21 00 00 Fire Suppression: Common Contradictions and RFI Guide
Sprinkler head type and coverage pattern in the fire suppression spec conflict with architectural reflected ceiling plans and hazard classification.
Most Fire Suppression contradictions trace to the same root: the specification and the drawings are produced by different people at different stages, and never fully reconciled before the set goes out. By the time the conflict is found in the field, it is an RFI, a delay, or a change order.
Lintel cross-references section 21 00 00 against your full drawing set, schedules, and the rest of the project manual, flagging every disagreement with a citation to the exact page so it is resolved in review.
Common contradiction types
Head type vs. hazard classification
A frequent fire suppression conflict. Lintel reconciles the drawings against the spec to surface it with a page-level citation, so it is caught in review rather than at rough-in.
Coverage pattern vs. RCP
A frequent fire suppression conflict. Lintel reconciles the drawings against the spec to surface it with a page-level citation, so it is caught in review rather than at rough-in.
Water supply pressure conflicts
A frequent fire suppression conflict. Lintel reconciles the drawings against the spec to surface it with a page-level citation, so it is caught in review rather than at rough-in.
Frequent RFIs
- Sprinkler head type not matching hazard classification
- Coverage pattern conflict with reflected ceiling plan
- Water supply pressure not meeting head requirement