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→Excavation and rough grade
*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 to roughen the bottom of infiltration practices and reduce soil smearing where applicable (does not apply to load bearing practices like pavements).
*If appropriate, measure compaction using a cone penetration test or a cone penetrometer .
*If appropriate, measure compaction using a soil cone penetrometer.
*If appropriate, field verify infiltration rates at excavated bottom of practice using [[Permeameters|Guelph permeameter]] or [[double ring infiltrometer]].
*If appropriate, field verify infiltration rates at excavated bottom of practice using [[Permeameters|Guelph permeameter]] or [[double ring infiltrometer]].