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Bin son: Mr. Mai B Nhn Website: www.dutoancongtrinh.edu.vn Fanpage: www.facebook.com/dutoancongtrinhNm 2015

Tng quan v cng tc nh gi sn phm xy dngCHNG I

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CHNG II nh mc v n gi trong xy dng c bn

CHNGIII Trnh t cc bc lp d ton- lp n gi d thu

CHNG IV Trnh t v phng php o bc khi lng XDCT

CHNG V Bi tp thc hnh o bc khi lng

CHNG VI Tng hp kinh nghim khi o bc khi lng v lp d ton

au raau vaoQua trnh au t

3Tai nguyen: Vat t, thiet b; Tai chnh; Lao ong; Tr thc;

Cac giai oan

Cong trnh hoan thanh va ket qu kinh te xa hoi cua viec a cong trnh vao khai thac s dung

Chuan b au tThc hien au tKet thuc XD, a CT vao khai thac s dung

D AN AU T (THIT K C S) TONG MC AU TKHAI THAC, S DUNG GIA A CT VAO S DUNG

4THIT K K THUT D TOAN XD CONG TRNH

NGHIEM THU BAN GIAO QUYET TOAN CONG TRNH

KE HOACH AU THAUGIA GOI THAU

GIAI OAN THI CONGGIA THANH TOAN

CHUAN B AU THAUD T OAN GOI THAU

TO CHC THI CONG D TOAN THI CONG

TO CHC AU THAU GIA E NGH TRUNG THAU

THNG THAO, KY HP ONG GIA HP ONG

I. Giai on chun b u t:Tng mc u t:Tng mc u t d n u t xy dng cng trnh l khi ton chi ph ca d n u t xy dng cng trnh c xc nh trong giai on lp d n hoc lp bo co kinh t - k thut lm c s lp k hoch v qun l vn u t, xc nh hiu qu u t ca d n.TMT = GXD + GTB + GB-GPMB+ GQLDA + GTV + GK + GDPi vi d n s dng vn ngn sch Nh nc th tng mc u t l chi ph ti am Ch u t c php s dng u t xy dng cng trnh.II. Giai on thc hin u t:1. D ton xy dng cng trnh: c xc nh theo cng trnh xy dng c th lcn c ch u t qun l chi ph u t xy dng cng trnh. D ton xy dng cng trnh c lp cn c trn c s:+ Khi lng cc cng vic xc nh theo thit k k thut hoc tk bn v thi cng.+ n gi xy dng cng trnh+ nh mc chi ph tnh theo t l phn trm (%)+ Thng bo gi vt liu v vn bn iu chnh d ton.GXDCT = GXD + GTB + GQLDA + GTV + GK + GDP2. Gi gi thu: L gi dng lm cn c la chn nh thu.3. Gi ngh trng thu: L gi ca nh thu c chn tin hnh thngtho.5

4. Gi hp ng: L gi ngh trng thu sau khi iu chnh, thng tho vhon thin hp ng.5. D ton thi cng : Do n v thi cng lp qun l chi ph.6. Gi thanh ton cng trnh: L gi hp ng cng cc iu kin c ghi

III. Giai on kt thc u t:1. Vn u t c quyt ton: Ltrong hp ng kinh t gia ch u t v nh thu xy dng.

ton b chi ph hp php thc hin trong qu trnh u t a d n vo khai thc s dng. Chi ph hp php l chi ph theo ng hp ng k v thit k, d ton c ph duyt, bo m ng ch ti chnh k ton v nhng quy nh hin hnh.2. Gi a cng trnh vo khai thcGi a cng trnh vo khai thc s dng (GSD) c xc nh theo cng thc:GSD = GQT + CSDTrong : GQT: Gi quyt ton xy dng cng trnh CSD: Chi ph cn thit a cng trnh vo khai thc, s dng

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Chi ph d phng

CP Bi thng - H tr ti nh c

Chi ph khcCP t vn

CP Qun l dn

CP Thit b

CP Xy dng

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A) Chi ph bi thng, h tr v ti nh c gm Chi ph bi thng v t, nh, cng trnh trn t, cc ti sn gn lin vi t, trn mt nc v chi ph bi thng khc theo quy nh. Cc khon h tr khi nh nc thu hi t. chi ph ti nh c; chi ph t chc bi thng, h tr v ti nh c; chi ph s dng t trong thi gian xy dng (nu c). Chi ph chi tr cho phn h tng k thut c u t xy dng (nu c) v cc chi ph c lin quan khc.

B) Chi ph xy dng gm Chi ph ph d cc cng trnh xy dng. Chi ph san lp mt bng xy dng. Chi ph xy dng cc cng trnh, hng mc cng trnh, xy dng cng trnh tm, cng trnh ph tr phc v thi cng.

C) Chi ph thit b gm- Chi ph mua sm thit b cng trnh v thit b cng ngh. Chi ph o to v chuyn giao cng ngh (nu c) Chi ph lp t, th nghim, hiu chnh; chi ph vn chuyn, bo him; thu v cc loi ph, chi ph lin quan khc.

D) Chi ph qun l d n gmCc chi ph t chc thc hin cc cng vic qun l d n t giai on chun b d n,thc hin d n v kt thc xy dng a cng trnh ca d n vo khai thc s dng.8

E) Chi ph t vn u t xy dng gm Chi ph t vn kho st. Chi ph lp Bo co nghin cu tin kh thi (nu c), lp Bo co nghin cu kh thi, lp Bo co kinh t - k thut. Chi ph thit k. Chi ph t vn gim st xy dng cng trnh. V cc chi ph t vn khc lin quan.

F) Chi ph khc gm Chi ph hng mc chung v cc chi ph khng thuc cc chi ph trn.* Chi ph hng mc chung bao gm:+ Chi ph xy dng nh tm, nh iu hnh phc v thi cng ti cng trng.+ Chi ph di chuyn thit b thi cng v lc lng lao ng n v ra khi cng trng.+ Chi ph an ton lao ng, chi ph bo m an ton giao thng phc v thi cng (nu c).+ Chi ph bo v mi trng cho ngi lao ng v mi trng xung quanh.+ Chi ph hon tr mt bng v h tng k thut do b nh hng khi thi cng cng trnh(nu c),+ Chi ph th nghim vt liu ca nh thu+ V mt s chi ph c lin quan khc lin quan n cng trnh.

g) Chi ph d phng gmChi ph d phng cho khi lng cng vic pht sinh v chi ph d phng cho yu t trt gi trong thi gian thc hin d n.9

Phng php 1: Theo thit k c s ca DAV = GXD + GTB + GBT, TC + GQLDA + GTV + GK + GDPPhng php 2: Theo Ch tiu Sut vn u tGXDCT= S . N + GCT

TNG MC U T

Phng php 3: Gi cc cng trnh tng t c TXDTMT = Gtt x K1 x K2 x ..x Kn + GDPPhng php 4: Phi hp 3 phng php trnPHNG PHP 1: XC NH T KHI LNG TNH THEO THIT K C S V CC YU CU K THUT KHC CA D NTng mc u t d n u t xy dng cng trnh c tnh theo cng thc sau:V = GBT, TC + GXD + GTB + GQLDA + GTV + GK + GDPTrong :+ V: Tng mc u t ca d n u t xy dng cng trnh.+ GGPMB: Chi ph bi thng gii phng mt bng v ti nh c.+ GXD: Chi ph xy dng ca d n.+ GTB: Chi ph thit b ca d n.+ GQLDA: Chi ph qun l d n+ GTV: Chi ph t vn u t xy dng.+ GK: Chi ph khc+ GDP: Chi ph d phng.10

1. Xc nh chi ph n b ti nh cChi ph bi thng, h tr v ti nh c (GBT, TC) c xc nh theo khi lng phi bi thng, ti nh c ca d n v cc qui nh hin hnh ca nh nc v gi bi thng, ti nh c ti a phng ni xy dng cng trnh, c cp c thm quyn ph duyt hoc ban hnh.2. Xc nh chi ph xy dngChi ph xy dng ca d n (GXD) bng tng chi ph xy dng ca cc cng trnh, hng mccng trnh thuc d n c xc nh theo cng thc sau :GXD = GXDCT1 + GXDCT2 + ... + GXDCTn(1.2)Trong : n: s cng trnh, hng mc cng trnh thuc d n.Chi ph xy dng ca cng trnh, hng mc cng trnh c xc nh theo cng thc sau:mGXDCT = (QXDj x Zj + GXDK) x (1 + TGTGT-XD)j=1QXDj : Khi lng cng tc xy dng ch yu hoc b phn kt cu chnh th j ca CT, HMCT thuc d n (j=1m);Zj : n gi cng tc xy dng ch yu hoc n gi theo b phn kt cu chnh th j ca cng trnh. n gi l gi xy dng tng hp.GXDK : Chi ph xy dng cc cng tc khc hoc b phn kt cu khc cn li ca CT, HMCT c c tnh theo t l (%) trn tng chi ph xy dng cc cng tc xy dng ch yu hoc tng chi ph xy dng cc b phn kt cu chnh ca CT, HMCT.TGTGT-XD : Mc thu sut thu gi tr gia tng quy nh cho cng tc xy dng.

123. Xc nh chi ph thit bTrng hp d n c thng tin v gi cho hng ng b v thit b, dy chuyn cng ngh ca nh sn xut hoc n v cung ng thit b th chi ph thit b ca d n c th c ly trc tip t cc bo gi hoc gi cho hng thit b ng b ny.Trng hp d n ch c thng tin, d liu chung v cng sut, c tnh k thut ca dy chuyn cng ngh, thit b th chi ph thit b c th c xc nh theo ch tiu sut chi ph thit b tnh cho mt n v cng sut hoc nng lc phc v ca cng trnh 4,5,6. Xc nh chi ph qun l d n, chi ph t vn u t xy dng, chi ph khc.Chi ph qun l d n (GQLDA), chi ph t vn u t xy dng (GTV) v chi ph khc (GK) c xc nh bng cch lp d ton hoc tnh theo nh mc chi ph t l c quy nh trong Q 957/2009 Q-BXD , TT75/2014 TT-BTC , N 63/2014 N-CP v TT19/2011TT-BTC. Tng cc chi ph ny (khng bao gm li vay trong thi gian thc hin d n v vn lu ng ban u) khng vt qu 1015% ca tng chi ph xy dng v chi ph thit b ca d n.7. Xc nh chi ph d phngChi ph d phng (GDP) c xc nh bng tng ca chi ph d phng cho yu t khi lng cng vic pht sinh (GDP1) v chi ph d phng do yu t trt gi (GDP2) theo cng thc:GDP= GDP1 + GDP2Chi ph d phng cho yu t khi lng cng vic pht sinh GDP1 xc nh theo cng thc sau:GDP1= (GXD + GTB + GBT, TC + GQLDA + GTV + GK) x Kps

Trong :- Kps: H s d phng cho khi lng cng vic pht sinh l 500m thnh mc trn nhn vi h s 0,7 ca bng mc c ng knh tng ng. Lng nc cn thit cho cng tc th p lc i vi h thng cp tho tnc c tnh ring theo yu cu thit k.

20.nh mc d ton lp t ph kin phc v sinh hot v v sinh trong cngtrnh(BB.41100) (gi tt l ph kin cp thot nc) dng lp n gi d ton cho cng tclp t ph kin cp thot nc cao trung bnh 4m (tng th nht), nu thicng cao > 4m th nh mc nhn cng c iu chnh theo cc h s nhsau: cao t tng th 2 n tng th 5: C mi tng c iu chnh h s bng 1,03 so vi nh mc nhn cng ca tng lin k. cao t tng th 6: C mi tng c iu chnh h s bng 1,05 so vinh mc nhn cng ca tnglin k.Lp t cc ph kin cp thot nc trong tp nh mc ny c quy nhnh sau :Cc thit b v sinh c quy nh tnh l 1 b, v d: lp t chu ra c 1vi nng 1 vi lnh bao gm: 1 chu ra, 1 vi nng, 1 vi lnh, 2 dy dn nc (1nng 1 lnh) v 1 cm xi phng thot nc.Trong nh mc tnh cng tc th, hon chnh h thng.