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Primary Piping System Installation AA ?ON, YOUT P TIE�M 1 T t1 ;�7RCTIONS FOR While handling,storing,and transporting the pipe,it � A can sometimes incur rough treatment Therefore,Inspect jRgYIARY Pkt#9C1U PIFFNG all pipe surfaces for possible damage to the pipe wall, spigot,and bell ends. Inspect fittings for any signs of damage. Damaged sections of pipe must be repaired or 1. Proper installation is the key to achieving a highly reliable, cut out and replaced. Damaged fittings must be re- adhesive bonded,matching taper,bell and spigot joint. placed. If in doubt about damage,contact your local 2. Matching taper angles on spigot and bell ends make it Smith Fibercast distributor or representative. possible to lock-up a joint by wedging the spigot into the Exposing machined surfaces to direct sunlight will result in bell so that it takes significant force to separate them. loss of joint bonding strength. Because the degree of weath- Proper lock-up is essential. ering,surface degradation,and subsequent effect on bond 3_ A very thin line of adhesive(called the bond line or glue strength varies greatly depending on geographic location and line)between the two matching tapered surfaces is a n- related factors such as cloud cover,seasonal hours of day- tial to achieve optimum joint strength. light,intensity of sunlight,humidity,etc.,it is difficult to place 4. Cool weather installations require different bonding proce- a fixed time limit on the acceptable amount of ex- dures from warm weather installations. posure. Cover exposed areas of pipe and fit- l/ 5. Proper installation results in joint strength equivalent to or tings to protect from UV damage.In all in- � stronger than most piping systems. stances where protective coverings are 6. To achieve the most reliable piping system,it is essential removed from machined surfaces that the installation crew be familiar with the joining and ultraviolet exposure exceeds techniques described in this manual.Note especially one day, corrective action pages 5-11. must be taken. 7. Proper and safe methods of testing are recommended to assure that the bonded joints in the piping system have A. Layout been properly bonded and cured.See pages 13-14 and Advance planning of the piping layout is essential.It will make 25. servicing the system easier and can reduce the quantities of ma- terial required. OTE:The scarfed containment pipe must be positioned over the product pipe before bonding the I S'yS p uct pipe. MS See page 5 for detailed information on piping layout. The adhesive bonded,tapered bell and spigot joint is the B. Installation Crew Size and Organization primary joining method for Each installation is different,and requirements change de- 2"-4" (50 mm-100 mm) Pipe-to-Fittings pending on whether the installation is simple—consisting of pipe-to-fittings.However, long,straight runs—or complex. Requirements are also affect- T.A.B. spigots can be ed by pipe size, installation temperature,and similar influ- bonded into smooth ta- ences. See Table 2. pered fittings. The T.A.B. (threadedSpigot Bell TABLE 2.Suggested Units of Labor for Installation 'D and bonded)joint is the primary joining method for Tapering pipe-to-couplings. The Pipe Cutting Hand Tool Power Tool Joint mechanical locking ac- Size min./ min.( min./ Make-up tion—when combined with y q B Bell (in./mm) open. oper. oper. (minutes) the adhesive—promotes positive make-up of the 2 50 .5 1.5 0.3 1.0 joint and prevents Pipe-to-Couplings 3 75 .5 2.5 0.3 2.0 backout during adhe- sive curing. 4 100 .5 3.5 1.5 3.0 Pipe is supplied with T.A.B. spigot x For guidance under specific circumstances,consult your T.A.B.spigot ends. Smith Fibercast distributor or representative. Fittings are manu- factured to accept ei- Before beginning any installation,it is important that all ther a tapered spigot or crew members be familiar with the installation procedures de- T.A.B.spigot end of the scribed in this manual. It is also important that a Smith pipe. Tapers can be made in the field with tools specially de- Fibercast Red Thread®IIA Installation Checklist be reviewed signed for this purpose(see page 4). Bells cannot be field- by the crew and filled out as the job progresses. A completed made.When a belled end is needed,use a sleeve coupling. copy of the checklist should be retained to document that the RED THREAD iIA Pipe & Fittings — 2