# Bowstring-a stairs awm zat chhiar dan

scale lem ziah 1:

Dimensions chu millimeter-ah tarlan rawh

hawnna san zawng Y
hawnna sei zawng X
Ladder zau zawng a ni Z

Step awm zat C

Step thickness a ni W
Step sir atanga rawn chhuak (protrusion) a awm F
Bowstring a thuk zawng a ni T

## Thing staircase pakhat, bowstring hmanga siam, a dimension chhiar dan

Dimension mamawh chu millimeter-in tarlang rawh

X - stair hawnna sei zawng
Y - Ladder san zawng a ni
Z - Ladder zau zawng a ni
C - Step awm zat
W - Step thickness a ni
F - ledge step hrang hrang a awm
T - bowstring emaw stringer emaw thickness
H - Risers te chu entir rawh
LR - stairs lam panna lam hawi
SP - step hmasa ber awmna chu second floor-a floor level nena khaikhin chuan

Programme neih theihna tur.

Bowstring-a thing staircase design awlsam tak chhut.
Thil mamawh zat tur tihfel.
Part zawng zawng dimension dik tak.
Stairs-a element zawng zawng chipchiar taka drawing leh diagram.
Stairs-a awlsamna tur rawtna.

Stairs awlsamna chhiar dan chu step sei zawng atanga formula hmanga chhut a ni.
Mihring ke pen sei zawng hi cm 60 atanga 66 inkar a ni a, a vaiin cm 63 a ni.
Staircase nuam tak chu formula nen a inmil a ni: 2 step heights + step thuk tak a ni = 63±3 cm.

Stairs atanga a hniam ber chu 30° atanga 40° thleng a ni.
Stairs step thuk zawng chu pheikhawk size 45 - a tlem berah 28-30 cm nen a inmil tur a ni.
A thuk lohna chu step atanga a rawn chhuak hian a khum thei a ni.
Step san zawng hi 20-25 cm thleng a ni tur a ni.

Author of the project: Dmitry Zhitov