19-1015.01 Page 1 of 2 10/22/2019

CITY OF MARSHALL REQUEST FOR BIDS

PEARL SUBSTATION TRANSFORMER #3 STEEL STRUCTURES The City of Marshall is requesting bids for the furnishing and delivery (F.O.B. Pearl Substation, Marshall, Michigan) of substation steel structures as shown on the included drawings and meeting the criteria of Section 055000 – Metal Fabrications. Steel delivery is required no later than May 1, 2020. Anticipated project award date is December 3, 2019. Bids must include unit cost, extended cost, and delivery schedule. A bid form has been included and must be completed and returned by the Vendor. The City of Marshall is exempt from Michigan state sales taxes and will provide appropriate exemption certificate upon acceptance of the quote. Following acceptance by The City of Marshall a Purchase Order will be issued to the successful vendor. Bids must be submitted to the attention of City Clerk at City of Marshall 323 Michigan Avenue, Marshall, Michigan 49068 no later than 10:00am, Thursday, November 21, 2019. Electronic copies will not be accepted. The City of Marshall reserves the right to accept or reject any bid, waive technicalities, and to accept the bid deemed to be in the best interest of The City of Marshall. Address all questions to Mr. Nicholas Winsemius, GRP Engineering. SUBMITTAL INFORMATION Include construction details, material descriptions, dimensions of individual components and profiles, and finishes for the steel structures. Include rated capacities, operating characteristics, electrical characteristics, furnished specialties, recommended spare parts list, and accessories. SHOP DRAWINGS Shop drawings are to be submitted within four (4) weeks after award of bid. Include plans, elevations, sections, and mounting detail, equipment assemblies, dimensions, weights, loads, required clearances, method of field assembly, components, and location and size of each field connection, diagrams for power, signal, and control wiring. AutoCAD.dwg format drawings including, but not limited to physical construction, electrical schematics, and nameplate information are required four (4) weeks after approval of manufacturer’s shop drawings. SHIPMENT AND DELIVERY Material must be delivered on an open deck trailer and F.O.B. destination with freight prepaid and allowed to the following location. Acceptance of the steel structures will be at delivery time following an inspection by The City of Marshall. Provide notice of delivery to both GRP Engineering, Inc. and The City of Marshall at least 48 hours ahead of the delivery. Delivery will be accepted only on weekdays between the hours of 8AM to 2:30PM, local time. Failure to give advance delivery notification may result in delayed unloading of the equipment.

19-1015.01 Page 2 of 2 10/22/2019

Notification of Delivery

The City of Marshall Bob Siegel

rsiegel@cityofmarshall.com 269.781.3985

GRP Engineering, Inc. Nic A. Winsemius nwinsemius@grp-engineering.com 616.638.1671

Delivery Address

Pearl Substation Attn: Bob Siegel 801 Industrial Road Marshall, Michigan 49068

Please contact the following individual with questions on this quotation:

Mr. Nic A. Winsemius GRP Engineering, Inc. 3300 Eagle Run Drive NE Ste 101 Grand Rapids, MI 49525 616.638.1671

CITY OF MARSHALLPEARL ST SUBSTATION TRANSFORMER #3

SUBSTATIONS STEEL STRUCTURES

SUBSTATION STEEL COST SUMMARY

VENDOR:

Vendor

Unit Quantity Unit Price Bid Price

2 $0.00

1 $0.00

1 $0.00

2 $0.00

1 $0.00

1 $0.00

5 $0.00

Total Vendor Bid Price: $0.00

15kV Transfer Bus Structure

15kV Cable Riser Stand

Steel Structure Description

61' Static Wire Mast

138kV Disconnect Switch Stand

138kV CT/PT Metering Unit Stand

15kV Main Bus Structure

138kV Bus Support Stand

 19‐1015.01 Pearl Substaiton Steel 10/17/2019

Pearl Substation Transformer #3 055000-1 19-1015.01

SECTION 055000 METAL FABRICATION PART 1. GENERAL

1.01 SUMMARY

A. This specification is for substation steel structures that shall be fabricated and assembled to meet standard practices and specifications as recommended by American Institute of Steel Construction (AISC). Latest edition of specific standards referenced, but not limited to: 1. AGA - American Galvanizers Association publication “Recommended Details for

Galvanized Structures”. 2. AISC - Manual of Steel Construction. 3. AISC – Code of Standard Practice for Steel Buildings and Bridges. 4. AISC - Manual "Detailing for Steel Construction”. 5. ASTM A36 – Standard Specification for Structural Steel. 6. ASTM A53 - Pipe, Steel, Black, and Hot-dipped, Zinc-coated, Welded and

Seamless. 7. ASTM A123 - Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on

Iron and Steel Products. 8. ASTM A143 - Standard Specification for Safeguarding Against Embrittlement of

Hot-Dip Galvanized Structural Steel Products and Procedure for Detecting Embrittlement.

9. ASTM A153 - Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware.

10. ASTM A307 - Carbon Steel Bolts and Studs, 60,000 PSI Tensile Strength. 11. ASTM F3125 - Standard Specification for Structural Bolts, Steel, Heat Treated,

120/105 ksi Minimum Tensile Strength. 12. ASTM A384 - Standard Practice for Safeguarding Against Warpage and

Distortion During Hot Dip Galvanizing of Steel Articles. 13. ASTM A385 - Standard Practice for Providing High Quality Zinc Coatings (Hot

Dip). 14. ASTM A500 - Standard Specification for Cold Formed Welded and Seamless

Carbon Steel Structural Tubing in Round and Shapes. 15. ASTM A780 - Standard Practice for Repair of Damaged and Uncoated Areas of

Hot-Dip Galvanized Coatings. 16. ASTM A992/A992M-98EL – Standard Specifications for Structural Steel Shapes. 17. ASTM F1554 Standard Specification for Anchor Rods, Steel, 36, 55, and 105 KSI

yield Strength. 18. AWS D1.1 Structural Welding Code - Steel; American Welding Society. 19. ASCE 74 – Guidelines for Electrical Transmission Line Structural Loading. 20. ASCE 113 – Substation Structure Design Guide.

B. This specification covers the minimum acceptable quality, materials, inspection, drawings, and delivery of substation steel structures.

C. All bolts and miscellaneous hardware required to erect structural steel and to mate each member together shall be furnished.

D. In the event of conflict between the Specification and the referenced documents, the

requirements of this specification shall take precedence. In the case of conflict between several referenced documents, the more stringent requirement shall be followed. If clarification is necessary, contact the Engineer.

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1.02 DEFINITIONS

A. Buyer – End owner and purchaser of steel structures.

B. Seller – Vendor providing goods and services to the Buyer.

C. Fabricator – Firm responsible for the design and production of steel.

1.03 SECTION INCLUDES

A. Substation Structural Steel.

1.04 SUBMITTALS

A. Shop Drawings 1. Following Approval by Engineer, drawings and structural design information shall

be submitted for Record. Record drawing submittal shall consist of pdf copies and one (1) electronic copy in AUTOCAD R2018 .DWG format of all necessary drawings.

2. Submit complete Shop Drawings of all members to be furnished complying with requirements of the current AISC Specifications. Follow standard practices set forth in the current AISC Manual "Detailing for Steel Construction". Use standard AWS welding symbols. Show on each detail drawing complete information for fabrication and erection of component parts of the structure, including the following:

a. Location, type, and size of bolts & hardware. b. Size, length, and type of each weld. c. Grade of steel.

3. Shop Drawings will not be reviewed by Buyer unless accompanied by erection

drawings which locate and identify each member. 4. Copies or reproductions of Engineer's design plans and details will not be

accepted as Shop Drawings. 5. Submit Shop Drawings in the form of one (1) set of AUTOCAD R2018 .DWG and

pdf copies.

B. Structural Calculations 1. Furnish pdf copies of structural calculations of all structural steel framing at time of

shop drawing submittal. Calculations shall include, but are not limited to:

a. Description of design criteria. b. Engineering analysis depicting stress and deflection requirements for

each framing application. c. Selection of framing components and accessories. d. Verification of attachments to structure and/or adjacent framing

components.

2. Structural calculations shall be sealed by a Professional Engineer legally authorized to practice in the jurisdiction where Project is located and experienced in providing engineering services of the kind indicated that have resulted in the installation of substation structures similar to this Project in material, design, and extent and that have a record of successful in-service performance.

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3. Calculations are for the Buyer’s files only, and will not be reviewed or returned to the Seller.

1.05 DELIVERY, STORAGE, AND HANDLING

A. Deliver equipment via flatbed truck to allow unloading from the bed side with a fork truck or vertically with a crane.

B. Store equipment in spaces with environments controlled within manufacturer's ambient temperature and humidity tolerances for non-operating equipment.

PART 2. PRODUCTS

2.01 DESIGN CRITERIA

A. The structural steel framing, anchorage, and connections are to be designed by a professional engineer who shall certify by sealing and signing the Fabricator’s drawings and design calculations that the structural steel framing design meets all applicable codes and the criteria outlined on the drawings and in the specifications.

B. Design wind pressure shall be calculated in accordance with ASCE 74, Guidelines for Electrical Transmission Line Structural Loading or ASCE 113 – Substation Structure Design Guide, using whichever has the more stringent design criteria.

C. Structures shall be designed to withstand their own weight and the actual weight of all attached equipment. Coordinate any questions with the project engineer.

D. Maximum deflection of structural components shall be L/50 with the exception of class A structures.

E. Structures shall be designed to account for forces applied during the operation of

switches. This includes gang operated switches and single phase hook-stick type switches.

F. Refer to substation steel drawings for other design requirements and forces.

G. Base plates shall have weep holes drilled to prevent structures from holding liquids and

to allow for draining.

2.02 QUALITY ASSURANCE

A. Fabricator Qualifications 1. The steel fabricators shall be a firm experienced in fabricating structural steel

similar to that indicated for this Project and with a record of successful in-service performance, as well as sufficient production capacity to fabricate structural steel without delaying the project schedule.

2.03 MATERIALS

A. All structural steel shapes shall be new, unused, free from mill scale, rust, flake, pitting, and imperfections, without bends, kinks, and distortions. Shop splicing of members will only be permitted if the member exceeds maximum mill length.

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B. Refer to substation steel drawings for required yield strength.

C. Wide flanges and tees 1. ASTM A992

D. Channels, angles, plates, and bars

1. ASTM A36

E. Tubular shapes 1. ASTM A500, Grade B.

F. Pipe

1. ASTM A53, Type E or S, Grade B.

G. Un-headed rods 1. ASTM A36

H. Headed bolts, nuts, and washers

1. ASTM A307, Grade A / ASTM A325, Type 1.

I. Anchor bolts 1. ASTM F 1554, Grade 55.

J. Welding electrodes

1. Comply with AISC Manual of Steel Construction and American Welding Society, AWS D.1.

2.04 GALVANIZING

A. Hot dip galvanizing or electro-plating process shall conform to the latest edition of the

following ASTM Specifications: 1. A123 for plates, bars, strip, rolled structural shapes. 2. A153 for hardware and threaded fasteners.

B. High zinc dust content paint for re-galvanizing welds and repair painting of galvanized

steel, with dry film containing not less than 93 percent zinc dust by weight.

C. Fabrication requirements for galvanizing: 1. Fabricate structural steel according to Class III guidelines as described in AGA’s

Recommended Details for Galvanized Structures. 2. Fabricate products according to the applicable portions of ASTM A143, A384 and

A385, except as specified herein. Avoid fabrication techniques which could cause distortion or embrittlement of the steel.

3. Consult with the Engineer and hot dip galvanizer before fabrication begins regarding potential problems or potential handling problems during the galvanizing process which may require modification of design.

4. Remove all welding slag, splatter and anti-splatter compounds and burrs prior to delivery for galvanizing.

5. Provide holes and/or lifting lugs to facilitate handling during the galvanizing operation.

6. Avoid unsuitable marking paints. Consult with the galvanizer about removal of grease, oil paint and other deleterious material.

7. Remove by blast cleaning or other methods surface contaminants and coatings which would not be removable by the normal chemical cleaning process in the galvanizing operation.

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D. Pre-clean steel work in accordance with accepted methods to produce an acceptable surface for quality hot dip galvanizing.

E. All pre-galvanized threaded connections shall be protected from receiving a second galvanized coating.

F. Application process for galvanizing: 1. Galvanize steel members, fabrications and assemblies after fabrication by the hot

dip process according to ASTM A123. 2. Galvanize bolts, nuts and washers and iron and steel hardware components

according to ASTM A153. 3. Safeguard products against steel embrittlement according to ASTM A143. 4. Handle all articles to be galvanized in such a manner as to avoid any mechanical

damage and to minimize distortion. 5. Coating weight shall conform with Table 1 of ASTM A123 or Table 1 of ASTM

A153, as appropriate. 6. Thickness of coating shall be (1.3 oz/sq. ft), minimum. 7. Surface finish shall be continuous, adherent, as smooth and evenly distributed as

possible, and free from any defect detrimental to the stated end use of the coated article.

8. Adhesion shall withstand normal handling consistent with the nature and thickness of the coating and normal use of the article.

2.05 FABRICATION

A. Fabricate and assemble structural steel to greatest extent possible in shop. Fabricate

structural steel according to AISC specifications referenced in this Section and Shop Drawings.

B. Fabricate for a delivery sequence that will expedite erection and minimize field handling of structural steel.

C. Complete structural steel assemblies, including welding of units, before galvanizing.

D. Comply with fabrication requirements, including tolerance limits, of AISC’s “Code of Standard Practice for Steel Buildings and Bridges”.

E. Perform thermal cutting by machine to greatest extent possible. Plane thermally cut edges to be welded.

F. Accurately mill ends of columns and other members transmitting loads in bearing.

G. Provide holes required for securing other work to structural steel framing. Cut, drill, or punch holes perpendicular to metal surfaces. Do not flame cut holes or enlarge holes by burning. Drill holes in bearing plates.

H. Assemble and weld built-up sections by methods that will maintain true alignment of axes without warping.

I. Weld threaded nuts to framing and other specialty items as indicated to receive other work.

J. Provide all required holes for the attachment of work of other trades. Slot holes where conditions require.

K. Identification marks shall not be printed on material to be galvanized. Provide permanent marking by using weld beads or deep die cut stencils to mark letters and numbers.

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2.06 CONNECTIONS

A. Do not use connections which require either member to be completely disconnected (nuts removed from bolts) for installation of the succeeding member.

B. Use ASTM F3125 bolts unless noted otherwise on substation steel drawings.

C. Use bolts of same diameter unless noted otherwise on drawings or approved in writing by Engineer.

D. Use bearing type connections unless noted otherwise on substation steel drawings.

E. Bolts or welds may be used where no indication is given and where loads permit, except

field welds shall not be used to connect major members, unless otherwise indicated on drawings.

F. As a minimum connection, use two (2) bolts or welds with a total capacity of 6000 lbs.

G. Install F3125 bolts according to Section 8 of RCSC’s “Specification for Structural Joints

using High-Strength bolts”, latest edition, except as specified herein.

H. Do not reuse galvanized F3125 bolts.

I. Comply with AISC specifications referenced in this Section for adequacy of temporary connections, alignment and removal of paint on surfaces adjacent to field welds.

END OF SECTION 055000