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After the Sale. Design for Supportability (Serviceability). The Roadmap. Definition and explanation of logistics and supportability The elements of logistics and system support Supply chain factors Transportation and packaging factors Warehousing and distribution factors.

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After the Sale

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After the sale

After the Sale

Design for Supportability (Serviceability)

Supportability & Serviceability


The roadmap

The Roadmap

  • Definition and explanation of logistics and supportability

  • The elements of logistics and system support

  • Supply chain factors

  • Transportation and packaging factors

  • Warehousing and distribution factors

Supportability & Serviceability


Definition of supportability

Definition of Supportability

  • Definition: Supportability refers to the inherent characteristics of design and installation that enable the effective and efficient maintenance and support of the system throughout the life cycle.

Supportability & Serviceability


Definition of supportability continued

Definition of SupportabilityContinued…

  • Objective:To address not only the incorporation of reliability and maintainability characteristics in the design of the prime elements, but the design of the support infrastructure that is responsive to the demands of the prime elements.

Supportability & Serviceability


Overall logistics cycle

Overall Logistics Cycle

  • Definition of Logistics: Iterative approach to the management and technical activities necessary to,

    • Develop support requirements.

    • Acquire the required support.

    • Provide required support at minimum cost.

Supportability & Serviceability


Overall logistics cycle continued

Overall Logistics CycleContinued…

  • First segment of overall logistics:includes the procurement, distribution, transportation, warehousing, and ultimate delivery to the customer.

  • Second segment of overall logistics: when system fails and items needs to be returned for intermediate-level and depot level.

Supportability & Serviceability


Elements of support

Elements of Support

Maintenance

personnel

Maintenance

planning

Support

equipment

Training &

Training support

Supply

support

Integrated

logistics

support

Maintenance

facilities

Technical data

Information systems,

& Database structures.

Packaging, handling

storage,& transportation

Design Interface

Computer

resources

Supportability & Serviceability


Elements of support continued

Elements of Support Continued…

  • Maintenance personnel: Installation, checkout, and sustaining support and maintenance.

  • Training and training support : For system operator and maintenance personnel for Life cycle.

  • Supply Support: Spares, repairable, non-repairable, consumables, special supplies etc.

Supportability & Serviceability


Elements of support continued1

Elements of SupportContinued…

  • Support Equipment: Tools, condition monitoring, diagnostic, checkout, special test, calibration equipments etc.

  • Computer Resources: Software necessary to support scheduled and unscheduled maintenance.

  • Packaging, handling, storage, and transportation: Special provisions, containers and supplies necessary.

Supportability & Serviceability


Elements of support continued2

Elements of SupportContinued…

  • Maintenance Facilities : Includes facilities to support all the scheduled and unscheduled maintenance actions at all the levels.

  • Technical data, information systems, database structure: Includes system installations, checkout procedure, operating and maintenance instructions, modification instructions etc.

Supportability & Serviceability


Measure of supportability

Measure of Supportability

Supply Chain Factors are

  • Capability: The ability to accomplish all of the functions required.

  • Availability: The ability to respond to any, or all, of the requirements at any point in time when needed.

  • Quality: The process responsiveness in terms of stated customer objectives.

Supportability & Serviceability


Transportation measures

Transportation Measures

Factors for evaluating the effectiveness of transportation are

  • Transportation routes

  • Transportation capacity or capability

  • Transportation time

  • Transportation cost

Supportability & Serviceability


Transportation measures continued

Transportation MeasuresContinued…

Figure 15.5 The various forms of transportation.

Rail

transportation

Rail-truck (piggyback)

Trailer-on-flatcar

Container-on-flatcar

Highway

transportation

Truck-water (fishyback)

Roll-on/roll-off

Container-on-ship

Water

transportation

Rail-water

Train-on-ship

Container-on-ship

Air

transportation

Air-truck

Truck-on-aircraft

Container-on-aircraft

Pipeline

transportation

Supportability & Serviceability


Packaging measures

Packaging Measures

  • Availability: transportation capability will be available when required.

  • Reliability: it will complete its mission as planned.

  • Time: transport a product from on point to another.

  • Cost: the cost of transportation or per one-way trip.

Supportability & Serviceability


Packaging measures continued

Packaging MeasuresContinued…

  • Maintainability: applicable transportation capability can be required within specified time and resources in the event of a failure.

  • Life-cycle cost (LCC): the cost of a given transportation capability for a designated period of time.

Supportability & Serviceability


Warehousing and distribution measure

Warehousing and Distribution Measure

The basic functions of warehousing are

  • Movement

  • Storage

  • Information transfer

Supportability & Serviceability


Warehousing and distribution measure continued

Warehousing and Distribution Measure Continued…

The movement function:

  • Receiving: the unloading of goods and products from an inbound carrier.

  • Transfer: the physical movement of products into the warehouse for storage.

  • Order picking: the selection of products from storage in response to customer orders.

Supportability & Serviceability


Warehousing and distribution measure continued1

Warehousing and Distribution Measure Continued…

  • Cross-docking: the movement of products directly from the inbound receiving dock to the outbound shipping dock.

  • Shipping: the packing, loading on an outbound carrier, and shipment of products to the desired customer destinations.

Supportability & Serviceability


Types of warehouses

Types of Warehouses

  • Private & Public warehouses

  • General merchandise warehouses

  • Commodity warehouses

  • Bulk-storage warehouses

  • Bonded warehouses

  • Temperature-controlled warehouses

  • Houshold goods warehouses

Supportability & Serviceability


The metrics in warehousing

The metrics in Warehousing

  • Time that it takes to ship a product

  • Cost of product shipment – from storage to customer

  • Cost of storage

  • Percentage of space utilization

  • Volume of product handled

Supportability & Serviceability


Spares repair parts and related inventory factors

Spares, repair parts and related inventory factors

  • The inventories associated should be able to supply spare parts for unscheduled as well as scheduled maintenance actions

  • The required inventory of spares depends

    on system maintenance concept and specific type and quantities are identified for each level of maintenance

Supportability & Serviceability


Factors affecting quantity of spares

Factors affecting quantity of spares

  • Spare and repair parts covering actual item replacements occurring as a result of corrective & preventive maintenance

  • Additional stock level of spares to compensate for repairable items in the process of undergoing maintenance

Supportability & Serviceability


Factors affecting quantity of spares continued

Factors affecting quantity of sparescontinued……..

  • Additional stock level of spares to compensate for the procurement lead times for item acquisition

  • Additional Stock level of spares to compensate for the condemnation of scrap age or repairable items

Supportability & Serviceability


Inventory system considerations

Inventory system considerations

  • Too much inventory to meet all demands leads to increased cost of maintaining the inventory

  • Lack of appropriate inventory will lead to stock depletion and the system not being operational leading to higher costs

  • Optimum balance between inventory on hand, procurement frequency and procurement quantity is needed

Supportability & Serviceability


General deterministic inventory system geometry

Procurement

lead time

Reorder cycle

Peak

Inventory

Consumption

Consumption

Receipts, Q

Receipts, Q

Operating level

Quantity of items in stock

Order Point

Order Point

Safety

stock

Zero stock

Periods of time, days

General deterministic inventory system geometry

Supportability & Serviceability


Economic order quantity eoq see pages 257 263

Economic Order Quantity (EOQ) See Pages 257-263

  • Q* is called EOQ

Supportability & Serviceability


Design review and evaluation

Design review and evaluation

Design reviews are done to ensure

  • Prime-mission related elements are designed to be supportable in an effective and efficient manner

  • Design of logistics and maintenance support infrastructure adequately responds in fulfilling all system requirements

Supportability & Serviceability


Design review and evaluation continued

Design review and evaluationcontinued…….

3. If requirements are met, the design is approved and the program enters into the next phase

  • If requirements are not met ,the appropriate changes are

    initiated for corrective action

Supportability & Serviceability


Supportability

Supportability & Serviceability


Supportability

Fig. 15.10

Supportability & Serviceability


Supportability analysis

Supportability Analysis

  • The supportability analysis (SA) constitutes the integration and application of different analytical techniques/methods to solve a wide variety of problems.

  • SA is the process employed on an iterative basis throughout system design and development that addresses the issue of supportability

Supportability & Serviceability


Supportability analysis continued

Supportability Analysiscontinued…..

  • SA aids in the evaluation of prime equipment design characteristics in terms of logistic support requirements.

  • SA aids in the evaluation of alternative repair policies allowable within the constraints dictated by the maintenance concept.

Supportability & Serviceability


Objectives of sa

Objectives of SA

  • Initially influence the design of a given system

  • Aid in the identification of the logistics and maintenance support resources based on the assumed design configuration at the time

  • Aid in the initial establishment of supportability requirements during conceptual design

  • Aid in the early establishment of supportability design criteria

Supportability & Serviceability


Objectives of sa continued

Objectives of SAcontinued….

  • Aid in the process of synthesis, analysis, and design optimization through accomplishment of trade off studies and evaluation of various design alternatives

  • Aid in the evaluation of a given design configuration relative to the determining specific logistics and maintenance support resource requirements

  • Aid in the measurement and evaluation or assessment of an operating system

Supportability & Serviceability


Supportability

Supportability & Serviceability


Supportability

CALS

  • Continuous Acquisition and Life cycle Support

  • CALS pertains to the application of computerized technology in the development and processing of data primarily in a digital format, with the objectives of

    • reducing preparation and processing times, eliminating redundancies,

    • shortening the system acquisition process, and

    • reducing the overall program costs

Supportability & Serviceability


Objective to develop integrated system database

Objective to develop integrated system database

  • Serve as a repository for all logistics and related data evolving from the supportability analysis

  • Provide the necessary information at the right time and in the proper format in response to the reporting requirements for specific programs

Supportability & Serviceability


Summary

Summary

  • In order to provide logistics and maintenance support infrastructure that can effectively and efficiently support the applicable system throughout the life cycle,

  • The functions and activities related to supportability should be addressed from a total integrated overall systems perspective

Supportability & Serviceability


Summary continued

Summarycontinued…..

  • The logistics and maintenance infrastructure be considered as a significant element of the system in question

  • The infrastructure be addressed with the system engineering design process from the conceptual design phase.

Supportability & Serviceability


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