04_140R2024R0017_Part11_of_18_0004.pdf
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- Arroyo Canal Fish Screen/Sack Dam Fish Passage
- Solicitation number
- 140R2024R0017
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Photo 14. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-2, Right Bank. Boxed core samples from the interval 58.0 to 69.5 ft. in Quaternary Alluvium (Qal).
(L. Vinova, 8/11/21)
SPT 21 2
Photo 15. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-2, Right Bank. Boxed core samples from the interval 69.5 to 80.5 ft. in Quaternary Alluvium (Qal).
(L. Vinova, 8/10/21 and 8/11/21)
Photo 16. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-2, Right Bank. Boxed core samples from the interval 80.5 to 85.0 ft. in Quaternary Alluvium (Qal).
(L. Vinova, 8/10/21)
Point ID: SPT 21 3 Geologist: B. Holmes
Project: SJRRP Sack Dam Driller: S. Scrivner
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
5.0 - 5.1 0 10.0 - 10.1 0
5.1 - 5.2 0 10.1 - 10.2 0
5.2 - 5.3 0 10.2 - 10.3 0
5.3 - 5.4 1 10.3 - 10.4 0
5.4 - 5.5 1 10.4 - 10.5 0
5.5 - 5.6 1 10.5 - 10.6 1
5.6 - 5.7 1 10.6 - 10.7 0
5.7 - 5.8 1 10.7 - 10.8 0
5.8 - 5.9 1 10.8 - 10.9 0
5.9 - 6.0 1 10.9 - 11.0 0
6.0 - 6.1 1 11.0 - 11.1 0
6.1 - 6.2 2 11.1 - 11.2 0
6.2 - 6.3 1 11.2 - 11.3 1
6.3 - 6.4 2 11.3 - 11.4 0
6.4 - 6.5 1 11.4 - 11.5 1
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
7.5 - 7.6 0 12.5 - 12.6 1
7.6 - 7.7 1 12.6 - 12.7 0
7.7 - 7.8 0 12.7 - 12.8 1
7.8 - 7.9 1 12.8 - 12.9 1
7.9 - 8.0 0 12.9 - 13.0 1
8.0 - 8.1 1 13.0 - 13.1 1
8.1 - 8.2 1 13.1 - 13.2 1
8.2 - 8.3 1 13.2 - 13.3 1
8.3 - 8.4 1 13.3 - 13.4 0
8.4 - 8.5 1 13.4 - 13.5 1
8.5 - 8.6 1 13.5 - 13.6 1
8.6 - 8.7 1 13.6 - 13.7 0
8.7 - 8.8 1 13.7 - 13.8 1
8.8 - 8.9 1 13.8 - 13.9 1
8.9 - 9.0 0 13.9 - 14.0 0 bgs: below ground surface *: A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected seat
Interval
Basket?
seat
12 3
Interval
Basket? NN
2 seat 4
Interval Interval
ft. bgs ft. bgs
Gray cells indicate blows with double bounce
2 seat
Basket? N Basket? N
ft. bgs ft. bgs
4 3
Point ID: SPT-21-3 Geologist: B. Holmes
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
15.0 - 15.1 1 20.0 - 20.1 1
15.1 - 15.2 0 20.1 - 20.2 2
15.2 - 15.3 1 20.2 - 20.3 2
15.3 - 15.4 0 20.3 - 20.4 2
15.4 - 15.5 1 20.4 - 20.5 2
15.5 - 15.6 1 20.5 - 20.6 3
15.6 - 15.7 0 20.6 - 20.7 2
15.7 - 15.8 1 20.7 - 20.8 2
15.8 - 15.9 1 20.8 - 20.9 2
15.9 - 16.0 1 20.9 - 21.0 3
16.0 - 16.1 1 21.0 - 21.1 2
16.1 - 16.2 1 21.1 - 21.2 3
16.2 - 16.3 1 21.2 - 21.3 2
16.3 - 16.4 1 21.3 - 21.4 2
16.4 - 16.5 2 21.4 - 21.5 2
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
17.5 - 17.6 0 22.5 - 22.6 0
17.6 - 17.7 0 22.6 - 22.7 1
17.7 - 17.8 0 22.7 - 22.8 1
17.8 - 17.9 0 22.8 - 22.9 1
17.9 - 18.0 0 22.9 - 23.0 1
18.0 - 18.1 0 23.0 - 23.1 1
18.1 - 18.2 0 23.1 - 23.2 1
18.2 - 18.3 0 23.2 - 23.3 1
18.3 - 18.4 0 23.3 - 23.4 1
18.4 - 18.5 1 23.4 - 23.5 1
18.5 - 18.6 0 23.5 - 23.6 1
18.6 - 18.7 1 23.6 - 23.7 1
18.7 - 18.8 0 23.7 - 23.8 1
18.8 - 18.9 0 23.8 - 23.9 1
18.9 - 19.0 1 23.9 - 24.0 1 bgs: below ground surface
* A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Basket?N N
0 seat 4 seat
2 5
9 seat
6 11
Gray cells indicate blows with double bounce
Interval Interval
ft. bgs ft. bgs
3 seat
Interval Interval
ft. bgs ft. bgs
Basket? Basket?N N
Basket?
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
25.0 - 25.1 1 30.0 - 30.1 1
25.1 - 25.2 1 30.1 - 30.2 1
25.2 - 25.3 1 30.2 - 30.3 2
25.3 - 25.4 1 30.3 - 30.4 1
25.4 - 25.5 2 30.4 - 30.5 2
25.5 - 25.6 1 30.5 - 30.6 2
25.6 - 25.7 1 30.6 - 30.7 2
25.7 - 25.8 2 30.7 - 30.8 3
25.8 - 25.9 1 30.8 - 30.9 2
25.9 - 26.0 3 30.9 - 31.0 2
26.0 - 26.1 2 31.0 - 31.1 3
26.1 - 26.2 3 31.1 - 31.2 3
26.2 - 26.3 2 31.2 - 31.3 2
26.3 - 26.4 2 31.3 - 31.4 3
26.4 - 26.5 2 31.4 - 31.5 2
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
27.5 - 27.6 0 32.5 - 32.6 0
27.6 - 27.7 0 32.6 - 32.7 0
27.7 - 27.8 0 32.7 - 32.8 1
27.8 - 27.9 0 32.8 - 32.9 0
27.9 - 28.0 0 32.9 - 33.0 1
28.0 - 28.1 0 33.0 - 33.1 1
28.1 - 28.2 1 33.1 - 33.2 1
28.2 - 28.3 0 33.2 - 33.3 1
28.3 - 28.4 0 33.3 - 33.4 2
28.4 - 28.5 1 33.4 - 33.5 1
28.5 - 28.6 0 33.5 - 33.6 1
28.6 - 28.7 1 33.6 - 33.7 1
28.7 - 28.8 0 33.7 - 33.8 1
28.8 - 28.9 0 33.8 - 33.9 2
28.9 - 29.0 0 33.9 - 34.0 1 bgs: below ground surface
* A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Interval Interval
ft. bgs ft. bgs
6 seat 7 seat
11 13
2 seat
Basket? Basket?N N
Interval Interval
ft. bgs ft. bgs
0 seat
Gray cells indicate blows with double bounce
1 6
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
35.0 - 35.1 0 40.0 - 40.1 2
35.1 - 35.2 0 40.1 - 40.2 1
35.2 - 35.3 0 40.2 - 40.3 2
35.3 - 35.4 0 40.3 - 40.4 2
35.4 - 35.5 0 40.4 - 40.5 3
35.5 - 35.6 0 40.5 - 40.6 4
35.6 - 35.7 1 40.6 - 40.7 5
35.7 - 35.8 0 40.7 - 40.8 6
35.8 - 35.9 1 40.8 - 40.9 7
35.9 - 36.0 0 40.9 - 41.0 9
36.0 - 36.1 1 41.0 - 41.1 9
36.1 - 36.2 1 41.1 - 41.2 12
36.2 - 36.3 2 41.2 - 41.3 10
36.3 - 36.4 1 41.3 - 41.4 12
36.4 - 36.5 2 41.4 - 41.5 8
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
37.5 - 37.6 0 45.0 - 45.1 1
37.6 - 37.7 0 45.1 - 45.2 1
37.7 - 37.8 0 45.2 - 45.3 1
37.8 - 37.9 0 45.3 - 45.4 2
37.9 - 38.0 0 45.4 - 45.5 1
38.0 - 38.1 1 45.5 - 45.6 2
38.1 - 38.2 1 45.6 - 45.7 2
38.2 - 38.3 1 45.7 - 45.8 3
38.3 - 38.4 1 45.8 - 45.9 3
38.4 - 38.5 2 45.9 - 46.0 3
38.5 - 38.6 2 46.0 - 46.1 3
38.6 - 38.7 3 46.1 - 46.2 3
38.7 - 38.8 4 46.2 - 46.3 3
38.8 - 38.9 4 46.3 - 46.4 3
38.9 - 39.0 4 46.4 - 46.5 2 bgs: below ground surface
* A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Interval Interval
ft. bgs ft. bgs
0 seat
Basket? Basket?N N
10 seat
7 51
6 seat
17 14
Interval Interval
ft. bgs ft. bgs
0 seat
Gray cells indicate blows with double bounce
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
47.5 - 47.6 0 -
47.6 - 47.7 0 -
47.7 - 47.8 1 -
47.8 - 47.9 0 -
47.9 - 48.0 1 -
48.0 - 48.1 0 -
48.1 - 48.2 1 -
48.2 - 48.3 1 -
48.3 - 48.4 1 -
48.4 - 48.5 1 -
48.5 - 48.6 2 -
48.6 - 48.7 1 -
48.7 - 48.8 2 -
48.8 - 48.9 3 -
48.9 - 49.0 2 -
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
50.0 - 50.1 1 -
50.1 - 50.2 1 -
50.2 - 50.3 1 -
50.3 - 50.4 1 -
50.4 - 50.5 1 -
50.5 - 50.6 2 -
50.6 - 50.7 2 -
50.7 - 50.8 2 -
50.8 - 50.9 2 -
50.9 - 51.0 2 -
51.0 - 51.1 3 -
51.1 - 51.2 4 -
51.2 - 51.3 2 -
51.3 - 51.4 4 -
51.4 - 51.5 3 -bgs: below ground surface
* A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Interval Interval
ft. bgs ft. bgs
2 seat
Basket? Basket?N seat seat
Interval Interval
ft. bgs ft. bgs
5 seat
Basket? Basket?N
Core Photographs
SPT 21 3
Photos 1a to 1c. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-3, Right Bank. FADC recovery intervals showing in-place conditions of Quaternary Alluvium (Qal). (B. Holmes, 8/20/21)
Photo 1a Drill Cuttings 0.0 to 5.0 ft
SPT 21 3
Photo 1b 5.0 to 7.5 ft
Poorly Graded Sand, SP
Poorly Graded Sand, SP
Photo 1c 7.5 to 10.0 ft
Poorly Graded Sand, SP
5.2 ft
Sandy Lean Clay, s(CL)
Photos 2a to 2d. SJRRP Channel Improvements at Sack Dam and Arroyo Canal conditions of Quaternary Alluvium (Qal). (B. Holmes, 8/20/21)
Photo 2a 10.0 to 12.5 ft
SPT 21 3
Photo 2b 12.5 to 15.0 ft
Poorly Graded Sand, SP
Photo 2c 15.0 to 17.5 ft
Silty Sand, SM
Photo 2d 17.5 to 20.0 ft
14.4 ft
Sandy Lean Clay to Silt, s(CL ML)
Sandy Lean Clay to Silt, s(CL ML) 19.5 ft
Lean Clay with Sand, (CL)s
Photos 3a to 3d. SJRRP Channel Improvements at Sack Dam and Arroyo Canal conditions of Quaternary Alluvium (Qal). (B. Holmes, 8/20/21)
Photo 3a 20.0 to 22.5 ft
SPT 21 3
Photo 3b 22.5 to 25.0 ft
Photo 3c 25.0 to 27.5 ft
Poorly Graded Sand with Silt, SP SM
Photo 3d 27.5 to 30.0 ft
23.7 ft
Lean Clay with Sand, (CL)s
Silty Sand, SM
Sandy Lean Clay to Silt, s(CL ML)
Sandy Lean Clay to Silt, s(CL ML) 24.5 ft
29.5 ft
Sandy Lean Clay to Silt, s(CL ML)
Photos 4a to 4e. SJRRP Channel Improvements at Sack Dam and Arroyo Canal conditions of Quaternary Alluvium (Qal). Heaving sand was noted from 35.0 to 45.0 feet. Pilot bit was used from 41.0 to 45.0 feet to advance past heaving conditions (no core recovered). (B. Holmes, 8/21/21)
Photo 4a 30.0 to 32.5 ft
SPT 21 3
Photo 4b 32.5 to 35.0 ft
Photo 4c 35.0 to 37.5 ft
Photo 4d 37.5 to 40.0 ft
32.0 ft
Silty Sand, SM
Silty Sand, SM
Sandy Lean Clay to Silt, s(CL ML)
Recovered slough/heaved sand
Silty Sand, SM
Silty Sand, SM
Photo 4e 40.0 to 41.0 ft
Poorly Graded Sand, SP
Photos 5a to 5c. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-3, Right Bank. FADC and SPT recovery intervals showing in-place conditions of Quaternary Alluvium (Qal). (B. Holmes, 8/21/21)
Photo 5a 45.0 to 47.5 ft
SPT 21 3
Photo 5b 47.5 to 50.0 ft
Clayey Sand, SC
Silty Sand, SM
Photo 5c SPT interval 50.0 to 51.5 ft
Silty Sand, SM
48.4 ft
47.5 to 48.4 ft.
was boxed up before photo taken
50.5 ft Lean Clay with Sand, (CL)s
Photo 6. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-3, Right Bank. Boxed core samples from the interval 5.0 to 21.5 ft. in Quaternary Alluvium (Qal).
(B. Holmes, 8/21/21)
Photo 7. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-3, Right Bank. Boxed core samples from the interval 21.5 to 33.0 ft. in Quaternary Alluvium (Qal).
Photo 8. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-3, Right Bank. Boxed core samples from the interval 33.0 to 46.6 ft. in Quaternary Alluvium (Qal).
(B. Holmes, 8/21/21)
Heaved sand sample
Photo 9. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-3, Right Bank. Boxed core samples from the interval 46.6 to 50.0 ft. in Quaternary Alluvium (Qal).
Point ID: SPT 21 4 Geologist: B. Holmes, S. Swartz
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
5.0 - 5.1 0 10.0 - 10.1 0
5.1 - 5.2 1 10.1 - 10.2 0
5.2 - 5.3 0 10.2 - 10.3 0
5.3 - 5.4 0 10.3 - 10.4 0
5.4 - 5.5 0 10.4 - 10.5 0
5.5 - 5.6 0 10.5 - 10.6 0
5.6 - 5.7 1 10.6 - 10.7 0
5.7 - 5.8 0 10.7 - 10.8 0
5.8 - 5.9 1 10.8 - 10.9 1
5.9 - 6.0 1 10.9 - 11.0 0
6.0 - 6.1 0 11.0 - 11.1 0
6.1 - 6.2 0 11.1 - 11.2 0
6.2 - 6.3 1 11.2 - 11.3 1
6.3 - 6.4 0 11.3 - 11.4 1
6.4 - 6.5 1 11.4 - 11.5 1
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
7.5 - 7.6 0 12.5 - 12.6 0
7.6 - 7.7 1 12.6 - 12.7 0
7.7 - 7.8 0 12.7 - 12.8 0
7.8 - 7.9 0 12.8 - 12.9 0
7.9 - 8.0 0 12.9 - 13.0 1
8.0 - 8.1 0 13.0 - 13.1 0
8.1 - 8.2 0 13.1 - 13.2 0
8.2 - 8.3 1 13.2 - 13.3 0
8.3 - 8.4 0 13.3 - 13.4 0
8.4 - 8.5 1 13.4 - 13.5 1
8.5 - 8.6 0 13.5 - 13.6 0
8.6 - 8.7 1 13.6 - 13.7 1
8.7 - 8.8 0 13.7 - 13.8 1
8.8 - 8.9 1 13.8 - 13.9 1
8.9 - 9.0 1 13.9 - 14.0 1 bgs: below ground surface *: A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected seat
Interval
Basket?
seat
5 4
Interval
Basket? NN
1 seat 1
Interval Interval
ft. bgs ft. bgs
Gray cells indicate blows with double bounce
1 seat
Basket? N Basket? N
ft. bgs ft. bgs
3 4
Point ID: SPT-21-4 Geologist: B. Holmes, S. Swartz
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
15.0 - 15.1 0 20.0 - 20.1 0
15.1 - 15.2 0 20.1 - 20.2 0
15.2 - 15.3 0 20.2 - 20.3 1
15.3 - 15.4 0 20.3 - 20.4 0
15.4 - 15.5 1 20.4 - 20.5 0
15.5 - 15.6 0 20.5 - 20.6 1
15.6 - 15.7 0 20.6 - 20.7 0
15.7 - 15.8 0 20.7 - 20.8 0
15.8 - 15.9 1 20.8 - 20.9 1
15.9 - 16.0 0 20.9 - 21.0 0
16.0 - 16.1 0 21.0 - 21.1 1
16.1 - 16.2 1 21.1 - 21.2 1
16.2 - 16.3 0 21.2 - 21.3 1
16.3 - 16.4 1 21.3 - 21.4 1
16.4 - 16.5 0 21.4 - 21.5 1
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
17.5 - 17.6 0 22.5 - 22.6 0
17.6 - 17.7 0 22.6 - 22.7 0
17.7 - 17.8 1 22.7 - 22.8 1
17.8 - 17.9 0 22.8 - 22.9 0
17.9 - 18.0 1 22.9 - 23.0 1
18.0 - 18.1 0 23.0 - 23.1 1
18.1 - 18.2 1 23.1 - 23.2 1
18.2 - 18.3 1 23.2 - 23.3 2
18.3 - 18.4 1 23.3 - 23.4 3
18.4 - 18.5 1 23.4 - 23.5 3
18.5 - 18.6 1 23.5 - 23.6 3
18.6 - 18.7 1 23.6 - 23.7 3
18.7 - 18.8 1 23.7 - 23.8 2
18.8 - 18.9 2 23.8 - 23.9 3
18.9 - 19.0 1 23.9 - 24.0 3 bgs: below ground surface
* A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Basket?N N
2 seat 2 seat
6 14
1 seat
2 5
Gray cells indicate blows with double bounce
Interval Interval
ft. bgs ft. bgs
1 seat
Interval Interval
ft. bgs ft. bgs
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
25.0 - 25.1 0 30.0 - 30.1 1
25.1 - 25.2 1 30.1 - 30.2 1
25.2 - 25.3 1 30.2 - 30.3 1
25.3 - 25.4 1 30.3 - 30.4 2
25.4 - 25.5 2 30.4 - 30.5 2
25.5 - 25.6 2 30.5 - 30.6 3
25.6 - 25.7 3 30.6 - 30.7 4
25.7 - 25.8 3 30.7 - 30.8 4
25.8 - 25.9 3 30.8 - 30.9 5
25.9 - 26.0 2 30.9 - 31.0 5
26.0 - 26.1 3 31.0 - 31.1 4
26.1 - 26.2 3 31.1 - 31.2 5
26.2 - 26.3 2 31.2 - 31.3 5
26.3 - 26.4 3 31.3 - 31.4 5
26.4 - 26.5 2 31.4 - 31.5 6
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
27.5 - 27.6 0 32.5 - 32.6 0
27.6 - 27.7 0 32.6 - 32.7 0
27.7 - 27.8 0 32.7 - 32.8 0
27.8 - 27.9 0 32.8 - 32.9 0
27.9 - 28.0 0 32.9 - 33.0 0
28.0 - 28.1 0 33.0 - 33.1 0
28.1 - 28.2 1 33.1 - 33.2 0
28.2 - 28.3 0 33.2 - 33.3 0
28.3 - 28.4 1 33.3 - 33.4 1
28.4 - 28.5 1 33.4 - 33.5 1
28.5 - 28.6 1 33.5 - 33.6 1
28.6 - 28.7 1 33.6 - 33.7 1
28.7 - 28.8 2 33.7 - 33.8 1
28.8 - 28.9 2 33.8 - 33.9 1
28.9 - 29.0 1 33.9 - 34.0 2 bgs: below ground surface
* A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Interval Interval
ft. bgs ft. bgs
5 seat 7 seat
13 25
0 seat
Basket? Basket?N N
Interval Interval
ft. bgs ft. bgs
0 seat
Gray cells indicate blows with double bounce
7 6
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
35.0 - 35.1 1 40.0 - 40.1 1
35.1 - 35.2 2 40.1 - 40.2 0
35.2 - 35.3 2 40.2 - 40.3 1
35.3 - 35.4 4 40.3 - 40.4 1
35.4 - 35.5 4 40.4 - 40.5 1
35.5 - 35.6 4 40.5 - 40.6 2
35.6 - 35.7 4 40.6 - 40.7 2
35.7 - 35.8 5 40.7 - 40.8 1
35.8 - 35.9 6 40.8 - 40.9 2
35.9 - 36.0 8 40.9 - 41.0 2
36.0 - 36.1 11 41.0 - 41.1 1
36.1 - 36.2 17 41.1 - 41.2 2
36.2 - 36.3 26 41.2 - 41.3 2
36.3 - 36.4 41.3 - 41.4 2
36.4 - 36.5 41.4 - 41.5 3
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
37.5 - 37.6 1 42.5 - 42.6 1
37.6 - 37.7 1 42.6 - 42.7 1
37.7 - 37.8 1 42.7 - 42.8 1
37.8 - 37.9 1 42.8 - 42.9 1
37.9 - 38.0 2 42.9 - 43.0 2
38.0 - 38.1 2 43.0 - 43.1 2
38.1 - 38.2 1 43.1 - 43.2 2
38.2 - 38.3 2 43.2 - 43.3 3
38.3 - 38.4 3 43.3 - 43.4 2
38.4 - 38.5 3 43.4 - 43.5 2
38.5 - 38.6 2 43.5 - 43.6 2
38.6 - 38.7 3 43.6 - 43.7 2
38.7 - 38.8 3 43.7 - 43.8 2
38.8 - 38.9 3 43.8 - 43.9 2
38.9 - 39.0 3 43.9 - 44.0 2 bgs: below ground surface
* A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Interval Interval
ft. bgs ft. bgs
13 seat
Basket? Basket?N N
4 seat
54 10
6 seat
14 10
Interval Interval
ft. bgs ft. bgs
6 seat
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
45.0 - 45.1 1 50.0 - 50.1 2
45.1 - 45.2 0 50.1 - 50.2 2
45.2 - 45.3 1 50.2 - 50.3 2
45.3 - 45.4 0 50.3 - 50.4 2
45.4 - 45.5 1 50.4 - 50.5 2
45.5 - 45.6 2 50.5 - 50.6 4
45.6 - 45.7 1 50.6 - 50.7 3
45.7 - 45.8 2 50.7 - 50.8 4
45.8 - 45.9 2 50.8 - 50.9 6
45.9 - 46.0 2 50.9 - 51.0 6
46.0 - 46.1 3 51.0 - 51.1 7
46.1 - 46.2 4 51.1 - 51.2 6
46.2 - 46.3 3 51.2 - 51.3 7
46.3 - 46.4 3 51.3 - 51.4 8
46.4 - 46.5 4 51.4 - 51.5 9
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
47.5 - 47.6 1 -
47.6 - 47.7 1 -
47.7 - 47.8 1 -
47.8 - 47.9 1 -
47.9 - 48.0 1 -
48.0 - 48.1 4 -
48.1 - 48.2 3 -
48.2 - 48.3 3 -
48.3 - 48.4 2 -
48.4 - 48.5 3 -
48.5 - 48.6 3 -
48.6 - 48.7 3 -
48.7 - 48.8 3 -
48.8 - 48.9 3 -
48.9 - 49.0 4 -bgs: below ground surface
* A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Interval Interval
ft. bgs ft. bgs
3 seat
Basket? Basket?N N
10 seat
17 37 seat
Interval Interval
ft. bgs ft. bgs
5 seat
SPT 21 4
Photos 1a to 1d. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-4, Right Bank. FADC recovery intervals showing soil conditions of Quaternary Alluvium (Qal). (B. Holmes, 8/22/21)
Photo 1a Drill Cuttings 0.0 to 3.0 ft
SPT 21 4
Photo 1c 5.0 to 7.5 ft
Silty Sand, SM Dark brown, contains rootlets
Poorly Graded Sand, SP
Photo 1d 7.5 to 10.0 ft
Poorly Graded Sand, SP
Silty Sand, SM Yellow brown
Photo 1b Drill Cuttings 3.0 to 5.0 ft
Photos 2a to 2e. SJRRP Channel Improvements at Sack Dam and Arroyo Canal of Quaternary Alluvium (Qal). (B. Holmes, 8/22/21)
Photo 2a 10.0 to 12.5 ft
SPT 21 4
Photo 2b 12.5 to 15.0 ft
Poorly Graded Sand, SP
Photo 2d 17.5 to 20.0 ft
Clayey to Silty Sand, SC SM10.6 ft
12.1 ft
Lean Clay with Sand, (CL)s
Lean Clay with Sand, (CL)s
Photo 2c 15.0 to 17.5 ft
Lean Clay with Sand, (CL)s
Clayey Sand, SC
Photo 2e 20.0 to 22.5 ft
Silty Sand, SM calcite nodules/deposits of Quaternary Alluvium (Qal). (B. Holmes, 8/22/21)
Photo 3a 22.5 to 25.0 ft
SPT 21 4
Photo 3b 25.0 to 27.5 ft
Photo 3d 30.0 to 32.5 ft
Silty Sand, SM 24.5 ft
Lean Clay with Sand, (CL)s
Sandy Silt, s(ML)
Photo 3c 27.5 to 30.0 ft
Poorly Graded Sand with Silt, SP SM
29.0 ftSandy Silt, s(ML)
Photos 4a to 4d. SJRRP Channel Improvements at Sack Dam and Arroyo Canal of Quaternary Alluvium (Qal). (B. Holmes and S. Swartz, 8/23/21)
Photo 4a 32.5 to 35.0 ft
SPT 21 4
Photo 4b 35.0 to 37.5 ft
Photo 4d 40.0 to 42.5 ft
Silty Sand, SM
Photo 4c 37.5 to 40.0 ft
Silty Sand, SM
37.0 ft Lean Clay, CL
Lean Clay, CL
Photos 5a to 5d. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-4, Right Bank. FADC and SPT recovery intervals showing soil conditions of Quaternary Alluvium (Qal). (S. Swartz, 8/23/21)
Photo 5a 42.5 to 45.0 ft
SPT 21 4
Photo 5b 45.0 to 47.5 ft
Photo 5d SPT interval 50.0 to 51.5 ft
Photo 5c 47.5 to 50.0 ft
Lean Clay, CL
46.5 ftLean Clay, CL Lean Clay with Sand, (CL)s
47.9 ft Lean Clay with Sand, (CL)s Poorly Graded Sand with Silt, SP SM
51.3 ft
Clayey Sand, SC
Poorly Graded Sand with Silt, SP SM
Photo 6. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-4, Right Bank. Boxed core samples from the interval 5.0 to 21.5 ft. in Quaternary Alluvium (Qal).
(B. Holmes, 8/22/21)
Photo 7. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-4, Right Bank. Boxed core samples from the interval 21.5 to 35.0 ft. in Quaternary Alluvium (Qal).
(B. Holmes, 8/22/21 and S. Swartz, 8/25/21)
Photo 8. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-4, Right Bank. Boxed core samples from the interval 35.0 to 50.0 ft. in Quaternary Alluvium (Qal).
(S. Swartz, 8/25/21)
Point ID: SPT 21 5 Geologist: S. Swartz
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
5.0 - 5.1 1 10.0 - 10.1 1
5.1 - 5.2 0 10.1 - 10.2 1
5.2 - 5.3 0 10.2 - 10.3 1
5.3 - 5.4 1 10.3 - 10.4 1
5.4 - 5.5 0 10.4 - 10.5 2
5.5 - 5.6 0 10.5 - 10.6 1
5.6 - 5.7 1 10.6 - 10.7 2
5.7 - 5.8 0 10.7 - 10.8 1
5.8 - 5.9 1 10.8 - 10.9 2
5.9 - 6.0 1 10.9 - 11.0 2
6.0 - 6.1 0 11.0 - 11.1 2
6.1 - 6.2 1 11.1 - 11.2 2
6.2 - 6.3 1 11.2 - 11.3 2
6.3 - 6.4 1 11.3 - 11.4 3
6.4 - 6.5 1 11.4 - 11.5 2
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
7.5 - 7.6 1 12.5 - 12.6 0
7.6 - 7.7 0 12.6 - 12.7 0
7.7 - 7.8 0 12.7 - 12.8 0
7.8 - 7.9 1 12.8 - 12.9 1
7.9 - 8.0 0 12.9 - 13.0 1
8.0 - 8.1 2 13.0 - 13.1 0
8.1 - 8.2 1 13.1 - 13.2 1
8.2 - 8.3 2 13.2 - 13.3 1
8.3 - 8.4 2 13.3 - 13.4 1
8.4 - 8.5 2 13.4 - 13.5 1
8.5 - 8.6 2 13.5 - 13.6 1
8.6 - 8.7 2 13.6 - 13.7 1
8.7 - 8.8 2 13.7 - 13.8 1
8.8 - 8.9 2 13.8 - 13.9 2
8.9 - 9.0 2 13.9 - 14.0 2 bgs: below ground surface *: A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected seat
Interval
Basket?
seat
7 19
Interval
Basket? NN
2 seat 2
Interval Interval
ft. bgs ft. bgs
Gray cells indicate blows with double bounce
2 seat
Basket? N Basket? N
ft. bgs ft. bgs
10 7
Point ID: SPT-21-5 Geologist: S. Swartz
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
15.0 - 15.1 0 20.0 - 20.1 1
15.1 - 15.2 0 20.1 - 20.2 1
15.2 - 15.3 0 20.2 - 20.3 1
15.3 - 15.4 0 20.3 - 20.4 2
15.4 - 15.5 0 20.4 - 20.5 2
15.5 - 15.6 1 20.5 - 20.6 2
15.6 - 15.7 0 20.6 - 20.7 3
15.7 - 15.8 0 20.7 - 20.8 3
15.8 - 15.9 1 20.8 - 20.9 3
15.9 - 16.0 0 20.9 - 21.0 3
16.0 - 16.1 1 21.0 - 21.1 4
16.1 - 16.2 1 21.1 - 21.2 4
16.2 - 16.3 1 21.2 - 21.3 4
16.3 - 16.4 1 21.3 - 21.4 4
16.4 - 16.5 2 21.4 - 21.5 4
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
17.5 - 17.6 0 22.5 - 22.6 1
17.6 - 17.7 0 22.6 - 22.7 1
17.7 - 17.8 0 22.7 - 22.8 1
17.8 - 17.9 0 22.8 - 22.9 1
17.9 - 18.0 0 22.9 - 23.0 2
18.0 - 18.1 1 23.0 - 23.1 2
18.1 - 18.2 0 23.1 - 23.2 1
18.2 - 18.3 1 23.2 - 23.3 2
18.3 - 18.4 0 23.3 - 23.4 2
18.4 - 18.5 1 23.4 - 23.5 3
18.5 - 18.6 2 23.5 - 23.6 2
18.6 - 18.7 2 23.6 - 23.7 4
18.7 - 18.8 1 23.7 - 23.8 3
18.8 - 18.9 3 23.8 - 23.9 4
18.9 - 19.0 2 23.9 - 24.0 5 bgs: below ground surface
* A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Basket?N N
0 seat 6 seat
10 18
7 seat
6 20
Gray cells indicate blows with double bounce
Interval Interval
ft. bgs ft. bgs
0 seat
Interval Interval
ft. bgs ft. bgs
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
25.0 - 25.1 0 30.0 - 30.1 1
25.1 - 25.2 0 30.1 - 30.2 0
25.2 - 25.3 0 30.2 - 30.3 1
25.3 - 25.4 0 30.3 - 30.4 0
25.4 - 25.5 0 30.4 - 30.5 1
25.5 - 25.6 1 30.5 - 30.6 0
25.6 - 25.7 1 30.6 - 30.7 1
25.7 - 25.8 1 30.7 - 30.8 1
25.8 - 25.9 1 30.8 - 30.9 1
25.9 - 26.0 1 30.9 - 31.0 1
26.0 - 26.1 2 31.0 - 31.1 0
26.1 - 26.2 2 31.1 - 31.2 1
26.2 - 26.3 3 31.2 - 31.3 0
26.3 - 26.4 3 31.3 - 31.4 1
26.4 - 26.5 2 31.4 - 31.5 1
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
27.5 - 27.6 1 32.5 - 32.6 0
27.6 - 27.7 1 32.6 - 32.7 1
27.7 - 27.8 1 32.7 - 32.8 0
27.8 - 27.9 2 32.8 - 32.9 1
27.9 - 28.0 2 32.9 - 33.0 1
28.0 - 28.1 2 33.0 - 33.1 1
28.1 - 28.2 2 33.1 - 33.2 2
28.2 - 28.3 3 33.2 - 33.3 3
28.3 - 28.4 2 33.3 - 33.4 3
28.4 - 28.5 2 33.4 - 33.5 3
28.5 - 28.6 2 33.5 - 33.6 3
28.6 - 28.7 2 33.6 - 33.7 4
28.7 - 28.8 2 33.7 - 33.8 4
28.8 - 28.9 2 33.8 - 33.9 5
28.9 - 29.0 3 33.9 - 34.0 5 bgs: below ground surface
* A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Interval Interval
ft. bgs ft. bgs
0 seat 3 seat
12 3
3 seat
Basket? Basket?N N
Interval Interval
ft. bgs ft. bgs
7 seat
Gray cells indicate blows with double bounce
11 21
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
35.0 - 35.1 1 40.0 - 40.1 1
35.1 - 35.2 1 40.1 - 40.2 1
35.2 - 35.3 1 40.2 - 40.3 1
35.3 - 35.4 1 40.3 - 40.4 1
35.4 - 35.5 2 40.4 - 40.5 2
35.5 - 35.6 2 40.5 - 40.6 2
35.6 - 35.7 2 40.6 - 40.7 2
35.7 - 35.8 4 40.7 - 40.8 3
35.8 - 35.9 3 40.8 - 40.9 3
35.9 - 36.0 3 40.9 - 41.0 3
36.0 - 36.1 3 41.0 - 41.1 2
36.1 - 36.2 4 41.1 - 41.2 4
36.2 - 36.3 3 41.2 - 41.3 3
36.3 - 36.4 4 41.3 - 41.4 4
36.4 - 36.5 3 41.4 - 41.5 3
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
37.5 - 37.6 0 42.5 - 42.6 1
37.6 - 37.7 1 42.6 - 42.7 2
37.7 - 37.8 0 42.7 - 42.8 2
37.8 - 37.9 1 42.8 - 42.9 2
37.9 - 38.0 1 42.9 - 43.0 2
38.0 - 38.1 1 43.0 - 43.1 2
38.1 - 38.2 1 43.1 - 43.2 2
38.2 - 38.3 2 43.2 - 43.3 2
38.3 - 38.4 2 43.3 - 43.4 2
38.4 - 38.5 2 43.4 - 43.5 2
38.5 - 38.6 2 43.5 - 43.6 1
38.6 - 38.7 3 43.6 - 43.7 2
38.7 - 38.8 2 43.7 - 43.8 2
38.8 - 38.9 3 43.8 - 43.9 2
38.9 - 39.0 3 43.9 - 44.0 2 bgs: below ground surface
* A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Interval Interval
ft. bgs ft. bgs
6 seat
Basket? Basket?N N
6 seat
17 16
9 seat
13 9
Interval Interval
ft. bgs ft. bgs
3 seat
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
45.0 - 45.1 2 50.0 - 50.1 2
45.1 - 45.2 2 50.1 - 50.2 2
45.2 - 45.3 2 50.2 - 50.3 2
45.3 - 45.4 2 50.3 - 50.4 3
45.4 - 45.5 3 50.4 - 50.5 3
45.5 - 45.6 4 50.5 - 50.6 4
45.6 - 45.7 4 50.6 - 50.7 4
45.7 - 45.8 5 50.7 - 50.8 6
45.8 - 45.9 4 50.8 - 50.9 6
45.9 - 46.0 3 50.9 - 51.0 6
46.0 - 46.1 3 51.0 - 51.1 6
46.1 - 46.2 3 51.1 - 51.2 7
46.2 - 46.3 3 51.2 - 51.3 7
46.3 - 46.4 3 51.3 - 51.4 8
46.4 - 46.5 4 51.4 - 51.5 7
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
47.5 - 47.6 1 -
47.6 - 47.7 0 -
47.7 - 47.8 1 -
47.8 - 47.9 0 -
47.9 - 48.0 1 -
48.0 - 48.1 3 -
48.1 - 48.2 3 -
48.2 - 48.3 3 -
48.3 - 48.4 4 -
48.4 - 48.5 5 -
48.5 - 48.6 5 -
48.6 - 48.7 6 -
48.7 - 48.8 5 -
48.8 - 48.9 7 -
48.9 - 49.0 8 -bgs: below ground surface
* A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Interval Interval
ft. bgs ft. bgs
11 seat
Basket? Basket?N N
12 seat
16 35 seat
Interval Interval
ft. bgs ft. bgs
3 seat
SPT 21 5
Headworks. SPT-21-5, Right Bank. FADC recovery intervals showing soil conditions of Quaternary Alluvium (Qal). (S. Swartz, 8/24/21)
Photo 1a 5.0 to 7.5 ft
SPT 21 5
Photo 1b 7.5 to 10.0 ft
Poorly Graded Sand with Silt, SP SM
Photo 1c 10.0 to 12.5 ft
6.9 ft Lean Clay, CL
9.2 ftLean Clay, CL Silty Sand, SM
Silty Sand, SM
Photo 1d 12.5 to 15.0 ft of Quaternary Alluvium (Qal). (S. Swartz, 8/24/21)
Photo 2a 15.0 to 17.5 ft
SPT 21 5
Photo 2b 17.5 to 20.0 ft
Poorly Graded Sand with Silt, SP SM
Photo 2c 20.0 to 22.5 ft
Silty Sand, SM
Photo 2d 22.5 to 25.0 ft of Quaternary Alluvium (Qal). (S. Swartz, 8/24/21 to 8/25/2021)
Photo 3a 25.0 to 27.5 ft
SPT 21 5
Photo 3b 27.5 to 30.0 ft
Photo 3c 30.0 to 32.5 ft
Sandy Silt, s(ML)
Photo 3d 32.5 to 35.0 ft
Silt with Sand, (ML)s
Sandy Silt, s(ML)
Photos 4a to 4e. SJRRP Channel Improvements at Sack Dam and Arroyo Canal of Quaternary Alluvium (Qal). (S. Swartz, 8/25/2021)
Photo 4a 35.0 to 37.5 ft
SPT 21 5
Photo 4b 37.5 to 40.0 ft
Photo 4c 40.0 to 42.5 ft
Lean Clay, CL
Photo 4d 42.5 to 45.0 ft
Lean Clay, CL
Lean Clay, CL
44.4 ftLean Clay, CL
Silt with Sand, (ML)s
Photo 4e 45.0 to 47.5 ft
Silt with Sand, (ML)s
Photos 5a to 5b. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-5, Right Bank. FADC and SPT recovery intervals showing soil conditions of Quaternary Alluvium (Qal). (S. Swartz, 8/25/2021)
Photo 5a 47.5 to 50.0 ft
SPT 21 5
Photo 5b SPT interval 50.0 to 51.5 ft
Lean Clay with Sand, (CL)s49.0 ft
Photo 6. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-5, Right Bank. Boxed core samples from the interval 5.0 to 22.0 ft. in Quaternary Alluvium (Qal).
Photo 7. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-5, Right Bank. Boxed core samples from the interval 22.0 to 40.0 ft. in Quaternary Alluvium (Qal).
Photo 8. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-5, Right Bank. Boxed core samples from the interval 40.0 to 50.0 ft. in Quaternary Alluvium (Qal).
Point ID: SPT-21-6 Geologist: S. Swartz
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
5.0 - 5.1 1 10.0 - 10.1 1
5.1 - 5.2 0 10.1 - 10.2 0
5.2 - 5.3 0 10.2 - 10.3 1
5.3 - 5.4 1 10.3 - 10.4 1
5.4 - 5.5 0 10.4 - 10.5 1
5.5 - 5.6 1 10.5 - 10.6 1
5.6 - 5.7 0 10.6 - 10.7 1
5.7 - 5.8 1 10.7 - 10.8 1
5.8 - 5.9 1 10.8 - 10.9 2
5.9 - 6.0 1 10.9 - 11.0 2
6.0 - 6.1 1 11.0 - 11.1 2
6.1 - 6.2 1 11.1 - 11.2 2
6.2 - 6.3 1 11.2 - 11.3 1
6.3 - 6.4 1 11.3 - 11.4 2
6.4 - 6.5 1 11.4 - 11.5 2
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
7.5 - 7.6 1 12.5 - 12.6 1
7.6 - 7.7 0 12.6 - 12.7 0
7.7 - 7.8 1 12.7 - 12.8 1
7.8 - 7.9 0 12.8 - 12.9 0
7.9 - 8.0 1 12.9 - 13.0 1
8.0 - 8.1 1 13.0 - 13.1 1
8.1 - 8.2 1 13.1 - 13.2 1
8.2 - 8.3 1 13.2 - 13.3 1
8.3 - 8.4 1 13.3 - 13.4 1
8.4 - 8.5 2 13.4 - 13.5 2
8.5 - 8.6 1 13.5 - 13.6 1
8.6 - 8.7 2 13.6 - 13.7 1
8.7 - 8.8 2 13.7 - 13.8 1
8.8 - 8.9 2 13.8 - 13.9 1
8.9 - 9.0 2 13.9 - 14.0 2 bgs: below ground surface *: A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected seat
Interval
Basket?
seat
9 16
Interval
Basket? NN
3 seat 3
Interval Interval
ft. bgs ft. bgs
Gray cells indicate blows with double bounce
2 seat
Basket? N Basket? N
ft. bgs ft. bgs
9 6
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
15.0 - 15.1 0 20.0 - 20.1 1
15.1 - 15.2 1 20.1 - 20.2 0
15.2 - 15.3 0 20.2 - 20.3 1
15.3 - 15.4 0 20.3 - 20.4 1
15.4 - 15.5 0 20.4 - 20.5 1
15.5 - 15.6 1 20.5 - 20.6 2
15.6 - 15.7 0 20.6 - 20.7 2
15.7 - 15.8 1 20.7 - 20.8 2
15.8 - 15.9 1 20.8 - 20.9 2
15.9 - 16.0 1 20.9 - 21.0 3
16.0 - 16.1 1 21.0 - 21.1 3
16.1 - 16.2 1 21.1 - 21.2 4
16.2 - 16.3 1 21.2 - 21.3 4
16.3 - 16.4 2 21.3 - 21.4 5
16.4 - 16.5 2 21.4 - 21.5 6
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
17.5 - 17.6 0 22.5 - 22.6 1
17.6 - 17.7 0 22.6 - 22.7 1
17.7 - 17.8 0 22.7 - 22.8 1
17.8 - 17.9 0 22.8 - 22.9 1
17.9 - 18.0 0 22.9 - 23.0 1
18.0 - 18.1 0 23.0 - 23.1 2
18.1 - 18.2 0 23.1 - 23.2 2
18.2 - 18.3 0 23.2 - 23.3 3
18.3 - 18.4 0 23.3 - 23.4 2
18.4 - 18.5 0 23.4 - 23.5 3
18.5 - 18.6 0 23.5 - 23.6 2
18.6 - 18.7 1 23.6 - 23.7 2
18.7 - 18.8 1 23.7 - 23.8 1
18.8 - 18.9 1 23.8 - 23.9 2
18.9 - 19.0 1 23.9 - 24.0 2 bgs: below ground surface
* A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Basket?N N
0 seat 5 seat
4 9
4 seat
7 22
Gray cells indicate blows with double bounce
Interval Interval
ft. bgs ft. bgs
1 seat
Interval Interval
ft. bgs ft. bgs
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
25.0 - 25.1 2 30.0 - 30.1 2
25.1 - 25.2 2 30.1 - 30.2 2
25.2 - 25.3 2 30.2 - 30.3 2
25.3 - 25.4 2 30.3 - 30.4 2
25.4 - 25.5 2 30.4 - 30.5 2
25.5 - 25.6 3 30.5 - 30.6 2
25.6 - 25.7 4 30.6 - 30.7 3
25.7 - 25.8 3 30.7 - 30.8 2
25.8 - 25.9 4 30.8 - 30.9 2
25.9 - 26.0 3 30.9 - 31.0 2
26.0 - 26.1 5 31.0 - 31.1 2
26.1 - 26.2 5 31.1 - 31.2 2
26.2 - 26.3 4 31.2 - 31.3 2
26.3 - 26.4 4 31.3 - 31.4 3
26.4 - 26.5 6 31.4 - 31.5 3
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
27.5 - 27.6 1 32.5 - 32.6 1
27.6 - 27.7 1 32.6 - 32.7 0
27.7 - 27.8 1 32.7 - 32.8 1
27.8 - 27.9 1 32.8 - 32.9 1
27.9 - 28.0 1 32.9 - 33.0 1
28.0 - 28.1 2 33.0 - 33.1 1
28.1 - 28.2 3 33.1 - 33.2 2
28.2 - 28.3 3 33.2 - 33.3 3
28.3 - 28.4 3 33.3 - 33.4 3
28.4 - 28.5 4 33.4 - 33.5 3
28.5 - 28.6 4 33.5 - 33.6 3
28.6 - 28.7 4 33.6 - 33.7 4
28.7 - 28.8 3 33.7 - 33.8 3
28.8 - 28.9 3 33.8 - 33.9 4
28.9 - 29.0 4 33.9 - 34.0 4 bgs: below ground surface
* A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Interval Interval
ft. bgs ft. bgs
10 seat 10 seat
24 12
4 seat
Basket? Basket?N N
Interval Interval
ft. bgs ft. bgs
5 seat
Gray cells indicate blows with double bounce
18 18
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
35.0 - 35.1 1 40.0 - 40.1 1
35.1 - 35.2 1 40.1 - 40.2 0
35.2 - 35.3 0 40.2 - 40.3 0
35.3 - 35.4 1 40.3 - 40.4 0
35.4 - 35.5 1 40.4 - 40.5 1
35.5 - 35.6 2 40.5 - 40.6 0
35.6 - 35.7 1 40.6 - 40.7 1
35.7 - 35.8 2 40.7 - 40.8 0
35.8 - 35.9 1 40.8 - 40.9 1
35.9 - 36.0 2 40.9 - 41.0 0
36.0 - 36.1 2 41.0 - 41.1 1
36.1 - 36.2 3 41.1 - 41.2 1
36.2 - 36.3 2 41.2 - 41.3 1
36.3 - 36.4 3 41.3 - 41.4 1
36.4 - 36.5 3 41.4 - 41.5 1
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
37.5 - 37.6 1 42.5 - 42.6 1
37.6 - 37.7 2 42.6 - 42.7 0
37.7 - 37.8 1 42.7 - 42.8 1
37.8 - 37.9 2 42.8 - 42.9 0
37.9 - 38.0 1 42.9 - 43.0 1
38.0 - 38.1 2 43.0 - 43.1 0
38.1 - 38.2 2 43.1 - 43.2 1
38.2 - 38.3 2 43.2 - 43.3 1
38.3 - 38.4 2 43.3 - 43.4 2
38.4 - 38.5 2 43.4 - 43.5 2
38.5 - 38.6 2 43.5 - 43.6 1
38.6 - 38.7 3 43.6 - 43.7 2
38.7 - 38.8 3 43.7 - 43.8 2
38.8 - 38.9 3 43.8 - 43.9 2
38.9 - 39.0 2 43.9 - 44.0 2 bgs: below ground surface
* A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Interval Interval
ft. bgs ft. bgs
4 seat
Basket? Basket?N N
2 seat
13 5
3 seat
13 9
Interval Interval
ft. bgs ft. bgs
7 seat
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
45.0 - 45.1 1 50.0 - 50.1 1
45.1 - 45.2 0 50.1 - 50.2 0
45.2 - 45.3 1 50.2 - 50.3 1
45.3 - 45.4 1 50.3 - 50.4 0
45.4 - 45.5 1 50.4 - 50.5 1
45.5 - 45.6 2 50.5 - 50.6 2
45.6 - 45.7 1 50.6 - 50.7 4
45.7 - 45.8 3 50.7 - 50.8 3
45.8 - 45.9 2 50.8 - 50.9 4
45.9 - 46.0 3 50.9 - 51.0 3
46.0 - 46.1 3 51.0 - 51.1 4
46.1 - 46.2 3 51.1 - 51.2 4
46.2 - 46.3 3 51.2 - 51.3 3
46.3 - 46.4 3 51.3 - 51.4 4
46.4 - 46.5 4 51.4 - 51.5 5
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
47.5 - 47.6 1 -
47.6 - 47.7 0 -
47.7 - 47.8 0 -
47.8 - 47.9 1 -
47.9 - 48.0 0 -
48.0 - 48.1 0 -
48.1 - 48.2 1 -
48.2 - 48.3 0 -
48.3 - 48.4 0 -
48.4 - 48.5 1 -
48.5 - 48.6 1 -
48.6 - 48.7 1 -
48.7 - 48.8 1 -
48.8 - 48.9 1 -
48.9 - 49.0 2 -bgs: below ground surface
* A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Interval Interval
ft. bgs ft. bgs
4 seat
Basket? Basket?N N
3 seat
16 20 seat
Interval Interval
ft. bgs ft. bgs
2 seat
SPT 21 6
Headworks. SPT-21-6, Left Bank. FADC recovery intervals showing soil conditions of Quaternary Alluvium (Qal). (S. Swartz, 9/28/21)
Photo 1a 5.0 to 7.5 ft
SPT 21 6
Photo 1b 7.5 to 10.0 ft
Photo 1c 10.0 to 12.5 ft
Lean Clay with Sand, (CL)s
10.4 ft
Interbedded Lean Clay with Sand, (CL)s and Sandy Lean Clay, s(CL)
Photo 1d 12.5 to 15.0 ft
Sandy Lean Clay, s(CL)
14.4 ft Clayey Sand, SC12.5 ft
Headworks. SPT-21-6, Left Bank. FADC recovery intervals showing soil conditions of Quaternary Alluvium (Qal). (S. Swartz, 9/28/21)
Photo 2a 15.0 to 17.5 ft
SPT 21 6
Photo 2b 17.5 to 20.0 ft
Photo 2c 20.0 to 22.5 ft
Sandy Lean Clay, s(CL)
Photo 2d 22.5 to 25.0 ft
Silty Sand, SM
Poorly Graded Sand, SP
15.3 ft Clayey Sand, SC
15.9 ft Sandy Silt, s(ML)
Poorly Graded Sand, SP
Headworks. SPT-21-6, Left Bank. FADC and SPT recovery intervals showing soil conditions of Quaternary Alluvium (Qal). No recovery from 27.5 to 30.0 feet. No photo was taken of FADC interval 35.0 to 37.5 feet. (S. Swartz, 9/28/21)
Photo 3a 25.0 to 27.5 ft
SPT 21 6
Photo 3b 30.0 to 32.5 ft
Photo 3c 32.5 to 35.0 ft
Photo 3d SPT interval 35.0 to 36.5 ft
26.7 ftLean Clay with Sand, (CL)s
Poorly Graded Sand, SP
Silty Sand, SM
32.0 ft
Silty Sand, SM
Silt with Sand, (ML)s
Headworks. SPT-21-6, Left Bank. FADC recovery intervals showing soil condition of Quaternary Alluvium (Qal). (S. Swartz, 9/28/21 and 9/29/2021)
Photo 4a 37.5 to 40.0 ft
SPT 21 6
Photo 4b 40.0 to 42.5 ft
Photo 4c 42.5 to 45.0 ft
Photo 4d 45.0 to 47.5 ft
Lean Clay, CL
Lean Clay, CL
Silt with Sand, (ML)s
46.2 ft Sandy Silt, s(ML)
Headworks. SPT-21-6, Left Bank. FADC and SPT recovery intervals showing soil conditions of Quaternary Alluvium (Qal). (S. Swartz, 9/29/2021)
Photo 5a 47.5 to 50.0 ft
SPT 21 6
Photo 5b SPT interval 50.0 to 51.5 ft
Sandy Silt, s(ML)
50.4 ft
Photo 6. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-6, Left Bank. Boxed core samples from the interval 5.0 to 20.7 ft. in Quaternary Alluvium (Qal).
(S. Swartz, 9/29/21)
Photo 7. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-6, Left Bank. Boxed core samples from the interval 20.7 to 38.8 ft. in Quaternary Alluvium (Qal).
Photo 8. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-6, Left Bank. Boxed core samples from the interval 38.8 to 50.0 ft. in Quaternary Alluvium (Qal).
Point ID: SPT 21 7 Geologist: Lisa Zaffran
Project: SJRRP, Sack Dam/Arroyo Canal Driller: Steve Scrivner
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
5.0 - 5.1 10.0 - 10.1
5.1 - 5.2 10.1 - 10.2
5.2 - 5.3 1 10.2 - 10.3 1
5.3 - 5.4 10.3 - 10.4 1
5.4 - 5.5 1 10.4 - 10.5 1
5.5 - 5.6 10.5 - 10.6 1
5.6 - 5.7 10.6 - 10.7 1
5.7 - 5.8 10.7 - 10.8 1
5.8 - 5.9 10.8 - 10.9 1
5.9 - 6.0 10.9 - 11.0 2
6.0 - 6.1 11.0 - 11.1 2
6.1 - 6.2 11.1 - 11.2 2
6.2 - 6.3 11.2 - 11.3 2
6.3 - 6.4 11.3 - 11.4 2
6.4 - 6.5 11.4 - 11.5 2
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
7.5 - 7.6 12.5 - 12.6
7.6 - 7.7 1 12.6 - 12.7 1
7.7 - 7.8 12.7 - 12.8
7.8 - 7.9 12.8 - 12.9 1
7.9 - 8.0 1 12.9 - 13.0
8.0 - 8.1 13.0 - 13.1
8.1 - 8.2 1 13.1 - 13.2 1
8.2 - 8.3 13.2 - 13.3 1
8.3 - 8.4 1 13.3 - 13.4
8.4 - 8.5 1 13.4 - 13.5 1
8.5 - 8.6 1 13.5 - 13.6 2
8.6 - 8.7 1 13.6 - 13.7 2
8.7 - 8.8 1 13.7 - 13.8 2
8.8 - 8.9 2 13.8 - 13.9 2
8.9 - 9.0 2 13.9 - 14.0 2 bgs: below ground surface *: A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Gray cells indicate blows with double bounce (rod deflection)
2 seat
Basket? Basket?
ft. bgs ft. bgs
7 10
Interval Interval
ft. bgs ft. bgs
2 seat 2 seat
Interval
Basket?
seat
5 16
Interval
Basket?not used on any of the intervals for this drill hole
Point ID: SPT-21-7 Geologist: Lisa Zaffran
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
15.0 - 15.1 0 20.0 - 20.1 0
15.1 - 15.2 0 20.1 - 20.2 1
15.2 - 15.3 1 20.2 - 20.3
15.3 - 15.4 20.3 - 20.4
15.4 - 15.5 20.4 - 20.5
15.5 - 15.6 20.5 - 20.6 3
15.6 - 15.7 1 20.6 - 20.7 2
15.7 - 15.8 20.7 - 20.8 3
15.8 - 15.9 1 20.8 - 20.9 1
15.9 - 16.0 20.9 - 21.0 2
16.0 - 16.1 21.0 - 21.1 1
16.1 - 16.2 1 21.1 - 21.2 1
16.2 - 16.3 1 21.2 - 21.3 1
16.3 - 16.4 1 21.3 - 21.4 2
16.4 - 16.5 1 21.4 - 21.5 1
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
17.5 - 17.6 0 22.5 - 22.6 0
17.6 - 17.7 0 22.6 - 22.7
17.7 - 17.8 0 22.7 - 22.8 1
17.8 - 17.9 0 22.8 - 22.9 1
17.9 - 18.0 1 22.9 - 23.0 1
18.0 - 18.1 1 23.0 - 23.1
18.1 - 18.2 23.1 - 23.2 1
18.2 - 18.3 1 23.2 - 23.3 2
18.3 - 18.4 23.3 - 23.4
18.4 - 18.5 1 23.4 - 23.5 2
18.5 - 18.6 1 23.5 - 23.6 1
18.6 - 18.7 2 23.6 - 23.7 1
18.7 - 18.8 1 23.7 - 23.8 2
18.8 - 18.9 2 23.8 - 23.9 1
18.9 - 19.0 2 23.9 - 24.0 2 bgs: below ground surface
* A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Gray cells indicate blows with double bounce (rod deflection)
Interval Interval
ft. bgs ft. bgs
1 seat
Interval Interval
ft. bgs ft. bgs
Basket? Basket?
Basket?
7 seat
4 6
Basket?
1 seat 3 seat
8 7
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
25.0 - 25.1 0 30.0 - 30.1 0
25.1 - 25.2 0 30.1 - 30.2
25.2 - 25.3 0 30.2 - 30.3 1
25.3 - 25.4 0 30.3 - 30.4 2
25.4 - 25.5 1 30.4 - 30.5 2
25.5 - 25.6 30.5 - 30.6 2
25.6 - 25.7 1 30.6 - 30.7 2
25.7 - 25.8 1 30.7 - 30.8 3
25.8 - 25.9 2 30.8 - 30.9 3
25.9 - 26.0 1 30.9 - 31.0 4
26.0 - 26.1 1 31.0 - 31.1 3
26.1 - 26.2 1 31.1 - 31.2 4
26.2 - 26.3 2 31.2 - 31.3 4
26.3 - 26.4 1 31.3 - 31.4 4
26.4 - 26.5 2 31.4 - 31.5 3
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
27.5 - 27.6 0 32.5 - 32.6 0
27.6 - 27.7 1 32.6 - 32.7 0
27.7 - 27.8 2 32.7 - 32.8 0
27.8 - 27.9 2 32.8 - 32.9 0
27.9 - 28.0 2 32.9 - 33.0 0
28.0 - 28.1 2 33.0 - 33.1
28.1 - 28.2 2 33.1 - 33.2 1
28.2 - 28.3 2 33.2 - 33.3
28.3 - 28.4 2 33.3 - 33.4 1
28.4 - 28.5 3 33.4 - 33.5 1
28.5 - 28.6 2 33.5 - 33.6 1
28.6 - 28.7 3 33.6 - 33.7 2
28.7 - 28.8 3 33.7 - 33.8 1
28.8 - 28.9 4 33.8 - 33.9 2
28.9 - 29.0 3 33.9 - 34.0 3 bgs: below ground surface
* A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Gray cells indicate blows with double bounce (rod deflection)
15 9
Basket? Basket?
0 seat
Basket? Basket?
Interval Interval
ft. bgs ft. bgs
7 seat
5 seat
7 18
Interval Interval
ft. bgs ft. bgs
1 seat
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
35.0 - 35.1 0 40.0 - 40.1
35.1 - 35.2 0 40.1 - 40.2
35.2 - 35.3 0 40.2 - 40.3
35.3 - 35.4 40.3 - 40.4
35.4 - 35.5 1 40.4 - 40.5
35.5 - 35.6 2 40.5 - 40.6 1
35.6 - 35.7 1 40.6 - 40.7 1
35.7 - 35.8 3 40.7 - 40.8 1
35.8 - 35.9 2 40.8 - 40.9
35.9 - 36.0 2 40.9 - 41.0 1
36.0 - 36.1 4 41.0 - 41.1 1
36.1 - 36.2 3 41.1 - 41.2 1
36.2 - 36.3 3 41.2 - 41.3 2
36.3 - 36.4 2 41.3 - 41.4 2
36.4 - 36.5 3 41.4 - 41.5 2
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
37.5 - 37.6 1 42.5 - 42.6 0
37.6 - 37.7 3 42.6 - 42.7
37.7 - 37.8 4 42.7 - 42.8
37.8 - 37.9 4 42.8 - 42.9
37.9 - 38.0 4 42.9 - 43.0
38.0 - 38.1 3 43.0 - 43.1 1
38.1 - 38.2 4 43.1 - 43.2 1
38.2 - 38.3 3 43.2 - 43.3 2
38.3 - 38.4 3 43.3 - 43.4 1
38.4 - 38.5 3 43.4 - 43.5 2
38.5 - 38.6 3 43.5 - 43.6 1
38.6 - 38.7 3 43.6 - 43.7 1
38.7 - 38.8 3 43.7 - 43.8 3
38.8 - 38.9 3 43.8 - 43.9 1
38.9 - 39.0 3 43.9 - 44.0 2 bgs: below ground surface
* A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Gray cells indicate blows with double bounce (rod deflection)
Basket? Basket?
Interval Interval
ft. bgs ft. bgs
16 seat 4 seat
15 8
Basket? Basket?
3 seat
15 8
Interval Interval
1 seat
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
45.0 - 45.1 0 50.0 - 50.1
45.1 - 45.2 0 50.1 - 50.2 1
45.2 - 45.3 0 50.2 - 50.3 1
45.3 - 45.4 0 50.3 - 50.4 2
45.4 - 45.5 0 50.4 - 50.5 1
45.5 - 45.6 50.5 - 50.6
45.6 - 45.7 50.6 - 50.7 1
45.7 - 45.8 50.7 - 50.8 2
45.8 - 45.9 50.8 - 50.9 1
45.9 - 46.0 50.9 - 51.0 1
46.0 - 46.1 2 51.0 - 51.1
46.1 - 46.2 2 51.1 - 51.2 1
46.2 - 46.3 3 51.2 - 51.3 1
46.3 - 46.4 3 51.3 - 51.4 1
46.4 - 46.5 4 51.4 - 51.5 1
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
47.5 - 47.6 3 -
47.6 - 47.7 3 -
47.7 - 47.8 3 -
47.8 - 47.9 3 -
47.9 - 48.0 3 -
48.0 - 48.1 3 -
48.1 - 48.2 4 -
48.2 - 48.3 3 -
48.3 - 48.4 3 -
48.4 - 48.5 3 -
48.5 - 48.6 3 -
48.6 - 48.7 3 -
48.7 - 48.8 3 -
48.8 - 48.9 3 -
48.9 - 49.0 4 -bgs: below ground surface
* A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Gray cells indicate blows with double bounce (rod deflection)
Basket? Basket?
Interval Interval
ft. bgs ft. bgs
15 seat seat
Basket? Basket?
5 seat
14 4
Interval Interval
0 seat
SPT 21 7
Photos 1a to 1c. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-7, Left Bank. FADC recovery intervals showing soil conditions of Quaternary Alluvium (Qal). No photo was taken of FADC interval 10.0 to 12.5 feet. (L.
Zaffran, 10/06/21)
Photo 1a 5.0 to 7.5 ft
SPT 21 7
Photo 1b 7.5 to 10.0 ft
Photo 1c 12.5 to 15.0 ft
Photo unavailable from 10.0 to 12.5 ft
8.6 ftSilty Sand, SM
Silty Sand, SM
Poorly Graded Sand with Clay, SP SC
Headworks. SPT-21-7, Left Bank. FADCand SPT recovery intervals showing soil conditions of Quaternary Alluvium (Qal). (L. Zaffran, 10/06/21)
Photo 2a 15.0 to 17.5 ft
SPT 21 7
Photo 2b 17.5 to 20.0 ft
Photo 2c 20.0 to 21.5 ft SPT recovery
Photo 2d 22.5 to 25.0 ft
15.7 ft
Poorly Graded Sand with Clay, SP SC
Sandy Silt, s(ML) with interbedded SP
21.2 ft
Lean Clay, CL
Lean Clay, CL
Sandy Silt, s(ML) with interbedded SP
Sandy Silt, s(ML) with interbedded SP
ML lense
22.5 22.7 ft
Quaternary Alluvium (Qal). (L. Zaffran, 10/06/21)
Photo 3a 25.0 to 27.5 ft
SPT 21 7
Photo 3b 27.5 to 29.0 ft SPT recovery
Photo 3c 30.0 to 32.5 ft
Photo 3d 32.5 to 35.0 ft
28.5 ft
Lean Clay, CL
32.0 ft
Sandy Silt, s(ML)
Sandy Silt, s(ML)
Quaternary Alluvium (Qal). (E. Thomas, 10/07/21)
Photo 4b 37.5 to 40.0 ft
SPT 21 7
Photo 4c 40.0 to 42.5 ft
Photo 4a 35.0 to 37.5 ft
Photo 4d 42.5 to 45.0 ft
Lean Clay, CL
Poorly Graded Sand with Silt, SP SM
41.4 ft
37.0 ft
42.2 ft
44.3 ft
Lean Clay with Sand, (CL)s
Headworks. SPT-21-7, Left Bank. FADC and SPT recovery intervals showing soil conditions of Quaternary Alluvium (Qal). (E. Thomas, 10/07/21)
Photo 5b 47.5 to 50.0 ft
SPT 21 7
Photo 5a 45.0 to 47.5 ft
Clayey Sand, SC
46.0 ft
Lean Clay with Sand, (CL)s
Lean Clay with Sand, (CL)s
Photo 5c 50.0 to 51.5 ft SPT interval
50.3 ft
Silty Sand, SM
Lean Clay with Sand, (CL)s
Photo 6. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-7, Left Bank. Boxed core samples from the interval 5.0 to 24.0 ft. in Quaternary Alluvium (Qal).
(L. Zaffran, 10/06/21)
Photo 7. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-7, Left Bank. Boxed core samples from the interval 24.0 to 45.0 ft. in Quaternary Alluvium (Qal).
(L. Zaffran, 10/06/21 and 10/07/21)
Photo 8. SJRRP Channel Improvements at Sack Dam and Arroyo Canal Headworks. SPT-21-7, Left Bank. Boxed core samples from the interval 45.0 to 50.0 ft. in Quaternary Alluvium (Qal).
(L. Zaffran, 10/07/21)
Point ID: SPT 21 8 Geologist: S. Swartz
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
5.0 - 5.1 1 10.0 - 10.1 0
5.1 - 5.2 0 10.1 - 10.2 0
5.2 - 5.3 1 10.2 - 10.3 0
5.3 - 5.4 0 10.3 - 10.4 1
5.4 - 5.5 1 10.4 - 10.5 0
5.5 - 5.6 0 10.5 - 10.6 1
5.6 - 5.7 1 10.6 - 10.7 1
5.7 - 5.8 1 10.7 - 10.8 1
5.8 - 5.9 1 10.8 - 10.9 1
5.9 - 6.0 1 10.9 - 11.0 1
6.0 - 6.1 1 11.0 - 11.1 2
6.1 - 6.2 1 11.1 - 11.2 3
6.2 - 6.3 1 11.2 - 11.3 4
6.3 - 6.4 1 11.3 - 11.4 4
6.4 - 6.5 2 11.4 - 11.5 4
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
7.5 - 7.6 0 12.5 - 12.6 0
7.6 - 7.7 0 12.6 - 12.7 0
7.7 - 7.8 0 12.7 - 12.8 0
7.8 - 7.9 1 12.8 - 12.9 0
7.9 - 8.0 0 12.9 - 13.0 1
8.0 - 8.1 1 13.0 - 13.1 0
8.1 - 8.2 0 13.1 - 13.2 0
8.2 - 8.3 1 13.2 - 13.3 1
8.3 - 8.4 0 13.3 - 13.4 0
8.4 - 8.5 1 13.4 - 13.5 1
8.5 - 8.6 0 13.5 - 13.6 0
8.6 - 8.7 0 13.6 - 13.7 1
8.7 - 8.8 1 13.7 - 13.8 0
8.8 - 8.9 0 13.8 - 13.9 1
8.9 - 9.0 0 13.9 - 14.0 1 bgs: below ground surface *: A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Gray cells indicate blows with double bounce
3 seat
Basket? N Basket? N
ft. bgs ft. bgs
1 3
Interval Interval
ft. bgs ft. bgs
1 seat 1 seat
Interval
Basket?
seat
10 22
Interval
Basket? NN
Point ID: SPT-21-8 Geologist: S. Swartz
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
15.0 - 15.1 1 20.0 - 20.1 2
15.1 - 15.2 0 20.1 - 20.2 2
15.2 - 15.3 1 20.2 - 20.3 2
15.3 - 15.4 0 20.3 - 20.4 2
15.4 - 15.5 1 20.4 - 20.5 2
15.5 - 15.6 1 20.5 - 20.6 3
15.6 - 15.7 1 20.6 - 20.7 3
15.7 - 15.8 1 20.7 - 20.8 3
15.8 - 15.9 1 20.8 - 20.9 3
15.9 - 16.0 1 20.9 - 21.0 4
16.0 - 16.1 1 21.0 - 21.1 3
16.1 - 16.2 1 21.1 - 21.2 4
16.2 - 16.3 1 21.2 - 21.3 3
16.3 - 16.4 2 21.3 - 21.4 4
16.4 - 16.5 2 21.4 - 21.5 4
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
17.5 - 17.6 0 22.5 - 22.6 1
17.6 - 17.7 0 22.6 - 22.7 2
17.7 - 17.8 0 22.7 - 22.8 3
17.8 - 17.9 0 22.8 - 22.9 2
17.9 - 18.0 0 22.9 - 23.0 3
18.0 - 18.1 1 23.0 - 23.1 4
18.1 - 18.2 0 23.1 - 23.2 4
18.2 - 18.3 1 23.2 - 23.3 4
18.3 - 18.4 0 23.3 - 23.4 3
18.4 - 18.5 1 23.4 - 23.5 2
18.5 - 18.6 1 23.5 - 23.6 1
18.6 - 18.7 1 23.6 - 23.7 1
18.7 - 18.8 1 23.7 - 23.8 1
18.8 - 18.9 1 23.8 - 23.9 2
18.9 - 19.0 2 23.9 - 24.0 1 bgs: below ground surface
* A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Gray cells indicate blows with double bounce
Interval Interval
ft. bgs ft. bgs
3 seat
Interval Interval
ft. bgs ft. bgs
Basket? Basket?N N
Basket?
10 seat
7 18
Basket?N N
0 seat 11 seat
6 6
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
25.0 - 25.1 1 30.0 - 30.1 1
25.1 - 25.2 0 30.1 - 30.2 1
25.2 - 25.3 1 30.2 - 30.3 1
25.3 - 25.4 1 30.3 - 30.4 1
25.4 - 25.5 1 30.4 - 30.5 2
25.5 - 25.6 1 30.5 - 30.6 2
25.6 - 25.7 2 30.6 - 30.7 3
25.7 - 25.8 1 30.7 - 30.8 3
25.8 - 25.9 1 30.8 - 30.9 4
25.9 - 26.0 1 30.9 - 31.0 3
26.0 - 26.1 0 31.0 - 31.1 2
26.1 - 26.2 1 31.1 - 31.2 3
26.2 - 26.3 1 31.2 - 31.3 3
26.3 - 26.4 1 31.3 - 31.4 4
26.4 - 26.5 1 31.4 - 31.5 3
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
27.5 - 27.6 1 32.5 - 32.6 0
27.6 - 27.7 0 32.6 - 32.7 0
27.7 - 27.8 1 32.7 - 32.8 0
27.8 - 27.9 0 32.8 - 32.9 0
27.9 - 28.0 1 32.9 - 33.0 1
28.0 - 28.1 1 33.0 - 33.1 1
28.1 - 28.2 2 33.1 - 33.2 1
28.2 - 28.3 1 33.2 - 33.3 2
28.3 - 28.4 2 33.3 - 33.4 2
28.4 - 28.5 1 33.4 - 33.5 2
28.5 - 28.6 2 33.5 - 33.6 3
28.6 - 28.7 2 33.6 - 33.7 4
28.7 - 28.8 2 33.7 - 33.8 3
28.8 - 28.9 2 33.8 - 33.9 4
28.9 - 29.0 3 33.9 - 34.0 3 bgs: below ground surface
* A zero "0" SPT blow count indicates the sampler penetrated the interval shown under the dead weight of the drill rod and hammer.
Blow counts are uncorrected
Gray cells indicate blows with double bounce
11 17
Basket? Basket?N N
1 seat
Basket? Basket?N N
Interval Interval
ft. bgs ft. bgs
3 seat
6 seat
4 15
Interval Interval
4 seat
Blows Blows Blows Blows Blows Blows
Per 0.1 ft. Per 0.5 ft. Per 1 ft. Per 0.1 ft. Per 0.5 ft. Per 1 ft.
35.0 - 35.1 1 40.0 - 40.1 1
35.1 - 35.2 1 40.1 - 40.2 0
35.2 - 35.3 1 40.2…
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