7/29/2019 04b_VD Tinh CP Du Phong Cua DT Theo Chi So Gia XDCT

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Gi tr d ton ca cng trnh (cha k d phng): V = 20.000 triu ngTNG CHI PH D PHNG: Gdp = Gdp1 + Gdp21. Tnh gi tr d phng do yu t pht sinh khi lng: Gdp1 = Kps.V = 5% V = 1.000 triu ng2. Tnh gi tr d phng do yu t trt gi: Gdp2Tng thi gian XD cng trnh d kin: T = 3 qu (t Q3 nm 2012 n ht Q1 nm 2013) Gi thit thi im lp d ton: Q2/2012, thi im khi cng XD l Q3/2012 Cch ny gi thit khng c bin ng gi t bin so vi CSGXD bnh qun (Ixdctbq =0)

Qu/Nm Q4/2010 Q1/2011 Q2/2011 Q3/2011Ch s gi xy dng bnh qun ca qu (%)(Quyt nh 196, 552, 867 v 950-BXD,nm gc:2006) 167,83 189,1 196,28 196,85

H s trt gi qu (= CSGXD qu sau chia cho qu trc)(cn gi l CSGXD lin hon) - 1,127 1,038 1,003H s trt gi trung bnh (= trung bnh cng cc h s trt gi): CSGLHbq

Qu/Nm Q2/2012 Q3/2012 Q4/2012 Q1/2013Qu th (i =) 0 1 2 3

T l phn b vn u t q(i)(xc nh t d n ang lp hoc tin d kin ca cng trnh) - 25% 40% 35%Vn phn b cho tng qu (triu ng): V(i) = q(i) V = - 5.000 8.000 7.000 Chi ph li vay ca vn u t d kin thc hin trong qu (triu ng): Lv(i) - 500 800 700 Vn khng tnh li vay (triu ng): A(i) = V(i) - Lv(i) = - 4.500 7.200 6.300 Ch s gi XDCT ca tng qu (so vi qu lp d ton): (CSGLHbq)^i 1 1,0559 1,1149 1,1771 Vn (khng tnh li vay) c xt trt gi (triu ng): B(i) 4.751 8.027 7.416 Gi tr trt gi tnh cho tng qu (triu ng): B(i) - A(i) - 251 827 1.116 Cng d n gi tr d phng do trt gi (triu ng): = 1.078 2.194 Gi tr d phng do trt gi (triu ng): Gdp2 = 2.194

TNG CHI PH D PHNG (triu ng): Gdp = Gdp1 + Gdp2 = 3.194

GI TR D TONK C D PHNG: G = V + Gdp = 23.194 (triu ng)

V D TNH CHI PH D PHNG TRONG D TON CNG TRNH THEO CH S GI XDCT BNH QUN

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Cng trnh dn dng (nh ) ti H Ni