APPENDIX “A” 14 June 1916

APPENDIX “A”

 

WIRE CUTTING

 

  1. Wire cutting will be carried out by five 18-pounder batteries from each Group, assisted by the Medium Trench Mortars.

 

  1. Since it is inadvisable to disclose the positions of the trench mortars too early in the bombardment, they will not open fire till the second day. The 2nd and 3rd days will consequently be allotted to them for wire cutting, and they will endeavour to cut the wire on the front and second lines opposite Left and Centre Groups, and on the first line opposite the Right Group.

 

  1. On the fourth day the 18 pounders will engage any wire on these trenches left uncut by the trench mortars.

 

  1. Each 18-pounder battery will have a narrow strip of front allotted to it. These strips vary from 100 to 200 yards in breadth.

 

  1. Each battery will be responsible for cutting the wire within the strip allotted to it.
  2. To obviate batteries interfering with each other during the wire cutting, special hours will be allotted to batteries thus:-Example

6 a.m. to 9a.m. Batteries 1 and 2 for each Group

9 a.m. to 12 noon Batteries 2 and 4 for each Group

13 noon to 3 p.m. Batteries 5 for each Group.

  1. Each Battery at night will be responsible for prevention of repair of wire on its own portion of front, and will fire bursts of fire at irregular intervals in accordance with instructions to be issued by Group Commanders.
  2. During the bombardment to support the assault each battery will be responsible for the same strip of front, and will carry out the necessary lifts within the strip allotted to it. Consequently, all registrations obtained during wire cutting should be carefully noted by Battery Commanders, and will act as part of the registrations necessary for the bombardment to support the assault.
  3. It will be left to Group Commanders to make any necessary small adjustments in the distribution of wire to be cut within their groups. They will also be responsible that portions of the wire are not overlooked and that they communicate with the Infantry patrols which go out to examine Artillery results.
  4. In engaging any portion of wire each battery will, in the first place endeavour to cut a lane right through the wire, and will subsequently widen the gap made.
  5. The object of allotting strips of front to each battery may be taken as threefold:-

(a) To assist in the distribution of wire cutting tasks to batteries.

(b) To facilitate the destruction of trenches to be engaged by batteries during the assault.

(c) To allot fronts to batteries, such that at any time during or after the assault, an effective barrage may be established on any line of trenches.

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