Spire Vehicle Policy 1001
Excavation MC1.8.3
Hazardous Atmospheres
Standard Operating Procedure (SOP) 220.L.3
MC7.2.1 - Gas Leak Repair Priorities
100

These two safety requirements from the Vehicle Safety Procedure must be followed when parking or starting a vehicle.

What are circle of safety inspections and using safety cones?

100

This is the minimum distance that the spoil bank must be kept back from the edge of an opening.

What is 2 feet?

100

According to SOP 220.L.3, this specific gas concentration level in an excavation is considered a hazardous atmosphere.

What is 80 percent of the lower explosive limit (or 4 percent gas)?

100

To ensure accountability, any downgrade of a leak's classification must be approved and documented with the name of this person.

Who is a Supervisor?

200

To ensure proper tracking, employees must assign themselves to their vehicle using these two digital tools every time they drive.  

What are GPS/Camera apps or the GPS portal?

200

In trenches 4 feet or deeper, an exit like a ladder must be placed so workers never have to travel more than this distance laterally.

What is 25 feet?

200

When gas levels in a structure reach 20% L.E.L., employees must immediately instruct occupants to leave and avoid doing these three things.

What are smoke, operate light switches, or use the telephone?

200

Any reading of 80% LEL or higher in small substructures like sewers or water meter boxes automatically triggers this hazardous leak grade.

What is Grade 1?

300

Per the Spire Tobacco Policy, the use of these two types of products is strictly prohibited inside any Company Vehicle.

What are tobacco and vapor devices?

300

This specific individual is responsible for determining the protective system used and must inspect shoring systems daily or after a rainstorm.

Who is the "Competent Person"?

300

For a confined space, a hazardous atmosphere is defined as gas at 10% L.E.L. or an oxygen concentration below this percentage.

What is 19.5 percent?

300

A Grade 2 leak is non-hazardous at detection but must be repaired within one calendar year, not to exceed this many months

What is 15 months?

400

It is the employee's responsibility to ensure they have this item in their company vehicle to provide in case of an accident. 

What is the insurance card?

400

These four variables—soil structure, weather, loads, and vibrations—are used to determine if this safety measure is needed for excavations under 5 feet.

What is sloping, supporting, or shoring?

400

Employees responding to emergencies must keep this laminated item in a readily available location for reference.

What is a checklist card of key action items?

400

A Grade 3 leak, which is expected to remain non-hazardous, must be reevaluated or repaired at least once during this many months.

What is 12 months?

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