Skills Proficiency awards in Basic Fabrication ... - City & Guilds

2.38 Carry out parallel line development techniques of right and oblique angled
branches
a cylinders of equal and unequal diameters on and off centre, true shape of
hole in main.
b cylindrical branches on the corners of rectangular ducting on centre; true
shape of hole in main.
c right cylindrical segmental bends
d right cylinder on right segmental bend on centre.
2.39 Carry out radial line development techniques
a right cone cut obliquely
b right pyramid cut obliquely
c oblique cone cut square and obliquely.
2.40 Produce curves of intersection using the principle of the common
central sphere
a pipe connections
b elbows formed by right cylinders and right cones.
2.41 Produce curves of intersection using the principles of projection.
2.42 Produce curves of intersection using the principles of cutting planes confined
to examples of simple form only
a circular section planes
b square section planes.
2.43 Carry out triangulation development techniques
a right and oblique cones of long taper
b square or rectangle-to-circle transformers between parallel planes
c square and rectangular tapered hoppers between parallel planes
d on and off centre.
2.44 Identify weld symbols and their application.
2.45 Identify pipe contents from colour coding
a water: drinking, fire fighting, untreated
b compressed air, steam
c natural gas
d oil (basic colour only)
e acids, alkaline.
2.46 Produce sketches of simple fabrications and pipework.
2.47 Extract details from general arrangement drawings of fabricated work.
2.48 Interpret pipe arrangement drawings
a orthographic, simple isometric
b sketch pipe details
c prepare materials list.
30 Skills Proficiency awards in Basic Fabrication, Welding and Pipework