Size cikin sharuddan daya da rabi daga cikin manyan rufi.

Input data
Da nisa daga cikin rafters 150 mm
A kauri daga cikin rafter 50 mm
Babban rufi overhang 500 mm
Nisa daga cikin manyan rufi a kan garun 6000 mm
A tsawo daga farkon ga kunya da rufin 3000 mm
Da tsawon babban rufin (hobbyhorse) 6200 mm

Girman da babban rufin
A tsawo daga cikin manyan masana'anta rufin 4950 mm
Da nisa daga cikin yanar gizo (hobbyhorse) 6200 mm
Yankin daga cikin manyan rufin 30.69 (61.38) square mita

Rafter tsawon 4950 mm
Yawan trusses 11 (22)
A girma na kayan rafters 0.41 (0.82) mai siffar sukari mita
Yawan layuka na allon lathing 25 (50)
A girma na allon lathing 0.58 (1.16) mai siffar sukari mita ko 26 (52) guda na 6 m
Yawan main rufi abu rufin 36 zanen gado
2.5 jerin in 7 takardar nisa kan kowane rabi
Yin rufi abu (kwalta, yin rufi abu ...) 62 square mita
Ruberoid 5 Rolls (15 square mita da yi) ko glassine 4 Rolls (20 square mita da yi)
A lokacin da hadin gwiwa da shi 10%

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