THE WELCH COMPANY
440 Davis Court #1602
San Francisco, CA 94111-2496
415 781 5700
S U M M A R Y
DIARY: August 18, 1994 08:13 AM Thursday;
Rod Welch
Progress meeting with CDWR in Sacramento on Coastal Branch Pipeline job.
1...Summary/Objective
2...Follow Up
3...Schedule Delay
4...PG&E Start Dates
5...Schedule Interface with CDWR
6...Schedule Delays - Obtaining Right of Ways
7...PG&E Standard Language for R/W
8...Schedule Delay - Within Contract Targets
9...Devils Den, Bluestone, Polonio Interconnection
10...Schedule Delay - Within Contract Targets
11...SLO Hydro Interconnection
12...Schedule Delay - Extends Contract Target
13...Casmalia Plant Interconnection
14...Possible Permit Delays - Post 1996 Construction
15...Lizard Protection
16...Transfer Trip Equipment Requirements
17...Additional Easements Needed
18...Stress Voltages Across Pipe Coating
19...Mitigation
20...Obtaining Information
..............
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CONTACTS
0201 - Calif. Dep Water Resources
020101 - Ms. Lori Brown, Electrical Engineer
020102 - Project Manager PG&E Contract, Coastal Branch, Phase II =916 653 9849
020103 - Power Contracts
020104 - Mr. Dan Herdocia; =916 653 9677; Power Contracts
020105 - Mr. Ed Hills; =916 653 8374; Planning Division
020106 - Mr. Chuck Vogelsang; =916 653 5930; Planning Division
020107 - Mr. Bob Goad; =916 653 8136; Electrical Design
020108 - Mr. Om Lakhotia; =916 653 3313; Electrical Design
020109 - Mr. Gerry Weldon; =916 657 5224; Cadastral Surveys
020110 - Mr. Mike Rumsey; =916 653 6662; Cadastral Surveys
020111 - Mr. Steve Burke; =916 653 1337; Corrosion Engineering
020112 - Mr. Ramon Murillo; =916 653 6133; O & M Comm Br
020113 - Mr. Don Tribble; =916 653 1292; Plant Operations
0202 - Pacific Gas & Electric Company 415 973 6778 fax 8426
020201 - Mr. Bill DeHart, PMP
020202 - Senior Project Manager, Room 1183B-V11C =415 973 5655; Transmissions Systems
0203 - PG&E Transm Sys Contracts 415 973 3872 fax 972 0871
020301 - Mr. Kevin Coffee
020302 - Electrical Engineer, Rm 2334 Mail Code B23A =415 973 3872
020303 - Transmission Contracts =415 972 0871 (fax)
0204 - PG&E Trans Sys Engineering 415 973 0399
020401 - Mr. Jivat Gidvani
020402 - Rm 580, Mail Code F5C =415 223 3877
020403 - Ms. Maria P. Ly; =415 973 0399
0205 - PG&E Tech & Ecological Svcs 510 866 5840 fax or 800...
020501 - Ms. Mary E. Boland; Associate Wildlife Biologist =510 866 5840
020502 - Mr. Jim Smith; =510 866 5828
0206 - PG&E Building & Land Svcs. 415 973 8273 fax or 800...
020601 - Mr. Robert Masuoka; Room 2027, Mail Code H21A =415 973 8273
0207 - PG&E Fresno Office 209 821 5000
020701 - Mr. Michael D. Grinstead; =209 263 5247
020702 - Building & Land Services =Telephone/fax
020703 - Mr. Jeff Little; =209 263 5241
020704 - Reg Land Department =Telephone/fax
0208 - The Welch Company 415 781 5700
020801 - Mr. Rod Welch
SUBJECTS
Central Coast Aqueduct, PG&E
Meetings: 940818 Sacramento with CDWR
Project Status
Follow Up Action Items
0606 - ..
0607 - Summary/Objective
0608 -
060801 - Follow up ref SDS 1 0000,
060802 -
060803 - Received meeting agenda, ref DRT 2 line 10.
060804 -
060805 - CDWR explained status of pipeline construction. Work has been delayed
060806 - by fires in recent weeks. Environmental issues seem to be on track.
060807 - Attention is needed on easements and permits. PG&E needs design
060808 - information on the pipeline project, to complete its engineering.
060809 - PG&E's schedule has slipped about 2 months. PG&E reported that con-
060810 - tinued coordinator support by CDWR will help meet contract budget and
060811 - schedule objectives.
060812 -
060813 -
060814 - ..
060815 - Follow Up
060816 -
060817 -
060818 - 1. CDWR will submit design information on pumping plants within 2
060819 - weeks, so PG&E can complete its engineering.
060820 -
060821 - [This was done at ref SDS 6 line 225.]
060822 -
060823 - 2. CDWR will submit the construction schedule for the pipeline
060824 - work, to PG&E.
060825 -
060826 - [This was done at ref SDS 7 line 129.]
060827 -
060828 - 3. PG&E will incorporate CDWR schedule data into the schedule for
060829 - the PG&E work to show controlling activities. This will be
060830 - submitted to CDWR via transmittal letter, per Lori's request.
060831 -
060832 - [This was done and reviewed with CDWR at ref SDS 10 line 79.]
060833 -
060834 - ..
060835 - 4. CDWR will add an activity to its project schedule to
060836 - obtain easements and permits required to construct the
060837 - transmission lines under the PG&E contract.
060838 -
060839 - [Followed up at ref SDS 10 line 368.]
060840 -
060841 - 5. PG&E will adjust its schedule to reflect the completion of the
060842 - activity on CDWR's schedule for obtaining easements and permits.
060843 -
060844 - [Followed up at ref SDS 10 line 321.]
060845 -
060846 - 6. CDWR will advise PG&E if its schedule needs to be accelerated
060847 - to meet revised requirements.
060848 -
060849 - 7. PG&E will submit to CDWR its standard language for easements so
060850 - CDWR can use it in obtaining easements that will enable PG&E to
060851 - avoid delays in performing the work.
060852 -
060853 - [This was followed up by PG&E adding task DD0F for developing
060854 - easement language, to the job schedule, at ref SDS 9 line 68.]
060855 - ..
060856 - 8. PG&E will advise CDWR of findings with respect to
060857 - environmental and permit issues in the event construction is
060858 - performed after Dec 31, 1995. [GO 131-D]
060859 -
060860 - [PG&E reported to CDWR on this at ref SDS 10 line 309 and
060861 - on completing after Jan 1, 1996, ref SDS 10 line 250.]
060862 -
060863 -
060864 - 9. CDWR will provide an addendum to the Fish & Game Department's
060865 - biological opinion, that will permit PG&E to carry on construc-
060866 - tion activity outside of the lizard protection fence that is
060867 - needed to perform the work.
060868 -
060869 - [Followed up in part at ref SDS 12 line 63.]
060870 -
060871 - ..
060872 - 10. PG&E will submit a letter to CDWR requesting clarification
060873 - of lizard protection measures.
060874 -
060875 - [This was followed up at ref SDS 12 line 55.]
060876 -
060877 - 11. PG&E will submit plans and reports on cultural resources to
060878 - CDWR by Oct 1, 1994.
060879 -
060880 - [CDWR reports on "cultural resources," line 591 below, and PG&E
060881 - submits EIR data to CDWR by 941001, per line 574 below.]
060882 -
060883 - [This was followed up at ref SDS 12 line 55; and at ref SDS 13
060884 - line 47.]
060885 -
060886 - 12. CDWR will determine if the FAA permit includes "underbuild"
060887 - activity within the Transmission line area.
060888 -
060889 - [Includes getting Santa Barbara permit, followed up at ref SDS
060890 - 10 line 451. Both matters are resolved per ref SDS 14 line 394
060891 - also at ref SDS 14 line 467.]
060892 - ..
060893 - 13. CDWR will advise PG&E if there is adequate space in
060894 - currently planned facilities to accommodate PG&E's need for a
060895 - Control Room at the SLO Hydro plant.
060896 -
060897 - [This appears to have been resolved by Jivat's memo at ref SDS 4
060898 - line 181.]
060899 - ..
060900 - 14. PG&E will submit power requirements for Control Room to
060901 - CDWR.
060902 -
060903 - [On 940824 this task was performed. ref SDS 3 RM62
060904 -
060905 - [On 940901 this task was reported complete. ref SDS 5 ZC61
060906 -
060907 - 15. CDWR and PG&E will investigate easement options for the transfer
060908 - trip communication lines.
060909 -
060910 - [This was followed up at ref SDS 4 line 135.]
060911 - ..
060912 - 16. CDWR will submit design information requested by PG&E, to
060913 - com- plete the induction study, including pipe coating spec.
060914 -
060915 - [This was followed up at ref SDS 11 line 38, still need info]
060916 -
060917 - 17. PG&E will submit to CDWR results of the induction study, within
060918 - 60 days following receipt of design information from CDWR, under
060919 - item 16, so mitigation can be designed and constructed on the
060920 - pipeline project.
060921 -
060922 - [This was followed up at ref SDS 11 line 38.]
060923 -
060924 -
0610 -
SUBJECTS
Project Status, CDWR
Interface PG&E with CDWR Activities
CDWR Coastal Branch, Phase II
1006 - Summary/Objective
1007 -
100701 - CDWR staff reported that:
100702 -
100703 - Fires have burned sections of the project area.
100704 -
100705 - Excavation is underway at Bluestone.
100706 -
100707 - Access road to tank 1 is paved.
100708 -
100709 - Addendum #4 covers EIR (received today, ref DRT 1 line 10).
100710 -
100711 - 70 lizards have been relocated.
100712 -
100713 -
1008 -
SUBJECTS
Transmission Line Design, PG&E
Project Status, PG&E
Survey Transmission Line
1906 - ..
190601 - Bill DeHart reported that:
190602 -
190603 - The design for the transmission line for Arco substation is 50%
190604 - complete.
190605 -
190606 - Design for work on the Coastal side, has not yet begun.
190607 -
190608 - Jivat Gidvani was introduced as the new engineer to design the
190609 - substations. He has been on board for the past month.
190610 -
190611 -
190612 - Jeff Little said that survey for the transmission line from Arco
190613 - substation to Devils Den substation is complete.
190614 - ..
190615 - Jeff said PG&E is being delayed by lack of access to the SLO
190616 - transmission line being provided by CDWR.
190617 -
190618 - PG&E will be surveying the San Luis Obispo plant the week of Aug
190619 - 29.
190620 -
190621 -
190622 - Bob Masuoka said PG&E will be doing survey work next week. The fire
190623 - delayed PG&E's progress last week.
190624 -
190625 -
190626 -
190627 - ..
190628 - Schedule Delay
190629 -
190630 - Bob Masuoka said PG&E needs design drawings from CDWR for all of the
190631 - pumping plants in the project, that show finish grades and elevation
190632 - plans.
190633 -
190634 - Jeff said PG&E's engineering (task 1.1.4 which is not yet critical)
190635 - is being delayed by not having this information.
190636 -
190637 - Lori said CDWR will submit this to PG&E. She indicated that
190638 - Terry Becker has advised that this information will be submitted
190639 - to PG&E within 2 weeks.
190640 -
190641 - [This was done at ref SDS 6 line 219.]
190642 -
190643 -
1907 -
1908 -
1909 -
SUBJECTS
Project Status, PG&E (Including Schedule)
PG&E Controls, Schedule, General, Interface with CDWR Activities
RW & Permission to Enter Property, by CDWR
PG&E Start Dates, Start Dates
Schedule Delays; Permits, G.O. 131 D
3708 -
370801 - Bill DeHart submitted PG&E Schedule dated Aug 17, 1994, ref DIT 2 line
370802 - 10.
370803 -
370804 -
370805 - ..
370806 - PG&E Start Dates
370807 - Schedule Interface with CDWR
370808 -
370809 - Lori Brown said PG&E should submit a letter to CDWR setting out the
370810 - work on the pipeline and other management tasks that CDWR must
370811 - complete in order for PG&E to perform its work and meet the target
370812 - completion dates.
370813 -
370814 - ..
370815 -
370816 - Bill asked that CDWR submit its current construction schedule to PG&E
370817 - so PG&E's schedule can be modified show activity interfaces. PG&E
370818 - will then submit the updated schedule to CDWR.
370819 -
370820 - Lori said CDWR will do this.
370821 -
370822 - [This was done at ref SDS 7 line 129.]
370823 -
370824 - ..
370825 - Schedule Delays - Obtaining Right of Ways
370826 -
370827 - Mike Rumsay, CDWR Right of Way Engineering Group, said CDWR needs to
370828 - begin work on obtaining easements now in order to avoid delaying
370829 - PG&E's work. He said CDWR's project schedule does not have an
370830 - activity to accomplish this scope.
370831 -
370832 - Lori asked what can be done to avoid this delay?
370833 -
370834 - There was discussion that delay can be avoided or at least
370835 - mitigated, if adequate staff can start work immediately.
370836 -
370837 - Jeff Little said PG&E needs information today from CDWR in order to
370838 - complete preparation of legal descriptions to submit to CDWR so
370839 - they can obtain easements.
370840 - ..
370841 - After the meeting, Don Kurosaka briefly joined a post-meeting
370842 - discusson. Lori explained this problem.
370843 -
370844 -
370845 - ..
370846 - PG&E Standard Language for R/W
370847 -
370848 - Jeff asked that PG&E's standard language be used for obtaining
370849 - easement rights from property owners. This will expedite construction
370850 - and so reduce the impact of other delays.
370851 -
370852 -
370853 -
370854 - ..
370855 -
370856 - Schedule Delay - Within Contract Targets
370857 - Devils Den, Bluestone, Polonio Interconnection
370858 -
370859 - Bill explained the new schedule shows more detail for tasks 1.1.6 and
370860 - 1.1.7 to accommodate the requirement for ecological preservation steps
370861 - (e.g. taking inventory of lizard population).
370862 -
370863 - This results in a target completion of Sep 18, which is within the
370864 - Oct 1, 1995 Agreement target date (section 6.1 p. 20:23).
370865 -
370866 - The schedule shows that task 1.1.1,
370867 -
370868 - Acquire R/W by CDWR
370869 - Review by PG&E
370870 -
370871 - ....is critical, consistent with CDWR's report today. Therefore,
370872 - attention is needed to avoid critical delay.
370873 -
370874 -
370875 -
370876 -
370877 - ..
370878 - Schedule Delay - Within Contract Targets
370879 - SLO Hydro Interconnection
370880 -
370881 - Bill pointed out the impact on PG&E's schedule task as a result of
370882 - adding task 2.1.2:
370883 -
370884 - Obtain R/W & Permission to
370885 - enter property (by CDWR)
370886 -
370887 - ...caused by delay in obtaining property access. It has extended
370888 - completion of task 2.1.12 "Construction" to Dec 7, from Oct 19,
370889 - 1995, as previously reported to CDWR.
370890 -
370891 - This results in a target completion of Dec 12, which is within the Feb
370892 - 2, 1996 contract target date (section 6.1 p. 20:25). Note that since
370893 - task 2.1.2 is critical, attention is needed to avoid further delay.
370894 - ..
370895 - Lori Brown said this delay is acceptable to CDWR because this
370896 - portion of the project work does not need to be energized until
370897 - February 1996.
370898 -
370899 - Lori will investigate to confirm this understanding, and advise
370900 - PG&E if earlier completion is required.
370901 -
370902 -
370903 - Some delay occurred because CDWR was required to obtain a court order
370904 - granting permission for PG&E to perform its work on the Regetti
370905 - property. The order was issued the week prior to the meeting today.
370906 -
370907 -
370908 -
370909 - ..
370910 - Schedule Delay - Extends Contract Target
370911 - Casmalia Plant Interconnection
370912 -
370913 - Bill pointed out the impact on PG&E's schedule task as a result of
370914 - delay in completion of task 3.1.1:
370915 -
370916 - Preliminary Pipeline Design
370917 - by CDWR
370918 -
370919 - ...caused by delay in obtaining the "Preliminary Pipeline design
370920 - from CDWR. This has extended completion of task 3.1.9 "Construc-
370921 - tion" to Feb 1, 1996, from Nov 2, 1995, as previously reported to
370922 - CDWR.
370923 - ..
370924 - This results in a target completion of Feb 5, 1996 for task 3.3,
370925 - which extends the Dec 1, 1995 Agreement target date (section 6.1 p.
370926 - 20:24).
370927 -
370928 -
370929 -
370930 - ..
370931 - Possible Permit Delays - Post 1996 Construction
370932 -
370933 - Bill noted that extending construction into 1996, as presently sched-
370934 - uled, may require new and additional permitting tasks arising from new
370935 - environmental regulations, that could further delay the project (per
370936 - General Order 131-D, Agreement section 6.9 p. 10:28).
370937 -
370938 - If such environmental requirements exist, then CDWR will notify PG&E
370939 - if it should accelerate the work or otherwise modify the schedule with
370940 - respect to this matter.
370941 -
370942 - Kevin Coffee asked Bob Masuoka to investigate through PG&E's Law
370943 - Department, these requirements to assist CDWR in evaluating any action
370944 - to take. It is expected that this will not become a serious issue, in
370945 - that additional permitting will not be required, or if required, can
370946 - be accomplished in a way to avoid delaying PG&E's work.
370947 - ..
370948 - PG&E will apprise CDWR of its research.
370949 -
370950 -
370951 -
370952 -
3710 -
SUBJECTS
Environmental Documentation, DWR
PG&E Work Outside Fenced Areas
Land, Environmental Protection
CDWR Coordinator for PG&E - Lori Brown
Technical & Ecological Services (TES), Mary
Environmental Protection
4209 - Summary/Objective
4210 -
421001 - CDWR distributed ref DRT 1 line 10:
421002 -
421003 - Final Environmental Impact Report
421004 - Addendum 4
421005 - State Water Project
421006 - Coastal Branch, Phase II
421007 - And Mission Hills Extension
421008 - Department of Water Resources
421009 - August 1994
421010 -
421011 - ...it contains a transmittal from Kathlin R. Johnson, dated August
421012 - 1, 1994 to "All Interested Parties."
421013 -
421014 - There was no specific review or reference made to this document during
421015 - the meeting.
421016 -
421017 -
421018 -
421019 - ..
421020 - Lizard Protection
421021 -
421022 - Bob Masuoka is concerned about protection requirements where PG&E's
421023 - work will occur outside the protection fence.
421024 -
421025 - Lori Brown said CDWR has issued some instructions on this matter
421026 - from Carol Nelson on Jul 15, 1994.
421027 -
421028 - Chuck Vogelsang, CDWR Planning Division, said Fish & Game
421029 - department is issuing an addendum to its biological opinion,
421030 - that will accommodate PG&E's need for access to areas outside
421031 - the fence to construct the work.
421032 -
421033 - [This was followed up in part at ref SDS 12 line 106.]
421034 -
421035 -
421036 - ..
421037 - Jim Smith asked if Lizard protection fences are needed at Kecks
421038 - Road to Devils Den?
421039 -
421040 - Chuck said fences are not needed for this location.
421041 -
421042 -
421043 -
421044 -
421045 - Jim asked what information PG&E should submit to CDWR on its
421046 - construction practices.
421047 -
421048 - Chuck asked that PG&E submit a letter to CDWR explaining typical
421049 - construction activity required to perform the work.
421050 -
421051 - ..
421052 - Mary will draft a letter for Bob Masuoka's signature.
421053 -
421054 - [Followed up at ref SDS 12 line 185.]
421055 - ..
421056 - Jim Smith noted that April 15, 1995 is the expected date for
421057 - lizards to come out of hibernation, and this may impact
421058 - pre-construction environmental surveys.
421059 -
421060 - Chuck indicated this can be accommodated.
421061 -
421062 -
421063 -
421064 -
4211 -
SUBJECTS
Distribution Line Design, PG&E
Environmental Documentation, DWR
San Luis Obispo 115 KV Tie Line
Land Surveys
Permits; FERC, FAA
Cultural Resource & Biological Pre
5709 - ..
570901 - Lori Brown said PG&E must complete and submit to CDWR all
570902 - environ- mental work by October 1, 1994.
570903 -
570904 - This includes environmental work on the distribution and transmis-
570905 - sion lines to Guadalupe.
570906 -
570907 - [This was followed up at ref SDS 12 line 107.]
570908 -
570909 -
570910 - Jim Smith asked about the schedule to complete Distribution service to
570911 - Guadalupe?
570912 -
570913 - Lori said CDWR will advise on the status of staking.
570914 -
570915 -
570916 - ..
570917 - Lori said CDWR is preparing plans and reports on Cultural
570918 - resources, Historical Preservation Treatment Plan (HPTP) that will be
570919 - submitted to PG&E.
570920 -
570921 - [This was done at ref SDS 13 line 47.]
570922 -
570923 -
570924 - A FERC permit is needed for the SLO Hydro Plant.
570925 -
570926 -
570927 - Bob Masuoka said an FAA application included "underbuild" information
570928 - for the Distribution System.
570929 -
570930 - CDWR will investigate whether the FAA application for the
570931 - transmission line includes or covers a distribution capability and
570932 - telephone lines that occur within the transmission line.
570933 - ..
570934 - Bill DeHart said this will add 60 days to PG&E's schedule,
570935 - if further FAA notice is required.
570936 -
570937 - Lori Brown said the FERC permit for "Facilities" may include the
570938 - transmission line.
570939 -
570940 - [This seems to be resolved per ref SDS 14 line 394.]
570941 -
5710 -
SUBJECTS
Land Acquisition, DWR
Casmalia Hills 115 KV Tie Line
Permits, Construction, County of Santa Barbara
6106 -
610601 - Bob Masuoka said the County of Santa Barbara may challenge PG&E on
610602 - permits. He said PG&E has not worked with this County since a new
610603 - ordinance was issued that effects construction activity.
610604 -
610605 - CDWR will send a letter to the County of Santa Barbara giving
610606 - notice of PG&E's work, per Agreement section 6.8 p. 10:22.
610607 -
610608 - [This was followed up at ref SDS 14 line 467.]
610609 -
610610 -
6107 -
SUBJECTS
Communications
Drawings from CDWR
Phase Rotation
6506 -
650601 - Jivat Gidvani discussed a single line diagram received from CDWR,
650602 - noting it does not show phase rotation.
650603 -
650604 - Om Lakhotia said PG&E should match CDWR's phase rotation: ABC.
650605 -
650606 -
650607 - Jivat said he needs clearer drawings from CDWR. He showed drawings
650608 - received from CDWR and noted they are too faded to interpret
650609 - accurately.
650610 -
650611 - Lori Brown said CDWR will provide the drawings PG&E needs to
650612 - perform its work.
650613 -
650614 - [This is action item 14, and was performed at ref SDS 5 line 305.]
650615 -
650616 -
650617 -
650618 -
6507 -
SUBJECTS
Communications
Engineering, SLO Hydro Plant, Control Room Facilities
Transfer Trip
7206 - ..
720601 - Jivat submitted to Lori Brown a list of questions with 2
720602 - sketches attached, he prepared for the meeting this morning,
720603 - ref DIT 2 line 9. It has a title:
720604 -
720605 - San Luis Obispo Hydro Plant
720606 -
720607 - Jivat explained the drawing he prepared showing a "Building Plan" on
720608 - sheet 2 of 2, that meets PG&E requirements for control room facilities
720609 - at CDWR switchyard.
720610 -
720611 - PG&E needs permanent access to maintain its equipment, per Agreement
720612 - section 8.1 page 13 issued on 940729. This is set out in note 1 of
720613 - Jivat's document submitted today, ref DIT 2 line 11.
720614 - ..
720615 - Bill DeHart suggested constructing a separate PG&E control room
720616 - along the switchyard fence with a door to the outside of the
720617 - switchyard, so PG&E need not enter switchyard in order to service the
720618 - control room.
720619 - ..
720620 - Lori Brown asked if PG&E could use space in facilities currently
720621 - planned to be constructed by CDWR for project operations? CDWR would
720622 - provide PG&E a key to access entryways needed to service PG&E
720623 - equipment installed in CDWR facilities.
720624 - ..
720625 - CDWR feels currently planned facilities may need to be expanded
720626 - in order to accommodate PG&E requirements.
720627 -
720628 - CDWR will investigate the design of their currently planned facilities
720629 - to see if there is enough space for PG&E's control room requirements,
720630 - as shown in Jivat's sketch, ref DIT 2 line 9.
720631 -
720632 - CDWR can provide 4/5 circuits; however they need ac and dc power
720633 - requirements for PG&E's equipment that will be installed in the
720634 - Control Room.
720635 -
720636 - [This information was submitted to CDWR at ref SDS 3 line
720637 - 72.]
720638 - ..
720639 - Bill DeHart said PG&E is willing to share space, provided it is
720640 - adequate for the work to be done, and PG&E has permanent, immediate
720641 - and direct access to PG&E's equipment.
720642 -
720643 - If CDWR provides space, PG&E will install the equipment, and will
720644 - need CDWR's drawings of the space provided, to design, plan and
720645 - construct its work.
720646 -
720647 -
720648 -
720649 -
7207 -
SUBJECTS
Engineering, SLO Hydro Plant
Control & Protection Scheme, Transfer Trip
Telecommunications
Power Line Easement Assignments
8007 -
800701 - ..
800702 - Transfer Trip Equipment Requirements
800703 -
800704 - Om Lakhotia said CDWR did not know that PG&E needs space for transfer
800705 - trip equipment in the SLO control room.
800706 -
800707 - Jivat said PG&E needs a dedicated data line for the transfer trip
800708 - system and there is a similar requirement for commercial phone lines.
800709 -
800710 - CDWR will advise PG&E if there is any communication switch in their
800711 - current design. CDWR will also advise on what analog signals for
800712 - power flows and voltage signals, are available.
800713 -
800714 -
800715 - ..
800716 - Additional Easements Needed
800717 -
800718 - CDWR rep said it is not good practice for the phone lines that service
800719 - the transfer trip system, to be co-located with the transmission line,
800720 - because if the transmission fails, it could damage the communication
800721 - line needed to shut down the power plant.
800722 -
800723 - Under this design consideration, CDWR needs to obtain additional
800724 - easements for the transfer trip system communication line.
800725 -
800726 -
800727 - Lori Brown asked if the San Luis Obispo power plant required transfer
800728 - trip protection equipment? She asked if this capability is necessary
800729 - for the SLO Hydro plant?
800730 - ..
800731 - Don Tribble with CDWR said that PG&E's design for transfer trip
800732 - capability at the SLO Hydro Plant is correct, because this
800733 - installation creates a 3 terminal network.
800734 -
800735 -
800736 -
800737 -
800738 -
8008 -
SUBJECTS
Procedures, Communications Between CDWR & PG&E
Monthly Progess Meetings
Planning & Scheduling
8406 -
840601 - PG&E intends to meet with its project team at least monthly to assess
840602 - progress internally.
840603 -
840604 - Monthly meetings with Lori Brown and the CDWR team, would greatly
840605 - assist PG&E in performing the contract with CDWR.
840606 -
840607 -
840608 -
840609 -
840610 -
8407 -
SUBJECTS
Transmission Line Engineering - Induction & Gounding Study
Steady State
Safety (Touch Voltage)
Pipeline coating integrity
8807 -
880701 - Maria Ly with PG&E explained status of modeling study PG&E has
880702 - performed for steady state condition.
880703 -
880704 - Study was predicated on 630 amps because that is the maximum
880705 - capacity of the transmission line. The analysis based on currently
880706 - planned separation (minimum 50') and line height conditions, shows
880707 - the maximum induced voltage onto the pipeline will be 20 - 25
880708 - volts. Current standards and practices indicate this is acceptable
880709 - for steady state touch potential.
880710 -
880711 - She noted that normal loads under project design objectives will be
880712 - approximately 350 amps, and so it would be expected that the actual
880713 - voltage induced onto the pipeline will be lower.
880714 - ..
880715 - Maria pointed out that papers have been published in other
880716 - juris- dictioins (e.g. Germany, possibly France) which discuss the
880717 - impact of steady state induced voltages on cathodic protection and
880718 - accel- erated pipeline coating deterioration. PG&E has not made a
880719 - deter- mination on the technical merits of such published papers
880720 - nor per- formed any analysis of this matter. Maria provided a copy
880721 - of the following paper to Steve Burke, CDWR's Corrosion Engineer:
880722 -
880723 - AC-Induced Corrosion on Cathodically
880724 - Protected Pipelines
880725 - by: W. Prinz
880726 -
880727 - Publication & Date: Unknown
880728 -
880729 -
880730 -
8808 -
SUBJECTS
Transmission Line Engineering - Grounding Study
Fault Condition
Contract, Controls, Scope, Induction, Mitigation
Safety (Touch Voltage)
Pipeline Coating Integrity
Mitigation
9609 -
960901 - Maria Ly said PG&E has requested information from CDWR needed to fin-
960902 - alize the analysis. She noted that mitigation may be required for the
960903 - fault condition. Safety concerns occur at valve sites and test sta-
960904 - tions, where pipeline fixtures are exposed to workers and possibly the
960905 - public.
960906 -
960907 - Steve Burke suggested potential measurements to evaluate the induced
960908 - voltages after the pipeline is built.
960909 -
960910 - Maria explained that measurements can be conducted for steady
960911 - state induced voltages, but would be extremely difficult to do
960912 - for the fault condition.
960913 -
960914 -
960915 - ..
960916 - Stress Voltages Across Pipe Coating
960917 -
960918 - Another concern under fault condition is the stress voltage across the
960919 - coating, which may damage the coating and thereby cause accelerated
960920 - corrosion.
960921 -
960922 - Maria noted that for fusion bonded epoxy coating (used on PG&E
960923 - gas pipelines), the acceptable limit for stress voltage is 3500
960924 - volts. She requested that CDWR obtain from the pipeline coating
960925 - manufacturer the acceptable stress voltage for Coal-tar enamel,
960926 - which is the coating used for this project.
960927 -
960928 -
960929 - Don Tribble with CDWR asked what order of magnitude can be expected
960930 - for stress voltage.
960931 - ..
960932 - Maria said previous studies indicate stress voltages can be
960933 - 2-3 kV or higher.
960934 -
960935 -
960936 - ..
960937 - Mitigation
960938 -
960939 - Steve asked who is responsible for constructing any mitigation
960940 - (grounding) facilities needed? He said CDWR has not had problems on
960941 - prior projects with stress voltages damaging coating.
960942 -
960943 - Bill DeHart said PG&E will submit the results of the study by
960944 - November 1, 1994 to CDWR and will assist CDWR in designing
960945 - mitigation, if necessary, for the pipeline project.
960946 -
960947 -
960948 - ..
960949 - Obtaining Information
960950 -
960951 - Maria and Steve met separately to discuss design issues, and to obtain
960952 - the design information PG&E needs to complete the study.
960953 -
960954 - [Follow up at ref SDS 11 line 33, shows CDWR has not yet furnished
960955 - pipe coating spec needed to complete the study.]
960956 -
960957 -
960958 -
960959 -
960960 -
960961 -
960962 -
960963 -
960964 -
960965 -
960966 -
960967 -
960968 -
Distribution. . . . See "CONTACTS"