Concluzii Tema 2 ROTARU

UNIVERSITA UNIVERSI TAT TEA OVIDIUS OVIDI US CONSTANŢA FACULTATEA DE CONSTRUCŢII

MANAGEMENT ÎN CONSTRUCŢII LUCRAREA NR. 2

Rotaru Daniel Valentin

CCIA, ANUL IV, GR.2

Lucrarea nr. 2

Se vaprogramaprime!o"e#e $ Aa#i%e#e"r&m&#&i 'ri!i' (A.D.C.)* C+M i M+M e-e'&!area#&'rri#or "e 'o/!r&'0ii1mo!a a &eiameari &r3ae, #a 'are /e '&o/'&rm!oare#e "a!e "e 3a%pre%e!a!e4!a3e#&# r.5, re%&#!a!e4&rmaaa#i%ei"o'&me!a0iei!e6i'o1e'oomi'ei a &or'a#'&#epre#imiarii. Lucrareavacuprinde* 1.Gra7i'&#re0eaprime!o"a C+M8 2.Ca#'&#&#re%erve#or "e !imp (me!o"a C+M)8 3.Gra7i'&#re0eaprime!o"a M+M8 4.Gra7i'&# "e ea#oare'a#e"ari/!i' (Ga!!)*

1 #ame!o"a C+M 1 #ame!o"a M+M 5.Gra7i'&# "e 7or0e "e m&' 1 #ame!o"a C+M 1 #ame!o"a M+M 6.Co'#&%ii 1. Graiculre!eaprin"etoda C#". A'ea/!me!o"#&'rea% '& !impi 3ie "e!ermia0i,

a/o'ia0i7ie'reia'!ivi!0iipermi!e, !o!o"a!, a!9!e/!imarea'o/!&ri#or, '9!i a !imp&#&i "e e-e'&0ie a proie'!&#&i. E/!e o me!o""e!ermii/! 'are  permi!e'o!ro#&#!imp&#&ii'o/!&#&i "e e-e'&0ie a# &&iproie'!,  pri"e!ermiarea"r&m&#&i 'ri!i' a# a'e/!&ia. 1 $i%pul %ini% de &ncepere al uneiactivit'!i$ %i Repre%i!'eamai"evreme"a!po/i3i# #a 'are o a'!ivi!a!epoa!e4'epe,  pre/&p&9"'!oa!ea'!ivi!0i#epre'e"e!e'e#ei4'a&% a& 4'ep&!, "e a/emeea, 'e#mai"evremepo/i3i#. 1 $i%pul %ini% de ter%inare al uneiactivit'!i , repre%i!/&ma"i!re$%ii"&ra!aa'!ivi!0ii* $% ( $%i ) t E# repre%i! "a!a 'eamai"evreme #a 'are o a'!ivi!a!epoa!e 7i !ermia!,  pre/&p&9"'!oa!ea'!ivi!0i#epre'e"e!e a& 4'ep&!, "e a/emeea, 'e#mai"evremepo/i3i#. 1 $i%pul %a*i% de ter%inare a uneiactivit'!i +$" , repre%i! "a!a 'eamai!9r%ie #a 'are o a'!ivi!a!e /e poa!e!ermia7r a 4!9r%iaproie'!&#pe/!e "a!a p#ai7i'a! "e  pre"are, pre/&p&9"'!oa!ea'!ivi!0i#e&#!erioare /e "e/7oar 'o7orm p#a&#&i. 1 $i%pul %a*i% de &ncepere a uneiactivit'!i, $ "irepre%i!"i7ere0a"i!re"&ra!aa'!ivi!0iii"&ra!ae/!ima! "e e-e'&0ie a a'e/!eia* $"i ( $" + t  t ( "&ra!aa'!ivi!0ii

+e!r&ao30ie$"ii$" ai7ie'reia'!ivi!0i /e pore!e "e #a /79ri!&#re0e#ei'!re4'ep&!&#a'e/!eia, "e'i4/e/ iver/ 'roo#ogi' ("e #a "reap!a/pre/!9ga).

2. Reerva de ti%p- calcululreervei de ti%p

Re%erva "e !imppe!r& o a'!ivi!a!e /e 'a#'&#ea%/'%9" "i !imp&# ma-im a# eveime!&#&i 7ia#, $", !imp&# miim a# eveime!&#&iii0ia#, $% (am3e#eapar0i9"a'e#eiaia'!ivi!0i, pre'&mi"&ra!ae/!ima!, !, a a'e/!eia'!ivi!0i, a"i'* R : $", $% Re%erva "e !imprepre%i!4!9r%iereapermi/&&ipro'e/7ra4!9r%ia4!reg&#proie'!. Calcululreervelor de ti%ppentru%etoda C#" Actiun e A B

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Deter%inareadru%ului critic

Dr&m&# 'ri!i' repre%i!"r&m&# "i re0ea'e#eag4'ep&!&#proie'!&#&i "e /79ri!&#/&i a#e 'r&ia'!ivi!0iieveime!e & a& re%erv "e !imp, /&!'ri!i'e. Co7orm a'e/!ei"e7ii0ii, "a'avem$" ( $% pe!r&&#!im&#eveime!, a!&'ipe"r&m&# 'ri!i' o re%erv!o!a#e/!e&#. A#!7e#, "r&m&# 'ri!i' e/!ea'e# "r&m '& re%erva!o!a#miim. E/!e impor!a! "e i"e!i7i'a!"r&m&# 'ri!i', 4!r&'9!a'e/!aara! 'are /&!a'!ivi!0i#eieveime!e#e'ri!i'e 'are !re3&ie&rmri!ei'o!ro#a!e '& /!ri'!e0e. 3. Graiculre!eaprin"etoda "#"

A'ea/!me!o"7o#o/e!e'o'omi!e!pe#9g'o"i0iori#e "e !ip '#a/i' sfârşitînceput ia#!e!ip&ri "e 'o"i0iori, 'eamai&!i#i%a!7ii"'o"i0ioareaînceput-început . A'e/! !ip "e 'o"i0ioaree-prim7ap!&#' o a'!ivi!a!e ; poa!e4'epe"&p & a&mi!&mr "e %i#e "e #a 4'epereaa'!ivi!0ii A '& re/!ri'0ia'aa'!ivi!a!ea ; / /e !ermie&mai"&p'e4prea#a3i# a 7o/!!ermia!a'!ivi!a!ea A. +e3a%aa'e/!ore#eme!evomp&!ea'a#'&#a!ermee#emiimeima-ime a#e a'!ivi!0i#oriapoire%erve#e "e !imp. Ca#'&#area!ermee#or4repre%e!area M+M e/!ea/em!oare '& 'ea "i C+M. Îa'ea/!repre%e!are& o" a# gra7&#&i /e repre%i!pri!r1& "rep!&g6i'ompar!ime!a!4a/epr0i, 'are vor 7i 'omp#e!a!ea/!7e#* 1 'e!r&1/&/* "&ra!aa'!ivi!0ii* "(i), "(A),< 1 'e!r&1mi#o'* &mr&#/a&/im3o#&#a'!ivi!0ii* i, A,< 1'e!r&1o/* re%erva "e !imp* R  1/!9ga1/&/* !erme&#'e#mai"evreme a# 4'eperiia'!ivi!0ii* $%i ,"reap!a1/&/* !erme&#'e#mai"evreme a# !ermiriia'!ivi!0ii* $%  1 /!9ga1o/* !erme&#'e#mai!9r%i& a# 4'eperiia'!ivi!0ii* $"i 1 "reap!a1o/* !erme&#'e#mai!9r%i& a# !ermiriia'!ivi!0ii* $"  4. Graicul de e/alonarecalendari0tic' Gantt Graicul Ganttrepre%i! o a#!7orm "e vi%&a#i%arei "e p#ai7i'are a

 proie'!e#or, a#!&ri "e re0e#e#e orie!a!e peeveime!eia'!ivi!0i. E# repre%i! o re0ea4 'are a'!ivi!0i#eieveime!e#e/&!!ra/p&/e'a#e"ari/!i'pe o a-ori%o!a# a !imp&#&i. Ueia'!ivi!0i i /e a/o'ia%& /egme! "e #&gime "ire'! propor0ioa# '& "&ra!ae/!ima!. Gra7i'e#e Ga!! a& "e%ava!a&#' & ara!i!er"epe"e0e#e"i!rea'!ivi!0iieveime!e (evi"e0ia!e4/ "e re0e#e, 'are 7&ri%ea% o repre%e!arepi'!oria#a4!reg&#&i program). 5. Graicul de or!e de %unc'

Se repre%i!gra7i'1 "eriva!e "i gra7i'&# Ga!!1 e'e/ar&# "e re/&r/e47&'0ie "e !imp, a-a!imp&#&i7ii"'eaori%o!a#iarpe ver!i'a# &mr&# "e &!i#aee'e/are. Calcululre0ur0elor%ediipentru%etoda C#"

Rme".:2=>?2@=>55@>55@25>5?B@2>5?@>5@2>5@52>55@5>55@>5B @>55@5>@=>55@>?@25>5@>=@22>@>=?@>5:5?=5?:B. Calcululre0ur0elor%ediipentru%etoda "#"

Rme".:>?2@5>5@5>5?@5>55@5>5B@2>22@2>2B@2>2?B@2>@5> @2>@>@>52@>B5@5>52@>2@5>?@5>@>2?@>22@5>5B=@ 5>5@5>22B@=>2@=>5??@B>5B@>55@5>B2@>5@55>5:5??5?:2.

6.Concluii

Du'( cum )*a 'utut +,)er-a .urata 'r+iectu/ui a'/icn. met+.a " a +)t )curtat( .e /a 99 .e i/e /a 72 .e i/e a.ic( 27 .e i/e Ace)t /ucru a +)t '+)i,i/ .at+rit( a'tu/ui c( /a a'/icarea met+.ei " am +/+)it a-antau/ c+n.i6i+n(ri/+r ntre eta'e n met+.a C" nce'erea unei acti-it(6i era c+n.i6i+nat( .e terminarea acti-it(6ii 'rece.ente .ar cum ,ine :tim n rea/itate une/e acti-it(6i '+t nce'e :i /a un anumit tim' .e /a nce'erea acti-it(6ii 'rece.ente ne;in. c+n.i6i+na6i .e ;na/iarea ace)teia ! +'timiare a a/+c(rii re)ur)e/+r e)te '+)i,i/( :i /a a'/icarea met+.ei " Dat+rit( 'eri+a.ei mai mari .e .eru/are a 'r+iectu/ui tim'u/ .e /ucru a/+cat ;ec(rei acti-it(6i n 'arte ;in. ace/a:i)e '+ate +,)er-a c( reer-e/e .e tim')unt mu/t mai mari /a met+.a C" ceea ce 'ermite + mai mare ?exi,i/itate n ceea ce 'ri-e:te a/+carea re)ur)e/+r Dac( am nce'ut 'r+iectu/ a'/icn. met+.a C" :i a-em  ntrieri ace)tea )e '+t recu'era a'/icn. met+.a "* ca/cu/n.  n 'rea/a,i/ c+n.i6i+n(ri/e ntre re)'ecti-e/e acti-it(6i* mic:+rn. termenu/ .e 're.are @e '+t +,)er-a :i cte-a .ieren6e n ceea ce 'ri-e:te re'reentarea rau/ui n ce/e .+u( met+.e et+.a " e)te un 'r+ce.eu .e ana/i( a .rumu/ui critic care ncearc( )( .e'(:ea)c( neaun)uri/e met+.ei C" n care ca :i n met+.a C" )e ana/iea( 'arametru/ tim' .ieren6a c+n)tn. n e/u/ n care )e c+n)truie:te rau/ re6eaB * ;ec(rei acti-it(6i A i )e a)+cia( un n+. A * ;ec(rui n+. i )e a)+cia( + -a/+are .at( .e .urata acti-it(6ii 'e care + re'reint( * c+n.i6i+narea a .+u( acti-it(6i )e re'reint( 'rintr*+ )(eat( +rientat( .e /a + acti-itate /a a/ta * ;ec(rei )(e6i .intre .+u( acti-it(6i A :i  i )e a)+cia( un num(r re'reentn. -a/+area tA * re'reentarea acti-itate* n+. 'ermite ca ntre acti-it(6i/e unui 'r+iect )( a-em mai mu/te ti'uri .e /e(turi .e 'rece.en6( n cau/ n+)tru început-început 'entru t+ate acti-it(6i/e * ra;cu/ re6ea n re'reentarea 'rin met+.a " nu c+n6ine acti-it(6i ;cti-e e-entua/ cu exce'6ia unei acti-it(6i .e nce'ere :i )au a unei acti-it(6i .e terminare a 'r+iectu/ui nece)are n cau/ n care exi)t( mai mu/te acti-it(6i care nu )unt c+n.i6i+nate .e nici + acti-itate a 'r+iectu/ui