EN 12324-4-1999 en Irrigation Techniques - Reel Machine Systems - Part 4 Check List of Users Requirements《灌溉技术 轮机系统 第4部分 用户要求核对表》.pdf
《EN 12324-4-1999 en Irrigation Techniques - Reel Machine Systems - Part 4 Check List of Users Requirements《灌溉技术 轮机系统 第4部分 用户要求核对表》.pdf》由会员分享,可在线阅读,更多相关《EN 12324-4-1999 en Irrigation Techniques - Reel Machine Systems - Part 4 Check List of Users Requirements《灌溉技术 轮机系统 第4部分 用户要求核对表》.pdf(17页珍藏版)》请在麦多课文档分享上搜索。
1、BRITISH STANDARD BS EN 1232441999 Irrigation techniques - Reel machine systems - Part 4 Check list of users requirements The European Standard EN 1232441999 has the status of a British standard ICs 65.060.35 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGH LAW STD=BSI BS EN 3232V-4-
2、ENGL 1999 D lbZLibb9 OBL38Bb 931 D BS EN 1232441999 direction of the Engineering Amd. No. Date Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 November 1999 National foreword Comments This British Standard is the English hguage version of EN
3、 123244A999. The UK participation in its preparation was entrusted to Technical Committee AGE/30, higation and drainage equipment, which has the responsibility to: - aid enquirem to understand the text; - present to the responsible European committee any enquiries on the - monitor related internatio
4、nal and European developments and promulgate interpretation, or proposals for change, and keep the UK interests informed them in the UK A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement intrnation
5、a or European publications referred to in this document may be found in the BSI Stan - EN 12324-2, Irrigation techniques - Reel machine systems - Part 2: Specifications of polyethylene tubes for reel machines; - EN 12324-3, Irrigation techniques - Reel machine systems - Part 3: Presentation of techn
6、ical characteristics; - prEN IS0 8224-1, Traveller irrigation machines - Patt 1: Laboratory and field test methods. (DBSI 11-1999 Page 4 EN 1232441 999 1 scope This European Standard specifies the standard layouts of documents intended to guide the users while establishing programmes of equipment fo
7、r field equipment featuring one or more reel machine(s), and while reviewing estimates. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the pub
8、lications are listed hereafter. For dated references, subsequent amendments to or revisions of any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies. EN 12324-1
9、 , Irrigation techniques - Reel machine systems - Patt 1: Size series. EN 12324-2, irrigation techniques - Reel machine systems - Part 2: Specifications of polyethylene rubs for reel machines. EN 12324-3, Irrigation techniques - Reel machine systems - Part 3: Presentation of technical characteristic
10、s. prEN 12734, Irrigation techniques - Quick coupling pipes for movable irrigation supply. 3 Terms and definitions For the purpose of the present European Standard, the terms and definitions of EN 12324-1, EN 12324-2 and prEN IS0 8224-1 and the following terms and definitions apply. 3.1 evapotranspi
11、ration quantity of water transferred from the soil to the atmosphere by evaporation and plant transpiration. It is measured in mm/h or mm/day 3.2 potential evapotranspiration (ETRef or ETO) maximum quantity of water capable of being evaporated in a given climate, by a continuous expanse of grass veg
12、etation covering the whole ground and well supplied with water. It includes evaporation from the soil and transpiration from the vegetation in a specific region during a 24 hour period, expressed as a depth of water 3.3 maximum evapotranspiration (ET#) maximum quantity of water capable of being evap
13、otranspirated in a given climate by a given crop well supplied with water 4 Units In the present standard, units are: - ha (hectare) for agricultural surface areas; - mm/cm (mm of water application depth per cm of soil), for available field capacity at different depths in the soil; - mm for total fi
14、eld capacity of an agricultural soil; - mm/h for infiitration rate of water into soil; - m for dimensions of mechanical parts; - mm for pipe and nozzle diameters; (B BSI 11-1999 Page 5 EN 1232441 999 - m3/h for flow rates; - mh for travelling rate of a water emitting system (travelling gun or boom);
15、 - MPa for pressures; - kg for masses. 5 Programme of equipment for an irrigation installation including a reel machine(s) The programme of equipment is featuring the data, constraints and requirements, that the user has the responsibility to gather and present for the understanding of the plot to b
16、e equipped and the selection of the relevant necessary equipment. The recommended presentation form is given in annex A. 6 Estimate The standard layout of the estimate is featuring data on system design, description of the technical characteristics of the system, and includes the estimate presented
17、by the installator. The recommended presentation form is given in annex B. (D BSI 11-1999 Page 6 EN 12324-4:1999 Annex A (informative) Recommended presentation form of the programme of equipment for an irrigation installation including a reel machine) USERS PROGRAMME OF EQUIPMENT Standard presentati
18、on conforming to EN 12324-4. The programme of equipment is established from the following data, constraints and requirements, that the user has the responsibility to gather and present for the understanding of the plot to be equipped and the selection of the relevant necessary equipment. Al Plot sit
19、uation User: Address: . Phone: . Fax: . The user shall provide: - a map with spot heights showing the entire farm; - a detailed land registry map of the plots to be irrigated with indication o, the direction of crop lines, the delimitation of the drained zones with indication of Row direction, the l
20、ocation of water supply points either installed or to be installed, buildings, obstacles, height of electric lines (safety), areas where irrigation is to be prevented, and other design constraints. A2 Water resource AZ.1 Nature The farm water resource is: O collective irrigation network: O pressuriz
21、ed O open flow U individual water supply: O river or canal intake O well or drill O lake O small dam reservoir O other: . Page 7 EN 1232441 999 Point 1 Total volume of water available (TWA), m3 O yearly O daily Available supply flow-rate (ASFR), m3/h Pressure (MPa ) A.2.2 Avallabllity Point 2 Point
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