Coal Mining

Coal Mining

SAP Best Practices

© 2012 SAP AG. All rights reserved. ‹#›

Purpose, Benefits

Purpose • This scenario describes the complete process from mine to stockpile as an example. It

could be also used to describe the process from a quarry to stockpile in the building material industries. The scenario includes crushing of the rock and moving to a stockpile.

Benefits • PI (Process Instruction) sheets are used to manually record production achievement.

The PI sheet provides a user friendly interface that allows production operators to enter data in a customized manner.

• A production batch is created for the process order, which allows quality characteristics (assays) to be recorded in the system. This batch represents the quantity and quality of the crushed coal produced for the time period specified by the process order. The batch characteristics for the stockpile batch are then adjusted based on a weighted average calculation of contributing batches of coal.

• PM measurement point is integrated, truck related KPI is stored in the created measurement documents.


Required SAP Applications and Company Roles

Required SAP Applications • SAP enhancement package 6 for SAP ERP 6.0

Company Roles• Production Planner • Shop Floor Specialist • Equipment Operation Manager • Warehouse Manager

Key Process Steps• Create a Process Order for Hauling (crushing) Coal• Control Recipe Monitor• Maintain Production Data Using PI Sheet• Process the Entered Production Data


Detailed Process Description

Loading and Hauling in the Mine

•In the first step of this scenario coal is extracted and hauled to the crusher. Actual operating details (hours, tonnes, fuel used) for each haul truck are entered into the PI sheet. These are then posted in background to update the logistics, financial, and plant maintenance information in SAP ERP. ROM Coal produced will be used as feed-stock for the crushing process. Truck details are passed to Plant Maintenance and can be used to schedule and manage future maintenance activities.


Detailed Process Description

Crushing Coal

•A second process order represents the crushing process. ROM coal feed-stock is passed through a crusher to create crushed coal. Again a PI sheet is used to record the production data. For the crushing operation a production batch is created for the process order. This allows quality characteristics (assays) to be recorded in the system. This batch represents the quantity and quality of the crushed coal produced for the time period specified by the process order.

•In the PI sheet for crushing the operator selects the stockpile (or stockpiles) onto which that day’s production is transferred. A batch to batch movement is carried out to move the production batch quantity from the process order onto the stockpile batch. The batch characteristics for the stockpile batch are then adjusted based on a weighted average calculation of contributing batches of coal.


Process Flow DiagramCoal Mining (Mining Operations)

Eve

nt Loading

and Hauling in the Mine

4.1.1Create Process

Order for Hauling Coal

Pro

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ctio

n

Pla

nn

er

Pro

du

ctio

n

Wo

rke

rG

ene

ric

EA

M

Fu

nc

tio

ns

Qu

ali

ty

Ma

na

ger

4.1.2Create

Production Data Entry Sheet

4.1.3Display

Measurement Document

4.1.4Entering

Production Data using PI Sheet

4.1.5Processing

Entered Production Data

4.1.7Displaying

Process Order Confirmation

(Optional)

4.1.6Displaying the Process Order

for Hauling Coal

4.1.8Displaying

Measurement Document

4.1.9Changing Batch

(Optional)

Contd. To Page 2


Process Flow DiagramCoal Mining (Crushing Operations)

Eve

nt

Crushing Coal

4.2.1Create Process

Order for Crushing Coal

Pro

du

ctio

n

Pla

nn

er

Pro

du

ctio

n

Wo

rke

rQ

ua

lity

M

an

ag

er

4.2.2Creating

Production Data Entry Sheet

4.2.3Entering

Production Data for Crushing

Coal

4.2.4Processing

Entered Production Data

4.2.6Displaying

Process Order Confirmation

(Optional)

4.2.5Displaying

Process Order for Crushing

Coal

4.2.8Changing Batch

(Optional)

Contd. From Page 1

4.2.7Displaying

Material Document for

Material


Legend

Symbol Description Usage Comments

To next / From last Diagram: Leads to the next / previous page of the Diagram

Flow chart continues on the next / previous page

Hardcopy / Document: Identifies a printed document, report, or form

Does not correspond to a task step in a document; instead, it is used to reflect a document generated by a task step; this shape does not have any outgoing flow lines

Financial Actuals: Indicates a financial posting document


Budget Planning: Indicates a budget planning document


Manual Process: Covers a task that is manually done

Does not generally correspond to a task step in a document; instead, it is used to reflect a task that is manually performed, such as unloading a truck in the warehouse, which affects the process flow.

Existing Version / Data: This block covers data that feeds in from an external process

Does not generally correspond to a task step in a document; instead, this shape reflects data coming from an external source; this step does not have any incoming flow lines

System Pass / Fail Decision: This block covers an automatic decision made by the software

Does not generally correspond to a task step in the document; instead it is used to reflect an automatic decision by the system that is made after a step has been executed.

Ext

erna

l to

SA

P

Business Activity / Event

Unit Process

Process Reference

Sub-Process

Reference

Process Decision

Diagram Connection

Hardcopy / Document

Financial Actuals

Budget Planning

Manual Process

Existing Version /

Data

System Pass/Fail Decision

Symbol Description Usage Comments

Band: Identifies a user role, such as Accounts Payable Clerk or Sales Representative. This band can also identify an organization unit or group, rather than a specific role.

The other process flow symbols in this table go into these rows. You have as many rows as required to cover all of the roles in the scenario.

Role band contains tasks common to that role.

External Events: Contains events that start or end the scenario, or influence the course of events in the scenario.

Flow line (solid): Line indicates the normal sequence of steps and direction of flow in the scenario.Flow line (dashed): Line indicates flow to infrequently-used or conditional tasks in a scenario. Line can also lead to documents involved in the process flow.

Connects two tasks in a scenario process or a non-step event

Business Activity / Event: Identifies an action that either leads into or out of the scenario, or an outside Process that happens during the scenario

Does not correspond to a task step in the document

Unit Process: Identifies a task that is covered in a step-by-step manner in the scenario

Corresponds to a task step in the document

Process Reference: If the scenario references another scenario in total, put the scenario number and name here.


Sub-Process Reference: If the scenario references another scenario in part, put the scenario number, name, and the step numbers from that scenario here


Process Decision: Identifies a decision / branching point, signifying a choice to be made by the end user. Lines represent different choices emerging from different parts of the diamond.

Does not usually correspond to a task step in the document; Reflects a choice to be made after step execution

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Coal Mining

Documents

Transcript of Coal Mining