ENGINEERING ECONOMY 1(HOW TO DEAL WITH PROBLEMS OF THE METRO RAIL TRANSIT) Insert picture of edsa hereHISTORY Foryearsnow,rapidgrowthofcommutersandvehiclespopulation haveplaguedMetroManila,thecenterofPhilippinesocio-economic andpoliticalactivity.Heavytrafc,pollutionandalltheattendant undesired results are problems that Metro Manila have to contend with daily. caseinpointison!"#,a$%-&ilometerstretchfromMacrthur Highway at 'aloocan 'ity in the north of Metro Manila to (o)as *lvd., Pasay'ity,southofMetroManila.'onsideredoneoftheworld+s highestvolumethoroughfares,!"#isasemi-circularringroadlin& with several radial roads leading to the metropolis+ social, economical andpoliticalcenters.,heavenuecutsacrossthecitiesof'aloocan, -ue.on,Mandaluyong,Ma&ati,andPasayandboundsPasig'ityand the town of #an /uan.BACKGROUND ,heMetro(ail,ransit01M(,-02isthecornerstoneofthe"epartmentof ,ransportation3'ommunication+sintegratedstrategytoalleviatethe chronic trafccongestion e)periencealongthe !"#corridor.,he Metro (ail system is designed to carry in e)cess of $0,444 passengers per hour perdirection,initially,andise)pandabletoaccommodate%5,444 passengers per hour, per direction. M(,'6nancedtheconstructionofthe!"#M(,III,a78.9-&ilometer modernrailsystemtostretchalong!"#+s74.:-metermedianfrom ;orth venue in -ue.on 'ity to ,aft venue, Pasay 'ity.THE CONSTRUCTIONM(,' signed on #eptember 78, 799< an amended turn&eycontractwith#umitomo'orporation= MitsubishiHeavyIndustries,Inc.,whichsub-contracted!!I'orporationforcivilwor&s,and anothercontractwithrailvehiclesupplier'>" "opravni #ystem.,he"epartmentemployedtheservicesof #?#,(,aFrenchconsultancy6rm,withtechnical competence,e)perienceandtrac&recordinthe construction and operation of railway systems.#?#,(+# (@A! "B(I;C ,H! !"# M(,0 P(@/!', IMPA!M!;,,I@;7. "esign supervision$. Interfaces coordination with other agencies0. 'onstruction 3 systems installation supervision%. ,rafc management 3 relocation of utilities implementation:. ,ransportation system commissioning8. Preparation of operation 3 training of operating personnel# ;" CBI"!I?#7. Mainline double trac&s about 78.9 &m consisting of elevated plinth trac&s, at grade ballasted trac& and bridge trac&$. #witches and crossingH $8 units on the mainline, $ units at the access line, %5 units at the depot0. Ma)imum gradient is :J%. (ail trac& gauge 7%0: mm:. (ail wt is :% &g=M8. (ail fastenings by P;"(@A