CEDAR RAPIDS — Construction has begun on the College Commons, a $5 million, three-story mixed use development on First Avenue that will be the first new development to begin construction in the proposed College District.The building, located at the 1400 block of First Avenue NE, will have an H&R Block, Jimmy John’s, Scooter’s Coffee and a Clean Laundry laundromat on the first floor, and 18 apartment units split between 16 two-bed, two-bath units and two single-bedroom units.Developer Brent Votroubek of H&V Development said the apartments will be marketed to students at Coe College and Mount Mercy University looking for more upscale residences than what those universities might offer.Votroubeck said rent is expected around $1,395 per month for a two-bedroom unit.