DEUWI GD 2017 Initial

NOTICE:This report is required by 49 CFR Part 191. Failure to report can result in a civil penalty not to
exceed 100,000 for each violation for each day that such violation persists except that the maximum civil OMB NO:2137-0629
penalty shall not exceed$1,000,000 as provided in 49 USC 60122. EXPIRATION DATE:1/31/2018
Initial Date 03/15/2018
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Submitted:
U.S Department of Transportation Form Type: INITIAL
Pipeline and Hazardous Materials Safety Administration
Date
Submitted:
ANNUAL REPORT FOR
CALENDAR YEAR 2017
GAS DISTRIBUTION SYSTEM
A federal agency may not conduct or sponsor,and a person is not required to respond to,nor shall a person be subject to a penalty for failure to comply with a collection of
information subject to the requirements of the Paperwork Reduction Act unless that collection of information displays a current valid OMB Control Number. The OMB Control
Number for this information collection is 2137-0629. Public reporting for this collection of information is estimated to be approximately 16 hours per response,including the
time for reviewing instructions,gathering the data needed,and completing and reviewing the collection of information. All responses to this collection of information are
mandatory. Send comments regarding this burden estimate or any other aspect of this collection of information,including suggestions for reducing this burden to:Information
Collection Clearance Officer,PHMSA,Office of Pipeline Safety(PHP-30)1200 New Jersey Avenue,SE,Washington,D.C.20590.
Important: Please read the separate instructions for completing this form before you begin. They clarify the information requested and provide specific
examples. If you do not have a copy of the instructions,you can obtain one from the PHMSA Pipeline Safety Community Web Page at
http✓/www.phmsa.dot.gov/p>�eline/library/forms.
PART A-OPERATOR INFORMATION (DOT use only) 20188802-35955
1. Name of Operator QUESTAR GAS COMPANY
2. LOCATION OF OFFICE(WHERE ADDITIONAL
INFORMATION MAY BE OBTAINED)
2a.Street Address 1140 W 200 S
2b.City and County SALT LAKE CITY
2c.State UT
2d.Zip Code 84104
3.OPERATOR'S 5 DIGIT IDENTIFICATION NUMBER 12876
4. HEADQUARTERS NAME&ADDRESS
4a.Street Address 333 SOUTH STATE STREET
4b.City and County SALT LAKE CITY
4c.State UT
4d.Zip Code 84145
5.STATE IN WHICH SYSTEM OPERATES ID
6.THIS REPORT PERTAINS TO THE FOLLOWING COMMODITY GROUP(Select Commodity Group based on the predominant gas carried and
complete the report for that Commodity Group.File a separate report for each Commodity Group included in this OPID.)
Natural Gas
7.THIS REPORT PERTAINS TO THE FOLLOWING TYPE OF OPERATOR(Select Type of 0peratorbased on the structure of the company
included in this OPID for which this report is being submitted.):
Investor Owned
PART B-SYSTEM DESCRIPTION
1.GENERAL
STEEL
UNPROTECTED CATHODICALLY CAST/ DUCTILE RECONDITION SYSTEM
PROTECTED PLASTIC WROUGHT IRON COPPER OTHER ED TOTAL
IRON CAST IRON
BARE COATED BARE COATED
MILES OF 1.538 49.517 51.055
MAIN
NO.OF 1 2227 2228
SERVICES

2.MILES OF MAINS IN SYSTEM AT END OF YEAR
MATERIAL UNKNOWN 2"OR LESS OVER 2" OVER 4" OVER 8" OVER 12" SYSTEM
THRU 4" THRU 8" THRU 12" TOTALS
STEEL 0 0.054 0.013 1.471 0 0 1.538
DUCTILE IRON 0 0 0 0 0 0 0
COPPER 0 0 0 0 0 0 0
CAST/WROUGHT 0 0 0 0 0 0 0
IRON
PLASTIC PVC 0 0 0 0 0 0 0
PLASTIC PE 0 34.625 12.016 2.877 0 0 49.518
PLASTIC ABS 0 0 0 0 0 0 0
PLASTIC OTHER 0 0 0 0 0 0 0
OTHER 0 0 0 0 0 0 0
RECONDITIONED 0 0 0 0 0 0 0
CASTIRON
TOTAL 0 34.679 12.029 4.348 0 0 51.056
Describe Other Material: Unknown
3.NUMBER OF SERVICES IN SYSTEM AT END OF YEAR AVERAGE SERVICE LENGTH:80
MATERIAL UNKNOWN 1"OR LESS OVER 1" OVER 2" OVER 4" OVER 8" SYSTEM
THRU 2" THRU 4" THRU 8" TOTALS
STEEL 0 1 0 0 0 0 1
DUCTILE IRON 0 0 0 0 0 0 0
COPPER 0 0 0 0 0 0 0
CASTIWROUGHT 0 0 0 0 0 0 0
IRON
PLASTIC PVC 0 0 0 0 0 0 0
PLASTIC PE 0 2171 55 1 0 0 2227
PLASTIC ABS 0 0 0 0 0 0 0
PLASTIC OTHER 0 0 0 0 0 0 0
OTHER 0 0 0 0 0 0 0
RECONDITIONED 0 0 0 0 0 0 0
CASTIRON
TOTAL 0 2172 55 1 0 0 2228
Describe Other Material: Unknown
4.MILES OF MAIN AND NUMBER OF SERVICES BY DECADE OF INSTALLATION
UNKNOWN PRE 1940-1949 1950-1959 1960-1969 1970-1979 1980-1989 1990-1999 2000-2009 2010-2019 TOTAL
1940

MILES OF 0 0 0 0 0 0 0.049 35.279 14.956 0.771 51.055
MAIN
NUMBER
OF 0 0 0 0 0 0 0 1654 366 208 2228
SERVICES
PART C-TOTAL LEAKS AND HAZARDOUS LEAKS ELIMINATED/REPAIRED DURING THE YEAR
MAINS SERVICES
CAUSE OF LEAK
TOTAL HAZARDOUS TOTAL HAZARDOUS
CORROSION FAILURE 0 0 1 0
NATURAL FORCE DAMAGE 0 0 3 2
EXCAVATION DAMAGE 0 0 0 0
OTHER OUTSIDE FORCE 0 0 0 0
DAMAGE
PIPE,WELD OR JOINT FAILURE 0 0 1 1
EQUIPMENT FAILURE 0 0 3 2
INCORRECT OPERATIONS 0 0 1 0
OTHER CAUSE 0 0 0 0
NUMBER OF KNOWN SYSTEM LEAKS AT END OF YEAR SCHEDULED FOR REPAIR:0
PART D-EXCAVATION DAMAGE PART E-EXCESS FLOW VALUE(EFV)AND SERVICE VALVE DATA
1.TOTAL NUMBER OF EXCAVATION DAMAGES BY APPARENT Total Number Of Services with EFV Installed During Year: 31
ROOT CAUSE: 4
Estimated Number Of Services with EFV In the System At End Of Year:
a. One-Call Notification Practices Not Sufficient: 1 261
b. Locating Practices Not Sufficient: 0
Total Number of Manual Service Line Shut-off Valves Installed During
c. Excavation Practices Not Sufficient: 2 Year: 5
d. Other: 1
Estimated Number of Services with Manual Service Line Shut-off Valves
Installed in the System at End of Year: 13
*These questions only pertain to reporting years 2017&beyond.
2. NUMBER OF EXCAVATION TICKETS : 437
PART F-LEAKS ON FEDERAL LAND PART G-PERCENT OF UNACCOUNTED FOR GAS
TOTAL NUMBER OF LEAKS ON FEDERAL LAND REPAIRED OR UNACCODUNTED FOR GAS AS A PERCENT OF TOTAL INPUT FOR
SCHEDULED TO REPAIR: 0 THE 12 MONTHS ENDING JUNE 30 OF THE REPORTING YEAR.
INPUT FOR YEAR ENDING 6/30: 0.37%
PART H-ADDITIONAL INFORMATION
Note: Part G-Percent of Unaccounted for Gas is a system wide measurement(Idaho,Utah,and Wyoming).

PARTI-PREPARER
Tasha Christensen,Engineer [phone]
(Preparer's Name and Title) (Area Code and Telephone Number)
[e-mail]
(Preparer's email address) (Area Code and Facsimile Number)