4. GI INSTALLATION, MAINTENANCE, AND
INSPECTION
Focal Occupations
> NatureWORKS identified 30
occupations involved in GI
installation, maintenance, and
inspection, which included:
– Construction
– Landscaping and Grounds
keeping
– Urban Forestry
– Tree Care
– Ecological Restoration
– Wastewater
Percent GI Involvement
Source: JFF Survey of Contractors (2016).
5. MAPPING SELECT INSTALLATION, MAINTENANCE,
INSPECTION GREEN INFRASTRUCTURE JOBS TO
SOC CODES
SOC Occupation Title Total Urban Green Infrastructure %
1st line supervisors of landscaping/lawn/grounds keeping 103,450 15,517 15
Tree trimmers and pruners 40,160 28,112 70
Landscaping and grounds keeping workers 895,600 89,560 10
Laborers in farms, nurseries, greenhouses (minus farms) 49,390 12,347 25
Forest and conservation workers 14,000 3,500 25
Excavating and loading machine operators 49,880 4,988 10
Roofers 123,400 6,170 5
Helpers – Roofers 10,810 540 5
Septic tank servicers and sewer pipe cleaners 27,080 4,062 15
Helpers: pipe layers, pipefitters, etc. 55,530 5,553 10
Operating engineers & construct. equip. operators 355,140 17,757 5
Water/liquid waste treatment plant & systems operators 114,770 11,477 10
Pavement, surfacing, tamping equipment operators 53,110 5,311 10
Segmental pavers 1,240 124 10
Cement masons and concrete finishers 163,360 16,336 10
Construction laborers 887,580 17,751 2
Total Urban GI Installation, Maintenance, Inspection
Jobs
2,944,500
239,105