AASHTO NTPEP Rolled E rosion Product (R ECP) Test Report Manufacturer: Winters Excelsior Company, INC Plant Name: Winters Excelsior Company, INC Corporate Address: City/State/Zip: PO Box 39, Hwy 21 Plant Address: PO Box 39, Hwy 21 McWilliams, AL 36753 City/State/Zip: McWilliams, AL 36753 Corporate Contact: Philip Winters Plant Contact: Philip Winters Phone: 251-746-2173 Phone: 251-746-2173 Fax: 251-746-2579 Fax: 251-746-2579 E-mail: philip@wintersexcelsior.com E-mail: philip@wintersexcelsior.com NTPEP / Log Number: RECP (05-04) - 17 Product Identification: WinterStraw HV Bio Description: Double net straw temporary erosion control blanket Netting: Synthetic top and bottom nets (both with 0.5 inch square openings) Matrix/Fill: Stitching: 100% straw 100% Synthetic @ 1.5 in. transverse stitch spacing Test Results Test Method - Description Parameters ASTM D 6475 - Mass per Unit Area Index Test ASTM D 6818 Ultimate Tensile Strength / Strain - MD - TD Index Test ASTM D 6525 Thickness Index Test ASTM D 6567 - Ground Cover / Light Penetration Index Test ASTM D 1117 & ECTC-TASC 00197 - Water Absorption Index Test ECTC Method 2 - Determination of Unvegetated RECP 50 mm (2 in.) / hr for min. Ability to Protect Soil From Rain Splash and Associated 100 mm (4 in.) / hr for min. Under Bench-Scale Conditions ECTC Method 3 - Determination of Unvegetated RECP Ability to Protect Soil from Hydraulically-Induced Shear Stresses Under Bench-Scale Conditions Test Result 5.05 oz/sq.yd. 9.3 lb/in @ % 25.3 7.1 lb/in @ % 27.3 324 mils 76.9 % / % 23.1 344 % Soil Loss Ratio* = 4.64 Soil Loss Ratio* = 6.10 Soil Loss Ratio* = 8.01 150 mm (6 in.) / hr for min. Shear: 0.46 psf for min. Soil Loss = 55.0 g Shear: 1.03 psf for min. Soil Loss = 128.3 g Shear: 1.60 psf for min. Soil Loss = 551.7 g Soil loss curve intercept = 1.55 psf @ ½-in soil loss Top soil; Fescue (Kentucky 31); % Improvement 21 day incubation; 27±2 & = 280% approximately 45±5% RH (increased biomass) ECTC Draft Method 4 - Determination of Temporary Degradable RECP Performance in Encouraging Seed Germination and Plant Growth * Soil Loss Ratio = Soil Loss Bare Soil / Soil Loss with RECP = 1 / C-Factor (Note: soil loss is based on regression analysis)
Erosion Product Testing Summary ECTC Test Method #2: STANDARD INDEX TEST METHOD FOR the DETERMINATION of UNVEGETATED ROLLED EROSION CONTROL PRODUCT (RECP) ABILITY TO PROTECT SOIL FROM RAIN SPLASH AND ASSOCIATED RUNOFF UNDER BENCH-SCALE CONDITIONS Soil Loss Ratio* Based on Calculated Soil Loss Based Soil Loss Ratio* Based on 3:1 Slope Raw Soil Loss Data (g) Raw Data Regression Curve on Regression (g) Regression Surface Rain Intensity, mm/hr Rain Intensity, mm/hr Fitting Rain Intensity, mm/hr Rain Intensity, mm/hr Condition 50 100 150 50 100 150 50 100 150 50 100 150 CONTROL 48.0 125.6 272.5 20.766 0.0174 49.5 118.0 281.2 Winter Straw HV Bio 9.4 25.1.9 5.11 5.01 8.83 5.8818 0.0119 10.7 19.4 35.1 4.64 6.10 8.01 C-Factor 0.20 0.20 0.11 0.216 0.164 0.125 * soil loss ratio = soil loss of unprotected surface (I.e. control) divided by soil loss with protected surface = 1 / C-Factor RECP Erosion Product - Soil Loss vs. Intensity CONTROL AEC Premier Straw DN Expon. Power (CONTROL ) Expon. Power (AEC Premier Straw DN) Soil Loss (g) 0.0 250.0 200.0 150.0 100.0 50.0 0.0 y = 20.766e 0.1037x 0.0174x 1.5606 R 2 = 0.9961 0.9924 y = 5.8818e 0.1239x 0.0119x 1.1201 R 2 = 0.8766 0.957 0 20 40 60 80 100 120 140 160 Rainfall Intensity (mm/hr)
RECP Slope Simulation Test Client: NTPEP Mass/Area (osy) Mfr: Winters Excelsior, INC 5.05 TRI Log # E2231-05-04 Sample ID: WinterStraw HV Bio Slope = 3 TO 1 2 in/hr rainfall Buckets weighed and volume measured every 5 min Bucket 1 Bucket 2 Bucket 3 Test duration: min Mass Mass Mass 40 50 40 Soil only 5 10 15 20 25 Total Volume (ml) Volume (ml) 1 719 8.02 689 5.66 631 4.63 661 3.99 661 3.35 656 3.22 4017 2 912 16.51 909 11.19 867 8.78 859 6.62 967 6.5 925 6.26 5439 5061 3 1000 16.73 994 11.95 953 9.53 906 6.68 937 7.94 938 6.34 5728 Average 13.8 9.6 7.6 5.8 5.9 5.3 RECP Protected Total Volume (ml) Volume (ml) Mass Average Mass Average Mass Average Mass Average Mass Average 4498 Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) 3531 46 Cumulative 1 8.02 13.68 18.31 22.3 25.65 28.87 4889 soil loss 2 16.51 13.8 27.7 23.4 36.48 31.0 43.1 36.8 49.6 42.7 55.86 48.0 3 16.73 28.68 38.21 44.89 52.83 59.17 RECP over Soil Avg Mass/Area (osy): 5.05 Individual Individual Individual 5 10 15 20 25 Specimen Specimen Specimen Mass (g) Area (in2) Mass/Area (osy) 1 492 2.32 783 2.76 816 2.18 819 1.84 826 1.73 762 1.98 40 360 5.07 2 379 0.18 637 1.16 646 1.08 598 0.58 642 0.63 629 0.74 50 360 6.34 3 497 1.73 868 2.18 903 1.62 904 1.3 915 1.25 802 1.64 40 360 5.07 Average 1.4 2.0 1.6 1.2 1.2 1.5 Normalized Mass Average Mass Average Mass Average Mass Average Mass Average Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Cumulative 1 2.32 5.08 7.26 9.1 10.83 12.81 12.88 soil loss 2 0.18 1.4 1.34 3.4 2.42 5.1 3 6.3 3.63 7.5 4.37 9.0 5.49 9.38 3 1.73 3.91 5.53 6.83 8.08 9.72 9.77
RECP Slope Simulation Test Client: NTPEP Mass/Area (osy) Mfr: Winters Excelsior, INC 5.05 TRI Log # E2231-05-04 Sample ID: WinterStraw HV Bio Slope = 3 TO 1 4 in/hr rainfall Buckets weighed and volume measured every 5 min Bucket 1 Bucket 2 Bucket 3 Test duration: min Mass Mass Mass 45 50 40 Soil only 5 10 15 20 25 Total Volume Volume (ml) (ml) 1 831 20.15 1339 18.23 1323 18.52 1355 15.66 1359 13.58 1369 18.84 7576 2 1677 31.9 1925 29.59 1845 21.77 1827 18.26 1829 19.97 1831 22.55 10934 9448 3 1537 28.15 1344 23.28 1747 22.96 1726 16.19 1728 25.26 1751 12.04 9833 Average 26.7 23.7 21.1 16.7 19.6 17.8 RECP Protected Total Volume Volume (ml) (ml) Mass Average Mass Average Mass Average Mass Average Mass Average 8185 Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) 8060 8452 Cumulative 1 20.15 38.38 56.9 72.56 86.14 104.98 9111 soil loss 2 31.9 26.7 61.49 50.4 83.26 71.5 101.52 88.2 121.49 107.8 144.04 125.6 3 28.15 51.43 74.39 90.58 115.84 127.88 RECP over Soil Avg Mass/Area (osy): 5.05 Individual Individual Individual 5 10 15 20 25 Specimen Specimen Specimen Mass/Area Mass (g) Area (in2) (osy) 1 1104 5.65 1378 5.6 1372 4 1416 3.65 1481 3.08 1434 2.52 45 360 5.71 2 1068 5.69 1422 5.37 1414 2.89 1397 3.62 1456 3.72 13 2.62 50 360 6.34 3 1229 4.27 1550 4.33 1547 2.71 1568 2.52 1628 1.71 1589 1.79 40 360 5.07 Average 5.2 5.1 3.2 3.3 2.8 2.3 Normalized Mass Average Mass Average Mass Average Mass Average Mass Average Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Cumulative 1 5.65 11.25 15.25 18.9 21.98 24.5 27.70 soil loss 2 5.69 5.2 11.06 10.3 13.95 13.5 17.57 16.8 21.29 19.6 23.91 21.9.04 25.05 3 4.27 8.6 11.31 13.83 15.54 17.33 17.42
RECP Slope Simulation Test Client: NTPEP Mass/Area (osy) Mfr: Winters Excelsior, INC 5.05 TRI Log # E2231-05-04 Sample ID: WinterStraw HV Bio Slope = 3 TO 1 6 in/hr rainfall Buckets weighed and volume measured every 5 min Bucket 1 Bucket 2 Bucket 3 Test duration: min Mass Mass Mass 37.25 45.73 43.85 Soil only 5 10 15 20 25 Total Volume (ml) Volume (ml) 1 2033 45.07 2141 34.07 2134.05 2802 55.61 2154 31.25 2156 22.48 13420 2 2592 80.41 2766 68.85 2736 63.45 2139 29.92 2901 37.21 2729 47.65 15863 15046 3 2565 72.63 2699 55.12 2678 40.86 2665 42.78 2614 33.84 2633 26.33 15854 Average 66.0 52.7 44.8 42.8 34.1 32.2 RECP Protected Total Volume (ml) Volume (ml) Mass Average Mass Average Mass Average Mass Average Mass Average 9386 Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) 11924 11377 Cumulative 1 45.07 79.14 109.19 164.8 196.05 218.53 12822 soil loss 2 80.41 66.0 149.26 118.7 212.71 163.5 242.63 206.3 279.84 240.4 327.49 272.5 3 72.63 127.75 168.61 211.39 245.23 271.56 RECP over Soil Avg Mass/Area (osy): 5.05 Individual Individual Individual 5 10 15 20 25 Specimen Specimen Specimen Mass (g) Area (in2) Mass/Area (osy) 1 15 5.59 1628 4.27 1645 2.82 1555 2.41 1624 1.94 1629 2.02 37.25 360 4.73 2 1742 8.11 2068 4.53 1982 3.57 2029 2.83 2085 2.22 2018 2.47 45.73 360 5.80 3 1914 13.66 2228 8.44 2139 5 2151 5.3 2224 5.64 2166 5.06 43.85 360 5.56 Average 9.1 5.7 3.8 3.5 3.3 3.2 Normalized Mass Average Mass Average Mass Average Mass Average Mass Average Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Soil Loss(g) Cumulative 1 5.59 9.86 12.68 15.09 17.03 19.05 17.83 soil loss 2 8.11 9.1 12.64 14.9 16.21 18.7 19.04 22.2 21.26 25.4 23.73 28.6 27.27.86 3 13.66 22.1 27.1 32.4 38.04 43.1 47.49
Shear Stress vs Soil Loss WinterStraw HV Bio ECTC Test Method #3: STANDARD INDEX TEST METHOD FOR the DETERMINATION of UNVEGETATED ROLLED EROSION CONTROL PRODUCT (RECP) ABILITY TO PROTECT SOIL FROM HYDRAULICALLY-INDUCED SHEAR STRESSES UNDER BENCH-SCALE CONDITIONS 900.0 Sand only y = 8687.8x 1.4551 R 2 = 0.9872 y = 0.2712e 1.3519x R 2 = 0.9533 675.0 Soil Loss (g) 450.0 450 g = 1/2-in soil loss 225.0 Note: Shear stress ratio = 1.55 / 0.1 = 15.5 0.0 0 1 2 3 Shear Stress (psf)
RECP Channel Simulation Test soil only rpm soil loss(g) shear stress(psf) CLIENT: Winters Excelsior, INC 16 728 0.188 TRI Log # E2231-05-04 20 1292 0.256 Sample ID: WinterStraw HV Bio 27 2387 0.42 RECP over soil soil only Test duration: min RADIUS = 11 RPM: 13 SQ FT = 0.4295 slope 7063.41 Shear Stress (psf): 0.46 intercept -565.26 R squared 1.00 Average Shear = 0-565.26 Mass(g) prior to test Mass(g) post test Soil loss(g) Soil loss(g) Shear = 0.50 2966.44 1 3790 3725 65 450 0.14 = 1/2-inch intercept 2 3935 3860 75 55.0 3 3905 3880 25 recp rpm soil loss(g) shear stress(psf) 13 55.0 0.46 RECP over soil 18 128.3 1.03 23 551.7 1.6 Test duration: min 7.56 19.59 RPM: 18 450.33 1.55 Shear Stress (psf): 1.03 Average Mass(g) prior to test Mass(g) post test Soil loss(g) Soil loss(g) 1 3895 3775 120 2 3925 3760 165 128.3 3 3740 3640 100 RECP over soil Test duration: min RPM: 23 Shear Stress (psf): 1.6 Average Mass(g) prior to test Mass(g) post test Soil loss(g) Soil loss(g) 1 4010 3615 395 2 39 31 800 551.7 3 3935 3475 460 Comments: Buckets weighed under water
Property Units Day Plant Mass per Area Germination / Vegetation Growth Summary ECTC Test Method #4: STANDARD INDEX TEST METHOD FOR the DETERMINATION of TEMPORARY DEGRADABLE RECP PERFORMANCE IN ENCOURAGING SEED GERMINATION AND PLANT GROWTH Seeds Germinated per Area Average Plant Height # per 4 sq.in. inch Winter Straw HV Bio 0 0.00 0.00 7 0.00 0.00 14 1.67 0.33 21 5.89 9.00 0 0.00 0.00 7 0.00 0.00 14 1.72 1.57 21 2.20 1.64 mg per 4 sq.in. 21 6.73 18.86 Property Units Day Seeds Germinated per Area Average Plant Height % Improvement vs. % Improvement vs. Winter Straw HV BIo 7 - - 14 1 20% 21 1 153% 7 - - 14 1 91% 21 1 74% Plant Mass per Area % Improvement vs. 21 1 280%
RECP Germination Date Client TRI Log # Sample ID 6/2/05 Winters Excelsior, INC E2231-05-04 WinterStraw HV Bio Top Thin layer of top soil 175 seeds 4" layer top soil Bottom RECP PROTECTED Day 7 Day 14 Day 21 Bucket 1 Bucket 2 Bucket 3 Bucket 1 Bucket 2 Bucket 3 Bucket 1 Bucket 2 Bucket 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 Number of Germinated Seeds Number of Germinated Seeds Number of Germinated Seeds 0 0 0 0 0 0 0 0 0 0 0 0 3 0 0 0 0 0 1 10 6 13 11 6 20 10 4 Average per square Average per square Average per square 0.0 0.3 9.0 Height of Germinated Plants Height of Germinated Plants Height of Germinated Plants 0.7 1.7 2.4 2.2 1.5 1 1.1 2.5 0.9 0.8 0.8 1.6 2 1.7 1.4 1.7 1.8 1.1 1.3 3.2 1.8 1.8 2.1 2 1.3 2.5 1.6 0.7 1.8 1.3 1.2 2 1.4 1.6 1.2 0.6 1.5 0.9 1.3 2.5 1 1.7 2.2 1.7 1.2 2.1 1.6 2.5 1.5 1.2 1.8 2.2 1.5 1.4 0.7 1.3 2.3 1.9 1.9 2 1 2.4 2.4 1.5 1.6 1.6 2.2 2.5 1.9 1.9 6.1 1.4 1.8 2 2.8 3.1 2 2.1 2.4 3.1 2 1.3 1.2 1.2 Average height of plants in each 2" square Average height of plants in each 2" square Average height of plants in each 2" square 1.6 1.7 1.7 1.6 2.3 1.8 1.5 1.9 1.4 0.9 Average height of plants in each bucket Average height of plants in each bucket Average height of plants in each bucket 1.6 1.6 1.9 1.4 Average height of plants of Sample Average height of plants of Sample Average height of plants of Sample 0.0 1.6 1.6 Mass(mg) of plants in each 2" square 0.5 10 3.1.3 26.8 20.6 33.7 25 19.7 Average per square 18.9 Total mass(mg) of plants in each bucket 13.6 77.7 78.4 Total mass(mg) of plants for sample 169.7 Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Temp (27 +/- 2 C) 26.9 26.6 26.3 27 25.5 26.8 26.6 26.7 26.4 26.3 26.4 27.1 27.4 26.8 26.7 Humidity (45 +/- 5 % RH) 42 38 37 36 41 38 40 43 37 40 37 42 38 41 43 Light Intensity (900 +/- 100 ft-cd) 798 815 837 820 832 840 827 848 852 841 852 857 842 839 839 Water Added (ml) 500 400 400
RECP Germination Date Client TRI Log # Sample ID 5/24/05 Winters Excelsior, INC E2231-05-04 Top Bottom Thin layer of top soil 175 seeds 4" layer top soil Day 7 Day 14 Day 21 Bucket 1 Bucket 2 Bucket 3 Bucket 1 Bucket 2 Bucket 3 Bucket 1 Bucket 2 Bucket 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 Number of Germinated Seeds Number of Germinated Seeds Number of Germinated Seeds 0 0 0 0 0 0 0 0 0 3 5 5 1 1 0 0 0 0 3 11 15 9 3 11 1 0 0 Average per square Average per square Average per square 0.0 1.7 5.9 Height of Germinated Plants Height of Germinated Plants Height of Germinated Plants 1.5 2 2.4 1.9 1.5 2.4 1.6 1.7 2.3 1.4 2.4 2.8 0.7 2 1 2.2 1.6 1.8 1.6 3.4 1.1 1.8 1.9 2.3 1.1 2.3 1 1.6 1.1 1.2 1.6 2.3 2 2.1 1.2 1.7 1.5 2.3 3.3 2.6 1.9 2 3 2.6 1.4 2.4 3.2 3.3 1.9 2.3 1.3 3.5 0.7 2.5 1.2 1.1 0.8 1.6 1 3 2.2 0.7 1.8 2.6 2.1 2.1 2.5 1.2 Average height of plants in each 2" square Average height of plants in each 2" square Average height of plants in each 2" square 1.3 1.8 2.1 1.9 1.5 1.9 1.9 2.2 1.5 2.0 2.0 2.8 Average height of plants in each bucket Average height of plants in each bucket Average height of plants in each bucket 1.7 1.7 2.0 1.8 2.8 Average height of plants of Sample Average height of plants of Sample Average height of plants of Sample 0.0 1.7 2.2 Mass(mg) of plants in each 2" square 3.3 8.4 11.9 7.9 9.4 15.1 4.6 0 0 Average per square 6.7 Total mass(mg) of plants in each bucket 23.6 32.4 4.6 Total mass(mg) of plants for sample 60.6 Day 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Temp (27 +/- 2 C) 26.2 26.4 26.2 27.2 27 26.9 27.8 27.5 26.5 26.3 26.7 26.9 27.3 26.1 28.4 27.2 Humidity (45 +/- 5 % RH) 38 39 40 40 40 39 41 41 39 40 40 40 43 41 34 38 Light Intensity (900 +/- 100 ft-cd) 768 813 820 835 850 840 835 850 840 835 850 860 870 835 840 850 Water Added (ml) 500 400 400