The proposed residential building is designed to be located on a narrow terrain of 13 x 20 meters, situated near the ocean in the city of Balneário Piçarras. The building will consist of three floors, with a total of 6 apartments, covering a total area of 699 m².

The main floor of the building will be dedicated to parking facilities, with space for up to 6 cars. There will also be a small garden area on this floor, providing residents with a space for relaxation and recreation.

The upper two floors of the building will house the 6 apartments, with each floor containing 2 apartments. Each apartment will have a modern design and will be equipped with all the necessary amenities to provide residents with a comfortable living experience. The apartments will range in size from 62 to 65 square meters, providing ample living space for families or individuals.

The first and second floors will have a similar layout, with each apartment featuring an open plan living room and dining area, a fully equipped kitchen, two bedrooms, and two bathrooms. The apartments will also have balconies, allowing residents to enjoy the stunning views of the ocean.

The building's facade will have a modern design, with a mix of glass and concrete elements. 

In conclusion, the proposed residential building is designed to provide residents with a modern and comfortable living experience in a prime location near the ocean.