Bids Are Invited For Registration Of Prices For The Supply And Installation Of Metal Guardrails To Meet The ... in Brazil

Work Detail

Supply And Installation Of Guardrails For Bridges And Walkways In Accordance With Abnt Nbr 14718 Standard, The Guardrail Must Be Manufactured In Modules Of 02 (Two) Meters, And Composed Of 2 Columns And An Intermediate Plate Welded In Each Module, All Manufactured In Astm A36 Steel, The Columns Must Be Manufactured In 60X40 Rectangular Tube, Thickness 3.0Mm And Minimum Height Of 1.1 Meter From The Finished Floor To The Top, With A Welded Top Cover To Prevent Water Ingress And A Base Shoe Made Of Sheet Metal #4.75Mm Thick For Leveling. The Intermediate Sheets Must Have A Thickness Of #2.65Mm And Be Manufactured Using The Laser Cutting Process With A Mosaic Design And An Open Area Defined In 40% Of The Sheet For An Aesthetic Finish. The Upper And Lower Edges Of The Sheets Must Be Installed With A Chemical Anchor That Has An Adhesive Tensile Strength Of At Least 18Mpa. For Surface Finishing, The Structure Must Receive Surface Preparation (Removal Of Grease, Oils And Impurities), Followed By An Application Of Zinc-Rich Anticorrosive Primer With A Final Thickness Of 200M Dry, Followed By Finishing Painting In Polyurethane Paint (Pu) In Matte Black With A Final Thickness Of 120M Dry, With Uniform Coverage, Without Failures, Bubbles Or Runs

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