PIPE IS LIFTED to the second floor of the Luther West Science Building at Northern Michigan University by operating engineer John Shawn of Local 324. The sprinkler fitter is Matt Scovronski of Local 669. Renovation of the West Science building is part of the largest construction expenditure - $46.9 million - in the Marquette school's history. This portion of the project is expected to be completed next August. Classes started this fall in the newly constructed Glenn Seaborg Center, which is part of the entire renovated science complex.