Supply of drilling service

Oyu Tolgoi” LLC (the ‘Company’) would like to invite potential and/or experienced suppliers to submit their Expression of Interest (EOI) in relation to supply of “Drilling service”.

[An EOI is only a preliminary step to a formal tender process to understand and identify whether there are potential suppliers in the market that are interested in and capable of satisfying the procurement needs]

Scope description:

The following drilling works will be required to be carried out, but not limited to:

Surface drillings:

  • Characterization and delineation diamond drilling up to 1,500m
  • Reverse circulation drilling
  • Casing Advanced Drilling in (TSF) Tailings Storage Facility Area
  • Slope Depressurization Drilling (Reverse Circulation Sub-Horizontal Drilling)
  • Drilling, construction and equipping of vertical wells (to a depth of up to ~300m with nominal bit size of 324mm)
  • Diamond drilling and casing of geotechnical monitoring system borehole;
  • Directional drilling

Underground drillings:

  • Underground diamond drilling
  • Directional drilling

Interested and experienced suppliers are invited to submit their EOI and must include/attach, as a minimum, the following documentations / information:

Mandatory documents:

  • Safety Records (example of Safety Track Record and Safety Systems and ways of working at drilling site)*
  • HSE management plan, policy & procedures*
  • Scope specific experience details*
  • Drilling and ancillary equipment details*
  • Drillers’ skills and experience details*
  • Introduction of company including:
    • Ownership/ shareholder information such as Company charter (copy)*
    • Executive team structure/ introduction (copy)*
    • Organization structure & Total manpower (copy)*
    • State registration certificate (copy)*

* If latest copies are already uploaded in “Oyu” Supplier Database, please make a note in the submission document(s) and no need to re-submit.

Any interested suppliers who wishes to participate in the EOI, must be registered in “Oyu” supplier database. If you have not registered in “Oyu” database, please register at https://oyu-supplierdatabase.ot.mn/.

EOI documents must be prepared in Mongolian and/or English and must be submitted via “Oyu” Supplier database before 5pm, (Ulaanbaatar time) 9 March 2022.

Important notice:

  • The Company is only seeking Expression of Interest from potential suppliers and makes no representation or promise in relation to procuring work from a supplier or suppliers.
  • The Company reserves the right to refuse any document(s) which is incomplete or submitted after the specified date & time.
  • The Company will not accept any EOIs stored in internet storage or in any other webpages and links.
  • The Company will not be responsible for any costs associated with preparing and submitting an Expression of Interest to the Company.
  • There will be no Questions and Answers provided during the EOI process.

“OYU TOLGOI” LLC

PROCUREMENT DEPARTMENT