The Alpha / Helix 16763N built by Cavco Dorchester is a 3-bedroom, 2-bathroom single-section home with 1,140 square feet on a 76-foot frame. It's the narrower of the two Alpha series models at 16 feet wide, compared to the multi-section Atmos 28603N's 28-foot width, though its 76-foot length is the longest frame in the series. The three bedrooms and two bathrooms fit within that long, narrow single-section footprint. It's the single-section option in the two-model Alpha series.