{"id":312996,"date":"2024-10-19T21:32:14","date_gmt":"2024-10-19T21:32:14","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-iso-21225-22018\/"},"modified":"2024-10-25T19:35:09","modified_gmt":"2024-10-25T19:35:09","slug":"bs-en-iso-21225-22018","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-iso-21225-22018\/","title":{"rendered":"BS EN ISO 21225-2:2018"},"content":{"rendered":"<p>This document specifies requirements and test methods for pipes and fittings which are part of plastics piping systems for the trenchless replacement of various underground pipeline networks, underground non-pressure and pressure drainage and sewerage networks and underground water and gas supply networks, by means of horizontal directional drilling and impact moling.<\/p>\n<p>It is applicable to polyethylene (PE) pipes and fittings, as manufactured, as well as to the installed replacement system.<\/p>\n<p>This document is intended to be used in conjunction with standards applicable for the construction of PE pipeline systems where available.<\/p>\n<p>Regarding manufactured pipes it is applicable to three different PE pipe types:<\/p>\n<ul>\n<li>\n<p>PE solid wall single layered pipes (nominal outside diameter, <i>d<\/i><sub>n<\/sub>), including any identification stripes;<\/p>\n<\/li>\n<li>\n<p>PE pipes with co-extruded layers on either or both the outside and inside of the pipe (total outside diameter, <i>d<\/i><sub>n<\/sub>), as specified in Annex&nbsp;A, where all layers have the same MRS rating;<\/p>\n<\/li>\n<li>\n<p>PE pipes (outside diameter, <i>d<\/i><sub>n<\/sub>) having a peelable, contiguous, thermoplastics additional layer on the outside of the pipe (\u201ccoated pipe\u201d), see Annex&nbsp;A.<\/p>\n<\/li>\n<\/ul>\n<p>In addition it is applicable to:<\/p>\n<ul>\n<li>\n<p>jointing of pipe lengths by means of butt fusion joint to form continuous strings prior to installation;<\/p>\n<\/li>\n<li>\n<p>fabricated and injection-moulded fittings made of PE.<\/p>\n<\/li>\n<\/ul>\n<p>Pipes made from other plastics, e.g. polypropylene (PP) are outside the scope of this document.<\/p>\n<p>This document is not applicable to push-fit jointed discrete pipes assembled as part of the trenchless installation process.<\/p>\n<h4>PDF Catalog<\/h4>\n<table border=\"1px\" class=\"des-table\">\n<tr>\n<th>PDF Pages<\/th>\n<th>PDF Title<\/th>\n<\/tr>\n<tr>\n<td><b>2<b><\/td>\n<td>National foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>4<b><\/td>\n<td>European foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>6<b><\/td>\n<td>Foreword  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>Introduction  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>1 Scope <br \/> 2 Normative references  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>3 Terms and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>3.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>12<b><\/td>\n<td>3.2 Techniques  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>3.3 Geometrics  <\/td>\n<\/tr>\n<tr>\n<td><b>14<b><\/td>\n<td>3.4 Materials  <\/td>\n<\/tr>\n<tr>\n<td><b>15<b><\/td>\n<td>3.5 Joints <br \/> 4 Symbols and abbreviated terms <br \/> 4.1 Symbols  <\/td>\n<\/tr>\n<tr>\n<td><b>16<b><\/td>\n<td>4.2 Abbreviated terms <br \/> 5 Design aspects <br \/> 6 Material selection <br \/> 6.1 Pipes and fittings  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>6.2 Regional requirements for pipes and fittings <br \/> 6.3 Ancillary components <br \/> 7 Installation practice <br \/> 7.1 Preparatory work <br \/> 7.2 Storage, handling and transport  <\/td>\n<\/tr>\n<tr>\n<td><b>18<b><\/td>\n<td>7.3 Equipment <br \/> 7.3.1 General <br \/> 7.3.2 Inspection equipment <br \/> 7.3.3 Lifting equipment <br \/> 7.3.4 Butt fusion equipment and debeading equipment <br \/> 7.3.5 Pipe skids\/rollers  <\/td>\n<\/tr>\n<tr>\n<td><b>19<b><\/td>\n<td>7.3.6 HDD equipment <br \/> 7.3.7 Impact moling equipment  <\/td>\n<\/tr>\n<tr>\n<td><b>20<b><\/td>\n<td>7.3.8 Electrofusion equipment <br \/> 7.4 Installation  <\/td>\n<\/tr>\n<tr>\n<td><b>21<b><\/td>\n<td>7.5 Process-related inspection and testing <br \/> 7.6 Finishing off <br \/> 7.7 Connection to the existing pipeline system  <\/td>\n<\/tr>\n<tr>\n<td><b>22<b><\/td>\n<td>8 Fitness for purpose <br \/> 8.1 General <br \/> 8.2 Final inspection <br \/> 8.3 Pressure testing <br \/> 8.4 Disinfection <br \/> 8.5 Documentation  <\/td>\n<\/tr>\n<tr>\n<td><b>24<b><\/td>\n<td>Annex A (normative) Layered pipes  <\/td>\n<\/tr>\n<tr>\n<td><b>25<b><\/td>\n<td>Annex B (informative) Pipe design considerations particular to HDD  <\/td>\n<\/tr>\n<tr>\n<td><b>27<b><\/td>\n<td>Bibliography  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>Plastics piping systems for the trenchless replacement of underground pipeline networks &#8211; Replacement off the line by horizontal directional drilling and impact moling<\/b><\/p>\n<table class=\"shortdes-table\" style=\"width: 100%\" border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td>Published By<\/td>\n<td>Publication Date<\/td>\n<td>Number of Pages<\/td>\n<\/tr>\n<tr>\n<td><a href=\"https:\/\/pdfstandards.shop\/product-category\/publishers\/bsi\/\"><b>BSI<\/b><\/a><\/td>\n<td>2018<\/td>\n<td>28<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":313005,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[1280,2641],"product_tag":[],"class_list":{"0":"post-312996","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-91-140-80","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/312996","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/313005"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=312996"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=312996"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=312996"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}