Download - Primavera Cost Res Vn
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Söû duïng phaàn meàm Primavera trong quaûn lyù
chi phí vaø nguoàn löïcDr. B. H. W. Hadikusumo
Construction Engineering and Management
School of Civil EngineeringAsian Institute of Technology
ThailandEmail: [email protected]
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Caùc coâng vieäc
Chæ coù 2 coâng vieäc chính Töôøng A (40 m2) = 40 giôø coâng (5
ngaøy) Töôøng B (40 m2) = 40 giôø coâng
Naêng suaát: 1giôø coâng/m2Giôø laøm vieäc: 8 giôø/ngaøyNgaøy baét ñaàu: 05 thaùng 1
naêm 2004
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Caùc nguoàn löïc
Nhaân löïc Coâng nhaân: USD 30/ngaøy
Nguyeân vaät lieäu Gaïch: USD 10/m2
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Caáu truùc phaân nhoû coâng vieäc (WBS)
Ngoâi nhaø
(HS-00)
Moùng
(HS-00-3100)
Töôøng
(HS-00-4100)
Töôøng A
(HS-00-4100-01)
Töôøng B
(HS-00-4100-02)
Hammock
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Ñöa WBS vaøo muïc caùc hoaït ñoäng (Activities)
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Phaân boå nguoàn löïc
Töôøng A
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Phaân boå nguoàn löïcTöôøng B
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Doøng tieàn
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Doøng tieàn
Ñoái vôùi chuû döï aùn Vieäc öôùc tính soá tieàn caàn traû cho
nhaø thaàu vaøo moät khoaûng thôøi gian nhaát ñònh laø raát quan troïng
Ñoái vôùi nhaø thaàu Vieäc öôùc tính soá tieàn phaûi traû
cho nhaø thaàu phuï vaø nhaø cung caáp laø raát quan troïng
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Taïo doøng tieàn baèng baûng "Resource Profile"
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Baèng baùo caùo daïng baûng
Nhaán vaøo modify
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Keát quaû CFlowDay.out
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Laäp keá hoaïch caùc nguoàn löïc
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Resources ProfileBaèng sô ñoà
Click “Resource/Cost Profile” icon
Open …/File04
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Baùo caùo daïng baûng
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Click MODIFY
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Keát quaû
Open /File04/RESPROF.OUT
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Kieåm soaùt chi phí
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Khaùi nieäm giaù trò laøm ra
(Earned Value)Earned Value laø khaùi nieäm cô baûn
veà kieåm soaùt chi phí döï aùnSöû duïng Earned Value coù theå giuùp
giaùm saùt/kieåm tra lieäu döï aùn: Coù vöôït ngaân saùch hay chöa söû duïng
heát ngaân saùch khoâng Coù muoän hay sôùm so vôùi keá hoaïch
tieán ñoä Döï tính ñöôïc chi phí cuoái cuøng
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Vì sao söû duïng khaùi nieäm Earned Value?
Lieäu coù phaûi ta söû duïng caøng nhieàu tieàn trong moät giai ñoaïn döï aùn thì ta seõ taêng ñöôïc tieán ñoä nhieàu khoâng ???
Lieäu coù phaûi ta söû duïng caøng ít tieàn trong moät giai ñoaïn döï aùn thì ta caøng tieát kieäm ñöôïc nhieàu tieàn khoâng ???
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Ba yeáu toá thuoäc earned value Chi phí thöïc teá cuûa coâng vieäc ñaõ hoaøn
thaønh (ACWP) Soá tieàn thöïc teá ñaõ chi ACWP = Q1 x P1
Chi phí theo keá hoaïch cho phaàn coâng vieäc ñaõ hoaøn thaønh (BCWP)
Giaù trò laøm ra (Earned value) BCWP = Q1 x Po
Chi phí theo keá hoaïch cuûa phaàn coâng vieäc theo keá hoaïch (BCWS)
Chi phí öôùc tính BCWS = Qo x Po
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Caùc ñieàu kieän Cheânh leäch veà chi phí (CV) = BCWP –
ACWP CV < 0, Vöôït chi CV = 0, Chi ñuùng theo keá hoaïch CV > 0, Chöa chi heát soá tieàn theo keá hoaïch
Cheânh leäch veà tieán ñoä (SV) = BCWS – BCWP
SV > 0, Chaäm tieán ñoä SV = 0, Ñuùng tieán ñoä SV < 0, Vöôït tieán ñoä
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TöôøngQtotal = 50 m3, Unit Price = 10
• Löôïng coâng vieäc ñaõ hoaøn thaønh (Q1) = 20 m3• Löôïng coâng vieäc döï kieán hoaøn thaønh (Qo) = 30 m3• Giaù thöïc teá (P1) = USD 12/ñôn vò• Giaù öôùc tính theo keá hoaïch (Po) = USD 10/ñôn vò
• ACWP = 20 x 12 = 240
• BCWP = 20 x 10 = 200
• BCWS = 30 x 10 = 300
BCWS
ACWP
BCWP
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Neáu caùc ñieàu kieän khoâng ñöôïc caûi thieän, chi phí öôùc tính khi keát thuùc döï aùn laø 12 x 50 = USD 600
Toång thôøi gian hoaøn thaønh döï aùn theo öôùc tính seõ laø 50/20 x 3 = 7.5 ngaøy
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Earned Value trong phaàn meàm Primavera
Giaû thieát raèng hoâm nay laø 8 thaùng 1 naêm 2004
Phaàn traêm ñaõ hoaøn thaønh cuûa böùc töôøng A laø 50%
Chi phí thöïc teá tính ñeán hoâm nay Gaïch = 20 ñôn vò (50%) x USD 15 =
300 Nhaân coâng = 20 ñôn vò (50%) x USD
40 = 800
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Save Target
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Format Bar
Click “format bar” icon
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Caäp nhaät tieán ñoä
Töôøng A = 50% hoaøn thaønh
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Chi phí thöïc teá tính ñeán hoâm nay Gaïch = 300, Nhaân coâng = 800
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Nhaán phím F9 Nhaäp vaøo muïc Data Date: 8 Jan
2004
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Baùo caùo veà giaù trò laøm ra
(Earned Value)
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•Keát quaû: EVC.OUT
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THANK YOU