We are going through the process of picking a pool builder to build a concrete pool in our yard. A few obstacles have crept up that we are sorting out but alas the summer is ticking away. A few pool builders have suggested that we could begin construction on the pool in late summer and do everything except the plaster. Then we would plaster in the spring. My question is are there any concerns with doing this? We are near Washington DC so are winters are not brutal but they do get very cold. Thanks for your hep!