Other Requirements - std30240028

DOE-STD-3024-98

is expected by the contractor,

3.5.2 Special Installation Requirements

they become requirements on

the system and hence they need

This subsection shall identify any requirements (and

to be included in this section.

their bases) that may exist related to special

arrangements, locations, or installation of

Note: In some cases, an industry code

components of the system being described. These

or standard may mandate certain

might include alignments, shock mounting, lengths

inservice inspection (ISI) or testing

of electrical signal cable, special routing

(IST) activities. In many cases, the

requirements for pump Net Positive Suction Head

manufacturer recommends certain

considerations, physical separation between

checks, tests, and calibrations that

redundant equipment, location requirements to

need to be adhered to (unless a local

minimize equipment interferences, and "free space"

engineering analysis establishes a basis

requirements for maintenance access.

for alternate activities or a modified

Note: Some installation requirements

schedule for those activities).

may be specified in the vendor's or

manufacturer's technical information

3.4.4 Maintenance

that comes with the equipment. For

example, some equipment may be

This subsection shall identify maintenance activities

required to be wall mounted, instead of

required to comply with the manufacturer's

floor mounted, or to be oriented in a

recommendations or otherwise required to ensure

particular direction, or to maintain a

continued reliability. An example is a requirement

minimum bend radius for

to periodically replace specified components such as

interconnecting equipment, or locating

seals or replace lubricants that degrade over time or

certain types of components in a fluid

to replace certain parts that wear out-of-tolerances

system (liquid or air) a minimum

after a number of cycles or operations, in order to

distance from a bend or other flow-

prevent a failure.

perturbing component.

3.5.3 Reliability, Availability, and Preferred

3.5 Other Requirements

Failure Modes

3.5.1 Security and SNM Protection

This subsection shall identify requirements (and

their bases) for design provisions that will ensure the

This subsection shall identify those requirements

system will perform its function(s) by improving

(and their bases) that might exist related to general

system availability, improving reliability by

security of the facility or to the need to protect

minimizing ways in which it can fail, or minimizing

special nuclear materials (SNM).

These

the impact of failures. Such provisions might

requirements may impact the design of certain

include equipment redundancy, diversity, physical

systems. For example, the design of a vault to store

separation, electrical isolation, features that provide

special materials may be required to include features

mechanisms for on-line testing, features that avoid

such as combination locks, weight, size, and seismic

frequent use of temporary configurations (such as

capability in order to protect the contents of the

lifted leads or jumpers) for testing and maintenance,

vault from certain postulated situations.

automatic fault detection capability, and preferred

failure modes ("fail-safe" states).

When security or SNM protection requirements

apply to a system, their existence shall be identified

3.5.4 Quality Assurance

in the SDD and appropriate references provided for

the documents that explain those requirements,

This section of the SDD shall identify the general

subject to the restrictions of classified documents.

category of Quality Assurance (QA) to be applied to

Page 14