1. Green Infrastructure Operations & Maintenance Survey 2017
ISWEP
Green Infrastructure
Operations & Maintenance Survey 2017

2. Research

3. Survey Communities City State Population 51,818 Oak Lawn Village IL
La Crosse WI
51,818
Oak Lawn Village IL
55,245
Elryia OH
55,953
Burnsville MN
60,220
Bloomington IN
69,291
St. Joseph MO
73,990
Schaumburg Village
75,386
Hammond
83,058
Rochester
85,806
Duluth
86,918
Fargo ND
90,599
Elgin
94,487
Green Bay
102,313
Joliet
106,221
Ann Arbor MI
114,214
Aurora
142,990
Dayton
166,179
Grand Rapids
196,445
Fort Wayne
205,175
Lincoln NE
225,581
Minneapolis
382,603
Omaha
390,007
Kansas City
481,420
Milwaukee
596,974
Survey Communities

4. O & M Survey Questions Background Funding Dedicated Personnel
Practices & Ownership
At what point is scale reached (# of practices needed where cost becomes affordable*)
Funding
Where does it originate
How much is allocated to Inspection, Maintenance and/or Both
Dedicated Personnel
Municipality
Contractor
Volunteers
Other / Combination
Inspection & Maintenance Responsibilities
Forms
Maintenance Agreements

5. What [where] is Scale?
At what point is scale reached (# of practices needed where cost becomes affordable*)
For example
1,000 sf permeable pavement versus 43,560 sf permeable pavement
5,000 sf bioswale versus 15,000 sf bioswale
1,000 acres of turf mowed reduced to 100 acres turf mowed
Cost savings reallocated to GI inspection & maintenance
Survey responses will help determine the tipping point
For comparative purposes turning to a respected industry resource for engineering cost estimates.

6. R.S. Means Data, 2016
World’s leading provider of construction cost data, software, and services for all phases of the construction lifecycle.
Provides accurate and up-to-date cost information to help owners, developers, architects, engineers, contractors and others carefully and precisely project and control the cost of both new building construction and renovation projects. 
City cost indexes
Productivity rates
Crew composition
Contractor's overhead and profit rates
It is a data standard for government work in terms of pricing, and is widely used by the industry as a whole.

7. Division 32 01 Operations and Maintenance of Exterior Improvements
Gathered daily output / cost data for:
Sweeping [permeable pavement]
Weeding / Litter pick-up
Cleaning Brush / Fall Clean-Up
Lawn Maintenance [mowing]

8. SWEEPING [permeable pavement]
Maintenance DO LH
Measure
Total
Output per hour
Daily Cost
Cost Per Unit
Sidewalk, brick pavers, steam cleaning
950
0.008 SF
119
$684.00
$0.72
Sweep walk by hand 15
0.533
MSF
15000
1,875
$495.00
$0.03
Sweep walk, power vacuum
100
0.8
100000
12,500
$496.00
$0.0050
Sweep, drives & parking areas with power vacuum
120
0.067
120,000
15,000
$495.60
$0.0041

9. WEEDING / LITTER PICK-UP
Maintenance DO LH
Measure
Total
Output per hour
Daily Cost
Cost Per Unit
Weed Mulched Bed 20
0.4
MSF
20,000
2,500 $
$ 0.03
Weed unmulched bed 8 1
8,000
1,000 $
$ 0.06
Litter Pick-up
300
0.27
300,000
37,500
$495.00 $

10. CLEANING BRUSH / FALL CLEAN-UP
Maintenance DO LH
Measure
Total
Output per hour
Daily Cost
Cost Per Unit
Cleaning brush with brush saw and rake.
565
0.014 SY 71 $
$ 7.04
Cleaning brush, by hand 8 1
MSF
8,000 35 $
$ 14.16
Fall Clean-Up
1,000
125 $
$ 0.50

11. LAWN MAINTENANCE [mowing]DO LH
Measure
Total
Output per hour
Daily Cost
Cost Per Unit
Lawn Mowing, Power Mower - 18" to 22" wide 65
0.123
MSF
65,000
8,125 $ $