Attachment 3: Performance Work Statement - Helium Leak Inspection Service

PERFORMANCE WORK STATEMENT (PWS)

Helium Leak Inspections

25 August 2026

Performance Work Statement
TEAD Version: 1 (22JUNE2026)

PERFORMANCE WORK STATEMENT (PWS)

Attachment 1 – Performance Requirements Summary (PRS)
Attachment 2 – Deliverables Schedule and Checklist
Attachment 3 – Surveillance Schedule and Inspection Checklist

Performance Work Statement
TEAD Version: 1 (22JUNE2026)

PERFORMANCE WORK STATEMENT (PWS)

PART 1

GENERAL INFORMATION

1. General Information: This is a non-personal services contract to provide the Government, Tooele Army Depot (TEAD), with Helium Leak Inspection services for fiscal year 2027 on onemetric ton mercury containers. The Government will not exercise any supervision or control over the contract service providers performing the services herein. Such contract service provides shall be accountable solely to the Contractor who, in turn is responsible to the Government.
1.1 Introduction of Services: The Contractor shall provide all personnel, equipment, supplies, facilities, transportation, tools, materials, supervision, and other non-personal services necessary to perform Helium Leak Inspections as defined in this Performance Work Statement (PWS), except for those items specified in Part 3, Government Furnished Property and Services. The Contractor shall perform to the requirements and standards specified in Part 2, Specific Tasks.
1.2 Background: Tooele Army Depot (TEAD) is executing the Strategic Mercury Ton Container Assembly & Testing project, which involves the in-house fabrication of one-metric ton containers. As a critical step in the quality assurance process, each newly fabricated container must undergo a certified non-destructive inspection to verify its structural integrity prior to being certified for shipment and service. TEAD does not possess the organic capability, certified personnel, or specialized equipment to perform the required helium leak testing. Therefore, contractor support is required to meet this mandatory inspection requirement.
1.3 Objectives: The objective of this contract is to acquire certified Non-Destructive Testing (NDT) services to perform helium leak testing and inspections on newly fabricated one-metric ton containers. The expected result is the full safety and quality certification of each container, verifying they are structurally sound and airtight for shipment and their intended service. 1.4 Scope: The Contractor shall perform certified non-destructive helium leak testing and