General requirements

13322 Figured glass

Figured glass shall have sufficient imprinting of texture or pattern to totally or substantially obscure vision and yet allow to transmit light. Figured glass for ordinary use shall be clear. Coloured or tinted may be used for special specified purposes.

The pattern or texture of figured glass shall be approved by the Engineer prior to use.
13323 Opal glass

Opal glass shall be white or colour opal on both faces as approved by the Engineer.

13324 Wired glass

Wired glass shall be Georgian or in normal hexagonal mesh. Wired glass shall be transparent, translucent or figured as may be specified in the schedule.

13325 Glass blocks

Glass blocks shall be translucent glass capable of carrying their own weight. Both surfaces of the blocks shall have normal pressed finish. The jointing faces shall be shaped or coated to ensure adequate bond between glass and concrete or mortar surfaces.

1333 Putty

Putty for glazing shall be quick hard setting tropical putty specially manufactured for glazing works.

1334 Polished plate glass for Mirror

Mirrors shall be produced in 6mm thick polished plate glass, silvered on one side. Silvering Quality (S.Q) shall depend on the standard of finish required. Mirror work shall be understood as including all related work including mirror, shelf or cabinet and fixing as indicated in schedule.

134 FIXING

Fixing rebates and grooves shall be clean, dry and un-obstructed at the time of sealing and glazing. Edge clearance shall be equal all round each pane, and not more than 2mm play all around and whether puttied or not, glass shall be beaded to frames.

External glazing shall be wind and watertight on completion.
Smears and excess compound and sealant shall be removed at completion. Both faces shall be cleaned with approved cleaner and the surface left free from scratches.
135 METHODS OF MEASUREMENT

Bedding, mastic and the like and fixing beads shall be understood to be included.

Cleaning before fixing glazing and at completion shall be understood to be included.

Unless otherwise stated glass shall be measured by the net cut area. Alternately glazing to louvers and special fixing may be enumerated or measured by length stating the size.

Panel of irregular shapes shall be measured as the smallest rectangle from which such irregular shapes can be cut.
Glass panes of special shape and decoration shall be enumerated.
Mirror shall be enumerated stating size.
No deduction shall be made to voids in glazing.