Part 13

=+===========+=======+==================+===+============+==+==+==+==+==| W| | | AVE. NO. | e| | | OF MEN | i| | DESCRIPTION | IN GANG | g| |-------+------------------+---+------------+--+--+--+--+--| h| | | |Ave| | | | |A | | t| | | |air| | |D |G |i | | | | | | | | |r |r |r | | o| | | |P | |S |i |o | | | f| | | |r | |h |l |u |t |T | | | | |e | |i |l |t |r |o | | | | |s | |e |i |i |a |t | i| | | |s | |l |n |n |n |a | r| Section | | |u | |d |g |g |s |l | o| between | Length| |r |Method of |--+--+--+--| | n| rings |in feet|Material |e |Excavation |A |B |C |D | | -+-----------+-------+------------------+---+------------+--+--+--+--+--| | 1-68 | 170.0|Rock | 0 |[R] |20| 5| 5|2 |32| | 69-95 | 67.5|Rock and earth |13 |[R] |22| 8| |2 |32| O| 96-141 | 115.0|Rock |10 |[R] |21|13| |2 |36| r|142-191 | 125.0|Rock and earth |15 |[R] |24| 7| |2 |33| d|192-203 | 30.0|Silt |18 |[R]Breasting|23| | |3 |26| i|204-388 | 462.5| " |18 |[S]7 doors |27| | |3 |30| n|389-429 | 102.5|{Silt, piles and} |22 |[S]6 doors |24| | |4 |28| a| | |{rip-rap. } | |[R]Breasting| | | | | | r|430-504 | 187.5|Silt |21 |[S]3 doors |23| | |5 |28| y|505-629 | 312.5| " |22 |[S]4 doors |25| | |6 |31| |630-692 | 157.5| " |23 |[S]2 doors. |24| | |8 |32| |204-692 |1,222.5| |21 | |25| | |5 |30| | 69-692 |1,560.0| |17 | |23|4 | 0|3 |30| -+-----------+-------+------------------+---+------------+--+--+--+--+--| | 693-766 | 185.0|Silt |24 |[S]2 doors |21| | |6 |27| | 767-806 | 100.0| " |24 |[S]2 " |22| | |7 |29| H| 807-900 | 235.0| " |24 |[S]1½ " |23| | |8 |31| e| 901-933 | 82.5| " |25 |[S]1 door |30| | |10|40| a| 934-988 | 137.5| " |25 |[S]1 " |30| | |11|41| v| 989-1,043| 137.5| " |25 |[S]1 " |28| | |11|39| y|1,044-1,053| 25.0| " |26 |[S]1 " |25| | |9 |34| |1,054-1,068| 37.5| " |26 |[S]1 " |26| | |9 |35| |1,069-1,110| 105.0| " |26 |[S]1 " |30| | |11|41| | 693-1,110|1,045.0| |25 | |25| | |8 |33| -+-----------+-------+------------------+---+------------+--+--+--+--+--| A| 204-1,110|2,267.5| |23 | |25| | |6 |31| l| 69-1,110|2,605.0| |20 | |24|2 | |5 |31| l| | | | | | | | | | | =+===========+=======+==================+===+============+==+==+==+==+==|

TABLE 25 PART 2

=+===========+====+=====+=====+========+====+====+====+====+====| W| | | |Av. | | TIME FOR RING | e| | | | | | ERECTION, | i| | | |time | | HRS. AND MIN. | g| |----+-----| | |----+----+----+----+----| h| |Av. |Time |per | | | | | | | t| |No. |Muck-| |T | O | | | | | | |of |ing, |ring,|i | r | | | | | o| |cu. |per | |m | d | B | B | | | f| |yd. |cu. |shov-|e J | i | o | o | T | | | |per |yd. |ing | a | n | r | r | a | M | | |ring| | |f c | a | e | e | p | e | i| | | |and |o k | r | | | e | a | r| Section | | | |r s | y | 1 | 2 | r | n | o| between |----| |Muck-+--------+----+----+----+----+----| n| rings | E | |ing | F | G | G | G | G | G | -+-----------+----+-----+-----+--------+----+----+----+----+----| | 1-68 |41 |0-14 | 9-53|Time for|5-27| | |4-32|5-07| | 69-95 |41 |0-24 |16-18|jacks |3-02| | |2-40|3-00| O| 96-141 |70 |0-16 |18-16|for |2-08| | |2-27|2-09| r| 142-191 |52 |0-20 |17-27|light |2-08| J | J |2-04|2-08| d| 192-203 |36 |0-13 | 7-58|iron is |2-27|6-00|2-10|3-15|2-47| i| 204-388 |37 |0-05 | 3-19|included|2-41|2-49|2-54|2-56|2-47| n| 389-429 |40 |0-17 |12-42|in |3-15|2-36|5-03|3-26|3-27| a| | | | |shoving | | | | | | r| 430-504 |20 |0-06 | 1-51|and |2-53|3-17|3-00|2-57|2-59| y| 505-629 |27 |0-05 | 2-20|mucking |2-23|2-40|2-45|2-28|2-30| | 630-692 |22 |0-05 | 1-53| |1-54|2-10|2-22|2-23|2-02| | 204-692 |30 |0-07 | 3-27| [T] |2-34|2-45|2-58|2-35|2-42| | 69-692 |36 |0-11 | 6-40| [T] |2-47| | |3-18|2-52| -+-----------+----+-----+-----+--------+----+----+----+----+----| | 693-766 |22 |0-05 | 1-35| 0-25 |1-18|1-44|1-30|1-40|1-25| | 767-806 |22 |0-05 | 1-19| 0-21 |1-00|0-56|1-37|1-21|1-08| | 807-900 |19 |0-05 | 1-11| 0-17 |0-58|1-13|1-08|1-12|1-04| H| 901-933 |19 |0-04 | 1-13| 0-09 |0-59|1-05|0-59| |1-00| e| 934-988 |16 |0-04 | 0-54| 0-12 |0-49|0-44|0-56| |0-50| a| 989-1,043|13 |0-05 | 0-52| 0-14 |0-51|0-44|0-52|1-14|0-52| v|1,044-1,053|16 |0-07 | 0-40| 0-15 |1-04|1-15|0-50|0-55|1-02| y|1,054-1,068| 8 |0-05 | 0-36| 0-08 |0-57|0-40|1-02| |0-56| |1,069-1,110|14 |0-06 | 1-00| 0-15 |0-48|0-54|1-06|1-31|0-56| | 693-1,110|18 |0-05 | 1-29| [T] |1-01|1-08|1-09|1-19|1-05| -+-----------+----+-----+-----+--------+----+----+----+----+----| A| 204-1,110|25 |0-06 | 2-35| [T] |2-09|2-19|2-33|2-19|2-17| l| 69-1,110|29 |0-09 | 4-36| [T] |2-19| | |2-46|2-25| l| | | | | | | | | | | =+===========+====+=====+=====+========+====+====+====+====+====|

TABLE 25 PART 3

=+===========+====+====+====+====+====+====+=====+=====+=====+=====+=====| W| | BOLTING TIME, WHOLE |Time| | e| | TIME ON BOLTS AFTER | | | i| | RING IS COMPLETE. |lost| TOTAL TIME. | g| |----+----+----+----+----| |-----+-----+-----+-----+-----| h| | | | | | |re- | | | | | | t| | O | | | | |pair- | | | | | | | r | | | | |ing | | | | | | o| | d | B | B | | | | O | | | | | f| | i | o | o | T | |hy- | r | | | | | | | n | r | r | a | M |drau- d | B | B | | | | | a | e | e | p | e |lic | i | o | o | T | | i| | r | | | e | a | | n | r | r | a | M | r| Section | y | 1 | 2 | r | n |pip-| a | e | e | p | e | o| between |----+----+----+----+----|ing | r | | | e | a | n| rings | H | H | H | H | H | | y | 1 | 2 | r | n | -+-----------+----+----+----+----+----+----+-----+-----+-----+-----+-----| | 1-68 |}Excavation partially {| |15-20| | |14-25|15-00| | 69-95 |}completed previously. {| |19-20| | |18-58|19-18| O| 96-141 |} {|0-03|20-27| | |20-46|20-28| r| 142-191 |} {|0-12|19-47| | |19-43|19-47| d| 192-203 |}Bolting time for light{|1-20|11-45|15-18|11-28|12-33|12-05| i| 204-388 |}iron is included in {|0-05| 6-05| 6-13| 6-18| 6-20| 6-11| n| 389-429 |}erection. {|0-38|16-35|15-56|18-23|16-46|16-47| a| |} {| | | | | | | r| 430-504 |} {|0-39| 5-23| 5-47| 5-30| 6-27| 5-29| y| 505-629 |} {|0-23| 5-06| 5-23| 5-28| 5-11| 5-13| | 630-692 |} {|0-08| 3-55| 4-11| 4-23| 4-24| 4-03| | 204-692 |} {|0-18| 6-19| 6-30| 6-43| 6-20| 6-27| | 69-692 |} {|0-15| 9-42| | |10-13| 9-47| -+-----------+----+----+----+----+----+----+-----+-----+-----+-----+-----| | 693-766 |0-43|1-09|0-52|0-50|0-49|0-07| 4-08| 5-00| 4-29| 4-37| 4-21| | 767-806 |0-38|0-24|0-43|0-38|0-42|0-02| 3-20| 3-02| 4-02| 3-41| 3-32| | 807-900 |0-39|0-34|0-56|0-31|0-40|0-06| 3-11| 3-21| 3-38| 3-17| 3-18| H| 901-933 |0-34|0-26|1-47| |0-43|0-05| 3-00| 2-58| 4-13| | 3-10| e| 934-988 |0-28|0-34|0-34| |0-30|0-06| 2-29| 2-30| 2-42| | 2-32| a| 989-1,043|0-33|0-24|0-51|0-35|0-35|0-04| 2-34| 2-18| 2-53| 2-59| 2-37| v|1,044-1,053|0-23|0-38|0-30|0-55|0-36| | 3-22| 3-48| 3-15| 3-45| 3-33| y|1,054-1,068|0-33|0-25|0-35| |0-32| | 2-14| 1-49| 2-21| | 2-12| |1,069-1,110|0-32|0-40|0-48|0-46|0-37|0-05| 2-40| 2-54| 3-14| 3-37| 2-53| | 693-1,110|0-37|0-39|0-52|0-40|0-40|0-05| 3-12| 3-21| 3-35| 3-33| 3-19| -+-----------+----+----+----+----+----+----+-----+-----+-----+-----+-----| A| 204-1,110| [U]| | | | |0-12| 4-56| 5-06| 5-20| 5-06| 5-04| l| 69-1,110| [U]| | | | |0-14| 7--0| | | 7-36| 7-15| l| | | | | | | | | | | | | =+===========+====+====+====+====+====+====+=====+=====+=====+=====+=====|

TABLE 25 SUMMARY PART 1

===+===========+=======+==============+====+============+==+==+===+==+==| | | | AVE. NO. | W| | | OF MEN | e| | DESCRIPTION | IN GANG | i| |-------+--------------+----+------------+--+--+---+--+--| g| | | |Ave.| | | | | | | h| | | |air | | | | | | | t| | | | | | | | | A| | | | | |P | | | D| G | i| | o| | | |r | | | r| r | r| | f| | | |e | | S| i| o | | | | | | |s | | h| l| u | T|T | i| | | |s | | i| l| t | r|o | r| Section | | |u | | e| i| i | a|t | o| between |Length | |r |Method of | l| n| n | n|a | n| rings |in feet| Material |e |Excavation | d| g| g | s|l | ---+-----------+-------+--------------+----+------------+--+--+---+--+--| O {| 1-68 | 170.0|Rock | 0 | [R] |20| 5| 5| 5|32| r {| 69-191 | 307.5|Rock and earth|13 | [R] |22| 9| | 2|33| d {| 192-388 | 492.5|Silt |18 |[R]Breasting|25| | | 3|28| i {| | | | {|[S]7 doors | | | | | | n {| 389-429 | 102.5|Silt piles and|22 |[R]Breasting|24| | | 4|28| a {| | |rip-rap | {|[S]6 doors | | | | | | r {| 430-692 | 657.5|Silt |22 |[S]3 doors |24| | | 6|30| y {|-----------+-------+--------------+----+------------+--+--+---+--+--| {| 204-692 |1,222.5| |21 | |25| | | 5|30| {|-----------+-------+--------------+----+------------+--+--+---+--+--| {| 69-692 |1,560.0| |17 | |23| 4| 0| 3|30| ---+-----------+-------+--------------+----+------------+--+--+---+--+--| Hvy| 693-1,110|1,045.0| |25 |[S]1 door |25| | | 8|33| ---+-----------+-------+--------------+----+------------+--+--+---+--+--| All| 69-1,110|2,605.0| |20 | |24| | | 5|31| ===+===========+=======+==============+====+============+==+==+===+==+==|

TABLE 25 SUMMARY PART 2

===+========+========+=======+=====+====+=====+==================+=======| W | | | | UNAVOIDABLE DELAYS | e | | | AVERAGE TIME | (NOT INCLUDED IN AVERAGE | i o| | | PER RING. | TIME PER RING). | g f| | |-------+-----+----+-----+------------------+-------| h |Average | Time | | | | | | | t i| No. of |mucking,|Shoving| | | | | | r| cubic | per | and |Erec-| | | | | o| yards | cubic |mucking|tion |Lost| | | Time | n|per ring| yard | [T] | [U] |time|Total|Items |hrs min| ---+--------+--------+-------+-----+----+-----+------------------+-------| O {| 41 | 0-14 | 9-53 | 5-07| |15-00|First bulkhead |160 00| r {| 54 | 0-19 | 17-20 | 2-26|0-05|19-51|Second bulkhead |157 45| d {| 37 | 0-09 | 5-39 | 2-47|0-63| 9-29|Grouting |200 00| i {| | | | | | | | | n {| 40 | 0-17 | 12-42 | 3-27|0-38|16-47|Blowout | 69 45| a {| | | | | | | | | r {| 24 | 0-05 | 1-58 | 2-29|0-22| 4-49|Waiting-heavy iron| 64 00| y {|--------+--------+-------+-----+----+-----+------------------+-------| {| 30 | 0-07 | 3-27 | 2-42|0-18| 6-27|Total |715 30| {|--------+--------+-------+-----+----+-----+------------------+-------| {| 36 | 0-11 | 6-40 | 2-52|0-15| 9-47|Per ring | 0 39| ---+--------+--------+-------+-----+----+-----+------------------+-------| Hvy| 18 | 0-05 | 1-29 | 1-45|0-06| 3-19| | | ---+--------+--------+-------+-----+----+-----+------------------+-------| All| 29 | 0-09 | 4-36 | 2-25|0-14| 7-15| | | ===+========+========+=======+=====+====+=====+==================+=======|

[R] Excavating ahead of shield.

[S] Shoving shield into silt with ... doors open.

[T] Including time for jacks.

[U] Including bolting time.

TABLE 26.--SHIELD-DRIVEN TUNNEL WORK, WEEHAWKEN SHAFT, RIVER TUNNEL NORTH. Table showing the size of the gang, the amount of excavation, and the time per ring taken for the various operations involved in building tunnel through the several kinds of ground encountered; also the extent and nature of all the unavoidable delays.

TABLE 26 PART 1

=+===========+=======+=================+===+============+==+===+===+==+==| W| | | AVE. NO. | e| | | OF MEN | i| | DESCRIPTION | IN GANG | g| |-------+- ------------- +---+------------+--+---+---+--+--| h| | | |Ave| | | | |A | | t| | | |air| | |D |G |i | | | | | | | | |r |r |r | | o| | | |P | |S |i |o | | | f| | | |r | |h |l |u |t |T | | | | |e | |i |l |t |r |o | | | | |s | |e |i |i |a |t | i| | | |s | |l |n |n |n |l | r| Section | | |u | |d |g |g |s |e | o| between | Length| |r |Method of |--+---+---+--+--| n| rings |in feet|Material |e |Excavation |A |B |C |D | | -+-----------+-------+-----------------+---+------------+--+---+---+--+--| | 1-24 | 60.0|Rock | 0 |[X] | 9|.04| 0 | 0|10| | 25-55 | 77.5| " |20 |[X] |14|5 |0.5| 1|21| | 56-72 | 42.5|Mixed sand and |10 |[X]Breasting|22|2 |.09| 2|26| O| | |rock | | | | | | | | r| 73-165 | 232.5|Sand and gravel |10 |[X] " |22|0 |0.1| 2|24| d| 166-184 | 47.5|Sand and silt |20{|[X]Breasting|22|0 |.38| 3|25| i| | |with piles | {|and cutting}| | | | | | n| 185-253 | 172.5|Silt and piles |24{|piles }|23|0 |.71| 3|26| a| 254-293 | 100.0|Silt |26 |[Y]8 doors |22|0 | 0 | 3|25| r| 294-301 | 20.0| " |27 | |19|0 | 0 | 2|21| y| 302-307 | 15.0| " |27 |[Y]8 doors |21|0 | 0 | 2|23| | 308-342 | 87.5| " |28 | |19|0 | 0 | 2|21| | 343-347 | 12.5| " |28 |[Y]8 doors |15|0 | 0 | 2|17| | 348-459 | 280.0| " |28 | |20|0 | 0 | 3|28| | 460-494 | 87.5| " |28 |[Y]8 doors |21|0 | 0 | 3|24| | 495-513 | 47.5| " |28 | 8 " |23|0 | 0 | 4|27| | 514-605 | 230.0| " |28 | 8 " |25|0 | 0 | 4|29| | 606-624 | 47.5| " |28 | 8 " |24|0 | 0 | 4|28| | 625-640 | 40.0| " |28 | 8 " |38|0 | 0 | 5|43| | 25-640 |1,540.0| |20 | | | | | | | | 185-640 |1,140.0| |26 | |23|0 |0.2| 3|26| -+-----------+-------+-----------------+---+------------+--+---+---+--+--| | 641-647 | 17.5|Silt |28 |[Y]8 doors |24|0 | 0 | 6|30| | 648-751 | 260.0| " |28 |[Y]8 " |22|0 | 0 | 4|26| | 752-795 | 110.0| " |28 |[Y]8 " |18|0 | 0 | 7|25| | 796-825 | 75.0| " |28 |[Y]8 " |19|0 | 0 |10|28| H| 826-854 | 72.5| " |28 |[Y]8 " |17|0 | 0 | 3|20| e| 855-881 | 67.5| " |28 |[Y]8 " |23|0 | 0 | 9|32| a| 882-982 | 252.5| " |28 |[Y]8 " |20|0 | 0 | 8|28| v| 983-990 | 20.0| " |28 |[Y]8 " |21|0 | 0 | 7|28| y| 991-1,049| 147.5| " |28 |[Y]8 " |23|0 | 0 | 7|30| |1,050-1,074| 62.5| " |28 |[Y]8 " |24|0 | 0 | 9|33| |1,075-1,110| 90.0| " |28 |[Y]8 " |25|0 | 0 |10|35| | 641-1,110|1,175.0| |28 | |21|0 | 0 | 7|28| -+-----------+-------+-----------------+---+------------+--+---+---+--+--| A| 185-1,110|2,315.0| |28 | |22|0 |0.1| 5|27| l| 25-1,110|2,715.0| |26 | |21|0.1|0.1| 3|24| l| | | | | | | | | | | =+===========+=======+=================+===+============+==+===+===+==+==|

TABLE 26 PART 2

=+===========+====+=====+=====+========+====+====+====+====+====| W| | | |Av. | | TIME FOR RING | e| | | | | | ERECTION, | i| | | |Time | | HRS. AND MIN. | g| |----+-----| | |----+----+----+----+----| h| |Av. |Time |per | | | | | | | t| |No. |Muck-| |T | S | | | | | | |of |ing, |ring,|i | t | | | | | o| |cu. |per | |m | r | B | B | | | f| |yd. |cu. |shov-|e J | a | o | o | T | | | |per |yd. |ing |a | i | r | r | a | M | | |ring| | |f c | g | e | e | p | e | i| | | |and |o k | h | | | e | a | r| Section | | | |r s | t | 1 | 2 | r | n | o| between | | |Muck-+--------+----+----+----+----+----| n| rings | E | |ing | F | G | G | G | G | G | -+-----------+----+-----+-----+--------+----+----+----+----+----| | 1-24 | 46 |0-06 | 4-32|Time |6-23| | | |6-23| | 25-55 | 46 |0-51 |39-33|for |4-25| | |5-10|4-29| O| 56-72 | 44 |0-21 |15-05|jacks |2-53| | |3-15|2-55| O| | | | |for | | | | | | r| 73-165 | 39 |0-11 | 6-56|light |2-27| | |2-21|2-26| d| 166-184 | 42 |0-09 | 6-19|iron is |2-31| J | J |6-30|2-37| i| | | | |included| | | | | | n| 185-253 | 43 |0-09 | 6-13|in |1-57|2-44|2-52|2-00|2-15| a| 254-293 | 6 |0-18 | 1-45|shoving |1-58|1-57|2-15|2-45|2-02| r| 294-301 | 0 | | 1-08|and |0-58|1-45|1-50| |1-17| y| 302-307 | 26 |0-09 | 4-03|mucking.|2-20|1-40|1-55|2-57|2-22| | 308-342 | 0 | | 0-36| |2-00|1-34|2-42|1-58|2-02| | 343-347 | 2 |0-36 | 1-11| |2-15|2-20| |2-43|2-33| | 348-459 | 0 | | 0-33| |2-03|2-04|2-09|2-23|2-06| | | | | | | | | | | | | 460-494 | 9 |0-09 | 1-23| |2-49|2-30|2-50|1-50|2-38| | 495-513 | 17 |0-05 | 1-28| |2-35|2-23|1-55|2-10|2-26| | 514-605 | 26 |0-04 | 1-44| |2-12|2-34|2-29|2-15|2-19| | 606-624 | 16 |0-04 | 1-07| |1-54|2-33|2-16|1-35|2-04| | 625-640 | 24 |0-03 | 1-13| |2-14|2-55|2-35|2-46|2-28| | 25-640 | | | | | | | | | | | 185-640 | 16 |0-07 |1-58 | |2-07|2-19|2-26|2-15|2-13| -+-----------+----+-----+-----+--------+----+----+----+----+----| | 641-647 | 19 |0-04 | 0-08| [V] |1-20|2-08|1-65|1-40|1-41| | 648-751 | 14 |0-03 | 0-36| 0-12 |1-21|1-22|1-26|1-55|1-23| | 752-795 | 10 |0-03 | 0-29| 0-14 |0-46|1-25|1-31|2-37|1-10| | 796-825 | 5 |0-08 | 0-40| 0-11 |0-48|1-31|1-34|0-53|1-03| H| 826-854 | 15 |0-03 | 0-48| 0-19 |0-54|1-12|1-02|1-23|1-01| e| 855-881 | 7 |0-05 | 0-33| 0-16 |0-59|0-45|1-15|1-20|1-01| a| 882-982 | 10 |0-02 | 0-20| 0-14 |0-49|1-02|1-01|0-50|0-54| v| 983-990 | 17 |0-02 | 0-34| 0-14 |0-40|0-40|0-48| |0-44| y| 991-1,049| 8 |0-03 | 0-21| 0-11 |0-40|0-48|0-39| |0-41| |1,050-1,074| 7 |0-03 | 0-18| 0-10 |0-43|0-44|0-46|0-40|0-43| |1,075-1,110| 16 |0-02 | 0-33| 0-12 |0-50|1-02|1-06|0-58|0-55| | 641-1,110| 8 |0-04 | 0-30| 0-14 |0-56|1-08|1-12|1-29|1-02| -+-----------+----+-----+-----+--------+----+----+----+----+----| A| 185-1,110| 12 |0-07 | 1-20| 0[V] |1-48|2-01|2-11|2-17|1-56| l| 25-1,110|17.1|0-12 | 3-13| [V] | | | | |2-05| l| | | | | | | | | | | =+===========+====+=====+=====+========+====+====+====+====+====|

TABLE 26 PART 3