20260812_03010154_CTDOT_NHL_Signal_Equipment_Tech_Specs_PartII.pdf

TECHNICAL SPECIFICATIONS

FOR

FURNISHING PRE-WIRED SIGNAL HOUSES AND CASES

FOR

NEW HAVEN LINE

NORWALK, CT TO BRIDGPORT, CT

CP 244 to CP 257

CONTRACT DOCUMENTS - PART II

Connecticut DOT Solicitation No. 26-CTRAIL-SIGNALS-1

July 24, 2026

GFT PRJ: A057664

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TABLE OF CONTENTS

1.0 INTRODUCTION

1.1 GENERAL

1.2 PROJECT BACKGROUND

2.0 CONTRACTOR REQUIREMENTS

2.1 GENERAL

2.2 PROPOSAL REQUIREMENTS

2.3 SERVICES TO BE PROVIDED

2.4 MANAGEMENT AND ADMINISTRATION

2.5 PROJECT TEAM

2.6 PROJECT MANAGER

2.7 SIGNAL ENGINEER

2.8 APPLICATION ENGINEER

2.9 NETWORK ENGINEER

3.0 SYSTEM REQUIREMENTS

3.1 GENERAL

3.2 SIGNAL SYSTEM PERFORMANCE REQUIREMENTS

3.3 SIGNAL SYSTEM TO BE FURNISHED

3.4 SIGNAL COMMUNICATIONS NETWORKS TO BE FURNISHED

3.5 CONTRACT DRAWINGS

3.6 SPECIAL CONDITIONS

3.7 SIGNAL SYSTEM STAGING

4.0 CONSTRUCTION OF ENCLOSURES

4.1 GENERAL

4.2 CILS, SECONDARY CILS, MASTER LOCATIONS, AND OTHER HOUSES

4.3 CASES 81

4.4 CABINETS

4.5 GROUNDING, SURGE AND LIGHTNING PROTECTION

4.6 RELAY AND EQUIPMENT RACKS

5.0 WIRING AND TERMINALS

5.1 WIRING 89

5.2 TERMINALS FOR WIRES AND CABLES

6.0 IDENTIFICATION OF EQUIPMENT AND WIRE TAGGING

6.1 GENERAL

6.2 IDENTIFICATION REQUIREMENTS

7.0 MISCELLANEOUS COMPONENTS AND PRODUCTS

7.1 CIRCUIT BREAKERS, FUSES AND FUSE CLIPS

7.2 PRINTED CIRCUIT CARDS AND CONNECTORS

7.3 RESISTORS AND REACTORS

7.4 EQUALIZERS AND ARRESTERS

7.5 HARDWARE

7.6 PADLOCKS

7.7 ENVIRONMENTAL PROTECTION

7.8 DIODES 102

7.9 CAPACITORS

7.10 PLUG CONNECTORS

7.11 WAYSIDE INTERFACE UNIT, REMOTE TELEMETRY UNIT, AND BASE CONTROL

MODULE

8.0 RELAYS AND CODE TRANSMITTERS

8.1 GENERAL

8.2 VITAL RELAYS

8.3 CODE TRANSMITTERS (IF USED)

8.4 NON-VITAL RELAYS

9.0 VITAL MICROPROCESSORS

9.1 GENERAL

9.2 VITAL HARDWARE AND SOFTWARE

9.3 NON-VITAL HARDWARE AND SOFTWARE

9.4 FUNCTIONAL DESIGN AND IMPLEMENTATION REQUIREMENTS

9.5 START-UP

9.6 VITAL SOFTWARE

9.7 VITAL HARDWARE

10.0 NON-VITAL MICROPROCESSOR BASED SYSTEM

10.1 GENERAL

10.2 FUNCTIONAL DESIGN AND IMPLEMENTATION REQUIREMENTS

10.3 NON-VITAL MICROPROCESSOR SOFTWARE

10.4 NON-VITAL MICROPROCESSOR HARDWARE

10.5 CHASSIS / CABINETS

10.6 CIRCUIT BOARDS

10.7 NON-VITAL SYSTEM LOGIC

10.8 EVENT RECORDER

11.0 SYSTEM DIAGNOSTICS

11.1 REMOTE DIAGNOSTIC SYSTEM

11.2 REMOTE DIAGNOSTICS SERVER

12.0 LOCAL CONTROL / INDICATION PANELS

12.1 GENERAL

12.2 LOCAL CONTROL PANELS

12.3 BRIDGE INDICATION PANELS

12.4 LOCAL INDICATION PANELS

12.5 PROXIMITY DETECTOR PANELS

12.6 PUSHBUTTONS

12.7 INDICATORS

13.0 SWITCH AND LOCK MOVEMENTS

13.1 GENERAL

14.0 SIGNALS

14.1 GENERAL

15.0 TRACK CIRCUITS

15.1 GENERAL

15.2 STEADY ENERGY AC TRACK CIRCUITS

15.3 SHUNT TYPE AUDIO FREQUENCY OVERLAY TRACK CIRCUITS

15.4 SERIES TYPE AFO TRACK CIRCUITS

15.5 MISCELLANEOUS TRACK CIRCUIT HARDWARE

16.0 POWER SUPPLIES

16.1 AC POWER SERVICE

16.2 BATTERY CHARGERS AND POWER SUPPLIES

16.3 STORAGE BATTERIES

17.0 NETWORKING AND FIBER OPTIC EQUIPMENT

17.1 GENERAL

17.2 ETHERNET SWITCHES

17.3 DC–TO–DC CONVERTERS

17.4 FIBER DISTRIBUTION EQUIPMENT

17.5 MISCELLANEOUS NETWORKING AND COMMUNICATIONS EQUIPMENT

17.6 NETWORK CABLE TAGGING

18.0 FIRE SUPPRESION AND HVAC SYSTEMS

18.1 FIRE SUPPRESSION SYSTEM REQUIREMENTS

18.2 HVAC SYSTEM REQUIREMENTS

19.0 SHIPPING AND HANDLING

19.1 GENERAL

20.0 TRAINING

20.1 GENERAL

20.2 TRAINING PLAN DEVELOPMENT

20.3 TRAINING PROGRAM COURSE DEVELOPMENT

20.4 TRAINING PROGRAM MATERIAL DEVELOPMENT

20.5 TRAINING PROGRAM PRESENTATION

21.0 TESTING AND TEST EQUIPMENT

21.1 GENERAL

21.2 FACTORY TESTING AND INSPECTION

21.3 FIELD TESTING

21.4 FINAL SYSTEM ACCEPTANCE TEST

21.5 FACTORY ACCESS

21.6 PREVENTIVE AND CORRECTIVE MAINTENANCE

21.7 FACTORY TEST EQUIPMENT AND CALIBRATION

21.8 TEST PROCEDURES

21.9 TEST DOCUMENTATION

21.10 UNSTRUCTURED TESTS

21.11 NETWORK EQUIPMENT TEST SETS

21.12 RUGGEDIZED LAPTOPS

22.0 DOCUMENTATION

22.1 DOCUMENTATION REQUIREMENTS

22.2 DOCUMENTATION SET

22.3 VITAL MICROPROCESSOR DESIGN DOCUMENTATION

22.4 SOFTWARE VERSION CONTROL

22.5 SIGNAL CIRCUIT DESIGN AND PROGRAM LOGIC SUBMITTALS

23.0 QUALITY ASSURANCE

23.1 QUALITY ASSURANCE PROGRAM

24.0 RELIABILITY, MAINTAINABILITY & AVAILABILITY

24.1 SCOPE 251

24.2 CONTRACTOR ORGANIZATIONAL RMA CAPABILITIES

24.3 RELIABILITY

24.4 MAINTAINABILITY

25.0 SAFETY ASSURANCE PROGRAM REQUIREMENTS

25.1 SCOPE 257

25.2 SASP PROGRAM REQUIREMENTS

25.3 SASP PROGRAM TASKS AND PROCEDURES

25.4 SASP PROGRAM OBJECTIVES

25.5 SUBMITTALS

26.0 CONTRACT DATA REQUIREMENTS LIST (CDRL)

APPENDICES

Technical Specification for Furnishing Pre-Wired Signal Houses and Cases for the New Haven Line - Norwalk, CT to Bridgeport, CT

CP-244 to CP-257 Solicitation No. 26-CTRAIL-SIGNALS-1

1.0 INTRODUCTION

1.1 General

1.1.1 The New Haven Line from Greenwich, CT to New Haven, CT is owned by the State of Connecticut.

1.1.2 Metro-North Commuter Railroad Company (“Metro-North”) operates passenger service, maintains infrastructure, and participates in the implementation of improvements under an operating agreement with the State of Connecticut.

1.2 Project Background

1.2.1 This Technical Specification describes the goods, materials, and services to be provided (“Work”), and technical requirements to be followed, in the provision of new pre-wired signal equipment for a portion of the New Haven Line from Norwalk, CT to Bridgeport, CT, an overall distance of approximately 13.8 miles. This is primarily a four track mainline territory which is entirely electrified with 25KV AC overhead catenary power on the mainline.

1.2.2 Portions of the existing wayside signal infrastructure in this territory have reached the end of their useful life. In addition to improvements to the wayside systems, a new signal block design utilizing new cab signal codes has been developed to provide the necessary track capacity for the intended future operating plan and train schedule.

Signal Design Speeds (SDS) up to 96 MPH passenger and 46 MPH freight will be included.

1.2.3 The Work under this contract shall include, but not be limited to: the design and furnishing of a new wayside signal system to replace the existing vital relay based signal system, a non-vital system and communication links, and will provide the necessary upgraded block design; and the design of interfaces to the existing signaling system where necessary for staging and to support the sequence of replacing the existing vital relay based signal system.

1.2.4 This Work includes, but is not limited to, the following items, each as more particularly herein and in the Contract Drawings.

a. New CP-244 Interlocking equipment, systems, and enclosures for the Saga movable bridge. An interface to existing territory to the East at CP-243 will be retired. This interface was placed in service with CP-243.

b. New intermediate equipment, systems, and enclosures between CP-244 and CP-248.

c. Upgrade interlocking equipment, systems, and enclosures for CP- 248 as required for SVN/NVN, PTC, and CTC&D WAN/DLAN interface.

d. New intermediate equipment, systems, and enclosures between CP-248 and CP-255.

e. New CP-255 interlocking equipment, systems, and enclosures.

f. New CP-256 interlocking equipment, systems and enclosures for the Peck movable bridge.

g. New CP-257 interlocking equipment, systems, and enclosures. An interface to existing territory to the East shall be provided and an interface for the proposed future territory to the East shall also be provided.

1.2.5 The Contractor shall supply the new signal system as pre-wired instrument houses and cases that will be installed by a separate Installation Project Team contracted by CTDOT. The signal system will be field tested and placed in service by Metro-North forces. The Contractor shall prove information required for the Installation Project Team’s work including enclosure sizes and weights, lifting and placement procedures, mounting, and connection details. Please refer to Sections 2.3 and 4.1 for additional information.

1.2.6 The Contractor shall supply interlocking equipment, systems and enclosures for an upgraded interlocking (CP-248). Metro-North forces will install and place in service.

2.0 CONTRACTOR REQUIREMENTS

2.1 General

2.1.1 The intent of these Technical Specification and Contract Drawings is to include all items necessary for the proper execution and completion of the Work. These Contract Documents shall be construed to include all Work necessary to produce the intended results. Where the Contract Documents denote actions and approvals to be made by the Engineer, the term Engineer means a representative designated by CTDOT authorized to act on behalf of CTDOT and Metro-North. If any portion of the Technical Specification and Contract Drawings is in conflict with any other portion, the Engineer shall determine the governing Document.

2.1.2 Reference to “days” in these Technical Specifications shall mean calendar days unless otherwise defined. Reference to “days” designated for CTDOT review shall mean working days.

2.1.3 The details for providing this system shall be determined and guaranteed by the Contractor, subject to the requirements of the Contract and the written approval of the Engineer.

2.1.4 The Contractor shall have an experienced engineering staff, manufacturing facilities and quality control procedures for designing, furnishing vital microprocessor signal systems equivalent in scope, complexity, and magnitude, and have provided all services as required within these Technical Specifications and Contract Drawings. The Contractor shall serve as the Engineer of Record for the signal system design. The 100%, As-Shipped, and As-In-Service drawings for each location shall be signed and sealed by a Connecticut Professional Engineer.

2.1.5 The Contractor’s engineering procedures and manufacturing facilities shall be officially certified in the ASQ/ANSI/ISO 9001:2015 Quality Standard and the Contractor shall hold current certification.

2.1.6 The determination that the Contractor meets the requirements of these Technical Specifications for the satisfactory completion of this Contract is at the sole discretion of the Engineer.

2.1.7 The Work consists of project management, engineering, designing, furnishing, and providing field support, factory testing, training, attending design meetings, and other services as required by this Request for Proposal.

2.1.8 The new interlockings, master locations and other signal equipment locations will be installed by a separate Installation Project Team retained by CTDOT and placed into service by representatives of Metro-North.-

2.1.9 System acceptance shall be in accordance with this Technical Specification and Contract Drawings and subject to the approval of the Engineer, as described herein.

2.2 Proposal Requirements

2.2.1 Each Prospective Contractor shall supply within its Proposal all documents and information as required in the RFP Instructions and by these Technical Specifications.

2.2.2 Certain elements of the Work are confidential and/or security sensitive, such that restrictions on distribution of documents and technical data will be required on certain components of the design and information supplied by CTDOT for use by the Prospective Contractors. With regard to Sensitive Security Information as defined by 49 CFR Part 1520, the Contractor shall maintain control and confidentiality in a manner consistent with applicable federal law and regulations. Each Prospective Contractor shall submit with the Proposal a plan for implementation of a protocol for handling the security sensitive information.

2.2.3 Prospective Contractors are required to be officially certified in the ASQ/ANSI/ISO 9001:2015 Quality Standard and shall hold a current certification. The Prospective Contractor shall submit as part of the proposal current certification of adherence with the ISO 9001-2015 quality standard as well as the current Quality Plan that will be utilized for this Contract. The selected Contractor must maintain this certification throughout the term of this Contract.

2.2.4 The Proposal shall contain complete hardware and software technical information and descriptions of the proposed system for interlockings, master locations, electric locks and communication systems, including all subsystems. This shall include, but not be limited to, block diagrams with each unit identified and described, and calculations to support the ability to meet the requirements specified herein. Any products, lists of material, lists of services or designs submitted with the proposal shall not be construed as replacing the Technical Specification requirements for submittals and approval of products, designs and subsequent design calculations or services necessary to meet the Contract requirements.

2.2.5 Each Prospective Contractor shall submit with his Proposal a detailed description of the vital and non-vital interfaces being proposed for staging between the new vital processor signal system and the existing adjacent territory interlockings at CP-244, CP-248, CP-255, CP-256, and CP-257.

2.2.6 Each Prospective Contractor shall provide a detailed description on how the staged cutover of the wayside system will be supported. This shall include discussions on how the new vital and non-vital systems will be developed to permit pieces of the system to be placed into service while the existing systems remain in service.

2.2.7 Each Prospective Contractor shall submit with his Proposal a complete signal communications network design definition, including both text and block diagrams, covering all aspects of the proposed networking designs including, but not limited to, topology, protocols used, failure modes and prevention, performance and integration with the overall signal design.

2.2.8 Each Prospective Contractor shall submit with his Proposal a description of similar work previously completed by them. The description shall include the Prime Contractor, owning/operating agency, period of performance and any other germane information required to fully describe the scope of work. The proposal shall also contain a list of points of contact where similar systems are currently in operation. CTDOT may require a visit to the sites of these similar systems, to help determine the suitability of the system for use by CTDOT and Metro-North before award of the Contract.

2.2.9 Prospective Contractors shall only submit as reference those systems that adhere to the Rules, Standards and Instructions, Governing the Installation, Inspection, Maintenance and Repair of Signal and Train Control Devices and Appliances as prescribed in the Code of Federal Regulations Title 49, Part 236 (49 CFR 236). Prospective Contractors shall only submit as reference those systems that adhere to the AREMA Communications and Signal Manual of recommended practice.

2.2.10 Each Prospective Contractor shall furnish, with the Proposal a recommended reliability back up equipment list to support the apparatus furnished for this contract. The list shall include, but not limited to, all reliability back up equipment listed in these Technical Specifications. The list shall indicate reference number, brief description of parts, recommended quantity, unit price and total price.

2.2.11 Prospective Contractors shall respond to each section and subsection of this specification with a written compliance statement as part of the Proposal.

2.2.12 Each Prospective Contractor shall submit, with the Proposal, a detailed staffing plan for all aspects of the Contract. This shall include an organization chart showing all staff, engineers, checkers, designers and quality assurance staff. A narrative shall be supplied that indicates the functions of each member of the Prospective Contractor’s Team along with detailed resumes of related work experience.

2.2.13 Each Prospective Contractor shall clearly show the intended use of any subcontractors or contract employees who are not full time employees of the Prospective Contractor.

2.2.14 Prospective Contractors shall demonstrate in the proposal, to the satisfaction of the Engineer, that the full range of services required can be furnished as specified, and that the Prospective Contractor has successfully and satisfactorily completed these comparable contracts on time and within budget using vital microprocessor interlockings, equivalent in scope, complexity, and magnitude, for other North American railroads.

2.3 Services to Be Provided

2.3.1 The Contractor shall supply all required services consisting of engineering, designing new locations, designing interfaces to existing tie-in locations, furnishing of material and pre-wired systems, shipping, providing field cut-in support, providing documentation and CAD requirements, factory testing, training, attending design and Contract meetings, providing review and approval and other services as required by the Request for Proposal and these Technical Specifications and Contract Drawings.

2.3.2 A Contract Data Requirements List (CDRL) is provided in Section 26.0.

The Contractor shall provide all submittals and documentation called for in these Technical Specifications.

2.3.3 The Contractor shall provide vital, non-vital microprocessor system and related systems as defined by these Technical Specifications and Contract Plans. The use of vital and non-vital relays shall be limited.

2.3.4 The Contractor shall provide the necessary equipment, software, interfaces and systems to support the final block layout. This will include, but not be limited to, providing Master Location (ML) instrument houses and Track Circuit Transformer Coupling (TCML) instrument cases in the intermediate territory, Central Instrument Locations and auxiliary interlocking instrument houses or case(s), as required.

2.3.5 The Contractor shall provide pre-wired microprocessor and relay equipment racks and all other hardware and software required for the interfaces between the new signal systems and the existing vital processor at CP-243, CP-248, and CP-257. This shall include, but not be limited to, additional I/O capacity in the current existing equipment sufficient to provide the necessary interface.

2.3.6 All new vital wayside signal equipment shall be based on a 3-zoned non redundant microprocessor design. This shall include the interlockings, intermediate territory and interfaces to existing interlockings.

2.3.7 The vital zones of the interlocking, intermediate and interface locations shall be interconnected over redundant, vital fiber-optic cable links utilizing TCP/IP communications protocol over ethernet. These vital data links shall provide for traffic direction logic, cab signal aspect selection, and all other vital signal functions between the interlockings and throughout the intermediate block sections. The fiber optic cables outside the enclosures will be provided by others.

2.3.8 All existing copper signal cable for traffic circuits, cab signal aspect selection and all other applications shall be eventually retired as part of this project. The Contractor shall not establish any new vital data circuits over copper cable, outside of the pre-wired or existing enclosures, as part of this Contract. The retirement of the copper cables will be by others.

2.3.9 The existing Phase Selective track circuits shall be replaced by steady energy track circuits grouped at the Master Locations and Interlockings in accordance with these Technical Specifications and Contract Drawings, and incorporating transformer coupled remote track feeds.

The track circuit transformer coupling case locations shall be connected to the Master Locations and/or Interlockings using new six pair twisted and shielded copper signal cables, to be provided by others.

2.3.10 The Contractor shall provide CTC and PTC interfaces for the new interlocking signal systems at CP-244, CP-255, CP-256, and CP-257.

The Contractor shall provide dedicated redundant non-vital fiber optic cable links utilizing TCP/IP communications protocol over ethernet as required by these Technical Specifications and Contract Plans. The fiber optic cables will be provided by others.

2.3.11 The Contractor shall arrange for conversion of the existing 4-wire Normal and Alternate circuits at CP-248 to provide CTC interfaces for the interlocking signal systems. The Contractor shall provide dedicated redundant non-vital fiber optic cable links utilizing TCP/IP communications protocol over ethernet as required by these Technical Specifications and Contract Plans. The fiber optic cables will be provided by others.

2.3.12 The Contractor’s designs shall establish separate networks to provide vital and non-vital data transmission for the new signal system. They shall be designated the North Vital Network (NVN), South Vital Network (SVN), North Diagnostic Local Area Network, South Diagnostic Local Area Network, North PTC Network, South PTC Network, North CTC Network, and South CTC Network. These networks are depicted in the Contract Drawings, “Signal Network Overview Block Diagram,” shall be carried over redundant path-diverse fiber optic cables to be provided by others.

2.3.13 A Remote Diagnostic System shall be provided under this contract at all new interlocking houses, grouped track circuit master location houses and the adjacent territory interface houses, as defined in these Technical Specifications and Contract Drawings.

2.3.14 The Remote Diagnostic System shall monitor and provide alarms for conditions such as, but not be limited to, vital and non-vital processor errors, the health status of fiber optic links, ethernet switch failures, and other discrete equipment failure alarms, on a per device basis.

2.3.15 The Remote Diagnostic System shall provide for local and remote access to the vital and non-vital field microprocessor signal equipment, based on the diagnostics and maintenance functions provided by the equipment manufacturer, which shall include, but not be limited to, “troubleshooting” to the PC Board level.

2.3.16 The Remote Diagnostic System shall also provide for both manual and automatic retrieval of data from the event recorders in the field locations, as provided in these Technical Specifications and Contract Drawings.

2.3.17 A redundant (north and south) 100 Hz signal power system is presently provided through the entire territory. The Contractor shall provide the necessary equipment to interface to this system as specified within these Technical Specifications and Contract Drawings.

2.3.18 All local and express cables required for the new signal system (copper and fiber optic) will be provided by others. The Contractor shall provide all termination systems for the copper and fiber optic cables as defined elsewhere within these Technical Specifications and Contract Drawings.

2.3.19 The Contractor shall provide staging designs, required software versions and necessary extra hardware to provide for both cutover staging of the new wayside system and for cab signal upgrade implementation staging.

2.3.20 The Contractor shall support the necessary staged cutover of the new wayside system by supplying various software versions and any hardware required to implement the system in small sequential sections. The wayside equipment provided under this contract shall require several cutover segments.

2.3.21 The Contractor shall attend monthly Project Progress meetings.

2.3.22 The Contractor shall attend monthly Design and Technical meetings.

All necessary Contractor engineering staff as deemed by CTDOT shall be in attendance.

2.3.23 When possible, the Project, Technical and Coordination meetings will be held on the same day or days to make efficient use of Contractor and CTDOT resources.

2.3.24 The Contractor shall provide all CAD work as specified within these Technical Specifications. The Contractor shall perform all CAD work utilizing the Metro-North CAD standards. Refer to Appendix B for additional information.

2.3.25 The Contractor shall provide separate unique sets of plans for each wayside location. The plan format and content shall be submitted for review and approval. The use of typical plans, drawings or documentation is not permitted in the final documentation. All documentation shall be site and product application specific.

2.3.26 The Contractor shall provide engineering calculations as required by these Technical Specifications to support requirements for the systems designed. The Contractor shall provide the engineering calculations listed below to include, but not be limited to, the following.

a. AC and DC signal power load calculations for all new signal locations.

b. Calculations for the sizing of the HVAC systems.

c. Floor loading calculations.

d. Calculations to confirm spare rack capacity, spare floor space, and spare wall space requirements are met.

e. Enclosure lifting calculations and plans.

f. System, subsystem and component performance metrics.

g. Vital and non-vital networks system, subsystem and component performance metrics.

2.3.27 The Contractor shall also provide size and weight calculations for all new instrument houses, cases and racks for use by CTDOT and Metro-North during the installation. This information shall be provided for all locations no later than 180 days after NTP.

2.3.28 The Contractor shall provide an Enclosure Placement Plan that details the lifting procedures for placement of Houses, Cases, and any other enclosures. The Contractor shall take into consideration the limited vertical height along the railroad right-of-way when providing the plan.

The plans shall include crane capacities, lifting configurations and other site specific details as necessary to position the enclosures. All Calculations submitted for review shall bear the seal of a Professional Engineer registered in the State of Connecticut.

2.3.29 The Contractor shall supply Project Management Administration as specified in this Technical Specification. A single Project Manager and Project Engineer shall be assigned to this Contract for the entire duration of the Contract.

2.3.30 The Contractor shall provide a dedicated engineering and design team, as required by these Technical Specifications, for the duration of the Contract.

2.3.31 The Contractor shall supply Quality Assurance plans and services as necessary to meet the requirements of this Technical Specification.

2.3.32 The technical, application and engineering details of providing this system shall be determined and guaranteed by the Contractor, subject to the requirements of this Technical Specification and the written approval of the Engineer. The Contractor is responsible for the correctness of all the engineering.

2.3.33 System acceptance will be at the sole determination of the Engineer, as described herein.

2.3.34 The Contractor shall maintain strict confidentiality regarding the system designs within this contract consistent with the contract Terms and Conditions.

2.3.35 The Contractor, each member of the Contractor’s staff and any subcontractor staff shall be required to comply with CTDOT’s requirements for Protection of Confidential Information consistent with Article 17 of the Contract Terms and Conditions

2.3.36 All designs and documentation developed as a result of the work in this scope shall be the property of CTDOT and Metro-North Railroad consistent with the contract Terms and Conditions.

2.3.37 The Contractor shall supply and maintain, within 60 days of Notice of Award, a complete submittal list for the total duration of the Contract.

The list shall detail each deliverable and the Contractor’s submission schedule. Please refer to Section 2.3.42 and Section 26.0.

2.3.38 The Contractor shall submit, within 90 days of Notice of Award, specifications, descriptions, plans, and diagrams of all systems and subsystems to the Engineer for approval. Each Submittal shall be numbered sequentially.

2.3.39 The Contractor shall prepare and submit a CPM Schedule for the Contract within 60 days of Notice of Award. The schedule shall include activities for all submittals, engineering, and fabrication tasks. The schedule shall include activities for CTDOT Design Reviews using durations specified in this section. The Contractor’s schedule shall be updated and submitted to CTDOT monthly. Microsoft Project is the preferred schedule software for this Contract.

2.3.40 The Contractor shall furnish an integrated signal system, including vital and non-vital networks over redundant fiber optic cables (provided by others). These networks shall utilize the TCP/IP communications protocol (IETF RFC1122) over ethernet (IEEE 802.3), as defined elsewhere in these Technical Specifications and Contract Drawings which shall interface with ethernet type services provided by Metro-North over their existing communications infrastructure. The purpose of this interface shall be to provide centralized traffic control and diagnostic communications between the field signal locations of this Contract and the existing Metro-North primary and backup control center office systems.

2.3.41 Within 24 hours of notification, the Contractor shall be prepared to answer questions and solve problems concerning the design, testing, installation and drawings. The Contractor shall answer questions and resolve problems during the installation and system testing. The Contractor shall perform these services by telephone, at meetings held in one of CTDOT’s offices, or on the job site, as determined by the Engineer. The Contractor shall furnish the time, effort and personnel necessary to answer the questions. The Contractor shall assume all costs for this service.

2.3.42 The Contractor shall provide submittals of all deliverables for approval by CTDOT, as required in these Technical Specifications. This shall include, but not be limited to, hardware, software, power calculations, signal and communication system performance calculations, testing, training, design philosophy, documents, manuals and version control.

The submittals shall be identified in a complete listing, submitted to the Engineer for approval. Each submittal shall be sequentially numbered for reference in all correspondence. The Submittal Listing shall be supplied in both hardcopy and Microsoft Excel file format USB drive, as approved by CTDOT. The Submittal Listing shall be supplied within 60 days of Contract Award. The submittals shall be staged and distributed as required by these Technical Specifications.

2.3.43 The Contractor shall provide and maintain a complete detailed listing by location of all hardware and software elements for the total duration of the Contract. The listing shall contain, but not be limited to, the site or location name, description, part number quantity, location on rack or wall location. The format for the listing shall be submitted for approval within 60 days of Contract Award. The Listing shall be supplied in both hardcopy and Microsoft Excel file format USB drive as approved by

CTDOT.

2.3.44 The Contractor shall submit for review and approval a Failure Mode Effects Analysis (FMEA) for all lightning arresters and surge protection equipment required for vital circuit protection. The FMEA shall identify all potential system weaknesses and evaluate each potential failure to determine its effect on system and subsystem operation. One (1) such weakness is the effect of a shorted arrester on lighting circuits. The FMEA shall be submitted within 45 days of Contract Award.

2.3.45 Major milestones for completion of design and delivery of material are located in attached Appendix “D”.

2.3.46 The Contractor shall submit all systems for review at the 60%, 90%, 100%, As-Shipped and As-In-Service circuit designs for each of the locations included within these Technical Specification and Contract Drawings. Each submission shall be made in PDF format and shall be transmitted electronically. CTDOT reserves the right to also require transmittal of up to 10 sets of hard copies of design submissions.

CTDOT will provide the Contractor with a distribution list for submittals.

2.3.47 Any design revisions in the hardware or software systems necessary at the Factory Testing shall be updated and provided to CTDOT within

14 days of completion of the factory test. Approved Factory Test plans shall be part of any payment milestone.

2.3.48 Procurement or fabrication of the system shall be at the Contractor's risk until approval has been received from the Engineer for all relevant submittal documents herein specified. For each submittal, the Contractor shall conduct a review with CTDOT of the design and shall incorporate the comments to the satisfaction of CTDOT.

2.3.49 The Contractor shall submit 60% design documents, which shall include, but not be limited to, the following: the detailed requirements to be submitted for each of these items listed below shall be in accordance with these Technical Specification and Contract Drawings.

All components of this submittal shall be configured in a logical and cohesive manner. Fragments of code or circuits are not acceptable.

a. A complete Table of Contents for each new signal house or signal case. A Secondary CIL is defined as a signal house not designated as the primary CIL installed within an interlocking.

b. Revisions to the Table of Contents for each existing location showing which sheets require revisions or the addition of new sheets.

c. All new instrument house and case sizes and layouts.

d. All existing instrument house and case layout drawings showing location of all new equipment.

e. AC and DC power calculations.

f. All local control / indication and proximity detector panel layouts to scale to the 90% level.

g. All new circuit plans and drawings to the 80% level.

h. All revisions to the existing circuit plans and drawings to the 80% level.

i. All new application logic and Boolean equations designed to the 60% level for all sections of the application.

j. All revisions to existing application logic and Boolean equations designed to the 60% level for all sections of the application.

k. Communications network design detailing all components, software, layout, cabling and operation.

l. All signal and communication network system performance calculations with supporting diagrams and drawings to the 60% level.

m. Preliminary Staging Design

n. All factory and field test plans and procedures to a 60% level of detail. This shall include all network testing, office testing, wayside testing and complete integrated system testing elements.

2.3.50 The Contractor shall submit 90% design documents, which shall include, but not be limited to, the following: the detailed requirements to be submitted for each of these items listed below shall be in accordance with these Technical Specification and Contract Drawings.

All components of this submittal shall be configured in a logical and cohesive manner. Fragments of code or circuits are not acceptable.

a. A complete Table of Contents for each new signal house or signal case to the 100% level.

b. Revisions to the Table of Contents for each existing location showing which sheets require revisions or the addition of new sheets to the 100% level.

c. All rack, wall, contact assignments and terminal board assignments to the 90% level.

d. All detailed cases, houses and layouts of components to the 90% level.

e. All local control / indication and proximity detector panel layouts to scale to the 100% level.

f. All circuit plans and drawings to the 90% level.

g. All revisions to the existing circuit plans and drawings to the 90% level.

h. All application logic and Boolean equations designed to the 90% level for all sections of the application.

i. All revisions to existing application logic and Boolean equations designed to the 90% level for all sections of the application.

j. An updated version of the signal communications network design definition, covering all the same topics as the 60% submittal and incorporating, explicitly identifying and explaining all revisions made between the 60% and 90% submittals.

k. All signal and communication system performance calculations with supporting diagrams and drawings to the 90% level.

l. All instrument house, case, and rack weight calculations shall also be submitted and shall include all lifting, pick points and placement procedures. Drawings including proper rigging, crane requirements and required hardware shall also be submitted.

m. 90% Staging Design

n. All factory and field test plans and procedures to a 90% level of detail. This level shall refine all previous elements of the integrated network, office and wayside testing plans.

2.3.51 The Contractor shall submit 100% design documents, which shall include, but not be limited to, the following: the detailed requirements to be submitted for each of these items listed below shall be in accordance with these Technical Specification and Contract Drawings.

All components of this submittal shall be configured in a logical and cohesive manner. Fragments of code or circuits are not acceptable.

a. A complete Table of Contents for each new signal house or signal case to the final level.

b. Revisions to the Table of Contents for each existing location showing which sheets require revisions or the addition of new sheets to the final level.

c. All rack, wall, contact assignments and terminal board assignments to the final level.

d. All detailed case, house and layout of components to the final level.

e. All local control panel layouts to scale to the final level.

f. All circuit plans and drawings to the final level.

g. All application logic and Boolean equations designed to the final for all sections of the application.

h. All components of this submittal shall be configured in a logical and cohesive manner.

i. All revisions to existing application logic and Boolean equations designed to the final level for all sections of the application.

j. A final version of the signal communications network design definition, covering all the same topics as the 90% submittal and incorporating, explicitly identifying and explaining all revisions made between the 90% and 100% submittals.

k. Signal and communication system performance calculations with supporting diagrams and drawings to the final level.

l. Final Instrument house, case, and rack weight calculations shall also be submitted and shall include all lifting, pick points and placement procedures. Drawings including proper rigging, crane requirements and required hardware shall be submitted and shall be sealed by a Professional Engineer registered in the State of Connecticut.

m. 100% Staging Design

n. Final signal and communication network system test factory and field plans and procedures to a final level of detail. This level shall refine all previous elements of the integrated network, office and wayside testing plans. . The 100% submission shall be approved prior to factory testing.

2.3.52 The Contractor shall submit “As Shipped” design documents incorporating all revisions made at the Contractor’s facility after approval of the 100% submission. Revisions as a result of factory testing and for any other purpose will be included in this submission.

As Shipped design documents for each location shall be transmitted to CTDOT before shipments for each location depart from the Contractor’s facility.

2.3.53 The Contractor shall provide ”As-In-Service” drawings for each location after Metro-North completes field testing and cutover. CTDOT will transmit markups to the Contractor showing revisions made by Metro- North forces as a result of issues or concerns revealed during equipment installation, field testing, and cutover. The Contractor shall incorporate revisions noted in the markups as well as revisions made by the Contractor (if any) after transmittal of “As Shipped” drawings.

As-In-Service drawings shall be transmitted to CTDOT within 14 days of receiving markups and comments from CTDOT.

2.3.54 Refer to Appendix D for Design submission milestones.

2.3.55 The Contractor shall allow thirty (30) working days for CTDOT to review and provide comments for each design level. Twenty (20) working days shall be allowed for review of product submittals. This review time shall be added to the Contractor's overall project schedule.

2.3.56 The Contractor, at its cost, shall supply any necessary software development, management or programming tools or development hardware required by the Contractor for this Contract.

2.3.57 Field test and cut-in support shall be required during weekends and/or nights as required by the Metro-North train operation. This cutover support shall be for a minimum of thirty five (35) separate weekends, providing full support for each cutover until the respective revision stage is in service. Should it be necessary to support the Metro-North operation; additional cutover Sub-Stages shall be provided by the Contractor.

2.3.58 The Contractor shall fully cooperate with the Engineer in all possible ways including adjustment of the delivery schedules.

2.3.59 Before beginning design, the Contractor’s engineering team shall attend a pre-engineering meeting with CTDOT in Connecticut at a location to be determined by CTDOT.

2.3.60 The Contractor is advised that CTDOT intends to retain the services of additional Consultants and Contractors to complete the project. The Contractor shall cooperate with these separate Consultants and Contractors throughout the duration of this Contract.

2.3.61 Previous work performed by the Contractor for CTDOT,MTAC&D, or Metro-North shall not be construed as implied acceptance of work to be performed under this Contract.

2.4 Management and Administration

2.4.1 The Contractor shall be responsible for management of their activities over the course of the entire Contract, including the management of all manufacturers and subcontractors utilized by the Contractor.

2.4.2 Safety training of the Contractor’s forces shall be required for any employee entering Railroad right-of-way property. Metro-North safety training is available online at www.contractororientation.com. The Contractor is responsible to cover any of its cost related to attending any Metro-North safety training.

2.4.3 The Contractor shall provide a Project Management Team that shall be responsible for the implementation of the elements of the Contract as defined.

2.4.4 Beginning with the initial work plan through the design, review, factory acceptance, fabrication, assembly, installation (by the Railroad) and final acceptance and warranty period, the Project Management Team shall document, monitor and facilitate the creation of the System. The work plan shall be updated monthly and submitted to the Engineer by the 10th of each month for the duration of the Contract.

a. The Contractor shall establish and maintain a Safety Assurance Program as specified elsewhere in these Technical Specifications.

b. The Contractor shall establish and maintain a Reliability, Maintainability & Availability Program as specified elsewhere in these Technical Specifications.

c. The Contractor shall establish and maintain a Quality Assurance Program as specified elsewhere in these Technical Specifications.

2.5 Project Team

2.5.1 A dedicated Project Team shall be assigned to the Contract until final system acceptance. The team shall consist of a minimum of four key personnel. The key members are the Project Manager, Signal Engineer, Application Engineer and Network Engineer.

2.5.2 The Contractor shall submit, within the Contract Proposal, a listing and organization of other personnel required to support the key personnel.

2.5.3 The Contractor shall submit, within the Contract Proposal, a listing of principal staff assignments and responsibilities for this Contract, all other assignments for these individuals external to this Contract, including percentage of time allocated to this Contract for each staff member. The listing shall include the key personnel assignments including resumes for approval by the Engineer.

2.5.4 Resumes of all staff members shall be submitted for review and approval.

2.5.5 Once approved by the Engineer, there shall be no substitution of the key personnel (Project Manager, Signal Engineer, Application Engineer and Network Engineer), and these personnel shall not be removed from this Contract without the written approval of the Engineer.

2.5.6 The key personnel (Project Manager, Signal Engineer, Application Engineer and Network Engineer) are expected to perform the majority of designs and engineering. Checking processes shall be performed by others within the Contractors team.

2.5.7 The Project Manager, Signal Engineer and Application Engineer shall be assigned to this Contract at a full-time level for the duration of the design phase of this Contract. The Contractor shall propose, in their Project Proposal, the level of involvement during completion of factory testing and during cut-in support.

2.5.8 Principal participants shall have previous experience in a similar position on at least three (3) other projects similar in scope and magnitude to this Contract.

2.5.9 The assignment and reassignment of Project Manager, Signal Engineer, Application Engineer and Network Engineer to other projects or work by the Contractor shall be subject to the approval of CTDOT.

2.6 Project Manager

2.6.1 The requirements of the Contractor’s Project Manager shall include, but not be limited to, the following:

a. The Contractor shall designate a full-time employee of their staff to act as the Contractor’s Project Manager.

b. The Contractor’s Project Manager shall be experienced in administration and supervision of similar signal projects including the management and direction of subcontractors and their work, as necessary.

c. The Contractor’s Project Manager shall be assigned to this Contract for the duration.

d. The Contractor’s Project Manager shall have the authority to make both engineering and contractual commitments and decisions that are binding on the Contractor.

e. The Contractor’s Project Manager shall interface with the CTDOT to coordinate all Contract activities.

2.6.2 The Project Manager shall have a minimum of ten (10) years’ experience in the development and management of railroad wayside signal projects. This shall include, but not be limited to, engineering, designing, testing, installing, configuring, debugging and documenting of all necessary hardware activities and related software activities.

2.6.3 The Project Manager shall be experienced in the management of large and complex engineering and design projects and experienced in public works contracting.

2.6.4 Project Management responsibilities by the Project Manager shall include, but not be limited to, the following:

a. Preparation of all Contract reporting and correspondence documents in accordance with the Terms and Conditions of the Contract Document, this Scope of Work and as approved by the Engineer.

b. Attendance at all design, coordination and project meetings in conformance with the Contract Terms and Conditions and this Scope of Work.

c. Preparation of minutes of all Project and Engineering meetings.

Minutes shall be forwarded to the Engineer for approval within five (5) working days of the meeting.

d. Preparation of all submittals called for or inferred in the Contract Documents, in accordance with the section on Submittals, to the Engineer for approval.

e. Supervise Contractor activities as defined.

f. Develop work plans and timetables for Contract completion.

g. Develop, update and submit overall monthly Contract schedules.

h. Develop and maintain procedures regarding submittals.

i. Conduct regular meetings to review Contract progress and modifications.

j. Provide process for design review.

k. Provide and coordinate system of securing, maintaining and distributing documents.

l. Supervise ongoing work to include, but not be limited to:

1. Submittals

2. Quality Control measures

3. Coordination with Railroad activities

4. Technical Specification

5. Technical plans and drawings

6. Provisioning tables

7. Engineering calculations

8. Cost estimates

9. Schedules

10. Documentation

11. All Deliverables

2.7 Signal Engineer

2.7.1 The Contractor shall assign a Signal Engineer responsible for the engineering, design and application engineering and development of the signal systems. The Signal Engineer shall be assigned permanently for the duration of this Contract and approved by the Engineer. The Signal Engineer shall attend all Technical Meetings.

2.7.2 The Signal Engineer shall have a minimum of ten (10) years’ experience in development of hardware for railroad wayside signal projects. This shall include, but not be limited to, engineering, designing, testing, installing, configuring, debugging and documenting of all necessary hardware and applications.

2.7.3 The Signal Engineer shall be authorized to direct the Contractor’s personnel so the design and construction can proceed without delay.

The Signal Engineer shall have experience in related signal projects of comparable size and complexity.

2.7.4 The Signal Engineer shall be experienced in the field wayside signal systems controlled by the CTC systems. This shall include, but not limited to, the requirements of the communications necessary to tie the CTC office to the field signal equipment.

2.7.5 The Signal Engineer shall be a full time employee of the Contractor and shall be present during all factory tests and on-site during all in-service tests.

2.7.6 It is understood that the actual title for the employee designated as the Signal Engineer may be different than “Signal Engineer.” For purposes of this Contract, the designated employee will be referred to as the Signal Engineer.

2.8 Application Engineer

2.8.1 The Contractor shall assign an Application Engineer during the design, application development and installation of the wayside signal system.

The Application Engineer shall be assigned permanently for the duration of this Contract and approved by the Engineer. The Application Engineer shall attend all Technical Meetings.

2.8.2 The Application Engineer shall be responsible for all details of the vital and non-vital programs logic and for the Software Quality Assurance Plan and execution.

2.8.3 The Application Engineer shall have a minimum of ten (10) years’ experience in development of software application for railroad wayside signal projects. This shall include, but not be limited to, engineering, designing, testing, installing, configuring, debugging and documenting of all necessary hardware and related…