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3.5ft比较稳妥.高DECK和低DECK对深度的要求是一样的,因为你的LOADING是一样的,冻土的上拔力frost heave也一样. 另外不建议自己挖坑,自己挖的坑直径太大,灌了水泥之后多余部分要回填回去,而这部分的密实度不够,桩容易倾斜.最好上home depot租个机器,半天就搞定了.3 |4 K2 |2 F- b; n$ P5 n
( o' \, |5 n: ]- j: I超过3级台阶的DECK都要有扶手,2ft以上高的deck都需要申请permit.
" ?6 K$ \$ T. H5 U" ~8 W1 i5 J W; L$ Y4 v( d0 l& J
Construction of a uncovered deck requires a development permit and building permit if they are:1 V9 x& _, N" Z0 r8 n
More than 0.6 m (2 ft) above grade 4 x* h4 Y$ a/ u' [
Located in the rear or side yard 0 K) L# Y5 h$ G. J+ S& l% ?
详细情况请见1 O1 M( ~7 L" ]9 V, @0 T4 _2 n
http://www.edmonton.ca/portal/se ... provements/Deck.htm |
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