INSTALL_2000 - Laserfiche WebLink

Home Browse Search

SECTION 2 SMITH LAYOUT AND PREPARATION 1.2.1 Inspection 1.2.2 Installation crew size and 1. For most average-size service While handling, storing, and organization stations, a two-worker crew is transporting the pipe, it can some- Each installation is different, and the minimum recommended times incur rough treatment. requirements change depending crew size. is suggested that Therefore,inspect all pipe surfaces on whether the installation is the crew size e be increased as for possible damage to the pipe simple — consisting of long, the pipe diameter increases or wall, spigot,and bell ends. Inspect straight runs—or complex.Requi re- when installingsecondarycon- fittings for any signs of damage. ments are also affected by pipe tainment piping. Damaged sections of pipe must be size, installation temperature, and 2. Organize the crew so that the repaired or cut out and replaced. similar influences. For guidance adhesive is spread on the bond- Damaged fittings must be replaced. for specific circumstances,consult ing surfaces as quickly as pos- If in doubt about damage, contact your Smith Fiberglass Products sible after mixing the adhesive your local Smith Fiberglass Pro- distributor or representative. — particularly in extremely hot ducts distributor or representative. Before beginning any installation, weather. Exposing machined surfaces to it is important that all crew 3. Plan adhesive kit usage so that direct sunlight can result in loss of members be familiar with the the crew won't have to wait joint bonding strength (See Figure installation procedures described while one member goes to get 1.2.1). Because the degree of in this manual. It is also important another kit. weathering, surface degradation, that a "Fiberglass Piping Systems and subsequent effect on bond Installation Checklist for Under- 4. Plan ahead so that a sufficient strength varies greatly depending ground Petroleum Pipe" be number of bonds are available on geographic location and related reviewed by the crew and filled to use up one whole adhesive factors such as cloud cover, sea- out as the job progresses. A com- kit before that kit is mixed. sonal hours of daylight,intensity of pleted copy of the checklist should 5. Make plans that allow for posi- sunlight, humidity, etc., it is diffi- be retained to document that the tive heat curing of all field- cult to place a fixed time limit on installation complies with current made joints by the end of the the acceptable amount of exposure. federal regulations. Installation work day when the ambient Therefore, in all instances where checklists are available from your temperature is below 70° F protective coverings were removed local Smith Fiberglass Products (21° Q. (DS-8000 series adhe- from machined surfaces and ultra- distributor or representative. sives are required for alcohols violet exposure was in excess of Following are general guidelines and alcohol/gasoline mixtures one day,corrective action must be that are applicable to most piping and must be heat cured.) taken. See Paragraph 1.8.1. installations: TABLE 1.2.1 L/ SUGGESTED UNITS OF LABOR FOR INSTALLATION Tapering Pipe Size Cutting Hand Tool Power Tool Joint Make-up (in.) (mm) (min./oper.) (min./oper.) (min./oper.) (minutes) 2 51 1.0 1.0 .5 1.5 3 76 1.5 2.0 1.0 2.0 Figure 1.2. 4 102 2.0 3.0 2.0 3.0 1 5