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Basic dataStandard ID: LY/T 1069-2022 (LY/T1069-2022)Description (Translated English): (Sawn timber air drying process regulations) Sector / Industry: Forestry Industry Standard (Recommended) Classification of Chinese Standard: B69 Classification of International Standard: 65.020.01 Word Count Estimation: 17,138 Date of Issue: 2022-09-07 Date of Implementation: 2023-01-01 Issuing agency(ies): State Forestry and Grassland Administration LY/T 1069-2022: (Sawn timber air drying process regulations)---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.ICS 65.020.01 CCSB90 Forestry Industry Standard of the People's Republic of China Replace LY/T 1069-2012 Sawn timber air drying process regulations Released on 2022-09-07 2023-01-01 Implementation Released by the State Forestry and Grassland Administration forewordThis document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules for Standardization Documents" drafting. This document replaces LY/T 1069-2012 "Sawn Timber Air Drying Process Specification". Compared with LY/T 1069-2012, the main technical The changes are as follows. --- Deleted the normative reference document "LY/T 1068" (see Chapter 2 of the.2012 edition); ---Change "coniferous sawn timber" to "coniferous sawn timber" (see 4.2, 5.1, 4.2, 5.1 of the.2012 edition); ---Change the "timber" in the annotation of the mobile pile foundation structure diagram to "horizontal wood" (see Figure 3, Figure 3 of the.2012 edition); ---Change "basic principles of sawn timber stacking" to "basic principles of stacking" (see 5.3, 5.3 of the.2012 edition); --- Added wood end surface coating treatment (see 5.3.1.4); --- Changed the spacer requirements (see 5.3.2.1, 5.3.2.1 of the.2012 edition); ---Changed the size of the spacer between the sawn timber of needles and broad-leaved trees in the stacking method (see Table 1, Table 1 of the.2012 edition); --- Increased the size of the spacer between conifer sawn timber in the stacking method (see Table 1); ---Change "stacking with side forklift" to "stacking with forklift" in the pile size stacking method, and change "combined with chamber drying" to "drying with kiln combined" (see Table 2, Table 2 of the.2012 edition). Please note that some contents of this document may refer to patents. The publisher of this article assumes no responsibility for identifying patents. This document is proposed and managed by the National Timber Standardization Technical Committee (SAC/TC41). This document is drafted by. Heilongjiang Wood Science Research Institute, Nantong Pinmu Technology Co., Ltd., Shengyida Wood Drying Equipment Co., Ltd. company. The main drafters of this document. Jia Xiaoran, Liu Shanshan, Lu Lei, Zhou Yafei, Zhang Qian, Cui Xiaolei, Xu Jinquan, Cong Debao. The previous versions of the documents replaced by this document are as follows. ---First published as LY/T 1069-1992 in.1992; ---The first revision in.2012 was LY/T 1069-2002; ---The second revision in.2012 was LY/T 1069-2012. Sawn timber air drying process regulations1 ScopeThis document specifies the technical conditions of the board yard, the accumulation of sawn timber, and the management of the air-drying process during the air-drying process of sawn timber. This document applies to the air drying of needle and hardwood sawn timber for various purposes.2 Normative referencesThe content in the following documents constitutes the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document. GB/T 6491-2012 Drying quality of sawn timber GB/T 15035 Wood Drying Terms3 Terms and DefinitionsThe terms and definitions defined in GB/T 15035 apply to this document.4 Technical conditions of board yard4.1 Site conditions The terrain of the board yard should be flat and dry, with a drainage slope of 0.2% to 0.5%. There should be drainage ditches around the board yard to facilitate drainage. 4.2 Board yard division According to the tree species and specifications of the sawn timber, the board yard is divided into several wood pile groups, and each wood pile group has 4 to 10 small wood piles. Vertical and horizontal between groups Channels are separated. The longitudinal passage should be north-south, so that the front of the stack is not exposed to direct sunlight, and the longitudinal passage is parallel to the main wind direction. When the two conflict, the latter Subject to the former, the longitudinal channel is parallel to the length direction of the stack. The layout of coniferous sawn timber piles grouped in the board yard plan is shown in Figure 1.Broad-leaved trees The grouping configuration of sawn timber piles is shown in Figure 2. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of LY/T 1069-2022_English be delivered?Answer: Upon your order, we will start to translate LY/T 1069-2022_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of LY/T 1069-2022_English with my colleagues?Answer: Yes. The purchased PDF of LY/T 1069-2022_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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