Presented by: Steve Lever & Benjamin Williams Date: 4th March 2015

SCHEDULING MASTERCLASS

A SCHEDULE IS CALCULATED VIA TWO PASSES

TIPS FOR CALCULATING SCHEDULES

WHAT THE RESOURCE LEVELER DOES

STEP 2: FINDING CONFLICTS

TIPS FOR FINDING CONFLICTS

STEP 3: EVALUATING CONFLICTS - RESOURCES

STEP 3: EVALUATING CONFLICTS - CONSTRAINTS

TIPS FOR FINDING CONFLICTS

TIPS FOR FINDING CONFLICTS

STEP 4: CUT DOWN SCHEDULE CALCULATION

LPA SCHEDULE SIZES ARE GROWING

LPA – SOME SIMPLE MATH

LPA – DIVIDE AND CONQUER

LPA – IMPROVED LEVELING TIMES

WHY ARE LPA RESULTS DIFFERENT?

WHEN PRIORITIES AREN’T ENOUGH

Sometimes you will have a requirement that can’t really be satisfied by priorities or constraints:

- I must have my draglines fully utilized.

- I don’t care how many excavators it takes – I need to hit my targets.

- I need to keep my stopes progressing in a fixed sequence for backfill.

WHEN PRIORITIES AREN’T ENOUGH

TIME EATERS

TIME EATERS

FIND THE SOURCE OF THE PROBLEM

GENERAL TRICKS FOR FAULT FINDING

GENERAL TRICKS FOR FAULT FINDING