APPENDIX J— Continued.RECORD OF SINKING CAISSONS.PIER I— Continued.
Datb.
Elevations op Cutting Edge.
Above Mean Sea Level.
Sunk in24
Hours.
Total
Sinkage.
Elevations op Sand.
Original Elevation = 199.4.
AveragePene-tration opCaisson.
Water
Gauge.
Depth
Iuhrrsed.
Weights.
Air Pressure.
ReactionDue toAir
Pressure.
Net
Weight.
Surface
IN
Contact.
AverageWeight perSq. Ft. opSurfaceExposed toFriction.
Material.
1890.
N.E.
N.W.
S.E.
S.W.
Average.
N.E.
N.W.
S.E.
s.w.
Average.
Caisson.
Masonry.
Sand.
Water.
Total.
Indicated.
Calculated.
Tons.
Tons.
Tons.
Tons.
Lbs.
Lbs.
Mar. 21
156.99
157.02
157.02
156.93
156.99
0.04
42.61
202.4
194.1
205.6
200.6
200.7
43.71
216.0
59.01
5948
1199
87
166
7400
26.50
25.61
3868
- 3532
8611
82.0
* * 22
156.20
156.23
156.23
156.15
156.. 20
0.79
43.40
202.3
193.4
205.0
200.7
200.3
44.10
216.1
59.90
5948
1200
88
196
7432
27.00
25.99
3926
3506
8088
807
“ 23
155.40
155.42
155.43
155.34
155,. 40
0.80
44.20
202.9
194.4
204.5
200.2
200.5
45.10
216.2
60.80
5948
1200
90
227
7465
27.00
26.39
3986
3479
8885
783
“ 24
1 ob. o9
155.41
155.42
155.33
155.39
0.01
44.21
202.8
194.8
206.7
200.3
201.1
45.71
216.2
.60.81
5948
1200
91
227
7466
28.25
26.39
3986
3480
9005
773
u <<
“ 25
155.36
155.33
155.39
155.30
155.36
0.03
44.24
202.6
194.3
204.8
200.1
200.5
45.14
216.2
60.84
5948
1405
90
227
7670
28.00
26.40
3987
3683
8892
828
u n
“ 26
154.82
154.83
154.81
154.72
154.80
0.56
44.80
202.5
193.7
204.1
199.1
199.9
45.10
216.1
61.30
5948
1495
90
243
7776
28.50
26.60
4018
3758
8885 f
846
11 u
“ 27
153.90
153.92
153.90
153.82
153.88
0.92
45.72
201.6
194.1
204.3
199.9
200.0
46.12
216.0
62.12
5948
1661
92
279
7980
28.50
26.96
4072
3908
9085
800
“ 28
151.87
151.90
151.86
151.76
151.85
2.03
47.75
202.4
193.6
204.8
201.1
200.5
48.65
216.0
64.15
5948
1782
97
340
8167
30.50
27.84
4205
3962
9584
828
“ 29
150.87
150.90
150.86
150.78
150.85
1.00
48.75
202,6
194.3
204.8
200.9
200.6
49.75
216.0
65.15
5948
1925
100
370
8343
29.25
28.27
4270
4073
9801
831
“ 30
148.50
148.52
148.45
148.40
148.47
2.38
51.13
201.6
194.0
204.5
200.1
200.1
51.63
216.0
67.53
5948
1973
103
461
8485
27.50
29.31
4427
4058
10171
798
Clay, i sand
“ 31
147.20
147.23
147.15
147.10
147.17
1.30
52.43
200.1
194.6
202.8
201.5
199.8
52.63
216.0
68.83
5948
1973
105
504
8530
27.25
29.87
4512
4018
10368
775
11 c.i tt
April 1
146.19
146.21
146.14
146.09
146.16
1.01
53.44
199.7
194.8
202.8
200.5
199.5
53.34
216.2
70.04
5948
1973
121
550
8592
27.00
30.40
4592
4000
10508
701
2
145.44
145.47
145.39
145.35
145.41
0.75
54.19
200.3
195.7
202.2
200.6
199.7
54.29
216.2
70.79
5948
1973
158
547
8626
28.50
30.72
4640
3986
10095
745
" 3
145.44
145.47
145.39
145.35
145.41
0.00
54.19
200.3
194.4
202.3
200.6
199.4
53.99
216.2
70.79
5948
1973
149
552
8622
30.75
30.72
4640
3982
10036
749
It it tt tt
" 4
145.44
145.47
145.39
145.35
145.41
0.00
54,19
200.2
195.8
202.6
202.0
200.1
54.69
216.2
70.79
5948
1973
179
537
8637
30.00
30.72
4640
3997
10774
742
it tt tt tt
“ 5
144.24
144.26
144.17
144.13
144.20
1.21
55,40
199.1
196.8
202.5
202.7
200.3
56.10
216.2
72.00
5948
1973
241
549
8711
31.50
31.25
4720
3991
11052
722
tt tt tt tt
“ 6
144.24
144.26
144.17
144.13
144.20
0.00
55.40
200.2
196.8
202.1
202.3
200.4
56.20
216.2
72.00
5948
1973
247
543
8711
30.00
31.25
4720
3991
11071
721
(( tt tt tt
7
144.23
144.25
144.16
144.12
144.19
0.01
55.41
199.6
199.6
202.4
203.6
201.3
57.11
216.2
72.01
5948
1973
288
515
8724
29.75
31.25
4720
4004
11251
712
'* 8
144.23
144.25
144.16
144.12
144.19
0.00
55.41
198.5
197.5
201.3
203,2
200.1
55.91
216.2
72.01
5948
1973
230
554
8705
30.50
31.25
4720
3985
11014
723
tt tt tt tt
“ 9
142.77
142.79
142.68
144.64
142.72
1.47
56.88
200.0
195.8
201.3
202,3
199.8
57.08
216.2
73.48
5948
1973
286
576
8783
31.00
31.89
4817
3966
11245
700
“ 10
142.76
142.78
142.67
142.63
142.71
0.01
56.89
198.5
197.4
201.6
204.2
200.4
57.69
216.1
73.39
5948
1973
331
553
8805
31.00
31.85
4811
3994
11365
703
tt tt tt tt
“ ii
142.75
142.77
142.66
142.62
142.70
0.01
56 90
198.9
199.1
201.1
203.9
200.7
' 58.00
216.1
73.40
5948
2121
349’
' 544
8962
32.00
31.86 1
4813
4149
11420
727
tt tt tt tt
“ 12
141.43
141.45
141.31
141.25
141.36
1.34
58.24
198.2
197.6
200.9
203.2
200.0
58.64
216.1
74.74
5948
2300
385
1 575
9208
32.50
32.44
4900
4308
11552
740
tt tt■ tt 11
“ 13
141.43
141.45
141.31
141.25
141.36
0.00
58.24
197.9
196.4
200.0
202.3
199.1
57.74
216.0
74.64
5948
2300
334
598
9180
33.25
32.39
4898
4287
11375
754
“ 14
13y.54
139.68
lyy.52
1.39,. 49
139.58
1.78
60.02
198.6
197.8
200.0
203.4
199.9
60.32
216.0
76.42
5948
2300
493
' 577
9318
33.00
33.17
5011 .
4307
11883
725
15
138.73
138.78
138.69
188.62
138.71
0.87
60.89
197.3
196.6
200.1
201.0
198.7
59.99
215.8
77.09
5948
2300
471
613
9332
31.00
33.46
5054
4278
11818
724
“ 16
138.73
138.78
13S.69
138.62
138.71
0.00
60.89
197.4
197.0
199.3
200.9
198.7
59.99
215,7
76.99
5948
2300
471
: 609
9828
31.00
33.41
5047
4281
11818
725
tt <t tt tt
“ 17
138.72
138.77
138.68
138.61
138.70
0.01
60.90
197.3
196.2
199.5
201.8
198.7
60.00
215,5
76.80
5948
2300
472
603
9323
33.00
33.33
5035
4288
11820-
726
tt tt tt <(
“ 18
137.90
137.93
137.82
137.77
137.85
0.85
61.75
197.2
195.6
199.3
203.0
198.8
60.95
215,2
77.35
5948
2300
536
594
9378-
33.00
33.57
5071
4307
12007
717
“ 19
137.90
137.93
137.82
137.77
137.85
0.00
61.75
197.4
196.8
199.1
201.8
198.8
60.95
214.5
76.65
5948
2300
536
1 568.
9352
35.00
38.27
5026
4326
12007
72.1
“ 20
137.90
137.93
137.82
137.77
137.85
0.00
61.75
197.6
196.3
199.3
200,9
198.5
60.65
213,5
75.65
5948
2300
536
540
9324
34.00
32.83
4959
4365
11948
731
“ 21
137.90
137.93
137.82
137.77
137.85.
0.00
61.75
195.9
199.3
199.2
205,4
199.9
' 62.05
212.4
74.55
5948
2300
609
459
9316
33.50
32.35
4886
4430
12224
725
“ 22
137.90
137.93
137.82
187.77
137:85
0.00
61.75
195.5
199.3
198.3
203.8
199.2
61.35
211.5
73.65
5948
2300
562
442
9252
34.00
31.96
4828
4424
12086
732
Reharks.
Started sand pumps.
Commenced blowing out material.
Stopped sand pumps and blow out.Hoisting out clay.
Began sealing at 5 p.m.
Stopped air pumps at 12.25 a.m., April 23