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What is substructure?
All structure below the superstructure i.e. all structure below ground level including the ground floor bed
What is superstructure?
All internal and external structure above the substructureMade up of primary (ext walls, stairs, roof, structural walls) and secondary (suspended ceilings / raised floors, balustrades, doors) elements and finishes (tiles, paint, stair nosings)
What is the external envelope?
The materials and components that form the external shell or enclosure of a buildingMay be load or non-load bearing
What are the Building Regulations?
Statutory instruments that sets out the minimum performance standards for the design and construction of buildingsSupported by the Approved Documents A to P and other codes of practice
What are the approved documents?
StructureFire safetySite preparationToxic substancesSound resistanceVenitationHygieneDrainage and waste disposalHeat producing appliancesProtection from falling, collision and impactConservation of fuel and powerDisabled access and facilitiesGlazingElectrical safety
What are British Standards?
Publications issued by the British Standards Institution – prefixed BSThey give recommended min standards for materials, components, design and construction practices
What are international standards?
Prepared by the International Organisation for Standardisation – prefixed ISOCompatible with and complement BS’s
What are the typical components of site investigations?
Objective is to systematically collect and record data to help in design / constructionShould include anything on adjacent sites that may impact and:Boundary hedges / fencingExisting treesSize, depth and location of services – gas, telephone, electricity, water, drainsExisting buildingsGround water conditionsSoil investigations – trial pits etc
Tell me more about soil investigations?
Purpose is to determine the suitability of the site for the proposed works and determine adequate and economic foundation designShould determine the potential difficultiesThe method chosen will depend on type of building – function, size etc
What are the main site considerations?
Access considerations – approach roads etcStorage considerationsAccommodationTemporary servicesPlantFencing / hoardingSafety and health
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