💡 NFPA 72 Table 18.5.5.4.1 (15 cd to 185 cd Wall & Ceiling Strobe Coverage)

Fire Alarm Strobe Candela & Spacing Calculator

Size visible notification appliance candela ratings and ceiling/wall mounting spacing under NFPA 72 Table 18.5.5.4.1 & ADA accessibility guidelines: calculate required candela output (15 cd for 20'x20' rooms up to 185 cd for 50'x50' large halls), multi-strobe synchronization protocols preventing epileptic seizures, and life safety margins.

1. Project & Operating Inputs

Building Rooms Equipped with Strobes (Room Count e.g. 64 Rooms)

Average Room Size (Square Feet e.g. 900 Sq Ft / 30'x30' Room = 30 cd)

Customer Bid Price for Supplied & Installed ADA Strobes ($ / Room)

Selectable-Candela Strobes, Backboxes, Sync Modules & Electrician ($ / Unit)

2. Financial Breakdown & Yield

NFPA 72 STROBE CANDELA SIZING

Turnkey Strobe Upgrade Contract Profit

Fire Alarm Systems Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost