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## Lectures 1&2

by: Nathaniel Bautz

108

0

10

# Lectures 1&2 CEE 270

Nathaniel Bautz
UMass
GPA 2.9
System Analysis and Economic Civil Engineering
Bernd Schliemann

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Here are lecture notes for lectures 1 and 2
COURSE
System Analysis and Economic Civil Engineering
PROF.
Bernd Schliemann
TYPE
Class Notes
PAGES
10
WORDS
KARMA
25 ?

## Popular in Civil and Environmental Engineering

This 10 page Class Notes was uploaded by Nathaniel Bautz on Friday January 23, 2015. The Class Notes belongs to CEE 270 at University of Massachusetts taught by Bernd Schliemann in Spring2015. Since its upload, it has received 108 views. For similar materials see System Analysis and Economic Civil Engineering in Civil and Environmental Engineering at University of Massachusetts.

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Date Created: 01/23/15
LECTURE 1 393 Practice Problem 1 gt The state department of transportation has set aside 925 million for darn maintenance costs for the next 15 years Calculate an equivalent annual budget using an interest rate of 8 V FEM a J E phi gm 1 Wins ll HEM Pg r m Em n h a 5 i m lm 1395 wan y mm1m n EMUMme g w quot in gift Haw m pf i m l Mait m quot g 9 Ef gm h m i saga35 nquot I Iw u 455 J 71 a in W l i PL may 313i I 1 W315 mam 393 Problem 2 Conduct Dam Repair lmmn tata mum 111nm aw Fradmrlfs quotl A A EVE E E E FEM 39nm l SE II a 39 u J 39 Enli lmri F Hi quot 39i in L E aimHM 9W 5 1 r T lulu r a w wh quot WI5W p me aumh H ii ii an min ml film mm Hm Hymnal13E 39 5mm E rwmerh quotin mm E ltwm Q h tan ti i h erlsl r 39 tw SanFMS a J nh Eu 5 h EHE39Fl39ii 5 NHL withquot dE mnmn i 1 19 quot withinF Enlarge ENE g le q a P E Llar i lth igji bk39i39ffi ii Emir5 iawb39mgg Elth If 77 J inumfm b tE M r HM agging imam 1 Hawaii g Lumpquot n5 mammal mm M g mw HI L I g rErEi ihr39EhE Livia 3954 Has Mia 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i39Iv i l Harm 5 B I mm a m w 5535 ma a 5 F Matter 1cm 1513 2mm if Putnam mu mmrwim 5 wk mm mm 11 I2 Plkli l li Frg nz q 335 with E39J39ifml 39 r inl39l 12 Hng Ii 3 ureatin 39 lill l39 ll I 13 II39 I11T1mE3939Eli 139i 15m 12mm mean i Vii Mam Emma 1 m urniii 11mm 5112 Lil H mm 5cm Ems i39i mm i 9131 quotIE F315 133 39Jj39gl39l l 1JI39ll 15 39 i1 gt 393 Problem 3 Water Blending gt A city needs to develop new sources of drinking water to supply a total water demand of 70 m3s Three water sources are available Each has different costs associated With pumping and transmission Not enough high quality water is available from one source to supply the city So the city Will have to blend the water sources together to meet the requirement that the hardness level should not exceed 145 gm3 How much water should be pumped from each source to meet the hardness standard at the lowest cost Lsyuurmll Emma Saum 1 lelti water auailae I IIEI 51 41 mgf Ha rd near 253131 E F39E Hill I 45 air13 CIDElli 2 EI l 11 EH13 J J J E m w umw 7 7 7 1 hi151 quot L J P 1 quot I 5 39quot ENE a I 5 2g W5 553 1 EH 1 r u L 3 5 7 iii h 1iun1133915 11 am 1539 r I39HJ iijw lgj w i 395 Mm IL igpihim ij i1 aa mmm gghhwm 1 1 aw g Hit Flaw a t E It I 7155 Lig n g r5 pm I 1 H M 551 lh m iihiL quotD39 a I n15 aw ahm V 4 ammqm 39bmn Emu39mm Emma 41 mmpan WHEN ash w maw 343 m irixm a athme m 39 p aura 39mh f bw M Emu1 EhEhMhi E gm m hu ip h h 39ug r1515 I5 39aquoth ri quotllv L mawn 39e l hl hm x am ME timer tatLat j 1 i wrists a M5 f 7quot in r 5i iii 47 3 hi 1 1 i i quot 39 H Ma agm 1 high 75713 2 3 393 Organizing the Problem gt We seek disciplined organized systematic approaches gt One approach I Decision variables pieces of the solution that will vary 0 Length width or runway I Objective function the goal 0 Minimize cost of a new airport runway I Constraints limits on our solution 0 Runway must be big enough for 747s I Parameters other information needed to solve the problem 0 Cost of concrete labor availability of land noise pollution 393 What is a System 0 90 gt A civil engineering system may be defined as a set of physical infrastructure and operating rules aimed at providing services to society such as provision of shelter transportation water supply and distribution and waste treatment 62 Attributes of a System VVVVVVV Physical structure Rules or procedures for operating the system System boundaries Environment or surroundings Goals or objectives Condition or performance Performance measures standards and criteria Systems Analysis gt gt gt gt The use of mathematical descriptions of problems to help find better solutions Also known as I Operations Research British Operational Research 39 Industrial Engineering I Management Science Formal origins during World War II logistics and combat tactics problems Utility of computers Current applications in engineering finance business military health care and many other fields Other Types of Systems Analysis VVVVVVV Decision analysis Feasibility analysis Priority analysis Costeffectiveness analysis Policy analysis Costbenefit analysis Riskbenefit analysis Taking a Systems Approach gt gt gt We handle complexity by breaking systems into parts and subparts We organize systems in ways that allow solutions This course focuses on the application of systems analysis to civil engineering projects System Analysis Tools VVVVVVV Probability theory Statistics Economics Optimization Modeling amp simulation Graph theory Game theory gt Decision theory 0 Phases of Systems Development Problem Identification Needs Assessment Establishment of Goals System Planning System Design System Construction System Operations Systems MonitoringInspection System Preservations Endoflife Phase 393 Goals amp Objectives gt Values I To maintain high quality of life gt Overall Goals I To enhance wellbeing of residents of a city gt Goals I To improve overall water supply situations in the city gt Objectives I To increase customer satisfaction I To decrease cost of water production I To ensure that most people benefit particularly the most vulnerable gt Measures of Effectiveness I Effectiveness The number of complaints to poor water quality I Efficiency Gallons of water produces per dollar I Equity Fraction of the city to benefit from the newimproved water system 0 Overall Goals gt Effectiveness gt Efficiency gt Equity 393 Measures of Effectiveness gt An objective in measureable terms I Appropriateness I Measurability I Dimensionality I Realistic I Defensible I Monetary MOEs I Nonmonetary MOEs VVVVVVVV LECTURE 2 393 Problem 3 Recap 393 System Analysis 51119 1 Eamrlalia Establish 7 Ennuiiusiume Gans l m quotIlida fy tha f Unmlnmnt emblem mm cnurssuf 7 Frit np t llm El am l 315me and mantra J amalgam an nra Ha autismma AI is if Banalnlarma 39 J l iririii 393 Modeling gt Types Figure 42 p 105 gt Model classification Table 41 p 108 gt Traditional tasks for CE systems analysis pp 111113 393 Impacts gt Technical gt Environmental gt Economic efficiency amp development gt Legal

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