Here's how we do it:
("as_2586" ("as_2587" ("as_2588" ("as_2637" ("as_2638" ("as_2639")) ("as_2640")) ("as_2595")) ("as_2589")))
Equals:
Sub Projects
* 200705_PSC_Trinity (Construction)
o as_2587 (Client Approval)
+ as_2588 (Building Permit)
# CD Set (Deliverable)
* A-110 (Deliverable)
o 1. Site Plan (Deliverable)
* PSC Survey Info (Building Surveying)
# as_2595 (Systems Coordination)
+ as_2589 (Programming)