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  1. beton1

    Overall Building Quantities

    Depends on building type, but Jed's method works. RSmeans or Walkers might have some more specifics or psf based quantities.
  2. beton1

    wood post splits

    Another vote: don't worry.
  3. beton1

    standard productivity rate for various construction work

    R.S.Means
  4. beton1

    Tie rods spacing Form work

    Best to get some help from a formwork/accessory supplier. Or read up on ACI publications. Formwork for Concrete is a good place to start. You need to get educated on this prior to making decisions like this.For example, 0.5m spacing of 2x4's won't work. You are looking for an answer, not guidance.
  5. beton1

    Concrete Time for Curing

    Agree with comments. Also, you can check with Ready Mix supplier for a '72 hour mix'. They can usually provide a concrete with very accelerated strength gains. Depends on what you want to spend and how critical your timeline is. May be worth the extra money.
  6. beton1

    3" copper water pipe

    Try Noble Trade or Emco or Wolseley. All have numerous locations in GTA/southern Ontario.
  7. beton1

    Truss tags??

    Heel? Heck, sounds like wood.
  8. beton1

    Requirements for Weld Inspection of Pedestrian Steel Bridge

    First step: is the fabricator certified? I assume this was built in a shop and transported. Second step: Independent testing agency may guide you in inspection and testing as per performance specs.
  9. beton1

    4-axle front discharge ready-mix truck

    Cracked wall or not, the truck should not have been that close. And the wall certainly is not capable, under the circumstances, to hold the truck or the lateral load imposed. The truck ending up in the basement puts responsibility, some or all, at the slab contractor or whoever directed the...
  10. beton1

    Concrete honeycombing and bug holes

    Another source is the 'position' statements by the ASCC (American Society of Concrete Contractors.
  11. beton1

    Supporting HDPE Pipe accross a trench

    You can do as VT or Jed have suggested. Another option, use the beam you mention as a saddle and then have a proper designed beam under it, conventionally placed(forming a Tee so to speak). You could then, for efficiency use pieces for the saddle (instead of whole length) if you are comfortable...
  12. beton1

    Trail Bridge Design

    Canadian Highway Bridge Design Code, CAN/CSA-S6-06. You will have to search through for info on pedestrian bridges.
  13. beton1

    Time Limit Between Concrete Placements

    Good points; nothing significant to add except it may depend somewhat on application. Say you are pouring a slab for a basement versus a bridge slab or structural elevated slab.
  14. beton1

    toupet tile slab

    I believe there are 8" and 6" units. The 8" are a full tile and the 6" is a 'bottom' where the concrete joist is. On a reinforcing project last year we 'discovered' a 14" spacing c-c. This sounds familiar. Have a close look from underneath if you can. Top surface probably has a 2" topping as...
  15. beton1

    Steel Deck on Wood Joists

    Actually I saw this last week. Stopped at a gas station and the cashier/store/coffee building had steel deck on a unique wood/steel tube truss system. The joists consisted of top and bottom wood chords (2x4 I believe) and tubes (steel?)for diagonals (looked like they were clinched and bolted at...
  16. beton1

    Grout Mix for Pump Primer

    As a alternate, they now use a pail of lubricant. Grout can be used (usually they order a cubic metre or yard) which should be wasted or thoroughly mixed with concrete (doubtful).
  17. beton1

    New PE Needs Advice

    On drawings, do you not submit the applicable codes being used? If the spec sheet has not been changed, then I am surprised no one has caught it at the City. This may be your approach with the 'senior' guy. If the codes have been updated, why are they being ignored or not used?
  18. beton1

    Repour footings

    A little more information. Is this in a frost prone area? I assume that you mean a 1300mm deep trench, how wide? What are the soils like? Often a footing/wall is trenched and poured to a certain depth (usually soil is clay or stable to allow this method of unshored trench), then the top foot or...
  19. beton1

    Low strength concrete in suspended slab

    I think that the documents, ie. concrete delivery tickets are needed as a start, for one. The question is : was the contractor negligent by ordering an inferior quality, or tampering, or was the concrete ready-mix supplier responsible? The 7% air for a interior suspended slab is a question . In...
  20. beton1

    Beam Design Question

    Sometimes, a simplified method is a good check! You answered it.

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