Project No. 500 - AD1-1

CALLEGUAS MUNICIPAL WATER DISTRICT Thousand Oaks, California

PROJECT NO. 500

FOR THE CONSTRUCTION OF THE

GRANDSEN PUMP STATION, PHASE 2 ADDENDUM NO. 1

December 10, 2015

Specifications and Drawings for Project No. 500 are hereby modified as follows:

Item AD1-1 REPLACE Table of Contents page 15 in both Volumes 1 and 2 of the

Specifications with the attached Exhibit “A” containing 1 page. Item AD1-2 REPLACE the third sentence of Notice Inviting Bids, Paragraph N-1, Bid

Submittal and Opening, with the following:

“Bids shall be submitted to Calleguas at its main office, at 2100 Olsen Road, Thousand Oaks, California 91360-6800 at or before 9:00 a.m. on December 17, 2015, at which time they will be publicly opened and read.”

Item AD1-3 REPLACE the first sentence in Proposal, Page P-1, with the following:

“PROPOSALS RECEIVED UNTIL 9:00 A.M., December 17, 2015” Item AD1-4 ADD the following bullet to Special Conditions Section 21.a, Coordination with

Southern California Edison (SCE) – General:

“7) The Owner will pay SCE directly for any costs charged by SCE for the work described in paragraphs 21.b-e below, including costs associated with SCE’s review of submittals; equipment and components provided by and installed by SCE; and energizing and de-energizing of power associated with the coordination of work described in this Section.”

Item AD1-5 ADD the following bullet to Special Conditions Section 21.d.1, Coordination

with Southern California Edison (SCE) – Coordination for Hydroelectric Generators:

“vii. Completed Attachment A: Information needed for interconnection

application, which is in Appendix H.”

Project No. 500 - AD1-2

Item AD1-6 ADD the following bullet to Special Conditions Section 22, Coordination with Verizon:

“e. The Owner will pay Verizon directly for any costs charged by Verizon

associated with the coordination of work described in this Section.” Item AD1-7 REPLACE Special Conditions Section 30.a.6, Builders Risk Insurance, with the

following:

“6) Be maintained in effect until the date on which the Owner furnishes the Contractor with the Statement of Acceptance in accordance with the provisions of General Conditions 6.4.1.”

Item AD1-8 REPLACE Specifications Section 02620, Paragraph 3.06.C.2 with the following:

“2. Install insulating flanged joints at all locations shown on Drawings.” Item AD1-9 REPLACE Specifications Section 04270, Paragraph 2.01.G with the following:

“G. Fire Rating: Minimum 60 minute rated window assemblies for panels in masonry walls.”

Item AD1-10 DELETE Specifications Section 16710, Paragraph 1.05.B. Item AD1-11 ADD Appendix H: Attachment A: Information needed for interconnection

application, attached as Exhibit “B,” containing 5 pages Item AD1-12 REPLACE Drawings P14, P21 and P22 with the attached Exhibit “C” containing

3 pages with modified Drawings P14, P21 and P22. Item AD1-13 Drawing I5: ADD an additional isolation valve on the other side of Control Valve

V-303. Two isolation valves are required, one on each side of the control valve, as shown on piping details on Drawing P9.

Item AD1-14 This addendum shall be attached to and become part of the Contract Documents

(Project No. 500). Bidders shall acknowledge receipt of this Addendum No. 1 on Proposal Page P-2.

PERLITER & INGALSBE By /s/ Rean David Kunitake

AD1 - EXHIBIT 1

CMWD Project No. 500 Table of Contents Grandsen Pump Station, Phase 2 Page TOC-15

APPENDICES Appendix A - Standard Drawings I. Calleguas Municipal Water District Standard Drawings with Index II. Standard Plans for Public Works Construction (SPPWC) 380-4 Concrete Collar for RCB - 12” (300 mm) through 72” (1800 mm) III. Ventura County Waterworks Districts Standards Plate No. 1 Fire Hydrant Installation Appendix B - Forms I. Pre-Bid Request Form for Information or Clarification (RFI/RFC Form) II. Contractor’s Certificate of Completion III. Daily Work Report for Extra or Disputed Work IV. Release on Contract – Conditional Waiver and Release upon Final Payment V. Release on Contract – Conditional Waiver and Release upon Final Payment – Escrow

Funds VI. Escrow Agreement for Security Deposits in Lieu of Retention VII. Contract Clarification/Interpretation Request (RFI) VIII. Temporary Service Request for Construction Water for Contractors Working for

Calleguas MWD Appendix C – Permits I. City of Moorpark Encroachment Permit II. City of Simi Valley Encroachment Permit III. Notice of Intent and State Water Resources Control Board Acknowledgement Appendix D - Substantially Complex Finding Appendix E - Record Drawings and Shop Drawings (On CD): Appendix F - Storm Water Pollution Prevention Plan (SWPPP) (On CD)

Appendix G - Confined Space Program Appendix H - SCE Attachment A: Information Needed for Interconnection Application

AD1 - EXHIBIT B

APPENDIX H

SCE ATTACHMENT A

INFORMATION NEEDED FOR INTERCONNECTION APPLICATION

GPS Hydro Project Interconnection and Contract Timeline, page 7

ATTACHMENT A: Information needed for interconnection application - Completed Application (with Appendix A) Generating Facility General Information: A. Total Generating Facility rated output (MW): _______________ B. Generating Facility auxiliary Load (MW): _______________ C. Project net capacity (MW): _______________ D. Standby Load when Generating Facility is off-line (MW): _______________ E. Number of Generating Units: ___________________ (Please repeat the following items for each generator) F. Individual generator rated output (MW for each unit): ______________________ G. Type (induction, synchronous, D.C. with inverter): ________________________ H. Phase (3 phase or single phase): _______ Synchronous Generator Information: (Please repeat the following for each generator) A. Manufacturer: ________________________________________ B. Year Manufactured:____________ C. Rated Generator speed (rpm):____________ D. Rated MVA: _______________ E. Rated Terminal Voltage (kV): ____________ F. Rated Generator Power Factor: ____________ G. Generator Efficiency at Rated Load (%): ____________ H. Moment of Inertia (including prime mover): ____________ I. Inertia Time Constant (on machine base) H: ____________ sec or MJ/MVA J. SCR (Short-Circuit Ratio - the ratio of the field current required for rated open-circuit voltage to the field current required for rated short-circuit current): ___________________________________________ K. Please attach generator reactive capability curves. L. Rated Hydrogen Cooling Pressure in psig (Steam Units only): ________________________________________________ M. Please attach a plot of generator terminal voltage versus field current that shows the air gap line, the open-circuit saturation curve, and the saturation curve at full load and rated power factor. Excitation System Information: (Please repeat the following for each generator) A. Indicate the Manufacturer ____________________ and Type _____________of excitation system used for the generator. For exciter type, please choose from 1 to 9 below or describe the specific excitation system. (1) Rotating DC commutator exciter with continuously acting regulator. The regulator power source is independent of the generator terminal voltage and current.

GPS Hydro Project Interconnection and Contract Timeline, page 8

(2) Rotating DC commentator exciter with continuously acting regulator. The regulator power source is bus fed from the generator terminal voltage. (3) Rotating DC commutator exciter with non-continuously acting regulator (i.e., regulator adjustments are made in discrete increments). (4) Rotating AC Alternator Exciter with non-controlled (diode) rectifiers. The regulator power source is independent of the generator terminal voltage and current (not bus-fed). Form 14-918 7 of 13 09/2012 (5) Rotating AC Alternator Exciter with controlled (thyristor) rectifiers. The regulator power source is fed from the exciter output voltage. (6) Rotating AC Alternator Exciter with controlled (thyristor) rectifiers. (7) Static Exciter with controlled (thyristor) rectifiers. The regulator power source is bus-fed from the generator terminal voltage. (8) Static Exciter with controlled (thyristor) rectifiers. The regulator power source is bus-fed from a combination of generator terminal voltage and current (compound-source controlled rectifiers system. (9) Other (specify): _______________________________________ B. Attach a copy of the block diagram of the excitation system from its instruction manual. The diagram should show the input, output, and all feedback loops of the excitation system. C. Excitation system response ratio (ASA): ______________ D. Full load rated exciter output voltage: ___________ E. Maximum exciter output voltage (ceiling voltage): ___________ F. Other comments regarding the excitation system? ___________________ ____________________________________________________________ Power System Stabilizer Information: (Please repeat the following for each generator.) A. Manufacturer: _____________________________________________ B. Is the PSS digital or analog? __________________________________ C. Note the input signal source for the PSS? _____ Bus frequency _____ Shaft speed _____ Bus Voltage _____________________ Other (specify source) D. Please attach a copy of a block diagram of the PSS from the PSS Instruction Manual and the correspondence between dial settings and the time constants or PSS gain. E. Other comments regarding the PSS? ___________________________________ Hydro turbines: (1) Turbine efficiency at rated load: _______% (2) Length of penstock: ______ft (3) Average cross-sectional area of the penstock: _______ft2 (4) Typical maximum head (vertical distance from the bottom of the

GPS Hydro Project Interconnection and Contract Timeline, page 9

penstock, at the gate, to the water level): ______ft (5) Is the water supply run-of-the-river or reservoir: ___________ (6) Water flow rate at the typical maximum head: _________ft/sec (7) Average energy rate: _________kW-hrs/acre-ft (8) Estimated yearly energy production: ________kW-hrs Complete this section for each machine, independent of the turbine type. (1) Turbine manufacturer: _______________ (2) Maximum turbine power output: _______________MW (3) Minimum turbine power output (while on line): _________MW (4) Governor information: (a) Droop setting (speed regulation): _____________ (b) Is the governor mechanical-hydraulic or electro-hydraulic (Electro-hydraulic governors have an electronic speed sensor and transducer.)? _________________ (c) Other comments regarding the turbine governor system? ______________________________________________ Short Circuit Duty Information: For each generator, provide the following reactances expressed in p.u. on the generator base: • Xd – Direct Axis Synchronous Reactance: _____ p.u. • X’d – Direct Axis Transient Reactance: _____ p.u. • X”d – Direct Axis Subtransient Reactance: _____ p.u. • X2 – Negative Sequence Reactance: _____ p.u. • X0 – Zero Sequence Reactance: _____ p.u. Form 14-918 9 of 13 09/2012 Generator Grounding (select one for each model): A. _____ Solidly grounded B. _____ Grounded through an impedance (Impedance value in p.u. on generator base. R:_____________p.u. X:_____________p.u.) C. _____ Ungrounded Step-Up Transformer Data: For each step-up transformer (e.g. main step-up transformers, padmount transformers), fill out the data form provided in Table 1. Line Data: Upon Distribution Provider request, for transmission lines that are to be planned by the generation developer, please provide the following information: Nominal Voltage: _______________ kV Line Length (miles): ___________________ Line termination Points: ___________________ Conductor Type: ______ Size: ________ If bundled. Number per phase: ______, Bundle spacing: _____in. Phase Configuration. Vertical: _______, Horizontal: _______ Phase Spacing (ft): A-B: ______, B-C: _______, C-A: ________

GPS Hydro Project Interconnection and Contract Timeline, page 10

Distance of lowest conductor to Ground at full load and 40°C: _________ft Ground Wire Type: ________ Size: _______ Distance to Ground: ______ft Attach Tower Configuration Diagram Summer line ratings in amperes (normal and emergency) _________________ Positive Sequence Resistance ( R ): __________ p.u.** (for entire line length) Positive Sequence Reactance: ( X ): __________ p.u.** (for entire line length) Zero Sequence Resistance ( R0 ): __________ p.u.** (for entire line length) Zero Sequence Reactance: ( X0 ): __________ p.u.** (for entire line length) Line Charging (B/2): __________ p.u.** ** On 100-MVA and nominal line voltage (kV) Base 9. Plant-Level Reactive Power Compensation Data: Provide the following information for plant-level reactive power compensation, if applicable: A. Number of individual shunt capacitor banks: _____________ B. Individual shunt capacitor bank rated voltage (kV): _____________ C. Individual shunt capacitor bank size (kVAR at rated voltage): _____________ D. Planned dynamic reactive control devices (SVC, STATCOM): _____________ E. Control range: _____________ kVAR(lead) _____________ kVAR (lag) F. Control mode (e.g. voltage, power factor, reactive power): _____________ G. Please provide the overall plant reactive power control strategy - Site Plan Diagram - Single Line Electrical Diagram - Site Exclusivity D ocumentation, - Study Deposit Money

AD1- EXHIBIT C

MODIFIED DRAWINGS P14, P21 AND P22