
Environmental Remediation Drilling
Safety Guideline
Page 36 of 132
3.6.3 - Considerations for Retail Service Stations and Other Onsite Locations
As there are no lanes marked out for traffic flow through most of these sites, and there are typically
numerous entry points onto them, field personnel are vulnerable to traffic from all sides. In order to
minimize the risk of being struck by a vehicle while performing tasks on site, field personnel may consider
the following guidelines when developing work site traffic control plans:
• Review the site-specific Health and Safety Plan (HASP) for safety and any special traffic control details
for the site you will be working on and the tasks you will be performing.
• Wear the appropriate PPE for the work to be performed as indicated in the HASP.
• Assess the work location for potential traffic exposure. Stay alert at all times since vehicular traffic is
often continuous and uncontrolled on these sites. Evaluate all possible directions from which traffic may
approach including the possibility of vehicles backing up. Never assume any potential pathway to be
safe. Attempt to set up the work area on site with field personnel facing toward the highest potential for
traffic while they work.
• Conduct a site pre-job safety meeting and complete the Daily Site Checklist, if included in the HASP,
and sign-off on both the checklist and the HASP.
• Using the traffic control devices, establish your work zone as per the specifications detailed within the
HASP.
• Perform all work to be completed within the work zone before breaking down the traffic control system.
• Clear the work area and break down the traffic control system.
3.6.4 - Working in or Near Active Roadways
Traffic control in these areas should be managed through development of an appropriate traffic control plan.
A traffic control plan specific to the work site should be developed and included in the HASP, prior to
performing work in these areas. Local and state requirements should also be consulted for possible
permitting or additional traffic control requirements prior to performing any work in these areas.
3.6.5 - Establishing Work Areas Using Monitoring or Barricades
The field supervisor will designate the work zone based on site constraints before drilling begins.
Preferably, the geotechnical workstation should be set up outside of the immediate drilling work area a
distance of at least 1.5 times the mast height away from the drill.
• When possible, an exclusion zone with a radius of at least one mast length shall be created around the
rig. Unauthorized personnel shall be kept clear of this zone.
• Post No Smoking signs around work area
• Establish designated smoking area away from work area
• Monitor air concentrations using direct-reading, real-time instruments such as OVM and colorimetric
detector tubes
• Define and secure all work areas with safety cones, safety tape, construction fence, other barriers, or
signs as appropriate.
3.6.6 - Establishing Site Security
Confirm required security is in place and as dictated by the site or HASP prior to beginning drilling
operations. This may involve security personnel, physical barriers, or both.
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