Bids Are Invited For Acquisition Of Materials For Renovation And/Or Adaptation Of Filter Beds At Water Treatment Plants And Geotextile Blanket For The Waste Treatment Unit.
Bids Are Invited For Acquisition Of Materials For Renovation And/Or Adaptation Of Filter Beds At Water Treatment Plants And Geotextile Blanket For The Waste Treatment Unit.
Special Rolled Filter Sand For Filters Size: From 0.45 To 0.55 Mm 1,4 58 M³, Filtering Gravel 19.10 To 12.70 Mm Filtering Gravel For Rapid Filtration Descending Filters.Filtering Gravel Layer Specificationsize: 19.10 Mm To 12.70 Mm;Smallest Abnt Sieve Number: ¾;Abnt Sieve Number Largest: 1/2;Layer Height: 0.10 M., Filtering Cobblestone 12.70 To 6.35 Mm Filtering Cobblestone For Rapid Filtration Descending Filters.Specification Of Filtering Cobblestone Layer Size: 12.70 Mm To 6.35 Mm;Smallest Abnt Sieve Number: 1/2; Largest Abnt Sieve Number: 1/4; Layer Height: 0, 6.35 To 3.36 Mm Filtering Gravel Smallest Abnt Sieve: 1/4;Largest Abnt Sieve Number: 6;Layer Height: 0, Filtering Gravel 3.36 To 2.38 Mm Filtering Gravel For Rapid Filtration Descending Filters.Filtering Gravel Layer Specificationsize: 3.36 Mm To 2.38 Mm;Smallest Abnt Sieve Number: 6;Largest Abnt Sieve Number: 8;Layer Height: 0, 04/11/2025 - 11:02:44, Waste Water Drain Blanket Non-Woven Geotextile Blanket (Filter) Produced From Needling Continuous Filaments 100% Polyester, Grammage Of 400G/M2, With Longitudinal Tensile Strength Of 21 Kn/M And Transverse Tensile Strength Of 19 Kn/M, Coil Of 2.30M (Width) X 100M (Length).
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