Construction Technology (Submission) Flashcards
(45 cards)
Explain the buildup of a cold deck roof
Plasterboard Vapour membrane Insulation (typically between joists) Timber joists Roof deck Waterproof membrane
Name some roof coverings that you would expect to see on a cold deck roof
Bitumen mineral felt
Mastic asphalt
Name some roof coverings that you would expect to see on a warm deck roof
EPDM
PVC
Bitumen mineral felt
What is the primary problem with using a cold deck roof?
Vulnerable to interstitial condensation in occupied buildings. As heat rises moisture settles on the underside of of the waterproof membrane and can damage the timbers and insulation below.
What is an inverted roof and can you explain the buildup of it?
Inverted roof decks typically comprise a concrete deck with insulation placed on top of the deck. This type of roof is typical in commercial buildings.
The makeup is as follows:
Internal finish Roof deck Screed to falls Waterproof membrane Rigid insulation board Water Flow Reducing Layer (WFRL) Beaching gravel Concrete paving slabs on supports
What is the life cycle of an asphalt roof?
20-55 years
What are the typical defects associated with an asphalt roof?
Blistering due to trapped air/moisture
Tears due to thermal movement
Slumping due to excessive heat gain and no application of a solar reflective paint
What is the current version of the RIBA Plan of Work?
2020
List the RIBA Plan of Work Stages
- Inception
- Preparation and Briefing
- Concept Design
- Spatial Coordination
- Technical Design
- Manufacturing and Construction
- Handover
- Use
What are the Building Regulations?
Statutory instruments that set out the minimum performance standards for the design and construction of buildings.
Can you name all of the approved documents?
A: Structure
B: Fire Safety
P: Electrical Safety
When were the Building Regulations introduced?
1965
Who is responsible for setting the Building Regulations?
Department for Levelling Up, Housing and Communities
What is the result of failing to comply with the Building Regulations?
Fine and/or enforcement notice
Which buildings do Building Regulations apply to?
Most new buildings and most alterations to existing buildings
What is the difference between a full plans notice and a building notice?
Full plans notices are typically used on new construction and comprise full plans of the proposed works for review and approval by Building Control. Whereas a Building Notice is only a notification that works will commence, which are subject to inspections by an Approved Inspector.
Draw a king post roof.
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Draw a queen post roof
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Which RICS information paper would you refer to on flat roofs?
Flat Roof Coverings 2nd Edition
What is sarking felt?
A barrier fixed to the underside of pitched roofs to create a barrier from the elements
What is double lap tiling?
Where a minimum two layers of tile are present in anyone location and are fixed to battens using tile nibs and nail holes. Tiles are mechanically fixed every 4th row.
What is single lap tiling?
Installation of single tiles typically using a tongue and groove detail. Tiles are mechanically fixed every 2nd course.
What is a curtain wall system?
A non-load-bearing enclosure comprising glazing or metal panels in a light metal framework that is tied back to the structure of a building.
What is a stick system?
A type of curtain wall system comprising a grid made up of mullions and transoms typically infilled with glazing or metal panels. These are installed and connected together piece by piece.
