وصف الابواب المعدنية

1) Door construction:
• Provide doom of 45 mm thickness full (lush construction fabricated from 1.5 nun galvanized steel sheet • Fate sheets shall be stiffened by vertical steel stiffeners 1.2 nun thickness . • Steel vertical stiffeners are placed no mom than 150 mm apon and welded no more than 150 nun along their length. • Rock wool insulates the area between stiffeners . • Flush lop channel and inverted bottom channel of 2.0 mm steel thickness am welded to both fax sheets . • Pull flush doors an interlocked hairline seams on vertical edges and have no visible seams on faces .
2 Hardware preparation : 2-1) Hinge preparation : provide doors with 4.0 mm thick steel hinge reinforcements with lapped holes welded to the door skins standard hinge preparation is to be for 4-A* x 4 1/2" three preparation through 2286 mm height and four preparation over 2286 nun up to 3048 mm height
2-2)lock preparation : provide doors with 3.0 mm thick steel formed lock reinforcement with tapped holes welded m the door skins . provide internal hardware reinforcements as rewired for of lock that is specified . 2-3) closer and other reinforcements : provide aU doors with IllutiltILLUI 2.0 nun steel reamer:mem as necessary to support the hardware scheduled with tapped holes welded to the door skirls .
3) Glazing and louvers : Where required by the plans, doors arc prepared for installation of glazing and or 101RICIS.
41 Painting : After fabrication provide doors thoroughly cleaned and coated with epoxy primer . finish paint to be applied at the site after installation . 5) Fire protection : •Provide labeled fire rated doors with ratings as specified in the plans. •Fire doors an to be manufactured by Marry at & Scott factory in accordance with the approved procedures issued by Omaga 6)Lahels; Fire rated doors shall bcar the appropriate labels.