25.21. Civil Engineering Checklist.

  • 25.21.1. Are lines completely drained of existing air prior to opening compressed air lines and are
    new lines completely secured prior to air entry into the system? Reference 25.6.5

  • 25.21.2. Are the front bucket (if so equipped) and outriggers of a backhoe in fully-down positions
    before digging is attempted? Reference 25.12.1

  • 25.21.3. Is the entire area where the backhoe digging arm may swing cleared of personnel?
    Reference 25.12.1

  • 25.21.4. Is backhoe operation under energized lines permitted only when absolutely necessary and
    are these operations approved by the commander? Reference 25.12.1

  • 25.21.5. During travel to and from worksites, is the backhoe completely folded, secured and
    centered? Reference 25.12.1)

  • 25.21.6. During mobile crane operation, is a person appointed to provide signals to the operator?

  • 25.21.7. Before leaving a crane unattended, are all shutdown procedures performed? Reference

  • 25.21.8. Are crane load weights determined before lifting? Reference

  • 25.21.9. Are crane outriggers, when required, set before lifting, telescoping the boom or turning a
    load within the ratings? Reference

  • 25.21.10. Are loads transported on cranes specifically designed for this purpose? Reference

  • 25.21.11. Are crane outriggers used, regardless of the load, when the ground is soft or otherwise
    unstable? Reference

  • 25.21.12. When two or more cranes are used to lift one load, is one person designated as the
    responsible individual? Reference

  • 25.21.13. Are normal routes for assigned cranes designated and approved by safety? Reference

  • 25.21.14. Are required safety measures such as securing the empty hook, attaching warning flags (as
    necessary), etc., taken before the crane is moved to a new job site? Reference

  • 25.21.15. Are all parts of the crane and load restricted within 10 feet of an energized power line? If
    this is not practical, is the line de-energized and visibly grounded? Reference

  • 25.21.16. Are additional clearances assured for work near lines greater than 50 kV and are they
    listed on AF Form 103, Base Civil Engineering Work Clearance Request? Reference

  • 25.21.17. Is a permanent sign posted within the crane cab warning of electrical power line dangers
    and restrictions? Reference

  • 25.21.18. Is an approved fire extinguisher kept in the crane cab? Reference

  • 25.21.19. Are dump trucks operated within the load capabilities established by the manufacturer and
    consideration given to the specified weights of the material being carried? Reference 25.12.3

  • 25.21.20. If dump truck loads pose a flying debris hazard is the load covered with a tarp or similar
    covering? Reference 25.12.3

  • 25.21.21. Before dumping the vehicle‘s load, do operators check overhead clearance both directly
    over the vehicle and ahead of it in the direction to be traveled while the body is still raised?
    Reference 25.12.3

  • 25.21.22. Are sweepers operated on airfields in direct contact with control tower or escorted by a
    vehicle that is? Reference 25.12.7

  • 25.21.23. Is a good water supply maintained during concrete saw operations? Reference 25.12.9

  • 25.21.24. Are proper lifting techniques used during pavement breaker (jackhammer) operation and
    transport? Reference 25.12.10

  • 25.21.25. Are concrete mixers supported in stable positions prior to operation? Reference 25.12.12

  • 25.21.26. Are kettles operated only if FES Flight approval has been obtained? Reference

  • 25.21.27. Is an appropriate fire extinguisher available near the kettle? Reference

  • 25.21.28. Are kettles watched closely to ensure the safe heating temperature specified by the product
    manufacturer is maintained during heating? Reference

  • 25.21.29. Is material eased into the kettle to prevent splashing? Reference

  • 25.21.30. Are open flames or other sources of ignition not permitted near material heated to its flash
    point? Reference

  • 25.21.31. Are air supply lines marked or tagged to identify the maximum psi on the lines? Reference

  • 25.21.32. Are woodworking machines shut down, locked out and tagged during maintenance?

  • 25.21.33. When machine guards are removed for authorized maintenance, is the machine locked out
    and tagged? Reference

  • 25.21.34. Are industrial ventilation systems installed where machines that develop fine dust or other
    airborne contaminants are used? Reference

  • 25.21.35. Do industrial ventilation systems exhaust to an enclosed collection container? Reference

  • 25.21.36. When lumber is stored in tiers, is it stacked, blocked and interlocked? Reference

  • 25.21.37. When stock cannot be safely handled by hand, is suitable mechanical handling equipment
    available and used? Reference

  • 25.21.38. Are roofing materials segregated and stored in stable stacks that are safe from falling?

  • 25.21.39. Do workers take appropriate fall prevention measures, as required? Reference

  • 25.21.40. Are tar kettles and pots located so they will not pose a fire hazard during roofing
    operations? Reference

  • 25.21.41. Are workers aware of potential hazards associated with use of Portland Cement?
    (Reference 492 AFI91-203 15 JUNE 2012

  • 25.21.42. Are gears, pulleys, chains or belts on power mixers adequately guarded? Reference

  • 25.21.43. Is the power source for electrically operated mixers grounded? Reference

  • 25.21.44. Are locations of underground utilities identified prior to any excavations? Reference

  • 25.21.45. Are operators trained and familiar with operating instructions of torches and furnaces
    before being permitted to use them? Reference

  • 25.21.46. Are torches and furnaces restricted from use where flammable or explosive environments
    may be present? Reference

  • 25.21.47. Is the use of gasoline torches and furnaces prohibited in small, unventilated spaces?

  • 25.21.48. Are appropriate fire extinguishers available as required during torch and furnace
    operations? Reference

  • 25.21.49. Are electric soldering irons grounded unless double insulated? Reference

  • 25.21.50. Are soldering irons placed in suitable non-combustible receptacles when not in use?

  • 25.21.51. Are industrial waste manholes treated as confined spaces and appropriate safety measures
    taken prior to entry? Reference 25.15.5

  • 25.21.52. Are proper pry bar tools, special lifting tools, and additional help used when lifting
    manhole covers as necessary? Reference

  • 25.21.53. Are tools used to repair leaks or perform maintenance on gas lines spark-free and is
    clothing static-free? Reference 25.15.7

  • 25.21.54. Are atmospheric conditions tested prior to entry into tunnels, pits and sumps? Reference

  • 25.21.55. Are tunnels, pits, and sumps (which are known to be contaminated) tagged or identified
    for information of work crews? Reference

  • 25.21.56. Is a second person available to provide emergency assistance (without entry) for persons
    entering a confined space manhole or vault? Reference

  • 25.21.57. Is all gas piping guarded or shielded to protect workers from accidental contact? Reference

  • 25.21.58. Are all equipment room belts, pulleys and rotating shafts adequately guarded? Reference

  • 25.21.59. Are compressed gas cylinders adequately stored and handled? Reference 25.16.3

  • 25.21.60. Are written operating procedures and detailed checklists for operator guidance posted in
    all equipment rooms with boilers? Reference 25.17.1

  • 25.21.61. Are purge procedures with necessary interlocks developed for normal boiler start-up and
    on-line operations? Reference

  • 25.21.62. Is water in boilers maintained at proper levels and checked as required? Reference

  • 25.21.63. Are water columns monitored to ensure connections are clear and water returns to proper
    levels when drain valves are closed? Reference

  • 25.21.64. Are appropriate actions taken when water is not visible in the gauge glass? Reference

  • 25.21.65. Are furnace boilers and breaching ventilated prior to lighting? Reference

  • 25.21.66. Are boilers, flame safeguard supervisory systems and other safety controls inspected
    during scheduled shutdowns (at least annually) by authorized inspectors? Reference

  • 25.21.67. Are all 4-inch and larger steam valves or main steam valves operated only by authorized
    personnel? Reference

  • 25.21.68. Are high-pressure steam valves in enclosed areas or confined spaces prevented from
    releasing steam through the use of a double block and bleed or similar system? Reference

  • 25.21.69. Are drain valves opened and water removed from steam lines prior to opening highpressure
    steam valves? Reference

  • 25.21.70. Is pressure relieved through all possible means prior to dismantling a valve? Reference

  • 25.21.71. Are all vaults, manholes, and tanks considered confined spaces and proper precautions
    taken, e.g., atmospheric testing, use of respirators, etc., prior to entry or otherwise proven not
    hazardous? Reference

  • 25.21.72. Are all boilers equipped with steam and water gauges, gauge cocks, safety and blowoff
    valves and low water cutoff devices? Reference

  • 25.21.73. Are boiler feedlines equipped with check and cutoff valves? Reference

  • 25.21.74. Are water gauge glasses located less than 15 feet from the floor or tender's platform
    carefully guarded? Reference

  • 25.21.75. Are pressure gauges inspected and tested every 12 months? Reference

  • 25.21.76. Are safety valves for boilers tested at the frequencies and by the methods prescribed in the
    National Board Inspection Code? Reference

  • 25.21.77. Are safety and blowoff valve discharge pipes located where discharge will not create a
    hazard? Reference

  • 25.21.78. Are discharge lines from hot water heater relief valves arranged with the outlet within six
    (6) inches of the floor, and not threaded, capped or plugged? Reference 494

  • 25.21.79. Are boilers operated at pressures within manufacturer‘s stamped instructions or at
    pressures determined by the most recent boiler inspection, whichever is lower? Reference

  • 25.21.80. Are hoistways, machinery, conveyors, gears, ash sluices, and reciprocating pumps
    properly guarded? Reference

  • 25.21.81. Are all boiler furnaces operating at 30,000,000 BTU per hour or more staffed at all times?

  • 25.21.82. Are all eyewash units and emergency showers operable and inspected? Reference

  • 25.21.83. Are all chemicals stored properly? Reference –

  • 25.21.84. Are railroad coal cars posted with signs as required? Reference

  • 25.21.85. Is there a qualified brakeman, other than coal-handling personnel, working with the crane
    or switch engine? Reference

  • 25.21.86. Are safety precautions established and followed whenever coal storage facilities are
    entered? Reference

  • 25.21.87. Are relief valves installed after pumps on fuel pumping lines? Reference

  • 25.21.88. Are required procedures and methods used in all areas addressed in this chapter when
    entering system components that can be classified as confined spaces? Reference 25.18.1

  • 25.21.89. Are chemical treatment rooms that are identified as potential IDLH areas equipped with a
    telephone located outside the IDLH area, or are other means of communication used? Reference

  • 25.21.90. Are mechanical exhaust systems in chemical treatment rooms turned on prior to entry?

  • 25.21.91. At shredding and grinding stations, is power turned off and locked out before servicing?

  • 25.21.92. Are guards and screens in place at shredding and grinding stations? Reference

  • 25.21.93. Are approved life vests and lifelines located around sedimentation basins? Reference

  • 25.21.94. Are guards provided around moving parts of clarifiers? Reference

  • 25.21.95. Are guardrails in place for work areas and walkways around aeration tanks? Reference

  • 25.21.96. Are approved life vests with lifelines located at appropriate points around aerator rails?

  • 25.21.97. Are life vests available and worn when working in a boat or raft on stabilization ponds?

  • 25.21.98. Are laboratories clean and chemicals stored properly? Reference

  • 25.21.99. Is all electrical equipment properly grounded in laboratories? Reference

  • 25.21.100. Is good housekeeping maintained in all AAS operations and maintenance areas?

  • 25.21.101. Are flammable and combustible liquids stored, used and handled IAW Chapter 22,
    Flammables and Combustibles? Reference

  • 25.21.102. When using compressed air for cleaning is air pressure less than 30 psi and is required
    PPE used? Reference

  • 25.21.103. When working on active runways, is continuous communication maintained with the
    tower and operations? Reference

  • 25.21.104. Are facilities housing the AAS evacuated to proper distances prior to aircraft
    engagement? Reference

  • 25.21.105. Are the minimum number of operators available IAW applicable TOs? Reference

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