Located Fire

Flame retardants must be accompanied by technical documentation for their application, which reflects the following figures and characteristics – appearance, body weight (density) and the estimated consumption – storage conditions and transportation of – information on application techniques (methods of surface preparation, number of coats and drying conditions, application equipment) – the event for safety and fire safety storage, transport and application (for formulations based on organic solvents) – thickness of the coating layer after drying, which provides fire-resistance rating – the operating conditions (humidity limits, ambient temperature, etc.) – lifetime warranty coverage (life) – the order of checking the quality of the coating – the test for flame retardance – definition of protocols factor reducing long-term allowable current loads – information about the features and frequency of replacement or restoration of coverage, depending on operating conditions – instructions on removing the technology coverage (in if necessary) – how to recycle coatings. OZS must have the property of adhesion with respect to the cable sheath material and previously coated flame-retardant coatings, but also does not attack on their outer coverings for the life of the cable. Fire retardant coating used in corrosive environments, high temperatures and humidity and other atmospheric effects, should have the appropriate resistance to these factors, within the limits specified in technical terms. OZS that do not contain toxic ingredients and organic solvents, used for fire protection of cables, located in the following areas and facilities: The existing power facilities, built and commissioned before 1981, where the electrical design features of the economy or adopted Project equipment layout decisions can not be separate sections of outside plant facilities with automatic fire extinguishing in double floors and channels under the premises of switchgear panels, boards and systems Administration (KRA, TSSCHU, CR, RSCHU, PCS, etc.) In cable installations of substations and hydroelectric plants, which according to the norms do not provide automatic fire-extinguishing equipment, but need to improve level of reliability of equipment and machinery; in cable trays and cable constructions fuel-coal-fired power plants. In this case, fire-retardant treatment of cables can not be reason for not implementing measures to prevent the accumulation of coal dust in cable trays and on building structures, cable structures in the district boiler houses, start-up and peak boilers Located on the grounds power to improve the reliability of their work in a possible fire, in the technological and computer rooms galleries of diesel, steam turbine, gas turbine and other power plants. Application for OZS Organic solvents are allowed on the cable lines, laid open, outside of buildings and structures, subject to the additional fire safety measures and controls the work performed. In case of need improve fire safety operation of cable constructions power plants equipped with automatic fire-fighting facilities, a decision on the need for additional use fireproof cable coverings made chief technical advisor. Flame retardants and coatings must meet the requirements of NPB 238 'Fireproof cable coatings. General technical requirements test methods' and have certificates of compliance, fire safety and hygiene.