This section is from the book "Modern Buildings, Their Planning, Construction And Equipment Vol2", by G. A. T. Middleton. Also available from Amazon: Modern Buildings.
Measure per foot super. State thickness. Describe as cross-tongued and screwed. If with brass screws, state it, and if prepared for lead.
As described under Shelves.
Measure per foot super., and bill by weight. "Lead in sinks and cisterns" is billed together. Take the two ends and bottom in one piece, and a piece for each side. Allow 1 inch for lap at soldered angles, and the thickness of the sides for turn over at top.
Measure per foot run. Take four vertical angles, and two where sides meet the bottom.
Measure per foot run around top edge.
Number and describe, and state size, as, e.g., "2-inch Dubois drawn-lead trap with brass cap and screw burnt in, and joint to lead pipe."
Measure per foot run, stating size and weight per yard. Include wall-hooks or lead tacks, etc., and fixing. Bends may also be included to pipes under 2-inch internal diameter.
Note that where a sink is on an upper floor (unless the waste delivers into a rain-water head) the vertical waste should be carried up as a ventilating pipe, and a branch joint taken; and if more than one sink delivers into the same vertical waste, an antisiphonage pipe will be necessary.
Number as extra on the piping.
Number, stating diameter of pipes, thickness of walls, and kind of facings, if any.
Number and describe, stating size.
Number and describe. If supported on bearers plugged to the wall, include them and state their size.
Number the sinks for Joiner's attendance, as, e.g.:-
Joiner attend Plumber to sink.
Number. If with cobweb grating, include it.
See under Leadlined Sinks.
Measure per foot super., and describe as in small quantities.
This may be taken out in detail and described as in small quantities over sinks, but is much better numbered and fully described, stating size, etc., as, e.g.:-
Tile lining over side and end of sink, total length 6.0 x 1.6 high, with Maw & Co.'s tiles, p.c. 10s. per yard at manufactory, and including angle tiles, and all cutting and waste, and making good edge of plaster to same.
As previously described to Lead-lined Sinks. Attendance. - Ditto.