G C R Design phone 60 Homer St Dianella, Western Australia 6059 map Ofri Engineering Pty Ltd phone 6 Cossington Crt Dianella, Western Australia 6059 map if (!IN_DEV) { ?> } ?> Steve Naumovski Consulting Engineer (APEA) phone 42 Booker St Dianella, Western Australia 6059 map