Changes

*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 a toothed excavator bucket to rake the bottom of infiltration practices and reduce soil smearing where applicable (does not apply to load bearing practices like permeable pavements or stormwater tree trenches).

*Use of a toothed excavator bucket to rake the bottom of infiltration practices to reduce soil compaction and smearing where applicable (e.g., does not apply to load bearing practices like infiltration trenches, permeable pavements or stormwater tree trenches).

*If appropriate, measure compaction using a soil 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]].