Page 52 - SMM2 eBOOK

G.23 Walls, partitions, piers and chimney-stacks

1. Blockwork shall be given in square metres stating the thickness. Classification shall be as
follows:

a Walls and partitions (grouped together).
b. Fillings existing openings.
c Skins of hollow walls
d. Dwarf support walls.
e. Piers and chimney-stacks (grouped together).
f. Isolated casings (blockwork detached from other blockwork and not exceeding
1.50m mean girth on plan).
9 Blockwork used as formwork. Temporary strutting shall be given in the description.
h. Work in raising existing structures, stating the starting height above ground at which
the blockwork commences.

2. Blockwork finished with a fair face and blockwork finished with facing blocks different from
those in the body of the work shall each be so described stating whether to one or both
faces.

3. Filling ends of hollow blocks or providing special blocks with solid ends shall each be
given separately in metres as extra over the work in which they occur.

4. Fair returns shall be deemed to be included with the blockwork.

G.24 Backing to masonry

Blockwork in backing to masonry shall be given in square metres stating the thickness. Cutting
and bonding blockwork to masonry shall be given in the description.

G.25 Cavities in hollow walls

Forming and closing cavities in hollow walls shall be given in accordance with clause G.7.

G.26 Eaves filling

Blockwork in eaves filling shall be added to the general blockwork. The labour in eaves hiling
shall be deemed to be included except where the blockwork is designed to be used without
cutting the blocks, in which case it shall each be given in metres (measured overall) stating the
thickness of the wall.

G.27 Glass blockwork

1. Glass blockwork in walls and panels shall be given in square metres stating the thickness
of the blocks. Reinforcement shall be given in accordance with clause G.30.

2. Bedding the perimeter of glass blockwork in material different from the general mortar
shall be given in metres stating the width and the kind of bedding material.

Damp-proof courses

G.28 Generally

1. Particulars of the following shall be given:

a. Kind and quality of damp-proof material. b. Gauge, thickness or substance of sheet
material.

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