{"id":341750,"date":"2024-10-19T23:58:01","date_gmt":"2024-10-19T23:58:01","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-20-30397008-dc-2020\/"},"modified":"2024-10-25T23:11:08","modified_gmt":"2024-10-25T23:11:08","slug":"bsi-20-30397008-dc-2020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-20-30397008-dc-2020\/","title":{"rendered":"BSI 20\/30397008 DC 2020"},"content":{"rendered":"<p>This document is applicable to the trenchless construction, trenchless replacement techniques and testing of new drains and new sewers in the ground usually operating as gravity or pressure pipelines, formed using prefabricated pipes and their joints.<\/p>\n<p>Renovation techniques for existing pressure and non-pressure systems are not covered by this document.<\/p>\n<p>Methods of trenchless construction include:<\/p>\n<ul>\n<li>\n<p>manned and unmanned techniques;<\/p>\n<\/li>\n<li>\n<p>steerable and non-steerable techniques.<\/p>\n<\/li>\n<\/ul>\n<p>Mining or tunnelling (e.g. <i>in situ<\/i> construction or the use of prefabricated segments) are not covered by this document although some parts may apply to these methods.<\/p>\n<p>Requirements for associated pipeline installation work other than trenchless construction, e.g. for manholes and inspection chambers, are not covered by this document and are specified in <span class=\"std\"><span class=\"std-ref\">EN&nbsp;1610<\/span><\/span>. This also applies to pipes that are subsequently installed within entry and exit shafts\/pits.<\/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>1<b><\/td>\n<td>30397008-NC  <\/td>\n<\/tr>\n<tr>\n<td><b>3<b><\/td>\n<td>41_e_stf (1)  <\/td>\n<\/tr>\n<tr>\n<td><b>7<b><\/td>\n<td>1 Scope <br \/> 2 Normative references <br \/> 3 Terms and definitions  <\/td>\n<\/tr>\n<tr>\n<td><b>9<b><\/td>\n<td>4 General <br \/> 4.1 Technical principles <br \/> 4.2 Safeguarding design decisions  <\/td>\n<\/tr>\n<tr>\n<td><b>10<b><\/td>\n<td>5 Construction components and materials <br \/> 5.1 General <br \/> 5.2 Pipes and joints <br \/> 5.3 Manholes and inspection chambers <br \/> 5.4 Delivery, handling and transportation on site <br \/> 5.5 Storage  <\/td>\n<\/tr>\n<tr>\n<td><b>11<b><\/td>\n<td>5.6 Other materials <br \/> 6 Techniques <br \/> 6.1 Classification  <\/td>\n<\/tr>\n<tr>\n<td><b>13<b><\/td>\n<td>6.2 Unmanned techniques <br \/> 6.2.1 General <br \/> 6.2.2 Non-steerable techniques <br \/> 6.2.2.1 General <br \/> 6.2.2.2 Soil displacement techniques  <\/td>\n<\/tr>\n<tr>\n<td><b>17<b><\/td>\n<td>6.2.2.3 Soil removal techniques  <\/td>\n<\/tr>\n<tr>\n<td><b>20<b><\/td>\n<td>6.2.3 Steerable techniques <br \/> 6.2.3.1 Microtunnelling  <\/td>\n<\/tr>\n<tr>\n<td><b>27<b><\/td>\n<td>6.3 Manned techniques <br \/> 6.3.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>28<b><\/td>\n<td>6.3.2 Non-steerable techniques <br \/> 6.3.3 Steerable techniques <br \/> 6.3.3.1 General <br \/> 6.3.3.2 Shield (open) with Partial Face Excavation without Support or with Mechanical Partial Support  <\/td>\n<\/tr>\n<tr>\n<td><b>29<b><\/td>\n<td>6.3.3.3 Shield (open) with Partial Face Excavation without Support or with Mechanical Partial Support by Compressed Air Pressurization of the Working Face <br \/> 6.3.3.4 Shield (open) with Full Face Excavation with Mechanical Partial Support with-out or by Compressed Air Pressurization of the Working Face <br \/> 6.3.3.5 Shield (closed) with Full Face Excavation and Fluid Support and Compressed Air (Mixshield)  <\/td>\n<\/tr>\n<tr>\n<td><b>30<b><\/td>\n<td>6.3.3.6 Shield (closed) with Full Face Excavation and Earth Pressure Balance (EPB shield) <br \/> 6.3.3.7 Heading  <\/td>\n<\/tr>\n<tr>\n<td><b>31<b><\/td>\n<td>6.3.4 Other manned techniques <br \/> 7 Requirements of planning and construction <br \/> 7.1 General <br \/> 7.2 Basic evaluation, design and construction planning <br \/> 7.2.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>32<b><\/td>\n<td>7.2.2 Survey of existing structures and systems <br \/> 7.2.3 Subsoil and groundwater  <\/td>\n<\/tr>\n<tr>\n<td><b>34<b><\/td>\n<td>7.2.4 Minimum clear dimensions <br \/> 7.2.5 Subsidence, heaves, cover <br \/> 7.2.6 Layout of the line <br \/> 7.2.7 Tolerances  <\/td>\n<\/tr>\n<tr>\n<td><b>35<b><\/td>\n<td>7.2.8 Starting, intermediate and target pits <br \/> 7.2.9 Working face support <br \/> 7.2.10 Additional measures in water bearing subsoil  <\/td>\n<\/tr>\n<tr>\n<td><b>36<b><\/td>\n<td>7.2.11 Obstacles <br \/> 7.2.12 Soil conditioning <br \/> 7.2.13 Structural calculation <br \/> 7.2.14 Construction site arrangement <br \/> 7.3 Work preparation and construction <br \/> 7.3.1 General  <\/td>\n<\/tr>\n<tr>\n<td><b>37<b><\/td>\n<td>7.3.2 Starting, intermediate and target pits <br \/> 7.3.3 Exit and entry processes <br \/> 7.3.4 Launch and reception shafts <br \/> 7.3.5 Overcut <br \/> 7.3.6 Recording and logging of jacking parameters  <\/td>\n<\/tr>\n<tr>\n<td><b>38<b><\/td>\n<td>7.3.7 Support of the working face <br \/> 7.3.8 Lubricant and supporting medium <br \/> 7.4 Avoidance of damage  <\/td>\n<\/tr>\n<tr>\n<td><b>39<b><\/td>\n<td>8 Inspection and testing of pipelines after installation <br \/> 8.1 General <br \/> 8.2 Visual inspection <br \/> 8.3 Leaktightness  <\/td>\n<\/tr>\n<tr>\n<td><b>40<b><\/td>\n<td>9 Qualifications  <\/td>\n<\/tr>\n<tr>\n<td><b>41<b><\/td>\n<td>Annex\u00a0A (informative)Abstract from Directive\u00a02014\/25\/EU of the European Parliament and of the Council of 26\u00a0February\u00a02014 on procurement by entities operating in the water, energy, transport and postal services sectors and repealing Directive\u00a02004\/17\/EC (Text with EEA relevance)  <\/td>\n<\/tr>\n<tr>\n<td><b>42<b><\/td>\n<td>Annex\u00a0B (informative)Planning information for the application of different systems  <\/td>\n<\/tr>\n<tr>\n<td><b>50<b><\/td>\n<td>Annex\u00a0C (informative)Typical ranges of application regarding diameters and lengths in suitable soil  <\/td>\n<\/tr>\n<tr>\n<td><b>52<b><\/td>\n<td>Annex\u00a0D (informative)Typical ranges of application for selected trenchless techniques regarding diameters and lengths in suitable soils  <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p><b>BS EN 12889. Trenchless construction and testing of drains and sewers<\/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>2020<\/td>\n<td>53<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":341758,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-341750","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/341750","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\/341758"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=341750"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=341750"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=341750"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}