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HomeMy WebLinkAboutSD-469-94" OBSERVATION PORT WITH CAP 4 OZ NON -WOVEN FILTER (PERFORATED BELOW STONE - FABRIC TO ENCLOSE TOP INSTALL A MINIMUM OF TWO (2) AND SIDES OF THE SYSTEM PORTS IN EACH FIELD) CULTEC RECHARGER 330XLHO (52 "Wx8.5'L)(30.5 "H) I ITT' ! I I I I Z- I iI I I `; 111 I I i_.f l I "' ; '_� �1 f -1 I I, I i 1 =1 I( I 11=I I I i i! _i (' I I I 6" SCH 40 „�" f! 8' SCH 40 PVC LATERAL r PVC LATERAL _ O -- FROM 1 " TO 2" DIA. WASHED ROOF DRAINS CRUSHED STONE (DOUBLE WASHED PREFERRED) FOUNDATION %!iiLEA ER SY2TEM -1 PSIS -1) - PLAN �E_W (NOT TO SCALE) 1" TO 2" DiA. DOUBLE WASHED f'RIN34P'n cmuF _ PiPE. MIN. FINISHED CHAMBERS EL. OVER BLOCK TO PROPOSED SUBSURFACE INFILTRATION SYSTEM FROM ( ! I AREA DRAIN Vdf>LHVAHUN YUKI W11H GAY (f'tMt- UKAILU BELOW STONE - INSTALL A MINIMUM OF TWO (2) PORTS IN EACH FIELD) 4" LOAM & SEED 4 OZ. NON -WOVEN FILTER FABRIC TO ENCLOSE BERS= 206.54E 959 COMPACTED FILL TOP AND SIDES OF THE SYSTEM FROM PROPOSED AREA DRAINS 205.54 58" C_C (MINI { -! ; I —I 1; I 1 205.04'_IS: : . : : - -- 6 (MiN) I I (.. l TO PROPOSED -SUBSURFACE ?04.00 i i : (I ! i 30 s , I -(I 1 =1 INFIL TRA77ON SYSTEM I i 1- ?02 IF f I : i '02.00=11::: ::: F 6» -I 12" (MIN) I I I2�I 1 s+�! { 1=1 I (- E] USE 6 CULTEC RECHARGER =(I ( ill (TYR) 330XL HEAVY DUTY CHAMBERS I i `1= I ; L 11 I I I E��IH`�1 i' 00 C I I i= NATURALLY lll�.: PROVIDE MINIMUM 2 FEET SEPARATION OCCURRING SOIL—') BETWEEN 774E BOTTOM OF THE 6 INCH = (DEPTH VARiES) WASHED STONE LAYER AND THE ESDMA7ED SEASONAL HIGH GROUNDW47ER TABLE OR LEDGE. SEC77ON DETAIL NO_7ES, - C -C IS CENTER TO CENTER - PROVIDE 6" MiN. SEPARATION BETWEEN ROWS OF CHAMBERS PROPOSED SUBSURFACE iNFK7RATION IMEM -1 6PSIS -12 - CROSS SEC77ON (NOT TO SCALE) (MIN) NOTE: CONTRACTOR SHALL REMOVE ALL TOPSOIL, — SUBSOIL, FILL MATERIAL AND OTHER IMPERVIOUS LAYERS WITHIN THE F007PRINT (AND TWO (2) FEET BEYOND) OF 774E PROPOSED SUBSURFACE INFIL7RA770N SYSTEM. EXCAVA770M SHALL BE FILLED WITH MATERIAL SPECIFIED iN SEC77ON 15.255 (3) OF THE STATE ENVIRONMENTAL CODE 777LE 5 UP TO THE PROPOSED ELEVA77ON OF THE WASHED STONE. 4" OBSERVATION PORT WITH CAP 4 OZ NON —WOVEN FILTER (PERFORATED BELOW STONE — FABRIC TO ENCLOSE TOP IIR (NOT TO SCALE) 4 INSTALL A MINIMUM OF TWO (2) AND SIDES OF THE SYSTEM O = PORTS IN EACH FIELD) CULTEC RECHARGER 330XLHD (52 'Wx8.5'Lx30. SH) DEED BOOK 55798 PAGE 225 =11 6" SCH 40�\ 6� " lii._JIi I._ " -`� _ .-.: �: � s :. u . i;=1 �; .. .Two ri, n1 — _tl•:. �! 11' III it�II r 1 I !r .. � w � .� x'41 -�. � 11 R T__ r I _II- ., ,�: _.. '7; 8" SCH 40 i. 01//1 1 ATCOAI \ 29.5 (2) PORTS IN EACH FIELD) PVC LATERAL FROM AREA DRAIN 31.5' FROM ROOF DRAINS 1" TO 2 " DiA. WASHED CRUSHED STONE ( 9ffl ED SUB,{ MQE INFILTRATION (DOUBLE WASHED PREFERRED) SYSMW --3 (PSIS -3) - PLAN MEW i FOUNDA7ION - PIPE MIN. T BLOCK OP OED SUBSURFACE INFILTRATION SYSTEM (NOT TO SCALE) I" TO 2" DiA. DOUBLE WASHED , RI M14M CTr7NF _ OUJLKVAIJUN YUKI W11H C.AN (t- LKtUMILU BELOW STONE - INSTALL A MINIMUM OF TWO (2) PORTS iN EACH FIELD) -4" LOAM & SEED 4 OZ NON -WOVEN FiLTER FABRIC TO ENCLOSE 1--959 COMPACTED FILL TOP AND SIDES OF THE SYSTEM - I i FROM PROPOSED (MIN) AREA DRAINS I 6 (MIN).i i 1-1 TO PROPOSED c I! I �� SUBSURFACE 30 5 „ r i l -1 INFiL TRATlON SYSTEM -I ll Ili 'r2' (MIN) - 2''i2ji( !II h1i, fl, Ili li USE 8 CULTEC RECHARGER 330XL HEAVY DUTY CHAMBERS 711!— r �sr 1iI t NATURALLY PROVIDE MINIMUM 2 FEET SEPARATION I { OCCURRING SOIL BETWEEN THE BOTTOM OF THE 6 INCH' - (DEPTH VARi_ WASHED STONE LAYER AND THE ES77MAIED "' —' "— t —' s —' '— ' 1 SEASONAL HIGH GROUNDWATER TABLE OR LEDGE. SECTION DETAIL NOTES,• — C —C IS CENTER TO CENTER — PROVIDE 6" MIN. SEPARA7ON BETWEEN ROWS OF CHAMBERS PROPOSED SUBSURFACE INFILTRATION SY2TEM -,3 (PSIS- - CROSS smum (NOT TO SCALE) (MIN) N07E CON7RACTOR SHALL REMOVE ALL TOPSOIL, SUBSOIL, FiLL MATERIAL AND OTHER IMPERVIOUS LAYERS WITHIN THE F007PRINT (AND TWO (2) FEET BEYOND) OF THE PROPOSED SUBSURFACE INFIL7RA77ON SYS77_M. EXCAVA77ON SHALL BE FILLED WITH MA7ERiAL SPECIFIED iN SECTION 15.255 (3) OF 7HE STA7E ENVRONMENTAL CODE, 777LE 5 UP TO THE PROPOSED ELEVA77ON OF THE WASHED STONE. 4" OBSERVATION PORT WITH CAP 4 OZ, NON -WOVEN FILTER (PERFORATED BELOW STONE - FABRIC TO ENCLOSE TOP INSTALL A MINIMUM OF TWO (2) AND SiDES OF THE SYSTEM PORTS IN EACH FIELD) CULTEC RECHARGER 33OXLHD (52 "Wx8.5'Lx30.5 H`) s" SCH 40 111 {� ' , -! f ' iT 111- I %I% Imo; i ?'; i ?' Lill PVC LATERAL I 8" SCH 40 PVC LATERAL 0 i'.I i IIR (NOT TO SCALE) 4 495 LOWELL STREET O = LEXINGTON, MA 02421 DEED BOOK 55798 PAGE 225 ( (- - r t i i SIT': 1- (t i t :_r•• 777.7177 rI I I 1" TO 2" DIA. DOUBLE WASHED * —=.--, —I I 7�7 29.5' ¢ AT THE MIDDLESEX SOUTH OBSERVA770M REGISTRY OF DEEDS. T, i1' —1 i' ? : , R ;1; =t, I1! =111 1!, =3I1 Il, 29.5 FROM AREA DRAIN 31.5' FROM ROOF DRAINS 1" TO 2 " DiA. WASHED CRUSHED STONE ( 9ffl ED SUB,{ MQE INFILTRATION (DOUBLE WASHED PREFERRED) SYSMW --3 (PSIS -3) - PLAN MEW i FOUNDA7ION - PIPE MIN. T BLOCK OP OED SUBSURFACE INFILTRATION SYSTEM (NOT TO SCALE) I" TO 2" DiA. DOUBLE WASHED , RI M14M CTr7NF _ OUJLKVAIJUN YUKI W11H C.AN (t- LKtUMILU BELOW STONE - INSTALL A MINIMUM OF TWO (2) PORTS iN EACH FIELD) -4" LOAM & SEED 4 OZ NON -WOVEN FiLTER FABRIC TO ENCLOSE 1--959 COMPACTED FILL TOP AND SIDES OF THE SYSTEM - I i FROM PROPOSED (MIN) AREA DRAINS I 6 (MIN).i i 1-1 TO PROPOSED c I! I �� SUBSURFACE 30 5 „ r i l -1 INFiL TRATlON SYSTEM -I ll Ili 'r2' (MIN) - 2''i2ji( !II h1i, fl, Ili li USE 8 CULTEC RECHARGER 330XL HEAVY DUTY CHAMBERS 711!— r �sr 1iI t NATURALLY PROVIDE MINIMUM 2 FEET SEPARATION I { OCCURRING SOIL BETWEEN THE BOTTOM OF THE 6 INCH' - (DEPTH VARi_ WASHED STONE LAYER AND THE ES77MAIED "' —' "— t —' s —' '— ' 1 SEASONAL HIGH GROUNDWATER TABLE OR LEDGE. SECTION DETAIL NOTES,• — C —C IS CENTER TO CENTER — PROVIDE 6" MIN. SEPARA7ON BETWEEN ROWS OF CHAMBERS PROPOSED SUBSURFACE INFILTRATION SY2TEM -,3 (PSIS- - CROSS smum (NOT TO SCALE) (MIN) N07E CON7RACTOR SHALL REMOVE ALL TOPSOIL, SUBSOIL, FiLL MATERIAL AND OTHER IMPERVIOUS LAYERS WITHIN THE F007PRINT (AND TWO (2) FEET BEYOND) OF THE PROPOSED SUBSURFACE INFIL7RA77ON SYS77_M. EXCAVA77ON SHALL BE FILLED WITH MA7ERiAL SPECIFIED iN SECTION 15.255 (3) OF 7HE STA7E ENVRONMENTAL CODE, 777LE 5 UP TO THE PROPOSED ELEVA77ON OF THE WASHED STONE. 4" OBSERVATION PORT WITH CAP 4 OZ, NON -WOVEN FILTER (PERFORATED BELOW STONE - FABRIC TO ENCLOSE TOP INSTALL A MINIMUM OF TWO (2) AND SiDES OF THE SYSTEM PORTS IN EACH FIELD) CULTEC RECHARGER 33OXLHD (52 "Wx8.5'Lx30.5 H`) s" SCH 40 111 {� ' , -! f ' iT 111- I %I% Imo; i ?'; i ?' Lill PVC LATERAL I 8" SCH 40 PVC LATERAL FROM AREA DRAIN APPUGANT• SHELDON CORP. TODD CATALDO 121 MARRETT ROAD 31.5 LEXINGTON, MA 02421 FROM 7 " TO 2" DIA. WASHED ROOF DRAINS CRUSHED STONE PROPOSED SUBSURFACE INFILTRATION RECORD OWNER: (DOUBLE WASHED PREFERRED) 4:Z?'S7EM -9 PSIS- 1 - PLAN VIEW 0 i'.I i IIR (NOT TO SCALE) 4 495 LOWELL STREET LEXINGTON, MA 02421 DEED BOOK 55798 PAGE 225 ( (- - r t i i SIT': 1- (t i t :_r•• 777.7177 rI I I 1" TO 2" DIA. DOUBLE WASHED * —=.--, —I I 7�7 29.5' ¢ FROM AREA DRAIN APPUGANT• SHELDON CORP. TODD CATALDO 121 MARRETT ROAD 31.5 LEXINGTON, MA 02421 FROM 7 " TO 2" DIA. WASHED ROOF DRAINS CRUSHED STONE PROPOSED SUBSURFACE INFILTRATION RECORD OWNER: (DOUBLE WASHED PREFERRED) 4:Z?'S7EM -9 PSIS- 1 - PLAN VIEW k=111 i ! I I ' -I F BOT CHAMBER = 202.53 � HE SYSTEM -111 BOTTOM EL. =202 03 —1 j I '.= 11��IIr�,il 12" (MIN), USE 8 CULTEC RECHARGER (rYP) ti =i'•' �' i- 1 I =r I t Ill_• I I 330XL HEAVY DUTY CHAMBERS -' 11 NATURALLY PROVIDE MINIMUM 2 FEET SEPARA710N 1�OCCURRING SOIL i BETWEEN 7HE BOTTOM OF THE 6 INCH (DEPTH VARIES) WASHED STONE LAYER AND THE ES77MATED _.:: —n t SEASONAL HIGH GROUNDWATER TABLE OR LEDGE. SEC77ON DETAIL NOTES, - C -C IS CENTER TO CENTER - PROVIDE 6" MiN. SEPARATION BETWEEN ROWS OF CHAMBERS PRISED SUBSURFACE INFILTRATION SYSTEM -1 {PSIS -1,) - CROSS SECRON (NOT TO SCALE) 4" OBSERVATION PORT WITH CAP 4 OZ NON —WOVEN FILTER (PERFORATED BELOW STONE — FABRIC TO ENCLOSE TOP INSTALL A MINIMUM OF TWO (2) AND SIDES OF THE SYSTEM PORTS IN EACH FIELD) CULTEC RECHARGER 330XLHD { (52 "Wx8.5 Lx30.5'H) Ii.. -. : i , :_i'_:� : :,: •: ! :, ( -iii III -1. __I i._ CII�i S I: III— III =Iii— I!i —'•:1- j I l (I , I i- it f —! ! _i (' 6" SCH 40 �1-� �... ..:u= � .. � ,...,..__. _ �: -_ ... :_1,...�� -r _..,:�.... = .. -._ ._- j i 8" SCH 40 PVC LATERAL i i l� = PVC LATERAL O FROM AREA DRAIN 0 FROM ROOF DRAINS 1" TO 2" DIA. WASHED CRUSHED STONE (DOUBLE WASHED PREFERRED) BUILDING FOUNDATION i / 1 I LEADER 1. BLOCK TO PROPOSED SUBSURFACE INFILTRATION SYSTEM i74';T�? '-My 7y'7�Ie�7.TI #TITflltT TO 1" TO 2" DIA. DOUBLE WASHED CRUSHED STONE OBSERVATION PORT WITH CAP (PERFORATED BELOW STONE - INSTALL A MINIMUM OF TWO (2) PORTS IN EACH FIELD) 4" LOAM & SEED 4 OZ NON -WOVEN FILTER FABRIC TO ENCLOSE 1 OVER CHAMBERS= 2Q5.04f 959 COMPACTED FiLL TOP AND SIDES OF THE SYSTEM .. i N l 8° I�I11 FROM PROPOSED "- ARE DRAINS (MIN) NOTE CONTRACTOR SHALL REMOVE' ALL TOPSOIL, SUBSOIL, FILL MATERIAL AND OTHER IMPERVIOUS LAYERS WITHIN 774£ F007PRINT (AND TWO (2) FEET BEYOND) OF THE PROPOSED SUBSURFACE 1NF7L7RA77ON SYSTEM. EXCAVA77ON SHALL BE FILLED WiTH MATERIAL SPECIFIED iN SEC77ON 15.255 (3) OF THE STATE ENVIRONMENTAL CODE, 777LE 5 UP TO THE PROPOSED ELEVATTON OF THE WASHED STONE. I, S 1L'�� P4Jj _ CLERK OF THE TOWN OF LEXINGTON, MASSACHUSETTS HEREBY CER77FY THAT THE NOTICE OF APPROVAL OF THIS PLAN BY THE LEXINGTON PLANNING BOARD HAS BEEN RECEIVED AND RECORDED AT THE OFFICE AND NO NOTICE OF APPEAL WAS RECEIVED DURING TWENTY DAYS NEXT AFTER SUCH RECEIPT AND RECORDING OF SAID NOTICE. t *" Af t7 Atli TOWN CLERK DATE 3 -�2— DA7E- 8" 495 LOWELL �SYTREET _ A (ASSESSOR'S MAP 61 - LOTS 52 & 51 C_C ,ii; I �, =6 (MIN) ` I I 1! TO PROPOSED SUBSURFACE DEFINITIVE SUBDIVISION Ii! it 11 I INFILTRATION SYSTEM 305 _iii !� SITE DETAILS f i1= Ili 12" (MINI l I &_ $I1 _iii } fIl III USE 8 CUL TEC RECHARGER I I I I i l i l (TYP.) I _! I I 1 I I. 11 i I I i I; i f! I, i I I I 1 12" (MIN) 330XL HEAVY DUTY CHAMBERS iii i 1 ;2 =i -, -:,- l? iii i NOTE CONTRACTOR SHALL REMOVE AL TOPSOIL, NATURALLY 1=1 t (!r SUBSOIL, FIL MATERIAL AND OTHER IMPERVIOUS OCCURRING S01L f I I a i r LAYERS WITHIN THE FOOTPRINT (AND TWO (2) FEET (DEPTH VARIES) f! BEYOND) OF THE PROPOSED SUBSURFACE -' +' -{ r -' �' -: i; -:: r_I 1, i__i ; i._(! _17 iNFIL7RA77ON SYSTEM. EXCAVA770M SHALL BE FILLED PROVIDE MINIMUM 2 FEET SEPARATION W7774 MATERIAL SPECIFIED IN SECTION 15.255 (3) OF BETWEEN THE BOTTOM OF THE 6 INCH 774E STATE ENVIRONMENTAL CODE, Ti7LE 5 UP TO SEC71ON DETAIL WASHED STONE LAYER AND THE ES77MA7ED 7HE PROPOSED ELEV4770N .OF THE WASHED STONE NOTES SEASONAL HIGH GROUNDWATER TABLE OR - C -C IS CENTER TO CENTER LEDGE - PROVIDE 6" MiN. SEPARATION BETWEEN ROWS OF CHAMBERS PROPOSED SUBSURFAGE INFILTRATION SY2TEM -4 (PSIS 4) - 0= SEcum (NOT TO SCALE) REVISIONS DWG. NO. 5554DEF -DET 5D-469 FREDERICK A. W7TTHUS (NOT TO SCALE) 4 495 LOWELL STREET LEXINGTON, MA 02421 DEED BOOK 55798 PAGE 225 BUILDING 1 1" TO 2" DIA. DOUBLE WASHED * *DENOTES DOCUMENTS RECORDED CRUSHED STONE A AT THE MIDDLESEX SOUTH OBSERVA770M REGISTRY OF DEEDS. ROOF R / L LEADER ( (2) PORTS IN EACH FIELD) / S SURCHARGE PIPE. 4 4" LOAM & SEED 4 OZ. NON -WOVEN FILTER FABRIC T TO ENCLOSE MIN. FINISHED 9 959 COMPACTED FILL TOP AND SIDES OF THE SYSTEM CHAMBERS E EL. OVER CHAMBERS = 206.57± rl M FROM PROPOSED BLOCK 1 (� I, V - 8 AREA DRAINS (MIN) _ [ j -I ( ((TOP STONE EL = 205.57 - +I � _ [ � 5 i i 6" (M1N).i l -� TO PROPOSED TO PROPOSED 1 4 00 i 30 5 =SUBSURFACE k=111 i ! I I ' -I F BOT CHAMBER = 202.53 � HE SYSTEM -111 BOTTOM EL. =202 03 —1 j I '.= 11��IIr�,il 12" (MIN), USE 8 CULTEC RECHARGER (rYP) ti =i'•' �' i- 1 I =r I t Ill_• I I 330XL HEAVY DUTY CHAMBERS -' 11 NATURALLY PROVIDE MINIMUM 2 FEET SEPARA710N 1�OCCURRING SOIL i BETWEEN 7HE BOTTOM OF THE 6 INCH (DEPTH VARIES) WASHED STONE LAYER AND THE ES77MATED _.:: —n t SEASONAL HIGH GROUNDWATER TABLE OR LEDGE. SEC77ON DETAIL NOTES, - C -C IS CENTER TO CENTER - PROVIDE 6" MiN. SEPARATION BETWEEN ROWS OF CHAMBERS PRISED SUBSURFACE INFILTRATION SYSTEM -1 {PSIS -1,) - CROSS SECRON (NOT TO SCALE) 4" OBSERVATION PORT WITH CAP 4 OZ NON —WOVEN FILTER (PERFORATED BELOW STONE — FABRIC TO ENCLOSE TOP INSTALL A MINIMUM OF TWO (2) AND SIDES OF THE SYSTEM PORTS IN EACH FIELD) CULTEC RECHARGER 330XLHD { (52 "Wx8.5 Lx30.5'H) Ii.. -. : i , :_i'_:� : :,: •: ! :, ( -iii III -1. __I i._ CII�i S I: III— III =Iii— I!i —'•:1- j I l (I , I i- it f —! ! _i (' 6" SCH 40 �1-� �... ..:u= � .. � ,...,..__. _ �: -_ ... :_1,...�� -r _..,:�.... = .. -._ ._- j i 8" SCH 40 PVC LATERAL i i l� = PVC LATERAL O FROM AREA DRAIN 0 FROM ROOF DRAINS 1" TO 2" DIA. WASHED CRUSHED STONE (DOUBLE WASHED PREFERRED) BUILDING FOUNDATION i / 1 I LEADER 1. BLOCK TO PROPOSED SUBSURFACE INFILTRATION SYSTEM i74';T�? '-My 7y'7�Ie�7.TI #TITflltT TO 1" TO 2" DIA. DOUBLE WASHED CRUSHED STONE OBSERVATION PORT WITH CAP (PERFORATED BELOW STONE - INSTALL A MINIMUM OF TWO (2) PORTS IN EACH FIELD) 4" LOAM & SEED 4 OZ NON -WOVEN FILTER FABRIC TO ENCLOSE 1 OVER CHAMBERS= 2Q5.04f 959 COMPACTED FiLL TOP AND SIDES OF THE SYSTEM .. i N l 8° I�I11 FROM PROPOSED "- ARE DRAINS (MIN) NOTE CONTRACTOR SHALL REMOVE' ALL TOPSOIL, SUBSOIL, FILL MATERIAL AND OTHER IMPERVIOUS LAYERS WITHIN 774£ F007PRINT (AND TWO (2) FEET BEYOND) OF THE PROPOSED SUBSURFACE 1NF7L7RA77ON SYSTEM. EXCAVA77ON SHALL BE FILLED WiTH MATERIAL SPECIFIED iN SEC77ON 15.255 (3) OF THE STATE ENVIRONMENTAL CODE, 777LE 5 UP TO THE PROPOSED ELEVATTON OF THE WASHED STONE. I, S 1L'�� P4Jj _ CLERK OF THE TOWN OF LEXINGTON, MASSACHUSETTS HEREBY CER77FY THAT THE NOTICE OF APPROVAL OF THIS PLAN BY THE LEXINGTON PLANNING BOARD HAS BEEN RECEIVED AND RECORDED AT THE OFFICE AND NO NOTICE OF APPEAL WAS RECEIVED DURING TWENTY DAYS NEXT AFTER SUCH RECEIPT AND RECORDING OF SAID NOTICE. t *" Af t7 Atli TOWN CLERK DATE 3 -�2— DA7E- 8" 495 LOWELL �SYTREET _ A (ASSESSOR'S MAP 61 - LOTS 52 & 51 C_C ,ii; I �, =6 (MIN) ` I I 1! TO PROPOSED SUBSURFACE DEFINITIVE SUBDIVISION Ii! it 11 I INFILTRATION SYSTEM 305 _iii !� SITE DETAILS f i1= Ili 12" (MINI l I &_ $I1 _iii } fIl III USE 8 CUL TEC RECHARGER I I I I i l i l (TYP.) I _! I I 1 I I. 11 i I I i I; i f! I, i I I I 1 12" (MIN) 330XL HEAVY DUTY CHAMBERS iii i 1 ;2 =i -, -:,- l? iii i NOTE CONTRACTOR SHALL REMOVE AL TOPSOIL, NATURALLY 1=1 t (!r SUBSOIL, FIL MATERIAL AND OTHER IMPERVIOUS OCCURRING S01L f I I a i r LAYERS WITHIN THE FOOTPRINT (AND TWO (2) FEET (DEPTH VARIES) f! BEYOND) OF THE PROPOSED SUBSURFACE -' +' -{ r -' �' -: i; -:: r_I 1, i__i ; i._(! _17 iNFIL7RA77ON SYSTEM. EXCAVA770M SHALL BE FILLED PROVIDE MINIMUM 2 FEET SEPARATION W7774 MATERIAL SPECIFIED IN SECTION 15.255 (3) OF BETWEEN THE BOTTOM OF THE 6 INCH 774E STATE ENVIRONMENTAL CODE, Ti7LE 5 UP TO SEC71ON DETAIL WASHED STONE LAYER AND THE ES77MA7ED 7HE PROPOSED ELEV4770N .OF THE WASHED STONE NOTES SEASONAL HIGH GROUNDWATER TABLE OR - C -C IS CENTER TO CENTER LEDGE - PROVIDE 6" MiN. SEPARATION BETWEEN ROWS OF CHAMBERS PROPOSED SUBSURFAGE INFILTRATION SY2TEM -4 (PSIS 4) - 0= SEcum (NOT TO SCALE) REVISIONS DWG. NO. 5554DEF -DET 5D-469