Addendum 1- 53-25-011 Hoppers Questions.Answers.pdf

RFP #53-25-011 ADDENDUM 1

FAILURE TO RETURN THIS BID ADDENDUM IN ACCORDANCE WITH INSTRUCTIONS MAY SUBJECT YOUR

BID TO REJECTION ON THE AFFECTED ITEM(S).

INSTRUCTIONS: Please make the following change(s) in the bid referenced above.

Refer ALL Inquiries regarding this RFP to:

Marie Humphrey Marie.humphrey@ncports.com 571-919-9890

Request for Proposal # 53-25-011

Proposals will be publicly opened:

Upon receipt no later than April 29, 2025, by 4:00PM Commodity No. and Description:580-01 Fabricated Rail Hopper Caro Handling Equipment Using Agency: North Carolina State Ports Authority

Execute Addendum:

BIDDER: _____________________________________________________________________

ADDRESS (CITY & STATE): _______________________________________________________

AUTHORIZED SIGNATURE: __________________________________ DATE: _______________

NAME and TITLE (Print): _________________________________________________________

QUESTIONS/ANSWERS:

Question # Reference Vendor Question Answer Question #1 Attachment H:

Scope of Work, Exhibit 2, Drawings as outlined by Andrew Consulting Engineers S-703

A4 illustrates Clamshell Flange Connection Detail however, there are no details to fabricate the Clamshell itself. If the intention is to have this fabricated and attached, please provide detailed drawings of the Clamshell.

The Clamshell will be designed in accordance with the attached files:

ClamShell2020-Bin Gate.pdf = provides more dimensions.

ClamShell2020-Transition Spool.pdf = also gives more detail to the dimensions of the mating hopper collar where the chute attaches.

Question #2 Attachment H:

Scope of Work, Exhibit 1, Technical Document as Outlined by Andrew Consulting Engineers.

Specification page Section 055213-3 paragraph 2.6

STEEL FINISHES

Paragraph 2.6 of reference directs the use of “Hot dip” galvanized steel railings. Please clarify these items will not receive additional preservation.

According to Attachment H:

Scope of Work, Exhibit 1 Technical Document. Section:

099600-2; Part 2 – PRODUCTS,

2.1 C The topcoat colors of the

Hopper Platform, the table indicates the Guard Rails, Handrails, Stair Treads and Grating shall not be painted, only Galvanized.

mailto:Marie.humphrey@ncports.com

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PIN

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GATE BOX FLANGE DETAIL

GATE BOX SIDE PLATE DETAIL

2 REQUIRED

LUG DETAIL

1 REQUIRED

GATE BOX END PLATE DETAIL

2 REQUIRED

PIN PLATE DETAIL

4 REQUIRED

OVERLAP PLATE DETAIL

1 REQUIREDFORMED CLAM DOOR DETAIL

2 REQUIRED

CLAM DOOR FLAT PATTERN DETAIL

2 REQUIRED

LEFT HAND GEAR PLATE DETAIL

RIGHT HAND GEAR PLATE DETAIL

Ø1 1 16"

Ø1 1 16"

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2 REQUIRED

GUSSET PLATE DETAIL

8 REQUIRED (SIDES ONLY)

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18X 34" BOLTS

16X 34" BOLTS

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16X 78" Ø HOLES

18X 78" Ø HOLES

BIN GATE / TRANSITION SPOOL END VIEW BIN GATE / TRANSITION SPOOL SIDE VIEW

BIN GATE / TRANSITION SPOOL 3D VIEW

UPPER TRANSITION SPOOL FLANGE DETAIL

LOWER TRANSITION SPOOL FLANGE DETAIL

TRANSITION SPOOL PLATE DETAIL

TRANSITION SPOOL PLATE TO PLATE WELD DETAIL

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SIDE PLATE

(TYPICAL CONNECTION)

TRANSITION SPOOL PLATE TO FLANGE WELD DETAIL

1/4"

1/2"

2" LOWER FLANGE PLATE

(TYPICAL CONNECTION)

2" UPPER FLANGE PLATE

2" TRANSITION PLATE

SCALE 1:1

SCALE 1":1'

SCALE 1":1' SCALE 1":1'

SCALE 1":1'

SCALE 1":1'

1/4"

1/4" TYPICAL GUSSET

WELD DETAIL

BOTTOM END PLATE GUSSET DETAIL

BOTTOM SIDE PLATE GUSSET DETAIL

2" 24 3

16"

1/2" CHAMFER

1/2" CHAMFER

1/2" CHAMFER1/2" CHAMFER

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TOP END PLATE GUSSET DETAIL TOP SIDE PLATE GUSSET DETAIL

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DESIGNED BY:

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DRAWN BY:

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CHECKED BY:

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PROJ. MAN.

AutoCAD SHX Text on this drawing you are responsible for ensuring by independent verification its accuracy, currency or completeness.

AutoCAD SHX Text Use of the information and data contained within this drawing(s) is at your sole risk. If you rely on the information

AutoCAD SHX Text The North Carolina State Ports Authority does not and cannot guarantee the accuracy of this drawing(s).

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REV

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DATE

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ISSUED BY

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DESCRIPTION

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Print Size 24 x 36