Kodi malamulo a handrails ku Canada ndi otani?

Yasinthidwa ndi: Viewmate All Glass Railing

Ku Canada, malamulo okhudza ma handrail ndi guardrail amayendetsedwa makamaka ndi National Building Code (NBC). Komabe, madera monga Ontario (OBC) ndi BC (BCBC) ali ndi mitundu yawoyawo.

1. Zofunikira pa Kutalika

Masitepe: Zogwirira ntchito ziyenera kukhala pakati pa 865mm (34″) ndi 1070mm (42″) zikayezedwa molunjika kuchokera kumphepete mwa sitepe (kukwera masitepe).

Alonda (Mabalakoni/Malo Otsetsereka): Ngati chogwiriracho chimagwiranso ntchito ngati choteteza (monga, pa khonde), chiyenera kukhala ndi kutalika kwa 1070mm (42″) pamene dontho likupitirira 600mm (24″).

2. Kugwira ntchito molimbika

Njanji iyenera kukhala "yosavuta kugwira" kuti ikhale yolimba ngati itagwa.

Ma Rail Ozungulira: M'mimba mwake wakunja uyenera kukhala pakati pa 30mm ndi 43mm (OBC imafotokoza 30mm–50mm).

Ma Rail Osazungulira: Ayenera kukhala ndi mzere wozungulira pakati pa 100mm ndi 155mm, ndipo kukula kwake kwakukulu kwa gawo lopingasa ndi 57mm.

Kutsegula: Payenera kukhala malo osachepera 50mm (2″) pakati pa chogwirira ndi khoma/galasi kuti zala zizitha kudutsa momasuka.

3. Kupitiriza ndi Kutha kwa Ntchito

Kupitirira: Zogwirira ntchito ziyenera kukhala zopitirira kutalika konse kwa masitepe. Pa masitepe otakata (oposa 1100mm), zogwirira ntchito zingafunike mbali zonse ziwiri.

Kutha: Malekezero ayenera kubwezedwa kukhoma kapena pamtengo. Izi zimateteza zovala kapena matumba kuti asagwidwe pa njanji, zomwe zingayambitse kugwa.

4. Mphamvu Yonyamula & Kapangidwe

NBC ya ku Canada ndi yokhwima kwambiri pankhani ya chitetezo:

Zogwirira ndi zoteteza ziyenera kupirira katundu wolemera wa 1.0 kN (pafupifupi 225 lbs) womwe umagwiritsidwa ntchito mbali iliyonse nthawi iliyonse.

Pa makina agalasi, magalasi oteteza otenthedwa kapena oviikidwa omwe akukwaniritsa miyezo ya CAN/CGSB ayenera kugwiritsidwa ntchito.

5. "Zotsatira za Makwerero" (Zoteteza)

Kwa zaka zambiri, Canada inaletsa njanji “zokwera” (zopingasa). Ngakhale kuti NBC ya 2015/2020 yachepetsa izi pang'ono pa ntchito zina zapakhomo, oyang'anira ambiri am'deralo akadali kugwiritsa ntchito lamulo losakwera. Kuti mukhale otetezeka, onetsetsani kuti kapangidwe kanu sikalola mwana kukwera njanji ngati makwerero.

Chigamulo: Nthawi zonse funsani dipatimenti yomanga nyumba ya boma lanu musanayitanitse zipangizo. Ngakhale kuti NBC imapereka dongosolo, oyang'anira am'deralo ndi omwe ali ndi mawu omaliza pa "zilolezo zokhazikika."