TCM 121 TEST 1 2026 REVISION NOTES AND
STRUCTURED TRANSPORTATION
INFRASTRUCTURE OVERVIEW GUIDE
◉ Retemper. Answer: To mix concrete or mortar again without
adding water.
◉ Brick. Answer: Small clay block used in construction of walls and
buildings
◉ Flashing. Answer: A thin, continuous sheet of metal, plastic,
rubber, or waterproof paper used to prevent the passage of water
through a joint in a wall, or chimney.
◉ Hollow brick. Answer: Clay brick with up to 60% void area
◉ Head joint. Answer: The vertical layer of mortar between ends of
masonry units.
◉ Collar joint. Answer: The vertical mortar joint between wythes of
masonry.
, ◉ Structural bond. Answer: The interlocking pattern of masonry
units used to tie two or more wythes together in a wall.
◉ Common bond. Answer: Brickwork laid with five courses of
stretchers followed by one course of headers.
◉ Flemish bond. Answer: Brickwork laid with each course
consisting of alternating headers and stretchers.
◉ English bond. Answer: Brickwork laid with alternating courses,
each consisting entirely of headers or stretchers
◉ Cavity wall. Answer: A masonry wall that includes a continuous
airspace between its outermost wythe and the remainder of the
wall.
◉ Running bond. Answer: Brickwork consisting entirely of
stretchers.
◉ Lead. Answer: A corner or wall end accurately constructed with
the aid of a spirit level to serve a guide for placing the bricks in the
remainder of the wall.
STRUCTURED TRANSPORTATION
INFRASTRUCTURE OVERVIEW GUIDE
◉ Retemper. Answer: To mix concrete or mortar again without
adding water.
◉ Brick. Answer: Small clay block used in construction of walls and
buildings
◉ Flashing. Answer: A thin, continuous sheet of metal, plastic,
rubber, or waterproof paper used to prevent the passage of water
through a joint in a wall, or chimney.
◉ Hollow brick. Answer: Clay brick with up to 60% void area
◉ Head joint. Answer: The vertical layer of mortar between ends of
masonry units.
◉ Collar joint. Answer: The vertical mortar joint between wythes of
masonry.
, ◉ Structural bond. Answer: The interlocking pattern of masonry
units used to tie two or more wythes together in a wall.
◉ Common bond. Answer: Brickwork laid with five courses of
stretchers followed by one course of headers.
◉ Flemish bond. Answer: Brickwork laid with each course
consisting of alternating headers and stretchers.
◉ English bond. Answer: Brickwork laid with alternating courses,
each consisting entirely of headers or stretchers
◉ Cavity wall. Answer: A masonry wall that includes a continuous
airspace between its outermost wythe and the remainder of the
wall.
◉ Running bond. Answer: Brickwork consisting entirely of
stretchers.
◉ Lead. Answer: A corner or wall end accurately constructed with
the aid of a spirit level to serve a guide for placing the bricks in the
remainder of the wall.
