62
J/Hi )■—.!. X ! • i /->'■ I , \
>--• :i/c> C'KNK- ■ • • a, in-: diAPPENDIX j— Continued.
RECORD OF SINKING CAISSONS.
PIER V.
Date.
Elevations of Cutting Edge
Above Mean Sea Level.
Sunk in24
Hours.
Total
Sinkage.
Elevations of Sand.
Original Elevation = 211.3.
AveragePene- •
tration of
Caisson.
Water
Gauge.
Depth
Immersed.
Weights.
Air Pressure.
ReactionDue to
Air
' Pressure.
Net
Weight.
Surface
in
Contact.
AverageWeight perSq. Ft. of• SurfaceExposed to
Friction.
Material.
1890.
N.E.
N.W.
S.E.
s.w.
Average,
,N.E.
N.W.
S.E.
. S.W. ,
Average.
. Caisson.
Sand.
Water.
Total.
Indicated.
Calculated.
Tons.
Tons.
Tons.
Tons.
Lbs.
Lbs.
Tons.
Tons'
Sq. Ft.
Apr.
25
211.82
211.82
211.82,;
211.82
211.82
26
May
tt
7
211.72
211.68
211.48
211.59
211.62
0.20
. 211.7
210.9
211.8
211.4
. .211.3
8
209.32
209.39
209.51
209.48
209.42
2.20
2.40
211.7
.210.9
211.3
. 211.4 .
' ,211.3
tt
9
206.72
206.37
206.49
206.15
206.43
2.99
5.39
210.8
210.9
210.6
210.9
.210.8
. 4.37
211.1
. . 4.67 .
168
.. 5 .
173
" 4.00
' . 2.03
128
' 45
■ "530
17 b
(
10
201.64
201.25
200.70
200.31
200.98
5.45
10.84
209.8
209.6
210.1
210.1
209.9
8.92
209.6
8.62
612
10
622
5.75
3.74
236
386
1183
fi53
11 a
tt
11
194.89
194.89
195.16
195.17
195.03
5.95
16.79 ,
210.2
.208.8
209.6
210.2
.■ 209.7
.. 14.67
210.1
;r 15.07
821
17
638
9.00
6.54
413
,425
, 1781
. 477
“ t“
t
12
193.01
192.92
192.03
191 .90
192.48
2.55
19.34
209.6
209.7
210.3
210.3
210.0
17.52
210.3
17.82
853
20
873
9.75
7.73
488
385
2127
362
(
13
188.15
188.18
188.15
188.1;-
188.16
4.32
23.66
209.3
209.1
209.1
209.1 .
209.1
: 20.94
210.4
22.24
1012
25
i
1038
11.00
9.65
610
428
2542
337
tt
14
188.14
188.16
188.14
188.16
188.15
0.01
23.67
209.3
209.1
209.1
209.1
209.1
20.95
210.9
. 22.75
1012
25
i
1038
9.00
.9.87
624
414
2543
39,6
a it a
<
15
188.14
188.16
188.14
188.16
188.15
0.00
23.67
211.2
209.9
210.2
210.2
210.4
22.25
210.6
22.45
1012
26
0
1038
10.00
9.74
616
■ 49,0.
2701
312
it it a
< t
16
188.01
188.02
188.01
188.02
188.01
0.14
23.81
211.2
209.9
210.2
210.2
210.4
22.39
210.2
22.19
1012
26
0
1038
10.00
9.63
.609
429
2718
316
it tt tt
i t
17
187.38
187.44
187.47
187.53
187.45
0.56
24.37
210.6
209.7
210.4
209.5
210.0
22.55
210.3
22.85
1376
26
0
1402
12.00
9.91
626
776
2738
566
ft tt tt
if
18
184.85
185.74
185.68
185.99
185.41
2.04
26.41
207.8
202.7
208.7
209.5
207.2
21.79
210.6
25.19
1437
25
2
1464
13.00
10.93
691
773
2645
577
19
182.51
182.48
183.55
183.53
183.02
2.39
28.80
210.3
208.8
209.0
206.2
208.6
25.58
210.8
27.78
1653
29
1
1683
14.50
12.06
762
921
3105
593
ft (* tt ' tt
a
20
179.78
179.77
180.55
180.59
180.17
2.85
31.65
209.0
208.6
209.0
210.0
209.1
28.93
211.3
31.13
1917
34
1
1952
15.50
13.51
854
1098
3512
625
tt <t it tt
t
21
176.51
176.42
176.70
176.65
176.57
3.60
35.25
209.1
207.5
207.4
208.5
. 208.1
31.53
210.4
33.83
1966
37
1
2004
16.75
14.68
929
1075
.3828
562
Fine sand
tt
22
171.08
171.09
171.04
171.07
171.07
5.50
40.75
207.4
208.1
205.4
206.2
206.8
35.73
210.7
39.63
2246
42
2
2290
17.50
17.20
1087
1203
4338
555
(( tt
tt
23
165.95
165.91
165.79
165.76
165.85
5.22
45.97
207.7
207.4
207.4
207.8
207.6
41.75
210.7
44.85
2486
49
2
2537
18.50
19.46
1230
1307
5068
516
ft ft
t
24
157.0o
157.03
156.77
156.77
156.90
8.95
54.92
207.6
208.3
208.5
208.4
208.7
51.80
209.4
52.50
2631
59
1
2691
24.00
22.78
1440
1251
6289
398
it tt
t
25
150.82
150.78
150.84
150.79
150.81
6.09
61.01
208.9
209.0
207.9
208.8
208.6
57.79
210.2
59.39
2987
67
1
3055
27.00
25.78
1630
1425
7016
406
ti tt
i t
26
150.79
150.74
150.78
150.74
150.76
0.05
61.06
208.7
209.6
209.1
209.1
209.1
58.34
210.0
59,24
3015
68
1
3084
27.00
25.71
1625
1459
7082
412
<f tt
i
27
145.61
145.54
145.58
145.51
145.56
5.20
66.26
209.9
210.0
209.6
208.6
209.5
63.94
210.3
64.74
3353
74
1
3428
28.50
28.09
1776
1652
7762
425
28
140.98
140.91
140.92
140.86
140.92
4.64
70.90
209.4
208.0
209.1
208.2
208.7
. 67.78
209.7
■ 68.78
3622
79
1
3702
29.50
29.85
1887
1815
8228
441
t t tt n tt
t
29
139.40
139.33
139.39
139.33
139.36
1.56
72.46
209.4
209.4
209.0
208.4
209.0
69.64
209.6
70.24
3588
81
0
3669
30.00
30.48
1927
1742
8454
412
it tt ti tt
i
30
137.02
136.95
136.99
137.05
137.00
2.36
74.82
207.3
208.1
208.0
208.6
208.0
71.00
209.3
72.30
3812
83
1
3896
3!. 00
31.38
1984
1912
8619
444
ft tt tt it
a
31
134.50
134.42
134.55
134.47
134.48
2.52
77.34
207.0
207.5
207.8
208.6
207.7
73.22
209.3
74.82
3863
85
1
3949
32.50
32.47
2053
1896
8889
427
Same, streaked with mud
June
1
131.90
131.82
131.98
131.90
131.90
2.58
79.92
206.8
207.5
207.2
207.9
207.4
75.50
209.0
77.10
3863
88
1
3952
34.00
33.46
2115
1837
9166
401
Sand with gravel
2
130.00
129.92
130.01
129.93
129.97
1.93
81.85
205.6
206.6
207.9
207.9
207.0
77.03
208.9
78.93
3863
90
1
3954
31.50
34.26
2166
1788
9351
382
41 ft (1
i
3
128.33
128.19
128.39
128.25
128.29
1.68
83.53
205.6
207.5
206.0
206.1
206.3
78.01
208.5
80.21
3863
129
5
3997
• i.00
34.81
2201
1796
9470
379
It tt ft
4
127.63
127.57
127.60
127.54
127.59
0.70
84.23
205.6
206.4
204.6
205.9
205.6
78.01
207.8
80.21
3863
136
5
4004
35.00
34.81
2201
1803
9470
381
tt ti ft
5
126.47
126.40
126.43
126.36
126.42
1.17
85.40
205.9
206.5
205.9
206.0
206.1
79.68
207.9
81.48
3863
138
34
4035
37.00
35.36
2235
1800
9673
372
Sandy clay
(
6
125.43
125.29
125.48
125.35
125.39
1.03
86.43
205.1
206.5
204.7
206.2
205.6
80.21
208.1
82.71
3863
139
63
4065
37.50
35.90
2269
1796
9737
369
(( tt
7
125.02
124.93
125.03
124.94
124.98
0.41
86.84
205.1
206.5
204.5
205.2
205.3
80.32
206.3
81.32
3863
138
23
4024
37.50
35.29
2231
1793
9751
368
it tt
8
124.98
124.91
124.98
124.89
124.94
0.04
86.88
206.8
207.9
205.5
206.3
206.6
81.66
206.2
81.26
3863
140
15
4018
36.50
35.27
2230
1788
9914
361
tt ft
li
9
124.97
124.89
124.97
124.89
124.93
0.01
86.89
207.1
209.0
205.2
206.2
206.9
81.97
207.2
82.27
38.50
35.71
t
10
124.97
124.89
124.97
124.89
124.93
0.00
86.89
206.8
208.1
205.9
206.3
206.8
81.87
207.5
82.57
37.50
l
11
124.97
124.89
124.97
124.89
124.93
0.00
86.89
207.0
208.5
205.9
206.4
207.0
82.07
207.6
82.67
36.00
i 1
12
124.97
124.89
124.97
124.89
124.93
0.00
86.89
206.7
208.2
205.8
206.5
206.8
81.87
208.3
83.37
35.00
Remarks.
Set up cutting edge.Began building caisson.
Began taking out blocking.
Began concreting. Put on air and started sand pumps at
- [11.55 p.m.
Waiting for air lock.
tt << ft tt '
Air lock received and placed.
Began sealing at 3.15 p.m.Sealing.
Supply shaft choked up.Sealing.
Finished sealing at 12 m.
C