Tag Archive: Foundations
Waffle Pod Raft Slab
A ‘Waffle Pod’ slab is now probably the most common Concrete ‘Raft’ House base. It has generally taken over from the Conventional Raft Foundation. It’s an example of composite construction with polystyrene pods forming the voids in the underside of…
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Conventional Raft Slab
A ‘Conventional’ Raft Slab is a concrete base laid directly on a compacted base. It is strengthened by cutting trenches in the base and adding reinforcement. These ‘thickened beams’ are formed at the edges and also under loadbearing walls. This…
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Building On Pipeline Easements (Or Close To)
Previous posts have talked about Sewer and Drain Easements but you build close to or over a pipe on an easement? Permission You must get permission from the owner of the easement to build on the easement. Some easement owners…
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Types of Fill
You will often find a reference to ‘Fill’ in your Geotechnical Report. Your site may require ‘Cut and Fill’ to level the site. Here is a bit of information about the various types of fill: Ordinary Fill Ordinary fill is…
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Building On Rock
Based on the Soil Classification rock is considered one of the best surfaces to build a house foundation. It comes under the Classification Class A. That doesn’t mean its going to be cheap especially for a conventional raft or waffle…
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Building on Fill – Screw Piles
I have previously posted about building on fill using Concrete Piers. Well one alternative to constructing concrete piers is to use Screw Piles such as the one to the right. These are made from a thick steel tube with: A…
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