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x 2' 0" MEDIAN cn Tr vrr• :mpany plans doled ��y /A /9_Z_ See Note 7 See Note 7 �' W .C. 6' 3' DISTRICT COUNTY ROUTE -T- LANE 4 2 wires I -6 6,-0° 6'-O" I - 6 , SHFETS 2 wires .0 w J� min. I /O S✓ Jr� 3 'Mdes roto P.o,ed 523 23 7-g No- 3Y2 PB I C 2012 AWG to controller g'-O" 1 �� Note I LANE 3 4 wires 3'-0" 4'- 0" 4 wires Flexible conduit =11v p APPROVAL RECOMMENDED 9-0 7L g 12 Note 7 c° r-A rA Where practical a 6x6 Median _ _ -o LANE 2 6 wires 3'-O" 6-0 foot loo I _ 9,-0„ 7, 8„ 6 wires Max No.31/2 PB �B LA N `'A p is desirable . Left Loop y{ 3 TRAFFIC LANE 1 8 wires 6'-O" 6'-0" 8 wires I'- " I'- " - /' 4 wires 2 wires 1� Turn c REGISTERED CIVIL ENGINEER N0. 9837 Flexible conduit I _ Note 4 1- L (D Lane Flexible conduit �, o_ I B Ibox--06T - o 0 mm. APPROVE_ January 14 1970 No. 3- /2 pull 2 min. No.3-1/2 pull box �� I 4 wires ' C i 1)J x F-1 _ X = O O 6 U E .- See Detail C 10': 10't 10'f RTA RED CIVIL EIN EER N0. 5645 EPDXY FILL L-r,(-) A TRAFF/C DETAILC " DIAGONAL CORNER CUTSTYPICAL THRU LANE INSTALLATION TYPICAL LEFT TURN LANE INSTALLATION TYPICAL LOOP DETECTOR INSTALLATIONS Pour specified epoxy resin in slot or hole DIRECT/ON Epoxy fill Pipe 1/4 to cover conductors. Before setting, surplus Base material shall be struck off and removed B 6 X5/69 from adjacent road surfaces . Epoxy /" 3 turns copper Epoxy fill �� o/ SECTION 14 wire No. l2 AWG - I/ " 8"t2" Sand Sensor cables in - 21/2' Std. gaIv. fill (Black insulation �N E ? Lead- in wires for loops. �_ fill saw cut to pull box steel pipe A5° 4S0 v, as specified) min. (Use 2 wires for each loop) For detector spacing in lanes '`' 2'min. 5/g' x 12 " �3/g ' o.` " e Cli c Sensing we si nal Ian Anchor bolts 19 >` ° Leads from Ione I element g p 4� ' 2 0 . '0 Leads from lane 2 MAGNETOMETER SENSING ELEMENT INSTALLATION PROCEDURECut hole to cD - Leads from lane 3 fit pipe SECTION A-A Leads from lane 4 I . Prepare holes for sensing elements and saw cuts in pavement for connecting cables as shown I'-6" SECTION B -B in details . Blow out and dry thoroughly with compressed air. V'. R 5 „ 3/4holes Note : Conduits shall protrude 2 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 3/6' to 1/4" 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 I . 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 Ione (traffic counting ) or sensor unit designation (traffic signal systems ). 3 . Install 4112 AWG loop conductor (see specifications ) in slots using a 3/ " to I/ " thick wood paddle allowing 6 . Splice sensing element cables to lead -in cables (where required ) or tape ends of cables 16 4 g OTO CROSS / Arrow to be left or right OTO CROS M additional length for the run to termination pull box plus 5 feet of slack in (after testing ) to prevent entrance of moisture. All splices sholl be soldered using rosin core solder. STREET / or both as re required --,,., STRE T p pull box . This additional length 9 PUSH q �. PUSH W of conductor for each loop circuit sholl be twisted together into a pair (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 WALKOR Porcelain enameled WAR BUTTON ON O SIGN ALO GREEN run to pull5 x 73/4 sign block SIGNAL 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 . Identifyloo circuit airs b lane (traffic counting ) or sensor unit designation ( traffic signals). SIGNS � p p y 9 9 9 + Or other resistance per manufacturers specifications. 6 . Splice loop conductors to lead - in cable (where required ) or tape ends of conductor (after testing ) to prevent IN For mounting on Min. 2" Conductors or cables entrance of moisture . All splices shall be soldered using rosin core solder. Edge of Ed a of ` pedestrian push button y shoulder g End of conduit must post, provide fitter for when only I C (Min.) pavement I rest on pavement ledge top of post. 7 . Test each loop circuit at controller or count station cabinet (or if these are not installed , test at termination Pavement o 0 specified pull box ) before filling slots . Perform a megger test between circuits and between each circuit and ground . Pavement g Shape back of casting to fit curvature of post Red agreen Insulation resistance shall be not less than 100 megohms . Test each loop circuit for continuity , Loop Base TYPE B Install push button on TYPE A indicator circuit resistance shall not exceed 2 ohms. Sub- base crosswalk side of lights Termination Sawed slot with standard. Epoxy fill Pull box PEDESTRIAN PUSH . Contact unit 6' contact unit unless Splice ES Saw edge before trenchingE P otherwise noted Replace in kind. Epoxy fill BUTTON a SIGN - - - - - - - - - - - box OD Grounding :: .. . bushing 2"Min. PLAN VIEW Top of foundation shall Roofing paper o 0 be flush with pavement 2so sleeve to allow Approx. 2 cu. o 0 0 0 0 o SHOULDER TERMINATION DETAIL AV—surface. for drainage ft. of clean 9 crushed rock Pull box I Inspection holes Foundation shall extend : .•. ELEVATION 8 outside of frame on Curb Not required for removable Splice to 2 No.12 :� Epoxy INSTALLATION NOTES pan type. all sides . cable for run to y Note 1 a 2 NOTE Contra v �� o °' :� REv These details supersede details shown I . Detector position dimensions refer to contact unit . Contact unit a : 'o':: : . '. :o.. : 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 Roadwoy n Standard of the Standard Plans dated flush with top of pan supporting angles. I . Non-metallic bushing shall 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/g' 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 C L DETAILS contact unit . 4 . Screw threads shall be coated with anti - seize compound . All screws shall S. End of roadway conduit shall be 2 inches below roadway. TRAFFIC SIGNAL AND HIGHWAY be tightened securely. VEHICLE DETECTORS CURB TERMINATION DETAIL LIGHTING INSTALLATIONS PRESSURE SENSITIVE DETECTOR TYPICAL DETAILS OF CONDUCTORS BETWEEN ROADWAY AND PULL BOX DETAILS NO. 3B REV. a REDRAW. 7/17/69 1 10/15/69 - 1/2'min . was 1/4" (/14/70 - Rev. Detail SES - 313 ' 15 r- 170