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HomeMy WebLinkAbout20150922 Ver 1_Alleghany 61_11192014_201509083ENCHMARKe BM'�1: —L— 12+54 32' RT W 9726H2e33. E 1347967e10) RR SPIKE IN 12"OAK, ELEV, 2904�40' NAVD 88 C SINGLE 25'-2°X 6'-2" ALUM1NlJM BOX CULVERT STAe 13+O1v00 —L— � CLAS� I :�'P :�AP (SEE ROA�WAY PLANS)� (TYP.) � / I � � \ `\ � � � � � � � O � � � �o � �� �3I2 eP° � XISTING BRIDGF �i � � NOTES ASSUMED LIVE LOAD ----------HL-93 OR ALTERNATE LOADING. DESIGN FILL----------—-----—MINe I'-6", MAXe 2'-10"e MATERIALS SHALL MEET THE REQUT_REMENTS OF THE NCDOT STANDARD SPECIFICATIONS FOR ROADS AND STRUCTURES DATED JANUARY 2012. THE DETAILS SHOWN ARE FOR GENERAL LAYOUT ONLY.THE SLIPPLIER SHALL PROVIDE DESIGNS AND DETAILS TNAT MEET THE REQUIREMENTS OF AASHTO SECTION 12 AND ARE SEALED BY A NORTH CAROLINA REGISTERED PROFESSIONAL ENGINEERe LJNLESS OTHERWISE INDICATED,iHE SIJPPLIER SHALL DESIGN,DF'qT!; AND FURNISH ALL STRUCTURAL ELEMENTS AND FIARDWAREe FOR CULVERT DIVERSION DETAILS AND PAY ITEM,SEE EROSION ' n CONTROL PLANS ro vaNCENT cTVP}� —� — — — � — �i 18'-0' 18 _'� 36'-0' � � � � � �O � � O � L n � � / I �� LOCATION SKETCH FOR UTILITY INFORMPTION. SEE UTILITY PLANS AND SPECIAL PROVISIONS. 5�—z�i�c„ 29'-7 %8„ � 29'-5 %n" 29'-0 �EL. 2906.78'� � � EL. 2905.41'± EL. 2902.17'= EL.7_897.67'± ELe2897.74'± ASSEMBLED BY : CCC DATF : 9/I`� CHECKED BY ; JBW DATE � 9/14 SPECIAL �� \ � � ���� � \ � o,�� � � ��� �� Ge�e �L C� S�I�Ae 13+01.00e 2907e25' BED ELe C� S�iAe 13+OIv00e 2899e6' ROADWAY SLO!'FSe 2e1 � —L—-� �I� I � i6�—o„ I FOR OTHER DESIGN DATA AND NOTES SEE STANDARD NOTE SHEET, FOR SUBMITTAL OF WORKING DRAWINGS,SEE SPECIAL PROVISIONSe FOR FOUNDATION MATERIAL,SEE SPECIAL PROVISIONSe FOR CRANE SAFETY,SEE SPECIAL PROVISIONSe FOR GROUT FOR STRUCTURES,SEE SPECIAL PROVISIONS. FOR ALUMINUM BOX CULVERT,SEE SPECIAL PROVISIONSe FOR CULVERT BACKFILL,SEE SPECIAL PROVISIONS. THE RESIDENT ENGINEER SHALL CHECK THE LENGTH OF THE CULVERT BEFORE STAKING IT OUT 70 MAKE CERTAIN THAT IT WILL °ROPERLY TAKE CARE OF THE FILL. THE EXTSTING STRUCTURE CONSISTING OF (ll30'-6"TIMBER FLOOR ON I—BEAMS,END BENTSeTIMBER CAPS/TIMBER POST AND SILLS SHALL BE REMOVEDe REMOVAL OF THE EXISTING BRIDGE SHALL BE PERFORMED SO AS NOT TO ALLOW DEBRIS TO FALL INTO THE WATER.THE CONIRACTOR SHALL REMOVE THE BRIDGE AND SUBMIT PLANS FOR DEMOLITION IN ACCORDANCE WITFI ARTICLE 402-2 OF THE STANDARD SPECIFICATIONS. INASMUCH AS THE PAINT SYSTEM ON THE EXISTING STRUCTURE STEEL CONTAINS LEAD.THE CONTRACTOR'S ATTENTION IS DIRECTED TO ARTICLE 107-1 OF THE STANDARD SPECIFICATIONS.ANY COSTS RESULTING FROM COMPLIANCE WI7H APPLICABLE STAIE OR FEDERAL RtGULATIONS PERTaINING TO HANDLING OF MATERIALS CONTAINING LCAD BASED PAINT SFIALL BE INCLUDED IN THE BID PRICE FOR 'REMOVAL OF EXISTING STRUCTURE AT STATION 13+01v00 —L—e" EXCAVATE 1'BELOW THE CULVERT AND FOOTING AND RFPI_ACF WIiH FOUNDATION CONDITIONING MATERIAL IN ACCORDANCE WITH ARIICLE 414 OF 7HE STANDARD SPECIFICATIONS. NO WORK SFIALL BE DONE ON THC CULVCRT AT STAe13+01v00—L— UNTIL THE AREA 0� THE BOX CULVERT HAS BEEN UNDERCUT TO ELEVPTION 2897e6' AND UNSUITABLE MATERIAL REPLACED WITH SUITABLE MATERIAL, PROPERLY COMPACTED TO THE ELEVATION OF THE BOTTOM OF TNE PRQPOSED CULVERT.THE LIMITS OF THIS UNDERCUT ELEVATION ShALL E3E AI LEAST THE LIMITS OF IHE BOX CULVERT INCWDING THE WINGSD NO SEPARATE PAYMENT WILL BE MADE FOR ANY TEMPORARY SHEETING, UNDERCUT,OR UNSUI7ABLE MATERIAL REPLACEMENT AS REQUIRED TO CONSTRUCT THE PROPOSED CULVERT.PAYMENT IS INCWDED IN THE W MP SUM PRICE FOR CULVERT EXCAVATIONe NATIVE MATERIAL EiETWEEN BAFFLES 1N THE CULVERT SHALL PROVIDE A CONTINUOUS LOW FLOW CHANNELeNATIVE MATCRIAL CONSISTS OF MATERIAL TFIAT IS EXCAVATED FROM THE STREAM BED OR FLOODPLAIN AT THE PROJCCT SITE DURING CONSTURCTION.ONLY MATERIAL EXCAVATED FROM THE STREAM BED MAY BE USED TO LINE THE LOW FLOW CHANNEL.CLASS B RIP RAP MAY BE USED TO SLJPPLEMENT THE NATIVE MATERIAL IN THE HIGH FLOW PORTION OF THE BARREL.IF RIP RAP IS USED,NATIVE MATERIAL SHALL BE PLACED ON TOP TO FILL THE VOIDS AND PROVIDE A�LAT SURFACE �OR ANIMAL PASSAGEeNATIVE MATERIAL IS SUBJECT TO APPROVAL BY T'���I� ENGIN�ER AND MAY BE SUBJECT TO PERMIT CONDITIONSe 16'-0" 18'-109�5�� 1 T'-2��6" 1 — — — ELe 289He83 , � � � . � EL.2896.05'� / � —�I 9RQR 91'+ �i �ac� Gi�+ ELe 2897e96' 1� PROFILE A�ONG � CU�VERT Fi e z�so.ah�• � EL. 2895.03'= ELe 2888.79' � —I aacanaeo ev rGS nuGlrcEEr+s 00A N L FAYEiiE Si SHEL9T.NC 20150 TOTAL STRUCTURE QUANTITIES REMOVAL OF EXISTING S-RIJCT'JI�E WI�° SUM %� STA. 13+01.00—L— 4UJMINUM 130X CULVERT LL1MP SUM C� STA. 13+01.00—L— CLILVERT EXCAVATION LUM� SUM �OUNDATION MATERIAL 68 TONS CLILVERT BACKFILL 260 TONS CONCRETE HEADWALLS q3e8 CeYe REBAR AS NECFSSARY W M° SUM FOR 116ADWALLS I—IYDRAULIC DATAa DESIGN DISCHARGE �REOUENCY OF DCSIGN DISCHARGE DESIGN HIGH WATER ELEVATION URAINAGE AREA BASE DISCHARGE �RECIUENCY QF BASE DISCHARGE BaSE HIGH WATER ELEVATION CVERTOPPING FLOOD DATAe 470 CFS 25 YRS. 2904.3' 1e26 SQe MI� 700 CFS 100 YRSe 2905.72' OVERTOPPING DISCHARGE 550 CFS FREQUENCY OF OVERTOPPING FLOOD 50 YR� OVERTOPPING FLOOD ELEVATION �2905e28' �OVCRTOPPING ELEVATION REPRESENTS ELFVATION C� SAG (—L— STA. 11+25, 9' LT) I HEREBY CERTIFY THESE PLANS ARE THE AS—BUILT PL�NSe SEAL PRELIMINARY PI,ANS DO NOT USF. FOR CONSTRL"CTION PROJECT N0, 17BPo11oRo61 ALLEGHANY COUNTY STATION� 13+01o00—L— S`IEET 1 OF 3 REPLACES BRe NOe 0200oi S?A'F. OF NORTH CAROLINA DEPARTMENT OF TRANSPORTATION RA�E���� SINGLE 25'-2" X 6'-2" ALUMINUM BOX CULVERT C� 9 0 ° REVISIONS SFF_ET N0. N4., BY: DATE: N0. BY: �AiF: C—I �'I � � TOTAL_ z ELe 2906e57' TOP OF HEADWALI_ (LEVEU INVERT ELe 2898�49' c� OUTLE � GEOGRID �a 1' ABOVE CULVCRT I 1'-S" i'-6"MINe COVER I WIROA�WCUL ERTTERSECTION I 2'-10" MAXe COVER 36'-0"= CU�VEf�T LENGTH I 1,_3„ 18'-0"= ROADWAY WIDTH OeG4 I Oe04 Ov0 �2 r— _ � �'-3`(TYPJ I Ov006'/' � I �I �IN ERT ELe 2898e60' a � ROADWAY CU�VERT SECTION NORMAL TO ROADWAY 36'-0"= LCNGTII OF CULVE�- 1£�'-0" 18'-0" WI � o � CULV��R� -_-� I I 1 i 5��„ � W3 �I 3'-0" � I I 15'-Q'-* FLOW OUTLF.T � � (���.) BAF�L� � o oo�� � oo �0 I o o � a°o �� ��°000°000 0� o°v�0o-�oc °0°0�0000����°000000 o°00O ° ��O ° � 90°00'0�" � � CULVER i �� � TO TANGENT � ; ow �z N ° i.,_ z � -- — ---------- � ---------r -- �,�a N i o� ��°'� I I I \ I � �STAe13+0iv00 -L- �,o 00 g �7 0 o00°OOO oo�o�Q�o o� . ° °�O y� h �D�00000�o�CQO� Oo� o�o°D°d o���00���0� I� � 2,_�„ 0°0�000 ��o � INLET � BP�!:_:���� � BAFFLE � lis�6„ W2 � � ° W4 I PLAN OF ALUMINUM BOX CULVERT ELe 2907e76' i0P OF HEADWALL (LEVEU INVERT EL.2898.71' C� INLET NOTE, CONCRETF HEADWALLS SHALL BE DESIGNED TO ACCOMODAT TRArFIC LOADING. CONCRETE HEADWALLS MUST BE DYED TO MATCH U� DEPARTMENT OF THE INTERIOR NATIONAL PARK ScRVICC SP�CTFICATIONS. �� � � �� �w �J N z H G ri ii vcn r - MSN. ��. 29D7.76' �n z H v � END E�EVATION OF INLET - NORMAL TO SKEW (LOOKING DOWNSTREAM) � w ' J E � � 0 CONCRETE � CULVE�'—n� �MINe ELe 290oe57' HEADWALL I W2 � WZ CLASS I RIP RAP �.�i � N �� 5 ti � � i 1�° � � `9 m o o � � � %� VARIES 9'-0" �'�VARIES , 8A� i=LE LOW FLOW CHANNEL � BAFFLE `� z, o� � 7'-0" 2S'-2"SPAN 10'-0" END ELEVATION OF OULET - NORMA� TO SKEW (I OOKII�G �OWNS7RFAMl � C LOW FLOW CHANNEL TO BE LOCATED AT C� �XTSTING STREAM BED AT INLET AND OUTLET OF CULVCRTe LOW FLOW CHANNEL 1N 3AFFLES SHALL BE LOCATED IN A STRATGFIT LINE 86TWEEN ?I-�E INLET AND OUTLET — CLILVERT FLOW CHANNFLS. IN'�RNA� PROJECT NOa 17BPa11oRa61 BAFFLE ALLEGHANY COIJNTY STATIONo 13+01o00—L— I SHEE1 2 OF 3 F�EPLACES BRe N0, 020061 � VARIES � 9'-0" � � VARIES � BAFFLE LOW FLOW CHANNEL BAFFLE ' ZS'-2" SPAN _ CULVERT INTERNAL SECTION (LOOKING DOWNSTREAM) � PRELIMINARY PLANS `�`°°��� a` ��s E���EE�s BOA x LFF4YEiiE Si DO NOT USE FOR CONSTRUCTION �"E�a` "� �a'�° DESIGN DATAo SPECIFICATIONS — — — — — � — — — — — — — — � AvAeSaH.TeOe (CURRENT) LIVE LOAD ————————————————— SEE PLANS IMPACT ALLOWANCE — — — — — — — — — — — — — — SEE AvAeSeHe7v0. STRESS IN EXTREME FIBER OF STRUCTURAL STEEL — AASHTO M270 GRADE 36 — 20,000 LBS.PER SC1.IN. — AASHTO M270 GRADE SOW — 27,000 LBS. PER SCle INe — AASHTO M270 GRADE 50 — 27s000 LBSePER SQeTNe REINFORCING STEEL IN TENSION C��l��C 60 —— 24,000 LBS� PER SQ. INe CONCRETE IN COMPRESSION — — — — — — — — — — 1,200 LBS, PcR SCl. INo CONCRETE IN SHEAR — — — — — — — — — — — SEE A.AeSeHeT.Oe STRUCTURAL TiMBER — iREATED OR UNTREATED — EXTREME FIBER STRESS ————— 1,800 LBS. PER SQ. IN. COMPRESSION PERPENDICULAR TO GRAIN OF TIMBER — — — — EQUIVALENT FWID PRESSURE OF EARTH ————— MAIERIAL AND WORKMANSH1Po 375 LBS. PER SQ. INe 30 LBS. PER CU. FT. (MINIMUM) EXCEPT AS MAY OTHERWISE BE SPECIFIED ON PLANS OR IN THE SPECIAL PROVISIONS, ALL MATERIAL AND WORKMANSHIP SHALL BE IN ACCORDANCE WITH THE 2012 "STANDARD SPECIFICATIONS FOR ROADS AND STRUCTURES"OF THE Ne C. DEPARTMENT OF TRANSPORTATIONe STEEL SHEET PILING FOR PERMANENT OR TEMPORARY APPLICATIONS SHALL BE HOT ROLLED, CONCRETEo UNLESS OTHERWISE REQUIRED ON PLANS,CLASS A CONCRETE SHALL BE USED FOR ALL PORTIONS OF ALL STRUCTURES WITH IHE EXCEPTION IHATe CLASS AA CONCRETE SHALL BE USED IN BRIDGE SUPERSTRUCTURES, ABUTMENT BACKWALLS,AND APPROACH SLABS4AND CLASS B CONCRETE SHALL BE USED FOR SLOPE PROTECTION AND RIP RAP. CONCRETE CHAMFERSo UNLESS OTHERWISE NOTED ON THE PLANS,ALL EXPOSED CORNERS ON STRUCTURES SHALL BE CHAMFERED 3/4"WITH THE FOLLOWING EXCEPTIONS: TOP CORNERS OF CURBS MAY BE ROUNDED TO 1-1/2"RADIUS WHICH IS BUILT INTO CURB FORMSg CORNERS OF TRANSVERSE FLOOR EXPANSION JOINTS SHALL BE ROUNDED WITH A 1/9°FINISHING TOOL UNLESS OTHERWISE REQUIRED ON PLANS;AND CORNERS OF EXPANSION JOINTS IN THE ROADWAY FACES AND TOPS OF CURBS AND SIDEWALKS SHALL BE ROUNDED i�0 A 1/4"RADIUS WITH A FINISHJ.NG STONE OR TOOL UNLFSS OiH�RWISt RECIUTRED ON PLANS. DOWELSo DOWELS WHEN INDTCaTED ON PLANS AS FOR CULVE�7 FX7FNS:DNS,SHA1_L BE EMBEDDED AT LEAST 12"ZNTO TflE OLD CONCRETt AND GRQUTED INTO PLACE WITH 1:2 CEMENT MORTARe REV. 6-16-95 EEM O RGW REV. 5-7-03 RWW O JTE REV.8-16-99 RWW OLES REV. 5-1-06 TLA OGM STANDARD NOTES A��OWANCE FOR DEAD �OAD DEF�ECTION,SETT�EMENT ETCeIN CASTING SUPERSTRUCTURESe BRIDGES SHALL BE BUILT ON THE GRADE OR VERTICAL CURVE SHOWN ON PLANSe SLABS,CURBS AND PARAPETS SHALL CONFORM TO THE GRADE OR CURVEe ALL DIMENSIONS WHICH ARF GIVEN IN SECTION AND ARE AFFECTED BY DEAD LOAD DEFLECTIONS ARE DIMENSIONS AT CENTER LINE OF E3EARING UNLESS OTHERWISE NOTED ON PLANSe 1N SETTING FORMS FOR STEEL BEAM BRIDGES AND PRESTRESSED CONCRE7E GIRDER BRIDGES,ADJUSTMCNTS SHALL BE MADE DUE TO THE DEAD LOAD DEFLECTIONS FOR THE ELEVATIONS SHOWN. WHERE BLOCKS ARE SHOWN OVER BEAMS FOR BUILDING UP TO THE SLAB,THE VERTICAL DIMENSICNS OF THE BLGCKS SHALL BF ADJUSTED CETWEEN CEARINGS TO COMPENSAIE FOR DEAD LOAD DEFLECTIONS,VERIICAL CURVE ORDINATE,AND ACTUAL BEAM CAMBERe WI—IERE BOTTOM OF SLAB IS IN LINE WITH BOTTOM OF TOP FLANGES,DEPTH OF SLAB BETWECN BEARINGS SHALL BE ADJUSTED TO COMPENSATE FOR DEAD LOAD DEFLECTION,VERTICAL CIJRVE ORDINATE,AND ACTUAL BEAM CAMBER. IN SETTING FALSEWORK AND FORMS FOR REINFORCED CONCRETE SPANS,AN ALLOWANCE SHALL QE MADE FOR DEAD LOAD �EFLECIIONS,SEITLEMENT OF FALSEWORK, AND PERMANENT CAMBER WHICH SHALL BE PROVIDED F0� IN ADDITION TO THE ELEVATIONS SHOWNe AFTER REMOVAL OF THE FALSEWORK,THE FINISHED STRUCTURES SHALL CONFORM TO THE PROFILE AND ELEVATIONS SHOWN ON THE PLANS AND CONSTRUCTION ELEVATIONS FURNISHED BY THE ENGINEFR. DETAILED DRAWTNGS FOR FALSEWORK OR FQRMS FOR BRIDGE SUPERSTRUC�IJFi�- AND ANY STRUCTURE OR PARTS OF A S?RUCTURE AS NOT�� ON ?NF PiqNS SHALL BE SUBMITTED TO THE ENGINEER FOR APPROVAL BErORE CONSTRUCTIQN OF THE FALSEWORK OR FORMS IS STARTEDe REINFORCING STEELo ALL REINFORCING STEEL SHALL BE DEFORMEDe i�T_MENSlONS �EiqT NE TO PLACEMENT OF REINFORCING ARE TO CFNTERS OF BARS UNLESS OTHERWISE INDICATFD IN THE PLANSe DIMENSIONS ON BAR GETAILS ARE TO CENTERS OF BARS OR ARE OUT TO OL1T AS INDICATCD ON PLANS. WIRE BAR SUPPORTS SHALL BE PROVIDCD FOR REINFORCING STEEL WHERE INDICATED ON THE PLANSe WHEN BAR SUPPORT PIECES ARE PLACED IN CONTINIJOUS LINES,THEY SHALL BE SO PLACED THAT THE FNDS OF THF SIJPPORTING WIRES SHALL l3E LAPPED TO LOCK LEGS ON ADJOINING °IFCES. STRUCTURA� STEELo AT THE CONTRACTOR'S OPTION,HE MAY SUBST1TlJ'F 7/8°0 SHEAR STUDS FOR THF 3�q" 6 STUDS SPECIFIED ON THE PLANSe THIS SUBSTITUiION SHALL DE MADE AT THE RATE OF 3— 7/8"!7� STUDS FOR 4— 3/4"� STUDS,AND STUD SPACING CHANGES SHALL BE MADE AS NECESSARY TO PROVIDE THE SAME EQUIVALENT NUMBER OF 7/8"PJ S1��U�S ALONG THE BEAM AS SHOWN FOR 3/4"PS STUDS BASED ON THE RATIO OF 3— 7/8"� STUDS FOR 4— 3/4"�S STUDS. STUDS OF THE LENGTH SPECIFIED ON THE PLANS MuSi BE PROVIDED. THE MAXIMUM SPACING SHALL 13E 2'-0". EXCEPT AT THE INTERIOR SUPPORTS OF CONTINUOUS BEAMS WHERE THE COVER PLATE IS IN CONTACT WITH BEARING PLATE,THE CONTRACTOR MAY,AT HIS OPTION, SUBSTITUTE FOR THE COVER PLATES DESIGNATED ON THE PLANS COVER PLATES OF THE EQUIVALENT AREA PROVIDED THESE PLAiFS ARE AT LEAST 5/16"IN THICKNESS AND DO NOT EXCEED A WIDTH EQUAL TO THE FLANGE WIDIH LESS 2"OR A THICKNESS CQUAL TO 2 TIMES THE FLANGE TI—IICKNCSSe THE SIZE OF FILLCT WCLDS SHALL CONFORM TO THE REQUIREMENTS OF THE CURRENT ANS LAASHTO/AWS "BRIDGC WELDING CODE"e ELECTROSLAG WELDING WILL NOT BE PERMITTEDe WITH THE SOLE EXCEPTTON OF EDGES AT SURFACES WHICH BEAR ON OTHER SURFACES,ALL SHARP EDGES AND ENDS OF SHAPES AND PLATES SHALL BE SLIGHTLY ROUNDCD BY SUITABLE MEANS TO A RADIUS OF APPROXiMATCLY 1/16 INCH pR EQIJIVALENT FLAT SURF�C�� AT A SUTTAEL� �NGL� PRIOR TO fAINTING,GCLVANIZING, OR ME?ALLIZINGe REV. 10-1-11 MAA f 1 GM PRELIMINARY PI.ANS ll0 NO'C USF: FOR CONS1'RUC1'ION I��IANDRAI�S AND POSTSo METAL SIANDARDS AND FACES QF TIIE CONCRETE END POSTS FOR THE METAL RAIL SHALL 8E SCT NORMAL TO THE GRADE OF THE CURB, UNLESS OTI—IERWISE SI—IOWN ON PLANSe THE METAL RAIL AND TOPS OF CONCRETE POSTS USED WITH THE AW MINUM RAIL SHALL BE BUILT PARALLEL TO 7HE GRADE OF THE CURB. METAL HANDRAILS SHALL BE IN ACCORDANCE WITH 7HE PLANSe RAILS SHALL BE AS MANUFACTURED FOR BRIDGE RAILING. CASTINGS SHALL BE OF A UNIFORM APPEARANCEe FTNS AND OTHCR DEFORMATIONS RtSULTING FROM CASTING OR OTHERWTSE SHALL BC REMOVED IN A MANNER SO THAT A UNIFORM COLORING OF THE COMPLETED CASTING SHALL BE OBTAINED.CASTINGS WITH DISCOLQRA?IONS OR OF NON—UNI�ORM COLORT_NG WiLL NOT BE ACCEPTED.CERTI�IED MILI. REPORTS ARF RF_OLIIRED FCR METAL. RATI._5 AND POSTS. SPECIAL NOTES� GENERALLY,IN CASE OF DTSCRFPANCY,THIS STAN�ARD SEFF_T OF NO-FS SHALI_ GOVERN OVER IHE SPECIFICATIONS,QUT THE REMAINDER OF THE PLANS SHALL GOVERN OVER NOTES HEREON,AND SPECIAL PROVISIONS SHALL GOVERN OVER ALLe SEE SPECIFICATTONS ARTICLE 105-4e PREPaREO ar res ENCiNEEas 804 N LAFAYEiiE S� SHELBY, NC 28150 PROJECT Noo 17BPo11oRo61 AL�EGHANY CouNTY STAT�oNo 13+01000—�— SHEET 3 OF 3 STDo NOo SN