Laserfiche WebLink
0 <br /> Primary Piping System Installation <br /> PART ONE LAYOUT AND PREPARATION <br /> INSTALLATION INSTRUCTION FOR While handling,storing,and transporting the pipe,it <br /> RED THREAD IIA sometimes incurs rough treatment. Therefore, inspect <br /> all pipe surfaces for possible damage to the pipe wall <br /> PRIMARY PRODUCT PIPING and spigot ends. Inspect fittings for signs of damage. <br /> • Proper installation is the key to achieving a highly Damaged pipe must be cut out and replaced. Damaged <br /> reliable, adhesive bonded, matching taper, bell and fittings must not be used. If in doubt about damage, <br /> spigot joint. contact your local FGS Smith Fibercast distributor or <br /> • Matching taper angles on spigot and bell ends make it representative. <br /> possible to lock up a joint by wedging the spigot into Exposing machined surfaces to direct sunlight will result <br /> the bell so that it takes significant force to separate them. in loss of joint bonding strength. Because the degree of <br /> Proper lock up is essential. weathering, surface degradation, and subsequent effect <br /> • A very thin line of adhesive (called the bond line or on bond strength varies greatly, depending on geographic <br /> glue line)between the two matching tapered surfaces is location and related factors such as cloud cover, seasonal <br /> necessary to achieve optimum joint strength. hours of daylight, intensity of sunlight, humidity, etc., it is <br /> • Cool weather installations require different bonding difficult to place a fixed time limit on the acceptable amount <br /> exposed areas Cover ex <br /> osure. p <br /> procedures from warm weather installations. of expL/ <br /> • Proper installation results in joint strength equivalent to of pipe and fittings to protect from <br /> or stronger than the piping systems. UV damage. In all instances <br /> • To achieve the most reliable piping system, it is where protective coverings are <br /> essential that the installation crew be familiar with removed from machined surfaces <br /> the joining techniques described in this manual. and ultraviolet exposure exceeds <br /> 16�e <br /> • Proper and safe methods of testing are recommended one day, corrective action must be <br /> to assure the bonded joints in the piping system have taken. <br /> been properly bonded and cured. See pages 12-13 and <br /> 23 Layout <br /> Advance planning of the piping layout can reduce the <br /> JOINING SYSTEMS quantities of material required and will make servicing the <br /> system easier. NOTE: The scarfed containment pipe <br /> The adhesive bond- Pipe-to-Fittings must be positioned over the product pipe before bonding <br /> ed, tapered bell and the product pipe. <br /> spigotjoint is the primary QZ��qD <br /> joining method for 2"-4" Installation Crew Size and Organization <br /> (50 mm-100 mm) pipe- Spigot Bell Each installation is different and requirements change <br /> to-fittings. However, depending on whether the installation is simple(long,straight <br /> T.A.B. (threaded and runs of piping) or complex. Requirements are also affected <br /> bonded) spigots can by pipe size,installation temperature, and similar influences. <br /> be bonded into smooth See Table 2. <br /> tapered fittings. <br /> The T.A.B.jointisthe T.A.B. BIj TABLE 2. Suggested Units of Labor for Installation <br /> primary joining method I Tapering Joint <br /> for pipe-to-couplings. Pipe-to-Couplings Make-up <br /> When combined with Pipe Size Cutting Power Hand Tool Tool Minutes <br /> the adhesive, the me- In. mm Min/Opr <br /> Min/Opr Min/Opr <br /> chanical locking action <br /> 2 50 .5 1.5 0.3 1.0 <br /> promotes positive make <br /> up of the joint and 3 75 .5 1 2.5 1 0.3 2.0 <br /> prevents backout during 4 100 .5 1 3.5 1 0.5 3.0 <br /> adhesive curing. For guidance under specific circumstances, consult your <br /> Pipe is supplied with T.A.B. spigot x T.A.B. spigot ends. FGS Smith Fibercast distributor or representative. <br /> Fittings are manufactured to accept either a tapered spigot <br /> or T.A.B. spigot end of the pipe. Tapers can be made in the <br /> field with tools designed for this purpose(see page 4). Bells Before beginning an installation, it is important <br /> cannot be field made. When a belled end is needed, use a that all crew members be familiar with the installation <br /> sleeve coupling. procedures described in this manual. Review the Red <br /> Thread IIA Installation Checklist with the crew and fill out as <br /> the job progresses. A completed copy should be retained to <br /> 2 <br />