Ministry Of Petroleum And Natural Gas-MOPNG has published Bids Are Invited For Ac Interference Study Vvspl Pre Mitigation Data Logging , Installation Of Coupons Of 1 Cm2 , Soil Resistivity Measurement , Data Collection From Utility , Computer Modelling And Simulation , Post Mitigation Data Logging , Final Report. Submission Date for this Tender is 03-08-2023. Air Conditioner Tenders in Krishna Andhra Pradesh. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 20-Jul-2023 | 27-07-2023 | ||
| 2 | 27-Jul-2023 | 03-08-2023 |
| Sl. No. | Item Title | Item Description |
| 1 | Pre Mitigation Data logging | Measurement of AC induced voltages, DC PSP, AC, DC current densities through 1cm2 test coupons installed simultaneously using multichannel data loggers or different data loggers for a period of 24 hours BEFORE MITIGATION as mentioned in scope of job |
| 2 | Installation of Coupons of 1 cm2 | Supply and installation of cylindrical type AC test coupons Make MC Miller or equivalent of 1cm2 surface area with 2 no. cable connections of min. 4 sq.mm size at locations suggested by the Expert Agency or HPCL after modelling for AC Interference. Specification of coupons and Methodology of coupon installation shall be as per latest edition of ISO 18086, ISO 22426 and NACE SP 0104 as per scope of job of tender document. |
| 3 | Soil Resistivity Measurement | Soil Resistivity measurements must be carried out in line with ASTM G57, IS3043, IEEE 80 as per the job requirements and as suggested by the expert agency as per scope of job of tender document. |
| 4 | Data Collection from Utility | Gathering all required Data related to Power Transmission Lines, Substations from the respective Sources or Utility Companies as per scope of job of tender document. |
| 5 | Computer Modelling and Simulation | Carrying out the AC interference modelling, validation, interference analysis, suggest mitigation measures, validation of mitigation measures post mitigation using field collected data as per the Scope of job mentioned in tender document. |
| 6 | Post Mitigation Data Logging | Measurement of AC induced voltages, DC PSP, AC, DC current densities through 1cm2 test coupons installed simultaneously using multi channel data loggers or different data loggers for a period of 24 hours POST MITIGATION as mentioned in scope of job. |
| 7 | Final Report Submission | Preparation and submission of detailed report for each of the pipeline section clearly indicating the Initial status and final status post implementation of mitigation measure, improvements in the Interference mitigation observed and any further recommendation. |
| 8 | Profiling of AC Power Line | Pipeline sections falling in Zone of Interference shall be identified and compiled list for all such pipeline sections with details of HVAC power lines and foreign pipeline shall be prepared. GIS Mapping of all such power lines, foreign pipeline in relation to VVSPL shall be done as per scope of job of the tender document |
| 9 | Training to HPCL Officers | Training to HPCL officers max. 15 no.s as per scope mentioned in the clause no. 12 of Scope of Job and Technical Specifications. |
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