Jul 11, 2019 · NFPA 13 provides the required distances from standard spray sidewall sprinklers in tables 10.3.6.1.3 and 10.3.6.1.4. The first table provides the required distances for sidewall sprinklers located four feet or more from an obstruction. The sOkaynd table addresses obstructions that share a wall with a sidewall sprinkler.