{"id":440088,"date":"2024-10-20T08:12:53","date_gmt":"2024-10-20T08:12:53","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-143892023\/"},"modified":"2024-10-26T15:21:51","modified_gmt":"2024-10-26T15:21:51","slug":"bs-en-143892023","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-143892023\/","title":{"rendered":"BS EN 14389:2023"},"content":{"rendered":"
This document specifies a method for evaluating the working life of noise reducing devices used alongside roads according to the relevant exposure conditions. It also specifies a method for determining the acoustic characteristic at the end of the working life.<\/p>\n
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2<\/td>\n | undefined <\/td>\n<\/tr>\n | ||||||
7<\/td>\n | 1 Scope 2 Normative references 3 Terms and definitions <\/td>\n<\/tr>\n | ||||||
8<\/td>\n | 4 Determination of the characteristics <\/td>\n<\/tr>\n | ||||||
10<\/td>\n | 5 Report <\/td>\n<\/tr>\n | ||||||
11<\/td>\n | Annex A (normative)Roadside exposure \u2013 Classification of environmental conditions <\/td>\n<\/tr>\n | ||||||
13<\/td>\n | Annex B (informative)Material standards B.1 General B.2 References for material standards <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" Road traffic noise reducing devices. Procedures for assessing long term performance<\/b><\/p>\n |