Three-story townhouse mechanical detail drawings (Lot 7) showing comprehensive ventilation, gas, and heating systems across all floors. This detailed service shaft layouts illustrate:
Ground Floor: Entry vestibule, living room, kitchen with hood connection (Ø125mm), toilet with dedicated ventilation, and garden access.
First Floor (+1): Central bathroom with ventilation connections, toilet facilities, and distribution piping for heating (DN20/DN25).
Second Floor (+2): Three bedrooms, storage room with dryer connection, bathroom facilities, and wall-mounted gas boiler with hot water system.
Piping details include DN20/DN25 heating lines, 80/125mm ventilation ducts, and properly routed sanitary drainage. The service shaft maintains vertical alignment through all floors with appropriately sized penetrations for mechanical, electrical and plumbing systems.