HomeMy WebLinkAboutDrainage Reports - 05/28/1993Final Approved Report
: - Date
EROSION CONTROL REPORT
LOTS 13 THROUGH 24
VILLAGE PARK
PREPARED FOR
DCB CONSTRUCTION COMPANY, INC.
PREPARED BY
STEWART & ASSOCIATES, INC.
103 SOUTH MELDRUM STREET
FORT COLLINS, COLORADO 80521
303/482-9331
MAY 20, 1993
LOTS 13 THROUGH 24, VILLAGE PARK P.U.D.
EROSION CONTROL REPORT
This project is a fill—in of the remaining Lots 12 through 24 in the
Village Park P.U.D. All streets and utilities have been completed in this
project. The proposed site.area is 39,000 square feet more or less. Two
foundation holes have been dug, to date.
This site is within a moderate wind and rainfall erosion control area.
Wind erosion control will.be accomplished with silt fence and foundations.
Rainfall erosion control will be with a silt fence along the South bank of
the Larimer County Canal No. 2 and also between the lots and the existing
detention pond on the East.
A straw bale barricade will be used around the existing area inlet in
the detention pond. Straw bales were used in place of a gravel filter because
of the existing grass around the inlet. A straw bale dike will be installed
on both grass swales that flow to the pond from this site.
A certification on the existing detention pond and verification of
compliance per Sheet 8 of the Village Park P.U.D. Utility Plans will be required
prior to issuance of a certificate of occupancy .from the City of Fort Collins.
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CONSTRUCTION SEQUENCE
PR0JECT:4OT3 15 Aae STANDARD FORM C
SEQUENCE. FOR 19 ONLY COMPLETED BY: c/'cl DATE: SZO 3
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
MONTH �'1n I �`b I fit'' I PQ` I �1'1 I ��" I �` I P'� I S°Q I _01,
----------------------------I--------------------------------------------
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: _1
Permanent Seed Plantings
Mulching/Sealant
Temporary Seed Planting
Sod Installation
Nettings/Mats/Blankets
Other
----------------------------------------------------------------------------------------
STRUCTURES: INSTALLED BY MAINTAINED BY
VEGETATION/MULCHING CONTRACTOR
DATE SUBMITTED APPROVED BY CITY OF FORT COLLINS ON
HDI/SF-C:1989
RAINFALL PERFORMANCE STANDARD EVALUATION
-------------!--------------------------------------------------------
PROJECT: /TS STANDARD FORM A
lCOMPLETED BY: j�G !2 DATE: ZD
------------------ ---------------------------------------------------
IDEVELOPEDERODIBILITY1 Asb I Lsb 'I Ssb I Lb I Sb I PS
SUBBASIN ZONE (ac) (ft) (q) .l(feet) I (;) I ()
-----------------------------------------------------I-------
1
lof3 3fe. j O.9 j 330 j D �f i 330 i O j 7Z. S
---------------------------------------------------------------------I
DI/SF-A:1939
EFFECTIVENESS CALCULATIONS
----------------------------------------------------- I
PROJECTz4 _ STANDARD FORM B
COMPLETED BY: DATE: -5/ 93
Erosion Control
C-Factor
P-Factor
Method
Value
Value Comment
-----------------------------------------------------------
,7/E
,fm�cio
D%
% o .... .
,2z,fc
-------------------------
MAJORI PS SUB AREA
--------
BASINI
(;)
IBASIN'
(Ac)
CALCULATIONS .
-----
�lo�ils
------
7ZS
-----
--=---
D• 9
----G -------------------------=-----------
a- 9
7 8� 72.5
i�
-------------------------------------------- ---------------------------
DI/SF-B:1989
103 S. MELDRUM, FORT COLLINS, CO 80521
STEWART&ASSOCIATES PH. 482-9331 FAX 482-9382
Consulting Engineers and Surveyors
. By: a Date: •` ZG 93 Client: ,Trio Sheet No. -g5f of -
Project: GDTS f .ei�-
Subject: je5-�,P.SY0A1 �dNT.P06 G p/ST
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