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CNG HA X HI CH NGHA VIT NAM

QCVN 04-1:2015/BXD

QUY CHUN K THUT QUC GIA

V NH V CNG TRNH CNG CNG-

PHN 1: NH

National technic al regulat ion on resident ial and pub lic bui ld ings -

Part 1: Resident ial bu i lding s

H NI2015

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MC LC

1. QUY NH CHUNG ............................................................................................................... 5

1.1 Phm vi iu chnh ...................................................................................................... 5

1.2 i tng p dng ...................................................................................................... 5

1.3 Ti liu vin dn .......................................................................................................... 5

1.4 Gii thch t ng .......................................................................................................... 6

1.5 Cc yu cu chung ...................................................................................................... 9

2. QUY NH K THUT ......................................................................................................... 11

2.1 Yu cu v kin trc .................................................................................................. 11

2.2 Yu cu v kt cu .................................................................................................... 132.3 Yu cu v thang my ............................................................................................... 13

2.4 Yu cu v h thng cp nc v thot nc .......................................................... 14

2.5 Yu cu v thng gi v iu ha khng kh............................................................. 15

2.6 Yu cu v h thng cp kh t trung tm ............................................................... 16

2.7 Yu cu v h thng thu gom rc.............................................................................. 16

2.8 Yu cu v chiu sng, chng n.............................................................................. 17

2.9 Yu cu v hthng in, chng st v h thng truyn thng................................ 18

2.10 Yu cu v an ton chy ........................................................................................... 19

3. T CHC THC HIN ....................................................................................................... 24

Ph lc A: V d minh ha v thang b theo phn loi trong QCVN 06:2010/BXD.....25

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Li ni u

QCVN 04-1:2015/BXD do Vin Khoa hc Cng ngh Xy dng

bin son, V Khoa hc Cng ngh v Mi trng trnh duyt,

B Khoa hc v Cng ngh thm nh,B Xy dng ban hnhkm theo Thng t s: 05/2015/TT-BXD ca B trng B xy

dng ngy 25 thng 04 nm2015.

Quy chun ny thay th cho Phn I Chng 3 ca Quy chun

xy dng Vit Nam ban hnh theo Quyt nh s 682/BXD-

CSXD ngy 14/12/1996 ca B trng B xy dng.

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5

QUY CHUN K THUT QUC GIA VNH V CNG TRNH CNG CNGPHN 1: NH

Nat ional technical regulat ion on resident ia l and pub l ic bui ld ing s

Part 1: Resident ia l bui ld ings

1. QUY NH CHUNG

1.1 Phm viiu chnh

1.1.1 Quy chun ny quy nh cc yu cu k thut bt buc phi tun th i vi nh xy

mi hoc ci to li.

1.1.2 Nh nu trong Quy chun ny bao gm: nh chung c, phn nh chung c nm trong

ta nh c nhiu chc nng,nh tp th, nh ring l.

1.2 i tng p dng

Quy chun ny p dng i vi cc t chc, c nhn c lin quan n hot ng thit k, xy

mi (hoc ci toli), qun lv s dng nh .

1.3 Ti liu vin dn

Cc ti liu vin dn sau l cn thit cho vic p dng quy chun ny. Trng hp cc ti liu

vin dn c sa i, b sung hoc thay th th p dng phin bn mi nht.

QCXDVN 01:2008/BXD,Quy chun k thut quc giavQuy hoch xy dng;

QCVN 02:2009/BXD,Quy chun k thut quc gia vS liu iu kin t nhin dng trong xy dng;

QCVN 02:2011/BLTBXH,Quy chun k thut quc gia v An ton lao ng i vi thang

my in;

QCVN 03:2012/BXD,Quy chun k thut quc gia v Nguyn tc phn loi, phn cp cng

trnh dn dng, cng nghip v h tng k thut th;

QCXDVN 05:2008/BXD,Quy chunxy dng Vit Nam - Nh v cng trnh cng cng. An

ton sinh mng v sc khe;

QCVN 06:2010/BXD,Quy chun k thut quc gia v An ton chy cho nh v cng trnh;

QCVN 07:2010/BXD,Quy chun k thut quc gia - Cc cng trnh h tng k thut th;

QCVN 08:2009/BXD,Quy chun k thut quc gia - Cng trnh ngm th. Phn 2:Gara t;

QCVN 09:2013/BXD,Quy chun k thut quc gia - Cc cng trnh xy dng s dng nng

lng hiu qu;

QCVN 09:2010/BTTTT,Quy chun k thut quc gia v Tip t cho cc trm vin thng;

QCVN 10:2014/BXD,Quy chun k thut quc gia v Xy dng cng trnh m bo cho ngikhuyt tt tip cn s dng;

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QCVN 12:2014/BXD, Quy chun k thut quc gia v h thng in ca nh v cng trnh

cng cng;

QCVN 26:2010/BTNMT, Quy chun k thut quc gia v Ting n;

QCVN QT 8:2010/BCT,Quy chun k thut quc giav k thut in. Tp 8: Quy chun k

thut in h p;Quy chun H thngCp thot nctrong nh v cng trnh do B Xy dng ban hnh theo

Quyt nh s 47/1999/Q-BXD ngy 21 thng 12 nm 1999;

Quy phm trang b in do B Cng nghip ban hnh theo Quyt nh s 19/2006/Q -BCN

ngy 11 thng 07 nm 2006.

1.4 Gii thch t ng

Trong quy chun ny, cc t ng di y c hiu nh sau:

1.4.1Nh

Cng trnh xy dng vi mc ch v phc v cc nhu cu sinh hot ca h gia nh, c

nhn.

1.4.2

Nh chung c

Nh c t hai tng tr ln, c li i, cu thang vh thng cng trnh h tng s dng chung

cho cc h gia nh, c nhn, t chc.

1.4.3

Nh tp th

Nh dnh cho hc sinh, sinh vin, hc vin (k tc x), cng chc, vin chc, cng nhn v

cn b chin s thuc lc lng v trang lu tr trong mt thi gian nht nh.

1.4.4

Nh ring l

Nh c xy dng trn tha t ring bit thuc quyn s dng hp php ca t chc,

h gia nh, c nhn, bao gm nh bit th, nh lin k v nh c lp.

1.4.5

Chiu cao nh

Chiu cao tnh t cao mt t t nh theo quy hoch c duyt (hoc cao mt t t

nh trong trng hp cha c quy hoch) ti im cao nht ca nh, k c tngtum hoc mi

dc.

CH THCH 1:i vi nh c cc cao mt t khc nhau th chiu cao tnh t cao mt t thp nht theo

quy hoch c duyt (hoc cao mt t t nh thp nht trong trng hp cha c quy hoch).

CH THCH 2: Cc thit b k thut trn mi: ct ng ten, ct thu st, thit b s dng nng lng mt tri, b

nc kim loi khng tnh vo chiu cao nh.

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CH THCH 3: Chiu cao nh theo quy nh van ton chy c ly theo QCVN 06:2010/BXD.

1.4.6

Tng nh

Khng gian b tr cc gian phng, nm gia mt sn nh v trn nh ngay pha trn n.

1.4.7S tng nh

Bao gm ton b cc tng trn mt t (k c tng k thut, tng lng, tng p mi, tng tum)v tng na hm.CH THCH 1: Tng lng khng tnh vo s tng ca cng trnh ch p dng i vi nh ring l khi din tch

sn lng khng vt qu 65% din tch sn xy dng ngay di sn tng lng.

CH THCH 2: Tng p mi c chiu cao tng bao ngoi nh hn 1,5 m; cc tng hm khng tnh vo s tng

ca cng trnh.

CH THCH 3: Tng tum khng tnh vo s tng ca cng trnh khi din tch mi tum khng vt qu 30 % din

tch sn mi.

1.4.8

Tng hm

Tng c qu mt na chiu cao nm di ct mt t t cng trnh theo quy hoch c duyt.

1.4.9

Tng na hm

Tng c mt nachiu cao nm trn hoc ngang ctmt t t cng trnh theo quy hoch

c duyt.1.4.10

Tng trn mt t

Tng c ctsn ca n cao hn hoc bng ct mt t t cng trnh theo quy hoch c duyt.

1.4.11

Tng mt(tng trt)

Tng thp nht trn mt t ca nh.

1.4.12Tng k thut

Tng b tr cc thit b k thut ca ta nh. Tng k thut c th l tng bt ktrong ta nh.

1.4.13

Tng p mi

Tng nm bn trong khng gian ca mi dc m ton b hoc mt phn mt ng ca n

c to bi b mt mi nghing hoc mi gp, trong tng ng (nu c) khng cao qu

mt sn 1,5 m.

1.4.14

Tngtum

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B phn t trn tng cao nht ca cng trnh dng bao che lng cu thang b hoc gingthang my, bao che cc b phn k thutcng trnh (nu c) v phc v mc ch ln mi vcu nn.

1.4.15

Cn h

Khng gian c lp, khp kn nmtrong mt ta nh s dng cho mc ch ca c nhn

hoc mt h gia nh.

1.4.16

Din tch s dng

Din tch sn c tnh theo kch thc thng thy t mt ngoi lp trt ca tng, ct

(khng tr b dy lp vt liu p chn tng, chn ct).

1.4.17

Din tch s dng ca cn hDin tch sn c tnh theo kch thc thng thy, bao gm c phn din tch tng ngn

cc phng bn trong cn h, din tch ban cng, l gia (nu c) v khng tnh din tch chim

ch ca tng bao ngi nh, tng phn chia gia cc cn h, ct, vch chu lc, hp k

thut nm bn trong cn h.

CH THCH: Khi tnh din tch ban cng th tnh ton b din tch sn ca ban cng. Trng hp ban cng c

phn din tch tng chung th tnh t mp trong ca tng chung.

1.4.18

Phng Phng gm cc phng c chc nng ng, tip khch, sinh hot chung (tip khch, gii tr,

n ung v c th c c bp), c b tr ring bit hay kt hp trong mt gian phng.

1.4.19

Ban cng

Khng gian c lan can bo v, nh ra khi mt tng ng ca nh.

1.4.20

L giaKhong khng gian c lancan bo v, li vo so vimt tng ng ca nh, c ba mt

c tng, vch bao che.

1.4.21

Khng gian cng cng

Khng gian b tr trong nhchung c, nh tp th dnh cho sinh hot chung ca cc h gia

nh hoc ngi .

1.4.22

Snh thang my

Khng gian trng trc ca ra vo ca thang myc h hoc c bao kn.

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1.4.23

Khoang ly sng

Khng gian bn trong ngi nh c dng ly nh sng t nhinchiu sng cho cc b

phn bn trong ca ngi nh.

CH THCH: Khoang ly sng c th l ging tri hoc kt hp trong bung thang b.1.4.24

Khoang m

Khng gian chuyn tip gia hai ca i, dng bo v trnh s xm nhp ca khi v cc

kh khc khi i vo nh, vo bung thang b hoc cc gian phng khc ca nh.

1.4.25

H thng bo v chng chy

H thng bao gm: trang thit b bo v chng khi, cp nc cha chy, cha chy t ng,

bo chy v hng dn thot nn, thang my cha chy, trang thit b cu nn, gii php kt

cu v b tr thot nn, giiphp chng lan truyn la v khi.

1.5 Cc yu cu chung

1.5.1 Nh phi c xy dng theo quy hoch v thit k th c duyt. V tr xy dng

phi c y c s h tng k thut: ng cho xe cha chy, h thng in, cpnc, thot

nc, thu gom rc,hthng truyn thng.

1.5.2 Cp cng trnh nh c xc nh theo nguyn tc quy nh ti QCVN 03:2012/BXD,

cn c vo quym, mc ch, tm quan trng, thi hn s dng(tui th), vt liu s dng vyu cu k thut xy dng cng trnh. Cp cng trnh nh khng cthp hnquy nh ti

Bng 1.

1.5.3 Cc yu cu v phng chng thin tai:

- Khng xy dng nh trn cc vng c nguy c a cht nguy him (st l, trt t ),

vng c l qut;

- Cng trnh nm trong vng chu nh hng ca ng t, gi bo, dng st, l, lt, nc

bin dng, sng thn phi c thit k v xy dng ph hp vi cc yu cu ca QCVN

02:2009/BXD v s liu iu kin t nhin ca khu vc xy dng. Cc gii php k thutphi tun th theotiu chun c la chn p dng.

1.5.4 Cng trnh nh phi c phng chng mi theo cc tiu chun k thut c la

chn p dng.

1.5.5 Cng trnh phi m bongi khuyt tt tip cn s dng theo QCVN 10:2014/BXD.

1.5.6 Trong qu trnh xy dng, sa cha v vn hnh, nh phi m bo cc yu cu an

ton chy theo QCVN 06:2010/BXD v cc quy nh b sung trong Quy chun ny. Vic trang

b, b tr, kim tra, bo dng cc phng tin phng chy, cha chy v cu nn, cu h phi

m bo theo yu cu ca quy nh hin hnh.

1.5.7 H thng tng bao, mi, cc h thng thng gi, iu ho khng kh, chiu sng, s

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dng in nng, un nc nng phi p ng cc yu cu s dng nng lng hiu qu trong

QCVN 09:2013/BXD.

Bng 1-Cp cng trnh nh

TT

Cpcng

trnh

Yu cu k thut ti thiu

Quy m Ti trngv tc ng1

Tui th2

Bc chu la3

Nh chung c

1 I

Chiu cao > 75 m

(trn 25 tng)

Chu k lp ti trng gi,

ng t, ngp lt: xcnh theo tiu chun

c la chn p dng

50 nm

Bc c bit

Chiu cao > 60 m 75 m

(21 tng 25 tng)Bc I

2 II

Chiu cao > 50 m 60 m

(17 tng 20 tng)Bc I

Chiu cao 24 m 50 m

(8 tng 16 tng)

Bc II

3 IIIChiu cao > 5 m < 24 m

(2 tng 7 tng)20 nm Bc III

Nh tp th

4 I

Chiu cao > 75 m

(trn 25 tng)

Chu k lp ti trng gi,

ng t, ngp lt: xcnh theo tiu chun

c la chn p dng

50 nm

Bc c bit

Chiu cao > 60 m 75 m

(21 tng 25 tng)Bc I

5 II

Chiu cao > 50 m 60 m

(17 tng 20 tng)Bc I

Chiu cao 24 m 50 m

(8 tng 16 tng)Bc II

5 IIIChiu cao > 5 m < 24 m

(2 tng 7 tng)20 nm Bc III

6 IV 1 tng 10 nm Bc IV

Nh ring l

7 III T 3 tng tr ln Chu k lp ti trng gi,

ng t, ngp lt: xcnh theo tiu chunc la chn p dng

20 nm Bc III

8 IV T 1 n 2 tng 10 nm Bc IV

CH THCH:

1. Chu k lp v ti trng gi,ng t v ngp lt c xc nh theo QCVN 02:2009/BXD, TCVN 2737:1995Ti trng v tc ng. Tiu chun thit k v TCVN 9386:2012 Thit k cng trnh chu ng t. Trnghp p dng tiu chun khc th phi theo quy nh ca tiu chun .

2. Tui th ca cng trnh:

- c xc nh trong nhim v thit khoc d n u t xy dng cng trnh.

- c tnh t khi btu s dng cng trnh n khi phi thc hin sa cha ln nhm duy tr chc nng sdng ca cng trnh.

- Ph thuc vo kt cu, vt liu s dng, bin php k thut chng xm thc, n mn di tc ng ca mitrng xung quanh.

3. Yu cu v gii hn chu la ca cc cu kin kt cu p ng bc chu la nu Bng 1 c quy nh ti QCVN06:2010/BXD. Gii hn chu la ca cc cu kin p ng yu cu chu la bc c bit c ly theo Quy chun ny .

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1.5.8 Cc yu cu v phng chng thm dt, hi m, c hi, bo v khi ng, x v va p,

thng gi, chiu sng, chng n v an ton s dng knh phi tun theo QCXDVN

05:2008/BXD.

1.5.9 Cc cn h,phng ,khng gian chung (phng cng cng, nh xe, snh chung, hnh

lang chung, cu thang b, thang my, cc khng gian cng cng khc) v thit b s dng

chung ca nh chung c, nh tp thphi c s dng ng cng nng thit k. i vi

phn nh chung c nm trong ta nh c nhiu chc nng th snh, li vo, thang my phi

c b tr ring.

1.5.10 Vic ci to, sa cha bn trong nh chung c v nh tp th phi m bo khng

c lm gim kh nng chu lc ca nh v kh nng vn hnh ca h thng k thut chung.

1.5.11 Nh phi cbo tr, sa cha trong sut tui th ca cng trnh. Cc trang thit b

cng trnh phi c bo dng, bo tr, sa cha hoc thay th nhm m bo cng nng s

dng bnh thng.

2. QUYNH K THUT

2.1 Yu cu v kin trc

2.1.1 Cc cn h trong chung c phi m bo c lp, khp kn.

2.1.2 Chiu sng t nhin:

- Cn h phi c chiu sng t nhin;

- Cn h t 2 phng tr ln: ch cho phpti a 1 phng khng c chiu sngt nhin

- Nh tp th: ti thiu40 % s phngphi c chiu sng t nhin.

2.1.3 Mt cn h phi c ti thiu mt phng v mt khu v sinh. Phng bao gm c chc

nng ng, sinh hot chung v bp phi c din tchs dngti thiu l20 m2.

2.1.4 Din tch s dng ca phng ng trong cn h mt phng ng khngc nh hn

10 m2; trong cn h nhiu phng ng th phi c mt phng ng khng nh hn 10 m2, cc

phng ng khc khng nh hn 6m2. Phng ng phi c thng gi.

2.1.5 Din tch ti thiu i vi nh tp th l 4 m2 /ngi.

2.1.6 Phng bp phi c cp kh ti v c h thngthng gi thi kh ra ngoi.2.1.7 Chiu cao thng thy:

- Phng khng c nh hn 2,7 m;

- Phng ca nh tp th c ging tng khng c nh hn 3,3 m;

- Phng bp v phng v sinh khng c nh hn 2,4 m.

- Tnghm v tng na hm ca nh chung c, nh tp th khng nh hn 2,2 m.

2.1.8 Khi s dng khng gian bn trong ca mi dc lm phng ng hoc phng sinh hot

chung th chiu cao thng thy ca 1/2 din tch phng khng c nhhn 2,1 m.

2.1.9 Trong nh chung c, nh tp th khng c b tr:

a) Cc kho c cha ha cht;

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b) Cc phng thuc hng nguy him chy n A hoc B theo QCVN 06:2010/BXD;

c) Phng sn xut, xt nghim, chun on bnh c cc thit b l ngun phng x; cc c s

th nghim, cc dch v pht sinh ting n vt qu quy nh theo QCVN 26:2010/BTNMT.

2.1.10 Ca s:

a) Ca s cc phng t tng 9 tr ln ch c lm ca lt hoc ca trt. V tr ca cc bphn iu khin ng m ca phi thc hin theo QCVN 05:2008/BXD. Ro hoc lan can

chng ri ng ti cc ca s i vi phng t tng 9 tr ln phi khng thp hn 1,4 m; i

vi phng di tng 9 phikhng thp hn 1,1 m.

b) i vi cnh khng c lgia, cn b tr ti thiumt ca s c kch thc l m thng

thy khng nh 600x600 mm phc v cu h, cu nn.

2.1.11 Ch xe:

a) C 100 m2din tch s dng ca cn hphi c ti thiu 20 m2ch xe (k cng

ni b trong nh xe) b tr trong khun vin t xydng chung c. Nh xe phi p ngyu cu k thut ca QCVN 08:2009/BXD.

b) Cho php b tr mt phn hoc ton b din tch ch xe bn ngoi khun vin t xy

dng ca chung c vi iu kin phn t bn ngoi ny phi nm trong d n c

duyt v tng din tch ch xe c hai phn khng c nh hn nh mc 20 m2 cho

100 m2din tch s dng ca cn h.

c) i vi chung c s dng gara xe c kh hoc t ng th c 100 m2 din tch s dng

ca cn h phi c ti thiu 12 m2ch xe trong gara (din tch ng ra vo nh xe

c tnh ring theo tiu chun ca gara p dng cho cng trnh).d) i vi nh x hi, nh tp th:din tch ch xe (k c ng ni b trong nh xe)

c php ly bng 60% nh mc quy nh ti cc khon a), b) v c) ca iu ny.

e) Ch xe cho cc cn h ca chung c c nhiu chc nng phi c b tr ring.

2.1.12 Khng gian phc v cc sinh hot chung:

- i vi mi khi nh chung c: ch tiu din tchs dng ti thiu bng 0,8 m2/cn h;

- i vi mi nh tp th: ch tiu din tch s dng ti thiu bng 0,8 m2/phng .

-

Trnghp c nhiu khi nhtrong cng d n xy dng, cho php kt hp khng gianphc v cc sinh hot chungcho ton khu. Tng din tch phc v cc sinh hot chung ca

ton khu cho php gim ti a 50 %. Bn knh t cc khi nh ti khng gian phc v sinh

hot chung khng qu 500 m.

2.1.13 Phi c ch phi qun o ni thng thong, mbo m quan ca nh v th.

2.1.14 Ti mi, cn b trcc ct, cht chc chn neo gi dy treo lng hoc gio v sinh

hoc sa cha mt ngoi cng trnh.

2.1.15 ng cho xe cha chyv mt bng - khng gian ca nh chung c, nh tp th

phi ph hp QCVN 06:2010/BXD v 2.10 ca Quy chun ny.

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2.2 Yu cu v kt cu

2.2.1 Kt cu v cc b phn phi kt cu ca nh phi m bo cc yu cudi y:

a) Cc kt cu v nn phi c tnh ton vi cc ti trng v t hp ti trng bt li nht tc

ng ln chng, k c ti trng theo thi gian, trong cc ti trng lin quan n iu

kin t nhin ca Vit Nam (gi bo, ng t, st, s liu kh tng) c ly theo QCVN02:2009/BXD.

b) Nh, b phn ca nhphi duy tr c iu kins dng bnh thng, khng b bin

dng v suy gim cc tnh cht khc qu gii hn cho php ca tiu chun p dng cho

cng trnh.

c) Cc kt cu, vt liuca nh phi m bo yu cu v kh nng chu la theo QCVN

06:2010/BXD v quy nh b sung trong 2.10 ca Quy chun ny.

CH THCH: Cc loi ca c yu cu chng chy phi c kim tra, th nghim v kh nng chu la theo

cc tiu chun p dng cho cng trnh.

d) Vtliu s dng cho nh phi m bo bn lu trc tc ng ca kh hu, xm thc

ca mi trng xung quanh, ca cc tc nhn sinh hc v tc nhn c hi khc, ph hp

vi cc tiu chun bo v kt cu xy dng ca Vit Nam; m bo cho kt cu cng trnh

c kh nng chu lc v kh nngs dng bnh thng nh nu ti cc khon a), b) v

c) ca iu nym khng phi sa cha ln trong thi hns dng (tuith).

2.2.2 Khi cito nh cn tnh n s kt cu nh b thay i trong qu trnh khai thc

s dng hoc c sa cha hoc gia cng trc .

2.2.3 Nh trong qu trnh thi cng xy dng v s dng khng c gy h hng ti cngtrnh lin k phn ngm v trn mt t.

2.2.4 Nh chung c, nh tp th c chiu cao trn 75 m

Nh c chiu cao kt cu (tnh t mt mng n cao trc ca x sn mi) ln hn 75 m,

ngoi cc yu cu t 2.2.1 n 2.2.3 nu trn, cn m bo thm cc yu cu sau:

a) Chuyn dch ngang trng thi s dng bnh thng (trng thi gii hn th 2) ca nh

nh phi khng c ln hn gi tr quy nh theo tiu chun la chn p dng;

b) Gia tc dao ng ca sn tng trn cng do ti trng gi khng vt qu gi tr quy nh

trong tiu chun thit k la chn p dng.c) Cc kt cu chu lc ca nh cn c tnh ton kh nng b ph hoi cc b dn ti ph

hy dy chuyn h kt cu ton nh theo tiu chun thit k la chn p dng.

2.3 Yu cu v thang my

2.3.1 Nh chung c, phn nh chung c nm trong ta nh c nhiu chc nng, nh tp th

t 6 tng tr ln phi c ti thiu 1 thang my; t 9 tng tr ln phi c ti thiu 2 thang my.

2.3.2 Cn btr ti thiu 1 thang my cho 200 ngi sng trong ta nh khng k s ngi

tng 1 (tng trt).Sc nng ca mt thang my phi khng nh hn 400 kg. Trong trng hpnh c mt thang my, sc nng ti thiu ca thang my khng nh 630 kg.

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2.3.3 i vinh c 2 thang my tr ln ti thiu phi c 1 thang chuyn dng vn chuyn

bng ca cp cu. Chiu rng ca snh thang my chuyn dng phi m bo vic a c

bng ca cp cu ra vo thang my.

2.3.4 i vi nhchung c, phn nh chung c nm trong ta nh nhiu chc nng c chiu

cao ln hn 50 m, mi khoang chy ca nh phi c ti thiu mt thang my p ng yu cu

vn chuyn lc lng v phng tin cha chy.

CH THCH: Yu cu v thang my cha chy tun theo TCVN 6396-72:2010 Yu cu an ton v cu to v

lp t thang my. p dng ring cho thang my ch ngi v thang my ch ngi v hng. Phn 72: Thang

my cha chy v TCVN 6396-73:2010 Yu cu an ton v cu to v lp t thang my. p dng ring cho

thang my ch ngi v thang my ch ngi v hng. Phn 73: Trng thi ca thang my trong trng hp c

chy

2.3.5 Tc thang my phi m bo thi gian cho mt hnh trnh (t tng 1 cho n tngcao

nht ca nh) khng qu 50 s.

2.3.6 Thang my phi c thit b bo v chng kt ca, b cu h t ng v h thng inthoi ni b t cabin ra ngoi. Thang my phi m bo ch c vn hnh khi tt c cc ca

ung.

2.3.7 Khe h gia ngng ca ca bin vi ngng ca tng khng c ln hn 35mm.

2.3.8 Chch lch ct gia sn cabin v snh thang my khng c ln hn 25 mm, ring i

vi thang ch bng ca cp cu khng c ln hn 15 mm.

2.3.9 Thang my phi m bo an ton theo QCVN 02:2011/BLTBXH v c kim nh an

ton trong trng hp sau:

- Sau khi lp t, trc khi a vo s dng;

- Sau khi tin hnh sa cha ln;

- Sau khi xy ra tai nn, s c nghim trng v khc phc xong;

- Ht hn kim nh hoc theo yu cu ca c quan thanh tra nh nc v lao ng.

2.3.10 Bung my thang my phi c li ln xung v vo ra thun tin, an ton. Khi bung

my thang my c t trn phng hoc ging thang myc t st phng , phi m

bo yu cu cch m theo QCVN 05:2008/BXD.

2.3.11 Khng c xy b nc trc tip trn ging thang my v khng c tcc ngng cp nc, cp nhit, cp gas i qua ging thangmy.

2.4 Yu cu v h thng cp nc v thot nc

Nh phi m bo yu cu v h thng cp nc v thot nc nh sau:

2.4.1 H thng cpnc,thot nc sinh hot:

a) H thngcp nc, thot nc sinh hot phi m bo cc yu cu k thut quy nh

trong Quy chun H thng cp thot nc trong nh v cng trnh v cc tiu chun

c la chnp dng.b) Mi cn h phi c ng h nc ring.

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2.4.2 H thng cp nc cha chy trong nh v h thng cp nc cha chy ngoi nh:

- Nh phic h thng cp nc cha chy ngoi nh b tr dc theo ng giao thng

theo QCXDVN 01:2008/BXD. Khi cha c h thng cp nc cha chy ngoi nh hoc

khng m bo lu lng, p lc nc cha chy th phi c ngun nc d tr m bo

lu lng nc cha chy t nht trong 3 h.

- Nh c chiu cao ln hn 50 m phi c hng ch cp nc cha chy cho lc lng cha

chy b tr mi tng, im xa nht ca tng phi nm trong phm vi 45 m tnh t hng

ch. Hng ch phi c ni vi ng ng cp nc cha chy trong nh v t trong

khoang m ngn chy (khoang m ca bung thang b hoc chiu ngh ca bung

thang b hoc khoang m ca thang my cha chy). Hng ch phi tha mn cc quy

nh hin hnh.

- Cc hngnc cha chy trong nh phi b tr ti nhng ni d tip cns dng. Lu

lng cn thit ca h thng hng nc cha chy trong nh c ly theo tiu chun k

thut c la chn p dng, ring i vi nh cao trn 50 m, cc tng phi m bo

lu lng nc cha chy cho khng t hn 4 hng nc cha chy, mi hng c lu

lng 2,5l/s trong khong thi gian cha chy tnh ton. Mi im ca tng phi m bo

c hai hng nc cha chy phun ti ng thi.

- Cp ncchachy cho cc h thng cha chy phi thc hin theo cc tiu chun hin

hnh v phng chy cha chy.

2.5 Yu cu v thng gi v iu ha khng kh

2.5.1 Cc cn h v khng gian ngoi cn h trong nh chung c v phng ca nh tpthphi c h thng thng gi t nhin hoc cng bc.

2.5.2 Lu lng khng kh ti cp cho mi cn h trong nh chung c, phng ca nh

tp thphi khng nh hn30 m3/h/ngi hoc khng nh hn tng lng khng kh thi t

phng bp, phng tm v phng v sinh ca cn h. Gara xephi m bo h s trao i

khng kh khng nh hn 6 ln/h i vi ch thng gi thng thng hoc 9 ln/h i vi ch

thng gi ht khi.

2.5.3 Khi s dng h thng thng gicng bc, iu ho khng khcn m bo cc yu

cu sau:

- Cc thng s kh hu bn ngoi nh phc v cho thit k h thng thng gi, iu ha

khng kh tun th theo QCVN 02:2009/BXD;

- Ch cs dng cht lm lnh m bo an ton mi trng theo quy nh hin hnh;

- Kh thi ra ngoi khng c gy kh chu hay nguy hi cho ngi v ti sn xung quanh;

- Khi hotng khnggy ting n qu gii hn cho php;

- Cc phng c cht c hi phi c h thng ht v cp khng kh c lp; Khng kh ti

phi c cp trc tip vo trong phng vi lu lng khng t hn90 % lu lng kh thira.

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2.5.4 Cc h thng thng gi thot khi, ht khi v bo v chng khi cho cc li thot nn,

gii hn chu la ca cc ng ng gi v knh - ging dn gi phi ph hp vi cc yu cu

trong QCVN 06:2010/BXD.

2.6 Yu cu v h thng cp kh ttrung tm

2.6.1 H thng cp kh ttrung tm cho nh phim bo an ton phng chng chy n,chng st, an ton tnh inv v sinh mi trng theo cc quy chun hin hnh v cc tiu

chun la chn p dng cho cng trnh.

GHI CH: Kh t c cp n trong Quy chun ny l kh ha lng (LPG). i vi cc loi kh t khc, cc

yu cu k thut phi tun th cc tiu chun c la chn p dng cho cng trnh.

2.6.2 p sut lm vic cah thng ng ng dn kh t trong nh phi m bocc yu

cu sau:

- Khng c vt qu 1,00 bar trong ng ng trc chnh;

- Khng c vt qu 0,03 bar trong cc ng ng nhnh (k t pha sau van iu p) ivo cc phng.

2.6.3 Khng t ng ng dn kh t trong cc phng thuc hng nguy him chy nA hoc

B theo QCVN 06:2010/BXD, trong tng hm, di trm in, gian my, trong cc phng c kh

nng bn mn v iqua cc knh, hm thng gi.

2.6.4 Khng tng ng trc chnh i qua phng ng, phng v sinh, phng tm, phng

cha rc thi sinh hot, h ging thang my, cu thang hoc ng thot nn, ni t hng

nc cha chy v cc phng tin cha chy, cu nn.

2.6.5 Cc ph kin trn h thng ng ng dn kh t trong nh bao gm u bo d gas,

van kha ti ni tiu th, van chng vt dng, van in t ng ngt khi c s c (t ng v

bng tay), cc thit b iu chnh (kha, van iu chnh...), cc im u ni mm, van chn, cc

b phn gi ng ng phi c lp t ti cc v tr c ng tip cn cho cng tc sa

cha, kim tra v vn hnh.

2.6.6 Cc thit b s dng kh t trong nh u phic lpvan chn.

2.6.7 ng ng dn kh t t trm cp bn ngoi vo nh phi c kh nng chng c va

p c hc. Trn ng ng dn kh t vo nh phi c van ngt khn cp t ph a ngoi nh

cao khng qu 1,2 m ti v tr d nhn bit v d ng - m van.

2.7 Yu cu v h thng thu gom rc

2.7.1 Nh chung c, nh tp thphi c h thng thu gom rc m bo cc quy nh v an

ton chy n, v sinh mi trng.

2.7.2 H thng thu gom rc bn trong nh c php b tr theo ng ng rc hoc thng

thu gom rc t ti tng tng. H thng ny phi m bo thu gom ton b rc thi pht sinh

trong nh vi thi gian lu gi khng qu 2 ngy.

2.7.3 i vi nh khng c h thng thu gom rc trong nh th phi b tr cc thng thu gom

rc bn ngoi nh.

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2.7.4 ng ng thu gom rc trong nh phi p ng cc yu cu sau:

a) Ca ng thu rc phi c b tr ti bungthu rc t tng tng. Bung thu rcphi l

mt khng gian khp kn, c thng gi t nhin hoc cng bc, khng gy ly lan mi

ra cc cn h. Khong cch t ca cn h n bung thu rc gn nht khng c qu

25 m.

b) Livo bungthu rc mi tng phi i qua khoang m chng chy. Bung thu rc v

khoang m chng chy phi c b tr h thng bo chyt ng hoc cha chy t

ng.

c) T hp ng ng, ca ca ng ng thu rc, tm chn, van, ca bung thu rc phi

c ch to t vt liu khng chy, chng n mn. T hp ny phi c cch m khi b

tr st phng ng.

d) Caca ng ng thu rc phi l ca chng chy loi 1, kn kht, ngn c mi v c

c cu chn khi t ng.e) Phn nh ca ng ng thu rc phi c ng ng thot hi nh ln khi mi nh khng

t hn 0,7 m, din tch mt ct khng nh hn 0,05 m2ng thi phi c mi che ma v

li chn ngn khng cho cc loi cn trng, gm nhm xm nhp.

f) Bung cha rc phi c b tr ngay di ng ng thu rc ti tng u tin trn mt

t hoc tng na hm, tng hm th nht. Bung charc phi c chiu cao thng thu

khng di 2,2 m v c ca m ra ngoi. Bung charc phi c ca cch ly vi li vo

nh bng tng c v c ngn vi cc b phn khc ca nh bng tng chng chy,

c h thng thng gi, thot khi ring bit, c h thng bo chy t ng, cha chy tng.

g) Bung cha rc phi c h thu v ng ng dn nc bn vo h thng thot nc

chung, cng nh c li vo ring phc v vic chuyn ch rc.

2.7.5 H thng thu gom rc trong nh trn tng tng phi m bo cc yu cu sau:

- Thng thu gom rc phi c t ti mi tng trong mt phng ring, khng gy cn tr

vic thot him, cu h;

- Phng cha thng thu gom rc phi c ngn vi khu vc khc bng cc b phn ngn

chy, c h thng thng gi, thot khi ring bit, c h thng bo chy t ng, chachy tng;

- Cc thng thu gom rc phi kn, khng pht tn mi, khng r r, khng gy ri vi rc khi

vn chuyn. Vic vn chuyn cc thng thu gom rc ra khi mi tng phi c thc hin

trong ngy;

- Cc loi rc gy nguy c chy n, pht tn dch bnh khng c vo thng thu gom

rc.

2.8 Yu cu v chiu sng, chng n2.8.1 Yu cu v chiu sng

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a) Ts din tch lp knh so vi din tch tngbao che, mt cng sut chiu sng ti a,

hiu sut ca thit b chiu sngphi m bo quy nh ca QCVN 09:2013/BXD.

b) ri ti thiu phi m bo quy nh sau:

- Phng : n hunh quang75 lux, n nung sng 50 lux;

-

Bp: n hunh quang 75 lux, n nung sng 30 lux;- Hnh lang, bung tm, bung v sinh: n nung sng 30 lux;

- Cu thang, snh thang, nh xe: n nung sng 30 lux.

c) H thng chiu sng s c phi m bo yu cu theo QCVN 06:2010/BXD.

2.8.2 Yu cu v chng n: ch s cch m ti thiu i vi tng, vch, ca v sn nh

chung c, nh tp th phi m bo quy nh ca QCXDVN 05:2008/BXD.

2.9 Yu cu v h thngin, chng st v h thng truyn thng

2.9.1 Nh chung c, nh tp thphi m bo cc yu cu v thit k, lp t, vn hnh hthng trang thit b in, chng st v h thng truyn thng theo QCVN 12:2014/BXD, QCVN

QT 08:2010/BCT, QCVN 09:2010/BTTTT v QCVN 09:2013/BXD.

2.9.2 My bin p b tr trong nh phi tha mn cc yu cu sau:

d) My bin p du phi t trong bung ring tng mt, cca m trc tip ra ngoi nh

v bung my phi c thit b ngn nga du chy trn;

e) My bin p kh phi t bung ring trong nh;

f) Khng c b tr bung my ngay bn di, ngay bn trn hoc lin k cc phng tp

trung trn 50 ngi. Bung my phi c ngn cch vi cc b phn khc ca nh bng

tng ngn chy c gii hn chu la khng thp hn REI 120 v bng sn ngn chy c

gii hn chu la khng thp hn REI 90;

g) My bin p v thit b phn phi in khng b tr gn khu vcm t, phng tm, khu

v sinh.Nu phi t th phi khng cho nc, hi m thm vo bung my;

h) Bungmy bin p phi b tr h thng bo chy v cha chy t ng.

2.9.3 Phng k thut in phi b tr ch khng ngp nc, c kho, c ca m ra pha

ngoi, m bo d kim tra, ng ct in.Cc ng kh t;ng dn cht chy; cc np y,van, mt bch, ca thm d, vi, ca cc ng ng, hp k thut khng c php b tr i

qua phng k thut in.

2.9.4 Nh chung c, nh tp thcao t28 m tr lnphi c trang b my pht in d

phng vi cng sut ti thiu m bo hot ng ca mng in u tin gm: in cho bm

nc sinh hot,bm nc cha chy, h thng bo chy t ng, h thng bo v chng khi,

thang my cha chy, chiu sng cng cng, cc thit b bo chy, camera quan st, thng bo

chy v iu khin thot nnv cc ph ti khc theo quy nh ca tiu chun thit khin

hnh.

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CH THCH:i vi nh chung c, nh tp ththp hn28 m, c yu cu trang b h thng cha chy t ng,

h thng bo v chng khi th phi c ngun in d phng m bo hot ng ca cc h thng ny theo QCVN

06:2010/BXD.

2.9.5 Cho php btr phng my pht in izen v gian d tr nhin liu tng mt, tng

na hm hoc tng hm thnhtkhi m bo cc quy nh sau:

i) Phng my pht in izen v gian d tr nhin liu khng c b tr ngay bn dihoc bn cnh cc phng v phi c ngn cch vi cc b phn khc ca nh bng

tng ngn chy c gii hn chu la khng thphn REI 120 v sn ngn chy c gii

hn chu la khng thp hn REI 90;

j) Gian d tr nhin liu cho 3 h lm vic c php b tr cnh gian my pht in v phi

c ngn cch vi gian my pht bng tng ngn chy loi 1 v ca ngn chy t ng

loi 1theo QCVN 06:2010/BXD. Bn d tr nhin liu cho hot ng ln hn 3 h ca my

pht in phi t bn ngoi nh;

k) Phng my pht in izen v gian d tr nhin liu phi c thit b thu v cha du trndo s c,phi c h thng bo chy, cha chy t ng v h thng thot khi ring bit,

v tr t ming thi khi khng c gy nguy him cho ngi cctng bn trn.

2.10 Yu cu v an ton chy

2.10.1 Nh phi tunth cc quy nhv an ton chy theo QCVN 06:2010/BXD.

2.10.2 Nh chung c, nh tp th phim bocc yu cu sau:

2.10.2.1 S li ra thot nn cho nh phi c xc nh theo QCVN 06:2010/BXD. mi

tng nh, scu thang b thot nn, loi bung thang b thot nnv cc yu cu b sung i

km phi p ngquy nh Bng 2.

Bng 2 - Quy nh b tr thang b thot nn i vi nh chung cv nh tp th

Chiu cao, din tch canh

S lng cu thang b v loibung thang b thot nn

mi tng nh

Cc yu cu bsung i km

Ghi ch

Chiucao, h,

ca nh

(m)

Tng dintch, S, cacc cn h

trn 1 tng(m2)

S lngcu thangb thot

nn tithiu

Loi bung thangb thot nn c

s dng

h 9

S 500 01Bung thang bthng thng loi L2

Mi cn h caotrn 4 m phi c mt

li ra khn cp

Theo 3.2.6 v3.4.11 (QCVN06:2010\BXD

S > 500 02Bung thang bthng thng loi L2

Theo 3.2.6(QCVN

06:2010\BXD

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Bng 2 (Kt thc)

Chiu cao, din tch ca

nh

S lng cu thang b v loi

bung thang b thot nn

mi tng nh

Cc yu cu b

sung i km

Ghi ch

Chiu

cao, h,

ca nh

(m)

Tng din

tch, S, cacc cn h

trn 1 tng

(m2)

S lng cu

thang b

thot nn ti

thiu

Loi bung

thang b thotnn c s

dng

9 < h 12

S 500 01Bung thang bthng thngloi L2

Mi cn h caotrn 4 m phi c mtli ra khn cp v cu bo chy c lp

Theo 3.2.6 v3.4.11 (QCVN06:2010\BXD

S > 500 02Bung thang bthng thngloi L2

Theo 3.2.6(QCVN

06:2010\BXD

12 < h 28

S 500 01

Bung thang bthng thngloi L1 (khng sdng bungthang b loi L2)

Mi cn h caotrn 15 m phi c mtli ra khn cp; hoc cc u hnh langc thm cc cuthang b h ngoinh dn n cao sn tng 2

Theo 3.2.6 v3.4.10 (QCVN06:2010\BXD

S > 500 02

Bung thang bthng thngloi L1 (khng sdng bungthang b loi L2)

Theo 3.2.6 v3.4.10 (QCVN06:2010\BXD

28 < h

75

S 50001

Bung thang b

loi N1

Mi cn h cao

trn 15 m phi c mt

li ra khn cp; hoc

cc u hnh lang

c thm cc cu

thang b h ngoinh dn n cao

sn tng 2 .

Theo 3.2.6 v

3.4.12 (QCVN

06:2010\BXD)

S > 500 02

Bung thang N1

v N2 (hoc N3),

trong s lng

bung thang N2

(N3) khng c

qu 50 %

Theo 3.2.6 v

3.4.13 (QCVN

06:2010\BXD)

CH THCH 1: Cu to cc loi bung thang b xem minh ha ti Ph lc A.CH THCH 2: Trng hp khng tha mn c cc yu cu v cu thang N1, phi c cc gii php k thut b

sung v phi c c quan Phng chy cha chy v cu h cu nn c thm quyn ph duyt.

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2.10.2.2 Tng v vch ngn gia cc n nguyn; tng v vch ngn gia hnh lang

chung (bn ngoi cn h) vi cc phng khc, trong nh c bc chu la I, II v III phi c gii

hn chu la khng nh hn EI 60, cn trong cc nh c bc chu la IV phi c gii hn chu

la khng nh hn EI 15.

Tng v vch ngn khng chu lc gia cc cn h, trong cc nh c bc chu la I, II, v III

phi c gii hn chu la khng nh hn EI 40 v cp nguy him chy K0, cn trong cc nh

c bc chu la IV phi c gii hn chu la khng nh hn EI 15 v cp nguy him chy

khng cao hn K1.

2.10.2.3 Lan can cc l gia v ban cng trong nh t tng 3 tr ln phi lm t vt liu

khng chy.

2.10.2.4 Cc phng c chc nng cng cng phi c ngn cch vi cc phng bng

cc vch ngn chy loi 1, cc sn ngn chy loi 3,cn trong cc nh c bc chu la I th

phi ngn cch bng sn ngn chy loi 2.

2.10.3 Nh chung c, nh tp thc chiu cao ln hn 75 mcn m bo cc yu cu sau:

2.10.3.1 Phn ca ta nhphi cphn chia theo chiu cao thnh cc khoang chy vi

chiu cao mi khoang khng ln hn 50 m. Cc khoang chy phi c ngn cch vi nhau

bng mt sn ngn chy c gii hn chulakhng nh hn REI 180 hoc bng mt tng k

thut vi sn v trn c giihn chu la khng nh hn REI 90.

2.10.3.2 Din tch cho php ln nht ca mt tng nh trong phm vi mt khoangchy phi

tun th theo QCVN 06:2010/BXD.

2.10.3.3 Ti cc v tr giao nhau gia sn ngn chy v cc b phn ngn chy vi kt cubao che ca nh phi c cc gii php m bo khng chy lan truyn qua cc b phn

ngn chy.

2.10.3.4 Mi khoang chy phi c h thng ng ng, ng dn k thut (si, cp nc

chung, cp nc cha chy, thot khi, chiu sng thot nn, bo chy, cha chy t ng)

c lp.

2.10.3.5 Pha trn li ra t cc gara tng mt phi b tr cc mi ua bng vt liu khng

chy c chiu rng khng nh hn 1,0 m v m bo khong cch t mi ua ny ti cnh

di ca cc l ca s bn trn khng nh hn 4,0 m.2.10.3.6 S bung thang thot nn(li ra thot nn) ca mi tng nh c xc nh theo

tnh ton, nhng khng t hn 2. Bung thang thot nn phi l cc bung thang khng nhim

khi, trong :

- i vi nh c cao di hoc bng125 m: cho php dng mt bung thang b l loi

N2, cc bung thang b cn li l loi N1;

- i vi nh c cao ln hn 125 m: tt c cc bung thang b l loi N1.

2.10.3.7 Khong cch t ca ra vo cn h n li ra thot nn (bung thang) khng c

ln hn 20 m nu ca cn h m rahnh lang ct v khng c ln hn 40 m khi ca cnh m ra hnh lang nm gia hai bung thang.

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2.10.3.8 Chiu rng bn thang v chiu thang ca cc bung thang b loi N1 ti phn

ca nh phi khng nh hn 1,20 m; bung thang b loi N2 khng nh hn 1,05 m vi

khong cch h thng thy gia cc bn thang khng nh 100 mm.

2.10.3.9 T tt c cc bung thang b khng nhim khi phi c cc bn thang dn ln mi

qua cc ca ngn chy loi 2. Ca cn h dn ra hnh lang phi l ca ngn chy loi 1.

2.10.3.10 Cc phng khng nm bn trong v lin k vi nh, k c cc phng k thut v

phng ph tr phc v cho phn phi c ngn cch vi phn ca nh bng tng ngn

chy c c gii hn chu la REI 180 v sn ngn chy loi 1 v c cc li ra thot nn ring.

2.10.3.11 Cc ging thang my ca phn khng c thng vi phn cn li ca nh. Cc

ging ca h thng k thut (k c ng ng rc) ca phn v phn cn li ca nh phi

ring bit.

2.10.3.12 i vi nh cao trn 100 m phi b tr gian lnh nn p ng cc yu cu sau:

- Cc gian lnh nn cch nhau khng qu 20 tng;- Cc gian lnh nn phi c bo v bng b phn ngn chy c gii hn chu la khng

nh hn REI 150;

- Gian lnh nn phi c din tch m bo cha c t nht mt na tng s ngi ca

tt c cc tng trn v tng di ca gian lnh nn vi nh mc 0,3 m2/ngi;

- Gian lnh nn phi c ca thng vi bung thang khng nhim khi v phi c ca ra

thang my cha chy;

- Gian lnh nn phi c trang thit b chng chy ring gm: thit b chng t khi, hng

nc cha chy trong nh, h thng cha chy t ng Sprinkler, chiu sng s c, inthoi lin lc vi bn ngoi, h thng truyn thanh ch dn thot nn

CH THCH: C th s dng tng k thut hoc mt phn tng k thut lm gian lnh nn.

2.10.3.13 Nh chung c, nh tp thc chiu cao trn 75 m thucloi nh c bc chu la

c bit. Gii hn chu la ca cc cu kin xy dng, b phn kt cu khng thp hn cc

gi tr tng ng di y:

- Cc cu kin chu lc: R 180;

- Tng chu lc: REI 180;

- Tng bung thang b: REI 180;

- Bn v chiu thang b: R90;

- Tng ngoi khng chu lc: E 60;

- Sn gia cc tng: REI 90;

- Mi c khai thc s dng: REI 60;

- Mi khng khai thc s dng: E 60.

- Ging k thut, ct qua ranh gii mt khoang chy: REI 180;

- Ging k thut, khng ct qua ranh gii mt khoang chy: REI 90;

- Gingthang my: REI 180;

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- Ging thot khi: REI 180;

- Sn v tng ngn cch cc khoang chy: REI 180;

- Tng gia cc n nguyn: REI 150;

- Vch ngn ngn cch hnh lang, snh thang my, khoang m ngn chy: EI 90;

- Vch ngn gia cc cn h: EI 60.- Cp nguy himchy kt cu ca nh phi l S0.

2.10.3.14 Lp cch nhit (nu c) ca tng ngoi nh phi c lm bng vt liu khng

chy. Cho php s dng lp cch nhit t vt liu c nhm chy Ch1 v Ch2 (QCVN

06:2010/BXD) nu n c bo v t tt c cc pha bng b tng hoc va trt c chiu dy

khng nh hn 50 mm. Ti cc v tr lp khun ca s v ca i trn tng ngoi chiu dy

ca lp b tng (va trt) ny phi khng nh hn 30 mm.

Ca s v ca lp knh ca ban cng v lgia phi lm t vt liu khng chy hoc chy yu

(Ch1).

2.10.3.15 Cc ca ngn chy phi c b tr ph hp cho tng trng hp nh sau:

- Ca ngn chy trn tng v sn ngn cch cc khoang chy phi c gii hn chu la

khng thp hn EI 90;

- Ca ngn chy phi l loi 1 trong cc trng hp: ca tng bn trong ca bung

thang b khng nhim khi v snh thang my, ca ca cn h i ra ngoi hnh lang

chung, ca trn cc kt cu bao che phng k thut, phng nguy him chy, ging v

khoang k thut;

- Ca ngn chy l loi 2 trong trng hp: ca t khoang m i vo bung thang b

khng nhim khi, vo snh thang my v vo phng c ng rc;

- Ca ca ging thang my v i vo snh thang my phi l cc ca khng lt khi.

2.10.3.16 Vt liu hon thin trn, tng, sn trn cc ng thot nn, trong snh thang

my, snh chung, tng k thut phi l vt liu khng chy.

2.10.3.17 Lp cch m ca cc phng, cng nh cch nhit cho thit b v ng ng k

thut phi lm t vt liu khng chy.

2.10.3.18 Cc ng ng ca h thng k thut (thot nc, dn nc ma,cp nc nngv lnh, ng dn rc) c lm bng vt liu khng chy. Cc ng ngcp nc trong

phm vi mt cn h (tr trc ng) c php lm bng vt liu chy nhm Ch1 v Ch2.

CH THCH: Trng hp s dng ng UPVC cho ng ng cp, thot nc th cc ng ng ny ngoi vic

m bo yu cu k thut theo tiu chun c la chn p dng, phi c t trong hp k thut v m bo

yu cu chng chy lan theo QCVN 06:2010/BXD.

2.10.3.19 Vic bo v chng khi cho nh, h thng bo chy v cha chy t ng thc hin

theo QCVN 06:2010 /BXD v cc quy nh di y:

-

Tt c cc phng khng (gara, phng ph tr, phng k thut, khng gian cng cng,khoang cha rc ...) v ng rc phi c thit b cha chy t ng Sprinkler;

- Bn trn cc ca vo cn h, t pha ngoi, phi lp cc Sprinkler ni vi ng ng nc

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cu ha thng qua r le dngnc;

- H thng bo chy t ng phi bo r a ch ca tng cn h. Trong cc phng ca cn

h v cc hnh lang tng, k c snh thang my phi lp t u bo khi. Cc phng

ca nh phi c trang b h thng loa truyn thanh v iu khin thot nn;

- Cn trang b h thng bo chy, cha chy t ng trong cc knh, ging k thut in,

thng tin lin lcv ging k thut khc c nguy him chy.

- Ngun in cp cho h thng bo v chng chy gm: thang my phc v chuyn ch lc

lng, phng tin cha chy; h thng bo v chng khi; h thng bo chy, cha chy

t ng; chiu sng v ch dn thot nn , phi c ly t cc t in c lp hoc cc

bng in ring vi mu sn khc nhau i theo hai tuyn ring bit ti thit bphn phi

ca tng khoang chy.

2.10.3.20 Cc dy in i ni bn ngoi cn h trong phm vi mt khoang chy phi c t

trong cc ng kim loi hoc hp, ging, knh lm bng vt liu c gii hn chu la khng nhhn REI 90 hoc khng nh hn REI 180 khi nm bn ngoi khoang chy. Cc ca i ca

ging v khoang k thut in phi l ca ngn chy loi 1.

3. T CHC THC HIN

3.1 B Xy dng chu trch nhim t chc ph bin, hng dn p dng QCVN 04-1:2015/BXD cho cc i tng c lin quan.

3.2 Cc c quan qun l nh nc v xy dng c trch nhim t chc kim tra, thanh tra

s tun th cc quy nh ca Quy chun nytrong hot ng thit k, thm tra thit k,xy dng, nghim thu a cng trnh vo s dng v bo tr cng trnh theo quy nh caphp lut hin hnh.

3.3 Trong qu trnh trin khai thc hin Quy chun ny, nu c vng mc, mi kin cgi v V Khoa hc Cng ngh v Mitrng - B Xy dng c hng dn v xl.

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Ph lc A

(Tham kho)

Hnh minh ha v thang b theo phn loi trong QCVN 06:2010/BXD

Up

Up

Up

TNGNGN CHY

CA NGNCHY

TNGNGN CHY

LY NHSNG TRN MI

LY NH SNGTRN TNG

MI TNG

1

4

2

1

5

Up

3

LAN CAN

CH DN:

1- Cu thang b loi 1 (cu thang kn, trong nh): Cu thang bn trong nh, c bao bc kn bi kt cu bung

thang v ca ra vo c kh nng chu la (ngn chy). Tng pha ngoi c th c l m.

2- Cu thang b loi 2 (cu thang b h, trong nh): Cu thang bn trongnh, khng c bao bc kn bi kt

cu bung thang, khng gian cu thang thng vi cc khng gian khc ca nh.

3- Cu thang b loi 3 (cu thang b h, ngoi nh): Cu thang nm pha ngoi nh v khng c bung thang.

4- Bung thang b loi L1: Kt cu bao bc cu thang b trong nh, c kh nng chu la (ngn chy), c l m

ly nh sng tng ngoi trn mi tng.

5- Bung thang b loi L2: Kt cu bao bc cu thang b trong nh, c kh nng chu la (ngn chy), c l m

ly nh sng t trn mi ca bung thang.

Hnh A. 1 - V d minh hacc dng cu thang b v bung thang b thng thng

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LAN CAN

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VO BUNG THANG I

QUA KHONG THNG

THONG BN NGOI L

MT LOGIA

M BO KCHTHC TI THIU

TNGNGN CHY

CANGNCHY

TNGNGN CHY

CANGNCHY

CANGNCHY

CANGNCHY

LAN CAN

VO BUNG THANG I

QUA KHONG THNG

THONG BN NGOI L

MT BAN CNG

Hnh A. 2 - V d minh habung thang b khng nhim khi loi N1

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GING KTHUT

CANGNCHY CA

NGNCHY

KHOANG MC P SUTKHNG KH

DNG

TRONG BUNG THANG

KHNG CN C P

SUT KHNG KH

DNG

b) Bung thang b khng nhim khi loi N3

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TNGNGN CHY

CANGNCHY

BUNG THANG C P

SUT KHNG KH

DNG

a) Bung thang b khng nhim khi loi N2

TNGNGN CHY

Hnh A 3 - V d minh ha bung thang b khng nhim khi loi N2 v N3