Where's the TTO suspending parking? All I can see is one which refers to prohibited entry and Tarling isn't among the listed roads anyway.
Tarling is listed on the second page, but I agree that the wording says the effect is to close the road, not to suspend the bays.
The main thing I take issue with is the signage.
That's not a suspension sign, it's an advance warning sign. Point 4 on the sign says the restriction only applies when the appropriate traffic signs are in place, in my book that means actual suspension signs.
Secondly, the sign is so riddled with grammatical errors as to be incomprehensible. What the hell does "Monday 29th September until Monday 29th September 8am to 4pm" mean? Arguably the restriction starts as soon as Monday starts and lasts until 8am, then restarts at 4pm - in which case the PCN was issued 7 minutes after the restriction ended. The notice gives a completely different time window, ending on the 3rd October at 6pm!
Thirdly the notice says restriction ends when the work ends, and that the work is "Tree works - Green Space, Cleansing and Gristwood and Toms" another crime against grammar. I would say you're entitled to put the council to strict proof that "Tree works - Green Space, Cleansing and Gristwood and Toms" occurred after 08:07 on that day. If it didn't then they can't issue the PCN, because the notice says the restriction ends when the work ends.