Premise Isolation and Thermal Expansion Floor Mounted Tank

Applies to

contractor

Instruments

CSA B125, "Plumbing Fittings"

Document date

April 6, 2025 update

Drawing OMPAC-008-2025 from the Ontario Municipal Plumbing Advisory Committee, distributed through the City of Toronto's building forms index alongside its other backflow prevention templates. A single sheet pairs the text of Article 7.6.1.11 on thermal expansion with an isometric of two hot water tanks, a floor mounted expansion tank and the metered service, showing D.C.V.A. and R.P. backflow preventer options, the bypass, flushing valve, pressure test tee and city seal. Blank lines collect tank make, model, supply pressure, relief valve settings and device sizes.

Publisher

Ontario Municipal Plumbing Advisory Committee

Category

Forms and schedules · plumbing

Published under

Toronto Building Forms Index — the municipality's own heading

Alias

Backflow Prevention Information Templates Ompac

Agencies

Ontario Municipal Plumbing Advisory Committee · Large Municipalities Chief Building Officials Committee

Work types

plumbing · water service · backflow prevention

Covers note

Read from the page image — the PDF is a scan with no text layer. It is a drawing rather than a form, so these are the sheet's printed heading, its quoted article headings, the sizing block and the labelled entry blocks, plus the title block.

Publisher note

Drawing OMPAC-008-2025, issued by the Ontario Municipal Plumbing Advisory Committee — an advisory committee to the Large Municipalities Chief Building Officials Committee — and distributed by the City of Toronto through its Toronto Building forms index.

Tags

drawingplumbingbackflow-preventionthermal-expansionpremise-isolation

File

the document at Toronto

Found on

toronto.ca/services-payments/building-construction/buildin…