Racked structures

Main pipe rack structures inside process units 1-2 hours... 

Main pipe rack structures in process units that also support equipment 2-3 hours... 

Pumps handling flammable materials should not be located under pipe racks as an ignited spill could rapidly allow fire to rise and envelop the overhead pipework. Finned-tube, air-cooled heat exchangers, often fan-forced, are frequently mounted above pipe rack structures. 

A rack-like arrangement schematically represented by 160, would be formed by the complexation of several metal ions to rigid, linear sequences of binding sites. Thus, binding of bipy or phen units to 155 and to its extended tri- and tetratopic analogues present in 157 and in 158 via metal ions of tetrahedral coordination such as Cu(l) and Ag(l) should yield rack structures of type 160. With the bipy or phen unit included in a macrocycle, inorganic rotaxane-type structures (see also Section 9.6) such as 159 have been obtained [9.97a]. A linear sequence of connected terpy sites such as 161 yields racks with individual terpy units and metal ions of octahedral coordination [9.97b]. 

Note that block stacking has another advantage flexihUity. Since there is no permanent rack structure, when stacked loads are retrieved (or if the need for storage space decreases over time), the floor space that opens up may be used for other purposes, provided new loads are not stored in the system shortly thereafter. To protect and support the loads at the bottom while avoiding the cost and loss of flexibility associated with a permanent rack, some systems use portable racks, also known as stacking frames, (Figure 17), which are basically self-contained steel units made up of four posts attached to a deck. (An alternative design is a frame that is attached to the pallet itself.)... 

With an increasing desire to utflize the cube well and the availability of Mft trucks that have higher reach, there is a tendency to bmld taller rack structures, especially in regions where land or floor space is very limited. While high cube utilization and going up instead of going out ate appropriate... 

Fig. 7.30 shows that the performance of Kevlar was better with a racked structure on average, even though the highest resistance was exhibited by the jersey stmcture in the coursewise direction. This is due to the accumulation of the yams which makes the... 

The fabrics with two-ply untwisted Kevlar yam and E669 yam were knitted in two different knitted structures. The first set was a jersey fabric and the other one was with a racked structure on the face knitted with Kevlar yam. The results from this fabric in all three directions are shown in Fig. 7.32. 

Four types of racked structure were achieved by using a single design notation lhat is shown in Fig. 7.23. The different racked structures were achieved by racking one set of needle bed (back) by 0,4,6, and 8 positions on each side. The ANOVA analysis on racked structure, irrespective of number of racks, statistically proves that the racked structure increased the average slash resistance values to be over the slash resistance standard pass criteria (Table 7.8). 

Table 7.8 Single factOF ANOVA by slash test direction on racked structure...

Modifications were made to the SARK-1 structure to achieve a special racked structure in one of the faces, results of which are shown in Table 7.10. 

The novel two-layer racked structure SARK-2 passed the standard on both faces of the fabric with an average value of 91.47N on the Kevlar yam face and 108.36N on the WF528 yam face. SARK-2 achieved similar slash performance in all three directions. This indicates that the structure is more or less isotropic with regard to this property. Fig. 7.34 shows some of the products produced by using the patented SARK slash resistant fabric. ... 

Racking structures are implemented and increased warehouse density (e.g., more than 10%), maximizing asset utihzation. 

Analyze and re-design warehouse layout to increase density through the use of different racking structures. The second objective of the layout review is to increase warehouse throughput through the use of more efficient forklifts for... 

Empty slots are available for the placement of newly gen ated bundles A mannrnm of 14 racks can be placed in EBBS in L-Area All bundles currently in HBBS contain three assemblies The rack structures will not M due to corrosion b ore the new racks are installed. 

Collision protection of loading rack structure impacts from the loading container (ship, truck)... 

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