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Site Investigation Stages
2.1NI-wide·Technical Booklet C Site Preparation and Resistance to Contaminants and Moisture
The nature and extent of site preparation will depend on the findings of the site investigation. The site investigation (relevant to Sections 2, 3 and 4 of this Technical Booklet) should consist of a
site-planningstructuralExtent and Level of Site Investigation
2.2NI-wide·Technical Booklet C Site Preparation and Resistance to Contaminants and Moisture
The extent and level of investigation needs to be tailored to the type of development and the previous use of land. Typically the site investigation should include susceptibility to ground water level
site-planningstructuralAssessment of existing site infrastructure
2.6NI-wide·Technical Booklet C Site Preparation and Resistance to Contaminants and Moisture
On sites previously used for buildings, consideration should be given to the presence of existing foundations, services, buried tanks and any other infrastructure that could endanger persons in and ab
site-planningstructuralAssessment of fill and made ground
2.7NI-wide·Technical Booklet C Site Preparation and Resistance to Contaminants and Moisture
Where the site contains fill or made ground, consideration should be given to its compressibility and its potential for collapse on wetting, and to appropriate remedial measures to prevent damaging di
site-planningstructuralGround water affecting ground stability and properties
4.4NI-wide·Technical Booklet C Site Preparation and Resistance to Contaminants and Moisture
4.4 Where there is a risk that ground water beneath or around the building could adversely affect the stability and properties of the ground, either the ground to be covered by the building should be
drainagestructuralsite-planningGround supported floor construction with concrete
5.3, 5.4NI-wide·Technical Booklet C Site Preparation and Resistance to Contaminants and Moisture
Any ground supported floor should meet the requirement to resist the passage of moisture from the ground if the ground is covered with dense concrete laid on a hardcore bed and a damp proof membrane i
drainagestructuraldwellingnon-domesticInsulant compressive strength and water absorption
5.9NI-wide·Technical Booklet C Site Preparation and Resistance to Contaminants and Moisture
Insulants should have sufficient compressive strength to resist the weight of the slab, the anticipated floor loading as well as any possible overloading during construction. In order to resist degrad
drainagemoisturestructuralSuspended concrete ground floors - construction requirements
5.15NI-wide·Technical Booklet C Site Preparation and Resistance to Contaminants and Moisture
A suspended concrete ground floor should be constructed as follows (see Diagram 5.4) – (a) in situ concrete at least 100 mm thick (but thicker if the structural design requires) of concrete designatio
structuraldrainage