502
edits
Changes
Jump to navigation
Jump to search
Line 51:
Line 51:
→Excavation and rough grade
*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==