HomeMy WebLinkAboutSite Certifications - 05/31/2013• ISDI SnuTy
C.ot.LEGE AVENUE
r-oaT CoLLTyI/S� (.o Posas � i
/ COMMERCIAL, MULTI -FAMILY AND SUBDIVISION
103500 w�loo a.\ 9f(s a I TCERTIFICATION CHECKLIST
lu�wt sRY•W o+� �ZS't 1 'pD Sw.w.`a �yrpl�c+s
FCftyof
ort Collins
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Please fill in all applicable items in this Certification Form for Commercial, Multi -Family and
Overall Single Family sites. A copy of the approved grading plan must be submitted with the as -
built grading plan.
Use "OK" for items checked or actual numbers for items verified/surveyed in the field.
Use "N/A" for items that are not applicable to the site that is being certified.
Please provide an As -Built Redlined or Mylar drawing showing the following:
A. Detention Facilities Certification
1. Pond Certification
N
• Provide Topographic Records and Volume Verification Calculations
• Provide Pond Cross -Sections and Spot Elevations (especially @ Pond Embankment and
Pond Flow Line)
• Positive Fall to Pan (if applicable)
• General Pond Grading including all Side -Slopes
• Invert Elevation
• Forebay Construction and Elevation
• Spillway Weir (Location, Elevation, Height, Opening Width)
• Placement and size of riprap or alternative permanent erosion control measures
• Orifice Plate and/or Water Quality Outlet Structure Installation
• Water Quality Capture Volume (Volume Required, Volume Provided and Water
Surface Elevation)
• Berm and Embankment Compaction Level
• Subsurface Media for Water Quality Ponds and Swales
2. Swales
• Location (are they within easement?)
0k
• Dimension and Cross -Section Verification
a
• Longitudinal Slopes and Side -Slopes
(7k
• Spot Elevations
Ok" C"r/+M'Pr Pl' llr or CwOtE xr ccss TIJA� rre"Ise: g•'T J<<r EI Aae sracc olc
• Permanent Erosion Control Measures (drop structures, riprap, lining)
ak
• Tie-in to Storm Lines, Pans, Curbs, or other appurtenances
o is
• Required Minimum Freeboard, Provided Freeboard
N (W
• Landscaping Infringement on Flow Line?
bk
3. Pipes
• Size and Type
o le
• Slopes (As -Built and comparison to 0.4% Minimum)
Ok- WEST 12" i=S i£!r If4i✓ MFwr~,v ) BuT rrPtc yqt PatrrTv o2pr.,46g
• Pipe Capacity Calculations (if slopes are significantly altered from design
Njp
• Invert Elevations
0V
• Installation and Backfill
Ok
• Cover
Ok
• Encasement and Clearance from other nearby utility lines
N j it
• Joints Type and construction
p k
2
V Ilk 4. Concrete Pan Channels
r�TV. rzE • Size
�eT SS
L�yC0.fTr
• Slope
• Cross Section
• Thickness
• Elevations
RoCity of
Collins
1 " �rt���
5. Inlets
• Size and Type
Lpi�
• Size of Opening (or name of Standard Detail used)
Ok
• Grate Elevation
0K
• Invert Elevation
Ok
• Box Size
0 Lc
6. Street Cross -Pans
• Size
Ok
• Type
Ok
• Grade
0 iG
• Elevations
Ok
• Cross -Sectional Depth
Ok
• Tie-in to Curb and Gutter
OIL
3
Fort Collins
7. Culverts
• Size
• Type
• Invert Elevations
• Headwalls or Wing Walls
8. Sub -Drains
• Size
6 is
• Type (Perforated/Solid)
6k
• Cover
oK
• Backfill
Die
• Geo-Textile Liners
Uacq$ E-2V$6ZE
• Clean -Outs
6k
9. Curb Cuts
• Size
Ck
• Tie-in to Swale, Pipe or other appurtenances
ek
B. Certification of Grade Elevations Adjacent to Drainage Facilities:
• Minimum Opening Elevations
• Top of Foundation Elevations
• Comparison to 100-year Water Service Elevations
• Comparison to Freeboard Elevations and Base Floodplain Elevations — BFE
4
of
Fort Colllns
C. Certification of Erosion Control Measures:
1. Permanent BMP Measures:
• Permanent Vegetation (no more than 6" bare spots and weeds under control)
G is
• Riprap or alternative permanent erosion material
oV-
• Riprap Bedding
VIA
• Cut -Off Walls or Channel Drop Structures Cross -Sections
Ok
• Sediment Basins
CU �_
• Water quality ponds/Sand Filter/Bio Retention Construction and liners
Gk
• Permanent Netting Mats or Blankets
U is
• Mulching and Seeding
ok
2. Temporary BMP Measures:
• Mulching and Seeding
0k
• Temporary BMP Measures as shown on Erosion Control Plan
CV
D. Post -Construction Site Cleanup:
• Construction Debris Clean -Up
ek
• Smoothing of Ruts in all Construction Areas
c i<
• Reseeding of all Areas Affected by Construction Activities
C k_
5
CCAQty of
Collins
E. Statement of Compliance:
This certification is signed and stamped and by signing this form the Engineer(s) attests
that they have inspected the site and to the best of their knowledge the as -built conditions of
the drainage facilities are as described in the above form and in the As -Built plans enclosed.
Failure to properly disclose all known information could result in the rejection of this
certification and prevent the release of any and all Stormwater Utility permit holds on Building
Permits and/or Certificates of Occupancy within this development.
F. Signature and Stamp by a Colorado Registered Professional Engineer
19
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NOTE: AS -BUILT SURVEY POINTS PROVIDED
BY WASHBURN LAND SURVEYING AS
COLLECTED ON 05/24/13 AND
01/20/2014.
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DESIGNED: CAG
DRAWN: MAP
DATE: 02/13/14
SCALE: AS NOTED
PROJ#: 1034-021
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NOTES
MOOPIIN L IL1t01N REEFlE11LE rGr FlNI IUP NUBa:
- 01IM01979R EFEC D\lE WY 2. 2m2
2.
BASE RDCU MMIAN On 49112B5 FEET (14ao 29),
496506 FEET (NAND 0). NTIOMLATEO nqY FIRMI YIP
AND S NPEY
WIN FLOOR ELEVATION (NORM): 4911196 FEET (MIND 12),
A9N9e FEET (NAND a)
WAN FLOOR ESEMTgI (SOIIM): 4111111111 FEET (NIN1 29), I
40]1 FEET (NAND M)
IAET FImR ELEVATION;wN93 fFET (HIM 20 ). M! BS
FEET (AMA M)
NNC ERVARN (Rat TOP UNIS): 500336 IFET (MRD 29),
56De3e REI (NAND M)
].
ALL ALTMIES N m CINENT DWCm F1mON1AN AM
SBEM ro TIN REQUIREMENTS; OF C u to a M
AIINPAL CODE 1
4.
ALL R\ElON1ENT ACRAIES IN m nOWPVB 4IIST BE
nE-MPRDA'D oRDllp1
5.
(W) NFImR1IN-119E-9QEB.
NOMMFICATE a WCTf9ALT WILL BE :0 WtO A
FBA FLOW EIEVATBN CWIEIGTE a NEN AWTTWS.
6,
PaOR TO CO6TRWM CNRrLfOI SATE war ELaDIOI6
OF THE FLON/IE ON START STREET To BMW ATTEDINTE
DRAINAGE.
7.
ADAIST DOSTIIC flaw OPABI SILT RY ro rwE LIARS.
III AND SUvmI AREA TO 9E SLIGHTLY RA® TO
1
DI ECL CONCENTRATED FILMS AIDIIID m A!£T ro TIE
1
PORo115 LYBSCWE DETENTION MEA MEi SWL ALT AS A
SECaBVff DENDE W A nODT E1IIR.
1 e.
ON A IELMM BASIS TINE CONRNICROt SAIL NS'ECT AND
I
KEEP THE NEINE STAB NATO GIEa VLM FREE n
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R96s FOR m asu" a m CaaACT. USN
CRPIE11O1 a THE COMPACT, THE WIRRILTOR S\t1 I
j
PINNDE m me MIN IRAAO FOR THE OPQIDIW AND
I
NNIIENANKE a D[ oNEa VALVES.
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City of Fort Collins, Colorado
UTILITY PLAN APPROVAL
APPROVED:
cNECIRo BycilECKEDITY
OW
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cNECREDBY
CNECRED BY
CNECNED
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CNECNEDBY: _
1801 S.
COLLEGE
RENOVATION
PHASE 2
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GRADING, DRAINAGE
AND EROSION
CONTROLPLAN
_ C-100
SHEET 5 of 12
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