BRAZOS REGIONAL PUBLIC
UTILITY AGENCY
REQUEST FOR QUOTATION
FOR
SWITCHGEAR AND ELECTRICAL APPURTENANCE
REPLACEMENT
JUNE, 2016
402 Cedar, Abilene, Texas 79601
Phone: (325) 698-5560 Fax: (325) 691-0058
Website: e-ht.com
PE Firm Registration No. 1151
PG Firm Registration No. 50103
RPLS Firm Registration Nos. 10011900 & 10007300
REQUEST FOR QUOTATION
BRAZOS REGIONAL PUBLIC UTILITY AGENCY
SWITCHGEAR AND ELECTRICAL APPURTENANCE REPLACEMENT
Introduction
The Brazos Regional Public Utility Agency (BRPUA) is requesting the submission of a Quotation Package
for providing the tools, equipment, labor, and materials required for the replacement of the existing
switchgear at the Surface Water and Treatment System (SWATS) Facility located in Granbury, Texas. This
request for quotation (RFQ) solicits information that will enable BRPUA to determine the lowest qualified
quotation from a Contractor for the replacement of the switchgear and appurtenances.
Background
The main switchgear for the primary power feed into the BRPUA SWATS Facility was originally installed as
a part of the original plant construction in 1988. This equipment has reached the end of its useful life and is
no longer functioning as originally designed. Additionally, BRPUA has begun a systematic replacement of
the existing power cable throughout the system. As the next stage in this replacement program, the cable
run between the existing Electrical Building and the Carbon Dioxide (CO2) feed building and the cable run
between existing Electrical Building and the High Service Pump Station are scheduled to be replaced.
All materials and equipment used in the switchgear and electrical appurtenances replacement shall be
constructed in accordance with the Specifications provided with the RFQ. The proposed replacement shall
include, but not be limited to the following:
•
•
•
•
•
Remove main Switchgear and replace with new equipment with the same electrical characteristics.
Remove two 25kv cable sets beginning at the main Switchgear, with one ending at CO2 Building
and one ending at Building-800.
Clear conduit and install new cable.
Install new load-break elbow connections.
Test cable and place the system back into normal operation.
Electrical Service for the SWATS Facility can be turned off for a maximum of 12 hours while the
replacement of the switchgear and electrical appurtenances are being completed. It is anticipated that
these improvements will be completed in three phases to accommodate the maximum power outage. A
breakdown of the anticipated work to be completed is as follows:
Phase-1:
• Turn off the incoming power from the utility company.
• Remove the existing switchgear.
• Remove the 25kv cable feeding the CO2 Building.
• Temporarily connect the incoming cable to the cable feeding Building-800.
• Restore utility power to the facility utilizing the loop and the dead band will be the removed cable.
Phase-2:
• Lock down the switchgear building and return the facility to water production.
• Prepare materials for Phase-3.
Phase-3:
 Remove the 25kv cable feeding Building-800.
 Install the new switchgear.
 Install new cable, terminate and test.
 Complete new system, contractor to inspect and commission.
 Restore facility power.
The quotation provided shall include all tools, equipment, material, and labor required for the replacement
of the switchgear, coordinate with the power company, provide any temporary power requirements, and
appurtenances required for a complete and operable switchgear and power distribution system. Payment
for construction services rendered will be made following the issuance of the Notice of Final Completion of
Work by the Owner and Engineer.
RFQ Proposal Package
The RFQ Proposal Package shall include the following components:

Transmittal Letter: The letter will provide the names, title, address (physical and mailing) and
telephone number of the official contact.

Insurance and Bonding: Contractor will provide a Certificate of Insurance or Copy of Policy and Bid
Bond. Refer to attached Certificate of Insurance and Bid Bond Documents.

Construction Plan: Contractor shall provide the information for the equipment and materials
proposed for the Switchgear and Electrical Appurtenance Replacement including anticipated
equipment, personnel, certifications, construction method, and schedules.

Quotation: The quotation for the Switchgear and Electrical Appurtenance Replacement shall
include all tools, equipment, materials, labor, and appurtenances required for a complete and
operable power distribution system as described above.

References: BRPUA will contact references. References must include: Project Name & Location,
Installing Contractor’s name and contact information, specific Owner contacts, list name(s) and
phone number(s) of the Owner(s) representatives, name and phone number of Project Engineer,
and brief description of the projects.
Submission of Proposal Package
Packages may be delivered by courier or mail. No faxes will be accepted. The Proposal Package should be
in a sealed envelope which is clearly labeled and addressed as follows:
CONFIDENTIAL: PROPOSAL ENCLOSED
SWITCHGEAR AND ELECTRICAL APPURTENANCE REPLACEMENT
Brazos Regional Public Utility Agency
Attn: Mr. Taymoor Yousefi
5912 Matlock Road
Granbury, Texas 76049
Regardless of submission method, the submission deadline for quotations is no later than 3:00 pm, local
time, Wednesday, July 20, 2016. BRPUA may not review packages submitted in any other format than
those identified above. Late proposals will not be accepted for review under any circumstances. In case of
ambiguity or lack of clearness in stating prices in the proposal, BRPUA reserves the right to adopt the most
advantageous construction thereof to BRPUA or to reject the quotation.
Questions regarding this RFQ should be sent in writing to Mr. Colden Rich, P.E., eHT, 402 Cedar Street,
Abilene, TX 79601, email: colden.rich@e-ht.com. Requests for site visits to BRPUA’s SWATS Facility shall
be sent to Mr. Rich, who will coordinate with BRPUA.
Evaluation Factors
The following factors, in order of relative importance, will be used in identifying the proposal best suited for
our application:
•
•
•
•
•
Completeness of Submittal Package
Contractors familiarity with the WTP and Electrical Systems
Quotation for the proposed work and services
Similar installations within the past 5 years
Familiarity with the area and work experience therein
Advertisement to Bid
ADVERTISEMENT TO BID
Brazos Regional Public Utility Agency
The Brazos Regional Public Utility Agency will receive sealed Quotations for the SWITCHGEAR AND
ELECTRICAL APPURTENANCE REPLACEMENT until 3:00 p.m. local time on July 20, 2016, at the
SWATS Facility, located at 5912 Matlock Road, Granbury, Hood County, Texas 76049. Bids shall be
addressed to Mr. Taymoor Yousefi. Bidding Documents may be examined at:
ENPROTEC / HIBBS & TODD, INC.
2901 Glen Rose Highway
Granbury, Texas 76048
or
brpua.org
Copies of the Bidding Documents may be obtained from the Engineer’s Issuing Office, 402 Cedar Street,
Abilene, TX 79601, 325/698-5560, 325/691-0058 Fax.
Each Bid shall be accompanied by a Cashier’s Check or Bid Bond, acceptable to the Owner, in an amount
not less than five percent (5%) of the total amount bid, as a guarantee that the successful bidder will enter
into a proper Contract and execute Bonds on the forms provided in the Contract Documents. Bid sureties
will be returned to all but the three lowest acceptable bidders within five days after the opening of
Quotations. Remaining bid sureties will be returned after complete execution of the Contract.
Payment for construction services will be made following the issuance of the Final Completion of Work by
the Owner and Engineer.
Date Issued:
By:
June 29, 2016
Mr. Allen Mullins, CPA
Brazos Regional Public Utility Agency
00030-1/1
Bid Bond
PENAL SUM FORM
BID BOND
Any singular reference to Bidder, Surety, Owner or other party shall be considered plural where applicable.
BIDDER (Name and Address):
SURETY (Name and Address of Principal Place of Business):
OWNER (Name and Address):
BID
Bid Due Date:
Description (Project Name and Include Location):
BRPUA SWATS Facility Switchgear and Electrical Appurtenance Replacement Project
BOND
Bond Number:
Date (Not earlier than Bid due date):
Penal sum
(Words)
$
(Figures)
Surety and Bidder, intending to be legally bound hereby, subject to the terms set forth below, do each cause this Bid Bond
to be duly executed by an authorized officer, agent, or representative.
BIDDER
SURETY
(Seal)
(Seal)
Bidder’s Name and Corporate Seal
Surety’s Name and Corporate Seal
By:
By:
Signature
Signature (Attach Power of Attorney)
Print Name
Print Name
Title
Title
Attest:
Attest:
Signature
Signature
Title
Title
Note: Above addresses are to be used for giving any required notice. Provide execution by any additional parties, such as
joint venturers, if necessary.
EJCDC C-430 Bid Bond (Penal Sum Form)
Prepared by the Engineers Joint Contract Documents Committee.
Page 1 of 2
PENAL SUM FORM
1. Bidder and Surety, jointly and severally, bind themselves, their heirs, executors, administrators, successors, and assigns
to pay to Owner upon default of Bidder the penal sum set forth on the face of this Bond. Payment of the penal sum is the
extent of Bidder’s and Surety’s liability. Recovery of such penal sum under the terms of this Bond shall be Owner’s sole and
exclusive remedy upon default of Bidder.
2. Default of Bidder shall occur upon the failure of Bidder to deliver within the time required by the Bidding Documents (or
any extension thereof agreed to in writing by Owner) the executed Agreement required by the Bidding Documents and any
performance and payment bonds required by the Bidding Documents.
3. This obligation shall be null and void if:
3.1
Owner accepts Bidder’s Bid and Bidder delivers within the time required by the Bidding Documents (or any
extension thereof agreed to in writing by Owner) the executed Agreement required by the Bidding Documents and
any performance and payment bonds required by the Bidding Documents, or
3.2
All Bids are rejected by Owner, or
3.3
Owner fails to issue a Notice of Award to Bidder within the time specified in the Bidding Documents (or any
extension thereof agreed to in writing by Bidder and, if applicable, consented to by Surety when required by
Paragraph 5 hereof).
4. Payment under this Bond will be due and payable upon default of Bidder and within 30 calendar days after receipt by
Bidder and Surety of written notice of default from Owner, which notice will be given with reasonable promptness, identifying
this Bond and the Project and including a statement of the amount due.
5. Surety waives notice of any and all defenses based on or arising out of any time extension to issue Notice of Award
agreed to in writing by Owner and Bidder, provided that the total time for issuing Notice of Award including extensions shall
not in the aggregate exceed 120 days from Bid due date without Surety’s written consent.
6. No suit or action shall be commenced under this Bond prior to 30 calendar days after the notice of default required in
Paragraph 4 above is received by Bidder and Surety and in no case later than one year after Bid due date.
7. Any suit or action under this Bond shall be commenced only in a court of competent jurisdiction located in the County /
District in which the Project is located.
8. Notices required hereunder shall be in writing and sent to Bidder and Surety at their respective addresses shown on the
face of this Bond. Such notices may be sent by personal delivery, commercial courier, or by United States Registered or
Certified Mail, return receipt requested, postage pre-paid, and shall be deemed to be effective upon receipt by the party
concerned.
9. Surety shall cause to be attached to this Bond a current and effective Power of Attorney evidencing the authority of the
officer, agent, or representative who executed this Bond on behalf of Surety to execute, seal, and deliver such Bond and bind
the Surety thereby.
10. This Bond is intended to conform to all applicable statutory requirements. Any applicable requirement of any applicable
statute that has been omitted from this Bond shall be deemed to be included herein as if set forth at length. If any provision of
this Bond conflicts with any applicable statute, then the provision of said statute shall govern and the remainder of this Bond
that is not in conflict therewith shall continue in full force and effect.
11. The term “Bid” as used herein includes a Bid, offer, or proposal as applicable.
EJCDC C-430 Bid Bond (Penal Sum Form)
Prepared by the Engineers Joint Contract Documents Committee.
Page 2 of 2
Certificate of Insurance
CERTIFICATE OF INSURANCE
TO:
Date
Project No
Type of
Owner
Project
Address
THIS IS TO CERTIFY THAT
(Name and address of Insured)
is, at the date of this certificate, insured by this Company with respect to the business operations hereinafter described, for the types of
Insurance and in accordance with the provisions of the standard policies used by this Company, and further hereinafter described.
Exceptions to standard policy noted on reverse side hereof.
TYPE OF INSURANCE
Policy No.
Effective
Expires
Limits of Liability
Workmen's
Compensation
Public Liability
1 Person $________________
1 Accident $ ______________
Contingent Liability
1 Person $ _______________
1 Accident $______________
Property Damage
Builder's Risk
Automobile
Other
The foregoing Policies (do) (do not) cover all sub-contractors.
Locations Covered:
Descriptions of Operations Covered:
The above policies either in the body thereof or by appropriate endorsement provide that they may not be changed or canceled by
the insurer in less than five days after the insured has received written notice of such change or cancellation.
Where applicable local laws or regulations require more than five days actual notice of change or cancellation to the assured, the
above policies contain such special requirements, wither in the body thereof or by appropriate endorsement thereto attached.
(Name of Insurer)
By
Title
00630 - 1
Technical Specifications
SECTION 01340
SUBMITTALS
PART 1 - GENERAL
1.01 SUMMARY
A. Section Includes:
1. Mechanics and administration of the submittal process for:
a. Shop Drawings.
b. Samples.
c. Miscellaneous submittals.
d. Operation and Maintenance Manuals.
2. General content requirements for Shop Drawings.
3. Content requirements for Operation and Maintenance Manuals.
B. Related Sections include but are not necessarily limited to:
1. Division 1 - General Requirements.
2. Sections in Divisions 2 through 17 identifying required submittals.
1.02 DEFINITIONS
A. Shop Drawings:
1. See General Conditions.
2. Product data and samples are Shop Drawing information.
B. Operation and Maintenance (O&M) Manuals:
1. Contain the information required for proper installation and maintenance of building materials and
finishes.
2. Contain the technical information required for proper installation, operation and maintenance of
process, electrical and mechanical equipment and systems.
C. Miscellaneous Submittals:
1. Submittals other than Shop Drawings and O&M Manuals.
2. Representative types of miscellaneous submittal items include but are not limited to:
a. HVAC test and balance reports.
b. Installed equipment and systems performance test reports.
c. Manufacturer's installation certification letters.
d. Instrumentation and control commissioning reports.
e. Warranties.
1.03 SUBMITTAL SCHEDULE
A. Schedule of Shop Drawings:
1. Submitted and approved in accordance with Article 2 of the General Conditions.
2. Account for multiple transmittals under any specification section where partial submittals will be
transmitted.
B. Shop Drawings: Submittal and approval prior to 50 percent completion.
C. Operation and Maintenance Manuals and Completed Equipment Record Sheets: Initial submittal within
90 days after date Shop Drawings are approved.
1.04 PREPARATION OF SUBMITTALS
A. General:
1. All submittals and all pages of all copies of a submittal shall be completely legible.
2. Submittals which, in the Engineer’s sole opinion, are illegible will be returned without review.
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Switchgear and Electrical Appurtenance Replacement
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B. Shop Drawings:
1. Scope of any submittal and letter of transmittal:
a. Limited to one (1) Specification Section.
b. Do not submit under any Specification Section entitled (in part) "Basic Requirements" unless the
product or material submitted is specified, in total, in a “Basic Requirements” Section.
2. Numbering letter of transmittal:
a. Include as prefix the Specification Section number followed by a series number, "-xx",
beginning with "01" and increasing sequentially with each additional transmittal.
b. If more than one (1) submittal under any Specification Section, assign consecutive series
numbers to subsequent transmittal letters.
3. Describing transmittal contents:
a. Provide listing of each component or item in submittal capable of receiving an independent
review action.
b. Identify for each item:
1) Manufacturer and Manufacturer's Drawing or data number.
2) Contract Document tag number(s).
3) Unique page numbers for each page of each separate item.
c. When submitting "or-equal" items that are not the products of named manufacturers, follow
Article 6, Paragraph 6.05 of the General Conditions.
4. Contractor stamping:
a. General:
1) Contractor's review and approval stamp shall be applied either to the letter of transmittal or
a separate sheet preceding each independent item in the submittal.
a) Contractor's signature and date shall be wet ink signature.
b) Shop Drawing submittal stamp shall read "(Contractor's Name) has satisfied
Contractor's obligations under the Contract Documents with respect to Contractor's
review and approval as stipulated under General Conditions Paragraph 6.17C."
c) Letters of transmittal may be stamped only when the scope of the submittal is one (1)
item.
2) Submittals containing multiple independent items shall be prepared with an index sheet for
each item listing the discrete page numbers for each page of that item, which shall be
stamped with the Contractor's review and approval stamp.
a) Individual pages or sheets of independent items shall be numbered in a manner that
permits Contractor's review and approval stamp to be associated with the entire
contents of a particular item.
b. Electronic stamps:
1) Contractor may electronically embed Contractor's review and approval stamp to either the
letter of transmittal or a separate index sheet preceding each independent item in the
submittal.
2) Contractor's signature and date on electronically applied stamps shall be wet ink signature.
5. Resubmittals:
a. Number with original root number and a suffix letter starting with "A" on a new transmittal
form.
b. Do not increase the scope of any prior transmittal.
c. Account for all components of prior transmittal.
1) If items in prior transmittal received "A" or "B" Action code, list them and indicate "A" or
"B" as appropriate.
a) Do not include submittal information for items listed with prior "A" or "B" Action in
resubmittal.
2) Indicate "Outstanding-To Be Resubmitted At a Later Date" for any prior "C" or "D" Action
item not included in resubmittal.
a) Obtain Engineer's approval to exclude items.
6. For all size sheets, provide one (1) electronic copy.
a. The electronic copy will be used to reject/accept.
7. Provide clear space (3 IN SQ) for Engineer stamping of each component defined in PREPARATION
OF SUBMITTALS – Contractor Stamping on electronic copy.
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8.
Contractor shall not use red color for marks on transmittals.
a. Duplicate all marks on all copies transmitted, and ensure marks are photocopy reproducible.
b. Outline Contractor marks on reproducible transparencies with a rectangular box.
9. Transmittal contents:
a. Coordinate and identify Shop Drawing contents so that all items can be easily verified by the
Engineer.
b. Identify equipment or material use, tag number, Drawing detail reference, weight, and other
Project specific information.
c. Provide sufficient information together with technical cuts and technical data to allow an
evaluation to be made to determine that the item submitted is in compliance with the Contract
Documents.
d. Submit items such as equipment brochures, cuts of fixtures, product data sheets or catalog sheets
on 8-1/2 x 11 IN pages.
1) Indicate exact item or model and all options proposed.
e. When a Shop Drawing submittal is called for in any Specification Section, include as
appropriate, scaled details, sizes, dimensions, performance characteristics, capacities, test data,
anchoring details, installation instructions, storage and handling instructions, color charts, layout
Drawings, rough-in diagrams, wiring diagrams, controls, weights and other pertinent data in
addition to information specifically stipulated in the Specification Section.
1) Arrange data and performance information in format similar to that provided in Contract
Documents.
2) Provide, at minimum, the detail specified in the Contract Documents.
f. If proposed equipment or materials deviate from the Contract Drawings or Specifications in any
way, clearly note the deviation and justify the said deviation in detail in a separate letter
immediately following transmittal sheet.
10. Samples:
a. Identification:
1) Identify sample as to transmittal number, manufacturer, item, use, type, project designation,
tag number, standard Specification Section or Drawing detail reference, color, range,
texture, finish and other pertinent data.
2) If identifying information cannot be marked directly on sample without defacing or
adversely altering samples, provide a durable tag with identifying information securely
attached to the sample.
b. Include application specific brochures, and installation instructions.
c. Provide Contractor's stamp of approval on samples or transmittal form as indication of
Contractor's checking and verification of dimensions and coordination with interrelated work.
d. Resubmit samples of rejected items.
C. Miscellaneous Submittals:
1. Prepare in the format and detail specified in Specification requiring the miscellaneous submittal.
D. Operation and Maintenance Manuals:
1. Owner's use of manufacturer's Operation and Maintenance materials:
a. Materials are provided for Owner's use, reproduction and distribution as training and reference
materials within Owner's organization.
1) Applicable to hard copy or electronic media.
2) Applicable to materials containing copyright notice as well as those with no copyright
notice.
b. Notify manufacturer of this intended use of materials provided under the Contract.
2. Number each Operation and Maintenance Manual transmittal with the original root number of the
associated Shop Drawing.
a. Identify resubmittals with the original number plus a suffix letter starting with "A."
3. Submittal format:
a. Interim submittals: Submit one (1) electronic copy until manual is approved.
b. Final submittals:
1) Within 30 days of receipt of approval, submit two (2) paper copies and two (2) electronic
copies.
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4.
5.
eHT 5923
2) Electronic copies will be reviewed for conformance with the approved paper copy and the
electronic copy (PDF) requirements of this Specification.
3) Non-conforming electronic copies will be returned with comments.
a) Provide final electronic copies within 30 days of receipt of comments.
Paper copy submittals:
a. Submit Operation and Maintenance Manuals printed on 8-1/2 x 11 IN size heavy first quality
paper with standard three-hole punching and bound in appropriately sized three-ring (or post)
vinyl view binders with clear overlays front, spine and back.
1) Provide binders with titles inserted under clear overlay on front and on spine of each binder.
a) As space allows, binder titles shall include, but not necessarily be limited to, Project
Name, related Specification Number, Equipment Name(s) and Project Equipment Tag
Numbers.
2) Provide a Cover Page for each manual with the following information:
a) Manufacturer(s).
b) Date.
c) Project Owner and Project Name.
d) Specification Section.
e) Project Equipment Tag Numbers.
f) Model Numbers.
g) Engineer.
h) Contractor.
3) Provide a Table of Contents or Index for each manual.
4) Use plastic-coated dividers to tab each section of each manual per the manual's Table of
Contents/Index for easy reference.
5) Provide plastic sheet lifters prior to first page and following last page.
b. Reduce Drawings or diagrams bound in manuals to an 8-1/2 x 11 IN or 11 x 17 IN size.
1) Where reduction is not practical to ensure readability, fold larger Drawings separately and
place in vinyl envelopes which are bound into the binder.
2) Identify vinyl envelopes with Drawing numbers.
c. Mark each sheet to clearly identify specific products and component parts and data applicable to
the installation for the Project.
1) Delete or cross out information that does not specifically apply to the Project.
Electronic copy submittals:
a. Electronic copies of the approved paper copy Operation and Maintenance Manuals are to be
produced in Adobe Acrobat's Portable Document Format (PDF) Version 9.0 or higher.
b. Do not password protect and/or lock the PDF document.
c. Create one (1) PDF document (PDF file) for each equipment O&M Manual.
d. Drawings or other graphics must be converted to PDF format and made part of the one (1) PDF
document.
1) Scanning to be used only where actual file conversion is not possible.
e. Rotate pages that must be viewed in landscape to the appropriate position for easy reading.
f. Images only shall be scanned at a resolution of 300 dpi or greater.
1) Perform Optical Character Recognition (OCR) capture on all images.
2) Achieve OCR with the "original image with hidden text" option.
3) Word searches of the PDF document must operate successfully to demonstrate OCR
compliance.
g. Create bookmarks in the navigation frame, for each entry in the Table of Contents/Index.
1) Normally three (3) levels deep (i.e., "Chapter," "Section," "Sub-section").
h. Thumbnails must be generated for each PDF file.
i. Set the opening view for PDF files as follows:
1) Initial view: Bookmarks and Page.
2) Magnification: Fit in Window.
3) Page layout: Single page.
4) Set the file to open to the cover page of the manual with bookmarks to the left, and the first
bookmark linked to the cover page.
j. All PDF documents shall be set with the option "Fast Web View" to open the first pages of the
document for the viewer while the rest of the document continues to load.
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k.
6.
7.
eHT 5923
File naming conventions:
1) File names shall use a "ten dot three" convention (XXXXX-YY-Z.PDF) where XXXXX is
the Specification Section number, YY is the Shop Drawing Root number and Z is an ID
number used to designate the associated volume.
a) Example 1:
(1) Two (2) pumps submitted as separate Shop Drawings under the same Specification
Section:
(a) Pump 1 = 11061-01-1.pdf.
(b) Pump 2 = 11061-02-1.pdf.
b) Example 2:
(1) Control system submitted as one (1) Shop Drawing but separated into two (2)
O&M volumes:
(a) Volume 1 = 13440-01-1.pdf.
(b) Volume 2 = 13440-01-2.pdf.
l. Labeling:
1) As a minimum, include the following labeling on all DVD-ROM discs and jewel cases:
a) Project Name.
b) Equipment Name and Project Tag Number.
c) Project Specification Section.
d) Manufacturer Name.
e) Vendor Name.
m. Binding:
1) Include labeled DVD(s) in labeled jewel case(s).
a) Bind jewel cases in standard three-ring binder Jewel Case Page(s), inserted at the front
of the Final paper copy submittal.
b) Jewel Case Page(s) to have means for securing Jewel Case(s) to prevent loss (e.g., flap
and strap).
Operation and Maintenance Manuals for Materials and Finishes:
a. Building Products, Applied Materials and Finishes:
1) Include product data, with catalog number, size, composition and color and texture
designations.
2) Provide information for re-ordering custom manufactured products.
b. Instructions for Care and Maintenance:
1) Include manufacturer's recommendations for cleaning agents and methods, precautions
against detrimental agents and methods and recommended schedule for cleaning and
maintenance.
c. Moisture Protection and Weather Exposed Products:
1) Include product data listing, applicable reference standards, chemical composition, and
details of installation.
2) Provide recommendations for inspections, maintenance and repair.
d. Additional requirements as specified in individual product specifications.
Operation and Maintenance Manuals for Equipment and Systems:
a. Submission of Operation and Maintenance Manuals for equipment and systems is applicable but
not necessarily limited to:
1) Major equipment.
2) Equipment powered by electrical, pneumatic or hydraulic systems.
3) Specialized equipment and systems including instrumentation and control systems and
system components for HVAC process system control.
4) Valves and water control gates.
b. Equipment and Systems Operation and Maintenance Manuals shall include, but not necessarily
be limited to, the following completed forms and detailed information, as applicable:
1) Fully completed Equipment Records, shall be included under the first tab following the
Table of Contents of each Operation and Maintenance Manual.
a) Each section of the Equipment Record must be completed in detail.
(1) Simply referencing the related manual for nameplate, maintenance, spare parts or
lubricant information is not acceptable.
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2)
3)
4)
5)
6)
7)
8)
9)
10)
11)
12)
b) For equipment items involving components or subunits, a fully completed Equipment
Record Form is required for each operating component or subunit.
c) Submittals that do not include the associated Equipment Record(s) will be rejected
without further content review.
d) Use manufacturer’s Standard Equipment Record Forms:
(1) Equipment Data and Spare Parts Summary
(2) Recommended Maintenance Summary
(3) Lubrication Summary
Equipment function, normal operating characteristics, limiting operations.
Assembly, disassembly, installation, alignment, adjustment, and checking instructions.
Operating instructions for start-up, normal operation, control, shutdown, and emergency
conditions.
Lubrication and maintenance instructions.
Troubleshooting guide.
Parts lists:
a) Comprehensive parts and parts price lists.
b) A list of recommended spare parts.
c) List of spare parts provided as specified in the associated Specification Section.
Outline, cross-section, and assembly Drawings; engineering data; and electrical diagrams,
including elementary diagrams, wiring diagrams, connection diagrams, word description of
wiring diagrams and interconnection diagrams.
Test data and performance curves.
As-constructed fabrication or layout Drawings and wiring diagrams.
Instrumentation or tag numbers assigned to the equipment by the Contract Documents are to
be used to identify equipment and system components.
Additional information as specified in the associated equipment or system Specification
Section.
1.05 TRANSMITTAL OF SUBMITTALS
A. Shop Drawings, Samples and Operation and Maintenance Manuals:
1. Transmit all submittals to:
Enprotec / Hibbs & Todd, Inc.
402 Cedar
Abilene, Texas 79601
Attn: Colden Rich, P.E.
2.
3.
All submittals must be from the Contractor.
a. Submittals will not be received from or returned to subcontractors.
Provide submittal information defining specific equipment or materials utilized on the Project.
a. Generalized product information, not clearly defining specific equipment or materials to be
provided, will be rejected.
B. Miscellaneous Submittals:
1. Transmit under Contractor’s standard letter of transmittal or letterhead.
2. Submit in triplicate or as specified in individual Specification Section.
3. Transmit to:
Enprotec / Hibbs & Todd, Inc.
402 Cedar
Abilene, Texas 79601
Attn: Colden Rich, P.E.
1.06 ENGINEER'S REVIEW ACTION
A. Shop Drawings and Samples:
1. Items within transmittals will be reviewed for overall design intent and will receive one of the
following actions:
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2.
3.
4.
5.
6.
7.
8.
9.
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a. A – APPROVED AS SUBMITTED.
b. B – APPROVED WITH COMMENTS.
c. C – PARTIAL APPROVAL, REVISE AND RESUBMIT.
d. D – COMPLETELY REJECTED.
e. E – ENGINEER’S REVIEW NOT REQUIRED.
Submittals received will be initially reviewed to ascertain inclusion of Contractor's approval stamp.
a. Submittals not stamped by the Contractor or stamped with a stamp containing language other
than that specified herein will not be reviewed for technical content and will be returned without
any action.
In relying on the representation on the Contractor’s review and approval stamp, Owner and Engineer
reserve the right to review and process poorly organized and poorly described submittals as follows:
a. Submittals transmitted with a description identifying a single item and found to contain multiple
independent items:
1) Review and approval will be limited to the single item described on the transmittal letter.
2) Other items identified in the submittal will:
a) Not be logged as received by the Engineer.
b) Be removed from the submittal package and returned without review and comment to
the Contractor for coordination, description, and stamping.
c) Be submitted by the Contractor as a new series number, not as a re-submittal number.
b. Engineer, at Engineer’s discretion, may revise the transmittal letter item list and descriptions,
and conduct review.
1) Unless Contractor notifies Engineer in writing that the Engineer’s revision of the transmittal
letter item list and descriptions was in error, Contractor’s review and approval stamp will be
deemed to have applied to the entire contents of the submittal package.
Submittals returned with Action "A" or "B" are considered ready for fabrication and installation.
a. If for any reason a submittal that has an "A" or "B" Action is resubmitted, it must be
accompanied by a letter defining the changes that have been made and the reason for the
resubmittal.
b. Destroy or conspicuously mark "SUPERSEDED" all documents having previously received "A"
or "B" Action that are superseded by a resubmittal.
Submittals with Action "A" or "B" combined with Action "C" (Revise and Resubmit) or "D"
(Rejected) will be individually analyzed giving consideration as follows:
a. The portion of the submittal given "C" or "D" will not be distributed (unless previously agreed to
otherwise at the Preconstruction Conference).
1) One (1) copy or the one (1) transparency of the "C" or "D" Drawings will be marked up and
returned to the Contractor, via electronic PDF copy.
a) Correct and resubmit items so marked.
b. Items marked "A" or "B" will be fully distributed.
c. If a portion of the items or system proposed are acceptable, however, the major part of the
individual Drawings or documents are incomplete or require revision, the entire submittal may
be given "C" or "D" Action.
1) This is at the sole discretion of the Engineer.
2) In this case, some Drawings may contain relatively few or no comments or the statement,
"Resubmit to maintain a complete package."
3) Distribution to the Owner and field will not be made (unless previously agreed to
otherwise).
Failure to include any specific information specified under the submittal paragraphs of the
Specifications will result in the submittal being returned to the Contractor with "C" or "D" Action.
Calculations required in individual Specification Sections will be received for information purposes
only, as evidence calculations have been performed by individuals meeting specified qualifications,
and will be returned stamped "E. Engineer's Review Not Required" to acknowledge receipt.
Transmittals of submittals which the Engineer considers as "Not Required" submittal information,
which is supplemental to but not essential to prior submitted information, or items of information in a
transmittal which have been reviewed and received "A" or "B" Action in a prior submittal, will be
returned with Action "E. Engineer's Review Not Required."
Samples may be retained for comparison purposes.
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a. Remove samples when directed.
b. Include in bid all costs of furnishing and removing samples.
10. Approved samples submitted or constructed, constitute criteria for judging completed work.
a. Finished work or items not equal to samples will be rejected.
B. Operation and Maintenance Manuals:
1. Engineer will review and indicate one of the following review actions:
a. A - APPROVED AS SUBMITTED.
b. B – APPROVED WITH COMMENTS.
c. C – PARTIAL APPROVAL, REVISE AND RESUBMIT.
d. D – COMPLETELY REJECTED.
e. E - ENGINEER'S REVIEW NOT REQUIRED.
2. Acceptable paper copy submittals will be retained with the transmittal form returned with a request
for two (2) additional paper copies and two (2) electronic copies on CD-ROM.
3. Deficient submittals (paper copy and/or electronic copy) will be returned along with the transmittal
form which will be marked to indicate deficient areas.
PART 2 - PRODUCTS – (NOT APPLICABLE TO THIS SECTION)
PART 3 - PRODUCTS – (NOT APPLICABLE TO THIS SECTION)
END OF SECTION
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SECTION 16120
CONDUCTORS AND CABLES
PART 1 - GENERAL
1.1
RELATED DOCUMENTS
A.
1.2
1.3
1.4
SUMMARY
A.
This Section includes the following:
1.
Building wires and cables rated 600 V and less.
2.
Connectors, splices, and terminations rated 600 V and less.
3.
Sleeves and sleeve seals for cables.
B.
Related Sections include the following:
1.
Division 16 Section "Voice and Data Communication Cabling" for cabling used for
voice and data circuits.
2.
Division 16 Section "Medium-Voltage Cables" for single-conductor and multiconductor cables, cable splices, and terminations for electrical distribution systems
with 2001 to 35,000 V.
DEFINITIONS
A.
EPDM: Ethylene-propylene-diene terpolymer rubber.
B.
NBR: Acrylonitrile-butadiene rubber.
SUBMITTALS
A.
1.5
1.6
Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 1 Specification Sections, apply to this Section.
Product Data: For each type of product indicated.
QUALITY ASSURANCE
A.
Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70,
Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for
intended use.
B.
Comply with NFPA 70.
COORDINATION
A.
Existing conduit and sleeves were located in sidewalks, under pavement, under foundations, and
in structural wall as the plant was constructed. Refer to the plan sheets provided for approximate
locations and routes.
PART 2 - PRODUCTS
2.1
CONDUCTORS AND CABLES
A.
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Available Manufacturers: Subject to compliance with requirements, manufacturers offering
products that may be incorporated into the Work include, but are not limited to, the following:
1.
Alcan Products Corporation; Alcan Cable Division.
2.
American Insulated Wire Corp.; a Leviton Company.
3.
General Cable Corporation.
4.
Senator Wire & Cable Company.
5.
Southwire Company.
6.
Okonite Company
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7.
Rome Company
B.
Single Conductors:
1.
Unless otherwise indicated, all conductors shall be copper and shall be stranded.
Solid conductors shall be allowed on 120-volt lighting and receptacle circuits.
2.
Utilize only conductors meeting applicable requirements of NEMA WC 3, WC 5, WC
7, and ICEA S-19-81, S-61-402, and S-66-524.
3.
Provide conductors with type XHHW OR XHHW-2,except for lighting and
receptacles, provide conductors with THHN or THWN.
4.
Unless noted otherwise, conductor sizes indicated are based on copper conductors.
Do not provide conductors smaller than those indicated.
5.
Where flexible cords and cables are specified, provide Type SO, 600 volt, with the
number and size of copper conductors indicated.
C.
Multi-Conductor Cable:
1.
Provide cable that is UL listed Type TC, and conforms to the requirements of UL
1277 and NEC Article 340, or UL listed Power Limited Circuit Cable that conforms
to the requirements of NEC Article 725. Provide cables permanently and legibly
marked with the manufacturer's name, the maximum working voltage for which the
cable was tested, the type of cable, and labeled UL (or submit evidence of UL listing).
2.
600 Volt Multi-Conductor Control Cable, Type XHHW-TC:
a.
General: Multi-conductor control circuit interconnection cable with ground.
Suitable for installation in open air, in cable trays, conduit, or other approved
raceways. Minimum cable temperature rating 90° C dry locations, 75° C wet
locations. Passes vertical tray flame test.
b.
Individual Conductors: No. 14 AWG, 7-strand copper.
c.
Insulation and Jackets: Provide conductors insulated with flame retardant
ethylene propylene rubber, UL rated VW-1. Conductors identified by colors
per ICEA Method 1 K2 (no greens and whites) and assembled to ICEA
standards. Outer jacket flame retardant, sunlight resistant and oil resistant,
chlorosulfonated polyethylene (CSPE) with nominal thickness per ICEA
standards.
3.
600 Volt Multi-Conductor Power Cable, Type TC:
a.
General: 3 or 4 - conductor, with ground and overall jacket suitable for
installation in open air, cable trays, conduit, or other approved raceways.
Minimum cable temperature rating 90° C dry locations, 75° C wet locations.
b.
Individual Conductors: Class B stranded, coated, or uncoated copper.
c.
Insulation and Jackets: Provide conductors insulated with flame retardant
ethylene propylene rubber, UL rated VW-1. Conductors identified by colors
per ICEA Method 1 K2 (no greens and whites) and assembled to ICEA
standards. Outer jacket flame retardant, sunlight resistant, and oil resistant,
chlorosulfonated polyethylene (CSPE) with nominal thickness per ICEA
standards.
4.
Single Pair (600 Volt No. 16 AWG Twisted, shielded Pair Instrumentation Cable,
Type TC):
a.
General: Single pair instrumentation cable designed for noise rejection for
process control, computer, or data log applications. Suitable for installation in
cable trays, conduit, or other approved raceways. Minimum cable temperature
rating shall be 90° C dry locations, 75° C wet locations.
b.
Individual Conductors: Soft annealed copper, Class B, 7-strand concentric per
ASTM B8, 20 AWG, 7-strand copper drain wire.
c.
Insulation and Jacket: Each conductor 15-mil nominal PVC and 4-mil nylon
insulation. Pair conductors pigmented black and red. Jacket flame-retardant
and sunlight and oil resistant PVC with 45 mils nominal thickness. Shield
1.35-mil aluminum/Mylar overlapped to provide 100 percent coverage.
d.
Dimension: 0.31 inch nominal.
5.
Single Triad (600 Volt No. 16 Twisted, Shielded Triad Instrumentation Cable, Type
TC):
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a.
6.
7.
General: Single triad instrumentation cable designed for noise rejection for
process control, computer, or data log applications. Suitable for installation in
cable tray, conduit, or other approved raceways. Minimum cable temperature
rating shall be 90° C dry locations, 75° C wet locations.
b.
Conductors: Soft annealed copper, Class B, 7-strand concentric per ASTM
B8, 20 AWG, 7-strand copper drain wire.
c.
Insulation and Jacket: Each conductor, 15-mil nominal PVC and 4-mil nylon
insulation. Triad conductors pigmented black, red, and blue. Jacket flameretardant and sunlight and oil retardant PVC with 45 mils nominal thickness.
Shield 1.35-mil aluminum/Mylar, overlapped to provide 100 percent coverage.
d.
Dimensions: 0.32-inch nominal
Multi-pair (600 Volt No. 16 AWG, Multi-twisted Shielded Pairs with a Common
Overall Shield Instrumentation Cable, Type TC):
a.
General: Twisted, shielded pairs of instrument cables, grouped in a single
cable with an overall shield, designed for use as instrumentation, process
control, and computer cable. Suitable for installation in cable tray, conduit, or
other approved raceways. Minimum cable temperature rating shall be 90° C
dry locations, 75° C wet locations.
b.
Conductors: Soft annealed copper, Class B, 7-strand concentric per ASTM
B8. Copper drain wires. Pair drain wire size AWG 20; group drain wire size
AWG 18.
c.
Insulation and Jacket: Each conductor 25-mil flame retardant ethylene
propylene pigmented black and red with red conductor numerically printed for
group identification. Outer jacket flame retardant and sunlight and oil resistant
chlorinated polyethylene (CPE) with nominal thickness as shown in table
below. Individual pair shield 1.35-mil aluminum/Mylar with tin plated copper
drain wire. Group shield 2.35-mil aluminum/Mylar, overlapped for 100
percent coverage.
300 Volt Twisted Pair Fire Alarm Cable, Shielded:
a.
General: Power limited fire protective signaling circuit cable for use in
accordance with NEC Article 760 power limited circuits.
b.
Conductors: Solid, PVC insulated shielded with stranded copper drain wire.
c.
Insulation and Jacket: Each conductor 15-mil PVC insulation. Jacket red in
color and identified along its entire length as fire protective signaling circuit
cable.
d.
Equipment Grounding Conductors:
e.
Provide stranded copper conductors, as indicated or as required by NEC, for
equipment grounding.
f.
Provide conductors with green Type TW insulation with a minimum thickness
of 2/64-inch.Copper Conductors: Comply with NEMA WC 70.
PART 3 - EXECUTION
3.1
INSTALLATION OF CONDUCTORS AND CABLES
A.
Do not exceed cable manufacturer's recommendations for maximum pulling tensions and
minimum bending radii. Pulling compound shall be used. Use only UL listed compound
compatible with the cable outer jacket and with the raceway involved.
B.
Tighten screws and terminal bolts using torque type wrenches, and/or drives, to tighten to the
inch-pound requirements of the NEC and UL.
C.
Where single conductors and cables in manholes, handholes, vaults, cable trays, and other
indicated locations are not wrapped together by some other means such as arc and
fireproofing tapes, bundle throughout their exposed length conductors entering from each
conduit with nylon, self-locking, releasable, cable ties placed at intervals not exceeding 12
inches on centers.
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3.2
3.3
3.4
CONDUCTOR - 600 VOLTS AND BELOW
A.
Provide conductor sizes as indicated on the drawings.
B.
Wire nuts may be used on solid conductors of 120-volt and 277-volt lighting and 120-volt
receptacle circuits only. Use King silicone filled pressure connectors, or approved equal. Use
crimp connectors on all stranded conductors. Place no more than one conductor in any singlebarrel pressure connection.
C.
Soldered mechanical joints insulated with tape will not be acceptable.
D.
Vinyl plastic insulating tape for wire and cable splices and terminations shall be flame
retardant, 7-mil thick minimum, rated for 90 degree C minimum meeting the requirements of UL
510.
E.
Provide terminals and connectors acceptable for the type of material used.
F.
Arrange wiring in cabinets, panels, and motor control centers neatly cut to proper length.
Remove surplus wire, and bridle and secure in an acceptable manner. Identify circuits
entering motor control centers or other control cabinets in accordance with the conductor
identification system specified herein.
G.
Terminate control and instrumentation wiring with methods consistent with terminals
provided, and in accordance with terminal manufacturer's instructions. Where terminals
provided will accept such lugs, terminate control and instrumentation wiring (except solid
thermocouple leads) with insulated, locking-fork compression lugs, Thomas & Betts, Sta-Kon,
or equal.
H.
For terminals designed to accept only bare wire compression terminations, use only stranded
wire, and terminate only one wire per terminal. Tighten terminal screws with torque screwdriver
to recommended torque values.
I.
Attach compression lugs with a tool specifically designed for that purpose which provides a
complete, controlled, crimp where the tool will not release until the crimp is complete. Use of
plier type crimpers is not acceptable.
J.
Cap spare conductors and conductors not terminated with UL listed end caps.
K.
Where conductors pass through holes or over edges in sheet metal, remove all burrs, chamfer
edges, and install bushings and protective strips of insulating material to protect the
conductors.
L.
For conductors that will be connected by others, provide at least 6 feet spare conductor in
freestanding panels, and at least 2 feet spare in other assemblies. Provide more spare
conductor in any particular assembly where it is obvious that more conductor length will be
needed to reach the termination point.
CABLES
A.
Do not splice without permission of the ENGINEER. Locate splices, when permitted, only in
readily accessible cabinets or junction boxes using terminal strips.
B.
Where connections of cables installed under this section are to be made to instrumentation and
controls, leave pigtails of adequate length for neat bundled type connections.
C.
Maintaining the integrity of shielding of instrumentation cables is essential to the operation of
the control systems. Take special care in cable installation to ensure that grounds do not occur
because of damage to the jacket over the shield.
CABLE PLACEMENT:
A.
eHT 5923
Immediately prior to the placement of each cable or cable group, inspect the raceway to
determine that installation is complete and that the interior is clean and free of all materials
detrimental to the cable or its placement. Group all cable assigned to a particular conduit and
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pulled simultaneously, using cable grips and acceptable lubricants.
3.5
3.6
B.
Provide adequately sized raceways to accommodate the number and size of cable as specified,
and in compliance with Article 300 of the National Electric Code. If at any time during the
progress of the work raceways appear inadequate to accommodate the assigned cable, notify
the Owner at once and discontinue further work on the questionable raceway until advised by
the Owner as to how to proceed.
C.
Carefully check all cable as to size and length before pulling into conduits. Remove and
replace cable pulled into the wrong conduit or cut too short at no additional cost to the
Owner. Do not pull cable removed from one conduit or duct into another conduit or duct
without permission of the Owner.
D.
Fishing and pulling shall be performed with flexible round non-metallic tape, carbon dioxide, or
forced air propelled polyethylene cord, nylon rope, or manila rope. No metallic cable or
materials that may damage or scratch the inside surface shall be pulled into any conduit.
E.
Use woven wire cable grips to pull all low voltage single conductor cable, No. 2/0 and larger, and
all low voltage multi-conductor cable. Use pulling loops to pull single conductor cable smaller
than No. 2/0. When a cable grip is used for pulling, the arc of the cable covered by the grip
plus 6-inches shall be cut off and discarded.
F.
Insert a reliable non-freezing type of swivel or swivel connection between the pulling ropes and
the cable eye, or grip to prevent twisting under strain.
G.
Do not exceed the maximum pulling tension recommended by the cable manufacturer. Pulling
mechanisms of both the manual and power types shall have the rated capacity in tons clearly
marked on the mechanism. Whenever the capacity of the pulling mechanism exceeds the
recommended pulling tension of the cable as given by the cable manufacturer, a dynamometer
shall be used to show the tension on the cable, and the indicator shall be constantly
watched. If any excessive strain develops, stop the pulling operation at once and determine and
correct the difficulty.
CONDUCTOR ARC AND FIREPROOFING TAPES
A.
Use arc and fireproofing tapes on 600 volt single conductors and cables, except those rated
Type TC, throughout their entire exposed length at splices in manholes, handholes, vaults,
cable trays, and other indicated locations.
B.
Wrap together as a single cable conductors entering from each conduit.
C.
Follow tape manufacturer's installation instructions. Secure the arc and fireproofing tape at
frequent intervals with bands of the specified glass cloth electrical tape. Make each band of at
least two wraps of tape directly over each other.
FIELD QUALITY CONTROL
A.
Perform tests and inspections and prepare test reports.
B.
Tests and Inspections:
1.
After installing conductors and cables and before electrical circuitry has been
energized, test service entrance and feeder conductors, and conductors feeding the
following critical equipment and services for compliance with requirements.
2.
Perform each visual and mechanical inspection and electrical test stated in NETA
Acceptance Testing Specification. Certify compliance with test parameters.
3.
Infrared Scanning: After Substantial Completion, but before Final Acceptance,
perform an infrared scan of each splice in cables and conductors No. 3 AWG and
larger. Remove box and equipment covers so splices are accessible to portable scanner.
a.
Follow-up Infrared Scanning: Perform an additional follow-up infrared scan
of each splice 11 months after date of Substantial Completion.
b.
Instrument: Use an infrared scanning device designed to measure temperature
or to detect significant deviations from normal values. Provide calibration
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c.
record for device.
Record of Infrared Scanning: Prepare a certified report that identifies splices
checked and that describes scanning results. Include notation of deficiencies
detected, remedial action taken, and observations after remedial action.
C.
Test Reports: Prepare a written report to record the following:
1.
Test procedures used.
2.
Test results that comply with requirements.
3.
Test results that do not comply with requirements and corrective action taken to
achieve compliance with requirements.
D.
Remove and replace malfunctioning units and retest as specified above.
END OF SECTION
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SECTION 16346
COMPACT COMPARTMENTALIZED MEDIUM VOLTAGE
METAL-ENCLOSED LOAD INTERRUPTER SWITCHGEAR
PART 1 - GENERAL
1.01
SECTION INCLUDES
A.
Medium voltage compact compartmentalized metal-enclosed switchgear with load interrupter
switches.
B.
The switchgear provided under these specifications will replace existing switchgear. The
Contractor shall measure the existing switchgear and provide new switchgear that will fit over the
existing conduit stub-ups for the incoming and outgoing circuits. The Contractor shall provide all
coordination required to provide a switchgear that will coordinate in all respects with the existing
conditions.
C.
The existing switchgear is comprised of four sections as follows, left to right facing the front:
1.
2.
3.
4.
1.02
1.03
D.
Existing cables will be reused and connected to the new switchgear. Contractor shall measure the
location of the existing cable termination bus connections and provide switchgear that will allow
existing cables to be terminated on the new terminal pads without installation of bus extensions or
modification of the new switchgear bus.
E.
The Contractor shall visit the site and inspect the existing switchgear prior to submitting a bid.
REFERENCES
A.
ANSI / IEEE C37.20.3
Standard for Metal-Enclosed Interrupter Switchgear.
B.
ANSI / IEEE C37.20.4
Standard for Indoor AC Medium-Voltage Switches used in MetalEnclosed Switchgear.
C.
ANSI / IEEE 24:
Standard Performance Characteristics and Dimensions for Outdoor
Apparatus Bushings.
D.
ANSI / IEEE 48:
Standard Test Procedures and Requirements for High-Voltage
Alternating-Current Cable Termination.
E.
ANSI Z55.1:
Gray Finishes for Industrial Apparatus and Equipment.
F.
NEMA SG 2
High Voltage Fuses
G.
IEC 420:
High-Voltage Alternating Current Switch-Fuse Combinations
(Applicable sections to ensure proper coordination of the switch-fuse
combination when fuses are utilized for opening the switch
automatically) Test Duties 4 and 5.
SYSTEM DESCRIPTION
A.
System Voltage:
B.
eHT 5923
Section 1, incoming line. Existing section is 48” wide, 136 inches tall, and 91.5 inches
deep.
Section 2, bus transition: Existing section is 30” wide, 136 inches tall, and 91.5 inches
deep.
Section 3, Feeder to PMT 700-B. Existing section is 48” wide, 136 inches tall, and 91.5
inches deep.
Section 4, Feeder to PMT 800-B. Existing section is 48” wide, 136 inches tall, and 91.5
inches deep.
Operating Frequency:
24.9 kV,
grounded.
three-phase,
3-wire
60 Hz.
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solidly
C.
Maximum Short Circuit Current:
25 kA RMS Symmetrical.
D.
Maximum Design Voltage:
27 kV.
E.
Basic Impulse LEVEL (BIL):
125 kV.
F.
Power Frequency Withstand:
60 kV.
G.
Fused Load-Break Interrupter Ratings:
1.
2.
3.
H.
20 kA Symmetrical.
25 kA Symmetrical.
25 kA Symmetrical.
Main Bus Ampacity:
600 amperes, continuous.
J.
Integrated Short Circuit Rating:
25 kA, RMS symmetrical.
SUBMITTALS
A.
The metal-enclosed switchgear assembly shall be in accordance with the contract documents,
applicable codes and whichever is the most stringent.
B.
Typical data is not acceptable unless it has been revised to show the equipment that is being
furnished.
C.
All symbols and the wiring identification system shall be in accordance with the applicable ANSI
standard.
D.
Submit location of cable connections to the switchgear bus. Provide verification that the bus
connections will allow connection of existing cables without modification to the bus.
E.
The manufacturer shall furnish a detailed Bill of Material and complete set of drawings including:
F.
Detailed front and rear views, plan and elevations.
Outline of switchgear assembly connection.
Base plate details.
Details of bus, connections, and terminals for incoming cables.
Location and identification of all accessories.
Size and location of all conduit entrances for incoming connections.
Anchor bolt hole locations and hole diameter.
Ground pad locations.
Weight, center of gravity, and shipping weights.
Single Line diagram.
Three-line diagram.
Floor Plan.
Schematics.
Wiring Diagrams.
The manufacturer shall furnish comprehensive instruction manuals covering the installation of the
switchgear and the operation of it's various components.
QUALITY ASSURANCE
A.
In accordance with (customer to specify section)
B.
eHT 5923
Momentary Current:
Fault Close Current:
Short-Time Current (two second):
I.
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
1.05
20 kA Symmetrical.
17.5 kA Asymmetrical.
25 kA Symmetrical.
Non-Fused, Load-Break Interrupter Ratings:
1.
2.
3.
1.04
Momentary Current:
Fault Close Current:
Short-Time Current (two second):
Manufacturer: Company specializing in medium voltage metal-enclosed switchgear with at least
five years documented experience. The manufacturer of the switchgear must be the same as the
manufacturer of the load interrupter switch.
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C.
1.06
1.07
Equipment shall be UL listed and labeled for metal-enclosed type switchgear assemblies.
DELIVERY, STORAGE, AND HANDLING
A.
Deliver products to site under provisions of section 01650.
B.
Store and protect products under provisions of Section 01660.
C.
Accept equipment on site and inspect for shipping damage.
D.
Protect equipment from weather and moisture by covering with heavy plastic or canvas and by
maintaining heat within enclosure in accordance with manufacturer's instructions.
OPERATIONS AND MAINTENANCE MANUALS
A.
Manufacturer shall provide copies of installation, operation and maintenance procedures to Owner
in accordance with general requirements of Division 1.
B.
Submit operation and maintenance data based on factory and field-testing, operation, and
maintenance of the specified products.
PART 2 - PRODUCT
2.01
MANUFACTURERS
A.
Switchgear: The metal-enclosed load interrupter switchgear shall be Square D type HVL/CC or
approved equal.
B.
Current limiting fuses
a.
b.
c.
d.
e.
C.
2.02
The switchgear shall be equipped with an optional FUSELOGIC system to provide the following
features:
1.
Provide direct acting, single phase protection 25.8kV up to 65E using Square D din style
fuses (or equal) to automatically open the stored energy operated load interrupter switch
when a fuse blows. The system shall further prevent potential single phasing conditions
by blocking the closing of the switch when a fuse is blown or if a fuse is not installed.
2.
Provide a system to prevent potential single phase conditions by blocking the closing of a
manually operated load interrupter switch when a fuse is blown or not installed.
3.
Fuses shall be Square D din style (or equal) non-disconnect mounted fuses with
provisions for removal and replacement from the front of the switchgear.
ARRANGEMENT
A.
eHT 5923
Fuses shall be current limiting, non-expulsion type of self-contained design to limit the
available fault current stresses on the system.
Fuses shall be affixed in position in a non-disconnect fuse mounting with provisions for
removal and replacement from the front of the gear.
Fuse Rating: "E" rated, size as specified herein.
Voltage Class: 25.8 kV.
Interrupting Rating: As stated above to achieve the integrated interrupting rating; 25,000
amps, rms symmetrical interrupting capability at 27 kV.
The arrangement of the new load interrupter switchgear lineup shall consist of the following:
1.
The incoming line shall be a 600 amp, fused load break interrupter switch. The fuse size
will be minimum 150E fuse. Actual fuse size shall be determined later.
2.
The feeder compartments for the existing feed to PMT 700-B and PMT 800-B shall be
600 amp fused load break interrupter switches with minimum 50E fuses. Actual fuse size
shall be determined later.
3.
Additional compartments shall be provided as required to match the existing conditions.
BRPUA SWATS
May 2016
Switchgear and Electrical Appurtenance Replacement
COMPACT COMPARTMENTALIZED MEDIUM VOLTAGE METAL-ENCLOSED LOAD INTERRUPTER SWITCHGEAR
16346 - 3
4.
2.03
2.04
eHT 5923
The new load interrupter switchgear lineup shall match the depth of the existing
equipment. Extensions shall be added to the gear as required to match the existing depth.
LOAD INTERRUPTER SWITCHGEAR ASSEMBLY
A.
The metal-enclosed switchgear assembly shall be indoor type,
following distinct compartments:
1.
Main bus compartment.
2.
Switch Compartment.
3.
Cable connection/fuse compartment.
4.
Mechanism compartment.
compartmentalized into the
B.
The metal-enclosed switchgear with load interrupter switches shall consist of a multiple section
line-up, be of indoor construction. The sections shall contain the load interrupter switches and the
necessary accessory components. The equipment shall be factory-assembled (except for necessary
shipping splits) and operationally checked. The assembly shall be a self-supporting, floor
mounted bay.
C.
The equipment shall be designed for rear access.
D.
Cable entry shall be bottom.
E.
The complete assembly shall be constructed in accordance with applicable provisions of the latest
edition of ANSI IEEE C37.20.3 and the minimum construction standards of the manufacturers of
the major components such as power fuses or potential transformers. Provide adequate space for
fuse handling when applicable.
F.
In establishing the requirements for the enclosure design, consideration shall be given to such
relevant factors as controlled access, tamper resistance, protection from ingress of rodents and
insects.
G.
Switchgear rated 600 amps continuous shall not require ventilation openings to aid in cooling of
the associated components.
H.
The integrated fused switchgear assembly shall withstand the effects of closing, carrying and
interrupting currents up to the assigned maximum short circuit rating.
I.
The switchgear shall be low maintenance designed to reduce the requirement for annual/ periodic
maintenance of the equipment. Equipment with scheduled maintenance intervals of 5 or more
years is preferred.
COMPONENTS
A.
The load interrupter switch shall be rated at 600 amperes continuous and interrupting; fixed
mounted on NEMA class A-20 porcelain standoff insulators; manually operated; quick-make,
quick-break with the speed of operation independent of the operator. To provide for dependable
operation, the device shall not rely on chains or cables to drive the blade assemblies open and
closed. The spring operator assembly shall be isolated from high voltage and coupled through a
direct drive shaft.
B.
Switches shall separate current carrying paths and arcing interruption paths.
C.
Switch blades shall be mounted on insulators that are attached to grounded metal barriers.
Switches that utilize blades mounted on a common shaft with insulation from blade to blade rather
than blade to ground are unacceptable.
D.
The switch operating handle shall be permanently attached to the outside front of the switchgear
and ready for immediate use. Removable handles are not acceptable. The handle shall operate in
the conventional fashion with the switch closed with the handle in the up position and the switch
open with the handle in the down position. Provisions shall be available for padlocking the switch
in either the open or closed position.
BRPUA SWATS
May 2016
Switchgear and Electrical Appurtenance Replacement
COMPACT COMPARTMENTALIZED MEDIUM VOLTAGE METAL-ENCLOSED LOAD INTERRUPTER SWITCHGEAR
16346 - 4
2.05
2.06
2.07
ACCESSORIES
A.
Surge Arresters metal-oxide type: Intermediate class, rated 18 kV, 15.3 MCOV; one per phase,
each circuit.
B.
Incoming Cable Termination: An anti-rotational mounting pad shall have provision for 2 NEMA
2-hole cable lugs.
C.
Provide two 2” long-wave infrared inspection windows per vertical section. One window shall be
for the lower compartment and the other for the upper compartment.
D.
Anti-condensation space heaters, 120 VAC, supplied by user, sized by the manufacturer, with
thermostat.
E.
Pad lock provisions for mechanism covers on the load interrupter switch mechanisms shall be
supplied as standard to prevent unauthorized access to the operating mechanism.
F.
The high-voltage compartment door shall be interlocked to prevent opening with the load
interrupter in the closed position. The interlock must be directly attached to the operating
mechanism and should not rely on long cables and linkages.
FABRICATION
A.
Construction: Indoor. Each equipment bay shall be a separately constructed cubicle assembled to
form a rigid free standing unit. Minimum sheet metal thickness shall be 11 gauge steel on all
exterior surfaces. Adjacent bays shall be securely bolted together to form an integrated rigid
structure. Each individual unit shall be braced to prevent distortion.
B.
All bus joints shall use Belleville washers. Torque bolts that are used for bus joints or for
insulators and direct support of any current carrying parts shall be marked with a bead of highly
visible bright orange "torque seal", that will readily show when a bolt has loosened.
C.
The high voltage and non-disconnect type fuse mountings, shall be accessible only through a
separate door mechanically interlocked with the load interrupter switch, so the load interrupter
switch is opened before the door is opened and that the switch cannot be closed when the door is
open. Switchgear designs with full height doors for access to the fuses shall have a solid grounded
metal barrier with a viewing window covering the area of the main cross bus and/or line side of
the load interrupter switch. Screened or penetrable barriers which may allow intentional or
inadvertent contact with energized parts shall not be permitted.
D.
No energized parts should be within normal reach of the opened doorway. Four full-length vertical
barriers of 3/16-inch thick glass-reinforced polyester, NEMA grade GPO-3, minimum, shall
isolate the three phases of the load interrupter switch and fuses from each other and from the
enclosure.
E.
Main Bus shall be tin-plated copper, insulated, rated 600amps, and shall be supported from the top
of the enclosure on NEMA class A-20 porcelain standoff insulators.
F.
Provide continuous ground bus through the switchgear assembly, securely connected to the steel
frame of each cubicle.
G.
Main bus and ground bus connections shall be designed for easy for future extensions. Cutout
areas with removable bolted on covers shall allow for future extension of the main bus. A knockout shall be removable for the extension of the ground bus.
H.
The metal-enclosed switchgear shall be fully assembled, inspected and tested at the factory prior
to shipment. Large line-ups shall be split to permit normal shipping and handling as well as for
ease of rejoining at the job site.
I.
A viewing port shall be installed in the switch enclosure to enable visible verification of the switch
blade position and blown fuse indicators from outside the enclosure.
FACTORY FINISHING
A.
eHT 5923
All non-painted steel parts shall be zinc plated.
BRPUA SWATS
May 2016
Switchgear and Electrical Appurtenance Replacement
COMPACT COMPARTMENTALIZED MEDIUM VOLTAGE METAL-ENCLOSED LOAD INTERRUPTER SWITCHGEAR
16346 - 5
B.
All painted steel parts shall be cleaned and a zinc- phosphate (outdoor equipment) or iron
phosphate (indoor equipment) pre-treatment applied prior to paint application
C.
Paint Color shall be ANSI-61 (light gray) TGIC polyester powder, applied electrostatically
through air. Following paint application, parts shall be baked to produce a hard durable finish.
The average thickness of the paint film shall be 2.0 mils. Paint film shall be uniform in color and
free from blisters, sags, flaking and peeling.
D.
Adequacy of paint finish to inhibit the buildup of rust on ferrous metal materials shall be tested
and evaluated per paragraphs 5.2.8.1-7 of ANSI C37.20.3-1987. Salt spray withstand tests in
accordance with paragraph 5.2.8.4 shall be performed on a periodic basis to provide conformance
to this corrosion resistance standard of at least 600 hours minimum.
PART 3 - EXECUTION
3.01
3.02
3.03
EXAMINATION
A.
Visually inspect switchgear for evidence of damage and verify that surfaces are ready to receive
work.
B.
Visually inspect to confirm that all items and accessories are in accordance with specifications and
drawings.
C.
Verify field measurements are as specified herein.
D.
Verify that required utilities (e.g., control voltage for heater circuits on outdoor switchgear) are
available, in proper location, and ready for use.
E.
Beginning of installation means installer accepts existing surface conditions.
INSTALLATION
A.
Install in accordance with manufacturer's instructions, applicable requirements of the NEC and in
accordance with recognized industry practices.
B.
Connect the primary surge arresters if not connected. If required, use jumper cables, as provided
by the switchgear manufacturer.]
C.
Bending of high-voltage cables should be avoided or minimized. All necessary bends shall meet at
least the minimum radii specified by the cable manufacturer.
FIELD QUALITY CONTROL
A.
Field inspection and testing shall be performed by the Contractor.
B.
Visually inspect switchgear for physical damage upon receipt.
C.
Perform mechanical operator tests in accordance with manufacturer's instructions.
D.
Check torque of all bolted connections, including cable terminations, either by observing the bead
of indicating compound to confirm that it is still intact, or with a torque wrench to confirm the
joint is tightened to the manufacturer's specifications.
E.
Touch-up all chips and scratches with manufacturer-supplied paint and leave remaining paint with
Owner.
F.
Perform insulation resistance test on each phase to ground and phase to phase. Record results for
future reference.
G.
Perform low-frequency withstand tests according to ANSI/IEEE C37.20.3, paragraph 5.5.
H.
Perform contact resistance test across each switch blade; report any contact resistance in excess of
50 micro-ohms.
END OF SECTION
eHT 5923
BRPUA SWATS
May 2016
Switchgear and Electrical Appurtenance Replacement
COMPACT COMPARTMENTALIZED MEDIUM VOLTAGE METAL-ENCLOSED LOAD INTERRUPTER SWITCHGEAR
16346 - 6
Plans