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<br />ATOP PROPERiY LME
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<br />�� �IXISTING 6' WIDE CONCRETc` SIDEWALK . _
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<br />NEW 48° WIDE
<br />LONC. WALK w/
<br />IXIST CONC. STEPS
<br />6' rllDE 54JALLGW —
<br />6RA55 LINED SWALE
<br />I � � � CATCN BASIN — �nPE �
<br />� � � (SLOPE TO CRAIN) I � �+TLN BASIN
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<br />I � EXISTIN6 d6� CFIAINLINK FENCE w/ GATeS �
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<br />ALLEY WAY
<br />Stormwater Runoff Equation Parcel l�To.: 00593663801400 Project Scope of Work:
<br />Q= Storm Water Runoff (CF per second) Sectio�i To���ushi� Rangc t���u�ter
<br />C= Ceefficient of Runoff 0.90 ry 1. Construct a new parking lot
<br />I= Rainfall Intensity (inches per hour) 0.005594 20 �.9 05 S.E. 2. -
<br />A= Area of Drainage Zone (in acres� O.115932 P10jCCf Sf�iriGlalC�S 3.
<br />Q= C' I* A P>iiildinX Code IRC 2012 Edition 4•
<br />F,nergy Code WSEC (by WSU) 2012 Edition 5.
<br />Q=.90x.006x.116 Flooi I.oadi�lg 40psf LL I 12psf DL = 52psf
<br />3 f:oof Loaditig 25psf LL/ 17psf DL = 42psf
<br />Q = 0.0006 ft /96.23 =.058gpm
<br />Juriscliction City of Everett
<br />.058 x 15 = 0.866 Volume Lega1 �)escription Cuf and Fill
<br />SWALWEl1S 2ND ADD BLK 638 �-00 - LOTS 14 k 15 Crawlspace cut: W x L x D
<br />- Foundation bockfill: 'r4 x L x D
<br />Slob-on-grade cut: W x L x D
<br />CI�1, F.�rLfill� UJ v I v �
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<br />Siie Plan PLAN Nox�,x
<br />__ Scale:1"=20'
<br />ENT OL HEN
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<br />6" OR S" PVC 24��
<br />FACTORY TEE
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<br />FROM SD F
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<br />6" OR 8" PVC
<br />PWG
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<br />MAX
<br />i TO SD OR CS� _
<br />� ADAPTOR OR PIFE JOINT
<br />6° OR 8" PVC O1'7i-
<br />SAND COLLAR OR
<br />COR-N-SEAL ?YP
<br />6" OR 8" PVC PIP`: AS
<br />REQ'D.
<br />TYFE 'B' CB, SEE ;'.�
<br />DRAWING 4C3
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<br />Erosion Control Notes
<br />Hardscape Lot Cover�ge
<br />Ezisting Hardscape Area: 1,U00.00 sqft
<br />Nea� Hardscape Area: 3,990.00 sqft
<br />— + ��.0� Sqfl
<br />TOTAL HARDSCAPE AREA: 4,990.00 sqft
<br />PROPERTY AREA = 6,000.00 sqft
<br />PROPERTY HARDSCAPE AREA 53.17%
<br />Average Grade Storm Water Contr�l
<br />yd� Existing grode is an average of 1/4':12 Slope of new asphalt paricing areo to a new
<br />yd� slaped from the north to the south property installed type 1 catch basin
<br />lines.
<br />Yd 3
<br />Yd 3
<br />Soil Amendment Notes cont.:
<br />1. The contractor shall provide periodic street cleaning to remove any OPTION 3- Import �soil Meetin�c Orqanic �latter Content Standards•
<br />sediment trocked off the site. Scarify or till subgrade in two directions to 6-inches depth. Entire
<br />2. The contractor shall perform routine inspection and maintenance of all surface should be disturbed by scarification. Do not scarify within drip
<br />installed erosion and sediment control BMPs, especially after storms. line af existing trees to be retained.
<br />3. Appropriate measures shall be taken to stop sediments from entering wthin stormwater Drainage System locations or Landscaped Areas (10-
<br />waterways if the proposed BMPs fail. percent organic content) - Use imported topsoil mix containing 10-
<br />4. Bare and/or disturbed soils shall remain uncovered and/or unstabilized Percent organic matter (typically around 40-percent compost). Soil
<br />for no more than 2-days from October 1 through April 30, and for portion must be sand or sandy loam as defined by the USDA. Place 3-
<br />no more than 7-days from �iay 1 through September 30. inches of imported tapsoil mix on surface and till into 2-inches of soil.
<br />Place 3-inches of topsoil mix on the surface. Rake smooth and remove
<br />surface rocks over 2-inches diameter. Mulch pianting beds with 2-inches
<br />Basie Soil Atnendment NOtes: oforganicmulch.
<br />OP�ON t- Amend Existinc�Soils in Place: wthin Lawn Areas (5-percent organic content) - Use imported topsoil
<br />mix containing 5-percent organic matter (typically around 25-percent
<br />Scarify or till existing subgrade to 4-inches depth (or to depth needed compost). Soil portion must be sand or sandy loam as defined by the
<br />to achieve a total depth of 12-inches or uncompacted soil after USDA. Place 3-inches of imported topsoil mix on surface and till into
<br />calculated amount of amendment is added, see specific subsections 2-inches of soil. Water or roll to compact soil to 85-percent maximum.
<br />below). Entire surface should be disturbed by scarificatian. Do not scarify Rake to level, and remove surface rocks larger than 1-inch diameter.
<br />within drip line of existing trees to be retained.
<br />wthin Stormwater Drainage System locations or Landscape Areas (10-
<br />percent organic content) - Place and rototill 3-inches of composted
<br />moterial into 5-inches of soil (a total depth of about 9.5-inches, for
<br />a settled depth of 8-inches). As noted previously, subsoil's below this
<br />layer shauld be scarified at least 4-inches, for a finished minimum `� 1-.�.•
<br />depth of 12-inches of uncompacted soil. Water or roll to compact soil _.. �, �h�� ���6��� ,_ �, ;"1
<br />to 85-percent of maximum. Rake to level, and remove surface woody �C�f����3(��E�,'� �,��; �`
<br />debris and rocks larger than 1-inch diameter. �
<br />OPTION 2- Stockpile Site ToRsoils Prior to Grading for Reapplication: l�� , i r -� _
<br />If placed topsoil plus compost or other organic material will amount to ,'"'��
<br />;�¢ � ��
<br />1� _�. _:_
<br />less than 12-inches: scarify or till subgrade to depth needed to achieve
<br />12-inches of loosened soil ofter topsoil and amendment are placed.
<br />Entire surface should be disturbed by scarification. Do not scarify within % � I ��I ��'j
<br />drip line of existing trees to be retained.
<br />Stockpile and cover soil with weed barrier material that sheds moisture P 1 o j e C t D i Y' e C t O r y:
<br />yet allows air transmission, in approved location, prior to grading. A�,�„a��, sw<<��a�E�9����e
<br />Replace stockpiled topsoil prior to planting. Advmce�Mma�ernent -
<br />F,o;�� �do-� .�a,�
<br />Within Stormwater Drainage System locations or Landscaped Areas (10- 2717 �P�e Street -
<br />percent organic content) - Place and rototill 3-inches of camposted Everett Washirgtcn 98201 -
<br />material into 5-inches of replaced soil (a total depth of aboui 9.5- `�`" `�°`°�`
<br />inches, for a settled depth of 8-inches). Subsoiis below this layer should
<br />be scarified at least 4-inches, for a finished minimum depth of 12- pj'��"`°��t�� �-�,��� `"� `�'�'���"��`>
<br />inches of uncompacted soil. Rake beds to smooth and remove rocks u.,�, - Aaz,m
<br />larger than 2-inches in diameter. Mulch areas with 2-inches of organic �- 91st Ave N.E, E5Q2/53 - _
<br />mulch or stockpiled duff. Lake Stevens, WQshirgtcn 98258 -
<br />�Iwthir Lawn Areas (5-percent organic content) - Place and rototill 1J5 `""" O �����
<br />Rick Fuller 425 508-2840
<br />j inches of composted material into 6.25-inches of replaced soil (a total �� my a:;_� ��,�y. �m��� ��:r
<br />ammendment depth of about 9.5-inches, for o settled depth of 8- - -
<br />inches). Subsoils below this layer should be scarified at least 4-inches, Ad�.� �aa�===:
<br />Ifor a finished minimum depth of 12-inches of uncompacted soil. Water -
<br />or roll to compact soil to 85-percent of maximum. Rake to level, and - - —
<br />remove surface woody debris and rocks larger than 1-inch in diameter. _`°" `°"�°"
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<br />Project:
<br />Tifle:
<br />Parking Lot
<br />Layout Plan
<br />Dra�vn:
<br />D. Almond
<br />Daie:
<br />01/15/2016
<br />�ion:
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