File:Mechanical Contracting and Plumbing January-December 1909 (1909) (14597174840).jpg

Identifier: mechcontract1909toro (find matches)
Title: Mechanical Contracting & Plumbing January-December 1909
Year: 1909 (1900s)
Authors:
Subjects: Air conditioning Refrigeration and refrigerating machinery Heating Plumbing
Publisher: Toronto : Maclean-Hunter Pub. Co.
Contributing Library: Fisher - University of Toronto
Digitizing Sponsor: University of Toronto

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ons there were absolutely none eachbidder being requested to submit his ownspecification with his bid. Each of thebidders, after spending a great deal moretime in figuring the job than would other-wise have been necessary, submitted hisproposition, but all to no purpose, assuch a wide variation of ideas was foundand such a lack of uniformity in thecost of the work that the designers werecompelled to readvertise for bids on auniform and carefully drawn plumbingplan and specification. The plumbing for a building should beso indicated in the drawings and describ-ed in the specifications as to cover every-thing required, and so clear and conciseas to be readily understood by the aver-age plumbing contractor. The positionsof all mechanical appliances in connec- tion with the plumbing should be clearly sump pits, conductor lines, etc., shouldshown upon whatever floor plan such be located beyond dispute. Blanchesappliance may be located. All runs of to risers with size plainly indicated, to-
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Met hod of Drawing Connection of Fixtures and Character of Risers, the Lo-cation of Which are Shown by Letters on Basement Plan. piping through basement, together withthe size of same, should be conciselyindicated in the basement drawing.He use traps, bell traps, area drains, gether with with location of such risers,should be shown, and valves and stopcocks should be plainly indicated.In addition to the plumbing lines PLUMBER AND STEAMFITTER July 1, 1909. shown on the plans, there should be pre-pared a riser diagram/ showing the serv-ing of each and every fixture on eachfloor of the building. This riser diagramshould show clearly all water lines, wastelines, soil lines, vent lines, fire lines, etc.,at each and every floor throughout thebuilding, giving the relative position andarrangement of the waste and vent linesfor each fixture, with the sizes of all linesplainly designated. Pipes of the variouscharacters can be indicated by differentkinds of broken or dotted lines, with aproperly

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