GEOTECHNICAL OBSERVATION & VERIFICATION

Corporate Headquarters

18001 W. 106th St.

Suite 300

Olathe, Kansas 66061

Phone: (913) 599 6886

Fax: (913) 599 0574

Terracon.com

Presented by:Michael Stojanoff, PG, CEG, PE, GE

Corporate Headquarters

18001 W. 106th St.

Suite 300

Olathe, Kansas 66061

Phone: (913) 599 6886

Fax: (913) 599 0574

Terracon.com

STEPS1. Grading Plan Check & Review

2. In-Progress Grading Inspections3. Closing Out Grading Permit

Verification of Land Use Mandates

� Geohazards

� Special geotechnical consideration areas

� Building official / planning department

Review of consultant geotechnical investigative report

� Building official

� May include 3rd party review by independent geotechnical consultant

1. Grading Plan Check & Review

Checking site plans satisfy recommendations in consultant geotechnical investigative report

� Correction and rechecking as necessary

� Building official

� Geotechnical consultant

1. Grading Plan Check & Review

Pre-inspection of site

� Verify grading plans properly reflect site topographic conditions

� Verify building plans will fit within site design

� Grading contractor

� May also include owner

� May also include civil & geotechnical consultants

1. Grading Plan Check & Review

Pre-grading meeting

� Scope of earthwork� Total cubic yards of fill

� Daily cubic yards of fill to be placed

� Borrow sources

� Type and size of equipment

� Minimum grading staff & site inspections

� Inspection stage approvals� Rough-grade stage

� Finish-grade stage

� Professional review & stage approvals� Pad certification

� Final grading report

1. Grading Plan Check & Review

Pre-grading meeting

� Special problems� Brush, tree, or rock removal

� Disposal methods

� Benching requirements

� Buttress or stabilization fills

� Subdrain locations

� Grading contractor

� Geotechnical consultant

� May include owner

� May include building official

1. Grading Plan Check & Review

Brush removal / stripping Toe of fill key / sidewall benching / permanent slopes

2. In-Progress Grading Inspection

Excavation / over-excavation

Compaction / density tests� Nuclear gauge

� Sand cone

Seeps / subdrains

Grading contractor

Geotechnical consultant

In-Grading Professional Reports / Interim Approvals

Discovery of previously unknown adverse geotechnical conditions

2. In-Progress Grading Inspection

� Pad certification

� Removal of adverse geotechnical condition & approval to continue grading

� Man-made uncontrolled fill

� Fissures

� Faults

� Landslides

� Seeps

Change of geotechnical consultant during grading

� Temporary stoppage of grading activities

� Partial report by consultant leaving project

� Statement of review and acceptance of inspection partial report by incoming consultant

2. In-Progress Grading Inspection

Rough-grade stage Final-grade stage

3. Closing Out Grading Permit

� All final geotechnical reports & approvals� Final grading report

� Grading contractor

� Geotechnical consultant

� Building official

� Final grade and drainage compliance by civil engineer and land surveyor

� Utility trench backfill compaction reports

� Restoration of grade, berms, and drainage devices damaged during construction

� Landscaping / vegetating slopes

� Certificate of occupancy

Comments, Concerns, Questions