MANILA (UPI) - Torrential rains in the aftermath of Typhoon Olga collapsed a major flood control dike Tuesdav, sending floodwaters to roof level. Authorities ordered the evacuation of more than 80,000 persons.Official reports put the death toll caused by flood and high winds generated by Typhoon Olga at at least 66 while the number of persons in need of relief totaled 115,588 families or 602,000 persons.President Ferdinand E. Marcos held an emergency meetingTuesday night with his cabinet and officials involved in the disaster relief operations. He was informed that more rains are expected in the next 48 hours and floods will last five more days in the severely damaged areas of central Luzon. Marcos estimated the final typhoondamage would total $70 million. Earlier, Marcos proclaimed astate of calamity throughout the main Philippine island of Luzon, including the metropolitan Manila area, because of thedevastation caused by the typhoon.mm wmi nrAccording to official figures, 66 towns and four cities in central Luzon were flooded. 14 bridges were washed away, and initial estimates in damage to public works alone totaled 82.6 million.The Arnodo dike, a major river and fiood-control project 60 miles north of Manila, collapsed in some sections, sending floodwaters rising up to theDr. Theodore Lewis, rabbi of Touro Synagogue, tells the stories of the old temple in Newport, R.I.rools and marooning thousands.The two principal tributaries ni central Luzon, the Agno and Pampanga rivers, also overflowed. causing further flooding.Typhoon Olga was last reported 300 miles northwest of Manila in the south China Sea. moving northwest with 70 miles per hour top winds.Typhoon Pamela, which devastated Guam late last week, missed the Philippines and veered toward southern Japan with its force diminishing.