Tenders Are Invited For Sewer Construction Work – Construction Of Rize Wastewater Collection System (Lot 2) ... in Turkey

Work Detail

Sewer Construction Work – Construction Of Rize Wastewater Collection System (Lot 2) - Completion Works. The Scope Of Work Is Summarized As Bellow: A) Construction Of Approximately 3.039 Km Wastewater Collector Pipeline, Including Ground Improvement Works, B) Construction Of Approximately 30 M Special Crossing Of River By Pipejacking And/Or Horizontal Drilling Wastewater Collector Pipeline, C) Construction Of 3 Prefabricated Grp (Glass Reinforced Plastic) Package Type Wastewater Pumping Station (Bağdatlı, Çiftekavak And Hal) D) Approximately 12 M Forced Mains And Associated Structures, E) Construction Of Approximately 87 Manholes, Including Relevant Ground Improvement Works F) Installation Of Complementary Scada System Which Is Composed Of Operator Workstation System, Scada Software And Licences, Other Relevant Software And Licences, And System Accessories G) Preparation Of Wastewater Collection System Network As-Built Plans For Constructed Sewer Mains, H) Complementary Works And Documentation, Including: 1. Cctv Inspection For Approximately 6,920 M Installed Pipes, 2. Leakage Test For Approximately 963 M Installed Pipes, 3. Leakage Test For Approximately 44 Manholes, 4. Completion Of Non-Completed Bridge Crossing Works, 5. Correction Of Non-Conformities, 6. Provision Of Certificate Of Origin In Accordance With Sub-Clause 7.9, 7. Preparation And Submission Of As-Built Plans For Completed Works. The Design For The Wastewater Collection System Involves, In Most Cases, The Complete Replacement Of The Existing Pipelines. As These Existing Pipelines Are “Live” The Contractor Shall Need To Carefully Plan The Works To Maintain Wastewater Collection Services To Customers As Much As Possible. This Issue Shall Be Valid For All “Live” Wastewater Pumping Stations. During This Planning, The Service Continuity Should Be In The First Priority. System Temporary Rearrangements To Be Done For Service Continuity Shall Be Taking Into Consideration During Pricing. In Wastewater Collection System, Package Wastewater Pumping Station Shall Be Supplied And Installed During The Construction Of New One. These Facilities Shall Be In Operation Until The Final Acceptance.

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