Material.Method.Station:Date:Number
of days.
Linear
Feet.
Rate of
progress in
feet per day.
Remarks.
FromToFromTo
Rock

Top heading
Top lift of bench
Bottom lift of bench
108+43
108+43
108+43
107+74
107+74
107+74
July 20, '05
Aug. 8, '05
Aug. 30, '05
Aug. 3, '05
Aug. 23, '05
Sept 27, '05
14
15
28


5769 1.21

Excavation in normal air, and before advance of shield.
Rock

Bottom heading
Bottom heading
107+74
107+74
107+21
107+21
Sept 27, '05
Nov. 30, '05
Oct. 23, '05
Dec. 29, '05
26
29


5553 0.96

Bottom heading timbered to avoid the possibility of a break.
Mixed Bottom heading107+21106+99Oct. 26, '06Nov. 20, '062522 0.88Bottom heading timbered.
Mixed Rock bench106+99106+34Nov. 20, '06Jan. 13, '075465 1.20
Earth Poling and breasting106+3499+11Jan. 13, '07Apr. 17, '0794723 7.69
Mixed Rock cut99+1193+96Apr. 17, '07Oct. 24, '07190515 2.71
Rock Bottom heading93+9693+58Oct. 24, '07Nov. 14, '072138 1.81
Rock Center heading93+5892+42Nov. 14, '07Dec. 27, '0746116 2.52
Rock Bottom heading92+4291+05Dec. 27, '07Feb. 24, '0859137 2.32
Mixed Rock cut91+0590+57Feb. 24, '08Mar. 20, '0825 48 1.92

Line B, Manhattan.

Material.Method.Station:Date:Number
of days.
Linear
Feet.
Rate of
progress in
feet per day.
Remarks.
FromToFromTo
Rock

Top heading
Top lift of bench
Bottom lift of bench
Bottom lift of bench
108+35
108+35
108+35
108+15
107+87
107+87
108+15
107+87
July 6, '05
Aug. 3, '05
Aug. 26, '05
Sept 11, '05
July 27, '05
Aug. 14, '05
Aug. 30, '05
Sept 26, '05
21
11
4
15


5148 0.94

Excavation done in normal air and before advance of shield.
Rock Bottom heading107+87107+00Oct. 23, '05Jan. 17, '068687 1.01
Mixed Bottom heading107+00106+64Jan. 17, '06Feb. 12, '062636 1.38
Mixed Rock bench106+64106+31Feb. 12, '06Mar. 1, '061733 1.94
Earth Poling and breasting106+31105+58Mar. 1, '06Apr. 3, '063373 2.21
Earth Shutters in contact with face105+5899+19Apr. 9, '06Nov. 1, '06206639 3.10
Mixed Rock bench99+1998+44Nov. 1. '06Dec. 29, '065875 1.30
Mixed Bottom heading98+4497+76Dec, 29, '06Feb. 12, '074568 1.51
Mixed Rock cut97+6693+84Feb. 12, '07Aug. 6, '07175392 2.24
Rock Full face93+8493+21Aug. 6, '07Sept 2, '072763 2.33
Rock Center Heading93+2192+30Sept 2, '07Oct. 12, '074091 2.28
Rock Bottom heading92+3090+99Oct. 12, '07Dec. 6, '0755131 2.38
Mixed Rock cut90+9990+49.6Dec. 6, '07Jan. 3, '0828 49.41.76

Line C, Manhattan.

Material.Method.Station:Date:Number
of days.
Linear
Feet.
Rate of
progress in
feet per day.
Remarks.
FromToFromTo
Rock

Top heading
Top heading
Excavating bench
Bottom heading
Bottom heading
107+79.03
107+69
107+79
107+23
107+23
107+69
107+23
107+23
106+72
107+15
Dec. 20, '04
Jan. 1, '05
Jan. 21, '05
Mar. 1, '05
Oct. 12, '05
Dec. 27, '04
Jan. 15, '05
Feb. 28, '05
Mar. 11, '05
Oct. 27, '05
7
14
38
10
15


54 0.77

Stopped to brace portal. No work done from March 12th to October 11th, 1905, except a little trimming in September. All work up to this date done in normal air. Heading advanced to 106+70 and bulkheaded.
Rock Bottom heading107+15106+62Nov. 6, '05Dec. 2, '052653 2.04
Mixed Bottom heading106+62106+55Dec. 2, '05Dec. 23, '05217 0.33

Heading advanced to 106 + 40. Shut down in order that Line D might have a lead.
Mixed Bottom heading106+55106+17Feb. 12, '06Mar. 22, '063838 1.00

Shut down on account of air shortage.
Mixed Rock cut106+17105+85Apr. 2, '06Apr. 20, '061832 1.78Shut down on account of air shortage.
Mixed Rock cut105+85105+55July 27, '06Aug. 26, '063030 1.00Shut down April 20th to July 27th, 1906.
Earth Breasting and poling105+5599+40Aug. 26, '06Jan. 2, '07127615 4.84
Mixed Rock cut99+4098+70Jan. 2, '07Feb. 6, '073570 2.00
Rock Full face98+7098+60Feb. 6, '07Feb. 12, '07610 1.66
Mixed Bottom heading98+6098+39Feb. 12, '07Mar. 6, '072221 0.95
Rock Bottom heading98+3998+17Mar. 6, '07Mar. 15, '07922 2.44
Mixed Rock cut98+1795+68Mar. 15, '07July 30, '07110249 2.26Heading advanced to 97+82.
Rock Middle heading95+6894+61July 30, '07Aug. 21, '0749107 2.18Heading advanced to 94+35.
Mixed Rock cut94+6193+56Aug. 21, '07Oct. 3, '0743106 2.46
Rock Middle heading93+5692+73Oct. 3, '07Nov. 11, '073983 2.13
Mixed Rock cut92+7390+55Nov. 11, '07Feb. 13, '0894218 2.32Shut down until Line D shields met.
Mixed Rock cut90+5590+44.4Feb. 25, '08Mar. 3, '086 11 1.83

Line D, Manhattan.

Material.Method.Station:Date:Number
of days.
Linear
Feet.
Rate of
progress in
feet per day.
Remarks.
FromToFromTo
Rock

Top heading
Removing bench
Bottom heading
Trimming
Trimming
107+70.49
107+70.49
107+35
107+70
107+70
107+16
107+35
106+80
106+80
106+80
Dec. 9, '04
Jan. 1, '05
Jan. 30, '05
Mar. 29, '05
Aug. 31, '05
Jan. 31, '05
Jan. 27, '05
Feb. 10, '05
Apr. 12, '05
Sept 19, '05


123 90 0.73 In normal air.
Rock Bottom heading106+80106+67Oct. 5, '05Nov. 8, '0534 13 0.40 Bottom heading timbered.
Mixed Bottom heading106+67106+39Nov. 8, '05Dec. 23, '0545 38 0.84
Mixed Sliding hood and breasting. Rock bench106+29105+70Dec. 23, '05Jan. 24, '0632 59 1.84
Earth Poling and breasting105+70104+61Jan. 24, '06Feb. 27, '0631 109 3.41
Earth Poling, breasting and shutters104+61103+90Mar. 2, '06Mar. 31, '0629 71 2.45

Three days' delay to set shutters in top. Shut down 20 days to permit consolidation of the river bed and to repair broken plates.
Earth Shutters103+9099+41Apr. 20, '06Sept 3, '06136 449 3.40 Four days of 136, delay account of flood.
Mixed Bottom bench99+4199+17Sept 3, '06Sept 23, '0620 24 1.20
Mixed Bottom heading99+1798+50Oct. 2, '06Nov. 24, '0653 67 1.27 Thirteen days' shut-down to put on hood.
Rock Bottom heading98+5097+72Nov. 24, '06Jan. 16, '0753 78 1.47
Mixed Bottom heading97+7297+27Jan. 16, '07Feb. 10, '0725 45 1.40
Mixed Rock cut97+2795+72Feb. 10, '07Apr. 23, '0772 155 2.15
Rock Middle heading95+7295+57Apr. 23, '07May 11, '0718 15 0.83
Rock Middle heading95+5794+65May 23, '07June 17, '0725 92 3.68 Twelve days' delay to repair cutting edge.
Mixed Middle heading94+6594+41June 17, '07June 25, '078 24 3.00
Mixed Rock cut94+4194+03June 25, '07July 13, '0718 38 2.11
Rock Middle heading94+0392+64July 13, '07Sept 12, '0761 139 2.28
Mixed Middle heading92+6492+54Sept 12, '07Sept 20, '078 10 1.25
Rock Middle heading92+5492+50Sept 20, '07Sept 21, '071 4 4.00
Mixed Rock cut92+5090+38.66Sept 21, '07Jan. 8, '08 109 211.341.94