Pentagon was asked by a long standing client to carry out the replacement of aged chillers serving critical scientific processes. The catch? All this had to be done over a weekend with new pipework, controls and power. After being handed the site at 7am on Saturday morning the client was handed back the site at 5pm on Sunday afternoon; with the new system running fault free since. The system consisted of new pressurisation units, 2 new chillers, various crane lifts and new pipework.