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Preconstruction Services
NSA experienced staff has the capacity in all key preconstruction disciplines to support our client’s strict design schedule while integrating vertically within their organization. Close collaboration and communication between the designer and NSA is coordinated to capture all project scope.
Services include:
Cost Estimating
• Independent Government Estimates
• Independent Technical Reviews
• MII Cost Estimates
• DD1391 Planning Estimates
• Parametric Cost Engineering System
• Form DD1354
Scheduling
• CPM Scheduling
• CSRA Updates
• Integrated Master Scheduling
• Earned Value Analysis
• Resource Loading
Value Management
• Value Engineering Studies
• Cost Schedule Risk Analysis (CSRA)
• Life Cycle Cost Analysis
• Market Surveys / Models

Advisory Services
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NSA’s clients seek identification of risks associated with some of their cost complex program, project, and construction efforts as well as practical, experienced and actionable mitigation tactics.
In response, NSA analyzes prospective and in-process projects for conformance to time, cost and quality objectives on behalf of the project stakeholders.
Our clients have included Federal, Defense, State and Local agencies some of which are listed here: (OGS) Office of General Services, (DOC) Dept. of Corrections, (CAF) Children and Families, (DOD) Dept. of Defense, (GSA) General Services Administration, National Parks Services, (ICE) Immigration and custom enforcement, USCIS, China, Jordan, France and Alstom Power.
With over 25 years of experience and a solid reputation for flexibility and customer responsiveness, NSA’s proven performance demonstrates quick, reliable responses in times of need.

Dedicated Cost, Economic, and Risk Specialists to Augment Your Team
NSA –a woman/minority-owned small business specializing in cost estimating, scheduling, value engineering, and construction management –is a leader in Government construction consulting. To better meet our customer’s changing needs, NSA has established an Expert Services Group (ESG) to augment our core capabilities in cost estimating, scheduling, and value engineering.
Our new business unit will work with our AE partners and Agency clients to provide specialized services that aid in the successful delivery of on cost, on schedule, quality projects. With these services, NSA expands its position as a valuable team member offering our partners unique analysis during the planning and design phase of your project.
Expert Services Group Solutions
NSA Expert Services Group (ESG) boasts more than 100 years of combined experience focusing on Cost, Value, and Risk Management services for Public, Private, and Commercial clients around the world.

Construction Services
Dedicated Cost, Economic, and Risk Specialists to Augment Your Team
NSA –a woman/minority-owned small business specializing in cost estimating, scheduling, value engineering, and construction management –is a leader in Government construction consulting. To better meet our customer’s changing needs, NSA has established an Expert Services Group (ESG) to augment our core capabilities in cost estimating, scheduling, and value engineering.
Our new business unit will work with our AE partners and Agency clients to provide specialized services that aid in the successful delivery of on cost, on schedule, quality projects. With these services, NSA expands its position as a valuable team member offering our partners unique analysis during the planning and design phase of your project.
Expert Services Group Solutions
NSA Expert Services Group (ESG) boasts more than 100 years of combined experience focusing on Cost, Value, and Risk Management services for Public, Private, and Commercial clients around the world.