While Donald is on leave the 4th SAI spend time supplying further work parties and spending some time in the trenches in the Arras area.
- 1 Feb
Relieved by 1st SAI
Moved to billets in Arras - 2 Feb
Bathing - 3rd to 8th Feb
Working parties - 9th Feb
Relieved the 2nd SAI in J2 sector - 10th to 16th Feb
Trench warfare - 17th Feb
Relieved by 2nd SAI
Moved to reserve in Arras - 18th to 24th Feb
Working parties - 25th Feb
Relieved 2nd SAI
Working parties- Tunneling
- Trench digging
- 26th to 28th Feb
Trench warfare
Working parties- Tunneling
- Trench clearing
- 28th Feb
War diary of the 4th SAI signed by Ewen Christian Lt.Col Commanding 4 SA Infy Bn