Install Over height Vehicle Detection System

The vendor is required to provide and install over height vehicle detection system.
- Designate a single point of contact (SPOC) who shall be available for emergency request that shall be available 24 hours a day 7 days a week; this shall be submitted on the price sheet.
- During times the SPOC is unavailable (due to vacation, travel, etc., for example), the contractor shall provide a designee for the SPOC.
- Provide a SPOC available at the work site during all hours worked by the contractor's employees.
- The SPOC shall be fluent in the English language and shall be able to communicate effectively with the contract manager and/or designee.
- The SPOC shall have the authority to dispatch contractor personnel; and shall have full decision-making authority on behalf of the contractor for all services provided under this contract.
- The SPOC shall inspect, monitor, and supervise the contractor’s employees, ensuring adherence to the work schedule, safety requirements, and quality of work.
- The SPOC shall not be removed from the project without prior written consent by the contract manager and/or designee.
- Provide a complete dual beam over height vehicle detection system to detect objects dynamically crossing a city-created horizontal elevated plane at a city-determined height above the roadway surface; the detection system will be positioned only to detect objects moving in one travel direction. the detection system will use infra-red or red source technology or approved equal and spectrally matching detectors mounted on poles positioned on opposite sides of the approach at locations shown on the plans; furnish units with an effective detection range of 10 ft. to 200 ft. with a reaction speed range of 1 mph to 75 mph for a 2.5 in. diameter object that extends one in. above the height of the detectors.
- Provide a detection system that negates the effect of ambient light and internal environmental control that reduces operational failure from fog condensation and insects.
- Provide an alarm output with two dry relay contact closures, form c, contacts rated 115vac 10a, and protected by an 8a circuit breaker.
- Provide a fault output with a dry relay contact opening, form c, contacts rated 115vac 10a, and protected by an 8a circuit breaker.
- Provide an alarm time that the city can adjust to a minimum of 1 to 30 seconds.
- Provide sensors shall be 6p enclosure rated with a printed circuit board.
- Provide a direction selection switch.
- Provide two (2) green leds and a go-nogo meter for alignment.
- Provide three-axis mounts that enable pitch, heading, and roll adjustment.
- Provide a counter that shall record the number of activations.
- Provide a unit that has a temperature range of -40 degrees to 135 degrees county (-40 degrees to +57 degrees celsius)
- Provide an internal thermostat that controls airflow to reduce moisture and maintain internal temperature during cold weather.
- Provide external housing made of heavy almag casting and sheet aluminum (not less than 1/8 inch thick) to minimize vandalism and provide durable mounting; the housing shall have a powder-coated gray finish.
- Provide a source cabinet that is one (1) ¾ inch
- Provide a secondary box to power the system next to the gate's existing power box a 110-volt outdoor outlet shall also be installed next to the secondary box.
- Place the warning system on a 4-inch aluminum pedestal pole; an additional warning sign shall be installed on the existing fence by the entrance gate.
- Secure existing unis rut on the riser pole; final testing will be performed after the panel is connected to the existing pole top power by city energy and the circuit is activated.
- Installation requirements:
- The contractor shall:
- Install a complete dual beam over-height vehicle detection system.
- Installation shall be made within thirty (30) calendar days after award or mutually agreed upon by the contractor and city.  
- Install audible and visual warning systems that shall be included along with 120v plugs for outdoor use.
- Install the warning system on a 4-inch aluminum pedestal pole; an additional warning sign shall be installed on the existing fence by the entrance gate.
- Install a pole mount bracket with an 8-circuit main lug only (MLO) load center on the existing gate controller switch pole (see attachment a), complete with a new rigid metal conduit (RMC) rise and weather head.
- Install trenched and bored conduit and power conductor wires at the designated site to provide power to the over-height vehicle detector system (OHVDS) equipment; the system shall be located on the newly installed poles 50 feet inside the main entrance.
- Install an electronic siren capable of producing an output of 107 to 111 decibels (DB) measured at a distance of 10 feet
- The siren volume shall maintain a decibel level between 107 and 111 DB to effectively alert drivers by overcoming distractions such as truck noise, radios, or closed windows; although the system should remain inactive under ideal conditions, when triggered, the siren must produce an unmistakable alert to address critical safety concerns.
- Install a driver-controlled, weatherproof, industrial-grade switch or button located outside the vehicle for the driver to press if the system is triggered; this feature is essential for addressing both valid warnings and false alarms.
- Contract Period/Term: 1 year