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Staff: hydrant capacity adequate for shell but some tenants could need internal suppression
Summary
City staff reported two hydrants exceed 4,000 gpm and are adequate for the proposed 5,140‑square‑foot shell, but cautioned that future tenants with higher fire‑flow demands (e.g., medical uses) may require internal fire‑suppression retrofits or a fire riser room.
Planning staff relayed fire‑flow findings from the county review: the proposed shell was measured at roughly 5,140 square feet with a table B105.1 demand of 2,000 gallons per minute at 20 PSI. Staff said two nearby hydrants test above 4,000 gpm and therefore provide adequate public flow for that shell configuration.
"The fire flow for the combined area is 5,140 square feet of construction type B ... that's a 2,000 gallons per minute at 20 PSI," said Speaker 1 (Chair) summarizing Aaron Walker's calculations. However, staff cautioned that if the building later accommodates tenants with a higher suppression demand (for example, certain medical facilities), the tenant would be responsible for installing internal suppression, a fire riser room or other systems to meet code requirements.
The Authority recorded the fire‑flow information as part of its technical review but treated the need for suppression systems as tenant‑dependent; the conditional approval does not require installing an internal suppression system at the shell stage but notes tenants may trigger retrofit requirements during building‑permit review.
