"Steel Grating 허용오차도"

◎ Fastening Details

1. FLELD WELDIND
Recommended for all permanently installed Gratings, and for those which are to be removed only at infreqent intervals.

2. SADDLE CLIPS
May be used is installations where grating is subject to frequentremoval. When it is possible to weld the stud bolts of saddle chps to supporting members in the field.

3. LOWER CLIOPS
This can be done quickly and safely be one man using only a box-end wrench.
working form the floor surface.

4. BOLT & NUTS
The Bolt and Nut is coated by electric gaivanized.

◎ By Welding

◎ With Bolts

◎ Standard Manufacturing Tolerances

according to the national association of architectural metal-manufacturers(naamm) specification in U.S.A ALL DIMENSIONS GIVEN ARE MAXIMUM PERMISSIBLE TOLERANCE.

GRATING의 제작 허용오차도
우리나라에는 GRATING에 관련 정확한 규격이 설정 되어 있지 않기 때문에 미국 (NAAMM SPEC)의 현존하고 있다.