My WebLink
|
Help
|
About
|
Sign Out
Home
Browse
Search
FLOOD02099
CWCB
>
Floodplain Documents
>
Backfile
>
1001-2000
>
FLOOD02099
Metadata
Thumbnails
Annotations
Entry Properties
Last modified
11/23/2009 12:57:57 PM
Creation date
10/4/2006 10:36:48 PM
Metadata
Fields
Template:
Floodplain Documents
County
Adams
Community
Thornton
Stream Name
South Platte
Title
Mountainview Subdivision Drainage Report
Date
9/4/1980
Prepared For
CWCB
Prepared By
PRC Toups
Floodplain - Doc Type
Floodplain Report/Masterplan
There are no annotations on this page.
Document management portal powered by Laserfiche WebLink 9 © 1998-2015
Laserfiche.
All rights reserved.
/
65
PDF
Print
Pages to print
Enter page numbers and/or page ranges separated by commas. For example, 1,3,5-12.
After downloading, print the document using a PDF reader (e.g. Adobe Reader).
Show annotations
View images
View plain text
<br />PRCToups Corporation <br /> <br />pf'C <br /> <br />.~ <br /> <br />NUMBER <br /> <br />POLICY DIRECTIVE TITLE <br /> <br />79-2-01 <br /> <br />Trickle <br /> <br />79-6-02 <br />79-7- 1 <br /> <br />Stor~ Drainage Easements <br /> <br />Drainage Report Runoff <br /> <br />Determinatior Dated 7/15/79 <br /> <br />and Revised 1/16/80 <br /> <br />79-9- 8 <br /> <br />Maxin um Pond Depths for <br /> <br />Parkin9 Lots <br /> <br />79-9- 9 <br /> <br />Storn Sewer Des i gn <br /> <br />Additionaly, th" Fed"ral Aviation Mninistration methcd of detention <br /> <br />pond sizing has been utal ized to size detf'ntiqn ponds sho~m herein. <br /> <br />III. HISTORIC rONDITIONS <br /> <br />As stated earlier in this report, the Mountain View Subdivision <br /> <br />site is approxii'atcly 109 acres. Fxamination of existing Topography <br />v ~ <br />reveals that th, site slopes from the northwest corner to the southeast. <br /> <br />As the property has historicJly been used for agricultural purposes <br /> <br />and beca~s8 of I:Jtul'al geol()~ic events, th~ site in question slopes <br /> <br />c <br />at an average s ,oP" of about t\'.':) percent p, Prel i:ninor\' Subsurface <br />, " <br /> <br />lnvcstigatio!~ p(,t"for~:ed by ,,',guin'e Engineers. Inc. in December, <br />19791finds the cubsurfilce soils to be "fairly erratic". The soil <br /> <br />types vary from natural soils vlhich consist of Sundy, silty clay; <br /> <br />sandy to vet.y seney clay; vel'y sandy clay to >lery clayey sand; clay <br /> <br />and clay-sand; 10 weilthered bedrock which con;ists of clay stone and <br /> <br />-4- <br /> <br />'7 <br />, <br /> <br />
The URL can be used to link to this page
Your browser does not support the video tag.