Document ZBkderXEpz7eN6n1RxONJYv5L

P.L. APPLICATION SECTION V. A-lb 61 OUTER LAYER APPLICATION A PREPARATION 1 Under normal conditions the system shall be heated to or near the operating temperature before the outer layer is applied. 2 All expansion cracks in the 1st layer shall be filled. 2.1 Asbestos rope or wicking is very satisfactory to jam. in the cracks. 3 All voids around hangers, bonnets, nozzles, etc. shall be filled with 450 cement flush with the surface of the 1st layer insulation. 4 Check for and imbed wire twists and band seals that were not imbedded during application of the 1st layer. 4*1 This may be done as the outer layer is being applied. B. POSITION OF JOINTS B 1 LONGITUDINAL JOINTS B 1.1 SECTIONAL COVERING 1.1a The longitudinal joints of outer layer sectional covering shall be on a vertical plane when applied on horizontal pipe as shown in Figure 75A. 1.1b Outer layer sectional covering longitudinal joints on vertical pipe shall be 90 to those of the 1st layer see Figure 75B. FIG. 75A FIG. 75B 1ST. LAY ER NOTE: Under abnormal conditions it may not be possible to attain the maximum stagger as 2sh"o.wn but at no time shall it be less than