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Site work for a bridge / tunnel in Saint Louis, Missouri. Completed plans call for site work for a bridge / tunnel.

FOR INFORMATION CALL: (Not collect calls) David Ramsay 314)982-1400 x. 1886 or dgramsay@bistatedev.org Question Deadline 08/30/2024 at 12:00 PM CT Any written explanation desired by a Quoter regarding the meaning or interpretation of this RFQ package, must be requested in writing to via online portal. The BDA and one of the associated coax transmission lines in tunnel 1 were electrically destroyed by flood waters mid-summer 2022. The intent of this SOW is to outline the work required to replace the damaged components and place the system back in service. The damaged BDA has already been removed from the tunnel and the NEMA 4X BDA enclosure salvaged for reuse. The existing/new BDA was/will be connected to three existing yagi antennas and down-Link antenna power divider via 7/8 inch LDF coax enclosed in existing 3-4" conduit. All yagi antennas and the conduit are in serviceable condition and will be reused. The existing 7/8" RF coax transmission line along with its associated 1/2 "antenna end jumper connecting the BDA to the up-Link yagi antenna has been tested to be in serviceable condition and will be reused. The existing electrical supply is in serviceable condition, housed in conduit and terminates where the enclosure will be remounted on the tunnel wall using the existing enclosure wall mounts. The two existing down-Link yagi antennas, power divider and associated 1/2" antenna end jumpers have been tested to be in serviceable condition and will be reused. The 250' 7/8" LDF coax line feeding the power divider and yagis has failed testing and requires replacement. The following components require removal and/or replacement and installation: o Provide a new Bird, TX/RX, SBII, 806-861MHz, 2 way 80dB, BW 10MHz, Red NFPA BDA. Model, 63-89C-2A-N-2-N. o Install new BDA in existing NEMA 4X enclosure. Yes, it will fit as it was the original Bird TX/RX BDA enclosure. o Provide a new electrical quad box with one dual outlet and on/off switch and install inside the enclosure to complete the installation. The electrical box is a very simple application used by Bird TX/RX. Examples available. o Provide two new panel mounted "N" RF connectors and install. The holes for the connectors already exist in the enclosure. The connectors shall be rated for outdoor use. o Reinstall the BDA enclosure using the existing tunnel wall mounts.

Bid Results

Bridges / Tunnels

$88,967.00

Public - State/Provincial

Site Work

Documents for this project are exclusively Specifications. If Plans become available, we will add them here.

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September 10, 2024

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To Be Determined, Saint Louis, MO

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