This document outlines the procedures for calculating different types of pensions under a pension scheme. It describes how to calculate past service pension based on service prior to 1995, pensionable service pension based on a formula, and total aggregate pension. It also provides steps for calculating widow pension as 50% of member pension or a minimum amount, as well as children and orphan pensions as a percentage of the widow pension. Withdrawal benefits are calculated separately for past and pensionable service using wage and service factors from provided tables.