Thursday, April 14, 2005

Organising Base Brickwork

All the bricks below floor level are called "base brickwork". This is the next step in our project. A few of the things that need organising for this are:

* Type of sand (1 cu-m for each 1000 bricks is required)
* Type of cement (4 x 20kg bags per 1000 bricks)
* Lime
* Mortar colour (hence the need to choose sand & cemet types). Oxides can also be used to tint mortars to the most dreadful of colours if desired.
* Site power (a generator has been hired, as it could take a month for the power company to connect the site up!)
* Site water supply - I have put in a 50m long high-density poly pipe from the only tap we have to the actual house-site.
* Site toilet: we have hired a standard builders-loo, with integrated water storage and effluent storage tank that can be pumped out as periodically.
* Brick deliveries: make sure the bricks are placed around the site close to where they are needed, so it makes life easier for the brickies
* Sand delivery: placed on the high-side. In my case it has been put on top of some concrete-spoils left over from the footing pour (so it will be kept clean)
* Bricks should technically be covered, as rain water will be absorbed into them, which alters the way the bricks bond with the mortar (an efficient bond requires the brick to absorb water from the mortar).
* Sub-floor access and portals for heating ducts need to be located for the brickies, so that they don't brick these up.
* In/Out points for plumbing pipes need to be marked too. Preferably get some short pipe/conduit sections placed into the wall as it is built, and remove these once the mortar is set, otherwise the plumber will knock holes into the brick wall when a hole is needed, only making for more work later.
* Any un-seen sections of brickwork can be done with cheaper "2nds" or "commons" bricks (and we are using these on the inner-wall of our verandah, which won't be see at all).

Lastly, this needs to be co-ordinated with the bricky, so its all ready to go when they turn up.

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