20200811Avista to Staff PR1 Attachment G.PDF

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
penalty shall not exceed $1,000,000 as provided in 49 USC 60122.
OMB NO: 2137-0629
EXPIRATION DATE: 1/31/2018
U.S Department of Transportation
Pipeline and Hazardous Materials Safety Administration
Initial Date
Submitted:02/20/2018
Form Type:INITIAL
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/pipeline/library/forms.
PART A - OPERATOR INFORMATION (DOT use only)20187909-34681
1. Name of Operator AVISTA CORP
2. LOCATION OF OFFICE (WHERE ADDITIONAL
INFORMATION MAY BE OBTAINED)
2a. Street Address 1411 East Mission (PO Box 3727)
2b. City and County Spokane
2c. State WA
2d. Zip Code 99220-3727
3. OPERATOR'S 5 DIGIT IDENTIFICATION NUMBER 31232
4. HEADQUARTERS NAME & ADDRESS
4a. Street Address 1411 East Mission
4b. City and County Spokane
4c. State WA
4d. Zip Code 99220
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 Operator based 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
PLASTIC
CAST/
WROUGHT
IRON
DUCTILE
IRON COPPER OTHER
RECONDITION
ED
CAST IRON
SYSTEM
TOTAL
UNPROTECTED CATHODICALLY
PROTECTED
BARE COATED BARE COATED
MILES OF
MAIN 0 0 0 533.649 1500.825 0 0 0 0 0 2034.474
NO. OF
SERVICES 0 0 0 11874 66453 0 0 0 5 0 78332
Staff_PR_001 Attachment G Page 1 of 4
2.MILES OF MAINS IN SYSTEM AT END OF YEAR
MATERIAL UNKNOWN 2" OR LESS OVER 2"
THRU 4"
OVER 4"
THRU 8"
OVER 8"
THRU 12"OVER 12"SYSTEM
TOTALS
STEEL 0 332.582 117.417 81.340 2.310 0 533.649
DUCTILE IRON 0 0 0 0 0 0 0
COPPER 0 0 0 0 0 0 0
CAST/WROUGHT
IRON 0 0 0 0 0 0 0
PLASTIC PVC 0 0 0 0 0 0 0
PLASTIC PE 0 1092.800 288.182 119.843 0 0 1500.825
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
CAST IRON 0 0 0 0 0 0 0
TOTAL 0 1425.382 405.599 201.183 2.31 0 2034.474
Describe Other Material:
3.NUMBER OF SERVICES IN SYSTEM AT END OF YEAR AVERAGE SERVICE LENGTH: 91
MATERIAL UNKNOWN 1" OR LESS OVER 1"
THRU 2"
OVER 2"
THRU 4"
OVER 4"
THRU 8"OVER 8"SYSTEM
TOTALS
STEEL 304 11379 183 7 1 0 11874
DUCTILE IRON 0 0 0 0 0 0 0
COPPER 0 0 0 0 0 0 0
CAST/WROUGHT
IRON 0 0 0 0 0 0 0
PLASTIC PVC 0 0 0 0 0 0 0
PLASTIC PE 1224 64937 277 12 3 0 66453
PLASTIC ABS 0 0 0 0 0 0 0
PLASTIC OTHER 0 0 0 0 0 0 0
OTHER 5 0 0 0 0 0 5
RECONDITIONED
CAST IRON 0 0 0 0 0 0 0
TOTAL 1533 76316 460 19 4 0 78332
Describe Other Material:UNKNOWN MATERIAL
4.MILES OF MAIN AND NUMBER OF SERVICES BY DECADE OF INSTALLATION
UNKNOWN PRE-
1940 1940-1949 1950-1959 1960-1969 1970-1979 1980-1989 1990-1999 2000-2009 2010-2019 TOTAL
Staff_PR_001 Attachment G Page 2 of 4
MILES OF
MAIN 7.054 0 0 91.035 296.983 130.103 105.335 770.776 481.740 151.448 2034.474
NUMBER
OF
SERVICES
1998 0 0 719 6507 5119 5163 29062 19158 10606 78332
PART C - TOTAL LEAKS AND HAZARDOUS LEAKS ELIMINATED/REPAIRED DURING THE YEAR
CAUSE OF LEAK MAINS SERVICES
TOTAL HAZARDOUS TOTAL HAZARDOUS
CORROSION FAILURE 1 0 1 0
NATURAL FORCE DAMAGE 0 0 34 21
EXCAVATION DAMAGE 23 23 108 108
OTHER OUTSIDE FORCE
DAMAGE 1 1 31 25
PIPE, WELD OR JOINT FAILURE 8 2 21 4
EQUIPMENT FAILURE 4 0 98 2
INCORRECT OPERATIONS 3 1 14 4
OTHER CAUSE 2 1 8 7
NUMBER OF KNOWN SYSTEM LEAKS AT END OF YEAR SCHEDULED FOR REPAIR : 154
PART D - EXCAVATION DAMAGE PART E-EXCESS FLOW VALUE(EFV) DATA
1. TOTAL NUMBER OF EXCAVATION DAMAGES BY APPARENT
ROOT CAUSE: 147
NUMBER OF EFV'S INSTALLED THIS CALENDER YEAR ON SINGLE
FAMILY RESIDENTIAL SERVICES: 1607
ESTIMATED NUMBER OF EFV'S IN THE SYSTEM AT THE END OF
YEAR: 13376
* NUMBER OF MANUAL SERVICE LINE SHUT-OFF VALVES INSTALLED
THIS CALENDAR YEAR ON SINGLE-FAMILY RESIDENTIAL SERVICES:
51
* ESTIMATED NUMBER OF MANUAL SERVICE LINE SHUT-OFF
VALVES IN THE SYSTEM AT END OF YEAR: 477
*These questions only pertain to reporting years 2017 & beyond.
a. One-Call Notification Practices Not Sufficient: 61
b. Locating Practices Not Sufficient: 12
c. Excavation Practices Not Sufficient: 67
d. Other: 7
2. NUMBER OF EXCAVATION TICKETS : 29026
PART F - LEAKS ON FEDERAL LAND PART G-PERCENT OF UNACCOUNTED FOR GAS
TOTAL NUMBER OF LEAKS ON FEDERAL LAND REPAIRED OR
SCHEDULED TO REPAIR: 0
UNACCOUUNTED FOR GAS AS A PERCENT OF TOTAL INPUT FOR
THE 12 MONTHS ENDING JUNE 30 OF THE REPORTING YEAR.
INPUT FOR YEAR ENDING 6/30: 0.41%
PART H - ADDITIONAL INFORMATION
Staff_PR_001 Attachment G Page 3 of 4
Part C - 24 leaks were carried over from 2016: 5 were repaired in 2017, 17 were non-reportable once repaired, and 2 were found not to be gas leaks
once investigated. Part B - Investigations in "UNKNOWN" pipe resulted in an increase to main pipe installed in 1990-1999.
PART I - PREPARER
Brian Schultz,Pipeline Integrity Program Mgr
(Preparer's Name and Title)
[phone]
(Area Code and Telephone Number)
[e-mail]
(Preparer's email address)
[phone]
(Area Code and Facsimile Number)
Staff_PR_001 Attachment G Page 4 of 4