A couple times a week, the fenced Arctic Benson dog park in Midtown Anchorage converts into a haven for little dogs.A sign posted at the park lays out the rules. From 10 a.m. to noon on Saturdays and Sundays, and 5:30 p.m. to 7:30 p.m. on Wednesdays, only dogs weighing 25 pounds or less can come into the park, with the exception of service dogs. No big dogs allowed.The Anchorage Parks and Recreation department put the policy in place about a year ago, after small-dog owners requested the separate time blocks, said Holly Spoth-Torres, parks superintendent. She said that in dog parks across the U.S., placing big dogs and little dogs together in fenced areas generally leads to bullying and intimidation.   "Owners feel more comfortable when the sizes are separated," she said.In Anchorage, the separation of the sizes may at some point become more widespread. Officials are in the process of evaluating the Arctic Benson policy, with the possibility of expanding specific times for small dogs at the Valley of the Moon off-leash dog area. An Animal Control Advisory Board hearing will take place in two weeks to gather community input and hear other suggestions. “It’s just a matter of, how do we meet the needs of the small dog community?” said Kayla Epstein, member of the Animal Control Advisory Board and chair of the Off-Leash Dog Area Committee and herself the owner of a mini-pinscher.Kellie Robinson, 47, used to bring her 8-pound Chihuahua, Scout, to a Saturday morning meet-up at the Valley of the Moon baseball field, which has been co-opted into a dog park over the years. The meet-up started out just for little dogs, she said, but eventually, bigger dogs started to come too.Twice, Scout was tumbled and rolled, and Robinson stopped bringing her to the meet-up.“It’s not an aggression issue, the big dogs just want to play with the little dogs,” Robinson said “(But) a friendly 80-pound dog who lands on an 8-pound dog could break a back.”“We don’t want a whole park for ourselves,” she added. “We just want a few hours a week where our dogs can be safe.”In seeking to divvy up big dogs and little dogs,Oakley Eye Protection, Spoth-Torres said the municipality would be falling in line with national standards. In other cities, like Seattle, dog parks already have separate fenced-off areas for big dogs and small dogs.But the municipality’s six off-leash dog areas simply don’t have enough space, Spoth-Torres said. Of those six, only one, the Arctic-Benson park, is surrounded by a full-scale fence.  The Valley of the Moon off-leash area is still technically a baseball field, but it’s in the process of being formally dedicated as a park, Spoth-Torres said.Meanwhile, the parks department is looking at creating a seventh fenced off-leash dog area in the Abbott Loop area. The goal is to distribute those spaces equally throughout the city, Spoth-Torres said.