Inspection Flashcards
What your you look for when inspecting the outside of a building?
Method of construction Repair and condition of the exterior Car parking/ access/ loading arrangements Defects/ structural movement Site boundaries on title plan Age
What types of foundation are you aware off?
Trench/ strip footings
Raft
Piled
Pad
What is a trench foundation?
Also called strip footings
Used in resi for walls and closely spaced columns
What is a raft foundation?
A slab foundation spread over whole site to spread the load of light weight structures
What is piled foundation?
Long slender reinforced cylinders in the ground.
Used for high loads or less good ground conditions
What is a pad foundation?
A slab foundation under individual columns so load is spread evenly
What is the size of a brick
215 x 102.5 x 65
What types of walls are there?
Solid wall construction
Cavity wall construction
What is a solid wall construction?
Simplest type of wall with with headers, normally at least 1 brick thick
Flemish bond
English bond
What is a cavity wall construction?
2 layers of brickwork tied together with metal ties.
Installation in between
Evidence would include air brick or weep holes
If you saw white marks on brick what would it be?
Efflorescence
Caused when salts in the brick work reacts with water.
If brick work was crumbling what could it be a result of?
Spalling
Due to freeze/ thaw action
What is the specification of a grade A office building?
New AC Suspended ceiling - 350mm LG7 lighting Double glazed windows Raised floor - 150mm Good natural light 2.5-3 KN/ Sq M
What is the standard specification of an industrial unit?
Steal frame Min 8m clear eaves hight Min 30KN/ Sq M floor loading Plastic coated steel cladding Brick work up to 2m Full hight loading doors 5-10% offices Approximate site cover of 40%
What types of AC are you aware of?
Variable Air Volume (VAV) - highest capital cost but most flexible.
Fan Coil - cheap and flexible but expensive to manage
Variable Refrigerant Volume (VRV) - cheap but expensive to manage
Static Cooling (chilled beams) - low capital and running cost but not flexible
Comfort cooling - basic
What is R22?
R22 gas was made illegal to repair/ maintain in 2015 after a 10 year fading out period
Damages the ozone when released into the air
The EC Ozone Regulation
How would you find out the age of a building?
Ask client
Look at planning records
Land registry
Architectural style ( compare with comps)
How would you describe the construction method at Eldon house?
Concrete frame with solid Flemish bond wall on a pad foundation
The Eldon street elevation has a portland Stone facade and the Wilson street elevation is exposed red brick
What is a latent defect?
A fault in a property that could not have been discovered through reasonably thorough inspection
What is an inherent defect?
A defect in the design or material which has always been there
What would you do if you identified a defect on inspection?
Take photo
Try and establish the cause while on site
Inform client
Recommend specialist advice
What are the three main causes of defect?
Water
Movement
Deterioration of building material
What is the vertical downwards movement of a building and what is it caused by?
Subsidence
Loss of support on the site beneath the foundation
What is the expansion of the ground beneath a building?
Heave
Could be caused by tree removal
What would horizontal cracking in brickwork be?
Cavity wall tie failure
What is rising damp?
Moisture rising up the bricks in a building similar stopping around 1.5m
What defect would you likely find at Eldon House?
Dry rot (fungal) Wet rot Tile slippage Damp penetration at roof and ground floor level Water ingress around doors and windows Subsidence End of terrace
What is deleterious material?
Can degrade with age causing structural problems
Brown stain on concrete
High alumina cement (HAC)
1950/60/70
What act deals with contamination?
Environmental Protection Act 1990
How would you investigate contamination?
3 phases
- Review site history with desktop study and site inspection
- Investigation to identify nature and extent of contamination with detailed soil samples
- Remediation report