Internal Toilet Layout 110mm Pipe 100mm Drop Slab DWG Plan layout

 This AutoCAD DWG file shows a detailed internal toilet layout, including plumbing layout, sectional details, and key plan for 5th floor toilet T 17 with pantry. The drawing includes a water supply and drainage system with 110 mm soil and waste pipes, a 160 mm vertical stack, and 50 mm wastewater pipe connections. Domestic water supply line, drinking water supply, and hot water supply are clearly marked with pipe sizes such as 20 mm and 15 mm diameter lines. The layout includes fixtures such as a water closet, wash basin, shower, geyser, a health faucet, an angular stop cock, and a floor trap with proper connection details. Sections O and P show internal height of 3000 mm, false ceiling provision, and floor finish levels with a 100 mm drop slab for toilet areas. The drawing also indicates slope towards the floor trap, trap positions, and pipe routing through walls and slabs. Additional details include ball valve, non-return valve, vent pipe, and concealed pipe arrangement as per CPVC and uPVC standards. This internal toilet layout CAD drawing is useful for architects, civil engineers, and plumbing designers for accurate execution and coordination.