AASHTO NTPEP Rolled E rosion Control Product (R ECP) Test Report

Transcription

1 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 City/State/Zip: McWilliams, AL Corporate Contact: Philip Winters Plant Contact: Philip Winters Phone: Phone: Fax: Fax: philip@wintersexcelsior.com 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% 1.5 in. transverse stitch spacing Test Results Test Method - Description Parameters ASTM D 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 Ground Cover / Light Penetration Index Test ASTM D 1117 & ECTC-TASC 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 % % mils 76.9 % / % % Soil Loss Ratio* = 4.64 Soil Loss Ratio* = 6.10 Soil Loss Ratio* = 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 = g Shear: 1.60 psf for min. Soil Loss = g Soil loss curve intercept = 1.55 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)

2 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 CONTROL Winter Straw HV Bio C-Factor * 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) y = e x x R 2 = y = e x x R 2 = Rainfall Intensity (mm/hr)

3 RECP Slope Simulation Test Client: NTPEP Mass/Area (osy) Mfr: Winters Excelsior, INC 5.05 TRI Log # E 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 Soil only Total Volume (ml) Volume (ml) Average 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) Cumulative soil loss RECP over Soil Avg Mass/Area (osy): 5.05 Individual Individual Individual Specimen Specimen Specimen Mass (g) Area (in2) Mass/Area (osy) Average 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 soil loss

4 RECP Slope Simulation Test Client: NTPEP Mass/Area (osy) Mfr: Winters Excelsior, INC 5.05 TRI Log # E 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 Soil only Total Volume Volume (ml) (ml) Average 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) Cumulative soil loss RECP over Soil Avg Mass/Area (osy): 5.05 Individual Individual Individual Specimen Specimen Specimen Mass/Area Mass (g) Area (in2) (osy) Average 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 soil loss

5 RECP Slope Simulation Test Client: NTPEP Mass/Area (osy) Mfr: Winters Excelsior, INC 5.05 TRI Log # E 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 Soil only Total Volume (ml) Volume (ml) Average 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) Cumulative soil loss RECP over Soil Avg Mass/Area (osy): 5.05 Individual Individual Individual Specimen Specimen Specimen Mass (g) Area (in2) Mass/Area (osy) Average 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 soil loss

6 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 Sand only y = x R 2 = y = e x R 2 = Soil Loss (g) g = 1/2-in soil loss Note: Shear stress ratio = 1.55 / 0.1 = Shear Stress (psf)

7 RECP Channel Simulation Test soil only rpm soil loss(g) shear stress(psf) CLIENT: Winters Excelsior, INC TRI Log # E Sample ID: WinterStraw HV Bio RECP over soil soil only Test duration: min RADIUS = 11 RPM: 13 SQ FT = slope Shear Stress (psf): 0.46 intercept R squared 1.00 Average Shear = Mass(g) prior to test Mass(g) post test Soil loss(g) Soil loss(g) Shear = = 1/2-inch intercept recp rpm soil loss(g) shear stress(psf) RECP over soil Test duration: min RPM: Shear Stress (psf): 1.03 Average Mass(g) prior to test Mass(g) post test Soil loss(g) Soil loss(g) 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) Comments: Buckets weighed under water

8 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 mg per 4 sq.in Property Units Day Seeds Germinated per Area Average Plant Height % Improvement vs. % Improvement vs. Winter Straw HV BIo % % % % Plant Mass per Area % Improvement vs %

9 RECP Germination Date Client TRI Log # Sample ID 6/2/05 Winters Excelsior, INC E 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 Number of Germinated Seeds Number of Germinated Seeds Number of Germinated Seeds Average per square Average per square Average per square Height of Germinated Plants Height of Germinated Plants Height of Germinated Plants Average height of plants in each 2" square Average height of plants in each 2" square Average height of plants in each 2" square Average height of plants in each bucket Average height of plants in each bucket Average height of plants in each bucket Average height of plants of Sample Average height of plants of Sample Average height of plants of Sample Mass(mg) of plants in each 2" square Average per square 18.9 Total mass(mg) of plants in each bucket Total mass(mg) of plants for sample Day Temp (27 +/- 2 C) Humidity (45 +/- 5 % RH) Light Intensity (900 +/- 100 ft-cd) Water Added (ml)

10 RECP Germination Date Client TRI Log # Sample ID 5/24/05 Winters Excelsior, INC E 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 Number of Germinated Seeds Number of Germinated Seeds Number of Germinated Seeds Average per square Average per square Average per square Height of Germinated Plants Height of Germinated Plants Height of Germinated Plants Average height of plants in each 2" square Average height of plants in each 2" square Average height of plants in each 2" square Average height of plants in each bucket Average height of plants in each bucket Average height of plants in each bucket Average height of plants of Sample Average height of plants of Sample Average height of plants of Sample Mass(mg) of plants in each 2" square Average per square 6.7 Total mass(mg) of plants in each bucket Total mass(mg) of plants for sample 60.6 Day Temp (27 +/- 2 C) Humidity (45 +/- 5 % RH) Light Intensity (900 +/- 100 ft-cd) Water Added (ml)