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Opening of Bids - One (1) or More, 2020 or Newer, 60’ Aerial Two Wheel Drive Tower Truck – Spec J - Altec Industries, Inc. #2
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Opening of Bids - One (1) or More, 2020 or Newer, 60’ Aerial Two Wheel Drive Tower Truck – Spec J - Altec Industries, Inc. #2
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11/12/2020 11:09:45 AM
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11/12/2020 11:08:56 AM
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Board of Public Works
Document Type
Contracts
Document Date
11/10/2020
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A. <br />B. <br />C. <br />D. <br />E. <br />F. <br />G. <br />H. <br />1. <br />J <br />.A <br />J <br />N <br />Z <br />Ground to Bottom of Platform Height: 56.5 ft at 0 ft from centerline of <br />_X_ <br />rotation (17.2 m at 0 m) <br />Working Height: 61.5 ft (18.7 m) <br />_X_._._ <br />Maximum reach to edge of platform: 43.1 ft at 28.6 ft platform height (13.1 <br />X_ <br />mat8.7m) <br />Rotation: Continuous <br />_X_ <br />Upper Boom Articulation: 0 to 196 degrees. Insulator provides a minimum <br />_X_ <br />of 156 in (396 mm) of isolation. <br />Lower Boom Articulation: 0 to 120 degrees. Insulator provides a minimum <br />_X_ <br />of 24 in (610 mm) of isolation. <br />Lower boom stow protection to help prevent excessive down pressure by <br />_X <br />boom structures when stowing. <br />Upper Controls: The upper controls system includes a proportional joystick <br />_X_ <br />upper control and toggle switches. <br />Upper Controls: The dielectrically tested, insulating upper control system <br />_X_ <br />includes the following boom tip components that can provide an additional <br />layer of secondary electrical contact protection. 1. Control Handle: A <br />single handle controller incorporating high electrical resistance <br />components that is dielectrically tested to 40 kV AC with no more than 400 <br />microamperes of leakage. The control handle is green in color to <br />differentiate it from other non -tested controllers. The handle also includes <br />an interlock guard that reduces the potential for inadvertent boom <br />operation. 2. Auxiliary Control Covers: Non -tested blue silicon covers for <br />auxiliary controls. 3. Control Console: Non -tested non-metallic control <br />console plate. 4. Boom Tip Covers: Non -tested non-metallic boom tip <br />covers. The covers are not dielectrically tested, but they may provide some <br />protection against electrical hazards. <br />Lower Controls: A lower control station is located on the curb side of the <br />X <br />turntable with the control valves under a protective cover. A selector valve <br />at the lower control station is provided to override the upper controls. <br />Control purging system contains a continuous automatic purge feature, <br />_X_ <br />which provides for oil flow through the control system, to eliminate <br />trapped air. This feature is operational any time the selector at the lower <br />controls is in the upper control position and the pump is operating. <br />The platform is leveled by a single leveling chain with fiberglass rods in <br />_X_ <br />upper and lower boom, designed to maintain the dielectric integrity of the <br />aerial device. Controls for tilting the platform are located at the platform. <br />The mechanism for tilting the platform includes one dual acting cylinder <br />incorporating counterbalance load holding valves to lock the platform in <br />the event of hydraulic line failure. <br />Outrigger/boom interlock system prevents boom from being unstowed until <br />_X_ <br />outriggers have been at least partially deployed. <br />Outrigger/Unit selector control is located near the outrigger controls, <br />_X_ <br />allows operator to divert hydraulic oil from machine circuit for outrigger <br />operation. This reduces the potential for inadvertent outrigger movement <br />during machine operation if outrigger controls are bumped. <br />
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