四分律刪繁補闕行事鈔 1.288

1.288

The inner red square is the ordination platform. The surrounding space between is called 'natural'. For the northeast two sides, the top and bottom of the small wall are used as the substance of the natural boundary. On the south and west sides, inside the wall of the great boundary, where there are no other landmarks, pegs should be driven and markers erected, connected by a rope. At the southeast corner of the ordination platform, one foot and eight inches away from the wall of the great boundary, beside the small wall, place a peg. At the southwest corner, place a peg diagonally about two feet away from the great wall. At the northwest corner, place a peg south of the small wall and beside it, directly west and about one foot eight inches from the great wall. Having driven the three pegs, connect the three markers with a rope, which constitutes the natural boundary. On the south and west sides, once the two karmans have been completed, if the two boundaries each have ritual matters, having people within this [natural area] will not interfere with either place. As for the outer marks of the ordination platform, the marks for the northeast two sides use the inner compound of the small wall as the marks. The southwest two sides use the inner side of the rope markers as the marks.