BOISE AIRPORT * UNDERGROUND SUPPLY MAIN PIPING MODIFICATIONS. TO STUB IN A NEW 8" DUCTILE IRON MAIN UNDER EXISTING TERMINAL CONCOURSE FOR USE DURING FUTURE CONSTRUCTION. TO ALSO STUB IN A 6" DUCTILE IRON MAIN TO THE EXTERIOR OF THE EXISTING CONCOURSE FOR TEMPORARY USE DURING FUTURE CONSTRUCTION. THE TEMPORARY 6" LINE IS TO BE "HEAT TAPED" AND INSULATED. 6" MAIN IS TO BE REMOVED FOLLOWING CONSTRUCTION WHICH IS ESTIMATED TO BE 2 YEARS. ALL UNDERGROUND WORK TO BE PER PLANS, REVIEW NOTES ATTACHED, UFC REQUIREMENTS, MEETING THE INSTALLATION REQUIREMENTS OF NFPA 13-1999, NFPA 24-1995, BCO AND FIRE DEPARTMENT REQUIREMENTS. *JWA*