Known Member

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    It's 405sqm, but in an odd situation with zoning not matching prior use (which is separately rentable flats upstairs and downstairs).

    Zoning is next generation neighbourhood (who comes up with these names?!).

    The area won't provide the return if I do the development now, so I'm getting ready for some years to come. I'm wondering whether getting the plans done now and going to council is actually worth it at this time - money outlaid just to sit in the cupboard for years? I haven't even done the DD for how long the approval would last for! I suppose the plans through council would count for a bit if I needed to sell in a hurry...
     
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  7. Tonibell

    Tonibell Well-Known Member

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    Yep - as we are finding out, it is the need to comply with parking requirements that is the main limitation on what you can do.

    If you managed to fit 10 units on the site then you would need something like 14 car spaces that can enter and leave forwards. Can be hard to achieve.
     
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  8. Scott No Mates

    Scott No Mates Well-Known Member

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    Is a turntable an option?
     
  9. Iamnumber5

    Iamnumber5 Well-Known Member

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    If the location is within activity centre zone, council is quite linient with having less parking space as they encourage the use of public transport. Having spoken to the local council town planner, he suggested to give one year worth of myki card to entice buyers.
     
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  10. Iamnumber5

    Iamnumber5 Well-Known Member

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    The approval generally last for 2 years, so if you are not thinking of developing it anytime soon I don't think there is any need to apply for it. Especially if you think there is no return on the development, coz whoever the potential buyer is wont see any additional value on the permit.
     
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  11. MrFox

    MrFox Well-Known Member

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    Or a car lift. You might need a double storey basement if its 600 m2?
     
  12. Pier1

    Pier1 Well-Known Member

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    Pretty certain the Next Gen zone doesn't allow basement carparks......