Southwestern College Football Practice Field Chula Vista, CA

ABC PLAYGROUND SAFETY
2235 West 243rd, Lomita, CA 90717
Phone: (310) 880-6126 FAX: (310) 325-5028
Email: [email protected]
www.abcplaygroundsafety.com
Playing Surface Impact Test Report
Artificial Playing Surface
Southwestern College
Football Practice Field
Chula Vista, CA
Test Date:
April 22, 2013
Report Date: April 22, 2013
Test Methods: ASTM F 355-A: Standard Specification for Shock-Absorbing properties of North
American Football Field Playing Systems as Measured in the Field. ASTM F 355: Standard Test Method for
Shock-Absorbing Properties of Playing Surface Systems and Materials, Procedure A. Accelerometer last
calibrated January 9, 2012. Tests performed by Jeff Davis.
Surface Description: In-filled artificial turf system in new condition.
Weather Conditions
April 22, 2013
Mean Temperature
Max Temperature
Min Temperature
Wind (mph)
Dew Point
Relative Humidity
Summary of Results
F
55
66
54
1
52
88%
117.8
Field Average G max
Field Max. Avg. G max 124.1
Site maximum G max 124.6
Avg. Strand Length
Avg. Infill Depths
56.7mm
37.8mm
Test results reported herein reflect the conditions of the tested field at the time of testing and at the
temperature(s) reported under the stated test conditions, all points met the requirement of <200 G max
when tested n accordance with ASTM F1936
SPORTS SURFACE IMPACT TEST REPORT
Southwestern College, Football Practice Field, Chula Vista, CA
Test date: April 22 , 2013
Report date: April 22 , 2013
Field Description and Condition :
Surface Type: Infilled Synthetic Turf
Football - Soccer
New
Weather Conditions:
Temperature : 55 ºF
Overcast
Humidity : 88%
Test Method:
ASTM F 1936: Standard Specification for Shock-Absorbing Properties of North American Football Field
Playing Systems as Measured in the Field.
Summary of Results:
Vo
m/s
Point 1 — Goal Line, End A, Center Field
Surface Depth : 56.0 mm Total 37.0 mm Infill
Football - Soccer
Point 2 — 6' from Goal Line to back of End Zone, End A, center of field
New
Surface Depth : 57.0 mm Total 37.0 mm Infill
Football
Point 3 — 10 Yard Line, End A, and 1/4 the distance from side line C to center field
New
Surface Depth : 57.0 mm Total 39.0 mm Infill
Football
Point 4 — 25 Yard Line, End A, and 1/2 the distance from side line C to center field
New
Surface Depth : 58.0 mm Total 40.0 mm Infill
Football
Point 5 — 35 Yard Line, End A, 6' outside Side Line D
New
Surface Depth : 57.0 mm Total 34.0 mm Infill
Football
Point 6 — Center of Field
New
Surface Depth : 57.0 mm Total 37.0 mm Infill
Football
Point 7 — 38 Yard Line, End B, and 1/2 the distance from side line C to center field
New
Surface Depth : 57.0 mm Total 38.0 mm Infill
Football
Point 8 — 25 Yard Line, End B, and 1/4 the distance from side line D to center field
New
Surface Depth : 55.0 mm Total 37.0 mm Infill
Football
Point 9 — 12 Yard Line, End B, and Center of Field
New
Surface Depth : 56.0 mm Total 39.0 mm Infill
Football
Point 10 — 12 Yard Line, End B, and Center of Field
New
Surface Depth : 57.0 mm Total 40.0 mm Infill
Football
New
h
m
gmax tmax
ms
Air
ºF
Surf
ºF
3.46
0.61 123.9
5.9
55
64
3.46
0.61 122.7
6.0
55
64
3.46
0.61 112.2
6.6
55
64
3.46
0.61 120.6
6.3
55
64
3.46
0.61 111.6
6.7
57
64
3.46
0.61 119.1
5.7
57
64
3.46
0.61 116.3
6.2
55
64
3.46
0.61 124.1
6.7
55
66
3.46
0.61 111.3
7.1
55
66
3.46
0.61 116.3
6.1
55
66
Conclusion:
Under the test conditions reported above, all test points met the requirement
of < 200 average G max when tested in accordance with specification F1936.
Test results reported herein reflect the conditions of the tested field at the time of testing and at the temperature(s) reported.
SPORTS SURFACE IMPACT TEST REPORT
Southwestern College, Football Practice Field, Chula Vista, CA
Test date: April 22 , 2013
Report date: April 22 , 2013
Test
Point
1
Drop
#
1
2
3
Av23
Vo
m/s
3.46
3.46
3.46
3.46
h
m
0.61
0.61
0.61
0.61
2
1
2
3
Av23
3.46
3.46
3.46
3.46
3
1
2
3
Av23
4
gmax
111.6
122.7
125.0
123.9
tmax
ms
5.9
5.7
6.2
5.9
Air
ºF
55
55
55
55
Surf
ºF
64
64
64
64
0.61
0.61
0.61
0.61
111.8
121.4
124.1
122.7
5.9
6.2
5.8
6.0
55
55
55
55
64
64
64
64
3.46
3.46
3.46
3.46
0.61
0.61
0.61
0.61
100.6
110.8
113.7
112.2
6.7
6.8
6.4
6.6
55
55
55
55
64
64
64
64
1
2
3
Av23
3.46
3.46
3.46
3.46
0.61
0.61
0.61
0.61
104.6
119.7
121.5
120.6
6.7
5.9
6.6
6.3
55
55
55
55
64
64
64
64
5
1
2
3
Av23
3.46
3.46
3.46
3.46
0.61
0.61
0.61
0.61
95.6
107.9
115.2
111.6
7.3
6.5
6.8
6.7
57
57
57
57
64
64
64
64
6
1
2
3
Av23
3.46
3.46
3.46
3.46
0.61
0.61
0.61
0.61
103.7
118.5
119.8
119.1
6.4
5.4
5.9
5.7
57
57
57
57
64
64
64
64
7
1
2
3
Av23
3.46
3.46
3.46
3.46
0.61
0.61
0.61
0.61
108.9
113.5
119.1
116.3
6.8
6.3
6.1
6.2
55
55
55
55
64
64
64
64
8
1
2
3
3.46
3.46
3.46
0.61
0.61
0.61
107.9
123.6
124.6
6.8
6.3
7.0
55
55
55
66
66
66
SPORTS SURFACE IMPACT TEST REPORT
Southwestern College, Football Practice Field, Chula Vista, CA
Test date: April 22 , 2013
Report date: April 22 , 2013
Av23
3.46
0.61
124.1
6.7
55
66
9
1
2
3
Av23
3.46
3.46
3.46
3.46
0.61
0.61
0.61
0.61
99.1
109.9
112.7
111.3
6.8
7.3
6.8
7.1
55
55
55
55
66
66
66
66
10
1
2
3
Av23
3.46
3.46
3.46
3.46
0.61
0.61
0.61
0.61
104.3
115.1
117.6
116.3
6.4
5.9
6.3
6.1
55
55
55
55
66
66
66
66
SPORTS SURFACE IMPACT TEST REPORT
Southwestern College, Football Practice Field, Chula Vista, CA
Test date: April 22 , 2013
Report date: April 22 , 2013
300
300
Test Point 1
Test Point 2
200
Acceleration,g
Acceleration,g
200
100
100
0
0
0
10
20
Time, ms
30
40
50
0
300
10
20
Time, ms
30
40
50
40
50
40
50
300
Test Point 3
Test Point 4
Acceleration,g
200
Acceleration,g
200
100
100
0
0
0
10
20
Time, ms
30
40
50
0
300
10
20
Time, ms
30
300
Test Point 5
Test Point 6
Acceleration,g
200
Acceleration,g
200
100
100
0
0
0
10
20
Time, ms
30
40
50
0
10
20
Time, ms
30
SPORTS SURFACE IMPACT TEST REPORT
Southwestern College, Football Practice Field, Chula Vista, CA
Test date: April 22 , 2013
Report date: April 22 , 2013
300
300
Test Point 7
Test Point 8
Acceleration,g
200
Acceleration,g
200
100
100
0
0
0
10
20
Time, ms
30
40
50
0
300
10
20
Time, ms
30
40
50
40
50
300
Test Point 9
Test Point 10
Acceleration,g
200
Acceleration,g
200
100
100
0
0
0
10
20
Time, ms
30
40
50
0
10
20
Time, ms
30