Registration number (WIID)Project No.TitleStatus
11698LVS EN 253:2003Preinsulated bonded pipe systems for underground hot water networks - Pipe assembly of steel service pipes, polyurethane thermal insulation and outer casing of polyethyleneAtcelts
11220LVS EN 253:1994Preinsulated bonded pipe systems for underground hot water networks - Pipe assemblies for steel service pipes, polyurethane thermal insulation and outer casing of polyethyleneAtcelts
10725LVS EN 1918-5:2011 LGas supply systems - Underground gas storage - Part 5: Functional recommendation for surface facilitiesAtcelts
10200LVS EN 1918-1:2011 LGas supply systems - Underground gas storage - Part 1: Functional recommendation for storage in aquifersAtcelts
11413LVS EN 1776:2000Gas supply systems - Natural gas measuring stations - Functional requirementsAtcelts
10199LVS EN 1775:2011 LGas supply - Gas pipework for buildings - Maximum operating pressure less than or equal to 5 bar - Functional recommendationsStandarts spēkā
11412LVS EN 1775:2000Gas supply - Gas pipework for buildings - Maximum operating pressure <5 bar - Functional recomendationsAtcelts
11213LVS EN 1775:1998Gas supply - Gas pipework for building - Maximum operating pressure < 5 bar - Functional recommendationsAtcelts
59026LVS EN 16798-9:2017/NA:2020Energy performance of buildings - Ventilation for buildings - Part 9: Calculation methods for energy requirements of cooling systems (Modules M4-1, M4-4, M4-9) - General - National AnnexStandarts spēkā
59030LVS EN 16798-7:2017/NA:2020Energy performance of buildings - Ventilation for buildings - Part 7: Calculation methods for the determination of air flow rates in buildings including infiltration (Modules M5-5) - National AnnexStandarts spēkā
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