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