215 national and interstate standards came into force at the beginning of the month. Among them are a series of documents on robots and robotic devices, standards for gas equipment, and medical devices.
GOST 30734-2020, Roof window blocks. Specifications, replaced GOST GOST 30734-2000, Roof wooden window blocks. Specifications, twenty years old.
The new document applies not only to wooden roof window blocks but also to blocks made of polyvinyl chloride (PVC) profiles with translucent filling.
Window blocks in the attic (mansard windows) are installed in the plane of the pitched roof of the building at an angle of 15 ° - 85 °.
For functional purpose dormer windows are divided into basic, protective (burglary-resistant), with the function of emergency exit, resistant to collapse under the influence of snow loads and used in the smoke removal system.
According to GOST translucent roof window fillings must have the function of transmitting the visible spectrum of solar radiation (in the wavelength range from 770 to 380 nanometres) and ultraviolet radiation from the sun (in the wavelength range from 200 to 380 nanometres).
GOST 34689-2020, Subway cars. Technical requirements for transportation of disabled persons, came into force for the first time.
The document applies to new and modernized metro trains designed for people with disabilities, including those in wheelchairs.
Every car that has a control cabin (head car) is equipped with the seats for disabled passengers. One of the seats is for a passenger in a wheelchair.
Due to the use of auxiliary boarding devices when boarding and disembarking, disabled passengers do not have to overcome obstacles more than 30 mm high and gaps more than 50 mm.
Head cars must have support devices and devices for securing a wheelchair with a passenger, as well as special means of signaling, information and communication.
GOST R 58899-2020, Resilient, textile and laminate floor covering. Essential properties, has come into force for the first time.
The standard establishes requirements for resilient, textile, laminated floor coverings, tiles and panels concerning health and fire safety.
The standard does not allow pentachlorophenol (PCP) or its derivatives as components in floor coverings.
To provide comfortable conditions in terms of antistatic and protection of electronic equipment from electrical discharges, voltage over 5 kV, the floors in the premises of residential and public buildings should be made with a coating of antistatic materials with a specific surface electrical resistance in the range from 1-106 to 1-109 Ohm.
The surface of the flooring shall not be slippery. Permissible coefficient of friction (static and dynamic) when moving in footwear in residential, public and industrial premises is not less than 0.35 on dry surfaces and not less than 0.4 on wet floor coverings.