HomeMy WebLinkAbout27The proposed development decreases the amount of unpervious area subject to vehicular use by
approximately 3.72-acres. Therefore. the project is not required to provide runoff water quality
treatment
Conveyance Analysis
The conveyance system was designed to convey peak flows from the 100-year 24-hour storm event
using the rational method- The systemai was
designed
to convey n. �nveystcenw culano runoff are included in at a velocity f at
least 3 ft/see at full capacity using .
,appendix B.
The northern conveyance system collects runoff for approximately 6.47 acres most of which is
impervious surface, customer parkitte_, and concrete walkways. Storm sed onm runoffsheet fland 2-
across the ground surfaces to catch basins. The storm system is compo
inch pipes and type I and U catch basins- The conveyance system starts at the northtoward the center aisle, where it then heads west toward
Garden Ave- The north conveyance s--stem discharges to the 72" public storm system in a drainage
aisles of this parking lot, then travels
easement on the east side of Garden Ave -
collects southern conveyance system collects runoff for approximately 6.55 acres-smost of areas
impervious surface including the building. the perimeter road, and parking
Stormwater runoff sheet flows across the ground surfaces to catch basins and roof drains are tight -
The storm system is composed of new ri12
lined directly to the storm system- starts m
inch pipes and type i catch basins. The conveyance system the Perimeter road on the
n
northeast side of the building then flows in a clockwise direction around the but
to the
southwest comer. The south conveyance system discharges to the 72" public storm system in a
drainm
age easement on the east side of Garden Ave.
Tenapprary Erosion and Sediment Control
To minimize the amount of sediment -laden water from leaving the site during the construction
and sedimentation control (TESL) Plan has been designed for this
process. a temporary erosion
project in accordance with KCSW Div1. The TESC plan indicates the minimum necessary meastaes
that the contractor shall implement during the construction Process- Best " anageee �apracnces
in
(BN 's) are defined as physical. structural anar d managerialpractices
caused by construction activities.
combination, prevent or reduce pollution of water as TESC
ze
plan for the proposed project has been designed to protect off -site properties Yi a following i BiMYS
the quantity of sediment -laden water from entering the public storm syst
have been included on the TESC plan for this project:
To ensure that the disturbance of the site is limited to the development area, the clearing limits will
be clearly staked prior to any cleating or grading as shown on the TESL plan_
DLR Group