I do not grow in tents, I home built a closet. My only concern and honestly I have no facts to substantiate my gut feeling (there may be some but I'm unaware). For that amount of light that,s not much grow room. space. I may have my numbers wrong, but hypothetically.
HPS puts out heat a lot of heat, 600w, if you give your self 12" for the container 6" for the space between the top of the dirt and the scrog screen, add the circumference of your scrubber and exhaust. That would be approximately 6 inches. That leaves you with 2.5 feet of growth, this is just ball park and pie in the sky calculations.
A 600w HPS is going to generate a lot of heat, I had to keep a minimum of 18 inches of height above my plants when I grew in dirt and with HPS and that was a 400w
Now this is when I grew years ago, just started with LED's, the newer HPS may not generate as much heat, but if it was me, I would try to get more distance above the plants or reduce the amount of wattage.
My opinion, supported only by past experience in my grow area, I'm sure there are other ways of doing it so your plan may be spot on.
Good Luck brother, nice drafting skills though!