Don't use quicklime (hydrated lime, CaO)
Slaked lime (calcium hydroxide) is basically ok as long as you till or water it in before letting the birds loose on it.
Ground or pelletized limestone like you'd lime your lawn with is totally fine.
Bleach won't hurt them as long as they don't come in direct contact with it and I'd let the fumes dissipate before putting chickens back in coop.
Good luck, have fun,
Pat