Changes

#Check grades with appropriate equipment (transit levels, etc.).

#Check grades with appropriate equipment (transit levels, etc.).

#Stockpile materials in a designated area if it must be stored before hauling.

#Stockpile materials in a designated area if it must be stored before hauling.

#When backfill materials are ready, excavate remaining 100 mm to final grade and scouring bottom if applicable using toothed bucket.  

   

'''Key inspection points:'''

'''Key inspection points:'''

*Confirm the limit of excavation.

*Confirm the limit of excavation.

*If appropriate, field verify infiltration rates at excavated bottom of practice using Guelph permeameter or double ring infiltrometer

*If appropriate, field verify infiltration rates at excavated bottom of practice using Guelph permeameter or double ring infiltrometer

'''Mistakes to avoid:'''

'''Mistakes to avoid:'''

*Making too many passes with heavy machinery within the LID footprint.

*making too many passes with heavy machinery within the LID footprint.

*Leaving heavy machinery within the LID’s footprint (for breaks, lunch, overnight, etc.)

*leaving heavy machinery within the LID’s footprint (for breaks, lunch, overnight, etc.)

*Using the wrong equipment

*using the wrong equipment

*Over excavating

*over excavating

*Smearing the bottom of the practice with the bucket, which can compact native soils

*smearing the bottom of the practice with the bucket, which can compact native soils