ithnithmi@BookC_StringPrint_SetupTPrintStartupSound_TabLISTBook_PrefsAct List Scene Drawing_Model Draw_Specs diagram_struct_arrayDependentsScriptPad_ListManuscriptPlayPlay_PrefsModelSubscript_Set_ListSubscript_SetArraySimulation_ModelRun_Specsentity_struct_arrayentity_structint16_arraydouble_arraytoken_type_arraytoken_type run_handle_array!Draw_Index"Module_Name#Poster_Info$queue%Units&diagram_struct'Point_array(movie_attach)Picture_Tab*Picture_Data+Picture,AliasRecord-Pathname.Pad/Button_Type0Condition1Play_Where2Movie_Tab3Model_Index4Model_Index_array5graph_type6curve_type_array7curve_type8Model_Template9Panel:Sector_Specs;SET<Sense_Setup=select_struct_array>allow_struct_array?Picture_array@sense_select_arrayASection_ListBFont_MapCFont_Map_Record_ArrayDFont_Map_RecordEWindow_ListFModel_WindowGPad_WindowHTImportExportI@@\rVdntr}xxHH3<>HUHH3<d'7 4d* ,,H         JJ!  drmd   2T1@@0H6D`R PP??@!2  "V(n( `|jx "ʁ(1 Dim_Name_1 Ijj@i?TimedF2s@@??@@@@@@???:3Ād!@@?@@Work_to_be_Done1000  !" #$%&c @$@$??@$@$@$@$@$@$???!@$?@$Nominal_Production10 !" #$%&l @< @6??@Y~@6?!?333333?Quality_Check0  !" #$%&f  @=<:3Ād??@3Y~:/@=<:3Ād:7K*+@$???!@$@$ doing_workeffective_rate_of_working !" #$%&c(@Y@Y??@Y@Y@Y@Y@Y@Y???!@Y?@Yinitial_duration)INIT(Work_to_be_Done)/Nominal_Production  !    !" #$%&c@Y???@Y?@Y??@Y???!@Y?@YTime_Remainingmax(initial_duration-time,1)      !" #$%&cM @Y?8U??@Y?Nݭ@Y?8U?UUUUUU@Y???!@Y?@YForecast_time_to_completeNif doing_work>0 then ( Work_to_be_Done+Undiscovered_Rework)/doing_work else 0 4            !" #$%&c(@+? ?8U@ ?@ @+? ?8U?UUUUUU????!???schedule_Pressure)Forecast_time_to_complete/Time_Remaining     !" #$%&s@R;??@R;@R;@R;???!?Work_Completed0  !" #$%&m@9D@??@0@9D@:8/7Jp????!? ?accepting_work0.25   ? !" #$%&k @m%L??@m%L@m%L:0!???! inc_defective rework_%/100     d  !" #$%&s!@[T J??@[T J@[T J:)mqX???:)mqX!? Undiscovered_Rework0    !" #$%&f ) @ 1pd $??@ 1pd $@ 1pd $:/\:???!  discovery*Undiscovered_Rework/Rework_Discovery_time       !" #$%&!c)"@R@.??@R@.@R@.@.@.???!@.? @. rework_%*if time > 20 and time <50 then 75 else 15 <     2     K   !" #$%&c @I$@9???@9?@9??@9???!@9?@9Rework_Discovery_timetime hh@$@4@>@D@I@N@Q@T@V@Y@[@^@9@8@6@5@1@+@"@@@???  !" #$%&f *@$7'??@$7'@$7':\:???!add_new_tasks discovery*add_new_task_strength      !" #$%&%c++?????????????!???add_new_task_strength,if time <50 and time >20 then 1.25 else 0.5L  2        : ?   # ? !It is likely that doing rework will generate extra work to be done. This is especially true where the defective work is discovered late in the project and may have been cover by subsequent structure or trades" #$%&c.;0?9 1u???::2`㻾a?9 1u9 1u????!???/Project_Backlog_as_a_fraction_of_initial_scope<(Undiscovered_Rework+Work_to_be_Done)/init(Work_to_be_Done)      !   !" #$%&c93?9Ad???:M'#S]?9Ad9Ad????!???Project_Backlog_T_minus_1:DELAY(Project_Backlog_as_a_fraction_of_initial_scope,1,1)      !" #$%&c  @m????[?@m??????!???!impact_of_overtime_on_productionactual_working_hrs_factor !" #$%&c32@=<@$??@3Y~@$@=<@$@$@$???!@$?@$effective_rate_of_working4Nominal_Production*impact_of_overtime_on_production     !" #$%&c, @8@???@?@??????!???-impact_of_schedule_pressure_on_working_hoursschedule_PressureX???@@@@ @@@X?????333333??zG@zG@zG@@ !" #$%&s:@m????[?@m??????<!???actual_working_hrs_factor1 !" #$%&b W<?ȃ= mS@???0l7 ?ȃ= mS@???! delta_factorX(impact_of_schedule_pressure_on_working_hours-actual_working_hrs_factor)/time_to_adjust      !" #$%&c?@@??@@@@@@???!@?@time_to_adjust2 !" #$%&  !  drmd E lgBB!  @B'aN0%@0%TI (\Q()*VrLww(8rLHrLD+"," " ??"`` ""<E<EE?-./0bb,n n3 123Run4#5 " # C'N1@1U)]()*Ժ wj<<jQr  <E+"," " ??"`` ""!'--*$*--'!*TW?HWT-./0n n3 123Restore/Reset4#5 " # C'N0M@0MTq (E\y()*rLww(8rLHrLD+"L,LL" " ??"`` ""]ZHQZE-./00n n3 123Pause4#5 " # C'N0u@0uT(m\()*V w^i<<i~  <E+"d," " ??"`` ""<HBBB<-./0n n3 123Stop4#5 " # C' t; @; l 3t()*Proj Mgt V104 Oct 2008/5 C'N9D9RP 1ZX()*/0A  n& n 12.@" #3 Exit System4#5 " # C'NEDEf; =nC()*/0AZ9. n 123Release Notes:V1.01 Base model. with Schedule Pressure V1.02 Rework cycle added Refer NAval Ship mProduction: A claim settled and a Framework Built Kenneth G Cooper Interfaces Vol 10 No 6, Dec 1980. Time to discover rework decreases over time in accordance with work by Lyneis, Cooper & Els : Strategic management of complex projects: a case study using system dynamics. System Dynamics Review Vol 17 No. 3, Fall 2001 V1.03 The concepts of tipping point and rework adding extra work are added as developed by Taylor & Ford in "Tipping point failure and robustness in single development projects" System Dynamics Review Vol 22 No 1, Spring 2006. The project suffers from a bad patch between weeks 20 and 50 V1.04 Schedule Pressure drives use of overtime. Whne the overtime factor gets above 1.5 we have to assume that extra staff are hired4#5 " # C' t@=$E()*Project Management/5 C' sC@V()*/5 C' c@ 9 4()*/5 C' lK@ '^()*/5 C' fCW@ %mV7(CC)*(VVf/5 C' c&PU@  F15A()*/5 C' c @ ()*/5 C' sH@$[.()*/5 C' cN @9t()*/5 C' DZ@Mqy()* Graph 1/5 C' a E@J()*/5 C' a7F@<K()*/5 C' c@()*/5 C' aW@R()*/5 C' clX@Q%w(()*/5 C' c @r()*/5 C' aKPi@FnU()*/5 C' aQh%T@mW()*/5 C' cU&@:`9()*/5 C' a L@Q()*/5 C' ajaW@A\o()*/5 C' tM"@M"GE()*GSchedule Pressure drives use of overtime to bring project back on time/5 C' sF@"kY()*/5 C' mH6 @*rJ(HHy)*(JuJ/5 C' k @Gr:#( \)*( Z\\/5 C' f @ ?`%&-( ST)*( V/5 C' si @!:&'()*/5 C' c* @" F#()*/5 C' a!"Z=@#& ()*/5 C' cG-@$=#V%()*/5 C' a>.$ !@%C3()*/5 C' aA! j@& Y()*/5 C' s!@'H(/()*/5 C' a'Pp@([U()*/5 C' d%*@).()*/5 C' fz@*? z),-( -T)*( -H/5 C' c-L@+#I{,()*/5 C' a&Q+*u@,L+z()*/5 C' a *\h@-~()*/5 C' aT0b@.O]()*/5 C' a'0c@/^()*/5 C' cZ@0)./1()*/5 C' aQ03 @1xV()*/5 C' c L@2W467()*/5 C' c@3e91()*/5 C' a 2d4@4W()*/5 C' c @5d6()*/5 C' aR52@6L()*/5 C' a,/2 39-@7 L>c()*/5 C' cm@8b~9=()*/5 C' a{8N+@9Hj()*/5 C' sg@:2>A()*/5 C' d<@;()*/5 C' b @<^';=>@(Q)*(Q/5 C' a8<: @=p(()*/5 C' aA:<O!@>#U()*/5 C' c@?@()*/5 C' a#?<A=@@()*/5 C' a: L@AG!`()*/5 Cdrmd=< /66;Umntxj6 6bb!,QQ@i@i/Project Progress7(8J|?p =q@4#8|?p =q@4#8|@94#8| ?p =q4 #6J P@i@i/Tipping point78|???4#8|?@??4#" C#9-. 76 5( n z      !  drmd T :   : !  drmd       !  drmd   ;?@A BCDEArialEArialEArialBF G )pG)xH  /I&xEmI