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LEGEND

Wetland

Waters Impact (0.004 ac)

Wetland Impacts (Permanent Fill) Wetland D (1.96 ac) Wetland E (0.003 ac) Wetland F (0.81 ac) Total Fill (2 .77 ac)

Wetland Impacts (Permanent Cut) Wetland D (0.46 ac) Total Impact (3.23 ac)

NOTE: See Figure 7 A and 78 for wetland impact cross-section A-A' thru E-E'

//J I

Existing 30" Culvert ~I ~D

CD NEW STORMWATER QUALITY SWALE

@ NEW STORMWA TER DETENTION POND

G) NEW DRAINAGE SWALE ALIGNMENT

@ NEW SEPTIC DRAIN FIELD AREA

@ EXISTING DRAINAGE SWALE

@ PROPOSED (N) 60,000 SO FT , BACI<END MACHINING FACILITY

(j) NEW PARKING LOT, 177 NEW PARI<ING SPACES

@PROPOSED (N) 10,000 SO FT ADMIN BUILDING

@EXISTING PARKING LOT

GJ) NEW 24" CULVERT

Plans Provided by Pillar Consulting Group, Inc.

SCALE IN FEET

I I

(

I I

I I

/ I

l Septic

Drair Field I I

G)\ \ I I I I \ \ \

Proposed Site Plan, Wetland Impacts and Cross-Section Location

Pacific Habitat Services , Inc. 9-t50 S\'/ Comrroffi:e C1'Ck, Su ~e 160 \Ws01wle, O:f9(M1 91010 Phone. (503) 570..(}800 Feu (503) 570.()855

X:\Project Direc.tories\5500\5584 Selmet Expa nsion\Au toCAD\Pio t DwgsVPA Figures\Fig6 SitePian.dwg, 2/24/2015 2:49.04 PM, CutePDF Writer

Selmet Inc. - Linn County, Oregon

02-24-15


- - T

0

- \

NOTE: ' sdALE IN FEE'L

See figure 8A for Erosion Control Legend and Notes

1--,

PV

Pacific Habitat Services, Inc. !»50SWCool'f.€-creCi'd~. Su te I OO\'o'i'son•le . O:~on97070

Phone. (503) 570-0800 FaA {503) 570-0855

f

I I

I

1 I

(]IJ

Existing Road I Driveway

- ,ID

F.F. ELEV. 266.00

Erosion and Sediment Control Plan

Selmet Inc.- Linn County, Oregon

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PV

02-24-15


LEGEND

LTIIill] Wetland

Waters of the State/US

Proposed Contours

Existing Contours

0 50 100

SCALE IN FEET

Plans Provided by Pillar Consulting Group, Inc.

Pacific Habitat Services, Inc. 9.150 S\'1 Comnrte c..m, SoJ :! 183 \',·, ·~,- ~e. 0:t:q0091010 Phone. (503) 570-0BOO Fa.. (503)570-0855

200

aJ u ~ :>

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Proposed Site Plan Grading


02-19-15


STORMWA TER DESIGN SUMMARY KEYED NOTES "'----c. DIRECTION OF STORM WA TER FLOW

CD 2x2 CATCH BASIN , LYNCH STYLE W/ OIL HOOD

(2) UNDERGROUND STORMWATER PIPING

(3) CURB INLET

@ 6" DIA. OVERFLOW DRAIN 3-1/2" ABOVE SWALE F. L.

@ 15" DIA. OVERFLOW CATCH BASIN, 6 " ABOVE BSM

@ CONTINUOUS INFLOW W.Q. BIOSWALE, 3fW @ 0.4%

(/) ANGLED GRATE DITCH INLET, ODOT TYPE- D STYLE

@ DISCRETE INFLOW W.Q. BIOSWALE, 7'W @ 0.5%

® DI SCRETE INFLOW W.Q. BIOSWALE, 6 ' W @ 0. 5%

EXISTING STORMWATER DITCH TO REMAIN

1 {

CID

@ W.Q. BIORETENTION PLANTER BOX, 615 SF

@ FLOW SPLITTER MANHOLE, LIMITS FLOW TO W.Q. SWALE

@ METALS FACILITY DETENTION POND (VOL= 24,123 C.F.)

{f) NEW PKG LOT DETENTION POND (VOL= 14,643 C.F.)

(j]) DETENTION POND FLOW CONTROL MANHOLE

@ DETENTION POND OUTFALL TO DITCH W/CHECK VALVE

@ NEW STORMWATER SWALE, V- SHAPED 3H: 1V

(jjJ CONCRETE CURB & GUTTER

@ 2x2 LYNCH STYLE CATCH BASIN W/SUMP PUMP

EXISTING FLOWLINE FROM FIELD

Backend Machining Facility F.F. ELEV. 266.00

Plans Provided by Pillar Consulling Group, Inc.

Pacific Habitat Services, Inc. 9-150 SW Com . .: rte Crtk. S'.J :e 180 \'."o"Y.II'I•t e. OK-goo 97070 Phone: (503) 570..()600 Fa" (503) 57Q-Q855

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120

SCALE IN FEET

Proposed Stormwater Plan


240

02-24-15


j · cid @ w.q. bioretention planter box, 615 sf @ flow splitter manhole, limits flow to w.q. swale...

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