13a - Lab-Grain Size Wentworth Scale CCTL 8730 - CHANNEL 1-2-3.pdf
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- Solicitation number
- W912DS26BA022
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This document is a laboratory analysis report containing particle size analysis results for soil samples collected from the Fire Island Inlet project. The report documents three distinct channel samples (Channel 1, Channel 2, and Channel 3) analyzed by Twin Peaks laboratory for Norfolk Dredging Company under federal contract W912DS-24-C0014.
The analysis was performed using the Wentworth Scale classification method and includes sieve analysis with detailed grain size accumulation curves for each sample. Channel 1 samples contained predominantly medium sand (70.2%) with fine sand (22.3%) and minimal fines (2.9%), with a moisture content of 17.5%. Channel 2 samples were dominated by coarse sand (60.0%) and medium sand (39.5%) with elevated moisture content of 85.2%, indicating saturated conditions typical of dredged material. Channel 3 samples consisted primarily of medium sand (96.2%) with trace fines (0.4%) and moderate moisture content of 26.2%. All samples were received on 1/30/2025 and analyzed on 3/18/2025 by technician P. Jover under CCTL No. 8730. The sieve analysis data provides detailed particle size distributions across standard sieve sizes ranging from 2 inches down to No. 200 (0.76 mm), with percent passing and percent retained values documented for each size classification.
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L-S9-1 Rev: 01/2025
The material from the above project, labeled as indicated in the sample
ID section above, was analyzed with the following results.
0.0% 4.6% 0.0%
2.9% 70.2% #REF!
22.3% 0.0%
% Coarse Sand % Fines
% Fine Sand % Colloids
% Medium Sand % Clay% Fine Gravel
% Coarse Gravel
P. JoverTECHNICIAN:
MATERIAL
DESCRIPTION:
1/30/2025
PARTICLE SIZE ANALYSIS OF SOILS BY WENTWORTH SCALE
CLIENT NAME: 3/18/2025
CCTL NO. :
Norfolk Dredging Company DATE ANALYZED:
PROJECT NAME:
PROJECT ADDRESS:
TPI PROJECT NO.: W912DS-24-C0014 Fire Island and Shores
Fire Island Inlet
2400370
Channel 1 DATE RECEIVED:
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0.0010.010.1110100
Grain Size Accumulation Curve
P e rc e n t
P as si n g
Particle Size (mm)
Percent Retained
0.0%
0.0%
0.0%
0.0%
0.3%
0.7%
1.8%
2.9%
3.6%
4.2%
6.3%
7.5%
15.7%
25.7%
46.0%
77.7%
96.7%
99.3%
99.9% 100.0% 100.0% 100.0%
Remarks: Material was sampled and delivered by the client
Moisture content of sample upon receipt is 17.5%, as determined by test method ASTM D2216
My P.E. seal must appear in blue ink only
Otherwise this document is null and void
3/18/2025
Date
New York City Qualification No. 3
Very fine sand
100.0%
0.0%NO. 200 (0.76 mm)
3/8 IN (9.5 mm)
3.3%
NO. 140 (0.11 mm) 0.0%
NO. 40 (0.42mm) 22.3%
92.5%
98.2%
99.7%
3/4 IN (19 mm) Large Pebble
Meddium Pebble
Small Pebble
Granule
Very coarse sand
Coarse sand
Medium sand
Fine sand
97.1%
1/2 IN (12.5 mm)
99.3%
0.1%
1/4 IN (6.3 mm)
Results obtained is limited only to the items inspected or tested. This report cannot be reproduced, except in full, without the prior written approval of Twin Peaks.
0.0%
95.8%
96.4%
84.3%
No. 8 (2.36 mm)
No. 6 (3.35 mm)
No. 5 (4.0 mm)
No 16 (1.19 mm)
54.0%
0.7%
All general information listed in this report, location and project where the test specimens were prepared is as provided to us by the Client. All reports are confidential property of the Client, and information contained herein may not be published or reproduced without our written approval.
74.3%
No. 30 ( 0.59 mm)
No. 60 ( 0.25mm)
93.7%
No. 10 (2.0 mm)
NO. 80 (0.18 mm)
NO. 50 (0.30 mm)
NO. 100 (0.15 mm)
No. 4 (4.75 mm)
No. 20 (0.84 mm)
100.0%
DATE RECEIVED:
Percent Passing
The material from the above project, labeled as indicated in the sample ID section above, was analyzed with the following results.
P. Jover
MATERIAL
DESCRIPTION:
1/30/2025
TECHNICIAN:
Channel 1
PARTICLE SIZE ANALYSIS OF SOILS BY WENTWORTH SCALE
1 IN (25 mm)
Sieve Size
2 IN (50 mm)
1 1/2 IN (38.1 mm)
100.0%
Wenthworth Classification
100.0%
CLIENT NAME:
PROJECT
ADDRESS:
Fire Island Inlet
SIEVE ANALYSIS
CCTL NO. :
3/18/2025
PROJECT NAME: W912DS-24-C0014 Fire Island and Shores TPI PROJECT NO.: 2400370
Norfolk Dredging Company DATE ANALYZED:
Very Large Pebble
The material from the above project, labeled as indicated in the sample
ID section above, was analyzed with the following results.
0.0% 0.1% 0.2%
0.3% 60.0% #REF!
39.5% 0.0%
Channel 2 DATE RECEIVED:
CLIENT NAME: 3/18/2025
CCTL NO. :
Norfolk Dredging Company DATE ANALYZED:
PROJECT NAME:
PROJECT ADDRESS:
TPI PROJECT NO.: W912DS-24-C0014 Fire Island and Shores
Fire Island Inlet
2400370
P. JoverTECHNICIAN:
MATERIAL
DESCRIPTION:
1/30/2025
PARTICLE SIZE ANALYSIS OF SOILS BY WENTWORTH SCALE
% Fine Gravel
% Coarse Gravel % Coarse Sand % Fines
% Fine Sand % Colloids
% Medium Sand % Clay
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0.0010.010.1110100
Grain Size Accumulation Curve
P e rc e n t
P as si n
Percent Retained
0.0%
0.0%
0.0%
0.0%
0.0%
0.1%
0.2%
0.3%
0.3%
0.3%
0.3%
0.3%
1.3%
5.1%
23.3%
60.3%
88.5%
96.2%
99.6% 99.8% 99.8% 99.8%
Remarks: Material was sampled and delivered by the client
Moisture content of sample upon receipt is 85.2%, as determined by test method ASTM D2216
My P.E. seal must appear in blue ink only
Otherwise this document is null and void
3/18/2025
Date
New York City Qualification No. 3
100.0%
CLIENT NAME:
PROJECT
ADDRESS:
Fire Island Inlet
SIEVE ANALYSIS
CCTL NO. :
3/18/2025
PROJECT NAME: W912DS-24-C0014 Fire Island and Shores TPI PROJECT NO.: 2400370
Norfolk Dredging Company DATE ANALYZED:
Very Large Pebble
100.0%
DATE RECEIVED:
Percent Passing
The material from the above project, labeled as indicated in the sample ID section above, was analyzed with the following results.
P. Jover
MATERIAL
DESCRIPTION:
1/30/2025
TECHNICIAN:
Channel 2
PARTICLE SIZE ANALYSIS OF SOILS BY WENTWORTH SCALE
1 IN (25 mm)
Sieve Size
2 IN (50 mm)
1 1/2 IN (38.1 mm)
100.0%
Wenthworth Classification
No. 10 (2.0 mm)
NO. 80 (0.18 mm)
NO. 50 (0.30 mm)
NO. 100 (0.15 mm)
No. 4 (4.75 mm)
No. 20 (0.84 mm)
Results obtained is limited only to the items inspected or tested. This report cannot be reproduced, except in full, without the prior written approval of Twin Peaks.
0.2%
99.7%
99.7%
98.7%
No. 8 (2.36 mm)
No. 6 (3.35 mm)
No. 5 (4.0 mm)
No 16 (1.19 mm)
76.7%
3.8%
All general information listed in this report, location and project where the test specimens were prepared is as provided to us by the Client. All reports are confidential property of the Client, and information contained herein may not be published or reproduced without our written approval.
94.9%
No. 30 ( 0.59 mm)
No. 60 ( 0.25mm)
99.7%
99.7%
1/2 IN (12.5 mm)
99.9%
0.4%
1/4 IN (6.3 mm)
Very fine sand
100.0%
0.2%NO. 200 (0.76 mm)
3/8 IN (9.5 mm)
11.5%
NO. 140 (0.11 mm) 0.2%
NO. 40 (0.42mm) 39.7%
99.7%
99.8%
100.0%
3/4 IN (19 mm) Large Pebble
Meddium Pebble
Small Pebble
Granule
Very coarse sand
Coarse sand
Medium sand
Fine sand
The material from the above project, labeled as indicated in the sample
ID section above, was analyzed with the following results.
0.0% 0.0% 0.4%
0.0% 3.4% #REF!
96.2% 0.0%
% Coarse Sand % Fines
% Fine Sand % Colloids
% Medium Sand % Clay% Fine Gravel
% Coarse Gravel
P. JoverTECHNICIAN:
MATERIAL
DESCRIPTION:
1/30/2025
PARTICLE SIZE ANALYSIS OF SOILS BY WENTWORTH SCALE
CLIENT NAME: 3/18/2025
CCTL NO. :
Norfolk Dredging Company DATE ANALYZED:
PROJECT NAME:
PROJECT ADDRESS:
TPI PROJECT NO.: W912DS-24-C0014 Fire Island and Shores
Fire Island Inlet
2400370
Channel 3 DATE RECEIVED:
0%
10%
20%
30%
40%
50%
60%
70%
80%
90%
100%
0.0010.010.1110100
Grain Size Accumulation Curve
P e rc e n t
P as si n
Percent Retained
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.1%
0.4%
1.0%
3.4%
20.9%
40.6%
81.5% 93.9% 99.4% 99.6%
Remarks: Material was sampled and delivered by the client
Moisture content of sample upon receipt is 26.2%, as determined by test method ASTM D2216
My P.E. seal must appear in blue ink only
Otherwise this document is null and void
3/18/2025
Date
New York City Qualification No. 3
Very fine sand
100.0%
0.4%NO. 200 (0.76 mm)
3/8 IN (9.5 mm)
79.1%
NO. 140 (0.11 mm) 6.1%
NO. 40 (0.42mm) 96.6%
100.0%
100.0%
100.0%
3/4 IN (19 mm) Large Pebble
Meddium Pebble
Small Pebble
Granule
Very coarse sand
Coarse sand
Medium sand
Fine sand
100.0%
1/2 IN (12.5 mm)
100.0%
18.5%
1/4 IN (6.3 mm)
Results obtained is limited only to the items inspected or tested. This report cannot be reproduced, except in full, without the prior written approval of Twin Peaks.
0.6%
100.0%
100.0%
99.9%
No. 8 (2.36 mm)
No. 6 (3.35 mm)
No. 5 (4.0 mm)
No 16 (1.19 mm)
99.0%
59.4%
All general information listed in this report, location and project where the test specimens were prepared is as provided to us by the Client. All reports are confidential property of the Client, and information contained herein may not be published or reproduced without our written approval.
99.6%
No. 30 ( 0.59 mm)
No. 60 ( 0.25mm)
100.0%
No. 10 (2.0 mm)
NO. 80 (0.18 mm)
NO. 50 (0.30 mm)
NO. 100 (0.15 mm)
No. 4 (4.75 mm)
No. 20 (0.84 mm)
100.0%
DATE RECEIVED:
Percent Passing
The material from the above project, labeled as indicated in the sample ID section above, was analyzed with the following results.
P. Jover
MATERIAL
DESCRIPTION:
1/30/2025
TECHNICIAN:
Channel 3
PARTICLE SIZE ANALYSIS OF SOILS BY WENTWORTH SCALE
1 IN (25 mm)
Sieve Size
2 IN (50 mm)
1 1/2 IN (38.1 mm)
100.0%
Wenthworth Classification
100.0%
CLIENT NAME:
PROJECT
ADDRESS:
Fire Island Inlet
SIEVE ANALYSIS
CCTL NO. :
3/18/2025
PROJECT NAME: W912DS-24-C0014 Fire Island and Shores TPI PROJECT NO.: 2400370
Norfolk Dredging Company DATE ANALYZED:
Very Large Pebble
| 2400370 Lab-Grain Size Wentworth Scale CCTL 8730 250130 CHANNEL 1.pdf |
| 2400370 Lab-Grain Size Wentworth Scale CCTL 8730 250130 CHANNEL 2.pdf |
| 2400370 Lab-Grain Size Wentworth Scale CCTL 8730 250130 CHANNEL 3.pdf |
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