HomeMy WebLinkAboutSite Certifications - 07/28/1995 (2)f �r
i• i ! I
I ! fY
AIRES
ASSOCIATES
July 28, 1995
Mr. Basil Harridan
City of Fort Collins Stormwater Utility
235 Mathews
Fort Collins. Colorado 80521
Re: Harmony. Market PUD, Tenth Filing Drainage Certification
Dear Basil,
+.rat
,11
This letter addresses grading and drainage issues associated with the above -referenced
project. A Grading, Drainage, and Erosion Control Plan for Harmony Market Tenth Filing
prepared by RBD, Inc. was signed by Glen Schleuter on November 29, 1994 (initial plan). A
short time after Glen's approval of the initial plan, the site plan changed and the grading plan
was slightly modified by RBD (revised plan). As you and I discussed earlier on the telephone,
the revised plan is the grading plan on which we will base our drainage certification.
Recently, our surveyors determined elevations at various locations on the site. I have included
a copy of the revised grading plan with the surveyed elevations written in red ink and
highlighted (I have also included a copy of the initial grading plan with the surveyed elevations).
The surveyed elevations very closely match the design.elevations shown on the revised grading
plan. The maximum difference between design and actual elevation at any given location is
0.26 foot; however, this elevation difference does not change drainage patterns from the
intended patterns. The first floor elevation is sufficiently high that drainage flows away from the
building to the parking area and there is positive drainage throughout the parking lot. The curb
-and gutter along the south edge of the project existed prior to construction at the site; parking
lot and curb and gutter elevations tie in to the existing curb and gutter without problem
In summary, the drainage patterns on the site match those shown on the revised grading plan
prepared by RBD, Inc. Thank you for your immediate attention to this matter.
Sincerely,
e Aten,
Associates, Inc.
Scott QuP.E.
Civil Engineer
SQ:sp
Enclosures
cc: - Drahota Construction
Owen Ayres & Associates, Inc.
Engi nee rs/Scientists/S urveyors
3665 JFK Parkway, Building 2, Suite 300, P.O. Box 270460, Fort Collins, CO 80527
(970) 223-5556, Denver Metro (303) 572-1806, FAX (970) 223-5578
cAd ata\wp51 \hamd-728.Itr
34-0228.00
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END OF FXNT.`Y`
tl W— CURB k Gu i$R
BENDA EXISTING AT
AND REDUCE W/PF AI- /
THICKNESS ASPRA.I
• M 0 LI ei\ 20TOTH
THIS AREA DRAINS
TO ME OAKRIDGE REGIONAL
DETENTION POND
DID A I Gets
a'e• �..a if+a» to
3454) OR 0100=2_ICIa
A �'w ,mow.. .A
All
DEpREsi TOP p CURB In . • I
TO MATCH PAN MONEME 1
$❑
I.. NG SOEM' RETAINING WALL-- i1
(SEE BUILDMG DWGS)
tD j-NEW 5
RETOPE WAiK
lX
_ Y
STORE
f,
FF=90.00"TI 1
'✓rr
INSTALL PERIMETER
SET FENCE AT
H �BEGINNING OF CONSTRUCTION
G a ow
IT
,..
If Imo__ t ae
IVYI
1u*Ii� ar _ Is
Or oerew
fr
L UTLITv� ACCESS MID
DRAINAGE EA$EMFNT
EXISTING EDGE
W ASPHALT
EXISING SITE HYDROLOGY
Tots Argo; 1.13 ac
Rat Ul 'C': 0,20
W9e
W
lx
ILI
700
INERT
0 (b 12 Ic s Ad, !I M('ERJ
IF N�RB SILP l \ BET Y CLEAR
\ BETWEEN G.H.
UMIT OF J k SIDEWALK
PAVEMENT Ad CONG MAIL BOXES
ULL (ME
TE K SEATPAVEMENTk CONC. PPD. TO BE
w4LL (SEE TOTE BEL'>w) R¢ocArcD
Lr
FINAL PLAN
PAVEMENT THICKNESS ALTERNATES:
Passenger Car Parting
AvEdt Concrete 3
Crushed Aggregate Bass Course 6"
Told Paroment Thickness
9
DRAM
AM BASIN
STATISTICS
O1Oe1ol° and Truck Loading Ended
Gres.
Molbd Area:
1.128 ac.
(Let
1)
Own
Area BnM
1 'C:
0.89
Asphalt Concrete
3.
Gros
Area Basin
0-2 "C''.
0.35
Net
lottiol Arco:
1.125 oc.
(Lot
1)
Groans Aggregate Boss Course
10'
Net
lotheat Mee
B 1 'c':
0.89
Not
latted Area
Bases 0 2 OCR
: GM
Told Po'mm t MlCkmod
13"
On- to Dertentbn' Name
Bol 0 1
MIT noN SUAWMY
Bog, I DroMa: 1
Meer RNana Bob: 269 Sleets Ali~ Delmtbn Pond
Res: ed Vdume: 283 oc-n (Harmony Market PU.D.
Do". Fourth, Seventh k Twi Filings)
vole Provides: 2a2 aa-R
Sort. a Area. SteMee Market Existing Binding Lot
To 1c Flows to Dept -To, Pond: Don- 6.0 cls. Omc- 121 cfa
NOTE'.
1, ALL SPOT ELEVATIONS SHOWN
ARE FLOWME OR TOP OF
PAVEMENT.
2, WATER LINE SHALL HAVE A
MINMUM OF C5 FEET W COVER AND
A MAXIMUM W 5.5 FEET OF COVER
3 BECAUSE ME SANITARY SEWER MAN
IS APPROX. ]' DEEP. AN EJECTOR PUMP
WLE BE REQUIRED FOR BASEMENT SERVICE.
!. DATE OF TWO: 7-26-94
5. ANY REQUIRED RESTORATION W MAT
WALLS RESULTING FROM SANITARY SEWER
MAINUNANCE AND/OR CONStRUCTON
SHAl1 PIT ME RESPOTSIBILrtr OF THE
OWNER.
6. PROP TO FINAL INSPECTION AND ACCEPTANCE
Bl THL CITY, CERTPCATION W THE DRAINAGE
F40D'EE. BY A REGISTERED ENGINEER. MUSI
HE SUEM'. TTFD TO AND APPROVED BY THE
It"A 'ER UTILITY CERTE-CATION SHALL BE
5UNMIT-Tp TWO WEEKS LRr_P TO THE RELEASE OF
ANY 2FR9FICATE OF OCtJPANCY A5 PER
DE.EI]PMENT AGREEMENT,
LEGEND
D EXISTING MANHOLE
IT EXISTING FIRE HYDRANT
EXISTING CONTOUR
—89Y' PROPOSED CONTOUR
FLOWLINE
11111111121 INFLOW CURB At GUTTER
OUTFALL CURB k GUTTER
-- DIRECTION OF FLOW
PF. FINISHED FLOOR ELEVATION
C.O. CLEAN OUT
T/W TOP W WALL
h' EMSTING SPOT ELEVATION
PROPOSED SPOT ELEVATION
ZL DESIGN POINT
.t. I, OR
R.A. DRAINAGE BASIN BOUNDARY
T BASIN NUMBER
lA4 AE 84SIN AREA
100 YEAR HOP.. FOR POND "I'
l DRIWWACA AND TRUCK
J LOADING
AREAS
-� ASPHALT REMOVAL
AND REPLACEMENT AREA
-� SILT FENCE
EROSION_CONTRO.
NOTES
1. As the first step in the co
I It In P-ocesa, the
Protect site aU hole 0 SIL
I nadled
onsand
theone
caventConstructionhFn
m
g
2 After the I-,t fiding ir
t Is shception has
been compleFor the pmu , j
I ,rface Ali r be
<
the curb, U g d pp
After
Ingulotion of thE curb.
e p meM rfaces
the per t ,meOp
(grass sad) will be
installed to protect Me t
�- .nd Once all of these
improvements hn.e bnn r--
I hed, the sediment fence
con be rlmOv9d from th, %
Y, site.
3, All mud k deb'S Faetea [
s'.,,a sheets shall be
deared do bf aohlool•.
i 'A
oCFirM QF mLCaAE_
1-800-922-1987
of 534-6700 S
CALL ECAeYOU M,GR� In EXCAVATE
rI��IIKnJ ORMuceelnaaW
City of fort Collim, Colorado
LAN��P OVAL
APPROVE 0 7UXry /�
Dieater d Gpa« 1: AL
CHECKED BY:
r k T add UWit pNM
CHECKED BY f141-14
okr BUT T Mid
CHECKED BY: NA-
Pnb k Recrullav poly
CHECKED BY
DA's
CHECKED BY:
-- I
Din AHF DKD Engineering Consultants
O C _ NMH . +4-CF5 T }a
REVISION DESCRIPTION
HARMONY MARKET P.U.D.
TENTH FILING
GRADING, DRAINAGE, EROSION CONTROL
AND UTILITY PLAN 4 3
I ✓') N1i"I ki-r0 1, (f /,,.:I r..1 "4,Y �l1 I) I1II II II„Ieill ,
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IT
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IFIT A
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<' A S; N 1 t
* ) -I. ° t , - TTHIS All O E OMPoDCESREpONAL
PAN1 K' JA 3MONY ROAD DE ENnaN ParvO
4t�xAy'.�Cn4 A'4aY{" III,
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JtlKtSP ':r a r DEPRE55' ,A, v i fill il ` 'P „5yAnnl >r �e r • - n
Y1 'i tt4 �w,L r F ),,yi TO MAT N''_+� S::%HLi1 L 'rotty ye Lt O"'I t. , ~TOP WRB •Q I _
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Poe
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F 'I� Mil F W lf4 R ,Plr9 R A �I Bf'Vh,", , Y, tx.. •�. —~/ IMtl
INSTALL PERIMETER
'. '' '.Kk h h'.; �i,nr��.2ry / T ill n w�'v — s BILT FENCE AT
P5%L'i t t Ttd xgaO L"Pi3," {, r \ i 3 _ ;Bk - BEGINNING OF CONSTRUCTION
�GsA JJLL.� L - ` 6 �--
Nprnl:�i HrAj t { I I { 1 r ";,+ x✓ } i ��� a am .<m 1 :, - W
14 v ^f
qr?.h 'C._:' . .:. - i ee ip»
All
fi;Wr % °.ht v I w S �" k Srr ` \ �.W YD'
H� SIv t u�A �,i
BA dIY!i.n'^�F� yn , 1" s Toill it
S'r'rdJ 1 ! 8SS—
IriFTV�g„eR.s{ ./ SIX 0400
!, LAW}'Q11'F E%IBT E T:.CkG I ) �l ^s' �' EMIST 1/: '�'rSj, �. EXIST.
MH MM.558J.J6
�"• rJA �: 1 t%_ °t WRB k WT1FR.,T ✓•s�►f •%.TIe _
I lk ,fA,Y y — INVERL� 4980Jfi
n rp-np M1 8 W P e W /' re 9/ t /G/T� 4/ r/ /
ml r I Y.I L9A' V. D70 "B,D^Vr.3V/f
Y` ! 1i710tII ! , -4^� r ,✓ % AS.E�n / W00''-!21cfs WIT.ATER // �. f.
LM` 9 Yr T w/�F/III-
.CC._�/ Re,sms'/�i / _ /� f Mw. z' CLEAR
, 'I t ,ili / GhpOE//• r / / / ! r n .BETWEENLX
r.hillI SIDEwAU(
I nEMOVE AGSTrvGKASPxN,T �jr' JUF f /,// OUgVEyENT �/IF ETBTNG MNL BWIES�j
r S ♦, :AND REPLACE W/ DRIVEWAY / E PATCH • CONO PAO TO BF,• ,
I iHiCKNE55 ASPHALT / / I� NDT 00.0WJ j /�r' /le -/ . ELOCATE'D/I1
/l Al
r/(r / M.' >54f� ?`✓ / /✓ / rA` / L/ / / / '., r .. I.. `ti 8•s T TAPPING SLEEVE
H... , rt l y , i'' . 'I• I �. I vwvp BH&xfi Dv. w/
i,.l. LIMITS a EgSnxc
IF
r OND
:.' ' !1P
00 YREv5EL 49117
IF FINAL PLiN Re�(s fan
f,
IF IF III
1 11,E NG SITE HYDROLOGY r'• J
�m ;� IT;
Totcl Al i 13 aQ
rv'D'{d.N,OewcY1 ••O4 Rational ,"C" 020
Wiveiid.,.Y T iba,, "�`', uwmlww ' PAVFMENT_ THICKNESS ALTERNATES.'
P�jirCel•Mro m1�a.�. rsQL Aft
aewaWk•aw+wa �. ) i• >r
4 YiA# a+�4Sn'YAl 6 %h f 1 t
Isa'v-�h j reE 11 I 11'
I 1
� �j I c '^A
¢wwm xrcaawr '.
.,
Paaewgm Car ParRlnoIT
'. gpphalt,Conenta - _ 3•
ru t
..CrvanN Aggregates Baw. Couna 8_
yr
2 r
44
'(W
l�
.An'.
�! V 7 i 19,) e -e Total Pavement Thailand 9
�e y 9n it fR YA °1 DRUMMAGE'BASN STATSTCS -
xaj ,%yLr c ..l M x v DrlwenN sad TruckLoodina Arws
'pltO(F +ff+tl MrFy (43 DYwa Matted Ares 1128 Co(Lot 1)
Si 4s 4 frosa•Nad-Ba N t C 089 .Asphalt Cencreta 3'
oC* ( !A' f ' Greri.ANxl Bash0] C'. 0.35 - ..
5 G ✓! e I i Ne Rotted' Hem 128 oc."(Lot 1) - Crushed Aggregate Bow Coune IO_
Net Naffed. Area Ba 1 1 'C' 089
tj K!�V Net Naffed, Area B O-2. C 0.35 Total Pavement T it eve 13'
! YI On SRe Detention None
, eaahe '.> 1. 1.0 t
DEFINITION>SUMMARTY
, . Basni fraineG t _
Ml RN ere RFled 269 Steeled Malet'Detentton Pand r
j S M cL ^� r ¢ t R aueed Adume . 283, al (HannonY Market P.0 D
F - ThIM, Fourth Seventh k Tenth Filings)
4� vd ms.PrbNded' 'L282' ft
', Surface I Steil Exl s Mcrket sting Pal all ',a _
MNTold Flows t0 Detention Pond 010^ 6.0 eFe, 01aoTo 121 cb
�A lv, I.,
d I I /n
IF 1,1AF,ill I -_1 ne�,i -. DK>✓_MF Dwn uralram Engineering Consv!:ant9
,s�17i'l '. �Ft�14 ... 9 9
" 5rT1'4':F'a7F)�
p
_ o�t
E...STUG MANHOLE I IF
E%IbDNG YUIC H YURMT ?
G!;
E%IBTINMGNTOUR t ttd
w
^,+;r VRGPFit9EU ,FQNTWR SIln,,>{I
dpggdI LO hryry99ee�W
' H1IFjIQ11' D4l)IN k CULLER {�iliIto
Ilk rd.
OI)fii CUrd3 k OUI IEPAkTLII
.
IF r
\a OIJIEO11Ctl OF FLOW r ° one I,++?i
F.F. FlM}S�FOOR LAI
ELiY/F11ON HIT
IF I
G.O. - CLEAN OUT
TT3A TOP OF WALL
LP- EXISTING SPOT ELEVATION
y PROPOSED SPOT ELEVATION '
1Q DESIGN POINT
DRAINAGE BASIN BOUNDARY -Al '
rt
T BASIN NUMBER i.M AC BASIN: AREA I'
/ f 100 YEAR; hIW. FOR POND 'r I
/ //
AT
r
DRIVEWAY$ AND TRUCK ' ' �', S
LOADING AREAS
I ASPHALT RE110il
AND REPLACEMENT AREA
••--•--�—v, SRT FENCE 'W
_ s
I.T
to
1
IA�
V
1 SCALE 1'w3O5 M':::
NOTE;
1. ALL SPOT ELEVATIONS ,9iOM
ME-FLOMUNE OR TOP OP
PAVEMENT.. .
2. WATER LINE SHALL HAVE A
MINIMUM OF, 4.5 FEET OF COVER AND
A MAXIMUM OF 5.5 FEET OF COVER
3. BECAUSE THE SANITARY SEWER MAIN EROSION CON1T
IS APPROXI T DEEP AN EJECTOR PUMP
1.
As the first step in the con
WTLL BEREQUIRED FOR BASEMENT SERwCE.
project site will haw a silt
4. DATE Of TCPO: T-26�B4
the permeter of the proper
oddment from IeaNng 04 f
5. MY REWIRED RESTORATION OF SEAT 2
After the owHot grading or
WALLS RESULTING FROM SANITARY SEWER
been completed, the porkin<
MAINTENANCE AND/OR CONSTRUCTION
the cures. gutter and Doom
SHALL BE THE ESPONSIBIUTY OF THE
installation of the are, gut
the parroonent tandicaping
�& PRIOR TO FINAL INSPECTION AND ACCEPTANCE -
Installed a protect the bar
BY THE pTY, CERTIFICATION OF THE DRAINAGE
eo Ee mmoI from theCO
FApUTIES. BY A ECISTERED ENONEER, MUST
BE SUBMITTED TO AND APPROVED BY THE 3,
All mud k debris butted o
STORMWATER UTIUTY, CERIIFlGTION SHALL E
deaned daily by contractor.
SUBMITTED TWO WEEKS MM TO THE RELEASE OF
ANY CERTIFICATE OF OCCUPANCY AS PER
DEVELOPMENT AGREEMENT.
.HARMONY MARKET
P.I.I.D.
534=671
r � ra n<auww awo w�mw
NOTES
t ro pn% the
einstalled Stalled O,Wnd
prevent construction
tilly Installation has
All
surface Illrecelve
I
surfaces. After
and pavement surfaces.
,
sees (grosssod) 111 be
wnd. Once all Of thew
ated. the sedimmt fence
Irvction Nte,
easing anal ehatl be
GRADING, DRAINAGE, EROSION CONTROL