Page 35 - Subyek Teknik Mesin - Forsthoffers Best Practice Handbook for Rotating Machinery by William E Forsthoffer
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Project Best Practices    Be st Practice 1.5


               Best Practice 1.5

               Use proven specification formats for minimum vendor/   Failure to provide a minimum amount of effective specifications,
               contractor/end user review time.                    detailed data sheets and accepted project best practices will result in
                  Minimize the amount of specifications and use established industry  the following issues:
               specifications (API, ANSI, etc.).                      Exceeding scheduled time for bid review and vendor
                  Use industry data sheets that are completed to contain all details of  recommendations
               scope of supply.                                      Unequal technical content in vendor bids
                  Do not leave details up to the vendor if a ‘lesson learned’ has shown    Specification interpretation error
               that certain design details are required (e.g. provide a P&ID of the dry    Excessive amount of exceptions to specifications, data sheets and
               gas seal based on plant lessons learned that will be required to be  best practices
               supplied without exception).
                  Attach a best practice list applicable specifically to this project.  Benchmarks
                  Note in the ITB (Invitation to Bid) that strict compliance with all re-  This best practice has been used, especially for critical (un-spared)
               quirements is mandatory.                            equipment, since 1995 when specifications had grown to enormous
                                                                   sizes and extended project schedules by months! It has been in-
               Lessons Learned                                     corporated globally in all upstream and downstream projects since
               Excessive specifications, incomplete data sheets and lack  1995 by Forsthoffer Associates.
               of specific best practice requirements extend the project  Using this ‘streamlined’ approach has reduced the typical ma-
               schedule and reduce safety, reliability and plant revenue.  chinery procurement cycle time by 4 weeks or more.



                                                                   that are beginning to build new facilities, and have the flexi-
              B.P. 1.5. Supporting Material
                                                                   bility to decide on their own specification format. Considering
              At this point, all the information required for preparing the project  that their budget for specification preparation is limited, but
              specifications should be available. The challenge will now be to  they clearly recognize the importance of a sound specification
              format these specifications such as to ensure complete compliance  based on industry standards and global best practices, they
              by all quoting parties, and to minimize the schedule time. The  have generally adopted a strategy similar to that shown in
              selected format of the specifications will significantly affect the  Figure 1.5.2.
              project schedule, in terms of preparation time, vendor response
              time and contractor/end user/vendor time to review specification
              exceptions for approval. The effects of the specification format on
              reliability and project schedule are shown in Figure 1.5.1.  Use an established industry specifications (e.g., API or ANSI)
                                                                      Include industry data sheets that are completed to outline all
                                                                      details of scope of supply and company lessons learned
                                                                      Attach a best practice list applicable for the specific project only
               The selected specification format can produce the following effects  Use a global consultant firm to review and comment
               on equipment reliability and project schedule:         Note in the cover letter to the specification package that strict
                  Interpretation error – due to complexity of specs = reliability risk  compliance with all requirements is mandatory – options are not
                  and delay                                           acceptable
                  Additional preparation time – for contractor
                  Additional review time – for vendors
                  Additional meeting and/or document exchange time for  Fig 1.5.2   The streamlined specification strategy
                  contractor/end user review of vendor exceptions to
                  specifications
                                                                     The approach noted in Figure 1.5.2 will only be possible if
                                                                   the credibility of the specialist with project management has
              Fig 1.5.1   Specification format effects              been secured and maintained. If there is a reluctance to
                                                                   depart from the established specification format, a recom-
                Let’s face it; specifications have become very complex and  mendation would be to contact other associates who you have
              extensive. It is my experience that this is because most end users  met at industry conferences, or search the web for consultants
              send specification drafts out to their plants and affiliates for  who have experience in this regard and can support your
              review prior to publication, and the result is that every partici-  effort. Believe me, there are many benefits to this approach
              pant has to contribute or it does not look good! The end product  for all parties (vendors, contractors and end users). Benefits to
              is a thick specification. Are specifications of this type really  the  streamlined  specification  approach  are  shown  in
              necessary? Another consideration regarding complex specifica-  Figure 1.5.3.
              tions is that the experience level in all phases of the industry is  The  streamlined  specification  approach  shown  in
              decreasing and the time required and accuracy of specification  Figure 1.5.3 is really a win for all participants, but for larger,
              reviews is being affected.                           established companies, it definitely is a culture change and will
                Is there a viable alternative? Over the last 15 years, I have  have its price in terms of learning curve and initial expended
              been involved with a number of medium to small companies  revenue.

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