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| 1 | GST % for the ItemsPlease select the rate of GST in cell W13. Rate selected shall be applicable for all the Items - 20 to 210 |
| 2 | AC modelling works-Sar-RPR (PRRPL) |
| 3 | Profiling of all the AC power lines, HVDC Transmission lines, foreign pipelines & DC/AC traction sources with GPS Co-Ordinate along pipeline ROU as per the pipeline section list as per scope of work mentioned in tender document |
| 4 | Measurement of soil resistivity (bulk & Layer at Various depths wherever required for modeling the data as per scope of work.) USING WENNER 4 PIN METHOD |
| 5 | Collection of all required data related to power transmission lines / substation from the respective sources/ utility companys required for successful modeling and analysisof AC interference of Pipelines line & data for all interference sources as per scope of work mentioned in tender document. |
| 6 | Measurement of AC induced Voltage, PSP and current density using data logger (Supply of data logger shall be in the scope of bidder). Pre Electrical DC Interference Survey: ( All TLPs On-OFF PSP) 15 mints logging with 1 sec interval as per latest NACE SP 0169 standard. Pre Electrical AC Interference Survey: ( at suspectible TLPs) 24 hour logging with 5 sec interval as per latest NACE SP 0177 standard |
| 7 | Supply, Installation & commissioning of AC corrosion Coupons including excavation & backfilling, and cabling as per site requirement. The coupon installed for the measuring corrosion rate/ current density must be supplied with suitable series resistors of low resistance & confirming to ISO 18086 |
| 8 | CP Line Current Measurement & Coating resistance measurement as per scope of work |
| 9 | Carryout computer simulation studies based on the gathered data for identification of interference locations as per scope of work mentioned in tender documents |
| 10 | Measurement of AC induced Voltage, PSP and current density using data logger (Supply of data logger shall be in the scope of bidder). Post Electrical DC Interference Survey: ( All TLPs On-OFF PSP) 15 mints logging with 1 sec interval as per latest NACE SP 0169 standard. Post Electrical AC Interference Survey: ( at suspectible TLPs) 24 hour logging with 5 sec interval as per latest NACE SP 0177 standard |
| 11 | Prepation & submission of detailed report for each of the pipeline section clearly indicating the initial status& Final status post implementation of mitigation measures, improvement in the interference mitigation observed & any further recommendation. |
| 12 | AC modelling works-JBATF |
| 13 | Profiling of all the AC power lines, HVDC Transmission lines, foreign pipelines & DC/AC traction sources with GPS Co-Ordinate along pipeline ROU as per the pipeline section list as per scope of work mentioned in tender document |
| 14 | Measurement of soil resistivity (bulk & Layer at Various depths wherever required for modeling the data as per scope of work.) USING WENNER 4 PIN METHOD |
| 15 | Collection of all required data related to power transmission lines / substation from the respective sources/ utility companys required for successful modeling and analysisof AC interference of Pipelines line & data for all interference sources as per scope of work mentioned in tender document. |
| 16 | Measurement of AC induced Voltage, PSP and current density using data logger (Supply of data logger shall be in the scope of bidder). Pre Electrical DC Interference Survey: ( All TLPs On-OFF PSP) 15 mints logging with 1 sec interval as per latest NACE SP 0169 standard. Pre Electrical AC Interference Survey: ( at suspectible TLPs) 24 hour logging with 5 sec interval as per latest NACE SP 0177 standard |
| 17 | Supply, Installation & commissioning of AC corrosion Coupons including excavation & backfilling, and cabling as per site requirement. The coupon installed for the measuring corrosion rate/ current density must be supplied with suitable series resistors of low resistance & confirming to ISO 18086 |
| 18 | CP Line Current Measurement & Coating resistance measurement as per scope of work |
| 19 | Carryout computer simulation studies based on the gathered data for identification of interference locations as per scope of work mentioned in tender documents |
| 20 | Measurement of AC induced Voltage, PSP and current density using data logger (Supply of data logger shall be in the scope of bidder). Post Electrical DC Interference Survey: ( All TLPs On-OFF PSP) 15 mints logging with 1 sec interval as per latest NACE SP 0169 standard. Post Electrical AC Interference Survey: ( at suspectible TLPs) 24 hour logging with 5 sec interval as per latest NACE SP 0177 standard |
| 21 | Prepation & submission of detailed report for each of the pipeline section clearly indicating the initial status& Final status post implementation of mitigation measures, improvement in the interference mitigation observed & any further recommendation. |
