============================+=========================================
| TYPE.
|----------+--------------+--------------+
DESCRIPTION, QUANTITY, |MANHATTAN | CAST IRON, | CAST IRON, |
LENGTH, ETC. |shield | ordinary | ordinary |
|chambers. | pocketless. | pocket. |
----------------------------+----------+--------------+--------------+
Length, in feet. | 59.00| 4,374.99 | 2,146.3 |
----------------------------+----------+--------------+--------------+
Excavation, in cubic yards. | | | |
Total. | 1,884 | 67,344 | 33,038 |
Per linear foot. | 31.9 | 15.4 | 15.4 |
Cast-iron tunnel lining, | | | |
in pounds. | | | |
Total. |847,042 |39,643,120 |19,715,405 |
Per linear foot. | 14,357 | 9,061 | 9,186 |
Cast-steel tunnel lining, | | | |
in pounds. | | | |
Total. | | 1,544,962 | 757,938 |
Per linear foot. | | 353.1 | 353.1 |
Steel bolts and washers, | | | |
in pounds. | | | |
Total. | 23,627 | 1,475,991 | 724,095 |
Per linear foot. | 400.46| 337.37 | 397.00 |
Rust joints, in linear feet.| | | |
Total. | 3,376 | 170,755 | 83,935 |
Per linear foot. | 57.2 | 39.0 | 39.1 |
Concrete, in cubic yards. | | | |
Total. | 766 | 20,030 | 9,827 |
Per linear foot. | 12.98| 4.58 | 4.58 |
Steel beams, plates, etc., | | | |
in pounds. | | | |
Total. | 12,346 | 83,774 | 41,098 |
Per linear foot. | 2,092.5 | 19.1 | 19.1 |
Steel bolts, hooks, etc., | | | |
in pounds. | | | |
Total. | 1,328 | 36,980 | 18,142 |
Per linear foot. | 22.5 | 84.5 | 84.5 |
Expanded metal, in pounds. | | | |
Total. | 594 | 2,215 | 1,086 |
Per linear foot. | 10.07| 0.506| 0.506|
Vitrified conduits, in | | | |
duct feet. | | | |
Total. | 2,560 | 235,903 | 115,728 |
Per linear foot. | 43.49| 53.92 | 53.92 |
============================+==========+==============+==============+
============================+==========================================
|
|--------------+-------------+-------------
DESCRIPTION, QUANTITY, | CAST IRON, | CAST STEEL, |
LENGTH, ETC. | heavy | ordinary | Total.
| pocketless. | pocketless. |
----------------------------+--------------+-------------+-------------
Length, in feet. | 5,522.05 | 152.66 |12,255.00 ft.
----------------------------+--------------+-------------+-------------
Excavation, in cubic yards. | | |
Total. | 85,001 | 2,349 | 189,616
Per linear foot. | 15.4 | 15.4 | cu. yd.
Cast-iron tunnel lining, | | |
in pounds. | | |
Total. |61,559,845 | | 121,765,412
Per linear foot. | 11,148 | | lb.
Cast-steel tunnel lining, | | |
in pounds. | | |
Total. | 2,730,905 |1,549,711 | 6,583,516
Per linear foot. | 494.5 | 10,151.4 | lb.
Steel bolts and washers, | | |
in pounds. | | |
Total. | 2,935,455 | 51,266 | 5,210,434
Per linear foot. | 581.59 | 335.82 | lb.
Rust joints, in linear feet.| | |
Total. | 218,656 | 5,996 | 482,718
Per linear foot. | 39.6 | 39.3 | ft.
Concrete, in cubic yards. | | |
Total. | 25,282 | 713 | 56,618
Per linear foot. | 4.58 | 4.58 | cu. yd.
Steel beams, plates, etc., | | |
in pounds. | | |
Total. | 105,738 | 7,432 | 250,388
Per linear foot. | 19.1 | 48.7 | lb.
Steel bolts, hooks, etc., | | |
in pounds. | | |
Total. | 46,675 | 1,471 | 104,596
Per linear foot. | 84.5 | 96.4 | lb.
Expanded metal, in pounds. | | |
Total. | 2,795 | 62 | 6,752
Per linear foot. | 0.506| 0.406| lb.
Vitrified conduits, in | | |
duct feet. | | |
Total. | 297,752 | 7,757 | 659,700
Per linear foot. | 53.92 | 50.81 | duct ft.
============================+==============+=============+============