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Enclosed Space Entry Procedure | Detailed Explanation
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Enclosed Space Entry Procedure | Detailed Explanation

Introduction to Enclosed Space Entry

In this section, the speaker introduces the concept of enclosed spaces and explains the importance of hazard identification, risk assessment, and risk control before entering an enclosed space.

What is an Enclosed Space?

  • An enclosed space is a space with limited openings for entry and exit.
  • It has inadequate ventilation and is not designed for continuous worker occupancy.

Hazard Identification, Risk Assessment, and Risk Control

  • Before entering an enclosed space for maintenance, repair or inspection purposes, hazard identification, risk assessment, and risk control need to be carried out.
  • Risk assessment is done to identify hazards associated with the enclosed space.
  • The identified hazards are then analyzed and evaluated to determine the risks associated with them.

Safety Preparations for Enclosed Space Entry

This section covers safety preparations that need to be carried out before entering an enclosed space.

Locking Out Valves and Pumps

  • Valves and pumps both electrically and mechanically should be locked out before entering an enclosed space.
  • Notices forbidding action should be posted.

Proper Isolation of the Enclosed Area

  • The enclosed area needs to be properly isolated before entry.
  • Hose pipes adjacent to this tank which are not secured could impose a danger prior opening the manhole door of respective tanks.

Checking Tank Soundings

  • Before opening manhole doors of respective tanks, tank soundings should be checked.
  • Ensure that tanks are empty.

Ventilation

  • Allow sufficient time for natural or mechanical ventilation after opening both manhole doors.
  • Guards should be placed on any opening into the enclosed space to prevent falls accidentally or any unauthorized entry has to be avoided.

-The attendant at the entrance point has to be appointed.

Testing Enclosed Space Atmosphere

This section covers the testing of enclosed space atmosphere before entry.

Stopping Atmospheric Ventilation

  • 10 minutes prior to testing, atmospheric ventilation should be stopped.

Checking Oxygen Content

  • The oxygen content in the enclosed space tank atmosphere needs to be checked.
  • If the oxygen level falls below 18%, the person entering in the tank will feel shortness of breath, headache, dizziness, rapid breathing, chest pain, confusion.

Testing for Flammable Gases

  • Not more than one percentage of lower flammability limit on a suitable sensitive combustible gas indicator is allowed.
  • Preliminary assessment has determined that there is a potential for flammable gases or vapors.

Checking for Toxic Gases

  • No more than 50% of occupational exposure limit of any toxic vapors and gases is allowed.
  • Tests should be carried out at different levels of the enclosed space to obtain a representative sample of the atmosphere in the space.

Permit Work and Checklist

This section covers permit work and checklist requirements before entering an enclosed space.

Authorized Permit

  • A confined space entry should be made with an authorized and issued permit by a trained and competent person.

Permission to Work

  • The permission to work in an enclosed space specifies the necessary safety measures and control options.

-The proper permit work has to be filled up and checklist to be checked so as to prevent any accident which can endanger life.

Completion of Work

The work has been completed and confirmed.

  • Confirmation of completion.

Successful Completion

The work has been successfully completed.

  • Applause for successful completion.

Entry into Bilge Holding Tank

Entry into the bilge holding tank is recorded.

  • Persons have entered the enclosed space at 10:15 and all are okay.
  • Entries have been made in entry lock record.
  • Second foil 1 and caller 2 have come out of the enclosed space at 10:15 hours.
  • Enclosed space entry into bilge holding tank has been completed and permit closed at 10:30 hours.

Securing the Area

The area is secured against man entry.

  • Manhole door has been secured against man entry at Stanford.
  • Area has been secured against Manchester United at 10:20.

Normal Operation

All walls and pump breakers for bilge holding tank are put back to normal operation.

  • Respective wall and the pumps breaker for the enclosed space has been put back to normal condition pack removed entry power is closed at 10 30.
  • All walls and pump breakers for bilge holding tank have been put back to normal operation and enclosed space entry permit closed at 10:30 hours.

Record Keeping

The permit is filed in the respective enclosed space entry permit file as a part of record keeping.

  • Timings have been recorded in the enclosed page entry logbook.
  • Dually filled permit is filed in the respective enclosed space entry permit file as a part of record keeping.
Video description

The video explains 1)The pre-entry Checks/Procedures to be followed while entering into enclosed space 2) The various gas analysis for enclosed space entry 3) Importance and procedures of filling up Enclosed space entry Permit 4) Communication procedures during enclosed space entry 5) Various emergency equipment to be kept on standby at the entry point. 6) Breathing devices used for enclosed space entry. 7) Securing procedure after enclosed space entry. An initiative by the faculty and cadets of HIMT college to spread the safety awareness and procedures to be followed while entering into an Enclosed space. We at HIMT college, train our cadets to excel in their area of expertise with emphasis given on Safe working procedures, It makes our cadets perform well when they are placed on board Ship. #enclosedspaceentry #enclosedspaces