Tenders Are Invited For Expansion Of The Central Heating Mains, Including The Construction Of A Heat Distribution Center And Connections To Utility Buildings, Along With The Expansion Of The Heating Installation And Equipment

The Subject Of The Order Is: A. Extension Of The Heating Main With A Heatpex 75/160 Pre-Insulated Pipe With A Total Length Of The Supply And Return Pipeline - Approx. 170Mb. Construction Of A Connection Inspection Well At The Location Of The Connection To The Current Main. A Well With Minimum Dimensions Of 1Mx1m With Steps And A Cast Iron Access Hatch. Protected With Waterproofing In Places Where Pipelines Pass Through. C. Construction Of A Heating Node In The Current Boiler Room Of An Office Building In A Distribution System With Hydraulic Separation, Taking Into Account: • Power Supply To The Office Building With The Possibility Of Controlling The Output Temperature To The Heating Installation, • Social Building With The Possibility Of Adjusting The Output Temperature, • Workshop With Direct Circulation Of A High Parameter Supplying Water Heaters - 2 Heating Circuits, • Reserve Left For The Hydraulic Circuit In The Amount Of 1 Piece, • Heating Node Secured With A Magnetic Separator, Service Valves With The Possibility Of Free Discharge Of Water, • 35L Expansion Vessel + Dn25 Safety Valve With Connected Water Discharge To The Drain Pipe, Pressure Gauge On The Supply And Return Of The Heating Substation. D. Installation Of Three Four-Row Water Heaters With A Speed Regulator, A Room Thermostat, A Zone Valve Cutting Off The Heaters Water Circuit And A Hydraulic System With The Possibility Of Independently Turning Off The Hydraulic Circuit Of Each Heater Separately And Freely Draining The Water From The Device. E. Construction Of A Heating Main, From The Heating Station Of The Office Building To The Workshops, Using A Heatpex Pre-Insulated Pipe, Diameter 2X40/160, With A Total Length Of 68 Meters. (To Both Buildings Together)F. Construction Of Internal Heating Installations Supplying 3 Water Heaters. G. Protocol Of The Tightness Test Of The Heating Main And Internal Heating Installations To Be Presented And Attached To The Warranty.H. To Perform The Earthworks, The Contractor Will Provide Its Own Resources In The Form Of An Excavator And An Operator Free Of Charge