A lone ladder stands at the front of Hunan House Chinese Restaurant in Tamaquaafter the building's facade was removedby workers early Wednesday. But it's not a move to implement open-air dining. Instead, the business is undergoing major renovations. The eatery closed Monday and will remain out of operation for about one month, the owners said. The restaurant on the 100 block of West Broad Street will expand and take over all three storefronts of the building, reopeningas a buffet.