Measurement of water flow in closed conduits — Tracer methods — Part 1: General
Tracer methods apply to flow measurement in conduits into which a solution can be injected and those cases where effective mixing of this solution with the water flowing in the conduit can be achieved, this last condition being fundamental. Covers choice of method, choice of tracer, choice of measuring length and adequate mixing distance, and possible errors.
1. OBJEt
La présente norme a pour objet la description des caractéristiques physiques et
dimensionnelles des puisards préfabriqués en béton armé.
2. DOMAINE D'APPLICATIOn
2.1 La présente norme s'applique aux puisards préfabriqués en béton destinés à
être utilisés pour l'évacuation des eaux d'égouts, des eaux résiduaires
industrielles et des eaux de surface.
2.2…
Control of Electrochemical Corrosion of Underground Metallic Structures
1. Scope
1.1 The provisions of this Standard, forming a part of the Canadian Electrical Code, Part III, embody the applicable principles and general practices where underground metallic structures are subject to the risk of electro-chemical corrosion.
1.2 This Standard is issued for the guidance of all parties owning, controlling, or operating grounded electric systems and subsurface…
1. SCOPE
1.1 This Standard applies to complete, flue-connected, oil-fired warm air
appliances, irrespective of the heating capacity or the type of burner used.
1.2 The requirements given herein apply to appliances intended for
installation with the appliance base placed upon the floor, except as provided
for in Clause 1.4; and intended to be used with pipes or ducts for the…
