TPDES Stormwater Annual Report FY2021 TPDES Stormwater Annual Report FY2021 | Page 8

Repair Drainage Structure
1904.25
53
Request Line Locate
10.5
9
Saw Cutting
23.5
1
Seal Joint
0
5
Storm Inspection
229.84
558
Trim Trees / Brush
57.5
4
Grand Total
15,614.215
16,206
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 )
798
878.67
267
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 . Sweeping for the reporting period is outlined below :
Month
Recorded Mileage
October
56.4
November
29.3
December
34.3
January
35.3
February
29.1
March
63.6
April
43.5
May
65.8
June
91.6
July
73.6
August
45
September
76.3
Grand Total
643.8
12