Download Specifications for Atkinson
Transcript
Heating Upgrade for Atkinson Hall Georgia College & State University Milledgeville, Georgia L. Mitered Fittings and Tapped Pipes: Mitered fittings and tapped pipes are not allowed. All changes in direction and pipe branches shall be accomplished by the use of fittings. M. Pipe Routing: Pipes shall be run level (except as required for grading) plumb and parallel with the building structure unless otherwise indicated on the drawings. N. Spacing Pipe: Maintain 4" minimum clearance between parallel runs of piping after insulating, space permitting. O. Coring: On new construction, pre-cast sleeves in all masonry and concrete walls, floor and ceiling slab. For a limited number of openings, contractor may core drill openings in masonry and concrete walls and floor slabs where sleeves were inadvertently not installed as the wall or floor slab was constructed. Also, see pipe sleeve detail on the mechanical drawing. On existing construction, sleeve openings must be core drilled. P. Grooved: Where specified herein, piping shall be grooved in accordance with ANSI/AWWA C-606, CSA B-242, and the manufacturers published specifications. Provide lubricant furnished or approved by the manufacturer. Lubricate the gasket exterior thoroughly (including lips). Q. Install Schedule 40 steel sleeve with water stop and mechanical sleeve seal at each service pipe penetration through foundation wall. Select number of interlocking rubber links required to make installation watertight. Sleeves and mechanical sleeve seals are specified in Division 15 Section "Basic Mechanical Materials and Methods." 3.5 JOINT CONSTRUCTION A. General: Joints shall be determined by the equipment connections or by the valve or fitting specified herein. B. Threaded: All threads shall be National Pipe Thread. Apply a commercial grade compound to the male threads only. Ream cut ends and remove all burrs. C. Soldered Joints: Use ASTM B 813, water-flushable, lead-free flux; ASTM B 32, leadfree-alloy solder; and ASTM B 828 procedure, unless otherwise indicated. D. Grooved Joints: Assemble joints with grooved-end-pipe or grooved-end-tube coupling housing, gasket, lubricant, and bolts according to coupling and fitting manufacturer's written instructions. E. Extruded-Tee Connections: Form tee in copper tube according to ASTM F 2014. Use tool designed for copper tube; drill pilot hole, form collar for outlet, dimple tube to form seating stop, and braze branch tube into collar. 3.6 HANGER AND SUPPORT INSTALLATION A. Pipe hanger and support devices are specified in Division 15 Section "Hangers and Supports." B. Install supports according to Division 15 Section "Hangers and Supports." DOMESTIC WATER PIPING 15140 - 4