B Xy dng

B Xy dng--------cng ho x hi ch ngha Vit Nam

c lp - T do - Hnh phc

S: 26/2004/Q-BXD----------

H ni, ngy 02 thng 11 nm 2004

Quyt nh ca b trng B Xy dng

V vic ban hnh TCXDVN 323 : 2004 "Nh cao tng - Tiu chun thit k "

b trng B Xy dng

- Cn c Ngh nh s 36 / 2003 / N-CP ngy 4 / 4 / 2003 ca Chnh ph quy nh chc nng, nhim v, quyn hn v c cu t chc ca B Xy dng.

- Cn c Bin bn ngy 23 / 3/ 2004 ca Hi ng Khoa hc k thut chuyn ngnh nghim thu d tho tiu chun " Nh cao tng - Tiu chun thit k "

- Xt ngh ca Vin trng Vin Nghin cu Kin trc ti cng vn s 481 / VNCKT-TC ngy 24 / 9 / 2004 v V trng V Khoa hc Cng ngh

quyt nh

iu 1: Ban hnh km theo quyt nh ny 01 Tiu chun xy dng Vit Nam :

TCXDVN 323 : 2004 " Nh cao tng - Tiu chun thit k "

iu 2: Quyt nh ny c hiu lc sau 15 ngy k t ngy ng cng bo

iu 3: Cc ng: Chnh vn phng B, V trng V Khoa hc Cng ngh, Vin trng Vin Nghin cu Kin trc v Th trng cc n v c lin quan chu trch nhim thi hnh Quyt nh ny ./.

B trng b xy dng

Ni nhn:

- Nh iu 3

- VP Chnh Ph

- Cng bo

- B T php k

- V Php ch

- Lu VP&V KHCN

Nguyn Hng Qun

TCXDVN

Tiu chun xy dng vit nam

TCXDVN 323: 2004

Nh cao tng- TIu chun thit k

High rise apartment building- Design standard

H Ni- 2004

Li ni u

TCXDVN 323: 2004- Nh cao tng- Tiu chun thit k quy nh cc yu cu k thut thit k nh cn h cao tng, c B Xy dng ban hnh theo Quyt nh s ngy thng nm 2004.

Tiu chun xy dng Vit nam

Nh cao tng- TIu chun thit k

High rise apartment building- Design standard

1. Phm vi p dng

Tiu chun ny p dng thit k nh cn h c chiu cao t 9 tng n 40 tng

Ch thch: Khi thit k nh di 9 tng v nh tp th kiu k tc x c th tham kho tiu chun ny.

2. Ti liu vin dn

B Quy chun xy dng Vit Nam

TCVN 2737-1995- Ti trng v tc ng- Tiu chun thit k

TCVN 6160-1996- Phng chy, cha chy- Nh cao tng- Yu cu thit k

TCVN 5760-1993- H thng cha chy- Yu cu chung v thit k, lp t v s dng

TCVN 5738: 2001- H thng bo chy- Yu cu k thut

TCVN 5687-1992- Thng gi, iu tit khng kh v si m- Tiu chun thit k

TCVN 4474-1987- Thot nc bn trong- Tiu chun thit k

TCVN 4513-1988- Cp nc bn trong- Tiu chun thit k

TCVN 4605-1988- K thut nhit- kt cu ngn che- Tiu chun thit k

TCVN 5744-1993- Thang my-Yu cu an ton trong lp t v s dng

TCXD 16-1986- Chiu sng nhn to trong cng trnh dn dng

TCXD 29-1991- Chiu sng t nhin trong cng trnh dn dng

TCXD 25-1991- t ng dy dn in trong nh v cng trnh cng cng-Tiu chun thit k

TCXD 27-1991- t thit b in trong nh v cng trnh cng cng-Tiu chun thit k

TCXD 198-1997- Nh cao tng-Thit k kt cu b tng ct thp ton khi

TCXDVN 266-2002. Nh - Hng dn xy dng cng trnh m bo ngi tn tt tip cn s dng

3. Gii thch t ng

3.1. Mt xy dng: l t s ca din tch xy dng cng trnh trn din tch l t (%):

Din tch xy dng cng trnh (m2) x 100%

Din tch l t (m2)

Trong din tch xy dng cng trnh c tnh theo hnh chiu mt bng mi cng trnh.

3.2. H s s dng t: l t s ca tng din tch sn ton cng trnh trn din tch l t:

HSD = Tng din tch sn ton cng trnh

Din tch l t

Trong tng din tch sn ton cng trnh khng bao gm din tch sn ca tng hm v mi.

4. Quy nh chung

4.1.Thit k nh cao tng phi m bo an ton, bn vng, thch dng, m quan, ph hp vi iu kin kh hu, t nhin v nhu cu s dng ca cng ng.

4.2. Thit k nh cao tng cn a dng v quy m cn h p ng nhu cu v ph hp vi xu th pht trin ca x hi, thun tin cho vic s dng v qun l cng trnh.

4.3. Thit k cn h trong nh cao tng phi m bo cc iu kin v an ninh, chng n, tm nhn cnh quan v v sinh mi trng ng thi m bo tnh c lp, khp kn, tin nghi v an ton s dng.

4.4. Nh cao tng cn m bo thun li cho ngi s dng tip cn vi cc trang thit b v h thng cung cp dch v nh iu ho khng kh, cp ga, cp truyn hnh, in thoi, vin thng, thu gom rc v.v...

4.5. Thit k nh cao tng phi tnh n tc ng ca ng t v gi bo nh quy nh trong cc tiu chun hin hnh.

4.5.1. C gii php thit k ph hp vi iu kin c th ca cng trnh. Nn s dng h kt cu b tng ct thp ton khi. H kt cu chu lc ca nh cao tng phi r rng, mch lc.

4.5.2. Nn la chn gii php t chc mt bng v hnh khi nhm m bo tng cng cng trnh

4.6. Thit k kt cu cng trnh nh cao tng phi bo m bn vng, n nh c bin dng nm trong gii hn cho php..

4.7. Vic b tr khe ln, khe co gin phi tun theo cc quy nh ca tiu chun hin hnh.

4.8. Kt cu tng bao che bn ngoi nh phi m bo an ton, chng thm, cch nhit v chng n.

5. Yu cu v quy hoch tng th trong khu th mi

5.1. Khu t xy dng nh cao tng phi m bo cc nguyn tc c bn sau y:

a) Ph hp vi quy hoch c duyt;

b) C h thng h tng k thut ng b, p ng yu cu hin ti v pht trin trong tng lai;

c) m bo an ton phng chng chy n, thun tin cho vic cha chy v m bo v sinh mi trng.

Ch thch : Ch xy dng nh cao tng xen cy trong cc khu th c khi m bo c ngun cung cp dch v h tng cho cng trnh nh in, cp thot nc, giao thng v m bo vic u ni vi kt cu h tng ca khu th.

5.2. Tu thuc vo yu cu quy hoch xy dng, kin trc cnh quan th, nh cao tng c thit k theo cao khng ch m quy hoch th quy nh cho tng vng.

5.3. Phi bo m mt xy dng khng vt qu 40% v h s s dng t khng vt qu 5,0 khi thit k nh cao tng trong cc khu th mi.

Ch thch: 1) Quy nh trn p dng cho khu nh chung c cao tng bao gm cc khng gian chc nng khc nhau nh quy nh iu 5.4.

2) Mt xy dng nh quy nh trn c tnh n din tch xy dng ca cc cng trnh khc trong khu th nh nh thp tng, cng trnh phc v cng cng...

3) i vi nh cao tng c xy trn mt l t trong cc th c th mt xy dng v h s s dng t c xem xt theo iu kin c th ca l t v c cc cp c thm quyn ph duyt.

5.4. Cc khng gian chc nng trong khu th mi bao gm:

- Khng gian chc nng ;

- Khng gian chc nng vn ho, gio dc;

- Khng gian chc nng dch v, thng mi;

- Khng gian chc nng ngh ngi, gii tr;

- Khng gian chc nng giao thng tnh v ng;

- Khng gian chc nng qun l hnh chnh khu ;

- Khng gian chc nng lm vic.

- H thng k thut h tng.

5.5. B cc nh cao tng phi m bo cc yu cu v phng chy, cha chy, chiu sng, thng gi, chng n, khong cch ly v sinh, ng thi ph hp nhng yu cu di y:

a) Gii quyt tt mi quan h gia vic xy dng hin ti v d kin pht trin tng lai, gia cng trnh xy dng kin c vi cng trnh xy dng tm thi;

b) Tn dng thng gi t nhin mt v ma h, hn ch gi lnh v ma ng, trnh to thnh vng p lc gi;

c) Thun tin cho vic thit k ng b h thng h tng k thut: cung cp in, nc, thot nc, trang thit b k thut, thng tin lin lc, cp ga, giao thng, sn vn, cng v tng ro.

5.6. H thng thot nc sinh hot v h thng thot nc ma phi c thit k tch ring. Nu h thng thot nc khng u ni vi h thng thot nc chung ca th th nc thi sinh hot phi c x l t tiu chun trc khi x ra khu vc thot nc ca th.

5.7. Tu thuc vo t chc quy hoch khng gian kin trc, chiu cao cng trnh v chiu rng ca l gii, khong li ti thiu ca nh cao tng khng c nh hn 6m.

5.8. Khong cch gia cc mt nh i din ca hai nh cao tng c lp phi m bo iu kin thng gi, chiu sng t nhin, an ton khi c chy v khng c nh hn 25m (xem hnh 1).

a) Hai nh song song

b) Hai nh so le

c) Hai nh vung gc

c) Hai nh u hi

L- khong cch gi hai mt nh i din

Hnh 1. Khong cch ti thiu gia hai nh

5.9. m bo khong cch an ton phng chng chy trong khu nh cao tng, ng dnh cho xe cha chy phi c chiu rng thng thu khng nh hn 3,5m v chiu cao thng thu khng nh hn 4,25m. Cui ng ct phi c khong trng quay xe. Kch thc ch quay xe khng nh hn 15m x 15m.

5.10. Khi xy dng nh cao tng phi b tr ch xe. Ch xe c th t trong cng trnh hoc ngoi cng trnh. Din tch tnh ton ch xe c ly nh sau:

- Ch xe t: tnh t 4 h n 6 h c 1 ch xe vi tiu chun din tch l 25m2//xe;

- Ch xe mt, xe my: tnh 2 xe my/h vi tiu chun din tch t 2,5m2/xe n 3,0m2/xe v 1 xe p/h vi tiu chun din tch: 0,9m2/xe.

6. Ni dung v gii php thit k cng trnh

6.1. Khi thit k nh cao tng cn phi cn c vo cc hot ng trong cng trnh, i tng s dng, yu t tm l, iu kin kinh t x hi, iu kin kh hu t nhin v xu th pht trin nh cao tng trong tng lai xc nh c cu cn h v la chn gii php thit k cho ph hp.

6.2. Cc loi khng gian chc nng trong nh cao tng:

- Khng gian chc nng giao tip: snh chnh vo nh, snh tng, phng a nng (phng s dng cho hot ng sinh hot tp th, hi hp...);

- Khng gian chc nng dch v cng cng : dch v sa cha dng gia nh, ch xe chung, cc dch v cng cng, vn ho...;

- Khng gian chc nng qun l hnh chnh: phng qun l hnh chnh v qun l k thut ngi nh;

- Khng gian chc nng : cc cn h;

- Khng gian chc nng giao thng : cu thang b, hnh lang, thang my;

- Khng gian k thut : cc bung t thit b in, nc , thu gom rc...

6.2.1. Khng gian chc nng giao tip trong nh cao tng 6.2.1.1. Snh chnh vo nh cao tng phi d dng nhn bit. Snh cn c b tr thm cc chc nng cng cng nh thng trc, bo v, ch i, hm th bo ca cc gia nh v.v...

6.2.1.2. Trong nh cao tng cn b tr phng a nng ca to nh. Phng a nng c b tr tng 1 kt hp vi snh hoc c th b tr trn mi hoc trong tng phc v cng cng, c dng vo cc mc ch sinh hot hi hp ca cc t chc, on th, cu lc b hoc phc v cc nhu cu th thao vn ho ca cng ng sng trong ngi nh.

Tiu chun din tch c tnh t 0,8m2/ ch ngi n 1,0m2/ ch ngi vi din tch khng nh hn 36m2.

6.2.1.3. Snh tng nn c din tch ti thiu l 9m2 v c chiu sng ph hp vi cc hot ng giao tip hng ngy.

6.2.2. Khng gian chc nng phc v cng cng trong nh cao tng 6.2.2.1. Cc khng gian chc nng phc v cng cng trong nh cao tng c th c thit k tp trung hoc phn tn theo cc tng ca to nh.

6.2.2.2. T chc phc v cng cng trong nh cao tng phi theo n nguyn v lin h vi kh nng phc v cng cng trong khu th.

6.2.2.3. m bo an ton v v sinh mi trng, trong nh cao tng khng b tr cc ca hng kinh doanh vt liu xy dng, ho cht, cc loi hng ho gy nhim mi trng, cc ca hng bun bn vt liu chy, n, ca hng n ung cng cng c bp nu, nh tm cng cng, xng hi, nh git, nh v sinh cng cng...

6.2.3. Khng gian chc nng qun l hnh chnh v qun l k thut

6.2.3.1. Trong nh cao tng cn phi b tr phng cho cc nhn vin qun l nh, trng gi xe, bo v, dch v k thut.

6.2.3.2. Tu thuc vo iu kin c th m cc khng gian trn c b tr tng hm hay tng mt ca to nh. Din tch phng lm vic c tnh t 5m2/ngi n 6m2/ngi.

Mi tng cn c mt phng k thut.

6.2.4. Khng gian chc nng ca cn h

6.2.4.1. Cc khng gian chc nng ca cn h trong nh cao tng, bao gm:

Snh cn h;

Phng khch- sinh hot chung;

Ch lm vic, hc tp;

Ch th cng t tin;

Cc phng ng;

Phng n;

Bp;

Phng v sinh;

Ch git gi, phi qun o;

Ban cng hoc logia;

Kho cha .

6.2.4.2. Tu theo mc ch s dng c th b tr kt hp cc loi khng gian chc nng trn nh sau :

- Snh cn h: lin h trc tip vi phng khch, kt hp lm ch m o, giy dp...

- Phng khch- sinh hot chung: c th m thng vi bp, phng n v ban cng hoc lgia.

- Ch lm vic, hc tp: c th kt hp vi phng ng;

- Phng n: c th kt hp vi bp hoc phng sinh hot chung;

- Bp- kt hp vi phng n: c li vo trc tip, gn ban cng hoc l gia, gn h thng k thut (cp thot nc, cp ga)...;

- Phng v sinh: b tr chung hoc b tr theo phng ng.

- Ch git gi, phi qun o: b tr trong phng v sinh chung ;

- Ban cng hoc lgia: c thit k gn lin vi phng sinh hot chung v phng ng. C th dng ban cng hoc l gia lm ch cy cnh hoc phi qun o.

- Kho cha : c th kt hp vi khng gian t tng trong cc phng ng, khng gian st trn hoc trong cc hc tng...

- Ch b tr bn th t tin: c th b tr trong phng sinh hot chung hoc kt hp vi khng gian lm vic hoc phng ring.

(Hnh 2 minh ho mt bng mt n nguyn in hnh v mt bng mt cn h in hnh).6.2.4.3. Vic b tr cc bung, phng trong cn h phi m bo cc yu cu sau:

- Hp l v dy chuyn s dng, m bo c lp, khp kn, to khng gian kin trc hi ho;

- C kh nng chuyn i linh hot. S dng hp l, an ton, khng ph v cu trc v bn vng cng trnh; C khng gian rng, thong, b cc m tng hiu qu khng gian kin trc cn h;

- Bo m yu cu v sinh v iu kin vi kh hu cho cn h.

6.2.4.4. m bo an ton v tin nghi s dng, cc tm tng ngn cch gia cc cn h phi lm bng vt liu c bn chc v cch m.

6.2.4.5. T tng 6 tr ln khng c thit k ban cng, ch c thit k l gia. Lan can l gia khng c h chn v c chiu cao khng nh hn 1,2m.

6.2.4.6. i vi cn h dnh cho ngi tn tt cn tham kho tiu chun Nh -Hng dn xy dng cng trnh m bo ngi tn tt tip cn s dng.

6.2.4.7. S lng cn h hp l ca mt tng trong mt n nguyn ca nh cao tng nn t 4 cn h n 6 cn h, c b tr xung quanh mt nt giao thng thang b, thang my.

6.2.4.8. S phng ti thiu trong mt cn h khng nh hn 2.

6.2.4.9. Din tch cn h khng nn nh hn 50 m2 .

6.2.4.10. Cc cn h trong nh cao tng c phn thnh 3 loi: nh (A), trung bnh (B) v ln (C). T l s lng cc cn h gia loi nh, trung bnh v ln l 1: 2: 1.

Din tch v mc tin nghi ca cc loi cn h tham kho trong bng 1.

6.2.4.11. Tiu chun din tch s dng ti thiu mt s b phn c bn trong cn h c quy nh nh sau:

- Snh cn h: 3m2;

- Phng khch- phng sinh hot chung: 14m2;

- Phng ng i: 12m2;

- Phng ng n: 10m2

- Phng v sinh c bn tm : 5m2; tm hng sen: 3m2

- Bp nu : 5m2;

- Bp kt hp vi phng n : 12m2

6.2.4.12. Chiu cao thng thu cc phng khng c nh hn 3m v khng c ln hn 3,6m.

Ch thch : Chiu cao thng thu l chiu cao t mt sn n mt di ca trn .

6.2.4.13. Phng bp, phng v sinh c th c thit k thp hn nhng khng c nh hn 2,4m.

Bng 1. PHn loi cn h v mc tin nghi

Loi cn hMc tin nghiTiu chun S phng

Ngi/hTin nghiDin tch (m2)

AA11- 2Trung bnhp ng yu cu s dng ( 502

A2Khy 55-602

A3Cao Cao cp65-702-3

BB13-4Trung bnhp ng yu cu s dng75-803

B2Khy 85-904

B3Cao Cao cp 95-1004-5

CC15-6Trung bnhp ng yu cu s dng105-1105

C2Khy 115-1206

C3Cao Cao cp >1256-7

Ch thch:

1) S phng c tnh bao gm phng khch- phng sinh hot chung, phng lm vic, hc tp, gii tr v phng ng.

2) Cc cn h t mc tin nghi trung bnh, kh, cao ph thuc vo cc iu kin sau:

Vt liu v cht lng hon thin ni tht cn h;

Trang thit b bp v v sinh;

Tiu chun din tch (quy m v c cu phng );

Tm nhn cnh quan ca cc phng trong cn h.

6.2.5. Khng gian chc nng giao thng trong nh cao tng

Giao thng ng trong nh cao tng bao gm cu thang b v thang my.

6.2.5.1. Cu thang b

6.2.5.1.1. Cu thang b c thit k v b tr phi p ng yu cu s dng v thot ngi an ton. S lng cu thang b ca mt n nguyn trong nh cao tng khng c nh hn 2, trong t nht c mt thang trc tip vi tng 1 v mt thang ln c tng mi.

Ch thch : Trng hp c mt thang b tr tip gip vi bn ngoi th ch cn c 1 thang b.

6.2.5.1.2. Chiu rng thng thu ca bung thang ngoi vic p ng quy nh ca tiu chun phng chy, cn phi da vo c trng s dng ca cng trnh. Chiu rng mt v thang ca cu thang dng thot ngi khi c s c c thit k khng nh hn 1,2m.

6.2.5.1.3. Chiu cao ca mt t thang khng c ln hn 1,8m v phi b tr chiu ngh. Chiu rng chiu ngh ln hn hoc bng chiu rng v thang.

6.2.5.1.4. Cu thang t nht phi c mt pha c tay vn. Chiu cao tay vn ca cu thang tnh t mi bc thang khng c nh hn 0,9m.

6.2.5.1.5. Chiu cao bc thang khng c ln hn 150mm, chiu rng bc thang khng nh hn 300mm.

6.2.5.1.6. Trong bung thang cho php b tr ca thu rc, bng in, hm th... ca tng tng.

6.2.5.1.7. Khong cch tnh t ca cn h n cu thang hoc n li ra ngoi nh khng c ln hn 25m

6.2.5.1.8. Khi thit k cu thang trong nh cao tng phi ch n yu cu thot khi khi xy ra s c.

6.2.5.1.9. Hnh lang, phng m, snh phi c h thng thng gi v van thot khi t ng m khi c chy.

6.2.5.2.Thang my

6.2.5.2.1. Khi thit k nh cao tng phi b tr thang my. S lng thang my phi ph hp vi yu cu s dng nhng khng c t hn 2, trong c mt thang chuyn dng .

6.2.5.2.2. Vic thit k v la chn thang my trong nh cao tng phi cn c vo:

- S tng v cao tng;

- S cn h trong to nh;

- Lng ngi cn vn chuyn ti a trong thi gian cao im;

- Yu cu v cht lng phc v;

- Cc yu cu k thut khc.

6.2.5.2.3. Trng ti thang my phi c sc ti t 420 kg n 630kg. Tc thang my c b tr trong nh cao tng khng nh hn 1,5m/s.

Ch thch:

1). Phi b tr mt thang my c kch thc cabin 2.200mm x 2.400mm ch c, bng ca cp cu trong trng hp cn thit

2). Trng hp c yu cu c bit th s lng thang my, sc ti v tc thang my do thit k quy nh.

6.2.5.2.4. Ngoi vic xc nh cc thng s k thut ca thang my cng cn tnh n gii php thit k ging thang, phng t my v thit b, cc yu t v kinh t, din tch chim ch ca thang.

6.2.5.2.5. Thang my c b tr gn li vo chnh ca to nh. Ca bin thang my phi b tr tay vn v bng iu khin cho ngi tn tt s dng.

Ch thch:

Yu cu thit k cho ngi tn tt tip cn s dng cn tun theo cc quy nh trong tiu chun Nh - Hng dn xy dng cng trnh m bo ngi tn tt tip cn s dng6.2.5.2.6. Khi c s c thang my phi c kh nng t ng chy v tng gn nht v t ng m ca.

6.2.5.2.7. Gian t my v thit b thang my khng c b tr trc tip trn phng m c b tr trn ging thang. Ging thang khng c b tr k bn phng v phi c bin php chng n, chng chn ng.

6.2.5.2.8. Khng c b tr trc tip b nc trn ging thang v khng cho cc ng ng cp nc, cp nhit, cp ga i qua ging thang.

6.2.5.2.9. Phi m bo thng gi, cch nhit, chng m, chng n v chng s gim p cho ging thang.

6.2.5.2.10. Ca thang my khng nn tip gip vi cu thang b trnh n tc cn tr thot ngi khi xy ra ho hon.

6.2.5.2.11. Khng s dng thang my lm li thot ngi khi c s c.

6.2.5.2.12. Vic lp t v s dng thang my cn tun theo cc quy nh trong tiu chun Thang my. Yu cu an ton trong lp t v s dng.

6.2.6. Khng gian k thut6.2.6.1. Khng gian k thut trong nh cao tng c b tr trong tng hm hoc tng k thut ca to nh.Ch thch: Khi s dng tng hm lm tng k thut phi c bin php thot nc v chng thm hiu qu..

6.2.6.2. Chiu cao thng thu ca tng k thut c xc nh trong tng trng hp c th, tu thuc vo loi thit b v h thng b tr trong tng k thut c tnh ti iu kin vn hnh s dng.

6.2.6.3. Cn b tr l thng gi cho tng k thut vi tng din tch cc l thng gi khng nh hn 1/400 din tch sn ca tng k thut v phn b u trn chu vi tng ngoi. Din tch ca mi l thng gi ti thiu 0,05m2.

6.2.6.4. Trong tng k thut, cc ca ngn chng chy phi lm bng vt liu chng chy theo nh quy nh trong cc tiu chun hin hnh v phng chy, chng chy cho nh v cng trnh.

6.2.7. Tng hm

6.2.7.1. Tng hm c th c s dng lm tng k thut, ch xe, b tr t in v my bm nc cho to nh.

Ch thch: Tng hm trong nh cao tng cn tnh n kh nng phng th dn s trong trng hp cn thit.

6.2.7.2. Chiu cao tng hm khng nn nh hn 2,2m. i vi cc khng gian s dng cho hot ng cng cng nh hi hp, sinh hot cng ng, chiu cao thit k c ly theo yu cu s dng.

6.2.7.3. Phi thit k c mt thang my xung ti tng hm ca to nh.

6.2.7.4. Cc li ra t tng hm khng c thng vi hnh lang ca to nh m phi b tr trc tip ra ngoi. S lng li ra khng c t hn 2 v c kch thc khng nh hn 0,9m x1,2m.

6.2.7.5. Phi c gii php chng thm v thng gi cho tng hm.

6.2.8. Mi

6.2.8.1. Mi ca nh cao tng phi m bo chc nng cch nhit v chng thm. Cn la chn vt liu v kt cu mi ph hp vi yu cu cch nhit, chng m v thot nc ma.

6.2.8.2. Trn mi nh cao tng c th lp t b nc, cc ming ht, x kh, iu ho trung tm (nu c), thang my, thit b chuyn dng ...

6.2.8.3. H thng cc c cu phc v cng tc bo tr, bo dng mt ngoi nh trong qu trnh s dng phi c neo chc chn vo kt cu chu lc ca mi.

6.2.8.4. Trn mi phi c h thng thu nc ma bng sn dn n cc ng ng ng thot nc xung h thng thot nc ngoi nh.

6.2.8.5. Phi c bin php chng ng sng, chng thm v chng m cho lp cch nhit ca mi.

6.2.8.6. Lp khng kh cch nhit tng gip mi phi c cao khng lm cn tr ng thng gi.

6.2.9. Ca s

6.2.9.1. Ca s nh cao tng c thit k theo kiu ca lt, ca y, ca trt ng, trt ngang hoc kt hp c hai . Yu cu k thut ca ca c quy nh trong cc tiu chun hin hnh v ca g v ca kim loi.

6.2.9.2. Ca phi m bo an ton v bn c hc, bn chu p lc gi, bn chu thm nc v lt khng kh. Vt liu lm giong m v cc cht kt dnh gia phn knh vi cnh, khung cnh vi khun ca phi bo m yu cu v n hi, dnh kt v bn kn nc.

6.2.9.3. Ngng ca s phi m bo thot nc. L thot nc khng nh hn 5mm2. Cn c chi tit gt nc ma thanh di khung cnh ca s.

6.2.9.4. Khi gia cng lp dng ca phi hn ch thm ng nc gia cc chi tit lp rp. Cc gc lp rp phi c ni ghp chc chn v phng mt. Hm t knh phi tho lp c d dng.

6.2.9.5.Knh s dng cho ca s tng ngoi nh cao tng phi l knh an ton, knh li thp, gim c bc x mt tri v t yu cu trong tiu chun hin hnh v knh an ton. 6.2.10. Nn v sn nh

6.2.10.1. B mt sn v nn ca cc gian phng phi bo m khng trn trt, khng c k h, t b mi mn, d lau chi v chng c nm, m.

6.2.10.2. Sn nh phi m bo khng rung v cch m trong qu trnh s dng. Khng c dng vt liu hoc cc cht ph gia c tnh c hi lm vt liu lt nn.

6.2.10.3. Phi c cc bin php chng m chn tng v ngn nga kh nng cong, vnh, nt v cc lp lt.

6.2.11. ng thng hi, ng thng gi v ng ng rc

6.2.11.1. ng thng hi v ng thng gi t nhin trong nh cao tng phi ph hp vi nhng quy nh di y:

a) ng thng hi v ng thng gi phi lm bng vt liu khng chy; Khng s dng cc loi ng gin, d v;

b) Mt ct, hnh dng, kch thc v mt trong ca ng thng hi v ng thng gi phi thun tin cho vic thot kh d dng, khng lm cn tr, tc, r r khi v thot ngc;

c) Tng din tch mt ct ng thng hi c xc nh cn c vo lng khng kh cn ht trnh hin tng chnh lch p sut gia ng ng thot kh v p sut kh quyn;

d) H thng ng thng hi v thng gi phi c tch ring;

e) ng thng hi v ng thng gi phi vt ln trn mi. Chiu cao nh ln khng c nh hn 0,7m, cch ca s hoc ca ht gi ( 3m theo chiu ngang. Trn nh ng phi c bin php trnh thot ngc.

6.2.11.2. Tu vo iu kin c th, trong nh cao tng c th thu gom rc ti ch t ti cc tng hoc b tr ng ng rc.

Nu thu rc ti ch th ch thu rc ca tng tng c b tr ti cc gc khut gn cu thang b hoc thang my; Phi c bin php chng mi hi bay vo cc cn h.

Nu b tr ng ng rc th khong cch t ca vo cn h n ng ng rc gn nht khng ln hn 25m.

6.2.11.3. Ca thu rc trn ng ng rc ti cc tng phi c np y bng giong kn cch m v ngn nga mi hi, gin, cn trng bay vo cn h.

6.2.11.4 . ng ng rc nn b tr da vo tng ngoi nh, thng ng, ng thi lm bng vt liu khng chy, mt trong nhn, chng bm dnh, khng r r, khng c vt nh ra. gim ting n v trnh nguy c chy trong qu trnh s dng, ng ng rc nn thit k hnh tr trn c ng knh khng nh hn 0,5m, c thit b ra v v sinh ng ng.

6.2.11.5. u ng ng rc phi c ng ng thot hi nh ln trn mi 0,7m. Din tch mt ct khng c nh hn 0,05m2, ng thi phi c b phn chp mi che ma v li chn chng chut, b.

6.2.11.6. Bung thu rc c b tr ngay di ng ng rc tng mt. Chiu cao thng thu ca bung thu rc ti thiu ly 2,5m.

6.2.11.7. Bung thu rc phi c li vo ring v c ca m ra ngoi. Ca bung thu rc c cch ly vi li vo nh bng tng c v c ngn bng tng chng chy.

6.2.11.8. Ca bung thu rc phi m bo khong cch li v sinh. Phng thc thu gom v vn chuyn rc phi ph hp vi phng thc qun l rc ca th. Cn c h thu nc chy t bung thu rc vo h thng thot nc bn hoc b tr my bm thot nc cc b.

6.3. Gii php t hp mt bng v mt ng trong nh cao tng

6.3.1. B tr mt bng nh cao tng phi ph hp vi yu cu s dng, m bo yu cu v thng gi v chiu sng t nhin, ng thi phi c s chu lc hp l, d tp trung h thng k thut nh nt giao thng ng (thang my, thang b), b tr khu v sinh, bp, ng ng cp thot nc, in chiu sng, cp in thoi, cp truyn hnh, vin thng, ng ng cp nc cha chy, ng ng rc, cp ga....

6.3.2. Cc chi tit kin trc trn mt ng ca nh cao tng phi lm bng vt liu c bn cao, trnh ru mc v phi m bo chc nng bao che, thng gi, chiu sng t nhin, che chn nng, chng ma ht.

6.3.3. La chn gii php mt ng n gin, mu sc hi ho vi quy hach tng th, trnh s dng cc chi tit trang tr rm r.

7. Yu cu thit k cp thot nc

7.1. Trong nh cao tng phi thit k h thng cp nc sinh hot v cp nc cha chy nh quy nh trong tiu chun hin hnh .

7.2. Tu theo mc tin nghi, tiu chun dng nc trong ngy dng nc ln nht c tnh t 200lt /ngi/ngy m n 300lt/ngi/ ngy m. Tiu chun nc cha chy ly 2,5lt/giy/ct v s ct nc cha chy bn trong nh ly l 2.

7.3. Cn tn dng trit p lc ng ng cp nc bn ngoi. Khi khng p lc, phi thit k h thng phn vng cp nc m bo lu lng v p lc nc. p lc nc lm vic ca cc dng c v sinh trong h thng cp nc sinh hot khng c ln hn 60m. p lc t do thng xuyn ca cc hng cha chy bn trong nh phi m bo chiu cao ct nc khng thp hn 6m.

Ch thch: i vi khu vc m p lc nc khng cung cp nc cho cc hng cha chy trong nh th cn phi t my bm tng p v c b phn iu khin t xa, b tr ngay ti hng cha chy.

7.4. Phi m bo cp nc lin tc cho nhu cu s dng nc trong nh cao tng.

7.5. Trng hp khng p lc v lu lng nc phi b tr b cha, my bm hoc cc thit b tng p khc.

7.6. Mng li phn phi ca ng ng cp nc bn trong nh cao tng c t trong tng hm, tng k thut nhng khng c t chung vi cc ng ng thng gi v thng hi.7.7. Phi c gii php chng n do hin tng va thu lc cho cc thit b cp thot nc nh van gim p, vi ly nc, my bm...

7.8. gim p lc nc v trnh lng ph nc, trn ng ng dn nc vo hoc trn ng ng nhnh dn nc ti cc im ly nc mi tng cn t cc thit b sau:

- Khi lu lng khng i t rng en (tm chn c l);

- Khi lu lng thay i t thit b iu chnh p lc,

7.9. Phi t kt nc p lc hoc b cha nc trn mi nh cao tng m bo khi lng nc d tr nhm iu chnh ch nc khng i ho v cp nc cha chy trong thi gian 10 pht. Cn c ng phn phi ring m bo lng nc cha chy khng b s dng vo mc ch khc.

Ch thch: Trong mi trng hp, dung tch kt nc p lc khng c ln hn t 25 m3. Nu vt qu quy nh phi chia nh phc v cho mt khu vc cp nc nht nh.7.10. Tiu chun nc thi sinh hot c ly theo tiu chun cp nc v c thit k theo ch t chy. Nu khng th t chy ra h thng thot nc bn ngoi phi thit k trm bm thot nc. Thit k h thng thot nc bn trong cn tun theo quy nh trong tiu chun hin hnh.

7.11. i vi h thng thot nc sinh hot cn tch ring nc phn tiu v nc tm ra, sinh hot.

7.12. Phi thit k h thng thot nc ma trn mi v thot nc ma tng hm. H thng thot nc ma tng hm c thu gom ti cc h ga sau dng my bm t ng bm vo h thng thot nc.

7.13. Cch b tr phu thu nc ma trn mi phi tnh ton da vo mt bng mi, din tch thu nc cho php ca mt phu thu v kt cu mi .8. Yu cu thit k thng gi v iu ho khng kh

8.1. H thng thng gi, iu ho khng kh trong nh cao tng c thit k theo quy nh ca tiu chun hin hnh.

8.2. C th thit k h thng iu ho khng kh trung tm cho cc khng gian phc v cng cng trong to nh. H thng iu ho khng kh trung tm c th l mt t my c lp hoc khng c lp c t ti mt v tr thch hp vi di ca tuyn ng dn kh i v v khng nn ln hn 60m.

8.3. i vi cc cn h nn thit k h thng iu ho khng kh cc b . Phi cha sn v tr lp t cc thit b iu ho v cc ng ng thu nc t my iu ho khng nh hng n kin trc mt ng ca cng trnh v v sinh mi trng.

8.4. Khi thit k h thng thng gi v iu ho khng kh trong nh cao tng phi m bo cc ch tiu gii hn tin nghi vi kh hu trong phng.8.5. Khi thit k h thng thng gi v iu ho khng kh cn phi c cc gii php cng ngh, gii php kin trc v kt cu mt cch hp l nhm m bo yu cu v sinh, tiu chun k thut, tit kim v kinh t.

8.6. m bo thng gi t nhin cn to gi xuyn phng bng ca n gi vo v ca thot gi ra.

8.7. Phi c cc gii php cch nhit, che chn nng theo cc quy nh trong tiu chun hin hnh.

8.8. ng dn gi ca h thng thng gi, iu tit khng kh phi thng ng thi gi v cp gi. Cc ng ng ny c ghp ni cc nhnh ng gi cho mi tng, dng sc y c kh hoc sc y t nhin.

ng nhnh mi tng c ni vo ng ng st trn tng trn hoc tng di so vi tng c ng nhnh.

i vi nh cao t 10 tng tr ln, trn ng nhnh ht gi ca hai tng trn cng v tr u vo ng ngang phi lp van mt chiu t ng.

9. Yu cu thit k in chiu sng, chng st v h thng thng tin lin lc

9.1. Thit k chiu sng cho nh cao tng phi tun theo tiu chun hin hnh v chiu sng. Trit tn dng chiu sng t nhin. Chiu sng t nhin c th l chiu sng bn, chiu sng trn hoc chiu sng hn hp.

Ch thch : Trng hp chiu sng t nhin khng m bo phi s dng chiu sng nhn to chiu sng lm vic, chiu sng s c, chiu sng phn tn ngi v chiu sng bo v .

9.2. Cc gii php kin trc che chn nng khng c nh hng n chiu sng t nhin.9.3. T phn phi in cung cp chiu sng trong nh cao tng phi c b tr phng k thut. Cc t, bng in c t cc tng cp in cho cc cn h v tin qun l, s dng, sa cha v m bo m quan.

9.4. Vic cung cp in t t ,bng in tng n bng in ca tng cn h phi i bng cc tuyn dy hoc cp in dc theo hnh lang v chn ngm vo tng. Trng hp kp ni trong tng k thut phi lun dy qua ng nha t chng chy hoc ng thp

9.5. H thng chiu sng c bo v bng cc ptomt. Cc cng tc iu khin, cm c lp cao 1,20m

9.6. Ti cc khu vc hnh lang, cu thang, snh tng phi b tr chiu sng s c v chiu sng phn tn ngi.

9.7. H thng ng dy dn in phi c thit k c lp vi cc h thng khc v phi m bo d dng thay th, sa cha khi cn thit.. Quy nh lp t ng dy dn in v thit b in c ly theo tiu chun lp t ng dy dn in v thit b in trong nh v cng trnh cng cng.

9.8. Khi thit k nh cao tng phi c bit ch n cc gii php chng st trnh kh nng b st nh thng, chng cm ng tnh in v cm ng in t v chng in p cao ca st lan truyn theo h ng dy cp in h p trong cng trnh . Khuyn khch s dng h thng chng st tin tin, bo m thm m kin trc v chng thm, dt mi.

9.9. Vic la chn gii php chng st c tnh ton theo yu cu trong tiu chun chng st hin hnh.

9.10. Trong nh cao tng cn phi thit k ng b h thng thng tin, lin lc, pht thanh, truyn hnh. Trng hp cn thit c thm h thng iu khin t xa cc thit b k thut.

9.11. Thit k, lp t h thng thng tin lin lc, pht thanh truyn hnh phi tun theo quy nh ca cc tiu chun chuyn ngnh c lin quan. T phn cp c t ti cc phng k thut xy trn b cao 0,5m v c ko ti cc hp u dy t ti cc tng. Hp u dy c t cao trn 1,5m.

9.12. Trong cc cn h, cc cm in thoi t ngm trong tng c b tr cao 0,5m tu theo kin trc ni tht. Mng thu bao in thoi c thit k theo s nguyn l mng hnh tia.

9.13. Ton b dy dn c i ngm trong tng v ko ra hp u dy cc tng, T hp u dy cc tng ko xung t phn cp t tng 1 u ra h thng bn ngoi ca thnh ph.

9.14. Cho php b tr ct ngten thu sng truyn thanh, truyn hnh trn mi nh. Trng hp cn thit, cho php b tr tng gip mi cc thit b thu sng truyn hnh. H thng mng li truyn hnh t t phn phi n cc cn h phi kn, ng thi phi c gii php chng st cho cc ct thu sng truyn hnh.

9.15. m bo an ninh cho ton b to nh nn b tr b kho m li vo ti snh chnh.

9.16. H thng cp ga, kh t tp trung phi tun theo quy nh chuyn ngnh c lin quan

10. Yu cu thit k phng chy chng chy (cc quy nh trong mc ny l yu cu bt buc)

10.1. Khi thit k phng chng chy cho nh cao tng phi tun theo nhng quy nh trong cc tiu chun hin hnh .

10.2. Phi t chc ng giao thng, h thng cp nc cha chy v h thng bo chy trong khu vc nh cao tng.

10.3. Nh cao tng phi c thit k vi bc chu la bc I. Gii hn chu la ti thiu ca cc cu kin v vt liu xy dng c quy nh trong cc tiu chun hin hnh v phng chy, chng chy cho nh v cng trnh .

10.4. Trong nh cao tng phi chia thnh cc vng ngn chy hoc khoang ngn chy. Vng ngn chy l khong m chia ngi nh theo sut chiu rng (chiu di) v chiu cao ngi nh.10.5. Phi m bo khong cch an ton phng chy cha chy t ca cn h n li thot nn gn nht trong cng trnh. Khong cch t ca cn h n li thot nn gn nht khng c ln hn 25m.

10.6. B tr ch xe trong to nh phi m bo cc yu cu ngn chy v thot nn cho ngi khi c s c.

10.7. Thang thot him phi thit k tip gip vi bn ngoi.

10.8. Li thot nn c coi l an ton khi m bo mt trong cc iu kin sau:

- i t cc cn h tng1 trc tip ra ngoi hay qua tin snh ra ngoi;

- i t cn h bt k tng no (tr tng 1) ra hnh lang c li thot.

10.9. Cu thang v hnh lang thot him phi m bo cc yu cu sau:

- C thng gi iu p v khng b t khi bung thang;

- C n chiu sng s c.

10.10. Trong nh cao tng nn lp t h thng bo chy. Tu thuc vo mc tin nghi v yu cu s dng m l chn h thng bo chy cho ph hp.

10.11. H thng bo chy t ng c t trung tm to nh, bao gm: t bo chy trung tm, bng tn hiu cc vng, u bo khi, u bo nhit v nt bo chy khn cp. Ngoi ra phi c thit b bo chy bng tn hiu m thanh v thit b lin lc vi i phng chy cha chy. Yu cu k thut v lp t h thng bo chy phi tun theo tiu chun hin hnh.

10.12. u bo khi, u bo nhit c lp t cho cc khu vc nh xe, khu vc cng cng khc v trong cc phng iu khin in, phng iu khin thang my.

10.13. Cc thit b bo ng nh loa truyn thanh, ci bo ng v cc nt bo ng khn cp c b tr ti tt c cc khu vc, nhng ni d thy, d thao tc. d truyn tn hiu bo ng v thng bo a im xy ra ho hon.

10.14. Cc hp vi cha chy c t mi tng ti cc snh cu thang v phi m bo cung cp nc cha chy khi c chy xy ra.

10.15. Phi b tr hng ch cha chy bn ngoi nh. Hng ch ny c lp t ni h thng ng ng cha chy bn trong vi ngun cp nc cha chy t bn ngoi.

10.16. Trong nh cao tng phi lp h thng thng gi, ht khi hnh lang v bung thang. Nhng b phn ca h thng ny phi lm bng vt liu khng chy.

10.17. H thng thng gi hay thi gi bung thang phi m bo an ton cho cc thit b v cho vic ng m ca s.

10.18. m bo yu cu thot ngi khi c s c, phi c gii php khng cho khi t thang my, bung thang lan vo cc tng v ngc li.

10.19. Trong ging thang my phi m bo cung cp khng kh bn ngoi t h thng ring vo phn trn ca ging thang my khi c chy xy ra.

10.20. Thit b thng gi, v thot khi phi b tr trong tng hp thng gi ngn cch bng ngn chng chy. Phi b tr t cha chy v t iu khin mi tng.

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