18. Brigade Headquarters will close at Bernafay Wood at 5 P.M. to-morrow and open at T.19.a.1/2.3½ at the same hour.
Acknowledge. E. W. M. GRIGG, Captain, Brigade-Major. 13/9/16.
The following orders are supplementary to this Office No. 129/G. The latter will be amended, where required, accordingly.
1. 3/G.G., 1/C.G. will relieve 2/I.G. in the line to-night. 2/I.G. will move back to its assembling area on relief, and remain there till zero hour.
3/G.G. will march off at 9 P.M. 1/C.G. will march off at 9.30 P.M. 1/S.G. will march off at 10.45 P.M. T.M.B. will march in rear of 1/C.G.
Company guides from 2/I.G. will be at Brigade Headquarters, Bernafay Wood, for relieving battalions at the following hours:
3/G.G. 9.45 P.M. 1/C.G. 10.15 P.M. 1/S.G. 11 P.M.
2. Forming-up will be carried out as follows:
(_a_) Every battalion is provided with printed boards to mark the waves and the flanks of platoons.
3/G.G., 1/C.G. and 1/S.G. will detail marking parties of 1 officer and 12 O.R. each to put these out before relief to-night. Brigade Signal Officer will provide three guides for this party to be at Brigade Headquarters, Bernafay Wood, at 7 P.M.
(_b_) In order to avoid the enemy barrage, all battalions will form east of the road from _G_ of Ginchy (1/20,000 Sheet 57 C., S.W.) and the southern end of the Sunken Road in T.14.a. In order to make room, battalions will feel their right in forming up as far as a line running parallel to the direction of the attack through Ginchy Telegraph.
On starting at zero hour, battalions will incline left until the left flank is in touch with the right flank of 1st Guards Brigade.
(_c_) The direction of the attack is 58 degrees magnetic from the cross-roads in T.14.a.
Marking boards will be put out on a line 148 degrees magnetic from left flank mark, or 328 degrees magnetic from the right flank mark. Right and left flanks have been marked in advance by 2/I.G.
3. The dividing line between battalions in attack on X and Y lines is as follows:
X line. T.8.d.9.4. Y line. Road junction T.3.d.5.2.
4. 2/I.G. will be formed up in two waves. First wave will clear up second German trench in X line.
Second wave will clear up first German trench in X line. Both these waves will clear up Y line.