676-1 Description.
Furnish and install traffic cabinets as shown in the Plans. Meet the requirements of Section 603.
676-2 Materials.
676-2.1 General: Use traffic signal controller cabinets, ITS cabinets, and small
equipment enclosures that meet the requirements of Section 995-11 and are listed on the Department’s Approved Product List (APL). Provide the cabinet with an automatic transfer switch if shown in the Plans. N ew signal installations must include controller cabinets that will interface with the dimming circuit of LED street lighting with an auxiliary relay if shown in the Plans. Provide cabinets with No. 2 locks unless otherwise shown in the Plans.
676-3 Installation Requirements.
676-3.1 General: Ground all cabinets in accordance with the requirements of
Section 620. Keep the ground wire from the cabinet ground busbar to the ground rod assembly or array as short as possible. Ensure the ground wire is not in contact with any other part of the cabinet. Controller cabinets shall be wired in accordance with the signal operating plan specified in the Contract Documents. If phases are omitted for future use, the cabinet must be wired for these future phases. However, the load switches for the fu ture phases do not have to be furnished. All field drilled conduit entrance holes or other holes must be reamed and free of burrs. All conduit connections to cabinet s and small equipment enclosures must be weatherproof.
676-3.2 Traffic Signal Controller C abinet Installation: Install traffic signal controller
cabinets in accordance with Standard Plans, Index 676-010.
676-3.2 1 Pole Mounted Cabinets:
a.Fasten the pole mounted hardware furnished with the cabinet to the cabinet using bolts no less than 1/2 inch threaded diameter. Ensure all connections are watertight.
b.Use stainless steel bands for mounting cabinets onto steel strain poles.
c.Use stainless steel bands or lead anchors (or equivalent) for mounting cabinets onto concrete strain p oles.
d.Use stainless steel bands or lag bolts for mounting cabinets onto wood poles.
676-3.2 2 Base Mounted Cabinets:
a.Use anchor bolts to fasten base mounted cabinets to the concrete base.
b.Seal the joint between the bottom of the cabinet and the concrete base (inside and outside of cabinet) with a clear silicone rubber sealant.
c.Construct the base for the cabinets with concrete in accordance with Section 347. Make the concrete base for the cabinet level, free of honeycombs an d as smooth as possible. Temporarily seal the end of conduit risers located in the base before placing the concrete. Position the end of the conduit risers a minimum of 2 inches above the finished surface of the concrete base.
676-3.2 3 Field Wiring :
FY 2023-24 Return to Table of Contents
a.Terminate signal cable, interconnect cable, and loop lead -in wires on the appropriate terminal strips in the controller cabinet with insulated terminal lugs. Use a calibrated ratchet type crimping tool to install the insulated terminal lugs onto the fi eld wires.
b.Label spare circuits of the signal and interconnect cables and connect them to the cabinet ground busbar.
c.Neatly bundle and identify all field wiring cables in the controller cabinet.
676-3.3 Intelligent Transportation System Cabi net Installation: Mount the cabinet as
shown in the Plans and provide the cabinet with the necessary base or pole mount hardware. Ensure that pole and structure -mounted field cabinets have mounting brackets on the side so that both cabinet doors are fully functional. Provide an adapter bracket for pole mounted cabinets that is designed to allow banding straps to be installed without obstructing pole handholes. Make provisions for all data, control, and confirmation connections between the ITS device and f ield cabinet and for any required wiring harnesses and connectors. Place a heavy -duty resealable plastic bag on the backside of the main cabinet door for storing a list of terminal block connections and other cabinet documentation. Place all equipment in the cabinet according to the recommendations of the manufacturer. Maintain a minimum clearance of 6 inches between the top of the cabinet and the top of any equipment placed on the top shelf of the cabinet and a minimum clearance of 2 inches between eac h side of the cabinet and any equipment placed on the cabinet shelves. Construct a maintenance service slab as shown in Standard Plan 676-010 or as shown in the Plans. Construct the maintenance service slab with concrete in accordance with Section 347.
676-3.4 Small Enclosure Installation: Mount the enclosure on a pole or support
structure as shown in the Plans and provide any hardware necessary for a complete and accepted installation.
676-4 Warranty.
Ensure cabinets and enclosures have a manufacturer’s warranty covering defects for a minimum of two years from the date of final acceptance in accordance with 5 -11 and Section 608. The warranty must include providing replacements, within 10 calendar days of notification, for defective parts a nd equipment during the warranty period at no cost to the Department or maintaining agency.
676-5 Method of Measurement.
The Contract unit price each for cabinet or enclosure , furnished and installed, will include all materials specified in the Contract D ocuments, and all labor, equipment, and miscellaneous materials necessary for a complete and acceptable installation. No separate payment will be made for a traffic signal controller cabinet when included with the controller assembly as per Section 670.
676-6 Basis of Payment.
Price and payment will be full compensation for all work specified in this Section. Payment will be made under: Item No. 676 - 1- Traffic Signal Controller Cabinet - each. Item No. 676 - 2- ITS Cabinet - each. Item No. 676 - 3- Small Equipment Enclosure - each. FY 2023-24 Return to Table of Contents SECTION 677 EQUIPMENT SHELTER
677-1 Description.
Furnish and install an equipment shelter as shown in the Plans. Ensure that all materials furnished, assembled, fabricated, or installed are new products.
677-2 Materials.
677-2.1 General: Ensure that the shelter includes a secure door ; power distribution
panels; a heating, ventilation, and air conditioning (HVAC) sy stem; lightning protection, grounding, and any other components necessary for a completely integrated communication building. Ensure that the shelter is constructed and installed according to local building codes. Provide a shelter designed for the follo wing loads: wind: 170 MPH; floor: 200 pounds per square foot; slab: 200 pounds per square foot; roof: 100 pounds per square foot. Submit design drawings that meet all minimum standards and are signed and sealed by a registered Professional Engineer in the State of Florida. The shelter’s exterior shall have an exposed concrete aggregate finish. The shelter must have a bullet-resistant exterior surface in accordance with UL 752. The shelter’s exterior color is to be earth tone. Alternative exterior finishes or colors may be approved by the Engineer.
677-2.2 Shelter Floor and Foundation: The floor is to be constructed of concrete or
concrete composite material. The foundation is a monolithic slab with appropriate footings and the final top of slab elevation is set a minimum of 2 feet above final grade , or as shown in the Plans . Concrete is to be Class II for extremely aggressive environment s and in accordance with Section 346. Perform c oncrete structures work in accordance with Section 400. The equipment shelter must not bend or break during moving, towing, or hoisting . The equipment room’s interior floor covering is to be industrial -grade vinyl flooring fastened to the shelter floor with waterproof adhesive. Provide an air gap between the equipment shelter floor and the foundation slab, or alternatively, construct the foundation slab with a vapor barrier to prevent moisture penetration. Insulate the floor to provide a minimum insulating factor of R -11.
677-2.3 Door: The exterior door is to be 36 inches wide by 78 inches tall, insulated,
bullet-resistant, corrosion -resistant steel door with a door check and doorstop secured with a mortised deadbolt security lock keyed as directed . The door is to have a lever type handle on both the inside and outside. Provide the Department with four keys to each door lock.
677-2.4 Walls: Vapor shield the walls to prevent moisture penetration and install rigid
board insulation for a minimum insulating factor of R -14. Attach the vapor shield and insulation directly to the concrete wall avoiding any air gap. Interior surfaces are to have a white textured finish wall covering with molding on all corners. All floor and wall intersections are to have 4 inch vinyl baseboards installed using waterproof adhesive.
677-2.5 Ceiling and Roof: The interior room height is to be no less than 9 feet above the
floor and capable of supporting the proposed electrical fixtures and cable trays. The roof section shall have a 1/8 inch per foot minimum pitch for drainage. Fill a ll voids between the ceiling and roof with a vapor shield and install rigid board insulation for a minimum Type insulating factor of R-21 insulation. Attach the vapor shield and insulation directly to the concrete ceiling avoiding any air gap. FY 2023-24 Return to Table of Contents
Source: Florida Standard Specifications for Road and Bridge Construction, 2024 Edition. Pages 906–907 of 1,299.