Tenders Are Invited For Construction Of A Gas Boiler Room For The Social Welfare Home In Blachownia. in Poland

Work Detail

The Subject Of The Order Is The Construction Of An External Gas Boiler Room As Part Of The Investment Project Titled: Construction Of A Gas Boiler Room For The Social Welfare Home In Blachownia In The Town Of Blachownia On A Plot With Registration Number 512//1; 654/5; Blachownia Precinct In Accordance With Comprehensive Design Documentation, Bill Of Quantities And In Accordance With The Technical Specification For The Execution And Acceptance Of Works. The Subject Of The Task Is The Construction Of An External Boiler Room Consisting Of A Cascade Of Two External Gas Condensing Boilers. Nominal Heating Power (80 °C/60 °C) - 5-98.1 Kw Each Furnace, Natural Gas G20 10.58 M3/H. Electrical Power Consumption Up To 0.5 Kw, Weight Up To 95 Kg, Mounting On A Company Frame Provided By The Boiler Manufacturer, Frame Equipped With A Hydraulic And Electrical Connection. Boilers Should Be Equipped With Chimney Systems Dedicated To The Selected Boiler Type, Chimneys Should Be Placed At Least 0.5 Above The Existing Chimney From The Oil Boiler Room. The Gas Boiler Will Be Separated From The Internal Installation. Plate Heat Exchanger Operating In A Glycol/Water System With Parameters 80/60°C - 75/55°C, Power 200 Kw, Pressure Drop Max. 10 Kpa. The Exchanger Is Supplied By The Wheel Manufacturer. The Entire Installation Should Be Carried Out In Accordance With The Drawings Of The Project And The Technological Diagram. The System Will Be Controlled By A Weather Controller Cooperating With A Temperature Sensor Located On The Power Supply. The Primary Heat Source Will Be The Existing Heat Node. Switching Between The Winter And Summer Periods In Which The Boiler Will Operate Is Done Manually By Closing Additional Valves On The Nodes Power Supply. Boiler Pipes Should Be Led To The Exchanger Located In The Basement. The Exchanger Room Includes A Safety Valve, Two 33-Litre Glycol Expansion Vessels, And A Heat Exchanger. On The Water Side, There Is A Double Electronic Circulation Pump With Control D 40-120 F Q = 12 M3/H, H = 80 Kpa With An Electric Power Of 430 W, And A Balancing And Measuring Valve Dn 65, Range 60-325 L/Min, Kvs = 85 M3/H At 9400 L/H. An Air And Dirt Separator Dn65 Pn10 Should Be Installed Before And After The Exchanger. The Pipes Between The Boiler And The Building Should Be Made Of Dn65 Steel Pipes, Thermally Insulated With Mineral Wool With A Galvanized Sheet Metal Jacket Or An Equivalent Solution. The Boilers Are Factory-Equipped With A Sensor For The Minimum Water Level Or Minimum And Maximum Pressure. If Such A Sensor Is Not Available, It Should Be Installed In The Exchanger. The Task Should Include The Installation Of A Gas Installation For The Boiler Room, External Power Up To 200 Kw. The Subject Of The Study Is The Implementation Of Internal Gas Installation From The Dn 65 Shut-Off Valve Located In The Existing Oil Boiler Room, Then An Additional Box With A Shut-Off Valve Is Installed On The Facade, A Gas Submeter Must Be Installed, The Gas Insta

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