Parametric Bench

Hello Experts! I am beginner in grasshopper. M working on one script regarding parametric Bench & facing some issues, If I draw perpendicular frames according to the crv then connected it into brep plans it automatically increase frame no 101 to 109 (perpendicular fram nos. are 100) see attached image, that’s one issue & another one is how do I give a thickness to brep plans i mean how to extrude with some amount of thickness? I also upload my script please guide me asap.
Parametric (16.0 KB)

See if the parametric bench tutorial here helps:


Parametric (25.3 KB)