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  1. #1
    Join Date
    Feb 2005
    Location
    Sydney
    Posts
    67

    Default Concrete Footings...Is there a better way?

    G'day guys,

    Just wanted to ask your opinion about pouring the footings for the house we're building. The site is 4wd access only (local council rules - no exceptions apparently) and I've been unable to find anyone with a 4wd or front wheel assisted drive concrete truck. So what we're planning to do is bring the concrete in using 2 Manitous carrying 1m3 concrete kibbles each.

    If you look at the plan I've attached, it shows that we need to pour about 7m3 for the blob footings at the front and 8m3 for the slab at the back. There is roughly 1500mm clearance either side of the slab (1600 if I lean on the neighbour's fence really hard. The distance from the back of the slab to the front blob footings is about 16.5m. So what I'm thinking we need to do is get the concreters to form up the footings, then use the Manitous to pour the footings, then get the concreters to form up the slab, then pour the slab, basically doubling up on everything.

    What I wanted to know from you blokes is .... is there a better way???

    Rather than paying almost about double for the formwork and materials handling, it would be much better if we could get both the formwork and concreting done in one hit - ie all the formwork done one day, then the concrete poured the next.

    I've also thought about:

    getting a labourer to wheelbarrow the concrete to the footings but the jury is still out on if this is more cost effective.

    pouring the slab in 2 parts but apparently the structural engineer says this is right out.

    getting a telescopic Manitou which could sit behind the slab, reach over and pour the front footings. Unfortunately, the longest reach Manitou I could find in Sydney could reach about 12m and the load it could carry at that distance was around 800kg.

    doing all the formwork, then pour the slab, wait til it cures, then pour the footings. However, not sure if the middle of the slab will take a loaded Manitou and we still have to get the Manitous out twice.

    Anyway, Ive racked my brains all day and haven't been able to come up with anything better. Just wondering if I haven't missed something blindingly obvious....

    Cheers

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  3. #2
    Join Date
    Feb 2003
    Location
    Garvoc VIC AUSTRALIA
    Posts
    11,464

    Default

    Use a concrete pump.
    Regards, Bob Thomas

    www.wombatsawmill.com

  4. #3
    Join Date
    Nov 2004
    Location
    Melbourne
    Posts
    185

    Default

    you'll find that dual rear axle concrete trucks have diff lock in the rear making them 4wd, ie all the rear wheels drive so if theresenough room they should be allowed in and at 6m3 a go it shouldnt be a problem

  5. #4
    Join Date
    Aug 2003
    Location
    .
    Posts
    10,482

    Default

    Talk to a local concreter, but as Bob has said, use a pump.
    Wheelbarrows, Manitous??? :eek:

    Al

  6. #5
    Join Date
    Jun 2004
    Location
    Grafton, N.S.W.
    Age
    63
    Posts
    1,330

    Default

    Ditto on the concrete pump truck.

    You would be amazed at where those blokes can get to.
    The pump trucks also have dual rear axles with diff locks, thus making them 4WD.

    Hooroo.
    Regards, Trevor
    Grafton

  7. #6
    Join Date
    Aug 2005
    Location
    Victoria
    Posts
    664

    Default

    I am with the others...form it all up and pour in one hit with a line or boom pump.

    Tools

  8. #7
    Join Date
    Feb 2005
    Location
    Mackay Qld
    Age
    49
    Posts
    1,448

    Default

    Or get a little D8 and push yerself a nice flat track one night.
    Mick

    avantguardian

  9. #8
    Join Date
    Feb 2005
    Location
    Sydney
    Posts
    67

    Default

    Thanks for the replies.

    Still arguing with the council about the concrete trucks being 4wd. They're saying unless the vehicle has some kind of front wheel drive it's not allowed. I reckon a concrete truck would get down there as the RFS get their 8 tonne firetruck down there no worries (afterall, it's a firetrail) but the council won't hear a bar of it.

    Apologies for not mentioning it in my first post, but the firetrail is about 1500m long. Asked around about running a line down there, and the blokes who didn't laugh at me said there would probably be about 25m3 in the line on top of whatever we poured.

    The little research I've done on concrete pumps trucks has led me to believe it's the same deal with them as with the concrete trucks - 4wd dual rear axles but nothing on the front wheels. Am more than willing to be told otherwise

  10. #9
    Join Date
    Nov 2004
    Location
    Melbourne
    Posts
    185

    Default

    is the track in good order, no ruts or wash aways, if the concrete truck is willing to go down there whats the problem. By the way how will you get in there once the house is built.

  11. #10
    Join Date
    Jan 2005
    Location
    Sydney
    Posts
    1,205

    Default

    bugger.....

    sounds way expensive and any one how r u going to get to your house when it is finished.

    You can pour both footings and slab in one day, you may have to pour all the footsings then let them go off for 1/2 hour (morning tea time) then pour the slab.

    Manitours will cost you a bomb,

    try to ring around all the local and far concrete plants some one must have a 4wd truck, i know there is a concrete plant at penrth that is not part of a big co and has differnt trucks maybe give them a go, or get a 4wd tipper there are a few of these around ex state rail etc, you may still have to barrow to the corners but shore will save you some $$$.

  12. #11
    Join Date
    Feb 2005
    Location
    Sydney
    Posts
    67

    Default

    The track is for the most part OK, just a bit steep in parts. The problem is not if the truck will get down there, which I think it will, but that the council won't let you take it down there. I could risk it on the sly, but if we get caught we lose tha $5K bond and further use of the trail, which would totally bugger up the rest of the job.

    Normal access to the block is by boat. Found a bloke who could barge 5m3 concrete trucks in, and at $2200 a day that was looking good. Then we found out we'd have to pay for him bringing the barge up the day before. Then we found out he could only load the truck when it was almost high tide. Then we found out that in September there were only around 4 days when the tide was high enough, and that was at late afternoon, only leaving enough time to do 1 load each day. So all of a sudden, its a 4 day/$9000 exercise to pour the concrete.:eek:

    Gaza, you don't happen to know anyone that operates a 4wd tipper in Sydney. I've heard about ex-state rail ones, but haven't had any luck finding one.

    Cheers

  13. #12
    Join Date
    Nov 2004
    Location
    Melbourne
    Posts
    185

    Default

    just get a traxacavator or large front end loader, fill the bucket with concrete and drive down the track, use a skidsteer down at the site to unload concrete for the front pads, drive between the fence and slab and fill pads by hand.

    Otherwise these are the joys of owning your dream block I guess.

  14. #13
    Join Date
    May 2003
    Location
    Kuranda, paradise, North Qld
    Age
    62
    Posts
    5,639

    Default

    Flyboy,
    if you can't get a 4x4 or FWA tipper or concrete truck I would:
    Barge in pallets of cement bags and bulk fertilizer bags (1 M3) full of premix (sand & gravel mix). Have it all delivered to the barge staging point and get it all loaded on along with a manitou.
    Unload at other end using manitou to walk materials up to site.
    Get a bobcat with a cement mixer attachment to mix and place the concrete.

    Surely someone in Sydney will have a bobcat (or manitou) with a cement mixer on a quik hitch. I've got a mate here that's got one for his bobcat. There's scales set up on his hydraulic line so he can accurately batch up and he mixes a one bag mix in a few minutes. Just a matter of scooping up the premix with the agitator (no shovelling), throwing in a bag of cement and the right amount of water and driving it to where it's to be poured. By the time you've got the bobcat in position the concrete is mixed, you place it and go back for a nother load.

    Mick
    "If you need a machine today and don't buy it,

    tomorrow you will have paid for it and not have it."

    - Henry Ford 1938

  15. #14
    Join Date
    Jun 2004
    Location
    Perth WA
    Posts
    1,764

    Default

    C,mon Mick, now tell the truth...I seen you guys up there in Cairns pouring concrete...you used a bloody Russian helicopter...trying to convince us you work hard and use Bobcats an stuff .

    BTW been looking at the mixers for my machine

    I'd be looking at moving it in a GP bucket on a small loader like a IT28 (928) if the brew is correctly ordered for the time it will take.

    Cheers
    Squizzy

    "It is better to be ignorant and ask a stupid question than to be plain Stupid and not ask at all" {screamed by maths teacher in Year 8}

  16. #15
    Join Date
    Feb 2005
    Location
    Sydney
    Posts
    67

    Default

    G'day Mick. Yeah, you suggested drymix to me in another thread I think, and I did have a look into it. I was looking at bringing it in either on the barge or the back of my ute, but there ended up being a couple of issues. First, it worked out to be about double the cost of premix, without counting labour for mixing. Second, couldn't find a bobcat mixer in Sydney for love or money. I would have rang about 15 operators. No hire places have them either. Apparently no one ever used to wash them out, so they got rid of them.

    Will check out the small loaders today. Thanks

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