HomeMy WebLinkAboutHARMONY MARKET PUD, 2ND FILING, BUILDERS SQUARE EXPANSION - PRELIMINARY & FINAL - 54-87S - SUBMITTAL DOCUMENTS - ROUND 1 - EROSION CONTROL LETTER/REPORTG]
PROFESSIONAL ENGINEERING ASSOCIATES, INC.
Civil Engineers - Surveyors
2265 Livernois • Suite 900 • Troy, Michigan 48083-1606
TEL (810) 244-9090 FAX (810) 244-9173
SOIL EROSION CONTROL COMPUTATIONS
FOR
BUILDERS SQUARE #1580 EXPANSION
P.U.D. REPLAT OF
HARMONY MARKET SECOND FILING
FORT COLLINS, COLORADO
APRIL 4, 1994
P.E.A. JOB NO. 93120-04
PREPARED FOR•
RONNIE KLEIN
BUILDERS SQUARE
9725 DATAPOINT DRIVE
SAN ANTONIO, TEXAS 78229
Richard L.Graham, P.E., P.S.
President
Joseph M. Muller, P.E.
Vice President
RAINFALL PERFORMANCE STANDARD EVALUATION
1 ---------------------------------------------------------------------
PROJECT BviLDIEk5 S4tJARt t;-�xPAtXT/ N STANDARD FORM A
1COMPLETED BY: PAaFEss/wJAL— .ENG!CG ,4-5Sac, DATE: 4.4.94 1
1---------------------------------------------------------------------I
IDEVELOPEDIERODIBILITYI Asb I Lsb I Ssb I Lb I Sb I PS I
1SUBBASIN-I ZONE I (ac) I (ft) I (%) .1(feet) I (q} I () I
1----------- I------- I------- 1------- I------- I------- I -------I
1 p., I MopE1�AT� I �.S 1 boo I ro.o i I I
I* 3.2 13oo I 3. o
Z S7 i 4.8 183.0
---------------------------------------------------------------------
DI/SF-A:I939
EFFECTIVENESS CALCULATIONS
1 ----------------------------------------------------------------------
PROJECT: 4u ic.DT.s• 5Q v4"- ACkA 4AJS10 AJ STANDARD FORM B
1 COMPLETED BY: POF F. Aaj t.'G 4550c- DATE: 4 4 9 4
1 1
1
Erosion Control C-Factor P-Factor
Method Value Value Comment i
---------------------------------------------------------- I
S rkA L �LS l, o o. 8 Foe .f c c /syrsi.�
cuTLFTs .
I
S 4D f M tTpj'r T/ P /, O O- S Ac R A c L Sd8 hdSi.us I
I
I
--------------------------------------I
MAJORI PS SUB I AREA I i
BASINI (a) �BASINI (Ac) I CALCULATIONS
--------------------------------------
W
E I 3.Z I MuLCN /.57A--
I II N�vEM - l,7 /}c
O.0 3
3 Z.
Sx.8 = -�
G o. 9 M u L.c N= 4Jri,e4F- 0.9 A c.
rAC
s.9
x /, 8) t x 3, Z)
+04 x a15)/ S-?
> 83,
I I I
I----------------------------------------------------------------------
HDI/SF-B:1989
CONSTRUCTION SEQUENCE
PROJECT:- 00/1-DCA5 520A/Le 45M' W 1.AoAl
SEQUENCE. FOR 19 9+ ONLY COMPLETED BY: P.E.A.
STANDARD FORM C
DATE:gF - 4 - 9 4
Indicate by use of a bar line or symbols when erosion control measures will be installed.
Major modifications to an approved schedule may require submitting a new schedule for
approval by the City Engineer.
YEAR I
MONTH
----------------------_I J I ,j I A I S I O I N
OVERLOT GRADING I
WIND EROSION CONTROL
Soil Roughing
Perimeter Barrier
Additional Barriers
Vegetative Methods
Soil Sealant
Other
RAINFALL EROSION CONTROL
STRUCTURAL:
Sediment Trap/Basin
Inlet Filters
Straw Barriers
Silt Fence Barriers
Sand Bags
Bare Soil Preparation
Contour Furrows
Terracing
Asphalt/Concrete Paving
Other
VEGETATIVE: I
Permanent Seed Plantingl
Mulching/Sealant I
Temporary Seed Plantingl
Sod Installation
Nettings/Mats/Blankets
Other I
STRUCTURES: INSTALLED BY
---------------------------------------------------
MAINTAINED BY
VEGETATION/MULCHING CONTRACTOR
DATE SUBMITTED APPROVED BY CITY OF FORT COLLINS ON
HDI/SF-C:1989