Description:
THE WORK TO BE DONE CONSISTS OF BUT IS NOT LIMITED TO: FURNISHING ALL LABOR, SUPERVISION, MATERIALS, AND EQUIPMENT AND PERFORMING ALL WORK IN STRICT ACCORDANCE WITH THESE SPECIFICATIONS FOR THE UPGRADE/RENOVATE LABORATORY CONTROLS AT USDA-ARS, NBCL, LOCATED IN STONEVILLE, MISSISSIPPI. PRINCIPAL FEATURES OF WORK: A. REPLACE THE EXISTING LABORATORY CONTROL SYSTEM FOR ROOMS 121A, 121B, 121C, 121D, 122, 125, 139, 141, 221, 226, 227,&228. B. MODIFY EXISTING BENCH TYPE HOODS FROM CONSTANT VOLUME BYPASS TO VARIABLE AIR VOLUME (VAV). PROVIDE NEW CONTROLS ON THE HOODS INCLUDING, BUT NOT LIMITED TO, FACE VELOCITY SENSOR/ALARM, SASH POSITION RETROFIT KIT, AND INTERFACE TO LABORATORY CONTROLS. C. REPLACE CONTROLS FOR ASSOCIATED LABORATORY VAVS FOR THE EXHAUST AND SUPPLY VAV BOXES. D. INSTALL LABORATORY CONTROLLER TO SERVE EACH LAB. ADD ALTERNATE BID ITEM #1: REPLACE THE EXISTING TRANE TRACE SUMMIT CONTROL SYSTEM WITH A WEB-BASED CONTROL SYSTEM. ALL EXISTING CONTROLS IN BUILDING TO BE CONNECTED TO NEW WEB-BASED CONTROL SYSTEM.