Amendment 002 - PPK_Series Cap Breaker Replacement Specification Revised.pdf

ARIZONA

PINNACLE PEAK SUBSTATION

SERIES CAPACITOR BREAKER

REPLACEMENT

SECTION C

DESCRIPTION/SPECIFICATIONS

Spec. No. 1010

AMENDMENT 001

SECTION C

DESCRIPTIONS/SPECIFICATIONS

PINNACLE PEAK SUBSTATION SERIES CAPACITOR BREAKER REPLACEMENT

DIVISION 1 – GENERAL REQUIREMENTS

A. CONTRACT REQUIREMENT:

B. DESCRIPTION OF WORK:

1. The principal components of work include:

C. DESCRIPTION OF BIDDING SCHEDULE ITEM:

1. Bidding Schedule item “Mobilization and preparatory work”:

D. COMMENCEMENT, PROSECUTION, AND COMPLETION OF WORK:

1. SUBMITTAL APPROVAL TIME:

2. COMMENCEMENT OF CONTROL WORK:

3. OUTAGE RESTRICTIONS:

4. CONSTRUCTION SCHEDULE RESTRICTIONS:

5. PROTECTIVE GROUND LEADS:

6. MAXIMUM AVAILABLE FAULT CURRENT:

7. TYPICAL FOUNDATIONS FOR GOVERNMENT-FURNISHED ELECTRICAL EQUIPMENT: .. 6

8. TYPICAL FOUNDATIONS FOR CONTRACTOR-FURNISHED ELECTRICAL EQUIPMENT: . . 6

E. CONSTRUCTION SCHEDULE:

1. SUBMITTAL TIME:

2. FORMAT AND DETAIL:

F. MATERIAL:

1. POINTS-OF-DELIVERY:

G. RIGHTS-OF-WAY:

1. GENERAL:

H. GEOLOGIC INVESTIGATIONS:

I. ELECTRIC POWER FOR CONSTRUCTION PURPOSES:

J. WATER FOR CONSTRUCTION PURPOSES:

K. EXPLOSIVES AND BLASTING:

L. BURIED UTILITIES:

M. EMPLOYEE REQUIREMENTS:

N. ELECTRICAL MINIMUM APPROACH DISTANCES:

O. SUBMITTALS AND CORRESPONDENCE:

1. GENERAL:

2. TRANSMITTAL:

3. SUBMITTAL RESPONSE:

4. PHYSICAL SAMPLE SUBMITTALS:

5. PROJECT PROTOCOL:

DIVISION 2 – SITEWORK

A. DESCRIPTION OF BIDDING SCHEDULE ITEMS:

1. Bidding Schedule item “Miscellaneous sitework”

2. Bidding Schedule item “Demolition”:

3. Bidding Schedule does not contain separate items for the following

DIVISION 3 – CONCRETE

A. GENERAL:

1. MATERIAL:

2. TEST FOR POTENTIAL REACTIVITY OF SAND AND COARSE AGGREGATE:

3. REBAR DEVELOPMENT (LD) AND LAP LENGTH:

B. DESCRIPTION OF BIDDING SCHEDULE ITEMS:

1. Bidding Schedule item ”Concrete foundations”:

DIVISION 4 – SUBSTATION METALWORK

A. GENERAL:

1. GOVERNMENT-FURNISHED DRAWINGS:

2. MEASUREMENT:

B. DESCRIPTION OF BIDDING SCHEDULE ITEMS:

1. Bidding Schedule item “Steel structures, welded (galvanized)”

DIVISION 9 – SUBSTATION - ELECTRICAL

A. GENERAL:

1. Bidding Schedule for Government-furnished items:

2. Bidding Schedule for items (not furnished by the Government)

3. Unless otherwise specified

4. Installation and painting of electrical equipment and material

B. DESCRIPTION OF BIDDING SCHEDULE ITEMS:

1. Bidding Schedule item “Power circuit breaker, 345-kV, 2,000-amps, 3-phase, single-pole

(Government-furnished)”:

2. Bidding Schedule item “Associated electrical equipment and material”:

3. Bidding Schedule item “Existing outdoor electrical equipment and material”

4. Bidding Schedule item “Outdoor DC Distribution Panelboard”

5. Bidding Schedule item “Outdoor DC Junction Box”

6. Bidding Schedule item “Indoor DC Molded Case Breaker Disconnect Switch”

DIVISION 13 – EVIRONMENTAL QUALITY PROTECTION

A. CONTRACTOR-FURNISHED DATA:

1. Bidding Schedule does not contain separate items for the following

B. SPECIAL CONDITIONS

1. ENVIRONMENTAL PLANNING REQUIREMENTS:

2. PRESERVATION OF CULTURAL AND PALEONTOLOGICAL RESOURCES:

3. PREVENTION OF AIR POLLUTION:

4. PREVENTION OF WATER POLLUTION:

5. CONSERVATION OF BIOLOGICAL RESOURCES:

DIVISION 15 – DRAWINGS

B. AS-BUILT DRAWINGS:

DIVISION 1 – GENERAL REQUIREMENTS

A. CONTRACT REQUIREMENT:

Construct and complete Pinnacle Peak Substation – Series Capacitor Breaker Replacement, in accordance with the Construction Contract (Standard Form 1442); the Contract Clauses; WAPA’s Construction Standards, including Standard 1 – General Requirements (March 2021), Standard 2 – Sitework (March 2021), Standard 3 – Concrete (March 2021), Standard 4 – Substation Metalwork and Transmission Line Lattice Structures (March 2021), Standard 5 – Transmission Line Steel Pole Structures (March 2021), Standard 6 – Light Duty Steel Pole Structures (March 2021), Standard 7 – Wood Poles (March 2021), Standard 8 – Glued Laminated Structures (March 2021), Standard 9 – Substation – Electrical (March 2021), Standard 10 – Transmission Line – Electrical (March 2021), Standard 11 – Buildings (March 2021), Standard 12 – Painting (March 2021), Standard 13 – Environmental Quality Protection (March 2021), Standard 14 – Communication Facilities (March 2021), Standard 15 – Drawings (March 2021); Standard Drawings (February 2021); and these Project Specifications and Drawings.

If a conf lict occurs between the Project Specifications and the Construction Standards, the Project Specifications shall govern. The Project Specifications and the Drawings are used to take exceptions or provide additions to the Construction Standards. Some paragraphs in the Construction Standards will not apply to this job.

WAPA’s Construction Standards, Standard Drawings and Electrical Equipment Standards are available at https://www.wapa.gov/DoingBusiness/SellingToWestern/Pages/what-western-buys.aspx.

WAPA Project Specifications and Construction Standards are explained in Standard 1 – General Requirements, Section 1.1.1, “Standards and Project Specifications”.

B. DESCRIPTION OF WORK:

1. The principal components of work include:

a. Installing 345-kV power circuit breakers.

b. Providing grounding system, bus system, conduit system, and signs.

c. Performing site work.

d. Providing new foundations and anchor bolts for electrical equipment.

e. Modifying existing foundations for electrical equipment.

f. Providing galvanized steel structures.

g. Providing distribution boards and junction boxes.

h. Providing DC power cables.

i. Relocating existing AC and DC circuit breaker cables to new equipment.

j. Modifying existing electrical equipment.

k. Removing and disposing of electrical equipment, steel supporting structures, foundations, and bus work.

Paragraphs “Description of Bidding Schedule Items” in Divisions – 1, 2, 3, 4, 9 and 13 describe the work to be performed.

The work is located near Phoenix, Arizona in Maricopa County, as shown on Drawing PPK 0020.

C. DESCRIPTION OF BIDDING SCHEDULE ITEM:

1. Bidding Schedule item “Mobilization and preparatory work” includes the following:

a. Performing mobilization and preparatory work in accordance with Section H of the contract clauses.

b. Prepare and submit a Construction Schedule and furnish a Safety and Health Program.

c. Providing jobsite office trailer and the items listed below. Prior to any jobsite work, the

Contractor shall provide the office trailer for the exclusive use of WAPA.

(1) Relocation: If the Contractor changes the location of his office during the term of the contract, then the Contractor shall also move the mobile office trailer provided for WAPA, simultaneously with the transportation of his own unit.

(a) Installation: Install anchors and tie-downs for the trailer complying with local, State and Federal regulations. The of fice trailer shall be grounded. Entry points to the trailer shall be provided with stairways complying with OSHA 29 C.F.R 1926.1052.

(b) Of f ice Space Requirements:

1) Size and Arrangement: At least 250-square feet (minimum) consisting of two (2) separate rooms (one (1) office and one (1) larger workroom).

2) Heating and Cooling: Heating and cooling unit sized to provide adequate heating and cooling.

3) Lighting and Electrical: Adequate lighting and 120 V electrical outlets.

4) Utilities: Make all arrangements and pay all costs for providing utilities, including potable drinking water, electrical power and heating and cooling energy.

5) Toilet Facilities: Toilet facilities shall be provided in the immediate vicinity of the office and shall be maintained.

(2) Emergency Equipment: Provide and maintain the following emergency equipment:

(a) First aid kit that meets or exceeds ANSI Z308.1 (latest version) Class B, Type IV. Mount to the wall inside the workroom.

(b) Dry chemical f ire extinguishers: Classified 4-A:60-B:C, one (1) to be located inside each entrance to the trailer.

(3) Window Coverings: Provide adjustable mini-blinds.

(4) Of f ice Furniture: Provide good quality, fully functional, office furniture as follows:

QUANTITY DESCRIPTION

Five (5) Folding Office Chairs.

One (1) Of f ice desk (30-inches by 60-inches minimum).

Two (2) Of f ice tables (30-inches by 60-inches minimum).

One (1) 5-drawer f ile cabinet.

One (1) Bookcase (30-inches by 13-inches by 48-inches).

Twelve (12) “Plan Hold” binders No. 1CB-24 (including one (1) plan rack).

D. COMMENCEMENT, PROSECUTION, AND COMPLETION OF WORK: See FAR 52.211-10 in

Section F of the solicitation/contract.

1. SUBMITTAL APPROVAL TIME: Except as otherwise provided for specific submittals, WAPA will require 30-calendar days for review of drawings or data submitted for approval.

2. COMMENCEMENT OF CONTROL WORK: Do not perform any outdoor equipment wiring until receipt of Government-furnished wiring diagrams. WAPA will furnish outdoor wiring and schematic diagrams no sooner than 21 days before the scheduled outages. Include these restrictions in the Construction Program. Control drawings will be provided no sooner than 60 days after DC Panel and terminal box submittals are approved.

3. OUTAGE RESTRICTIONS: In addition to the restrictions listed in Construction Standard 1, the following outage restrictions shall apply:

a. Outages are not allowed from May 1 through September 30 each year.

b. Concurrent outages are not allowed on the Flagstaff-Pinnacle Peak 345-kV lines.

c. One (1) short station service outage (not exceeding 6 hours in duration) will be allowed for removal, installation and/or reconnection of control and power cables associated with FLG-PPK No. 1 Line.

d. One (1) short station service outage (not exceeding 6 hours in duration) will be allowed for removal, installation and/or reconnection of control and power cables associated with FLG-PPK No. 2 Line.

e. Outage requests shall be submitted to the COR in writing at least 45 days in advance for outages on 345-kV equipment.

4. CONSTRUCTION SCHEDULE RESTRICTIONS: The following Construction Schedule restrictions shall apply:

a. Power circuit breakers PPK 2192 and PPK 2199 (on FLG-PPK No.1 Line) shall be replaced f irst.

b. WAPA requires 2-weeks for commissioning of new power circuit breakers PPK 2192 and PPK 2199 af ter the construction contractor completes installation, wiring and testing of both circuit breakers.

c. The new 125-VDC outdoor power distribution and associated feeder circuit cables shall be installed in conjunction with the installation of circuit breakers PPK 2192 and PPK 2199.

d. Power circuit breakers PPK 2292 and 2299 (on FLG-PPK No. 2 Line) shall be replaced after the FLG-PPK No. 1 Line has been returned to service.

e. WAPA requires 2-weeks for commissioning of new power circuit breakers PPK 2292 and

PPK 2299 af ter the construction contractor completes installation, wiring and testing of both circuit breakers.

5. PROTECTIVE GROUND LEADS: See WAPA Construction Standards, Standard 1 “General

Requirements”, Section 1.4.14.3(1).

6. MAXIMUM AVAILABLE FAULT CURRENT: When protective ground leads are required, the protective ground leads shall be sized as defined below and shall meet the requirements of Standard 1 – General Requirements, Section 1.4 “Safety and Health” and the following:

a. The maximum available fault current in the 345-kV area is 20,420-amps and the X/R ratio is 17.1 prior to completing construction and 20,420-amps and the X/R ratio is 17.1 af ter completing construction.

b. A minimum of one (1) 2/0 AWG grounds shall be used in the 345-kV area.

7. TYPICAL FOUNDATIONS FOR GOVERNMENT-FURNISHED ELECTRICAL EQUIPMENT:

Typical foundations are shown in Drawing PPK 2306. WAPA will design these foundations after receipt of the seismic report and informational drawings and data, including the seismic report f rom the equipment manufacturer. WAPA will forward the revised construction drawings for these foundations no later than 45-days prior to the “NLT” delivery date listed in the, “Material” section.

If the “NLT” delivery date is adjusted by WAPA, forwarding of revised foundation construction drawings will be automatically adjusted in a like manner.

8. TYPICAL FOUNDATIONS FOR CONTRACTOR-FURNISHED ELECTRICAL EQUIPMENT:

Typical foundations are shown on Drawing PPK 2308. Regarding foundations noted as “design not f irm”: WAPA will design these foundations after receipt and final approval of documents and informational drawings and data from the Contractor.

E. CONSTRUCTION SCHEDULE:

1. SUBMITTAL TIME: Prepare and Submit a Construction Schedule to the CO within 45-calendar days after date of Notice to Proceed.

2. FORMAT AND DETAIL: Dates for each item of Government-furnished material shall be provided.

Do not program dates earlier than the estimated delivery dates shown in the “Material” paragraph.

F. MATERIAL: Furnish all material for completing the work, except material furnished by WAPA as listed below:

ITEM

ESTIMATED

WEIGHT

(LBS)

ESTIMATED

DELIVERY

DATE

ESTIMATED

COST

Four (4) 3-phase, power circuit breakers, 345-kV, 2,000-amp (1 main control cabinet and 3 single-pole units for each breaker)

3,000 ea pole 500 ea cabinet On site $250,000 ea

NST – No sooner than.

NLT – No later than.

1. POINTS-OF-DELIVERY: Material furnished by WAPA is in temporary storage at Pinnacle Peak

Substation. The Contractor is responsible for loading, transporting, and installing WAPA-furnished material. The Contractor shall inspect the equipment and report any damages to the Contracting Officer’s Representative (COR).

G. RIGHTS-OF-WAY:

1. GENERAL: Orient construction methods and equipment to utilize Government-furnished rights-of -way or obtain additional temporary access without additional cost to WAPA. Any additional temporary access acquired by the Contractor shall have prior COR approval, since several areas of the transmission line have travel restricted areas. During the contract period, WAPA reserves the right to use Contractor-obtained access.

H. GEOLOGIC INVESTIGATIONS:

The Geotechnical Engineering Report prepared by Terracon, report No. 65185269, dated January 25, 2018 is incorporated into these Project Specifications as a requirement for design and construction of this project. The report is included as Appendix A.

The 8000-series geologic logs of subsurface explorations included in the “Drawings” Division constitute the information and records of geologic investigations for the work. Locations of subsurface investigations are shown on the Drawings.

Samples and cores of recovered material were not retained. Bidders shall obtain their own samples and perform tests on the material to evaluate properties, which they believe to be significant. WAPA does not guarantee that the geologic information and records show the conditions that will be encountered in performing the work, but only that the geologic information and records show conditions encountered at the particular point and time the information and records were obtained.

The geologic information may not indicate variations, such as those caused by seasonal fluctuations in rainfall and other factors, which may af fect the water level. The Contractor shall determine the nature of material to be excavated, the difficulties of making and maintaining required excavations and doing other work affected by geology and ground water elevations at the worksite.

I. ELECTRIC POWER FOR CONSTRUCTION PURPOSES:

Electric power up to a maximum of approximately 10-kVA for construction purposes will be available without cost. Source of supply is located in the receptacles or station service throughout the substation. The Contractor may furnish power for his operations by other means at no additional cost to WAPA. Power made available by WAPA will be delivered as single-phase, 60Hz, AC, at approximately 120-240 V. Coordinate with the COR for establishing electric power service.

The Contractor may furnish power for his operations by other means at no additional cost to WAPA.

Make arrangements and provide all electric power for construction purposes. Provide necessary transmission lines, distribution circuits, transformers and other electrical equipment for distributing the power to the places of use. At contract completion, remove temporary electrical equipment and distribution lines.

J. WATER FOR CONSTRUCTION PURPOSES:

Furnish water for construction purposes. Make arrangements for obtaining the water and provide for conveying the water to the points of use.

K. EXPLOSIVES AND BLASTING:

Explosives shall not be used.

L. BURIED UTILITIES:

Prior to excavation, examine the area and determine the location of buried utilities. Utilities shall be identified with a marker denoting the type of service.

M. EMPLOYEE REQUIREMENTS:

In addition to the requirements listed in WAPA Construction Standard 1.4.3 all employees are restricted f rom wearing a headset, headphone or other listening device, other than a hearing aid or instrument for the improvement of defective human hearing, hearing protection worn as the hazard exists or for communication purposes while on a WAPA jobsite.

N. ELECTRICAL MINIMUM APPROACH DISTANCES:

In addition to the requirements listed in WAPA Construction Standard 1.4.9 equipment other than cranes and derricks, conductive objects or personnel, shall not be brought closer to energized facilities than the electrical minimum approach distances established by OSHA 1926.958(b), “Materials, Handling and Storage”. The less stringent equipment clearance distances established by OSHA 1926.960, “Working On or Near Exposed Energized Parts”, Table V-5 and Table V-6, may only be used af ter the Contractor has completed and submitted WAPA’s Electrical Clearance Variance form and has received the signed form in return from the COR.

O. SUBMITTALS AND CORRESPONDENCE:

1. GENERAL: The Contractor shall furnish submittals via email as specified in the Construction Standards and this Project Specification to the email address listed under the Transmittal section below and with the following requirements:

a. Submittals shall be in standard PDF, Microsoft Word (.doc/.docx), Microsoft Excel

(.xls/.xlsx), Electronic CAD (.dwg) (AutoCAD 2010 or 2014) or formats. All submittals in .dwg format shall also be submitted in .pdf format.

b. All submittals shall include the WAPA Contract number with the 3-digit Specification number, if applicable (9503218CWA000XXX-XXX WAPA project title, Bidding Schedule Contract Line Item Number (CLIN) and applicable division number.

c. Multiple CLIN’s on a single submittal are not permitted.

d. A cover transmittal letter in Microsoft Word or PDF format shall be included with each email submittal.

2. TRANSMITTAL: The Contractor shall submit all correspondence (Request for Information, Submittals, etc.) to the following email addresses care of the COR.

Desert Southwest Region

ATTN: G5600

Email: DSW-G5600-CS@wapa.gov

3. SUBMITTAL RESPONSE: WAPA will provide a response to all submittals in accordance with

Division 1.D.2 of these specifications with an “Acceptable” or “Not Acceptable” status, with comments as appropriate to the email address where the submittals originated.

4. PHYSICAL SAMPLE SUBMITTALS: When physical specimens or digital media are required to be submitted for approval, (i.e. brick samples, roofing material samples, carpeting, CDs, DVDs, etc.) the Contractor shall provide a digital cover letter outlining the physical sample submittal prior to sending the sample (including tracking data when applicable) and shall deliver physical specimens to:

Western Area Power Administration

ATTN: A7900

12155 W. Alameda Parkway Lakewood, CO 80228-2802

5. PROJECT PROTOCOL:

a. Electronic Correspondence:

EMAIL SUBMITTAL FORMAT:

Subject Line in Email Submittal number, Subject, Applicable Standard Number, Project Name/Number, and Contract Number Example: Submittal 017, Steel Compression Dead Heads-Std 10, Pinnacle Peak Breaker

Replacement, 9503218CWA000XXXX-XXX

b. Payment Requests:

EMAIL PAYMENT REQUEST FORMAT:

Invoice number and Project Name/Number and Contract Number Example: Invoice 01, Pinnacle Peak Breaker Replacement,9503218CWA000XXXX-XXX

c. Certif ied Payrolls-Prime and Subcontractors:

EMAIL CERTIFIED PAYROLL FORMAT:

Certif ied Payroll (CP), Contractor’s names, Week ending (WE), and Project Name/Number, and Contract Number Example: CP-(Smith Inc., Bob’s Electrical), WE 09/12/18 and 09/19/18, Pinnacle Peak Breaker

Replacement, 9503218CWA000XXXX-XXX

d. Request for Information:

EMAIL (REQUEST FOR INFORMATION) FORMAT:

Request for Information (RFI), Project Name/Number, and Contract Number Example: RFI-003, Labeling Info, Pinnacle Peak Breaker Replacement, 9503218CWA000XXXX-XXX

DIVISION 2 – SITEWORK

A. DESCRIPTION OF BIDDING SCHEDULE ITEMS:

1. Bidding Schedule item “Miscellaneous sitework” includes the following:

a. Removing and disposing of existing gravel surfacing in disturbed areas.

b. Providing new gravel surfacing in disturbed areas and restoring to original f inal grade.

Provide localized grading and add gravel surfacing around platforms to keep f irst step of operating platforms to a maximum of 9-inches.

c. Providing a soil-applied herbicide where gravel surfacing is placed.

d. Modifying existing concrete foundations as shown on Existing Installation Drawings

PPK 2084 and PPK 2085 in locations as indicated on Existing Installation foundation area plans PPK 2004-2 and PPK 2004-3. Modification involves cutting off existing anchor bolts f lush with the top of concrete, painting exposed end of anchor bolts with zinc-rich paint and installing new epoxy anchors.

2. Bidding Schedule item “Demolition” includes the following:

a. Completely removing concrete foundations designated on Existing Installation Drawings

PPK 2004-2 and PPK 2004-3. Foundation outline and reinforcement details are shown on Existing Installation Drawings PPK 2084 and PPK 2085, and Drawing PPK 2020.

3. Bidding Schedule does not contain separate items for the following. Include these items in applicable Bidding Schedule items.

a. Excavations for foundations, structures and trenches.

b. Placing and compacting earth material and backfill.

c. Providing gravelfills under concrete foundations as shown on the Drawings.

d. Disposing of excavated material. Material f rom excavations not suitable or required for earthwork shall be removed f rom the substation and access road right-of-way. The Contractor shall make arrangements required for disposal of waste material in an approved landf ill.

e. Epoxy Anchors. Post installed epoxy anchor system shall be provided and installed by personnel qualified by the anchor system manufacturer.

DIVISION 3 – CONCRETE

A. GENERAL:

1. MATERIAL:

a. Cement: Type II cement. Types are according to ASTM C 150.

b. Compressive Strength: 4000-psi at 28-days for concrete.

c. Water-Cement Ratio: Net water-cement ratio, exclusive of water absorbed by the aggregates, shall not exceed 0.52 by weight for NESC light loading areas.

d. Type A and D water-reducing and retarding admixtures may be used if approved by the

COR.

e. Class F f ly ash in accordance with ASTM C 311 (regarding test data), ASTM C 618 (regarding material) and Standard 3 – Concrete (regarding WAPA-specific requirements). Proposed concrete mix designs shall incorporate fly ash up to a maximum of 20-percent; minimum 28-day compressive strength shall be maintained in mix design.

2. TEST FOR POTENTIAL REACTIVITY OF SAND AND COARSE AGGREGATE: Perform test for each source used.

3. REBAR DEVELOPMENT (LD) AND LAP LENGTH:

a. Class B lap splices apply unless noted otherwise; refer to Table 3 on Standard Drawing 01 2004-1 General Outline and Reinforcement Notes.

b. Typical closed circular tie lap splice lengths for drilled piers and columns, 4,000- 4,500-psi normal weight concrete, unless noted otherwise, are 18-inches for No. 3 ties, 24-inches for No. 4 ties, and 30-inches for No. 5 ties.

B. DESCRIPTION OF BIDDING SCHEDULE ITEMS:

1. Bidding Schedule item ”Concrete foundations” includes the following:

a. Earthwork, formwork, reinforcement, material used in concrete, void forming material, drilling and grouting anchor bars, anchor bolts, curing, f inishing, joints and other related work and material needed to complete the concrete construction.

b. Concrete foundations for electrical equipment.

Measurement for quantities for concrete foundations will be made on the basis of concrete quantities shown on Drawing PPK 2088-2. If separate quantities of formed and auger concrete for each type of foundation are shown on the Drawing, the concrete quantity shall be the total of the formed and auger concrete quantities. Regardless of the concrete quantities actually placed, payment will be based on the quantities of concrete shown on the Drawing.

DIVISION 4 – SUBSTATION METALWORK

1. GOVERNMENT-FURNISHED DRAWINGS: Existing shop drawings for steel structures are not available.

2. MEASUREMENT: Measurement for quantities for Bidding Schedule items “Steel structures, welded (galvanized)” will be made on the basis of weights calculated in accordance with LRFD, “AISC Code of Standard Practice for Steel Buildings and Bridges”, except that weights for nonrectangular shapes and plates are to be based on actual detailed dimensions.

a. Steel structure weights, calculated as noted above, are shown on the Government-furnished shop drawings and shall be shown on the Contractor-furnished f inal shop drawings and payment will be based thereon. Steel estimated weights are shown on the specifications drawings for the structures requiring approval drawings as noted in the Bidding Schedule items “Steel structures, welded (galvanized)”.

1. Bidding Schedule item “Steel structures, welded (galvanized)” includes providing the following:

a. Equipment cabinet platforms as follows, including gratings, as shown on Drawing 31 2044.

(1) Twelve (12) - Type III for the 345-kV Circuit Breakers.

(2) Eight (8) – Type I for the 345-kV Circuit Breaker Control Cabinet.

(3) *One (1) – Yard Panel Support – Type I, as shown on Drawing PPK 2602.

*Denotes structures requiring approval drawings.

The above material including connection bolts, nuts, washers and lock nuts shall be galvanized.

DIVISION 9 – SUBSTATION - ELECTRICAL

A. GENERAL: Electrical equipment and material shall be as specified in WAPA’s “WAPA ES” standard equipment specifications, as shown on project drawings and in accordance with NEMA, ANSI, IEEE, ICEA, ASTM, NEC, NESC, UL and Federal specifications and standards as applicable. Applicable requirements shall be met under the following service conditions:

Ambient Temperatures:

Maximum ................................................................+55°C Maximum 24-Hour Average .......................................+45°C Minimum ..................................................................-10°C

Elevation:

Above Mean Sea Level ...................................... 2,000-Feet

*ASCE-7 Wind Load

Minimum Basic Wind Speed.................................... 90-MPH Importance Factor ...................................................... 1.15

*IEEE 693 Seismic Qualification .....................................Moderate

*May include support structure in accordance with STANDARD 9.1.1.2. Wind and seismic loads are nonsimultaneous.

1. Bidding Schedule for Government-furnished items including associated supporting structures when furnished require the Contractor to provide:

a. Unless otherwise indicated, unloading and inspecting Government-furnished items.

b. Installing Government-furnished items as shown on drawings.

c. Furnishing equipment and material not furnished by WAPA

2. Bidding Schedule for items (not furnished by the Government) shall be furnished by the

Contractor and shall include the following:

a. Providing (furnishing and installing) bidding schedule items.

b. Furnishing equipment and material not furnished by WAPA.

c. Installing bidding schedule items as shown on drawings.

3. Unless otherwise specified, associated support structures provided for each electrical equipment rated above 7-kV shall be 102-inches in height and hot-dip galvanized, if made of steel.

Instrument transformers that are seismically qualified shall be 96-inches in height. If tubular steel supports are furnished, they shall be galvanized internally and externally.

4. Installation and painting of electrical equipment and material shall be provided in accordance with

Standards 9 and 12 respectively.

1. Bidding Schedule item “Power circuit breaker, 345-kV, 2,000-amps, 3-phase, single-pole (Government-furnished)”: Includes installing power circuit breakers each consisting of three

(3) single-pole units and one (1) separately mounted master control cabinet. Inter-pole cables have plug connections on the pole unit ends and shall be routed through conduits and terminated with ring lug terminals on terminal blocks in main control cabinets.

Designation

JU1D1, JU1D2, JU1D3,

JU1E1, JU1E2, JU1E3,

JU2D1, JU2D2, JU2D3,

JU2E1, JU2E2, JU2E3

Manufacturer GE

Type Live tank, SF6 Nominal Voltage Rating (kV) 345 Continuous Current (Amps) 2,000

a. The equipment supplier unloaded the power circuit breakers and placed them in temporary storage. The Contractor shall inspect the power circuit breakers for possible damage during shipment or transportation. GE will provide the services of a site representative who will supervise the installation of the column insulators and interrupters, fill the breakers with SF6 gas and perform final checkout and testing of the breakers.

2. Bidding Schedule item “Associated electrical equipment and material” includes providing equipment, material and services required to complete the following substation installations as shown on the Drawings:

a. Electrical Testing: Includes providing electrical testing in accordance with Standard

9, paragraph 9.1.2 Acceptance Tests – Method A.

b. Substation Grounding System: Complete and test the substation grounding system. Unless otherwise specified on drawings, splices, connections and other f ittings may be compression type, DMC Power’s Swage, AFL Swage system, or equal. Tools and installation procedures shall be in accordance with manufacturer recommendations. All new exposed ground wire shall be copper clad steel. NOTE: The included drawings and standards have not been revised to show this new requirement. Paint any exposed copper ground cable with f lat gray colored paint. Informational drawings and data not required for this item. NOTE: Copper clad steel shown on drawings and standard drawings as seven

(7) No. 5 shall be seven (7) No. 4, or 19 No.8, in lieu of seven (7) No. 5. New cable trench grounding shall be two (2) seven (7) No. 4, or two (2) nineteen (19) No. 8, copper-clad steel conductors in lieu of two (2) 2/0 AWG copper conductor as indicated in WAPA Standard

9.2.1.2 (7) as shown on Drawing 31 1061. (For clarif ication, seven (7) No. 4 is seven individual number 4 conductors, stranded together to form a single conductor. Nineteen

(19) No. 8 is nineteen (19) individual No. 8 conductors, stranded together to form a single conductor.)

c. Electrical Conduit System: Electrical conduit system including embedded and exposed conduit. Conduit entering the cable trench with a 90-degree bend is allowed to be Schedule 40 PVC as shown on Drawing 31 1006. All other 90-degree bends shall be rigid metal. A red or yellow polyethylene warning tape shall be installed directly above each conduit run.

Refer to standard Drawing 31 1006. All conduits shall have sealing compound installed at both ends. Informational drawings and data are not required for this item.

d. Outdoor Bus System: Outdoor strain and jumper buses, rigid buses and overhead ground wire unless otherwise specified on the Drawings, splices, elbows, pad type terminal connectors and other fittings used on rigid or cable buses shall be compression type, DMC Power’s Bus and Cable Connectors and Swage System, AFL Swage system or equal.

Tools and installation procedures shall be in accordance with manufacturer recommendations. Post insulators for new structures shall use industry standard 3-, 5- or 7-inch base cap bolt circles in lieu of WAPA Standard 9.3.1.1.3.2 and Drawing 31 1081.

Replacement insulators shall match existing bolt circles. Insulators shall be ANSI 70 gray.

Informational drawings and data are required for the rigid bus, conductors, overhead ground wire and insulators only.

e. Insulated Copper Conductors: Insulated copper conductors and cables shall be in accordance with WAPA’s Constructions Standards 9.2.3. Informational drawings and data are not required for this item.

f. Equipment Identification Signs (31 1000): Lettering on the signs shall be as shown on

Drawing PPK 1105.

3. Bidding Schedule item “Existing outdoor electrical equipment and material” includes constructing a temporary storage facility to hold existing equipment containing PCB oil with 2-ppm or greater. The temporary storage facility shall be in accordance with the standards. Bidding Schedule item “Existing outdoor electrical equipment and material” also includes removal, disposal, modifying and reinstalling existing electrical equipment and material.

a. Material to be removed and disposed of is as follows:

(1) Twelve (12) 345-kV, single-phase power circuit breakers, including four (4) master control cabinets.

(2) Replaced equipment signs.

(3) Substation control, power cables and conduit as designated on the Drawings.

Portions of cables in conduit, trench and/or trays shall be removed and disposed of.

b. Material to be modified by the Contractor is as follows:

(1) Relocate existing power and control cable from existing circuit breakers to new circuit breaker master control cabinets. Contractor shall carefully disconnect, pull back and protect existing cables, and then install and connect them to the new breakers.

Splices will not be allowed.

(2) Relocate existing lighting power cables for lighting units being relocated. Contractor shall carefully disconnect, pull back and protect existing cables, and then connect them to the relocated light units. Splices will not be allowed.

(3) Modify outer phases of PU1A and PU2A series capacitor insulator supports to be similar to center phase. Grind welds, rotate insulator support approximately 45-degrees to be parallel with platform of series capacitor, re-weld insulator support, reconnect bus and jumpers. Contractor shall provide necessary f ittings for reconnecting bus and jumpers.

c. The Contractor shall include any credit to the Government for salvage of the equipment and/or materials in this bid item.

4. Bidding Schedule items “Furnishing 3/C No. 2 AWG DC power cable” and “Furnishing 3/C 500 kcmil DC power cable” include furnishing shielded three-conductor No. 2 AWG cable and shielded three-conductor 500 kcmil cable, respectively. The cable shall be in accordance with WAPA Construction Standards for either multiconductor shielded control cable or multiconductor shielded power cable.

5. Bidding Schedule items “Installing 3/C No. 2 AWG DC power cable” and “Installing 3/C

500 kcmil DC power cable” include installing shielded three-conductor No. 2 AWG cable and shielded three-conductor 500 kcmil cable, respectively. The construction contractor shall install 3/C-2 cable between the new outdoor DC distribution panelboard and each new power circuit breaker. The construction contractor shall install 3/C-500 kcmil cable for connections between the existing station battery and the new outdoor DC distribution panelboard through the new molded-case breaker disconnect switch and new outdoor junction box as shown on drawing PPK 6488. WAPA crews will make f inal connections to the existing station battery af ter the construction contractor has completed all other terminations of the 500 kcmil cable and the new DC panelboard is ready to energize. The shield and unused conductor in each cable run shall be grounded at both ends. Cables shall be routed through existing cable trenches and new or existing conduits.

6. Bidding Schedule item “Outdoor DC Distribution Panelboard” includes providing the outdoor

DC distribution panelboards designated BU2B as shown on Drawings PPK 6488. Panelboards shall be Square D I-Line or equal. The DC distribution panel shall be rated for use on 3-wire, 125/250-VDC systems, have a minimum interrupting rating of 10-kA at 250-VDC and rated to accommodate wire up to 500-kcmil on the line input. Molded-case circuit breakers which have markings requiring two (2) or more poles in series for use on DC systems are not acceptable.

The distribution panelboard enclosures shall be NEMA 4X and large enough to house branch circuit breakers and condensation heaters as shown on the Drawings. The distribution panelboard shall be in accordance with WAPA’s Equipment Standards 2.4. Provide Hoffman locking door handle or equal in lieu of the standard NEMA 4X door clamps.

7. Bidding Schedule item “Outdoor DC Junction Box” includes providing the outdoor DC junction box as shown on Drawings PPK 6488. The junction box enclosures shall be NEMA 4X and large enough to accommodate power distribution terminal blocks (Schneider NSYEBCP27628, Square D 9080LBA265208/with cover or equal), two (2) 1-3/C-500-kcmil cables (bending radius approximately 14-inch), two (2) 5/C-10 cables and grounding bar. The junction box shall be mounted to an existing lattice steel structure using suitable galvanized mounting materials and hardware. The junction box shall be installed near existing panelboard BU2A complete with conduit for new supply connections to BU2A.

8. Bidding Schedule item “Indoor DC Molded Case Breaker Disconnect Switch” includes providing the DC molded case breaker disconnect switch. The new disconnect switch shall be mounted on the wall approximately 6 feet above the raised f loor near existing DC distribution board BHB and above abandoned battery charger BHC1 (which will be removed by WAPA crews before disconnect switch installation) as directed by the COR. The cable from the station battery to the disconnect switch shall be routed through an existing cable trench in the concrete floor which has a f ire seal at the battery room wall. The trench shall be resealed with suitable fire sealing material af ter the cable is installed. The indoor DC molded case breaker disconnect switch is designated BHB2. The DC molded case breaker disconnect switch shall be rated for use on 3-wire, 125/250-VDC systems, have a minimum interrupting rating of 10-kA at 250-VDC and rated to accommodate wire up to 500 kcmil on the line and load side. Molded-case circuit breakers which have markings requiring two (2) or more poles in series for use on DC systems are not acceptable. The molded case breaker disconnect switch shall be in accordance with WAPA’s Equipment Standard 2.4.

DIVISION 13 – EVIRONMENTAL QUALITY PROTECTION

A. CONTRACTOR-FURNISHED DATA:

1. Bidding Schedule does not contain separate items for the following. Include these items in applicable Bidding Schedule items:

a. Environmental Quality Protection includes the following:

(1) Contractor Furnished Data (see Section 13.2 of the Standards)

(2) Environmental Requirements (see Section 13.3 of the Standards).

(3) Landscape Preservation (see Section 13.4 of the Standards).

(4) Preservation of Cultural and Paleontological Resources (see Section 13.5 of the

Standards).

(5) Noxious Weed Control (see Section 13.6 of the Standards).

(6) Recycled Material Quantities (see Section 13.7 of the Standards).

(7) Use of Recovered and Biobased Material Products (see Section 13.8 of the

(8) Disposal of Waste Material (see Section 13.9 of the Standards).

(9) Contractor’s Liability for Regulated Material Incidents (see Section 13.10 of the

(10) Pollutant Spill Prevention, Notification, and Cleanup (see Section 13.11 of the

(11) Pesticides (see Section 13.12 of the Standards).

(12) Treated Wood Utility Poles and Crossarms Recycling or Disposal (see Section 13.13 of the Standards).

(13) Prevention of Air Pollution (see Section 13.14 of the Standards).

(14) Handling and Management of Asbestos Containing Material (see Section 13.15 of the

(15) Material with Lead-Based Paint (see Section 13.16 of the Standards).

(16) Prevention of Water Pollution (see Section 13.17 of the Standards).

(17) Testing, Draining, Removal, and Disposal of Oil-Filled Electrical Equipment (see

Section 13.18 of the Standards).

(18) Removal of Oil-Contaminated Material (see Section 13.19 of the Standards).

(19) Conservation of Biological Resources (see Section 13.20 of the Standards).

B. SPECIAL CONDITIONS

1. ENVIRONMENTAL PLANNING REQUIREMENTS:

a. Prior to obtaining borrow material, the Contractor shall provide the COR with a cultural resources survey report prepared by an archaeologist permitted by the Arizona State Museum or federal land manager and a biological resources report prepared by a qualified biologist covering the proposed borrow location. Alternately, the Contractor may use material source pits approved by the Arizona Department of Transportation (ADOT). A list of ADOT approved locations can be found here:

https://azdot.gov/sites/default/files/2019/06/List-of-Contractor-Furnished-Material-Sources- That-Have-Completed.pdf. If the borrow material is located within a wash or wetland, the Contractor shall provide the COR with a preliminary jurisdictional delineation report or a permit issued by the U.S. Army Corps of Engineers. WAPA requires 90-calendar-days to review the reports in regards to the Endangered Species Act, Clean Water Act, National Environmental Policy Act and the National Historic Preservation Act. No excavation at the proposed borrow location shall be performed until approved by the COR.

b. The Contractor shall store or stage equipment and materials within the Pinnacle Peak substation fence. If the Contractor proposes to use an alternative location, then the Contractor shall provide the COR with a description of the area and any planned improvements (e.g., grading, compacting, surfacing, fencing, etc.), a cultural resources survey report prepared by an archaeologist permitted by the federal land manager or the appropriate state agency and a biological resources report prepared by a qualified biologist covering the proposed location. If the location occurs within a wash or wetland, the Contractor shall provide the COR with a preliminary jurisdictional delineation report or a permit issued by the U.S. Army Corps of Engineers. WAPA requires 90-calendar-days to review the reports in regards to the Endangered Species Act, Clean Water Act, National Environmental Policy Act and the National Historic Preservation Act. No ground-disturbing activities at the proposed location shall be performed until approved by the COR.

c. The Contractor shall restrict all ground-disturbing activities to remain within the Pinnacle

Peak substation fence. If the Contractor proposes to work outside the fence, then the Contractor shall provide the COR with a description of the work and its location, a cultural resources survey report prepared by an archaeologist permitted by the federal land manager or appropriate state agency and a biological resources report prepared by a qualif ied biologist covering the proposed location. If the location occurs within a wash or wetland, the Contractor shall provide the COR with a preliminary jurisdictional delineation report or a permit issued by the U.S. Army Corps of Engineers. WAPA requires 90-calendar-days to review the reports in regards to the Endangered Species Act, Clean Water Act, National Environmental Policy Act, and the National Historic Preservation Act. No ground-disturbing activities at the proposed location shall be performed until approved by the COR.

2. PRESERVATION OF CULTURAL AND PALEONTOLOGICAL RESOURCES:

a. WAPA determined during planning that known cultural or paleontological resources are not present in the work area (see Section 13.5.2 of the Standards). The Contractor could encounter unknown cultural or paleontological resources during the work (see Section

13.5.4 of the Standards).

b. WAPA determined during planning that cultural, paleontological or tribal monitors are not needed in the work area, because known resources are not present. The Contractor shall coordinate with WAPA-supplied monitors, if WAPA later determines that they are needed (see Section 13.5.3 of the Standards).

c. The Contractor shall stop all activities with a 200-foot-radius of a cultural or paleontological resources discovery (see Section 13.5.4.1 of the Standards).

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3. PREVENTION OF AIR POLLUTION:

a. General: The Contractor shall ensure that construction activities and the operation of equipment are undertaken to reduce the emission of air pollutants. The Contractor shall complete and submit a Dust Control Operating Permit (DCOP) Application plus pay any permit fees to Maricopa County Department of Air Quality (DAQ) before construction activities begin within Maricopa County. The Contractor shall submit the appropriate fee (depending on total surface area disturbed) with the DCOP Application. The Contractor shall submit a copy of the application and Dust Control permit to the COR 14-days prior to the start of work.

See http://www.maricopacountyaz.gov/airquality/compliance/Pages/Compliance_DustFor ms.aspx.

b. Machinery Air Emissions: The Contractor and subcontractor machinery shall have, and shall use, the air emissions control devices required by Federal, State or local regulation or ordinance. The Contractor shall submit a copy of permits, plans and completed forms approved by the appropriate regulating agencies to the COR 14-days prior to the start of work.

c. Dust Abatement: The Contractor shall control dust as listed in the Maricopa County Air

Quality Regulations Section 94. The Contractor shall be familiar with Section 94. The Contractor shall not use oil as a dust suppressant. Dust suppressants shall be approved by the COR prior to use.

d. Sulfur Hexaf luoride Emissions: The Contractor shall handle and report SF6 gas in accordance with the Standards (see Section 13.14.4 of the Standards). In addition, the Contractor shall furnish SF6 gas in cylinders shipped under a Department of Transportation hazardous materials Bill of Lading. The cylinders shall meet all Compressed Gas Association (CGA) packaging requirements and shall be marked, labeled and in all ways prepared for shipment in compliance with Federal, State and local transportation regulations. The cylinders and other packaging shall be reusable for returning the cylinders and excess SF6 gas to the supplier. A Contractor’s representative shall be onsite when adding gas to equipment. Gas cylinders furnished for initial filling of equipment shall remain the property of the Contractor. The Contractor shall be responsible for removal of the cylinders and unused gas associated with those cylinders, from WAPA property before the end of the contract.

4. PREVENTION OF WATER POLLUTION:

a. General: Ensure that surface and ground water is protected f rom pollution caused by construction activities and comply with all applicable regulations and requirements. Ensure that streams, waterways and other watercourses are not obstructed or impaired unless the appropriate Federal, State or local permits have been obtained. The Contractor shall obtain a storm water discharge permit, develop and implement a Storm Water Pollution Prevention Plan (SWPPP) for the project, if applicable. For more information, see:

https://maricopa.az.gov/water/water-pollution-control/permitting/stormwater-discharge-permits.

5. CONSERVATION OF BIOLOGICAL RESOURCES:

a. WAPA determined during planning that known protected species or habitat are not present within the work area (see Section 13.20.4 of the Standards). The Contractor could encounter unknown protected species or habitat during the work (see Section 13.20.5 of the

b. During migratory bird and raptor nesting season, which in the project area starts February

15 and ends July 31, the Contractor shall coordinate activities with a WAPA-supplied biologist to implement procedures described in Section 13.20.2 of the Standards.

DIVISION 15 – DRAWINGS

1. CONSTRUCTION DRAWINGS: Af ter award of contract, WAPA will put all suitable for construction drawings on the SharePoint site. (No hard copies will be provided)

B. AS-BUILT DRAWINGS:

1. GENERAL: The Contractor shall keep one complete set of full-size construction drawings at the job site solely for the purpose of recording as-built conditions. The drawings shall be marked to show any change or variation in the actual construction, which does not match the construction drawings. The as-built set of drawings shall not be used for construction purposes.

2. RECORDING INFORMATION: Record information on the drawings concurrently with construction progress. Do not conceal work until the required information is recorded. Mark all drawings af fected by the actual work which varies from the construction drawings.

2. MARKING OF DRAWINGS: As-built drawing marking shall be as follows:

(1) Additions and notes in red.

(2) Deletions in green.

(3) Explanation notes in blue.

3. DRAWING REVIEW: The marked set of as-built drawings shall be available for inspection at all times. Prior to all progress payments, the Contractor and Western shall review the marked drawings to verify that all as-built conditions have been recorded. Progress payments may be withheld until the drawings are updated.

4. AS-BUILT INFORMATION TO BE RECORDED: Mark drawings with all actual construction which does not match the construction drawings including:

(1) Field changes of dimension and detail.

(2) Changes made by modifications.

(3) Details not shown on original drawings.

(4) Other information required to describe the as-built construction.

5. SUBMITTALS: Deliver complete set of…