2. AL-1816-4231_ACL.pdf

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BPM Cables (Semi Rigid) for ALS-U
Solicitation number
AA-2026-04
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About this file

This is an Acceptance Criteria List (ACL) for SR BPM Jumper Cable components being procured for the Advanced Light Source Upgrade Project at Lawrence Berkeley National Laboratory.

The document establishes quality assurance and acceptance standards for 1,120 low-loss semi-rigid 141 jumper cables designated for the Beam Diagnostics group. The ACL, prepared by Changchun Sun (CAM and Technical Lead) in February 2026, is classified as "High" level of care and has been approved by Jiani Niu (QA Manager). Five acceptance criteria must be verified by the Beam Diagnostics group for each cable: (1) visual inspection confirming correct labeling, no physical damage, and compliance of inspection reports and certifications; (2) length measurement via TDR within ±10 picoseconds tolerance; (3) S21 coefficient measurement via VNA of ≥0.97 with ±0.0015 tolerance at 500 MHz; (4) magnetic permeability verification for cable and connectors with μ ≤1.08; and (5) connector type verification and connector/termination quality measurement via TDR showing no faults. All verification tests reference supporting document AL-1873-9868. The ACL requires documentation of pass/fail results, NCR (NonConformance Report) numbers if applicable, inspector initials, and verification report/inspection data for each criterion tested.

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Advanced Light Source Upgrade Project Lawrence Berkeley National Laboratory

All officially released LBNL documents are watermarked and contain LBNL Document Control Center release information in the lower-left corner of the document's pages.

Printed hard copies of this document are for reference only.

SR BPM Jumper Cable ACL

Release Date: Mar 31 2026 11:17:04 AM PDT

Document Number: AL-1816-4231 Revision: C

Document Status: Released

Document Type: ACCEPTANCE CRITERIA LIST (ACL)

Category Code: AL7001

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Downloaded by: Changchun Sun at April 02, 2026 08:44:04

AL-1816-4231 Rev. C Doc. Status: Released Page 2 of 4

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TABLE OF CONTENTS

1 Revision History2

2 Approvals2

3 Abbreviations and Acronyms2

4 Authorizing Document2

5 Reference2

6 Acceptance Criteria Listing Form3

1 REVISION HISTORY

Rev. CM Number Description of Change A Baseline B Update the length tolerance C Include the review of the inspection report

2 APPROVALS

The following individual(s) shall approve this document:

Approver Project Role Changchun Sun CAM and Technical Lead Jiani Niu QA Manager Windchill Approved / Concurred By jianiniu

3 ABBREVIATIONS AND ACRONYMS

ALS Advanced Light Source QA Quality Assurance

4 AUTHORIZING DOCUMENT

LBNL QA Plan PUB 3111: https://commons.lbl.gov/display/rpm2/Quality+Assurance+Policy

LBNL ALS-U Quality Assurance Plan, AL-1024-3173, https://dcc.lbl.gov/download.php?filename=AL-

1024-3173A.pdf

5 REFERENCE

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6 ACCEPTANCE CRITERIA LISTING FORM

Level of Care : ☐ Very High ☒ High ☐ Medium ☐ Low

Prepared by: Changchun Sun Group: Beam Diagnostics

Email: CCSUN@lbl.gov Location: Lawrence Berkeley National Lab

Phone: 510-486-7710 Date: Feb, 2026

Part Name: Low-loss semi-rigid 141 Quantity: 1,120

Part Number: S/N (if applicable)

NCR Reviewers

Additional Remarks:

Inspect and Test each SR BPM semi-rigid jumper cable ci al ly R el ea se d

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AL-1816-4231 Rev. C Doc. Status: Released Page 4 of 4

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ITE

M

NO.

REQ ID /

DCC doc #

CHARACTERISTIC OR TEST TO

BE CONDUCTED, VERIFIED or

WITNESSED

SUPPORTING

DOCUMENT ID VERIFYING

ENTITY

NonConformance

Report # if NCR exists

PASS / FAIL

DATE

VERIFICATION

REPORT/

INSPECTION DATA

1.

Visual inspection:

Check if the cables are correctly labeled and match specifications

Check there is no damage to the cable

Review the inspection report and certification to ensure their compliance with requirements

AL-1873-9868 Beam

Diagnostics

NCR #: PASS ☐ FAIL ☐

INITIALS DATE

2.

Measure the length with TDR.

The length shall be within +-10 ps

AL-1873-9868 Beam

Diagnostics

3.

Measure S21 coefficient with

VNA. Shall be >= 0.97 and +-

0.0015 at 500 MHz

AL-1873-9868 Beam

Diagnostics

4.

Measure the magnetic permeability for cable and connectors with μ ≤ 1.08

AL-1873-9868 Beam

Diagnostics

45.

Verify connector type. Measure connector and termination quality with TDR. Shall be no fault

AL-1873-9868 Beam

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