ML19319C872
| ML19319C872 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 11/29/1977 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML19319C861 | List: |
| References | |
| NUDOCS 8003040830 | |
| Download: ML19319C872 (2) | |
Text
-
- ~ e,
U Staff Position Minimum Fire Origade Shift Size INTRODUCTlud Nuclear power plants depend on the response of an onsite fire brigade for d..fense against the effects of fire on plant safe shutdown capabilities.
In some areas, actions by the fire brigade are the
,only acans of fire suppression.
In other areas, that are orotected by correctly designed automatic detection and suppression systems, (1) fires too manual fire fighting efforts are used to extinguish:
small to actuate the automat:c Iystem; (2) well developed fires if the autenatic system fails to function; and (3) fires that are not completely controlled by the automatic system.
Thus, an adequate fire brigade is essential to fulfill the defense in depth requirements which protect safe shutdown systems from the effects of fires and their related combuntion by-products.
DISCU?St,0N There are a number of factors that should be considered in establishing the minimum fire brigade shift size.
They include:
- 1) plant gecmetry and size;
- 2) quantity and quality of detection and suppression systems;
- 3) fire fighting strategics for postulated fires;
- 4) fire brigade training;
- 5) fire brigade equipment; and
- 6) fire brigade supplements by plant personnel and local fire department (s).
In all plants, the majority of postulated fires are in enclosed window-In such areas, the working environment of the brigace less structures.
created by the heat and smcke buildup within the enclosure, will require the use of self-contained breathing apparatus, socke ventilation equipment, and a personnel replacement capability.
Certain functions must be performed for all fires, i.e., comand brigade actions, infonu plant management, fire suppressien, ventilation control, Until a site provide extra equipment, and account for possible injuries.
specific review can be completed, an interim minimum fire brigade size of five persons has been established. This brigade size should provide a minimum working number of personnel to deal with those postulated fires in a typical presently operating comercial nuclear power station.
800304g 9
m
. If the brigade is composed of a smaller number of personnel, the fire attcck may be stopped whenever new equipment is needed or a person is injured or fatigued, h*e note that in the career fire service, the airiimun engine company manning considered to be effective for an initial attack on a fire is also five, including one officer and four team members.
It is assumed for the purposes of this position that brigade-training and equipment is adequate and that a backup capability of trained individuals exist whether through plant personnel call back or from the local fire department.
POSITIOU l.
The minimum fire brigade shift size should be justified by an analysis of the plant specific factors stated above for the plant, after modifications are complete.
2.
In the interim, the minimum fire brigade shift size shall be five persons.
These persons shall be fully qualified to perform their assigned responsibility, and shall include:
One Suoervisor - This individual ust have fire tactics traininn, lie will assume all command responaibilities for fighting the fire.
During plant emergencies, the brigade supervisor should not have other responsibilities that would detract from his full attention being devoted to the fire.
This supervisor should not be actively engaged in the fighting of the fire.
iiis total function should be to survey the fire area, ccmmand the brigade, av 1 keep the upper levels of plant management informed.
lwo llose Men - A 1.5 inch fire hose being handled within a windex-less enclosure would require two trained individuals.
The two team members are required to physically handle the active hose line and to protect each other while in the adverse environment of tne fi re.
Two Additional Team Jtembers - One of these individuals would be required to supply filled air cylinders to the fire fighting members of the. brigade and the second to establish. smoke vencilation i
and aid in filling the air cylinder.
These two individuals would also act as the first backup to the engaged team.
d