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Quy trình và kế hoạch nghiệm thu cho hệ thống tiếp địa và chống sét. Quy trình và kế hoạch nghiệm thu cho hệ thống tiếp địa và chống sét. Quy trình và kế hoạch nghiệm thu cho hệ thống tiếp địa và chống sét.
FOR CONSTRUCTION Rev 24/01/2019 Date N.Q.HUY Y.H.KANG Prepared Checked Y.H.KANG Approved FOR CONSTRUCTION Details of Revision Owner Owner’s Engineer Contractor DOOSAN HEAVY INDUSTRIES VIETNAM Sub-Supplier Project NGHI SON BOT THERMAL POWER PLANT PROJECT (2 X 600 MW) Title INSPECTION AND TEST PLAN FOR EARTHING AND LIGHTNING PROTECTION SYSTEM Document No NS2-DH01-P0ZEN-140001 Rev Rev Page-No pages CONTENTS Inspection and Test Plans for earthing system Inspection and Test Plans for lightning protection system Inspection Report for earthing System Inspection Report for lightning protection system Detailed Legend S: Surveillance Point : A point where Contractor and others may carry out surveillance of work in progress and documentation associated on an unscheduled basis, with no notification required by any party and without amendment to the scheduled program R : The documents are to be submitted to the appropriate inspectorate for review by Owner Note that work shall not proceed until Owner approval has been received W : A point beyond which work may proceed without formal documented approval by any of the inspectorate An Inspection Request to inform Owner is required; however work may proceed should Owner fail to respond to the Inspection Request H : A point beyond which work shall not proceed without formal approval by the appropriate inspectorate Rev NS2PC DVN Nghi Son BOT Thermal Power Plant Inspection and Test Plans for earthing system ID No NGHI SON THERMAL POWER PLANT PROJECT TITLE: No NS2-DH01-P0ZEN-141001 Rev Date 24-01-2019 INSPECTION AND TEST PLAN FOR EARTHING SYSTEM Description of Inspection/ Test Process Applicable Code & Standard Documentation Reporting format Verify material type, size, quantity and physical damage Drawing/Method Statement NS2-DD09-P0ZEN140001 Earthing Installation Drawing/Method Statement NS2-DD09-P0ZEN140001 Inspection & Test Activities Sub Contractor Doosan Owner/Owner Engineer H W R 2.1 Installation of the earthing rode (if required) Drawing/Method Statement NS2-DD09-P0ZEN140001 H 2.2 Laying the earthing cable Drawing/Method Statement NS2-DD09-P0ZEN140001 H W W Drawing/Method Statement NS2-DD09-P0ZEN140001 H W S Drawing/Method Statement NS2-DD09-P0ZEN140001 H W W 2.3 Bonding & connection Earth Resistance Measurement Abbreviation : S: Surveillance Rev R: Report Review W: Witness Inspection W H: Hold Inspection S Remarks NS2PC DVN Nghi Son BOT Thermal Power Plant Inspection and Test Plans for lightning protection system NGHI SON BOT THERMAL POWER PLANT PROJECT TITLE: No INSPECTION AND TEST PLAN FOR Description of Inspection/ Test Process ID No NS2-DH01-P0ZEN-140001 Rev Date 24-01-2019 LIGHTNING PROTECTION SYSTEM Applicable Code & Standard Documentation Reporting format Verify material type, size, quantity and physical damage Drawing/Method Statement NS2-DD09-P0ZEN140001 Lightning Drawing/Method Statement NS2-DD09-P0ZEN140001 Installation Inspection & Test Activities Sub Contractor Main Contractor Owner/Owner Engineer H W R 2.1 Installation of the air termination conductor (if required) Drawing/Method Statement NS2-DD09-P0ZEN140001 H W S 2.2 Laying the lightning cable Drawing/Method Statement NS2-DD09-P0ZEN140001 H W W 2.3 Bonding & connection Drawing/Method Statement NS2-DD09-P0ZEN140001 H W S Drawing/Method Statement NS2-DD09-P0ZEN140001 H W W Earth Resistance Measurement Abbreviation : S: Surveillance Rev R: Report Review W: Witness Inspection H: Hold Inspection Remarks NS2PC DVN Nghi Son BOT Thermal Power Plant Inspection Report for Earthing System OWNER IR No INSPECTION REPORT FOR EARTHING SYSTEM CONTRACTOR DATE SUBCONTRACTOR PAGE Nghi Son BOT Thermal Power Plant Project PROJECT NAME of UNIT NO INFORMATION DATA Const PKG Name Construction PKG No System/Component Sys./Component ID Drawing No./Rev No KKS No Related ITP Title Related ITP Para Verification & Approval CHECK ITEM No Yes The type/size of materials as per drawing Verify that the earthing electrodes, support, test link boxes are installed as per drawing? Is the location and elevation of earth cables installed as per drawing? All cad weld/Joints/Connections are correctly performed as per drawing? Excavation and backfilling comply to specification/drawing Is the above-earthing such as earth risers, structure /equipment/test link/Instrument/etc installed properly Measurement of touch voltage, step voltage (if required) , rounding earth resistance (value to be less than 0.5 Ohm) No Remark N/A Comments: No Maximum Earth Resistance Test Instrument Sub-Contractor Measurement Value Tested by Calibration cert Calibration validity No Date Contractor Full Name Signature Date Rev Result Owner/Owner Engineer NS2PC DVN Nghi Son BOT Thermal Power Plant Inspection Report for Lightning Protection System INSPECTION REPORT FOR LIGHTNING SYSTEM OWNER CONTRACTOR SUBCONTRACTOR PROJECT NAME IR No DATE PAGE Nghi Son BOT Thermal Power Plant Project of UNIT NO INFORMATION DATA Construction PKG No Const PKG Name System/Component Sys./Component ID Drawing No./Rev No KKS No Related ITP Title Related ITP Para INSPECTION DATE & RESULTS Verification & Approval CHECK ITEM No Yes The type/size of materials as per drawing Verify the location of the air terminal as per drawing The location and elevation of lightning cables as per drawing Is type of Joint and Joint work in accordance with drawing The down-comers shall be implemented by two down-comers strongly interlinked with the main earthing system Earth test pit, Connection to earth riser, earth electrodes and related support is comply to the drawing Measurement of touch voltage and step voltage(if required), rounding resistance No Remark N/A Comments: No Maximum Earth Resistance Test Measurement Value Calibration Instrument Date Contractor Full Name Signature Date Rev Result Calibration validity cert No Sub-Contractor Tested by Owner/Owner Engineer NS2PC DVN Nghi Son BOT Thermal Power Plant Inspection test report for touch voltage and step voltage INSPECTION REPORT FOR TOUCH VOLTAGE AND STEP VOLTAGE OWNER CONTRACTOR IR No DATE SUBCONTRACTOR PAGE Nghi Son BOT Thermal Power Plant Project PROJECT NAME of UNIT NO INFORMATION DATA Construction PKG No Const PKG Name System/Component Sys./Component ID Drawing No./Rev No Area Related ITP Title Related ITP Para Test instrument Touch Voltage Test No Calibration validity Date Calibration cert.No R I E Result Criteria 748.7 V 748.7 V 748.7 V Remark Step Voltage Test No R I E Result Criteria 2515.6 V 2515.6 V 2515.6 V Sub-Contractor Contractor Full Name Signature Date Rev Remark Owner/Owner Engineer