The Subject Of The Order Is To Perform A Five-Year Inspection Of The Lighting Network Owned By The Koszalin City Commune - The Road And Transport Authority In Koszalin And To Prepare As-Built Documentation From The Inspection. As Part Of The Execution Of The Order In Question, The Contractor Is Obliged To: 1) Test The Effectiveness Of Protection Against Electric Shock By Automatic Power Cut-Off (Tn-C, Tn-S), 2) Measure The Insulation Resistance Of Cables And Wires, 3) Measure Earth Resistance, 4) Measure The Impedance Of Short-Circuit Loops, 5) Check The Operation Of Rcd Switches (If Any), 6) (In Justified Cases) Measure Leakage Currents. The Contractor Will Carry Out And Prepare A Report On The Inspection Of The Electrical Installation: 1) Condition Of Switches, Contactors And Disconnectors, 2) Fuse Inserts, 3) Markings Of Wires And Devices, 4) Correctness Of Connections, 5) Availability Of Devices, 6) Equalizing Connections, 7) Selection Of Overcurrent Protection, 8) Condition Of Foundations And Stability Of Poles, 9) Warning Markings And Diagrams. The Contractor Will Carry Out Measurements And Inspection Of The Entire Section Of The Lighting Circuit (So). And Each Pole Connected To The Lighting Cabinet). In Terms Of Performing Tests And Measurements Of The Electrical Installation, The Contractor Should: On The Entire Lighting Circuit (So + All Poles): • Continuity Of Wires, • Insulation Resistance, • Short-Circuit Loop Impedance, • Effectiveness Of Anti-Shock Protection, • Sequence And Load Of Phases, • Voltage Drops, • Checking The Operation Of The Control (Clocks, Sensors, Systems). Moreover, Zdit In Koszalin Informs That The Contractor Is Obliged To Carry Out The Measurements In The Given Order. It Is Recommended To Perform Tests And Measurements In The Above Order, Because If The Result Of Any Of The Tests Is Unsatisfactory (E.G. A Measurement Error Or Damage To The Installation Is Suspected), Then The Test Should Be Performed Again After The Damage Has Been Removed. If There Is A Presumption That The Result Of The Previous Test Has An Impact On The Obtained Result, It Should Also Be Performed Again, In Order. The Report Should Absolutely Include Such Information As: • Contractors Data, • Location And Description Of The Installation, • Scope Of Measurements, • Data Of The Person Performing It, • Date, • List Of Measuring Equipment, • Results (Tables), • Diagrams And Sketches, • Measurement Conditions, • Conclusions And Recommendations. The Protocols Should Be Accompanied By: • Electrical Diagrams, • Division Of Circuits, • Cover Page. The Contractor Will Prepare A Report Of Defects And Activities To Be Performed As Part Of The Inspection For Each Location Of The Lighting Circuit Based On The Inspection And Visual Inspection, In Accordance With Annex No. 11 - List Of Lighting In The Koszalin Commune And Annex No. 10 - List Of Lighting Cabinets. Additionally, The Contractor Will Inspect And Prepare Reports For Three Fountains Maintained By T
