DOCUMENT

ITB - 700-800MhzTrunkedRadioSystem 2007

  • YEAR CREATED: 2007
  • ENTITY TYPE: City/Township
  • TYPE OF DOCUMENT: BID - ITB, IFB, ITT, RFB
The document is a request for proposal (RFP) from the City of Houston for a 700/800 MHz trunked radio and communication system. The document outlines the coverage requirements for the system and provides specific instructions for vendors to follow when submitting their proposals. The document specifies the different types of coverage that need to be considered, including on-street portable coverage, in-building portable coverage, and mobile coverage. It provides guidelines for the signal levels and penetration losses that should be accounted for in each type of coverage. Vendors are required to use a specific map format to display their coverage maps, which should be provided in both printed and electronic formats. The electronic versions should be in a common GIS format for further analysis by the City. The document also mentions the need for land use/land cover data to be included in the proposals, along with a map showing where each use category was used. The source and publication date of the data should be provided, and a table describing each use category and its associated loss value should accompany the map. If a proposed system configuration utilizes simulcast technology, the coverage maps must account for any harmful time delay interference (TDI) that may occur. The document specifies that areas of TDI should be clearly shown on the coverage maps or marked as "noncovered" areas. The delay threshold and capture ratio on which the City's system design is based should also be identified. The document briefly mentions the coverage testing process, which will be conducted as part of the system acceptance testing. The City will supervise the testing process, and the City and vendor will test coverage in all accessible grids. The portable radio voice testing will include both analog and digital voice modes, and failures in any mode will constitute a failed test location. The document also mentions the possibility of test retries and specifies that no more than 5% of retries will be allowed to pass this portion of the coverage testing process. If the proposed system utilizes roaming software, it must be properly installed, calibrated, and optimized prior to the coverage testing. Overall, the document provides detailed requirements and guidelines for vendors to follow when submitting their proposals for the 700/800 MHz trunked radio and communication system for the City of Houston.
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