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HomeMy WebLinkAbout3620_DukeEnergy_Allen_SSLF_GWInfo_FID1636958_20220114(> DUKE ENEnNr1**%1%.7. January 14, 2022 North Carolina Department of Environmental Quality Division of Waste Management Solid Waste Section 1646 Mail Service Center Raleigh, North Carolina 28778 Attn: Mr. Edward Mussler, PE (submitted electronically) 526 South Church Street: Mail Code EC13K Charlotte, North Carolina 28202 704-382-7171 Re: Response to Item. No. 1 — NCDEQ Letter dated 12/15/2021 — Vertical Separation and Hold of PTC at South Starter Landfill Allen South Starter Landfill (SSLF) Permit No.: 3620-INDUS Allen Steam Station Gaston County, North Carolina Dear Mr. Mussler, As requested in item number (1.) of your letter dated December 15, 2021 with subject Vertical Separation and Hold of PTC at South Starter Landfill, Duke Energy Carolinas (Duke Energy) is submitting, within 30 days of receipt of respective letter, the attached groundwater information for the South Starter Landfill (SSLF) (Permit No. 3620-INDUS) at the Allen Steam Station in Gaston County, North Carolina. The attached two drawings depict Duke Energy's most recent site -wide water level measurement event (November 29, 2021) shallow groundwater elevation surface and the adjusted long-term seasonal high groundwater elevation surface modeled using the previously approved methodology in 2020 for both the SSLF and the leachate basin. The requested groundwater contour sets are shown over the proposed compacted soil liner elevations for both the SSLF and the leachate basin. The attached four Excel files supply the raw data for the November 29, 2021 groundwater elevation surface and the modeled long-term seasonal high groundwater elevation surface. The last three of the four Excel files as listed below under attachments to this letter are specific to the modeled groundwater surface and include: 1) precipitation data shown in plots; 2) estimated water levels from the model, the statistically derived long-term seasonal high groundwater elevations, model residuals, and calculated normalized distribution values for the residuals; and 3) water level data that was entered into the R code developed by Kara Marsac to do the statistical calculations and to develop the hydrographs shown in the technical memorandum previously provided as Appendix VI of the Geological and Hydrogeological Report for the Allen CCR Closure Landfills (3619-, 3620-, and 3621-INDUS). If you need additional information, do not hesitate to email or call me at Courtney.Murphy(b)-duke- energy.com or (704) 382-7171. Respectfully, ? dw�w-ffkol Courtney W. Murphy, P.G. Environmental Services www.duke-energy.com Page 1 of 2 Attachments (6): Drawings (2): Groundwater Overlay — SSLF Compacted Soil Liner Subgrade (AECOM, 2022) Groundwater Overaly — Leachate Basin Compacted Soil Liner Subgrade (AECOM, 2022) Excel Files(4): 2021 Q4 ALN Shal GW Data Pts.xlsx Allen_precip input.xlsx ALN RechargeResid NormDist.xlsx LTSH InputData—ALN cc (via e-mail): Jordan Russ, NCDEQ Sarah Moutos, NCDEQ Sherri Stanley, NCDEQ Claire Osborn, NCDEQ Ed Sullivan, Duke Energy Kimberlee Witt, Duke Energy Tyler Hardin, Duke Energy Ryan Czop, Duke Energy Henry Duperier, Duke Energy Steve Pulley, Duke Energy www.duke-energy.com Page 2 of 2 1 REV. 0 / , - / -,� -\ -\ ♦ - I" �'I 111 I'I I II I I'I , vvI% 1I_j /' - / 11 / / _ \ I I ,' `\ \ \ \ \ `\ I II I 111 'III I \ / I I IIII I I I I II r \ / / / \ '// AB-22S I I I III I I I r \ I I I I�'11 1 1 \ \ \ \ �\ \ \ \ / ,�J \ \ 1 I III \ \ \ ,./ / . / \ r �\ \ � � I I I I I I I I I I I I I I I I I- \' I I I \f ' / / / / \\ 1 \ � \ \\ \\ \\ \\ ` ---- Ij II IIII I IjI �I II I II � I I1 \ I' . \ \\\\ \// // ��/ �� / / / / / / ------ / \ 1 \ l \ \ \ \ \ \ \ \ - II IIII IIIII IIIIII II�1 II 1111 I I I I I I I I1 n \I I \ /' \\\ \\\ / \ // /-/ ,/' / ' / // I ' ,/' / ---- _ - --�/ I \\ \\ \ \\ I\ \ \ \\\ \ \ \ `\ \��---- III I I� I11 IIIIII 1 I 1 I 1 I� I I I I I I j l I III II I III I IIIIII \ 11 ♦`\I 10\ \\\ \ J I 1 \ \1 11 11 AB-1 OBRL // // / '�------- _ \ \ \\ \\ \\ \\ .\ IIIII I IIIIII I11 I I 1 I \11 I . / / // / / 1 \ - \ \ \ \ \ ^, I I I I I I I 11 I I III \ 1rq \ \ / / I / / / __ / I \ - --\ ` \ ------ III II Rlllllll IIII ICI II I I I IIII�IIII \ P \ I 1 1 111 \ \ \ \ I\ �\ \\ \ \\ \\ - _-AB-22 I 1111 I it /' ' / \ ,' ' �/ --------_------- \ \ \ '----- I III I l I I I I I I IIII 1111111 \ . /' I \ \\11 , / / I I I I IIII \\ \\ \ \ \ / / / / / / / / ��� ��------------------ --� �' \ \ \ \ /-- �_ \\ \ \ \ - I I II I I II I I II III 1 III \ N. `\ - I , \ 1 \\\, \ \ / - \\ \ \ \ I IIII 1 I � I �___ r / / / -' -'/ 1 /' / // / / , /' - /-- / / \ 1 / \\\ \ \ - \`_---\ Ijll jl I 111j 1 II III I II 1111 I I\\ \ / y 1 / / / 1 \\ \ --__- � - I II II II I I I I 1 ,�' // L/' / �''� , / / / / / /' - i �'' _-'------------------ /' \ I 1 I /_\ �\ \\\\ \ \- - 1 1111I11111 Illlll I III II I I 1 IIII I I I I l IIIII I \ 1\ \ \ -----' ' / - ' '� / // /''-------- _ _ ,7 ( \ \ -----' I 1 II III IIIII IIIII I II IIII 11 111 II \L ` \ ---- - / ` AB-10BR / / / / / / / / / /� / / /' ---' _ ___ \� ' 1 \\\\\ `` \\ \ \ \ - '� \ III j II I 1 I I 1 I I I1 111 IIII I I I I \ ` _ / / / / / __ \ \\\\ \ 1 I II I II �' , / 1 / / / �� -"i / / /'� 1 \ \ \\ `\ �� \\ - _ I I I1 I IIII I Ili I I / , , I / / / / / / �/ /' _ _�''�'� -\�� `� \ I \ \ ` \ -- 1^ 1 \ I I II III 1 II II I I I I III I I 1� 11 1 \ \ ` ' \ --- / I/ / - \ \ \ \ \ \ \ \ ---- ` \ I Illlll II1111II III1j 1 III IIIII I I I IIII IIII 1111111 \\ \ l I \ / �- ,/ 1' , -�� ,/ , / / �/ i �/' /' //' \ ��\ \ \ \ \ \ __-\ I I I \ / 111 j I I IIII 111 I1111 I I 1 I I I I I I I I j 1 I 1 I I I I `♦ ` _ �� \ — / \ \\ \ I II 111 I I 1 I 1 II \ -1 /-' / / / // , / ,' / Y/ /// /' // �/' -�'� --- _� -\- -\,/ , �\\ --- �\ III I I \ 1111j1 IIII j1111j1 IIII 11 11111 �I I 1 II IIII IIII IIIIII \ I \ -- AB -10S / - _ II I I I I I I I I _ -' /- /. / 1 ,/ // 7 / ,, /' -_/ _/ �� - II II III II ~Illlll Illll II I I I III II 11 IrI I 1 -- \I I �- \ \_ 1 ,\ \ II I I \ I I I I III I I I III 11 11 1 I \ _/ / / I /i /- ___� " // / j/ // -// --'/ � �/ \\ ---- I 1 \ --\ IIIII I I l 11111 1111 IIII IIIIII 1 � 1 l l i l l l I1 1 IIIII 11 l I I 11 I IIII 11 `�\ '// �s __1 �,__ _-I / / / ,/iI / / _ _' _� / _ l \ /1 1 /' I1111 I AB-22BR I I1111111 I III I I I I 1 IIII 1 I / / I I I 11 111 ly I I I I I I I I -- / //' / �/' /_- �/ / - -'� // �/ /' /'//' -'' /'' --\\\ J/\ \ /'� '/ I111I I I I I1111 111I I I I l l l l l 111 11 1 I1 11 -% I III I I I j I j I I I I 1 \ ---- - / / 1 1 1 III I I 11 I II I , / _ II IIII 1_ 11( 1 1 / I _ _ _ --- 'i/ / /'' �/ / / �/ /-\ 1 II I I I I I11 I 1 I I 1 1 < 1 111 I 11 \ / - , . , . .'' / N. , 11 I II IIII I I I% \ / _ _ _---- ! 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' �/� /�/`J I\� r // / / I / K / I 11I\\ 11I I / / l I / / //1 /-' -'� ( / / 1 1/ / / / I \ \ - // / I/ /I / // / // / / f to 1 591.20 , , „ / / / / J 1\\ \ I I / / / / I O \ - _/ , / 1 I to lO ,X_-�/ /r/ /, \ / / / / / / / / 07 -i. //� / / // / _ \ \ / / / / I /Ill �'_ - -'' // / % /' / I I �� / 2.0/0 / `\O O /i'--�f�G�O, i' �' l/I�_ `-. \\ 1 / / / / / / / / l - 1// I I 1 o h /-GWA-2S =-__-- // I \ \\ _ -/ 1 I // / I I 1 -- - ----- 1 1 ,/ \ 1 / / / co C°� �� / ' / /� �' / / / //�� _ _ -'� \ \\`\ \\` 1`\/ I / / / / / /�/ /l IIII \-�L----� J //'!� /'I ll I I / O / �O h / /' /� /� I _ ' \~ ,__,:,\\\` \\\`----/ \l ' I / j / j % /� l 10 , \ 600, / / \ / / ' CCR-22S o / I / / 'I�_ ^l I II \ \ \ \ \ \ / / /I/I %l N.\\\\\ \\ \ / % // / 00 GWA-1 /- '/ I \ __-:[--',1 _ \, \ \ 1 ` "N\\ \\\\ /' // ; / / i /I \ \ \ / CC� 22DA o / % / / /--_�\ \ \\\\\I 11 'I�` `�\ \ N \\�`_1 / //.��//j*/ N LOW ----620---- 620 _ \ \ \\ // / o � / '—.--- - --\ \ \\ t \ \ \ \ V _-' / / \ , \ \ \ \\ 11 1 1 \ \ \\ I I /0, CURRENT LAYER SHOWN / r_ \ \ 1 \ \ /' / \ - _ \ \ \\ / I \` i ,� /� V- / / / ' / / / / li�___t- III \\ \\ i \ \ 1,\ \\\ \ //�, -/ / / 1 , \ \ \1 \ , "I II��__ _II I I I I ► 1 1 1 I \�\_11\ i . - __ / \\\ \,CCR-23 - �%% / / / 1 '�---- \ 1 I I I Ili, i I �t -- / / // `\ / / I J /I\ I \ �\ \ % I j 1\ I I 1 i l 1 I p / // // CCR-23S I / d- \ WA-1 BR / Lo / x` � / - 1 I 1\ \\ \` 11 i\\\\ / i/', _ � / / // _ \ 11 / I / /,1 j c9 \ 1 / .0 /o / c= __- i '\1, \\\\''''-'7 4 \ \ )NI_ I 1675 // I, / / `_� \ \��- — _ \ / /�// —J \\ \` 1 630 10 I I i i i < <� — - 60 \ \\ 620 �111 -_ \ I / IIII \\ /tea It � . k \ I / / LAKE WYLIE/ I. I \ \ _ � - _'__\ .\\\\\� \ \\\ I I CATAWBA - /'_-__ \ \ \ 1 I 1 ► __ 1111 - , ` / /, _ -_ \ \ \ II RIVER \ \ � ► \ \ \ 1 \ `\\ \\ \\ -III_ '%/j-- , `-- _ --I / /I 1 \\��\ \ \\ \ \\ , NORMAL W.S.E. ��\ `-� \ \\ \\ \, I \ ` \� \ `\\ `\��� � \ '� - -1I I' � I I I --- � / ---,� �� \`\ \\� \ 6. / - / // / /� /j I 1 \ - \ \ \ \ \ \ \ \\ \ \ \ , \ `\ \\\ \ `\\ �'\ \ \\\ . \ - _ __ 'I L==---- I� _ — //'7 `\ , - - - I /� / I I \ \ \ \ GUARD RAIL (TYP) \\ \ \ \ \ �\ \ \ \ \\ \ �\ - \\ \ \. _ — `_ 7 L = , . �� �, \\ ` / I \ \ - . \, ` ` _ . \ \ , , 568.7 FT. \ \ \ \ _ / I / \ \ / \ \ \ 11 — \ \ \\\ \ ``\ \ v- \� — ^ \- --__ - - %/1 BERM AND \\ `--- PERIMETER -____,,\ __ _ \\ \\ \ / \ \ \\\\ \ �`_ __ �\ �� \ \`\ ` \/,% \ `\\\\\ /-`\ _ \ _ - \ \ \ ,,----- \ \ \ \ \`\ , \\\� \\\\\\\ \ \\\\\ \ __ __ - /" __ _ ___; STORMWATER DITCH 1\ \\- / ROA 1 \ \ \\ ,j \\ \\\ \ I \ I / / /1 /// / \ \ \ \ �� \/�- \ \ \ \ \,- \ \\ \ \\ 1\---- / `-- —_ --_ \ I ,/ \\\` ` _ \ \\— / \ \ \ \ \ p \ \ I j � / Q ^O \ \ \ \\ \\_/i / \ /--_ \ I / \ \\ \ \\\ \\� - /------'/�, ��� \ - ` \ \\\\ �`\ j l / ) �_- ��� \\ _/' // �� �� `\ \\ \\ �\ 1 I I Clj/ / 4-j / l \ `.,ram \ \ ` \ \ \ \ \ \\\\ \\ \\ \\\ \ \\�-- \ `-�� \ ���` �� `�� `_��__\ \ ` `\ `//` ` ` \\\" ` \` is \\\ �� — — — / _ sO� - \ N. J N. \ �/ /� ' \� i \ \ \ I I / / / I._ \ \ \\\\`\\`\\ \ _ \�/ / /� -\ ` `\ \ \ \ \N.♦ \ / / 1 --- / \ \ \ \ \ 1 III // 66 ��_�- . .\.�. \. \. . \ \ 1 l \ \ \� i / , ✓�- \.\ \ \11,� i / ` \ \� \ \. 1 III 1 1 1 / . I i) ,, u. ------- 620 -------- LEGEND DUKE ENERGY PROPERTY BOUNDARY LANDFILL LIMITS OF WASTE EXISTING MAJOR CONTOUR (10 FT) EXISTING MINOR CONTOUR (2 FT) PROPOSED MAJOR CONTOURS (10 FT) PROPOSED MINOR CONTOUR (2 FT) HISTORIC BOTTOM OF ASH MAJOR CONTOURS (10 FT) HISTORIC BOTTOM OF ASH MINOR CONTOUR (2 FT) 620 — EXISTING GROUNDWATER ELEVATION (NOVEMBER 29, 2021) 620 — ADJUSTED LONG TERM SEASONAL HIGH POST -EXCAVATION GROUNDWATER ELEVATION (SEE NOTE 3) GUARD RAIL X —X —X - X — X — X - [7-:F—� ++++++++++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + 100-YR 0. 0 AIl1TCC` FENCE EXISTING ROAD EXISTING TREELINE EXISTING FENCE EXISTING WETLANDS DELINEATED STREAM 100 YR FLOOD LINE PERIMETER ROAD GROUNDWATER MONITORING WELL 1. THIS PLAN REPRESENTS SOIL FILL PLACED AFTER THE AREA OF THE ASH BASIN NEEDED FOR CLOSURE OF THIS LANDFILL IS CLOSED BY EXCAVATION IN ACCORDANCE WITH A CLOSURE PLAN APPROVED BY NCDEQ. AREAS OF THE ASH BASIN THAT REQUIRE SOIL FILL FOR THIS LANDFILL CONSTRUCTION SHALL BE DEEMED CLOSED BY EXCAVATION PRIOR TO PLACEMENT OF FILL. 2. GRADES SHOWN WITHIN THE LOW REFLECT THE BASE OF COMPACTED SOIL LINER WHICH IS COMPRISED OF TOP OF NATIVE SOIL AND/OR REQUIRED SOIL FILL. 3. INCLUDES A FACTOR OF SAFETY OF 2.5 FEET ADDED TO THE ESTIMATED LONG TERM SEASONAL HIGH GROUNDWATER ELEVATION DEVELOPED AND MODELED BY SYNTERRA (2020) USING APPROVED METHODOLOGY AS DESCRIBED IN APPENDIX VI OF THE GEOLOGICAL AND HYDROGEOLOGICAL REPORT - ALLEN STEAM STATION - CCR CLOSURE LANDFILL UNITS (3619-, 3620- AND 3621-INDUS) - REVISION 0 (AECOM, 2020). LANDFILL LINER SYSTEM NOT TO SCALE 0 100 200 3C GRAPHIC SCALE (IN FEET) TITLE A=COM N.C. ENGINEERING LICENSE NO. I FOR F-0342 3" CCR OPERATIONAL BUFFER V MIN. PROTECTIVE COVER LAYER 'S GEOCOMPOSITE DRAINAGE LAYER )-MIL HDPE PRIMARY GEOMEMBRANE LDS GEOCOMPOSITE DRAINAGE LAYER &MIL HDPE SECONDARY GEOMEMBRANE GEOSYNTHETIC CLAY LINER ?" COMPACTED SOIL LINER, •_ < 1.0 X 10-5 cm/s O ATURAL SOIL OR SOIL FILL 1 REV 1 DATE 1 APPD 1 DESCRIPTION GROUNDWATER OVERLAY -SSLF COMPACTED SOIL LINER SUBGRADE SSLF (3620-INDUS) ALLEN STEAM STATION GASTON COUNTY, NORTH CAROLINA ISSUED FOR REVIEW SEAL SCALE: AS SHOWN j DUNCE DWG TYPE:. DWG �� JOB N0: 60603204 E RGY® C DATE: 1-14-22 FILENAME: GW OVERLAY 022 - SSLF COMPACTED SOIL LINER SUBGRADE GRADING DWG SIZE I DRAWING NO. ANSI D 22.0"x34.0" 1 DES : AG DFTR : AG CHKD: JDM ENGR: JDM /���D: JDM REVISION U INCHES 1 2 3 TENTHS 10 20 30 4 1 6 1 17 8 1 1 1 1 REV. 0 \ 0 w 0 0 \ w \ \ \ \ \ LLI \ L`I ` w `' \ \ O O -0 w 1\ \ \ w 0 \ \0 0 \\ I II I 0Lij \ 0 0 II I O 4LLI LLI 0 O I I I Ik 0 \I ! III II w 0 II I II 0 \ OLLJ l i II II 0 I I I \I I I � W II I I I I I LLJ I �II 0 ` 0 I I ICI \ 0 I I I II II I II w I II 0 LEACHATE BASIN I 0 I,l II I � II 1,, i I I I O Ld 0 I III 0 ��II III � W \ 0 i ii1 III w 0 0 \ O i III li < w i f III o \ ,'• ; I � i 11 � w w O O \ J II o \ ��� LB PZ-I i I II w W 6'� O 1 0 O ii it I < I 0 ` III II < W O\ IlOil I I I < CIO) 0 Np HA IL 0 ROAN I II 0 O II- (` I w I I O i' I I w Ld 0 II 0 II / ----— — — — — — — — — — — — — — — — --------------- -------------------- ' ' -- 1-0'-6 r'LEAC ATE BASIN 3-0- ' / PUMP Ste, ---------- � TION--------- ' f -625- / � 10' x 6' LEACHATE _------- -------------- / �640 ' BASIN LDS SIDESLOPE RISER ACCESS PAD - o / 'x, LEACHATE BASIN SUMP \ _-----------640 / ' EL.634.94' I ` / I I I \ }4> 2�� ;r I \ I .5:1 I i ' N o Cv 1 co 0 ' /0 ' CO ---- _-------- -------------- co �. N I \ ' 6 \ N ----625---- -------- 625-------- ------------------ 625 CURRENT LAYER SHOWN OE 625 625 — KinTCC LEGEND EXISTING MAJOR CONTOUR (10 FOOT) EXISTING MINOR CONTOUR (2 FOOT) HISTORIC MAJOR CONTOUR (10 FOOT) HISTORIC MINOR CONTOUR (2 FOOT) PROPOSED MAJOR CONTOUR (10 FOOT) PROPOSED MINOR CONTOUR (2 FOOT) DUKE ENERGY PROPERTY BOUNDARY APPROXIMATE ASH BASIN WASTE BOUNDARY BRUSH AND TREE LINE EXISTING OVERHEAD TRANSMISSION LINES ADJUSTED LONG-TERM SEASONAL HIGH GROUNDWATER (SEE NOTE 3) EXISTING GROUNDWATER ELEVATION (NOVEMBER 29, 2021) GUARDRAIL GROUNDWATER MONITORING WELL WATER LEVEL MONITORING PIEZOMETER 1. BOTTOM OF LEACHATE BASIN ELEVATIONS HAVE BEEN SET TO MAINTAIN A MINIMUM VERTICAL SEPARATION OF 1 FOOT FROM MARCH 2O21 GROUNDWATER ELEVATIONS. 2. GRADES SHOWN OUTSIDE THE LIMITS OF THE EXISTING ASH BASINS ARE EXISTING GRADES. GRADES SHOWN INSIDE THE LIMITS OF THE EXISTING ASH BASINS ARE HISTORICAL BOTTOM OF ASH GRADES. 3. INCLUDES A FACTOR OF SAFETY OF 2.5 FEET ADDED TO THE ESTIMATED LONG TERM SEASONAL HIGH GROUNDWATER ELEVATION DEVELOPED AND MODELED BY SYNTERRA (2020) USING APPROVED METHODOLOGY AS DESCRIBED IN APPENDIX VI OF THE GEOLOGICAL AND HYDROGEOLOGICAL REPORT - ALLEN STEAM STATION - CCR CLOSURE LANDFILL UNITS (3619-, 3620- AND 3621-INDUS) - REVISION 0 (AECOM, 2020). 6" CAST -IN -PLACE CONCRETE 4 4 4 4 / CUSHION GEOTEXTILE 60-MIL HDPE ________________________________ ��PRIMARY GEOMEMBRANE GEONET LEAK DETECTION SYSTEM IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII TYPICAL LEACHATE BASIN CROSS-SECTION ON BASE NOT TO SCALE - 60-MIL HDPE SECONDARY GEOMEMBRANE - GEOSYNTHETIC CLAY LINER 12" COMPACTED SOIL LINER NATURAL SOIL OR STRUCTURAL FILL (COMPACTED EMBANKMENT) UO I I AI:C:t55 KAIVIF II I 0 I I 0 II I I \ REV DATE APPD DESCRIPTION w I \ \ 0 50 100 150 w 0 0 GRAPHIC SCALE (IN FEET) { \ \ 1 ,l, I i \ ` vo TITLE 0 �I ► I \ PERIMETER 1\ `, -' GROUNDWATER OVERLAY - LEACHATE . BERM 0 0 II \ EL.647.75' `\j ,,-' = BASIN COMPACTED SOIL LINER SUBGRADE Ln II I I o \� �\ I I , \ I I � NSLF(3619-INDUS) AND SSLF(3620-INDUS) ALLEN STEAM STATION II _ GASTON COUNTY, NORTH CAROLINA I r _ N.C. ENGINEERING LICENSE NO. FOR w 0 / I - '' ISSUED FOR REVIEW O I �' ?�.' ` ,' F-0342 SEAL O II � I I \ �` � � � � � ' �' ''�''''- DUKE SCALE: AS SHOWN DES: AMC r , �'\ w II I I -NNW ` DWG TYPE:. DWG DFTR: AMC _ JOB N0: 60603204 CHKD: JDM 0 O I I I \ `� 'r '' '' '' ' - ENERGY® 'DATE: t-1422 - ENGR : JDM I \ I ` �I / �', FILENAME: GW OVERLAY 034 - LEACHATE POND BASE OF SOIL LINER GRADING PLANAFOD: JDM 0 / I I \ ' DWG SIZE DRAWING NO. REVISION w W I I ' --' / O I i i r r / r i i/ / / ANSI D —� / w / 22.0"x34.0" _L I o 0 INCHES 1 2 3 TENTHS 10 20 30 1