WASTEWATER ENTERPRISE (WWE) FACILITIES

ELECTRICAL PREVENTATIVE MAINTENANCE

SPECIFICATIONS

(2007-2010)

750 PHELPS STREET

SAN FRANCISCO, CALIFORNIA

TABLE OF CONTENTS

PART 1 – GENERAL

1.01CONTRACT TYPE

1.02QUALIFICATION OF THE CONTRACTOR

1.03DOCUMENTS FURNISHED BY THE CONTRACTOR

1.04SUMMARY

1.05SCOPE OF WORK

1.06PRE-BID CONFERENCE AND SITE INSPECTION

1.07CONTRACTOR USE OF PREMISES

1.08RIGHT TO STOP THE WORK

1.09SAFETY AND SECURITY

1.10OWNER, ENGINEER

1.11LAWS, CODES AND REGULATIONS

1.12ELECTRICITY TO BE USED DURING PREVENATATIVE MAINTENANCE WORK

1.13PERMIT REQUIREMENTS

1.14SAFETY REPRESENTATIVE

1.15ACCIDENT DOCUMENTATION AND REPORTING

1.16SAFETY MEETING

1.17ELECTRICAL LOCKOUT/TAGOUT PROCEDURES

1.18PROGRESS SCHEDULES

1.19SCHEDULE REVISIONS

1.20CHANGES IN THE WORK

PART 2 – APPLICATIONS FOR PAYMENT

2.01SCOPE

2.02BASIS OF PAYMENT

2.03ALLOWANCES

2.04APPLICATION AND SCHEDULE PROCEDURES

PART 3 –EXECUTION

3.01SCHEDULE OF BID PRICES

BID PRICE TABLE – BID ITEM NO. 1 TO 11

BID PRICE TABLE – BID ITEM NO. 12 TO 20

BID PRICE TABLE – BID ITEM NO. 21 TO 24

BID PRICE TABLE – BID ITEM NO. 25 TO 28

PART 4 – ELECTRICAL TESTING

4.01DIVISION OF RESPONSIBILITY

4.02SUITABLILITY OF TEST EQUIPMENT

4.03TEST INSTRUMENT CALIBRATION

4.04TEST REPORT

4.05INSPECTION, MAINTENANCE AND TEST PROCEDURES

A.ALL EQUIPMENT

B.SWITCHGEAR AND SWITCHBOARD ASSEMBLIES

C.TRANSFORMERS, DRY TYPE, AIR-COOLED, LARGE

D.TRANSFORMERS — LIQUID FILLED

E.CIRCUIT BREAKERS, VACUUM, MEDIUM-VOLTAGE

F.AIR SWITCHES — MEDIUM VOLTAGE

G.VACUUM SWITCHES — MEDIUM VOLTAGE

H.CIRCUIT BREAKERS—MEDIUM VOLTAGE--AIR

I.CIRCUIT BREAKERS — LOW VOLTAGE (MOLDED CASE)

J.LOW VOLTAGE POWER BREAKER

K.METAL-ENCLOSED BUSWAYS

L.INSTRUMENT TRANSFORMERS

M.METERING AND INSTRUMENTATION

N.PROTECTIVE RELAYS

O.MOTOR STARTERS- MEDIUM VOLTAGE

P.MOTOR STARTERS- LOW-VOLTAGE

Q.MOTOR CONTROL CENTERS, LOW-VOLTAGE

R.METERING

S.GROUNDING SYSTEMS

T.GROUND-FAULT PROTECTION SYSTEMS

U.SURGE ARRESTOR

V.MEDIUM VOLTAGE SURGE PROTECTION DEVICES

W.BATTERY SYSTEM

X.CAPACITORS AND REACTORS, CAPACITORS

Y.PARTIAL DISCHARGE TESTING

Z.EMERGENCY SYSTEMS, AUTOMATIC TRANSFER SWITCHES

PART 5SOUTHEAST WATER POLLUTION CONTROL PLANT (SEP)

5.01PRIMARY SWITCHING STATION PSS 12.47 kV SECTIONS I AND II

5.02UNIT SUBSTATIONS

5.034,160 VOLT SWITCHGEAR AND MOTOR STARTERS AT BUILDING 270

PART 6BRUCE FLYNN PUMP STATION (BFS), CHANNEL PUMP STATION (CHS), SUNNYDALE PUMP STATION (SDS), GRIFFITH PUMP STATION (GFS), BOOSTER PUMP STATION (BPS), NORTH POINT WPCP (NPP), NORTH SHORE PUMP STATION (NSP)

BRUCE FLYNN PUMP STATION (BFS)

6.01MAIN SWITCHGEAR 12.47 KV SECTION

6.02MAIN SWITCHGEAR 480 VOLT SECTION

CHANNEL PUMP STATION (CHS)

6.03MAIN SWITCHGEAR 4.16 KV

SUNNYDALE PUMP STATION (SDS)

6.04MAIN SWITCHGEAR 480

GRIFFITH PUMP STATION (GFS)

6.05MAIN SWITCHBOARD 480 VOLT SECTION

BOOSTER PUMP STATION (BPS)

6.06PRIMARY SWITCHING STATION 12.47kV

6.07MAIN PLANT SWITCHGEAR MPS 4.16KV

NORTHPOINT FACILICY (NPP)

6.08MEDIUM VOLTAGE CABLES

NORTH SHORE PUMP STATION (NSP)

6.09DRY WEATHER MOTORS 480 VOLT LOAD CENTER: 4.16 KV – 480

6.10AUXILIARY 480 VOLT LOAD CENTER: 4.16 kV – 480 V

PART 7 OCEANSIDE TREATMENT PLAN (OSP), WESTSIDE PUMP STATION (WSS) and ZOO WET WEATHER STATION (ZWS)

OCEANSIDE TREATMENT PLANT (OSP)

7.01MAIN PLANT SWITCHGEAR MPS 12.47KV

7.02 MOTOR STARTER SUBSTATIONS MSS 4.16KV

7.03SECONDARY SUBSTATION SS1 12KV - 480V

7.04SECONDARY SUBSTATION SS2 12KV 480V

7.05SECONDARY SUBSTATION SS3 12KV 480V

7.06 SECONDARY SUBSTATION SS4 12KV 480V

7.07SECONDARY SUBSTATION SS5 12KV 480V

WESTSIDE PUMP STATION (WSS)

7.08MAIN SWITCHBAORD ENCLOSURE, WR-203

ZOO WET WEATHER STATION (ZWS)

7.09MOTOR CONTROL CENTER

BIDDER’S QUALIFICATIONS STATEMENT

PART 1 – GENERAL

1.01CONTRACT TYPE

  1. This is a contract for the performance of electrical preventative maintenance (PM) by the specification at the eleven (11) Wastewater Enterprise operating facilities.
  2. This contract shall be issued as a thirty-six (36) month Blanket Purchase Order and releasese shall be made against it as appropriate. It shall be administered by the Purchasing Division of the San Francisco Public Utilities Commission.

1.02QUALIFICATION OF THE CONTRACTOR

  1. Concurrent with the bid submittal, the Contractor should submit a completed Bidder’s Experience and Qualifications form (on the last pages of the specifications). Failure to do so may constitute grounds for rejection of the bid.
  2. The Electrical Testing Firm shall be a full member of the InterNational Electrical Testing Association. The Contractor should submit proof of this membership with the bid submittal. Failure to do so may constitute grounds for rejection of the bid.
  3. The testing organization shall be an independent, third party entity that can function as an unbiased testing authority, professionally independent of the manufacturers, suppliers, and installers of equipment or systems being evaluated. The Contractor shall be regularly engaged in the testing of electrical equipment devices, installations, and systems for a minimum of 5 years prior to the submittal of the bid.
  4. The terms used herewith, such as Contractor, shall also be construed to mean testing laboratory or testing service. The testing laboratory shall be approved by the Department of Building Inspection (DBI) of the City and County of San Francsico.
  5. The Contractor shall possess a valid Class C-10 License and Contractor shall demonstrate that there are no litigations pending against the license.
  6. The Electrical Testing Firm shall be regulary engaged in the testing of electrical equipment devices, installations, and systems for the past 5 years.
  7. The Electrical Testing Firm shall utilize engineers and technicians that are experienced and regularly perform electrical power system testing. Technicians performing these electrical tests and inspections shall be trained and experienced concerning the apparatus and systems being evaluated. These individuals shall be capable of conducting the tests in a safe manner and with complete knowledge of the hazards involved. They must evaluate the test data and make an informed judgment on the continued serviceability or nonserviceability of the specific equipment. Technicians shall be certified in accordance with ANSI/NETA ETT-2000, Standard for Certification of Electrical Testing Technicians. Each on-site crew leader shall hold a current certification, Level III or higher, in electrical testing.

H.The Electrical Testing Firm performing On-Line Partial Discharge tests and inspections shall be regularly engaged in the testing of electrical equipment devices, installations, and systems. The Electrical testing shall utilize engineers and technicians that are experienced and regularly perform electrical power system testing.

I.Personnel performing On-Line Partial Discharge tests and inspections shall be trained and experienced concerning the apparatus and cable systems being evaluated. These individuals shall be capable of conducting the tests in a safe manner and with complete knowledge of the hazards involved. They must evaluate the test data and make an informed judgment regarding serviceability of the cable circuits tested.

1.03DOCUMENTS FURNISHED BY THE CONTRACTOR

SFPUC reserves the right to request any additional technical or other information from any bidder, as it deem necessary to evaluate the offered equipment and maintenance service.

Bidder shall provide such information within three (3) calendar days of its request, unless a later time is permitted by SFPUC. Failure to provide, in the sole opinion of SFPUC, information adequate to make a determination of product acceptability at the time of bid submission, or as later requested by SFPUC may result in elimination of a bidder’s offer from consideration.

Within seven (7) working days after the Notice to Proceed (NTP) and prior to the commencement of work, the Contractor shall submit the following documents for acceptance by the City:

  1. A preventative maintenance session schedule.
  2. An example of the test forms for each type of equipment and test.

C.A list of supervisory personnel who will be responsible for the performance of the Contract. The Contractor shall designate one (1) person who will have full decision-making authority to represent the Contractor on a daily basis at each Contract site. The list will include the phone numbers where the personnel may be reached by the Engineer.

D.Product information and Material Safety Data Sheets (MSDS) for all proposed lubricants and cleaning solvents.

E.A Site Specific Safety Plan for City Approval and keep it current throughout the duration of the Contract.

  1. A test equipment, tool and material inventory control (check-out/check-in) procedure and sample list for the electrical PM work.. This procedure and applicable facility list shall be used for each and every electrical PM session to account for all test equipment, tool and materials used and ensure that they are all returned before any electrical equipment and/or power service re-energization.

1.04SUMMARY

  1. This Wastewater Enterprise (WWE) is a contact for the performance of electrical maintenance on the switchgear, substations, and related electrical gear specified herein
  2. The work to be done under this contract is located at the following eleven (11) WWE facilities:
  3. Southeast Water Pollution Control Plant, 750 Phelps Street, SF
  4. Bruce Flynn Pump Station, 1595 Davidson Avenue, SF
  5. Channel Pump Station, 455 Berry Street, SF
  6. Sunnydale Pump Station, 1 Harney Way. , Brisbane
  7. Griffith Pump Station, 1601 Griffith Street, SF
  8. SE Booster Pump Station, 602 Arthur Avenue, SF
  9. North Point Facility, 111 Bay Street, SF
  10. North Shore Pump Station, 2001 Kearney Street, SF
  11. Oceanside Water Pollution Control Plant, 3500 Great Highway, SF
  12. Westside Pump Station, 2900 Great Highway, SF
  13. Zoo Wet Weather Lift Station, 2995 Sloat Blvd, SF

C.Work comprises of performing preventative maintenance work on each facility’s electrical distribution equipment and includes visual inspections, cleaning, electrical and mechanical tests and adjustments and the preparation of a final report for each year PM sessions.

D.Work shall require careful coordination to accommodate all WWE pump stations and treatment plants process operation, maintenance, daily work of Plant operators working in and around all facilities, and shall require coordination with PG&E to schedule station service power interruptions (service de-energizations and re-energizations) and payment to PG&E for their services. PG&E requires six weeks minimum advance notice for each service power interruption for their work scheduling purposes.

E.For coordination work relating to the scheduling of PG&E service de-energization and subsequent re-energizations for all facilities and payment thereto associated with this project, contact:
Wally Sun (415) 554-1873SFPUC Power Enterprise

Power Utility Services

1.05SCOPE OF WORK

A.Provide all labor, materials, equipment and services necessary for, and incidental to, the performance of electrical maintenance on the switchgear, substations, and related gear specified herein. All work shall be done in accordance with the latest NETA Maintenance Testing Specifications [NETA MTS-2005 or later] and as specified herein. WWE Electrical Maintenance Staff will observe and assist in the maintenance work--see Part 4 - 4.06.A.1.a for their related duties.

  1. Provide all inspections, maintenance, and tests as herein specified.
  2. Provide oil sampling and analysis at liquid filled transformers at SEP, BPS & OSP - See Part 4 - 4.06.D.2.f & g. on a yearly basis, WWE will provided all available past oil sample analysis for each transformer for the purpose of a transformer condition trend analysis,
  3. The Contractor shall make all arrangements and coordinate with Power Utility Service and pay for all facility service interruptions required for the electrical maintenance work on the main switchgear for each of the facilities. PG&E requires six weeks advance notice for each service de-energization/ re-energization for their work scheduling purposes.
  4. No maintenance work shall be conducted during a wet weather event or an impending wet weather event even if it has been previously scheduled for that day(s). Determination of a wet weather day is up to the sole discretion of WWE Operations Management. Scheduled maintenance work may be cancelled up to one day (or less) in advance. Maintenance work sessions shall be scheduled at least 1 week apart, unless otherwise approved in writing by WWE. Maintenance work shall be conducted in no more than the number of maintenance sessions in the year as listed in Part 1-1.03.E, F & G.
  5. All the following sessions are anticipated to be conducted on or before December 28, 2007 on a normal business workday, Tuesday through Thursday, starting at 8:00 am to 2:30 pm.

Session 1: SEP, BPS & OSP: Removal of samples of insulating liquids from the total of twenty-eight (28) transformer units and submittal of the samples for laboratory analysis.

Session 2: SEP: Perform Online Partial Discharge Test on all medium voltage cables 4KV and above.

  1. All the sessions for SEP are anticipated to be conducted no earlier than June 3, 2008 and be completed on or before September 18, 2008 on a Saturday, starting at 6:00 a.m. and shall be completed by 5:00 p.m. on the same date except session 6.

Southeast Treatment Plant (SEP):

Sessions 1 to 5 shall not be scheduled on the same day as a San Francisco Giant baseball team’s home game and other special events unless otherwise notified in writing by the Engineer.

  1. Session 1: Substations SS-1A & 1B, 2A & 2B, 11 and 12.
  2. Session 2: Substations SS-6, 7, 8, 9, 10 and 13, and the 4,160-volt switchgear and motor starters for the 3 main air compressor motors in Building 270.
  3. Session 3: Substations SS-3A & 3B, 4A & 4B, 5A & 5B.
  4. Session 4: Substations SS-14, 15 and 17.
  5. Session 5: Primary Switching Station, PSS: This session requires a scheduled utility (PG&E) service interruption (disconnection).
  6. Session 6: BPS & OSP: Removal of samples of insulating liquids from the total of seven (7) transformer units and submittal of the samples for laboratory analysis.

This session can be conducted on a normal business workday, Tuesday through Thursday, staring at 8:00 am to 2:30 pm.

  1. All the sessions for BFS, CHS, SDS, GFS, BPS & NPP are anticipated to be conducted no earlier than June 3, 2009 and be completed on or before September 18, 2009 on a Saturday, starting at 6:00 a.m. and shall be completed by 5:00 p.m. on the same date except session 7.

1.Session 1: Bruce Flynn Pump Station (BFS): This session requires a scheduled utility (PG&E) service interruption.

2Session 2: Channel Pump Station (CHS): This session requires a scheduled utility (PG&E) service interruption. This session shall not be scheduled on the same day as a San Francisco Giant baseball team’s home game and other special events.

  1. Session 3: Sunnydale Pump Station (SDS) and Griffith Pump Stations (GFS): This session requires a scheduled utility (PG&E) service interruption for each facility.

The access to the Sunnydale switchgear is down a flight of stairs to the switchgear room located about fifteen feet below the ground level. Contractor shall make all provision to provide forced ventilation, gas meters to test the area to determine the area is safe, and needs to maintain contact with Operations Control when entering and exiting the space. A minimum of two personal, 4-gas monitors (CO, O2, H2S, and LEL) and continued forced ventilation will be required while performing work at all times and for getting all required equipment down the stairs to the switchgear room level.

There is no breaker-rackingdevice for SDS and GFS. Contractor shall purchase two new Cutler-Hammerbreaker racking devices (or equal), one for each station for racking circuit breakers in and out switchboard and leave the racking device at site as property of WWE after finishing the PM work at these two pump stations.

  1. Session 4: Booster Pump Station (BPS) and North Shore Pump Station (NSP): This session requires a scheduled utility (PG&E) service interruption for Booster Pump Station only. This session shall not be scheduled on the same day as a San Francisco Giant baseball team’s home game and other special events.
  2. Session 5: Channel Pump Station (CHS), Booster Pump Station (BPS), North Point WPCP (NPP) and North Shore Pump Station (NSP): Perform Online Partial Discharge Test on all medium voltage cables 4KV and above.
  1. Session 6: SEP & OSP: Removal of samples of insulating liquids from the total of seven (7) transformer units and submittal of the samples for laboratory analysis.

This session can be conducted on a normal business workday, Tuesday through Thursday, staring at 8:00 am to 2:30 pm.

  1. All these sessions for OSP, WSS & ZWS are anticipated to be conducted no earlier than June 2, 2010 and be completed on or before September 17, 2010 on a Saturday, starting at 6:00 a.m. and shall be completed by 5:00 p.m. on the same date except session 5 & 6.

There is no breaker-rackingdevice for WSS. Contractor shall purchase a new Cutler-Hammer breaker racking device (or equal) for racking circuit breakers in and out switchboard and leave the racking device at site as property of WWE after finishing the PM work at this pump station.

  1. Session 1: Oceanside Treatment Plant (OSP): Main Plant Switchgear, MPS, Westside Pump Station (WSS) & Zoo Wet Weather Station (ZWS): This session requires a scheduled utility (PG&E) service interruption for each station.
  2. Session 2: Oceanside Treatment Plant (OSP): Substations SS-1 & SS-2.
  3. Session 3: Oceanside Treatment Plant (OSP): Substations SS-3 & SS-4.
  4. Session 4: Oceanside Treatment Plant (OSP): Substation SS-5.
  5. Session 5: Oceanside Treatment Plant (OSP): Perform Online Partial Discharge Test on all medium voltage cables 4KV and above.

This session can be conducted on a normal business workday, Tuesday through Thursday, staring at 8:00 am to 2:30 pm.

  1. Session 6: SEP & BPS: Removal of samples of insulating liquids from the total of twenty-two (22) transformer units and submittal of the samples for laboratory analysis.

This session can be conducted on a normal business workday, Tuesday through Thursday, staring at 8:00 am to 2:30 pm.

  1. The Contractor shall provide all material, equipment, labor, required temporary power and lighting for their testing purposes, and technical supervision to perform such tests, inspections, and maintenance.
  2. Contractor shall submit a test equipment, tool and material inventory check-out/check-in procedure and sample list for the electrical PM work.. This procedure and applicable facility list shall be used for each and every electrical PM session to account for all test equipment, tools and materials used and ensure that they are all returned before power service re-energization.
  3. After each year’s sessions, contractor shall submit a final report summarizing all work performed and material used. This report must detail each individual piece of equipment by nameplate data, facility name, and switchgear designation, and thoroughly discuss the associated findings and provide recommendations.
  4. Upon completion of the tests and inspections noted in these specifications, a label shall be attached to all serviced devices. These labels will indicate date serviced and the service company responsible.
  5. It is the intent of this work to assure that all electrical equipment is operational within industry and manufacturer’s tolerances and that the equipment and systems are suitable for continued service.
  6. The tests, inspections, and maintenance shall determine suitability for energization for continued reliable operation.
  7. Additional work scope items. (not included in bid)

The City may initiate following additional work through change orders: