Source
The following information is extracted from a document contained with the war diary of the Adjutant of British Fourth Army Chief Engineer (WO95/442) of February 1917.
Establishment
| Officers | 1 Captain (in command) plus 2 Lieutanants or Second-Lieutenants |
| Warrant Officers Class I | 2 |
| Warrant Officers Class II | 6 |
| Staf-Sergeants and Sergeants | 16 |
| Corporals | 20 |
| 2nd-Corporals | 40 |
| Sappers | 182 of which 8 were appointed to Lance-Corporal |
| Attached | 3 infantry Privates to work as officers batmen |