Page 128 - SMM2 eBOOK

T.12 Hacking out

Hacking out existing glass and preparing rebates (measured the perimeter of the pane) shall be
given in metres

Leaded lights and copper lights in openings

T.13 Generally

1. Particulars in accordance with clause T.2.1 shall be given with the addition of the
following:

a. Type, section and width of cames stating whether nominal or finished width and
whether reinforced
b. Shape of panes.
c. Average size of panes.

2. Leaded lights and copper lights over 300mm in both directions shall each be given
separately in square metres without distinction as to the size. Those not exceeding
300mm in one dimension shall be given in metres stating the width. Those not exceeding
300mm in both dimensions shall be enumerated stating the size.

Mirrors

T.14 Generally

Mirrors shall be enumerated stating the type, size and the method of fixing. Protective coatings,
holes, countersunk holes, brilliant cutting, polished edges, blackened edges, bevelled edges,
rounded corners and the like shall be given in the description.

Patent glazing

T.15 Generally

1. Patent glazing (measured over bars) shall be given in square metres stating the following:

a. Number of areas.
b. The length and spacing of the glazing bars.
c. The nature of the bearing and the span between bearings.

2. Patent glazing shall be classified as follows:

a. Roofs
b. Skylights.
c. Lantern lights stating the type (e.g. Iean- to, gable-ended, hipped, domed or barrel)
d. Vertical surfaces.

3. Opening portions of patent giazing shall be enumerated as extra over the work in which
they occur stating the size. Opening gear shall be given in the description stating the type
and the method of fixing.

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