TPDES Stormwater Annual Report FY2020 TPDES Stormwater Annual Report FY2020 | Page 14

Repair Drainage Pipe
67.5
0
Repair Drainage Structure
1686.5
30
Repair Sidewalk
1
0
Request Line Locate
10.75
0
Sandbag Operation
7.5
0
Saw Cutting
13
0
Severe Weather Response
46
0.75
Special Events
8
0
Special Projects
119.5
0
Storm Inspection
339.39
12.1
Trim Trees / Brush
14.25
0.25
Grand Total 15,884.2 1,408.43
II .
Floatables a . Source Controls and Monitoring - Sweeping
The Stormwater Maintenance Crew performs maintenance activities that reduce the volume of sediment and floatable materials that have the potential to reach the MS4 and receiving waters . The Stormwater Management Division also contracts street sweeping activities for the removal of sediment and floatables from the MS4 . The following tables summarize their contribution to the removal of sediment and floatables .
In-house Street Sweeping :
Activity
Labor Hours
Curb Miles Swept
Debris Removed
( Cubic Yards )
Street Sweeping ( in-house )
784.5
1081.96
971.6
In-house Airport Sweeping :
In 2019 , the City of Arlington Municipal Airport purchased a “ FOD * BOSS Sweeping Mat ” to replace contracted sweeping activities . The contractor ’ s service was unable to remove the smaller items ( FOD – Foreign Object Debris ) that could damage aircraft . Additionally , the FOD * BOSS is designed solely for collecting FOD from tarmac and aircraft movement surfaces . Sweeping frequency is 1 time per week , utilizing two ( 2 ) to three ( 3 ) man hours each run .
Month
Recorded Mileage
October
103.9
November
41.2
December
105.8
January
0
February
53.7
March
33.1
April
27.5
May
62.5
June
47.9
July
41.4
August
0
September
24.5
Grand Total
541.5
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