First Pass at Site Grading - feedback?

[eyestrain]

This is my first attempt at the site grading vignette after reading through multiple forums/study guides/youtube videos. I'd love some feedback just to make sure I'm on the right track. Thanks!

[Liam's_Dad]

My $0.02:

general rule is to orient the building parallel to the contours.
I think your pad elevation is actually 106'-6"
Your swale (contour 107) should end up being the elevation in which your pad is "built". Bring the 107 contour (West of the swale) to the West of the building.
make sure you have the MINIMUM slope requirement (i.e. 2% or 50'-0") - not sure you have it between 106 and 107.
Try not to direct water right at the existing monument/smokestack

[eyestrain]

Most of the solutions I've looked have have stated to turn the pad perpendicular to the contours. Am I just misunderstanding you or did I do this incorrectly from teh start?

[Liam's_Dad]

I haven't seen many the are oriented perpendicular. Spend enough time looking through solutions, and I think you'll see what I mean.

I'd imagine a passing solution can be perpendicular, but it's seems to require more earthwork.

It's far more important to get your swales and pad elevation correct.

[malyafka]

your 107 line is not placed correctly, it should loop around the platform, look at the ncarb passing solution.

[eyestrain]

Malyafka - thanks for pointing that out you're right i did forget to wrap 170 around the platform. I've been reading the DORF solutions and they show perpendicular and parallel versions. I guess the key is more that the swales are perpendicular to the contours correct?

[malyafka]

you just have to picture it... you need a depression all around the platform and the rest of the contours provide a gradual slope toward that depression so that the water never makes its way to the platform