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معلومة جديدة
معلومة جديدة
24.2.1.4 Modifications affecting 20 or fewer sprinklers shall **t require testing in excess of system working pressure. 24.2.1.5 Where addition or modification is made to an existing system affecting more than 20 sprinklers, the new portion shall be isolated and tested at **t less than 200 psi (13.8 bar) for 2 hours. 24.2.1.6 Modifications that can**t be isolated, such as relocated drops, shall **t require testing in excess of system working pressure. 24.2.1.7 Loss shall be determined by a drop in gauge pressure or visual leakage. حبيت أشارك بمعلومة أنه لو تم إضافة عدد من الرشاشات 20 أو أقل لمشروع قائم بالفعل لاتحتاج لأختبار المصدر: Forums lug,lm []d]m |
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