Design Specifications - Batch 3 Traffic Signal Rebuilds - Final.pdf
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- Solicitation number
- 25-09-04
- Issued by
- Arapahoe County, Colorado
About this file
This document is a set of Special Provisions for the Batch 3 Span Wire to Mast Arm Traffic Signal Rebuilds project for the City of Centennial, Colorado, dated March 26, 2025. The project involves rebuilding traffic signal infrastructure, with specifications governed by the City of Centennial Roadway Design & Construction Standards and the 2023 Colorado Department of Transportation (CDOT) Standard Specifications. The project encompasses multiple technical sections including electrical conduit, fiber optic cable installation, traffic signal controllers, poles, uninterruptible power supply systems, and construction zone traffic control. The work involves installing new infrastructure components such as CCTV cameras, ethernet switches, accessible pedestrian signals, fire preemption units, and associated electrical and communication systems across various intersection locations.
The project will be bid as a comprehensive infrastructure upgrade with payment structured through various line items including traffic signal poles, pedestrian signals, conduit, pull boxes, fiber optic cables, and traffic control. Force account items are included to cover potential additional work, with allocations for minor contract revisions (3%), electrical service (2%), landscaping (0.5%), and erosion control (1%). The specifications provide detailed technical requirements for materials, installation methods, testing protocols, and performance standards, with an emphasis on compatibility with existing City of Centennial and CDOT infrastructure. The project includes specific equipment specifications, such as an Econolite Cobalt traffic signal controller, Polara accessible pedestrian signals, and detailed requirements for uninterruptible power supply systems, ensuring a comprehensive and standardized approach to traffic signal infrastructure improvement.
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Text version
Batch 3 Span Wire to Mast Arm Traffic Signal Rebuilds PROJECT NO. 20240152 March 26, 2025
CITY OF CENTENNIAL
SPECIAL PROVISIONS
BATCH 3 SPAN WIRE TO MAST ARM TRAFFIC SIGNAL REBUILDS
Work on this project shall be governed by the latest version of the City of Centennial Roadway Design & Construction Standards and the 2023 Colorado Department of Transportation (CDOT) Standard Specifications for Road and Bridge Construction. Items not referenced in the City standards and CDOT specifications shall conform to those standards and specifications listed in the project notes found in the plans. The following special provisions supplement or modify the CDOT Standard Specifications and take precedence over the CDOT Standard Specifications and plans.
PROJECT SPECIAL PROVISIONS
Date Pages
Revision of Section 105 – Control of Work (March 26, 2025) 2-4 Revision of Section 203 – Potholing (March 26, 2025) 5 Revision of Section 503 – Vacuum Excavated Caisson (March 26, 2025) 6 Revision of Section 503 – Drilled Caisson (March 26, 2025) 7 Revision of Section 601 – Concrete Acceptance (March 26, 2025) 8-10 Revision of Section 613 – Electrical Conduit (March 26, 2025) 11-13 Revision of Section 613 – Pull Box (March 26, 2025) 14-15 Revision of Section 614 – Closed Circuit Television Camera (March 26, 2025) 16-23 Revision of Section 614 – Ethernet Switch (March 26, 2025) 24-26 Revision of Section 614 – Telemetry (March 26, 2025) 27 Revision of Section 614 – Fiber Optic Cable (Single Mode) (March 26, 2025) 28-34 Revision of Section 614 – Fiber Optic Termination Panel (12 Fiber) (March 26, 2025) 35-36 Revision of Section 614 – Fire Preemption Unit and Timer (March 26, 2025) 37-38 Revision of Section 614 – Grounding and Bonding (March 26, 2025) 39-42 Revision of Section 614 – Accessible Pedestrian System (March 26, 2025) 43 Revision of Section 614 – Traffic Signal Controller Cabinet (March 26, 2025) 44 Revision of Section 614 – Traffic Signal Controller (March 26, 2025) 45 Revision of Section 614 – Traffic Signal Poles (March 26, 2025) 46 Revision of Section 614 – Traffic Signal Pedestal Poles (March 26, 2025) 47 Revision of Section 614 – Uninterrupted Power Supply (March 26, 2025) 48-51 Revision of Section 630 – Construction Zone Traffic Control (March 26, 2025) 52-55 Force Account Items (March 26, 2025) 56
REVISION OF SECTION 105
CONTROL OF WORK
Section 105 of the Standard Specifications is hereby revised for this project to include the following:
Only submittals applicable to the project are required.
In subsection 105.02, Table 105-1 shall include the following:
Section
No. Description Type
Manufacturer
CO licensed
P.E. Stamp
Required?
613 Luminaires Shop Drawing No
614 Traffic signal controller Shop Drawing No
614 Traffic signal controller cabinet Shop Drawing No
614 Traffic signal controller cabinet base Shop Drawing No
614 Load switches Shop Drawing No
614 Conflict monitors Shop Drawing No
614 Flashers Shop Drawing No
614 Isolators Shop Drawing No
614 Uninterruptible power supply Shop Drawing No
614 PTZ Cameras Shop Drawing No
614 Visors Shop Drawing No
614 Pedestrian signal face (16) (countdown) Shop Drawing No
614 Pedestrian signal head Shop Drawing No
614 Traffic signal head, including configurations Shop Drawing No
614 Traffic signal back plates Shop Drawing No
614 Traffic signal face Shop Drawing No
614 Pedestrian signs Shop Drawing No
614 Pedestrian Detectors Shop Drawing No
614 Pedestrian push button poles Shop Drawing No
CONTROL OF WORK
Section
No. Description Type
Manufacturer
CO licensed
P.E. Stamp
Required?
614 Intersection detection system components Shop Drawing
No
614 Electric meter/disconnect Shop Drawing
No
614 Pre-emption devices Shop Drawing
No
614 Mounting hardware Shop Drawing
No
614 Street name signs Shop Drawing
No
614 Pull boxes Shop Drawing
No
614 Wire Shop Drawing
No
614 Fiber optic cable Shop Drawing
No
503 Mix design Shop Drawing
No
613 Conduits (including elbows) Shop Drawing
No
613 Polypipe Shop Drawing
No
614 Termination panels Shop Drawing
No
614 Ethernet switch, patch cables, and connectors Shop Drawing
No
614 Splice kits Shop Drawing
No
CONTROL OF WORK
Section
No. Description Type
Manufacturer
CO licensed
P.E. Stamp
Required?
614 Splice enclosures Shop Drawing No
614 Telemetry Shop Drawing No
614 Grounding and bonding system plan, supports, connectors, and rods
Shop Drawing No
614 Traffic Signal Poles and Mast Arms Shop Drawing Yes
614 Traffic Signal Pedestal Poles and Bases Shop Drawing No
REVISION OF SECTION 203
POTHOLING
Section 203 of the Standard Specifications is hereby revised for this project to include the following:
METHOD OF MEASUREMENT
Delete Subsection 203.11(e) and replace with the following:
(e) Potholing. Potholing shall be incidental to other items such as caisson and conduit installations. All other related work, including removal of existing pavement, backfilling, shoring and labor, will not be measured and paid for separately, but shall be included in the work. All surface material disturbed by potholing shall be restored in kind in accordance with the provisions of the Standards and Details for the City of Centennial.
BASIS OF PAYMENT
Subsection 203.12 shall include the following:
Potholing shall be incidental to other items such as caisson and conduit installations. The incidental potholing costs associated with these items will not be paid for separately, but shall be included in the work.
REVISION TO SECTION 503
VACUUM EXCAVATED CAISSON
Section 503 of the Standard Specifications is hereby revised for this project to include the following:
DESCRIPTION
Delete Subsection 503.01 and replace with the following:
This work consists of vacuum excavating holes and placing reinforcing steel, anchor bolts, and concrete in the holes therein to form foundations for traffic signal mast arm poles in conformance with the plans and as directed by the Engineer.
MATERIALS
Modify this subsection by adding the following before Subsection 503.05:
All mast arm pole-caisson foundations shall conform to the applicable requirements of construction specifications of the City of Centennial, except as herein provided.
The traffic signal mast arm pole foundation shall conform to the requirements of the City of Centennial Standard Signal Pole Foundation Details.
CONSTRUCTION REQUIREMENTS
Modify this subsection by adding the following before Subsection 503.12:
Foundation work shall include raking and/or plumbing of the poles after loading. The Contractor shall install a stainless steel wire cloth between the base plate and caisson so as to prevent the intrusion of pests into the pole. Do not grout between base plate and caisson.
BASIS OF PAYMENT
Subsection 503.23 shall include the following:
Furnishing of base plate(s), anchor bolts, nuts and nut covers that are required components of the traffic signal mast arm pole foundation will not be paid for separately, but shall be included in the unit price for Vacuum Excavated Caisson. Soil sampling and testing will not be paid for separately, but shall be included in the unit price for Vacuum Excavated Caisson.
Payment will be made under:
Pay Item Pay Unit
Caisson (Special) LF
REVISION TO SECTION 503
DRILLED CAISSON
Section 503 of the Standard Specifications is hereby revised for this project to include the following:
DESCRIPTION
Delete Subsection 503.01 and replace with the following:
This work consists of drilling holes and placing reinforcing steel, anchor bolts, and concrete in the drilled holes therein to form foundations for traffic signal pedestal poles and pedestrian push button bollards in conformance with the plans and as directed by the Engineer.
MATERIALS
Modify this subsection by adding the following before Subsection 503.05:
All pedestal pole and push button bollard-caisson foundations shall conform to the applicable requirements of construction specifications of the City of Centennial, except as herein provided.
The traffic signal pedestal pole or push button bollard foundation shall conform to the requirements of the City of Centennial Standard Signal Pole Foundation Details.
BASIS OF PAYMENT
Subsection 503.23 shall include the following:
Furnishing of anchor bolts that are required components of the traffic signal pedestal pole or pedestrian push button bollard foundation will not be paid for separately, but shall be included in the unit price for Drilled Caisson.
REVISION TO SECTION 601
CONCRETE ACCEPTANCE
Revise Section 601 of the Standard Specifications for this project as follows:
CONSTRUCTION REQUIREMENTS
Delete subsections 601.17(c) and 601.17(d) and replace with the following:
(c) Strength (When Specified).
The concrete will be considered acceptable when the running average of three consecutive strength tests per mix design for an individual structure is equal to or greater than the specified strength and no single test falls below the specified strength by more than 450 psi. A test is defined as the average strength of three test cylinders cast in plastic molds from a single sample of concrete and cured under standard laboratory conditions before testing. If the compressive strength of any one test cylinder differs from the average by more than 10 percent, that compressive strength will be deleted and the average strength will be determined using the compressive strength of the remaining two test cylinders.
When the average of three consecutive strength tests is below the specified strength, the individual low tests will be used to determine the pay factor per Table 601-3. If less than three strength tests are available the individual low tests, if any, will be used to determine the pay factor per Table 601-3. The pay factor will be applied to the quantity of concrete represented by the individual low test.
When the compressive strength test is below the specified strength by more than 450 psi but not more than 1,000 psi, the concrete represented will be evaluated by the City for removal, corrective action, or acceptance at a reduced price. All costs of the evaluation shall be at the Contractor's expense.
When the compressive strength test is below the specified strength by more than 1,000 psi, the concrete represented will be rejected.
The Contractor may take cores at its own expense and per Colorado Procedure 65 within 10 working days of being notified of a price reduction or up to 45 days after placement, whichever is later, to provide an alternative determination of strength. When cored, price reduction for strength will be based on the corresponding cores’ strength. If the core compressive strength is at least 90 percent of the specified field compressive strength, the concrete represented by the cores will be accepted with no price reduction.
When the Contractor fails to provide proper curing or cold weather protection, the Engineer may use cores to determine acceptance or rejection of a part of the structure instead of acceptance cylinders with the following procedure:
1. The Engineer will notify the Contractor in writing that the City will core the structure. The location of the coring will be directed by the Engineer. Coring and testing will be performed at the expense of the Department regardless of the result. Cores will be taken and tested per AASHTO T24 between 28 days and 45 days after concrete placement. Cores will be a minimum of 4 inches in diameter unless otherwise approved by the Engineer. A minimum of three cores in a two-square-foot area will be obtained for locations of the structure that are suspect. If the compressive strength of any one core differs from the average by more than 10 percent, that compressive strength will be deleted and the average strength will be determined using the compressive strength of the remaining two cores. If the compressive strength of more than one core differs from the average by more than 10 percent, the average strength will be determined using all three compressive strengths of the cores. If the average core compressive strength is greater than or equal to 85 percent of the specified 28-day compressive strength, the concrete represented by the cores will be accepted.
CONCRETE ACCEPTANCE
2. If the average core compressive strength is less than 85 percent of the specified 28-day compressive strength, the structure will be evaluated by the City according to subsection 105.03 for removal and replacement. Pay factors will not be based on cores taken by the Engineer. If the concrete represented by the cores is accepted, all costs associated with the repair of the core holes, including preparation and submittal of the repair method, will be measured, and paid for separately.
3. After the Department performs additional core testing as described above, the Contractor may make one request that the structure be cored by the Contractor, tested, and re-evaluated by the City within 45 days after concrete placement. Coring and testing costs will be at the expense of the Contractor regardless of the result. Cores shall be taken at the same area of the structure as those obtained by the Engineer. The Engineer will approve the location of the cores before the Contractor coring the structure. All costs associated with the repair of these core holes including preparation and submittal of the repair method, will not be measured, and paid for separately but shall be included in the work.
If the concrete in the structure is found to be sufficient resulting time delays will be considered excusable.
If the concrete in the structure is still found to be deficient, resulting time delays will be considered non-excusable for this evaluation. Compensation for time delays will be evaluated by the Engineer per subsection 108.08.
The Contractor shall submit a proposed repair method for the core holes for approval before coring. The method shall use an approved non-shrink concrete patching material with a minimum compressive strength of 4,500 psi. The Contractor shall submit the manufacturer’s recommendations along with the repair method. The Engineer will review and approve the proposed methodology before patching.
The Engineer will distribute electronically to the concrete supplier all compressive strength Owner Acceptance (OA) data for the concrete supplied to the project. The Engineer will distribute the OA compressive strength data within two business days of the 7-day and 28-day compressive strength testing.
The data will include the compressive strength and batch ticket number at a minimum. The Contractor shall not have a valid dispute or claim as a result of any action or inaction by the Department related to the distribution of test results.
(d) Pay Factors.
The pay factor for concrete that is allowed to remain in place at a reduced price shall be determined according to Table 601-3 and shall be applied to the unit price bid for the Item.
If deviations occur in air content and strength within the same batch, the pay factor for the batch shall be the product of the individual pay factors.
CONCRETE ACCEPTANCE
Table 601-3
PAY FACTORS FOR DEVIATIONS ON
CONCRETE AIR CONTENT AND STRENGTH
Below
Specified
Strength (psi)
Pay Factor
(Percent) *See Note
1 – 100 98
101 – 200 96
201 – 300 92
301 – 400 84
401 – 450 75
451-1000 Evaluate by Department
451 – 600 65***
601 – 700 54***
701 – 800 42***
801 – 900 29***
901 – 1000 15***
Over 1000** Reject
* Concrete represented by out-of-spec tests will only be priced reduced with the lowest pay factor, not for each pay factor.
** After coring.
*** Concrete represented by this set is rejected for being more than 450 psi below specification. The concrete represented by this set can only be price reduced and left in place if a structural evaluation by the Structural Engineer of Record is completed and the structural evaluation indicates the structure is structurally sound.
Deviations From
Specified Air
(Percent)
Pay Factor
(Percent)
*See Note
0.0 – 0.2 98
0.3 – 0.4 96
0.5 – 0.6 92
0.7 – 0.8 84
0.9 – 1.0 75
Over 1.0 Reject
REVISION TO SECTION 613
ELECTRICAL CONDUIT
Section 613 of the Standard Specifications is hereby revised for this project to include the following:
DESCRIPTION
Subsection 613.01 shall include the following:
This work includes furnishing and installing new High-Density Polyethylene (HDPE) and Polyvinyl Chloride (PVC) electrical conduit and fittings for use with fiber optic cable, electrical conductors, traffic signal cabling, and communications cabling at locations shown on the plans.
MATERIALS
Subsection 613.02(c) shall include the following:
All materials furnished, assembled, fabricated or installed under this item shall be new, Underwriters Laboratories (UL) listed, corrosion resistant and National Electric Code (NEC) compliant. Materials shall be submitted to the Project Engineer for approval.
Electrical conduits crossing under roadways and those being installed by boring shall be HDPE Schedule 80 or greater. Elsewhere, electrical conduits shall be Schedule 40 PVC or greater. No metal conduit shall be used.
PVC conduit and fittings shall be certified by the manufacturer as meeting ANSI/UL 651. HDPE conduit and fittings shall be certified by the manufacturer as meeting ANSI/UL 651A. The manufacturers shall be ISO 9001 compliant.
All conduit runs that exceed 10’ in length shall have a pull tape. The pull tape shall be a continuous nylon line pulled into the conduit, along with the specified electrical cables. The line shall be firmly secured at each end of the conduit run with a minimum slack of 3’. The pull tape shall have a minimum tensile strength of 1250 lbs. and be of a design and manufacture that prevents cutting or burning into the conduit during cable installation.
All conduit runs that will not have a copper conductor installed shall have a #14 AWG stranded copper conductor placed inside for locating purposes.
All conduit bends, including factory-installed bends, shall not have a bend radius less than six times the inside diameter of the conduit. Where factory bends are not used, conduit shall be bent without crimping or flattening, using the longest radius practicable.
CONSTRUCTION REQUIREMENTS
Subsection 613.07 shall include the following:
All cables and conductors shall be installed in conduit or within poles, pedestals or mast arms, except in cases where the plans specify aerial cable installation.
ELECTRICAL CONDUIT
The Contractor, at its sole expense, may use larger conduit if desired. Where larger conduit is used, it shall be for the entire length of the run from outlet. No reducing couplings will be permitted underground.
Where a “stub-out” is called for on the plans, a conduit sweeping elbow shall be installed in the direction indicated and properly capped. The locations of ends of all conduits in structures or terminating at curbs shall be marked by a “Y” at least 3” high cut into the face of the curb, gutter or wall directly above the conduit.
Conduit shall be laid at a depth of not less than 24” below the top of curb grade in sidewalk or grassy areas and to a depth of not less than 30” below the finished grade in all other areas.
All conduit and fitting installations shall conform to the NEC.
The excavations required for the installation of conduit or cable shall be performed in such a manner as to avoid unnecessary damage to streets, sidewalks, landscaping, sprinkler systems and other improvements. Excavation shall not be performed until immediately before installation of conduits. The material from the excavation shall be placed in a position not to cause damage or obstruction to vehicular or pedestrian traffic or interfere with surface drainage.
Trenches shall be made with a rock-wheel or other machine capable of cutting a narrow trench (4") so as to allow traffic to pass over prior to backfilling. The machine shall be equipped with shields to direct the spoil downward and away from passing vehicles, workmen and pedestrians.
Trench excavations for conduit shall be 2” wider than the outside diameter of the conduit. Off-street trenches shall be backfilled with the same material that was removed and shall be compacted and shaped to match the surrounding surface. On-street trenches shall be backfilled by placing concrete or approved flow-fill up to the bottom surface of the existing or new roadway surface material. The remaining portion of the excavation shall be backfilled with the same type of material used to construct the existing roadway surface.
The Contractor shall restore all surface materials, including sprinkler systems, landscaping, shrubs, sod grass and native growth vegetation disturbed by trenching and back-filling operation in kind, equal to or exceeding the original conditions.
The Contractor shall install conduit entering a pull box, hand-hole or any other type structure from the direction of the run only.
When a new conduit run enters an existing pull box, the Contractor shall remove the pull box or tunnel under the side at no less than 18” and enter from the direction of the run.
Conduits terminating in a pole shall extend approximately 3” vertically above the foundation.
If the Contractor is unable to jack or bore the conduit at the lengths shown on the plans from pull box to pull box, the Contractor shall furnish and install all splice couplings to splice the conduit. This shall include excavation down to the required depth of conduit at the splice location. Contractor shall repair all landscape to the original condition for excavation of conduit at all splice locations. All splice couplings shall be water and airtight and installed at a depth to match the remaining run of conduit. No elevation difference will be allowed. Splices shall be kept to a minimum and all locations shall be approved by the City. Additional pull boxes shall not be substituted for splices.
ELECTRICAL CONDUIT
Conduit plugs for sealing conduit shall also be supplied and installed in all open conduit ends as soon as the conduit is installed. Plugs shall be durable, fabricated from no metallic parts, be of the split design to allow removal and reinstallation around in-place cables, and be easily removable and reusable. Plugs shall be capable of being installed by hand without any tools and shall provide a water and airtight seal of at least 100 psi and shall cause no damage to the cable when installed.
At some locations (as illustrated on the Plans or in these specifications, or as directed by the Engineer), new conduits shall be installed in an existing pull box or manhole. At these locations, the Contractor shall carefully excavate around the pull box or manhole and install the new conduit in the pull box or manhole in a manner that meets the requirements of this Special Provision. The Contractor shall not damage the existing pull box or manhole. If the existing pull boxes, manholes or concrete collars are cracked or damaged during conduit installation, the Contractor shall be required to replace either or both conforming to the requirements of the contract.
For locations where conduit is installed into asphalt, concrete or slope pavement, the Contractor shall patch the asphalt, concrete or slope pavement.
BASIS OF PAYMENT
Subsection 613.14 shall include the following:
Electrical Conduit shall include groundwork, sweeps, pull tape, copper tracer wire, adapters, fittings, splice couplings, conduit plugs (for conduits both with and without fiber optic cable), lubricants, anchors, bands, skids, equipment, labor, backfill, and all other items necessary to complete the work. Electrical Conduit shall include patching of asphalt, concrete or slope pavement. Electrical Conduit shall include repair of any Contractor-caused damage to existing pull boxes or manholes. Electrical Conduit shall include all landscape restoration for excavation of conduit at all splice locations.
Payment will be made under:
Pay Item Pay Unit
2 Inch Electrical Conduit 2 Inch Electrical Conduit (Bored) 3 Inch Electrical Conduit
Linear Foot Linear Foot Linear Foot
3 Inch Electrical Conduit (Bored) Linear Foot
PULL BOX
Section 613 of the Standard Specifications is hereby revised for this project to include the following:
DESCRIPTION
Subsection 613.01 shall include the following:
This work consists of furnishing and installing precast fiberglass-reinforced polymer concrete pull boxes at locations shown on the plans or established.
MATERIALS
Subsection 613.02 shall include the following:
Pull boxes in finished areas shall be designed for such installations and shall be stackable and manufactured of a precast fiberglass-reinforced polymer concrete material. Pull boxes shall be designed to support a minimum service load of 20,000 pounds over a 10 inch by 10 inch square. Pull boxes shall be verified by a 3rd Party Nationally Recognized Independent Testing Laboratory as meeting all test provisions of the current edition of the Society of Cable Telecommunications Engineers (SCTE) 77, Specification for Underground Enclosure Integrity, Tier 22 rating. Pull boxes shall be Underwriters Laboratories (UL) listed. Certification documents shall be submitted with material submittals.
Pull boxes shall have a detachable cover with a skid-resistance surface. Pull boxes shall be labeled as “TRAFFIC SIGNAL”, “TRAFFIC”, “ELECTRIC”, or “COMMUNICATION”, as approved by the Engineer through materials submittal process. The cover shall be attached to the pull box body by means of screw-in bolts and shall have two lift slots in each lid to aid in the removal of the lid. Non-standard bolts shall not be used. Lift slots shall be rated for 3,000 pounds.
Pull boxes 30 inches by 48 inches and larger shall have removable split lids with a removable metal center support brace. Lid segment weight shall not exceed 100 pounds.
Pull boxes that are to be in traveled ways shall be outfitted with traffic bearing lids rated for HS 20-44 loads.
CONSTRUCTION REQUIREMENTS
Subsection 613.03 shall include the following:
A pull box shall always be installed in combination with steel strain type poles, signal mast arm type poles, at other locations specified on the plans, and as directed by the Engineer. The Contractor may be permitted to install, at their own expense, any additional pull box that is desired to help facilitate the work, with the approval of the Engineer.
A minimum of 12 inches of ¾ inch granite-gravel shall be installed as a base for the pull box. The granite-gravel shall be free of dirt and debris and spread evenly to facilitate a level base for the pull box. The Contractor shall ensure that sufficient compacting is made prior to the installation of granite-gravel to alleviate future settling. The granite-gravel base shall be covered with woven wire.
Pull boxes shall be installed so that the covers are level with curb or sidewalk grade or level with the surrounding ground when no grade is established.
Pull boxes shall be installed in accordance with the City of Centennial Roadway Design and Construction Standards.
PULL BOX
METHOD OF MEASUREMENT
Subsection 613.13 shall include the following:
Pull Box will be measured by the actual number of pull boxes installed and accepted.
BASIS OF PAYMENT
Subsection 613.14 shall include the following:
Pull Box shall include the removal of any existing pull box (in the case of replacement), installation of the new pull box, modification of conduit ends, restoration of disturbed surface materials, and all other work necessary to complete the installation. Pull Box shall include base, lid(s), center support brace, required wording or graphics on lid, skid-resistance surface, lift slots, stainless steel bolts, excavation, backfill, and ¾ inch granite-gravel. Pull Box shall include the removal and patching of pavement, sidewalks, curb and gutters, and their replacement in kind to match existing grade. For grounding and bonding requirements, refer to Revision of Section 614 – Grounding and Bonding in these specifications.
Payment will be made under:
Pay Item Pay Unit
Pull Box (11”x18”x12”) Each
Pull Box (16”x24”x12”) Each Pull Box (24”x36”x18”) Each
REVISION TO SECTION 614
CLOSED CIRCUIT TELEVISION CAMERA
Section 614 of the Standard Specifications is hereby revised for this project to include the following:
DESCRIPTION
Subsection 614.01 shall include the following:
This work consists of installing an IP Closed Circuit Television (CCTV) Camera shown on the plans.
MATERIALS
Subsection 614.08 shall include the following:
The CCTV Camera shall include: camera with included housing, pole mount adapter, Power over Ethernet (PoE) power supply, manufacturer supplied management software, shielded Cat 5e cables, and all attachment hardware needed for a functionally complete installation. The CCTV Camera shall be an Axis Q6135-LE or City-approved equivalent. The equivalent CCTV camera shall meet the following minimum specifications:
(a) Sensors & Optics
1. The CCTV Camera shall be equipped with a 1/2.8” progressive scan CMOS.
2. The camera shall contain an automatically removable IR-cut filter providing Day/Night functionality.
3. The camera shall meet or exceed the following illumination specifications:
A. 0.06 lux at 30 Institute of Radio Engineers (IRE) F1.4 (color) B. 0.09 lux at 50 IRE F1.4 (color) C. 0.008 lux at 30 IRE F1.4, 0 lux with IR illumination on (B/W) D. 0.01 lux at 50 IRE F1.4, 0 lux with IR illumination on (B/W)
4. The camera shall provide 32x optical zoom.
5. The camera shall provide 12x digital zoom.
6. The camera shall provide 384x total zoom.
7. The camera shall provide adjustable zoom speed.
(b) Image Control
1. The camera shall incorporate Forensic Wide Dynamic Range - providing up to120 decibel dynamic range depending on scene.
2. The camera shall support a configurable maximum shutter in the range of 1/66,500 seconds to
2 seconds.
3. The camera shall provide electronic image stabilization.
4. The camera shall incorporate a function for fine tuning of low light behavior.
5. The camera shall incorporate a function for tone mapping.
6. The camera shall incorporate a function for defogging.
7. The camera shall incorporate a function for day/night shift level.
8. The camera shall incorporate a function for text and image overlay.
9. The camera shall incorporate functions for compression, saturation, brightness, contrast, local contrast, white balance, exposure control, and exposure zones.
10. The camera shall incorporate a function for image freeze on PTZ.
11. The camera shall incorporate a function for scene profiles.
12. The camera shall incorporate a minimum of 32 individual polygon privacy masks.
CLOSED CIRCUIT TELEVISION CAMERA
(c) Video
1. The camera shall be capable of providing multiple, individually configurable streams in
H.264, H.265, and Motion JPEG.
2. The camera shall be provide a resolution range of 320x180 to 1920x1080p (HDTV 1080p) and support a frame rate of at least 50 frames per second in HDTV 1080p.
3. The camera shall support H.264 Baseline, Main and High Profiles, H.265 Main Profile, and
Motion JPEG.
4. The H.264 and H.265 implementation shall include Axis Zipstream technology and support
Maximum Bit Rate (MBR), Adaptive Bit Rate (ABR), as well as Variable Bit Rate (VBR).
5. The camera shall include a low latency mode.
(d) Pan Tilt Functionality
1. The camera shall provide more than 256 preset positions.
2. The camera shall include a nadir flip function.
3. The camera shall be able to record up to 10 PTZ tours with a maximum duration of 16 minutes each, support a maximum 100 guard tour, and include a control queue for this function.
4. The camera shall include an orientation aid PTZ and include a function to set new pan 0 degrees.
5. The camera shall provide on-screen directional indicator.
6. The camera shall provide a speed dry function.
7. The camera shall be equipped with accurate high-speed pan-tilt functionality with 360 degrees endless pan range and a tilt range of +20 to -90 degrees.
8. The camera shall provide a pan speed between 0.05 degrees – 700 degrees/sec, and a tilt speed between 0.05 degrees - 500degrees/sec.
CLOSED CIRCUIT TELEVISION CAMERA
(e) Event Functionality
1. The camera shall be equipped with an integrated event functionality, which can be trigged by:
A. Live stream open B. Manual trigger/virtual inputs C. Fan malfunctioned D. Temperature E. PTZ autotracking F. PTZ malfunctioning G. PTZ moving H. PTZ ready I. PTZ preset position reached J. Edge storage disruption
K. Edge storage recording ongoing L. Shock detected
M. Analytics N. IP address removed O. New IP address P. Network lost Q. Storage failure R. System ready S. MQTT subscribe T. Scheduled event U. Day/night mode
2. The cameras response to a trigged event shall include:
A. Send notification, using HTTP, HTTPS, TCP, SNMP trap or email B. Upload of images, using FTP, SFTP, HTTP, HTTPS, network share, or email C. Upload of video clips, using FTP, SFTP, HTTP, HTTPS, network share, or email D. Recording of video to SD card and network share E. Day/night vision mode F. PTZ preset G. PTZ guard tour H. Overlay text I. WDR mode J. IR illumination
K. MQTT publish
(f) Storage
1. The camera shall be equipped with a video buffer for saving pre- and post-alarm images.
2. The camera shall have a Secure Digital (SD) card slot to support local storage of video.
3. The camera shall include support for microSD, microSDHC, and microSDXC cards.
4. The camera shall support SD card encryption.
5. The camera shall support recording to network attached storage.
CLOSED CIRCUIT TELEVISION CAMERA
(g) Security
1. The unit shall support HTTPS/HSTS, TLS v1.2 or v1.3, IEEE802.1X, IEEE 802.1AE, Network Time Security (NTS), X.509 Certificate PKI, and host-based firewall authentication.
2. The camera shall provide Signed OS, brute force delay protection, digest authentication and
0Auth 2.0 RFC6749 OpenID Authorization Code Flow for centralized ADFS account management, password protection, and AES-XTS-Plain64 256bit SD card encryption.
3. The camera shall support Axis Edge Vault cybersecurity platform TPM 2.0 (CC EAL 4+, FIPS 140-2 Level 2), secure keystore, and secure boot.
(h) Camera Installation & Maintenance
1. The camera shall include a customizable pixel counter functionality, identifying the size of objects in number of pixels.
2. The camera shall include a leveling guide.
3. The camera shall allow updates of the software (firmware) over the network, using FTP or
HTTP.
4. The camera shall support time synchronization via NTP server.
5. The camera shall provide a log file, containing information about all users connecting to the unit since last restart.
6. The camera log file shall include information about the connecting IP addresses and the time of connection.
7. The camera shall be monitored by a functionality, which shall automatically re-initiate processes or restart the unit if a malfunction is detected.
8. The camera shall send a notification when the unit has re-booted and all services are initialized.
(i) API & Applications
1. The unit shall contain a built-in cloud connection.
2. The camera shall be fully supported by open and published API (Application Programmers
Interface) providing necessary information for integration of functionality into third party applications.
3. Cameras shall comply with relevant ONVIF profile as defined by the ONVIF Organization.
(j) Network Functionality
1. The camera shall support both static IP addresses and addresses from a DHCP-server.
2. The camera shall support both IPv4 and IPv6.
3. The camera shall incorporate support for Quality of Service (QoS).
4. The camera shall incorporate support for Bonjour.
CLOSED CIRCUIT TELEVISION CAMERA
(k) Other Functionality
1. The camera shall provide a configurable text overlay, including the date and time.
2. The camera shall provide a configurable graphical image overlay in the video stream.
3. The camera shall have the ability to provide up to 32 individual 3D privacy masks to the image.
4. The camera shall provide a function for altering the language of the user interface, and shall include support for at least:
A. English B. Portuguese C. French D. German E. Italian F. Japanese G. Korean H. Russian I. Dutch J. Czech
K. Swedish L. Finnish
M. Turkish, N. Thai O. Vietnamese P. Simplified Chinese Q. Traditional Chinese R. Spanish
(l) Mechanics & Environmental
1. The camera shall be manufactured with an IP66-, NEMA 4X-, IK08 and IK10-rated repaintable metal casing (aluminum), hard coated polycarbonate clear dome with Sharpdome Technology.
2. The camera enclosure shall include the following:
A. Sunshield B. Temperature sensors C. Heaters D. Fans
3. The camera shall operate in a temperature range of:
A. 30 W midspan -30°C to 50 °C (-22 °F to 122 °F) B. 60 W midspan -50 °C to 50 °C (-58 °F to 122 °F) C. Maximum temperature according to NEMA TS 2 (2.2.7): 74 °C (165 °F)
4. The camera shall start-up at temperatures as low as -40°C (-40°F).
5. The camera shall operate in a humidity range of 10–100 percent relative humidity
(condensing).
(m) Connectors.
1. The camera shall be equipped with the following:
2. RJ45 10BASE-T/100BASE-TX PoE Ethernet port.
3. RJ45 Push-pull connector (IP66).
4. Audio and I/O connectivity via portcast technology.
CLOSED CIRCUIT TELEVISION CAMERA
(n) Power. 100-240 V AC / 50-60 Hz, max 74 W – provided to the camera through a shielded Cat5e cable by a separate injector, supplied with the camera.
(o) Standards & Regulations
1. The specified unit shall meet product safety standards as defined in IEC/EN/UL 62368-1
2. The specified unit shall meet product safety standards as defined in IEC/EN/UL 60950-22
3. The camera shall meet ISO/IEC 14496-10 Advanced Video Coding (H.264)
4. The specified unit shall carry the following EMC approvals:
A. EN 55022 Class A
B. EN 55024
C. FCC Part 15 Subpart B Class A D. VCCI Class A E. RCM AS/NZS CISPR 32 Class A
F. ICES-3 (A)/NMB-3(A)
G. KC KN32 Class A
H. KN35
5. The camera shall meet the following mechanical environmental standards:
A. IEC/EN 60529 IP66
B. NEMA 250 Type 4X
C. NEMA TS-2(2.2.7, 2.2.8, 2.2.9)
D. IEC/EN 62262 IK08
E. IEC 60068-2-1
F. IEC 60068-2-2
G. IEC 60068-2-6
H. IEC 60068-2-14
I. IEC 60068-2-27
J. IEC 60068-2-30
K. IEC 60068-2-78
L. ISO 4892-2
6. The camera shall meet the following railway environmental standards:
A. EN 50121-4
B. IEC 62236-4
7. The camera shall meet the following standards:
A. IEEE 802.1X (Authentication) B. IPv4 (RFC 791) C. IPv6 (RFC 2460) D. QoS – DiffServ (RFC 2475)
(p) Sustainability
1. The specified unit shall be PVC-free in accordance with IEC 61249-2-21.
CLOSED CIRCUIT TELEVISION CAMERA
(q) Installation, Warranty, & Recognitions
1. The specified unit shall be backed by a manufacturer warranty for a minimum of five years.
2. The contractor or designated subcontractor shall submit credentials of completed manufacturer certification, verified by a third party organization, as proof of knowledge.
3. All equipment shall be tested and configured in accordance with instructions provided by the manufacturer prior to installation.
4. All firmware found in products shall be the latest provided by the manufacturer, or of a version as specified by the provider of the Video Management Application (VMA) or Network Video Recorder (NVR).
(r) Pole-Mount Adapter Arm and Bracket. The adapter shall have a minimum 33 lb load rating and have provisions that allow mounting directly to the weatherproof dome housing without modification to the housing. The adapter bracket shall have slots for a minimum of 2 straps or banding material for mounting to a pole from 3 inches to 6 inches in diameter. The bracket shall have cable strain relief in at least two locations on the reverse side, (between the bracket and the pole).
(s) Cat 5e Cable. Cable shall be an 8 wire twisted pair cable constructed of 24 AWG stranded copper wires with minimum Category 5e rating. The outer jacket shall be UV resistant PVC insulation designed for outdoor use. Shielded cable shall be used when prescribed by the manufacturer, run through conduit or enclosed structures, and when needed for equipment or electrostatic grounding.
Unshielded cable shall be used for interconnections within the same cabinet, or where grounding and electromagnetic interference is not present. All Cat 5e cables used for Ethernet data shall utilize the T568B wiring scheme, unless otherwise specified by the Engineer.
(t) Cat5e Cable Connectors. Where shielded cable is used as an equipment ground, conductive connectors shall be used on both ends of the cable. Shielded cable shall be terminated with either conductive or non-conductive male 8P8C connectors. Where shielded cable is used as an electrostatic drain, the grounded side of the connection shall be terminated with a conductive connector and the ungrounded side shall be terminated with a non-conductive connector. Unshielded cable shall be terminated with non-conductive male 8P8C connectors on both ends.
CONSTRUCTION REQUIREMENTS
Subsection 614.10 shall include the following:
(j) CCTV Camera. The Contractor shall install the CCTV Camera in accordance with these specifications, details shown in the Plans, and in accordance with manufacturer’s recommendations. The Contractor shall make arrangements required for a qualified manufacturer’s representative to be on-site to ensure proper installation of the CCTV camera.
The Contractor shall ensure that the installation meets minimum requirements set forth by the manufacturer, to ensure all work will be covered by the manufacturer’s warranty.
The Contractor shall pick up the camera and shall install it at the location designated by the Engineer.
The Contractor shall contact the Engineer a minimum of two (2) business days prior to installation of the CCTV camera or the drilling of a hole for cable access within the mounting pole.
CLOSED CIRCUIT TELEVISION CAMERA
The Contractor shall drill a maximum 1-inch hole in the mounting pole to allow passage of the Cat 5e cable. The hole shall be free of burs and sharp edges prior to the installation of the cable. The Contractor shall provide a weather seal for the adapter bracket at the 1-inch hole at the top of the pole per the manufacturer’s recommendations. The contractor shall attach the Cat 5e cable to the reverse side of the mounting bracket to ensure proper strain relief and prevent damage caused to the camera or housing. The Contractor shall install the Cat 5e cable down the interior of the structure and exit through existing conduit to the traffic signal controller cabinet.
The Contractor shall attach the camera at an orientation to achieve the optimal view of traffic and the traffic signal controller cabinet, or as directed by the Engineer.
The Contractor shall mount the PoE midspan module securely in the traffic signal controller cabinet as directed by the Engineer. The PoE shall be plugged into a grounded non-GFCI protected outlet. If available a UPS protected outlet should be used to power the power supply.
The Contractor shall install the shielded Cat 5e cable with conductive RJ-45 terminations from the PoE supply to the camera providing a path to ground.
The Contractor shall run a shielded Cat 5e cable with a conductive RJ-45 termination on one end and non-conductive termination on the other from the PoE supply to the field communication device with the conductive termination plugged into the PoE supply.
The Contractor shall install and configure the SD Card such that it is ready for use and remote access.
The Contractor shall test each camera for full functionality and coordinate with the Engineer to verify access on the connected network.
METHOD OF MEASUREMENT
Subsection 614.13 shall include the following:
Closed Circuit Television Camera shall be measured by the number of Closed Circuit Television Cameras furnished, installed, tested, and accepted.
BASIS OF PAYMENT
Subsection 614.14 shall include the following:
Payment will be made under:
Pay Item Pay Unit
Closed Circuit Television Camera (Traffic Surveillance) Each
Payment will be full compensation for all work, materials, and equipment required to furnish and install a fully operational CCTV in accordance with these specifications.
ETHERNET SWITCH
Section 614 of the Standard Specifications is hereby revised for this project to include the following:
DESCRIPTION
Subsection 614.01 shall include the following:
This work consists of furnishing and installing an Ethernet managed field switch in the traffic signal controller cabinet.
MATERIALS
Subsection 614.08 shall include the following:
The Ethernet managed field switch shall conform to the following requirements:
(a) Compatibility
1. The Ethernet managed field switch furnished and installed by the Contractor shall be fully compatible and operable with all functional aspects of the Ethernet managed field switches currently deployed in the City’s existing traffic signal communications network.
(b) Interfaces
1. Minimum of twelve 10/100BASE-TX ports with a minimum of four ports supporting PoE+
(IEEE 802.3at up to 60 W at 52-57 VDC)
2. Two 100BASE-FX/1000BASE-LX ports
3. One console port
4. LED indicators for each power supply and for link/activity and speed
(c) Management
1. CLI, Telnet, and Web browser capability
2. Support for SNMP v1/v2c/v3
3. Firmware and switch configuration upgrade and backup via TFTP
4. Support DHCP server/client
5. Minimum RMON1 MIB monitoring of group 1, 2, 3, and 9
6. Port mirroring of TX/RX or both
7. NTP time synchronization with same time source used for the City’s traffic signal control system servers and controllers
8. Support IEEE 802.1ab LLDP
(d) Security
1. Support MAC address filtering
2. Allow for enabling/disabling of ports
3. Provide storm control for broadcast and multicast types
4. Support IEEE 802.1x LAN access control
5. Support remote authentication through RADIUS
6. Support SSH for CLI and Telnet security
7. Support SSL for Web security
8. Support for multi-level user accounts and passwords to protect against unauthorized configuration
9. Support system log for both local and remote access
(e) QoS
1. Support a minimum of four priority queues per port
2. Support traffic classification based on IEEE 802.1p CoS and DSCP
3. Support rate limiting for ingress and egress
ETHERNET SWITCH
(f) Features
1. Support store-and-forward switching
2. Support auto-negotiation for port speed and duplex mode
3. Support IEEE 802.3x flow control for full duplex mode
4. Support auto MDI/MDIX
5. Support the following redundancy protocols: IEEE 802.1D STP, IEEE 802.1w RSTP, and IEEE
802.1s MSTP
6. Support port-based VLANs, IEEE 802.1Q Tag VLANs, GVRP, and GMRP
7. Support link aggregation using either static trunk or IEEE 802.3ad LACP
8. Support IGMP snooping v1/v2/v3
(g) Supported Standards
1. IEEE 802.3 10BASE-T
2. IEEE 802.3u 100BASE-TX/100BASE-FX
3. IEEE 802.3ab 1000BASE-T
4. IEEE 802.3z 1000BASE-SX/1000BASE-LX
5. IEEE 802.3x Full Duplex and Flow Control
6. IEEE 802.1p QoS
7. IEEE 802.1Q Tag VLANs
8. IEEE 802.1x Port-based Network Access Control
9. IEEE 802.3at PoE+
(h) Power
1. Provide redundant power inputs to each switch using two power supplies that meet the same environmental requirements of the switch. Redundant power supplies shall obtain its input power from a 115 VAC output of the UPS located in each controller cabinet and provide an output power to the switch in either 24 or 48 VDC. The power supplies shall be rated for the power consumption of the switch including PoE+ ports. Mounting of the redundant power supplies shall be on a DIN rail mounted within the controller cabinet. Reverse polarity protection shall be provided.
(i) Environmental
1. Operating temperature of -40ºF to +167ºF
2. Relative humidity 5% to 95% (non-condensing)
3. FED-STD-101C Test Procedure for Packaging Materials
(j) Regulatory Approvals
1. ISO 9001
2. UL 508
3. FCC Part 15B Class A
4. NEMA TS2
Fiber optic patch cables shall be duplex with a nominal outside diameter of 3.0 mm. The fiber type shall be single mode conforming to ITU-T G.652D. It shall utilize a SC connector with an insertion loss not exceeding 0.3 dB and a return loss ≤ 55 dB for UPC finish. The patch cables shall have an operating temperature range of -22ºF to +167ºF and conform to the requirements of Telcordia GR-326.
ETHERNET SWITCH
CONSTRUCTION REQUIREMENTS
Subsection 614.10 shall include the following:
(j) Ethernet Switch. The Ethernet Switch shall be installed in a traffic signal and/or communications cabinet.
For connection of the switch to the optical fiber network, patch cables shall be installed and connected to the optical ports of the switch, as shown on the plans or directed by the Engineer.
The Contractor shall provide single mode, pre-connectorized duplex patch cables with a polyurethane jacket for connection from the patch panel and the optic modules. Connectors for the patch cable shall be SC on the Ethernet switch end and SC on the patch panel end. The patch cable shall be of sufficient length to span from the termination patch panel to the Ethernet switch ports with a maximum of two (2) feet of slack. They shall be installed in a manner which will not interfere with internal device equipment in the traffic signal or communications cabinet and will include cable management so as not to interfere with future maintenance within the traffic signal or communications cabinet. For the duplex patch cables, the Contractor may remove the SC connector’s duplexing clip to allow each connector to be removed individually at the termination panel end, if needed, to accommodate the use of optical attenuators in the receive port.
METHOD OF MEASUREMENT
Subsection 614.13 shall include the following:
The Ethernet Switch will be measured by the actual number of switches installed and accepted for a complete installation. Material required for mounting of the Ethernet Switch in the cabinet will not be measured separately, but shall be included in the price of the Ethernet Switch.
Payment will be full compensation for all labor, materials, and equipment required to complete the work.
BASIS OF PAYMENT
Subsection 614.14 shall include the following:
Ethernet Switch shall include SC optical transceivers, RJ-45 copper transceivers, power supplies, power cables, DIN rail, CAT5e Ethernet cables, single mode fiber optic pre-connectorized patch cables, licenses, switch operating system and software, other associated wiring, and documentation. The Ethernet Switch itself shall not be paid for separately but shall be included in the work for the Traffic Signal Controller Cabinet.
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