Test method for measuring efficiency and pressure loss of drain water heat recovery units
Scope
1.1
This Standard specifies requirements for measuring the heat recovery efficiency and pressure loss for vertically installed, falling-film drain water heat recovery (DWHR) units.
1.2
This Standard applies to DWHR units
(a) of any diameter and length;
(b) with a configuration where potable water and drain water flow rate is equal; and
(c) with a flow rate range of 5.5 to 14 L/min.
1.3
In…
Scope
1.1
This Standard specifies requirements for the durability and safety of vertically installed, falling-film drain water heat recovery (DWHR) units.
1.2
This Standard applies to DWHR units of any diameter and length and configuration for use with potable water, and to their components and materials supplied by the manufacturer, their assembly and installation instructions, and their…
Fire-performance and antistatic requirements for conveyor belting
Scope
1.1
This Standard specifies fire-performance and antistatic requirements for new (unused) conveyor belting for use in any part of a mining or excavation operation that is below the surface.
1.2
This Standard covers fire-performance and antistatic conveyor belting of the following types:
(a) Types A1 and A2 intended for use in explosive atmospheres; and
(b) Types B1-A, B1-B, B2, and…
Water quality — Estimation of measurement uncertainty based on validation and quality control data
This International Standard specifies methods for the estimation of measurement uncertainty of chemical and
physicochemical methods in single laboratories based on validation data and analytical quality control results
obtained within the field of water analysis.
NOTE 1 The principles of the estimation of uncertainty specified in this International Standard are consistent with the
principles…
Ships and marine technology — Ships' ordinary rectangular windows
This International Standard specifies the classification of rectangular windows for ships (series, types and models), and gives the dimensions for interchangeability and construction, materials, tests, marking and designation of these rectangular windows.
NOTE 1 This International Standard is based on the experience of ships' window and glass manufacturers, shipbuilders and authorities who…
Ships and marine technology — Ships' side scuttles
This International Standard specifies the classification of side scuttles for ships (series, types and models), and gives the dimensions for interchangeability and construction, materials, tests, marking and designation of these framed side scuttles with thermally toughened safety glass panes.
NOTE This International Standard is based on the experience of side scuttles and glass manufacturers,…
Trenchless applications of ductile iron pipes systems — Product design and installation
1 Scope
This International Standard specifies the requirements, test methods and installation technologies applicable
to ductile iron pipes used in trenchless applications:
— to convey water or wastewater;
— operated with or without pressure.
NOTE In this International Standard, all pressures are relative pressures expressed in bar(s)1).
This International Standard specifies materials, dimensions…
This International Standard specifies the minimum requirements for billing of all consumption-based utility
network services to domestic customers. It covers the processes required to produce the bill and to deal with
issues that arise after the bill has been sent, as well as the content of the billing document or statement. This
International Standard is applicable to utility network services…
STANDARD METHOD OF FIRE RESISTANCE TEST – GREASE DUCT ASSEMBLIES
1 SCOPE
1.1 This Standard specifies a method of test and criteria for the determination of the fire resistance of grease ducts under standardized fire conditions. The requirements are intended to evaluate the ability of the grease duct to resist the spread of fire. See Appendix A for additional information.
1.2 This Standard also covers requirements to evaluate the ability of the duct to…
Environmental risk assessments at class I nuclear facilities and uranium mines and mills
Scope
1.1 Facilities
1.1.1 Types of facilities
1.1.1.1
This Standard addresses ERAs for Class I nuclear facilities and uranium mines and mills. These facilities include
(a) nuclear reactors;
(b) uranium mines, mills, refineries, and conversion plants;
(c) uranium fuel fabrication plants;
(d) isotope processing facilities;
(e) particle accelerators with a beam energy equal to or…
