Hey. I think we might have the thing you are looking for It doesn't 100% match what you described however we have many multiblock structures than you can build to complete tasks, for example; furnaces, stone masons tables, saw mills, leather racks, water pipes and a lot more - the entire survival aspect of the game has been reworked pretty much.
http://tutorial.stormheart.net -> this video shows you how to get started on the server, it gives you a bit of an insight on some of the basics to the game and hopefully you will see how unique we are.
the ip is
mc.stormheart.netHope to see you there