specifications - FAACO - Federal Aviation Administration Contract ...

.FTWIC-2235June 2009PART 3.00EXECUTION3.01 INSTALLATION:A. Maintain the waterproof integrity of conduit penetrations through the roof, exterior wallsand floors.B. Install 22 gauge, galvanized, sheet iron sleeves for each conduit passing through floors.Extend sleeves 1-1/2" inches above the floor slab and cement watertight. The sleevesizes shall permit the subsequent insertion of a properly sized conduit or raceway.C. Install galvanized, wrought iron, pipe sleeves around the conduit and raceway which passthrough concrete beams or walls and masonry exterior walls. The inside diameter of thesleeves shall be at least 1/2" inch greater than the outside of the service pipes. After thepipes are installed into these sleeves, fill the annular space between the pipes and sleeveswith mastic. The complete installation shall be watertight and the fire rating ofpenetrations through walls, floors and ceilings shall be maintained.D. Install steel reinforced concrete foundations below floor mounted switchboards,panelboards, motor control centers, transformers, and other floor mounted electricalequipment. Concrete foundations shall not be less than four (4") inches high. Neatlychamfer top edges. Concrete foundations shall be six (6") inches wider and six (6")inches longer than the base of the equipment being installed. Concrete shall be inaccordance with Section 03300, CAST IN PLACE CONCRETE and shall be reinforcedwith a minimum of 6" x 6" #6 welded wire mesh.E. All equipment shall be installed so as to provide proper working space, access andbracing for UBC Seismic Zone 2B, and space for removal of the equipment as requiredby the various equipment items.F. The drawings indicate certain information pertaining to surface and subsurfaceobstructions which has been taken from available Drawings. Such information is notguaranteed as to accuracy of location or completeness. Before any cutting or trenchingoperations are begun, verify with the Contracting Officer, utility companies,municipalities, and other interested parties that all available information has beenprovided. Verify utility line locations prior to commencing operations. Where unknownobstructions are encountered, the Contractor shall alter routing of the work as directed bythe Contracting Officer. The Contractor shall hand dig where there are existing utilities.The Contractor shall assume total responsibility for repairing any damage to existingknown utilities or construction.G. Lay out and coordinate all work well enough in advance to avoid conflicts orinterferences with other work in progress so that in case of interference the electricallayout may be altered to suit the conditions, prior to the installation of any work andwithout additional cost to the Owner. Maintain required clearances about electricalequipment. Unless specifically noted otherwise, establish the exact location of electricalequipment based on the actual dimensions of equipment furnished.16010-8