STRUCTURE & EQUIPMENT INSTALLATION OF CCR | METHOD STATEMENT

1.0 PURPOSE
2.0 SCOPE
3.0 APPLICABLE DOCUMENTS
4.0 RESPONSIBILITY
5.0 MANPOWER
6.0 TOOLS & EQUIPMENT
7.0 METHODS/PROCEDURES
8.0 QUALITY CONTROL
9.0 SAFETY PRECAUTION
10. ATTACHMENTS.

STRUCTURE & EQUIPMENT INSTALLATION OF CCR | METHOD STATEMENT

1.0   PURPOSE

This  method  statement  shall  provide minimum  guidelines  in  accordance with project drawings and specification to installation of CCR (structure & equipment) in Plants and Refinery Projects.

2.0  SCOPE

This specification covers the minimum requirements for installation of CCR (structure & equipment) to be applied in Plants and Refinery Projects.

3.0  APPLICABLE DOCUMENTS

3.1. ARAMCO  Project Specifications  and Standard

3.1.1.    SAEP-302 Instruction for obtaining a waiver of a mandatory Saudi ARAMCO Engineering requirement.

3.1.2.    SAES-Q-005 Concrete foundation

3.1.3.    SAES-Q-010 Cement  Based  Non-shrink  Grout  for  Structural  and

3.1.4.    SAES-L-350 Equipment Grouting. Construction of Plant piping

3.1.5.    SAES-H-101V – Approved   Saudi  Aramco   Data  Sheets  –  Paints  and Coatings

3.1.6.    Related    Vendors    Installation    and    maintenance     manuals    and    /or specifications

3.2.  Industry Codes Standard

3.2.1.   AWS  D1.1  Structural Welding  Codes

3.3.  Inspection  and Testing Plan

3.3.1.   SATIP-M-001             Structural  Design for Non-Building  Structure

3.3.2.    SATIP-O-001-01       Typical  Inspection  Plan Pressure Vessel  Installation

3.3.3.    SATIP-Q-010-01       Cement Based Non-Shrink Grouting

3.4.  Latest Revision of the following Documents shall be used

3.4.1.   Vendor  Drawing

3.4.2.    Foundation  Drawing

3.4.3.    Equipment  Details

3.5.  Saudi ARAMCO  Safety,  Health and Environmental  Standard

3.5.1.   Construction  safety manual – compliance with schedule  D

4.0   RESPONSIBILITY

4.1.  Construction   Manager  shall  implement  all  HSE  requirements  for  the  job,  shall study,  analyze  and  schedule  all  construction   activities  with  his  department  to include  manpower  and  equipment  line  up  as  well  as  other  possible  resources required for the successful  implementation  of the construction  work activities.  He shall study all aspects of work procedure as per Technical  Scope of Work.

4.2. Mechanical Superintendent/ Supervisor shall study and review all necessary documents for the Erection works in his area to include, technical scope of work, specification,   bill  of  quantities,   planned  milestone  dates   and   construction procedure in support to his Mechanical  Foreman.  He shall monitor the availability of materials in  accordance with the schedules and construction  analysis.     He shall be directly reporting to the Construction Manager. He shall coordinate with other    discipline to visualize possible conflicts in the drawings as well as in the schedules to provide other options in preventing unnecessary delays and obstructions.

4.3.  Mechanical  Foreman shall be responsible for the direct work supervision at site and ensured that the work is performed in accordance with Technical  Scope of Work and latest approved for construction  drawings.  He shall monitor the availability of materials in line with his required schedule.

4.4. The Welding Supervisor and/or Foreman are solely responsible to ensure that all welding works are  in  conformance with  applicable codes,  standards, specifications and approved procedures.

4.5.  QC Inspector shall be responsible in  inspection and monitoring  of the work and ensure that the work is  performed and properly documented in accordance with Project requirements.

4.6.  Safety Supervisor shall be responsible in monitoring safety aspects and ensuring that the work is done in accordance with Safety Standard Procedure.  He shall discuss to the  Supervisor’s  the  characteristics  of  related materials and status of work area giving reminders as an additional point to work safely.

5.0  MANPOWER

5.1. The Mechanical Supervisor shall control the overall activity. The basic manpower under him shall consist but not limited to the following:

5.1.1.   Supervisor Mechanical

5.1.2.   Mechanical Foreman

5.1.3.   Crane Operator (ARAMCO Certified)

5.1.4.    Riggers (ARAMCO Certified)

5.1.5.   Welder

5.1.6.    Millwright

5.1.7.    Mechanical  Fitter

5.1.8.   Masons/Carpenters shall study all aspects of work procedure as per Technical  Scope of Work.

5.1.9. Truck driver
5.1.10. QC Inspector
5.1.11. Surveyor
5.1.12. Steel Worker
5.1.13. Permit Receiver
5.1.14. Helpers
5.2. Safety Engineer/Officer

6.0 TOOLS AND EQUIPMENT

6.1. Tools and equipment needed should be in good condition and must be checked by Mechanical Supervisor/Safety Officer prior to use in the construction area. These Includes but not limited to:
6.1.1. Calibrated engineering level with calibration certificate
6.1.2. Corrective wrenches all required range
6.1.3. Certified sling and hoists
6.1 .4. Rigging accessories
6.1.5. Spreader Beam (approved by ARAMCO)
6.1.6. Welding machine
6.1.7. Concrete drill
6.1.8. Millwright Precision meter
6.1.9. Theodolite
6.1.10. Auto level
6.1.11. Crawler crane
6.1.12. Tag line nylon rope
6.1.13. Air compressor
6.1.14. Bolt tension calibrator

CCR Reactor Site Assembly Installation Procedure

7.0 METHODS/ PROCEDURE

7.1. Jobsite Receiving and Inspection

7.1.1. Upon withdrawal and receipt of equipment from warehouse, receiving inspection shall be conducted immediately as per SATI P-D-001-01 to verify compliance and latest revision of vendors drawing.
7.1.2. Record of inspection shall be documented as per SATIP-D-001-01 (Material Receiving Inspection); findings and deviations shall be documented in Quality control Inspection Report (QCIR) and Non Conformance Report (NCR).

7.2.  Equipment Preservation/Protection

7.2.1.   Vendor’s/Manufacturer’s    recommendation   for   equipment   preservation shall be followed: Applicable provision such (Material and Equipment Protection Program.

7.2.2.   When the equipment arrived at site,  shop preservation shall be checked. Where necessary damage to preservation shall be rectified without delay.

7.3.  Preparatory Works

7.3.1.  Secure all the valid documents prior to work commence.

7.3.2.   Tools and equipment  shall be made operational  and available for  use. Ensure tools are color-coded accordingly.  Calibration certification  where required shall be in valid dates.

7.3.3.   Prior to the arrival  of equipment  on site,  ARCC  must be reviewed  the manufacturer’s requirement and the requirements of this project specification regarding on site storage of the equipment. These requirements  shall  be  incorporated  with  the  preservation   plan  in   all respects.

7.3.4.   Mobilize all manpower, tools and equipment needed for the job.

7.3.5.   Prepare shim if there is a requirement.

7.3.6.   Install barricades to confine the area for authorized personnel only.

7.3.7.   Prepare lifting location where the crane will be located and positioned.

7.3.8.   Prepare and set all rigging accessories according to arrangement.

7.3.9.   Checked  wind  condition,  lift  shall  not  proceed  when  wind  velocity  is greater than required of crane.

7.3.10. Stabilized ground areas for pre-assembly and crane location. Crane mats shall be provided in accordance to findings of soil bearing pressure.

7.4.  Foundation Preparation for Vessel/ Structure

7.4.1.  Confirm acceptances & turnover of civil works foundation/pedestals with a signed  copy  of  works  release  notice  prior  to  installation  of  Vessel  / structure.

7.4.2.   When  the foundation  released  the following  points shall  be checked with the latest relevant drawing:

7.4.2.1       Distinct position  (centre)  marking  and height  (level) marking  on the foundation, It will be referred for alignment work of level and position.

7.4.2.2      Size  and  number  of anchor  bolt  and  nuts,  position  of  anchor bolts with  projection.

7.4.2.3      Existence  of damages  and  rust  of  threaded  of buried  anchor bolts with  projection. Trace  centerlines  of foundation  bolt holes with   reference   to   gridlines.   Check   Verticality/plumbness   of anchor bolt.

7.4.2.4     Clean the surface thoroughly by blowing with oil-free from air compressor.

7.4.2.5      Centerlines  lost  due  to  chipping  operations  will  retrace  anew Anchor   bolts  shall  be  protected   properly  to  avoid  damages during  chipping/padding work and  keep it up to the structure  & equipment  installation.

7.4.2.6     The  elevation  of the  chipped  top foundations shall  allow for  at least  25mm  of grout  under the  base  plate as per SAES-Q-005 Concrete foundation.

7.4.2.7      The  bottom  of the  bases  shall  be cleaned  and free of  laitance, oil or grease.

7.4.2.8      Laitance  shall  be  removed  from  the  surface  of the  foundation and  boxes  by chipping  to ensure  good  adherences  of padding and grout materials to the surface preparation.

7.4.3.    Dimensional  Inspection  and Checking of Foundation:

7.4.3.1       Using Work Transfer Sheet, following shall be done

  • Establish  centerlines   (Northing   and  Easting)   of  columns reference to applicable foundation/civil drawings.

7.4.3.2      Confirm radius of bolts from  center of equipment

  • Confirm arc length  in between adjacent bolts.
  • Using  an  auto  level,   confirm  Top  of  Concrete  (T.O.C.) elevation.

7.4.3.3     Compare  data  with   reference   drawings   and  Survey  Data Record.  Note the discrepancies  and unacceptable tolerances and report through QCIR.

7.4.4.   Padding

7.4.4.1      Pads and liners shall be machined flat  parallel and larger than the foot of base frame.

7.4.4.2      Pads material shall be in accordance with ASTM A283 Gr.  C,D or equivalent.

7.4.4.3     Pad shall be hot dip galvanized in accordance with ASTM A123 or coated with  zinc rich epoxy primer  in APCS-1C of SAES-H-101  as applicable

7.4.4.4     In general, the distance between pads shall not exceed 800mm. If the distance becomes more than 800mm,  an additional  pad shall be added in between.

7.4.4.5     Pad  size  shall  be  selected  as  per the  anchor  bolt  size  as follows:

  • Bolt diameter M24 or 1   inch and below            Pad width 50mm
  • Bolt diameter M30-M48 or 1-1/4 to 2 inches      Pad width 75mm
  • Bolts diameter M56 or 2-1/4 inches and above  Pad width 100mm

7.4.4.6      Number of pads shall be determined so the load  pressure will be less  than 30kg/cm2 as per following formula. The supporting load  can be calculated

L=W/NxAxB

L:  Load supported by pad (kg/cm2) W:  Lifting load of equipment (kg)

N:  Number of pads

A: Width of pad plate (cm)

STRUCTURE & EQUIPMENT INSTALLATION OF CCR | METHOD STATEMENT

7.4.4.7      The  length  of pad  shall  be 20  mm  to  30  mm  longer than  the width  of the equipment  bases.

7.4.4.8      The  thickness  of the  both taper  and  straight  liners  shall  be at least  10  mm  and  the  minimum  thickness  of the  tapered  ends shall be 2 mm. Adjustment allowance  shall be 4 to 6 mm.

7.4.4.9      The wedge  liners may be applied to tower and vertical vessel, If necessary. The  gradient  of the wedge  liners shall  be generally less than  1/30, and two wedge  liners shall  be  used  in  back to back so as to make their top and bottom faces in  parallel.

7.4.4.10   After finishing padding work,  following  points shall be checked.

  • Position of center and elevation  line of foundation
  • Elevation  and position  of pads
  • Cleanliness of concrete surface
  • Condition  of anchor bolts

7.5.  Erection of CCR (equipment & structure)

7.5.1.    Prepare lifting  location where the crane will be located  and positioned.

7.5.2.    Prepare and set all rigging accessories  according to arrangement.

7.5.3.   Checked  wind   condition,   lift  shall  not  proceed  when  wind  velocity   is greater than required of crane.

7.5.4.   Stabilized ground  areas where crane will be located and positioned. Crane mats shall be provided in  accordance to findings of soil  bearing pressure.

7.5.5.    Rigging plans to use shall be approved by clients.

7.5.6.   Using  required  crane,  pre-assemble   equipment   steel  structure  of  CCR (first lift). After completion  of pre-assembly  erection shall commence. Align and plumb structure as per SATIP-M-001  prior for erection of equipment.

STRUCTURE & EQUIPMENT INSTALLATION OF CCR | METHOD STATEMENT

7.5.7. Erection of equipments such as Reformer feed /effluent exchanger, 1 upper hopper fines filter and upper surge drum fines filter.

STRUCTURE & EQUIPMENT INSTALLATION OF CCR | METHOD STATEMENT

7.5.8. Erection of 2″ lifts equipments steel structure.

STRUCTURE & EQUIPMENT INSTALLATION OF CCR | METHOD STATEMENT

7.5.9. Erect ring saddle of Reactor prior to erection of J10-C-0404.
7.5.10. Set saddle ring on correct orientation, center-line of saddle ring and J10-
C-0404 must be at the same orientation. Adjustment of reactor elevation
will be done using shim plates. Follow welding sequence (attachment 2) to
prevent support ring beam on distortion.

STRUCTURE & EQUIPMENT INSTALLATION OF CCR | METHOD STATEMENT

STRUCTURE & EQUIPMENT INSTALLATION OF CCR | METHOD STATEMENT

See attachment  2 for welding sequence between ring support and beam structure.

7.5.11. After full welding of ring saddle support touch-up  paint on all damaged paint as per S-100-13A0-00 1.

7.5.12. Commence Erection of 4″ reactor upon attaining the required orientation and   elevation,   followed   by   3″   reactor,   2″   reactor,    1    reactor, oxychlorination heater, calcinations heater and regenerator.

7.5.13. Erection of 3″ lifts equipments steel structure.

7.5.14. Erections of hydrogen lift gas exchanger, reduction exchanger and burning heater.

7.5.15. Erection of 4″ lifts equipments steel structure.

7 .5.16. Erections  of reduction heater,  burning feed/effluent  exchanger,  reduction chamber, 2″ upper hopper, calcinations feed/effluent exchanger, lock hopper,  3″  upper hopper,  1  upper hopper,  1°  balance drum,  4″ upper hopper, 2″  balance drum, upper surge drum and 3rd balance drum.

7.5.17. Erections of 5″  lower  hopper, 5″ lift  pot,  4″ lower  hopper, 4″  lift  pot, 3″° lower hopper, 3″  lift pot, 2″ lower hopper,  2″  lift pot,  1 lower hopper,  1″ lift pot.

7.5.17. Erections of 5″  lower  hopper, 5″ lift  pot,  4″ lower  hopper, 4″  lift  pot, 3″° lower hopper, 3″  lift pot, 2″ lower hopper,  2″  lift pot,  1 lower hopper,  1″ lift pot.

7.5.18. Erected structure and equipments will be inspected by SAUDI ARAMCO after alignment.

7.6. Plumbness check (See Figure 1-3)

7.6.1. Take sight on the reference point at the top.
7.6.2. Close the horizontal adjustment knob to lock line of sight of equipment against horizontal movement.
7.6.3. Take sight on the reference point on the bottom.
7.6.4. Out-of-plumb dimension from the reference point at the bottom can be measured from the reference point to the survey instrument line off sight using steel tape/measuring stick.

7.6.5.   Use carbon  steel  shims  if  needed to adjust  verticality  and  plumbness. Wedge blocks when    nosed during  adjustments shall be removed after alignment.

7.6.6.   Shims used for level alignment shall be:

7.6.6.1     Less than 0.0110°(2.5 mm) thick shall be stainless steel.

7.6.6.2    Shim thicker than 0.100(2.5 mm) shall be carbon steel.

7.7.  Setting and Alignment

7.7.1.  The alignment of tower vessels of which the height is  more than 20 m should be checked before dawn or in cloudy days.

7.7.2.   Vessel  shall be aligned at the proper position,  elevation  and levelness within the Tolerances specified in Para 7.11.

7.7.3.   Check elevation,  levelness,  squareness and plumbness as per SATIP-D-001-01  Typical  Inspection Plan Pressure Vessel  Installation.

7.7.4.   After any installation of the equipment and up to grouting commencement foundation Chipped surface shall be protected from harmful contamination for grouting with a Suitable way.

7.8.  Bolt Tightening

7.8.1.  All bolts shall be aligned to permit insertion of bolts without undue damage to the threads.

7.8.2.   Bolts  shall  be  placed  in  all  holes  with  washers  positioned  and  nuts threaded to complete the assembly.

7.8.3.   Any  abnormal  wear  on the  equipment  and parts during  installation  ad assembly shall be corrected.  Prior to the commencement action written work procedure shall be approve by contractor/company.

7.9.  Grouting

7.9.1.   Water for mixing grout non-shrink material  must be fresh and clean,  and free from  Injurious  of oil  acid  alkali,  salt or organic as per SAES-Q-010 Cement Based,  Non- Shrink Grout for structural and Equipment Grouting.

7.9.2.   This grout shall meet the requirement of STS 03600 when used in  high fluidity range. Compressive strength shall be in excess of 34.5 Mpa (5000 psi) when mixed according to manufacturer instructions.

7.9.3.   Grout shall be mixed in accordance’s with grout manufacture’s instruction. Contractor Shall prepare sufficient quality of grouting material,  clean tools and equipment and suitable water mixture at site to complete the job.

7.10. Setting of liner

7.10.1. Prior to the installation of liners and equipment,  the liners and grouting portion  of foundation shall be chipped and all concrete laitance shall be removed from portion.

7.10.2. Flat liners shall be installed at the positions as described in  Para 7.6 with pads of cement grout at least seven days before equipment installation. lncase   non-shrink  grout  material   is   used;   the  curing duration  shall according to the manufacture’s recommended.

7.10.3. In case that wedges liners are used the level of padding with a flat liners need to be adjust to meet with the final equipment elevation.

7.11. Alignment Tolerances

7 .11. 1 .    Position  ±3mm

7.11.1.1    Every 90 degree orientation  of base plate shall be measured with reference to the Orientation of the foundation

7.11.2. Elevation  ±3mm

7.11.2.1   The bottom of base plate shall measure with  reference to the level marking of the foundation. At least, one point of the base plate shall be aligned within these tolerances.

7.11.3. Levelness 1/1,000 (for horizontal equipment)

7.11.3.1   The  center  line  of equipment  shall  be  in  alignment  with  the horizontal  line  within  the  tolerances  of  1/1,000.  If  slope  is required, the inclination shall be considered

7 .11.4. Perpendicular  ±6mm for each 1 Om (for vertical equipment only)

7.11.4.1   The  center  line  of the  equipment  shall  be in  alignment with vertical  line within  the tolerance  of ±6mm for every 10m  length of the equipment, in principle, provides that such tolerance 20m and longer equipment shall not exceed ±12mm.

7.11.5. Damages and Nonconformity

7.11.5.1    Any damages and defects and nonconformity found at site and lay down yard shall be reported immediately.

8.0 QUALITY CONTROL

  1. QC personnel shall  be assigned to ensure the quality control and assurance requirement of the project.
  2. QC Inspector shall  coordinate with  other inspector to conduct inspection  as required in SATIP.
  3. QC Inspector shall be responsible to conduct all required inspections/documentations and to ensure that all applicable requirements, codes, and standards are complied with.
  4. Contractor has to utilize the applicable SAIC for every activity.
  5. Calibration shall be done as required for all machines and tools going to be used in the work in accordance with schedule Q.

9.0  SAFETY PRECAUTION

Obtain the approval of the work permit from the concerned Representative before starting any work.

9.1.  Fire Watcher with  Fire Extinguisher shall  be at work area whenever there is hot work.

9.2.   All electrical tools shall be checked and color-coded.

9.3.   Continuous monitoring and inspection shall be done by Mechanical Supervisor and Safety Supervisor and it shall be continuously implemented to detect and correct unsafe practices while performing the work activities.

9.4.  Provide warning sign and sufficient barricade on working area and only assigned personnel will be allowed in the area.

9.5.  Safety harness with double lanyards shall be used all the time when working at elevated temporary platforms 1.8 meters high and above.

9.6.   Man lift users shall be trained and certified to operate and use the equipment.

9.7.   Mechanical Supervisor shall monitor the work activities to help and to protect all assigned  workers  against  exposure  to  safety  hazards.  He shall  ensure  that Personal Protective Equipment (PPE’s) are supplied and used and comply with applicable standards.  HSE will assist in giving advice.

9.8.   All rigging equipment shall be in good condition and possess a valid certification from authorized certifying and inspection department  inspection and color coding shall be done in accordance will  inspection guideline.

9.9.    Toolbox meeting shall be conducted by Mechanical Supervisor daily so as work activities will be properly coordinated to all  concerned and all  safety  infractions will be acted on immediately.

9.10.  All necessary personal protective equipment (PPE) shall be provided and to be worn at all times.

9.11.  Housekeeping  shall be maintained  and working  area shall be kept in  a clean and tidy manner.

9.12.  Job  Hazard  and  Risk Assessment   (JHRA)  of this  method  statement  shall  be disseminated and explained to workers prior to start of work.

10.0 ATTACHMENT

Job Hazard and Risk Assessment  (JHRA)

Welding Sequence

 

 

 


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