Changes

*Confirm the limit of excavation.

*Confirm the limit of excavation.

*Use of excavation equipment specified in the contract, in the required manner (from the outside in, with a mini excavator, etc.).

*Use of excavation equipment specified in the contract, in the required manner (from the outside in, with a mini excavator, etc.).

*Confirm excavated rough grade and final grade prior to backfilling using survey equipment

*Confirm excavated rough grade and final grade prior to backfilling using survey equipment.

*Use of toothed bucket and scouring the bottom of practice if applicable

*Use of toothed bucket and scouring the bottom of practice if applicable.

*If appropriate, measure compaction using a cone penetration test or a cone penetrometer  

*If appropriate, measure compaction using a cone penetration test or a cone penetrometer .

*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.

==Final excavated grade and verification==

==Final excavated grade and verification==