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! � . � I . I I I . . . - I I . I I . . I . . I . I . I . .. I . . . . . . . � I . NotesiSequencing: I � I
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I cau. , I I I T7 POLE 1. I I . .. I � I . I I � I I 11 1. ..: : - , [ . 11 . . . . . . I . . I � I I . Dp�rlls 11poLn9yal and Ini Species Management: Northern Portion of the Site I : . I I I I . .
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� I . ,�ITY . .. ,. I I . I . . I . . . . I �. I . - I , � . I I I � I I � I I . 8) Following seeding, all seeded areas shall be lightly mulched with straw to promote .
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. I � I I,,: . . I . I I . .1. �, . I . .1 . . .. . 1. � . , '. I I . I � . 1 8,34o<, I I .. . . . . .. � . . . I I . I I . � I I I � � . . I � � � � . . . . . 11) . , Four debris areas were identified at the site during a February ?6,2016 site evaluation soil moisture retention an minimize soil erosion during the germination process I
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I . I BB - 'I, � -BITIUMINOUSBERM (BREA OAF) - ' � . i I . attended by.t4e,Applicant, Ron L pez, Gary Larson, Landscape Architect and Richard Kirby of , . I
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I � � I i �4 I 1, . I . I n the absence of p� r 11 be watered as necessary.
� I I . I , Z : ? . , I I � � I . I � I I . I . I . I . . . LEC Environmental Consultants, Ind. These areas contain landscape deb I I
I . I .1 : I � , �� . � - . . . � . I - I . I . III old appliances, tires, , 9) 1 ecipitation plants wi
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i I . I . LOW I 1 LIMIT OF WORK LIAI � -1 I . �.� : . . 11 I 1. .. : , .. � . .. I � I 1� I .1 . . z ., .1 I . I . I I . 1 34 . I : . . - I etc., and are vegetated primarily with of Tartanan Honeysuckle (Loniceratartarica) ,Japanese I I I . I
. I ! .. � I 11 � I I I . �:1, I . . I I . � . I . I . � . I I . I. � I . .. I . I I I . . . I . I Knotweed (Polygonumcuspidatum) .,and European Buckthorn (Frangulaalnus) . 10) All plant placement and i .
I . I I . . . � I 11 �. . 1. I .11 . . I . I I .1 933 . 11 I . , .1� � . . . . � I I I . I I I . .. � � . I 1. . �� . � I I . , I . I I grading, topsoil placennentand, , . inst'allation shall be conducted . .
. � . . * . . . I I I �, I . . . . .. . . WOODE STAKE SET FOR : . � . . . I . I . . I I . : �. . - . � during the spring and/or fall months and shall be supervised by a ( I
I . ��, �.,., �,= :- 4' WIDE FOO . . . I . �!�� I N . .1 I . � . I � . � . I lualified professional . .
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I I I . , . . . , .1 � � . I , .. I It . . . PROPOSED LOCATION . .. � . . I I k I I ' I
I . . . . I . I . . . AL . . : - . I . 2) Debris removal areas as shown will be marked in the field using surveyi s tape. experienced in such oversight of native restoration areas. .
11 � I . .1 I . . I I I 41 - .,��OF TRAIL/Pi ,PROP. STAKED SNOW FENCE . I . - . . I . I I I I . I . ,. 1, . I . . . .
I I I . 832 .11L .1 , .1 I I ,33Z I
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, BVW I � r . . I I I I � I . I . . I I � Considering the depth of debris is likely variable, tree preservation within the debris removal : I I I . .
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. ING VEGE TA TED W I I � . "O � i
I . � BORDER , A�TLAND . I I I . . L W1 TH 18" DIA.- COMPOST . . I . ", . I . . I � areas may not be possible; however, few trees occur within/i the debris piles, and several I I � � . I I . . I .
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� . . I � . . I 11 I � .� . . I I I 1�. � . - . . I RVIF .; FILTERMITT UPGRAD)ENT . 1. . . . � � I . I I ) . I � . I . I
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I I . I � L I - 1. 1 14, I I .. . I I '. were dead, severely stressed, or in danger of falling. . . � I .
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, , � , ETLAND RESOURCE AREA . . . I 11 X-C . . . �.. 23 I 'g, T I I . .1 I I I I . � . I I . . . Invasive SiOecies'Managerrient: Southeastern Portion of the Site & 15 Feet
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� � .1. I I � . , . I 1 831 "\ - I I , . ---.a,, , \ � I AND DELINE TION BY LEC Prop. 4 Foot Wide Footpath ' .i . .. I � I "I . I I . . . I
! I . I � I . . . ii � . . � . - - Access to the debris remov I
. . � . . . I I . I , . E RONMENTAL I APRIL OF 201 .: Subject to City of Cambridge I . 1 3) . at areas will be provided from the constr uction site, and or
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� � . I 04- 1 .. . / 2 , . \. .10, .1 I . . 11 I . I � Northerly of briiii: of Work Behind Units 6. 7 and 8. ! . .
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. 1. . I . . . � I . . I . � Existing II/Puth, I . .q 10 L the Mill St. ROW with minimal alteration beyond the debris removal footprints. Debris will be I ' I I . �
-_ ; 80--" I � E,�ISTING 'CON TOUR . I I ' I .. I I � Approval . It lA I . I . i,
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I . . I � . � I .1 .1 . . I I � . I . I . AL . r ' I � 0 .. I I removed using small scale machinery equipped with tires and/or skids. � 11) In addition to the four debris removal areas, invasive species and several .
I I I I !� E130 / I I I install ompost . . . . .".,� VYJI�� . . I . � I . I I .
; - , * I . ' I ' �,% ' � � . . � ,�) I . . . I I I . '�_ , I I . . I I
I I . -(80) 1 PR - AL 28' � I FlItermitt on Downgradient .�� I . I
I � � . I O,�ED CON TOUR , - . . � I I . 'A �/ . / � � . . � . I
I I I . 1. � � . � , _, ,,,, X � . poorly positioned sapling trees will be removed within the southeastern portion of , �
I " I I � .1 I I I I . . I � I!, . . \ � . Side of abris Removal Are . I � .30 ,' '. .� , I - : , I I . I . I . I I I
. I I . I I � ) . I . I . � . I � , A -1 Owl , 4) Debris and fill will be removed until native topsoil is encountered, or if native topsoil , i j . ,
: .1, . � I I I . � I 18 . ) ,24, . .� 1. � 90 I __-�� ;.- . , I . I , the site as shown using mall scale machinery equipped with tires and/or'skids. This I
, I - . I 7 . . . I . I . / . , _/ I , .�. , . **a* � ,I . 01 I . � , A. JIL 28 � �,� IW tp � . . I is not encountered, the debris and associated soil will be removed to a minimum depth of 18, ' � ' uare feet a I � I
.1 . . II 1 W . 11i - -- area measures 5�460+/- sq andwillb planted with 150 native shrubs in addition
� I ETLAND FLA G (B Y LEC) , . . ,� . a. + � I DUMPINGS OF: ' I . �_ � I � � " ,- ,<�- " , . ,---- )�,31' . � I � I I . : . I
� I I . . I I I I I . I . ... . . I . C2 * 18 I . _/� . . I .1 IVREP/STOVE __ 7REE 7 . --- -�' � - ,_::�� . I . �. 11 . to account for invi plant roots and the area will be graded to slopes no steeper than 3:1. to the plantings provided on Gary Larson s Landscape Plan. Addilionally, an area 15 feet . .
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.� F� ... �--- .... . .. . I . 1. � . I 1, . I N1 __ -,) � 2 - ; I I . * � I- �, , . . I . All removed debris and soil will be appropriately disposed off-site at a facility accepting such in depth beyond itte Limilt of Work line sb�w,n to the rear of Units 6, 7 and 8,willbave �
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......... %. I ........ - `�, . � 1�; 5 � . 1 26 2W _71:;��i
; ............. . - , , , 0 1 � . - . __01W I � ial. ;removed'using me and the anll�
, . A ,.x . . /. �22 a I I V R I .. materl .
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� , . . + � . I 1/8, � . , I � wi 10 natives rubs. Native shrubs. shall include: osebay h 13dendron (Rhododendrom'
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� 11 . I I . - '� � , w " . 9R, 12 . . , Itp - I 1 5) Where native topsoil is not encountered, a minimum of 6 inches of good quality topsoil U I encan az Inut ( Corylus arner an itch A (Hamannelis virginiana) ,
I I I . � � Install L; poi '1111 . H a zi.
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i � I , . � I . � I I /glai I � I - _1Z. I I - , with a minimurn organic content of 8-12% shall be placed withi * follum) , n be I urnu lentago) ,and Gr *
� 11 . . I I I � n the disturbed area to establish a ple-leaf iburr Urn (Viburnum aced M ay
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I I . . I 'ie _/ , I . X ,,,� V, � I I [ I .
F . i . � . f Work ii� I
. / . I Ili, I ' finis ad grade approximating the original grade. . ' a snail be represented, with
� � .1 � I . . . � . - / . 15. I I . �, �- 'Y*-,'.24- - - - � " . I � h .
. I : A� I I I .� . \ . .. . . I . og ood ( orin is. racennosa) . Similar quantit i of eac i ec � . .. � .
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: . REMOVAL AREA � I <b " 190 I 1- - / - � \ i
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- i . I . 2 ��, . I 116 . Ld is .14" � -7- /.. " _�, - IU . . ,\ I . . . . each species repi esenting'. at least 1 0% of the to lants in a - I . , I
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. . : . I . . 1. , . 2 . is" , ' . , I , . Install Compost. � 6) T ' fo I - I . I I I I .
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j : . I . . / - e6NSER' REJ )�TION' 4. .1 / 11 1�1 , o,tprint of debris removal shall be planted with a variety of native, shade-tolerant
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I I I � � , ,� I * I a U if ", AREA ' I.W . T U - I / / FlItermitt. on Downgrocient I .per species, spaced 6-6 feet apart, on center. Installed shrubs 2) i
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I . . I . � . . . .1 . . shrubs in clusters of 3 Following ihrub installation, all exposed soils shall be sei with the New England .
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3 I . � . : , . I vdlii. I P �� /10 � i .� . ,,, 16*0 ,� . \ ).4. 1 1 Side of Debris Removal Area � r � I I I I . I .
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; 1. I I � I I . . I / 0 (see eta*) - � -;/-* 1 J '7*/ 4& � \ 11 .. - shall. measure at least 18, at the time of planting. Native shrubs shall include: Rosebay : Semi-Shade Gral is and Forbs MIX available from New England Welland Plants, Inc. per the
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. I . 11 . � . .. � I 1 2..10" P.9 15' WI 6 Invasive .. . '. I . / 1 2,1111 1 / / I /- I 1� � ,�Iil . � � . . � . Rhod dendroln (Rhododendrom maximum) , American Hazelnut (Corylus americana) , I manufacturer� s pecifications at a rate of Ilb/1460 square feet, no 'alternative native shade : . I
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. . . I . . . . I �. I �� . TAX MAP 35 LOI 11 [,- . . ecles Re 48 :111 , to- .1 i .1 / 1 2' /_ ��`� I " . 1, Witch Hazel (Harnamelis virginiana) , Maple-leaf V bumurn (Viburnum acerifolitim) , tolerant seed mix if unavailable. � . I � .
i I - .1 ' /I + , : , , 40 Insto ,�onn d . I L Ol. 12'1 / J, I �
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� . . . I E20 � . . / 1 10". 1 . 1 7 is. 82 / . . �./ � 0 1 . . .
I I . � . I I I I . 132, __� � - I I . , - - N , y, (Viburnum lentago) , and Gray Dogwood ( Cornus racemosa) . Similar
I . . . . � � . � , . 9 . �, N/F CITY OF CAMBRIDGE I _V � -16-. 10 I P , I . I I / 0- -"' I I I / 1i . Nannyberr I . . I
. . . . ,� . .. � I . -.EP- I I � I . - . - . . loi , Flits ttaqi /, �, too /i . � . I 11 a . I I . �, I � - !�ith straw t . �
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. I I I . . . . . pri , / I �3TAKCD !J.L J ` / 4 . I I / . quantities of each species shall be represented, with each species representing at least,11 0% 3) Following 5el eas shall be lightly n o promote .
I � ,� . � I , I ri_� I /PRI , ko I I ading, 11 seeded ar ,Ulc,,.d .
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I I I .. I : * I I �. I . '4 1 � I- - '\ _� I7EhdE/QkiLY 1 141,1 . 0 . . I . I of the total plants installed. Based on the debris removal areas shown here (four areas * ' ize soil erosion during the germinalion process. I .
. , III Odi . / / . I I soil moisture t t' d
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I I I I . I I I , . . � I I \6� 1, � , � ly'r . �- / / J / ., -C 6-1 : I I .1 I I . I . totali g 5,850+/- square feeO ,a minimum of 193 native shrubs shall be installed. . ' I . I
"
,� AL 13 0 . . � I I . I
; I . � 10 3 \ 14 - -,� / 1\ I �� ./ / / ) I � 11�'W i . ) I th b a of P�rec�pitation,'plants will be we
I I . I � . I I � I I 1. I � Z I . I . / I I F 1.0 . . 1 4 � . .
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. � . 11 , . . 12 .1. . I. 1 7) , Following shrub installation, all exposed soils shall be seeded with the New England I I �
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* , � * 11 I . 1:. . I ; I . .. . I I .. . f . . - I . 1 Ill 11 I I � I Semi-Shade Grass and Forbs Mix available from New England Welland Plants, Inc. per the 5) : Plant p'l a�cement and installation shall be conducted during thiespring and/or fall
I . I . . . I . I I , I .. � 103) . 0 � " Is, ( I . t - . . ' r I
. � . I . � . . � . I � .11, I � '. . I I � I 11.11 . 3o.6v 4 � . 0 0 121 2 I I I. f�_-- J/ / . . .. . I manufacturer. a specifications at a rate of 11bi square feet, 'or alternative"native shade Months and shall I be supe7ised by a qualified profes I slonal experleked in such oversight .
� . I . . . - -A-00'00"W I �.' / ' I 1 04)11- . - ,F 1, \ \ I / I ii � , . I I
. . . / , , ,M10 �6%i IN . 0 9 .. ) I �, er �_ /. �./ I . I � . .
ERS�� . I � .. . .. I . I 1� . I .B .tolerant seed mix if unavailable. . . . . . � I
. � 1�1 ftp I . . 141!�P*\.3 )ilooil�$' ey 7 " � I I I � � . � . � . of native restorati on areas
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: � � . I . , * / . EXTBUILDihG TO BE RA2ED ii I I . : . I . .
435, LINCO � I . f, (T I � S, I I I I .
I LN STREET I . . I , . - ";� , I P '� . I . I I . I
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I I . � 435 LINCOLN STREET � I I . I I � , I . I � . , �p Survey Marks I r _-i . . I ,� - cm I . , : . � I I I I . . � \ % I I . I � I . I I . I I . I ; . I .
! I LEXINGTON, MA 02421 1 1 1 "Ali Ono I . - \ , I I . I EROSION CONTROL NOTES- * I .
� i . 1 : . . I iii . to be got with label 11 "i I ) . I e- I I \ . I
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I , , 1 439 LINCOLN STREET I I . I I � . .1 :. . I . "Conservatio ction. Area I , I 0 / 1� � � I I \ , THE NAT16NAL POLLUTANT' DISCHARGE :IDES) :PRIDGRAM OF THE UNITED �
� : '. I I , . I I I . . . I � /�, .. " 11 rop. 6 Foot Wi6e Footpa�h I � 1) THIS SITE IS SUBJECT TO ELIMINATION SYSTEM '(NI
. I . . I 1 . � I . .
": I I - I . . I . . . � . . I I � Ii I ,. abject to Citylof Cambrlbge I : \ IN STATES ENVIRONMENTAL PROTECTION AGENCY. SITE OPERATIONS SHALL CONFORM TO MEET THE .. I I
.
I . JOHN R. DAILEY, TRUSTEE - . � I I . I . . I r . DO I I i I I 5 , I I , I . I pproval I I � 1� I \ . \ � CRITERIA FOR A NPDES GENERAL PERMIT FO RMWATER DISCHARGES FROM CONSTRUCTION ACTIVI I I IES, . .
I 1 439 LINCOLN STREET . . . I . , . I . . . . . 4;.q6* � I . . ' .
I , . I I I . r . I -�` . I iiiii � I- 1. 11 Oti \ , I 11 , � / I I I % , I
. . . I . od ONO . I
� I � I , . . � '. / . I � . I . I ., I I \ 2) EROSION CONTROL BARRIER (WHERE SHOWN) REPRESEN S THE LIMIT OF WORK. WHERE NO
TON, MA 024 . . � . I . . . . r . . EROSION CONTROL BARRIER .
I . LEXING . 121 1 . I � . I . f f Vit `- �* 1, � I o". . . .,f coi. - � \ I . . � . I , . I 11 I \ . \ I IS REQUIRED (SUCH AS UP SLOPEAREAS). � � i , � . . .1 . I I .1 11 I �
. I I . I I . . .... I ?i- . W_ ii� . . I . . 1 9 � - . : . i . I
; I I � I �. . + . . � . 1 3) ,STOCKPILING LOCATIONS SHALL BE FIELD DETERMINED AND SHALL NOT LIE WITHIN THE 1 oo-FooT wETLAND BUFFER.
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APELICANT: . , I I . . I . ", IV I I 1. � . I .1 I . . � DIVERSION BERMS AND EROSION CONTROL BARRIERS SHALL BE INSTALLED DOWNQRADIENT OF STOCKI�"ILES IN ACCORDANCE i .
I � I 1 43 .1 V3 - / . I . I
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� I I . "I I A T P � Is 9 '. \ ) I I I I � I � I . - I
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i I I NORTH SHORE RESIDE 11 I I � � � . . . . . . � I _,k� 6� wous P I . . . . I I WITH THE PLAN AND DETAILS. � I ,� I I I
! � . . I I . . . I I I OZ, . riveway � . Ir I ;� . � 4 PROPOSED EROSION AND SEDIMENTATION CONTROL MEASURES WILL INCLUDE SILTATION FENCES, COMPOST FILTERMITT, I
; . N, INC .. . . I . � I I . . P 11 I 1v \ . . .1 .�, I .. i � . I I I .
I .. � I . . . � . � . 11! I . . . � . I I t . . . . . I _� � " NIF CITY .OF C WBRIDGIE I � CRUSHED STONE, LOAM/SEED, HYDROSEEDING, MULCHING, AS FURTHER DESCIBED HEREIN. , , 11, I
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i I 215,SALEM STREET. I � � . I., .� . I � 11 I . . I : - �. - � �, 11 . I . . I I - PERIMETER EROSION ' I
i I I I I I I . I . , , \ I 1. I I � 1 5) AT A MINIMUM, SILTATION FENCES, FILTERMITT, AND CONSTRUCTION. FENCE WILL BE USED FOR THE
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WOBURN, MA 01801 . . � . I . I : 1, I . . � . . 10 .0- -.14 . � I Ide Sit. . 4 1 _ . . I . I i CONTROL BARRIER AS SHOWN ON THIS PLAN AND ELSEWHERE AS . CONDITIONS WARRANT. HAY BALESIAND SILT SACS WILL �,
1 1 1 � I . I . I I . . I . . . - � . Ili 0 ,
. i . . I I �� I I I . . I I- I . I � I I L � Con Side . alk 13 I I � -
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� I I : I � I I . . I I . I I � . � � � I . 1, I . 1. � � T !� '. I . . � �� � 20 - I I . IS I I : I . i I I � ALSO BE USED TO,PROTECT OFFLINE CATCH BASINS (PRIORJO BINDER) AND ELSEWHERE ASCONDITIONS WARRANT. THE :
� I I � I . . � , I. I PROP. STAKED . . I . I I . .i. . . � ii� . , I 1 CONTRACTOR WILL BE REQUIRED TO KEEP A. REASONABLE STOCK OF SILTATION FENCE AND HAY, BALES ON SITE TO BE �
[I , � � : � � . I . �... . 11 SNOW FENCE� '- . � I . I I . 1 41 . I , I I 60rago i . I - I . . .� R" 10 . \ I I I . I , \ ABLE TO SUPPLEMENT OR MAKE REPAIRS AS. NECESSARY. I I . . I - .
1 I 11 I 1. .1 I . I �� � . - . I I I . . � . I . . I Is ., . I \ � I I .
I I . I I . . I � .. I . I I . . 1. . I !. I � . a 0 . . _�, I \ 6) CRUSHED STONE AND/OR RIPRAP WILL BE USED TO CONSTRUCT THE TRACKING PADS, CUT SLOPE: TREATMENT AREAS, . I .
�L . . I 1. I I I . . 11 . I . I . . N .., .� 0 11 \ - � \ . t � .
. . . � . . . . I � I � all :1 . . � � � . . . I I I �, � \ CHECK DAMS, AND ELSEWHERE AS CONDITIONS WARRANT. fHE CONTRACTOR I I I I . . . I I
�
I I . . I I 1. . I . I � I 1 4 . a � . �, . \ \ 1 .
� I . - I I . I 0 . . NI I 11 M I \ . � 1\ I WILL BE REQUIRED TO KEEP A REASONABLE STOCK OF CRUSHED �STONE AND RIPRAP ON SITE TO BE A13LE TO SUPPLEMENT
I � I I I . . � I Is". 10 . \ � . I
I . . I . . I I .1 . � �" I p . . . I I . I � I I 11 1. . . ,a . I ao , ", \ l \ . � OR MAKE REPAIRS AS NECESSARY. 1. � . . I
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I I . I I I . I I I . . 01
t ; . I . :1 . . 11 . 1 .14.* \ 1, � \ .7) LOAMING AND SEEDING WILL 13E USE ANE41STABILIZIATION MEASURE FOR ALL REVEGETATED AREAS
! I . . .1 . ... I 111. . . W I . � . . . I I -- . I � I i .OF THE
� � I I . 1 ,4yl . ., \ \ \ , \ I SITE. HYDROSEEDING MAY BE USED IN CERTAIN AREAS IN LIEU OF STANDARD SEEDING METHODS SH 'ULD CONDITIONS
� a - . .
� I � ,� � I . I . . I . . � I I . I - 1 9; � W . .1 I . . . I \ \ \ . I I I I WARRANT. I I . . . I I .
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i I I . . .. . I �. i : 1 12 \ \ \ I . 8) EROSION CONTROL MATTING WILL BE USED, TO REINFORCE SLOPES GREATER . THAN 3H: 1 V AND ELSEWHERE AS CONDITIONS .
. I . .1 . I I I I - . . I . .00 0 III . \ I
I I I I I I I , 'it 1i - - - - . . � C�, o' � I . ' PROP. INMLTRATIO,N FIELD #2\ 1 WARRANT. THE CONTRACTOR WILL BE REQUIRED TO KEEP A IREASONABLE STOCK OF EROSION CONTR'
I
: � . I . I ,� I �. I . I I . . I I ,. IV 4 6 . 0. . 3 . . . � 1�_ . 0L MATTING ON SITE .
.D k k, 02 . . 1821 S "Niii' OF 20P - QUICK4 \, . � TO BE ABLE TO SUPPLEMENT OR MAKE REPAIRS AS NECES 1� I
'
I � I . . I . � . I I � . I . . Z � . : . 114". ' FT)SAR �!FILTRA I SARY
I +AREA I � I I I . /I " _1< k I C4 0 . S �N D .TOR UNITS \ I 1 9) MULCHING MAY BE USED TO REINFORCE SEEDED AREAS WH6E EROSION CONTROL MATTING IS NOT
� . I I I I I - . + " � . I � A 0 SIZE.' "'t � ", REQUIRED OR I
I � . . � I I DISTURPED AREA ---w- I . . .� . . 4, - -'f la, I . . a.; . Ill I - ,.14 'X�1,01' I I \ __ __ .... I" WARRANTED, BUT WHERE SOME PROTECTION WARRANTED. MU,LCHING� MAY ALSO BE USED TO. STABILIZE AREAS WHERE �
. . I I I 1. 1. I . I Ole I I - . \ I I N '� \ CONSTRUCTION ACTIVITIES WILL TEMPORARILY CEASE FOR MORE THAN 14 DAYS. I
.1 . � . � I III, . . I . . 1. �, � . I . I . -
: I , I . I I � + I.- . � - I , 11 . . . . \ " C9 . , , 120. � 0 N \ 1� \ '_ I I I I I I I � I I 11 - I
11 I . I i.5 COMPOST , I RUNOFF - I R KPILE " K _V �, I %, IsO 2 - - / : \ 10) STABILIZATION MEASURES WILL BE REQUIRED TO BE INITIATED AS SOON AS PRACTICABLE IN POR11ONS OF THE SITE
� .1 I I I --i E 1 4 .iia .,jH .6 a" ii� I ' I
I .
� � 1, I . I I I 11 P 0 SOIL ST7OC - , 1� k 4 I � .. 1 182) : it .1 I at \ �S TO BE-EQUIPP I WHERE CONSTRUCTION. ACTIVITIES HAVE TEMPORARILY O D, NOT MORE THAN 14, DAYS AFTER THE
; I : FL I OW, � AGIN AR A FOR . - - "k 4 . I
LS I - -_ . � \ I CONSTRUCTION ACTIVITY IN THAT PORTION OF THE SITE HAS I TEMPORARILY OR PERMANENTLY CEASED,] UNLESS PRECLUDED
I M G IA -1 �_ � " . Wi SAV FOLLOWING BY SNOW COVER OR FROZEN GROUND CONDITIONS IN WHICH CASE I STABILIZATION MEASURES AUST BE INITIATED AS SOON
. . . .. � [AND PEDINTGATER I ' 21.
BU:
� I I _ . � - 1. IL I , (�, I I _1� Ic . -1 �, � \ IN I SILT
I
�. � . I III : I E SOIL � I " � � � � , . I � " " � ,,, � " . . k I ST�LLATIO0, \" AS PRACTICABLE. WHERE CONSTRUCTION ACTIVITY ON A PORTION OF, THE SITE IS TEMPORARILY CEASED, AND EARTH
I -, . I _1� I k A IV h!io�. A 1 � I �� 0 ��
I 11 11 .. I �, avi 1 , . I \ I
I � I I I I EX. HOU � . .� d a - 4� ' I IES WILL'BE RESUMED WITH.
I . I I I . . . I SETOBE RAZED. � k I Driveway ( 12: j--� -41 . I I I � I I
. , I . . I �c ED - \ \ \ . I I I
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i I I � . I I . �- - I - I .. I . I I I . 1. ..HAYMULCH TO BE PL.ACELJ 1, . 6 � - �< " 11 4 12 , .to- . I I ?-.0 \ \ : � \ 11-11-1-11111 INITIATED ON THAT PORTION OF THE SITE. I � I I I � I I I � �
- . . I I 4 I .14` \ \ -- - 1 1) EROSION AND, SEDIMENTATION CONTROLS WILL BE REQUIRED TO, BE INSPECTED EITHER ONCE EVERY SEVEN CALENDAR I
I 1. I � - � 1. I . I OVER DISTURBED AREA. ), -�c -V .ff . \ . - \ . I
� I I . 0, . � �. . . I � I k , I . H_ 28' \ : WITHIN TWENTY-FOUR HOURS OF THE END OF A STORM EVENT OF
. I � . 1. I . I . I - k I . I .i 0.
� I I �__ .--I I � '. I - I .: . . I � 41 , 1, . �, . I . . .10 . . \ . \ 11 . DAYS, OR ONCE EVERY FOURTEEN CALENDA
I I 1: I . .1 .. .� I I . I . ,I . I I I . � . . 4 IF , V, . . Is. / W. \ I \ I �, 0.5 INCHES OR GREATER, IN ACCORDANCE WITH NP IREMENTS, BY AN EROSION CONTROL MqNITOR. COPIES OF,THE I
I . . . . - � �
I� 4 � - � �_Ir N
i I I . . I I I . . . . 11 I . I � I -V .9; . I / , I / to* . . P OP. Aft�A TO BE � NPDES INSPECTION REPORTS SHALL BE* K I EPT ITE. THE SITE CONTRACTOR SHALL FOLLOW, THE RECOMENDATIONS OF THE
I I I I., . . I . I" 4 " -� " . , I �_Iz I . V" . k � � EROSION CONTROL MONITOR. I 11 � I .
i � EFIL I � - � . . I I "I ' 1. , I . I � 1.1e 11 . / . I . . I �\EARED 0 INVASIVE
I . � . _TERMITT"m � � 1. .. I � . I . - I D1 I , � . � I 11 0. I 11 . . ECIES (aF,,SHEET 7 FOR DETAILS) 12) EROSION AND SEDIMENTATION CONTROLS WILL BE REQUIRED TO BE MAINTAINED THROUGHOUT THE, DURATION OF THE � I
I . � I . . . I . I . I � I 1 41 k . k � 0 . 1� . 024". . . /\ : ... . . � HROJECT TO ENSURE THAT THEY FUNCTION AS INTE . NDED. DEFICIENCIES WILL BE CORRECTED BY CLEANING, REPAIRING, OR
11 I . I . . : � I I . I I � I . . I I � I . 9' 24 1 , --- %' P);Pp. 6 Footl%oe Footpath REPLACING THE AFFECTED CONTRI OR PORTION(S) THEREOF TO, REESTABLISH PROPER FUNCTIONIiii AS QUICKLY AS - I
ii . SECTION VIEW : I I . . . . . . I . I 11 - � I A . . " Iii 0 _. " r.,
. _� . . 6. 1 . 0. .6" ity of I �
I
i I . . . i . .. I I . % . . . I I ;5 11, I 4- I . / I's- * :....14 . .. Subject. to C Cambridge POSSIBLE. SEDIMENTATION CONTROLS WILL BE REQUIRED TO IBE CLEANED OR REPLACED 'WHEN THE ACCUMULATED
,
. I , : I � N . .1 . i � I tipprq�vuf I .
i . . I I . . . . . - I I I . I I 0 . , � . , .. . I � SEDIMENT EXCEEDS 50 PERCENT OF THE DESIGN CAPACITY. OF THE�CONTROL. ANY
I . I I � . ,� .r . I . I ,. 1. � . I I I I 4` >1 � k IC- I 1, I . V . . arl 2- ,� I � . , . * \ � . � OFF-SITE ACCUMULATIONS OF SEDIMENT �
I I I 1 &4 iiiiiii� Ill N, _��7_ , - IN' *'
� I I 10 . 11 111% � . 1*
I . . L �__ ' L;L_ .J . 14 ..
� . I . . I . I . -, . . . , I . . I I 10I . ...... � , : . � .. . ... . .. . '� 1 '190 WILL BE REQUIRED TO BE REMOVED AS QUICKLY AS POSSIBLE MANNER 1. .
I � "'I , * g Setb . , . :. : . : . : .* -?-,;_.1* INCLUDES STREET SWEEPING OF SURROUNDING STREETS AS NECESS � ARY, THAT MINIMIZES ADDITIOI�,JAL DISTURBANCE. THIS I
,
I � ,---,,<- , , I I . I ,>qj 4" L . .- Yin. illdin , .� � - . .
. ..::� (I . .:: Pro . 10' x 16' Area . . 11
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i . I I . C, I .1 � I 1. I EX. P it - - I I 11 I ; " . I "" I . . . W/ 13) CRUSHED STONE TRACKING PADS SHALL BE US I
I I . ! I 0 I 0 1 1 1 ''I I I I I I . .. - . . ... _....... . � I �
11 it 1. I � I I -11. I I.. M. . 11, 11 .:: ::. I � ! I
I 11 . I I I � I B,E REMOVED. AREA TO __�, 31, * I I I �� .......... )r . . . : - - . P Parking I I � ,. ' . . . .
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. I I I-,- . � . ..., . I I . I . I . � . I Prop. Street ..111111 I E = ,:-. A, I . A!nl - " I I 1 _4' MNCOLIV . �STREET I
. I i I I I I I � BE LOAmEbISEEDED., - I __� chr, � � .: 19ii � S'tol'ls (9.xlw) 1 4 39 .
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. � OI 11 1. I I I I . I . N:7- � A . a* � . � - . .. 10% .. I'* � -49T. - W 20-1 - I Ir ::: .. I � Ii . I I OT COT . .
. . . -00 4o' , III ,9 as J � .
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� . * � U.1 . 0� ii� I . � I . 15ro. . . --in AA . .10. . oil 0.1 I
I I 1� I &O'i 04 1 � BALANCED HO � DE VEL OPMENT
. I .!� a , . I , . r . -1 ... 40 \ �- , 10 `�,% '. I
I I I i I I I . MIN �. , . . I . I , I I I . . . I � . . � I I I . .
i FLOW , . I `0 I .. . . . I
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� 0 .1 . I . I ,9_11T. . � .. I I id I
I I I . I � , I . I - tl ,9 , - I . sti to be remo" I N_1 I . I L . "I � . . . I I
: I . . .0 0 1. , � . . , , . I .. . . I
.1 I � I �,P,�, k1k _1 - , I I I . I for Utility Aocess �
i . , Prop. 8' section ol %��
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I � 191, LiNco I EE I .", I I I I
I ! I I_ 11 I 1. . I I . . . I I.- . I i . . - - . I - . I I CD , 1:),z,� ., LOCATED, IN � I I I . .
I 11 � � . . 1 1 1 .. I . I . � i .J�l - �i 11. I I . lr� . . _.�, . I I � .. . . . -1 . I . .- I .. I ''I .. . I � I% OF `TON MA � PO . .1
i � .1 I I . . PROP. S, - - __F--'-`�`! I I . . , . r SSACHUSET'
. I AREA I . I . . rmm sNcw . - . � . . :XZD00CXDCX:x�x �: . . . -1 I KJ
� . I -_ '- . . I I
I . � I � . FENCE & 18". DIA 123 1 ! . PROP. INFILMATION-."JU � . I I . I I I . . . I �
I . . I � . . i, PROP. cdRsTRUIDT40N ENTRAIN I . I .1 , CONSIVIING OF 99 - QUI K4 . I � . � � � - - _1 I I :4 . � I . (MIDDLESEX CO UNT', I
. FILTERMITTTm ' I I I . I ' "'�� ' -� . . Ic EX. PAVED DR4-VEWi TO C I I ,CML r4 1 1 1 . 0
i � I . . � , COMPOST FILTERMITT I - 1 24' WIDE X 50' LONG' I _� . I PROP. 3TAKED 6 , -_ I
i I I . I I I I I . I I . STA14DARD INFILTRATOR NITS RE REMOVED. AREA TO -, , . - - , - .
i . I . . I � . . I I I I � � I -100, No.41480 .
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