HomeMy WebLinkAboutSUB199000040 Plan - Approved Stormwater Management Plan 1988-01-28EXISTING POND TO REMAIN
MEADOWFIELD SUBDIVISION
ROBERT B. MCKEE & ASSOCIATES
t i r lC i o' JANUARY 22, 1988
SCALE: 1" = 50'
�� 1. The pond is located within lots 20, 21 and 22.
2. An access driveway to Lot 20 will be
constructed across the dam. The minimum
width of the surface shall be 10' at a 2% cross-
It5ea-- i ' slope to the downstream side of the dam. The
minimum elevation on the driveway shall be
509.5.
iX / % 1 / r \�\\\ �� // 3. The existing 4" diameter riser pipe shall be
fitted with a cap constructed of 1/2" x 1/2"
welded wire mesh to protect the riser from
__ \ �� clogging. Connect cap to pipe with a
T ri /— -- — _— _ i minimum of two 1/2" wide hose % clamps spaced as follows: top clamp shall be located
f 1" from the top of the pipe, bottom clamp shall
be located 6" from the top of the pipe.
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/ 4. The existing 4" diameter outflow pipe is
deteriorated at its downstream end. The pipe i
shall be cut upstream at a location where the j
pipe is not corroding. Place rip rap from the
pipe to the existing channel.
Ir; r
I I 'r I I I I o s ! !, � r 5. A 12" C.M. pipe shall be installed under the
11 In I I10 driveway to provide an emergency spillway.
'9"RISER r i[CI C L.F. 12" C.M.P. @ 2.0
1r
f 'I r Cr Invert in = 508.0
�FWe ��•�. filI LI 11 ! ` � - t — Invert
/out=507.4
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