1. Tools and equipment needed should be in good condition and must be checked by Instrument Supervisor prior to use. Calibration equipment shall comply with the Standards requirements and provided with calibration certificate to support the readings of the calibrating equipment. These includes but not limited to:
      1. Set of Instrument Hand Tools and Fittings
      2. Measuring Tape
      3. Bending and Cutting Machine
      4. Threading machine with Tripod
      5. Welding Machine
      6. Chain Puller/ Chain block
      7. Boom Truck
      8. Hydraulic Pallet Jack
      9. Common Hand Tools
      10. Electric Power Tools (i.e. Electric drill & etc.)
      11. Portable 120Vac, 60Hz Gasoline Powered Generator
    1. All tools utilized in a classified area should be intrinsically safe and suitable for hazardous areas.


    1. General Requirements
      1. Special tools shall bear valid calibration certificates traceable to a national standard indicating calibration validity and periodically (at least 6 months) checked by a third party laboratory testing facility.
      2. Ensure that working areas are ready for installation with respect to other disciplines for the use of scaffolding materials (if necessary), affected equipment and other existing facilities.
      3. Review all references such as Approved for Construction drawings, layouts and technical scope of work, work permit requirements, and work procedures.
      4. Identify area classification and verify hazardous areas to be considered during     construction activities considering precautionary measures in using tools, equipment and materials to be affected, making sure that all these items are suitable and appropriate as per the area requirements.
      5. Manufacturer service representatives and/or analyzer system vendor personnel may assist with start-up, calibration, and/or initial operation (if required) and should be scheduled accordingly. They may also assist for validation (if required).
      6. Ensure that the work area is clean and free from foreign objects.
      7. Safety aspects shall be discussed on daily basis to include associated installation care needed. Refer to Job Hazard and Risk Assessment.
      1. Checking and Preservation of Materials
        1. Upon delivery of materials, Contractor QC Inspector will conduct receiving inspection as per for Handling and Preservation to verify conformance to vendor drawings.
        2. Equipment received will be stored according to the installation schedule and manufacturers recommendation.
        3. Shelters should be covered with plastic sheets and all doors should be sealed tight. All equipment parts must be kept in the unopened original shipping case with all braces and plugs intact and shall be covered with plastic sheets.
        4. HVAC air intake openings should remain covered to reduce dust, waster or other unwanted entry accumulation. Sample conditioning system bosex and doors to remain closed at all time.
        5. Field equipment should be kept in their original packing and stored in roofed warehouse.
        6. Analyzer Shelters (House Interior) Minimal periodic maintenance is necessary over short periods of storage. All doors to remain close at all time. Drying agent/dessicant placed in electronic equipment to be replaced every two months if storage duration is over longer periods. This shall be provided & replaced by sub-contractor.
  • Analyzer Shelter, and Gas Cylinder Rack Installation
    1. The location, foundation, stub-up holes and embedded steel materials shall be studied and checked as per latest approved for construction drawing. In case of divergence or obstructions be found, site queries shall be forwarded to CONTRACTOR for immediate corrections and further instructions.
    2. On pave foundation shall be provided for analyzer shelter racks, and chipping of concrete pave, levelling, grounding, grouting and setting of mechanical or chemical anchor bolts including concrete pouring for box out (if required) shall be performed as mentioned in scope of     work.
    3. Check and confirm that the supports and stanchions are meant for the analyzer and its accessories to be installed.
    4. Install the required fabricated supports and brackets, sampling racks, accessories and stanchions following the installation detail. Orientation shall conform to the drawing layout considering access point, tubing route and service.
    5. Install the analyzers and its accessories safely and securely so that excessive vibration, temperature extremes and shock will be avoided. Provide allowance if possible for the movement of analyzers and its accessories caused by seismic loading, expansion and contraction caused by change in temperature and vibration.
    6. Analyzers and its accessories shall be mounted as close to the process connection as possible. It shall be properly located so as to avoid adverse effect from drainage of condensate, water, or process fluids from adjacent equipment.
    7. Install analyzers in a manner wherein it is accessible from ground level, using ladder, platform and fixed walkway. Its accessories shall be near or visible to the analyzer itself.
    8. Upon installation, ensure that the analyzer and its accessories are levelled, aligned and mounted properly before securing/tightening to its supports in accordance with the hook-up drawing and specifications provided by CONTRACTOR.
    9. Install their nameplates considering its clear view. Identification tag shall be installed at analyzer vendor. Fixing of the tag shall be checked at site.
    10. Normal settings such as flow and pressure shall also be indicated. Provide warning signs to remind nearby area for the protection of analyzers and its accessories.
    11. After final installation of analyzer, install sunshades and other accessories as required in accordance with the latest approved for construction drawing.
    12. Verify the tubing routes and install tubing safely in conformance with the requirements of SAES-J-502 (Aramco standard) and CONTRACTOR Project Specification. Continuous tubing runs shall be used wherever possible to minimize the number of tubing unions. Tubing fittings to be used shall be twin ferrule design as stated in SAES-J-502.
    13. All gas cylinders shall be installed in free standing racks.
    14. Place a chain or bar to hold the cylinder in position if required in the latest approved for construction drawing. Multiple gas cylinders shall be installed in such a way that removal of one cylinder won’t affect the function of the other cylinders. Refer to SAES-J-502, sec. 6.4.
    15. Observe proper care when removing or reinstalling analyzer for calibration, replacement or repair. Ensure the correct set-up as per latest approved for construction drawing be followed after reinstallation.
    16. Retractable insertion probes shall be removed before leak testing. After leak testing, analyzer sensing elements such as conductivity, chlorine, pH, viscosity, etc. shall be installed if required as per latest approved for construction drawing. Sample probes used to extract the sample from the process lines shall be installed after hydro testing of the lines (if required).
    17. QC inspector shall conduct inspection and acceptance for local instruments installed to be filed and recorded on appropriate approved forms.


  1. Barricade the working area.
  2. All safety precautionary signboards must be visibly posted.
  3. Wear full body harness when working at heights.
  4. Ensure that only authorized personnel are within the affected area.
  5. The work shall be executed in accordance with the approved Total Safety Task Instructions (TSTI).
  6. Maintained TSTI at worksite by work Supervisor, requirements shall be discussed in daily TBT (Tool box talk).
  7. All Tools and equipment’s used shall in accordance with Safety rules and regulations.



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