concrete placement and finishing andrew merrick n.
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CONCRETE PLACEMENT AND FINISHING AndREW MERRICK. Purpose of Meeting. Describe measures that will be used to place and finish concrete within the requirements of By-Law Number N-200 – Respecting Noise and minimize effects on neighbours Review schedule of concrete placements.

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Presentation Transcript
purpose of meeting
Purpose of Meeting
  • Describe measures that will be used to place and finish concrete within the requirements of By-Law Number N-200 – Respecting Noise and minimize effects on neighbours
  • Review schedule of concrete placements
early morning start
Early Morning Start
  • Attempt for an early morning start time within the by-law requirements
  • Goal is to get concrete in early so that it sets up early to allow finishing to start and be completed earlier.
  • If necessary, could be started later in the day to accommodate weather forecasts, inspections, etc.
pour sequence
Pour Sequence
  • Sequence slab placements in a south to north direction to provide a buffer between work and South Street after initial placement.
placement of slabs
Placement of Slabs
  • Place slab in thirds to cut down on the volume of concrete to be placed and finished
erection of wind sound screens
Erection of Wind/Sound Screens
  • Plywood barrier approximately 4 feet high erected to cut down on wind and sound transmission.
light direction
Light Direction
  • Lights when required to be directed away from South and LeMarchant Streets.
faster concrete set time
Faster Concrete Set Time
  • Money to be spent on admixture additives placed in the concrete to shorten set time
concrete placement method
Concrete Placement Method
  • Traditional method with tower crane on site is to use concrete bucket for slab placements which is time consuming.
concrete placement method1
Concrete Placement Method
  • Slabs to be placed using a concrete pump which will increase the rate that the concrete is placed.
concrete placement method2
Concrete Placement Method
  • Supplement concrete pump with deck placer from level 3 to roof.
  • Articulating arm eliminates need to drag hoses over slab increasing placement rate.
schedule
Schedule
  • When concrete placements occur, Aecon site office will be open and personnel can be contacted at 407-7730.
  • Estimated 26 slab placements to occur
  • First placement scheduled is basement slab on grade in mid-May
  • 3 placements every 2 weeks once level 3 slab is completed and typical floors start
  • Completion of concrete work scheduled for early November