A major part of pre-fabrication construction is versatility and deconstructability - the ability to be able to erect a structure and dis-assemble it for re-use on another location in a possible reconfigured state.
Here is a footing system that is extremely versatile and would enable such dis-assembly with ease, leaving very little evidence behind that it once existed in that space.
There is no concrete, no site preparation, no excavation, no holes, no mess and no heavy machinery involved.
MEGA ANCHOR Foundation Systems are an Australian Product and has full supply and installation capabilities across Australia and could be implemented as a new system abroad in East Timor with a little training and technical guidance.
How it's done.
First step is to complete 90∞ set-out at the site, install “hurdles”, specify building lines and provide datum for finished floor height.
The second step is to string the building area to determine the location of posts specified on the foundation plan;
Position Mega Anchor mainframes in the correct locations;
and For each foundation location:
Select appropriate orientation of mainframe for best appearance (may dig in on outside rows) and clearance for sub-floor plinths;
Use Installation Guide to align mainframe horizontally and vertically; Drive piles of (at least) specified length – 3 for each mainframe – into the ground using an electric jackhammer with special driver head. Maintain vertical and horizontal alignment and ensure required frictional resistance achieved (note: installation into rock requires specialised equipment);
and, Remove installation guide and drive mainframe down to screw mainframe and lock with piles. Fix mainframe to piles with self-drilling Tec screws to form an integrated foundation unit.
The next step is for the installation of the risers and saddles.
Interpret plans to determine height/s of saddles relative to specified finished floor height/s;
Select diameter/s of riser appropriate for height/s;
Set up level; and,
For each post:
Use level to determine length of riser;
Cut riser to length, attach saddle, install to height with laser level accuracy and align with bearer run; and
Fix saddle to riser and riser to mainframe with specified number of Tec screws. Note: Variations on the standard system can be made available to suit non-standard posts.
The final stage is to add bracing.
Interpret plans to determine extent of bracing required (as required for height and loading);
Measure and cut each brace to length;
Prepare each brace for fixing; and,
Fix bracing to riser/riser cap/bearer in accordance with bracing plan with Tec screws.
Now the building platform is ready for further construction of walls and the roof structure.
MEGA ANCHOR can be supplied and installed by:
CV-Substructures in Queensland
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