{"id":430816,"date":"2024-10-20T07:24:52","date_gmt":"2024-10-20T07:24:52","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-en-175222023\/"},"modified":"2024-10-26T14:05:17","modified_gmt":"2024-10-26T14:05:17","slug":"bs-en-175222023","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-en-175222023\/","title":{"rendered":"BS EN 17522:2023"},"content":{"rendered":"

This document covers standardization in the field of geological and environmental aspects, design, construction, operation, monitoring, maintenance and decommissioning of grouted borehole heat exchangers for uses in geothermal energy systems. This document is only applicable for backfilled and grouted boreholes, it is not applicable for groundwater-filled boreholes. Direct expansion and thermal syphon techniques are excluded from this document.<\/p>\n

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nundefined <\/td>\n<\/tr>\n
9<\/td>\n1 Scope
2 Normative references <\/td>\n<\/tr>\n
10<\/td>\n3 Terms and definitions <\/td>\n<\/tr>\n
12<\/td>\n4 Geological and environmental aspects
4.1 General <\/td>\n<\/tr>\n
13<\/td>\n4.2 Geological and hydrogeological risks
4.2.1 Artesian aquifers
4.2.2 Stacked aquifers with different groundwater potential
4.2.3 Groundwater and soil chemistry
4.2.4 Gas occurrence
4.2.5 Ground stability <\/td>\n<\/tr>\n
14<\/td>\n4.2.6 Contrasting geological sequence (Alternated bedding)
4.2.7 Karst geology <\/td>\n<\/tr>\n
15<\/td>\n4.2.8 Frost susceptibility
4.2.9 Groundwater protection area
4.3 Anthropogenic risks and constraints
4.4 Environmental aspects
4.4.1 General
4.4.2 Influence on groundwater <\/td>\n<\/tr>\n
16<\/td>\n4.4.3 Environmental impact due to construction works
4.4.3.1 General
4.4.3.2 Materials
4.4.3.3 Drilling process
4.4.3.4 Waste management <\/td>\n<\/tr>\n
17<\/td>\n5 System description
5.1 General
5.2 Borehole heat exchanger <\/td>\n<\/tr>\n
19<\/td>\n5.3 Horizontal piping
5.4 Manifolds <\/td>\n<\/tr>\n
20<\/td>\n5.5 Thermal plant
6 Materials
6.1 General properties
6.2 Materials
6.2.1 Polymeric materials <\/td>\n<\/tr>\n
22<\/td>\n6.2.2 Connection methods <\/td>\n<\/tr>\n
23<\/td>\n6.2.3 Metallic materials
6.3 Heat transfer fluid <\/td>\n<\/tr>\n
24<\/td>\n6.4 Backfilling materials
6.4.1 General
6.4.2 Grouting material <\/td>\n<\/tr>\n
25<\/td>\n6.4.3 Other backfilling materials requirements
6.5 Component selection criteria
6.5.1 General
6.5.2 BHE loops <\/td>\n<\/tr>\n
26<\/td>\n6.5.3 Horizontal pipes
6.5.4 Manifolds
6.5.5 Heat transfer fluid
7 Design
7.1 Steps of design <\/td>\n<\/tr>\n
27<\/td>\n7.2 Sizing
7.2.1 General <\/td>\n<\/tr>\n
28<\/td>\n7.2.2 General methodology
7.2.2.1 General <\/td>\n<\/tr>\n
29<\/td>\n7.2.2.2 Inputs
7.2.2.3 Sizing criteria <\/td>\n<\/tr>\n
30<\/td>\n7.2.2.4 Calculation procedure
7.2.2.5 Outputs <\/td>\n<\/tr>\n
31<\/td>\n7.2.3 Thermal properties of the ground <\/td>\n<\/tr>\n
32<\/td>\n7.2.4 Thermal Response Test (TRT)
7.2.4.1 General
7.2.4.2 Theoretical background
7.2.4.3 Line source approximation <\/td>\n<\/tr>\n
34<\/td>\n7.2.4.4 TRT test apparatus <\/td>\n<\/tr>\n
36<\/td>\n7.2.4.5 TRT procedure
7.2.4.6 Test evaluation <\/td>\n<\/tr>\n
38<\/td>\n7.2.4.7 Correct use of the results <\/td>\n<\/tr>\n
39<\/td>\n7.2.4.8 Documentation of results
7.2.5 Calculation and modelling procedure
7.2.5.1 General <\/td>\n<\/tr>\n
40<\/td>\n7.2.5.2 BHE models
7.2.6 Simulation
7.2.6.1 General <\/td>\n<\/tr>\n
41<\/td>\n7.2.6.2 Starting time
7.2.6.3 Simulation\/calculation time
7.2.7 Hydraulic design <\/td>\n<\/tr>\n
42<\/td>\n8 Construction
8.1 General
8.2 Site preparation and planning <\/td>\n<\/tr>\n
43<\/td>\n8.3 Drilling
8.3.1 General
8.3.2 Drilling diameter
8.3.3 Drilling fluid
8.3.4 Monitoring and documentation of the drilling process <\/td>\n<\/tr>\n
44<\/td>\n8.4 Borehole heat exchanger loop
8.5 Borehole heat exchanger loop installation <\/td>\n<\/tr>\n
45<\/td>\n8.6 Backfilling and grouting procedure
8.6.1 General
8.6.2 Grouting procedure <\/td>\n<\/tr>\n
46<\/td>\n8.6.3 Other backfilling procedure
8.7 Horizontal piping <\/td>\n<\/tr>\n
47<\/td>\n8.8 Testing and checking of BHE \u2013 Leakage, flow, grouting, geophysical measurements
8.9 Manifolds <\/td>\n<\/tr>\n
48<\/td>\n9 Start-up
9.1 General
9.2 Heat transfer fluid
9.3 Filling of the system
9.4 Drying of new buildings
9.5 Commissioning <\/td>\n<\/tr>\n
49<\/td>\n9.6 Documentation
10 Operation, monitoring and maintenance
10.1 Operation
10.2 Monitoring
10.2.1 General <\/td>\n<\/tr>\n
50<\/td>\n10.2.2 Temperature
10.2.3 Pressure
10.2.4 Flow rate
10.3 Maintenance <\/td>\n<\/tr>\n
51<\/td>\n11 Renovation
12 Decommissioning
12.1 General
12.2 Heat transfer fluid
12.3 Borehole heat exchangers
12.3.1 Backfilled boreholes <\/td>\n<\/tr>\n
52<\/td>\n12.4 Horizontal pipes
12.5 Documentation <\/td>\n<\/tr>\n
53<\/td>\nAnnex A (informative)Insulation of horizontal piping <\/td>\n<\/tr>\n
54<\/td>\nAnnex B (informative)Example simulation time
B.1 General
B.2 Single house, unbalanced energy design <\/td>\n<\/tr>\n
55<\/td>\nB.3 Field of 30 houses with an unbalanced design <\/td>\n<\/tr>\n
56<\/td>\nB.4 Field with 400 houses with an unbalanced design
B.5 Conclusion <\/td>\n<\/tr>\n
57<\/td>\nAnnex C (informative)Commissioning checklist <\/td>\n<\/tr>\n
59<\/td>\nAnnex D (informative)Examples of thermal conductivity and volumetric – heat capacity of the underground <\/td>\n<\/tr>\n
61<\/td>\nAnnex E (informative)Main drilling methods <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Design and construction of backfilled and grouted borehole heat exchangers<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2023<\/td>\n64<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":430824,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-430816","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\/430816","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\/430824"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=430816"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=430816"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=430816"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}