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L.41 Nailing
Nailing shall be described and given in metres stating the spacing.
L.42 Collars around pipes and standards
Collars around pipes, standards and the like members (grouped together) shall be enumerated
giving dimensions Burned or brazed joints to sheet metalwork shall be given in the description.
L.43 Cesspools and sumps
Linings to cesspools, sumps and the like (grouped together) shall be enumerated stating the
size. Outlets and burned or brazed angles shall be deemed to be included.
L.44 Dots, ornaments and plugs
Cast lead dots, soldered dots, cast lead ornaments, lead plugs and the like shall each be
enumerated separately.
L.45 Underlay
Underlay shall be given as clause L.15.
Sheet metal flashings and gutters
L.46 Generally
1. Particulars as clause L.38.1 shall be given.
2. Clips and tacks shall be given in the description stating the material to be used and the
method of fixing. No allowance shall be made in the area or length of the sheet metalwork.
3. Intermediate laps and intermediate seams in linear items (i.e. Iaps and seams in running
lengths) shall be given in the description stating the extent of lap and the type of seam. No
allowance in measurement shall be made. Passings at ends, angles and intersections of
item shall be deemed to be included in the items.
L.47 Profiles
Where profiles are required to be given in accordance with the following clauses, drawn
information of the section shall be given unless the section can be adequately described or is of
sheet lead or other ductile material capable of being dressed in the same manner when the
labours shall be described and the girth stated.
L.48 Flashings
1. Flashings, stepped flashings, aprons, weatherings to cornices, cappings to hips, ridges,
kerbs and the like shall each be given separately in metres stating the profile in
accordance with clause L.47.
2. Scalloped or othenwise shaped edges, wedging into grooves, dressing over tilting fillets
and the like labours shall each be given in the description.
3. Dressing into hollows, into channels and over mouldings shall be given in the description
stating the girth.
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