the cabinets arrive complete, so with enough civils gangs you could put them down on plinths with ducts in a week. Then they have to be wired to the existing cab and have fibre connections to the exchange installed etc. Depends how many bodies with relevant skills are available.
MaxDSL - goes as fast as it can and doesn't read the line checker first.
Are your kids pirates ? Limewire, Bearshare, Kazaa, BitTorrent, eMule are all tools of the trade.