| Material. | Method. | Station: | Date: | Number of days. | Linear Feet. | Rate of progress in feet per day. | Remarks. | ||||||
| From | To | From | To | ||||||||||
| 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 | ⎫ ⎬ ⎭ | 57 | 69 | 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 | ⎫ ⎬ ⎭ | 55 | 53 | 0.96 | ⎧ ⎨ ⎩ | Bottom heading timbered to avoid the possibility of a break. |
| Mixed | Bottom heading | 107+21 | 106+99 | Oct. 26, '06 | Nov. 20, '06 | 25 | 22 | 0.88 | Bottom heading timbered. | ||||
| Mixed | Rock bench | 106+99 | 106+34 | Nov. 20, '06 | Jan. 13, '07 | 54 | 65 | 1.20 | |||||
| Earth | Poling and breasting | 106+34 | 99+11 | Jan. 13, '07 | Apr. 17, '07 | 94 | 723 | 7.69 | |||||
| Mixed | Rock cut | 99+11 | 93+96 | Apr. 17, '07 | Oct. 24, '07 | 190 | 515 | 2.71 | |||||
| Rock | Bottom heading | 93+96 | 93+58 | Oct. 24, '07 | Nov. 14, '07 | 21 | 38 | 1.81 | |||||
| Rock | Center heading | 93+58 | 92+42 | Nov. 14, '07 | Dec. 27, '07 | 46 | 116 | 2.52 | |||||
| Rock | Bottom heading | 92+42 | 91+05 | Dec. 27, '07 | Feb. 24, '08 | 59 | 137 | 2.32 | |||||
| Mixed | Rock cut | 91+05 | 90+57 | Feb. 24, '08 | Mar. 20, '08 | 25 | 48 | 1.92 | |||||
Line B, Manhattan.
| Material. | Method. | Station: | Date: | Number of days. | Linear Feet. | Rate of progress in feet per day. | Remarks. | ||||||
| From | To | From | To | ||||||||||
| 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 | ⎫ ⎬ ⎭ | 51 | 48 | 0.94 | ⎧ ⎨ ⎩ | Excavation done in normal air and before advance of shield. |
| Rock | Bottom heading | 107+87 | 107+00 | Oct. 23, '05 | Jan. 17, '06 | 86 | 87 | 1.01 | |||||
| Mixed | Bottom heading | 107+00 | 106+64 | Jan. 17, '06 | Feb. 12, '06 | 26 | 36 | 1.38 | |||||
| Mixed | Rock bench | 106+64 | 106+31 | Feb. 12, '06 | Mar. 1, '06 | 17 | 33 | 1.94 | |||||
| Earth | Poling and breasting | 106+31 | 105+58 | Mar. 1, '06 | Apr. 3, '06 | 33 | 73 | 2.21 | |||||
| Earth | Shutters in contact with face | 105+58 | 99+19 | Apr. 9, '06 | Nov. 1, '06 | 206 | 639 | 3.10 | |||||
| Mixed | Rock bench | 99+19 | 98+44 | Nov. 1. '06 | Dec. 29, '06 | 58 | 75 | 1.30 | |||||
| Mixed | Bottom heading | 98+44 | 97+76 | Dec, 29, '06 | Feb. 12, '07 | 45 | 68 | 1.51 | |||||
| Mixed | Rock cut | 97+66 | 93+84 | Feb. 12, '07 | Aug. 6, '07 | 175 | 392 | 2.24 | |||||
| Rock | Full face | 93+84 | 93+21 | Aug. 6, '07 | Sept 2, '07 | 27 | 63 | 2.33 | |||||
| Rock | Center Heading | 93+21 | 92+30 | Sept 2, '07 | Oct. 12, '07 | 40 | 91 | 2.28 | |||||
| Rock | Bottom heading | 92+30 | 90+99 | Oct. 12, '07 | Dec. 6, '07 | 55 | 131 | 2.38 | |||||
| Mixed | Rock cut | 90+99 | 90+49.6 | Dec. 6, '07 | Jan. 3, '08 | 28 | 49.4 | 1.76 | |||||
Line C, Manhattan.
| Material. | Method. | Station: | Date: | Number of days. | Linear Feet. | Rate of progress in feet per day. | Remarks. | |||||
| From | To | From | To | |||||||||
| 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 heading | 107+15 | 106+62 | Nov. 6, '05 | Dec. 2, '05 | 26 | 53 | 2.04 | ||||
| Mixed | Bottom heading | 106+62 | 106+55 | Dec. 2, '05 | Dec. 23, '05 | 21 | 7 | 0.33 | ⎧ ⎨ ⎩ | Heading advanced to 106 + 40. Shut down in order that Line D might have a lead. | ||
| Mixed | Bottom heading | 106+55 | 106+17 | Feb. 12, '06 | Mar. 22, '06 | 38 | 38 | 1.00 | ⎧ ⎨ ⎩ | Shut down on account of air shortage. | ||
| Mixed | Rock cut | 106+17 | 105+85 | Apr. 2, '06 | Apr. 20, '06 | 18 | 32 | 1.78 | Shut down on account of air shortage. | |||
| Mixed | Rock cut | 105+85 | 105+55 | July 27, '06 | Aug. 26, '06 | 30 | 30 | 1.00 | Shut down April 20th to July 27th, 1906. | |||
| Earth | Breasting and poling | 105+55 | 99+40 | Aug. 26, '06 | Jan. 2, '07 | 127 | 615 | 4.84 | ||||
| Mixed | Rock cut | 99+40 | 98+70 | Jan. 2, '07 | Feb. 6, '07 | 35 | 70 | 2.00 | ||||
| Rock | Full face | 98+70 | 98+60 | Feb. 6, '07 | Feb. 12, '07 | 6 | 10 | 1.66 | ||||
| Mixed | Bottom heading | 98+60 | 98+39 | Feb. 12, '07 | Mar. 6, '07 | 22 | 21 | 0.95 | ||||
| Rock | Bottom heading | 98+39 | 98+17 | Mar. 6, '07 | Mar. 15, '07 | 9 | 22 | 2.44 | ||||
| Mixed | Rock cut | 98+17 | 95+68 | Mar. 15, '07 | July 30, '07 | 110 | 249 | 2.26 | Heading advanced to 97+82. | |||
| Rock | Middle heading | 95+68 | 94+61 | July 30, '07 | Aug. 21, '07 | 49 | 107 | 2.18 | Heading advanced to 94+35. | |||
| Mixed | Rock cut | 94+61 | 93+56 | Aug. 21, '07 | Oct. 3, '07 | 43 | 106 | 2.46 | ||||
| Rock | Middle heading | 93+56 | 92+73 | Oct. 3, '07 | Nov. 11, '07 | 39 | 83 | 2.13 | ||||
| Mixed | Rock cut | 92+73 | 90+55 | Nov. 11, '07 | Feb. 13, '08 | 94 | 218 | 2.32 | Shut down until Line D shields met. | |||
| Mixed | Rock cut | 90+55 | 90+44.4 | Feb. 25, '08 | Mar. 3, '08 | 6 | 11 | 1.83 | ||||
Line D, Manhattan.
| Material. | Method. | Station: | Date: | Number of days. | Linear Feet. | Rate of progress in feet per day. | Remarks. | |||||
| From | To | From | To | |||||||||
| 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 heading | 106+80 | 106+67 | Oct. 5, '05 | Nov. 8, '05 | 34 | 13 | 0.40 | Bottom heading timbered. | |||
| Mixed | Bottom heading | 106+67 | 106+39 | Nov. 8, '05 | Dec. 23, '05 | 45 | 38 | 0.84 | ||||
| Mixed | Sliding hood and breasting. Rock bench | 106+29 | 105+70 | Dec. 23, '05 | Jan. 24, '06 | 32 | 59 | 1.84 | ||||
| Earth | Poling and breasting | 105+70 | 104+61 | Jan. 24, '06 | Feb. 27, '06 | 31 | 109 | 3.41 | ||||
| Earth | Poling, breasting and shutters | 104+61 | 103+90 | Mar. 2, '06 | Mar. 31, '06 | 29 | 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 | Shutters | 103+90 | 99+41 | Apr. 20, '06 | Sept 3, '06 | 136 | 449 | 3.40 | Four days of 136, delay account of flood. | |||
| Mixed | Bottom bench | 99+41 | 99+17 | Sept 3, '06 | Sept 23, '06 | 20 | 24 | 1.20 | ||||
| Mixed | Bottom heading | 99+17 | 98+50 | Oct. 2, '06 | Nov. 24, '06 | 53 | 67 | 1.27 | Thirteen days' shut-down to put on hood. | |||
| Rock | Bottom heading | 98+50 | 97+72 | Nov. 24, '06 | Jan. 16, '07 | 53 | 78 | 1.47 | ||||
| Mixed | Bottom heading | 97+72 | 97+27 | Jan. 16, '07 | Feb. 10, '07 | 25 | 45 | 1.40 | ||||
| Mixed | Rock cut | 97+27 | 95+72 | Feb. 10, '07 | Apr. 23, '07 | 72 | 155 | 2.15 | ||||
| Rock | Middle heading | 95+72 | 95+57 | Apr. 23, '07 | May 11, '07 | 18 | 15 | 0.83 | ||||
| Rock | Middle heading | 95+57 | 94+65 | May 23, '07 | June 17, '07 | 25 | 92 | 3.68 | Twelve days' delay to repair cutting edge. | |||
| Mixed | Middle heading | 94+65 | 94+41 | June 17, '07 | June 25, '07 | 8 | 24 | 3.00 | ||||
| Mixed | Rock cut | 94+41 | 94+03 | June 25, '07 | July 13, '07 | 18 | 38 | 2.11 | ||||
| Rock | Middle heading | 94+03 | 92+64 | July 13, '07 | Sept 12, '07 | 61 | 139 | 2.28 | ||||
| Mixed | Middle heading | 92+64 | 92+54 | Sept 12, '07 | Sept 20, '07 | 8 | 10 | 1.25 | ||||
| Rock | Middle heading | 92+54 | 92+50 | Sept 20, '07 | Sept 21, '07 | 1 | 4 | 4.00 | ||||
| Mixed | Rock cut | 92+50 | 90+38.66 | Sept 21, '07 | Jan. 8, '08 | 109 | 211.34 | 1.94 | ||||