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MEDIAN 2' 0" a To orvmpcny p/ons doled or See Note 7--., See Note 7 w Q) .a SHEET T TAL3 11 DISTRICT COUNTVROUTE PL,stM les-Total Project H1._ 6" o ap c`n min. O S. S -/Z Zf2) L' :<LANE 4 2 wires 9, 0„6'-0” 6'-0" 2 wires w - J I 7-8 Note I No. 3 /2 PB` I C 2 12 AWG to controller Flexible conduit U D__8 APPROVAL RECOMMENDED LANE 3 4 wires 3'-09-0 4' 0" 7 8' 4 wires 12 Note 7 c° FLA rA Where practical a 6x6 Median LANE 2 6 wires 3'-0" 6'O" 119, 0„7, 8 6 wires 6 No.31/ 2 PB r d LA foot loop is desirable . Left LOOP-,%GZG LANE I 8 wires 6'-0° 1,- 6'-0'I, 6„ 8 wires Max• Turn TRAFFIC ENGINEEI— Note 4 4 WIreS 2 WIreS D .c REGISTERED CIVIL ENGINEER N0. 98' E 6FlexibleconduitFlexibleconduit I N O 101 LB I ane 0 4 wires N I I min. I APPROVED January 14 1970No- 3-1/ 2 pull box T" 2 min.No.3-1/ 2 pull box v x M o61 10'* 10't 101E STA GHWAY" E IN EPDXY FILL L-(rD e Detail C R ERED CIVIL E EER N0. 5645TYPICALTHRULANEINSTALLATIONTYPICALLEFTTURNLANEINSTALLATION tooJ TRAF C DETAIL IICIIDIAGONAL CORNER CUTS o/REcrioN TYPICAL LOOP DETECTOR INSTALLATIONSPourspecifiedepoxyresininslotorhole to cover conductors. Before setting, surplus Epoxy fill Pipe I/ 4 material shall be struck off and removed B 6 Base 5/69 SECTIONfromadjacentroadsurfaces . 3 turns copper Epoxy fill RE • 21/ " Std. alv.Epoxy 1/ q wire No. AWG I/ "8 t2 Sond Sensor cables in 2 9 fill N - 2 Lead- in wires for loops. fill saw cut to pull box steel pipe A5° 4S°Black insulation E min. (Use 2 wires for each loop) For detector spacing in lanes 2'min. 5/g' x 12 3/g'as specified) N a e. . . a.. a " - Sensing see signal plan Anchor bolts E - a Leads from lane I element 4 Q) o . Leads from lane 2 2 MAGNETOMETER SENSING ELEMENT INSTALLATION PROCEDURE Cut hole to Leads from lane 3 fit pipe SECTION A-A Leads from lane 4 1 Prepare holes for sensing elements and saw cuts in pavement for connecting cables as shown I'- 611 SECTION B -B i „ 3/inin details . Blow out and dry thoroughly with compressed air. Note : Conduits shall protrude /2 R 5 2 . Install termination pull box. etc. See termination details. 2"max. above finished 3 . Install heads in holes and install cables (see specifications ) in slots using 316' to 1/ 411 thick surface of foundation. BASE DETAIL LOOP INSTALLATION PROCEDURE paddle and run to termination pull box allowing 5 feet of slack at the pull box. PEDESTRIAN PUSH 1 . Saw slots in pavement for loop conductors as shown in details . Blow out and dry thoroughly with compressed air.4 . Fill slots and sensing element holes as shown in details. BUTTON POST 2 . Install termination pull box . etc. 5 . Identify cables by lane (traffic counting ) or sensor unit designation (traffic signal systems ). 3 . Install 4112 AWG loop conductor (see specifications ) in slots using a 316 to I/ 411 thick wood paddle allowing 6 . Splice sensing element cables to lead -in cables (where required ) or tape ends of cables Arrow to be left or right ° 0TOCROSSTOCROSf + , additional length for the run to termination g after testing ) to prevent entrance of moisture . All splices shall be soldered using rosin core solder S f or both as re wired ` STREETgpullboxplus5feetofslackinpullbox . This additional length g p p g PUS„ q PUSH BUBUTTONTTON Porcelain enameled WAIT FORWAITFORoconductorforeachloopcircuitshallbetwistedtogetherintoapair (at least 2 turns per foot) before being 7 . Test each sensing element circuit at controller or count station cabinet (or if these are not WALK H GREEN OSIGNALO 5 x73/4 sign black SIGNAL v run to pull box. installed , test at termination pull box ) before filling holes and slots . Excitation circuits shall letters white background 4 . Fill slots as shown in details. have a resistance of 50 ohms * per head and detection circuits shall have a resistance of FOR WALK- DONT WALK FOR 2 OR 3 LIGHT 300 ohms + per head . Measurements shall be made with a low range ohm- meter. SIGNAL SIGNAL 5 . Identify loop circuit pairs by lane (traffic counting ) or sensor unit designation (traffic signals). Or other resistance per manufacturers specifications. SIGNS 6 . Splice loop conductors to lead - in cable (where required ) or tape ends of conductor (after testing ) to prevent For mounting on Edge of Edge of Min. 2" Conductors or cables pedestrian push button Use onlyentranceofmoisture . All splices sholl be soldered using rosin core solder. End of conduit must post, provide fitter forshoulderIC (Min.) pavement rest on pavement ledge O top of post. when cifi7 . Test each loop circuit at controller or count station cabinet (or if these are not installed test at termination Pavement I specified pull box ) before filling slots . Perform a megger test between circuits and between each circuit and ground . Pavement Shape back of castingo to fit curvature of post Red & greenInsulationresistanceshallbenotlessthan100megohms . Test each loop circuit for continuity . Loop Base Off TYPE B Install push button on TYPE A indicator circuit resistance shall not exceed 2 ohms. Sub- base lightscrosswalksideof9 Sawed slot with standard.Termination Pull box Epoxy fill SIGN PEDESTRIAN PUSH ES Saw edge before trenching. EP 8 Contact unit 6' contact unit unless Splice Re lace in kind .Epoxy fill BUTTON otherwise noted boxTTGrounding a ,: : a . : . .. . . . . . :o .: . . 6ki : bushing 2"Min. PLAN VIEWTopoffoundationshallRoofingpaper Approx. 2 cu. 0 0 o obeflushwithpavement211sleevetoallow SHOULDER TERMINATION DETAIL surface.for drainage ft. of clean 9 crushed rock Pull boxIInspectionholesFoundationshallextend ELEVATION 8"outside of frame on a CurbNotrequiredforremovableSpliceto2No.l2 o Epoxy INSTALLATION NOTES pan type.all Sides . cable ,for run to Note I a 2 NOTE Control ler.1 . Detector position dimensions refer to contact unit . Contact unit These details supersede details showna . •"- •. :• . . a.. ,, on Standard Plan No. ES - 3B- II page 2 . Concrete under removable contact unit mounting pan shall be finished PLAN Min. I inch conduit Note 3 Note 4 Roadway no. 184 Of the Standard Plans dated flush with top of pan supporting angles. I . Non-metallic bushing shal I be used at roadway end of conduit. July, 1969. 3 . Detector contact unit surface shall be flush with rim of housing or no more 2 . Tape wire 3 inches each side of roadway bushing .1/e' higher , if low, unit shall be raised using one - piece, galvanized , sheet 3 . Install flexible compound on low side of roadway conduit before installing wire. metal shims with dimensions the same as the bottom surface of the 4. Round all sharp edges where wire has to pass.SPECIAL DETAILS contact unit . 5. End of roadway conduit shall be 2 inches below roadway. TRAFFIC SIGNAL AND HIGHWAY4 . Screw threads shall be coated with anti - seize compound . All screws shall be tightened securely.VEHICLE DETECTORS CURB TERMINATION DETAIL LIGHTING INSTALLATIONS TYPICAL DETAILS OF CONDUCTORS DETAILS N0. 3B PRESSURE SENSITIVE DETECTOR BETWEEN ROADWAY AND PULL BOX REV. 81 REDRAW. 7/17/69 10/15/69 1/2'min . was 1/ 411 1/14/70 - Rev. Detail SES - 36 " 15