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