Rubber compounding ingredients — Sulfur — Methods of test
This document specifies methods of test for determining the main physical and chemical properties of sulfur used for compounding dry rubber.
Several of these properties can be determined by more than one test method and the user can choose the most appropriate method following the description of the test method principles provided under the corresponding clauses.
NOTE Typical levels for the…
Electric motors for use in hazardous locations — Protection by maintaining the concentration of flam...
1 Scope
1.1
This Standard applies to electric motors operating in flammable fluids that are maintained above the upper flammable limit (UFL), and the associated control systems to monitor and maintain the fluid concentration inside the motor above the UFL for use in hazardous locations in accordance with the Canadian Electrical Code, Part I.
Notes:
1)
This Standard is applicable for use only…
Household and similar electrical appliances - Safety - Part 2-75: Particular requirements for commer...
IEC 60335-2-75:2012+A1:2015+A2:2018 deals with the safety of electric commercial dispensing appliances and vending machines for preparation or delivery of food, drinks and consumer products, their rated voltage being not more than 250 V for single-phase appliances and 480 V for other appliances. Examples of appliances that are within the scope of this standard are bulk tea or coffee brewing…
Acoustics — Hearing protectors — Part 1: Subjective method for the measurement of sound attenuation
This document specifies a subjective method for measuring sound attenuation of hearing protectors at the threshold of hearing. The method is a laboratory method designed to yield reproducible values under controlled measurement conditions. The values reflect the attenuating characteristics of the hearing protector only to the extent that users wear the device in the same manner as did the test…
Optics and photonics — Optical coatings — Part 6: Minimum requirements for reflecting coatings
This document specifies minimum requirements on the optical effects and the mechanical, chemical and environmental properties of reflecting metal coatings. This document applies to reflecting metal coatings based on aluminium or silver for optical applications. Thereby the user is able to rely on defined numerical data while the manufacturer of thin films has the choice for the materials and…
1 Scope
1.1 General
This Standard provides requirements and recommendations for the design of bioretention systems intended for the management of urban stormwater runoff.
1.2 Bioretention systems covered by this Standard
The following types of bioretention systems are covered by this Standard:
a)
bioretention with underdrain and with no underdrain;
b)
biofilters (impermeable liner); and…
1 Scope
1.1
This Standard covers the construction considerations for bioretention systems.
1.2
This Standard covers the following items:
a)
roles and responsibilities;
b)
contract documentation;
c)
construction sequencing;
d)
erosion and sediment control for bioretention systems;
e)
construction documentation;
f)
material supply and handling;
g)
installation considerations;
h…
Erosion and sediment control inspection and monitoring
1 Scope
1.1 General
This Standard specifies minimum requirements for the inspection of ESC measures throughout the duration of a construction project, as well as requirements and recommendations for monitoring certain water quality parameters. It also includes a description of the required qualifications for a qualified erosion and sediment control inspector (QESCI) and a QESCI in-training (…
1 Scope
1.1
This Standard applies to outdoor bushings that have lightning impulse insulation levels 110 – 1950 kV. They are for use as components of liquid-filled transformers and reactors on systems with a nominal voltage of 15–765 kV.
1.2
This Standard provides electrical characteristics and provides dimensions for standard ratings.
1.3
This Standard defines service conditions, ratings,…
1 Scope
1.1
This Standard applies to switchgear insulated with solid dielectric material including devices such as
a)
switches;
b)
interrupting devices, including reclosers;
c)
circuit breakers; and
d)
control, metering, protective, and regulating equipment with associated interconnections and supporting structures.
1.2
This Standard applies to equipment with a nominal voltage greater…