Water supply and drainage design and construction drawings of two high-rise buildings in a residential area, Class II high-rise, 12 floors above the ground and 1 floor underground (Level 6 civil air defense). The drawings include: design description, water supply and drainage plan of civil air defense basement in wartime and peacetime Plane of automatic sprinkler and fire hydrant in civil air defense basement , first floor water supply and drainage and fire protection plan, system diagram (domestic water supply, sewage, rainwater, air-conditioning condensate, fire hydrant and spray), sprinkler and pipe installation height diagram, staircase fire hydrant layout, kitchen and bathroom and water pipe well details, unit inlet pipe details.