THIS DRAWING IS TO BE READ IN CONJUNCTION WITH DOCUMENT NO.: BK.TNG-002-TS-ME-RPT-0003 DESIGN PHILOSOPHY AND DESIGN BASIS-TECHNICAL BUILDING : 1. USE STD. MANUFACTURED ACCESS DOOR. REFERENCE : SMACNA STANDARD 2ND EDITION-1995, FIG.2-10 2. SIZE OF ACCESS DOOR TO BE MAXIMUM SIZE POSSIBLE BUT NOT TO AXCEED 610 x 610. 3. NO OF HINGES AND LOCKS TO BE IN PROPORTION WITH DOOR SIZE TO ENSURE AIRTIGHTNESS 4. FOR DUCT WITH INTERNAL LINER, FRAME SHALL BE MODIFIED TO SUIT.