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ENGINEERING JUDGMENT FIRESTOP DETAIL

PROJECT NAME : ALTA BATES SUMMIT MEDICAL CENTER PATIENT CARE PAVILION FACILITY NAME : ALTA BATES SUMMIT OAKLAND FACILITY ADDRESS : 350 HAWTHORNE AVE., OAKLAND, CA 94609 OSHPD PROJECT NUMBER : IS-080759 CONTRACTOR : DPR CONSTRUCTION F-RATING = 1-HR. OR 2-HR. FRONT VIEW SECTION A-A 1 A 7 9 7

6 MAX. 3" 6 8 9 5 3 10 4 6 MIN. 2 1/2"

Drawing No.

8 3 4

2 2 A 1. CONCRETE FLOOR OVER METAL DECKING ASSEMBLY (MINIMUM 2-1/2" THICK) (2-HR. FIRE-RATING). 2. GYPSUM SHAFT WALL ASSEMBLY (1-HR. OR 2-HR. FIRE-RATING). 3. MIN. 2-1/2" WIDE J-SHAPED (MIN. 20 GA.) RUNNER WITH UNEQUAL LEGS OF 1" AND 2" (SPACED 24" C/C). 4. [NOT SHOWN] C-H SHAPED STUDS MINIMUM 2-1/2" WIDE x 1-1/2" DEEP (25 GA.) CUT TO LENGTH 1/2" LESS THAN FLOOR TO CEILING HEIGHT. 5. HILTI CP 777 (1" THICK) SPEED PLUG FLUSH WITH WALL SURFACE. 6. MINIMUM 1/8" (WET) THICKNESS HILTI CFS-SP WB FIRESTOP JOINT SPRAY OR HILTI CP 672 SPEED SPRAY TO COMPLETELY COVER MINERAL WOOL, OVERLAPPING MINIMUM 1/2" ONTO GYPSUM WALL AND METAL DECK. 7. HILTI CP 777 SPEED PLUG FLUSH WITH WALL SURFACE. 8. HILTI CP 767 SPEED STRIP (1-1/4" WIDE) COMPRESSED 50%. 9. HILTI X-U POWDER ACTUATED PIN (12" OC). 10. MINIMUM 1" DEPTH HILTI CP 606 FLEXIBLE FIRESTOP SEALANT. NOTES : 1. MAXIMUM WIDTH OF JOINT = 3/4". 2. SYSTEM IS DESIGNED AS A STATIC SYSTEM ONLY. 3. T-RATING MAY NOT EQUAL F-RATING IN ACCORDANCE WITH UL 2079. 4. (NOT SHOWN) NO. 8 SELF DRILLING DRYWALL SCREWS SCREWS SECURE GYPSUM TO J-TRACK. (REFERENCE : UL SYSTEM NO. HW-D-0042, HW-D-0342 & TBT-1601)

HILTI, Inc. Tulsa, Oklahoma USA (800) 879-8000

Designed by Sheet Scale Date

MA.X 3/4"

1 of 1 5/32" = 1" Jan. 24, 2011

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