MAGELLAN AMMONIA PIPELINE, L.P. — Hazardous liquid — incident on 2010-07-23

Hazardous liquid incident in PICKRELL, GAGE County, NE. Reported cause: MATERIAL FAILURE OF PIPE OR WELD. Reported consequences: 0 fatalities, 0 injuries, 0.36 HVL OR OTHER FLAMMABLE OR TOXIC FLUID WHICH IS A GAS AT AMBIENT CONDITIONS released, $113,311 reported property damage. Operator-reported incident data submitted to PHMSA, generally within 30 days. Records may be supplemented or corrected and do not represent final agency causal findings.

Report number: 20100179.

Operator ID: 12105.

Reported incident date: 7/23/2010 14:05.

Location detail: 153.4

Cause detail: DESIGN-, CONSTRUCTION-, INSTALLATION-, OR FABRICATION-RELATED

Cause detail: WELDER WAS TACKING A TOR FITTING ONTO THE LINE TO ASSIST IN RELIEVING VAPORS IN THE PIPE AS PART OF THE PROCESS OF EMPTYING CONTENTS OF PIPE IN PREPARATION FOR CONDUCTING A HYDROSTATIC TEST OF THE PIPELINE SEGMENT WHEN THE PIPE BEGAN MOVING AND MAKING A NOISE. THE PIPE SUBSEQUENTLY EMERGED FROM THE EXCAVATED TRENCH AND BOWED, CREAKING A CRACK ON THE BOTTOM OF THE PIPE. THE PIPE SEGMENT WAS REMOVED FROM THE LINE AND SENT FOR METALLURGICAL ANALYSIS. REPAIR WAS MADE BY INSTALLING A NEW PIECE OF PIPE AND THE HYDROSTATIC TEST CONTINUED.

PHMSA trend classification: significant incident, not serious.

PHMSA standardized cause: MATERIAL FAILURE OF PIPE OR WELD — CONSTRUCTION, INSTALLATION OR FABRICATION-RELATED.

PHMSA indexed costs: $163,161 reported total cost, $89,275.814 in 1984 dollars, $219,858.854 in current-year dollars.

PHMSA trend flags, standardized causes, and indexed costs are analytical fields added to operator-reported incident data. They do not represent final agency causal findings.