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HomeMy WebLinkAbout3.2-611ROSEDALE HWY a P P� N. T. S. STOCKDALE N e�-V0 5 4 b °D MING AVE PROJECT VICINITY VICINITY MAP SCALE: NONE BENCH MARK USED TOP OF CONCRETE MONUMENT IN LAMPHOLE AT THE CENTERLINE INTERSECTION OF STOCKDALE HIGHWAY AND CALLOWAY DRIVE. ELEVATION = 372.455 (USGS DATUM) INDEX OF SHEETS SHEET TITLE 1. COVER SHEET 2. TRAFFIC SIGNAL 3. SPECIFICATIONS 4. SPECIFICATIONS CITY OF BAKERS FIELD = C, 0 0 KERN COUNTY CALIFORNIA O �m TRAFFIC SIGNAL PLANS Z FOR Lo Of INTERSECTION OF MING AVENUE AND GRAND ISLAND, AVENUE V r ice\ �1,�Z� ►~ ES-1A ES -48 3 ES -6RA T -11 ES -1B ES -5A ES -6S T -12 ES -2D ES -513 ES -6T T -13 ES -3A ES -5C ES -8 ES -313 ES -5E ES -10 ES -3C ES -6A ES -11 ES -3D ES -6Q ES -13 ES -3E ES -6R ES -68 BAKERSFIELD CITY STANDARDS SW -8 T -4 ST -9 T -5 ST -14 ST -19 S-40 KEY MAP SCALE: 1"=200' NOTE: 1. PRIOR TO THE START OF ANY PHASE OF CONSTRUCTION, THE CITY CONSTRUCTION INSPECTION DEPARTMENT SHALL BE GIVEN 24 HOURS NOTICE. TELEPHONE 326 -3049 2. COMPACTION TESTS WILL BE THE SUBDIVIDERS RESPONSIBILITY. NUMBER AND LOCATION OF THE TESTS TO BE DETERMINED BY THE CITY ENGINEER. 3. ALL MATERIALS SUPPLIED FOR THIS PROJECT WILL REQUIRE A CERTIFICATE OF COMPLIANCE STATING THAT THE REQUIREMENTS & STANDARDS AS SET FORTH BY THE CITY OF BAKERSFIELD HAVE BEEN MET. ENGINEER'S STATEMENT THESE PLANS AND SPECIFICATIONS WERE PREPARED BY ME OR UNDER MY DIRECTION AND TO THE BEST OF MY KNOWLEDGE AND BELIEF COMPLY WITH CITY OF BAKERSFIELD ORDINANCES, STANDARDS, AND DESIGN CRITERIA, AND INCLUDE ALL IMPROVEMENT REQUIREMENTS OF THE ADVISORY AGENCY OR OTHER REVIEW BOARD. I AM RESP N"NC ULATIONS AND DRAWINGS ON THESE PLANS AND Al ERR VIOLATIONS THOSE ORDINANCES, STAND RDS A L BE RECTED DURING CONSTRUCTION. APPROVED B 0 cINTOSH R. E. 3322 DATE EXP. 6 -30 -08 APPROVED BY: RAUL M. ROJAS PUBLIC WORKS DIRECTOR DATE R.C.E. 39880 EXP. 12 -31 -07 REVIEWED BY: ASSIS ANT OUBLIC WORKS DIRECTOR REVIEWED BY: TRAFFIC ENGINEER oll m 3 3 m ZZ V) oC. Z o t-- tz m m > N V) W w if w CD Co CD O Co O mmm 000 6 CJ U M: K d' LoWw �Qa » > WWW Wooer 0 �Co 212U 212L SCALE:1 " = 20' 10 0 20 40 20 5 ----- 20 214UI 214LI EE - POLE SCHEDULE 02 & 05 I-- T 01 & 06 MAST ARM SIGNALS SIGNS --I T LOC. STANDARD REMARKS LIGHTING ® Pull box In front of controller shall be #6. All others shall be #5 unless otherwise noted. WALK W -DW PPB and make connections for power. CONDUIT RUN (REFER TO CONDUCTOR SCHEDULE) ® Luminaires shall be cutoff type, 200 W. HPSV. SIGNALS VEHICLE DON'T WALK 0 0 ST NAME SIGN 8 PEDESTRIAN SIGNAL ® All unused, salvaged material shall be delivered, by the contractor, to Wastewater Plant #2 at Mt. Vernon Ave. 15 SV -1 –T ® Pole location indicated on the "Pole Schedule" are approximate. Final location of the standards shall be as directed by the Engineer at the site. PREEMPTION DEVICE OPTICAL DETECTOR STA. 100 +19.27, 56.00RT. O 29A -5 -100 D PULL BOX MAS SP -1 –T 06 04 GRAND ISLAND MOUNT PREEMPTION OPTICAL DETECTOR. "A 55 LT –MAT Sidewalk may only be removed and replaced in complete panels. �j a AVENUE "nn z c� ® If conduits are existing, use existing conduits as directed by City Engineer. "A", Provide traffic control sign mounted on most arm /signal standard. (Type as indicated) "A. MMMMMMMMMMMMMMNMMMMNM R73 -3 REGULATORY SIGN – NO U TURN mounting hardware. The contractor shall also furnish and install an Z STA. 100 +13.28, 54.27LT. O 1A system. Exact preemption hardware mounting placement shall be determined by the Traffic Engineer in the field. TV -2 –T SP -1 –T 04 06 D PG&E #2 BOX 17 "x30 "x18" DEEP ® Furnish and install handicap romp Case "C" per CALTRANS Std Plans A 88A. ® Intercept exisitng interconnect conduit and route to pull box. �- ( 15 SV -1 –T STA. 100 +23.81, 64.87 LT. O 17A -2 -100 MAS -4B SP -1 –T 06 MING AVENUE MOUNT PREEMPTION OPTICAL DETECTOR. 20 © –R61 -7 LD tZ F- STA. 100 +74.01, 64.29LT. @ 1A TV -2 —T SP -1 —T 06 m m © –R9 -3A 15 SV -1 –T > GRAND ISLAND STA. 100 +76.87, 56.00RT. O 29A -5 -100 MAS SP -1 –T 02 W MOUNT PREEMPTION OPTICAL DETECTOR. 55 LT –MAT ct ® - R73 -2(CA) R9 -3A C6 C STA. 100 +23.81, 64.87 LT. O 1A W TV -2 –T SP -1 –T 02 15 SV -1 –T CL STA. 100 +23.81, 64.87 LT. © 17A -2 -100 20 MAS -4B SP -1 –T 04 02 MING AVENUE MOU PREEMPTION OPTICAL DETECTOR. CD C) o –R61 -7 00 od ad Qk STA. 100 +23.81, 64.87 LT. O 1A TV -2 –T SP -1 –T 02 04 I N "M 6J2L 6J4U MING AVE. 6J2U 1110 35 +0C 37 38 +OC " *PULL PE 39 INTERCONNECT CABLE TO CONTROLLER CABINETS AT THE INTERSECTIONS OF MING AVE & BUENA VISTA RI 0 Z 0 Z Q ry 0 CONTROLLER DETAIL (SCALE: 1 " =10') 01 & 05 T 02 & 05 I-- T 01 & 06 � 02 & 06 m All equipment and materials shall be furnished by the contractor. --I T T 04 T 03 I CONDUCTOR SCHEDULE THE INTERSECTIONS OF MING AVE & BUENA VISTA RD. » NOTES m All equipment and materials shall be furnished by the contractor. ® Contractor shall provide Type 170 Controller with latest Bitran 233 Firmware, 412F Prom Module and SDI modem LEGEND model RM 404 and 332 Cabinet assembly. Service shall be 120v/240v Type III —BF, provided by Contractor. O ® Pull box In front of controller shall be #6. All others shall be #5 unless otherwise noted. SIGNAL STANDARD (REFER TO POLE SCHEDULE) P.G.&E. power point will be installed by others. Contractor shall install conduit from power point to pull box and make connections for power. CONDUIT RUN (REFER TO CONDUCTOR SCHEDULE) ® Luminaires shall be cutoff type, 200 W. HPSV. ® All new signal indications shall be 12 inch. 04 -*H— SIGNAL HEAD WITH PHASE # ® Street name signs and hangers shall be furnished and installed by Contractor. LUMINAIRE – MOUNTED ON SIGNAL STANDARD All pedestrian indications shall be new, international symbol type as detailed in the specifications. 8 PEDESTRIAN SIGNAL ® All unused, salvaged material shall be delivered, by the contractor, to Wastewater Plant #2 at Mt. Vernon Ave. south of Fwy. 58. Contact Frank Young prior to delivery at (805) 326 -3152. AUTOSCOPE CAMERA ® Pole location indicated on the "Pole Schedule" are approximate. Final location of the standards shall be as directed by the Engineer at the site. PREEMPTION DEVICE OPTICAL DETECTOR ® All utility locations shown are approximate only and represent the best information supplied by the various (OPTICOM 711 – SINGLE UNIT) utility companies. Final responsibility for locating utilities in the field lies with the Contractor. D PULL BOX 11 Contractor shall remove striping and pavement markings as indicated on the plan, by obliterating a rectangle whose limits are the edge of each word. Under NO • 1 . - - ►A "A "A """"A g ELECTRICAL SERVICE PEDESTAL Sidewalk may only be removed and replaced in complete panels. �j a "Am "nn z c� ® If conduits are existing, use existing conduits as directed by City Engineer. "A", Provide traffic control sign mounted on most arm /signal standard. (Type as indicated) "A. MMMMMMMMMMMMMMNMMMMNM R73 -3 REGULATORY SIGN – NO U TURN mounting hardware. The contractor shall also furnish and install an Opticom 754 phase selector unit in the controller cabinet. Contractor shall provide a fully operational preemption IC— TRAFFIC INTERCONNECT CONDUIT system. Exact preemption hardware mounting placement shall be determined by the Traffic Engineer in the field. Contractor shall provide an Opticom technician . The Opticom representative - TRAFFIC SIGNAL CONDUIT must be contacted 48 hours prior to signal initialization. D PG&E #2 BOX 17 "x30 "x18" DEEP ® Furnish and install handicap romp Case "C" per CALTRANS Std Plans A 88A. ® Intercept exisitng interconnect conduit and route to pull box. �- ( 0 V) 0 0 LD tZ F- (%) m m > v=i W ct rU-Ed C6 M W M M M CD C) o 00 od ad 006 CJ U U 0� W ck: d a_ a_ W W Of 0� W 0:� woo I—PREEMPTION CABLE 0^ o00 o r -• ■ ■ ■�����7� ■■ice ■0 ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ ■ © ■ ■ ■ ■ ■ ■ ■0 *PULL INTERCONNECT CABLE TO CONTROLLER CABINETS AT THE INTERSECTIONS OF MING AVE & BUENA VISTA RD. » NOTES m All equipment and materials shall be furnished by the contractor. ® Contractor shall provide Type 170 Controller with latest Bitran 233 Firmware, 412F Prom Module and SDI modem LEGEND model RM 404 and 332 Cabinet assembly. Service shall be 120v/240v Type III —BF, provided by Contractor. O ® Pull box In front of controller shall be #6. All others shall be #5 unless otherwise noted. SIGNAL STANDARD (REFER TO POLE SCHEDULE) P.G.&E. power point will be installed by others. Contractor shall install conduit from power point to pull box and make connections for power. CONDUIT RUN (REFER TO CONDUCTOR SCHEDULE) ® Luminaires shall be cutoff type, 200 W. HPSV. ® All new signal indications shall be 12 inch. 04 -*H— SIGNAL HEAD WITH PHASE # ® Street name signs and hangers shall be furnished and installed by Contractor. LUMINAIRE – MOUNTED ON SIGNAL STANDARD All pedestrian indications shall be new, international symbol type as detailed in the specifications. 8 PEDESTRIAN SIGNAL ® All unused, salvaged material shall be delivered, by the contractor, to Wastewater Plant #2 at Mt. Vernon Ave. south of Fwy. 58. Contact Frank Young prior to delivery at (805) 326 -3152. AUTOSCOPE CAMERA ® Pole location indicated on the "Pole Schedule" are approximate. Final location of the standards shall be as directed by the Engineer at the site. PREEMPTION DEVICE OPTICAL DETECTOR ® All utility locations shown are approximate only and represent the best information supplied by the various (OPTICOM 711 – SINGLE UNIT) utility companies. Final responsibility for locating utilities in the field lies with the Contractor. D PULL BOX 11 Contractor shall remove striping and pavement markings as indicated on the plan, by obliterating a rectangle whose limits are the edge of each word. Under NO SIGNAL CONTROLLER circumstances are the letters to be removed individually. ® Existing sidewalk shall be removed and replaced as necessary to complete all construction. g ELECTRICAL SERVICE PEDESTAL Sidewalk may only be removed and replaced in complete panels. �j © Provide striping and pavement markings as shown. Refer to Signing and Striping Plans for remaining CAL –TRANS TYPE IV ARROW (DIRECTION AS INDICATED) / requirements and additions to existing striping and pavement markings. z c� ® If conduits are existing, use existing conduits as directed by City Engineer. R9 -3a REGULATORY SIGN – NO PEDESTRIAN CROSSING Provide traffic control sign mounted on most arm /signal standard. (Type as indicated) ® Furnish and install Opticom 711(Single Unit) preemption devices as indicated on plans including all cables and R73 -3 REGULATORY SIGN – NO U TURN mounting hardware. The contractor shall also furnish and install an Opticom 754 phase selector unit in the controller cabinet. Contractor shall provide a fully operational preemption IC— TRAFFIC INTERCONNECT CONDUIT system. Exact preemption hardware mounting placement shall be determined by the Traffic Engineer in the field. Contractor shall provide an Opticom technician . The Opticom representative - TRAFFIC SIGNAL CONDUIT must be contacted 48 hours prior to signal initialization. D PG&E #2 BOX 17 "x30 "x18" DEEP ® Furnish and install handicap romp Case "C" per CALTRANS Std Plans A 88A. ® Intercept exisitng interconnect conduit and route to pull box. �- ( 0 maw } m » m Ww Q¢ z c� z ca u3cn V) 0 0 LD tZ F- (%) m m > v=i W ct rU-Ed C6 M W M M M CD C) o 00 od ad 006 CJ U U 0� W ck: d a_ a_ W W Of 0� W 0:� woo 0^ o00 o ALL WORK EMBRACED HEREON SHALL CONFORM TO CALTRANS STANDARD PLANS AND SPECIFICATIONS DATED JANUARY 1992 AND ALONG WITH THE FOLLOWING PROVISIONS: FOUNDATIONS. Foundations shall conform to the provisions in Section 86 -2.03, "Foundations," of the Standard Specifications and these special provisions. The Contractor shall furnish the anchor bolts, nuts and washers to be used for new foundations and shall furnish the appropriate nuts and washers for existing foundations to be reused. STANDARDS, STEEL PEDESTALS AND POSTS. Standards, steel pedestals and posts shall conform to the provisions in Section 86 -2.04, "Standards, Steel Pedestals and Posts ", of the Standard Specifications and these special provisions. A pull rope shall be installed in all mast arm poles from the hand hole at the pole base up through the signal mast arm to the farthest head. A second pull rope shall be installed in all mast arm poles with luminaires from the hand hole at the base of the pole up through the luminaire arm to the luminaire. The pull rope shall be doubled back into the pole or arm at each termination. CONDUIT. Conduit shall conform to the provisions in Section 86 -2.05, "Conduit ", of the Standard Specifications and these special provisions. Conduits may be installed by either jacking /drilling or open trench methods. Installation using jacking or drilling shall conform to Section 82 -2.05C "Installation ", of the Standard Specifications. Open trench installation in pavement shall conform to the following specifications. 1. Conduit shall be rigid non - metallic type. Conduit shall be placed under existing pavement in a trench not to exceed 6 inches in width. Trench shall be cut using a rock saw and all loose uncompacted material shall be removed from the bottom of the trench prior to placement of conduit. The installed conduit shall have a cover of eighteen (18) to twenty -one (21) inches below finished grade. 2. The conduit shall be placed in the bottom of the trench and the trench shall be backfilled with a one (1) sack slurry cement backfill. Slurry cement backfill shall be placed to within 0.20 feet of the pavement surface. The top 0.20 feet shall be backfilled with asphalt concrete produced from commercial quality paving asphalt and aggregates. 3. Prior to spreading asphalt concrete, paint binder shall be applied as specified in Section 39 -4.02, "Prime Coat and Paint Binder," of the Standard Specifications. Spreading and compacting of asphalt concrete shall be performed by any method which will produce an asphalt concrete surface of uniform smoothness, texture, and density. 4. All excavated areas in the pavement shall be backfilled except for the top 0.20 foot, by the end of each work day. The top 0.20 foot shall be placed within three (3) working days after trenching. Temporary roadmix or other acceptable temporary surface will be allowed on the top 0.20 feet until such a time as the permanent asphalt surface is placed. Dependent upon adverse soil conditions or other circumstances encountered at the time of construction, the Engineer may specify which of the above methods may be used. A pull rope shall be installed in all signal conduits new or existing. The pull rope shall be nylon or polypropylene with a minmum tensile strength of 500 pounds. At least 2 feet of pull rope shall be doubled back into the conduit at each termination. PULL BOXES. Pull boxes shall conform to the provisions in Section 86 -2.06, "Pull Boxes ", of the Standard Specifications and these special provisions. Recesses for suspension of ballasts will not be required. CONDUCTORS AND WIRING. Conductors and wiring shall conform to the provisions in Section 86 -2.08, "Conductors," and Section 86 -2.09, "Wiring ", of the Standard Specifications and these special provisions. CONDUCTORS - The Contractor shall use multi- conductor electrical cables for all circuits except lighting, camera detection and between the service switch and controller cabinet. Conductors shall be spliced by the use of "C" shaped compression connectors as shown on Standard Plan ES 13. Splices shall be insulated by "Method B". The optical detector cable (3 -M Opticom Model 138 or equal) shall have four conductors of AWG #20 (7x28) standard individually tinned drawn wire to provide signal integrity and transient protection. The individually tinned copper, color coded insulation shall be as follows: a. Orange for delivery of optical detector power (+ b. Negative return wire for optical detector power ) c. Yellow for optical detector signal #1 d. Blue for optical signal #2 The Contractor shall arrange for a qualified Opticom technician to be present at each signal turn on. A representative servicing the Bakersfield area may be contacted at (714) 321 -7513. The insulation for all conductors shall be Type THW polyvinyl chloride. SERVICE. Service shall conform to the provisions in Section 86 -2.11, "Service ", of the Standard Specifications and these special provisions. Unless otherwise noted, service pedestal shall be Type III -BF, per Caltrans Standard Plan ES -2E, with a window for photoelectric unit, and shall be furnished with a 60 amp, 240 volt, 3 pole main breaker and the following branch circuit breakers: No. Amps ** Phase Volts Branch Metered 1 50 1 120 Traffic Signal Yes 2 30 1 120 Lighting No 3 -6 5 1 120 Video Yes ** Increase main breaker as required for actual load. The Contractor shall coordinate with P.G. &E. to make service connections to service points shown on the plans. The Owner will pay all required costs and fees required by the utility. Contractor shall obtain necessary building permit for service pedestal. TESTING. Testing shall conform to the provisions in Section 86 -2.14, "Testing ", of the Standard Specifications and these special provisions The signal shall not be placed in flashing mode, with signal faces uncovered, prior to Functional Testing. Submit to City General Services Electrical Division for testing. FUNCTIONAL TESTING. All functional testing shall conform to the provisions in Section 86 2.14C "Functional Testing," of the Standard Specifications and the following paragraph: Functional test period is included in the number of working days to complete the project as described in contract for this project. The fourth paragraph of Section 86 -2.14C "Functional Testing" of the Standard Specifications shall be amended to read as follows: Turn on of new or modified traffic signals shall be made only after all traffic signal circuits, including signal interconnection circuits, have been thoroughly tested as specified above. SIGNAL FACES AND SIGNAL HEADS. Signal faces, signal heads and auxiliary equipment, as shown on the plans, and the installation thereof, shall conform to the �� provisions in Section 86 -4.01, Vehicle Signal Faces", 86 -4.02, Directional Louvers", 86 -4.03, "Backplates" and 86 -4.06, "Signal Mounting Assemblies ", of the Standard Specifications and these special provisions. Housing, visors, directional louvers and Backplates shall not be structural plastic. All lamps for traffic signal units shall be furnished by the Contractor. All signal faces shall be provided with 12 -inch sections and red, amber, green, and respective arrow "LED" module type indicators. Tunnel visors shall be on all signal heads. The fourth sentence of the first paragraph of Section 86 -4.06, "Signal Mounting Assemblies," of the Standard Specifications, shall be amended to read as follows: Post top- slip- fitters and terminal compartments shall be cast bronze or hot -dip galvanized ductile iron. Each module shall consist of an assembly that utilizes LEDs as the light source in lieu of an incondescent lamp for use in traffic signal sections. The LEDs utilized in the modules shall be AIInGaP technology for red, amber and yellow indications, or GaN for green indications, and shall be the, ultra bright type rated for 100,000 hours of continous operation from 40'C to +74'C. The modules shall be rated for a minimum useful life of 48 months. All modules shall meet all parameters of this specification during this period. The individual LEDs shall be wired such that a castastrophic loss or failure of one or more LED unit will not result in the loss of the entire module. Electrical: Power Comsumption Maximum power consumption requirements for the modules are as follows: Maximum Power Comsumption (in Watts) LED modules will have EPA Energy Star compliance ratings, if applicable to that shape, size and color. Operation Voltage The modules shall operate from a 60 HZ k3 HZ AC line over a voltage ranging from 95 volts to 135 volts. the fluctuations of line voltage shall have no visable effect on the luminous intensity of the indications. Operating voltage of the modules shall be 120 VAC. All parameters shall be measured at this voltage. Power Factor The LED signal module shall have a power factor of 0.90 or greater. TH D Total harmonic distortion (current and voltage) induced into an AC power line by a LED signal module shall not exceed 20 percent. Surge Suppression The signal module onboard circuitry shall include voltage surge protection to with- stand high repetition noise transients as stated in Section 2.1.6 of NEMA Standard TS -2. 1992. The LED circuitry shall prevent perceptible fllicker to the unaided eye over the voltage range specified above. All wiring and terminal blocks shall meet the requirements of Section 13.02 of the ITE Publication: Equipment and Material Standards. Chapter 2 (Vehicle Traffic Control Signal Heads). Compatibility The modules shall be operationally compatible with currently used controller assemblies (soild state load switches, flashers, and conflict monitors). Review TEES Chapters 3 and 6 for specifications on these devices. When a current of 20mA AC (or less) is applied to the unit, the voltage read across the two leads shall be 15 VAC or less. The modules and associated onboard circuitry must meet Class A emission limits referred in Federal Communications Commission (FCC) Title 47, Subpart B, Section 15 regulations concerning the emission of electronic noise. Photometric Requirements The minimum initial luminous intensity values for the modules shall be as stated in Table 2 -2 and /or Table 2 -4 at 25'C. The modules (excluding yellow) shall meet or exceed the illumination values shown in Table 2 -3 and /or Table 2 -5, throughout the useful life based on normal use in in traffic signal operation over the operating temperature range. Yellow modules shall meet or exceed the illumination values shown in Table 2 -3 and /or Table 2 -5, throughout the useful life based on normal use in a traffic signal operation at 25'C. The measured chromatically coordinates of the modules shall conform to the chromaticity requirements of Table 2 -6, throughout the useful life over the operating temperature range. Table 2 -2 Minimum Initial Intensities for Circular Indications (in cd) Red 300mm Yellow Green Temperature 25'C 74'C 25'C 74'C 25'C 74'C 300mm circular 11 17 22 25 15 15 200mm circular 8 13 13 16 12 12 300mm arrow 9 12 10 12 11 11 Bicycle indication 11 17 22 25 15 15 PV indication 11 17 22 25 15 15 Lane control (X) 9 12 n/a n/a n/a n/a Lane control n/a I n a n/a nla 11 11 LED modules will have EPA Energy Star compliance ratings, if applicable to that shape, size and color. Operation Voltage The modules shall operate from a 60 HZ k3 HZ AC line over a voltage ranging from 95 volts to 135 volts. the fluctuations of line voltage shall have no visable effect on the luminous intensity of the indications. Operating voltage of the modules shall be 120 VAC. All parameters shall be measured at this voltage. Power Factor The LED signal module shall have a power factor of 0.90 or greater. TH D Total harmonic distortion (current and voltage) induced into an AC power line by a LED signal module shall not exceed 20 percent. Surge Suppression The signal module onboard circuitry shall include voltage surge protection to with- stand high repetition noise transients as stated in Section 2.1.6 of NEMA Standard TS -2. 1992. The LED circuitry shall prevent perceptible fllicker to the unaided eye over the voltage range specified above. All wiring and terminal blocks shall meet the requirements of Section 13.02 of the ITE Publication: Equipment and Material Standards. Chapter 2 (Vehicle Traffic Control Signal Heads). Compatibility The modules shall be operationally compatible with currently used controller assemblies (soild state load switches, flashers, and conflict monitors). Review TEES Chapters 3 and 6 for specifications on these devices. When a current of 20mA AC (or less) is applied to the unit, the voltage read across the two leads shall be 15 VAC or less. The modules and associated onboard circuitry must meet Class A emission limits referred in Federal Communications Commission (FCC) Title 47, Subpart B, Section 15 regulations concerning the emission of electronic noise. Photometric Requirements The minimum initial luminous intensity values for the modules shall be as stated in Table 2 -2 and /or Table 2 -4 at 25'C. The modules (excluding yellow) shall meet or exceed the illumination values shown in Table 2 -3 and /or Table 2 -5, throughout the useful life based on normal use in in traffic signal operation over the operating temperature range. Yellow modules shall meet or exceed the illumination values shown in Table 2 -3 and /or Table 2 -5, throughout the useful life based on normal use in a traffic signal operation at 25'C. The measured chromatically coordinates of the modules shall conform to the chromaticity requirements of Table 2 -6, throughout the useful life over the operating temperature range. Table 2 -2 Minimum Initial Intensities for Circular Indications (in cd) Table 2 -3 Maintained Minimum Intensities for Circular Indications (in cd) 200mm 300mm Angle (v,h) Red Yellow Green Red Yellow Green 2.5,±2.5 157 314 314 399 798 798 2.5, ±7.5 114 228 228 295 589 589 2.5,±12.5 67 133 133 166 333 333 2.5,±17.5 29 57 57 90 181 181 7.5,±2.5 19 238 238 266 532 532 7.5,±7.5 105 209 209 238 475 475 7.5, ±12.5 76 152 152 171 342 342 7.5,±17.5 48 95 95 105 209 209 7.5,±22.5 21 43 43 45 90 90 7.5,±27.5 12 24 24 19 38 38 12.5, ±2.5 43 86 86 59 119 119 12.5,±7.5 38 76 76 57 114 114 12.5,±12.5 33 67 67 52 81 81 12.5, ±17.5 24 48 48 40 81 81 12.5,±22.5 14 29 29 26 52 52 12.5,±27.5 10 19 19 19 38 38 17.5, ±2.5 19 38 38 26 52 52 17.5,±7.5 17 33 33 26 52 52 17.5,±12.5 12 24 24 26 52 52 17.5,±17.5 10 19 19 26 52 52 17.5,±22.5 7 14 14 24 48 48 17.5,±27.5 5 10 10 19 38 38 Table 2 -3 Maintained Minimum Intensities for Circular Indications (in cd) Table 2 -4 Maintained Initial Intensities for Arrow and PV Indications (in cd /m2) 200mm 300mm Angle (v,h) Red Yellow Green Red Yellow Green 2.5, ±2.5 133 267 267 339 678 678 2.5,±7.5 97 194 194 251 501 501 2.5,±12.5 57 113 113 141 283 283 2.5, ±17.5 25 48 48 77 154 154 7.5, ±2.5 101 202 202 226 452 452 7.5, ±7.5 89 178 178 202 404 404 7.5, ±12.5 65 129 129 145 291 291 7.5, ±17.5 41 81 81 89 178 178 7.5, ±22.5 18 37 37 38 77 77 7.5, ±27.5 10 20 20 16 32 32 12.5, ±2.5 37 73 73 50 101 101 12.5, ±7.5 32 65 65 48 97 97 12.5, ±12.5 28 57 57 44 89 89 12.5,±17.5 20 41 41 34 69 69 12.5,±22.5 12 25 25 22 44 44 12.5,±27.5 9 16 16 16 32 32 17.5, ±2.5 16 32 32 22 44 44 17.5,±7.5 14 28 28 22 44 44 17.5,±12.5 10 20 20 22 44 44 17.5,±17.5 9 16 16 22 44 44 17.5,±22.5 6 12 12 20 41 41 17.5, ±27.5 4 9 9 16 32 32 Table 2 -4 Maintained Initial Intensities for Arrow and PV Indications (in cd /m2) Table 2 -5 Minimum Maintained Intensities for Arrow and PV Indications (in cd /m2) Red Yellow Green Arrow Indication 5,500 11,000 11,000 Bicycle Indication 5,500 5,500 5,500 PV Indication future future future Lane Control X 5,500 n/a n a Lane Control Arrow n/a n/a 11 11,000 Table 2 -5 Minimum Maintained Intensities for Arrow and PV Indications (in cd /m2) Table 2 -6 Chromaticity Standards (CIE Chart) Type 2 Traffic Signal Module The following specification requirements apply to the Type 2 module only. All general specifications apply unless specifically superseded in the section. Red Red Yellow Green Arrow Indication 5,500 11,000 11,000 Bicycle Indication 5,500 5,500 5,500 PV Indication future future future Lane Control X 5,500 n/a n/a Lane Control Arrow n a n/a 11,000 Table 2 -6 Chromaticity Standards (CIE Chart) Type 2 Traffic Signal Module The following specification requirements apply to the Type 2 module only. All general specifications apply unless specifically superseded in the section. Red Y: not greater than 0.308, or less than 0.988 -x Yellow Y: not less than 0.411, nor less than 0.995 -x, nor less than 0.452 Green Y: not less than 0.506 - 0.519x, nor less than 0.150 +1.068x, nor more than 0.730 -x Physical and Mechanical Requirements LED traffic signal modules shall be designed as retrofit replacements for existing optical units of signal indications and shall not require special tools for installation. See appropriate sections for Type 1 and Type 2 modules. Environmental Requirements The LED siggnal module shall be rated for use in the operating temperature range of 4'C (40'F) to +74'C ( +165'F). The modules shall meet all specifications The LED signal module shall be protected against dust and moisture intrusion per the requirements of NEMA Standard 250 -1 99 1 for Type 4 enclosures to protect The LED signal module shall be a single, self contained device, not requiring onsite assembly for installation into an existing traffic signal housing. The power supply The circuit board and power supply shall be contained inside the module. Circuit boards shall conform to Chapter 1, Section 6 of the "Transportation Electrical Equipment Specifications ". The assembly and manufacturing process for the LED siganl assembly shall be designed to assure all internal components are adequately supported to withstand mechanical shock and vibration from high winds and other sources. Materials Materials used for the lens and signal module construction shall conform to ASTM specifications for the materials. Enclosures containing either the power supply or electronic components of the signal module shall be made of UL94VO flame retardant materials. The lens of the signal module is excluded from this requirement. Module Identification Each module shall have the manufacturer's name, trademark, model number, serial number, date of manufacture (month - year), and lot number as identification permanently marked on the back of the module. The following operating characteristics shall be permanently marked on the back of the module: rated voltage and rated power in Watts and Volt- Ampere. Each module shall have a symbol of the type of module (i.e. circle, arrow, etc.) in the color of the module. The symbol shall be one inch (25.4 mm) in diameter. Additionally, the color shall be written out in 1/2 inch letters next to the symbol. If a specific mounting orientation is required, each module shall have prominent and permanent marking(s) for correct indexing and orientation within a signal housing. The markings shall consist of an up arrow, or the word "UP" at "TOP ". Type 1 Traffic Signal Module The following specification requirements apply to the Type 1 module only. All general specifications apply unless specifically superseded in the section. Type 1 modules can be manufactured under this specifications for the following faces: 300 mm circular 200 mm circular 300 mm arrow Bicycle indication (future) Lane Control (future) Physical and Mechanical Requirements The module shall fit into existing traffic section housings built to the specfications detailed in ITE Publication: Equipment and Material Standards, Chapter 2 (Vehicle Traffic Control Signal Heads). Each Type 1 module shall be designed to be installed in the doorframe with a one -piece EPDM (ethylene propylene rubber) gasket. The maximum weight of a Type 1 module shall be 1.8kg (4 Ibs). Each Type 1 module shall be a sealed unit to include all parts necessary for operation (a printed circuit board, power supply, a lens and gasket, etc.), and shall be weather proof after installation and connection. Two secured, color coded, 600 V, 20 AWG minimum, jacketed wires, conforming to the National Electric Code, rated for service at +105'C, are to be provided for electrical connection for each Type 1 LED signal module. Conductors for Type 1 modules shall be 1 m in length, with quick disconnect terminals attached and shall conform to Section 86 -4. OIC< "Electrical Components ", of the Standard Specifications. If specified in the purchase order, the module will be equiped with an adapter that will screw into the base of the medium base lamp socket. The adapter shall be able to accept the quick disconnect terminals at the end of the conductors for the module. The electrical contacts of the adapter shall be made of brass. Len s The lens of the Type 1 module shall be integral to the unit, shall be convex with a smooth outer surface made of plastic or of glass. The lens may be tinted or may use transparent film or materials with similar characteristics to enhance ON /OFF contrasts. The use of tinting or other materials to enhance ON /OFF contrasts shall not affect chromaticity and shall be uniform across the face of the lens. The LED signal module lens shall be U.V. stabilized and shall be capable of withstanding ultraviolet (direct sunlight) exposure for a minimum period of 60 months without exhibiting evidence of deterioration. If a polymeric lens is used, a surface coating or chemical surface treatment shall be used to provide front surface abrasion resistance. 3.2 -611 Type 2 modules can be manufactured under this specifications for the following faces: 300 mm circular 200 mm circular 300 mm arrow Programmed Visibility (red, yellow, green) Physical and Mechanical Requirements The module shall fit into existing traffic section housings built to the specfications detailed in ITE Publication: Equipment and Material Standards, Chapter 2 (Vehicle Traffic Control Signal Heads), with the existing lens, reflector and lamp socket remaining in place, and without modification to the housing. Each Type 2 module shall be designed to mount in the standard lamp socket normally used with an incadescent lamp. The maximum weight of a Type 2 module shall be 1.4kg (3 Ibs). Type 2 modules shall be a sealed unit containing all components necessary for operation. The installation of a Type 2 module shall not require any removal of. or modification to the standard lamp socket or reflector. the installation of a Type 2 module shall not require special tools. 300 mm Arrow The following specification requirements apply to the 300 mm arrow only. All general specifications apply unless specifically superseded in the section. The arrow module shall meet specifications stated in Section 9.01 of the ITE Publication: Equipment and Material Standards, Chapter 2 ('Vehicle Traffic Control Signal Heads) for arrow indications. The LEDs shall be spread evenly across the illuminated portion of the arrow area. 300 mm Bicycle The following specification requirements apply to the 300 mm bicycle only. All general specifications apply unless specifically superseded to the section. The bicycle module shall meet approximate shape and size specification as shown in Figure 6 -1 for bicycle signal face. City shall make the final determination as to the final determination as to the conformance to the intent of the specification. The LEDs shall be spread evenly across the illuminated portion of the bicycle area. 300 mm Programmed Visibilty (PV) The following specification requirements apply to the 300 mm PV only. All general specifications apply unless specifically superseded in the section. The module shall be a Type 2 module designed and constructed to be installed in a programmed visibility (PV) signal housing with out modification to the housing. The LEDs shall be spread evenly across the module. 300 mm Lane Control The following specification requirements apply to the 300 mm lane control module only. All general \ specifications apply unless specifically superseded in the section. \ The lane control module shall meet approximate shape and size specification as shown in Figures 8 -1 and 8 -2 for lane control modules. City shall make the final determination as to the conformance to the intent of the specification. Three secured, color coded, 600 V, 20 AWG minimum, jacketed wires, conforming to the National Electrical code, rated for service at +105'C, are to be provided for electrical connection for each lane control LED signal module. Conductors for this module shall be 1 m in length, with quick disconnect terminals attached and shall conform to Section 86 -4.01C "Electrical Components," of the Standard Specifications. The color code is as follows: Function Color neutral white red X red green arrow brown The LEDs shall be spread evenly across the illuminated portions of this module. LUMINAIRES. Luminaires shall conform to the provisions in Section 86 -6.01, "High Intensity- Discharge Luminaires," of the Standard Specifications and these special provisions. Luminaires shall be furnished with 310 -watt or 200 -watt high pressure sodium lamps and integral ballasts as indicated on the contract plans. An in -line fuse shall be located in the pull box. PHOTOELECTRIC CONTROLS. Photoelectric controls shall conform to the provisions in Section 86 -6.07, , "Photoelectric Controls ", of the Standard Specifications and these special provisions. Each luminaire shall be provided with a Type IV photoelectrical control. Internally illuminated street name signs will be controlled by a single Type V photoelectric control located in the service pedestal. (IISNS are not required for this project) PEDESTRIAN SIGNALS. Pedestrian signals shall conform to the provisions in Section 86 -4.05, "Pedestrian Signal Faces," of the Standard Specifications and these special provisions. Pedestrian signals shall be Type A, conforming to the following: GENERAL Each module shall consist of an assembly that utilizes LEDs as the light source in lieu of an incandescent lamp for use in traffic signal sections. The LEDs shall utilize appropriate technology to achieve the required color and shall be the ultra bright type rated for 100,000 hours of continous operation from 4'C to +74'C. The modules shall be rated for a minimum useful life of 48 months. All modules shall meet all parameters of this specification during this period. The individual LEDs shall be wired such that a castastrophic loss or the failure of one or more LED will result in the loss of not more than five percent of the signal module light output. Electrical Power Comsumption Maximum power consumption requirements for the modules are as follows (in Watts): LED modules will have EPA Energy Star compliance ratings, if applicable to that shape, size and color. Operational Voltage The modules shall operate from a 60 HZ ±3 HZ AC line over a voltage ranging from 95 volts to 135 volts. The fluctuations of line voltage shall have no visible effect on the luminous intensity of the indications. 0 erating voltage of the modules shall be 120 VAC. All parameters shall be measured at this voltage. Power Factor The LED signal module shall have a power factor of 0.90 or greater. TH D Total harmonic distortion (current and voltage) induced into an AC power line by a LED signal module shall not exceed 20 percent. Surge Suppression The signal module onboard circuitry shall include voltage surge protection to withstand high repetition noise transients as stated in Section 2.1.6 of NEMA Standard TS -2, 1992.. The LED circuitry shall prevent perceptible flicker to the unaided eye over the voltage range specified above. All wiring and terminal blocks shall imeet the requirements of Section 13.02 of the ITE Publication: Equipment and Material Standards, Chapter 2 (Vehicle Traffic Control Signal Heads). >a::M M 25'C 74'C Hand 10.0 12.0 Walkin 9.0 12.0 LED modules will have EPA Energy Star compliance ratings, if applicable to that shape, size and color. Operational Voltage The modules shall operate from a 60 HZ ±3 HZ AC line over a voltage ranging from 95 volts to 135 volts. The fluctuations of line voltage shall have no visible effect on the luminous intensity of the indications. 0 erating voltage of the modules shall be 120 VAC. All parameters shall be measured at this voltage. Power Factor The LED signal module shall have a power factor of 0.90 or greater. TH D Total harmonic distortion (current and voltage) induced into an AC power line by a LED signal module shall not exceed 20 percent. Surge Suppression The signal module onboard circuitry shall include voltage surge protection to withstand high repetition noise transients as stated in Section 2.1.6 of NEMA Standard TS -2, 1992.. The LED circuitry shall prevent perceptible flicker to the unaided eye over the voltage range specified above. All wiring and terminal blocks shall imeet the requirements of Section 13.02 of the ITE Publication: Equipment and Material Standards, Chapter 2 (Vehicle Traffic Control Signal Heads). >a::M M 3 m a U) V) o Z o M w N � N WW �C) aC) U 2 �m �o O U �W m> a V) Q-1 W 16o 0 Q O �C) 0 Compatibility The modules shall be operationally compatible with currently used controller assemblies (solid state load switches, flashers, and conflict monitors). Review TEES Chapters 3 and 6 for specifications on these devices. When a current of 20mA AC (or less) is applied to the unit, the voltage read across the two leads shall be 15 VAC or less. The modules and associated onboard circuitry must meet Class A emission limits referred in Federal Communications Commission (FCC) Title 47, Subpart B, Section 15 regulations concerning the emission of electronic noise. ENVIRONMENTAL REQUIREMENTS The LED signal module shall be rated for use in the operating temperature range of 4'C (407) to +74 -C ( +165'F). the modules shall meet all specifications throughout this range. The LED signal module shall be protected against dust and moisture intrusion per the requirements of NEMA Standard 250 -1991 for Type 4 enclosures to protect all internal components. CONSTRUCTION The LED signal module shall be a single, self contained device, not requiring onsite assembly for installation . The power supply for the module shall be integral to the unit. The circuit board and power supply shall be contained inside the module. Circuit boards shall conform to Chapter 1, Section 6 of the "Transportation Electrical Equipment Specifications". The assembly and manufacturing process" for the LED signal assembly shall be designed to assure all internal components are adequately supported to withstand mechanical shock and vibration from high winds and other sources. MATERIALS Material used for the lens and signal module construction shall conform to ASTM specifications for the materials. Enclosures containing either the power supply or electronic components of the signal module shall be made of UL94VO flame retardant materials. The lens of the signal module is excluded from this requirement. MODULE IDENTIFICATION Each module shall have the manufacturer's name, trademark, model number, serial number, date of manufacture (month— year), and lot number as identification permanently marked on the back of the module. The following operating characteristics shall be permanently marked on the back of the module: rated voltage and rated power in Watts and Volt— Ampere. If a specific mounting orientation is required, each module shall have prominent and permanent marking(s) for correct indexing and orientation within a signal housing. The markings shall consist of an up arrow, or the word "UP" or "TOP ". TYPE A PEDESTRIAN SIGNAL FACE (COMBINATION RAISED HAND /WALKING PERSON SECTION) The following specifications requirements apply to the Walking Person section only. All general specifications apply unless specifically superseded in this section. GENERAL Pedestrian signal face modules shall be designed to mount behind or replace the existing face plate of existing Type "A" housing as specified by the requirements in the ITE Publication: Equipment and Materials Standards. Chapter 3 (Pedestrian Traffic Control Signal Indications). The design of the modules shall require a specific mounting orientation. PHOTOMETRIC REQUIREMENTS Each module shall provide an average luminous intensity of at least 3,750 candela /m for "Hand" and 5,300 candela /m for "Walking Person" symbol throughout the useful life over the operating temperature range. The uniformity ratio of an illuminated symbol shall not exceed 4 to 1, between the highest luminance area and the lowest luminance area in the module. The color output of the module shall conform to the requirements of Section 5.3 in the ITE Publication: Equipment and Material Standards, Chapter 3 (Pedestrian Traffic Control Signal Indications). "Hand" shall be Portland orange. Not greater than 0.39 , nor less than 0.331 nor less than 0.997 —x. "Walking Person" shall be lunar white. x: not less than 0.290, nor greater than 0.330. y. not less than 1.5x- 0.175, nor greater than 1.5x- 0.130. PHYSICAL AND MECHANICAL REQUIREMENTS The module shall be designed to be used in the pedestrian signal section as retrofit replacement for existing signal lamps and shall not require special tools for installation. The module shall fit into the existing pedestrian signal housing built to the PTCSH specifications without modification to the housing. The height of each symbol on the module shall not be less than 250 mm and the width of each symbol on the module shall not be less than 165 mm. CONSTRUCTION The modules shall be a single, self — contained device, not requiring on —site assembly for installation. CERTIFICATE OF COMPLIANCE. The Contractor shall provide the Engineer a Certificate of Compliance from the manufacturer in accordance with the provisions of Section 6 -1.07, "Certificates of Compliance," of the Standard Specifications. The certificate shall certify that the LED signal modules comply with the requirements of these specifications. Said certificate shall also certify the LED signal modules conform to the pre — qualified and testing approval of CalTrans and was manufactured in accordance with the CalTrans quality control program. The certificate shall also include a copy of all applicable test reports on the LED signal modules. REPLACEMENT MODULES. Three spare modules of each size and type used for each intersection shall be furnished by the Contractor. GUARANTEE. LED signal modules shall be guaranteed by the Contractor for a period of one year starting on the day after the project is accepted by the City. Modules that fail during this period shall be replaced at no cost to the City, except that City forces will change out the modules in the field. The replacement modules shall be delivered to the Engineer, or to the City Corporation Yard located at 4101 Truxtun Avenue, within five working days after notification. The failed modules will be made available to the Contractor at the above address at the same time as the replacement is delivered. WARRANTY. The manufacturer shall provide a written warranty against defects in materials and workmanship for the LED signal modules for a period of 36 months after installation of the modules. Replacement modules shall be provided promptly after receipt of modules that have failed at no cost to the City except cost of shipping of the failed modules. All warranty documentation shall be given to the Engineer prior to installation. CONTROLLERS, CABINETS AND AUXILIARY EQUIPMENT. The contractor shall furnish the controller and cabinet assembly for each location conforming to the City "Traffic Signal Control Equipment Specifications ". The central pad on the Foundation Detail in State Standard Plan ES -46 shall be increased from a height of 3.5" to a height of 12 ". Full compensation for cast —in— drilled hole concrete pile foundations shall be considered as included in the contract lump sum price paid for the item requiring foundations and no separate payment will be made therefore. GUARANTEE. The Contractor shall furnish a written guarantee to the City on City provided form, guaranteeing all systems, except traffic signal lamps, installed under this contract for a period of one (1) year from the date of acceptance of the work. The guarantee. properly executed, shall be filed with the City before notice of completion and final acceptance is made by the City of the work described on the plans and these special provisions. The controller cabinet shall be equipped with two cabinet lights, one for the front and one for the rear doors and shall have a switch control at each door that energizes both lights automatically when either door is opened. Fixtures shall be mounted on the inside top of the cabinet near the front edge. Fixture shall be provided with an F15T8 cool —white lamp operated from a normal power factor UL or ETL listed ballast. All Controller cabinets shall have McCain's Traffic supply document drawer model JC5- 332drawer -3 or equivalent, installed in cabinet. All spade lug connections within the 332 cabinet shall be crimped and soldered. STREET LIGHT BOX ADJUSTMENT. Frames and covers of existing street light boxes shall be adjusted to grade in accordance with the provisions in Section 15 -2.05, "Reconstruction ", of the Standard Specifications, the details shown on the plans, these special provisions, and City Standard S -31. If existing street light box frames and covers are damaged during removal, a new frame and cover shall be furnished. The surface of the concrete shall be protected from pedestrian traffic for a minimum of three days. MAINTAINING TRAFFIC. The Contractor shall furnish, install and maintain signs, lights, flags and other warning and safety devices when performing work which interferes with or endangers the safe movement of traffic on any street or highway. Signs, lights, flags and other warning and safety devices and their use shall conform to the requirements set forth in the current "Manual of Traffic Controls — Warning Signs, Lights, and Devices for Use in Performance of Work Upon Highways," published by the State of California, Department of Transportation. Application and use of devices shall be as specified and as directed by the Engineer. The Contractor shall keep the Bakersfield Fire Department informed at all times as to the exact location and progress of the work and shall notify them immediately of any streets impassable for fire fighting equipment. The sixteenth and nineteenth paragraphs of Section 7 -1.08, "Public Convenience ", of the Standard Specifications, shall be amended to read as follows: Construction operations shall be actively in progress only between the hours of 8:30 a.m. — 4:00 p.m., Monday through Friday, except legal holidays. Where construction operations are actively in progress, a minimum of one traffic lane, not less than twelve feet in width, shall be open for use by public traffic. Where construction operations are not actively in progress, not less than two such lanes shall be open for use by public traffic. Public traffic may be permitted to use the shoulders and, if half —width construction methods are used, may also be permitted to use the side of the roadbed opposite to the one under construction. No additional compensation will be allowed for any shaping of shoulders necessary for the accommodation of public traffic thereon during paving operations. In order to expedite the passage of public traffic through or around the work and where ordered by the Engineer, the Contractor shall, at his own expense, furnish, install and mantain construction area signs, lights, flares, temporary railing (Type K), barricades, and other facilities for the sole convenience and direction of public traffic. Also, where directed by the Engineer, The Contractor shall furnish competent flagmen whose sole duties shall consist of directing the movement of public traffic through or around the work. When deemed necessary by the City, the signs "Road Construction Ahead ", No. C- 18,and "End Construction ",C -13, shall be furnished, installed and maintained by the Contractor at locations as directed by the Engineer at least 48 hours in advance of any construction. EXISTING HIGHWAY FACILITIES. The work performed in connection with various existing facilities shall conform to the provisions in Section 15, Existing Highway Facilities ", of the Standard Specifications and these special provisions. Existing City highway signs and street markers shall remain the property of the City. Such signs and street markers shall be relocated and maintained during construction so as to convey the same intent that existed prior to construction. Existing City highway signs and street markers shall be placed in their permanent position by the Contractor's forces prior to completion of construction. Signs removed from the project area shall be delivered to the City Corporation Yard at 4101 Truxtun Avenue. ROADSIDE SIGNS. Roadside signs shall conform to the provisions in Section 56 -2, "Roadside Signs ", of the Standard Specifications and these special provisions. Miscellaneous roadside signs shall conform to City Standard TS -4. WARNING — REGULATORY SIGNS. Sign panels shall be mounted on posts with Hawkins M2G series bolt and vandal proof nut assembly or equal. Roadside signs installed per Standard T -19 shall be relocated within sidewalk 6 inches from back. SIGNS — MEASUREMENT. Signs ground mounted on steel posts sholl be measured by the unit. One or more sign panels mounted on a single post installation shall be counted as one unit. Signs mounted on the signal most arm or signal pole standard shall be included in the lump sum price paid for the traffic signal. REMOVE TRAFFIC STRIPES AND PAVEMENT MARKINGS. Traffic stripes and pavement markings to be removed will be as shown on plans and as designated by the Engineer. Traffic stripes and pavement markings shall be removed to the fullest extent possible from the pavement by any method that does not materially damage the surface or texture of the pavement or surfacing. Where blast cleaning is used for the removal of painted traffic stripes and pavement markings, the area shall be ,shielded so that no material from the blasting operation is allowed to enter the area that is open to the public traffic. Sand or other material deposited on the pavement as a result of removing traffic stripes and markings shall be removed as the work progresses. Accumulations of sand or other material which might interfere with drainage or might constitute a hazard to traffic will not be permitted. Traffic stripes shall be removed before any change is made in the traffic pattern. Blast cleaning for removal of traffic stripes shall be feathered out to irregular and varying widths. Pavement markings shall be removed by blast cleaning a rectangular area, rather than just lettering or markings, so the old message cannot be identified. After removal of traffic stripes and pavement markings, a fog seal coat shall be applied in conformance with the provisions in Section 37, Bituminous Seals ", of the Standard Specifications and the following: In traffic stripe removal areas, the fog seal coat shall be applied over the traffic stripe removal area and to irregular and varying widths with an average width of 2 feet on each side of the blast cleaned traffic stripe removal area. In pavement marking removal areas, the fog seal coat shall be applied to the blast cleaned rectangular area. Full compensation for furnishing and applying fog seal as specified herein shall be considered as included in the contract price paid per square foot for removal of traffic stripe and pavement marking and no separate payment will be made therefor. Nothing in these special provisions shall relieve the Contractor from his responsibilities as provided in Section 7 -1.09, "Public Safety," of the Standard Specifications. TRAFFIC STRIPES AND PAVEMENT MARKINGS. Traffic stripes and pavement markings shall be thermoplastic and shall conform to Section 84 -2, "Thermoplastic Traffic Stripes and Pavement Markings," of the Standard Specifications. PAVEMENT MARKERS. Pavement markers shall conform to Section 85 "Pavement Markers" of the Standard Specifications. TRAFFIC DELINEATION. Immediately after any construction operations where traffic delineation is obliterated or when directed by the Engineer, the contractor shall replace all obliterated pavement delineation with temporary delineation during the same work period, and in no case later than 7:30 a.m. following such work period. Temporary delineation consists of reflective traffic line tape applied in pieces not less than 4 inches long nor less than 4 inches wide, spaced no more than 20 feet apart on tangents and no more than 10 feet apart on curves. Apply reflective traffic line tape in accordance with the manufacturer's instructions. Temporary delination must be the same color as the permanent delineation. Remove temporary delineation applied to asphalt concrete patches immediately prior to applying asphaltic emulsion tackcoat for asphalt concrete overlay. Traffic stripes and pavement markings shall conform to Section 84, "Traffic Stripes & Pavement Markings," of the Standard Specifications and these special provisions. Traffic stripes and pavement markings shall be thermoplastic and shall conform to Section 84 -2, "Thermoplastic, Traffic Stripes and Pavement Markings ". The first sentence of Section 84 -2.01 "Materials" shall be revised to read: The thermoplastic materials shall conform to State Specification 8010- 21C -19. Pavement markers shall conform to Section 85 "Pavement Markers," and these special provisions: Pavement markers shall be placed with rapid set epoxy per Section 95 -2.04 of the Standard Specifications. PREEMPTION SYSTEM. The contractor shall provide a fully operational preemption system. The contractor shall furnish and install Opticom 711 (Single Unit) preemption devices as indicated on the signal plans including all cables and mounting hardware. The contractor shall also furnish and install an Opticom 754 phase selector unit in the controller cabinet. Exact preemption hardware mounting placement shall be determined by the Engineer in the field. The optical detector cable (3 —M Opticom Model 138 or equal) shall have four conductors of AWG #20 (7X28) stranded individually tinned drain wire to provide signal integrity and transient protection. The individually tinned copper, color —coded insulation shall be as follows: a. Orange for delivery of optical detector power ( +) b. Negative return wire for optical detector power ( —) c. Yellow for optical detector signal #1 d. Blue for optical detector signal #2 TRAFFIC SIGNAL INTERCONNECT. Signal Interconnect Cable shall be six or twelve pair as shown on the plans and shall conform to the provisions in Section 86- 2.08E, "Signal Interconnect Cable, of the Standard Specifications and these special provisions. The conductors shall be solid #19 AWG annealed copper in twisted pairs. The conductors shall be no less than 4 turns per 14 inches for twelve pair cable and 3.5 turns per 14 inches for six pair cable. The cable shall have a corrugated copolymer— coated 8 —mil aluminum tape applied longitudinally over the core wrap. These cables must meet the requirements of PE -39 and ANSI /ICEA S -84- 608 -1988. Install 3M communications 4460 —S ground shield connection in all neceaaary controller cabinets for 12 pair cable. Each individual run of cable shall be grounded at one end only, as directed by the City Engineer. Install 3M communications 4460 —D ground shield connection for 6 pair cable. A pull rope conforming to Section 86 -2.05C "Installation" of the Standard Specifi- cations shall be included in all interconnect conduit for installation of future conductors. >� M � 3 oz Cn 0 o Z o T) m > N w LLJw �M a z � �m �o � O U W CL m> �W �ao goo �M 0