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

Please note that this checklist is a hypothetical example and provides basic information only. It is not intended to take the place of, among other things, workplace, health and safety advice; medical advice, diagnosis, or treatment; or other applicable laws. You should also seek your own professional advice to determine if the use of such checklist is permissible in your workplace or jurisdiction.