• Steve JM

Rumus Tangga


Rumus tangga kebakaran versi TPAK:

2 tanjakan + 1 pijakan = (60~63.5)

- riser(tanjakan) 115-190 (lurus) 140-220 (spiral) - tread/going (pijakan) 240-355 (lurus) 210-370 (spiral)

2T+P= 550 hingga 700 (jika lurus)

2T+P=590 hingga 680 (jika spiral)

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