HomeMy WebLinkAboutSite Certifications - 01/03/2008EN6INEEAS
January 2, 2008
Mr. Jay Barber
City of Fort Collins - Utilities
700 Wood Street
Fort Collins, Colorado 80522
Re: Good Samaritan Society Fort Collins Village — Six Bed, Private Room Addition
KBN Project No. 06032 70 z3G�
Dear Jay,
ll�
Please find attached the following items for Good Samaritan Society Fort Collins Village
— Six Bed, Private Room Addition:
1. One (1) 24"x36" print, sheet 1 of 1, As -Built Drainage Improvements
2. One (1) copy of the Drainage Certification Form (5 pages)
Please call) if you have any questions.
Thank Vlu, I
Ketterling, Butherus & Norton Engineers, LLC.
820 8th Street / Greeley, Colorado 80631 /' tel 970-395-9880 / fax 970-395-9881
GOOD SAMARITAN SOCIETY.- FT. COLLINS VILLAGE
KBN PROJECT No. 06032
JANUARY 2, 2008
DRAINAGE CERTIFICATION FORM
Please fill out all applicable items in this certification
form for single family, multi -family and commercial
properties.
Write "OK" for items checked or actual number checked in
field.
Use "N/An for items that are not applicable to the property
that is being certified.
A. Drainage facilities certification
1. Pond Certification
-volume verification
a.topographic records and volume
b.cross-sections and spot elevations
-positive fall to pan
-side slopes
-invert elevation
-spillway elevation
-placement and size of riprap
-side slopes
_grading
-orifice plate installation and size-
-compaction of berm
-structural integrity of pond
2. Swales
N/A
-location (are they within easement) OR
-dimensions and cross-section verification OR
-longitudinal slopes and side slopes (1)
-spot elevations WITHIN 3" t (2)
-permanent erosion control measures (drop structures,
riprap, etc....) N/A
-tie-in to pipes, pans, curbs, etc.... N/A
-weir size (elevations, size, opening, etc.) N/A
-available freeboard N/A
-landscaping infringement on swales N/A
3. Pipes N/A
-size and type
-slopes (as -built and comparison to minimum 0.4%
slope)
-pipe capacity calculations if slopes are
significantly altered
-invert elevations
-installation and backfill material
-cover
-encasement and clearance from other utility lines
close by
-joints
4. Concrete Pan Channels
-size
-slope
N/A
-super elevation
(1) Longitudinal: varies from 0.7% to 1.64% design = 1.00%
(2) Note: Low spot in channel upstream (Approx. 25') of fire access
road culvert
-cross .section
-thickness
-elevations
5. Inlets N/A
-size and type
-size of opening (or name of standard used)
-grate elevation
-invert elevation
-box size
6. Cross pans N/A
-size
-type
-grade
-elevation
-cross-sectional depth
-tie-in to curb and gutter
7. Culverts (3)
-size OR
-type OR
-invert elevation OR
-headwalls FLARED END SECTIONS
8. Underdrains N/A
size
-type
-cover
(3) Four (4) Culverts, Three were shot in the field.
East bldg. entrance culvert not shot
. 41
-backf ill
-geotextiles
-cleanouts
9. Curb cuts N/A
-size
-tie in to swale, pipe, etc...
B. Certification of Grade Elevations Adjacent to Drainage
Facilities: N/A
-minimum opening elevations
-top of foundation elevations
-comparison to 100 year WSEL's (Freeboard
requirements and floodplain issues)
C. Certification of Erosion Control Measures:
1. Permanent Measures:
-Permanent vegetation (6" bare spots and weeds under
control)
-riprap OK
-riprap bedding
-drop sections N/A
-sediment basins/water quality ponds N/A
-netting mats/blankets N/A
-mulching N/A
2. Temporary Measures: N/A
-mulching
-inlet filter installation
-check bale dams
-seeding and temporary vegetation
-silt fence
D. Site Cleanup After Construction N/A
-construction clean up
-smoothing of ruts
-reseeding
E. Statement of Compliance
By signing this form the engineer attests that, to the best
of their knowledge from the information provided by the
surveyor, the as -built conditions of the drainage facilities
are as described above in the Drainage Certification Form.
It is understood that failure to properly disclose all known
information could result in the rejection of this
certification and prevent the release of any Stormwater
Utility holds on Building Permits and/or Certificates of
Occupancy.
F. Signature and Stamp by a Colorado Registered
Professional Engineer.
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Frederick Lend Surveying Inc. I' 1
{ SaM(9,D)P669-2100, To, (970) 669 3]35
Project M� I 'sd TY\ SHEETS
SHEET
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