The URL can be used to link to this page

Home My WebLink AboutWPO201400007 Plan - Stormwater 2015-02-260 ¢ 0 w M M M 0 J Q� 3 i- H O U O U O U Cn / H Z O U w J m Li Li M J ¢ J_ U 0 a N O 0 M U N > M J � �co o _ N v, O / U O o a� 0 N O, r7 U � N W LCD -wQ a Q:: N X iH RIVANNA WATER &SEWER AUTHORITY CHARLOTTESVILLE, VIRGINIA VAt4N A WATER & SEWER AUTHORITY" APPROVED by the Albemarle County Community Development Department Date File SCOTTSVILLE WATER TREATMENT PLANT - GAC SHEET INDEX C1 OVERALL SITE PLAN C50 EXISTING CONDITIONS PLAN AND DEMOLITION PLAN C51 EROSION CONTROL PLAN C52 SITE AND DRAINAGE PLAN C53 STORMWATER PROFILES AND SAND FILTER PLAN D1 SITE DETAILS D2 SITE DETAILS PROPOSED SITE MODIFICATIONS 1. CONSTRUCTION OF A NEW GAC FACILITY 2. ROADWAY IMPROVEMENTS 3. STORMWATER IMPROVEMENTS UPGRADES WPO EROSION CONTROL /STORMWATER BIVIP PLAN DECEMBER 2014 SCOTTSVILLE WTP VICINITY MAP o�1p,LTH OF �� MZEN AND SAWYER Environmental Engineers &Scientists c40 11 WestChase Boulevard, Suite 500 Raleigh, North Carolina 27607 QJO) c No.045376 WNC License C -0381 2`'zo`A z, �" SIONAL �� ISSUED FOR BID CD Lj M O O CD CD ry I LO �2 > C"j CO ff) b n q Ln 4- 21 uf- CD L, Ln w0 o � < X � TAX MAP 130-15131 ALEXANDRIA S. WARD & ROBERTA F. WARD DB 3902-693 ik 3 12/14 ISSUED FOR BID DSB 2 12/14 STATE RESUBMITTAL DSB 1 08/14 FINAL DESIGN DSB EV DATE ISSUED FOR BY x TAX MAP 136-27B ALBEMARLE COUNTY SERVICE AUTHORITY DB 440-305, PG. 311, PLAT 100 YR FLOODPLAIN, ZONE A (NO BASE FLOOD ELEVATIONS DETERMINED) \62C TAX MAP 130-15B ALEXANDRIA S. WARD & ROBERTA F. WARD DB 1899-728 V TAX MAP 130-15B SAMUEL G. SPANGLER III DB 1589-383 N T C vv" Ij fly I \v% A', v, SCOTTSVILLE WATER TREATMENT PLANT l } 1tk'' 'ys t' �{� � ,,...._. sit ; 4 3. � 1, g� i < ,� 's"` -:`' = -- �r�� + - .,,,,,-„_ _= µ f'"" ,,,,� � J,r }` 77' A vo N�' TAX MAP 136-27A ALBEMARLE COUNTY SERVICE AUTHORITY DB 440-311, PLAT Iff DESIGNED BTE DRAWN BTE CHECKED Wt PROJ.ENGR. DSB APPROVED TAX MAP 136-36 MONTIE C. DUNCAN DB 1527-137, DB 553-579, PLAT PROPERTY LINE NLTH 070 HAZENMD SAWYER Environmental Engineers & Scientists Lic No 045376 4011 WestChase Boulevard, Suiite 500 Z 'q Raleigh, North Carolina 27607 &ONA L . NC License C-0381 OVERALL SITE PLAN 1 11 = 40' RIVANNA WATER AND SEWER AUTHORITY CHARLOTTESVILLE, VIRGINIA WATER TREATMENT PLANT GAC UPGRADES NOTES: OWNER: RIVANNA WATER & SEWER AUTHORITY PROPERTY: 4.39 ACRES PROPERTY INFO: DB 440-305, PG 311, PLAT TAX MAP 1 36-27B DB 440-311, PLAT TAX MAP 136-27A ZONING: RURAL AREAS COUNTY: ALBEMARLE STATE: VIRGINIA ENGINEER: HAZEN AND SAWYER, PC 4011 WESTCHASE BLVD. SUITE 500 RALEIGH, NC 27540 DRAPER ADEN ASSOCIATES 700 HARRIS STREET, SUITE E CHARLOTTESVILLE, VA 22902 (434)295-0700 DATUM: HORIZ:NAD-83 VIRGINIA SOUTH ZONE, VERT: NAVD-88 100 YEAR FLOODPLAIN ELEVATION: ZONE A (NO BASE FLOOD ELEVATIONS DETERMINED) REFERENCE: FEMA MAP # 51003CO520D DATED: FEBRUARY 4, 2005 SOIL TYPE LEGEND 62C NASON SILT LOAM 43C KILINEVILLE CHANNERY SILT LOAM 6 BERMUDIAN SILT LOAM SITE LEGEND 6" CONCRETE CURB x PROPOSED SIDEWALK I PROPOSED CONTOUR FLARED END SECTION 11110 PROPOSED CATCH BASIN 0 PROPOSED TREE LINE 40 20 0 40' 1°= 40' -0° =1 ==1111 ISSUED FOR BID SCOTTSVILLE WTP SITE WORK OVERALL SITE PLAN DATE DECEMBER 2014 THE SCALE BAR SHOWN BELOW H & S JOB MEASURES ONE NUMBER 32135-011 INCH LONG ON THE ORIGINAL CONTRACT DRAWING DRAWING. NUMBER NUMBER 1 1 C1 FLAT FILE V) 0 0 w M M M 0 J 0 U J m X / Un o� > o� ,w M _j V) ry Lo Q M O N J 0 0 n M � N N � ° w � Ln w (D o Q �< r it Ft ,t t 1 t t 3 t LEGEND BENCHMARK 'LIMITS OF DISTURBANCE TREE PROTECTION FENCE TP EXISTING ASHPALT TO BE RESTORED PER DETAIL 0251000 CLEARING AND GRUBBING 3 12/14 ISSUED FOR BID 2 12/14 STATE RESUBMITTAL 1 08/14 FINAL DESIGN EV I DATE ISSUED FOR PROP 'RTY LINE _ -� ✓ . " w« h r % ` It 3 " N r } t_ _ „„NN „w • BENCH MARK '' ,�, ; ; 1 i tf•$ I ~ ! r� CHISELED SQUA F t A l � 1 � � �� ELEV. 396.11 It GENERAT R r d t it 1 1 t 'I, 't BACKWASH t l / '' }`��tt 1• ', '} + LAGOON `s 4', STORAGE BUILDING TO I BE RELOCATED t' t '` ` w ° ? `' • °, ,i t OFFSITE, SEE NOTE 4 } !} } ' ' "� L •'s 1g }} r - ' ,„ / 3 F f ` t S l ; .,..w.�^"� S x...i",✓^'' w•«-' S` A BENCHMARK CHISELED j € j (j l 'i }�., '� ' ``. . `, ` ��q` f ' I[•.,'' '``� ` � j`�` ` ' - _ -_ _,,,..N�N . __ SQUARE' I t ' ,, r'^ ► ` - -it�' ;”, "� W TP BUILDING ELEV. 381.31 �€ � S.�'yl'�1 t, i 4 1i `',i \ ' `44`'•, ' ±, � " °� ....,.,_�.,,' -,° - - - ,- '- ...,.,,«.., .,... -.- t 5� •� ,.� it {t � F {} � }i i� •N"„,",,,•"”' �• ai �✓�'-"" "� s tt�tt N, «.. �t �3E (j( �' ;� �jt1, ;'. ` '' 3' i t S 1 -- _, _ .� ,«, '""" w � "� � i � y`� t '� i f,,, } {�• t I ; «;�_ __ - __ "--« 1 j( { 4 t '\ i , , \ ` \, `Si 5 { 1{ -'- __ ,• _ ", "_ """ « t�' I �t � 1 is �f t'' t' ` t tJ• k � `�< �„E �,,,,-- „.__. _,... ✓,.„ }t Ei { �€ ` 4 i. `s*`� i� � t11 y;fj`1 � Uf � � µ,�rv., «. v '_” "Y .«„ t C i � � �,(� i � ''v1 1 t v tt� �s kilt �� i � `--- � �`} - � w____, •Jx��.J" "'.,' €_ , '� i l i `�, j � � ' � i i l� Ott, , �. / � � ` ` •� `� �'� .w :�'� �" W � _�� tt t t t f\ BACKWASH LAGOON t t ((7 S iti yjj � s ,i tt.✓' •,r 4} i t ifJk \ `4,, 4 _� \�,.,,,,.,..*,�".� �,,, i � +. t•, � � �l� �� i i �s'� ±f4 'N' �r � �_� tit � � _ ..- '_",°„�� l � 1 .�;.5.. «.,. «,«'�.'" .,., '�, �' ` �A • �, ,`�'. ( f f � 4 } { ,'€' €, t d � k i t � 3 • I3t ' 1 1 yt "„^' ! -� J�, -„"-`_ �, k ..,`" '' � '` t� �, „..--- "�' ",�� ' , t5i t }€r'3t % I} _€ t} �' i � � �j C?�F tt 1' � ^_`^'� ,".,.'"' - "��'�""„.,,- ' " ",„," '3^'% � -'�W - - �,`'� ~�`>,� �i,,��'w�+�1 •y�C,�, ' "*.� � _'- ..S _ " t "tt t ,— .,.... -'--' «."" r•^"'"',^ _ /// \ '\ E .} \ , •J t� js,� f'S • _ «. - '�"�.,","" "';� - Up �`' 11'• ` u — i �. N " ._ t3', : � t �,�., "�, ,s '�•` -�- ' ;� / - •'�. ', ',: '{ � "' ",,r�,f- �,�-'' rte' ' ,c�-,r . � �,," ,�~'`,r."""'"�"ry „I.t � r' ,,/ , r,, �� ' EXISTING RIPRAP f CHANNEL o t f ' O� �ALTH 0.170 ANTOWASSO o Lic. No. 045376 PROPERTY LINE S NOTES: 1 1. SURVEY PROVIDED BY DRAPER ADEN ASSOCIATES. ADDRESS: DRAPER ADEN ASSOCIATES t 700 HARRIS STREET, SUITE E t, CHARLOTTESVILLE, VA 22903 (434) 295 -0700 } €j• ° ° i DATUM: HORZ: NAD -83 La;'} £F VERT: NAVQ - 88 2. CONTRACTOR SHALL PHASE DEMOLITION OF EXISTING PAVEMENT TO PREVENT SOIL EROSION PROVIDE DUST CONTROL AND ALLOW FOR EXISTING CONDITIONS AND DEMOLITION PLAN 1" =20' MZENffiD SAWYER Environmental Engineers & Scientists 4011 WestChase Boulevard, Suite 500 Raleigh, North Carolina 27607 NC License C -0381 ACONSTRUCTION ACCESS. SURFACE COURSE SHALL NOT BE APPLIED . „ -- , _'.�` UNTIL CONSTRUCTION IS SUBSTANTIALLY COMPLETE. EXISTING � � � ASPHALT TO BE RESTORED COMPLETELY PER DETAIL 0251000. :i 3. CONTRACTOR SHALL PROVIDE TEMPORARY FENCING AROUND PROJECT 1t}- �L,' }, ; t AREA FOR SITE SECURITY THROUGHOUT THE DURATION OF THE 4 , t t PROJECT. TEMPORARY FENCING SHALL TIE INTO EXISTING FENCING TO PROVIDE A CONSTANT BARRIER. 4. CONTRACTOR TO COORDINATE WITH RIVANNA WATER AND SEWER �''i; ` AUTHORITY ABOUT THE RELOCATION OF THE EXISTING STORAGE ' t BUILDING TO AN OFFSITE LOCATION. \x ��,.,/ `" ,""' ,,,.o''~ , _4 __ (`•J . -tip \ �� t >tt \1 �_ t O /' ✓",,»/ f .t__ ., � �' � /" t sty t S 3 JJ t X /% S it 4 if1 O t DEMOLISH SECTION OF t y t EXISTING FENCING, t .; SEE NOTE 3 it __,BENCHMARK CHISELED SQUARE ELEV. 388.58 EXISTING ENTRANCE'. , r° ----'-GATE TO REMAIN LIMITS OF EXISTING ASPHALT TO ° -- t BE RESTORED, SEE NOTE 2 1 DEMOLISH SECTION OF / EXISTING FENCING, I SEE NOTE 3 ` TREE PROTECTION I FENCE, TYP �� r J 0227033R -" ~' �� r � � .««„^�� 1�;�� ,,,��° `• '< +` _ AREA TO BE CLEARED ' t AND GRUBBED ► ; l LIMITS OF DISTURBANCE, TYP` RIVANNA WATER AND SEWER AUTHORITY CHARLOTTESVILLE, VIRGINIA WATER TREATMENT PLANT GAC UPGRADES 20 110 0 20' 111= 20' -0" ISSUED FOR BID SCOTTSVILLE WTP CIVIL EXISTING CONDITIONS AND DEMOLITION PLAN DATE DECEMBER 2014 THE SCALE BAR SHOWN BELOW H & S JOB MEASURES ONE NUMBER 32135 -011 INCH LONG ON THE ORIGINAL CONTRACT I DRAWING DRAWING. NUMBER I NUMBER 1 1 C50 FLAT FILE DESIGNED DRAWN CHECKED PROJ.ENGR. BTE BTE Ltd DSB DSB DSB DSB BY APPROVED PROP 'RTY LINE _ -� ✓ . " w« h r % ` It 3 " N r } t_ _ „„NN „w • BENCH MARK '' ,�, ; ; 1 i tf•$ I ~ ! r� CHISELED SQUA F t A l � 1 � � �� ELEV. 396.11 It GENERAT R r d t it 1 1 t 'I, 't BACKWASH t l / '' }`��tt 1• ', '} + LAGOON `s 4', STORAGE BUILDING TO I BE RELOCATED t' t '` ` w ° ? `' • °, ,i t OFFSITE, SEE NOTE 4 } !} } ' ' "� L •'s 1g }} r - ' ,„ / 3 F f ` t S l ; .,..w.�^"� S x...i",✓^'' w•«-' S` A BENCHMARK CHISELED j € j (j l 'i }�., '� ' ``. . `, ` ��q` f ' I[•.,'' '``� ` � j`�` ` ' - _ -_ _,,,..N�N . __ SQUARE' I t ' ,, r'^ ► ` - -it�' ;”, "� W TP BUILDING ELEV. 381.31 �€ � S.�'yl'�1 t, i 4 1i `',i \ ' `44`'•, ' ±, � " °� ....,.,_�.,,' -,° - - - ,- '- ...,.,,«.., .,... -.- t 5� •� ,.� it {t � F {} � }i i� •N"„,",,,•"”' �• ai �✓�'-"" "� s tt�tt N, «.. �t �3E (j( �' ;� �jt1, ;'. ` '' 3' i t S 1 -- _, _ .� ,«, '""" w � "� � i � y`� t '� i f,,, } {�• t I ; «;�_ __ - __ "--« 1 j( { 4 t '\ i , , \ ` \, `Si 5 { 1{ -'- __ ,• _ ", "_ """ « t�' I �t � 1 is �f t'' t' ` t tJ• k � `�< �„E �,,,,-- „.__. _,... ✓,.„ }t Ei { �€ ` 4 i. `s*`� i� � t11 y;fj`1 � Uf � � µ,�rv., «. v '_” "Y .«„ t C i � � �,(� i � ''v1 1 t v tt� �s kilt �� i � `--- � �`} - � w____, •Jx��.J" "'.,' €_ , '� i l i `�, j � � ' � i i l� Ott, , �. / � � ` ` •� `� �'� .w :�'� �" W � _�� tt t t t f\ BACKWASH LAGOON t t ((7 S iti yjj � s ,i tt.✓' •,r 4} i t ifJk \ `4,, 4 _� \�,.,,,,.,..*,�".� �,,, i � +. t•, � � �l� �� i i �s'� ±f4 'N' �r � �_� tit � � _ ..- '_",°„�� l � 1 .�;.5.. «.,. «,«'�.'" .,., '�, �' ` �A • �, ,`�'. ( f f � 4 } { ,'€' €, t d � k i t � 3 • I3t ' 1 1 yt "„^' ! -� J�, -„"-`_ �, k ..,`" '' � '` t� �, „..--- "�' ",�� ' , t5i t }€r'3t % I} _€ t} �' i � � �j C?�F tt 1' � ^_`^'� ,".,.'"' - "��'�""„.,,- ' " ",„," '3^'% � -'�W - - �,`'� ~�`>,� �i,,��'w�+�1 •y�C,�, ' "*.� � _'- ..S _ " t "tt t ,— .,.... -'--' «."" r•^"'"',^ _ /// \ '\ E .} \ , •J t� js,� f'S • _ «. - '�"�.,","" "';� - Up �`' 11'• ` u — i �. N " ._ t3', : � t �,�., "�, ,s '�•` -�- ' ;� / - •'�. ', ',: '{ � "' ",,r�,f- �,�-'' rte' ' ,c�-,r . � �,," ,�~'`,r."""'"�"ry „I.t � r' ,,/ , r,, �� ' EXISTING RIPRAP f CHANNEL o t f ' O� �ALTH 0.170 ANTOWASSO o Lic. No. 045376 PROPERTY LINE S NOTES: 1 1. SURVEY PROVIDED BY DRAPER ADEN ASSOCIATES. ADDRESS: DRAPER ADEN ASSOCIATES t 700 HARRIS STREET, SUITE E t, CHARLOTTESVILLE, VA 22903 (434) 295 -0700 } €j• ° ° i DATUM: HORZ: NAD -83 La;'} £F VERT: NAVQ - 88 2. CONTRACTOR SHALL PHASE DEMOLITION OF EXISTING PAVEMENT TO PREVENT SOIL EROSION PROVIDE DUST CONTROL AND ALLOW FOR EXISTING CONDITIONS AND DEMOLITION PLAN 1" =20' MZENffiD SAWYER Environmental Engineers & Scientists 4011 WestChase Boulevard, Suite 500 Raleigh, North Carolina 27607 NC License C -0381 ACONSTRUCTION ACCESS. SURFACE COURSE SHALL NOT BE APPLIED . „ -- , _'.�` UNTIL CONSTRUCTION IS SUBSTANTIALLY COMPLETE. EXISTING � � � ASPHALT TO BE RESTORED COMPLETELY PER DETAIL 0251000. :i 3. CONTRACTOR SHALL PROVIDE TEMPORARY FENCING AROUND PROJECT 1t}- �L,' }, ; t AREA FOR SITE SECURITY THROUGHOUT THE DURATION OF THE 4 , t t PROJECT. TEMPORARY FENCING SHALL TIE INTO EXISTING FENCING TO PROVIDE A CONSTANT BARRIER. 4. CONTRACTOR TO COORDINATE WITH RIVANNA WATER AND SEWER �''i; ` AUTHORITY ABOUT THE RELOCATION OF THE EXISTING STORAGE ' t BUILDING TO AN OFFSITE LOCATION. \x ��,.,/ `" ,""' ,,,.o''~ , _4 __ (`•J . -tip \ �� t >tt \1 �_ t O /' ✓",,»/ f .t__ ., � �' � /" t sty t S 3 JJ t X /% S it 4 if1 O t DEMOLISH SECTION OF t y t EXISTING FENCING, t .; SEE NOTE 3 it __,BENCHMARK CHISELED SQUARE ELEV. 388.58 EXISTING ENTRANCE'. , r° ----'-GATE TO REMAIN LIMITS OF EXISTING ASPHALT TO ° -- t BE RESTORED, SEE NOTE 2 1 DEMOLISH SECTION OF / EXISTING FENCING, I SEE NOTE 3 ` TREE PROTECTION I FENCE, TYP �� r J 0227033R -" ~' �� r � � .««„^�� 1�;�� ,,,��° `• '< +` _ AREA TO BE CLEARED ' t AND GRUBBED ► ; l LIMITS OF DISTURBANCE, TYP` RIVANNA WATER AND SEWER AUTHORITY CHARLOTTESVILLE, VIRGINIA WATER TREATMENT PLANT GAC UPGRADES 20 110 0 20' 111= 20' -0" ISSUED FOR BID SCOTTSVILLE WTP CIVIL EXISTING CONDITIONS AND DEMOLITION PLAN DATE DECEMBER 2014 THE SCALE BAR SHOWN BELOW H & S JOB MEASURES ONE NUMBER 32135 -011 INCH LONG ON THE ORIGINAL CONTRACT I DRAWING DRAWING. NUMBER I NUMBER 1 1 C50 FLAT FILE V) 0 Q w m M i M V) i V o> J (n 0� w i> �0. o� o� 2 __j Cf) Q o N J 0 0 M N N M cv f) w wQ o� N X N f ✓ { f1 i rF, s "a 3 f ,.�'^" " f ✓''" ^".,.,'"�r �''"' �,,, "� ",.�'� ;�j ,"""'j ",/ �I •,� T ,�� j jjff )jjJJ tfr € {(Tff /r "� �N,<'.J _„✓ �., : � , � ,....n"fF „e.r' �M~ - - �- - ^ , J , f .i ff1 f (/� µ ,,�..- f'` j � �, 3 "�' s'✓-;�✓ 1 _yr'"`f...,�.• W"rr�' •,..W� _ ....,_ ^ .. F�� I "' r l pp� `e � :E � "� '� � �'r""� � ..,,_ . "'..`...'m •"'r ° y t t ` €' � - '� , f jfjj "' • � j � � � �f ✓�f �tsl �' 1 t t � � � i s i t ,/ 1 � l )3 � } '� C � � y � f � � � � £ � yi i � { }j � £ � r {JJ/",/ ✓ "..'w, -• f - ' ,r ' � '� � �i BACKWASH } ''� ,�� '. i € � ' , ✓ , � 11 ; LAGOON SF 1 1 �q]t, t1 f l \ %•, .,� '��h yl St j, .< , ~/' j'f ' >j ) `J '� � , 'ft �? E•�� .t f' � • ,,,,, -"'-' � - "'-' ,>,,. -^`"� % �'x 't � f �If 7 I�t c N. \ x�l ` s``�„` f ',,' _ _ < _, / / /_.. w_,„�, ",,,..._ ` i i £} ,• ;� ' i t l �,t 1 't BACKWASH) s ` LAGOON s��~ l PROPOSED SAND , FILTER, SEE C53 ' . 17, SILT FENCE, TYP " 02.27000 PERMANENT SLOPE MATTING, TYP i w ~, t � • `, x t} lax , tt `"� ti , ~'_ ,,,,- ^ „"' ,,,..<"'"",..",,,""'✓"Y;�„"" � _ � . � ;fit , �,.0 .s.. , � 1 � t `•, w _ ,. ~". ,. „'-- .,..;.; -s;��, _ , ��; /' E '�,� w ` ' °' ' '� _ -- -" PROPOSED RIP RAP LEGEND �. ' `" ' ; " _ '-CHANNEL, CLASS I ' ^ _ ' �` ;;. It LIMITS OF DISTURBANCE, ' , '_ - ry_ SILT FENCE TREE PROTECTION FENCE X X <�',`, `,; , '- = "'.: - -,;:,, �,,, r °. , - ,,�,- %� ;��,+,r .� �,., ''' ,' , "" •�" r ROCK CHECK - ROCK CHECK DAM CD4 ` �,; f ' r r / 'ter rte/ DAM, TYP O ✓ EXISTING RIPRAP ` ++ CHANNEL r / INLET PROTECTION IP ® + PERMANENT CHANNEL LINNING r TEMPORARY SEEDING TSB fj� %'� ,Z 02?701f4 + ROLLED EROSION CONTROL MATTING CONSTRUCTION ENTRANCE PERMANENT CHANNEL LINING G CE J 3 12/14 ISSUED FOR BID 2 12/14 STATE RESUBMITTAL 1 08/14 FINAL DESIGN EV I DATE ISSUED FOR DESIGNED BTE DRAWN BTE CHECKED L DSB PROJ.ENGR. DSB DSB DSB APPROVED r 1 PROPERTY LINE �ALTH OF Lic. No 045376 Sl ANAL � PROPERTY LINE f /j -) 1 % ,t NOTES: 1x1 1. THE ALBEMARLE INSPECTIONS DEPARTMENT MUST BE NOTIFIED ONE WEEK PRIOR TO ~ tt THE PRE - CONSTRUCTION CONFERENCE, ONE WEEK PRIOR TO THE COMMENCEMENT OF LAND DISTURBING ACTIVITIES, AND ONE WEEK PRIOR TO THE FINAL INSPECTION. t t 2. ALL EROSION AND SEDIMENT CONTROL MEASURES WILL BE CONSTRUCTED AND ,,+ t MAINTAINED ACCORDING TO MINIMUM STANDARDS AND SPECIFICATIONS OF THE VIRGINIA EROSION AND SEDIMENT CONTROL HANDBOOK AND VIRGINIA REGULATIONS VR 625 -02 -00 EROSION AND SEDIMENT CONTROL REGULATIONS. 3. ALL EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE PLACED PRIOR TO OR AS THE FIRST STEP IN CLEARING. 4. A COPY OF THE APPROVED EROSION AND SEDIMENT CONTROL PLAN SHALL BE MAINTAINED ON THE SITE AT ALL TIMES. ✓// ., 5. PRIOR TO COMMENCING LAND DISTURBING ACTIVITIES IN AREAS OTHER THAN INDICATED ON THESE PLANS (INCLUDING, BUT NOT LIMITED TO, OFF -SITE BORROW OR WASTE AREAS), THE CONTRACTOR SHALL SUBMIT A SUPPLEMENTARY EROSION CONTROL PLAN TO THE OWNER FOR REVIEW AND APPROVAL BY THE ALBEMARLE COUNTY INSPECTIONS DEPARTMENT. 6. THE CONTRACTOR IS RESPONSIBLE FOR INSTALLATION OF ANY ADDITIONAL EROSION CONTROL MEASURES NECESSARY TO PREVENT EROSION AND SEDIMENTATION AS DETERMINED BY THE COUNTY INSPECTOR. 7. ALL DISTURBED AREAS ARE TO DRAIN TO APPROVED SEDIMENT CONTROL MEASURE G�A n� AT ALL TIMES DURING LAND DISTURBING ACTIVITIES AND DURING SITE DEVELOPMENT J / `c0 ,✓' Nµ� ; �� 4 ;st 9 UNTIL FINAL STABILIZATION IS ACHIEVED. 8. DURING DEWATERING OPERATIONS WATER WILL BE PUMPED INTO AN APPROVED FILTERING DEVICE. �'Il2CJ /r % //� ,/ NW.r"'- ,•.�, •`^ �` \ '.�'. t1 1: t .'� +;� i4 �� / ' 9. THE CONTRACTOR SHALL INSPECT ALL EROSION CONTROL MEASURES PERIODICALLY �}l\ 11' AND AFTER EACH RUNOFF - PRODUCING RAINFALL EVENT. ANY NECESSARY REPAIRS OR CLEANUP TO MAINTAIN THE EFFECTIVENESS OF THE EROSION CONTROL DEVICES 3- •� i; z 5. '` ,' �� SHALL BE MADE IMMEDIATELY. v� '• bit 3 �4 f �' -_ • � , 10. ALL FILL MATERIAL TO BE TAKEN FROM AN APPROVED DESIGNATED BORROW AREA. "� ✓ ,l + + , 11. ALL WASTE MATERIAL SHALL BE TAKEN TO AN APPROVED WASTE AREA. EARTH FILL SHALL BE INERT MATERIALS ONLY, FREE OF ROOTS, STUMPS, WOOD, RUBBISH, AND OTHER DEBRIS. TS ' WS .`+ 't+� 12. BORROW OR WASTE AREAS ARE TO BE RECLAIMED WITHIN 7 DAYS OF COMPLETION R ZONING ORDINANCE SECTION 5.1.28. ''� PE Z N N r3 , + �, + , ,,• �,�'. t ' �4 13. ALL INERT MATERIAL SHALL BE TRANSPORTED IN COMPLIANCE WITH SECTION 13 -301 C-ONTR- ACTOR- ,�' 1 � ' � OF THE CODE OF ALBEMARLE. S OCKPIfL /LAYDOIMN 14. BORROW, FILL OR WASTE ACTIVITIES INVOLVING INDUSTRIAL -TYPE POWER EQUIPMENT +1 AREA `` SHALL BE LIMITED TO THE HOUR OF 7:00am TO 9:00pm. I ` + -{- - 15. BORROW, FILL OR WASTE ACTIVITY SHALL BE CONDUCTED IN A SAFE MANNER THAT INLET PROTECTION TYP + + + �� MAINTAINS LATERAL SUPPORT, IN ORDER TO MINIMIZE ANY HAZARD TO PERSONS, _ 0-, . PHYSICAL DAMAGE TO ADJACENT LAND AND IMPROVEMENTS AND DAMAGE TO ANY +. ^/ t •�,,' -r" �'� ``' SF ---� PUBLIC STREET BECAUSE OF SLIDES, SINKING, OR COLLAPSE. + + j+ + �� OVERHEAD ELECTRIC'S LINE, SEE NOTE 23 A 16. THE DEVELOPER SHALL RESERVE THE RIGHT TO INSTALL, MAINTAIN, REMOVE OR _~ ROLLED EROSION + -- %~ }�,' CONVERT TO PERMANENT STORMWATER MANAGEMENT FACILITIES WHERE APPLICABLE D2 " CONTROL MATTING (RECM) /" , } -^ `r' ALL EROSION CONTROL MEASURES REQUIRED BY THIS PLAN REGARDLESS OF THE SALE OF ANY LOT, UNIT, BUILDING OR OTHER PORTION OF THE PROPERTY. 17. TEMPORARY STABILIZATION SHALL BE TEMPORARY SEEDING AND MULCHING. SEEDING £ / ^.....µ ..r r' ,f_ r ,zayjf ti j{•Gi: `f'f"'3C5 • {;S"'• Jx� �- CE s -""` " "- ^' = \ '`•- ~'£ } f� IS TO BE AT 751b /acres AND IN THE MONTHS OF SEPTEMBER TO FEBRUARY TO u / 50 OF ANNUAL RYEGRASS AND CEREAL WINTER RYE, OR IN MARCH CONSIST OF 50 �," AN APRIL 0 CONSIST OF ANNUAL RYE, OR MAY THROUGH AUGUST TO CONSIST ' r ST UC 0 •N RANGE � + ��N R .TL N � T , OF GERMAN MILLET. STRAW MULCH IS TO BE APPLIED TO 801bs/100sf. + - '"TYP. SEE NOTE 24 _ ALTERNATIVES ARE SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL - 02577 01 �� z ` INSPECTOR. 18. PERMANENT STABILIZATION SHALL BE LIME AND FERTILIZER PERMANENT SEEDING +, PROPOSED FENCE AND MULCH. AGRICULTURAL GRADE LIMESTONE SHALL BE APPLIED AT 90lbs /1000sf, 0244400 1 INCORPORATED INTO THE TOP 4 -6 INCHES OF SOIL. FERTILIZER SHALL BE APPLIED S AT AT 10001bs /acres AND CONSIST OF A 10 -20 -10 NUTRIENT MIX. PERMANENT ° / ;t LIMITSrOF DISTURBANCE' TYP SEEDING SHALL BE APPLIED AT 180lbs /acres AND CONSIST OF 95% KENTUCKY 31 OR TALL FESCUE AND 0 -5% PERENNIAL RYEGRASS OR KENTUCKY BLUEGRASS. STRAW MULCH IS TO BE APPLIED AT 801b /100sf. ALTERNATIVES ARE SUBJECT TO 0 F`PC14 5p P TP ;s r''" - APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. 19. MAINTENANCE: ALL MEASURES ARE TO BE INSPECTED WEEKLY AND AFTER EACH J\ �� J RAINFALL. ANY DAMAGE OR CLOGGING TO STRUCTURAL MEASURES IS TO BE REPAIRED IMMEDIATELY. SILT TRAPS ARE TO BE CLEANED WHEN 50% OF THE WET STORAGE VOLUME IS FILLED WITH SEDIMENT. ALL SEEDED AREAS ARE TO BE PROTECTION FENCE, TYP I1 RESEEDED WHEN NECESSARY TO ACHIEVE A GOOD STAND OF GRASS. SILT FENCE AND DIVERSION DYKES WHICH ARE COLLECTING SEDIMENT TO HALF THEIR HEIGHT 0227033R MUST BE CLEANED AND REPAIRED IMMEDIATELY. `, 1 20. ALL TEMPORARY EROSION AND SEDIMENT CONTROL MEASURES ARE TO BE REMOVED PROPOSED TREE LINE " \ WITHIN 30 DAYS OF FINAL SITE STABILIZATION, WHEN MEASURES ARE NO LONGER \ NEEDED, SUBJECT TO APPROVAL BY THE COUNTY EROSION CONTROL INSPECTOR. 21. THIS PLAN SHALL BE VOID IF THE OWNER DOES NOT OBTAIN A PERMIT WITHIN 1 SLOPE YEAR OF THE DATE OF APPROVAL. WATER PROTECTION ORDINANCE SECTION CM) , �� 17- 204G.) f �•, 22. PERMANENT VEGETATION SHALL BE INSTALLED ON ALL DENUDED AREAS WITHIN NINE (9) MONTHS AFTER THE DATE OF LAND DISTURBING ACTIVITY COMMENCED (WATER J PROTECTION ORDINANCE SECTION 17 -207B) EROSION CONTROL PLAN 1 " =20' ffiZEN AND SAWYER Environmental Engineers & Scientists 4011 WestChase Boulevard, Suite 500 Raleigh, North Carolina 27607 NC License C -0381 23, CONTRACTOR SHALL BE AWARE THAT OVERHEAD ELECTRIC LINES CROSS THE ENTRANCE TO THE SITE. PROVIDE FLAGGING OR MARKING IN THE AREA TO PROTECT PERSONNEL AND EQUIPMENT FROM CONTACT WITH ELECTRICAL LINES. TOTAL DISTURBED AREA = 0.75 AC 24. CONSTRUCTION ENTRANCE IS GRAVEL PER DETAIL 0257701. IF COUNTY INSPECTOR DEEMS GRAVEL UNSATISFACTORY, PROVIDE PAVED CONSTRUCTION ENTRANCE AS PER 20 10 O 20' DETAIL 0257701R. 1!'= 20' -0!' ISSUED FOR BID RIVANNA WATER AND SEWER AUTHORITY CHARLOTTESVILLE, VIRGINIA WATER TREATMENT PLANT GAC UPGRADES SCOTTSVILLE WTP CIVIL EROSION CONTROL PLAN DATE DECEMBER 2014 THE SCALE BAR SHOWN BELOW H & S JOB MEASURES ONE NUMBER 32135 -011 INCH LONG ON THE ORIGINAL CONTRACT DRAWING DRAWING. NUMBER NUMBER 1 1 C51 FLAT FILE 0 Q LLj w m >, 0- rn C)> V) LO am �X I N a' U p o� oV) I V) L I 2 _j� Ln I o M Ln i 0 0 i N N � o ° �L- (D 'wQ E Q:�� N >< — s r , * j \ i' ; siqi 4iI GENERAT R — � � i j `•� ,3 ; ; � � i 3 � 'i i ); `k3 � 1 4 � i i i `� ; k I , BACKWASH PAVEME t =l l NT LAGOON JUNCTION TYP itt "C _, t r v I r` 0251 01� ✓' t� ; S 1 t ( ' t 's i `S t m., ,^" °,w,w„r' i .gI rp { #j/ #j( {jj �1/ 3.,,,w.✓„"" ",."^• -"-" >> MH A RIM = 381.00 INV IN = 370.47 i INV OUT = 367.80 jj 3 1 BACKWASH LAGOON PROPOSED . ,.. - t t SAND FILTER w kA 777j77� {, {iJi,;'( 1 1'._ , ;1 F { t ,,..,✓'"'f "w� " ✓ "� °w" I Vl ;t 4 'i i ,w;- "...'i" r.�., "" N�,. „w✓-"" " , r �� PROPOSED \ NOTES: 1. RETAINING WALL SHALL BE BUILT TO MEET SPECIFICATIONS OF t t� SECTION 506 OF THE VIRGINIA DEPARTMENT OF TRANSPORTATION (VDOT) ROAD AND BRIDGE SPECIFICATION (2002). t 2. GUARDRAIL SHALL BE BUILT TO MEET SPECIFICATIONS OF SECTION 221 OF THE VDOT ROAD AND BRIDGE SPECIFICATION (2002). tttlll S � 4 `+t 3. LIMITS OF EXISTING ASPHALT PAVEMENT TO BE RESTORED AS PART OF ALTERNATE BID # 1. l✓ 1, f 3 � i w t S, - - -F` t -- si. 4. ALL BURIED ITEMS DOWNSLOPE FROM THE PROPOSED GAC FACILITY SHALL BE INSTALLED PRIOR TO CONSTRUCTION OF THE BUILDING •�' SUBFOUNDATION WITHOUT EXCEPTION. 4 „✓ . ",-"'" tE \ �``, \fit',, ��yis �,r r'j - _ t .t /" j` / ,/',�✓." �/ l,� J mom,. -^, .� � � � t ty�4i5 `i� � l i, � " •', t t `t EXISTING ASPHALT TO t r t V BE RESTORED x0251000 ALTERNATE BID 1, SEE NOTE 3 t { PROPOSED FENC F \� f` ' 0244400 WTP BUILDING CURB AND GUTTER, TYPE_ 0242060, �CB 1 GRATE = 382.50 1 "�. j tte I` • INV OUT = 375.53 / �� - - " t� ' "t /f it °f x,024 STORMWATER 1 MANHOLE NETWORK SEE - _ PROPOSED GAG F P 50 {; SHEET C53° w sr s� �tti 3a , I PROPERTY \ . 't `� �, r`,t i :;15 FES 1 ° °` _ RETAINING WALL .k `' n`t ; \`` `' _` INV = 360.00 SEE SHEET S5654 PROPOSED RIPRAP GUARD RAIL, , � JjJX CHANNEL, CLASS I. SEE NOTE 2 APPROX 25` X 6{ ~ \ ` ) �- `` \'�., />^ ;� � ',,r' }(i ' ,t - . - __ -' _. - _ •_ ,,, " _., ,P . % "•,% � s -'r, •— r, fir /f!•` OOH � j , � � Cri `Y ` / ✓\�✓' t '\` � � %t PROPOSED ASPHALT 0251000 :'�:�' S;_ �� ,- r ' ,• , � " ., i ,,,' ,,,,.''' ,'' .. - `'/ _ _ /� '',•�� - r/ � ✓,i ` I ' -� /f' `i`` „µ' �°', vw. -”- ,�'`'�f/ /,/ /' / / //f,,r'�" � ,, ^ y-^ rr✓ ,,,, -" ��,,.� _✓' /,,.1 -•�: ' = - - - -' -` /'`� ✓f � ,. PROPOSED EXISTING RIPRAP �/ f �` / VAULT RIPRAP o , CHANNEL z I / SLOPE: 1 V: 5H PERMANENT CHANNEL LINING 177 ALTERNATE BID 1 DESIGNED BTE DRAWN BTE CHECKED PROJ.ENGR. DSB 3 12/14 ISSUED FOR BID DSB 2 12/14 STATE RESUBMITTAL DSB 1 08/14 FINAL DESIGN DSB REV DATE ISSUED FOR BY DESIGNED BTE DRAWN BTE CHECKED PROJ.ENGR. DSB APPROVED o� �NLTH " tr SANTOWASSO Lic No.045376 r; l�NAL yo Y I � E }a t /o SITE AND DRAINAGE PLAN ffiZEN AND SAWYER Environmental Engineers & Scientists 4011 WestChase Boulevard, Suite 500 Raleigh, North Carolina 27607 NC License C -0381 1 " = 20' ,i r I �A-' "`r f PROPOSED ASPHALT ^'t, ' ' PAVEMENT, TYP A, 0251000 } PROPO'$ED FENCE 1 0244400 PERMANENT SWALE D 'TREE LINE4''� '_'\ .1 " t t l 20 10 10 20' 1 "= 20' -0" RIVANNA WATER AND SEWER AUTHORITY CHARLOTTESVILLE, VIRGINIA WATER TREATMENT PLANT GAC UPGRADES SCOTTSV I LLE WTP CIVIL SITE AND DRAINAGE PLAN ISSUED FOR BID DATE DECEMBER 2014 THE SCALE BAR SHOWN BELOW H & S JOB MEASURES ONE NUMBER 32135 -011 INCH LONG ON THE ORIGINAL CONTRACT DRAWING DRAWING. NUMBER NUMBER 1 1 C52 FLAT FILE . 0 U I U 0 0 L c 0 z E < o s� 0 w M (D T � M 0 o cn tl o m J x Ln I 3 � r7 � f- z I o� ED 1 U) Q) ncn !(n-0 < �� C r O Cn J 0) O O O I a- 1)o > N M N LV) W n w Q E C:� N x :H :1 375 370 365 360 358 8� 0 +80 / 6 LF 15"',, RC P J , r'�✓ f 6 LF 15 RCP _ ✓' CB 1 \ / r ✓ f , GRATE: 382.50 N l ` -, / ,- INV OUT. 375.53. 5 -. x _ RIM: 381.00 ,fir ' "�2 � ',rr',✓ '-'� ✓,, f �',�' X .~ 1 � � II _ PR OSED'-SAND INV IN: 370.47 1'5 SE _ - -r ✓ r r'X Fl ER "G5 - ✓" �' 1 .. -INV OUT: 367.80 15 74 LF W""RCP _ .._...__ --. j'i� ��,...- � Sj �\� !' �• � r � 'f 0� �r j'•j,� /)i jj/ ""�"' _,� ,�✓ / /" �--' � �• � f ''e 1'' / / /mss J ; ' , . > _ _ ! ;� 1 �,. ✓`�,,,, „�- .� _ _. _ _ ✓"" r,✓� ,r�� \ 6S � \_ r'' ✓r ,✓ � [.,' /fit � � it i y /t 1,e ° ✓ I r rJ i 0 # I I �� f( 0 +0 # If j l ? r •` I � i SAND FILTER TO FES 1 ff r ; EXISTING 10" DIP i EXISTING GRADE INV OUT OF SAND FILTER = 370.50 15" RCP 0.507 S EXISTING 12" DIP F r � s U in r p 00 FES 1 `t INV OUT: 360.00 ' r- ° , : In Z Q C) In O gNEZZ o`o ai vi ; In U j I nit') i -0 +50 0 +00 1 +00 1 +50 DC UNDERGROUND SAND FILTER PLAN VIEW DETAIL 1" = 10' C53 :1 375 370 365 360 358 PROFILES 1 = 30' HORZ 1 °= 3'VERT 385 :1 375 CB 1 TO SAND FILTER U r� u7 N Co °� + CD 00 �o > UV)LrZ 6 LF i 15" RCP @ 0.49% INV IN TO SAND FILTER = 375.50 it 385 375 I 00 00 M 0 +50 1 +00 1 +50 ' NLTH 0 rrr oo\j Lic No.045376 W 11 6111 %.& TONAL z z O Q �0 x3: 0 J LL w > 4' ACCESS MANHOLE, TYP OF 2 A 4'X4' ACCESS HATCH EXTEND MANHOLES AND ACCESS HATCH TO GRADE, TYP APPROX ELEV: 381.44 .- 20" ASTM C33 CONCRETE SAND 15" RCP INV OUT: 370.50 BAFFLE WALL A 6" UNDERDRAIN IN WASHED GRAVEL 14.00' 13.00' DESIGNED BTE DRAWN BTE CHECKED L PROJ.ENGR. DSB ." „ II II II I . T II II L I I I yy O A C6 - f� 0i L -- - -- L -1L - -J 4% 00' 4.00 3.00' 2' MIN 9.67' PLAN VIEW 8" OVERFLOW OPENING 3 12/14 ISSUED FOR BID DSB 2 12/14 STATE RESUBMITTAL DSB 1 08/14 FINAL DESIGN DSB EV DATE ISSUED FOR BY I APPROVED 1 +00 1 +50 DC UNDERGROUND SAND FILTER PLAN VIEW DETAIL 1" = 10' C53 :1 375 370 365 360 358 PROFILES 1 = 30' HORZ 1 °= 3'VERT 385 :1 375 CB 1 TO SAND FILTER U r� u7 N Co °� + CD 00 �o > UV)LrZ 6 LF i 15" RCP @ 0.49% INV IN TO SAND FILTER = 375.50 it 385 375 I 00 00 M 0 +50 1 +00 1 +50 ' NLTH 0 rrr oo\j Lic No.045376 W 11 6111 %.& TONAL z z O Q �0 x3: 0 J LL w > 4' ACCESS MANHOLE, TYP OF 2 A 4'X4' ACCESS HATCH EXTEND MANHOLES AND ACCESS HATCH TO GRADE, TYP APPROX ELEV: 381.44 .- 20" ASTM C33 CONCRETE SAND 15" RCP INV OUT: 370.50 BAFFLE WALL A 6" UNDERDRAIN IN WASHED GRAVEL 14.00' 13.00' ." „ II II II I . T II II L I I I yy O A C6 - f� 0i L -- - -- L -1L - -J 4% 00' 4.00 3.00' 2' MIN 9.67' PLAN VIEW 8" OVERFLOW OPENING APPROX ELEV: 382.30 I ^-' I I ---• II -- I I I:F.r•^i�Clrl l Ll BAFFLE WALL C BAFFLE WALL B 15" RCP INV IN: 375.50 ACCESS STEP, TYP 3 C53 BAFFLE WALL B 0 C0 L0 u7 6" DEWATERING DRAIN, SEE NOTE 12 BAFFLE WALL A BAFFLE WALL B ffiZEN AND SAWYER Environmental Engineers & Scientists 4011 WestChase Boulevard, Suite 500 Raleigh, North Carolina 27607 NC License C -0381 4.00' BAFFLE WALL C DC UNDERGROUND SAND FILTER DETAIL 2 NTS C53 SrFA. 1 �ria� 30•" 1•" R TYPICAL SECTION (DIMENSIONS MAY VARY WITH MANUFACTURER'S DESIGN) 1 -2" OF 1" WASHED GRAVEL OVER FILTER FABRIC LAPPED 6" ON ALL FOUR SIDES 20" ASTM C33 CONCRETE SAND WASHED GRAVEL, SEE NOTE 5 6" PERFORATED PVC TYP SAND FILTER PIPE WRAPPED IN SECTION GEOTEXTILE FABRIC GALVANIZED STEEL STEP 314 GRADE 50, REINFORCING ROD ENCASED IN A CORROSION RESISTANT RUBBER OR OTHER MATERIAL APPROVED BY THE ENGINEER, (DIMENSION MAY VARY WITH MANUFACTURER'S DESIGN) CORROSION RESISTANT MATERIAL # 4 REINFORCING ROD L SECTION MINIMUM OF 3" EMBEDMENT NOTES: STEPS WLL BE REQUIRED IN ALL STRUCTURES WITH A DEPTH OF 41-01 GREATER UNLESS OTHERWISE NOTED ON THE PLANS. ALL STEP'S SHALL PROTRUDE 4�/2' FROM INSIDE FACE OF STRUCTURE WALL. MAXIMUM STEP SPACING TO BE 16" C -C, STEPS SHALL WITHSTAND A MINIMUM FORCE OF 300 POUNDS WHEN EXTENDED 4!(1" FROM THE FACE OF THE SUPPORT, STEPS ARE TO BE VERTICALLY ALIGNED AND UNIFORMALY SPACED FOR THE ENTRE DEPTH OF ANY STRUCTURE. IN PRECAST UNITS STEPS MAY BE CAST IN PLACE, MORTARED INTO HOLES PROVIDED BY THE FABRICATOR, OR DRIVEN. STEPS DIFFERING IN DIMENSIONS, CONFIGURATION OR MATERIALS FROM THOSE SHOWN MAY 'LSO BE USED PROVIDED THEY MEET THE MINIMUM REQUIREMENTS SHOWN HEREON AND THE CONTRACTOR HAS FURNISHED THE ENGINEER WITH DETAILS AND CERTIFIED, TEST REPORTS OF THE PROPOSED SUBSTITUTE AND HAS RECEIVED WRITTEN APPROVAL FROM THE ENGINEER FOR THE USE OF SUCH STEPS. ALL STEPS INSTALLED SHALL BE PROVIDED WITH SLIP- RESISTANT SURFACES; SUCH AS BUT NOT LIMITED TO, CORRUGATED KNURLED, OR DIMPLED SURFACES. ALUMINUM STEPS SHALL BE FABRICATED IN ACCORDANCE WITH ASTM 8221, ALLOY 6005 -TS. THAT PORTION OF THE STEP ENCASED IN MASONRY SHALL BE UNIFORMLY COATED WITH A BITUMIMOUS, SOLVENT TYPE, ASBESTOS FILLED ALUMINUM PIGMENTED COATING CONFORMING TO FEDERAL SPECIFICATION TC-C- 00498A. ALUMINUM STEP VDOT 106.09 ST -1 STANDARD STEP DETAIL 3 N.T.S. C53 COURTESY VIRIGNNA DEPARTMENT OF TRANSPORTATION RIVANNA WATER AND SEWER AUTHORITY CHARLOTTESVILLE, VIRGINIA WATER TREATMENT PLANT GAC UPGRADES SCOTTSV I LLE WTP NOTES: 1. ALL INLETS AND MANHOLES SHALL BE VIRGINIA DEPARTMENT OF TRANSPORTATION STANDARD INLETS, AS DESIGNATED. 2. VDOT IS -1 IS REQUIRED ON ALL DRAINAGE STRUCTURES UNLESS OTHERWISE NOTED. INVERTS OF INLETS AND MANHOLES SHALL BE SHAPED IN ACCORDANCE WITH VIRGINIA DEPARTMENT OF TRANSPORTATION STANDARD IS 3. ACTUAL SITE CONDITIONS MAY VARY FROM CONTRACT DRAWINGS AND EXISTING /PROPOSED PIPES MAY NOT BE REPRESENTED ENTIRELY. THEREFORE, PRIOR TO BEGINNING ANY EXCAVATION WORK, THE CONTRACTOR SHALL DETERMINE IF ANY CONFLICTS OR INTERFERENCES BETWEEN EXISTING AND NEW UTILITIES EXIST. IF A CONFLICT EXISTS, THE CONTRACTOR SHALL BRING IT TO THE ATTENTION OF THE ENGINEER TO DETERMINE HOW TO MODIFY THE DESIGN, IF NECESSARY. SAND FILTER NOTES: 1. SAND FILTER SHALL CONFORM TO ALL CONSTRUCTION SPECIFICATIONS IN SECTION 3.12A OF THE VSMH (VIRGINIA STORMWATER MANAGEMENT HANDBOOK). 2. SAND FILTER SHALL NOT BE PUT ON -LINE UNTIL ENTIRE DRAINAGE AREA IS STABILIZED. CONTRACTOR SHALL BLOCK SAND FILTER INLET AND OUTLET PIPES UNTIL SITE IS STABILIZED. 3. SAND FILTER SHALL BE CONSTRUCTED WATER TIGHT INCLUDING PIPE AND RISER JOINTS WITHIN THE FACILITY. CONTRACTOR SHALL CONTACT THE ENGINEER IF GROUND WATER IS DISCOVERED ABOVE BOTTOM OF SAND FILTER. 4. GRAVEL SURROUNDING SAND FILTER UNDERDRAINS SHALL BE Y2 TO 2 INCH DIAMETER GRAVEL AND PROVIDE AT LEAST 2 INCHES OF COVER OVER THE UNDERDRAINS. 5. UNDERDRAINS SHALL BE SDR 40 OR BETTER 6 -INCH PERFORATED PVC PIPE. PERFORATIONS SHALL BE % INCH, AND EACH ROW OF PERFORATIONS SHALL CONTAIN AT LEAST 4 HOLES. MAXIMUM SPACING BETWEEN ROWS SHALL BE 6 INCHES. MINIMUM GRADE OF PIPING SHALL BE Y INCH PER FOOT (ONE PERCENT). CONTRACTOR SHALL INSTALL CLEANOUTS ON EACH UNDERDRAIN THAT EXTEND 6" ABOVE THE SAND MEDIA. 6. SITE OWNER SHALL REFER TO OPERATIONS AND MAINTENANCE AGREEMENT FOR MAINTENANCE SCHEDULE. SEDIMENT AND CONTAMINATED SAND SHALL BE REMOVED WITH A VACUUM TRUCK, SAND FILTER SHALL BE INSPECTED QUARTERLY AND AFTER EVERY STORM LARGER THAN THE 2 -YEAR RAINFALL DURING THE FIRST 12 MONTHS. THEREAFTER, SAND FILTER SHALL BE INSPECTED EVERY 12 MONTHS. 7. IF SEDIMENT ACCUMULATES TO A DEPTH OF 6 INCHES OR DEVELOPS AN OILY FILM, SEDIMENT SHALL BE REMOVED FROM THE SEDIMENT CHAMBER AND /OR THE SAND FILTER CHAMBER. FOR THE SAND FILTER CHAMBER, REMOVAL OF THE FIRST 2 TO 3 INCHES OF SAND MEDIA MAY BE NECESSARY TO REMOVE ALL OF THE SEDIMENT. 8. MANHOLES AND ACCESS HATCH SHALL BE RATED TO WITHSTAND H -20 TRAFFIC LOADING. 9. ALL CONCRETE SHALL BE AT A MINIMUM 5" THICK AND CLASS A3 DEFINED IN THE VIRGINIA DEPARTMENT OF TRANSPORTATION ROAD AND BRIDGE SPECIFICATIONS. 10. AFTER PLACEMENT OF COLLECTOR PIPES, GRAVEL, AND LOWER GEOTEXTILE LAYER, FILTER COMPONENTS SHALL BE HYDRAULICALLY COMPACTED PER THE REQUIREMENTS OF THE VSMH SECTION 3.12A. 11. 6" DEWATERING DRAIN INSTALLED BETWEEN THE FILTER CHAMBER AND CLEARWELL CHAMBER SHALL BE CONTROLLED BY A GATE VALVE WITH ITS INVERT AT THE ELEVATION OF THE TOP OF THE FILTER. THE DEWATERING DRAIN PENETRATION SHALL BE SEALED WITH A FLEXIBLE STRIP JOINT SEALANT TO FORM A TIGHT PRESSURE SEAL. 12. ALL STRUCTURE INVERTS MUST BE INSTALLED LEVEL FOR PROPER OPERATION OF THE SAND FILTER. 13. ALL GEOTEXTIES SHALL MEET THE REQUIREMENTS OF THE VSMH SECTION 3.12A. 14. ALL STEPS SHALL BE VDOT 106.09, 12" O.C. ON INTERIOR WALLS AT ACCESS MANHOLES 15. DC SAND FILTER BASED ON DESIGN BY OLDCASTLE PRECAST CONCRETE. CONTRACTOR SHALL PROVIDE OLDCASTLE SAND FILTER OR APPROVED EQUAL. 16. CONTRACTOR SHALL PROVIDE MANUFACTURERS PCI CERTIFICATIONS AND SHOP DRAWINGS TO THE ENGINEER AND THE COUNTY'S INSPECTOR DURING CONSTRUCTION. CIVIL STORMWATER PROFILES AND SAND FILTER PLAN ISSUED FOR BID DATE DECEMBER 2014 THE SCALE BAR SHOWN BELOW H & S JOB MEASURES ONE NUMBER 32135 -011 INCH LONG ON THE ORIGINAL CONTRACT DRAWING DRAWING. NUMBER NUMBER 1 C53 FLAT FILE . ." . 4% .:;: MINIMUM OF 3" EMBEDMENT NOTES: STEPS WLL BE REQUIRED IN ALL STRUCTURES WITH A DEPTH OF 41-01 GREATER UNLESS OTHERWISE NOTED ON THE PLANS. ALL STEP'S SHALL PROTRUDE 4�/2' FROM INSIDE FACE OF STRUCTURE WALL. MAXIMUM STEP SPACING TO BE 16" C -C, STEPS SHALL WITHSTAND A MINIMUM FORCE OF 300 POUNDS WHEN EXTENDED 4!(1" FROM THE FACE OF THE SUPPORT, STEPS ARE TO BE VERTICALLY ALIGNED AND UNIFORMALY SPACED FOR THE ENTRE DEPTH OF ANY STRUCTURE. IN PRECAST UNITS STEPS MAY BE CAST IN PLACE, MORTARED INTO HOLES PROVIDED BY THE FABRICATOR, OR DRIVEN. STEPS DIFFERING IN DIMENSIONS, CONFIGURATION OR MATERIALS FROM THOSE SHOWN MAY 'LSO BE USED PROVIDED THEY MEET THE MINIMUM REQUIREMENTS SHOWN HEREON AND THE CONTRACTOR HAS FURNISHED THE ENGINEER WITH DETAILS AND CERTIFIED, TEST REPORTS OF THE PROPOSED SUBSTITUTE AND HAS RECEIVED WRITTEN APPROVAL FROM THE ENGINEER FOR THE USE OF SUCH STEPS. ALL STEPS INSTALLED SHALL BE PROVIDED WITH SLIP- RESISTANT SURFACES; SUCH AS BUT NOT LIMITED TO, CORRUGATED KNURLED, OR DIMPLED SURFACES. ALUMINUM STEPS SHALL BE FABRICATED IN ACCORDANCE WITH ASTM 8221, ALLOY 6005 -TS. THAT PORTION OF THE STEP ENCASED IN MASONRY SHALL BE UNIFORMLY COATED WITH A BITUMIMOUS, SOLVENT TYPE, ASBESTOS FILLED ALUMINUM PIGMENTED COATING CONFORMING TO FEDERAL SPECIFICATION TC-C- 00498A. ALUMINUM STEP VDOT 106.09 ST -1 STANDARD STEP DETAIL 3 N.T.S. C53 COURTESY VIRIGNNA DEPARTMENT OF TRANSPORTATION RIVANNA WATER AND SEWER AUTHORITY CHARLOTTESVILLE, VIRGINIA WATER TREATMENT PLANT GAC UPGRADES SCOTTSV I LLE WTP NOTES: 1. ALL INLETS AND MANHOLES SHALL BE VIRGINIA DEPARTMENT OF TRANSPORTATION STANDARD INLETS, AS DESIGNATED. 2. VDOT IS -1 IS REQUIRED ON ALL DRAINAGE STRUCTURES UNLESS OTHERWISE NOTED. INVERTS OF INLETS AND MANHOLES SHALL BE SHAPED IN ACCORDANCE WITH VIRGINIA DEPARTMENT OF TRANSPORTATION STANDARD IS 3. ACTUAL SITE CONDITIONS MAY VARY FROM CONTRACT DRAWINGS AND EXISTING /PROPOSED PIPES MAY NOT BE REPRESENTED ENTIRELY. THEREFORE, PRIOR TO BEGINNING ANY EXCAVATION WORK, THE CONTRACTOR SHALL DETERMINE IF ANY CONFLICTS OR INTERFERENCES BETWEEN EXISTING AND NEW UTILITIES EXIST. IF A CONFLICT EXISTS, THE CONTRACTOR SHALL BRING IT TO THE ATTENTION OF THE ENGINEER TO DETERMINE HOW TO MODIFY THE DESIGN, IF NECESSARY. SAND FILTER NOTES: 1. SAND FILTER SHALL CONFORM TO ALL CONSTRUCTION SPECIFICATIONS IN SECTION 3.12A OF THE VSMH (VIRGINIA STORMWATER MANAGEMENT HANDBOOK). 2. SAND FILTER SHALL NOT BE PUT ON -LINE UNTIL ENTIRE DRAINAGE AREA IS STABILIZED. CONTRACTOR SHALL BLOCK SAND FILTER INLET AND OUTLET PIPES UNTIL SITE IS STABILIZED. 3. SAND FILTER SHALL BE CONSTRUCTED WATER TIGHT INCLUDING PIPE AND RISER JOINTS WITHIN THE FACILITY. CONTRACTOR SHALL CONTACT THE ENGINEER IF GROUND WATER IS DISCOVERED ABOVE BOTTOM OF SAND FILTER. 4. GRAVEL SURROUNDING SAND FILTER UNDERDRAINS SHALL BE Y2 TO 2 INCH DIAMETER GRAVEL AND PROVIDE AT LEAST 2 INCHES OF COVER OVER THE UNDERDRAINS. 5. UNDERDRAINS SHALL BE SDR 40 OR BETTER 6 -INCH PERFORATED PVC PIPE. PERFORATIONS SHALL BE % INCH, AND EACH ROW OF PERFORATIONS SHALL CONTAIN AT LEAST 4 HOLES. MAXIMUM SPACING BETWEEN ROWS SHALL BE 6 INCHES. MINIMUM GRADE OF PIPING SHALL BE Y INCH PER FOOT (ONE PERCENT). CONTRACTOR SHALL INSTALL CLEANOUTS ON EACH UNDERDRAIN THAT EXTEND 6" ABOVE THE SAND MEDIA. 6. SITE OWNER SHALL REFER TO OPERATIONS AND MAINTENANCE AGREEMENT FOR MAINTENANCE SCHEDULE. SEDIMENT AND CONTAMINATED SAND SHALL BE REMOVED WITH A VACUUM TRUCK, SAND FILTER SHALL BE INSPECTED QUARTERLY AND AFTER EVERY STORM LARGER THAN THE 2 -YEAR RAINFALL DURING THE FIRST 12 MONTHS. THEREAFTER, SAND FILTER SHALL BE INSPECTED EVERY 12 MONTHS. 7. IF SEDIMENT ACCUMULATES TO A DEPTH OF 6 INCHES OR DEVELOPS AN OILY FILM, SEDIMENT SHALL BE REMOVED FROM THE SEDIMENT CHAMBER AND /OR THE SAND FILTER CHAMBER. FOR THE SAND FILTER CHAMBER, REMOVAL OF THE FIRST 2 TO 3 INCHES OF SAND MEDIA MAY BE NECESSARY TO REMOVE ALL OF THE SEDIMENT. 8. MANHOLES AND ACCESS HATCH SHALL BE RATED TO WITHSTAND H -20 TRAFFIC LOADING. 9. ALL CONCRETE SHALL BE AT A MINIMUM 5" THICK AND CLASS A3 DEFINED IN THE VIRGINIA DEPARTMENT OF TRANSPORTATION ROAD AND BRIDGE SPECIFICATIONS. 10. AFTER PLACEMENT OF COLLECTOR PIPES, GRAVEL, AND LOWER GEOTEXTILE LAYER, FILTER COMPONENTS SHALL BE HYDRAULICALLY COMPACTED PER THE REQUIREMENTS OF THE VSMH SECTION 3.12A. 11. 6" DEWATERING DRAIN INSTALLED BETWEEN THE FILTER CHAMBER AND CLEARWELL CHAMBER SHALL BE CONTROLLED BY A GATE VALVE WITH ITS INVERT AT THE ELEVATION OF THE TOP OF THE FILTER. THE DEWATERING DRAIN PENETRATION SHALL BE SEALED WITH A FLEXIBLE STRIP JOINT SEALANT TO FORM A TIGHT PRESSURE SEAL. 12. ALL STRUCTURE INVERTS MUST BE INSTALLED LEVEL FOR PROPER OPERATION OF THE SAND FILTER. 13. ALL GEOTEXTIES SHALL MEET THE REQUIREMENTS OF THE VSMH SECTION 3.12A. 14. ALL STEPS SHALL BE VDOT 106.09, 12" O.C. ON INTERIOR WALLS AT ACCESS MANHOLES 15. DC SAND FILTER BASED ON DESIGN BY OLDCASTLE PRECAST CONCRETE. CONTRACTOR SHALL PROVIDE OLDCASTLE SAND FILTER OR APPROVED EQUAL. 16. CONTRACTOR SHALL PROVIDE MANUFACTURERS PCI CERTIFICATIONS AND SHOP DRAWINGS TO THE ENGINEER AND THE COUNTY'S INSPECTOR DURING CONSTRUCTION. CIVIL STORMWATER PROFILES AND SAND FILTER PLAN ISSUED FOR BID DATE DECEMBER 2014 THE SCALE BAR SHOWN BELOW H & S JOB MEASURES ONE NUMBER 32135 -011 INCH LONG ON THE ORIGINAL CONTRACT DRAWING DRAWING. NUMBER NUMBER 1 C53 FLAT FILE . DIVERSIONS Dv CONSTRUCTION OF A SILT FENCE sF BLOCK AND GRAVEL DROP INLET IP (WITHOUT WIRE SUPPORT) SEDIMENT FILTER 1. SET THE STAKES. 2. EXCAVATE A 4 "x4" TRENCH GRASS LINED CHANNEL (PERMANENT) ROLLED EROSION CONTROL MAT (RECM) PIPE OUTLET CONDITIONS OP 10% SETTLEMENT UPSLOPE ALONG THE LINE OF STAKES RECM TEMPORARY 01 FREE BOARD WIRE SCREEN CONCRETE BLOCK (TEMPORARY) --- A A WMAX — �— ESIGN FLO DEPTH — /j /- i 1' r;,:.•t �� -- 1 C4 /\ 1 Lmw TEMPORARY PIPE OUTLET TO FLAT TYPICAL PARABOLIC DIVERSION FLOW / �� /%\ // TURF REINFORCEMENT MAT (TRM) CHANNEL H NO DEFINED � GRASS LINED CHANNEL (PERMANENT) 411 _— - TRM (PERMANENT) PLAN VIEW 3. STAPLE FILTER MATERIAL TO STAKES 4. BACKFILL AND COMPACT o Qo °Qo 10% SETTLEMENT AND EXTEND IT INTO THE TRENCH. THE EXCAVATED SOIL. ��00000��Oo o �C�oOoo��oOoo��C� 0.3 FREE BOARD--______ O� DESIGN FLOW DEPTH TTTT �— — 11ll11 GRAVEL* FILTER 3 3 0 % — JO Il __ PERSPECTIVE VIEW PERMANENT l�lil� / — FILTER CLOTH KEY IN 6 " -9 "; RECOMMENDED TYPICAL TRAPEZOIDAL DIVERSION / / WIRE SCREEN 3 3 \ *SEE SITE PLAN r / /��/ /' \ i�� / /�� //� FOR ENTIRE PERIMETER \% i FLOW �/j /�! /j FILTERED WATER \� 1 1 1 1 / \// —/ � �\ SECTION A —A OVERFLOW C14 RUNOFF WATER 10% SETTLEMENT---- _ — SHEET FLOW INSTALLATION WITH SEDIMENT 0 2 43 3 0 0 01 FREE BOARD (PERSPECTIVE VIEW) CLASS STONE LINING - - - - -- �\%�� ,- ��. \.... ° 12" MIN ESIGN FLOW DEPTH_ ! = FLOW �� / \ / \/ / \ /�� /�� / \ /�� / \ / \ /�� /` DROP INLET WITH GATE I 3 ij//,/,/ j /� / /� /,� / /�� /,� /,� /,� /,��jj� /,\ 4 TYPE II GEOTEXTILE - - _ I�fl - A MA A ° PERMANENT SEPARATOR - — — SEDIMENT T fill ----- %� /� /��— ,/i TYPICAL DITCH DETAIL i��/ \� /i��i / \ SEE DETAIL 0227014 FOR TYPICAL VEE— SHAPED DIVERSION %� , , , , , , / / ELEVATION INSTALLATION DETAIL STONE CONSTRUCTION ENTRANCE 0 �/ SPECIFIC APPLICATION EXISTING PAVEMENT POINTS A SHOULD BE HIGHER THAN POINT B. 0227011 70' MIN PAVEMENT 0227009 DRAINAGEWAY INSTALLATION THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE HEAVY (FRONT ELEVATION) FLOWS ARE EXPECTED AND WHERE AN OVERFLOW CAPACITY IS A 3 5:1 NECESSARY TO PREVENT EXCESSIVE PONDING AROUND THE STRUCTURE. 0227000 * GRAVEL SHALL BE VDOT #3, #357 OR #5 COARSE AGGREGATE. EXISTING GROUND 6" MIN. A MOUNTABLE BERM 0227001 FILTER CLOTH ELEVATION (OPTIONAL) 70' MIN - � TYPICAL CONTRACTION JOINT WASHRACK 48° MAX SPACING BETWEEN B (OPTIONAL) 10' MIN. EXISTING TREE FENCING FABRIC ORANGE MIRASAFE 1/2' EXPANSION JOINTS 4' 4.2° 4" THICK CONCRETE WALK % 12 MINA 10 EXISTING METAL 'IT it POST MIN. PAVEMENT — OR WOODEN 2X4 VARIES, /\ SEE PLAN FOR WIDTH CD CD C:j VDOT #1 B I— — POSITIVE DRAINAGE 10 MIN. 1/2 EXPANSION JOINT MATL WHEN WIDTH OF SIDEWALK, PAD, ETC TO SEDIMENT REQUIRED WHEN WALK ABUTS EXCEEDS 6', LONGITUDINAL CONTRACTION COURSE AGGREGATE TRAPPING DEVICE EXISTING RIGID STRUCTURES JOINTS SHALL BE PLACED AS REQUIRED * MUST EXTEND FULL WIDTH GRADE OF INGRESS AND EGRESS PLAN VIEW 10' MAX SPACING TIC MIRAFI MIRASAFE OR AN APPROVED EQUAL. STAPLE TO TYPICAL CONCRETE WALKWAY OPERATION POST —TO —POST VERTICAL 2X4 OR TIE TO METAL SIT" POSTS. 0245000 12' MIN. NOTES: MAINTENANCE REQUIREMENTS: 3" MIN. 1. PLACE CONTINUOUS RUN OF FENCE MATERIAL ON BOTH SIDES OF 1. INSPECT WEEKLY AND AFTER EACH RAINFALL BACK OF CURB \ 3 MIN. IMMEDIATE WORK ZONE IN WOODED AREAS AS SHOWN ON THE PRODUCING j INCH OR MORE OF RAIN. PLANS. DO NOT ATTACH FENCE MATERIAL TO TREES. \ / \\ w 12" 2� -6° m 2. TREE PROTECTION FENCING FABRIC TO BE PLACED IN A RADIUS 2. REPAIR OR RELACE DAMAGED FENCING IMMEDIATELY. MIN 6" FILTER CLOTH SECTION °A —A" FINISHED GRADE OF A MINIMUM OF 1.5' FROM THE TRUNK FOR EACH INCH OF 3. REPLACE ANY DAMAGED SIGNAGE IMMEDIATELY AS CONCRETE CURB 6-7 DBH (DIAMETER AT BREAST HEIGHT). AREA INSIDE OF FENCING NEEDED. AND GUTTER ASPHALT SHOULD BE A NO ACCESS, NO ENCROACHMENT ZONE THAT PAVEMENT , SHALL HAVE NO PARKING OF EQUIPMENT OR STOCKPILING OF 4. IF ROOTS ARE DAMAGED, CUT OFF DAMAGED AREAS a 1 °• ° ' ; ° a a SUPPLIES. CLEANLY AND KEEP EXPOSED ROOTS MOIST BY SPREAD %0 3' R " °° ° PEAT MOSS MOIST TOPSOIL OR MOIST MULCH. NO 0 1 1/2 SLOPE _ a •a � ° a � � a •;. ° a ° a 4 a ° a if ' MIRASAFE" HIGH STRENGTH POLYMER GEOGRID FABRIC BY MIRAFI PAINT IS NEEDED. f ° a °• •° CONSTRUCTION PRODUCTS, PENDERGRASS, GEORGIA. %0 5. FENCING SHALL BE INSTALLED SUCH THAT NO TREE 0 4. ONE SIGN PER 50' OF TREE PROTECTION FENCING SHALL READ: BARK DAMAGE OCCURS. IF SUCH DAMAGE DOES 1 0 0 e Y "TREE PROTECTION AREA /DO NOT ENTER AREA /PARA OCCUR ONLY A CERTIFIED ARBORIST SHOULD DO ANY i�O LLJ Cr o PROTECCION DE LOS ARBOLES /PROHIBIDO ENTRAR� BARK TRACING. NO PAINT IS NEEDED. 0 REINFORCED CONCRETE SECTION MB —BN DRAIN SPACE � M w ° TREE PROTECTION BARRIER FENCE 0257701 % /��/ -� 0257701 M 0227033R CURB AND GUTTER 3;o ° 0242000 ISSUED FOR BID a N N N O O O - DATE DECEMBER 2014 cl DESIGNED H &s ��LTx oF�� RIVANNA WATER AND SEWER AUTHORITY S ITE DETAILS THE SCALE BAR Ln ° DRAWN H &S O ✓ ffiZENAND SAWYER CHARLOTTESVILLE, VIRGINIA SHOWN BELOW H &S JOB ° A A Environmental Engineers & Scientists N cl, o , C MEASURES ONE NUMBER 32135 -011 o CHECKED INCH LONG ON CD Lic No 045376 rd r� 4011 WestChase Boulevard Suite 500 THE ORIGINAL CONTRACT DRAW N 3 12/14 ISSUED FOR BID DSB H &S �O �� Raleigh North Carolina 27607 WATER TREATMENT PLANT DRAWING. NUMBER NUMBER PROJ.ENGR. `�' 2• �y �� NC License C -0381 CD �i 2 12/14 STATE RESUBMITTAL DSB S�l �� GAC UPGRADES 1 D1 co 1 08/14 FINAL DESIGN DSB ONAL w Q REV DATE ISSUED FOR BY APPROVED FLAT FILE N X :2 0 a 0 Li m T m V) J Cn 3 a N 0 i 0 z 0 U W Li W m Q U +T c 3 o Y C�1 oM Ln r-) E; N Ln �" Q N Nn N U W �ry o � 0 r? N ,w Lf) �w Q o N X -�E 12 S1 ;PECIFICATIONS ARED AND GRUBBED IFICATIONS. ;CORDING TO PLAN SPECIFICATIONS. MATS AT THE TOP OF THE SLOPE BY F IN AND REINFORCING IT WITH A ROW OF F FIVE (5) STAPLES, SPACING EACH ONE /IATELY 8" APART. ACE STAPLES 6 " -8" APART ALONG LENGTH OF T BLANKET TO SECURE TO THE SOIL SURFACE. _ STAPLES MUST BE FLUSH TO THE SURFACE. MAINTENANCE REQUIREMENTS: 1. INSPECT MATTING WEEKLY AND AFTER EACH RAINFALL EVEN THAT PRODUCES INCH OR MORE OF RAIN. REPAIR OR REPLACE IMMEDIATELY AS NECESSARY. 2. GOOD CONTACT WITH THE GROUND MUST BE MAINTAINED, AND EROSION MUST NOT OCCUR BENEATH THE MATTING. 3. ANY AREAS OF THE MATTING THAT ARE DAMAGED OR NOT IN GOOD CONTACT WITH THE GROUND SHALL BE REPAIRED OR REPLACED AND STAPLED IMMEDIATELY. 4. IF EROSION DOES OCCUR, THE PROBLEM SHALL BE FIXED AND ERODED AREA REPAIRED AND PROTECTED FROM FURTHER DAMAGE. 5. CONTINUE MONITORING MATTED AREAS UNTIL PERMANENT GROUND COVER HAS BEEN ESTABLISHED. ROLLED EROSION CONTROL MATTING (RECM) DETAIL __1 —] NTS D3 9 -GAUGE ALUMINUM - COATED WIRE WOVEN IN A 2 -INCH DIAGONAL MESH CONFORMING TO ASTM A491. WIRE SHALL BE PVC - COATED (BLACK) TO MEET THE REQUIREMENTS OF ASTM F668. N T I o 0 I r_ FINISH GRADE d- _I 3 12/14 2 12/14 1 08/14 =V DATE 3 STRANDS OF BARBED WIRE - BRACE II ii TYP CORNER 11� POST II II CONCRETE � 1611 ISSUED FOR BID STATE RESUBMITTAL FINAL DESIGN ISSUED FOR TRUSS ROD II � II II � II II u � 12" CORNER /LINE 10'- "TYP 7 GAUGE TENSION WIRE-7 TYP LINE POST CONCRETE THIS DETAIL AS SHOWN ON SITE PLANS ROADWAY GATE OPENING TOP RAIL SEE NOTE 1, THIS DETAIL i \�� \i\ BRACE TRUSS ROD � II I� BOTTOM RAIL TYP GATE POST CONCRETE CHAIN LINK FENCE 024440OR 211 INSTALLATION CRITERIA FOR SOIL STABILIZATION BLANKET ANCHOR SLOT NOTES APPROXIMATELY 200 STAPLES REQUIRED PER 100 SQ. YDS. OF MATERIAL ROLL. CHECK SLOTS SLOTS JUNCTION BECBUORIEDL6TSTO 12 ". 12" MAX. 4:1 OR FLATTER JUNCTION SLOT 6" MAX. STEEPER THAN 4:11 _ L- EDGE AND END JOINTS I I I I I I I I I CHECK SLOT* TO BE SNUGLY ABUTTED (JUTE MESH WILL HAVE I I 1 1 TERMINAL FOLD STAPLED LAP JOIN11N - - LIEU OF EDGE JOINT) I LAP JOINT 2° MIN. I I i l i l I TAMP FIRMLY (JUTE MESH ONLY) 1 I I ANCHOR SLOT I 5' MAX. 4:1 OR FLATTER 3' MAX. STEEPER THAN 4:1 1 I I I I =1 � 1= 1T�ITi =1TE I � I— III — III —I � I- TI= 1��lii =lil =lit =1Ti —I_n I I � �1P 11 " 1i1- l- Tl -lTIT = 1T1= �1�i1 =il -n1 -1i 6 TO 12 tl 2 TAMP CHECK SLOT FIRMLY Iml 6" TO 12" 1 CHECK SLOT --�. —� �— 1 " TO 2" I I I I I I I I I I I Trw _ = VAR. VAR. 6" To 8" MIN. PLAN VIEW STAPLING DIAGRAM *CHECK SLOTS AT MIN. STAPLE FORMED FROM NO.11 STEEL WIRE-50' C -C INTERVALS; 811 STAPLE MIN. LENGTH FOR SANDY SOIL.�OT REQ.'D WITH ALL F" �TAPI F t,dlN I FN(TI I FnR nTHFR C(111 nFAn1AIATInk nl er.lvr-rr JUNCTION SLOT [TAMP 2" 12 FIRMLY 6" To 12" \ I A-1—nu 0227014 I I Vh IL f VJI ROADWAY GATE PERSONNEL GATE NOTES: 1. PROVIDE LATCHING DEVICES TO HOLD GATES IN OPEN POSITION. 2. IF ROCK IS ENCOUNTERED WHEN SETTING POSTS, DRILL HOLES 4 INCHES LARGER IN DIAMETER THAN POSTS AND BACKFILL TO GRADE WITH CLASS "B' CONCRETE. o� �ALTH OF k 0 SANTOWASSO Lic No 045376 Ict)� STO E� � . NAL MZEN AND SAWYER Environmental ;Engineers & Scientists 4011',WestChase Boulevard, Suite 500 Raleigh, 'Nor'th Carolina 27607 NC License C -0381 TERMINAL FOLD TAAAD CI1D1A1 Y 2" VARIES 4' -0" FIL (Of ROCK CHECK DAM co 2 ACRES OR LESS OF DRAINAGE AREA: VDOT #1 CO. --- . --- T- FL( FIL (OF (DOWNSTREAM VIEW) 2 -10 ACRES OF DRAINAGE AREA: VDOT W COARSE AGGREGATE FLOW VARIES - SEE SITE PLAN (DOWNSTREAM VIEW) 3' " SLOPE AT 1/4:12 SLOPE AT 1/4:12 � 2' ASPHALT SURFACE COURSE 3.5' ASPHALT \TACK COAT - BASE COURSE , CUT SECTION NOTE: THE 1' ASPHALT CONCRETE SURFACE COURSE AND THE TACK COAT SHALL NOT BE PLACED UNTIL THIS CONTRACT AND THE ELECTRICAL CONTRACT IS COMPLETE AND HAS BEEN APPROVED BY THE ENGINEER. 0227003 41 -0" \` FILL SECTION —8' AGGREGATE BASE COURSE — COMPACTED SUB -GRADE TYPICAL ROADWAY SECTION 0251000 RIVANNA WATER AND SEWER AUTHORITY CHARLOTTESVILLE, VIRGINIA WATER TREATMENT PLANT GAC UPGRADES CLASS I RIPRAP CUT BACK EXIST SURFACE COURSE 6" MIN FROM BASE SLOPE EXIST SURFACE COURSE TACK COAT NEW ASPHALT PAVEMENT V SEE 0251000 CUT BACK EXIST BASE COURSE 12" MIN ASPHALT SURFACE COURSE, 2' MIN TACK COAT ASPHALT BASE COURSE, 3.5" MIN AGGREGATE BASE COURSE EXIST BASE COURSE TYPICAL PAVEMENT JUNCTION 0251301 ISSUED FOR BID DATE DECEMBER 2014 SITE DETAILS THE SCALE BAR SHOWN BELOW H & S JOB MEASURES ONE NUMBER 32135 -011 INCH LONG ON THE ORIGINAL CONTRACT DRAWING DRAWING. NUMBER NUMBER 1 D2 FLAT FILE DESIGNED DRAWN CHECKED PROJ.ENGR. H & S H & S LQS H & S DSB DSB DSB BY APPROVED THIS DETAIL AS SHOWN ON SITE PLANS ROADWAY GATE OPENING TOP RAIL SEE NOTE 1, THIS DETAIL i \�� \i\ BRACE TRUSS ROD � II I� BOTTOM RAIL TYP GATE POST CONCRETE CHAIN LINK FENCE 024440OR 211 INSTALLATION CRITERIA FOR SOIL STABILIZATION BLANKET ANCHOR SLOT NOTES APPROXIMATELY 200 STAPLES REQUIRED PER 100 SQ. YDS. OF MATERIAL ROLL. CHECK SLOTS SLOTS JUNCTION BECBUORIEDL6TSTO 12 ". 12" MAX. 4:1 OR FLATTER JUNCTION SLOT 6" MAX. STEEPER THAN 4:11 _ L- EDGE AND END JOINTS I I I I I I I I I CHECK SLOT* TO BE SNUGLY ABUTTED (JUTE MESH WILL HAVE I I 1 1 TERMINAL FOLD STAPLED LAP JOIN11N - - LIEU OF EDGE JOINT) I LAP JOINT 2° MIN. I I i l i l I TAMP FIRMLY (JUTE MESH ONLY) 1 I I ANCHOR SLOT I 5' MAX. 4:1 OR FLATTER 3' MAX. STEEPER THAN 4:1 1 I I I I =1 � 1= 1T�ITi =1TE I � I— III — III —I � I- TI= 1��lii =lil =lit =1Ti —I_n I I � �1P 11 " 1i1- l- Tl -lTIT = 1T1= �1�i1 =il -n1 -1i 6 TO 12 tl 2 TAMP CHECK SLOT FIRMLY Iml 6" TO 12" 1 CHECK SLOT --�. —� �— 1 " TO 2" I I I I I I I I I I I Trw _ = VAR. VAR. 6" To 8" MIN. PLAN VIEW STAPLING DIAGRAM *CHECK SLOTS AT MIN. STAPLE FORMED FROM NO.11 STEEL WIRE-50' C -C INTERVALS; 811 STAPLE MIN. LENGTH FOR SANDY SOIL.�OT REQ.'D WITH ALL F" �TAPI F t,dlN I FN(TI I FnR nTHFR C(111 nFAn1AIATInk nl er.lvr-rr JUNCTION SLOT [TAMP 2" 12 FIRMLY 6" To 12" \ I A-1—nu 0227014 I I Vh IL f VJI ROADWAY GATE PERSONNEL GATE NOTES: 1. PROVIDE LATCHING DEVICES TO HOLD GATES IN OPEN POSITION. 2. IF ROCK IS ENCOUNTERED WHEN SETTING POSTS, DRILL HOLES 4 INCHES LARGER IN DIAMETER THAN POSTS AND BACKFILL TO GRADE WITH CLASS "B' CONCRETE. o� �ALTH OF k 0 SANTOWASSO Lic No 045376 Ict)� STO E� � . NAL MZEN AND SAWYER Environmental ;Engineers & Scientists 4011',WestChase Boulevard, Suite 500 Raleigh, 'Nor'th Carolina 27607 NC License C -0381 TERMINAL FOLD TAAAD CI1D1A1 Y 2" VARIES 4' -0" FIL (Of ROCK CHECK DAM co 2 ACRES OR LESS OF DRAINAGE AREA: VDOT #1 CO. --- . --- T- FL( FIL (OF (DOWNSTREAM VIEW) 2 -10 ACRES OF DRAINAGE AREA: VDOT W COARSE AGGREGATE FLOW VARIES - SEE SITE PLAN (DOWNSTREAM VIEW) 3' " SLOPE AT 1/4:12 SLOPE AT 1/4:12 � 2' ASPHALT SURFACE COURSE 3.5' ASPHALT \TACK COAT - BASE COURSE , CUT SECTION NOTE: THE 1' ASPHALT CONCRETE SURFACE COURSE AND THE TACK COAT SHALL NOT BE PLACED UNTIL THIS CONTRACT AND THE ELECTRICAL CONTRACT IS COMPLETE AND HAS BEEN APPROVED BY THE ENGINEER. 0227003 41 -0" \` FILL SECTION —8' AGGREGATE BASE COURSE — COMPACTED SUB -GRADE TYPICAL ROADWAY SECTION 0251000 RIVANNA WATER AND SEWER AUTHORITY CHARLOTTESVILLE, VIRGINIA WATER TREATMENT PLANT GAC UPGRADES CLASS I RIPRAP CUT BACK EXIST SURFACE COURSE 6" MIN FROM BASE SLOPE EXIST SURFACE COURSE TACK COAT NEW ASPHALT PAVEMENT V SEE 0251000 CUT BACK EXIST BASE COURSE 12" MIN ASPHALT SURFACE COURSE, 2' MIN TACK COAT ASPHALT BASE COURSE, 3.5" MIN AGGREGATE BASE COURSE EXIST BASE COURSE TYPICAL PAVEMENT JUNCTION 0251301 ISSUED FOR BID DATE DECEMBER 2014 SITE DETAILS THE SCALE BAR SHOWN BELOW H & S JOB MEASURES ONE NUMBER 32135 -011 INCH LONG ON THE ORIGINAL CONTRACT DRAWING DRAWING. NUMBER NUMBER 1 D2 FLAT FILE