The police chiefs who retired are not contributing to a second pension.
Click where it says "search by job title."
You can see who passed the civil service exam for police chief on the Onondaga County Personnel Office's Web site: http://www.ongov.net/employment/ranking.html
Overtime is included for most public employees. There is a limit in the most recent tier (5)....overtime pay that is higher than 15 percent of regular annual wages doesn't count for those employees.
Here is a link to the Web site that explains to retirees how to calculate their final average salaries:
http://www.osc.state.ny.us/retire/members/final_average_salary.htm
About 300,000 pension checks go to people who still live in NY. About 33,000 in Florida. 58 people took their NYS pension and moved to Alaska. See page 25 of the pension fund's most recent annual report.
http://www.osc.state.ny.us/retire/word_and_pdf_documents/publications/cafr/cafr_11.pdf