30NCC

Ceiling Hangers shall be fail safe and include a steel frame containing an AASHTO Bridge Bearing Quality LDS Rubber Element at the top and a nominal 1” deflection steel spring at the bottom. Springs shall be seated in an LDS cup with a rubber bushing extending through the box to prevent metal to metal contact between the steel suspension rod and the frame.

Dynamic Stiffness of Cup and Element shall not exceed 1.4. The ID of the bushing must allow a 30° swing from side to side before rod contact. Springs shall be factory precompressed to 70% of the assigned deflection. Hangers shall be Mason Industries 30NCC for 11/2 x 1/2 channel, W30N for wire, or W30NCC for wire and channel. Submittals shall confirm AASHTO Quality and Dynamic Stiffness in addition to deflection.

SIZE SPRING COLOR
12 lbs – 5 kg Orange
23 lbs – 10 kg Brown
33 lbs – 15 kg Red
54 lbs – 24 kg White
76 lbs  34 kg Black
113 lbs – 51 kg Yellow
130 lbs 59 kg Purple
175 lbs 79 kg Silver
210 lbs – 95 kg Blue
PRODUCT SUBMITTAL
2D CAD DETAILS
3D CAD DETAILS
MODEL STP FORMAT
REVIT 2012 RFA FORMAT

BULLETINS, DATA SHEETS & INFORMATION

ARCH. CEILING HANGERS SPECIFICATION
ARCHITECTURAL CEILING HANGERS BULLETIN
LDS RUBBER SOUND ISOLATION SYSTEM

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