2 - Construction Technology and Environmental Services Flashcards
What are the two types of piling?
- Friction - forces through the surface of pile
- End bearing - forces through the toe of the pile
What Environmental legislation are you aware of that relate to your area of practice?
- Building Act 1984 and building regulations
- Part L - Conservation of Fuel and Power
- Part F - Ventilation
- Environment Act
- Climate Change Act 2008
What did the Environment Act do in the UK?
- Established the Environment Agency
- Placed duty on Secretary of State to create environmental policies
What are the key elements of a structure?
- Substructure foundations
- Superstructure (main and secondary steel)
- Envelope
- Internal partitions
- MEP Services
- FF&E
What are the advantages and disadvantages of using concrete?
- Quick fabrication time
- Can make nearly any shape
- Fireproof
- Less maintenance
- Heavy
- High carbon footprint
- Slow and harder to erect
- Not easy to modify
- Quality problems in UK
What are the advantages and disadvantages of using steel?
- Quick erection
- Recyclable
- Common in the UK - long standing industry
- Modifiable (to a degree)
- Lighter
- Not fireproof
- High carbon footprint
- Longer lead time
What are the main components of a concrete floor?
- Subgrade
- Granular grade
- Rebar mesh
- Concrete
- Various membranes as required
What are the main components of a mezzanine deck?
- Structure
- Deck type - metsec, boarded, composite steel
- Crinkly tin
- Mesh and concrete
What is power floating?
Using a machine to ensure a smooth, dense and uniform finish on a concrete surface
What is the cladding detail used on your project?
- Composite panel
- Attached to cladding rails via top hat detail
- Cap sections put over to close gaps
What is the roofing detail used on your project?
- Insulated metal roof panels fixed to the purlins
- Capping detail to join the panels
- Relevant details around the siphonics etc.
What do you know about the Building Act 1984?
- Set out the building regulations
- Established the rights for local authorities to enforce these
How does building regulations approval work?
- Via LPA or Approved Inspector
- Full Plans submission via the LPA
- Ultimately must obtain a Completion Certificate
What is a curtain wall?
Outer most part of a building which is not structural and so lighter materials can be used.
What are the different types of foundation?
- Deep (piled)
- Shallow
- Pad
- Raft
- Ground beam
What are the different types of ground improvement methods?
- Compaction
- Stone columns
- Vitrification
- Lime stabilisation
- Soil nailing
What different types of piling are you aware of?
- Precast driven
- Steel tube driven
- Screw piling
- Vibro sheet piling
- CFA piling
- Contiguous and secant piling
What different types of ground works are you aware of?
- Site clearance
- Topsoil strip
- Cut and fill or excavation to level
- Compaction and consolidation
- Battering
- Foundation excavations
- Stockpiling and balancing
- Arisings disposal
What type of ventilation system are there?
- Natural - Window, openings
- Mixed Mode - Bit of both
- Extract only - Kitchen
- Supply and extract - German fire systems
- HVAC - Treating an internal space
What are the elements of an HVAC system?
- Heating element such as a furnace to heat air
- Fans to circulate air
- Ductwork, textile socks, diffusers etc. to distribute air
- Cooling refrigerant to cool air
- Extract and supply
What is a packaged RTU?
Has all the elements of an HVAC system in one unit
What is an AHU and what does it do?
Air handling unit. It effectively regulates air going in and out of a space and can manage heating, cooling, filtration etc.
What HVAC systems do you have on the Basingstoke Project?
- Packaged rooftop units for the main warehouse
- VRFs in various parts of the offices
What is a VRF system?
- Variable refrigerant flow system
- Circulates only the refrigeration that is needed
- Allows control of individual zones
