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1.16.3
Hazardous Atmospheres
1.16.4
Emergency Rescue Equipment
1.16.5
Nighttime Work
1.16.6
Equipment

Page Text

H. Warning signs shall be placed around the work area and at all approaches
to the job site.

I. Documented safety meetings with the work force shall be conducted each
morning to advise them of potential hazards as the work progresses.

1.16.3 Hazardous Atmospheres

A. No hot work shall be performed if the lower explosive limit (LEL) is above
0%.

B. Welding of pipe joints shall comply with Chapter II-10, Cutting, Welding
and Brazing.

C. Coating of pipe joints shall comply with Chapter II-9, Painting and
Coating.

1.16.4 Emergency Rescue Equipment

A. Rescue equipment, including full-body harness with lifeline and a basket
stretcher, shall be readily available and attended by a standby man outside
the pit.

B. Fire extinguishers shall be placed at strategic points.

C. A safe means of access and egress shall be provided and maintained.

1.16.5 Nighttime Work

Adequate lighting in, around and at all approaches to the job site shall be
provided for nighttime work.

1.16.6 Equipment

A. Cranes, sidebooms and other elevating/lifting equipment shall be SA
certified.

B. Heavy equipment operators shall be SA certified.

C. Microtunnel launching and reception pits shall be large enough to
accommodate a full pipe joint.

D. A concrete base shall be constructed to support hydraulic jacking
equipment.

G. Rear walls shall be reinforced with a thrust plate designed to bear the thrust
forces generated by the jacking operation.

H. Where necessary, a dewatering system shall be installed.

I. Bentonite slurry storage tank areas shall be barricaded to contain spillage.