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Athletic Field Consultants, Inc. G-MAX Test and Field Inspection Report Test Performed By: Jeff Clise on behalf of Athletic Field Consultants, Inc.

Report No.: 16-018-2

General Project Information

Date of Test: 8/25/2016 (warm, sun/pt. clouds)

Project Name: Walter Johnson High School Football Field Project Address: 6400 Rock Spring Drive, Bethesda, MD 20814 Contact Name: Kathleen Cosgrove, Business Manager Contact Phone: 301-803-7114 Contact Email: [email protected]

Field Conditions and Description of Field on Date of Test Field Play Configuration: Football, Soccer, Lacrosse Field Orientation: E, W (End to End) Field Surface Type: 2.5” Duraspine Field Planarity: noted in observations Test Point 1 2 3 4 5 6 7 8 9 10

Infill Depth (mm) 36 36 36 37 35 39 41 39 34 35

Manufacturer: FieldTurf

Temperature (F.) Air Field

Installation Date: 4/2010

Drop No. 1

Drop No. 2

Drop No. 3

145.25 148.97 127.03 134.53 148.24 138.86 141.71 144.02 158.70 169.82

164.49 170.56 142.26 133.81 162.59 151.94 156.70 154.90 172.04 187.82

176.09 162.11 145.57 142.78 161.85 152.41 161.26 147.54 168.57 183.71

Average Drop (2 and 3)

84 84 84 84 84 84 84 84 84 84

110 112 109 108 128 128 127 123 128 130

Average GMAX Value for Entire Field Values in Bold/Red Exceed the ASTM Maximum Allowed G-MAX of 200

170.29 166.34 143.92 138.30 162.22 152.18 158.98 151.22 170.31 185.77 159.95

ASTM Specified Drop Height: 2’ Producing an Impact Velocity 11.35 FPS ± 0.56 Test Method: ASTM F 355, Test Method for Shock-Absorbing Properties of Playing Surface Systems and Materials. ASTM F1936-10, Standard Specification for Impact Attenuation of Turf Playing Systems as measured in the Field (G-MAX) Test equipment calibrated February 2016.

Report Summary Introduction: An independent analysis of the FieldTurf synthetic playing surface, relative to gmax and general field conditions, was requested by the client. G-MAX Testing and Field Inspections were performed on the Project Field Walter Johnson High School Football Field on August 25, 2016. Ten separate locations were tested for G-MAX values. Each test location had three G-MAX tests performed in order to obtain the average G-MAX. The tests were performed using ASTM certified and calibrated equipment, and were performed at locations on the field as determined by the ASTM F 1936-10 Specifications. The test results reported herein reflect the performance of the points tested at the time of testing and at the temperatures reported.

Findings/Recommendations: No site abnormalities were found and there were no deviations from standard test procedures. All test points met the requirement of less than 200 average G-MAX when tested except for those indicated by Bold Red and shown in the Test Result G-Max Table. Athletic Field Consultants, Inc. ∙ P. O. Box 323, Queenstown, MD 21658 ∙ [email protected] Jeff Clise (301) 908-3526

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Athletic Field Consultants, Inc. G-MAX Test and Field Inspection Report Project Name: Walter Johnson High School Football Field

Report No.: 16-018-2 Date of Test: 8/25/2016

Test Point Location Diagram (Football Field) Sideline D (Bleachers) 8

End A

1

5

2 4

9

10

End B (Scoreboard)

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3 6 Sideline C (Bleachers/Press Box) Test No. 1 2 3 4 5 6 7 8 9 10

Test Point Location Description End Zone A 6’From Goal Line Along Center Line of Field End Zone A Goal Line at Center of Field End A 10 Yard Line at Numbers Along Sideline C End A 25 Yard Line at the Hash Marks Along Sideline C 50 Yard Line at Center of Field 50 Yard Line at Side Line C End B 35 Yard Line at the Hash Marks Along Sideline C End B 25 Yard Line at the Numbers Along Sideline D End B 12 Yard Line Center of Field End Zone B 6’ From Back of End Zone Along Center Line of Field

*All test point locations are in accordance with ASTM specifications, but performed in sequence determined by tester.

Contact Discussions Field Use: Football, Soccer, Lacrosse Maintenance Schedule: Clean 2xyr, Groom 3xyr – King Sports

Frequency of Use: Heavy, Daily Maintenance Equipment: Unknown

Turf Condition (Standing, Starting to Lay Over, Laying Over, Excess Fiber Wear, Inlays) Goal Area: Laying Over, Matted Down, Excess Fiber Wear

Creases/Penalty Kick: Laying Over, Matted Down, Excess Fiber Wear Center Field: Laying Over, Matted Down, Excess Fiber Wear Logo/Colored Areas: Laying Over, Matted Down, Excess Fiber Wear Sidelines: Laying Over, Matted Down, Excess Fiber Wear Inlays: Laying Over, Matted Down, Excess Fiber Wear Access Points to Field: Laying Over, Matted Down, Excess Fiber Wear

General Field Accessibility: Multiple Field Security: 6’ fence Sporting Event Accessories and Maintenance Equipment Storage: Off Field

Athletic Field Consultants, Inc. ∙ P. O. Box 323, Queenstown, MD 21658 ∙ [email protected] Jeff Clise (301) 908-3526

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Observations/Recommendations: This field is laying over, matted down, showing signs of excess fiber wear (especially in high wear areas – creases, penalty kicks, front of goals, center of field, etc.) and the fibers are shedding. The inlay lines are heavily worn, more so than the green body of the field, and are brittle and breaking off. The field appears to receive a tremendous amount of play. Upon arrival, the King Sports maintenance crew was onsite. They added rubber infill to high wear areas and deep groomed, de-compacted, and brushed center portion of the field (end zone to end zone, hash mark to hash mark). I then performed the GMAX testing represented in this report. There are invasive grasses encroaching along the edges of the field that need to be sprayed with Round-Up. There are also signs of slight planarity changes at several of the high wear areas (center of field, creases, and penalty kick lines). They are not significant at this time, however, should be monitored. The shedding fiber, especially the inlays, need to be monitored. The pipe sleeve holes for the back-net are exposed, causing a significant hazard if someone was to fall on them. 2” steel pipe back-net needs to be installed or pipes removed. Continue annual GMAX testing to ensure proper performance of field. Watch fiber closely. If amount of play continues, this field will need to be replaced at its 8 year warranty. I am not sure if the crease areas and other high wear areas will make the 8 year warranty and may need to be replaced sooner. -A non-field related item is the running track around the field. There are numerous areas where the track material has come loose, creating trip hazards for the student athletes. I would recommend having a track professional assess the situation to determine if it can be repaired or needs to be resurfaced. I would recommend replacing with a urethane surface.

Athletic Field Consultants, Inc. ∙ P. O. Box 323, Queenstown, MD 21658 ∙ [email protected] Jeff Clise (301) 908-3526

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Athletic Field Consultants, Inc. G-MAX Test and Field Inspection Report Impact Test Data (Acceleration Time Curve)

Project Name: Walter Johnson HS FB

Date of Test: 8/25/2016

Report No.: 16-018-2

Test Performed By: Jeff Clise

Test Point No. 1 Drop Point No. 1

Test Point No.1 Drop Point No. 2

Test Point No.1 Drop Point No. 3

Test Point No. 2 Drop Point No. 1

Test Point No. 2 Drop Point No. 2

Test Point No. 2 Drop Point No. 3

Test Point No. 3 Drop Point No. 1

Test Point No. 3 Drop Point No. 2

Test Point No. 3 Drop Point No. 3

Test Point No. 4 Drop Point No. 1

Test Point No. 4 Drop Point No. 2

Test Point No. 4 Drop Point No. 3

Test Point No. 5 Drop Point No. 1

Test Point No. 5 Drop Point No. 2

Test Point No. 5 Drop Point No. 3

Test Point No. 6 Drop Point No. 1

Test Point No. 6 Drop Point No. 2

Test Point No. 6 Drop Point No. 3

Test Point No. 7 Drop Point No. 1

Test Point No. 7 Drop Point No. 2

Test Point No. 7 Drop Point No. 3

Test Point No. 8 Drop Point No. 1

Test Point No. 8 Drop Point No. 2

Test Point No. 8 Drop Point No. 3

Test Point No. 9 Drop Point No. 1

Test Point No. 9 Drop Point No. 2

Test Point No. 9 Drop Point No. 3

Test Point No. 10 Drop Point No. 1

Test Point No. 10 Drop Point No. 2

Test Point No. 10 Drop Point No. 3

Athletic Field Consultants, Inc. ∙ P. O. Box 323, Queenstown, MD 21658 ∙ [email protected] Jeff Clise (301) 908-3526

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Athletic Field Consultants, Inc. G-MAX Test and Field Inspection Report

Test Point Location Photographs Project Name: Walter Johnson High School Football Field Date of Test: 8/25/2016 Report No.: 16-018-2

Test No. 1

Test No. 2

Test No. 3

Test No. 4

Test No. 5

Test No. 6

Test No. 7

Test No. 8

Test No. 9

Test No. 10

Athletic Field Consultants, Inc. ∙ P. O. Box 323, Queenstown, MD 21658 ∙ [email protected] Jeff Clise (301) 908-3526