Features of Work permit

Work Permit Issuer

• Organization Foreman and above level of Maint. Dept.
•   Organization Asst. Foreman may be considered for special situation like shut down.
• Organization Technician level may be considered only for Cold work permit which is not related to opening of vessels, disconnecting lines in flammable or toxic services and radiography. 
• They may be authorized to sign hot work permit related to use of portable battery operated equipment and for vehicle entry. 
• Separate permits are required for different crafts and jobs. 
• Equivalent categories of other dept. personnel can be granted similar authority.
• Contractor personnel shall not be considered as Executor/Issuer. However DCEO may approve request for authorizing Service contractor’s personnel equivalent to Organization Foreman as Executors if there is a genuine shortage of Organization personnel.
• Contractor’s column : The actual Site Supervisor of contractor to sign to indicate understanding of permit condition for compliance. He shall have a valid Work Permit Awareness Card. 
• Responsibility for safe execution of job lies primarily with Organization Maint. , including the job for which contractor personnel have signed as Executor.

1. Immediate danger to life or health of personnel involved in work and/or other personnel i.e. lost work day injury, disability or deaths
2. Damage to company assets or property i.e. physical damage, fire/explosion product loss…etc.
3. Significant effect on the environment by way of toxic release, pollution, etc.
4. Undesirable effect on company’s reputation.

Work Permit Risk Assessment

Making it safer to do the job

Risk Assessment Sequence of Events

Preparation Of The Equipment (Section 3.A)

• Isolated from power/steam/air 

• Isolated from liquid or gases. 

• Depressurized &/or drained 

• Blanked/blinded/disconnected. 

• Water flushed &/or steamed 

• Ventilated ( natural/ mechanical) 

• Continuous inert gas flow arranged 

• Adequately cooled

• Approved by Inspection\

Preparation Of Equip. 

( Additional Reqmt For Hot Work )

• Sewers & drains covered 

• Combustibles removed from the area 

• Engine exhaust spark arrester with valid safety certificate…

Residual Hazards (Section 3 B)

• Combustible gas &/ or liquid 

• Lack of oxygen 

• H2S and/or any other toxic gases 

• Corrosive chemicals 

• Pyrophoric iron/scales 

• Electricity /static 

• Heat /steam/frost 

• High humidity 

• Ionizing Radiation

Protection Measures ( Section 3.C)

Protection Measures

• Gloves ( Type………) 

• Ear plug/muff 

• Goggles(……….)/ face shield 

• Protective clothing(…….) 

• Dust /gas/air line mask

• Safety belt / harness/lifeline 

• Standby with SCBA/ air mask 

• Liquid collector underneath 

• Fire extinguisher/ water hose                       

• Non-sparking tools 

• Barricade with tape/sheet/tarpaulin

Additional Protective Measures For Hot Work

• Equipment grounded/bonded 

• Running/ pressurized water hose 

• Barricade with flame retardant tarpaulin/ tape /………

Gas Test For Work Permit (Section 4.A)

Why gas test is required ? 

•  Most of the gases are unwanted Hazards involved 
•  Flammability (Fire & Explosion) 
•  Toxicity(health hazard) 
•  Oxygen Deficiency

Common flammable gases/liquids in refinery are 

• All petroleum products, Crude & intermediates 
• Hydrogen 
• LPG & LNG 

Common toxic gases in refinery

• H2S, CO, SO2 etc.

Flammable range of fuels

• Too rich 

• UFL 

• Flammable or 

• Explosive Range 

• (Volume % in air) 

• LFL 

• Too lean

For Hot Work : 

• Combustible - Below 1 % LEL 

                          ( Preferably NIL) 

For Confined Space Entry (without breathing apparatus) :

• Oxygen  - 19.5% -23.5% 
•  Flammable – Below 10 % LEL for Cold Work 
•  Toxic Gases  - Below TLV       (For H2S : 10 ppm, CO : 25 ppm, SO2 : 2ppm)

Confined space Entry With BA protection : 

Toxic gases shall be below 1/3 of IDLH 

• H2S  - Less than 33 PPM 

• CO    - Less than 400 PPM

However, no hot job can be carried out inside the confined space at this condition.

Inert Entry : 

• Flammable gases shall be below 10% LEL(for hot work) & below 20% LEL (for cold work)

• The O2 concentration shall not exceed 5 %.

Situations Requiring  Gas Test

• For all hot work / vehicle entry permits  & confined space entry authorizations . 

• Also for some of the cold work permits depending on the nature of job.

Example :

Breaking a joint on a line suspected to contain volatile HC / toxic  gases. 

Working in an area where high concentration of HC or toxic gases  is likely.

Gas Test For Work Permit

• Issuing authority determines requirement of gas test & frequency of re-checking. 

• Authorized Gas tester (certified by KNPC Safety)  only shall carry out the test. 

• The gas tester shall be checked in fresh air and to be kept “ON” before actual test. 

• At least 13 % O2 is required to obtain an accurate LEL reading, so special test methods  (as per the instruction manual of the gas meter or lab analysis) shall be adopted in inert atmospheres (system purged with N2 or steam) 

• The Gas tester shall use SCBA or carry Escape mask for gas test, if toxic vapor is known/suspected. 

• Gas Tester (meter) must be re-calibrated every 3 months

Gas Testing Authority 

Who Can perform The Gas Test ? 

Authorized gas tester (Operator, having at least two years experience and  above in operation dept.), who has been certified and holding valid certification card can do the gas test Check & confirm that gas testing instrument is in perfect working condition before proceeding for the area/equipment

Validity of the certification is 3 years 

Responsibilities 

Carry out gas test at all critical locations/positions 

• Advise on safe method to work inside/at the location i.e., further gas freeing , use of PPE etc.

• Issuer shall determine the requirement of gas test, the gases to be measured and frequency of repeating the test (intermittent monitoring) or the need for continuous monitoring. 

• Minimum requirement shall be once at the beginning of shift/work. 

• Gas tests shall be done and results recorded in the permit at the time of issuing the permit. 

• Thereafter, for intermittent monitoring, gas tests as frequently as mentioned in the permit shall be conducted by the Issuing authority and results shall be logged in a separate sheet showing the time, name of Gas Tester, location of testing and the readings obtained etc. 

• After initial readings are taken, for continuous monitoring, Issuer and Executor can rely on the alarm and data logging capability of the portable continuous gas monitor.

• In case of continuous monitoring, identification details shall be written in the Work Permit 

• Portable continuous gas monitoring instruments shall be located in strategic locations of work site considering wind direction, likely source of gas leak etc. 

• Continuous Gas Monitor shall be arranged by Executor

Electrical Isolation (Sec 4.B)

• Before issuing a Work Permit, ensure that the equipment / facility to be worked on is electrically safe & electrical power is isolated to the extent necessary. 

• Issuing & Executing authorities & Electrical Maint. shall jointly decide the extent of isolation required. 

• Authorized person from  Electrical  Maint. shall isolate power supply of the circuit / equipment to be worked after obtaining separate permit, then close the permit and sign Section (4B)(i) .

• “Not required” option to be used when isolation is not applicable or the particular job requires the power to be ON. 

• Use “DO NOT OPERATE” tag option when isolation by local switch is considered adequate. 

• Use multi-lock systems when different crafts are involved. 

Work on Cathodically Protected equipment : 

• Prior notice shall be given to Corrosion Section , who shall isolate electrical current 24 hrs. in advance. 

• Corrosion Section has to declare if it is safe to work 

Multi-lock System

• Shall be used when different crafts are    involved in job on a electrically driven / connected equipment.

• Issuing authority, Executing authority and Electrical Maint. will decide isolation required.

• Issuing authority issues work permit to isolate electrical equipment from sub station.

• Electrical section after isolation shall install the lock first and then other crafts involved shall install their locks on multi lock pad. The sections installing the lock shall sign 

section 4.B(ii) of work permit .

• After installing lock & signing permit, the keys of the lock shall be retained by respective locking authority until the job is completed.

• A separate log book shall be maintained in electrical sub station.

• Multi-lock signatures renewed when permits are renewed.

• On completion of work , executor shall remove tag/lock  and close the permit. Circuit can not be reenergized until the permit is closed.

Validity Of Permit

• Validity of initial issue of work permit shall be for the duration of work or until the end of the shift / workday, whichever is less. The Issuer / Executor shall not sign the permit for duration beyond their work hours. 

• Can be renewed twice provided the job and surrounding areas reinspected, gas tests are repeated  ( where required)  & each renewal is signed by all signatories. 

• Extended duration of work permit for sp. Tasks such as major turnarounds and major project could be considered subject to written approval from KNPC Safety. 

• If work in hazardous location is stopped or not started for over 2 hours for any reason, the permit becomes invalid. It shall be renewed before starting or resuming the job. 

Closing & Filing Of Work Permits

• Issuer & Executor shall fill and sign Section-6 (Permit Closure) of the permit on the original &  Field Operator copies on completion of work or at the end of last renewal (whichever is earlier) to indicate safe handing over of the site. 

• Copies of the closed permits shall be properly filed & kept with respective disciplines  for at least one month from the date of issue/closure.  Different types of permits shall be filed separately in chronological order in box files. 

• Issuer shall drop Safety copy in permit box immediately after signing the first issue. Area safety engineer shall clear the box every workday. 

General Requirement For Cold Work Permit 

 Issuer shall ensure that  all necessary     preparations are done to carry out the job in a safe manner before issuing the permit.

 Executor shall ensure tools used do not produce any spark (brass hammer, cold cutting or cold drilling with pneumatic drill)

 Executor shall indicate to Issuer that battery / electric operated items are intrinsically safe or explosion proof.

 If the work involve release of flammable materials, no hot work shall be allowed within 15m radius.

 Job on or near the vessel under Nitrogen purging, arrange to display “Nitrogen Purging, Contaminated area” display.

 Extra precautions must be taken for critical cold jobs.

Special Requirements for Hot Work

The issuer responsible for ensuring that site & equipment are properly prepared to prevent the danger of fire & explosion involving flammable material.

Issuer shall ensure that, the equipment is emptied and cleaned of flammable materials & isolated from sources of hydrocarbons by means of disconnection, blanking or insertion of blinds.

• Equipment and surrounding areas shall be checked to ensure that they are free from any combustible gas.

• Carry out test for flammable gas in a radius of 15 meter at location of work.

• Any heavy oil deposit, dried vegetation or other flammable / combustible materials within 8 m of a hot work site shall be cleared away.

• No hot work shall be allowed within a radius of 15 m of any sample point, drain or relief valve outlet unless precautions have been taken to prevent the escape of flammable liquids and vapors.

• The outlet of all units drain seals within 15 m of the hot work shall be plugged.

• Fire Station EDC (Previously - ECCC) to be informed of  hot work. 

• Before hot cutting a long pipe, cold cut or hole shall be made to test combustible gases at the point of cut. Cold cutting shall be preferred option.

• If welding or grinding is to be done at height, precautions required to prevent spread of sparks & molten metal to surroundings with fire-resisting or flame-retarding tarpaulin. 

• A hose capable of reaching up to the hot work point and connected to fire water main. Water to be used for quenching sparks or molten slag & two fire extinguishers to be provided within 8 m from the place of hot work. 

• Executor shall ensure proper grounding / bonding of equipment. 

• Executor shall ensure that work area is made safe at the end of job/work day.

REQUIREMENT FOR WORKING WITH RADIOGRAPHY

 Hot work permit is required if X ray generator is used; otherwise cold work permit. 

 Work shall preferably be scheduled when not many people are present in the area ( weekend, night time etc.) 

 Barricade area based on maximum radiation level of 0.25 mrem/hr. and provide adequate warning signs. Warning flash lights to be provided at night. 

 Authorized person shall announce the start & duration of job using plant paging system and monitor the radiation at the boundary limit during the radiography. 

 Film badges and Dosimeters shall be worn by personnel   handling radiography equip.

Offshore/Oil Pier Work

• Employees working on oil pier/ offshore shall wear life jackets wherever proper platforms with guardrails are not provided.

• Any employee working below deck & away from proper platform shall be equipped with lifeline & safety harness/belt in addition to life jacket.

• Life buoys with 27m(90 feet) rope shall be available or arranged at work location.

• Executors shall ensure that the divers are qualified, trained and medically fit.

• SCUBA diving – not allowed in between sunset & sunrise

ADDITIONAL PRECAUTION FOR HOT JOBS : 

• No hot job within 30 m of a ship being loaded, un-loaded, gas freed/ inerted. 

• Frequency of flammable gas monitoring shall be established

Vehicle Entry

• A Hot Work Permit is required for entry of all vehicles and mobile equipment into Div.-II hazardous areas.  Such areas shall be clearly demarcated with signs indicating “No Entry without  Permit” and/or with removable chain. 

• The signatory authorities shall ensure that all vehicles / equipment exhaust are equipped with  spark arrestors of approved type. 

• Equipped with certified fire extinguishers. 

• Issuer shall verify the validity of Organization Safety certificate and indicates its number on the permit. 

• Engine driven vehicles or mobile equipment shall not be allowed to enter into Div.-I areas. 

• Field Operator shall guide the driver on which routes needs to be followed

WORKING WITH RESPIRATORY PROTECTION IN OPEN AREAS

• Toxic Gases/Vapours/Dusts - Above TLV – Respiratory Protection is required 

• Use dust mask where dust concentration is below TLV 

• For special situations-Selection of Respiratory Protection equipment shall be done while doing Risk Assessment for the job 

• For IDLH or Potential IDLH, Airline BA with Escape Cylinder or SCBA 

• Medically Fit, Respiratory Fit test passed , Trained and Authorized employee shall use 

• Refer Respiratory Protection Program for detailed info.

WORKING ON OR NEAR EQUIPMENT CONTAINING HYDRAGEN SULPHIDE (H2S)

Examples 

• Working in an area where the concentration of H2S in air has been tested to be greater than 10 ppm or is expected to be above 10 ppm, based on operating conditions. 

• Live Flare Work 

• Sampling Sour gas, sour water etc.. 

• Opening cooling and sea water lines 

• Conducting H2S monitoring where concentration of H2S is unknown Safe Work Practices 

• Airline breathing apparatus with escape cylinder or Self Contained Breathing Apparatus (SCBA) shall be used for any work which could involve or contain hydrogen sulfide at concentrations above 10 ppm. (IDLH value is 100 ppm). 

• Hydrogen sulfide monitor shall be mandatorily worn. 

• Refer Respiratory Protection Program for detailed info.

USE OF PORTABLE   INSTRUMENTS

• The user division should procure intrinsically safe battery operated portable instruments to carry out the work with cold work permit. 

• Ordinary equipment are treated like any other ignition source. These can be allowed for use in hazardous locations with hot work permit if intrinsically safe instruments for that particular application is not available in the market. 

• Gas test shall be carried out in entire area for use of such equipment. User of such equipment should know the location of nearest fire extinguisher. Requirement of dedicated fire extinguisher, tarpaulin barricade , water hose can be waived. 

• Users are recommended to carry Personal LEL Detector/Alarm

REQUIREMENTS FOR CONFINED SPACE  ENTRY AUTHORIZATION

• Work inside a Confined Space requires a Confined Space Entry Authorization and Work Permit 

• Entry Authorization is meant only for Personnel Entry 

• Sr. No. of work and entry authorization permits shall be cross-referred in each permit. 

• All personnel involved in Confined space entry shall be Medically fit, trained and authorized to enter into Confined Space

GENERAL REQUIREMENTS FOR CONFINED SPACE ENTRY

• All connected lines to confined space shall be positively isolated by blinding, blanking or disconnection. Approved blinding and tagging procedure shall be followed. 

• The confined space shall be made safe by depressurizing, venting, draining, steaming, washing, and ventilating. Radiation source if any shall be removed. 

• Executor shall display Entry authorization, work permits, Risk assessment, etc. at the man way 

• Attendant shall be available and his name mention in the authorization 

• List of authorized Entrant

• Wherever possible the confined space shall be ventilated to enable entry without respiratory protection. At least two man ways shall be opened. In single man way vessel, dropping of spool piece or disconnecting  and misaligning a line shall be adopted. 

• Mechanical ventilation is preferred over natural ventilation. Air intake of forced ventilation equipment shall be from uncontaminated location. 

• Utility air/ instrument air/Oxygen shall not be used as a means of ventilation or as air supply to breathing apparatus. 

• Mechanical ventilation equipment shall be properly grounded (earthed) to dissipate any static charges. Pneumatic air movers (educators) and exhaust fans are recommended for this purpose.

• All entrants shall use personal H2S monitor. 

• Executor shall display entry authorization with associated work permits and attendance sheet at the man way. 

• Adequate illumination shall be provided using 24 V or below explosion-proof lamps. Illumination level not less than 300 lux. Illumination level shall be measured by Work Permit Executor. 

• Use of any electrical equipment above 24V shall have earth leakage tripping device Electrical fittings exceeding 24V and connections inside confined space (including ELCB) shall be inspected and approved byOrganization Electrical Maintenance (or equivalent in projects department) before starting the job. 

• Care must be taken while ventilating confined space containing pyrophoric scales to avoid spontaneous ignition. In such situation inert entry with required safety precautions or handling pyrophoric in wet condition shall be adopted.

• An attendant shall be provided whose name will appear on the Authorization, who is trained and certified to do the Attendant duty. 

• Green sign “ Entry allowed with permit and attendant present” shall be displayed at authorized entry point while attendant is present. Red sign “ No Entry” or barricade tape shall be provided at man ways not approved for entry and at authorized entry point during break time and when attendant is not present. 

• When different crafts are involved, use of common attendant with the consent of attendant supervisor and common entry permit countersigned by other executors is acceptable.

ATTENDANT DUTIES

• Knows the hazards involved in the confined space, consequence of exposure. He shall be able to read and write, trained and certified. 

• Maintains an accurate count of entrants. 

• Remains outside the confined space during entry operations until relieved by another attendant. Wears distinguished jacket for easy identification. 

• Constant communication with entrants 

• Monitor the activities inside & outside the space to determine if it is safe to remain in the space and evacuate the confined space if 

(I) the condition inside or outside becomes unsafe 

(II) he can not effectively & safely perform his duty 

(III)  permit is taken away for renewal.

RESPONSIBILITIES OF ATTENDANT FOR INERT ENTRY

• Attendant Shall wear suitable Respiratory protection. 

• If he is rescuer, he shall comply all requirements of CSE Entrant 

• Coordinate and help in the use of LSS by the entrant. 

• Evacuate personnel 

- If Oxygen is above 5% 

- % LEL increases more than the limit 

- Temp. Rise is more than 3 deg. C / 15 Min. 

• Initiate emergency notification in case of emergency 

• Housekeeping requirements at the entry points.

ATTENDANT DUTIES

• Summon rescue and other emergency services as soon as he determines that authorized entrants may need assistance 

• Not to allow unauthorized entrants to enter into the space. 

• He may enter a confined space to attempt a rescue if he has been trained equipped for rescue operations and possessed CSE Card. 

• Should not perform any other duties which will interfere with his primary duty to monitor and protect the authorized entrants. 

• If communication is interrupted , entrants shall be evacuated

REQUIREMENT FOR ENTRY WITH RESPIRATORY PROTECTION

• Entrant shall wear air supplied respirators in O2 Deficiency atmosphere or where toxic gases are beyond TLV. 

• Under no circumstances chemical cartridge/canister type gas mask shall be used for confined space entry. 

• Executor shall ensure that the BA set users are medically certified & Fit Test and properly trained to use breathing apparatus. 

• Entrant shall wear harness attached to a lifeline and attended by an attendant with BA set. 

• Refer Respiratory Protection Program for further information

ADDITIONAL REQUIREMENTS FOR INERT ENTRY

• Performed by Specialized contractor by specialized equipment. 

• Flammable gases 

     - for hot work – 10% LEL 

     - for Cold work – 20% LEL 

• Continuous Monitoring of Oxygen Level , flammable gases and temperature are Required 

     – Set the Audio-Visual Alarm of Monitor to 5% for Oxygen 

     – For flammable gases 10% and 20% LEL 

• Life Supporting System (LSS) shall be deployed. 

• Attendant with BA and escape set. Rescuer with  LSS shall be readily available 

• Independent Source of Air for Employees 

• Rise in Temperature  3 de. C or more /15 Min. is not allowed. 

• Only Nitrogen Driven Tools and Equipment to be Used 

• RED COLOR Display Warning Board “Nitrogen Purging/ Contaminated Area” 

• Barricade the Area as advised by Asset Custodian or Operations

GAS TESTING OF CONFINED SPACE

• Issuing Authority shall determine and record the gases to be measured, frequency of  gas test and need for continuous monitoring. Minimum requirement shall be O2 %, LEL % and H2S ppm. 

• Authorized gas testers shall carry out the gas test and he shall ensure that his card is valid and meter is in good condition. 

• Ventilation (blowers) shall be stopped (approx. 15 minutes in advance) prior to carryout gas test for the confined space. Initially gas test shall be carried out using a long probe. 

• Test result shall be entered in the entry authorization and associated work permit.

• The tester shall carry an escape set while testing outside the manway, if toxic gases / vapors are suspected. 

GAS TESTING FOR LARGE OR COMPLEX CONFINED SPACE 

The operation Controller/Controller 1 shall issue a Confined Space Entry Authorization to the authorized gas tester who will sign as executing authority, ticking pre-entry gas test and keeping 4 ( A) section blank. In such cases 

“Authorized gas tester card” shall be considered equivalent to “Executing Authority Card” and atmosphere shall be considered as IDLH , so precaution described for IDLH condition shall be taken.

 Executing authority shall witness or satisfy himself, the actual gas test has been done before accepting the permit. 

 At least 13 % O2 is required to obtain an accurate LEL reading. Hence a proper reading can not be taken in such atmosphere line vessel purged with steam. Hence LEL & O2 shall be measured simultaneously. 

 Gas meters used for leaded gasoline shall be equipped with sp. Filter to prevent damage to the sensor by lead. 

 Moisture/ dust filter and / or liquid trap is required when the probe is likely to come in contact with excessive moisture/ dust and liquid.

ENTRY TO A LIVE FLOATING ROOF

• A Floating roof of tank is considered hazardous confined space when the roof is 3 meter below the top of the tank shell. 

• Entry is required for Inspection or maintenance

• Check the thickness of the roof by using Crane with Man basket 

• Operations or any other shall not enter alone to a floating roof. 

• Attendant shall remain at top with a radio and SCBA and shall communicate with entrant by voice or radio. 

• Gas meter or personal gas monitor with 10 % LEL alarm shall always be available with the entrants and they will come out on alarm. Entrants shall carry Personal H2S monitor.

• Entrant shall be equipped with SCBA on their back and ready to wear, if LEL exceeds 10 %. Airline mask breathing apparatus with escape cylinder can also be used but users and attendant shall ensure hoses are not subjected to damage. 

• Continuously monitor %LEL, while working 

• Tank shall not receive or discharge product during entry period.

RESCUE & EMERGENCY SERVICES

• For requesting the services of rescue team & other detailed information, the doc. # HSE-TSFP-11-1213, ‘Rescue Service Management’ shall be followed. 

• Issuer shall indicate the requirement of rescue preplan on the permit. Executor should display Rescue preplan copy secured near manway. 

• EDC telephone no shall be posted at the nearest telephone and MSDS or similar written information shall be kept at worksite.

RETRIEVAL SYSTEMS

• Each authorized entrant shall use a chest or full body harness, with a retrieval line attached at the centre of the entrant's back near shoulder level, or at another point, which enable the successful removal of the entrant. 

• The other end of the retrieval line shall be attached to a mechanical (hoisting) device or fixed anchor point outside the confined space to enable fast rescue. A mechanical device should be available to retrieve personnel from vertical type confined spaces more than 5 feet (1.52 m) deep. 

• As an alternative, rope grip, pulley, stretcher and ladders also should be available 

• A means of lowering the injured person to grade should be readily available (ex. elevator, crane with basket).

Procedure for reclassification: Confined Spaces Not Requiring Entry Authorizations (CSNREA):

• Entry into all confined spaces entry shall be permitted only with the confined space entry authorization, unless the space is reclassified as ‘confined Space Not Requiring Entry Authorization ’. 

• In some cases, the hazards associated with working in a confined space are fully defined, less severe and have already been protected against (e.g. storage tanks under continued maintenance work, Large wide open excavations without imminent hazards…. etc). For such cases, the work with a control system under other permit without entry authorization may be approved. 

• Work Permit Risk Assessment (WPRA) Team headed by Operation TL (PD, TL in case of PD fenced area) shall approve “CSNREA” after carrying out WPRA.

EXCAVATION  AUTHORIZATION 

• An excavation authorization is required for all excavations. 

• In addition to an Excavation Authorization a Cold( if non-sparking hand tools are used) / Hot work Permit (if power tools or mechanical equipment is used)  is required to work. 

• For excavations more than 1.2 meter deep Confined Space Entry Authorization  is required. Gas tests shall be done as per entry permit requirements. 

• Copy of the authorization shall be attached to the work permit and associated Excavation no. to be filled.

WAIVER :

 In emergency situations(e.g., rupture of a pipeline) an excavation may be required beyond normal working hours or on week ends/holidays. 

 In such cases Shift Leader can waive the requirement for obtaining Excavation Authorization for carrying out such job with cold work permit. 

 “Waived” shall be mentioned in Associated Excav. No.. He shall inform the concerned Operations Team Leader and Organization Safety . 

 Shift leader shall countersign the relevant permits. 

 No mechanical excavations are permitted in such cases except for removal of concrete or Asphalt.

SUSPENSION OF WORK PERMIT

• In case of an emergency , work shall be suspended and validity of any work permit ceases in the affected area. 

• All work shall immediately stop when a fire or emergency alarm is sounded or accident of any kind occurs.  Approval from the Incident Commander (definition as per ERP) shall be obtained after necessary preliminary investigations, to resume such work.  

• The Work Permit shall be re-validated to resume the work.

• Issuer , his deputy or Organization Safety is authorized to suspend work and withdraw the Work Permit if, safety regulations are violated and/or if the site conditions have changed leading to hazardous situation. 

• If work is not started or is suspended for safety reason after Work permit has been issued, the work shall only be started or resumed after establishing safe conditions and renewal of work permit.

SAFETY FUNCTION

• Safety is an advisory and monitoring function. 

• Safety Engineers shall audit the work permit filling and compliance on a daily basis. 

• Safety Engineers shall write their site observations in the Electronic Safety Advice Book at their office with date, time and send to concern unit/Area custodian