2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/33913We present a streamlined calculation of the Kretschmann scalar for 5D Vacua considered recently by Fukui et al. (gr-qc/0105112).2 pages. Further information at http://grtensor.phy.queensu.ca/fived/General Relativity and Quantum Cosmologytext