1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 12484-1:1999 The Eu
2、ropean Standard EN 12484-1:1999 has the status of a British Standard ICS 65.060.35 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Irrigation techniques Automatic turf irrigation systems Part 1: Definition of the programme of equipment by the ownerThis British Standard, having
3、 been prepared under the direction of the Engineering Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 July 1999 BSI 07-1999 ISBN 0 580 32054 5 BS EN 12484-1:1999 Amendments issued since publication Amd. No. Date Comments National foreword Th
4、is British Standard is the English language version of EN 12484-1:1999. The UK participation in its preparation was entrusted to Technical Committee AGE/30, Irrigation and drainage equipment, which has the responsibility to: aid enquirers to understand the text; present to the responsible European c
5、ommittee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. Cross-r
6、eferences The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic C
7、atalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document
8、comprises a front cover, an inside front cover, the EN title page, pages 2 to 9 and a back cover.CEN European Committee for Standardization Comite Europe en de Normalisation Europa isches Komitee fu r Normung Central Secretariat: rue de Stassart 36, B-1050 Brussels 1999 CEN All rights of exploitatio
9、n in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12484-1:1999 E EUROPEAN STANDARD EN 12484-1 NORME EUROPE ENNE EUROPA ISCHE NORM January 1999 ICS 65.060.35 Descriptors: irrigation, open spaces, automatic systems, installation, automatic control, specifications
10、English version Irrigation techniques Automatic turf irrigation systems Part 1: Definition of the programme of equipment by the owner Techniques dirrigation Installations avec arrosage automatique inte gre des espaces verts Partie 1: De finition du programme de quipement par le ma tre douvrage Bewa
11、sserungstechniken Automatische Rasenbewa sserungssysteme Teil 1: Festlegung der Aufgaben und Ausru stungen durch den Eigentu mer This European Standard was approved by CEN on 4 December 1998. CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for
12、 giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CEN member. This European Standard exists in three official
13、versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgi
14、um, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.Page 2 EN 12484-1:1999 BSI 07-1999 Foreword This European Standard has been prepared by Technical Committee CEN/TC 334, Irr
15、igation techniques, the Secretariat of which is held by AFNOR. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by July 1999, and conflicting national standards shall be withdrawn at the latest by Jul
16、y 1999. Other parts of this standard are: EN 12484-2, Irrigation techniques Automatic turf irrigation systems Part 2: Design and definition of typical technical templates; EN 12484-3, Irrigation techniques Automatic turf irrigation systems Part 3: Automatic control and system management; EN 12484-4,
17、 Irrigation techniques Automatic turf irrigation systems Part 4: Installation, acceptance and safety; EN 12484-5, Irrigation techniques Automatic turf irrigation systems Part 5: Testing methods of systems. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the
18、 following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Page Foreword 2 1 Scope 3 2
19、 Definitions 3 3 Units 4 4 Owners definitions concerning the equipment programme 4 4.1 Location 4 4.2 Water resources 4 4.3 Characteristics of the soils 4 4.4 Climatological characteristics 5 4.5 Owner specifications regarding the data and constraints in the automatic turf irrigation system definiti
20、on 5 4.6 Owner specifications regarding the needs and requirements in the automatic turf irrigation system definition 5 Annex A (informative) Type of recommended check list to define the data and constraints of the irrigation equipment programme 6 Annex B (informative) Type of recommended check list
21、 to define the needs and requirements of the irrigation equipment programme 8Page 3 EN 12484-1:1999 BSI 07-1999 1) 1 bar = 10 5 Pa = 100 kPa. 1 Scope This part of EN 12484 specifies the data, irrigation needs, constraints and requirements which have to be presented and quantified by the owner in ord
22、er to initiate the system design, equipment sizing and realization of automatic turf irrigation systems. This part of EN 12484 is applicable to irrigation projects with a surface larger than 1 ha, such as golf courses, race courses, large municipal parks and sports fields. This part of EN 12484 may
23、not be applicable to residential applications equal to or smaller than 1 ha for which the home owner could not provide all the data listed hereafter. Annexes A and B are informative and give the type of controls which can be used as a guideline for defining data, needs, constraints and requirements.
24、 2 Definitions For the purposes of this standard the following definitions apply. 2.1 owner individual or legal entity described by this term in the contract documents on whose behalf the work or works are performed 2.2 project manager individual or legal entity to whom, because of his proficiency,
25、the owner entrusts the task of designing the project, directing the performance of the contract and proposing the acceptance of and the settlement for the work 2.3 rain fall supply the amount of water which falls on a unit of horizontal surface in a given unit of time as natural and/or artificial ra
26、in (in mm/h) 2.4 flow rate the volume of water which flows past a particular cross-section in a unit of time (in l/s or in m 3 /h) 2.5 evapotranspiration quantity of water transferred from the soil to the atmosphere by evaporation and plant transpiration, measured in mm/h or mm/day 2.5.1 potential e
27、vapotranspiration (ETP or ET) maximum quantity of water capable of being evaporated in a given climate, by a continuous expanse of vegetation 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
28、 a 24 h period, expressed as a depth of water. 2.5.2 maximum evapotranspiration (ETM) maximum quantity of water capable of being evapotranspirated in a given climate by a given crop well supplied with water 2.6 crop coefficients (k c ) factors correcting the evapotranspiration ratio according to the
29、 plant and its growing stage 2.7 granulometry of a soil distribution by size of the particles of a soil 2.8 relative humidity expressed as a percentage representing the ratio of the water vapour present in the air to the vapour which the same air could contain if saturated 2.9 dynamic pressure press
30、ure exerted by a liquid moving along the walls of a pipe or at the nozzle of a sprinkler, measured in Pascal (Pa) 1) This is the reference pressure used for sizing the network. 2.10 soil moisture reservoir amount of water that may be available in the soil (in mm/cm) 2.11 available moisture reservoir
31、 of the soil amount of water that may be available in the soil and can be taken up by plants (in mm/cm) 2.12 soil structure the arrangement of particles into aggregates which occur in a variety of recognized shapes and sizes 2.13 texture characteristics of a soil resulting from the size and nature o
32、f its components 2.14 flow velocity vector indicating the speed and direction of a moving liquid; commonly used for mean velocity (m/s) 2.15 infiltration rate rate at which a given soil absorbs water per unit area (mm/h) 2.16 wind speed speed of air movement at 2 m above the ground surface in unobst
33、ructed surroundings (in m/s)Page 4 EN 12484-1:1999 BSI 07-1999 1) 1 bar = 10 5 Pa = 100 kPa. 3 Units a) area: hectare (ha); b) soil water reservoir: in mm of water per cm of soil (mm/cm); c) infiltration rate of water into the soil: mm/h; d) dimensions of components and pipe diameters: mm; e) water
34、velocity: m/s; f) wind speed: m/s; g) flow rate: l/s, m 3 /h; h) pressure: kilopascal (kPa) 1) ; i) power: kW. For all other units, the SI system shall be used. 4 Owners definitions concerning the equipment programme This clause specifies the data that the owner shall gather for the knowledge of the
35、 site to be irrigated. 4.1 Location The owner shall provide: a) the latitude (in degrees), longitude (in degrees) and altitude (in metres) of the site; b) the identification of the area concerned by the irrigation system; c) the updated general plan, which should be marked in a metric and standard s
36、cale selected to provide good legibility. It should use the 1/100, 1/200, 1/500, 1/1000, 1/2000, 1/2500 scale according to the area to be equipped, with the following information: 1) contour level every 5 m with indication of the benchmark; 2) property and project boundaries; 3) networks and service
37、s, existing and planned; 4) buildings, existing and planned; 5) water sources with indication of available flow and pressure; 6) average ground water level; 7) electrical power supply points with specification of voltage and available capacity; d) the landscape layout plan of the area to be equipped
38、 with mention of: 1) types of vegetation, existing and planned; 2) types of soils; 3) roads and pavements, existing and planned; 4) other obstacles; 5) presence of rocks and stones; 6) pipe conduits and planned conduits; 7) area not to be watered; e) and more generally, all the constraints and oblig
39、ations to which the owner is subjected (for example archaeological site). 4.2 Water resources 4.2.1 Characteristics The owner shall indicate the origin of the water resource(s): a) potable water network; b) irrigation water: pressurized network or free surface; c) untreated industrial water, recycle
40、d water; d) individual supply from river, bore hole, well, lake, small dam, reservoir, etc. The owner shall also indicate the characteristics and water analysis results (physical, chemical and bacteriological properties) of the water resource. 4.2.2 Availability of water 4.2.2.1 Water supply already
41、 installed The owner shall specify for each installed water supply point: a) total volume of water available on yearly basis; b) total volume of water available on irrigation season basis; c) available flow rate; d) available pressure; e) daily and seasonal water availability schedule. 4.2.2.2 Legal
42、 authorizations Many authorities and organizations are involved in the use of water resources. It is the responsibility of the owner to contact all the parties involved and to obtain a permit for abstraction of sufficient water quantity for the planned project. 4.3 Characteristics of the soils The o
43、wner shall indicate the nature and the major agronomic characteristics of the types of soil found on the project area to be equipped: a) usual designation of the type of soil in the region; b) information relating to the topsoil and subsoil survey; c) soil analysis and/or estimate of its structure a
44、nd particle size; d) depth of the usable roots zone; e) soil water holding capacity; f) infiltration rate; g) existing or planned drainage; h) all other specific characteristics which can affect the irrigation project.Page 5 EN 12484-1:1999 BSI 07-1999 4.4 Climatological characteristics The owner sh
45、all supply the major characteristics of the weather conditions affecting the irrigation and shall indicate these data sources: a) sunshine: number of days and hours per day during the irrigation period; b) temperature: minimum, maximum and average temperature per month; c) potential evapotranspirati
46、on with calculation method; d) rain fall; e) wind. The owner shall indicate the amount of rain fall during the period which will be considered as the reference for the system design. The average rain fall per period of time is indicated. The quinquennial frequency of the rain fall, if available, wil
47、l be specified or the characteristics of the five driest years during the last 20 years. The owner shall indicate the characteristics of the wind pattern affecting the irrigation project: f) range of wind speed, duration during the irrigation season shown in chart form; g) direction of prevailing wi
48、nd; h) other factors; i) more generally, all factors likely to affect the irrigation project (glare, shade, etc.). 4.5 Owner specifications regarding the data and constraints in the automatic turf irrigation system definition The owner shall indicate the constraints to be considered for defining the
49、 irrigation system: a) areas to be irrigated; b) areas not to be irrigated; c) areas where underground pipe installation is not allowed; d) control zoning criteria for the irrigation area; e) authorized and prohibited days for irrigation; f) authorized daily irrigation cycle period; g) more generally, all other constraints (technical, legal or other) which may affect the specifications of the irrigation project. 4.6 Owner specifications regarding the needs and requirements in the automatic turf irrigation system
