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CLARIFICATIONS / CORRECTIONS : <br /> The following portions of the Contract Documents are modified as shown below: <br /> 1 . TECHNICAL SPECIFICATIONS <br /> PART 1 - GENERAL <br /> 1 ,1 SUMMARY <br /> Be Scope of Work <br /> 2, cc) DELETE THIS ITEM ENTIRELY AND REPLACE WITH THE FOLLOWING : <br /> cc) Coordinate and pay all fees associated with electrical service connections as required <br /> by City of Vero Beach Utilities, <br /> 1 .2 LIGHTING PERFORMANCE <br /> A . AND Be DELETE BOTH ITEMS ENTIRELY AND REPLACE WITH THE FOLLOWING : <br /> A. PERFORMANCE REQUIREMENTS: PLAYING SURFACES SHALL BE LIT TO AN AVERAGE MAINTAINED LIGHT LEVEL AND <br /> UNIFORMITYAS SPECIFIED IN THE CHARTBELOw. LIGHT LEVELS SHALL BE MAINTAINED FOR 25 YEARS. LIGHTING <br /> CALCULATIONS SHALL BE DEVELOPED AND FIELD MEASUREMENTS TAKEN ON THE GRID SPACING IMTH THE MINIMUM <br /> NUMBER OF GRID POINTS SPECIFIED BELOW. <br /> Average Maximum to Grid Grid <br /> Area of Lighting Maintained Light Minimum Points Spacing <br /> Levels Uniformity Ratio <br /> Baseball Field #1 Infield 100 footcandles 1. 3: 1. 0 25 30 ' x30 ' <br /> Baseball Field #2 Infield 100 footcandles 1.3:1. 0 25 30' x30' <br /> Baseball Field #1 70 footcandles 2.4:1. 0 128 30' x30 ' <br /> Outfield <br /> Baseball Field #2 <br /> Outfield 70 footcandles 2.4: 1. 0 133 30 ' x30 ' <br /> 9. Independent Test Report: Manufacturers bidding any form of light system must provide an <br /> independent test report certifying the system meets the lumen requirements above and verifying <br /> the field performance of the system for the duration of the useful life of the lamp based on lamp <br /> replacement hours. Report shall be signed by a licensed professional engineer with outdoor <br /> lighting experience. <br /> 2. Project References: Manufacturers bidding any form of light system must provide a minimum of <br /> five (5) project references within the state of Florida that have been completed within the last two <br /> (2) calendar years. Manufacturer will Include project name, project city, contact name, and <br /> contact phone number for each reference. <br /> B. Lamps <br /> • All Manufacturers must provide 1500 watt metal halide lamps <br /> O Lamps exceeding 180, 000 Lumens will not be approved. <br /> • Must provide lamp cut sheets <br /> O Initial lumen output of the lamp shall be based upon "lamp manufacturers Initial lumen values <br /> after 100 hours of lamp operation " per ANSI standards. A minimum light loss factor of . 95 <br /> must be used for initial calculations. <br /> Page 2 of 7 <br /> F.• IPubiic WOlkBiENGINEERINGDIVISIONPROJECTM1042 VBSPOMP711aLgeLightinel4dmimlbiddocummisiAddendumslADDENDVMNO l.doc <br />