AASHTO NTPEP Rolled Erosion Control Product (RECP) Test …08-01)-12-EastCoastErosion... · erosion control blanket. Index Test Index Test Index Test ... Elongation @ Max. ... STANDARD

East Coast Erosion Blankets East Coast Erosion Blankets

443 Bricker Road 443 Bricker RoadBernville, PA 19506 Bernville, PA 19506

Diane Hitt Diane HittPhone: 610-488-8496 Phone: 610-488-8496Fax: 610-488-8494 Fax: 610-488-8494E-mail: [email protected] E-mail: [email protected]

NTPEP / Log Number: RECP (08-01)- 12

Product Identification: ECC-2B

Description:

Netting:

Matrix/Fill: 100% coconut

Stitching:

10.69 oz/sq.yd.21.2 lb/in @ % 10.915.0 lb/in @ % 17.9

233 mils85.4 % / % 14.6

170 %Soil Loss Ratio* = 14.24Soil Loss Ratio* = 18.58Soil Loss Ratio* = 24.25

Shear: 1.33 psf for 30 min. Soil Loss = 68.3 gShear: 1.94 psf for 30 min. Soil Loss = 178.3 gShear: 2.56 psf for 30 min. Soil Loss = 346.7 g

2.72 psf @ ½-in soil loss

= 414%

- TDASTM D 6525 – Thickness

August 2008

100% Organic @ 1.5 in. transverse stitchspacing

AASHTO NTPEPRolled Erosion Control Product (RECP)

Test Report

Organic leno weave jute top and bottom netseach with 0.5 x 1.0 inch rectangular openings

Biodegradable double net coconut temporaryerosion control blanket.

Index Test

Index Test

Index Test

ParametersIndex Test

Index Test

Test ResultsTest Result

ASTM D 6475 - Mass per Unit AreaTest Method - Description

ASTM D 1117 & ECTC-TASC 00197 - Water AbsorptionASTM D 6567 - Ground Cover / Light Penetration

ASTM D 6818 – Ultimate Tensile Strength / Strain -

* Soil Loss Ratio = Soil Loss Bare Soil / Soil Loss with RECP = 1 / C-Factor (Note: soil loss is based on regression analysis)

50 mm (2 in.) / hr for 30 min.

ECTC Method 3 - Determination of Unvegetated RECPAbility to Protect Soil from Hydraulically-Induced ShearStresses Under Bench-Scale Conditions

ECTC Draft Method 4 - Determination of TemporaryDegradable RECP Performance in Encouraging SeedGermination and Plant Growth

ECTC Method 2 - Determination of Unvegetated RECPAbility to Protect Soil From Rain Splash and AssociatedRunoff Under Bench-Scale Conditions 150 mm (6 in.) / hr for 30 min.

% Improvement

(increased biomass)

100 mm (4 in.) / hr for 30 min.

Soil loss curve intercept =Top soil; Fescue (Kentucky 31);

21 day incubation; 27±2° &approximately 45±5% RH

Manufacturer: Plant Name:

Corporate Address: Plant Address:

Plant Contact:

City/State/Zip:City/State/Zip:

Corporate Contact:

ROLLED EROSION CONTROL PRODUCT TEST RESULTSClient: NTPEP

Material: Material: Rolled Erosion Control Product (RECP)Manufacturer: East Coast Erosion BlanketsSample ID: ECC-2BTRI Log #: E2280-14-05

STD.PARAMETER TEST REPLICATE NUMBER MEAN DEV.

Tensile Properties 1 2 3 4 5 6 7 8 9 10(ASTM D 6818)

MD - Maximum Load (lb/in) 18.7 26.3 16.1 21.6 23.6 21.2 4.0TD - Maximum Load (lb/in) 20.4 14.7 13.7 11.4 15.1 15.0 3.3

MD - Elongation @ Max. Load (%) 10.7 10.7 11.3 10.0 12.0 10.9 0.8TD - Elongation @ Max. Load (%) 15.3 19.3 18.7 18.0 18.0 17.9 1.5

Thickness (ASTM D 6525)

Thickness (mils) 242 258 226 239 222 209 257 252 215 211 233 19

Water Absorption (ASTM D 1117/ECTC TASC 00197)

Pre-Soak Weight (grams) 22.9 25.1 23.7 18.6 24.7 23.0 2.3Post-Soak Weight (grams) 65.0 74.7 59.1 51.0 60.3 62.0 7.8

Weight Change (grams) 42.1 49.6 35.4 32.4 35.6 39.0 6.2% Weight Change 183.6 197.5 149.4 174.2 144.1 169.7 20.3

Light Penetration (ASTM D 6567)

Baseline Reading 321 321 321 321 321 321 0Reading with sample 43 70 41 32 49 47 14

% Light Penetration 13.4 21.8 12.8 10.0 15.3 14.6 4.4% Ground Cover 86.6 78.2 87.2 90.0 84.7 85.4 4.4

Mass/Unit Area (ASTM D 6475)

Mass of 12 x 14 in specimen (g) 33.6 36.33 37.05 49.52 40.13Mass/unit area (oz/sq.yd) 9.13 9.88 10.07 13.46 10.91 10.69 1.50Mass/unit area (g/sq. meter) 310 335 342 457 370 363 51

MD Machine DirectionTD Machine Direction

The testing herein is based upon accepted industry practice as well as the test method listed. Test results reported herein do not applyto samples other than those tested. TRI neither accepts responsibility for nor makes claim as to the final use and purpose of the material.TRI observes and maintains client confidentiality. TRI limits reproduction of this report, except in full, without prior approval of TRI.

3:1 Slope

50 100 150 50 100 150 50 100 150 50 100 150

CONTROL 44.8 124.5 237.2 20.743 0.0167 47.7 109.8 252.6

ECC-2B 3.0 7.5 9.3 15.05 16.63 25.63 1.9012 0.0113 3.4 5.9 10.4 14.24 18.58 24.25

C-Factor 0.07 0.06 0.04 0.070 0.054 0.041

Erosion Control Product Testing Summary

Calculated Soil Loss Basedon Regression (g)

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

ECTC Test Method #2:

* soil loss ratio = soil loss of unprotected surface (I.e. control) divided by soil loss with protected surface = 1 / C-Factor

Soil Loss Ratio* Based onRegression

SurfaceCondition

Rain Intensity, mm/hr Rain Intensity, mm/hr Rain Intensity, mm/hr Rain Intensity, mm/hr

Raw Soil Loss Data (g) Soil Loss Ratio* Based onRaw Data Regression Curve

Fitting

RECP Erosion Control Product - Soil Loss vs. Intensity

y = 0.12x1.5123

R20.9996 =

y = 0.0487x1.0643

R20.9618 =

0.0

50.0

100.0

150.0

200.0

250.0

0 20 40 60 80 100 120 140 160

Rainfall Intensity (mm/hr)

So

ilL

oss

(g)

CONTROL ECC-2B Power (CONTROL ) Power (ECC-2B)

RECP Erosion Control Product - Soil Loss vs. Intensity

y = 20.743e0.0167x

R2 = 0.9832

y = 1.9012e0.0113x

R2 = 0.8844

0.0

50.0

100.0

150.0

200.0

250.0

300.0

0 20 40 60 80 100 120 140 160

Rainfall Intensity (mm/hr)

So

ilL

oss

(g)

CONTROL ECC-2B Expon. (CONTROL ) Expon. (ECC-2B)

Client: NTPEP Mass/Area (osy)Mfr: East Coast Erosion Blankets 10.69

TRI Log # E2280-14-05Sample ID: ECC-2B

Slope = 3 TO 1

2 in/hr rainfallBuckets weighed and volume measured every 5 min Bucket 1 Bucket 2 Bucket 3Test duration: 30 min Mass Mass Mass

94.72 92.35 86.36

Time(min)

Bucket No.Runoff

Volume (ml) Mass(g)Runoff





Volume (ml) Mass(g)Total RunoffVolume (ml)

Average TotalRunoff Volume

(ml)1 374 8.06 428 9.08 454 9.14 428 7.24 556 7.28 437 9.08 26782 395 9.43 485 10.16 460 8.01 442 7.02 372 8.37 471 6.21 2623 25703 328 5.21 409 6.30 423 6.49 406 5.54 412 5.97 432 5.86 2410

Average 7.6 8.5 7.9 6.6 7.2 7.1

Time(min)Total RunoffVolume (ml)


(ml)Mass Average Mass Average Mass Average Mass Average Mass Average Total Average 2545

Bucket No. 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) 2593 2515Cumulative 1 8.06 17.15 26.29 33.52 40.80 49.88 2408

soil loss 2 9.43 7.6 19.59 16.1 27.60 24.0 34.62 30.6 42.99 37.8 49.20 44.83 5.21 11.51 18.00 23.54 29.51 35.38

Avg Mass/Area (osy): 10.69

Time(min)

Bucket No.Runoff






Volume (ml) Mass(g)1 263 1.14 427 0.67 433 0.22 458 0.09 469 0.08 496 0.01 94.72 360 12.022 275 1.82 422 0.83 422 0.29 460 0.21 485 0.12 529 0.09 92.35 360 11.723 261 0.92 398 0.55 417 0.36 445 0.25 432 0.03 455 0.59 86.36 360 10.96

Average 1.3 0.7 0.3 0.2 0.1 0.2

Time(min)Mass Average Mass Average Mass Average Mass Average Mass Average Total Average Total Average

Bucket No. 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 1.14 1.81 2.03 2.12 2.20 2.21 2.48

soil loss 2 1.82 1.3 2.65 2.0 2.94 2.3 3.15 2.5 3.27 2.5 3.36 2.8 3.68 2.983 0.92 1.47 1.83 2.08 2.11 2.70 2.77

Control

RECP Protected

5 10 15 20 25 30

IndividualSpecimenMass (g)

IndividualSpecimenArea (in2)

IndividualSpecimen

Mass/Area (osy)

30 Normalized

30

5 10 15 20 25 30

5 10 15

RECP over Soil

25

20 25

10 15 20

RECP Slope Simulation Test

Soil only

305



Slope = 3 TO 1


132.19 123.1 77.32

Time(min)

Bucket No.Runoff








(ml)1 946 29.12 1027 22.64 827 15.42 847 17.52 1009 22.43 847 16.48 55042 876 33.43 943 26.17 828 19.86 810 17.25 941 22.90 829 19.64 5228 54253 911 27.35 1026 23.94 862 16.70 865 15.67 1007 14.97 872 12.02 5542

Average 30.0 24.3 17.3 16.8 20.1 16.0




Bucket No. 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) 5424 5364Cumulative 1 29.12 51.76 67.18 84.70 107.13 123.61 5224

soil loss 2 33.43 30.0 59.60 54.2 79.46 71.5 96.71 88.4 119.61 108.5 139.26 124.53 27.35 51.29 67.99 83.66 98.63 110.65


Time(min)

Bucket No.Runoff






Volume (ml) Mass(g)1 767 1.08 944 0.97 961 0.72 991 0.84 1042 0.45 738 0.42 132.19 360 16.772 901 0.92 899 0.76 946 0.72 1091 0.70 854 0.45 733 0.37 123.1 360 15.623 787 1.19 861 6.75 989 0.89 1248 0.97 778 0.46 562 0.32 77.32 360 9.81

Average 1.1 2.8 0.8 0.8 0.5 0.4


Bucket No. 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 1.08 2.05 2.77 3.61 4.06 4.48 7.03

soil loss 2 0.92 1.1 1.68 3.9 2.40 4.7 3.10 5.5 3.55 6.0 3.92 6.3 5.73 7.493 1.19 7.94 8.83 9.80 10.26 10.58 9.71

Control

RECP Protected

5 10 15 20 25 30

3025



IndividualSpecimenMass/Area

(osy)

30 Normalized

15 20


Soil only

5 10 15 20

RECP over Soil

255 30

5 10 15 20 25 30

10



Slope = 3 TO 1


103.4 114.32 100.57

Time(min)

Bucket No.Runoff








(ml)1 1421 53.29 1609 50.74 1567 33.61 1572 41.11 1613 34.56 1554 29.42 93362 1459 42.28 1767 51.8 1639 33.81 1760 35.83 1668 38.39 1603 27.92 9896 94693 1579 52.01 1672 52.83 1490 39.78 1476 33.89 1501 34.64 1458 25.83 9176

Average 49.2 51.8 35.7 36.9 35.9 27.7




Bucket No.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) 9460 9604Cumulative 1 53.29 104.03 137.64 178.75 213.31 242.73 9660

soil loss 2 42.28 49.2 94.08 101.0 127.89 136.7 163.72 173.7 202.11 209.5 230.03 237.23 52.01 104.84 144.62 178.51 213.15 238.98


Time(min)

Bucket No.Runoff






Volume (ml) Mass(g)1 1314 3.51 1657 2.09 1729 1.22 1651 1.17 1620 0.89 1722 0.63 103.4 360 13.122 1283 2.46 1554 1.23 1698 0.43 1702 0.74 1562 0.45 1661 0.31 114.32 360 14.503 1131 2.00 1708 1.76 1800 1.17 1537 0.85 1721 0.66 1763 0.66 100.57 360 12.76

Average 2.7 1.7 0.9 0.9 0.7 0.5


Bucket No.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 3.51 5.60 6.82 7.99 8.88 9.51 11.67

soil loss 2 2.46 2.7 3.69 4.4 4.12 5.3 4.86 6.2 5.31 6.9 5.62 7.4 7.62 9.263 2.00 3.76 4.93 5.78 6.44 7.10 8.47

Control

RECP Protected

5 10 15 20 25 30



IndividualSpecimen

Mass/Area (osy)

30 Normalized

30

5 10 15 20 25 30

5 10 15

RECP over Soil

25

20 25

10 15 20


Soil only

305

Shear Stress vs Soil Loss

y = 12.441e1.3196x

R2 = 0.9882

y = 8687.8x1.4551

R2 = 0.9872

0.0

225.0

450.0

675.0

900.0

0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5

Shear Stress (psf)

So

ilL

oss

(g)

Sand only

450 g = 1/2-in soil loss

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

Note: Shear stress ratio = 2.72 / 0.1 = 27.2

ECC-2B

rpm soil loss(g) shear stress(psf)CLIENT: East Coast Erosion Blankets 16 728 0.188TRI Log # E2280-14-05 20 1292 0.256Sample ID: ECC-2B 27 2387 0.42

RECP over soil

Test duration: 30 min RADIUS = 11RPM: 20 SQ FT = 0.4295 slope 7063.41Shear Stress (psf): 1.33 intercept -565.26

R squared 1.00Average Shear = 0 -565.26

Bucket No. Mass(g) prior to test Soil loss(g) Shear = 0.50 2966.441 3730 450 0.14 = 1/2-inch intercept2 3900 68.33 3910

rpm soil loss(g) shear stress(psf)20 68.3 1.33

RECP over soil 25 178.3 1.9430 346.7 2.56

Test duration: 30 min 3.74 12.44RPM: 25 450.51 2.72Shear Stress (psf): 1.94

AverageBucket No. Mass(g) prior to test Soil loss(g)

1 40152 3965 178.33 3870

RECP over soil

Test duration: 30 minRPM: 30Shear Stress (psf): 2.56

AverageBucket No. Mass(g) prior to test Soil loss(g)

1 38902 3960 346.73 4030

Comments: Buckets weighed under water

recp

soil only

3790 175

Mass(g) post test Soil loss(g)3755 260

3860 50

soil only

3770 100

RECP Channel Simulation Test

Mass(g) post test Soil loss(g)3660 703815 85

Mass(g) post test Soil loss(g)3430 4603690 2703720 310

Property Units Day Control ECC-2B0 0.00 0.007 3.78 10.5614 7.78 12.7821 8.11 13.560 0.00 0.007 1.60 1.6814 2.58 3.7421 3.82 5.14

Plant Massper Area

mg per 4 sq.in. 21 13.09 54.20

Property Units Day Control ECC-2B7 - -14 1 164%

21 1 167%

7 - -14 1 145%

21 1 135%

Plant Massper Area

% Improvement vs.Control

21 1 414%

AveragePlant Height


AveragePlant Height

inch

SeedsGerminated

per Area



STANDARD INDEX TEST METHOD FOR the DETERMINATION ofTEMPORARY DEGRADABLE RECP PERFORMANCE IN

ENCOURAGING SEED GERMINATION AND PLANT GROWTH

Germination / Vegetation Growth Summary

SeedsGerminated

per Area# per 4 sq.in.

DateClient Top

TRI Log #Sample ID

Bottom

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

13 6 9 14 5 10 9 13 16 16 11 12 13 6 10 14 16 17 16 12 12 15 7 10 14 16 20

1.9 1.4 1.6 1.7 3.3 0.4 0.4 1.8 1.3 4.9 3.4 0.4 4 6 1.7 5 3.4 3.5 5.1 3.9 4.3 5.2 11.5 2.3 6.1 3.9 6.31.1 1.9 0.3 2.3 2.2 1.9 1.5 2.1 2.2 3 4.9 5.1 3.9 3.4 3.9 1.9 2.4 4.4 3.7 5.9 6 6.9 5.7 6.4 4.2 1.2 1.82.6 2 2.1 1.3 1.5 2.8 3 0.1 1.3 6.3 5.1 1.3 4.6 4.3 4.6 4.4 1 2.7 2.2 2.3 3.6 6 5.1 7.6 7.1 3.1 7.72.4 1.4 0.8 2.3 1 2.1 2.7 0.9 0.4 1.2 4.6 3.1 4.9 2.5 5.3 3.5 1.3 3.1 7.2 4.2 4.3 7.7 1 5.8 5.4 5.2 4.51.4 2.5 1 1.8 2.4 2.6 1.3 2.5 1.4 5 3.7 4.4 4.4 1.1 4.1 5.9 4.4 4.1 8.5 5.4 6.9 5.2 9.3 6.8 8.2 5.2 40.9 2.4 0.6 2.2 0.3 0.7 0.9 1.7 3.9 5.1 2.5 4.6 5.7 2 3 5.1 4.9 5.6 5.1 3.6 7.6 5.1 6.4 2.9 3.5 5.32.3 0.6 0.5 1.7 1.7 2.5 2.1 3.4 5.7 2.6 4.1 3.1 1.1 3 4.6 4.7 5.7 6.7 5.9 1.8 4.1 5.5 5.3 5.72 2.1 2 1.6 1.3 1.7 1.8 5.3 2.9 3.2 4.6 3.7 3.3 5 3.7 4 4 6 6.6 4 6.3 5.2 3

1.4 2 1.3 0.2 0.8 1.9 2.2 5.4 2.3 2.1 4.9 3 0.7 5.2 4.5 6 7 3.3 6.2 3.9 3.6 7.9 5.22.7 1.1 2.4 0.7 1.4 2.9 1.2 3.6 3.7 5.1 4.4 2.6 5.4 8.7 4.6 4.4 5.8 6.8 2.7 2.9 4.72 1.6 2.2 2.7 3.5 1.8 5.7 3.2 3 4.5 5.5 7.4 3.5 6.5 5 4 4.7 5.9

2.5 1.5 1 1.8 5.8 3.9 3.1 2.7 4.7 4.2 3.8 3.6 5.1 5.2 2.6 5.4 7.21.6 0.4 2.2 2.2 4.6 4.4 1.5 3.7 5 3.7 0.8 2.8 5.3 4.8

2.2 1.1 2.3 4.6 4.3 2.6 5.9 3.7 5.5 4.7 6.61.9 4.9 3.4 4.1 5.4 6.6 5.5 5.52.1 3.8 5.2 2.6 4.1 3.9 2.8

4.2 4.86.46.15.9

1.9 1.9 1.2 1.6 2.1 1.6 1.5 1.6 1.7 4.1 3.7 3.2 4.2 3.8 3.7 3.2 3.7 4.1 5.4 4.6 5.1 5.6 5.6 5.4 4.8 4.6 5.2

66.9 39.2 43.4 73.8 34.6 45 46.9 58.9 79.1

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)Humidity (45 +/- 5 % RH)

Light Intensity (900 +/- 100 ft-cd)Water Added (ml) 500 400 400

RECP Germination

Sample175 seeds

East Coast Erosion BlanketsE2280-14-05

10/15/07

Bucket 3 Bucket 2

4" layer top soilECC-2B

RECP PROTECTED

Day 7 Day 14 Day 21

Number of Germinated Seeds Number of Germinated Seeds Number of Germinated Seeds

Bucket 3 Bucket 1 Bucket 2Bucket 1 Bucket 3Bucket 1 Bucket 2

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 bucket5.6 4.81.7 1.8 1.6 3.7 3.9

Average height of plants of Sample Average height of plants of Sample Average height of plants of Sample3.7 5.0

1.7 3.7 5.1Mass(mg) of plants in each 2" square

Total mass(mg) of plants in each bucket149.5 153.4 184.9

Total mass(mg) of plants for sample487.8

Average per square Average per square Average per square10.6 12.8 13.6

Average per square54.2

Date TopClient

TRI Log #Sample ID

Bottom

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

8 10 6 0 0 0 4 3 3 9 6 12 9 6 11 6 3 8 10 7 12 9 6 11 6 4 8

1.4 2.1 1.5 1 1.2 2.3 2.5 3.7 2.2 3.1 1 1.9 3.6 3.1 3 4.4 5.4 3.9 2.9 2.4 4.3 3.8 4.6 4.82.2 1.6 1.4 1 1.4 1.2 3.1 2.7 3.4 1.9 2.9 2.4 2.5 2.5 2.3 4.1 6.7 2.8 2.7 4.4 3.2 4.2 5.1 4.12.3 2 2.4 0.9 2.4 1.3 4.1 3 3.1 1.9 2.3 2.8 2.4 2.1 2.4 4.6 3.8 4 1.7 2.8 3.4 4.7 3.8 4.41.8 1.7 1.4 1.6 1.8 3.1 3 1.7 2.1 1.8 3.6 2.5 2.7 4.3 4.1 2.7 3.7 4.4 4 1.1 4.11.3 1.6 2.5 2.6 3.1 2.6 3.2 1.7 1.5 2.2 2.9 4.7 5.4 3.4 2.8 3.4 3.3 4.4 3.71.2 2.3 1.2 2.1 4 2.8 3.1 2.2 2 1.8 2.5 3 4 4 2.1 1.3 3.2 3.8 4.21.1 2 2.5 3.1 1.8 2.5 2.1 5 4.6 4.2 3.9 3.7 51.2 1.5 1.6 2.8 2.6 2.9 3.4 2.5 4.5 3 4.5 4.7

2.3 2.1 3.4 2.1 2.5 4.2 4 5.1 4.42.3 3.5 1.4 2.3 3.4 2.9

3.5 1.7 4.4 2.63.6 4.2

1.6 1.9 1.7 1.1 1.7 1.6 2.5 3.3 3.1 2.4 2.0 2.1 2.7 2.6 2.6 3.8 4.9 3.9 3.0 3.0 3.6 4.2 3.7 4.4

12.3 13.1 19.2 9.4 6.6 14.6 12.7 10.3 19.6

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) 25.5 25 25.5 26.8 25.5 25.3 25.5 25 25.9 25.4 25 25.5 25 25

Humidity (45 +/- 5 % RH) 42 43 43 44 45 44 41 42 40 45 41 45 45 47Light Intensity (900 +/- 100 ft-cd) 827 844 832 848 830 851 836 842 850 818 881 865 857 861

Water Added (ml) 500 400 400

Thin layer of top soil175 seeds

4" layer top soil

Control

Day 7


4.1

Number of Germinated Seeds


Height of Germinated Plants

Average height of plants in each 2" square

Average per square Average per square

Total mass(mg) of plants for sample117.8

Mass(mg) of plants in each 2" square

Total mass(mg) of plants in each bucket44.6 30.6 42.6

2.9 3.2

1.6 2.6 3.8

Average height of plants in each bucket4.2

Average height of plants of Sample Average height of plants of Sample Average height of plants of Sample1.7 1.5 2.2 2.6

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

Height of Germinated Plants Height of Germinated Plants3.8 7.8

RECP Germination

07/17/07East Coast Erosion Blankets

Bucket 1 Bucket 2Bucket 1 Bucket 2 Bucket 3Bucket 1

ControlE2280-14-05

Day 14 Day 21Bucket 3Bucket 3

Number of Germinated Seeds Number of Germinated Seeds

Bucket 2

Bucket # 1 ECC-2B Bucket # 1 Control



Germination / Vegetation Growth Summary

Photographs

STANDARD INDEX TEST METHOD FOR the DETERMINATION of TEMPORARY DEGRADABLERECP PERFORMANCE IN ENCOURAGING SEED GERMINATION AND PLANT GROWTH


Documents

AASHTO NTPEP Rolled Erosion Control Product (RECP) Test …08-01)-12-EastCoastErosion... · erosion control blanket. Index Test Index Test Index Test ... Elongation @ Max. ... STANDARD