IEA ECES ANNEX 27: Kvalitetsstyring af design, konstruktion og drift af borehulssystemer (jordvarme)

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Abstract

Annex 27 - Quality Management in Design, Construction and Operation of Borehole Systems summarizes the current situation and best technical practices in major countries using shallow geothermal technology today. In the majority of situations, employing the earth’s sub -surface for thermal energy storage is efficient, safe and reliable with a minimum of challenges encountered. However, in unique geological formations a lack of skill and experience by drilling equipment operators can result in problems that can range from simple and straight forward remedies to extreme damages with significant environmental impact. It is therefore essential that quality technical and management practices are utilized in all project phases to provide safe and reliable solutions that will meet the goals of system owners and end-users.
In many technical areas, guidelines, codes and standards are available to provide important rules and recommendations of best technical practices to prevent problems during construction and operation. However, only in few countries are such guidelines, codes and standards on shallow geothermal techniques available to achieve high quality design, construction and operation that result in safe and reliable systems.
Technical guidelines, codes or standards are available or planned in several countries that can significantly enhance the quality of Borehole Heat Exchangers (BHEs). Within the technical collaboration program, ECES (Energy Conservation through Energy Storage) of the International Energy Agency (IEA) an international working group of experts (IEA ECES Annex 27) was convened to compile and develop measures for quality management on an international basis.
Throughout the work of Annex 27, the French standardization organization AFNOR, proposed the development of a new European Standard (CEN-Standard). A Technical Committee CEN/TC 451 “Water wells and borehole heat exchangers” was established to further detail such a standard. This committee was split in two working groups,
 CEN/TC 451 WG 1 on “water wells”
 CEN/TC 451 WG 2 on “borehole heat exchangers”
Through a series of dialogs between managing directors and technical participants it became readily apparent that there was significant commonality between CEN/TC 451 WG 2 and Annex 27 work resulting in the decision that a collaborative effort between both groups was the most efficient avenue to pursue for a complete and comprehensive end product.
Bidragets oversatte titelIEA ECES ANNEX 27: Kvalitetsstyring af design, konstruktion og drift af borehulssystemer (jordvarme)
OriginalsprogEngelsk
TitelIEA ECES ANNEX 27 : Quality Management in Design, Construction and Operation of Borehole Systems
RedaktørerManfred Reuss
Antal sider18
ForlagIEA Technology Collaboration Programme on Energy
Publikationsdato1 nov. 2020
Sider54-72
StatusUdgivet - 1 nov. 2020

Emneord

  • Byggeri, miljø og energi

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