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HomeMy WebLinkAboutSD-444-2APPROVED BY THE TOWN OF LEXINGTON PLANNING BOARD ;v INVERT ELEVATIONS 05-1 X22 2515 (129(0UT)(HEADAALL) DMH -1 - /. 52> V DMH -2 PLANNING BOARD MEMBER DATE IDECLAF f'ROFE� INFORMATIC PLAN AAS Pf WITH THE RUI THE RE FOR MERIDIAN ;f i TO THE BEST OF MY 3NAL KNOALEDGE, AND BELIEF, THAT TH15 BARED IN ACCORDANCE 3 AND RE6ULATION5 OF S E DEED5. 1�3.S1ea 5500IATES, INC. DATE I HEREBY CERTIFY THAT NOTICE OF APPROVAL OF TH15 PLAN BY THE LEXINGTON PLANNING BOARD AAS RECEIVED AND RECORDED AT TH15 OFFICE AND THAT NO NOTICE OF APPEAL AAS FILED IN 20 DAYS FOLLOWING SAID RECEIPT A RECORDING. d7�rn a%1 r 31 o TORN CLERK, LEXIN6-( ON; MA. 0ATt :i..tr ry:�t. l et . 6iW1 -GIB SPECIAL PERMIT NOTE ALL SITE CONSTRUCTION ACTIVITIES SHALL BE IN ACCORDANCE WITH THE SPECIAL PERMIT WITH SITE PLAN REVIEA FILED ON SEPTEMBER 12,200-1 BY THE TORN OF LEXINGTON PLANNING BOARD. V. r-254. 9 b_-2_5,3 F r 0 "i'v V d= 2/.; UTILITY EASEMEN r. � o 52 ,� b 2 rt`A :251.4"' 43. T` LOT I N 259.2 43 1. 5# S.F. a a s \ q� 2511 6Q •SO v 2 ••;�� A ,` - -- * Ste` C��': k r , �i VV, e ✓ e f r� f.:; r: l 1 1 RIM 3 INVERT SnwE ULE DRAINAGE SYSTEM = 248.5• INVERT ELEVATIONS 05-1 X22 2515 (129(0UT)(HEADAALL) DMH -1 - /. 52> 250.2 (1290N)(005 -1) 250.2 (1211)(OUT)(FE -2) DMH -2 .. =2 ^T- 5 t ;f i TO THE BEST OF MY 3NAL KNOALEDGE, AND BELIEF, THAT TH15 BARED IN ACCORDANCE 3 AND RE6ULATION5 OF S E DEED5. 1�3.S1ea 5500IATES, INC. DATE I HEREBY CERTIFY THAT NOTICE OF APPROVAL OF TH15 PLAN BY THE LEXINGTON PLANNING BOARD AAS RECEIVED AND RECORDED AT TH15 OFFICE AND THAT NO NOTICE OF APPEAL AAS FILED IN 20 DAYS FOLLOWING SAID RECEIPT A RECORDING. d7�rn a%1 r 31 o TORN CLERK, LEXIN6-( ON; MA. 0ATt :i..tr ry:�t. l et . 6iW1 -GIB SPECIAL PERMIT NOTE ALL SITE CONSTRUCTION ACTIVITIES SHALL BE IN ACCORDANCE WITH THE SPECIAL PERMIT WITH SITE PLAN REVIEA FILED ON SEPTEMBER 12,200-1 BY THE TORN OF LEXINGTON PLANNING BOARD. V. r-254. 9 b_-2_5,3 F r 0 "i'v V d= 2/.; UTILITY EASEMEN r. � o 52 ,� b 2 rt`A :251.4"' 43. T` LOT I N 259.2 43 1. 5# S.F. a a s \ q� 2511 6Q •SO v 2 ••;�� A ,` - -- * Ste` C��': k r , �i VV, e ✓ e f r� f.:; r: l 1 1 RIM 3 INVERT SnwE ULE DRAINAGE SYSTEM RIM EL. INVERT ELEVATIONS 05-1 260.5 2515 (129(0UT)(HEADAALL) DMH -1 261.0 250.2 (1290N)(005 -1) 250.2 (1211)(OUT)(FE -2) DMH -2 258.25 254.15 (I5 ")(IN)(005 -3) 254.75 (I5 ")(OUT)(FE -1) FE -1 - 254.0 (15 ") FE -2 248.0 (12 ") HEADAALL - 257.4 (12 ") TREET SHADE S ..- l s AMR INFORMATION REFER TO DETAIL SHEET (9 OF 9) FOR oo� S ✓ld;�J� -- _ j ` THE FOLLOWING LAYOUT CRITERIA SHALL CONTROL UNLE55 OTHERWISE NOTED ON THE PLAN: DIMEN51ON5 FROM iS •. 4 r`'` ` 5UILDIN65 ARE FROM FACE OF BUILDING. DIMENSIONS ARE TO FACE OF CURB AT GUTTER LINE, ALL TIES TO HOE RAM EXISTING ''� PROPERTY LINES ARE PERPENDICULAR TO THE PROPERTY LINE UNLE55 OTHERWISE NOTED. APPROXIMATELY LE ,�?a =/ , o ` n%: / c 25c e r?I ✓ /� . � 1. , UNDERBRUSH A5.NE _- ,A %Ln =255 - � _ e, , DISTANCE. RELOG/ p tr;Jb= 1.5x'. FOOT UNLESS OTHERWISE SPECIFIED. ANY DISCREPANCIES NOT ALLOWING THIS MINIMUM PITCH SHALL BE z REPORTED TO THE ENGINEER PRIOR TO CONTINUINGG WORK ✓c -./ 72 u 2 582 , IPrV 254.2 CONTRACTOR SHALL MAINTAIN POSITIVE DRAINAGE AWAY FROM ALL BUILDING FOUNDATIONS, STRUCTURES AND PLANTING BEDS. TREET SHADE S ..- l s AMR INFORMATION 5E TO PROVIDE ROAD SHOULDER DECLARATION OF PROTECTIVE COVANENTS AND RESTRICTIONS. AITH EXI5TIN6 ROAD. CLEAR SARY TO OPTIMIZE 516HT STAKED HAYBALES AITH SILTATION FENCE, SHALL BE INSTALLED AHERE INDICATED ON THE PLANS AND IN OTHER XISTING HALL (TYP.) APPROPRIATE LOCATIONS AHERE INARRANTED, THESE BARRIERS 544ALL BE INSTALLED PRIOR TO THE COMMENCEMENT OF ANY AORK ON 51TE AND IN ACCORDANCE AITH THE CONSTRUCTION PLANS. A SUPPLY OF 'INS VEGETATION AITHIN HAY5ALE5 AND SILT FENCE SHALL BE KEPT ON SITE TO REPLACE AND /OR REPAIR BARRIER5 THAT ARE ING ING T IO 6 THIN DAMAGED OR DEGRADED. THE BARRIERS SHALL BE OBSERVED AND MAINTAINED AS NECESSARY ON A AEEKLY P, " BASIS DURING CONSTRUCTION. AS . IN FIELD. TEMPORARY INLET PROTECTION BARRIERS GON515TIN6 OF SILT 5ACK5 RILL BE PLACED AROUND ALL PI'✓ < ; / f f ,yj° L CONSTRUCTED DRAINAGE INLETS. THE PURP05E OF THE FILTER 15 TO PREVENT THE INFLOW OF SEDIMENTS INTO fr ,+ ": 1_- .- 'ne,°° "_�_ �,.,,_ *_"���i'.. .� Sa ,.y �` - 7 rn'"'r:, -.'f" ft�vu- _. ', ,�+s� >j: �\ - ,° J" y \7 � ..rs.�F• '�}':- �a+� w� ',' :_-, -_ _��'� { `'�.^y3f j., Fg' •.,� -'h -,-_^v �.. c�,Z�� �, .�I' _ _ "3+ ..,;N.- .� 3� -�i ).i, S; f.. �, �v',.' -a .` z „': y. .G"�`�'>� t f1`ty %� ^��r "Y/•�>..__.. -� l'.€" -;��4h <m,'XiI l""X -•-f'v r� ) / . ^� 2 p `�/` _ .� � \ _ >,�-�_. � "/�` r , • �,cf,' °��:•, t <:' � ?'1'�ROPO 1 T ' N - - ' °°.,. ; .2bI - �r =.:.. -, ?,° 'F 17J ; r"-w z ' -6G' - ;•h"t'�.�,�j r «. .% :.t �r r ; .r 2.�'�• �- � ��. ,,;t Pa CHIP # T? ;h' r t3RiVE (TYHP 266 T s � - ' - N .2 r�JO �i! - F21 BIO- RETENTION \ ut FFE: �: ✓ F F � � V ✓ -25J, ON }. ;, � . {u 2F�i.. - �� _ ,~Aar,, BASIN 1 c. r'F-% "�,� + #;,.�{,�., ,.0 %�z i 6` �. "rcv ' S5. f 266.3 125392± 26 r s + � 1 D~ %JF `. 261- S.F. $,, . 6 tK .- -.► _ � t � 1 26b.5 - rr �;�:. � �� Fi��, • 1 _.264.4 n- 6:2 OPEN 5PAGE LqT C C '- / 2. )45;401± S.F. ; k.r, # f. ? t{p € a i 1 ) / ii �,ji;•.... ..,:i� F�y f PROP `� � 7 # . N 66c4J 1 GONG. �.. 262.3 #4 ` .r s' <> \ OG5 -1 i. ` -, � 262.9 �Y q All 262 ?Y 264. OR r l All Nz xi'.. _ :ice_'•. �--.,. - ? -�.. ��..- ,:,: 'S! Z'.� s" `rs. r -�� si `� _ , , •,. 1 r. �'" �1�•t- "T Ei.., * ..ri'°^' .\ J�\.�5�� . \�f - 2 4 `��#•'� 5r r.. ✓ 1'fP �� n' b t .5 _ 1 _ �<. �� \ 2 ��° fill NEDUST c DRIVEWAY l` E -„ , r ti r '9 255 fnr ;- 2 142 ,, ti. rS. t Ft" t .� F7 f r ,/ C 7 §. ✓ ' / y ; >;f' �� \ `:' ! < , t ,� } `:a ;� / �:,. ,r4..�✓,' � ;i ri St r :2 �`. 1f #t'2 _ ='252.x' y � � " :. .fir, � Y �. t.. �.:Y.,/. z' n,•, ?,l / r�, # � -., / .�uR; ;alr- .,. ` \, ,y;� ;-.._ ;. ,�. f� ..\ ��..f..•. 2:,..7`FcfFi ` � %i' r i z.. -. ,l.e.✓ .,t'�EE;J � ' �f .�I�% �+ .,j�x J_.^ 'r -�:�^ ,, / /• � ��i �> :X r .. t� .may .,� ;F` �- f .�..� ''/ ,:y i - �R `: r-+ rr / ? %_ -.% �`` � �"� "'��. �- ^'?�- } >_.r_. ;t �t •a l a is ,. s c 2/ { / S LO -T 24,401'7± 12 f' e N _ / f 46 / 22. -5 >/1� -. / R IE Jy - - / ��'1?'J _ NOW OR FORMERLY � -` . r.: / / /�A /{�, / PM ATLANTIC LEXINGTON, LCC ✓ /,•�nYS �_ �, ct: i,'i - °� r'/ L�MiT Of (TYP)� DEED BOOK 37402 PAGE 318 - - _ n a.:. - ark, - :,-ry4 h / f 1„•G / f'� i ''..%'sue � ,f,.,.- ��-�^ z:.r._ •I _ - / / / i s 25 _ 4 �� T9 /2L4t�:F. % f/ •. ✓ f / GSA t�, -- 25 - I?jb / / / 'OR REGISTRY OF DEEPS U5E_ _ i - _ J - -- _ WF? NO# _ s - - -- -2,52­ -_ - -- - -- - - -- ^, WF #A1 /,u� . �- __ _ Ili _- -- }00 BUFFER FR M kWFA�6 128. - - ._ -. .- _ - - - BORDERING VEGETATED WE TL -.� .c / Wr A25 # - - - -!'- -- - NOW OR FORMERLY WF A5 1L WF#A23R 2 ;. z ,. __ \ PM ATLANTIC LEXINGTON, LLC / Y DEED BOOK 37402 PAGE 318 -THIS PLAN 15 SUBJECT TO A COVENANT DATED ------------ WF #A7 WF #A22 / °TH15 PLAN 15 SUBJECT TO A CERTIFICATE OF ACTION DATED ----- - - - - -' RAP r 9 A)ORON (TYP.) THE CONSTRUCTED DRAINAGE SYSTEMS. THE BARRIERS SHALL REMAIN IN PLACE UNTIL A PERMANENT COVER 15 - - ESTABLISHED OR DIVERSIONS AAAY FRO M THE INLETS ARE CONSTRUCTED. THE BARRIERS SHALL BE OBSERVED j AND MAINTAINED AS NECESSARY ON A WEEKLY BASIS DURING CONSTRUCTION. THE SURFACE OF ALL V15TURBED AREAS SHALL BE STABILIZED DURING AND AFTER CONSTRUCTION. TEMPORARY MEASURES SHALL BE TAKEN j DURING CONSTRUCTION TO PREVENT ER05ION AND SILTATION. ALL FINISHED 5URFA0E5 SHALL BE STABILIZED - .,.MATGfI,`'.= WITH FINISH MATERIALS OR PERMANENT VEGETATIVE COVER: SOME OR ALL OF THE FOLLOWING MEASURES AILL BE UTILIZED ON THIS PROJECT AS CONDITIONS MAY AARRANT: TEMPORARY SE;EDIN6, TEMPORARY MULCHING, PERMANENT SEEDING, PLACEMENT OF SOD HYD R OSEEDING , PLACEMENT OF HAY PLACEMENT OF JUTE NETTING. RIM ELEVATIONS ARE APPROXIMATE. ADJUST ALL CA5TING5 TO FINISHED GRADE. - ALL WORK CONDUCTED AITHIN PUBLIC RIGHT -OF -WAYS SHALL CONFORM TO THE REQUIREMENTS AND SPECIFICATIONS OF THE TOWN OF LEXINGTON AND THE MASSACHUSETTS HI&HAAY DEPARTMENT. CONTRACTOR SHALL REPORT SIGNIFICANT CONFLICTS TO THE OWNERS REPRE5EENTATIVE FOR RESOLUTION. SCREENED IMAGES SHOW EXI5TIN6 CONDITIONS. WHERE EXISTING CONDITIONS LIE UNDER OR ARE IMPINGED UPON BY FROP05ED BUILDINGS AND /OR 51TE ELEMENTS, THE EXISTING CONDITION WILL BE REMOVED, ABANDONED AND /OR GAPPED OR DEMOLISHED AS REQUIRED. TA 270.3 FLOOR DRAINS MAY BE REQUIRED FOR LOTS I d 2. IF NEGGE55ARY DAYLIGHT DRAINS A1THN BW 265.5 LIMIT OF AORK 5HOAN ON THIS PLAN. ; ? L � r4� ✓vJ ✓� -c ;� PROPOSED CONDITIONS LE6EN17 V15TOR PARKING (TYP) (8 PROVIDED) PROPERTY LINE 100 5:F. DECK (TYP) BUILDING_ GL ` 264.5 CONCRETE UNIT PAVEMENT w �.. ;v�4 RETAINING HALL/ TREE HELL O c4 v U 6RAVELPAVE2 PERVIOUS PAVEMENT U > .0 Z� 265.0 V EROSION CONTROL BARRIER Q , L B R ER A v NOW OR FORMERLY APPROX. LIMIT OF AORK LINE ® • 0 ' ® . ~r "� O - CHRISTOPHER E. & °Zj F JANET T. NEEDHAM O ELEVATIONAL CONTOUR 222 � .� � •4 "'X L.G. CER77FtCA7E No. 262.2 773249 SPOT GRADE +2.22 12 'WOOD CHIP DRAIN MANHOLE DMH0 �-d PATHWAY { DRAINAGE LINE D j2b�% F vz2. 05 CATCH BASIN FE -2 IB 3 OUTLET CONTROL STRUCTURE [Q OGS FLARED END SECTION 9 FE RIP RAP APRON/ IMPACT BASIN iB 810 _ T RETEN ION LF ~' PEDESTRIAN SCALE LIGHTING FIXTURE x.' r APPROXIMATE TREELIKE EXISTING TREE TO BE REMOVED VERIFY IN FIELD VIF` U r ' 'c TABLE OF DEVELOPMENT DATA C^ STANDARD TOTAL PROVIDED NORTH CAMPUS SOUTH CAMPUS vrw u. � . - t i. 0 W -v N, TOTAL LAND AREA 100,000 S.F. 407654± S.F. - - (9.36± AC) ! ►•-1 ¢ � _ � i .. � �rf m�., -cam r. i/ � F13 � G.,,... _. _ r ;a# ° . . 3 -?, , r DEVELOPABLE AREA - t - - er 406,104 S.F. V e>o.. $ (q.32tAG.)! v MMON OPEN SPACE I0I,gI4t S.F. 145,401t S.F. LOT 5 (25% MIN.) (35.61 %) rn H S W ci , WF 11R USABLE OPEN SPACE 13Op00 S.F. 148p20t S.F. / WF #12 tM1F #43 ff (5000 S.F./ UNIT) JaL IMPERVIOUS SURFACE 7313-15± S.F. 72,9411 S.F. 24,4561 S.F. 48,4851 S.F. z z NOW OR FORMERLY., = o O (TOTAL) (18% MAX.) (17.89 %) v2 WF #10 PM ATLANTIC LEXJNGTON,ALLC �. W DEED BOOK 37402, PAGE 318* .2 9 DYeLL1NG5 - 14 DAELLIN67S 4 VAELLINC75 10 DAELLING5 # _ w DAELLING UNITS' 1356 26 UNITS 6 UNITS 20 UNITS Tye #g WF #7 GR055 FLOOR AREA 97,632± S.F. (MAX) 96,9b0± S.F. 3319851 S.F. 62,9151 S.F. DATE: ANDS WF#6 SCALE: I "= 40' MAY 24, 2007 LIVING AREA 63,7321 S.F. (MAX.) 591346± S.F. 21,8661 S.F. 31,480± 5.F. SCALE: ! ,f _ 0' 40' 20' O 401 80' 120' ITE COVERAGE OF 39,324± S.F. (MAX.) 38,9331 S.F. 1218 -18± S.F. 26,0551 S.F. 1 NNVV INELLIN6 UNITS PROTECT NO. OTAL NUMBER OF 61.8 (MAX.) 64.29 19.41 44.88 8261 CGUPANTS HIGULAR TRIP 203.4 (MAX.) 1-18.141 VTD 46.23 VTD 131.96 VTD SKEET No. GENERATION 6 OF 9 DWG No. 8251_PER07 SITE.dwg- i GENERAL NOTES THE FOLLOWING LAYOUT CRITERIA SHALL CONTROL UNLE55 OTHERWISE NOTED ON THE PLAN: DIMEN51ON5 FROM > 5UILDIN65 ARE FROM FACE OF BUILDING. DIMENSIONS ARE TO FACE OF CURB AT GUTTER LINE, ALL TIES TO PROPERTY LINES ARE PERPENDICULAR TO THE PROPERTY LINE UNLE55 OTHERWISE NOTED. PITCH EVENLY BETWEEN SPOT GRADES. ALL PAVED AREAS MUST PITCH TO DRAIN AT A MINIMUM OF 1/8" PER � � � p FOOT UNLESS OTHERWISE SPECIFIED. ANY DISCREPANCIES NOT ALLOWING THIS MINIMUM PITCH SHALL BE z REPORTED TO THE ENGINEER PRIOR TO CONTINUINGG WORK Z CIO u ¢ CONTRACTOR SHALL MAINTAIN POSITIVE DRAINAGE AWAY FROM ALL BUILDING FOUNDATIONS, STRUCTURES AND PLANTING BEDS. s. THE CONTRACTOR SHALL PRESERVE FROM DAMAGE ALL VEGETATION DESIGNATED TO REMAIN AS SHOWN ON THE DRAWINGS. THE LIMIT OF CLEARING SHALL BE IN ACCORDANCE WITH LIMIT OF WORK AS SHOWN ON THE DRAWINGS, UNLESS OTHERWISE SPECIFIED. NO TREES SHALL BE CUT, REMOVED, DESTROYED OR TRIMMED 1. 04 � OUTSIDE THE LIMIT OF WORK WITHOUT APPROVAL OF THE OWNER AND THE TOWN OF LEXINGTON PLANNING BOARD. THE 51TE CONTRACTOR SHALL BE RESPONSIBLE FOR ER05ION AND SEDIMENTATION CONTROL MEASURES DURING CONSTRUCTION P05T CONSTRUCTION MAINTENANCE SHALL BE PERFORMED BY THE HOMEOANERI5 ASSOCIATION 5E TO PROVIDE ROAD SHOULDER DECLARATION OF PROTECTIVE COVANENTS AND RESTRICTIONS. AITH EXI5TIN6 ROAD. CLEAR SARY TO OPTIMIZE 516HT STAKED HAYBALES AITH SILTATION FENCE, SHALL BE INSTALLED AHERE INDICATED ON THE PLANS AND IN OTHER XISTING HALL (TYP.) APPROPRIATE LOCATIONS AHERE INARRANTED, THESE BARRIERS 544ALL BE INSTALLED PRIOR TO THE COMMENCEMENT OF ANY AORK ON 51TE AND IN ACCORDANCE AITH THE CONSTRUCTION PLANS. A SUPPLY OF 'INS VEGETATION AITHIN HAY5ALE5 AND SILT FENCE SHALL BE KEPT ON SITE TO REPLACE AND /OR REPAIR BARRIER5 THAT ARE ING ING T IO 6 THIN DAMAGED OR DEGRADED. THE BARRIERS SHALL BE OBSERVED AND MAINTAINED AS NECESSARY ON A AEEKLY P, " BASIS DURING CONSTRUCTION. AS . IN FIELD. TEMPORARY INLET PROTECTION BARRIERS GON515TIN6 OF SILT 5ACK5 RILL BE PLACED AROUND ALL PI'✓ < ; / f f ,yj° L CONSTRUCTED DRAINAGE INLETS. THE PURP05E OF THE FILTER 15 TO PREVENT THE INFLOW OF SEDIMENTS INTO fr ,+ ": 1_- .- 'ne,°° "_�_ �,.,,_ *_"���i'.. .� Sa ,.y �` - 7 rn'"'r:, -.'f" ft�vu- _. ', ,�+s� >j: �\ - ,° J" y \7 � ..rs.�F• '�}':- �a+� w� ',' :_-, -_ _��'� { `'�.^y3f j., Fg' •.,� -'h -,-_^v �.. c�,Z�� �, .�I' _ _ "3+ ..,;N.- .� 3� -�i ).i, S; f.. �, �v',.' -a .` z „': y. .G"�`�'>� t f1`ty %� ^��r "Y/•�>..__.. -� l'.€" -;��4h <m,'XiI l""X -•-f'v r� ) / . ^� 2 p `�/` _ .� � \ _ >,�-�_. � "/�` r , • �,cf,' °��:•, t <:' � ?'1'�ROPO 1 T ' N - - ' °°.,. ; .2bI - �r =.:.. -, ?,° 'F 17J ; r"-w z ' -6G' - ;•h"t'�.�,�j r «. .% :.t �r r ; .r 2.�'�• �- � ��. ,,;t Pa CHIP # T? ;h' r t3RiVE (TYHP 266 T s � - ' - N .2 r�JO �i! - F21 BIO- RETENTION \ ut FFE: �: ✓ F F � � V ✓ -25J, ON }. ;, � . {u 2F�i.. - �� _ ,~Aar,, BASIN 1 c. r'F-% "�,� + #;,.�{,�., ,.0 %�z i 6` �. "rcv ' S5. f 266.3 125392± 26 r s + � 1 D~ %JF `. 261- S.F. $,, . 6 tK .- -.► _ � t � 1 26b.5 - rr �;�:. � �� Fi��, • 1 _.264.4 n- 6:2 OPEN 5PAGE LqT C C '- / 2. )45;401± S.F. ; k.r, # f. ? t{p € a i 1 ) / ii �,ji;•.... ..,:i� F�y f PROP `� � 7 # . N 66c4J 1 GONG. �.. 262.3 #4 ` .r s' <> \ OG5 -1 i. ` -, � 262.9 �Y q All 262 ?Y 264. OR r l All Nz xi'.. _ :ice_'•. �--.,. - ? -�.. ��..- ,:,: 'S! Z'.� s" `rs. r -�� si `� _ , , •,. 1 r. �'" �1�•t- "T Ei.., * ..ri'°^' .\ J�\.�5�� . \�f - 2 4 `��#•'� 5r r.. ✓ 1'fP �� n' b t .5 _ 1 _ �<. �� \ 2 ��° fill NEDUST c DRIVEWAY l` E -„ , r ti r '9 255 fnr ;- 2 142 ,, ti. rS. t Ft" t .� F7 f r ,/ C 7 §. ✓ ' / y ; >;f' �� \ `:' ! < , t ,� } `:a ;� / �:,. ,r4..�✓,' � ;i ri St r :2 �`. 1f #t'2 _ ='252.x' y � � " :. .fir, � Y �. t.. �.:Y.,/. z' n,•, ?,l / r�, # � -., / .�uR; ;alr- .,. ` \, ,y;� ;-.._ ;. ,�. f� ..\ ��..f..•. 2:,..7`FcfFi ` � %i' r i z.. -. ,l.e.✓ .,t'�EE;J � ' �f .�I�% �+ .,j�x J_.^ 'r -�:�^ ,, / /• � ��i �> :X r .. t� .may .,� ;F` �- f .�..� ''/ ,:y i - �R `: r-+ rr / ? %_ -.% �`` � �"� "'��. �- ^'?�- } >_.r_. ;t �t •a l a is ,. s c 2/ { / S LO -T 24,401'7± 12 f' e N _ / f 46 / 22. -5 >/1� -. / R IE Jy - - / ��'1?'J _ NOW OR FORMERLY � -` . r.: / / /�A /{�, / PM ATLANTIC LEXINGTON, LCC ✓ /,•�nYS �_ �, ct: i,'i - °� r'/ L�MiT Of (TYP)� DEED BOOK 37402 PAGE 318 - - _ n a.:. - ark, - :,-ry4 h / f 1„•G / f'� i ''..%'sue � ,f,.,.- ��-�^ z:.r._ •I _ - / / / i s 25 _ 4 �� T9 /2L4t�:F. % f/ •. ✓ f / GSA t�, -- 25 - I?jb / / / 'OR REGISTRY OF DEEPS U5E_ _ i - _ J - -- _ WF? NO# _ s - - -- -2,52­ -_ - -- - -- - - -- ^, WF #A1 /,u� . �- __ _ Ili _- -- }00 BUFFER FR M kWFA�6 128. - - ._ -. .- _ - - - BORDERING VEGETATED WE TL -.� .c / Wr A25 # - - - -!'- -- - NOW OR FORMERLY WF A5 1L WF#A23R 2 ;. z ,. __ \ PM ATLANTIC LEXINGTON, LLC / Y DEED BOOK 37402 PAGE 318 -THIS PLAN 15 SUBJECT TO A COVENANT DATED ------------ WF #A7 WF #A22 / °TH15 PLAN 15 SUBJECT TO A CERTIFICATE OF ACTION DATED ----- - - - - -' RAP r 9 A)ORON (TYP.) THE CONSTRUCTED DRAINAGE SYSTEMS. THE BARRIERS SHALL REMAIN IN PLACE UNTIL A PERMANENT COVER 15 - - ESTABLISHED OR DIVERSIONS AAAY FRO M THE INLETS ARE CONSTRUCTED. THE BARRIERS SHALL BE OBSERVED j AND MAINTAINED AS NECESSARY ON A WEEKLY BASIS DURING CONSTRUCTION. THE SURFACE OF ALL V15TURBED AREAS SHALL BE STABILIZED DURING AND AFTER CONSTRUCTION. TEMPORARY MEASURES SHALL BE TAKEN j DURING CONSTRUCTION TO PREVENT ER05ION AND SILTATION. ALL FINISHED 5URFA0E5 SHALL BE STABILIZED - .,.MATGfI,`'.= WITH FINISH MATERIALS OR PERMANENT VEGETATIVE COVER: SOME OR ALL OF THE FOLLOWING MEASURES AILL BE UTILIZED ON THIS PROJECT AS CONDITIONS MAY AARRANT: TEMPORARY SE;EDIN6, TEMPORARY MULCHING, PERMANENT SEEDING, PLACEMENT OF SOD HYD R OSEEDING , PLACEMENT OF HAY PLACEMENT OF JUTE NETTING. RIM ELEVATIONS ARE APPROXIMATE. ADJUST ALL CA5TING5 TO FINISHED GRADE. - ALL WORK CONDUCTED AITHIN PUBLIC RIGHT -OF -WAYS SHALL CONFORM TO THE REQUIREMENTS AND SPECIFICATIONS OF THE TOWN OF LEXINGTON AND THE MASSACHUSETTS HI&HAAY DEPARTMENT. CONTRACTOR SHALL REPORT SIGNIFICANT CONFLICTS TO THE OWNERS REPRE5EENTATIVE FOR RESOLUTION. SCREENED IMAGES SHOW EXI5TIN6 CONDITIONS. WHERE EXISTING CONDITIONS LIE UNDER OR ARE IMPINGED UPON BY FROP05ED BUILDINGS AND /OR 51TE ELEMENTS, THE EXISTING CONDITION WILL BE REMOVED, ABANDONED AND /OR GAPPED OR DEMOLISHED AS REQUIRED. TA 270.3 FLOOR DRAINS MAY BE REQUIRED FOR LOTS I d 2. IF NEGGE55ARY DAYLIGHT DRAINS A1THN BW 265.5 LIMIT OF AORK 5HOAN ON THIS PLAN. ; ? L � r4� ✓vJ ✓� -c ;� PROPOSED CONDITIONS LE6EN17 V15TOR PARKING (TYP) (8 PROVIDED) PROPERTY LINE 100 5:F. DECK (TYP) BUILDING_ GL ` 264.5 CONCRETE UNIT PAVEMENT w �.. ;v�4 RETAINING HALL/ TREE HELL O c4 v U 6RAVELPAVE2 PERVIOUS PAVEMENT U > .0 Z� 265.0 V EROSION CONTROL BARRIER Q , L B R ER A v NOW OR FORMERLY APPROX. LIMIT OF AORK LINE ® • 0 ' ® . ~r "� O - CHRISTOPHER E. & °Zj F JANET T. NEEDHAM O ELEVATIONAL CONTOUR 222 � .� � •4 "'X L.G. CER77FtCA7E No. 262.2 773249 SPOT GRADE +2.22 12 'WOOD CHIP DRAIN MANHOLE DMH0 �-d PATHWAY { DRAINAGE LINE D j2b�% F vz2. 05 CATCH BASIN FE -2 IB 3 OUTLET CONTROL STRUCTURE [Q OGS FLARED END SECTION 9 FE RIP RAP APRON/ IMPACT BASIN iB 810 _ T RETEN ION LF ~' PEDESTRIAN SCALE LIGHTING FIXTURE x.' r APPROXIMATE TREELIKE EXISTING TREE TO BE REMOVED VERIFY IN FIELD VIF` U r ' 'c TABLE OF DEVELOPMENT DATA C^ STANDARD TOTAL PROVIDED NORTH CAMPUS SOUTH CAMPUS vrw u. � . - t i. 0 W -v N, TOTAL LAND AREA 100,000 S.F. 407654± S.F. - - (9.36± AC) ! ►•-1 ¢ � _ � i .. � �rf m�., -cam r. i/ � F13 � G.,,... _. _ r ;a# ° . . 3 -?, , r DEVELOPABLE AREA - t - - er 406,104 S.F. V e>o.. $ (q.32tAG.)! v MMON OPEN SPACE I0I,gI4t S.F. 145,401t S.F. LOT 5 (25% MIN.) (35.61 %) rn H S W ci , WF 11R USABLE OPEN SPACE 13Op00 S.F. 148p20t S.F. / WF #12 tM1F #43 ff (5000 S.F./ UNIT) JaL IMPERVIOUS SURFACE 7313-15± S.F. 72,9411 S.F. 24,4561 S.F. 48,4851 S.F. z z NOW OR FORMERLY., = o O (TOTAL) (18% MAX.) (17.89 %) v2 WF #10 PM ATLANTIC LEXJNGTON,ALLC �. W DEED BOOK 37402, PAGE 318* .2 9 DYeLL1NG5 - 14 DAELLIN67S 4 VAELLINC75 10 DAELLING5 # _ w DAELLING UNITS' 1356 26 UNITS 6 UNITS 20 UNITS Tye #g WF #7 GR055 FLOOR AREA 97,632± S.F. (MAX) 96,9b0± S.F. 3319851 S.F. 62,9151 S.F. DATE: ANDS WF#6 SCALE: I "= 40' MAY 24, 2007 LIVING AREA 63,7321 S.F. (MAX.) 591346± S.F. 21,8661 S.F. 31,480± 5.F. SCALE: ! ,f _ 0' 40' 20' O 401 80' 120' ITE COVERAGE OF 39,324± S.F. (MAX.) 38,9331 S.F. 1218 -18± S.F. 26,0551 S.F. 1 NNVV INELLIN6 UNITS PROTECT NO. OTAL NUMBER OF 61.8 (MAX.) 64.29 19.41 44.88 8261 CGUPANTS HIGULAR TRIP 203.4 (MAX.) 1-18.141 VTD 46.23 VTD 131.96 VTD SKEET No. GENERATION 6 OF 9 DWG No. 8251_PER07 SITE.dwg- i