34 71 13.19_Add03.pdf

TRUAX FIELD ANGB - F-35: ALTER BLDG 406 Addendum 3

XGFG182008 08 MAR 2021

SECTION 34 71 13.19

CRASH RATED ACTIVE VEHICLE BARRIERS AND CONTROLS

02/20

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

AMERICAN ASSOCIATION OF STATE HIGHWAY AND TRANSPORTATION OFFICIALS

(AASHTO)

AASHTO GDHS-5 (2011, Errata 2012) A Policy on Geometric Design of Highways and Streets

AASHTO RSDG-4 (2011; Errata 1 2012; Errata 2 2015) Roadside Design Guide

AMERICAN WELDING SOCIETY (AWS)

AWS D1.1/D1.1M (2020) Structural Welding Code - Steel

ASTM INTERNATIONAL (ASTM)

ASTM F2656/F2656M (2020) Standard Test Method for Crash Testing of Vehicle Security Barriers

INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS (IEEE)

IEEE 142 (2007; Errata 2014) Recommended Practice for Grounding of Industrial and Commercial Power Systems - IEEE Green Book

IEEE C37.90 (2005; R 2011) Standard for Relays and Relay Systems Associated With Electric Power Apparatus

IEEE C37.90.1 (2013) Standard for Surge Withstand Capability (SWC) Tests for Relays and Relay Systems Associated with Electric Power Apparatus

INTERNATIONAL ELECTROTECHNICAL COMMISSION (IEC)

IEC 61131-3 (2013) Programmable Controllers - Part 3:

Programming Languages

INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO)

ISO ISO/IEC 17025 (2017) General Requirements for the Competence of Testing and Calibration Laboratories

SECTION 34 71 13.19 Page 1

NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION (NEMA)

NEMA 250 (2018) Enclosures for Electrical Equipment (1000 Volts Maximum)

NEMA ICS 1 (2000; R 2015) Standard for Industrial Control and Systems: General Requirements

NEMA ICS 2 (2000; R 2005; Errata 2008) Industrial Control and Systems Controllers, Contactors, and Overload Relays Rated 600 V

NEMA ICS 4 (2015) Application Guideline for Terminal Blocks

NEMA MG 1 (2018) Motors and Generators

NEMA TS-2 (2016) Traffic Controller Assemblies with NTCIP Requirements - Version 03.07

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 70 (2020; ERTA 20-1 2020; ERTA 20-2 2020; TIA

20-1; TIA 20-2; TIA 20-3; TIA 20-4)

National Electrical Code

U.S. FEDERAL HIGHWAY ADMINISTRATION (FHWA)

MUTCD (2009; Rev 2012) Manual on Uniform Traffic Control Devices

NCHRP 350 (1993) Recommended Procedures for the Safety Performance Evaluation of Highway Features

U.S. NATIONAL ARCHIVES AND RECORDS ADMINISTRATION (NARA)

47 CFR 15 Radio Frequency Devices

UNDERWRITERS LABORATORIES (UL)

UL 486A-486B (2018) UL Standard for Safety Wire Connectors

UL 508 (2018) UL Standard for Safety Industrial Control Equipment

UL 1059 (2019; Reprint Jun 2020) UL Standard for Safety Terminal Blocks

1.2 ABBREVIATIONS & DEFINITIONS

1.2.1 Abbreviations

a. ACP - Access Control Point

b. AIE - Automated Installation Entry

c. AVB - Active Vehicle Barrier

d. AVBCS - Active Vehicle Barrier Control System

e. BMS - Balanced Magnetic Switch

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f. CCTV - Closed Circuit Television System

g. CPU - Central Processing Unit (Computer)

h. CSMS - Central Security Monitoring Station (e.g., Installation Police

Station)

i. CVT - Contractor Verification Test

j. DTS - Data Transmission System

k. ECF - Entry Control Facility

l. FAT - Factory Acceptance Test

m. PLC - Programmable Logic Controller

n. PVT - Performance Verification Test

o. RSM - Remote Status Monitor

p. SDC - Standard Design/Criteria

q. SDDC - Surface Development and Distribution Command

r. SDDCTEA - Surface Development and Distribution Command Traffic

Engineering Agency

s. TCU - Traffic Controller Unit

t. UPS - Uninterruptible Power Supply

u. VPD - Vehicle Presence Detector

1.2.2 Definitions

Command & Control. Command & Control function refers to location the main guard will be located to oversee the activity at the ECF/ACP. This is typically the Gatehouse, but not in all cases.

Crash-rated active vehicle barrier. Crash-rated active vehicle barrier and active vehicle barrier in this specification refer to a vehicle barrier that has been tested to impede or stop a vehicle of a specific weight and speed. The barrier is operable either manually or through electrical controls.

1.3 SUBMITTALS

Government approval is required for submittals with a "G" or "S" classification. Submittals not having a "G" or "S" classification are for Contractor Quality Control approval. Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

SD-02 Shop Drawings

Overall System Drawings; G

Point to Point Wiring Information; G crash rated active vehicle barrier system; G

Installation; G

Electrical Work; G

SD-03 Product Data

Major Components; G

Data Package; G

CRASH RESISTANCE: DEMONSTRATION OF COMPLIANCE; G

SD-06 Test Reports

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Contractor Verification Test; G

Contractor Verification Test Report; G

Performance Verification Test (PVT); G

Performance Verification Test Report; G

Endurance Test; G

Final Report; G

SD-07 Certificates

COMPONENT CERTIFICATION; G

SD-08 Manufacturer's Instructions

Manufacturer Repair of Coatings Instructions; G

SD-10 Operation and Maintenance Data

Operation and Maintenance Manuals; G

OPERATING AND MAINTENANCE INSTRUCTIONS; G

Submit operation and maintenance data in accordance with Section 01 78 23 OPERATION AND MAINTENANCE DATA, Controls O&M Data Package and the requirements herein.

1.4 INSTALLATION PACKAGE

Submit Installation package 120 days after receipt of the Notice to Proceed. The installation package consists of the overall system drawings, major components and data package.

1.4.1 Overall System Drawings

Include the following in overall system drawing package:

a. Functional System Block Diagram, identifying all major equipment including interconnection between components specified herein and those furnished under other sections and communications protocols.

(1) Indicate control/signal and data communication paths and identify PLCs, control interface devices, and media to be used

(2) Describe characteristics of network and other data communication lines.

(3) Describe methods used to protect against power outages and transient voltages including types and ratings of isolation and surge suppression devices used in data, communication, signal, control, and ac and dc power circuits.

b. Block and Wiring Diagrams of each subsystem.

c. Drawing showing equipment layout in the Command & Control including the Master control panel, UPS, and other hardware intended to be

SECTION 34 71 13.19 Page 4 located in the Command & Control.

d. Drawing showing equipment layout around the crash rated active vehicle barriers including the crash rated active vehicle barriers, active vehicle barrier control box(es), vehicle presence detectors, stop lines, traffic signals, warning beacons (wig-wag warning signals) (if applicable), and actuated traffic arms (if applicable).

e. A signing and pavement marking plan.

f. Drawing showing layout and dimensions of the each individual active vehicle barrier operating panels.

g. Touchscreen Audible Tones and Visual Indications if used. Include the following material for use at touchscreen video control panels:

(1) Audible indication, notification, and alarm tones.

(2) Visual materials for touchscreen video control panel display screens, complete with proposed shapes, colors, scale, and textual content.

Provide the following: graphics, including maps; icons; dialog boxes;

and help messages, prompts and instructions. Provide material in color.

h. Tamper switch locations for AVBCS related cabinets and operating panels.

i. Vehicle presence detector locations, set-points, and sensor detection patterns. Include descriptions of the security strategy for detecting potential threat vehicles and the coverage and operation of the sensors.

j. Details of connections to power sources, including power supplies and grounding.

k. Preliminary point-to-point wiring database. Preliminary submittals is to provide sufficient detail to ensure the final database has all the appropriate information. Provide details such as the legend to be used for the different wiring types, alphanumeric numbering scheme, abbreviations to be used, and the layout of the database. Provide an example of a small section of the system showing the point-to-point wiring.

1.4.2 Point to Point Wiring Information

Final point-to-point wiring diagram of complete interconnected system including database listing of wire numbers, to and from designations, and wire characteristics.

1.4.3 Major Components

Submit the following for approval:

a. Active Vehicle Barrier Controls to include pushbuttons, indicating lights, switches and panels.

b. Programmable Logic Controller.

c. Traffic Signs: powered and unpowered.

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d. Traffic signals and traffic signal supports.

e. Surge protection device.

f. Cabinets and other main components needed to make a complete system.

g. Tamper switches.

h. Actuated traffic arms.

i. Equipment used for presence detection.

1.4.4 Data Package

1.4.4.1 Delivery

Deliver all items of computer software and technical data (including technical data which relates to computer software), which is specifically identified in this specification in accordance with the CONTRACT CLAUSES, SPECIAL CONTRACT REQUIREMENTS, and in accordance with the Contract Data Requirements List (CDRL), DD FORM 1423, which is attached to and thereby made a part of this contract. Identify all data delivered by reference to the particular specification paragraph against which it is furnished.

1.4.4.2 Active Vehicle Barrier Controls

Describe operation of the different barrier control operating modes to include normal and emergency operation, barrier control switches, actuated traffic arms, traffic signals, warning beacons, and vehicle presence detectors. Include description of security strategy for defeating a threat vehicle and the SDDC approved barrier safety scheme for protecting innocent vehicles from barrier operations.

1.5 COMPONENT CERTIFICATION

Provide certifications from the manufacturers of the following equipment as part of the data package: crash rated active vehicle Barrier, programmable logic controller (PLC), traffic arm, warning signal, annunciator, sequence of events recorder, and all sensors including vehicle presence.

1.6 OPERATION AND MAINTENANCE MANUALS

Submit finalized manuals bound in hardback, loose-leaf binders within 30 days after completing the Endurance test. Update the draft copy used during site testing with any changes required prior to final delivery of the manuals. Identify each manual's contents on the cover. Include in each manual the names, addresses, and telephone numbers of each subcontractor installing equipment and systems, and the nearest service representative for each item of equipment. Provide each manual with a table of contents and tab sheets. Place tab sheets at the beginning of each chapter or section and at the beginning of each appendix. Include modifications made during installation, checkout, and acceptance in the final copies delivered after completion of the endurance test. Provide the number of copies of each manual to be delivered per DD FORM 1423.

1.6.1 Hardware Manual

As a minimum, describe all equipment furnished in the hardware manual and include the following:

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a. General description and specifications.

b. Installation and checkout procedures.

c. Equipment electrical schematics and layout drawings.

d. System schematics and layout drawings.

e. Alignment and calibration procedures.

f. Manufacturer's repair parts list indicating sources of supply.

1.6.2 Functional Design Manual

Identify the operational requirements for the system and explain the theory of operation, design philosophy, and specific functions within the functional design manual. Include a description of hardware and software functions, interfaces, and requirements for all system operating modes.

1.6.3 Maintenance Manual

Include descriptions of maintenance for all equipment including inspection, periodic prevention maintenance (include specific time intervals for each recommended preventative maintenance tasks), fault diagnosis, and repair or replacement of defective components in the maintenance manual.

1.6.4 Final System Drawings

Maintain a separate set of drawings (including site, civil, electrical, mechanical, structural, and architectural plans, elevations, and details), elementary diagrams, wiring diagrams, and control diagrams of the system to be used for final system drawings. This set is to be accurately kept up-to-date with all changes and additions to the AVBCS and to be delivered to the Government with the final endurance test report. In addition to being complete and accurate, this set of drawings is to be kept neat and not be used for installation purposes. Furnish final drawings with the endurance test report on optical disk in AutoCAD latest version format.

1.7 CRASH RESISTANCE: DEMONSTRATION OF COMPLIANCE

Submit the following as demonstration of compliance with the specified crash resistance requirements for each crash rated active vehicle barrier proposed for this project.

1.7.1 DOD Letter of Certification

Submit a DOD Letter of Certification for crash-rated active vehicle barrier with a configuration identical to the as tested crash rated active vehicle barrier being provided. DOS Letter of Certification is allowed; however, the crash-rated active vehicle barrier must be on the DOD anti-ram vehicle barrier list.

1.7.2 Crash Test Report

Submit a crash test report for crash-rated active vehicle barrier with a configuration identical to the as tested crash rated active vehicle barrier being provided, from a DOS approved testing laboratory or a testing laboratory accredited by a nationally recognized testing agency in

SECTION 34 71 13.19 Page 7 accordance with ISO ISO/IEC 17025. This report is only required for crash-rated active vehicle barriers that are not on the DOD list. The information is to be submitted with the barrier submittal and is to show an approved crash test per ASTM F2656/F2656M.

1.7.3 Different Length

The only exception to the requirement that the tested crash rated active vehicle barrier be identical to the as tested crash rated active vehicle barrier being provided is the barrier's length. If a length other than that tested is required, the length of the required crash rated active vehicle barrier must represent an interperloation between the successfully tested lengths of crash rated active vehicle barriers that are identical in all other ways. The tested shorter crash rated active vehicle barrier and the tested longer crash rated active vehicle barrier must be identical in construction and testing conditions before the alternate length can be considered. If the length of the required barrier for this project is different than the length tested, provide Crash Test Reports for identical barriers at the maximum/minimum width conditions as required by ASTM F2656/F2656M section 8.2.5. In addition to the test report, provide a letter written by the manufacturer clearly stating that the alternate length crash rated active vehicle barrier is to be constructed in the same manner as the tested barriers. The crash test reports are to be submitted to the Protective Design Center, Omaha US Army Corps of Engineers for review.

1.7.4 Engineering Analysis

Engineering analysis is not an acceptable form of Demonstration of Compliance.

1.8 QUALITY CONTROL

1.8.1 Project Manager Qualifications

Designate a Project Manager for all work under this specification. The Project Manager is to provide technical and managerial leadership to all contractor personnel and subcontractors during the design, manufacturer, and installation phases of this specification. This person serves as the single point of contact for the General Contractor for all work required in this specification. The Project Manager must have a minimum of 5 years of experience in the design, manufacture, and installation of similar systems.

1.8.2 Installation Superintendent Qualifications

Designate an Installation Superintendent responsible for onsite installation team direction and leadership. First line supervision of tradesmen and subcontractors is provided by the Superintendent. The Superintendent is responsible for job planning and coordination between the work with trades, subcontractors, vendors, and site personnel. The Superintendent is responsible for scheduling materials, equipment, and labor to maintain the flow of work commensurate with the task schedule.

The Superintendent administers and executes the provisions of the Accident Prevention Plan. The Superintendent must have a minimum of 5 years of experience in the installation, operation, and testing of similar systems.

The Project Manager and the Installation Superintendent can be the same individual.

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1.9 TECHNICAL SPECIALISTS QUALIFICATIONS

Provide the services of technical specialists for the crash rated active vehicle Barriers and the related control system. Submit names and qualifications for each of the technical specialists involved. The technical specialists are to have a minimum of 3 years of experience in the installation, operation, and testing of all components, software, and interconnecting wiring of their particular equipment/subsystem. The presence of each technical specialist is required during Factory Tests of the system, during installation in the field, and serves as the Contractor's Commissioning Specialist for their designated equipment/subsystem for the commissioning tests as specified.

1.10 KEY CONTROL PLAN

Key control plan for all Contractor provided enclosures requiring locks and all keyed control switches. Provide a key control plan that includes the following: 1) Procedures that will be used to log and positively control all keys during installation. 2) A listing of all keys and where they are used. 3) A listing of all persons allowed access to the keys.

1.11 DELIVERY, STORAGE, AND HANDLING

Protect components delivered to site and/or placed in storage from the weather, humidity (and humidity variation), temperature (and temperature variation), dirt and dust, or other contaminants. Store structural materials on sleepers or pallets and protect them from rust and objectionable materials such as dirt, grease, or oil. Handle all components to protect finish and coatings from scuffs, abrasions or other damage. Excessive damage to factory applied finishes and coatings is cause for rejection. Provide all other delivery, storage and handling protections as recommended by the manufacturer.

1.12 PROJECT/SITE CONDITIONS

1.12.1 Environmental Conditions

All materials, equipment and installation techniques must be appropriate for the prevalent environmental conditions at the installation location.

Installation is to be in conformance with manufacturer's written environmental requirements. Submit Manufacturer's Environmental Requirements.

1.12.2 Exterior Conditions

House all components mounted in locations exposed to weather in corrosion-resistant enclosures with appropriate environmental protection.

Improper housing design is not to cause a degradation in component performance.

Provide components (those installed outside or in an enclosure exposed outside) that meet the following ambient conditions:

a. Temperature: -30 to 130degrees F;

b. Pressure: Sea level to 5,000 feet above sea level;

c. Solar radiation: Six hours of solar radiation at dry bulb temperature of 120 degrees F including 4 hours of solar radiation at 104 watts psf;

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d. Sand and dust: Wind driven for up to 6 mph;

e. Rain: 2 inches per hour and 5 inches per hour cyclic with wind plus one period of 12 inches per hour;

f. Humidity: 5 to 95 percent;

g. Fungus: Warm, humid atmosphere conducive to the growth of heterotrophic plants;

h. Salt fog: Salt atmosphere with 5 percent salinity;

i. Snow: Snow loading of 48 pounds psf per hour; blowing snow of 4.6 psf per hour;

j. Ice accretion: Up to 1/2 inch of radial ice;

k. Wind: Up to 50 mph with gusts to 66 mph, except that fence sensors are to detect intrusions up to 35 mph; and

l. Acoustical noise: Components are to suitable for use in high noise areas above 110 dB, such as flight lines, run up pads, and generator sites without adversely affecting their performance.

1.12.3 Traffic Flow

Typical vehicle speed over the barrier is expected to be 30 mph."

1.12.4 Site Power Supply

Power supply at the site will be 1_ phase and is located as shown on the drawings.

1.12.5 Current Site Conditions

Prepare and submit a report on "Current Site Conditions", within 75 days of Notice to Proceed, to the Government documenting site conditions that significantly differ from the design drawings and include any conditions on the design documents that would negatively affect performance of the system to be installed. Provide specification sheets, or written functional requirements to support the findings, and a cost estimate to correct those site changes or conditions. Do not perform any field work until the "Current Site Conditions" report is approved by the Government. Do not correct any deficiencies identified in the report without written permission from the Contracting Officer. Review of this package is to be by the designer of record and the local government construction manager.

1.12.6 Generic Design and Contract Revisions

Contract drawings show generic power circuits and voltage configurations for the crash rated active vehicle barriers, sump pumps, heaters, roadway heat tape, and associated. Contractor is responsible for revising the circuit breakers (size and configuration), backup power supplies, conductors and conduit for the specific crash rated active vehicle barrier system the contractor has chosen. Any changes required are the responsibility of the contractor at no cost to the government. Changes required need to be submitted under the paragraph CONTRACT MODIFICATIONS.

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1.13 MAINTENANCE AND SERVICE

1.13.1 Description of Work

The adjustment and repair of the system includes all vehicle barriers and systems installed under this specification. Provide and perform all repair, calibration, and other work in accordance with the manufacturer's documentation and instruction. Responsibility is limited to Contractor installed equipment.

1.13.2 Service Personnel

Certify service personnel in the maintenance and repair of the specific type of equipment installed and qualified to accomplish work promptly and satisfactorily. Advice the Government in writing of the name of the designated service representative, and of any change in personnel.

1.13.3 Schedule of Work

Perform two minor inspections at 6 month intervals (or more often if required by the manufacturer), and two major inspections offset equally between the minor inspections to effect quarterly inspection of alternating magnitude.

1.13.3.1 Minor Inspections

Include visual checks and operational tests of crash rated active vehicle barriers (cleaning pit if necessary), traffic signals, console equipment, peripheral equipment, local processors, sensors, and electrical and mechanical controls as part of the minor inspections.

1.13.3.2 Major Inspections

Major inspections includes work described under paragraph Minor Inspections and the following work:

a. Clean interior and exterior surfaces of all system equipment and local processors, including monitors, keyboards, and console equipment.

b. Perform diagnostics on all equipment.

c. Check, walk test, and calibrate each sensor.

d. Run all system software diagnostics and correct all diagnosed problems.

e. Resolve any previous outstanding problems.

f. Purge and compress data bases.

g. Review network configuration.

1.13.3.3 Scheduled Work

Perform scheduled work during regular working hours, Monday through Friday, excluding federal holidays.

1.13.4 Operation

The applicable portion or portions from the performance verification test

SECTION 34 71 13.19 Page 11 procedures are to be used after all scheduled maintenance and repair activities to verify proper component and system operation.

1.13.5 Records and Logs

Maintain records and logs of each performed task and organize cumulative records for each component and for the complete system chronologically resulting in a continuous log to be maintained for all devices. Provide a log that contains all initial settings. Ensure logs are kept and available for inspection onsite, demonstrating that planned and systematic adjustments and repairs have been accomplished for the system.

1.13.6 System Modifications

Make any recommendations for system modification in writing to the Government. Prior approval of the Government is required before any system modifications are made. Updating of the operation and maintenance manuals as well as any other documentation affected is required after any modification is made to the system.

1.14 WARRANTY

Provide all labor, equipment, and materials required to maintain the entire system in an operational state as specified, for a period of two years after formal written acceptance of the system to include scheduled and nonscheduled adjustments. Contractor is responsible for ensuring the barriers are properly exercised and maintained per the manufacturer instructions until accepted by the Contracting Officer.

PART 2 PRODUCTS

2.1 SYSTEM DESCRIPTION

Furnish and install a complete and functional crash rated active vehicle barrier system. The barrier system consists of a barrier main and receiving buttress, arrest element, electromechanical actuator, servo drive and barrier control panel (BCP) containing the circuit equipment and programming necessary to power and operate the barrier.

2.2 CRASH RATED ACTIVE VEHICLE BARRIER FEATURES

2.2.1 Impact Conditions

The crash rated active vehicle barriers are to withstand an impact corresponding to ASTM F2656/F2656M, Impact Condition OF M30 where the letter(s) correspond to the test vehicle and the last two digits correspond to the test velocity in mph orDOS K4.

2.2.2 Penetration Rating

When subjected to the specified Impact Condition, vehicle barriers are to respond with Penetration Rating equal to or better than P1 as defined in

ASTM F2656/F2656M.

For DOD certified barriers, use the Penetration Rating of L3.0 or better.

2.2.3 Operators

Provide electric (electromechanical) crash rated active vehicle barriers.

SECTION 34 71 13.19 Page 12

2.2.4 Vehicle Loads

All roadway components are to be capable of supporting a 32,000 pound axle load or a 16,000 pound wheel load. Provide a load design in accordance with AASHTO GDHS-5.

2.2.5 Roadway Obstruction

When a barrier is in the "Access Allowed" position, no element in the drive path is to extend above the surrounding grade. Taper all changes in grade.

2.2.6 Dimension Requirements

Provide crash rated active vehicle barrier dimensions with the same dimensions of the barrier tested in the Proof of Performance test(s) and as documented in the Crash Test Report and described in the DOS or DOD Certification Letter.

2.2.6.1 Structural Footprint Dimensions

Structural footprint dimensions are not to exceed 2 inches wide (perpendicular to roadway) x 2 inches long (parallel to roadway) Test crash rated active vehicle barrier buttress at the same rating specified.

Configure barrier so that there is a minimum roadway width of 2 inches between buttresses structural footprint or roadside support system.

2.2.6.2 Clear Distance

Configure barrier so that there is a clear distance of 1 feet between the buttresses structural footprint or roadside support systems.

2.2.7 Failure Modes of Operation

Design the system to remain in the last commanded position in the event of electrical, or mechanical failure.

a. Design the system so that unauthorized personnel cannot manually manipulate the barrier into the "access allowed" position in the event of a power outage. Locks and tamperproof screws and bolts are examples of acceptable means to prevent unauthorized access.

b. Design the system to allow authorized personnel to manually manipulate the barrier into the "access allowed" and "access denied" position in the event of a power outage or operator failure. Barriers are to be capable of being raised and lowered using a recessed handle on the top surface of the barrier or a manual hydraulic pump or other means when the hydraulics or electric motors are not operational. The operation is to require no more than 60 pounds of force to operate.

c. Provide check valves on systems if loss of hydraulic pressure can result in the barrier moving to the "access allowed" position.

2.2.8 Crash Rated Active Vehicle Barrier Foundations

Foundation systems are to be shallow with required depths no more than 42 inches.

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2.2.9 Lane Coverage

Provide and install a single fixed-width barrier to protect the full roadway width.

2.2.10 SAFETY EQUIPMENT

Provide a safety bar with each retractable or raising crash beam barrier to secure the barrier in the open position during maintenance operations.

Provide other equipment recommended for safety when working on the barrier.

2.3 CRASH RATED ACTIVE VEHICLE BARRIER(S)

2.3.1 CRASH BEAM

Provide a crash beam that consists of an above-grade assembly that, in the "DOWN" position, presents a visible obstacle to approaching vehicles.

Provide a barrier with a minimum height of 30 inches as measured from the roadway surface to the centerline of the crash beam. Provide a crash beam that is capable of blocking a minimum road width of 300 inches. Provide a crash beam end that contains a locking pin with padlock acceptance for securing the crash beam when it is in the "DOWN" position.

2.3.1.1 Powered Crash Beam

Provide an electro-mechanical system for the crash beam that is capable of being raised or lowered within 8 to 15 second time range. Provide the crash beam with a disconnect system that allows manual operation of the barrier in the event of an electrical or mechanical failure

2.3.1.2 Manual Crash Beam

Counterbalance the crash beam so it can be manually raised and lowered with the aid of a counterbalanced end requiring approximately 60 pounds of force.

2.4 POWER UNIT

2.4.1 ELECTRIC POWER UNIT ENCLOSURE

Provide a NEMA Type 3R enclosure as specified in NEMA 250 to enclose the electric power unit. Design the enclosure for easy removal of the power unit and other accessories without complete removal of the enclosure.

Provide an access door with hinges and an inside and outside operable/lockable (exterior) door latch. Place and configure equipment within the enclosure so that all periodic maintenance can be performed through the access door without removal of the equipment. Equip the enclosure with weatherproof louver vents appropriately sized and located to dissipate internal heat generation.

2.5 FINISH AND MARKINGS

Provide signs and markings that meet retroreflectivity requirements as contained in the MUTCD under Part 2 Signs sections on 'Retroreflectivity', 'Maintaining Minimum Retroreflectivity', and 'Shapes' plus ensure all state and local retroreflectivity requirements are satisfied. Paint surfaces in accordance with requirements of Section 09 90 00 PAINTS AND COATINGS.

Use red and white stripe marking on all crash rated active vehicle barriers and actuated traffic arms as required for a stop condition by AASHTO RSDG-4.

SECTION 34 71 13.19 Page 14

Provide vertical striping and lights (unless otherwise noted in this SECTION) as per MUTCD Part 8B Signs and Markings, Section on 'Crossbuck Assemblies with YIELD or STOP Signs at Passive Grade Crossings'.

Provide markings on both the front and back of the crash rated active vehicle barriers. Provide non-skid, durable markings that are part of the roadway (i.e. backside of plate barriers or the top of retractable bollards), and ensure retroreflectivity is maintained based on expected traffic flow (see paragraph PROJECT/SITE CONDITIONS of this SECTION) for a minimum of two years.

2.6 ACTIVE VEHICLE BARRIER CONTROL SYSTEM (AVBCS)

2.6.1 General Requirements

The AVBCS provides alarm, status, and control information to the Master Control Panel, Remote Control Panel(s), and the Local Control Panel(s). A full layout showing the location of the controllers is required. A controller that is installed in a facility requires a complete layout of all equipment to be placed in the room/area to ensure all clearances are maintained. This layout is part of the shop drawings submittal. The control system contains all relays, timers, and other devices and an industrial programmable controller programmed as necessary for the barrier operation. The control panel allows direct interface with auxiliary equipment such as card readers, remote switches, loop detectors, infrared sensors, and gate limit switches. Provide logic to coordinate the barricade and the traffic lights.

2.6.2 System Integration

Provide the AVBCS as an integrated system, including all sub systems specified hereafter. AVBCS hardware and software integration is required to function as one integrated system. The Contractor is responsible for all integration and appetencies required for the system to behave as one system. Supply of separate sub systems without integration is not acceptable. The extent and nature of integration must be extensively documented and demonstrated in the Technical Data and Software Package.

The system is configured with industrial programmable logic controllers.

2.6.3 AVBCS Processor

The AVBCS processor consists of a combination of controllers located within the ACP/ECF that work with the various hand machine interface operating panels that are either hard control panels (discrete switches, buttons and indicating lights) or touchscreen control panel(s) or a combination of both touchscreen and hard control items.

a. A programmable logic controller (PLC) meeting the requirements listed herein. Provide the PLC or PLCs with the latest software version.

This is the main overall controller for the AVBCS.

b. Human Machine Interface: Hard-control panel operator interface.

c. Vehicle Presence Detection: Controller that operate the vehicle presence detection system(s) are to work in unison with the overall system to provide the appropriate response.

d. Computer control. Controller(s) that are computers (not a PLC or traffic control unit) are not allowed at this time.

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2.6.4 PROGRAMMABLE LOGIC CONTROLLER (PLC)

2.6.4.1 PLC General Requirements

PLCs area digitally operating electronic apparatus that use a programmable memory for internal storage of instructions for implementing specific functions such as logic, sequencing, timing, counting, and arithmetic though digital or analog input/output modules. PLCs are capable of receiving discrete and analog inputs and, through programming, and are able to control discrete and analog output functions, perform data handling operations and communicate with external devices. Provide PLCs that meet the requirements of Class A computing devices, and are labeled as set forth in 47 CFR 15 and are able to withstand conducted susceptibility test as outlined in NEMA ICS 1, NEMA ICS 2, andIEEE C37.90.1. Provide PLCs that function properly at temperatures between 32 and 122 degrees F at 5 to 95 percent relative humidity non-condensing and tolerate storage temperatures between minus 40 and plus 140 degrees F at 5 to 95 percent relative humidity non-condensing. Provide an intelligent process controller that can perform both data acquisition and process control functions that has the ability to function independently; that is, perform its function without the need for commands from a separate computer.

2.6.4.2 Modular PLC

Provide PLCs that are based on a modular, field expandable design allowing the system to be tailored to the process control application. The system is expandable through the use of additional hardware and/or user software.

As a minimum, provide the PLC with a mounting backplane, power supply module, central processing unit (CPU) module, communications module, and input/output (I/O) module. Group modules together in a mounting rack or cabinet. Ensure the mounting rack backplane provides the communications mechanism to fully integrate the individual modules located within the rack. Provide modules that plug directly into the backplane. The use of wire connectors between modules is not be allowed. Provide a rack or cabinet sized as needed to hold the equipment necessary while performing the required control functions. The system configuration allows for the removal and/or installation of modules under power.

2.6.4.2.1 Central Processing Unit (CPU) Module

The CPU module is a self contained, microprocessor based unit that provides time of day, scanning, application (ladder rung logic) program execution, storage of application programs, storage of numerical values related to the application process and logic, I/O bus traffic control, peripheral and external device communications and self diagnostics.

a. Provide a processor with battery backed static RAM to hold application programs. Provide a battery that is serviceable without taking the processor module out of service. Provide a monitoring system that monitors the battery for a low voltage condition. Provide a low voltage status bit for use by the PLC program.

b. Provide the processor with illuminated indicators readable from the front of the processor module for diagnostics. Provide diagnostic status bits for use by the PLC program.

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2.6.4.2.2 Communications Module

Provide a communications module that allows peer-to-peer communication with other PLCs and allows the PLC to communicate with the workstation. Provide a communication module that utilizes the manufacturer's standard communication architecture and protocol, Ethernet architecture and protocol or a combination of these. The communication module is to allow programming of the PLC to be done locally through the use of a laptop computer.

2.6.4.2.3 Power Supply Module

Provide one or more power supply modules as necessary to power other modules installed in the same cabinet. Provide power supply modules that plug directly into the backplane. Auxiliary power supplies may be used to supply power to remote cabinets or modules.

a. Provide power supply modules that use AC or DC power with a nominal voltage of 220 VAC plus or minus 5 percent. The power supply module is to monitor the incoming line voltage level and provide over current and over voltage protection. If the voltage level is detected as being out of range the power supply module continues to provide power for an adequate amount of time to allow for a safe and orderly shutdown.

Power supply modules are capable of withstanding a power loss for a minimum of 20 milliseconds while still remaining in operation and providing adequate power to all connected modules.

b. Provide each power supply module with an on-off switch integral to the module. If the manufacturer's standard power supply module is not provided with an on-off switch, install a miniature toggle type switch near the PLC and clearly labeled the switch as to its function.

c. Provide power supply modules with an indicating light that is lit when the module is operating properly.

2.6.4.2.4 Input/Output (I/O) Modules

I/O Modules are self contained, microprocessor based units that provide an interface to field devices. Locate the I/O modules in the same mounting rack as the other PLC components. The unit is to plug directly into the backplane of the mounting rack. Each module is to contain visual indication to display the on-off status of individual inputs or outputs.

All modules are to be mechanically keyed between the I/O module and the terminal strip to ensure the wiring and modules are correctly matched.

Extensive diagnostic indicators are to be available on each module including information on the state of the I/O, along with specific module by module special features such as field wiring faults, blown fuses, and over/under voltage range information.

2.6.4.3 Program Storage/Memory Requirements

The CPU utilizes the manufacturer's standard non-volatile memory for the operating system. Provide the controller with electronically erasable, programmable, read only memory (EPROM) for storage of user programs and battery backed RAM for application memory. The EPROM is loaded through the controller keypad or through the use of a laptop computer. The CPU memory capacity is based on the system's control requirements. The memory capacity is sized such that, when the system is completely programmed and functional, no more than 50 percent of the memory allocated for these

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2.6.4.4 Input/Output Characteristics

Each controller allows for analog input, analog output, discrete input and discrete output. The number and type of inputs and outputs for the system is as shown on the drawings or described herein and is to comply with the sequence of control. Include in the system capacity a minimum of 20 percent spare input and output points (no less than two points) for each point type provided. During normal operation, a malfunction in any input/output channel is to affect the operation of that channel only and must not affect the operation of the CPU or any other channel. Analog input circuits are available in +/-10V, +/-5V, 0-10V, 0-5V, or 4-20 mA.

Discrete input circuits are available in 5 volt TTL, 10-30 VDC, 18-26 VDC, or 79-132 VAC. Provide all input circuits with a minimum optical isolation of 1500 VRMS and be filtered to guard against high voltage transients from the externally connected devices. Analog output circuits are to be available in +/-10V or 4-20 mA. Discrete output circuits are to be available in 5 volt TTL, 10-30 VDC, 18-26 VDC, or 79-132 VAC. Provide all output circuits with a minimum optical isolation of 1500 VRMS and filter to guard against high voltage transients from the externally connected devices. Provide a PLC that is able to communicate with a computer or other PLC's via fiber optic cable or copper cable. Provide a PLC processor that is able to process data from Remote Input/Output modules via fiber optic cable or copper cable. Ensure remote Input/Output modules do not require individual programming to function.

2.6.4.5 Wiring Connections

Provide wiring connections that are heavy duty, self lifting, pressure type screw terminals to provide easy wire insertion and secure connections.

Provide terminals that accept two #14 AWG wires. Provide a hinged protective cover over the wiring connections. Provide write-on areas for identification of the external circuits on the cover.

2.6.4.6 On-Off Switch

Provide each controller with an integral on-off power switch. If the controller is not provided with a manufacturer's standard on-off switch, then install a miniature toggle type switch in the control panel near the controller and clearly labeled the switch as to its function.

2.6.4.7 Diagnostics

Provide each PLC with diagnostic routines implemented in firmware. The CPU is to continuously perform self-diagnostic routines that will provide information on the configuration and status of the CPU, memory, communications and input/output. The diagnostic routines are to be regularly performed during normal system operation. Provide a portion of the scan time of the controller dedicated to performing these housekeeping functions. In addition, provide a more extensive diagnostic routine that is performed at power up and during normal system shutdown. The CPU is to log input/output and system faults in fault tables which are accessible for display. When a fault affects input/output or communications modules the CPU is to shut down only the hardware affected and continue operation by utilizing the healthy system components. Annunciate all faults at master control panel and at the PLC.

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2.6.4.8 Accuracy

Provide controllers with an accuracy of plus or minus 0.25 percent of input span.

2.6.5 PLC SOFTWARE

Furnish all PLC software described in this specification as part of the complete control system.

2.6.5.1 Operating System

Provide each PLC with the manufacturer's standard operating system software package. Maintain a point database in its memory that includes all parameters, constraints and the latest value or status of all points connected to the PLC. Use the data in memory resident files for the execution of the PLC application programs. The operating system must support a full compliment of process control functions. It is possible to define these functions using a mix of function blocks, ladder logic diagrams, sequential function charts and text programming. Base programming methods and interactions on IEC 61131-3. A combination of the programming methods is to be possible within a single controller. The operating system allows loading of software locally. The operating system supports data entry and diagnostics using an operator interface panel attached directly to the PLC. Each PLC is be capable of operating in stand alone mode.

2.6.5.1.1 Startup

Provide the PLC with startup software that causes automatic commencement of operation without human intervention, including startup of all connected I/O functions. A PLC restart program based on detection of power failure at the PLC is to be included in the PLC software. The restart program includes start time delays between successive commands to prevent demand surges or overload trips.

2.6.5.1.2 Failure Mode

Upon failure for any reason, each PLC is to perform an orderly shutdown and force all PLC outputs to a predetermined (failure mode) state, consistent with the failure modes shown and the associated control device.

2.6.5.2 Functions

Provide a controller operating system that is able to scan inputs, control outputs, and read and write to its internal memory in order to perform the required control as indicated in the sequence of control on the drawings.

The controller periodically perform self diagnostics to verify that it is functioning properly.

2.6.5.2.1 Analog Monitoring

The system measures and transmits all analog values including calculated analog points.

2.6.5.2.2 Logic (Virtual)

Logic (virtual) points are software points entered in the point database which are not directly associated with a physical I/O function. Logic

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(virtual) points can be analog or digital points created by calculation from any combination of digital and analog points, or other data having all the properties of real points, including alarms, without the associated hardware. Logic (virtual) points are defined or calculated and entered into the database. The calculated analog point has point identification in the same format as any other analog point.

2.6.5.2.3 State Variables

If an analog point represents more than two (up to 8) specific states, each state is to be nameable.

2.6.5.2.4 Analog Totalization

Any analog point is to be operator assignable to the totalization program.

Up to eight analog values are to be totalized within a selectable time period.

2.6.5.3 Alarm Processing

Provide each PLC with alarm processing software for analog input, digital input, and pulse accumulator alarms for all real and virtual points connected to that PLC.

2.6.6 AVB Control System Processing and Control Software

2.6.6.1 General

Specific functions to be implemented are defined in individual system control sequences and database tables shown on the drawings and herein.

Provide software that provides the communication, programming and control capabilities necessary to support all specified points and functions, complete with their point database. Provide a controller that is online at all times and performs all required functions as specified. Provide software that consists of custom-developed code and/or one or more standard software modules. Where multiple modules are used, the modules need to be capable of sharing data and operating together seamlessly. Provide a system that supports multiple user operations with multiple tasks for each user and supports operation and management of all peripheral devices.

Provide a system that allows on-line configuration modifications, while the system is operating. Provide a system that allows the possibility of upgrading the software to newer versions using an automatic mechanism provided by the software manufacturer. Provide software with complete user documentation online, including examples of how to operate the various modules within the software. Supply all documentation implemented software, including the custom-developed software codes to the Contracting Officer after formal system acceptance. The Contracting Officer has the right of use for the provided software for future enhancements and additions to the installed system. Ensure the AVB control system does not contain proprietary code or passwords that limit work to be done exclusively by a manufacturer of the product. Provide open source code.

2.6.6.2 Resident Application Software

Provide resident applications programs developed in accordance with paragraph Graphical Object Oriented Programming to achieve the sequences of operation, parameters, constraints, and interlocks necessary to provide control of the systems connected to the control system. All application programs are resident in the PLC and are to execute in the PLC, and

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2.6.6.3 Display Information

Provide information necessary to support all requirements specified at the AVBCS display, including: guard control commands; alarm notification;

status point changes; and report generation

2.6.6.4 Graphical Object Oriented Programming

Provide a system that includes a graphical object oriented programming function which is used to create all control sequences utilized in the control panels. The graphical object oriented programming function provides programming elements to be connected together to create a logic diagram. The diagram must be compliable to produce executable code for the control panel. Provide a graphical object oriented programming function that includes elements necessary to create logic diagrams that represent sequences of operation.