Transcript Learning_Outcome_1.ppt

Unit 1003 Building methods and construction
technology
Learning Outcome 1
Know about foundations, walls
and floor construction
© Pearson Education 2010 Printing and photocopying permitted
Unit 1003 Building methods and construction
technology
Datum points
● Datum points are used to
transfer levels on
construction jobs.
● Site datums give a
reference point on site
for all levels. The site
datum will be set in
relation to an Ordnance
Survey Bench Mark
(OSBM).
© Pearson Education 2010 Printing and photocopying permitted
Unit 1003 Building methods and construction
technology
Substructures
● The substructure receives the load from the building and transfers it to
the ground. The main part of the substructure is the foundation.
● The entire area must be surveyed to select the correct type of
foundation.
● The wrong type could lead to the building collapsing.
© Pearson Education 2010 Printing and photocopying permitted
Unit 1003 Building methods and construction
technology
Types of foundation
What are these foundation
types?
© Pearson Education 2010 Printing and photocopying permitted
Unit 1003 Building methods and construction
technology
Damp proof course
● Damp proof course is used to prevent damp from getting into a building.
● Slate can be used as DPC.
● Damp proof membrane is used as a waterproof barrier over larger
areas, like floors.
© Pearson Education 2010 Printing and photocopying permitted
Unit 1003 Building methods and construction
technology
Floors
● Suspended timber floor – timber
joists span the floor. It is decked by
wooden material. Air bricks are fitted
beneath to prevent timber rot.
● Solid concrete floor – very durable,
with its depth set by the Building
Regulations.
● Floating floor – timber construction
on a concrete floor with decking on
timbers.
● When might these floor types be
used?
© Pearson Education 2010 Printing and photocopying permitted