HomeMy WebLinkAbout3.2-533LIST OF DRAWINGS
SHEET 1 TITLE SHEET
SHEET 2 DEMOLI TION PLAN
SHEET 3 STREET IMPROVEMENT PLAN
SHEET 4 STRIPING PLAN
SHEET 5 TRAFFIC SIGNAL AND LIGHTING SHEET
SHEET 6 SIGNAL SPECIAL PROVISIONS
SHEET 7 STANDARD NOTES
STREET IMPROVEMENT NOTES
1 AN OPEN STREET PERMIT SHALL BE OBTAINED FROM THE CITY OF BAKERSFIELD PUBLIC WORKS
DEPAR TMEN T FOR AN Y WORK PERFORMED W THIN EXISTING RIGH T OF— WA Y. UNLESS SECURED
B Y A SUBDI VISION A GREEMEN T. A DEPOSI T BA SED ON A N A PPRO VED ENGINEER'S ES TI MA TE FOR
THE WORK PERFORMED WITHIN THE RIGHT—OF—WAY AND INSURANCE SHALL BE POSTED PRIOR
TO ISSUANCE OF THE PERMI T.
2 UNDERGROUND SER III CE ALERT SHALL BE CON TA C TED TWO WORKING DA YS PRIOR TO
CONS TRUC TION. 1-800-642-2444
3 ALL IMPROVEMENTS SHALL BE IN ACCORDANCE W TH REQUIREMENTS AND SPECIFI CA TIONS
OF THE CITY OF BAKERSFIELD PRIOR TO CONS7RUC770N. AN OPEN STREET PERMIT SHALL BE
OBTAINED BY THE CONTRACTOR, SEE NOTE 1 THIS SHEET.
4 A 24 —HOUR NOTICE REQUIRED FOR INSPECTION AND TESTING. (661) 326 -3049
THE CONTRACTOR SHALL OBTAIN ENCROACHMENT PERMIT PRIOR TO MOBILIZATION.
BENCHMARK
TOP OF CONCRETE MONUMENT A T STATION 15 +70.57, SE CORNER OF PARCEL MAP 10938
ELEVATION: 364.26 NA VD 88
BASIS OF BEARING
THE EAST LINE OF THE NORTHEAST QUARTER OF SECTION 22, TJOS
.0 R2 7E, MDM
WHICH BEARS N00"J8**57`#E PER PARCEL MAP 10938, RECORDED IN BOOK 53, PAGE
105, OR.
__
CONVENTIONAL SYMBOLS
SECT /ON LINE
RIGHT —OF —WAY
CENTERLINE
RAILROAD TRACKS
FENCE
EXIST. CURB &GUTTER
EXIST. A.C. FLOWLINE
EX /ST. EDGE OF PAVEMENT
GUARD RA IL
IMPRO VEMEN TS
SEWER LINE
STORM DRA IN
0/L LINE
AERIAL UTILITY
OVERHEAD ELECTRICAL LINE
FIRE HYDRANT
WATER METER
WA TER VAL l/E
GAS METER
GAS VAL l/E
BENCHMARK
RIGHT OF WAY
PROJECT PLANS FOR
TRAFFIC SIGNAL MODIFICATION AND
STREET IMPROVEMENTS
5291 GOSFORD ROAD
For use in connection with the Standard Plans of the
State of California Department of Transportation dated 2010
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PROJECT
LOCATION
LOCATION MAP
NOT TO SCALE
LIST OF ESTIMATED MATERIALS
ITEM
TRAFFIC SIGNAL MODIFICA TION
LANDSCAPE MODIFICATION
ASPHALT CONCRETE
AGGREGATE BASE
EXCAVATION
PCC CONCRETE MEDIAN TREATMENT
TYPE 'iL1" CURB PER COB STD PLAN ST -2
QUANITY
1 EA
1 EA
93 TONS
41 C Y
715 CY
542 SF
245 LF
STATE OF CALIFORNIA
NOTE:
THE CONTRACTOR MUST POSSESS THE FOLLOWING
VALID LICENSES:
CLASS A
N 0 TE:
THE CONTRACTOR SHALL CONTACT THE USA LOCATOR
SERVICE 1- 800 - 642 -2444, 48 HOURS PRIOR TO
EXCAVATION.
ENGINEER'S CERTIFICATION
I HEREBY CERTIFY THAT THESE PLANS AND SPECIFICATIONS COMPLY
WITH CITY OF BAKERSFIELD ORDINANCES, STANDARDS, AND DESIGN
CRITERIA. l AM RESPONSIBLE FOR ALL CAL CULA TIONS AND DRA WINGS,
EXCEP T FOR THE L OCA TIONS AND DESCR /P TIONS OF EXISTING
U TILI T /ES OR OTHER INFORMATION FROM RECORD ON THESE PLANS. ANY
ERRORS, OMISSIONS, OR VIOLA TIONS OF ORDINANCES OR STANDARDS
SHALL BE CORRECTED DURING CONS TRUC TION.
IAN J. PARKS DATE
R.CE. 58155 (EXP 6- 30 -16)
C/ T Y RECORDS NO:
APPROVED BY:
v.z 4
PUBLIC WORKS DIRECTOR
APPROVAL RECOMMEND
ASSISTANT PUBLIC WORKS D/ EC TOR
REVIEWED B Y.•
TRAFFIC ENGINEER
UTILITY SYMBOLS
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STORM DRA IN
0/L LINE
AERIAL UTILITY
OVERHEAD ELECTRICAL LINE
FIRE HYDRANT
WATER METER
WA TER VAL l/E
GAS METER
GAS VAL l/E
BENCHMARK
RIGHT OF WAY
PROJECT PLANS FOR
TRAFFIC SIGNAL MODIFICATION AND
STREET IMPROVEMENTS
5291 GOSFORD ROAD
For use in connection with the Standard Plans of the
State of California Department of Transportation dated 2010
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PROJECT
LOCATION
LOCATION MAP
NOT TO SCALE
LIST OF ESTIMATED MATERIALS
ITEM
TRAFFIC SIGNAL MODIFICA TION
LANDSCAPE MODIFICATION
ASPHALT CONCRETE
AGGREGATE BASE
EXCAVATION
PCC CONCRETE MEDIAN TREATMENT
TYPE 'iL1" CURB PER COB STD PLAN ST -2
QUANITY
1 EA
1 EA
93 TONS
41 C Y
715 CY
542 SF
245 LF
STATE OF CALIFORNIA
NOTE:
THE CONTRACTOR MUST POSSESS THE FOLLOWING
VALID LICENSES:
CLASS A
N 0 TE:
THE CONTRACTOR SHALL CONTACT THE USA LOCATOR
SERVICE 1- 800 - 642 -2444, 48 HOURS PRIOR TO
EXCAVATION.
ENGINEER'S CERTIFICATION
I HEREBY CERTIFY THAT THESE PLANS AND SPECIFICATIONS COMPLY
WITH CITY OF BAKERSFIELD ORDINANCES, STANDARDS, AND DESIGN
CRITERIA. l AM RESPONSIBLE FOR ALL CAL CULA TIONS AND DRA WINGS,
EXCEP T FOR THE L OCA TIONS AND DESCR /P TIONS OF EXISTING
U TILI T /ES OR OTHER INFORMATION FROM RECORD ON THESE PLANS. ANY
ERRORS, OMISSIONS, OR VIOLA TIONS OF ORDINANCES OR STANDARDS
SHALL BE CORRECTED DURING CONS TRUC TION.
IAN J. PARKS DATE
R.CE. 58155 (EXP 6- 30 -16)
C/ T Y RECORDS NO:
APPROVED BY:
v.z 4
PUBLIC WORKS DIRECTOR
APPROVAL RECOMMEND
ASSISTANT PUBLIC WORKS D/ EC TOR
REVIEWED B Y.•
TRAFFIC ENGINEER
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(D CONSTRUCT PAVEMENT (0.45' HMA TYPE A/ 0.40' AB CLASS 11).
Q 2 CONSTRUCT TYPE "M" CURB PER COB STD PLAN S7 -2.
O3 CONSTRUCT PCC CONCRETE MEDIAN TREATMENT PER COB
STD PLAN L-12
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2. Replace existing 5,9 pair with 28 pair conductor.
PHASE DIAGRAM
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MOTES
F-1] Location of pole shall be as directed by the Engineer at the site.
F2-]AII utility locations shown are approximate only and represent the best information supplied by the various utility companies.
Final responsibility for locating utilities in the field is the Contractors.
MRelocate existing Opticom 711 pre- emption device where indicated. The Contractor shall furnish and install all cables and
mounting hardware (PELCO AB -121). The Opticom 754 phase selector unit will be in the cabinet by the Contractor. Exact
hardware mounting placement shall be determined by the Traffic Engineer in the field. Contractor shall provide for an Opticom
Technician with DDL Inc. prior to signal turn on. A Opticom Rep. shall be contacted 48 hrs. prior to turn on.
F41contractor shall relocate overhead mast arm street name sign and mounting bracket.
n Install "U -Turn Only' Sign R3 -8U on signal pale.
® Add 01 signal head, modify signal mount as shown on pole schedule.
12IRelocate existing iteris camera on luminaire mast arm. Locate cameras 3' from center of luminaire. All wiring is to be internal
to poles and mast arms to the maximum extent possible and shall exit mast arm at a point 4' from center of luminaire.
® Remove and salvage existing 24 --A -80 pole, abandon foundation, remove top 3' of foundation. Install new pole as shown on
pole schedule. Install new conduit to new pole from existing pull box.
F21New Luminarie shall be LED 300 -w Equivalent
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SHEET NO.
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OF 7
7 -2 GENERAL - The work embraced herein shall be done in accordance with the Standard
Specifications dated July, 2002, and the Standard Plans dated July, 2002, of the State of California
Department of Transportation insofar as the same may apply and in accordance with the following
special provisions.
In case of conflict between the Standard Specifications and these special provisions, the special
provisions shale take precedence over and be used in lieu of such conflicting portions.
7 -2.01 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 nuts and washers to be used for new foundations and shall furnish the appropriate nuts and washers for existing foundations to be reused.
When foundations are to be abandoned as shown on the plans the last paragraph of Section 86 -2.03, "Foundations", shall be amended to read:
When a foundation is to be abandoned, the top of foundation, anchor bolts, and conduits shall be removed to a depth of not less than three (3) feet below surface of sidewalk
or unimproved ground. The resulting hole shall be backfilled with material equivalent to the surrounding material.
All pull boxes and signal standard foundations where the signal standard is to be installed in an un- improved area shall be provided with a concrete pad having a minimum of 6"
clearance from the edge of the pull box and CIDH foundation.
7 -2.02 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 jjacking /drillingor open trench methods unless otherwise shown on the plans. Installation using jacking or drilling shall conform to Section
86- 2.05C, "Installation ", of the Standard Specifications. Open trench installation in pavement shall conform to the following specifications:
a. Conduit shall be rigid non - metallic e. Conduit shall be laced under existing pavement in a trench not #o exceed six 6 inches in width. Trench shall be cut using a
g p p gp (,) 9
rock n 111 n
saw d a loose u com ac type. material h
a ted s al! b removed fir m h m
p e o the bottom of the trench prior to placement of conduit. The top of the installed conduit shall be a
minimum of eighteen to twenty-one (18 -21) inches below finished grade.
b. The conduit shall be placed in the bottom of the trench and the trench shall be backfilled with a two (2) sack slurry, cement backfll. Slurry cement backfill shall be placed to
within 0.20 feet of the pavement or open ground surface. The top 0.20 feet shall be backfilled with asphalt concrete produced from commercial quality paving asphalt and
aggregates. Conduit placed in a trench outside pavement or sidewalk areas shall be backfilled with a two (2) sack slurry cement backfill.
c. Prior to sp r a ad i spreading asphalt concrete, ete, paint t binder shall be applied as specified in Section 39 -
04.02, 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.
d. 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 siggnal conduits new or existing. The pull rope shall be nylon or polypropylene with a minimum tensile strength of 500 pounds. At least 2 feet
of pull rope shall be doubled back into the conduit at each termination.
7 -2.03 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.
All pull boxes shall be No. 5 with a 6" minimum concrete apron if pull boxes are not located within sidewalk.
7 -2.04 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, video power and between the service point 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 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
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.
7- 2.07A.1 General
1.1 Each module shall consist of an assembly that utilizes LEDs as the light source in lieu of an incandescent LED for use in traffic signal sections.
1.2 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 continuous operation from -40 "C to +74° F.
1.3 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.
1.4 The individual LEDs shall be wired such that a catastrophic loss or the failure of one or more LED will not result in the loss of the entire module.
1.5 Electrical
1.5.1 Power Consumption
1.5.1.1 Maximum power consumption requirements for the modules are as follows (in Watts):
1.5.1.2 LED modules will have EPA Energy Star compliance ratings, if applicable to that shape, size and color.
1.5.2 Operation Voltage
1.5.2.1 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
visible effect on the luminous intensity of the indications. g g g g
1.5.2.2 Operating voltage of the modules shall be 120 VAC. All parameters shall be measured at this voltage.
1.5.3 Power Factor
The LED signal module shall have a power factor of 0.90 or greater.
1.5.4 THD
Total harmonic distortion (current and voltage) induced into an AC power line by an LED signal module shall not exceed 20 percent.
1.5.5 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-211992.
1.5.6 The LED circuitry shall prevent perceptible flicker to the unaided eye over the voltage range specified above.
1.5.7 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).
1.5.8 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.
1.5.8.1 When a current of 20 mA AC (or less) is applied to the unit, the voltage read across the two leads shall be 15 VAC or less.
1.5.9 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.
1.613hotometric Requirements
1.6.1 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.
1.6.1.1 The modules (excluding yellow) shall meet or exceed the illumination values as shown in Table 2 -3 and /or Table 2 -5, throughout the useful life based on
normal use in a traffic signal operation over the operatingtemperature range.
1.6.1.2 Yellow modules shall meet or exceed the illlumina ion values as 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.
1.6.2 The measured-chromaticity coordinates of the modules shall conform to the chromaticity requirements of Table 2 -6, throughout the useful life over the operating
temperature range.
1.7 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. p g p g q p
1.8 Environmental Requirements
1.8.1 The LED signal module shall be rated for use in the operating temperature range of - 40 °C( -40 0F) to +74 °C ( +165 0F). The modules shall meet all specifications throughout
this range.
1.8.2 The LED signal module shall be protected against dust and moisture intrusion per the requirements of NEMA Standard 250 -199 1 for Type 4 enclosures to protect all
internal components.
1.9 Construction
1.9.1 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
for the module shall be integral to the unit.
1.9.2 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
it
Equipment Specifications
1.9.3 The assembly and manufacturing process for the LED signal assembly shall be signed to assure all internal components are adequately supported to withstand
mechanical shock and vibration from high winds and other sources.
1.10 Materials
1.10.1 Material used for the lens and signal module construction shall conform to ASTM specifications for the materials.
1.10.2 Enclosures contanning either the power su ply 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 .
1.11 Module Identification
1.11.1 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.
1.11.2 The following operating characteristics shall be permanently marked on the back of the module: rated voltage and rated ower in Watts and Volt - Ampere.
1.11.3 Each module shall have a symbol of the type of module i.e. circle, arrow, etc.) in the color of the module. The symbol call be one inch (25.4 mm) in diameter.
Additionally, the color shall be written out in Y2 next to the symbol.
1.11.4 If a specific mounting rientation i required, Y
The markings shall consist of an u arrow, qor they word " UP� ore' shall prominent and permanent marking(s) for correct indexing and orientation within a signal housing.
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7- 2.07A.2 Type 1 Traffic Signal Module
The following specification requirements apply to the Type 1 module only. All general specifications apply unless specifically superceded in this section.
2.1 T pe 1 modules can be manufactured under this specification for the following faces:
2.1.T 300 mm circular
2.1.2 200 mm circular
2.1.3 300 mm arrow
2.1.4 Bicycle indication (future)
2.1.5 Lane Control (future)
2.2 Physical and Mechanical Requirements
2.2.1 The module shall fit into existing traffic signal section housings built to the specifications detailed in ITE Publication: Equipment and Material Standards, Chapter 2
(Vehicle Traffic Control Signal Heads).
2.2.2
Each Type 1 module shall be designed to be installed in the doorframe of a standard traffic signal housing. The Type 1 module shall be sealed in the doorframe with a
one -piece EPDM (ethylene propylene rubber gasket.
2.2.3 The maximum weight of a Type 1 module shall be a 1.8 k 4 lbs. .
2.2.4 Each Type 1 module shall be s sealed unit to include all arts necessary for operation a printed circuit board power supply, a lens and gasket, etc. and shall be
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weather proof after installation and connection.
2.2.5 Conductors
Two secured, color coded, 600 V, 20 AWG minimum, jacketed wires, conforming to the National Electric Code, rated for service at +105 0 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.
2.2.6 Ifs ecified in the purchase order, the module will be equipped with an adapter that will screw into the medium base, LED socket. The adapter shall be able to accept
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the i k disconnect u d sco n terminals c ect to als at the n f
eedothe conductors r
fo the mo le. The electrical q du e e ect ical contacts of the adapter shall be made of brass.
2.3 Lens
2.3.1 The lens of the Type 1 module shall be integral to the unit, shall be convex with a smooth outer surface and made of plastic or of glass.
2.3.2 The lens may be tinted or may use transparent film or materials with similar characteristics to enhance ON /OFF contrasts.
3.3.2.1 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.
2.3.3 The LED signal module lens shall be W stabilized and shall be capable of withstanding ultraviolet (direct sunlight) exposure for a minimum period of 60 months without
exhibiting evidence of deterioration.
2.3.4 If a polymeric lens is used, a surface coating or chemical surface treatment shall be used to provide front surface abrasion resistance.
7- 2.07A.3 Type 2 Traffic Signal Module
The following specification requirements apply to the Type 2 module only. All general specifications apply unless specifically superceded in this section.
3.1 T pe 2 modules can be manufactured under this specification for the following faces:
1
3.1. T 300 mm circular
3.1.2 200 circular
3.1.3 300 mm arrow
3.1.4 Programmed Visibility �red, yellow, green)
3.2 Physical and Mechanical e uirements
3.2.1 The module shall fit into existingg traffic signal section housings built to the specifications detailed in the iTE Publication: Equipment and Material Standards, Chapter 2
Vehicle Traffic Control Signal Neads }, with the existing lens, reflector and LED socket remaining n lace and without modification to the housing.
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3.2.2 Each Type 2 module shall�be designed to mount in the standard LED socket normal) used with an incandescent LED. g
3.2.3 The maximum weight of a Type 2 module shall be 1.4 k (3lbs). Y w d
3.2.4 Type 2 modules shall be a sealed unit containing all components necessary for operation.
3.3 The installation of a Type 2 module shall not require any removal of, or modification to the standard LED socket or reflector. The installation of a Type 2
module shall not require special tools.
7- 2.07A.4 300 mm Arrow
The following specification requirements apply to the 300 mm arrow module only. All eneral . specifications apply unless specifically superceded in this section.
4.1 The arrow module shall meet specifications stated in Section 9.01 of fihe ITT Publication: E =pment and Material Stand =s , Chapter 2 (Vehicle Traffic Control Signal
Heads) for arrow indications.
4.2 The LEDs shall be spread evenly across the illuminated portion of the arrow area.
7- 2.07A.5 300 mm Bicycle
The following specification requirements apply to the 300 mm bicycle module only. All general specifications apply unless specifically superceded in this section.
5.1 The bicycle module shall approximate shapa and size - p
p s e as shown in Figure 6 1 for bicycle signal face. �altrans shall make the final determination as
to the conformance to the intent of the specification. g Y g
5.2 The LEDs shall be spread evenly across the illuminated portion of the bicycle area.
7- 2.07A.6 300 mm Programmed Visibility (PV)
The following specification requirements apply to the 300 mm PV module only. All general specifications apply unless specifically superceded in this section.
6.1 The module shall be a type 2 module designed and constructed to be installed in a programmed visibility (PV) signal housing without modification to the housing.
6.2 The LEDs shall be spread evenly across the module.
7- 2.07A.7 300 mm Lane Control
The following specification requirements is apply to the 300 mm lane control module only. The lane control module is a single, combination module with both a red X and green arrow.
All general specifications apply unless specifically superceded in this section.
7.1 The lane control module shall approximate shape and size specifications as shown in Fi ures 8 -1 and 8 -2 for lane control modules. Caltrans shall make the final
determination as to the conformance to the intent of the specification. g
7.2 Three 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 lane control D signal
,� c LE, s al module. Conductors for this module 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. The color code is as follows:
FunctionColorneutralwhitered Xredgreen arrowbrown
7.3 The LEDs shall be spread evenly across the illuminated portions of this module.
7- 2.07A.8 Quality Assurance
8.1 The modules shall be manufactured in accordance with a manufacturer quality assurance (QA) program. The QA program shall include two types of quality assurance: (1)
design quality assurance and (2) production quality assurance. The production quality assurance shall include statistically controlled routine tests to ensure minimum
performance levels of LED signal modules to meet this specification, and a documented process of how problems are to be resolved.
8.2 QA process and test results documentation shall be kept on file for a minimum period of seven years. p
8.3 LED signal module designs not satisfying design qualification testing and the production quality assurance testing performance requirements described below shall not be
labeled, advertised, or sold as conforming to this specification.
8.4 Design Qualification Testing
8.4.1 Design Qualification Testing shall be performed by the manufacturer or an independent testing lab hired by the manufacturer on new LED module designs, and when a
major design change has been implemented on an existin design. A major design change is defined as a design change (electrical or physical) which changes any of the
performance characteristics of the module, results in a different circuit configuration for the power supply, or changes the layout of the individual LEDs in the module.
8.4.2 A quantity of two units for each design shall be submitted for Design Qualification Testing. .
8.4.2.1 Test Units shall be submitted to Caltrans Translab, Electrical Testing Branch after the manufacturer's testing is complete.
8.4.2.2 Manufacturer's testing data shall be submitted with test units for Caltrans verification of Design Qualification Testing data.
8.4.3 Burn In.
The sample modules shall be energized for a minimum of 24 hours, at 100 percent on -time duty cycle, at a temperature of +74 °C ( +165° F), before performing any
design qualification testing.
8.4.4 Any failure of the module which renders the unit non - compliant with the specification after bum in, shall be cause for rejection.
8.4.5 For Design Qualification Testin , all specifications will be measured including, but not limited to:
8.4.5.1 Rated Initial Luminous Intensity, measured at +25 °C.
8.4.5.2 Chromaticity (Color), measured at +25° C.
8.4.5.3 Electrical
All specified parameters shall be measured and used for quality comparison of production quality assurance on production modules (rated power, etc).
8.4.5.4 Equipment Compatibility.
Modules shall be tested for compatibilittyy with the controller unit, conflict monitor, and load switch. Each signal module shall be connected to the output of a standard load
switch in the "off' position. The AC voltage developed across each LED signal module so connected shall not exceed 10 V rms as the input AC voltage is varied from 95
V rms to 135 V rms.
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8.4.5.5 Mechanical vibration testing shall be as per MIL -STD -883, Test Method 2007, using 3 four minute cycles along each x, y and z axis, at a force of 2.5 Gs, with a
frequency weep from 2 HZ to 120-HZ. The loosening of the lens, or of any internal components, or other physical damage shall be cause for rejection.
8.4.5.6 Temperature cycling shall be performed as per MIL -STD -883, Test method 1010. The temperature range shall be per "Environmental Requirements ". A
minimum of 20 cycles shall-be performed with a 30 minute transfer time between temperature extremes and a 30 minute dwell time at each temperature. Module(s)
being tested shall be energized and functioningg throughout the duration of the test. Failure of a module to function properly or any evidence of cracking of the module
lens or housing after temperature cycling shall
1%e cause for rejection.
7- 2.07A.9 Production Quality Control Testing.
9.1.1 The following Production Quality Assurance tests shall be performed on each new module prior to shipment. Failure to meet requirements of any of these tests shall be
cause for rejection. Test results shall be retained by the manufacturer for seven ears.
9.1.2 Burn -in period shall consist of each signal module being energized at rated voltage for a 30 minute stabilization period before the measurement is made (except for
yellow modules).
9.1.3 Each module shall be tested for rated initial intensity after burn -in. .
9.1.3.1 A single point measurement, with a correlation to the intensity requirements of Table 2 -2 for circular modules, may be used.
9.1.3.2 The ambient temperature for this measurement shall be +25 °C ( +77 0F).
9.1.3.3 Each module not meeting minimum luminous intensity requirements per Table 2 -2 or Table 2-4 shall be cause for rejection.
9.1.4 Each module shall be tested for required power factor after burn -in.
9.1.5 Each module shall be measured for current flow in amperes after burn -in. The measured current values shall be compared against rated values resulting from design
qualification measurements under "Design Qualification TestiA�sical " The current flow shall not exceed the rated value.
9.1.6 Each module shall be visua l! inspected for any exterior damage or assembly anomalies. Careful attention shalt be paid to the surface of the lens to ensure
there are no scratches (abrasions, cracks, chips, discoloration, or other defects. Any such defect shall be cause for rejection.
7- 2.07A.10 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
s,�pecifications. 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.
7- 2.07A.11 MAINTENANCE PERIOD AND REPLACEMENT MODULES. Three extra modules of each size and type that are furnished for this project shall be delivered to the
Engineer for use as replacements for modules that may fail.
7- 2.07A.12 GUARANTEE. LED signal modules shall be guaranteed by the Contractor by supplying the City with the original manufacturer's warranty after the project is accepted by
the Engineer. The warranty duration shall be as outlined under the following warranty section.
7- 2.07A.13 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 shell 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.
7- 2.08A.1 LIGHT EMITTING DIODE COUNTDOWN PEDESTRIAN SIGNALS
Countdown pedestrian signals shall consist of Portland orange numbers that are at least 6 inches in height on a black opaque background. The countdown pedestrian signal shall be
located immediately adjacent to the associated UPRAISED NAND (symbolizing DONT WALK) pedestrian signal head indication.
The display of the number of remaining seconds shall begin only at the beginning of the pedestrian change interval (flashing UPRAISED HAND). After the countdown displays zero,
the display shall remain dark until the beginning of the next countdown.
The countdown pedestrian signal shall display the number of seconds remaining until the termination of the pedestrian change interval (flashing UPRAISED HAND). Countdown
displays shall not be used during the walk interval or during the red clearance interval of a concurrent vehicular phase.
For crosswalks where the pedestrian enters the crosswalk more than 100 feet from the countdown pedestrian signal display, the numbers should be at least 9 inches in height.
Because some technology includes the countdown pedestrian siggnal, logic in a separate timing device that is independent of the timing in the traffic signal controller, care should be
exercised by the engineer when timing changes are made to pedestrian change intervals.
If the pedestrian change interval is interrupted or shortened as a part of a transition into a preemption sequence (see Section 4E.06), the countdown pedestrian signal display should
be discontinued and go dark immediately upon activation of the preemption transition.
1.5.3 Power Factor
The LED signal module shall have a power factor of 0.90 or greater.
1.5.4 THD
Total harmonic distortion (current and voltage) induced into an. AC power line by an LED signal module shall not exceed 20 percent.
1.5.5 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.
1.5.6 The LED circuitry shall prevent perceptible flicker to the unaided eye over the voltage range specified above.
1.5.7 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
1.5.8 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.
1.5.8.1 When a current of 20 mA AC (or less) is applied to the unit, the voltage read across the two leads shall be 15 VAC or less.
1.5.9 The modules and associated onboard circuitry must meet Class A emission limits referred to in Federal Communications Commission (FCC) Title 47, Subpart B, Section 15
regulations concerning the emission of electronic noise.
1.6 Environmental Requirements
1.6.1 The LED signal module shall be rated for use in the operating temperature range of -40 °C ( -40° F) to +74 °C ( +1 65 0F). The modules shall meet all specifications throughout
this range.
1.6.2 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.
1.7 Construction
1.7.1 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 for the
module shalt be integral to the unit.
1.7.2 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".
1.7.3 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.
1.8 Materials
1.8.1 Material used for the lens and signal module construction shall conform to ASTM specifications for the materials.
1.8.2 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.
1.9 Module Identification
1.9.1 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.
1.9.2 The following operating characteristics shall be permanently marked on the back of the module: rated voltage and rated power in Watts and Volt - Ampere.
1.9.3 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 ".
7- 2.08A.2 Type A Pedestrian Signal Face (Countdown Pedestrian Signal per MUTCD 4E.07)
The following specification requirements apply to the walking person section only. All general specifications apply unless specifically superseded in this section.
2.1 General
2.1.1 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 Material Standards, Chapter 3 (Pedestrian Traffic Control Signal Indications).
2.1.2 The design of the modules shall require a specific mounting orientation.
2.2 Photometric Requirements
2.2.1 Each module shall provide an average luminous intensity of at least 3,750 candela /m* for "Hand" and 5,300 candela/m* or "Walking Person" symbol throughout the useful life
over the operating temperature range.
2.2.2 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.
2.2.3 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).
2.2.3.1 "Hand" shall be Portland orange. Not greater than 0.390, nor less than 0.331, nor less than 0.997 -x.
2.2.3.2 Walking person shall be lunar white.
x: not less than 0.290, nor greater than 0.330
y: not less than 1.5x -- 0.17. , nor greater than 1.5x -0.130
2.3 Physical and Mechanical Requirements
2.3.1 The module shall be designed to be used in the pedestrian signal section as retrofit replacement for existing signal LEDs and shall not require special tools for installation.
2.3.1.1 The module shall fit into existing pedestrian signal section housings built to the PTCSH specifications without modification to the housing.
2.3.2 The height of each symbol on the module shall be not less than 250 mm and the width of each symbol on the module s all not be less than 165 mm.
2.4 Construction
The modules shall be a single, self - contained device, not requiring on -site assembly for installation into an existing Type "A" housing.
7- 2.08A.3 Quality Assurance
3.1 The modules shall be manufactured in accordance with a manufacturer quality assurance (QA) program.
The QA program shall include two types of quality assurance: (1) design quality assurance and (2)
production quality assurance. The production quality assurance shall include statistically controlled routine tests to ensure minimum performance levels of LED signal modules built
to meet this specification, and a documented process of how problems are to be resolved.
3.2 QA process and test results documentation shall be kept on file for a minimum period of seven years.
3.3 LED signal module designs not satisfying design qualification testing and the production quality assurance testing performance requirements described below shall not be
labeled, advertised, or sold as conforming to this specification.
3.4 Design Qualification Testing
3.4.1 Design Qualification Testing shall be performed by the manufacturer or an independent testing lab hired by the manufacturer on new LED module designs, and when a major
design change has been implemented on an existing design. A major desi n change is defined -as a design change electrical or physical) which changes an of he
performance characteristics of the module results in a different circuit configuration for the power supply, or changes the layout of the individual LEDs in the module.
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3.4.2 A quantity of two units for each design shall be submitted for Design Qualification Testing.
3.4.2.1 Test Units shall be submitted to Caltrans Laboratory, Electrical Testing Branch, after the manufacturer's testing is complete.
3.4.2.2 Manufacturer's testing data shall be submitted with test units for Caltrans verification of Design Qualification Testing data.
3.4.3 Burn In
The sample modules shall be energized for a minimum of 24 hours, at 100 percent on - -time duty cycle, at a temperature of +74° C( +165° F), before performing any design
qualification testing.
3.4.4 Any failure of the module, which renders the unit non - compliant with the specification after burn in, shall be cause for rejection.
3.4.5 For Design Qualification Testing, all specifications will be measured including, but not limited to:
3.4.5.1 Rated Initial Luminous intensity, measured over the operating temperature range.
3.4.5.2 Chromaticity (Color), measured over the operating temperature range.
3.4.5.3 Electrical.
All specified parameters shall be measured and used for quality comparison of production quality assurance on production modules (rated power, etc.).
3.4.5.4 Equipment Compatibility.
Modules shall be tested for compatibility with the controller unit, conflict monitor, and load switch. Each signal module shall be connected to the output of a standard load switch,
connected to an AC voltage supply between the values of 95 and 135 VAC, with the input to the load switch in the off' position. The AC voltage developed across each LED
signal module so connected shall not exceed 10 V rms as the input AC voltage is varied from 95 V rms to 135 V rms.
3.4.5.5 Mechanical vibration testing shall be as per MIL- STD -883 Test Method 2007, using 3 four minute cycles along each x, y, and z axis at a force of 2.5 Gs, with a frequency
sweep from 2HZ to 120 HZ. -The loosening of the lens, or of any internal components, or other rejection.
physical damage shall be cause for rej
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3.4.5.6 Temperature cycling shall be performed as per MIL - STD -883, test method 1 01 0. The Temperature range shall be per'Environmental Requirements ". A minimum of 20 cycles
shall be performed with a 30 minute transfer time between temperature extremes and a 30 minute dwelCtime at each temperature. Modules being tested shall be energized
and functioning throughout the duration of the test. Failure of a module to function properly or any evidence of cracking of the module lens or housing after temperature cycling
shall be cause for rejection.
3.4.5.7 Moisture resistance shall be performed on all modules mounted in a standard type "A" pedestrian housing per NEMA Standard 250 -1991 for Type 4 enclosures. Any
evidence of internal moisture after testing shall be cause for rejection.
7- 2.08A.4 Production Quality Control Testing. .
4.5.1 The following Production Quality Assurance tests shall be performed on each new module prior to shipment. Failure to meet requirements of any of these tests shall be
cause for rejection. These results shall be retained by the manufacturer for seven years.
4.5.2 Burn -in period shall consist of each signal module being energized at rated voltage or a 30 minute stabilization period before the measurement is made.
4.5.3 Each module shall be tested for rated initial intensity after burn -in.
4.5.3.1 A single point measurement, with a correlation to the intensity requirements of Section 1.04 of the VTCSH for circular modules, may be used.
4.5.3.2 The ambient temperature for this measurement shall be a +25° C ( +77° F).
4.5.3.3 Each module not meeting minimum luminous intensity requirements of 3,750 cd /m* for Hand and 5300 cd /m2 for Walking Person Symbol shall be cause for rejection.
4.5.4 Each module shall be tested for required power factor after burn -in.
4.5.5 Each module shall be measured for current flaw in amperes after burn -in. The measured current values shall be compared against rated values resulting from design
qualification measurement under "Design Qualification Testing ". The current flow shall not exceed the rated value.
4.5.6 Each module shall be visually inspected for any exterior physical damage or assembly anomalies. Careful attention shall be paid to the surface of the lens to ensure there are
no scratches (abrasions), cracks, chips, discoloration, or other defects. Any such defect shall be cause for rejection.
7- 2.08A.5 Maintenance Period and Replacement Modules
Three extra modules of each size and type that are furnished for this project shall be delivered to the Engineer for use as replacements for modules that may fail.
7- 2.08.6 Guarantee
Pedestrian Signal Face (Countdown Pedestrian Signal per MUTCD 4E.07) section modules shall be guaranteed by the Contractor by supplying the City with the original
manufacturer's warranty after the project is accepted by the Engineer. The warranty duration shall be as outlined under the following warranty section.
7- 2.08A.7 Warranty.
The manufacturer shall provide a written warranty against defects in materials and workmanship for the Pedestrian Signal Face.(Countdown Pedestrian Signal per MUTCD 4E.07)
modules for a period of 60 months after installation of the modules. All warranty documentation shall -be given to the Engineer prior to installation.
Three extra modules of each size and type that are furnished for this project shall be delivered to the Engineer for use as replacements for modules that may fail.
7- 2.08A.8 Pedestrian Push Buttons
Pedestrian push buttons shall conform to the provision in Section 86 -5.02 "Pedestrian Push Buttons" of the Standard Specifications and these special provisions. Pedestrian push
button signs shall be fastened with tamper proof L.H. Dottie Co., stainless steel button head star pin fasteners, 8/32" x 1/2" T832121T or equal. Pedestrian push buttons shall be
:
installed with equipment to aid the visually impaired as stated in Accessible Pedestrian Signals and Accessible Pedestrian Signal Detectors" in these special provisions. Push
buttons shall be ADA audible.
7- 2.08A.09 Guarantee
Pedestrian Signal Face (Combination Raised Hand/Walking Person) section modules shall be guaranteed by the Contractor by supplying the City with the original manufacturer's
warranty after the project is accepted by the Engineer. The warranty duration shall be as outlined under the following warranty section.
7- 2.08A.10 Warranty
The manufacturer shall provide a written warranty against defects in materials and workmanship for the Pedestrian Signal Face (Combination Raised HandANalking Person)
modules for a period of 60 months after installation of the modules. All warranty documentation shall be given to the Engineer prior to installation.
7 -2.09 LUMINAIRES. Luminaires shall be LED 30OW Equivalent.
7 -2.10 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 photoelectric control.
7 -2.11 CONTROLLERS, CABINETS AND AUXILIARY EQUIPMENT. The Contractor shall furnish the controller and cabinet assembly for the location complete with all
necessary prom modules, conflict monitor, flasher units and relays, isolation module, switch packs, detector cards, keys and locks. The contractor shall deliver the Controller and
Cabinet assembly to Frank Young at the City of Bakersfield Corporate Yard at 4101 Truxtun Avenue for testing and inspection prior to installation.
The central pad on the Foundation Detail in State Standard Plan ES -413 shall be increased from a height of three and one -half (3.5) inches to a height of twelve (12) inches.
The Contractor shall supply and install each controller cabinet with the surge suppressor module combination terminal block EDCO PC642C -015D & PCBiB or equivalent.
Street lights shall be salvaged and delivered to location approved by the City.
GUARANTEE. 7-2.12 . Th
1 GU E e Contractor shall furnish a written guarantee to the City on the form at #achedAlty uaranteeing all systems 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 before final acceptance is made b the City of the work described on the
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plans and these special provisions.
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STANDARD NOTES
1. ALL IMPROVEMENTS SHALL BE IN ACCORDANCE WITH THE REQUIREMENTS AND
SPECIFICATIONS OF THE CITY OF BAKERSFIELD.
2. THE FOLLOWING CITY OF BAKERSFIELD STANDARD DETAILS SHALL BE CONSIDERED
PART OF THESE PLANS ST -2, ST -13, L -12 (CONTRACTOR TO OBTAIN LATEST
EDITION THEREOF).
3. PAVING FOR RESIDENTIAL AND LOCAL STREETS SHALL BE AS NOTED ON THE
SECTION(S) SHOWN ON SHEET 3 OF THIS DRAWING SET. O.G. TO BE COMPACTED
TO 90% RELATIVE DENSITY PER C.O.B. STD S -25 (ST -13).
4. INSTALL TRAFFIC CONTROL SIGNS
5. UNDERGROUND SERVICE ALERT SHALL BE CONTACTED AT LEAST 2 WORKING DAYS
PRIOR TO CONSTRUCTION AT 1 --800- 227 -2600.
6. AN OPEN STREET PERMIT SHALL BE OBTAINED FROM THE CITY OF BAKERSFIELD
PUBLIC WORKS DEPARTMENT FOR ANY WORK PERFORMED WITHIN EXISTING
ACCEPTED STREET RIGHT -OF -WAY, UNLESS SECURED BY A SUBDIVISION
AGREEMENT, SECURITY BASED ON AN APPROVED ENGINEER'S ESTIMATE FOR THE
WORK PERFORMED WITHIN THE RIGHT -OF --WAY AND INSURANCE SHALL BE POSTED
PRIOR TO ISSUANCE OF THE PERMIT.
7. AGGREGATE BASE MATERIAL FOR ARTERIAL & COLLECTOR ROADWAYS SHALL BE
CLASS II CONFORMING TO SECTION 26 OF THE CALTRANS STANDARD
SPECIFICATIONS LATEST EDITION.
8. AGGREGATE BASE SHALL BE FURNISHED AND PLACED IN ACCORDANCE WITH THE
CONTRACT PLANS, THE STANDARD SPECIFICATIONS FOR PUBLIC WORKS
CONSTRUCTION AND THESE DETAILED SPECIFICATIONS. AGGREGATE BASE SHALL BE
GRADED TO WITHIN THE CITY TOLERANCES AND COMPACTED TO 95% OF THE
MAXIMUM DRY DENSITY IN ACCORDANCE WITH ASTM D- 1557 -02CL.
9. SUBGRADE PREPARATION: THE CONTRACTOR SHALL FINE GRADE AND COMPACT
STREET SUBGRADE IN ACCORDANCE WITH THE CONTRACT PLANS, CITY
REQUIREMENTS, AND STANDARD SPECIFICATIONS. SUBGRADE SHALL BE GRADED TO
WITHIN THE CITY TOLERANCES AND COMPACTED TO 95% OF THE MAXIMUM DRY
DENSITY IN ACCORDANCE WITH ASTM D- 1557 -02CL.
10. COMPACTION TEST NOTE: COMPACTION TEST SHALL BE THE RESPONSIBILITY OF
THE DEVELOPER /SUBDIVIDER /CONTRACTOR. THE NUMBER AND ALLOCATION OF
REQUIRED TESTS SHALL BE DETERMINED BY THE CITY ENGINEER.
11. SIGN NUMBERS ARE CALIFORNIA CODES.
12. APRE- CONSTRUCTION CONFERENCE WILL BE REQUIRED FOR THIS PROJECT.
CONTACT THE CONSTRUCTION DIVISION AT (661) 326 -3106 OR (661) 326 -3049
AT LEAST 10 WORKING DAYS PRIOR TO THE DESIRED START OF CONSTRUCTION TO
SET UP AN APPOINTMENT FOR THE PRE - CONSTRUCTION CONFERENCE.
13. 24 HOUR INSPECTION NOTICE: PRIOR TO THE START OF ANY PHASE OF
CONSTRUCTION, THE CITY CONSTRUCTION INSPECTION DIVISION SHALL BE GIVEN
AT LEAST 24 HOURS NOTICE. THE INSPECTION DIVISION MAY BE NOTIFIED AT
(661) 326 -3049
14. CONTRACTOR SHALL PROVIDE TRAFFIC CONTROL ALONG CITY STREETS FOR THE
DURATION OF THE WORK, INCLUDING NIGHTS, WEEKENDS AND HOLIDAYS. TRAFFIC
CONTROL SHALL CONFORM TO THE GUIDELINES OF THE STATE OF CALIFORNIA
DEPARTMENT OF TRANSPORTATION'S "MANUAL OF TRAFFIC CONTROL FOR
CONSTRUCTION AND MAINTENANCE WORK ZONES" AND CITY STANDARDS. ONE
LANE FOR EACH DIRECTION OF TRAFFIC SHALL BE MAINTAINED AT ALL TIMES. THE
CONTRACTOR SHALL SUBMIT A TRAFFIC CONTROL PLAN TO THE CITY ENGINEER
FOR APPROVAL PRIOR THE START OF ANY CONSTRUCTION. NO STREET PERMIT
WILL BE ISSUED NOR SHALL ANY CITY INSPECTION BE PROVIDED UNTIL SAID
TRAFFIC CONTROL PLAN HAS BEEN APPROVED BY THE CITY ENGINEER.
15. STREETLIGHT LUMINAIRES ARE TO BE LED AS SPECIFIED IN COB SPECIAL
PROVISIONS SECTION 86 -6.01 OF WHICH MODELS INCLUDE: AMERICAN ELECTRIC
LIGHTING ATBO, AUTOBAHN SERIES LEO TEK EC1 THRU EC7 SERIES, CREE XSP /
XSPR SERIES AND OTHERS ON APPROVED LIST OR AN EQUIVALENT AS APPROVED
BY CITY ENGINEER.
A.C. PAVING NOTES:
1. ASPHALT CONCRETE SHALL BE TYPE 'A' (MODIFIED) FOR ALL ARTERIAL AND COLLECTOR STREETS AND TYPE 'B'
(MODIFIED) FOR LOCAL STREETS AND SHALL CONFORM TO THE PROVISIONS IN SECTION 39, "ASPHALT
CONCRETE", OF THE STANDARD SPECIFICATIONS AND THESE SPECIAL PROVISIONS.
2. PRIOR TO THE ADDITION OF ASPHALT BINDER, THE COMBINED MINERAL AGGREGATE FOR TYPE 'A' (MODIFIED)
OR TYPE 'B' (MODIFIED) ASPHALT CONCRETE SHALL CONFORM TO THE REQUIREMENTS OF SECTION 39 -2.02,
"AGGREGATE ", OF THE STANDARD SPECIFICATIONS FOR 3/4 INCH MAXIMUM, MEDIUM GRADING.
3. ASPHALT BINDER FOR TYPE 'A' (MODIFIED) ASPHALT CONCRETE SHALL BE PG 64-10 PERFORMANCE GRADED
ASPHALT, UNLESS OTHERWISE DIRECTED BY THE CITY ENGINEER. ASPHALT BINDER FOR TYPE 'B' (MODIFIED)
ASPHALT CONCRETE SHALL BE PG 64 -10 PERFORMANCE GRADED ASPHALT, UNLESS OTHERWISE DIRECTED BY
THE CITY ENGINEER. THE ASPHALT BINDER SHALL CONFORM TO THE REQUIREMENTS IN THE TABLE FOR
STEAMREFINED PAVING ASPHALTS", IN SECTION 92 -1.02, "GRADES ", OF THE STANDARD SPECIFICATIONS.
4. THE AMOUNT OF THE ASPHALT BINDER TO BE MIXED WITH THE MINERAL AGGREGATE SHALL BE DETERMINED BY
THE CONTRACTOR IN ACCORDANCE WITH CALIFORNIA TEST METHOD 367 USING SAMPLES OF MATERIALS
PROPOSED FOR USE IN THE WORK. THE AMOUNT OF ASPHALT BINDER SHALL BE APPROVED BY THE CITY
ENGINEER.
5. AT LEAST 14 DAYS PRIOR TO THE START OF WORK, THE CONTRACTOR SHALL SUBMIT THE FOLLOWING FOR THE
CITY ENGINEER'S REVIEW AND APPROVAL:
A. A LIST OF AGGREGATE AND ASPHALT SOURCES.
B. DOCUMENTATION VERIFYING THAT THE AGGREGATES TO BE INCORPORATED IN THE WORK CONFORM TO THE
REQUIREMENTS SO SECTION 39 -2.02, "AGGREGATE ", OF THE STANDARD SPECIFICATIONS AND THESE
SPECIAL PROVISIONS. MATERIAL SIEVE ANALYSIS AND SAND EQUIVALENT TEST RESULTS SHALL NOT BE
OLDER THAN SIX (6) MONTHS. ALL OTHER TEST RESULTS SHALL BE NO OLDER THAN ONE (1) YEAR.
C. AN ASPHALT CONCRETE MIX DESIGN DETERMINED IN ACCORDANCE WITH CALIFORNIA TEST 367. LABORATORY
TEST RESULTS ON WHICH THE DESIGN IS BASED SHALL BE SUBMITTED WITH THE MIX DESIGN ALONG WITH
THE THEORETICAL MAXIMUM DENSITY OF THE DESIGN MIXTURE AS DETERMINED BY ASTM D2041. THE
ASPHALT CONCRETE MIX SHALL MEET THE REQUIREMENTS OF SECTION 39 -2.02, "AGGREGATE ", OF THE
STANDARD SPECIFICATIONS AND THESE SPECIAL PROVISIONS. IF THE DATA SUBMITTED SHOWS THAT THE
MATERIALS ARE SUBSTANTIALLY THE SAME AS WHEN THE DESIGN WAS PREPARED, THE DESIGN MAY BE UP
TO THREE (3) YEARS OLD. THE CONTRACTOR SHALL BEAR ALL THE COSTS ASSOCIATED WITH THE ASPHALT
CONCRETE MIX DESIGN.
6. WHERE NEW ASPHALT CONCRETE PAVEMENT IS TO CONFORM TO EXISTING PAVED SURFACES, THE EXISTING
PAVEMENT IS TO BE SAW CUT IN A NEAT STRAIGHT LINE, EITHER PARALLEL OR PERPENDICULAR TO THE
CENTERLINE OF THE STREET, AND AT A MINIMUM DISTANCE OF ONE (1) FOOT FROM THE EXISTING EDGE OF
PAVEMENT.
7. A PRIME COAT WILL NOT BE REQUIRED ON NON -PAVED AREAS TO BE SURFACED PRIOR TO THE PLACEMENT OF
ASPHALT CONCRETE. HOWEVER, ALL OTHER REQUIREMENTS OF SECTION 39 -4.01 "SUBGRADE ", OF THE
STANDARD SPECIFICATIONS SHALL BE MET.
8. THE AREA TO WHICH PAINT BINDER HAS BEEN APPLIED SHALL BE CLOSED TO PUBLIC TRAFFIC. CARE SHALL BE
TAKEN TO AVOID TRACKING BINDER MATERIAL ONTO THE EXISTING PAVEMENT SURFACE BEYOND THE LIMITS OF
CONSTRUCTION.
9. PAVING SEAMS SHALL BE LOCATED TO MATCH DESIGNED TRAFFIC LANE STRIPE LOCATIONS UNLESS OTHERWISE
PERMITTED BY THE CITY ENGINEER.
10. INTERSECTIONS AND TAPERED SHOULDERS SHALL BE SURFACED AS DIRECTED BY THE CITY ENGINEER.
ADDITIONAL ASPHALT CONCRETE SHALL BE PLACED AT ROAD CONNECTIONS AND PRIVATE DRIVE WHERE SHOWN
ON THE PLANS AND AS DIRECTED BY THE CITY ENGINEER AND SHALL BE HAND RAKED, IF NECESSARY, AND
COMPACTED TO FORM SMOOTH, TAPERED CONNECTIONS.
11. WHERE THE COMPACTED THICKNESS OF A LAYER OF ASPHALT CONCRETE IS 0.15 FOOT OR LESS, PAVING
OPERATIONS SHALL BE CONDUCTED IN SUCH A MANNER THAT, AT THE END OF EACH WORK SHIFT, THE LENGTH
OF PAVEMENT ALONG THE LONGITUDINAL DROP -OFF BETWEEN ADJACENT LANES IS NOT GREATER THAN THAT
WHICH CAN BE SURFACED DURING THE FOLLOWING SHIFT OF NORMAL PAVING OPERATIONS. ADDITIONAL
ASPHALT CONCRETE SHALL BE PLACED ALONG THE TRANSVERSE DROP -OFFS ON EACH LANE. SUCH
ADDITIONAL ASPHALT CONCRETE SHALL BE HAND RAKED AND COMPACTED TO FORM TEMPORARY CONFORMS
BEFORE THE LANES ARE OPENED TO PUBLIC TRAFFIC. KRAFT PAPER, OR OTHER APPROVED BOND BREAKER,
MAY BE PLACED UNDER THE CONFORMS TO FACILITATE THE REMOVAL OF THE CONFORMS WHEN PAVING
OPERATION RESUME.
12. WHERE COMPACTED THICKNESS OF A LAYER OF ASPHALT CONCRETE IS MORE THAN 0.15 FOOT, PAVING
OPERATIONS SHALL BE CONDUCTED IN SUCH A MANNER THAT THE LAYER OF ASPHALT CONCRETE IS PLACED
ON ALL CONTIGUOUS LANES OF THE TRAVELED WAY BEFORE THE LANES ARE OPENED TO PUBLIC TRAFFIC. AT
THE END OF EACH WORK SHIFT, THE DISTANCE BETWEEN THE ENDS OF A LAYER OF ASPHALT CONCRETE ON
ADJACENT LANES SHALL NOT BE GREATER THAN 10 FEET. ADDITIONAL ASPHALT CONCRETE SHALL BE PLACED
ALONG THE TRANSVERSE DROP -OFFS ON EACH LANE. SUCH ADDITIONAL ASPHALT CONCRETE SHALL BE HAND
RAKED AND COMPACTED TO FORM TEMPORARY CONFORMS BEFORE THE LANES ARE OPENED TO PUBLIC
TRAFFIC. KRAFT PAPER, OR OTHER APPROVED BOND BREAKER, MAY BE PLACED UNDER THE CONFORMS TO
FACILITATE THE REMOVAL OF THE CONFORMS WHEN PAVING OPERATION RESUME.
13. ASPHALT CONCRETE SHALL BE COMPACTED TO A MINIMUM OF 92 PERCENT OF THE MAXIMUM THEORETICAL
DENSITY AS DETERMINED BY ATSM D- -2041. IN -PLACE DENSITY SHALL BE DETERMINED IN ACCORDANCE WITH
CALIFORNIA TEST 375.
14. IF THE IN -PLACE DENSITY OF ANY LOT OF ASPHALT CONCRETE IS LESS THAN 92 PERCENT OR GREATER THAN
94 PERCENT OF THE MAXIMUM THEORETICAL DENSITY, THE CONTRACTOR WILL BE ADVISED THAT THE REQUIRED
RELATIVE COMPACTION IS NOT BEING ATTAINED AND THAT THE MATERIALS OR PROCEDURES, OR BOTH, IF
NEEDED, ARE TO BE ADJUSTED. ASPHALT CONCRETE SPREADING OPERATIONS SHALL NOT CONTINUE UNTIL THE
CONTRACTOR HAS NOTIFIED THE CITY ENGINEER OF THE ADJUSTMENT THAT WILL BE MADE IN ORDER TO MEET
THE REQUIRED COMPACTION. IF ANY SUCCESSIVE TEST AFTER NOTICE IS GIVEN DOES NOT MEET THE SPECIFIC
RANGE, THE ASPHALT CONCRETE REPRESENTED BY THAT LOT SHALL BE REMOVED AND REPLACED WITH
MATERIAL THAT MEET THE IN -PLACE DENSITY REQUIREMENTS.
15. IF THE TEST RESULTS FOR ANY LOT OF ASPHALT CONCRETE INDICATE THAT THE RELATIVE COMPACTION IS
EITHER LESS THAN 90 PERCENT OR MORE THAN 96 PERCENT THE ASPHALT CONCRETE REPRESENTED BY THAT
LOT SHALL BE REMOVED AND REPLACED WITH MATERIAL THAT DOES MEET THE IN -PLACE DENSITY
REQUIREMENT. THE CORRECTIVE WORK SHALL BE AT THE CONTRACTOR'S EXPENSE.
16. THE FIELD DENSITY OF COMPACTED ASPHALT CONCRETE SHALL BE DETERMINED BY:
A. A PROPERLY CALIBRATED NUCLEAR ASPHALT TESTING DEVICE IN THE FIELD, OR
B. ASTM D1188 WHEN SLABS OR CORES ARE TAKEN FOR LABORATORY TESTING. ZINC STEARATE MAY BE
SUBSTITUTED WITH PARAFFIN.
C. IN CASE OF DISPUTE, METHOD "B" SHALL BE USED.
A.C. PAVING NOTES (CONY.):
17. IF THE FINISHED SURFACE OF THE ASPHALT CONCRETE DOES NOT MEET THE SPECIFIED SURFACE TOLERANCES,
IT SHALL BE BROUGHT WITHIN TOLERANCE BY EITHER:
A. ABRASIVE GRINDING WITH EQUIPMENT UTILIZED DIAMOND BLADES,
B. REMOVAL AND REPLACEMENT, OR
C. PLACEMENT OF AN ASPHALT CONCRETE OVERLAY. THE METHOD WILL BE SELECTED BY THE CITY ENGINEER.
THE CORRECTIVE WORK SHALL BE AT THE CONTRACTOR'S EXPENSE.
18. IF ABRASIVE GRINDING IS USED TO BRING TO BRING THE FINISHED SURFACE TO SPECIFIED SURFACE
TOLERANCES, ADDITIONAL GRINDING SHALL BE PERFORMED, AS NECESSARY, TO ENLARGE THE GRINDING AREA
SO THAT THE LONGITUDINAL LIMITS OF GRINDING ARE AT A CONSTANT OFFSET FROM, AND PARALLEL TO, THE
NEAREST LANE LINE OR PAVEMENT EDGE AND THE TRANSVERSE LIMITS OF GRINDING ARE NORMAL TO THE
PAVEMENT CENTERLINE. ALL GROUND AREAS SHALL CONFORM TO THE REQUIREMENTS IN THE FIRST PARAGRAPH
AND THE LAST FOUR PARAGRAPHS OF SECTION 42 -2.02, "CONSTRUCTION ", OF THE STANDARD SPECIFICATIONS.
A FOG SEAL COAT SHALL BE APPLIED TO ALL FINISHED ASPHALT SURFACES AT THE CONTRACTOR'S EXPENSE.
THE FOG SEAL COAT SHALL BE EITHER REJUVENATING AGENT OR ASPHALT EMULSION AS DIRECTED BY THE
CITY ENGINEER.
19. PAVING CONTRACTOR SHALL GRADE THE PAVING AREAS TO THE FOLLOWING MODIFIED CALTRANS STANDARD
SPECIFICATION SECTION 19 -1.03 PER THE CITY OF BAKERSFIELD:
20. IMMEDIATELY PRIOR TO PLACING SUBSEQUENT LAYERS OF MATERIAL THEREON, THE
GRADING
PLANE
SHALL
CONFORM TO THE FOLLOWING:
A. WHEN ASPHALT CONCRETE OR ASPHALT CONCRETE BASE IS TO BE PLACE ON THE
GRADING
PLANE,
THE
GRADING PLANE AT ANY POINT SHALL NOT VARY MORE THAN 0.04 FOOT ABOVE OR
BELOW
THE GRADE
ESTABLISHED BY THE ENGINEER.
B. WHEN THE SUBBASE OR BASE MATERIAL (OTHER THAN ASPHALT CONCRETE BASE)
IS TO BE
PLACE
ON
THE GRADING PLANE, THE GRADING PLANE AT ANY POINT SHALL NOT VARY MORE
THAN 0.04
FOOT
ABOVE
OR BELOW THE GRADE ESTABLISHED BY THE ENGINEER.
PRIVATE ENGINEER'S NOTICE
TO CONTRACTORS
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THE EXISTENCE AND LOCATION OF ANY UNDERGROUND UTILITY PIPES OR STRUCTURES SHOWN ON THESE PLANS ARE
OBTAINED BY A SEARCH OF THE AVAILABLE RECORDS. TO THE BEST OF OUR KNOWLEDGE THERE ARE NO EXISTING
UTILITIES EXCEPT AS SHOWN ON THIS MAP.
THE CONTRACTOR IS REQUIRED TO TAKE DUE PRECAUTIONARY MEASURES TO PROTECT THE UTILITY LINES SHOWN AND
ANY OTHER LINES NOT OF RECORD OR NOT SHOWN ON THIS DRAWING.
ENGINEER SHALL NOT BE RESPONSIBLE FOR THE ACCURACY OR COMPLETENESS OF ANY SUCH INFORMATION OR DATA.
UNDERGROUND SERVICE ALERT SHALL BE CONTACTED TWO WORKING DAYS PRIOR TO CONSTRUCTION. 1 -800- 227 -2600.
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