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Federal Highway Administration
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Washington, DC 20590
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Bridges & Structures

 

Manual for Abandoned Underground Mine Inventory and Risk Assessment
Figure 5.3: Site Monitoring Guidelines For The High Rating Group Different Stages of Site Monitoring

Forms of Monitoring Different Stages of Site Monitoring
Before Priority Site Investigations After Priority Site Investigations
Remediation Deferred During Construction Document Development During Remediation Construction Post Remediation Construction
I. Visual
   Driving M   M M M
   On the Ground: Particular Features M M M M M
   On the Ground: Ground Photography S S S M S
II. Non - Intrusive
   Profilometer M M M S,T M
   Dynaflect          
   FWD M M S S,T M
   HWD          
   Ground Survey Techniques M S S S M
   Aerial Photography: Conventional
   (B/W & Color)
S       M
   Aerial Photography: Infrared (B/W & Color) S       M
   Surface GPR S        
   Other **          
III. Intrusive (Borings Required)
   Borehole GPR       S  
   TDR S M S S M
   Slope Inclinometer          
   Borehole Seismic          
   Borehole Camera S   S S  
   Piezometers S S S S S
   Observation wells S S S S S

Notes:

"M" indicates a general monitoring guideline for the site group
"T" indicates where traffic is maintained during construction
"S" indicates determined on a site specific basis
** Other forms of monitoring may be specified on a site-by-site basis as needed.
See Table 5.2 for Listing of "Other forms of Monitoring."

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Updated: 06/27/2017
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000