$ p- [- P0 `( k# o, U. jThe survey can be dont by registered engineer or government survey person. The cost is about $300. If your final grading is not finished properly accroding to the design requirement, you maybe be required to do it. The survey is done by testing those points of design.
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I did the final grading and landscaping myself. My topsoil is much thicker than those professonal company. I calculated the volume of topsoil according to 4 inch thick layer. The survey passed one time. But my several neighbours seldom passed the survey one time. Major reason is that those company they hired didn't use much topsoil.
我爱music 发表于 2012-4-14 20:56 , H" Y* w9 C. r4 R0 S5 {/ P+ L/ |
明白了,可是那些points of design我们老百姓没啥相关知识的能读懂吗,还是安全起见,花钱请所谓专业人员完 ...
9 E$ J* W& B; l4 A" |* T! B2 c
I did the final grading and landscaping myself. My topsoil is much thicker than those professonal company. I calculated the volume of topsoil according to 4 inch thick layer. The survey passed one time. But my several neighbours seldom passed the survey one time. Major reason is that those company they hired didn't use much topsoil.
我爱music 发表于 2012-4-14 20:56 . m& r2 R& z6 b) F) @* C. D) l明白了,可是那些points of design我们老百姓没啥相关知识的能读懂吗,还是安全起见,花钱请所谓专业人员完 ...
% ]2 {- Z" u+ z) ^
I did the final grading and landscaping myself. My topsoil is much thicker than those professonal company. I calculated the volume of topsoil according to 4 inch thick layer. The survey passed one time. But my several neighbours seldom passed the survey one time. Major reason is that those company they hired didn't use much topsoil.
我爱music 发表于 2012-4-14 20:56 : q, @7 v- d5 ?# Q0 W7 t4 @
明白了,可是那些points of design我们老百姓没啥相关知识的能读懂吗,还是安全起见,花钱请所谓专业人员完 ...
6 T5 c" F* B1 ^I did the final grading and landscaping myself. My topsoil is much thicker than those professonal company. I calculated the volume of topsoil according to 4 inch thick layer. The survey passed one time. But my several neighbours seldom passed the survey one time. Major reason is that those company they hired didn't use much topsoil.