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2018-05-29 15:44:18 | THIS PLAN WAS REVIEWED AND APPROVED BY PETER LEDUC, |
| FIRE MARSHAL, WITH THE FOLLOWING COMMENTS: |
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| PLEASE CONSIDER THE FOLLOWING AS PROVISO: |
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| THESE PROVISO COMMENTS WILL BE VERIFIED AND CONFIRMED |
| AT THE TIME OF FIRE INSPECTION. FAILURE TO FOLLOW THESE |
| PROVISO COMMENTS WILL RESULT IN A FAILED FIRE |
| INSPECTION. |
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| 1) RELOCATED DROPS MAY NOT BE ABLE TO BE ISOLATED; |
| HOWEVER, THE FLOOR AREA MAY AND TEST AT 200PSI FOR |
| 2HRS. |
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| IF NOT |
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| 2) TEST AT WORKING PRESSURE FOR 2 HOURS PER NFPA 13. |
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| 3) USE FIRE PUMP TEST PRESSURE FOR WORKING PRESSURE |
| CALCULATIONS. |
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| 3.3.23 SYSTEM WORKING PRESSURE. THE MAXIMUM ANTICIPATED |
| STATIC (NONFLOWING) OR FLOWING PRESSURE APPLIED TO |
| SPRINKLER SYSTEM COMPONENTS EXCLUSIVE OF SURGE |
| PRESSURES AND EXCLUSIVE OF PRESSURE FROM THE FIRE |
| DEPARTMENT CONNECTION. |
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| 25.2 ACCEPTANCE REQUIREMENTS. |
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| 25.2.1* HYDROSTATIC TESTS. |
| 25.2.1.1 UNLESS PERMITTED BY 25.2.1.2 THROUGH 25.2.1.8, |
| ALL PIPING AND ATTACHED APPURTENANCES SUBJECTED TO |
| SYSTEM WORKING PRESSURE SHALL BE HYDROSTATICALLY TESTED |
| AT 200 PSI (13.8 BAR) AND SHALL MAINTAIN THAT PRESSURE |
| WITHOUT LOSS FOR 2 HOURS. |
| 25.2.1.2 PORTIONS OF SYSTEMS NORMALLY SUBJECTED TO |
| SYSTEM WORKING PRESSURES IN EXCESS OF 150 PSI (10.4 |
| BAR) SHALL BE TESTED AS DESCRIBED IN 25.2.1.1, AT A |
| PRESSURE OF 50 PSI (3.5 BAR) IN EXCESS OF SYSTEM |
| WORKING PRESSURE. |
| 25.2.1.3 WHERE COLD WEATHER WILL NOT PERMIT TESTING |
| WITH WATER, AN INTERIM AIR TEST SHALL BE PERMITTED TO |
| BE CONDUCTED AS DESCRIBED IN 25.2.2. THIS PROVISION |
| SHALL NOT REMOVE OR REPLACE THE REQUIREMENT FOR |
| CONDUCTING THE HYDROSTATIC TEST AS DESCRIBED IN |
| 25.2.1.1. |
| 25.2.1.4 MODIFICATIONS AFFECTING 20 OR FEWER SPRINKLERS |
| SHALL NOT REQUIRE TESTING IN EXCESS OF SYSTEM WORKING |
| PRESSURE. |
| 25.2.1.5 WHERE ADDITION OR MODIFICATION IS MADE TO AN |
| EXISTING SYSTEM AFFECTING MORE THAN 20 SPRINKLERS, THE |
| NEW PORTION SHALL BE ISOLATED AND TESTED AT NOT LESS |
| THAN 200 PSI (13.8 BAR) FOR 2 HOURS. |
| 25.2.1.6 MODIFICATIONS THAT CANNOT BE ISOLATED, SUCH AS |
| RELOCATED DROPS, SHALL NOT REQUIRE TESTING IN EXCESS OF |
| SYSTEM WORKING PRESSURE. |
| 25.2.1.7 LOSS SHALL BE DETERMINED BY A DROP IN GAUGE |
| PRESSURE OR VISUAL LEAKAGE. |
| 25.2.1.8* THE TEST PRESSURE SHALL BE READ FROM A GAUGE |
| LOCATED AT THE LOW ELEVATION POINT OF THE SYSTEM OR |
| PORTION BEING TESTED. THE PRESSURES IN PIPING AT HIGHER |
| ELEVATIONS SHALL BE PERMITTED TO BE LESS THAN 200 PSI |
| (13.8 BAR) WHEN ACCOUNTING FOR ELEVATION LOSSES. |
| SYSTEMS OR PORTIONS OF SYSTEMS THAT CAN BE ISOLATED |
| SHALL BE PERMITTED TO BE TESTED SEPARATELY. |
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| 4) PROVIDE SPRINKLER HEAD MANUFACTURES SPECIFICATION |
| SHEETS FOR FIRE INSPECTOR VERIFICATION PURPOSES ON FIRE |
| INSPECTION. |
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| PETER LEDUC |
| FIRE MARSHAL |
| 561-804-4709 |
| [email protected] |
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