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Ground Water Testing Project in Sudan


Please find attached our call for tender for water geochemistry analysis for our project in Sudan.

Your financial and technical proposals must be sent before 03/01/2022.

Table 1 : Spec Sheet for Groundwater Quality Analysis
Analyte Units of Measurement Result

Physical and Aesthetic Determinands
pH pH units
Electrical Conductivity @ 25°C uS/cm
Total Suspended Solids mg/l
Total Dissolved Solids mg/l
True Colour PCU
Chemical Determinands – Macro Determinands
Total Alkalinity as CaCO3 mg/l
Bicarbonate Alkalinity as CaCO3 mg/l
Sulphate as SO4 mg/l
Chloride mg/l
Nitrate as NO3 mg/l
Nitrite as NO2 mg/l
Ortho Phosphate as PO4 mg/l
Ammoniacal Nitrogen as NH3 mg/l
Calcium mg/l
Calcium Hardness Dissolved (as CaCO3) mg/l
Magnesium mg/l
Magnesium Hardness Dissolved (as CaCO3) mg/l
Sodium mg/l
Potassium mg/l
Chemical Determinands -Micro Determinands
Dissolved Aluminium ug/l
Dissolved Antimony ug/l
Dissolved Arsenic ug/l
Dissolved Barium ug/l
Dissolved Beryllium ug/l
Dissolved Boron ug/l
Dissolved Cadmium ug/l
Total Dissolved Chromium ug/l
Dissolved Cobalt ug/l
Dissolved Copper ug/l
Total Dissolved Iron ug/l
Dissolved Lead ug/l
Dissolved Manganese ug/l
Dissolved Mercury ug/l
Dissolved Molybdenum ug/l
Dissolved Nickel ug/l
Dissolved Phosphorous ug/l
Dissolved Selenium ug/l
Dissolved Thallium ug/l
Dissolved Vanadium ug/l

One of our highly proficient and certified laboratory would be taking over this testing.

Bunker Survey Standard Operating Procedure SOP

Bunker Survey /Draftt Survey Standard Operating Procedure SOP (Guidelines)

Bunker Inspection Standard Operating Procedure Checklist.

The main purpose of SOP (Standard Operating Procedure) is to provide a step by step guide to conduct bunkering operation with highly ensured safety precautions. Simultaneously its purpose is to provide a certified statement of the quantity and quality of the oil delivered and to draw attention to matters which may be relevant to the protection of the client’s interest.

Bunkering operation lets the bunker owner/captain/producers know the quality, quantity and safety measures applied into the oil cargo and vessel itself.

Here is a checklist to conduct bunkering operation.

Surveyor’s Responsibility in General

To discharge number of responsibilities to the above described purpose, the surveyor must be focused towards applying and recording each and every moment and reporting it to persons concerned.

Here is a complete list referring to this SOP:

1.Bunker Survey Practical Procedures

2.Essential Equipment for bunkering Survey

  • Surveyor Procedures
  • Time Sheet
  • Checks on Receiving Vessel
    • Acknowledgment to Pre-Survey
    • Draught, Trim and List
    • Vessel’s Information
    • Chief Engineer Witnessing for Bunker Tanker
    • Vessel’s Calibration Tables
    • Onboard Quantity Measurement
    • Gauging Criteria
    • Free Water Check
    • Temperature Check
  • Checks on Bunker Tanker
    • Pre-Survey Acknowledgement
    • Draught, Trim, List
    • Bunker Requisition Form
    • Bunker Tanker Calibration Table
    • Onboard Quantity Measurement
    • Gauging Criteria
    • Free Water Check
    • Temperature Check
    • Stock Movement Report
    • Flow Meter
    • Tank Measurement/Calculation
    • Delivery Procedure
  • Post Delivery Procedure
    • Bunker Tanker
      • Tank Measurement
      • Tank Gauging Witnessing
      • Determination of Delivered Quantity
  • Receiving Vessel
    • Tank Measurement
    • Determination of Received Quantity

3. Sampling

  • Sample Location
  • Checking and Verification of Sampling Equipment
  • Sampling Procedure

4. Disputes

5. Reporting Requirements

  • Precautions and Limitations