Caroline County, Virginia Request for Proposals Project 25 Radio ...

UHF/700 MHz P25 Radio Communications SystemRequestion for ProposalsCaroline County, VirginiaE. Prior to any excavations, the SELECTED VENDOR or subcontractor shall followappropriate procedures outlined at the following website: www.call811.com.F. The SELECTED VENDOR will coordinate with utility companies for all utilityrelated items, including Telco installations and electrical service hookups anddisconnects.G. Concrete:1. For all foundations and concrete work, the SELECTED VENDOR orsubcontractor will provide to the Project Engineer a test sample of each mixof concrete demonstrating that is has been tested for compliance with thefoundation specifications set forth by the requisite site engineer. Writtenreports certifying the strength of the concrete are to accompany each testcylinder.2. If any concrete used in the foundation does not meet specifications, theSELECTED VENDOR or subcontractor will be required to remove thefoundation and pour a new foundation using compliant materials, at noexpense to the OWNER.6.2 Communications TowersA. General:1. The RESPONDENT shall propose self supporting towers for new towersites, or for existing towers that must be replaced.2. Any tower manufacturer supplying a tower(s) for this system is required toguarantee structural integrity of the tower for a period of not less than 20years from the date of acceptance.B. Tower Loading:1. The tower and foundation shall be designed for all proposed equipment,legacy equipment, appurtenances, ancillary equipment, initial antennaloading plus 100% future antenna system growth, without addition to ormodification of the finished tower or foundation.2. Designed loading shall also consider two typical cellular carrier antennaarrays near the top of the structure for future growth or leasingopportunities.May 27, 2011 Page 47 of 134