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Side Yard Interlock Repair -2

jameschen6 (梦想农庄-秋高气爽)
做base 的grading之前,先设计标高和坡度,想好雨水流向,我的坡度至少1%,这是我拍脑袋定的,也没查标准,再大点我觉得更好,可我的现状好像也大不了。原想很简单的事,结果,每天下班干点,干了一个星期。
我的base,下面很薄的granular A,也就50mm厚吧,上面是limestone screening,有150-200mm厚,其实,这limestone screening透水性不好,不适合做base/bedding,但我也懒得换了,如果是driveway,我可得讲究点。

Level Design


Grading


Grading





夯实很重要,原来的周边就是没夯实,结果下陷,为此,我专门买了一个hand tamper,$40,很好用。
谁要用,我出租啊,便宜~~~
Hand Tamper


Compaction






为pergola的post挖foundation,我挖了2-3 feet 深。标准要求是4 feet,达到冻土以下,我考虑,这是个pergola,foundation上下移动也没什么了不起的。四个孔中,有一个孔底有点软,我扔下6-7个鹅卵石,使劲夯,在放2 寸厚的gravel,使劲夯,其他三个,就放2 寸厚gravel,夯实。弄完后浇筑混凝土到地面。本来一晚上就能完事的活,赶上好几天下雨,干完一个,雨就来了,每天如此。结果拖三天。

Excavation


Location Check



Leveling



Concrete



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(#8851531@0)
2014-6-29 -05:00
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