STRATA SYSTEMS INC.- Geogrid Product Data

 _______________________________________________________________________                                                                          
|Product Name    |Stratagrid|Stratagrid|Stratagrid|Stratagrid|Stratagrid| 
|                |   200    |   300    |   400    |   500    |   600    |
|________________|__________|__________|__________|__________|__________|
|Manufacturing   | knitted  | knitted  |  knitted | knitted  | knitted  |
|Process         |          |          |          |          |          |
|________________|__________|__________|__________|__________|__________|
|Coating         |          |          |          |          |          |
|________________|__________|__________|__________|__________|__________|
|Polymer         |  PET     |  PET     |  PET     |  PET     |  PET     |
|________________|__________|__________|__________|__________|__________|
|Mass/Unit Area  |          |          |          |          |          |
|    g/m2        |  243.7   |  195.4   |  465.4   |   338.5  |  429     |
|   (oz/sy)      |  (7.2)   |  (5.8)   | (13.7)   |  (10.0)  | (12.7)   |
|________________|__________|__________|__________|__________|__________|
|Aperature Size  |          |          |          |          |          |
|  mm(in)        |          |          |          |          |          |
|                |  19.1    |  15.2    |  25.0    |   25.4   |   23     |
|   MD           | (0.75)   | (0.60)   | (0.99)   |  (1.00)  |  (0.96)  |
|   XD           |  18.3    |  39.6    |  24.7    |   58.4   |   53.1   |
|                | (0.72)   | (1.56)   | (0.97)   |  (2.30)  |  (2.09)  |
|________________|__________|__________|__________|__________|__________|
|Wide Width      |          |          |          |          |          |
|Tensile Strength|          |          |          |          |          |
|ASTM D4595      |          |          |          |          |          |
|  kN/M (lb/ft)  |          |          |          |          |          |
|  % Elong.      |          |          |          |          |          |
|@ 5% Strain     |   10     |    11    |   15.9   |   15.9   |   21     |
|   MD           |  (686)   |  (730)   |  (1100)  |  (1100)  |  (1450)  |           
|   XD           |   4.4    |    3.6   |   13.0   |   6.5    |   6.5    |
|                |  (303)   |   (250)  |  (890)   |  (450)   |  (450)   |
|________________|__________|__________|__________|__________|__________|
|@ Ultimate      |   30.5   |    42    |    61    |    61    |    95    |
|   MD           |  (2090)  |  (2900)  |  (4200)  |  (4200)  |  (6500)  |                     |
|   XD           |   23.3   |   14.6   |    52    |    26    |    26    |
|                |  (1600)  |  (1000)  |  (3600)  |  (1800)  |  (1800)  |
|________________|__________|__________|__________|__________|__________|
|Long Term Design|          |          |          |          |          |
|Strength - Tal  |          |          |          |          |          |
|GRI GG4- in sand|   15.4   |   21.2   |   30.8   |   30.8   |   47.9   |
|   kN/M (lb/ft) |  (1056)  |  (1460)  |  (2120)  |  (2120)  |  (3280)  |          |
|________________|__________|__________|__________|__________|__________|
|Man. Suggested  |          | walls    |          | walls    | walls    |
|Applications    | slopes   | slopes   |          | slopes   | slopes   |
|                | embank.  | embank.  | embank.  | embank   | embank   |
|________________|__________|__________|__________|__________|__________|

STRATA SYSTEMS INC.- Geogrid Product Data (Con't)

 ________________________________
|Product Name    |Stratagrid 700 |
|________________|_______________|
|Manufacturing   |    knitted    |
|Process         |               |
|________________|_______________|
|Coating         |     PVC       |
|________________|_______________|
|Polymer         |     PET       |
|________________|_______________|
|Mass/Unit Area  |               |
|    g/m2        |     521.1     |
|   (oz/sy)      |    (15.4)     |
|________________|_______________|
|Aperature Size  |               |
|  mm(in)        |               |
|                |     22.9      |
|   MD           |    (0.9)      |
|   XD           |     59.4      |
|                |    (2.34)     |
|________________|_______________|
|Wide Width      |               |
|Tensile Strength|               |
|ASTM D4595      |               |
|  kN/M (lb/ft)  |               |
|  % Elong.      |               |
|                |               |
|@ 5% Strain     |      32       |
|   MD           |    (2200)     |
|   XD           |      6.5      |
|                |     (450)     |
|________________|_______________|
|@ Ultimate      |      146      |
|   MD           |    (10000)    |
|   XD           |       26      |
|                |    (1800)     |
|________________|_______________|
|Long Term Design|               |
|Strength - Tal  |               |
|GRI GG4- in sand|       73.7    |
|   kN/M (lb/ft) |      (5050)   |
|________________|_______________|
|Man. Suggested  |      walls    |
|Applications    |      slopes   |
|                |      embank.  |
|________________|_______________|