VOLUME 3 – ENCLOSURE 3: QD CRITERIA FOR ACCIDENTAL DETONATIONS 1
VOLUME 3 – ENCLOSURE 3: QD CRITERIA FOR ACCIDENTAL
DETONATIONS
V3.E3.1. HD 1.1
V3.E3.1.1. Permissible Exposures to Airblast Overpressure
V3.E3.1.1.1. 12 psi [82.7 kilopascals (kPa)] at 9W
1/3
where W is weight in pounds (lbs)
[3.57Q
1/3
where
Q is NEQ in kilograms (kg)]. Barricading is required.
V3.E3.1.1.1.1. Buildings that house the following are permitted at this overpressure:
V3.E3.1.1.1.1.1. Successive steps of a single production, renovation, or
maintenance operation.
V3.E3.1.1.1.1.2. A security alert force.
V3.E3.1.1.1.1.3. A tactical missile site, where greater distances from the PES
cannot be provided for technical or tactical reasons.
V3.E3.1.1.1.1.4. Break rooms and change houses that are both part of an
operating line and used exclusively by personnel operating the line. An exception is when the
break room is integral to the PES and used only by personnel from that PES. For this situation,
no QD applies.
V3.E3.1.1.1.1.5. Dunnage preparation or similar non-AE operations, if used only
by personnel employed at the PES.
V3.E3.1.1.1.1.6. Temporary holding areas for AE conveyances servicing
production or maintenance facilities.
V3.E3.1.1.1.1.7. AE-related operations in magazine areas, when performing
minor maintenance, preservation, packaging, or surveillance inspection.
V3.E3.1.1.1.1.8. Barricaded service magazines that are part of an operating line.
Separation distances are based on the NEWQD and the HD of the AE in the magazine and not
that in other parts of the operating line.
V3.E3.1.1.1.2. Exceptions include:
V3.E3.1.1.1.2.1. Unmanned auxiliary utility facilities (e.g., transformer stations,
water treatment and pollution abatement facilities) that serve, but are not an integral function in,
the PES and would not create an immediate secondary hazard if lost. Such unmanned facilities
need not be barricaded. Paragraph V4.E5.2.2. addresses situations where auxiliary facilities
