Bids Are Invited For Price Registration For The Installment Purchase Of Concrete Pipes For Rainwater Drainage

Concrete Tube Ø 300 Mm (30 Cm), Tip And Bag. Simple Concrete Tube, Circular Section, With Nominal Internal Diameter Of 300 Mm, Tip And Bag Fitting System, Intended For Rainwater Conduction. Manufactured In Vibro-Pressed Or Centrifuged Concrete, With Resistance Compatible With Class Ps1 Or Higher, In Accordance With Abnt Nbr 8890. Minimum Useful Length Of 1.00 Meters Per Piece. Smooth Internal Surface, Free From Cracks, Cracks Or Structural Flaws. Dimensional Tolerances According To Standard. Suitable For Urban Drainage Networks Of Low To Medium Load., Concrete Tube Ø 400 Mm (40 Cm), Nominal Internal Diameter Of 400 Mm, Tip And Bag System, For Storm Drainage. Produced According To Abnt Nbr 8890, Class Ps1 Or Higher. Minimum Useful Length Of 1, Cracks Or Structural Faults. Dimensional Tolerances As Per Standard, And With Mechanical Resistance Suitable For Use On Urban Roads., Concrete Tube Ø 600 Mm (60 Cm), Nominal Internal Diameter Of 600 Mm, According To Abnt Nbr 8890, With Structural Resistance Suitable For Installation On Public Roads And Areas With Moderate Load Request., Concrete Tube Ø 800 Mm (80 Cm), Nominal Internal Diameter Of 800 Mm, Manufactured According To Abnt Nbr 8890, With Technological Control Of Resistance And Quality, Suitable For Medium To Large Storm Galleries., Concrete Tube Ø 1000 Mm (100 Cm), Ca1, End And Bag. Reinforced Concrete Tube (Ca1), Nominal Internal Diameter Of 1000 Mm, With End And Bag Joint, According To Abnt Nbr 8890. Structural Class Ca1, Suitable For Supporting High Loads (Heavy Traffic And Greater Laying Depth). Minimum Useful Length Of 1, With Steel Reinforcement Properly Positioned, Covering According To Standard And Mechanical Resistance Proven By Tests, Guaranteeing Hydraulic Efficiency And Durability., 04/24/2026 - 09:04:55