1、BS EN 13160-6:2016Leak detection systemsPart 6: Sensors in monitoring wellsBSI Standards PublicationWB11885_BSI_StandardCovs_2013_AW.indd 1 15/05/2013 15:06BS EN 13160-6:2016 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 13160-6:2016.The UK participation in it
2、s preparation was entrusted to TechnicalCommittee PVE/393/2, Leak detection devices.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for its c
3、orrectapplication. The British Standards Institution 2016.Published by BSI Standards Limited 2016ISBN 978 0 580 86639 5ICS 23.020.01; 23.040.99; 29.260.20Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStan
4、dards Policy and Strategy Committee on 31 July 2016.Amendments/corrigenda issued since publicationDate T e x t a f f e c t e dBS EN 13160-6:2016EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 13160-6 July 2016 ICS 23.020.01; 23.040.99; 29.260.20 English Version Leak detection systems - Part 6:
5、Sensors in monitoring wells Systmes de dtection de fuites - Partie 6: Systmes statiques de dtection de fuites dans les puits pizomtriques Leckanzeigesysteme - Teil 6: Sensoren in berwachungsschchten This European Standard was approved by CEN on 8 April 2016. CEN members are bound to comply with the
6、CEN/CENELEC Internal Regulations which stipulate the conditions for 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 CEN-CENELEC Management
7、Centre or to any CEN member. This European Standard exists in three official 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 CEN-CENELEC Management Centre has the same status as
8、 the official versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Net
9、herlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2016 CEN All r
10、ights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 13160-6:2016 EBS EN 13160-6:2016EN 13160-6:2016 (E) 2 Contents Page European foreword . 3 1 Scope 4 2 Normative references 4 3 Terms and definitions . 4 4 General 4 5 Monitoring wells 4 6 Disc
11、riminating liquid sensors 6 7 Vapour sensor 7 8 Alarm device . 7 BS EN 13160-6:2016EN 13160-6:2016 (E) 3 European foreword This document (EN 13160-6:2016) has been prepared by Technical Committee CEN/TC 393 “Equipment for storage tanks and for filling stations”, the secretariat of which is held by D
12、IN. 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 January 2017, and conflicting national standards shall be withdrawn at the latest by January 2017. Attention is drawn to the possibility that so
13、me of the elements of this document may be the subject of patent rights. CEN and/or CENELEC shall not be held responsible for identifying any or all such patent rights. This European Standard Leak detection systems consists of 7 parts: Part 1: General principles Part 2: Requirements and test/assessm
14、ent methods for pressure and vacuum kits Part 3: Requirements and test/assessment methods for liquid systems for tanks Part 4: Requirements and test/assessment methods for sensor based leak detection systems Part 5: Requirements and test/assessment methods for in-tank gauge systems and pressurized p
15、ipework systems Part 6: Sensors in monitoring wells Part 7: Requirements and test/assessment methods for interstitial spaces, leak detection linings and leak detection jackets According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound
16、 to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,
17、 Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom. BS EN 13160-6:2016EN 13160-6:2016 (E) 4 1 Scope This European Standard specifies the requirements for leak detection systems class V for use with systems designed for fuels that are flammable, having a flash poi
18、nt up to but not exceeding 100 C. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the refere
19、nced document (including any amendments) applies. EN 131601:2016, Leak detection systems Part 1: General principles EN 13160-3:2016, Leak detection systems Part 3: Requirements and test/assessment methods for liquid systems for tanks EN 131604:2016, Leak detection systems Part 4: Liquid and/or vapou
20、r sensor systems for use in leakage containments or interstitial spaces EN 60529:1991, Degrees of protection provided by enclosures (IP Code) (IEC 60529:1989) 3 Terms and definitions For the purposes of this document, the terms and definitions given in EN 13160-1:2016 apply. 4 General This type of l
21、eak detection kit is classified according to EN 13160-1:2016 as class V. The general requirements on leak detection systems according to Clause 5 of EN 13160-1:2016 shall be met. 5 Monitoring wells Monitoring wells shall be installed in the ground, with a minimum diameter of 300 mm. Where liquid sen
22、sors are used, the monitoring well shall extend from the ground level to a depth of at least 1,0 m below: a) the lowest normal groundwater level or b) the lowest point of any tank or pipe, whichever is lower. Where vapour sensors are used, the monitoring well shall extend from the ground level to a
23、depth of at least 1,0 m below the lowest point of any tank or pipe. Where there is the risk that the normal groundwater level will fall below the point 1,0 m above the lowest perforation opening of a monitoring well, vapour sensors shall be used. Shall have a casing which is perforated uniformly, bo
24、th vertically and circumferentially, which extends from ground level to the lowest point of the well. The pattern of perforations shall be designed to permit entry of liquid into the well at any height, but shall be small enough to prevent inflow of the surrounding ground material. BS EN 13160-6:201
25、6EN 13160-6:2016 (E) 5 The casing should be constructed with sufficient strength so that the well is not distorted under pressure of the surrounding ground, whether empty or full of liquid. Shall have a top cap sealed to a minimum standard of IP 66 according to EN 60529:1991, to prevent entry into t
26、he well of surface water, liquid spills etc. The cap shall be removable to allow inspection of the contents of the well. Shall have a bottom seal fixed permanently to the casing to prevent the entry of ground material during installation or in service. Sufficient monitoring wells should be installed
27、 around a system and positioned to ensure that any leakage of stored product from any part of the system will reach a monitoring well. Specification for the monitoring well casing: Size: minimum 100 mm inner diameter Wall thickness: minimum 6,0 mm Material: e.g. Polyethylene (PE) or equivalent Slots
28、: 0,4 to 0,6 mm wide 45 to 55 mm long equally spaced around the circumference of the casing 6,8 mm vertical spacing. The casing shall be closed at the bottom. In ground conditions where fine soil is present that would pass through the slots a filter screen should be fitted of such size as to prevent
29、 passage of the ground material. Monitoring wells should not be used where the ground material does not allow adequate permeation of stored product or vapour between the storage system and the monitoring well. Monitoring wells should be surrounded by filler sand or pea shingle to at least 300 mm dia
30、meter. Construction of a monitoring well, see Figure 1. BS EN 13160-6:2016EN 13160-6:2016 (E) 6 Dimensions in millimetres Key 1 lockable well seal (IP 66 according to EN 60529:1991) 2 monitoring well cover 3 unperforated pipe in sealed area 4 groundwater level 5 ground material 6 perforated casing 7
31、 filler sand or pea shingle 8 sealed to prevent contamination from above 9 concrete or bitumen Figure 1 Construction of monitoring wells 6 Discriminating liquid sensors The liquid sensor of category 2 shall meet the requirements according to 4.1.2 and 4.1.4, if applicable and 4.1.5, 4.2.1 and 4.2.2
32、of EN 131604:2016. Shall be capable of differentiating between water and the stored product, and shall not give an alarm condition in the presence only of water. If the liquid sensor requires the presence of groundwater for correct operation, and the level of groundwater falls below the minimum or r
33、ises above the maximum necessary for correct operation, an alarm condition shall result. BS EN 13160-6:2016EN 13160-6:2016 (E) 7 7 Vapour sensor The vapour sensor shall meet the requirements according to 4.1.2 to 4.1.4, if applicable and 4.1.5, 4.2.1 and 4.2.2 of EN 131604:2016. The alarm device sha
34、ll enter an alarm condition in the presence of vapour of the stored product. Vapour sensors used in any location where there is the risk that they could become submerged in water or any other liquid shall sound an alarm on becoming submerged. 8 Alarm device An alarm shall be indicated on detecting t
35、he presence of stored product or on detecting the absence of water, when this is required for correct operation. An alarm device according to EN 13160-3:2016, 4.1.3.5 shall be provided. This page deliberately left blankThis page deliberately left blankBSI is the national body responsible for prepari
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