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Secondary Containment Installation Instructions a S .y .� ..�,�,..,. ,....� ..� C. Fixtures-Saddles with threaded outlets can be at- SECTION 7 tached to the containment pipe to perform the air Supports, Anchors, & Guides test. The installation procedures for containment saddles are the same as for primary saddles in A. Centralizers, Supports, and Guides-Primary cen- Manual No. F6000. Leave the hose clamps in place. tralizers (and anchors) are required for systems with thermal expansion and/or contraction (see D. Leakage Checks-Wear eye protection. During Para. B, Anchors). Spacing of centralizers can be the air test, use soap solutions to check the joint determined from the support spacing information for leaks. During the hydrotest, watch the gauge in Manual No. E5000 (Engineering & Design pressure and inspect the joint for leaks. Make sure Guide) and E5200 (CHEM THREAD Engineering & the gauges are accurate. Design information). DO NOT put centralizers next to containment fittings. As a general rule, the support spacing must be reduced so the cen- READ THIS CAREFULLY* tralizers are located at a maximum distance of SAFETY PRECAUTIONS three times the primary pipe diameter from the primary fitting (see Fig. 10). Note: In all cases, centralizers must be at least 6" away from the As in any system where pressure is employed, end of the containment fitting. adequate safety precautions should be exer- cised. EXERCISE DUE CARE IN INSTALLING AND TESTING THE PIPING SYSTEM. DO NOT ASSUME THE RISK OF INJURY OR PROPERTY DAMAGE. Max.of 3 x D(Nom. Primary Pipe Size) In buried applications, it is suggested that long pipe runs be partially backfilled at various points I. to secure them in place. All joints and connec- - tions should be left exposed for inspection. _- _ In exposed pipe systems,standard pipe guides and Man.E5000 Support Spacing Suppon Spacing hangers will normally be sufficient to restrain the for Primary Pipe for Primary Pipe pipe during testing. Size s=e Note: The light weight, flexibility, and Figure 10 1 elasticity of fiberglass pipe create differ- ent conditions than are present with steel pipe. If a failure should occur while test- For above-ground installations, with or without ing fiberglass pipe with air or gas, the system centralizers, the support spacing for the contain- will be subject to considerable whipping and ment pipe should be based on the larger (contain- other shock-induced conditions due to the sud- ment) pipe. The design temperature change den release of stored energy. The violent ener- should be the greater of the two pipes (primary or gy release can cause personal injury or death to secondary). Use the support and guide spacing personnel in the area and can also cause dam- values from Manual No. E5000 or E5200. age to the pipe or other property. B. Anchors-Containment anchors consist of making SMITH FIBERGLASS PRODUCTS SHALL a positive connection between the primary and NOT BE LIABLE UNDER ANY WAR- containment pipe, then anchoring the contain- RANTY, CONTRACT, OR IN TORT FOR ment pipe to a rigid foundation. ANY RESULTING INJURY TO PERSONNEL OR DAMAGE TO EQUIPMENT, PIPE, OR OTHER PER- Containment anchors are made up of a special SONAL PROPERTY,FOR FAILURE TO FOLLOW primary pipe coupling with support risers ma- THE PROCEDURES AND COMPLY WITH THE chined to match the containment pipe scarf diam- PRECAUTIONS SET FORTH. eter. The containment pipe is joined with a spe- cial short coupling (see Fig. 11). 9