Tenders Are Invited For Delivery Of Elements Of The Irrigation System For Growing Seedlings As Part Of The Reconstruction Of The Sprinkler System In The Forest Nursery In Łówcza

2.1. Delivery Of Elements For A Portable Sprinkler Used To Irrigate Seedlings And Protect Against Frosts At The Forest Nursery In Łówcza. The Delivery Of The Products Included In The Portable Sprinkler System Should Include The Elements Specified In This Specification Of Order Conditions, Hereinafter Referred To As Swz Or Specification According To The Following Requirements For A Set Consisting Of: • Through Pipes With Diameters Of 50 And 70 Mm And A Length Of 6.0 M, • Sprinkler Pipes With A Diameter Of 50 And 70 Mm And A Length Of 6.0 M, • Bends For Pipes With An Angle Of 90° And Diameters 70 Mm,• Reductions 70/50Mm,• Reductions 90/70Mm,• Internal Cap 50Mm,• Internal Cap 70Mm,• Single Nozzle Full-Circle/Sectoral Sprinkler Type Zb,• Double-Nozzle Full-Circle Sprinkler Type Zb,• Gaskets,• Connectors Between The Sprinkler Pipe, And The Sprinkler, • Place Under The Pipes.2.2. Material Requirements For Sprinkler Elements: • All Elements Of The Irrigation System Except Sprinklers, Pipe Stands With A Sprinkler Connection Element And Quick Connector Elements Must Be Made Of Aluminum, The Ordering Party Does Not Allow A System Made Of A Material Other Than That Specified Above, • All Connected Elements Must Be Material Compatible And Dimensions, Creating One Irrigation System, Except For The Connectors Between The Sprinkler Pipe And The Sprinkler, Which Can Be Made Of Hot-Dip Galvanized Steel, • The Connection Of System Elements Must Be Connected Using Hot-Dip Galvanized Steel Quick Connectors, • Dimensional Tolerances Are Allowed, Which Results From The Specifications Of The Elements Cooperating With Each Other And Being Part Of The System, • All Connected Elements Must Have Rubber Gaskets To Ensure The Tightness Of The System, • The Main Structure Of The Sprinklers Is Made Of Brass Or Stainless Steel, 2.3. Technical Requirements Of The Irrigation System. • Water Distribution Elements - Service Pipes, Connecting Fittings Must Be Resistant To Operating Pressure Up To 10.0 Bar, Have Male And Female Connection Stubs With A Quick-Connect Mechanism, • Sprinkler Pipes: - Pipe Length: 6.0 M, - Male Connection Stubs And Female With A Quick-Connect Mechanism, - Connections For Turning On The Sprinkler In The Amount Of 1 Pc./6.0 M Of Pipe Located At The Stub Of The Pipe With A Female End, At A Distance Of Up To 0.5 M, - The Pipe Must Have A Base For The Sprinkler Made Of A Collar Band With External Thread 1” To Connect A Sprinkler Or A Connector To A Sprinkler, Working Pressure Up To 10 Bar• Through Pipes: Pipe Length: 6.0 M, Male And Female Connection Stubs With A Quick-Connect Mechanism, The Pipe Must Have A Base, Working Pressure Up To 10 Bar• Sprinklers Must Have The Following Technical Parameters: Operating Pressure 2.0-4.5 Bar, Stream Inclination In The Range: 20° - 25°, Nozzle Diameter In The Range: 4.0-7.5 Mm , Diameter Of The Second Nozzle In The Range: 2.2 - 2.6 Mm, Sprinkler Radius In The Range: 15.0 M - 17.0 M  Sprinkler Diameter: ¾ M. • Connector Between The Sprinkler Pipe And The Sprinkler Consisting Of The Following Elements: 1/¾ Reducing Sleeve, ¾ Galvanized Steel Pipe, Length 0.5 M, 200 Pcs And 1.0 M, 60 Pcs, ¾ Ball Valve With Butterfly, The Delivered Element Must Be Complete, Assembled, Ready For Installation On The Sprinkler Pipe,2.4. Quantitative Specification Of The Ordered Sprinkler Elements:• Through Pipe, Diameter 70 Mm, Length 6.0 M, Quantity 230 Pcs., • Through Pipe Diameter 50 Mm, Length 6.0 M, Quantity 270 Pcs., • Sprinkler Pipe Diameter 70 Mm, Length 6.0 M, Quantity 120 Pcs., • Sprinkler Pipe, Diameter 50 Mm, Length 6.0 M, Quantity 140 Pcs., • Bend Diameter 70 Mm, 90° Bend, Quantity 55 Pcs. • Reduction 70/50 Mm, Length 0.5 M, 35 Pcs. (With Male Reduction 70 Mm To Female 50 Mm) • Reduction 90/70 Mm, Length 0.5 M, Quantity 35 Pcs. (With Reduction From Male 70 Mm To Female 50 Mm)• Plug Internal Diameter 50 Mm, 35 Pcs. • Plug Internal Diameter 70 Mm, 10 Pcs. • 50 Mm O-Type Gasket, 445 Pcs. • 70 Mm O-Type Gasket, 440 Pcs. • Zb Type Single-Nozzle Full-Circle/Sectoral Sprinkler , Diameter ¾, 100 Pcs., • Two-Nozzle Full-Circuit Sprinkler, ¾ Diameter, Type Zb, 160 Pcs. • Base For Through Pipes With A Diameter Of 70 Mm, 230 Pcs., • Base For Sprinkler Pipes With A Diameter Of 70 Mm With A 1” External Thread And A Gasket Between The Pipe, And Base, Pcs. 120, • Base For Through Pipes With A Diameter Of 50 Mm, Pcs. 270, • Base For Sprinkler Pipes With A Diameter Of 50 Mm With A 1” External Or Internal Thread And A Gasket Between The Pipe And The Base, Pcs. 140, • Connector Between The Sprinkler Pipe And The Sprinkler (Set As Above): 0.5 M Long, 200 Pcs, 1.0 M Long, 60 Pcs,