Here is an autocad dwg file for details of Flat roof invested passable. A flat roof is defined by having a roof pitch below 1.5 degrees or a Fall of 1 in 40 and ... All new flat roof materials should have certificate by supplier and the roof.
Beam and foundation plan d
Construction view of wall,
Construction detail view w
Detail stair plan dwg deta
Constructional detail
Various types of Columns s
Foundation plan and sectio
Sectional view of trench c
Wall section plan and sect
Steel structural detail dw
Azure ceiling constriction
Installation of an elevato