RECORD OF SINKING CAISSON FOR PIER II.-Readings taken at 9 A.M.

0.85

7,516

1,077 5,128

25.02

0.19

7,831

1.077 | 5,187

0.03

8,033

1,077 5,246

0.43

8166

1,077 5.305

26.36

+0.27

0.98 +0.97 0.63 0.09

26.69

1.03

0.00

+0.55

+0.95 +0.60

+0.53

26.23

0.00

8.210

1,077 5,601

26.81 26.78 26.88 26.76 26.81

0.12

1.32

+0.93

0.82

0.33

26.48

0.03

8,289

1,077 5.660

11

27.80

27.84 27.83 27.83 27.85

0.86

1.41

0.11

0.41

0.70 27.15

1.04

8,499 1,077 5,719

12

7.84

28.03 28.00 28.07 27.99

0.74

0.64

0.54

0.64 0.64 27.35

0.14

8.561

1,077 5,778

13

27.98

28.06 28.01 28.07 28.03

0.97 1.55

1.00

0.72 1.06

26.97

004

8,442

1,077 | 5,837

0.87 1.32 +0.78
1.33 2.18 1.53 0.88 1.48 27.78
0.91 +0.09 1.21 0.91 0.74 28.39
1.94 0.69 2.24 0.89 1.44 27.93
1.45 0.60 0.60 1.05 0.93 28.69
2.08 2.98 1.93 2.48 2.37
1.50 1.51 0.97
2.20 1.67 2.20
0.86 0.16
1.75 +0.70 1.75
3.05 0.60
2.75 2.65 0.35
2.530 1.50 0.55 1.20
0.45
2.50 1.45 1.13 1.38 31.02
2.57
0.12 0.62 1.14 1.11 31.51
2.39 0.94 1.49 1.84 1.67 32.06
2.55 1.45
1.50 1.95 1.86 31.90
1.39 0.89 1.39 1.39 1.22 32.55
0.94 0.69 1.49 1.19 1.08 32.79
0.35 0.95 0.95
2.00 1.06 32.93
0.87 0.77 1.37 1.12 1.03 33.30
0.50 2.31 0.75 3.61 1.79 33.56
0.40 2.00 +0.55 0.70 0.64 34.75
0.69 1.84 0.61 1.45 0.84 34.64
0.64 2.14 +0.61
0.83 1.88 0.28
1.13 2.97 0.22

461 6,666 +1.39 25.71 11.31
-0.80
474 6,738
11.14
25.31
476 6,799 2.81
12.03
27.35
4,938
505 6,887
12.08 4,958
0.68 8.232 1,077 5,365 550 6,992
12.15 4.987
0.00 8.125 1,077 5.424 550 7,051
0.10 8.251 1.077 5.483 557 7,117 -2.03 27.78 12.22 5.016 2,101 509
8,354 1,077 5,542 631 7.250 -0.97 27.75 12.21 5,012 2.238 543
631 7,309 +0.95 27.73 12.20 5.008 2.301 560
633 7,370 +0.93
27.74 12.21 5,012 2.358 568
720
7,516 0.11 27.74 12.21 5,012 2,504 589
732 7,587 0.54 27.45 12.08 4,958 2,629 614
735 7.649 0.72 27.31 12.02 4.933 2.716
7.724 +0.78 29.00 12.76 5,237
7,871

12.93 5,807 2,626

591

7.998

0.69 28.68 12.62 5,180 2.818 644

12.77
29.02
5,241 2.856
13.13
29.83
5,389 2.893
0.97 29.94 13.17 5,405 2,972
0.15 30.77 13.54 5,557 2.900
0.16 30.85 13.57 5,570 2.983
32.30 14.21
31.66 13.93

1.40 1.79 30.50

0.03

9.547

1.077 6,701 1.112

8,890

0.35

628
5,832 2.840 599
5,717 3,092
31.94 14.05 5,767 3.123

648

654

1.84 3.52 1.47 4.69 2.88 34.03
1.76 1.96 1.36 1.51 1.65 35.21
0.87 0.87 0.47 0.72 0.73 36.21
1.92 0.87 1.17 0.57 1.13 35.84
1.09 1.29 0.29 0.54 0.80 36.25
1.09 0.34 0.49 +0.26 0.42 36.79
1.34 0.99 0.64 0.19 0.79 36.77
2.84 1.97 1.89 1.52 2.05 36.46
2.21 2.21 1.36 1.86 1.91 36.62
2.60 2.30 1.70 2.00 2.15 36.40
2.84 2.19 1.89 1.99 2.23 36.36
2.07
2.22 0.82 1.92 1.51 37.14
1.91 1.81 0.71 1.46 1.47 37.24
1.86 1.81 0.36 1.61
1.41 37.48
2.31 1.31 0.96 1.16 1.44 37.54
2.72
1.52 1.67 1.47 1.85 37.19
2.62 1.72 0.84 1.52 1 68 37.59
1.96 1.16 1.66 1.01 1.45 38.79
0.61 1.91 1.61 1.66 1.45 39.12

0.91

10 651

0.04
0.20 9,863
1.13 10,034 1,077 7,015 1,238
0.03 9.985 1,077 7.093 1.241
0.01 10,188 1,077 7,171 1,242 9,490
0.10 10.263 1,077 7,250 1,251
0.12 10,307 1,077 7,323 1,262 9.667
0.34 10,423 1,077 7,406 1,294 9,777
1.02 10,504 1,077 7,483 1,384 9,946
0.04 10,877 1,077 7,563 1.388 10,028
0.09 10,842 1,077 7,642 1,396 10,115
0.07 10,867 1,077 7.720 1,402 10.199
0.05 10,858 1,077 7,798 1,406 10.281
10.849
1,077 7.877 1,419 10,373
1,077 7.955 1,524 10,556
11,021 1,077 8,034 1.525 10.636
0.03 11,334 1,077 8,112 1,527 10,716
0.03 11,218 1,077 8,190 1,530 10,797
0.08 11,346 1,077 8,269 1,537 10,883
0.16 11,515 1,077 8,347 1,552 10,976
0.35 11,509 1,077 8,425 1.584 11,086
0.95 11.412 1,077 8,504 1,670 11,251
0.02 11,462 1,077 8,582 1,672 11,33
0.02 11,393 1,077 8,661 1,674 11,412
0.04 11,351 1.077 8.739 1,678 11,494
0.06 11,625 1,077 8,817 1,684 11,578
0.06 11.656 1,077 8,896 1,690 11,663
0.18 11,731 1.077 8,974 1,707 11,758
0.09 11.750 1,077 9.052 1,716 11,845
0.06 11,640 1,077 9,131 1.721 11,929
11,656 1,077 9.209 1,744 12.030
12.141 1,077 9.288 1.830 12,195
12,245 1,077 9,366 1,890 12,333

1,0.7 6.858 1.122

9.057

1,077 6,936 1,139

9,152

0.55 31.81 14.00 5,746
0.45 31.95 14.06 5,771
676
0.12 32.48 14.29 5,805 3,287 €66

3,228

667

3.286

9.330
9.411

9.578

0.94 32.79 14.43 5.923 3,407 679
1.45 32.31 14.21 5.832 3,579 716
0.89 32.88 14.47 5,989 3.551
697
0.69 33.18 14.60 5.993 3.585
0.35 33.64 14.80 6.075 3,592 697
+0.63 34.96 15.38 6,313 3,464 664
0.36 34.99 15.40 6,321 3,625 690
+0.55 35.94 15.81 6,489 3,539 657
+0.61 36.09 15.88 6,518 3,597 663
+0.61 36.16 15.91 6,530 3,669 675
0.28 35.32 15.54 6.378 3,903 718
0.22
35.78 15.74 6,461 3,912 721
1.47 35.44 15.59 6.399 4,157
0.46 36.45 16.04 6,584 4,052
0.47 36.47 16.05 6,588 4,128 728
0.57 36.40 16.02 6,575 4,222 752
0.29 36.76 16.17 6,637 4.246
+0.26 37.47 16.49 6,768 4.208
0.19 37.37 16.44 6,748 4.338
0.59 37.92 16.68 6,846 4,405
0.44 38.09 16.76

TESTS OF MATERIALS.