GB/T 20487-2018 English PDF

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GB/T 20487-2018: Urban fire-danger weather ratings
Status: Valid

GB/T 20487: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 20487-2018	199	Add to Cart	3 days	Urban fire-danger weather ratings	Valid
GB/T 20487-2006	359	Add to Cart	3 days	Urban fire-danger weather ratings	Obsolete

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Basic data

Standard ID: GB/T 20487-2018 (GB/T20487-2018)
Description (Translated English): Urban fire-danger weather ratings
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: A47
Classification of International Standard: 07.060
Word Count Estimation: 10,128
Date of Issue: 2018-09-17
Date of Implementation: 2019-04-01
Older Standard (superseded by this standard): GB/T 20487-2006
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 20487-2018: Urban fire-danger weather ratings

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Urban fire-danger weather ratings ICS 07.060 A47 National Standards of People's Republic of China Replace GB/T 20487-2006 City fire danger weather level Published on.2018-09-17 Implementation of.2019-04-01 State market supervision and administration China National Standardization Administration issued

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 20487-2006 "City Fire Risk Meteorological Grade". Compared with GB/T 20487-2006, except for editorial modifications The main technical changes are as follows. --- Removed 10 terms and their definitions, namely. temperature (see 2.1.1 in.2006), relative humidity (see 2.1.3 in.2006), Wind speed (see 2.1.5 in.2006), wind (see 2.1.7 in.2006), precipitation (see 2.1.9 in.2006), precipitation (see 2.1.10 of the.2006 edition), urban fire hazard meteorological grade (see 2.1.15 of the.2006 edition), fire risk climate assessment (see.2006) Version 2.1.16), short-term forecast of fire hazard meteorological grade (see 2.1.17 of.2006 edition), medium and long-term forecast of fire hazard meteorological grade (see Version 2.1.18 of the.2006 edition; --- Redefining four terms, namely urban fire insurance (see 2.1,.2006 version 2.1.13), urban fire risk weather index (see 2.2, The.2006 version of 2.1.14), the daily maximum wind speed (see 2.6,.2006 version of 2.1.6), daily precipitation (see 2.8,.2006 edition) 2.1.11); --- Removed the "abbreviations" (see 2.2 of the.2006 edition); --- "City Fire Risk Meteorological Factor" (see Chapter 4 of the.2006 edition) "Determining the Urban Fire Risk Meteorological Index" (see.2006 edition) Chapter 5) is merged into the “determination of the urban fire danger weather index” (see Chapter 4); --- Removed the "wind level and wind speed comparison table" (see Appendix A of the.2006 version). This standard was proposed by the China Meteorological Administration. This standard is under the jurisdiction of the National Meteorological Disaster Prevention and Reduction Standardization Technical Committee (SAC/TC345). This standard was drafted. Hubei Provincial Meteorological Service Center. The main drafters of this standard. Chen Zhenghong, Wang Lin, Cheng Chi, Lin Liyan. This standard was first published in August.2006 and this is the first revision. City fire danger weather level

1 Scope

This standard specifies the meteorological grade of urban fire insurance. This standard applies to the forecast and evaluation of meteorological grades for urban fire risks.

2 Terms and definitions

The following terms and definitions apply to this document. 2.1 Urban fire insurance urbanfire-danger The probability of a fire and the extent of personal injury or property damage. 2.2 Urban fire danger weather index urbanfire-dangerweatherindex Meteorological conditions evaluation indicators closely related to urban fire insurance. 2.3 Daily maximum temperature dailymaximumairtemperature The highest value of air temperature in a day. 2.4 Daily minimum relative humidity dailyminimumrelativehumidity The lowest value of relative humidity in a day. 2.5 Daily maximum winddailymaximumwindforce The highest value of wind in a day. 2.6 Daily maximum wind speed dailymaximumwindspeed The maximum value of the average wind speed for 2 minutes in a day. 2.7 Continuous no precipitation days numberofconsecutivedayswithoutprecipitation The number of consecutive days without precipitation since the last precipitation day (day precipitation ≥ 0.1 mm). 2.8 Daily precipitation dailyprecipitationamount The depth of accumulation in the horizontal plane without precipitation, infiltration, and loss of precipitation within one day. Note. Rewrite GB/T 35228-2017, definition 3.1.

3 city fire danger weather level

According to the Urban Fire Risk Meteorological Index (UFWI), the city's fire risk weather level is divided from low to high, low fire risk, low fire risk, medium fire. ......

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