RFP invites for Remote Sensing and Aerial Surveys, Geological Survey of India, Bangalore is carrying out Multisensor Aero-geophysical Surveys over Obvious Geological Potential areas of India


Organisation:  Geographical Survey of India, GOI

Apply By:  07 May . 2018


RFP invites for Remote Sensing and Aerial Surveys, Geological Survey of India, Bangalore is carrying out Multisensor Aero-geophysical Surveys over Obvious Geological Potential areas of India
 

Remote Sensing and Aerial Surveys, Geological Survey of India, Bangalore is carrying out Multisensor Aero-geophysical Surveys over Obvious Geological Potential areas of India over a time span of three years. During the first year a pilot project with four blocks (Blocks 1 to 4) was taken up. The process of awarding the contract for blocks 5 to 8 is under progress. In the third year, it is proposed to carry out the surveys over another four blocks (Blocks 9 to 12). In this regard on behalf of President of India, Deputy Director General, Remote Sensing and Aerial Surveys, Geological Survey of India, Vasudha Bhavan, Kumaraswamy Layout, Bangalore invites Bids from internationally reputed Organizations/Institutions for engaging Airborne Survey Providers to carry out aero-geophysical surveys (magnetic gradiometer and radiometric) over a period of one year.

The interested parties must upload their bids through the e-procurement system of Government of India on Central Public Procurement Portal (eprocure.gov.in).

Introduction

The Remote Sensing and Aerial Surveys (RSAS) Division of the Geological Survey of India (GSI) Bangalore is carrying out a multi-sensor aero-geophysical survey over pre-selected areas of Obvious Geological Potential (OGP). The survey will be undertaken over a period of three (3) years, subdivided into 12 distinct blocks designed to substantially cover the OGP areas and adjacent covered terrain. The primary purpose of the OGP aero-geophysical surveys is to collect high-quality data to support the identification of target areas for mineral exploration, for both metalliferous and precious metals. The OGP Aero-geophysical Survey project will be based at the GSI office in Bengaluru and operated from a series of field centres. These surveys will be executed and delivered in the 2016-19 period, and will likely be awarded to several PIAs. The survey work over blocks 1 to 4 was already initiated. The award of contract to the Project Implementing Agencies for the survey over blocks 5 to 8 is under progress. Under this third year project, the surveys will be carried out over 4 Blocks, with Magnetic gradiometer and radiometric sensors with a line spacing of 300m and at an altitude of 80m above and ground level. In addition to data acquisition, the project implementing agencies (PIAs) will be fully responsible for compilation, data processing, interpretation and integration of the data and submission of report with an ultimate goal of prognosticating the areas for detailed exploration, all such work to take place in India. The entire project will be carried out under the supervision of a Technical Supervisor-Quality Control (TSQC) Consultant to be appointed by GSI.

Objective

The objective of Aero-geophysical survey is to acquire high quality, purpose oriented geo-scientific data. The data will augment the understanding of the geology and mineral potential of India and help identify the priority areas for mineral resource potential in order to promote and sustain growth in the sector, and increase the contribution of the mining sector to the national GDP.

Specifically, the Aero-geophysical surveys over OGP will look in to:

generate new geophysical data of high quality and resolution in order to promote mineral prospecting;

create new exploration targets in known mining districts and indicate new terrains of enhanced mineral potential;

provide basic geological information on the distribution of lithological units and structures, augmenting the understanding and delimitation of areas of mineral potential, including those areas obscured by cover sequences and overburden; thereby several greenfield areas can be brought into focus;

identify targets distinguished by a combination of magnetic, radiometric, gravity and electromagnetic properties which are indicative of mineral concentrations, and thus could become targets of subsequent more detailed investigation, for example, drilling, ground geophysical, geochemical and geological surveys.

Scope of Work

The scope of work for the contract is as outlined below:

  • To conduct combined magnetic gradiometer and radiometric Aero-geophysical survey as per the specifications over the blocks 9 to 12.
  • Estimated total line-kilometres of the regional Aero-geophysical survey (magnetic and radiometric) amounts to approximately 1.05 million line kilometres covering the entire survey  areas, corresponding to the outlined blocks 9 to 12(Figure 1). See Chapter 8 for further details. Magnetic and radiometric surveys in all areas will be carried out with fixed wing aircraft at 300 m line spacing and control line spacing at 3 km. The terrain clearance is set at a nominal height of 80 m.
  • Processing and interpretation of the acquired magnetic gradiometer and radiometric data are required to provide high-quality professional final products (gridded and line archive data, digital maps and images).
  • Geophysical data processing, modelling and integrated interpretation are required to assess the mineral potential of the OGP and adjoining areas, with an interpretation report for each survey block.
  • To help prioritize and design a follow up airborne geophysical and ground programme (geology/geophysics/geochemistry/drilling) over selected areas of high mineral potential.
  • In collaboration with the GSI and Technical Supervisor cum Quality Control (TS-QC) Consultant, present the final data, maps and interpretation reports to stakeholders through national workshops scheduled for the end of Contract.
  • To impart hands-on training to the officers of GSI

Qualification Criteria

  • The Airborne Survey Provider participating in the tender for the Aero-geophysical Surveys over Obvious Geological Potential areas of India should possess the following. For bidders that consist of a consortium, joint venture or other type of partnership, comprising maximum of three members, the bidder must identify the lead company and provide documentation as to the arrangement between the participating companies. The entity of lead company will be applicable to rules & regulations and other contractual agreement. For the purposes of the qualification criteria, the bidder may provide, at its discretion, information from more than one member for evaluation.
  • The Airborne Survey Provider should have successfully executed at least a total of 300,000 line km of airborne magnetic and airborne spectrometric surveys in the last five years until the date of submission of the bid. The lead company must be an airborne Geophysical Survey Company and must have executed a minimum of 1,50,000 line km of airborne magnetic and airborne spectrometric surveys on its own in the last five years until the date of submission of the bid.
  • The Airborne Survey Provider can be a single company or a consortium of companies with one company as the lead company. The credentials of all the consortium members will be considered for evaluating the technical bids. There should be a legally binding agreement between the consortium partners, mentioning the roles and responsibilities of each member and sole responsibility of the lead company for timely and successful execution of the project. Original consortium agreement should be submitted along with the technical bid.
  • The Airborne Survey Provider should have sufficient number of professionals, pilots, suitable aircrafts and equipments who can undertake this project.
  • The processing and interpretation experts engaged by the Airborne Survey Provider should have minimum three years’ experience during the preceding five years.
  • It is expected that the bidder has sufficient knowledge of the geology, topography, forest cover and other restricted areas of Indian Sub-continent, the agencies/organisations working in this field, the existing rules, regulations and legal aspects of the Government of India pertaining to the execution of this project.

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