With regards to the first diagram, I've had the next hose down, the one closer to the intercooler replaced, on the primary turbo side. LRA noticed it had nearly rubbed through when they replaced the turbo. What it runs on I can't recall.

Re the photo, that looks to me like that hose clamp has been tightened way too far, plus the rubber looks heavily affected by oil. I changed my alternator out last month and to get to it had to remove the lower intercooler hose, I drained about 1/2 a cup of oil out of that hose and the bottom of the intercooler...I will now open that hose to intercooler join every oil change (10,000km or 6 months) to check.