Traditional roof cornice width standard

Analysis According to the Code for Calculation of Engineering Quantity of Building Construction and Decoration Engineering (GB 50854), the height of solid brick exterior wall is calculated in three cases: ① If there is no cornice ceiling on the sloping (sloping) roof, it is calculated to the bottom of the roof panel; (2) If there are roof trusses and indoor and outdoor awnings, add 200mm to the bottom of the lower chord of the roof trusses; if there are no awnings, add 300ram to the bottom of the lower chord of the roof trusses; when the cornice width exceeds 600mm, it shall be calculated according to the actual build by laying bricks or stones height; (3) Flat roof to the bottom of reinforced concrete slab.