tcvn 5671_1992 he thong tai lieu ho so kien truc

7/26/2019 TCVN 5671_1992 He Thong Tai Lieu Ho So Kien Truc

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Tiu chun vit nam tcvn 5671 : 1992

H thng ti liu thit k xy dng- H s thit k kintrc

Phm vi p dng.

Tiu chun ny quy nh thnh phn, ni dung, yu cu k thut v k hiu cc bn v:Phn h s thit k kin trc ca nh v cng trnh thuc giai on chun b xy dng theohai giai on thit k: k thut v thi cng.Tiu chun ny khng p dng cho cc bn vphi cnh tng th, ni tht v cc n d thi.

1. Quy nh chung

1.1.

Thnh phn h s kin trc hai giai on thit k bao gm:

-

Cc bn v kin trc k hiu bng ch KT, sau ghi ch s Rp ch s th tca bn v (v d : KT -4)

-

i vi h s thit k thi cng cn c thm cc bng tng hp cc yu cu vcu kin, v trang thit b, v nguyn vt liu trang tr v hon thin c bit.

1.2.

Ni dung ca h s bn v thit k thi cng bao gm:

-

Nhng s liu chung v thi cng.

-

V tr cng trnh xy dng.

-

Cc mt bng cc tng, tng hm, tng k thut, mi, sn.

-

Cc mt ct.

-

Cc mt ng.

-

Cc chi tit cu to kin trc.

-

S lp t hoc v tr cu kin.

1.3.

Kch th|c kh bn v |c quy nh thng nht ly bng bi s kh giy A4.

1.4.

Quy cch bn v, k hiu, tn, s th t, s trang ca bn v, nt v, k hiu ch, khiu vt liu xy dng, cch nh trc v k hiu trc, |c p dng theo TCVN4455 : 87 v cc tiu chun v h thng ti liu thit k xy dng hin hnh.

1.5.

V tr |ng dng kch th|c phi t pha trong nt v t|ng ro ca cng trnh -nu c -v dc theo bn ngoi nt v ca t|ng chnh ngi nh. -Khi cng trnh ccc t|ng ro bao quanh kch th|c cc t|ng b phn v tng kch th|c ca nhhoc cng trnh |c ghi pha ngoi t|ng ro.

Ngoi nhng yu cu trn, quy cch ghi kch th|c cn tun theo TCVN 4455 : 87v cc ti liu v h thng ti liu thit k xy dng hin hnh.

1.6.

H o l|ng p dng trong h s thit k kin trc l h mt.

-

Kch th|c cc chiu |c ghi bng mm.

-

cao |c ghi bng m.

-

Din tch |c ghi bng m2. Trong tr|ng hp bt buc phi p dng h ol|ng khc th phi ghi ch r trong mi bn v.

1.7.

Cc bn v thit k kin trc |c th hin vi cc t l sau: 1:1, 1:2, 1:5, 1:10, 1:20,1:100, 1:200 (1:400), 1:500, (1:800), 1:1000

Ch thch:


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Cc t l vit trong ngoc ch p dng trong tr|ng hp c bit.

- Cc bn v s (S mng l|i, s dy chuyn hot ng, s quy trnh cngngh sn xut v.v) cc hnh v phi cnh khng dng t l kch th|c.

- Trong mt bn v c nhiu hnh v t l khc nhau th bn cnh hnh v phi ghi r tl ca hnh tr tr|ng hp i vi cc hnh v thit k in hnh, cc hnh v khngtheo t l.

1.8.

Cch ghi cao |c quy nh nh| sau:

-

cao gc ca cng trnh 0,000 l |ng giao nhau gia chn t|ng v h nhtrn li vo chnh ca nh.

-

Bn cnh hay pha d|i cao 0,00 ca cng trnh cn ghi cao t|ng ngvi cao mt bin theo h thng nht cao quc gia.

Trong tr|ng hp khng c s liu v cao t|ng ng vi cao mt bin theo h

thng nht cao quc gia th cao 0,000 ca cng trnh cn |c so snh vi mtim xc nh cho tr|c ca c quan duyt cp t.

-

cao 0,000 phi thng nht trong tt c cc bn v ca h s thit k cngtrnh.

1.9.

Trong bn v mt bng, tn v k hiu |c p dng nh| sau:

-

Cc bung, phng trong nh v cng trnh cn |c nh s th t. Nu nhhoc cng trnh c nhiu tng, s th t bung, phng tng trn cng |cghi t tri sang phi, tng d|i tip theo ghi t phi sang tri, tng d|i tip theosau li t tri sang phi

-

Cc tng |c quy nh nh s nh| sau:

+ Tng hm:00+ Tng trt (tng mt t): 0

+ Cc tng khc:1, 2, 3, 4

Nh| vy s th t cc bung, phng trong cc tng s nh| sau:

V d: Tng trt c 8 phng: 01, 02 08

Gc 1 c 10 phng 1.1, 1.2 1.10

-

Tn cc bung, phng |c ghi v tr bung hoc phng . Trong cc bn vca h s thit k s b, tn ca phng, bung c th k hiu bng cc ch ci inhoa.

-

Cn ghi k hiu, cht l|ng vt liu dng xy trt hoc p t|ng bao quanhbung, phng . C th ghi k hiu ri ghi ch thch bn ngoi hnh v.

1.10.

Trn hnh v mt bng v mt bng chi tit v cu to kin trc phi ghi r v tr thhin mt ct. ch mt ct gp khc th nht thit phi th hin v tr mt ct.Mt ct phi th hin nhng nt c tr|ng nht ca ngi nh (ca s, cu thangv.v)Mt phng ct |c th hin bng nt chm gch m.

1.11.

Cc bn v thit k phi |c thc hin bng mc can en c th sao chp |cnhiu bn.


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2. Nhng s liu chung trong bn v thi cng

2.1.

H s thit k thi cng phi c:

-

Bn lit k cc bn v ca h s thit k kin trc.

-

Bn lit k cc trang thit b hon thin.

2.2.

Trong bn v thi cng cn phi c nhng ch dn v:

-

Bc chu la ca nh v cng trnh

-

c im ca vt liu lm t|ng

-

Xy dng h thng chng thm v dc nn, sn

-

Cng tc hon thin trong nh v ngoi nh.

-

Bin php cch m, chng rung, iu ha khng kh v lm kn cc phng khicn thit.

3. Mt bng

3.1.

Mt bng hin trng v mt bng tng th

3.1.1.

Mt bng hin trng v mt bng tng th |c th hin vi t l 1:1000.Trong tr|ng hp buc phi th hin vi nhng t l khc nhau th khi th hin vnphi bo m y nhng quy nh nu trong iu 3.1 ca tiu chun ny.

3.1.2.

Mt bng hin trng phi th hin |c nhng yu cu:

-

Ngi nh hay cng trnh thit k v mi tr|ng xung quanh c lin quan.

-

K hiu mi tn ch h|ng Bc.

-

t nht phi ghi r cao ca mt im xc nh trong h thng nht cao tonquc.

-

cao trung bnh ca mt bng hin trng.

3.1.3.

Xung quanh cng trnh cng cn th hin:

-

Nh hay cng trnh hoc cc phn xy dng vnh cu, tm thi trn khu t,-

Cc |ng dy, h thng ng dn, mng l|i giao thng (st b, ng dn thotn|c, kh t, dn in v.v) vi nhng c tr|ng ca n.

-

Cn ghi r, chnh xc cc yu t v n|c, in v cao ca mch n|c ngmtrong bn v.

Nhng yu t khng th thiu |c l:

-

V tr kim tra, xc nh mc n|c ngm.

-

V tr cy (cy ln) ging n|c, ct in hin c.

-

Kh nng m rng cng trnh trong t|ng lai.

-

Cng vo nh hay cng trnh, s tng.-

cao 0,000 ca cng trnh l gi tr t|ng ng trong h thng nht caoton quc hay vi gi tr t|ng ng ca mt im xc nh, c th ly caoca mi ua ca cng trnh bn cnh lm mc.

-

V tr v cao ca cc im gc nh hay cng trnh, gi tr thc t ca ccim trong h thng nht cao ton quc hay vi mt im c nh c cao xc nh.

3.1.4.

Cn ghi cc kch th|c chnh ca ngi nh hay cng trnh, khong cch gia ccnh hay cng trnh, khong cch t nh hay cng trnh thit k n cc nh hay


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cng trnh hin c. Cc khong cch t mt ngoi b phn cng trnh n |ng hay ranh gii cc h thng |ng giao thng k cn.

3.1.5.

Khi dng k hiu ch|a c quy nh th hin trong bn v th phi c gii thch.|c php nh bng v dng cc |ng nt to dng cho cng trnh nh|ngkhng |c lm nh h|ng ti vic ghi c cc s, ch, k hiu trong bn v.

3.1.6.

Trn bn v mt bng hin trng cn c hnh v s phc mt bng tng th hintrng khu vc xy dng cng trnh bao gm v tr xy dng cng trnh v hintrng c khu vc xung quanh (trch t bn s quy hoch) vi t l 1 : 1000 hoc1 : 25000

3.2.

Mt bng tng

3.2.1.

Mt bng tng |c thit k vi t l:

-

Cho giai on thit k s b v lp lun chng kinh t k thut : 1 : 200

-

Cho giai on thit k k thut v thi cng : 1 : 100

-

Ch cho giai on thit k thi cng : 1 : 50

3.2.2.

Nh hay cng trnh thit k c nhiu tng, gia cc tng c s khc nhau v b

cc, kt cu th tt c cc mt bng ca cc tng u phi th hin. Nu mt bngcc tng ging nhau v b cc, kt cu th ch cn th hin mt mt bng ctr|ng.

3.2.3.

Mt bng tng l hnh ct bng ca ngi nh hay cng trnh. Ng|i ta t|ng t|ngdng mt mt phng ct nm ngang cao cch mt sn khong bng 1/ 3 chiucao ca tng (hoc cao 1m trn mt sn) ct qua ngi nh hay cng trnh.Trong tr|ng hp ca s |c thit k cao hn cao quy |c trn, th mt ctngang |c ly cao ngang qua ca s.

3.2.4.

Bn v mt bng cng trnh giai on thit k s b v lp lun chng kinh t kthut cn th hin:

-

B cc mt bng vi cc kch th|c chnh ca cc phng.-

Cc t|ng, vch, ct.

-

Ca i (c v h|ng ca m), ca s, l t|ng, cu thang

-

Din tch ca phng |c tnh bng m2, |c ghi vo mt gc phng v cgch d|i.

-

Xung quanh mt bng c ghi kch th|c gia cc mng t|ng, cc trc t|ngv tng chiu di (hay rng) ca ngi nh hay cng trnh.

-

cao ca tng (nu cn) so vi cao 0,000 ca cng trnh.

3.2.5.

T|ng chu lc, trong bn v mt bng cho giai on thit k s b, |c th hin:t mc en ton b hoc gch cho. Nu khng dng hai cch trn, phn t|ng b

ct qua |c v bng nt m, phn xa mt phng ct v bng nt mnh. Sn nhch |c php th hin trong tr|ng hp lt bng vt liu c bit, nh|ng n khng|c lm nh h|ng ti vic th hin v lm ri bn v mt bng.

3.2.6.

Ngoi nhng yu cu nh| quy nh trong cc iu 3.2.4. v 3.2.5 bn v mtbng cho giai on thit k k thut cn th hin thm:

-

Nhng l trng trn trn v sn nh.

- ng khi, l s|i, ng thng gi, cc ng dn v thot vi y kch th|c.

-

Cc loi trang thit b b tr c nh trong nh (b tm, b x, chu ra, t


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t|ng, b bp)

3.2.7.

Bn v mt bng cng trnh giai on thit k k thut cn ghi y :

-

Bn trong hnh v: Cc kch th|c hai chiu ca cc b phn bung, phng,tn, s th t, din tch s dng ca chng (trong tr|ng hp cn thit ghi c khiu vt liu lt nn) kch th|c chiu rng, chiu cao bn trong ca ca s,

cao sn ca cc tng so vi cao 0,000 ca cng trnh.-

Bn ngoi hnh v: Kch th|c ca mng t|ng, l ca, khong cch gia cctrc ca ca i, ca s, khong cch gia cc trc ca nhng b|c ct cngtrnh c kt cu khung.

-

Tng kch th|c ca ton cng trnh v cc b phn chnh.

-

Mt bng tng hm v tng trt cn ghi r cao so vi d|i cao 0,000ca cng trnh, pha d|i ghi gi tr t|ng ng ca h thng nht cao tonquc hay cao t|ng ng xc nh ca mt im c nh no .

3.2.8.

Ngoi nhng yu cu nh| cho i vi mt bng giai on thit k k thut, mtbng cho giai on thit k thi cng cn th hin thm:

-

Khung v cu to chnh ca ca.-

Cc kch th|c chnh lin quan ti vic lp rp cc trang thit b c nh.

-

Cc vt liu p t|ng, chn t|ng vt liu chng thm v tt c cc kt cu cnthit phi th hin ph hp vi yu cu t l kch th|c ca hnh v.

3.2.9.

Ngoi nhng yu cu cn ghi trong hnh v mt bng giai on thit k k thut, giai on thi cng cn ghi thm:

-

S th t, kch th|c chiu rng, chiu cao bn trong ca ca.

-

Khong cch bn trong gia trc ca ca vi t|ng gn nht song song vitrc.

-

Khong cch gia |ng trc ca cc ca cng h|ng vi nhau.

-

cao, v tr lin kt, kch th|c ca cc l, ng thng gi, |ng ng thotkhi v kch th|c cn thit cho vic xc nh v tr trong thi cng.

-

Chiu rng cu thang, bc thang, |ng trc ca cu thang, tng kch th|ccu thang, s bc thang theo th t t d|i ln.

-

Chiu cao v dy bu ca s.

-

cao ca t|ng lng

-

Cht l|ng ca gch v va xy t|ng

-

Vt liu p chn t|ng v lt sn nh (c th ghi cng vi tn, din tch catng b phn, t|ng,

-

cao ca mt bng tng so vi cao 0,00 ca nh.-

Khe ln, ca lm v sinh ng khi

-

H thng my iu ha nhit , s|i, trang tr, thit b v sinh trong nh.

3.2.10.

Trong bn v mt bng ca mi bng th hin:

-

Khe ln ca cng trnh nu c

-

V tr ng khi, ng thng hi v cc b phn ca cng trnh c trn mi

-

Kch th|c nh v ca cc b phn vi nhau hoc so vi mt im c nh

-

H|ng thot n|c, cao ca rnh thot n|c, |ng gn phn khu vc thot


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n|c.

3.2.11.

Trn bn v mt bng ca mi dc cn th hin:

-

Tt c cc b phn kt cu nm ngang

-

Nc nh v cc v tr ca cc v ko chnh

-

Cc v ko th hin bng nt t

-

V tr ct, tr-ng khi, mng dn n|c m|a, ng thng gi, t|ng bo v lancan v nhng kt cu thuc cng vic n trong phm vi tng gip mi (gcxp hay khng gian gia trn v mi).

-

Cc ct, tr, t|ng chu lc pha d|i sn tng gip mi th hin bng nt t

-

V tr nhng l trng ly nh sng, ca s v cc phn nh trn mi dc.

3.2.12.

Cc cu kin c sn (panen sn, t|ng) cn th hin vi yu cu ca h s kthut ring. Trn bn v mt bng thi cng phi dng k hiu thng nht cho tt ccc cu kin trong ton b h s k thut. Nht thit phi ghi y kch th|ccn thit cho vic lp t cc cu kin.

3.2.13.

Trn bn v thi cng mt bng tng cn c:

-

Bn lit k ca s, ca i, cng, cnh ca.

-

Bn lit k lanh t.

-

Bn lit k cc chi tit bng kim loi cn cho vic lp rp.

-

Bn lit k trang thit b.

3.3.

Trn bn v thi cng mt bng sn cn th hin:

-

Trc ta ca nh hoc cng trnh (trc phn ngoi, khe ln, ranh giich c kiu sn khc

-

Khong cch gia cc trc ngoi cng.

-

T|ng, vch ngn ca nh.

-

Cng ra vo.

-

|ng st, |ng ray cng ngh.

-

Ranh gii gia nhng ch sn c kt cu khc nhau.

-

Cc kiu sn trong cc phng ca cng trnh.

-

Kch th|c ch ni: |ng ng, rnh thot n|c, phu thu n|c m b che lpbi cc kt cu ca sn.

-

Ch ni gia trc |ng chy ca cn cu vi trc ta nh hoc cng trnh.Trong tr|ng hp cn thit phi th hin vng lm vic ca cn cu.

-

nh du nhng vng hoc ch c th sinh ra n, chy.

-

V ring cc chi tit lin kt sn vi kt cu nh, chi tit cc b phn sn m ch lin kt vi sn c kt cu khc nhau (ch kh lm)

3.4.

S lp t cu kin trong h s bn v thi cng cn th hin:

-

V tr cc cu kin vi y k hiu v kch th|c lp t.

-

|ng chy ca cn cu, phm vi lm vic ca chng.

4. Mt ct

4.1.

Mt ct trong h s thit k s b hoc lp lun chng kinh t k thut |c th hinvi t l 1 : 200 v phi ghi r:


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-

Kch th|c cao ca cc b phn, ghi theo ph|ng thng ng ca cng trnhthit k.

-

cao cc tng, mi so vi cao 0,00 ca cng trnh. Trn mt ct khng cnghi k hiu v kt cu ca cng trnh.

4.2.

Mt ct trong h s k thut |c th hin vi t l 1 : 100 hoc 1 : 50 v phi th

hin:-

Khng gian bn trong ca cng trnh, nhng ch c tr|ng nht.

-

cao v kt cu cc b phn cng trnh.

4.2.1.

Bn trong hnh v mt ct phi ghi y .

-

Kch th|c chiu cao bn trong v cao kt cu ca cc phng.

-

cao ca cc tng so vi cao 0,00

-

Tn cc tng.

4.2.2.

Bn ngoi hnh v mt ct cn ghi y :

-

Chiu cao ca cnh ca v khong cch gia cc ca

-

Kch th|c tng b phn chnh v tng kch th|c ca cng trnh.-

cao ca ng khi, nc nh ,mi ua so vi cao 0,00 ca cng trnh.

-

cao ca mc n|c ngm |c xc nh

-

t nguyn th v t tn nn.

-

cao 0,00 ca cng trnh so vi cao thc theo h thng nht cao tonquc, hay sovi cao ca mt im c nh no .

-

Vt liu lt h bao quanh cng trnh, vt liu thng thm v cu to sn nn.

4.3.

Mt ct trong h s thi cng |c thc hin vi t l 1 : 100 hoc 1 : 50 v phi thhin thm ngoi nhng yu cu ca h s k thut.

-

Nhng k hiu quy nh v vt liu ca cc b phn kt cu ct qua.

-

Cu to cu thang bao gm:

Kch th|c chiu cao, chiu di v thang

Kch th|c cc bc thang

Vt liu lt

-

Chiu cao ca lan can, tay vn

-

Cc kch th|c v vt liu ca lan can, tay vn

-

Cc kch th|c su ca phn mng cng trnh

-

Tng kch th|c chiu rng ca mi4.3.1.

Bn trong hnh v cn ghi thm ngoi nhng yu cu i vi bn v mt ct kthut:

-

Cc kch th|c chiu cao ca ca, dm, lan can, bu ca s so vi sn hoc trnnh.

-

Kch th|c chiu cao kt cu bn trong ca cc b phn nm trong t|ng chulc.

-

cao ca sn v trn ca tng.


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-

Cc lp cu to ca sn v ca mi bng

4.3.2.

Bn ngoi hnh v cn ghi thm ngoi nhng yu cu i vi bn v mt ct kthut:

-

Kch th|c chiu cao bn ngoi ca, lan can, mi ua so vi cao 0,000 cacng trnh.

-

Kch th|c cao ca cc b phn v ton b cng trnh.-

Kch th|c chiu ngang c tr|ng ca ton b cng trnh

4.3.3.

Trong tr|ng hp mi dc kt cu g th cn th hin:

-

Tt c cc mt ct c tr|ng ca kt cu mi.

-

Mi kch th|c kt cu mt ct ca cc b phn g.

-

Cc kch th|c v tr cao ca x g, n tay v khong cch gia chng

5. Mt ng

5.1.

Mt ng trong h s thit k s b v lp lun chng kinh t k thut |c th hinvi t l: 1 : 200

5.1.1.

Trong h s thit k s b cn th hin:-

Mt ng chnh ca cng trnh

-

Nhng mt ng c tr|ng ca cng trnh

5.1.2.

Trong bn v mt ng cn th hin:

-

cao 0,00 ca cng trnh, cao ca nh mi v mi ua.

-

Ca i, ca s cn phi chia khong cch chnh xc, nh|ng khng cn th hincc nt chi tit.

-

ng khi, ng thng hi hay cc b phn xy dng trn mi nhn thy trn mtng.

-

Mt phn hay ton b cng trnh tip gip nu c.5.1.3.

Trong tr|ng hp h s thit k nu trn |c th hin nhng t l kch th|c lnhn, th vn p dng nhng ni dung quy nh trong iu 5.1.

5.2.

Mt ng trong h s thit k k thut |c th hin vi t l 1 : 100 hoc 1 : 50

5.2.1.

Trong h s thit k k thut cn th hin tt c mi mt ng ca cng trnh

5.2.2.

Trong bn v mt ng cn th hin:

-

Nhng b phn bn ngoi tc ng, lin quan ti kin trc, din tch t|ngca cng trnh (kch th|c chia cc ca i, ca s, hnh th to dng ngh thutkin trc, ng dn n|c, t|ng chu la, ng khi v.v...)

-

Mt phn mt ng ca cng trnh tip gip nu c. Trong tr|ng hp cng

trnh tip gip l di tch lch s, i k nim th phi th hin ton b, (c thdng hnh nh th hin).

-

cao ca cc tng, nc nh, mi ua, ng khi so vi ct 0,000 ca cngtrnh.

5.3.

Mt ng trong h s thit k thi cng |c th hin vi t l 1 : 100 hoc 1 : 50.

5.3.1.

H s thit k mt ng cho thi cng bao gm tt c cc mt ng cng trnh.Trong tr|ng hp cc mt ng b che khut th th hin kt hp vi mt ct.

5.3.2.

H s thit k cho thi cng ch |c php th hin bng |ng nt mnh.


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5.3.3.

H s thit k cc mt ng cho thi cng phi th hin:

-

Cc chi tit, b phn nh h|ng ti b ngoi ca mt ng cng trnh (mngt|ng, kch th|c chia ca s, hnh t|ng to dng ngh thut, ng dn n|c,lan can, bu ca, ng khi v.v...)

-

Mt phn ca mt ng cng trnh tip gip, tr|ng hp cng trnh tip gip l

di tch lch s, i k nim th phi th hin ton b (c th dng hnh nh).-

cao ca ng khi, nc nh mi ua so vi cao 0,00 ca cng trnh

-

Ch thch cc vt liu to dng, trang tr cc mng t|ng nu c.

5.3.4.

Trong tr|ng hp xy bng gch mc, hoc t|ng c trt va th cn phi ghi:

-

cao vng mi ua

-

S hng gch lin kt vi mng (chn t|ng)

-

Kch th|c chiu cao ca v khong cch gia cc ca s vi nhau.

6. Chi tit cu to kin trc

6.1.

Cc chi tit cu to ca cc b phn kt cu trong cng trnh ch yu |c th hin

theo t l t 1 : 20 n 1 : 16.1.1.

Ni dung ca bn v chi tit cn th hin:

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Cc chi tit cu to c tr|ng nht ca cc b phn kt cu

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Vt liu s dng, cc kch th|c chi tit, s th t chi tit.

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Trong mt bn v nu cc chi tit |c th hin cc t l khc nhau th bncnh hnh v phi ghi t l kch th|c s dng.

6.1.2.

Trong cc hnh v chi tit t l 1 : 5, 1 : 2 ty thuc vo mt nt v c th ghitn cc lp cu to ca chi tit trn phn ct hoc bn ngoi, hnh v.

6.1.3.

Trong cc hnh v chi tit t l 1: 1 khng cn k hiu vt liu s dng, |ngkch th|c v s kch th|c.

6.1.4.

Cc bn v chi tit dng t sn xut tr|c |ng th hin vi t l 1 : 20 n1:1. C th tham kho cc t l d|i y:

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Khun ca, chi tit p chn t|ng

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Khung mi ua, khun ca, vt liu p chn t|ng, t l 1 : 20, 1 : 10, 1 :5, 1 :2, 1 : 1.

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Thit b ng khi: 1 : 10

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B phn n khi ko di: 1 : 50, 1 : 20

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Cu thang: 1 : 20, 1 : 10 hoc 1 : 1

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Lan can, tay vn: 1 : 20 hoc 1 : 2

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Cc b phn cu to kim loi mng, cc cu to ca mi bng 1 : 5, 1 : 2 hoc1 : 1

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Cu to ca khe ln 1 : 2 hoc 1 : 1

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Nhng cu to ca kt cu mi bng g, ca cng, ca s: 1 : 20, 1 : 10, 1 : 5

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Nhng bn v chi tit hoa, ra: 1 : 10, 1 : 10, 1 : 5, 1 : 2, 1 : 1.

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Hng ro: 1 : 20, 1 : 5.

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Kt cu ca: mt ng: 1 : 20, 1 : 10.

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Chi tit : 1 : 5, 1 : 2, 1 : 1.

tcvn 5671_1992 he thong tai lieu ho so kien truc

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