The question is for BPMN Subject for an Assignment

Task 1 [Group] Produce a business report for CEC management detailing the current state of

their core caravan and shed building process, which will include a set of interrelated

process models of the end-to-end process. Specifically, your team is to produce:

A Level 1 model (i.e., a value chain) of the process.

Collaboration diagrams, using BPMN 2.0, that show, using several appropriate

levels of abstraction, how each activity/step in the process is currently conducted.

Each model (besides the value-chain) will capture the three main process

perspectives (i.e., the control flow, data and resource perspectives).

[individual] Each team member must produce at least one collaboration diagram

set.

A description of the modelling conventions adopted for the process models, to

assist readers' understanding.

A description of all assumptions made when developing the report, together with

justifications for the assumptions made. Include references to any standards

and/or frameworks referred to, if any, during the completion of the report.

I am looking for the help for collaboration diagram for the case study below:-

Background

Custom-Built Electric Campervans (CEC) is a company specialising in the construction of small,

electric campervans and accompanying sheds. They build each campervan and structure to

order, entirely on their factory floor, then ship the shed to its final site for installation. CEC

offer 22 different campervan plans, any of which customers are free to modify to meet their

specific requirements.

CEC was established in 2005. Since 2015, they have been experiencing massive growth in

sales, but there has also been a growth in negative customer feedback. The biggest pain

points have been found to be:

There is often an unacceptably lengthy period of time between an initial request for

quote and the delivery of the finished campervan and shed.

Customers often experience difficulty in finding out the current status of their build.

Customers report having to deal with a wide variety of CEC employees during the

process.

Customers feel that there is a lack of responsibility taken for the construction of their

campervan and the building of their shed.

Costs have been steadily increasing, making CEC less competitive in the market.

CEC management are determined to address these problems and have hired your team to

examine their current core process. They have requested a report to be delivered with a

summary of findings of current work practice and performance, and some preliminary

suggestions for potential improvements, by 3 September 2021.

Interviews with key stakeholders have delivered the following process description.

Process Description

A case starts when a request for quote (RFQ) is received. The RFQ will include the choice of

campervan, a list of variations (that is, relocating walls, increasing or decreasing "room" sizes

and shuffling areas, and so on), and a list of the fixtures and fittings (e.g. sinks and tapware,

oven and cooktop, door handles, benchtops, etc.) chosen by the customer. Optionally, a shed

with a charging station for the campervan can be included as well. A customer will complete

and submit an RFQ via a form on the CEC website. A Sales Assistant will occasionally check

the website for submitted RFQs and, if there are any, will print each one (to a PDF) and send

it to the Estimation team for processing. Occasionally, customers will come to the sales office

to have a Sales Assistant help them complete the RFQ. In such cases, the sales assistant uses

the same website form to prepare the RFQ. An additional fee is charged for this service.

An Estimator will receive the RFQ document and begin preparing a quote for the job. A quote

is good for one month from the date it is sent. From the base price of the chosen campervan

design, the Estimator will draw the design, making adjustments from the base design for any

variations, and for fittings & fixtures choices. If the changes to the campervan are large, the

Estimator will send the redrawn design to a mobility engineering firm (external to CEC) to

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check that the plan meets regulatory requirements. If the plan does not meet requirements,

the Estimator will make the necessary changes to the plan and resubmit it to the mobility

engineering firm, until such time the regulatory requirements are met. A similar procedure is

followed for the shed, which, if necessary, is verified by a structural engineering firm, external

to CEC, until it is approved.

Once the design, plan and consequent quote for the job are complete, the Estimator will

return the RFQ, the design, the plan and the quote back to the Sales office. A sales assistant

will then photocopy the RFQ, design, plan and quote, then file the copies. The sales assistant

will then put the original documents, together with other marketing and informational

material, in an envelope for posting to the customer. Once a day, the outgoing mail is

collected by a sales assistant and taken to the local post office for mailing.

When a customer receives the quote, they will respond in one of four ways:

1. Accept the quote by signing it and returning it to the Sales Office, either via the post

or in person. Accepting a quote also requires the payment of a 30% deposit before

work can proceed (see below for more details).

2. Request a variation to the quote by writing the details of the required variations on

the quote and/or designs and/or plans, and returning the document(s) to the Sales

Office, either via the post or in person.

3. Reject the quote by ticking a box on the quote and returning it to the Sales Office,

either via the post or in person.

4. Do nothing (also effectively a rejection of the quote).

In the case of (1), a Sales Assistant will photocopy and file the accepted quote. Then, they will

raise a purchase order (PO) detailing the agreed price, work to be done and other formalities,

using information from the quote, and send it to the customer for a signature. If the customer

does not return the signed PO within one month, the sales assistant will place a cancellation

note on the customer's file, and the case completes at this point. Otherwise, when the signed

PO is received from the customer, the Sales Assistant will send it to the Finance Office to await

the payment of the deposit. If payment of the deposit is not received within two weeks of the

PO acceptance date, a Finance Officer will return the PO to the Sales Office, with a nonpayment

advice attached. A Sales Assistant will place the non-payment advice on file, and the

case completes at this point. Otherwise, when payment is received from the customer, the

payment is processed by a Finance Officer, who will then produce a receipt in triplicate: one

copy is sent to the customer via mail, one copy is attached to the accepted PO and returned

to the Sales Office, and one copy is placed on file in the Finance Office. On receiving their copy

of the receipt, a Sales Assistant will place it on the customer's file.

In the case of (2), the Sales Assistant will send the requested changes to the Estimators for

updating. An Estimator will make the necessary changes to the design and/or plan and quote,

consult the external mobility and structural engineering firms if required until approval, then

return the updated quote and plan documents to the Sales Assistant. The Sales Assistant will

file copies of the documents and return the original documents to the customer in the same

way as the original quote. The customer will then proceed in one of the four ways mentioned

above. A customer may request a variation to a quote any number of times.

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In the case of (3), a Sales Assistant will place the rejected quote on file. The case completes

at this point.

In the case of (4), if nothing is heard back from the customer after a period of one month after

the quote, design and plan have been sent, a Sales Assistant will place the "cancellation due

to inaction" note on file. The case completes at this point.

When a Sales Assistant receives notice from the Finance Office that a deposit payment has

been processed for a PO (from outcome 1 above), the Sales Assistant will, if necessary, send

the plans to the state Department of Main Roads and Transport to check that the planned

campervan is roadworthy. There may be several cycles between the Sales Assistant and the

Department until approval is granted. Similarly, the shed's plan is verified with the local

building approving authority (e.g. the local council) until approval.

Once the plan is approved by the local authority, the manufacturing of the home will begin

with a Sales Assistant sending the designs and plans associated with the PO to a Production

Manager. Each Production Manager is responsible for the entire build of campervan and (if

applicable) shed from start to finish. A Production Manager will start by creating a work

summary (WS) from the plan. A WS will contain a number of items that each detail an aspect

of the van or shed to be built (e.g. frame, suspension, furniture, walls, electrical, etc), and the

materials required. From each item in the WS, a work order (WO) is produced by the

Production Manager. In other words, one work summary produces multiple work orders. The

WO is the document that allows employees to keep track of the manufacturing of a particular

aspect of the campervan and shed requested by a customer.

Before work can begin, a copy of each WO is sent from the Production Manager to a

Procurement Officer, who checks each required material item listed in the WO. Most of the

required materials are maintained in stock in the CEC warehouse, but occasionally some need

to be sourced from one or multiple suppliers. The Procurement Officer determines whether

the required material is available in stock or if it has to be ordered. If material has to be

ordered, the Procurement Officer consults the Suppliers spreadsheet, selects one or more

suitable suppliers for the particular kind of material needed and sends a request for quote to

each of the selected suppliers. After two weeks, the Procurement Officer selects the best

quote out of the quotes received from the suppliers (if other quotes arrive after this time,

they are discarded), and sends a purchase order to the selected supplier (note: this is a

supplier PO, which is different to the customer PO). After some time, the supplier delivers the

requested materials to the CEC warehouse. Once all materials required to fulfill a work order

are available, the Procurement Officer organises for all of the materials listed on the WO to

be delivered to the bay (a marked-out area on the factory floor) designated to the WO, and

then informs the Production Manager that all materials are available by signing and returning

the WO to the Production Manager.

The Production Manager is responsible for scheduling each stage of the build. At the

appropriate time, a WO is sent by the Production Manager to the relevant Line Supervisor,

who is responsible for managing the team that will produce that item. Once the work detailed

in a WO is complete, a notice is sent to the Quality Assurance team to check the work.

Occasionally, a Quality Inspector finds a defect in the product and reports it to the Production

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Manager. When this happens, the Production Manager must decide whether: (i) the work

should undergo a minor fix; or (ii) the work should be dismantled and rebuilt. This cycle may

continue until the build finally passes quality control. When the work for a WO is complete

and approved, the Line Supervisor informs the Production Manager that the WO has been

completed by signing and returning the WO to the Production Manager. Once all WOs are

complete, the Production Manager will mark the work summary (WS) as finalised. The WS is

then sent to the Sales Office so that the delivery of the campervan and the installation of the

shed can begin.

Once a Sales Assistant has been notified that the build is complete, they will notify the Finance

Office to invoice the customer for payment of the outstanding amount, less 10% (to be paid

after delivery). Once payment has been received, a Finance Officer will notify the Sales Office

of the payment. A Sales Assistant will then raise a deliver & install work order (note: this is a

different work order to a build work order).

The shed is delivered to the customer in one of two ways:

Full installation: If a full installation has been requested by the customer, the work

order is passed to an Installation Supervisor for processing. In much the same way as

a build work order, the Installation Supervisor is responsible for organising teams of

workers to prepare the site with the necessary foundations and footings, electrical

connections, and so on. Once that work is complete, the Installation Supervisor will

notify the Delivery team that the site is ready for the shed to be delivered. The shed

is delivered, then set on the foundations, and all required plumbing and electrical

connections are made. The Installation Supervisor will then contact the local authority

to inspect and approve the electrical charging installation. If the installation is not

approved, the Installation Supervisor will organise the necessary team(s) to rectify the

issue, then have the local authority reinspect the work. This cycle will continue until

approval is granted.

Do-it-yourself (DIY) installation: In this case, the customer has decided to take care

of the organising of all on-site installation requirements. The delivery order is sent

directly from a Sales Assistant to the Delivery team. The customer will contact the

Sales Office when the site is ready for the home to be delivered, at which point a Sales

Assistant will notify the Delivery team to deliver the shed to the customer's homesite.

Once the campervan has been delivered, and the shed installed if requested by the customer,

a delivery receipt is sent to the Sales Office. A Sales Assistant will notify the Finance Office to

invoice the customer for payment of the final outstanding amount. Once the payment has

been received, the Finance Office notifies the Sales Office. A Sales Assistant will then place a

copy of the final receipt on the customer's file, which marks the case as completed

successfully.