Method Statement for Crosshole Sonic Logging for Bored Piles

method statement for crosshole sonic

Last Updated on July 12, 2020 by Jose Villegas Jr.

VI. Risk Assessment

Please refer to the attached document in Appendix B.

VII. Permit and Licensing Requirements

The Contractor shall issue a “Permit to Work” prior to the start of activity.

VIII. Drawings, Diagrams, Maps and Survey Data

The data logging format is attached in Appendix A.

IX. Pre-Start Safety Briefing Arrangements

Refer to Risk Assessment in Appendix C.

  1. Protective and Safety Equipment

All workers Involved shall be equipped with adequate PPE as stated below:

  1. Safety Helmet with Company Logo
  2. Safety Boots
  3. High Visibility Vest
  4. Safety Goggles
  5. Hand Gloves
  6. Coveralls
  7. Information to Personnel
  8. Safety Induction
  9. Job training
  10. Superintendents Notices/Memos
  11. Toolbox talks
  12. START Card

Special Safety Requirements

  1. All necessary personal/protective equipment (PPE), as well as a harness, be provided.
  2. Banksman, wearing distinctive vests, shall be assigned to help operators maneuver their equipment.
  3. The equipment operators shall possess the required licenses and certificates.
  4. Generated dust shall be controlled by periodic water spraying.
  5. The project safety officer is responsible along with the project zone site engineer for ensuring that all operations are carried out with due regard to the safety of all project personnel & property.
  6. All working activity shall comply with Client Safety Procedure.
  7. First Aid Material.
  8. General management of protection/operation hazards is to be observed.
  9. In the case of working at night, please refer to Method Statement for Night Works (ref.: xxxxxxxxx-xxxxx)
  1. Emergency Procedures

The Flow Chart below shows the Emergency Contact No. during work:

  1. Emergency Contact Numbers

X. Supervision and Monitoring Arrangements

Construction Manager

Over-all in charge of Construction activities. Schedule the project in logical steps and budget time required to meet deadlines. Inspect and review projects to monitor compliance with building and safety codes and other regulations.

Site Engineer

The Site Engineer shall evaluate the number of materials consumed by each trade to be compared against the planned quantity.

QA/QC Engineer

The QA/QC Engineer shall monitor whether the installation works are conforming to the required quality otherwise he shall notify the Site Engineer should he found nonconformance to the ongoing activities. The Site Engineer shall immediately rectify the work to avoid receipt of NCR from the QA/QC Engineer.

HSE Engineer

The Safety Engineer shall be full time at the site and shall frequently visit all the ongoing works at the site. All safety violations and on-conformance of the HSE Plan shall be registered and immediate action shall be done in coordination with the Site Engineer.

Instrumentation Engineer

Manage, update and supply collected data. Analyze and ensure to standardize equipment on return. Supervise current equipment service contracts. Maintain and update instrumentation systems and electronic control.

Geotechnical Engineer

Will have direct responsibility for the Crosshole Sonic Logging work. Ensure that all equipment conforms to the specifications and that the work and documentations are according to required standards.

Surveyor

  • Carry out a pre-construction survey to fix the locations and corresponding elevations as per the approved shop drawings.
  • Ensure the quality and compliance during phases of surveying works and the regular checking of the surveying equipment or periodic calibration from the third party.
  • Ensure the validity and the serial number of calibration certificates are available and posted in the survey equipment.
  • Ensure proper safety guarding of surveying equipment. To maintain the records of all surveying equipment handled.

Data Encoder

Enters various pieces of information or data in the mainframes. Maintain accurate records and even complete data that is necessary for the project. Provide assistance to one’s superior by encoding the right information or data needed.

Note: Site Engineers / HSE Staff shall have access on-site to each MS/RA.

XI. Environment and Quality Issues

  1. Precautionary Measure

All precautionary measures shall be briefed to all workers prior to commence the activity

  1. Disposal Requirements

All waste shall be disposed of as per the Construction Environmental Management Plan and as per Government approved disposal areas.

  1. Inspection, Test, and Sampling

Request for Inspection and Testing will be submitted prior to and after the execution of works.

  1. Quality Assurance Requirements Table

Refer to Project Quality Plan

  1. Project Specifications

XII. Attachments

  1. Reference Documentation

Project Specifications

  1. Appendices

Appendix A: CSL Logs

Appendix B: Risk Assessment

Appendix C: Calibration Certificate

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