Newbie carpenter botched a deck joist install - learned the hard way

I'm a second year apprentice out here in Arizona the sun beats down on you like nothing else. Got assigned to frame a backyard deck with 2x10 douglas fir joists and I spaced them at 18 inches instead of 16 on center like the plans said. Homeowner came out mid-job and flipped, said it wouldn't pass inspection and now we're ripping it all out. Watched a Home RenoVision DIY video last night and realized I should've double-checked the span tables first. Total rework cost the crew two full days. Feels like crap after thinking I had it down. Anyone else got a similar screw-up early on?

man that sucks, i did something similar on my first porch job and the lead ripped me a new one but it taught me to always verify spacing before nailing anything down

these homeowners act like they know more than us sometimes. hate when they micromanage a simple frame job.

at least you caught it before pouring concrete. i once laughed so hard watching a noob try to level joists with a wobbly laser and ended up with a bouncy floor.