New Accumulation Block: Thoughts?

Day 1	Day 2	Day 4	Day 5

WK 1 a1 B1 C1 A2
WK 2 b1 C1 A1 B2
WK 3 c1 A1 B1 C2
A = Push
B = Legs
C = Pull
1=OVT Modified (Heavy Compound ss. Timed Set Hi Reps)
2=Negative Focused training
Big Letter 100% volume, little letter 60% volume
All, I am planning on an accumulation block as described above. Anyone have any thoughts/comments?