Tenders Are Invited For Construction Of A Section Of The Water Supply Network In Osieczna in Poland

Work Detail

1. The Subject Of The Order Is The Construction Of A Section Of The Water Supply Network In Osieczna.2. The Subject Of The Order Was Specified In Detail In The Description Of The Subject Of The Order, The Procedure Documentation, Technical Specifications For The Execution And Acceptance Of The Works And, Additionally, In The Bill Of Quantities, Constituting Annex No. 8 To Swz.3. Characteristics Of The Task: The Construction Of A Section Of The Water Supply Network In Osieczna Is Intended To Provide Water To The Area Of ​​Single-Family Residential Construction Plots, Ensuring The Living Needs In The Buildings And For Watering Green Areas. The Investment Includes A Water Supply Network Made Of Pe Pipes Dz 110 Mm Pn-10 With A Total Length Of 1,618.5 M, Implemented On Plots No. 792/9, 802, 896, 770, 769/7, 717/3. Above The Plots Are Not Entered In The Register Of Monuments Or The Municipal Register Of Monuments, And The Investment Is Not Subject To Conservation Protection. Along The Road There Is An Existing Water Supply Network Made Of Pe Pipes With A Diameter Of Dz 110 Mm, Which Has A Sufficient Capacity Reserve, Which Enables The Planned Section Of The Water Supply Network To Be Powered. The Designed Section Will Be Connected To The Existing Pipeline Through An Indentation And The Insertion Of A Tee. Three Dn 100 Gate Valves With Soft Seals Should Be Installed On The Branch From The Existing Network. The Cables Of The Designed Network Should Be Made Of Pn-10 Pe Pipes With A Diameter Of Dz 110 Mm And Arranged In Accordance With The Development Plan. The Foundation Depth Is 1.7 M. The Minimum Cover Of The Pipes With Soil Is 1.5 M. The Route Of The Water Pipeline, Gate Valves And Hydrants Must Be Permanently Marked In The Field With Signs Made In Accordance With The Pn-86/B-09700-2 Standard. Installation Of Signs On Steel Posts With A Diameter Of Min. Ø 32 Mm. The Water Pipeline Should Be Laid Along A Geodetic Route. The Pipes Must Be Arranged In Such A Way That Their Support Is Uniform Along Their Entire Length. During Construction Works, Attention Should Be Paid To Securing The Pipes Against Movement While Filling The Excavation, Compacting The Soil And Passing The Contractors Heavy Equipment. The Trench For The Water Pipe Should Be As Narrow As Possible With Sufficient Space For Installation, Compaction, And Filling Around And Above The Pipe. The Water Pipe Should Be Laid On A 10 Cm Thick Sand Leveling Bed; Soil From The Trench Can Also Be Used, Provided It Meets The Conditions. The Backfill Must Not Contain Sharp Stones Or Other Broken Material That Could Damage The Pipe Before And After Backfilling. This Material Should Comply With The Pn-74/N-02480 Standard. The Ground Level Should Be Level So That The Pipes Can Be Laid On It. Pipelines With Socket Connections Cannot Be Supported On The Socket. Bends, Tees, Gate Valves And All Other Connections Should Be Uncovered During Pressure Testing. Laying Depth 1.6 - 1.7 M. A Detailed Description Of The

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