HomeMy WebLinkAboutLot Certifications - 12/27/2006 nE NORTHERN ADDRESS: PHONE:970.221.4158
WEBSITE:
200 S.College Ave.Suite 100
ENGINEERING Fort Collins,CO 80524 FAX:970.221.4159 www.northernengineering.com
December 8, 2006
Mr. Jay Barber STORM WATER
Stormwater Utilities RECEIVED
City of Fort Collins
700 Wood Street .JH.A 8 2006
Fort Collins, Colorado 80521
RE: Rigden Farms Second Filing
Grading Certification for Lot 20
Dear Mr. Barber,
This letter is in regards to Lot�O at Rigden Farms Second Filing, and in particular, to provide the City
with a Grading certification for this particular building. Lot'k is addressed as 2550 Custer Drive. The
basis for our evaluation is the survey information provided by RJL Surveys, dated November 7, 2006,
and a site investigation December 8, 2006.
I have attached a copy of the elevations provided by RJL Surveys shown on the approved grading plan.
The approved construction plans called for finished floor elevations to be gradually stepped from
4922.65 to 4923.15; the actual finished floor elevations were all 4923.16, leaving the buildings with no
step between units and slightly higher than proposed. The majority of spot elevations show 0.20' or less
difference from the approved grading plan. There is a spot that varied 0.6' from approved plan, the site
investigation verified that the area exhibits positive drainage. There does appear to be sufficient grade
away from the buildings to encourage positive drainage, the lot grading does essentially comply with the
approved grading plan.
Please let me know if you have any questions regarding this certification.
nicer ,
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/ FF=24.12 , 18
TF=23.12
F0 ==?2.6
4 `� F F=23.87
Q A- \ \ TF=22.8 \
/ FG=22.- \
FF=23.62
/ 0 4?.4-\ 22.E TF=22.62
/ C9 \ FG=22.12
4 / 23.16 j
FIF
22 F=23.37
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FF=23.15 7F=22.37
TF=22.1 \ FG=21 .87
FG=21 .6-
FF = 23.16 FF=23.1
/ = Z90 \ TF=22.1
/ \ - TF=21 .90 ` ' :' FG=21 .E
FG=21 .40
\20 \ FF=22.65 -
TF=21 .65
-21 1
4
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21.4
LOT 20 FF=22.1
TF=21 .16
RIGDEN FARMS FG=20.
DESIGN TEXT 1g 15 44
AS-CONSTRUCTED TEXT
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FF=21 .90
30 0 30 60 90 Feet \ 18g FG=20.40
( IN FEET ) \
1 inch = 30 ft. \
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