Natural Investigations Company—Arborist/Rare Plants

ARBORIST SURVEYS

Dr. Graening has been certified as an arborist since 2003 by the International Society of Arboriculture with special emphasis in tree inventory and appraisal, impact analysis, and design of tree mitigation plans.

ISA Arborist Certification # WE-6725A (verify current certification status at http://isa-arbor.com/findArborist/findarborist.aspx)

Member of the Sacramento Tree Foundation

Please note: our company does not perform any tree trimming or other tree care services.

SAMPLE PROJECTS & REPORTS

Tree Survey, Preservation, and Replacement Plan for the Garrett Family Property at 3147 Deer Valley Road, El Dorado County. Rescue, CA. 2009. Inventoried 646 trees, performed oak canopy mapping for El Dorado County ordinances on 84 acre-parcel.

Certified Arborist / Construction Monitoring for Qwest Fiber Optic Burial at 3011 Lafayette Street, Santa Clara. 2009. Prepared for GeoEngineers Inc. and the City of Santa Clara.

Arborist Survey for 3147 Deer Valley Property, El Dorado County, CA. 2007. Prepared for Sierra Pacific Mortgage Inc. and the County of El Dorado. Performed tree inventory and oak canopy mapping on 45-acre parcel for County permit requirements.

Arborist Survey for 1681 Starbuck Road Property, El Dorado County, CA. 2007. Prepared for Sierra Pacific Mortgage Inc. and the County of El Dorado. Performed tree inventory and oak canopy mapping on 6-acre parcel for County permit requirements.

Arborist Survey for the Freeport Landing Marina Parking Lot, Sacramento County, CA. 2006. Prepared for Freeport Landing LLC.

ARBORIST REPORTS PERFORMED BY DR. GRAENING UNDER OTHER EMPLOYERS

Arborist Appraisal for the Caltrans Spanish Creek Bridge Replacement Project. Quincy, CA. 2007. Published by CH2MHill for Caltrans. Inventoried and valued over 1,200 trees for federal Transportation Act Section 4(f) compliance.

Sonoma 101 Widening and Soundwall Construction – Route 123 to Windsor - Project Tree Inventory, Santa Rosa, CA. 2007. Published by CH2MHill for CA Dept. of Transportation. Assisted in arboricultural inventory of over a thousand trees in a 4-mile corridor.

Contra Costa Hydrogen Pipeline Project Arboricultural Study, Contra Costa County, CA. 2007. Published by CH2M Hill Inc. for Praxair Inc. and the County of Contra Costa. Authored arborist study involving the inventory and impact analysis of over 1,400 trees in a 22-mile hydrogen gas pipeline corridor.

Shingle Springs Interchange Arborist Survey, El Dorado Co., CA. 2004. Published by AES Inc. for the Shingle Springs Rancheria and the CA Dept. of Transportation. Performed arborist survey on 5-acre parcel.

Guenoc Water Rights Modification Environmental Impact Report, Lake Co., CA. 2003. Published by AES Inc. for the State Water Resources Control Board. Co-authored report, performed oak canopy mapping.

Jackson Rancheria Highway 88 Access Project Arborist Survey and Tree Mitigation Plan, Amador Co., CA. 2003. Published by AES Inc. for the Jackson Rancheria and the CA Dept. of Transportation. Performed arborist survey and designed tree replacement program.

U & S Street Inline Storage Project Arborist Study, Sacramento, CA. 2003. Published by AES Inc. for the City of Sacramento. Performed arborist survey and prepared report as part of an Initial Study / Environmental Assessment.