HomeMy WebLinkAbout3.2-529VICINITY MAP
SCALE: NONE
BENCH MARK:
BENCHMARK IS CONCRETE MONTUMENT 0 PI
GALLOWAY & BALVANERA ELEVATION= 392.69
PER TRACT 5372 UNIT 1.
BASIS, OF.OEARING�:
THE BEARING OF N. 89'54'57 W. SHOWN FOR THE
CENTER LINE OF BALVANERA DRIVE PER TRACT N0.
5372 UNIT 1, MAP BK. 40, PGS. 79 -81 IN THE OFFICE
OF THE KERN COUNTY RECORDER WAS USED AS THE
BASIS OF BEARINGS SHAWN HEREON.
INDEX OF S-H EETS
SHEET T1TI F
1, COVER SHEET
2, TRAFFIC SIGNAL
3- SPECIFICATIONS
4- SPECIFICATIONS
(t RAI VANFPA A \XK11 W7
KEY MAP
SCALE.- 1 ° =200'
CITY OF BAKERSFIELD
KERN COUNTY CALIFORNIA
TRAFFIC SIGNAL PLANS
INTERSECTION OF GALLOWAY DRIVE FOR AND
RIVERLAKES G:31ALLERIA ENTRANCE
(PDR, NO,.13 0110
CALTRANS STANDARD PLANS
ES-1A
ES-413
ES- 6RA T -11
ES -1 B
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 -1 O
ES-3C
ES-6A
ES -11
ES- 3D
'ES-6Q
ES -13
ES--3E
ES -6R
ES -6B
BAKERSFIELD CITY STANDARDS
SW -8 T -4
ST -9 T -5
ST -14
57 -79
5 -40
i
SIGNAL
LOCAT{ON
E
NOTE: 1, PRIOR TO THE START OF ANY PHASE OF
CONSTRUCTION, THE CITY CONSTRUC11ON
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 C 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
OR OTHER REVIEW BOARD. AGENCY
I AM RESPONSIBLE FOR ALL CALCULATIONS AND DRAWINGS ON THESE PLANS
AND ANY ERRORS, OMISSIONS, OR VIOLATIONS OF THOSE ORDINANCES,
STANDARDS AND DESIGN CRITERIA S BE CORRECTED DURING CONSTRUCTION.
AWROVED BY: ROGER A. MCINTOSH R.C.E. 33322
EXP. 6 -30 -14
4
APPROVED BY: NI LAS C. FIDLER ACTING PUBLIC WORKS DIRECTOR
R.C.E. 61 069 EXP. 12 -31 -14
REVIEWED BY:
REVIEWED BY:
ASSISTANT PUBLIC WORKS DIRECTOR
TRAFFIC ENGINEER
v // 7 //
DATE
A k� t4
V. t.
DATE
1
0)
p
N �-
n °�
ri
0
tV
d-
r
Q
e--
O Z pp
0
U cr
Z � I
1-ig
Rj
W
r4)
LLI 00
rl
4-- w
can
W
Q
m
W
i®
us
2
oc
;cj 40%
cc
bm
U5
O
r
O
r-
_ a I-
pW
ui
uj 0 Go
4c CC
OL
J o
0
2
LL
LL
W
W �
0
N
O
Cktt!
Q
tiJ
J
L%
0
a
W
I
V
u
Q
N �-
n °�
LLj
Q-
c>- Z p-
i®
us
2
oc
;cj 40%
cc
bm
U5
O
r
O
r-
_ a I-
pW
ui
uj 0 Go
4c CC
OL
J o
0
2
LL
LL
W
W �
0
N
O
Cktt!
Q
tiJ
J
L%
0
a
W
I
V
u
Q
s
r •S
04P
\06P
3 j
i {
i 3
E �
VIC
•••''+" a`..+..••. 4-....... a... ..e_.e......-- _.....�....n..«�. ..._....o..J- n.....—.........». ..�....- ...+,.....��.- +,.r..... ; 1 i, n�_........« a.,... r._........ .•........w..� >- �....rj�,..,�j' }
-+. �.....+„-- ��..... �....,.......-.+..-.......-... d........... w�..... �... wvw...-.•.. m�...._ �,r.... �. rm�... �. �.... v_•. r..-,-. r.- .+......- ..._..e..,..r..r.....0 { F � i
4 Y r S
t k
3
CONTROLLER DETAIL
(SCALE.- 1 " =10')
LEGEND
� SIGNAL STANDARD (REFER TO PALE SCHEDULE)
CONDUIT RUN (REFER TO CONDUCTOR SCHEDULE)
04 SIGNAL HEAD WITH PHASE #
LUMINAIRE - MOUNTED ON SIGNAL STANDARD
e PEDESTRIAN SIGNAL
PREEMPTION DEVICE OPTICAL DETECTOR
(OPTICOM 711 - SINGLE UNIT)
D PULL BOX
SIGNAL CONTROLLER
g ELECTRICAL SERVICE PEDESTAL
3 ` CAL -TRANS TYPE IV ARROW (DIRECTION AS INDICATED)
R9-3a REGULATORY SIGN -- NO PEDESTRIAN CROSSING
R3 -18 REGULATORY SIGN - NO LEFT TURN/NO U TURN
1C TRAFFIC INTERCONNECT, CONDUIT
- - - -- TRAFFIC SIGNAL CONDUIT
O PG &E #2 BOX 17 "x30 sit x18" DEEP
-- - EXISTING INTERCONNECT CONDUIT
• 1 •' 1
CONDUIT SIZE
MAST
PkA
SIGNALS
SIGNS
LOC.
STANDARDLIGfiTING
�qNqLg
w,u.ic w —Dw �B
VEHICLE WALK w� �j Sg
ST. NAME SIGN
REMARKS
15
LT -MAT
STA. 12 +72.34, 53.82RT.
O
29 -5 -100
50
MAS
,CONDUCTOR -
SV -2 -TD
R9- 3/R9 -3A (SIG. STANDARD)
15
LT -MAT
� STA. 12 +01.23, 53.77RT.
a
19 -3 -100
25
SV -2 -TD
SP -1 -T
04
04
CAILOWAY DRIVE
F/tix.
�
lW�1iJ1L7L :C7a�000O000��00��000���
MR61-19(CA) (MAST ARM)
15
MAT
� STA. 11 +88.98, 53.88LT.
26 -3 -10�
40
MAS
SP-1
06
�ODO�,
MOUNT PREEMPTION OPTICAL DETECTOR.
.
128 CONDUCII
SV -1 -T
Q R3 -18 (MAST ARM)
I
1A
TV -1 -T
SP -1 -T
04
06
CE STA. 11+99.76, 64.75LT.
15TS
15
06
� STA. 12 +73.78, 74.63LT.
;9 CONDUCTOR
� STA. 12 +84.70, 64.91LT.
O
1A
TV -2 -T
SP -1 -T
06
Q R9- 3/R9 -3A (SIG. STANDARD)
# 10
LIGH=nNG
,OP11COM MOD 138
119 AWO PE 39
2 PAIR IN I CONNECT
MENEM
BULL INIMUMNF.UT IN A CON11NUOUS RUN FROM TRAMC SIGNAL CONTROLLER AT THE NORTHEAST CORNER OF THE INACTION OF OLIVE AND CALLOWAY.
POLE SCHEDULE
MAST
PkA
SIGNALS
SIGNS
LOC.
STANDARDLIGfiTING
�qNqLg
w,u.ic w —Dw �B
VEHICLE WALK w� �j Sg
ST. NAME SIGN
REMARKS
15
LT -MAT
STA. 12 +72.34, 53.82RT.
O
29 -5 -100
50
MAS
MOUNT PREEMPTION OPTICAL DETECTOR.
SV -2 -TD
R9- 3/R9 -3A (SIG. STANDARD)
15
LT -MAT
� STA. 12 +01.23, 53.77RT.
a
19 -3 -100
25
SV -2 -TD
SP -1 -T
04
04
CAILOWAY DRIVE
MOUNT PREEMPTION OPTICAL DETECTOR.
MR61-19(CA) (MAST ARM)
15
MAT
� STA. 11 +88.98, 53.88LT.
26 -3 -10�
40
MAS
SP-1
06
�4
MOUNT PREEMPTION OPTICAL DETECTOR.
.
SV -1 -T
Q R3 -18 (MAST ARM)
I
1A
TV -1 -T
SP -1 -T
04
06
CE STA. 11+99.76, 64.75LT.
15TS
15
06
� STA. 12 +73.78, 74.63LT.
� STA. 12 +84.70, 64.91LT.
O
1A
TV -2 -T
SP -1 -T
06
Q R9- 3/R9 -3A (SIG. STANDARD)
04
NOTES
® All equipment and materials shall be furnished by the contractor*
[21 Contractor shall provide Type 170 Controller with latest Bitran 233 Firmware and GDl modem model RM 404
and 332 Cabinet assembly. Service shall be 120v/240v Type II[ --BF, provided by Contractor.
(31 Pull box in front of controller shall be . All others shall be
#5 unless otherwise noted.
P.G. E, power point will be installed by others. Contractor shall install conduit from power point to R ull box
and make connections for power.
[] Luminaires shalt be cutoff type, 165 W. LED.
151 All new signal indications shall be 12 inch.
[] Street name signs and hangers shall be furnished and installed b y Contractor.
® All pedestrian indications shall be new, international symbol type as detailed in the specifications.
yP p
[ ] 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.
Pole location indicated on the "Pole Schedule" are a '
approximate. Final location of the standards shall
be as directed by the Engineer at the site.
All utility locations shown are approximate only nd represent the best information supplied b t .
y R pp y he various
utility companies. Final responsibility for locating utilities in the field lies with the contractor.
11 Contractor shall remove striping and pavement markings as indicated on the
g plan,
by obliterating a rectangle whose limits are the edge of each word. Under NO
circumstances are the letters to be removed individually.
Existing sidewalk shall be removed and replaced as necessary to complete all construction.
p y p
Sidewalk may only be removed and replaced in complete panels.
Refer to the Parcel Map No. 11788 DR N o, 13— 0110 Street Construction Plans for ping stri ' .
s.
/F' and pavement markings.
if conduits are existing, use existing conduits as directed by City Engineer.
Provide traffic control sign mounted on most arm/signal standard. (Type as indicated)
Furnish and Install Cpticom 711 (Single Un it) preemption devices as indicated on plans including all cables and
mounting hardware. The contractor shall also furnish and install an
Qpticom 754 phase selector unit in the controller cabinet. Contractor shall rovide a fully eration
. p y p al preemption
system. Exact preemption hardware mounting placement shall be determined by the Traffic Engineer in the field.
Contractor shall provide an Cpticom technician The Qpticom representative
must be contacted 48 hours prior to signal initialization.
alntercept existing interconnect conduit and route to R ull box.
IRRefer to Street Construction Plans for reconstruction of existing medians constructio n of proposed commercial
entrance, handicap ramps, and construction of proposed pavement markings and striping details.
130verhead utilities to be relocated b y others
OPovement Markings and Striping etails on this plan are shown for reference only. Refer
9 .. P y to the Street
Construction plans for proposed striping improvements.
02 & 05
SIGNAL PHASE DIAGRAM
02 & 06
--i
r"
ALL WORK EMBRACED HEREON SHALL CONFORM TO CALTRANS STANDARD PLANS AND
SPECIFICATIONS CURRENT EDITION 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 most 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 l
t e. Conduit shall be placed under existing
pavement in a trench not to exceed Y9 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 laced to within 0.20 feet of the pavement surface. The top 0.20 feet shall
be Eackfilled with asphalt concrete produced from commercial quality paving
asphalt and aggregates.
3. Prior to spreading asphalt concrete, point 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 I 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 Opticorn Model 138 or equal) shall have four
conductors of AWG #20 (7x28) strandard 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 s* 1 nal turn on. A representative servicing the Bakersfield area may be contacted
at (7143 321-7513.
The insulation for all conductors shall be Type THW polyviny! 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 86-2.140 "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
*1 its, including signal interconnection circuits, have been thoroughly tested as
c rcul I ng si I
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.
Al! 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
cost 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 AlInGaP 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 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 failure of one or
more LED unit will not result in the loss of the entire module.
Electrical,
Power Cornsumption
Maximum power consumption requirements for the modules are as follows:
Maximum Power Cornsumption (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 ±3 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.
THD
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 flicker 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 currentl y used controller assemblies
state load switches, flashers, and conflict monitors). (soild 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 min* mum 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 (excludin i yellow) shall meet or exceed the illumination values shown
in Table 2-3 and/or Tab e -1 25, throughout the useful life based on normal use
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 chromaticall coordinates of the modules shall conform to the
chromaticity requirements of �able 2-6, throughout the useful life over the operating
temperature range.
Table 2-2
Minimum Initial Intensities for Circular Indications (in cd)
Red
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
L-Lane control
n/a
n a
n
nlo
11
11 ----------- J
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 ±3 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.
THD
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 flicker 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 currentl y used controller assemblies
state load switches, flashers, and conflict monitors). (soild 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 min* mum 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 (excludin i yellow) shall meet or exceed the illumination values shown
in Table 2-3 and/or Tab e -1 25, throughout the useful life based on normal use
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 chromaticall coordinates of the modules shall conform to the
chromaticity requirements of �able 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
2.59±2.5
157
314
314
399
798
798
2.59±7.5
114
228
228
A
2Q %..F%.R
589
589
2.5, ±12.5
67
133
133
166
333
333
2.59±17.5
29
57
57
90
181
181
7.5,1±2.5
19
238
238
266
532
532
7.5,±7.5
105,
209
209
238
475
475
7.51,±12.5
76
152
152
171
342
342
7.59±17.5
48
95
95
105
209
209
7.59±22.5
21
43
43
45
90
90
7.51±27.5
12
24
24
19
38
38
12.5, ±2.5
43
86
86
59
119
119
12.59±7.5
38
76
76
57
114
114
12.59±12.5
33
67
67
52
81
81
12.59±17.5
24
48
48
40
81
81
12.59±22.5
14
29
29
26
52
52
12.59±27.5
10
19
19
19
38
38
17..510±2.5
19
38
38
26
52
52
17.59±7.5
17
33
132
28
26
52
52
17.59±12.5
12
24
133
24
26
52
52
1 7.5s ± 17.5
10
19
19
26
52
52
17.59,±22.5
7
14
14
24
48
48
17.53,±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
2.5s±7.5
97
194
194
251
501
501
2.5s ± 12.5
57
113
113
141
283
283
2.5s ± 17.5
25
48
48
77
154
%J_T A
154
7.59±2.5
101
202
202
226
452
452
7.51±7.5
89
178
178
202
404
404
7.5, ± 12.5
65
129
129
145
Z 11_ %_J 1 01
291
7.5, ± 17.5
41
81
81
89
178
178
7.51,±22.5
18
37
37
38
77
77
7.5p±27.5
10
20
20
16
32
32
12.5p±2.5
37
73
73
50
101
101
12.59±7.5
32
65
65
48
97
97
1 2.5s ± 12.5
28
57
57
44
89
89
12.5, ±17.5
20
41
41
34
69
69
12.5t±22.5
12
25
25
22
44
44
12.51,±27.5
9
16
16
16
32
32
1 7.5s ± 2.5
16
32
22
44
44
1 7.5o ± 7.5
14
28
132
28
22
44
44
17.5s±1 2.5
10
20
20
22
44
44
17.53,±17.5
9
16
16
22
44
44
.1 7.5v ± 22.5
6
12
12
20
41
41
17.5t±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
51,500
PV Indication
future
future
future
Lane I Con trot (X)
5,500
n/a
n/a
Lane Control (Arrow
n/a
_n/a
11, o00
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 followirig specification requirements apply to the Type 2 module only. All general
specifications apply unless specitically 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
En a
n
11, o
Table 2-6
Chromaticity Standards (CIE Chart)
Type 2 Traffic Signal Module
The followirig specification requirements apply to the Type 2 module only. All general
specifications apply unless specitically 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. S-e-'-e7
appropriate sections for Type 1 and Type 2 modules.
Environmental Requirements
The LED si nal module shall be rated for use in the operating temperature range
of 4 °C (40°F) to + 4 °C ( +165 °F). The modules shall meet all specifications
The LED signal module shall be protected against dust and moisture intrusion per
the requirements ot NEMA Standard 250-1 99 1 for Type 4 enclosures to protect
all internal components.
The LED signal module shall be a sin le, 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.
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
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 UL94V0 Tlame 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 markings) 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 s ec'fication re. uirements apply to the Type 1 module only. All general
I
specifications app 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 lbs).
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.
Lens
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.
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 lbs).
Type 2 modules shall be a sealed unit containing ng 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 followin specification requirements apply to the 300 mm arrow only. All general
specifications app 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 in 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 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
,The apply unless specifically superse ed in the section.
specil
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.
p
d
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
brow
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, "Light
Emitting Diode Luminaires," of the Standard Specifications * and these special provisions.
Luminaires shall be furnished with 235-watt or 165-watt LED lamps and
electronic drivers 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 Consumption
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.
Operating voltage of e 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.
THD
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-2o 1992..
The LED circuitry shall prevent perceptible flicker 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, , an;�ter_ ia1 Standards, Chapter 2 (Vehicle Traffic Control Signal
Heads }.
25"C
74 °C
"Hand
10.0
12.0
77
"Walking -1-
9.0-1
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.
Operating voltage of e 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.
THD
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-2o 1992..
The LED circuitry shall prevent perceptible flicker 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, , an;�ter_ ia1 Standards, Chapter 2 (Vehicle Traffic Control Signal
Heads }.
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 ( +1657). 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 -413 shall be increased from a height of 3.5" to a height of 12 "0,
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 iamps, 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 li ht boxes
shall be adjusted to grade in accordance with the provisions in Section 15-2.O T,
"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 Si ns, Lights,
and Devices for Use in Performance of work Upon Highways," published by the Sta a 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 tunes 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 shall 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 mast 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 some
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 some
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 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 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 88-2.08E, "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 —rail 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 necessary 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 shad be included in all interconnect conduit for installation of future conductors.