Tenders Are Invited For Ancillary Works For Pipelines And Cables – Expansion Of The Pullach District Heating ...
Tender Notice
TenderID
79607144
Tender Brief
Tenders Are Invited For Ancillary Works For Pipelines And Cables – Expansion Of The Pullach District Heating Network - Civil Engineering And Pipe Construction
Ancillary Works For Pipelines And Cables – Expansion Of The Pullach District Heating Network - Civil Engineering And Pipe Construction. To Expand The District Heating Network In Pullach, New Streets With Lines Are To Be Opened Up And The Existing Network Is To Be Densified With New Customers. The Total Length Of The Route To Be Built With Main Lines On Public Land And House Connection Lines On Private Land Is Around 9.5 Km Between September 2024 And The End Of 2026 (Around 2 Km In 2024, Around 4.7 Km In 2025 And 2.8 Km In 2026). The Number Of House Connections Is Estimated At A Total Of 200. The Exact Number Of Construction Crews Is Determined Before The Start Of A Construction Season. The Services Required In The Tender Include The Planning, Delivery And Ready-To-Use Installation Of Underground District Heating Pipes In The Plastic Jacket Pipe System (Kmr), Including Building Entrances With Initial Barriers With The Associated Civil Engineering And Road Work. These Take Place Primarily In The Pullach Municipal Area In Sometimes Narrow Locations. Ready-To-Use District Heating Pipes Include Pre-Insulated Pipes Including Fittings And Connectors, Fittings, Support Material, The Post-Insulation Of All Connection Points And The Expansion Of A Leak Warning And Locating System. Documentation, Execution And Quality Assurance Are Carried Out In Accordance With Agfw-Fw 104. A Large Part Of The Pipeline Work Takes Place Using The Tapping Method On Pipelines That Are In Operation. Civil Engineering And Road Work Must Be Carried Out In Accordance With The General Conditions Of The Road Construction Authorities, The Local Civil Engineering Authority And All Additional Contractual Conditions And Guidelines (Ztv). This Includes Ancillary Work Such As The Re-Laying And Re-Laying Of Supply And Disposal Lines, Demolition And Restoration Of Surface Pavements, Obtaining Traffic Permits Including Signage, Clearing And Gritting Services In Appropriate Weather Conditions And An Explosive Ordnance Examination Before The Start Of Excavation. Cu Data Cables Must Be Laid With The District Heating Network. Excavation With A Suction Excavator Or Similar Is Sometimes Necessary. Experience (Pipe Construction, Insulation, Civil Engineering) In Laying And Repairing Grp Pipes Is Particularly Necessary. In At Least Two Places In Pullach, Cable Laying Using The Press-Drilling Method Is Necessary: To Cross A Track Area And To Cross A State Road. In Some Cases, Old District Heating Pipes Need To Be Dismantled. Proof Of Disposal Management Must Be Provided For The Handling Of Contaminated Soils, Road Surfaces And Materials. There Is An Area For Storing Pipe Material. A Construction Warehouse For Machines And Temporary Excavation Storage Will Also Be Provided By The Client For The Years 2024 And 2025. From 2026 Onwards, The Contractor May Have To Have Their Own Construction Storage Area. An Essential Requirement For Applicants Is That There Must Be No Disruption Or Endangerment Of District Heating Operations At Any Time During The Entire Conversion And Expansion Phase. This Applies, Among Other Things, To The Un
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