MIL-HDBK-1003/6
i) Breeching shall have a minimum clear distance beyond the last
present and future convection row of 2 ft - 6 in. (0.762 m) for access and
flue gas distribution.
Structural steel shall be provided to adequately support all
mechanical piping and electrical conduit. Provision shall be made to
accommodate expansion, contraction and drainage requirements of the pipe.
10.12
Safety Protection
OSHA Requirements. All Federal installations must comply with 29
10.12.1
CFR 1910, Chapter XVII, Occupational Safety and Health Act of 1970. Safety
requirements including those not covered under this law, should be the latest,
most stringent standards and practices followed by industrial organizations.
Special attention shall be given to platforms, railings, occupational noise
exposure, means of egress, safety signs, color code and markings, fire
protection, safety relief and control valves.
10.12.2
Personnel Safety
10.12.2.1 Platforms and Stairs. Provide access platforms for operation and
maintenance of all equipment and valves more than 8'-O" above the floor level.
Provide handrails and toe guards on platforms and floor openings. Toe guards
shall be 2 inches high. Stairs shall be provided, where possible, in lieu of
ladders. Landings shall be provided when stair run is in excess of 12 feet
(3.66 m). Platforms and stairs shall be constructed with abrasive treads or
nosing and preferably, closed risers.
10.12.2.2 Exits. Not less than two exits shall be provided from catwalks,
platforms longer than 10 to 15 feet (3.05 to 4.57 m), boiler aisles, floor
levels and the boiler plant. Emergency lighting shall be provided for all
modes of egress.
10.12.2.3 Hoists. Provide hoists and supports for maintenance on pumps, com-
pressors, fans and other heavy equipment. Provide a beam into the plant and
steel above an opening between floors to hoist large equipment to an upper
level.
10.12.2.4 Obstruction to Air Navigation. For data on obstruction to air
navigation refer to MIL-HDBK-1023/1, Airfield Lighting, and NAVAIR 51-50 AAA-
2, General Requirements for Airfield Marking and Lighting.
Fire Protection. See MIL HDBK 1008/A, Fire Protection for
10.13
Facilities Engineering, Design and Construction . The designer shall be
governed by the above Navy criteria. Where Navy criteria does not address a
particular subject, applicable Factory Mutual Engineering Loss Prevention Data
Sheets and National Fire Protection Codes shall be consulted. All questions
concerning fire protection should be directed to the fire protection branch.
The following fire protection items should be considered:
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