830 SE EVERETT MALL WAY 2018-01-01 MF Import

• � � • : : .:7[�I�I 2. Seal all threaded joints with Teflon tape or Reclorseal "Heavy Duty" #100 Vergin Teflon Thread Sealing Paste. 3. Tako care not to overtighten metal pipe to PVC filtings. 4. Keep interior of p:pes clean and tree irom dirt, debris, excess solvent, pipe cuttings or burrs, and ream to tull diameter. When pipe laying is not in progress,close ends of pipe. PVC Pipe: 1. Use two-step solvent weld process only, apply as per manufacturers recommendations. 2. No water shall be permitted in pipe until a period oi at least 10 hours has elapsed for solvent weld setting and curing. 3. The joints shall be allowed to cure at least 24 hours before pressure is applied to the system. 4. Only factory-threaded Schedule 80 PVC pipe may be connected to a threaded fltting without an adapter. No mate PVC adapters permitted. Use only female PVC adapiers with schedule 80 PVC nipples (3" mimmum length). 5. Snake pipe from side to side of trench bottom to allow for expansion and contradion. Galvanized Pipe: t. Install pipe in accordance with industry standards and manufaclurer's recommendations. 2. Pant all piping below g�.B, inctuding pohions oi all galvanized risers, with at least one coat of Amencan Tar Company "Carbon Elastic Paint," #2221, or approved, to prevent acid corrosion. Cast firiing need not be pafnted. Do not add any sotvent to the paint. If the paint is too thick, heat without applying direct flame.Care shall be taken to thoroughly paint ell male threads. Whon painting is done betore assembly, the paint shall be touched up after assembly. Paint no above-9�1S P��• SPRINKLER HEADS: A. Rotary and Impact Heads and Quick Couplers: 1. Instail on PVC tnple swing joint as detailed, made with Schedule 80 PVC threaded tittings. Minimum nser size shall be the iron pipe size of the sprinkler heads or quick coupler. 2. Set all heads perpendicular to finish grade and 6" back from curbs and walks unless otherwise noted. B. Fixed Lawn and Shrub Spray Heads and Bubblers: t. Install on flexible nipple or iriple swingjoint as detailed. 2. Adjust head height as detailed, and set 6" back from pavemenl and curbs and perpendicular to finish grade, unless otherwise noted. AUTOA�ATIC GONTROL VALVES / VALVE BOXES: Install in approximate locations shown on plan, outside of paved areas and grouped together where possible. Where vatves occur adjacent to paved areas, install so ihat the vaive box will be no closer than 12" to paving and perpendicular or paretlel to it. Grouped valves shall be spaced evenly to prevent a neat appearance. Enctose ail valves in valve boxe;, except drain valves which are to be enclosed in 88048 IRRIGATION 024�1 - 8