No builders here, this is the Home Team, working their socks off to keep the ready-mix pliable and get it tamped before the next load. The rolling tamper was new to me - much improved over hitting it with a plank! This pit can be seen in action in "Three JCBs on the Pit with 3 Foragers, 10 Tractors . . ." video last maize season. For the record, this shed has been in use since last March. Filmed in Carmarthenshire, Wales.