90 239 Clause 11.2 Characteristic opening O90 In order to maintain Characteristic opening O90 according to EN ISO 12956 the flow rate required according to EN ISO 12956 304 Sr.no 313: Part 3: 250mμ to 350mμ” the geotextile tube 250mμ to 350mμ is Containment of needs to be fabricated acceptable. sediments from Lake to achieve the desired NMK and KIE. value, the opening 307 size needs to Sr.no 314: Part 3: optimally designed. Containment of The geotextile sediments from Lake produced will always NMK and KIE confirm to a range which can have a “Characteristic minimum and opening O90 maximum values. In according to EN ISO the present case of 12956 250mμ” flow requirement, the maximum being 350mμ and minimum of 250 mμ.
90 239 304 307 Clause 11.2 Sr.no 313: Part 3: Containment of sediments from Lake NMK and KIE. Sr.no 314: Part 3: Containment of sediments from Lake NMK and KIE “Characteristic opening O90 according to EN ISO 12956 250mμ” Characteristic opening O90 according to EN ISO 12956 250mμ to 350mμ” In order to maintain the flow rate required the geotextile tube needs to be fabricated to achieve the desired value, the opening size needs to optimally designed. The geotextile produced will always confirm to a range which can have a minimum and maximum values. In the present case of flow requirement, the maximum being 350mμ and minimum of 250 mμ. Characteristic opening O90 according to EN ISO 12956 250mμ to 350mμ is acceptable.