Quantcast Figure 36. Process Chart and Description: Cross-Section Material Cost Estimate Procedure

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MIL-HDBK-1013/12
<1> For Each Layer: For each layer of material in the
cross-section, repeat <2>, <3>, and <4>. Start with the
Start
layer closest to the attack side of the cross-section and
work toward the protected side. Proceed to <6> when
done.
<2> Determine Layer Cost Factor. Enter the layer's
material type and thickness in the first available row
<1> For Each
Next
under columns (b) and (c), respectively, of the Cross-
Layer:
Section Cost Factor (CSCF) worksheet (see Appendix B
Done
for all worksheets). Use the material type to select a
table from Table 28. Enter the table number in column
<6> Calculate
(d). Go to the appropriate table and obtain the layer
<2> Determine
Cross-Section
cost factor and weight using the layer's thickness. Enter
Layer Cost Factor
Weight
these values in columns (e) and (f), respectively. For
odd thicknesses of material, the analyst may interpolate
between two values or simply use the next larger size.
<7> Calculate
Proceed to <3>.
<3> Does
Cross-Section
No
<3> Does Layer Have an Interlayer? If the current layer is
Layer Have an
Material Cost
bonded to a second layer on the current layer's
Interlayer?
Factor
protected side, proceed to <4>. Otherwise, proceed to
<5>.
Yes
<4> Determine Interlayer Cost Factor. Enter the interlayer
<4> Determine
material type and thickness in columns (g) and (h),
Stop
Interlayer Cost
respectively, of the CSCF worksheet. Use Table 33 and
Factor
Table 34 to obtain cost factors for PVB and urethane,
respectively. If the type of interlayer material is
unknown, use a cost factor of 4.1. Enter the interlayer
<5> Calculate
cost factor in column (i). Proceed to <5>.
Combined Layer
<5> Calculate Combined Layer Cost Factor. Add
Cost Factor
columns (e) and (i) and put their sum in column (j). If
column (i) is blank, put the value from column (e) in
column (j). Proceed to <1>.
<6> Calculate Cross-Section Weight. Sum weights in
column (f). Put the sum in field (k). Put the window
height and width in fields (l) and (m), respectively.
Calculate window area by multiplying fields (l) and (m)
together. Put the window area in field (n). Calculate the
cross-section weight by multiplying fields (k) and (n)
together. Put the cross-section weight in field (o).
Proceed to <7>.
<7> Calculate Cross-Section Material Cost Factor. Sum
cost factors in column (j). Put the sum in field (p).
Enter the number of windows in the facility in field (q).
Calculate the cross-section material cost factor by
multiplying fields (n), (p), and (q) together. Put this cost
factor in field (r). Return to Figure 35.
Figure 36
Process Chart and Description:
Cross-Section Material Cost Estimate Procedure
Table 28
Cross-Section Cost Factor Table Selection
Material
Table
82





 


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