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G-MAX TEST REPORT
APPROVED BY - RYAN TEETER, PE - LDD Sports
REPORT NUMBER
2016-087
Date 06-28-2016
CLIENT FIELDTURF USA Inc. 8088 Montview Road Montreal, Quebec Canada H4P 2L7
TEST INFORMATION Project Name – Thomas S. Wootton High School
Site address – 2100 Wootton Pkwy, Rockville, MD 20850 Test Type - Onsite G-max Test - 10 Locations
Field Type - Football (Sand & Rubber Infill)
Test Date - 06-28-2016
Time of Test - 8:00am
Weather - Sunny 85°F
Installation Date - N/A
Field Temp - 95°F Average
DESCRIPTION An independent analysis of a synthetic turf relative to G-max was requested by the client. The Test was performed by a Licensed Professional Engineer at the below referenced location with ASTM certified and calibrated equipment via Triax “A” Missile SN30-9887 1683. The Test Methods are as follows;
Method A - ASTM F 355, Test Method for Shock-Absorbing Properties of Playing Surface Systems and Materials. ASTM F 1936-10, Standard Specification for Shock-Absorbing Properties of North American Football Field Playing Systems as Measured on the Field, (G-max) The particulars of this on-site analysis are described below.
TEST RESULTS The following test results indicate G-max values for ten individual locations with three separate tests performed at each location. A table has been provided indicating the values associated with each test and a location map showing the ten individual tests at designated and described locations. The test results reported herein reflects the conditions of the tested field at the time and temperatures noted.
TEST CONCLUSION The Synthetic Turf Stadium Athletic Field at Thomas S. Wootton High School (Stadium Field) as characterized above and in the following report has been verified to be in compliance and meets the requirements for play based on the specifications as referenced in ASTM F1936-10 with all locations below the maximum allowable limit of 200.
Thomas S. Wootton HS – Stadium Football Field
Overall G-max = 153
G-MAX TEST REPORT
Gmax HIC Gmax HIC Gmax HIC
1 150 468 173 600 178 627 175.50 38 95
2 140 390 152 446 152 437 152.00 38 95
3 132 387 149 474 153 495 151.00 44 95
4 139 420 160 534 165 556 162.50 45 95
5 125 353 138 412 140 425 139.00 43 95
6 123 335 140 420 142 423 141.00 43 95
7 154 475 169 555 170 558 169.50 38 95
8 137 405 154 486 155 489 154.50 39 95
9 131 379 148 471 152 484 150.00 42 95
10 120 347 131 396 132 401 131.50 50 95
153
Location
1
2
3
4
5
6
7
8
9
10 East sideline at midfield
Drop 1
NE 37yd line at the hashes
Gmax
Average
Specific Location Description
Thomas S. Wootton HS
S Penalty Kick at center of the field
Drop 3
G-max Values - 6.28.16
S Goal area at center of field
SE 25yd line at hashes
Test
Location
Overall Average G-max
SE 10yd line at numbers
Field
Temp
(°F)
N center of the LAX circle
N Soccer Goal area at center of field
Drop 2 Infill
Depth
(mm)
Midfield at Centerfield
NW 25 yd line at the numbers
N
1
2
3
4
5
6
7
8
9
10
G-MAX TEST REPORT
Location #1 Location #2 Location #3
Location #4 Location #5 Location #6
Location #7 Location #8 Location #9
Location #10
