NASA-CEH-APP-L
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Appendix L; Estimating the Cost of Construction of Facilities (CoF) and Ground Support Equipment (GSE)
Appendix L: Estimating the Cost of Construction of
Facilities (CoF) and Ground Support Equipment (GSE)
Estimating facility costs is a specialized type of cost estimating.1 The acquisition and development of real
property is governed by Federal statute, with additional guidance and requirements levied in Office of
Management and Budget (OMB) Circulars, such as A-11 and A-94. NASA directives and requirements,
largely found in the NASA Online Directives Information System (NODIS) as part of the 8800 series of
directives, also provide useful information.
The estimator should work closely with the Center facilities organization to ensure that estimates are
complete and in compliance with these statutes and directives. This appendix provides estimating
techniques and rules of thumb that were developed for application at the Kennedy Space Center (KSC).
The techniques can be used as examples to assist the estimator in collecting and analyzing local data
and as estimating tools and references appropriate for use at each respective installation.
The following topics are described in this appendix:
L.1. CoF and GSE Overview
L.1.1. COF Types and Affected Ground Support Equipment
L.2. Facility Funding Types
L.2.1. Non-CoF Funding
L.2.2. Facility Planning and Design (FP&D) Funding
L.2.3. Phasing of Funds
L.3. Estimating CoF and GSE Projects
L.3.1. Conceptual Parametric Estimates
L.3.2. BOE
L.4. Historical Information
L.4.1. Historical Cost and Schedule Data
L.4.2. Historical Schedule Growth
L.4.3. Historical Cost Growth
L.5. Conclusion
1 G. C. Butts, “Accurate Estimates in Less Than a Minute,” presented at the AACE International Conference, Las Vegas, NV, 2006.
Appendix L
Estimating the Cost of GOP and GSE L-1 February 2015
NASA Cost Estimating Handbook Version 4.0
L1. CoF and GSE Overview
It can be difficult to estimate costs for 00F and GSE due to many factors, including numerous variations
of types, sizes, unique features, site location, site conditions, economic conditions, and local
infrastructure capability. Federal law and NASA Facility Project Requirements, including NASA
Procedural Directive (NPD) 8820.2D, dictate a rigid budget process for CoF projects that requires that
CoF funding requests be submitted years before the design has been completed or final requirements are
known. Figure L-1 captures the funding process. For more specific details on NASA policy and the CoF
process, refer to NPD 8820.2D at http://nodi33.qsfc.nasa.qov/lib docs.cfm?ranqe=8.
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