ASTM D % 8.02% NA 1223 NA for App. Usage NA for App. Usage. NA for App. Usage. NA for App. Usage. NA for App.

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1 REINFORCEMENT GEOGRID - APL Company: Contech Engineered Solutions, LLC Date: 1/8/216 Product: E'GRID RX12 by Contech Contact Person: Robert Morris Phone/ , rmorris@conteches.com Material Description: Biaxial Geogrid ATTACH CERTIFIED INDEPENDENT TEST RESULTS TO JUSTIFY SUBMITTED VALUES PROPERTY REQUIRED TEST METHOD UV Stability (Min. Retained Strength at 5 hrs.) Tensile Strength (lbs/ft) ASTM D % Machine Direction Ultimate (T ult ) 2% Strain 5% Strain ASTM D Cross Direction Ultimate 2% Strain 5% Strain Strain at Ultimate Tensile Strength Secant Modulus (lbs/ft) 2% Strain 5% Strain 1% Strain Junction Strength (lbs/ft) GRI : GG2 Soil - Geosynthetic Friction ASTM D 676 Creep Resistance T creep (lb/ft) ASTM D 5262 Creep Reduction Factor (T ult /T creep ) ASTM D % NA 1223 Installation Damage (RF C ) Sand Limerock Fill GRI : GG4 & GT7 Durability (RF D ) Joint Strength (RF J ) Chemical ASTM D 5322 Biological ASTM D 1987 & G21 Mechanical ASTM D 6637, GRI : GG4 & GT7 Overlap (3 feet Min) ASTM D 676 Requested Application Usage R5 R-1 R-2 R-3 R-4 R-5 Geosynthetic Reinforced Embankment GRS-IBS Reinforcement of Foundations over Soft Soils PPM (See Ch.31) Steepened Slopes PPM (See Ch.31) Reinforced Embankment SFH (App. E) Construction Expedient

2 May 28, 214 June 5, 214 June 9, 214 Mail To: Updated with Junction Retest result and Pitch size direction revised. Updated with UV Resistance results Bill To: Attn: John Price Hanes Geo Components 815 Buxton Street Winston-Salem, North Carolina 2711 <= Same Dear Mr. Price: Thank you for consulting TRI/Environmental, Inc. (TRI) for your geosynthetics testing needs. TRI is pleased to submit this final report of the laboratory testing for the sample(s) listed below. TRI Job Reference Number: Material(s) Tested: E Seven Geogrid(s) Test(s) Requested: Single Rib Tensile Properties (ASTM D 6637, Method A) Mass/Unit Area (ASTM D 5261) Junction/Node Strength (ASTM D7737, mod.) Aperature Size (Calipers) Rib Pitch (Calipers) Carbon Black Content (ASTM D 163, Two Burn) Thickness (Micrometer) - Rib & Junction/Node Flexural Rigidity (ASTM D 7748) Percent Open Area (COE Method) Updated====> UV Resistance (ASTM 4355 ) If you have any questions or require any additional information, please call us at Sincerely, Mansukh Patel Laboratory Manager Geosynthetic Services Division Page 1 of 18

3 GEOGRID TEST RESULTS TRI Client: Hanes Geo Components Material: Terragrid 12 Geogrid Sample Identification: RX 12, Roll 455, Batch TRI Log #: E STD. PARAMETER TEST REPLICATE NUMBER MEAN DEV Single Rib Tensile Properties (ASTM D 6637, Method A) MD - Number of Ribs per foot: 7.7 MD Maximum Strength (lbs) MD Maximum Strength (lbs/ft) MD Maximum Strength (kn/m) MD 1% Strain (lbs) MD 1% Strain (lbs/ft) MD 1% Strain (kn/m) MD 2% Strain (lbs) MD 2% Strain (lbs/ft) MD 2% Strain (kn/m) MD 5% Strain (lbs) MD 5% Strain (lbs/ft) MD 5% Strain (kn/m) MD 1% Strain (lbs) MD 1% Strain (lbs/ft) MD 1% Strain (kn/m) MD Break Elongation (%) TD - Number of Ribs per foot: 1.2 TD Maximum Strength (lbs) TD Maximum Strength (lbs/ft) TD Maximum Strength (kn/m) TD 1% Strain (lbs) TD 1% Strain (lbs/ft) TD 1% Strain (kn/m) TD 2% Strain (lbs) TD 2% Strain (lbs/ft) TD 2% Strain (kn/m) TD 5% Strain (lbs) TD 5% Strain (lbs/ft) TD 5% Strain (kn/m) TD 1% Strain (lbs) TD 1% Strain (lbs/ft) TD 1% Strain (kn/m) TD Break Elongation (%) Mass/Unit Area (ASTM D 5261) Mass/unit area (oz/sq.yd) MD Machine Direction TD Transverse Direction Page 4 of 18

4 GEOGRID TEST RESULTS TRI Client: Hanes Geo Components Material: Terragrid 12 Geogrid Sample Identification: RX 12, Roll 455, Batch TRI Log #: E STD. PARAMETER TEST REPLICATE NUMBER MEAN DEV Junction/Node Strength (ASTM D7737, mod.via 1% Strain Rate as requested by client) MD - Number of Ribs per foot: 7.7 MD Maximum Junction Strength (lbsf) MD Maximum Junction Strength (lbs/ft) MD Maximum Junction Strength (kn/m) TD - Number of Ribs per foot: 1.2 TD Maximum Junction Strength (lbsf) TD Maximum Junction Strength (lbs/ft) TD Maximum Junction Strength (kn/m) MD Junction Efficiency (%) 95 TD Junction Efficiency (%) 94 Center of Junction node to center of clamped node is considered as gage length, MD : 2.3 inch and TD :3. inch Aperature Size (Calipers) MD - Aperature Size (in) TD - Aperature Size (in) Rib Pitch (Calipers) MD - Pitch (in) TD - Pitch (in) Carbon Black Content (ASTM D 163, Two Burn) Percent Carbon Black Content with Ash(%): Percent Ash Content (%): Percent Carbon Black Content without Ash(%): MD Machine Direction TD Transverse Direction Page 5 of 18

5 Hanes Geo Components, RX 12, MD,Roll# 455, Batch # Single RibTensile, ASTM D 6637,Method A, TRI Log # E Tensile Strength (lb/ft) Tensile Strain (%) RX12 -MD-1 RX12-MD-2 RX12-MD-3 RX12-MD-4 RX12-MD-5 25 Hanes Geo Components, RX 12, TD,Roll# 455, Batch # Single RibTensile, ASTM D 6637,Method A, TRI Log # E Tensile Strength (lb/ft) Tensile Strain (%) RX12 -TD-1 RX12-TD-2 RX12-TD-3 RX12-TD-4 RX12-TD-5 Page 13 of 18

6 Hanes Geo Components, RX12, MD,Roll# 455, Batch # Junction Strength, ASTM D 7737,Mod.1% Strain Rate, TRI Log # E Junction Strength (lbs) RX12 -MD-1 RX12-MD-2 RX12-MD-3 RX12-MD-4 RX12-MD-5 RX12-MD-6 RX12-MD-7 RX12-MD-8 RX12-MD-9 RX12-MD-1 Junction Strain (%) Hanes Geo Components, RX12, TD,Roll# 455, Batch # Junction Strength, ASTM D 7737,Mod.1% Strain Rate, TRI Log # E Junction Strength (lbs) Junction Strain (%) RX12 -TD-1 RX12-TD-2 RX12-TD-3 RX12-TD-4 RX12-TD-5 RX12-TD-6 RX12-TD-7 RX12-TD-8 RX12-TD-9 RX12-TD-1 Page 14 of 18

identical to the resin formulation for Terragrid (E GRID) RX11 To whom it may concern: By this letter, certifies that the resin formulation and amount carbon black added to produce E GRID RX11 and

7 BOSTD Geosynthetics Qingdao Ltd. Suite D-7A, Majestic Garden No 6 Middle of Beisihuan Road Beijing 129, China November 4, 215 Attention: To whom it may concern Subject: Certification that the resin formulation for E GRID RX12 is identical to the resin formulation for Terragrid (E GRID) RX11 To whom it may concern: By this letter, BOSTD Geosynthetics Qingdao Ltd. certifies that the resin formulation and amount carbon black added to produce E GRID RX11 and RX12 geogrids is identical to the resin formulation and amount of carbon black added to produce Terragrid (E GRID) RX11 (Product also produced by BOSTD and tested for UV durability per ASTM D See Results included with E GRID RX11 Submittal) and has not changed since the date of the ASTM D4355 test provided. Therefore, it is reasonable to conclude that E GRID RX11 and RX12 will exhibit equivalent UV resistance when tested in accordance ASTM D4355. Sincerely, BOSTD Geosynthetics Qingdao Ltd.

ASTM D % 9.21% NA 1302 NA for App. Usage NA for App. Usage. NA for App. Usage. NA for App. Usage. NA for App.

ASTM D % 9.21% NA 1302 NA for App. Usage NA for App. Usage. NA for App. Usage. NA for App. Usage. NA for App. REINFORCEMENT GEOGRID - APL Company: Contech Engineered Solutions, LLC Date: 1/8/216 Product: E'GRID 22 by Contech Contact Person: Robert Morris Phone/email: 44-391-7615, rmorris@conteches.com Material