DRY SPRINKLER AIR LEAK TEST - 1 2. REMOVE AND REPLACE RECALLED SPRINKLER HEADS - 2 ( HOOD SYSTEM ) 3. PROVIDE SPRINKLER HEAD FOR SPARE HEAD BOX - 1 4. REPLACE BACKFLOW TEST COCKS - 2 5. REPLACE EXIT / EMERGENCY LIGHT BATTERIES - 4 6. LABOR 7. SERVICE CALL