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Section 27 60 02 CONTRACT SPECIFICATIONS SECTION 27 60 02 TUNNEL RADIO SYSTEM PART 1 - GENERAL 1.01 SUMMARY A. Design, furnish, and install all necessary fiber-optic equipment, amplifiers, antennas, devices, interconnecting cabling, and software to completely implement the fiber-fed 800 MHz Radio Distributed Antenna Systems (DAS) described in these Specifications and in the attached Contract Drawings. B. Section includes the requirements for furnishing, installing, and testing two DAS Systems to provide radio communications for both Sound Transit and for public safety agencies in the NorthNorthgate Link and East Link tunnel segments; U-District Station and Roosevelt Station; the Bellevue Transit Center tunnel and station, other East Link Stations and parking garages (described below), the Mount Baker I-90 Tunnel, and the Mercer Island I-90 Lid. The Distributed Antenna Systems will provide coverage both in the NorthNorthgate Link and East Link tunnel segments and in all public and ancillary spaces in the NorthNorthgate Link and East Link stations. Section also includes requirements for relocating existing Downtown Seattle Transit Tunnel (“DSTT”) DAS panel antennas in the International District Station (“IDS”) to provide clearance for the new Overhead Contact System (“OCS”) that will be installed in the IDS Station as part of the implementation of the East Link alignment. B.C. The NorthNorthgate Link System will have two RF distribution Hubs located at U-District Station and Roosevelt Station. The East Link System will have two RF distribution Hubs located at the Mt. Baker Tunnel and the Mercer Island Tunnel. These RF distribution The North Link Hubs will be fed via an analog RF-over-fiber link from the Distributed Antenna system Headend at the Sound Transit Operations and Maintenance Facility (OMF). C.D. The East Link Hubs at the Mt. Baker Tunnel and the Mercer Island Lid will be fed from a base station at the Sound Transit OMFE Facility. The other remote locations in the East Link system will be fed via over-the-air links to the PSERN radio system. D.E. Stand-alone repeaters in each Hub location, operating on 800 MHz 8TAC channels, will provide backup communications capabilities in the event of a complete failure of the fiber optic links from the OMF to the U-District and/or Roosevelt station headends or from the base station facility at the OMFEeach hub location (8TAC channels are public safety 800 MHz conventional channels reserved for use by multiple agencies as interoperability channels and tactical channels.) 1.02 RELATED SECTIONS A. Section 27 60 01 – PSERN Radio System Interface Requirements. B. Section 27 60 07 – Radio System Testing, Identification and Administration. NORTHGATE / EAST LINK SECTION 27 60 02 RTA/AE 0027-12 EXTENSIONS TUNNEL RADIO SYSTEM N830 / E750 SYSTEMS ENGINEERING IFCCNRFP#007, & #008, #016, & #017 PAGE 1 OF 68 C. Section 27 11 16 – Communications Cabinets and Racks D. Section 27 13 23 – Systems Optical Fiber Backbone Cabling. 1.03 EXISTING SOUND TRANSIT TWO-WAY RADIO SYSTEM AND SYSTEMS OVERVIEW A. KING COUNTY RADIO SYSTEM AND PSERN 1. The Sound Transit Link two-way radio system now operates over the existing King County Regional 800 MHz Trunked Radio System (“KCRS”), using Motorola mobile radios, portable radios, and control stations configured for operation on the KCRS, which is a Motorola Smartzone analog trunked radio system operating with Version 4.1. The KCRS will be migrating over the next 5 years to a replacement system called PSERN (Puget Sound Emergency Radio Network), which will be a Motorola P25 Phase 2 system that will be interconnected to other P25 systems in the Puget Sound Region via ISSI 8000. By the time the DAS systems described in these specifications are implemented, the PSERN system should be essentially fully implemented as a two-slot TDMA radio system, and the systems described in these specifications will operate over the PSERN system. Therefore, there will be two voice paths per 12.5 kHz RF channel at each base station facility in the system, and the systems described in these specifications will operate over the PSERN system. 2. Mobile and portable radios for the Sound Transit two-way radio system will be provided by others and under a separate contract and are not the responsibility of Contractor in these Specifications. These radios will be programmed by others to operate on the PSERN system. B. NORTHNORTHGATE LINK TUNNEL RADIO SYSTEM 1. The existing above-ground repeater sites in the future PSERN system will provide coverage to the portions of the Sound Transit NorthNorthgate Link alignment that are above ground (as does the existing KCRS system), while a new Tunnel Radio System will be implemented to provide coverage in the NorthNorthgate Link tunnel segments and three new stations at U-District Roosevelt, and Northgate. 2. The NorthNorthgate Link DAS System described in these Specifications will provide radio communications for Sound Transit trains, and public safety agencies (Seattle Police, Seattle Fire, and EMS) in a new tunnel now being constructed from the University of Washington Campus to Northgate. The Distributed Antenna System shall provide coverage in the tunnel bore segments and in all public and all habitable ancillary spaces in the three stations, including: a. Electrical rooms b. Comm. Rooms c. Elevators d. Crew resting areas 3. The NorthNorthgate Link Distributed Antenna System will be fed by the 800 MHz dual-redundant base station site located at the Sound Transit Operations and NORTHGATE / EAST LINK SECTION 27 60 02 RTA/AE 0027-12 EXTENSIONS TUNNEL RADIO SYSTEM N830 / E750 SYSTEMS ENGINEERING IFCCNRFP#007, & #008, #016, & #017 PAGE 2 OF 68 Maintenance Facility (“OMF”), which will be upgraded to be part of the PSERN P25 system. This base station site now operates as part of the KCRS. That base station facility will be connected via redundant path RF-over-fiber links to RF distribution hubs located at the U-District and Roosevelt Stations in the NorthNorthgate Link Segment. The RF distribution hubs will feed 800 MHz signals from the PSERN system to hybrid radiating cable/distributed antenna systems in the stations and tunnel bore segments. 4. The Northgate Station Distributed Antenna System will be fed with a fiber-fed remote repeater unit; the remote unit will be fed from the Northgate Parking Garage (described below). 5. In addition to the fiber-fed DAS system described above, the parking garage at the Northgate Station will incorporate a separate DAS system fed via an off-the- air donor antenna. 6. The existing base station at the Sound Transit OMF facility is an existing and operational system which will be modified by others to incorporate it into the PSERN system. This base station facility is also not the responsibility of the Contractor. 7. The NorthNorthgate Link Tunnel Radio System includes two conventional 800 MHz repeaters in each tunnel segment operating on 8TAC (International Tactical Channel) interoperability channels to provide backup communications in the tunnels in the event of the complete failure of both the main and the backup base station repeater sites or failure of one or both of the fiber links between the base station repeater sites and the tunnel segments. (8TAC channels are public safety 800 MHz conventional channels reserved for use by multiple agencies as interoperability channels and tactical channels.) One repeater provides backup communications for public safety users. The other repeater provides backup communications for Sound Transit personnel. The Sound Transit conventional repeater will be linked to the Sound Transit control center via dedicated audio and control links over the Sound Transit communications backbone system. C. EAST LINK TUNNEL RADIO SYSTEM 1. The existing above-ground repeater sites in the future PSERN system will provide coverage to the portions of the Sound Transit East Link alignment that are above ground, while new DAS Systems will be implemented to provide coverage in the East Link I-90 tunnel segments, in the Bellevue Transit Center tunnel and station, in the Winter House Lid, in the 112th Street Underpass, and in the other facilities described in these specifications. 2. The East Link DAS System described in these Specifications will provide radio communications for Sound Transit trains, and public safety agencies (Mercer Island, Bellevue; and Redmond Police, Mercer Island, Bellevue and Redmond Fire; and Mercer Island, Bellevue and Redmond EMS) in a new tunnel segments and in multiple stations to be constructed from the existing IDS station on Central Link to Overlake Transit Center in Redmond. The Tunnel Radio System shall provide coverage in the East Link primary tunnel bore segments: Bellevue Transit Center, Mount Baker I-90 and Mercer Island I-90 Lid) and in all public and required habitable ancillary spaces (including electrical rooms, communications rooms, elevators, crew resting areas and in the TPSS buildings and signal houses listed herein) in the following stations and short tunnel segments (the type of system feed and headend location for each of these facilities are listed for each station or tunnel segment): NORTHGATE / EAST LINK SECTION 27 60 02 RTA/AE 0027-12 EXTENSIONS TUNNEL RADIO SYSTEM N830 / E750 SYSTEMS ENGINEERING IFCCNRFP#007, & #008, #016, & #017 PAGE 3 OF 68 a. Mount Baker Tunnel (Fiber-Fed Remote from OMFE) b. Mercer Island Lid Tunnel (Fiber-Fed Remote from OMFE) b.c. Judkins Park Station (Off-the-Air BDA) c.d. Mercer Island Station (Off-the-Air BDA) d.e. South Bellevue Station (Off-the-Air BDAFiber-Fed BDA from garage) e.f. South Bellevue Parking Garage (Off-the-Air BDA) f.g. Hospital Station (Off-the-Air BDA) g.h. 120th Station (Off-the-Air BDA) h.i. Downtown Bellevue Tunnel (Fiber-Fed BDA from BTC Comm Room) i.j. Bellevue Transit Center Station (Off-the-Air BDA) j.k.
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