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HomeMy WebLinkAboutApproved Septic - Plans - 674 TURNPIKE STREET 12/6/2023 HIGH STRENGTH a PVC TEE 4"PVC TEE ONO.COVER DOUBLE PITCHED MOD ZABEL FILLER NOTE: BAG PLACED ON access$OVER a+aw WITH GAS BAFFLE =TYPE SEAMS casr IRax c.Eanwr a•aE�r. i OP S.T 241.1 f MODEL At 800 OR AS PER TITLE 5,ALL COMPONENTS OF THE AGGREGATE OR '� w/co+�n toR *msr ciuc a+ 25Q- -250 �-� STRAW j1 ' � >m °�" Ecnnv=D T �€o Eurc FINISH GRADE 9 MIN.,36"Max APPROVED EQUAL.AL SEWAGE DISPOSAL SYSTEM SHALL BE MARKED I SYSTEM CROSS-SECTION A-.A ABOVE TO r TANK(RISER / FILTER SHALL BE WITH MAGNETIC TAPE PRIOR TO BACKFILL. r-SE N IN SPOUT :jfj 1 SCALE.'1-20'HORII INV.IN S.T. AND COVER O FINISH GRADE) �, / LEANED ANNUALLY � TOP OF )J) HIGH STRENGTH / 246- 1"=&'VERT, -246 f CHAMBERS STRAPPING FOR AGGREGATE OR STRAW-J �+; �* PROP EXIST'. l 2MI D.A fj INV,OUT S.T. =240.05 1 INV.OUT BEG.INV. =239.80 r�s�� �� HOLDING NOSE UNDERLAYMEN£ GRADE GRfiDE ( a" M!"' ' =239.80 =23953 =239.47 8, DIRTBAG N PLACE SIDE VIEW d a d d a d G Sa a d 242 242 7 1 t' .02 ftjfc I+ul�marou Vr- a d a - - CAP END INV. WATER FLOW d G G - 4 souD scH 4G PVC /" _ 3"MIN 6 Tot ft ft MUL �-FRGAd PUMP d I e �d f NV. BLDG. t M;N j a"oORT E =239.47 TESTING DETAILS: © {BOTTOM OF LEACHING FIELD 238- -238 = j4,.f'T MtN. MAX 6"MIN : C'SCH.40 PVG P. .l SUMP b" - - TIPND � 240.30 IQ QUID j A?ROW_D EC AL MP VENTED =I WATERTIGHT JOINT I'-= if8"EFT.AgIN. MI.N. _ PUMP p1R78AG HAS BEEN TESTED UNDER ASTM TITLE 5 FILL= A�-rRv Sw ao sc (SEE LOCAL /VEL DISCHARGE eg �? E.S.H.IT PL UNBIND REDS.) _. \j HOSE p-7880 AND ASTM-770i.THESE ARE •. ."' - 234- -2' SHALL 6 MIN. % - 24' v 6 M!\STtrN� C STANDARD TEST METHODS FOR DETERMINING PARENT MATERTI ' _ BOTTOM OF Es # OPENING FLOW RATE OF WATER AND SUSPENDED j AN INTERNAL PLUMBING E P'OR N:'.IN , HAMBERS LOCATED ACCOMODA TES SOLIDS RETENTION FROM A CLOSED OBSERVATION PORT 23Q- £P 11 -230 MODIFI D¶0N IS BENEATH ;_ JET.; -239.70 I CAP 9Rp =238.80 TOP VIEW UP TO 4 GEOSYNTHETtC 8AG.TES?NG SUMMARY MANHOLES DISCHARGE AVAILA LE UPON REQUEST. FACILITATE GRAVITY _ NOSE FLOW TO THE SYSTEM. 1000 GAL. 500 GAL. D-BOX OUTLET ELEVATION$SHALL BOTTOM O CHAMBERS Tp BE LEVEL '� BE EQUAL.A RISER Tea WITHIN 6" Q'S�� "T y' - GRADE.S REQUIRED IF 19"OF ""1A VARIANCES REQUESTED TO THE NQRTH ANDOVER BOARD c M.N.3f4`-1 1/2"sTGNE V OVER;s PRCPcsED ENGTH=53' 1 OF HEALTH REGULATIONS: 250- 150+ 53' X 12' - 836 FOUNDATI{}N GALLON SEPTIC TANK DISTRIBUTION BOX LEACHING FIELD - s.F. /j, ( �Ct•( SB fD.N' AN OFFSET DISTANCE OF 43'!S REQUESTED FROM THE SEPTIC TANK TO A MONOLITHIC 2-COMPARTMENT TANK IS REQUIRED. HS-24 LOADING REQUIRED B.V.W. *SEE CALCULATIONS FOR LEACHING AREA PROVIDED. AN OFFSET DISTANCE OF 51'IS REQUESTED FROM THE LEACH FIELD TO A t B.V.W. Exrsr. I CERTIFY THE IGN CONFORMS SEPTIC TANK SI:I-fEC?ULE�}F EL.EVATI{}NS PROPOSED AS-BUILT HOUSE TO THE REMEG A.S-APPROVAL, BEP:`C TANK :ALL BE A PRECAST,REINFORCED CONCRETE TANK MADE t� SYSTEM PROFILE COMPANY DES r L. AND WATRTIGI CONSTRUCTION MATERIALS AND DIMENSIONS SHALL TOP CONCRETE FOUNDATION 24E.50 T�TT SCALE i- SCALE.'1'=20 HORf2. 310 CMR i5.r 4._tE V-RM:0_?LE 5 AND AASH 70 Hs 1v REQUIREMENTS AND PLACED ON 7 ,T GRAPHIC SCALE 1 7"=2'VERT.. HAS COMPLETE 1 NECESSARY -TABLE MECHANICALLY COMPACTED LEVEL BASE. INERT AT FOUNDATI ON I 240.30 TRAINING BY RA INVERT TANK INLET ! 240,05 f zo o io zo <o ao COMPANY TOAPPROPRIATELY- I I 1 DESIGN THIS A RY SYSTEM, NKf SYSTEM:O BE t.v\TIED T':ROUGH THE BUILDING PLUMBING SYSTEM ,INVERT TANK OUTLET 239.80 AS REQUIRED BY BUILDING CODE 246- LOCAADDITIONS, E R.F. I LOGATers EL Ns AND rlEs (TOP SEPTIC TANK 241.1E -- ,S� SHOWN ON T' N-4ES T TANK SHOULD BE INSPECTED,MAINTAINED AND BE PUMPED OUT WHEN INV."D�BOX INLET 239.7Q i {IN FEET} all, FROM AN AC,Y"b QIRV='Y SLUDGE DEPTH N THE BOTTOM EXCEEDS ONE FOURTH OF THE TOTAL INV"D"BOX OUTLET 239.53 1 inch=20 ft. PERFORMED',..E UOi.ID DEPTH. ,TO, OF CHARMER 239.80 L; \�� A"LEAST THREE:20"MANHOLES SHALL BE PROVIDED. AT LEAST ONE -ter INVERT HIGH END 239.47 C-9 ✓`'�'OBf�i f2C23-✓ OF THE MANHOLES SHALL HAVE AN ACCESS PORT ACCESSIBLE To WTHIN t T Tq� 6"of FINISH GRADE. INVERT LOW END 239.47 C_E PROP. "D"BOX BOTTOM OF CHAMBER 238.80 "D"BOX TO BE MADE WATERTIGHT CONSTRUCTION MATERIALS AND GROUNDWATER OFFSET REQUIRED' 4' � LOT AREA - `tl GRAaL EXIST DIMENSIONS SHALL CONFORM TO TITLE 5 AND AASH`O HS to C3 p GROUNDWATER OFFSET UTILIZED 3' F � GRADE REQUIREMENTS AND PLACED ON ASTABLE MECHANICALLY j �OF .4`5� ,t1� � COMPACTED LEVEL BASE. *3'G.W.SEPARATION REQUESTED PER 314 CMR 75.445 7 h. 4?Q 54,004E S.F 242- R (}(} S&.jD.H j£- ft eQ T 1 2 4 f A G R E S --_ E "D'BOX OUTLETS SHALL BE INSTALLED LEVEL("BUILT UP"INVERTS, DESIGN CRITERIA 'T ,ilt„' "R-. NOT PERMITTED. 6A � � - GARBAGE GRINDERS-NOT PERMITTED 5A ,q I, ,tS1,=' _ -� FIRST 2'(MIN.)OF OUTLETS SHALL BE INSTALLED LEVEL TO EQUALIZE PERG.TESTS:PERFORMED BY JOHN D,SULLIVAN III FLOW so� �� � ,,�/' � WITNESSED BY ISSAC RQWE AGENT ,� �� F© 1 \ s�oF Q{, APPLICANT t4WNER CONTACT: `-s HE MINIMUM I SIDE DIMENSIONS of THE"D�BOX To BE 12"AND PERG.# RATE{MIL}ELEVATION DEPTH DATE 1 L e ZA -F ,1It, �E MINIMUM.WALL THICKNESS?0 BE 2". PERG 1 30 MPI 240.5 80° 09/09/14 ,{II. ,ilt,€ 'f MOH AMMAD YkMIN ii, S.T. ENFILTRATORS 674 TURNPIKE STREET = WHEN INLET PIPE SLOPE EXCEEDS 8%-PVC INLET TEE REQUIRED. NORTH ANDOVER,Mk CUT LOW END ABOVE OUTLET INVERT. C0v ait, \-��--JJ��..�� lI, Q-BOX SIEVE ANALYSIS PERFORMED BY U-MASS SOIL LAB J�I' 1 PHONE NUMBER:(978)821-0233 2`38- `D"BOX COVER TO BE SEALED WITH BITUMEN. V •4g 83A ` EMAIL:KOUROSHAZ�YAHOO.COM LEACH AREA SY ,CERTIFY.'Ai THE $`V-( C 5. ^t : A'E SAND F.�LOCATIONS ALL LOAM,LARGE E.BOULDERS OR FOREIGN MATERIAL ENCOUNTERED DURING Alt�I, h EXCAVATION ARE ITO BE REMOVED FROM THE LEACHING AREA, ' r ��f SHOWN H ON IS THE ' l ` \ tlt, •�g ACTUAL L'A'ION OF THE ALL SOIL INTERFACES SHALL BE SCARIFIED PRIOR TO THE PLACEMENT OF f = CONSERVATION COMMISSION NOTES: ry�o EXISTING OF WETLANDS STONE. LOADING RATE:0 33 GPD fSO.r T. 8 + ,Ili. tl?. ' FSNWTI \\�- i)EROSION CONROL STRAW WATTL-S SHALL BE LA.;OiE fit%ASSOCIATES. ALL STONE W PLACE SHALL BE DURABLE,FREE FROM IRON,FINES AND COOP Ili INSTALLED AND INSPECTED BY THE N.A,CC.PRIOR ,tlr, ( DUST AND DOUBLE WASHED. FLOWS: 3 BEDROOMS AT 110 GPD- 330 GPD TO AN WORK ON THE SITE. I S E >v_ (330 GRID MIN.) : - + 4A ,!'!S REQUIRED,ALL LOAM AND ORGANIC MATERIAL f -✓'�.\ _ 2)THE EROSION CONTROL BARRIER SHALL BE.. .C-G ! -•f I INSPECTED AND MAINTAINED THROUGHOUT ,il:, ' �$� BR:iCE �y� SHALL BE REMOVED qg FROM AREA'O BE FILLED FILL Su AiL BE SEPTIC TAN} REQUIRED:i, 1500 GAL.MIN.') 1 F _ _ s F COMPACTED O MINIMIZE SETTLEMENT AND SHALL BE CLEAN GRANULAR CONSTRUCTION AND UN1TL THE SITE STABILIZATION 234- f \ OCCURS i�WILSON,JR.�I MATERIAL,FREE'RUM FINES AND ORGANIC MATERIALS,AND SHALL BE IN 330 GPD X 2.0= 680 GAL.TANK ' ' t No.36870 ACCORDANCE WITH 310 CZAR 15,255(3). j \ f�Q it` 3)NO DE-W'ATERNG IS EXPECTED IF DE WATERING IS Ili j ! '$ 8 p LEACHING AREA PROMDED: x REQUIRED THE PUMP DISCHARGE SHALL BE { f6:TF4E '� JJ,, ali, ' - - ALL DISTURBED AREAS ARE TO BE LOAMEO,SEEDED AND MAINTAINED TO l APPROVED BY THE DESIGNER AND THE N.A.C.C. C, ' OpRj L`6 S>`� PREVENT EROSION, A.BASIS 30 MIN JIN.PERCOLATION RATE \- ( C'H f % \ BEFORE THE ACTIVITY BEGINS. `tit,y� ,rr= AREAS ABOVE THE SOIL ABSORPTION SYSTEM SHALL REMAIN PERVIOUS B.TOTAL LINEAR FEET OF INFILTRATOR \ iVl 1 1 e 1rt t,,?`( 4)SALLEE DISTURBED AREAS SHALL BE LTION O AND ttt jJ j I\ \ S 2g %'R \ t-j SEEDED IMMEDIA ELY UPON COMPLETION OF HE UNLESS UNAVOIDABLE..N SUCH CASES HE SYSTEM SHALL BE VENTED. CHAMBERS PRO IUED- LINEAR FEET ( I W ��� j 2\ +oQ } WORK. _ C. 212 L.F.OF INFILTRATOR CHAMBERS j f /'`\ ♦%& GENERAL NOTES s BRUCE E.W1LsoN,az.P.L s.#3ss7o © 4.72 S F L F.= 1000 S.F. 1 Jam_/ %2Q t'A�:411, - " SYSTEM IS-DESIGNED TO ACCOMMODATE SANITARY WATER ASSOCIATED J 14A WI T'.i NORMAL DOMESTIC USE AND CONSISTING OF WATER CARRIED D.TOTAL G.P.Q.PROVIDED 330 Q j ♦+sue Pu RESLBLE wAs E ONLY. E.TOTAL S.F. PROVIDED 1000 + T �1 ,tit. - "" 230- Tr" ALL COMPONENTS OF THE SEWAGE DISPOSAL SYSTEM SHALL BE COVERED T.B.M.M.N.tN'PAVEMENT � 1 � BY A MAXIMUM I',F 36'OF CLEAN BACKFILL MATERIAL,FREE OF STONES SYSTEM IN FILL �REQUIRED=NOT REQUIRED ELEVATION=242.83' j m-r -'-,* �� �'. 15A ` lL AND BOULDERS GREATER THAN 6"IN SIZE. IF ANY PORTION OF THE PROPOSED LEACHING AREA IS LOCATED ABOVE EXISTING GRADE OR WITHIN TOPSOIL,SUBSOIL,PEAT OR OTHER T OWNER SHALL VERIFY EFFECTIVE ZONING REGULATIONS PRIOR TO UNSUITABLE OR IMPERVIOUS SOIL LAYER,THEN THE PLACEMENT OF FILL \ ' q. J Ot-~ CONSTRUCTION. IS REQUIRED.PRIOR 70 THE PLACEMENT OF FILL,ALL UNSUITABLE OR ,i TG, 7 'kit, / 2 1 2^ IMPERMEABLE SOILS SHALL BE EXCAVATED TO A MINIMUM OF FIVE FEET \ alt, T C' f PROVISIONS OF�'IQ CMR'I S.4O 'f�'C.,QNTENTS OF e4 ^ S LATERALLY IN ALL DIRECTIONS BEYOND THE OUTER PERIMETER OF THE _ "DIP FOR ,Ill T *'-' \� i Fj PLAN SHOW'S ONLY THOSE FEATURES THAT WERE VISUALLY APPARENT ON DE-WA TER:NG f a:, 1 a' , - SOIL ABSORPTION SYSTEM TO THE DEPTH OF NATURALLY OCCURRING J{ -+ f LDGAL UPGRADE APPRQYAL' 9 DATE OF TOPOGRAPHY,AND THE ABSENCE OF SUBSURFACE STRUCTURES, PERVIOUS MATERIAL.FILL MATERIAL SHALL BE SELECT,ON-SITE OR rY \�,�0 �1:: (SEE DETAIL; 1ari \ tI, ,Ill, ',�.J t ft UT.UTES,ETC.IS NOT INTENDED OR IMPLIED, IMPORTED SOIL,CONSISTING OF CLEAN GRANULAR SAND,FREE FROM A f ORGANIC MATTER AND OTHER DELETERIOUS SUBSTANCES.MIXTURES A '4£NT j 3.0 CMR 15.4o5(1)(a)HAS BEEN UTILIZED TO ALLOW FOR THE I S �F-re 1 \\ ag rS ALL PIPING SHALL BE LAID TRUE TO LINE,GRADE AND INSTALLED IN AND LAYERS OF OF SOIL CLASSES SHALL NOT BE USED. THE INSTALLATION OF A SYSTEM LESS THAN 10-FEET TO A PROPERTY LINE. I \ .A AN OFFSET DISTANCE OF 6'IS REQUESTED FROM THE PROPOSED SYSTEM. 7-1r ACCORDANCE WITH MANUFACTURERS RECOMMENDATIONS. SILL SHALL NOT CONTAIN ANY MATERIAL LARGER THAN 2 INCHES.A F y o SIEVE ANALYSIS USING A#4 SIEVE,SHALL BE PERFORMED ON A ,r � 77A (� TO THE RIGHT-OF-WAY FOR TURNPIKE STREET. �'�, I REPRESENTATIVE SAMPLE OF THE FILL.UP TO 45%BY WEIGHT OF THE \ , .-.s "'"d.` THERE ARE NO EXISTING WALLS WITHIN_LQO=OF THE PROPOSED FILL SAMPLE MAY BE RETAINED IN THE#4 SIEVE.SIEVE ANALYSES s Go SEWAGE DISPOSAL SYSTEM. (Sn' OF THE SEPTIC TANK.) SHALL Al SO BE PERFORMED ON THE FRACTION OF FILL SAMPLE '>F PROPOSED '"�`'U�P f 310 CMR 1„4o5(i)(h)HAS BEEN UTILIZED T4 ALLOW FOR 3-FOOT TO I THERE ARE NO EXISTING SEWAGE DISP05AL SYSTEMS WITHIN $T.B.M.RR.SP;XE 7N U.P. qag q -� B '{�OF PASSING THE#4 SIEVE.SUCH ANALYSES MUST DEMONSTRATE THAT ELEVATrO(v=241.96' � \ CCT;SS .r S+`CAPtLE '�IZO� J _ GROUNDWATER SEPARATION. THE EXISTING WELL. THE MATERIAL MEETS EACH OF THE FOLLOWING SPECIFICATIONS: �'T \ qPF ✓ 310 CMR 15.405(i)(i)HAS BEEN UTILIZED TO ALLOW FOR A SEVE r %THAT MUST q / ALL KNOWN WELLS WITHIN 2Q0'OF THE PROPOSED PRIMARY AND�J[/ ANALYSS IN LIEU OF A STANDARD TITLE 5 PERCOLATION TEST. SIEVE SIZE EFFEC71'vE PARTICLE SIZE PASS SIEVE Al \� � � _- / � i EXPANSION LEAC':H AREAS ARE SHOWN. sD \ 5�,. 4 4.75 MM i00% 0-THE DESIGN ENGNEER SHAL BE NOTIFIED PROMPTLY OF ANY PLAN #50 0.30 MM 10%-100% j' / f ADDITIONAL NOTE S• ios.aT' R DEFICIENCIES FOUND DUE TO UNFORESEEN SUBSURFACE CONDITIONS OR #700 0.15 MM 0%-20% OTHER REASONS THAT MIGHT AFFECT THE FUNCTION OF THIS DESIGNED #200 0.075 MM O%-5% \FR W SYSTEM. c Z ,'r j if SEWAGE DISPOSAL SYSTEM DESIGNED AND DRAFTED BY SETH L.LAJO!E. r \ \ 2P U• O�F'"� t j " DEVIATIONS IN 7 SIGN OP,CONSTRUCTION FROM THIS PLAN OR ANY OF OBSERVATION 7"EST A4OLE DATA - j j ANY PORTION OF THE EXISTING SEWAGE DISPOSAL SYSTEM ENCOUNTERED = FE CONDITIONS RELATING TO THE USE OR MAINTENANCE OF THE urr_axo e•snaw nsrnc PERFORMED BY:JOHN D.SULLIVAN,III,SULLIVAN ENGINEERING \1 �• DURING CONSTRUCTION SHALL BE PUMPED OUT,REMOVED,AND THE o PROPOSED SYSTEM SHALL BE DEEMED TO VOID ANY CERTIFICATION OR trtaaaz•'• u '�"' EXCAVATION SHALL BE BACKFILLED WITH CLEAN SAND. I F WETLAND PROTEC11ON ACT(C131 S40) Orr wEwa.) WITNESSED BY:ISSOg 09 W4 AC T, \ f 1 R RES-N`AT'ON:MADE RELATIVE TO THIS SUBSURFACE SEWAGE DISPOSAL PRIOR TO INITIATING ANY ALTERATIONS(REMOVAL OF VEGETATION, l 1 \ 1 SYS EMT THE EXISTING S.G.S.SHALL BE ABANDONED PURSUANT TO TITLE 5. G-0Co' EXCAVATIONS,GRADING,ETC.)WTHIN 100'OF WETLANDS(PONDS, VAR S T.P.-1 ELEV.-240.5 ` BROOKS,SWAMPS.ETC.;OR WTHIN 200'OF AN AREA SUBJECT TO THE c1 ',� - \ 1 I - ( TORN-E STREET I CONTRACTOR SHALL NOTIFY"GIG SAFE"PRIOR TO ANY EXCAVATION. s" f THE CONTRACTOR SHALL VERIFY THE LOCATION AND ELEVATION OF THE "` RIVER'S ACT(PERENNIALLY FLOWING RIVER,BROOK OR STREAM),A We g1 Jr t y 1 888 DIG-3A E.(344-7233) REQUEST FOR DETERMINATION OF APPLICABILITY OR A NOTICE OF INTENT g O"43'" FILL - SEWER PIPE EXITING THE BUILDING PRIOR TO CONSTRUCTION, 43'-48" FINE SANDY LOA, FULL LOT -uUNE;f-11h�Y UNDER THE WETLANDS PROTECTION ACT'310 CMR 10.00)SHOULD-BE ' Ao j \ ONLY. PRIOR O ANY CONSTRUCTION A:;.„�' _F-B SET WTHIN FILED WITH THE TOWN'S CONSERVATION COMMISSION.LOCAL BYLAWS O THE WATER LINE SHOWN HEREON 5 APPROXIMATE LOCATION LY. I - - - `® MAY ALSO APPLY. w 48'-60" B. LOAMY SAND \�F ,- T,g:,_ i ScaL_. tn4 I 5CI-75"G;.HE PROPOSED SEY*'A6�0( AL�SaYST aaaiEc-ca.uEn 50'-120" C LOAMY SAND O �, K A -'n- Jr QT h ALL SEPTIC SYSTEMS WITHIN 750 FEET OF THE PROPOSED SEPTIC ARE \BUF \ / / SHOWN. re MOTTLING OBSERVED @ 56'(ELEV.=235.80) FB eA �o / = s t ,x ` Jr GROUNDWATER OBSERVED 0 92" � AREA IS NOT TRIBUTARY 70 A DRINKING WATER SUPPLY. r �_ Es.H_WT_s5" �QVg �t oCUs �' s SEWAGE DISPOSAL SYSTEM - NO REFUSAL �- -- - -- / � GS� �,-". NO PUBLIC DRINKING WATER SUPPLY WELLS EXIST ON SITE. NOT Tt7_U4-�� � j�4�A O�S'�O��`=��-;r�c t�I FOR:LOT STREtT 6 TURNPIKE F _ s� SA R'S MAP 98D 7 PARCEL21 STREET T.P.-2 ELEV.=240.8 TRW�N.?ttTR9 UEMENr �.. �~ (� PROJECT DOES NOT FALL WITHIN A FLOOD HAZARD AREA t SE�L. r, rasnaaem a TREE Q (' LAJOIE E EVAT =23s.8&� �' Nc`244 TOWN: NORTH ANDOVER,MASSACHUSETTS XFs•smaw warrze ALL PIPING SHALL BE SCH 40 0'42" FILE ` l� z'x z•xooa caAc�s•-,• _ DESIGNED FOR sraTccs,a'ra.0 octy a7 42'46 Ap FINE SANDY LOAM o 1 ccn�arz m cTr+ER � THE BUILDING SEWER SHALL BE LAID ON A COMPACT AND FIRM BASE,IN gc F�G)E 45'-56 @w LOAMY SAND t�on 'ZP� ��- sr•c"nc) �t 46'-120" C LOAMY SAND STANDARD QUICK 4 INF1Ltf[f�TQf?�CHAM�,9FR\ �"..^ A CONTINUOUS GRADE.AND IN ASTIRA!GHT LINE. a�°t xMA, �s � jai\`�' f�� MOHAMMAD YAMIN (AfOvaor-cr<a area S�'cr "3 I - T WETLANDS ORIGINALLY DELINEATED BY JOHN SULLIVAN OF SULLIVAN t �' ><, �", SCALE'1 =20' JANUARY,2Ci23 i MOTTLING OBSERVED 50"(ELEV.=255.50) LEGEND St TF7 .r - G' t GROUNDWATER OBSERVED 98" - ENGINEERING.THE'WETLAND LINE WAS INSPECTED BY SETH L.LAJOIE IN 7 OB 2112Q23-� EWATE.T.-60" I JUG EXISTING CONTOUR APRH OF 2023 AND WAS VERIFIED VIA SITE INSPECTION BY THE TOWN OF NORTH ANDOVER'S CONSERVATION AGENT!N MAY of 2023. 'z r S E T H L. L A J O I E & ASSOCIATES, I N C. N4 REFUSAL i 3G0 PROPOSED CONTOUR PAPPROPRIATE REVISIONS i ®ERCOLATION TEST HOLE IN THE EVENT THAT INFILTRATOR SYSTEM FAILS,:HE MOST REGfSTEREO SANITARIANS,TOPOGRAPHIC SURVEYS Knox THE FILL LAYER(TO APPROXIMATELY 43")SHAL *IJz OBSERVATION TEST HOLE AREA FOR A REPLACEMENT SYSTEM IS TO"DIG UP AND REPLACE"IN THE I 01/17/23-ORIGINAL ENDORSEMENT PERCOLATION TESTING,ENVIRONMENTAL CONSULTANTS BE REMOVED AND THE Bw SUBSOIL LAYER (?m ISAME LOCATION.{ L.YE , { 5 SEWER NE :,;tTQ'"---------------- _I 04/02/23 COOP ADDED,WET LINE REVISED 27 BECKET S`RFET SALEM,MA 01970 STRAW WATTLE DETAIL gpA1I REMAIN FQR SYSTEM CONSTRUCTION TOO' sv a- W WATER LINE 11' I�--'"1 34' �I�I _ THIS PROJECT GOES NOT FALL WITHIN THE WATERSHED PROTECTION 05f31f23-REVISED PER CON.CON.REVIEW CELL:(774)23fl-7029 'I -EDGE OF WETLANDS DISTRICT ASSOCIATED WITH LAKE COCHICHEWCK. zZs^ L �08f27f23-REVISED PER B.O.H.REVIEW i q q JOB NO. q 1 054' SHEET 1 OF ! PLAN N0.L-820