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<br /> OBI 6, Delays/ • • J CONT.
<br /> I. The controller shall be a type 90 device with 6 phases in an 8 phase frame and shall be wired for the ` �' 5PEt 16. Advance Flashing Beacons(Temporal
<br /> addition of pedestrian modules to be installed in the future. It shall be furnished complete with modules and 031 Pei I I © a. The Contractor shall install two (2) temporary Advance Flashing Beacons on West Lane as shown On the plans.
<br /> detector equipment and other miscellaneous equipment including solid state load switches, flashers, wiring, etc.,as ��-�_____ _ _ _ _ _ 1 OB b. The County shall furnish two (2) type I-B standards and two (2) flasher mechanisms. The material can be picked up at the County
<br /> necessary to provide the operation shown on the plans and described in the specifications. 1 --- - - -- - _ � corporation yard,
<br /> 2. The controller shall be installed in a Type M extended cabinet as described in the special provisions. i - -;- C' c. The Contractor shall furnish the riser materials,meter sockets, service switches, weather-proof canto house switches and flasher
<br /> 3. Final location of standards and loops well be determined in the field by the resident engineer. �1 I ; mechanisms, signal heads and all necessary material to complete the installation in accordance *ith Standard Plan Sheet No. ES-2B-6.
<br /> a 4. The wiring and layout of the multiple loop configuration shall be connected series-parallel in accordance with - �;' I ' 1 d Full compensation for furnishing all labor materials except Count furnished material and inci ntals for doing all
<br /> I 9 � p Y � g work Involved
<br /> the manufactures specifications. including electrical service complete in place shall be considered included in the lump sum payrnent and no further allowance shall
<br /> 5. The controller shall be furnished with six (6) type " dp" modules. � i r� U be made therefore
<br /> 6. All most arm signal heads shall have a1V "12' sections. _ ; i 1 ' + I'c-2+Io e. The payment for removal and salvaging temporary g
<br /> I p y g'ng of the tem orar Advance Flashing Beacons installaions shall be considered Included in
<br /> 7. Control unit for magnetometer detectors shall be the permanent time delay type and shall signal continually the LI 4IJ3jPB.
<br /> the unit price paid for Item No. 4 , Highway Lighting and Traffic Signals.
<br /> presence the of any vehicle until) the vehicle leaves the area of detection, whereupon vehicle call shall drop after i 17. ORDER OF WORK
<br /> a delay which shall be adjustable from approximately 0. 10 second to 3.0 seconds. The final location of the- I a. All necessary work which is required to place the temporary Advance Flashing Beacons as spegified in Item No. 5, in operation shall
<br /> magnetometers shall`,be according to the manufacturers recommendation. be completed prior to January 7, 1974.
<br /> 8. Each pair of adjacent magnetometer sensor elements-'ie: "Al D20 & A I D2b" shall be spliced to their home-run i b When the permanently installed Advance Flashing Beacons at locations Q and Q are Installs' d and operational, the temporary
<br /> cable in the nearest pull box. I 1 Advance Flashing Beacons shall be removed and salvaged by the Contractor and delivered to the County Corporation Yard.
<br /> 9. Each home-run ' four conductor cable" for magnetometers indicates a separate amplifier channel. I y I 18. The Contractor shall furnish all materials for installation of the electrical service for the entir system including the temporary
<br /> IQ The contractor shall install six (6) 6' x6' loops for phase B2,as shown on the plans,with separate leads to the I i Advance Flashing Beacons and shall perform all necessary work in connection with the installation therewith or shall reimburse the
<br /> pull box and shall connect four (4) loops as directed by the resident engineer. I i 1't-2e10 4=1 utility company in so doing in accordance with the requirements of the company.
<br /> 11. The advance flashing beacons shall have 12 sections. i I I n BUILT
<br /> 12. Extreme care shall be used in the installation of all most arm standards. n
<br /> 13. Location of utilities shown are approximate and should be verified prior to beginning of work in the area i o CORRECTIONS BY D. Rock -
<br /> 14 Advance flashers on overhead standards shall be alternating. I I �34P.B.
<br /> 15. Loops designated as delay, shall be connected to delay circuits in the controller. This circuitry shall prevent a t= NO CHANGES
<br /> call from entering the controller unit for an adjustable period of time of 0- 15 seconds as described in the O I ,TE
<br /> special. ,provisions.
<br /> PROJECT ENGINEER DATE CHECKED BY DATE SUBMITTED B'1' DATE APPROVAL RECOMMENDED BY DATE ' SHEET TpTAI
<br /> Traffic Signal System PROJECT WES'- LN. & EIGHT MILE Rn
<br /> No. SHEETS
<br /> --_-_ _ --- ____-- --__-- COUNTY OF SAN JOAQU N Scale None ,
<br /> �,,�,`/'
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<br /> Tr tic En / NOV. 1973 Junior Civil Eno. Nov. 1973 Tro k Engineer Nov.1973 A us't to of u` IWorks ---
<br /> Nov.1973 West Lane at Eight Mile Road DRAWING N0 . TIRAFFIC SIGNAL SYSTEM 2 4
<br /> W` S '1
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