1 entrant & 2 would-be rescuers die in H2S atmosphere @ WWTP (Construction Permit-Required Confined Space)

19261203 A  Before it begins work at a worksite, each employer must

ensure that a competent person identifies all confined spaces in which

one or more of the employees it directs may work, and identifies each

space that is a permit space, through consideration and evaluation of

the elements of that space, including testing as necessary.

19261204 B  Identify and evaluate the hazards of permit spaces before

employees enter them;

19261203 E02 II When entrance covers are removed, the opening must

be immediately guarded by a railing, temporary cover, or other temporary

the barrier that will prevent an accidental fall through the opening and that

will protect each employee working in the space from foreign objects

entering the space.

19261203 E02 III  Before an employee enters the space, the internal

atmosphere must be tested, with a calibrated direct-reading instrument,

for oxygen content, for flammable gases and vapors, and for potential

toxic air contaminants, in that order. Any employee who enters the space,

or that employee’s authorized representative must be provided an

opportunity to observe the pre-entry testing required by this paragraph.

19261204 C04 Purging, inerting, flushing, or ventilating the permit space

as necessary to eliminate or control atmospheric hazards;

19261204 D08  Rescue and emergency equipment needed to comply with

paragraph (i) of this section, except to the extent that the equipment is

provided by rescue services; and

19261204 I Develop and implement procedures for summoning rescue and

emergency services (including procedures for summoning emergency

assistance in the event of a failed nonentry rescue), for rescuing entrants

from permit spaces, for providing necessary emergency services to rescued

employees, and for preventing unauthorized personnel from attempting a

rescue;

19261205 A Before entry is authorized, each entry employer must

document the completion of measures required by § 1926.1204(c) by

preparing an entry permit.

19261207 A  The employer must provide training to each employee

whose work is regulated by this standard, at no cost to the employee,

and ensure that the employee possesses the understanding, knowledge,

and skills necessary for the safe performance of the duties assigned under

this standard. This training must result in an understanding of the hazards

in the permit space and the methods used to isolate, control or in other

ways to protect employees from these hazards, and for those employees not

authorized to perform entry rescues, in the dangers of attempting such

rescues

19261207 C  The training must establish employee proficiency in the

duties required by this standard and must introduce new or revised

procedures, as necessary, for compliance with this standard.