Sol_140P2023R0132_Amd_0002.pdf

(x)

140P2023R0132 x x

1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted ; or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGEMENT TO BE

RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR

OFFER. If by virtue of this amendment you desire to change an offer already submitted , such change may be made by letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

x

PDS

Denver CO 80225-0287 P.O. Box 25287 12795 W. Alameda Pkwy NPS, DSC Contracting Services Div

07/28/20230002

13. THIS ITEM ONLY APPLIES TO MODIFICATION OF CONTRACTS/ORDERS. IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

12. ACCOUNTING AND APPROPRIATION DATA (If required) is not extended.is extended, Items 8 and 15, and returning

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended , by one of the following methods: (a) By completing

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

FACILITY CODE CODE

10B. DATED (SEE ITEM 13)

10A. MODIFICATION OF CONTRACT/ORDER NO.

9B. DATED (SEE ITEM 11)

9A. AMENDMENT OF SOLICITATION NO.

CODE

8. NAME AND ADDRESS OF CONTRACTOR (No., street, county, State and ZIP Code)

7. ADMINISTERED BY (If other than Item 6)CODE 6. ISSUED BY

PAGE OF PAGES

4. REQUISITION/PURCHASE REQ. NO.3. EFFECTIVE DATE2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO. (If applicable)

1. CONTRACT ID CODE

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

07/03/2023

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority) appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

E. IMPORTANT: Contractor is not is required to sign this document and return __________________ copies to the issuing office.

ORDER NO. IN ITEM 10A.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

CAHA 213068 / Repair Cape Hatteras Lighthouse, CAHA 319350 Restore or Reconstruct Historic

First Order Fresnel Lens, and CAHA 319351 Improve or Restore Historic Landscape

The purpose of this amendment 0002 is to incorporate the following:

1. Post Questions and Answers.

2. Extend the proposal due date to 5:00 PM ET on August 17, 2023.

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)15A. NAME AND TITLE OF SIGNER (Type or print)

15C. DATE SIGNED 16B. UNITED STATES OF AMERICA 15B. CONTRACTOR/OFFEROR 16C. DATE SIGNED

(Signature of person authorized to sign) (Signature of Contracting Officer)

Bai Perney

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

Previous edition unusable

Except as provided herein, all terms and conditions of the document referenced in Item 9 A or 10A, as heretofore changed, remains unchanged and in full force and effect .

CAHA 213068 / Repair Cape Hatteras Lighthouse, CAHA 319350 Restore or Reconstruct Historic First Order Fresnel Lens, and CAHA 319351 Improve or Restore Historic Landscape

Questions and Answers July 27, 2023

Question Number

Question Answer/Response

13 What is the specific order that the Options will be awarded?

Options will be awarded in the order presented in the Contract Line Item Schedule, attached to Section 01 27 00

18 Photo/Detail 7/A125 appears to show that the existing copper panels have a “stamped” pattern in the flat portion of the panels between the standing seam ribs. I have not seen reference anywhere that the new roof panels should have this pattern

The intent is to not replicate this stamped pattern

19 Details 3 & 5/A125 reference “Metal Roof Deck Over Existing Wrought Iron Rafters- See Structural”. Is the metal deck existing?

Structural plans S133 do not reference a metal deck, new or existing

Metal deck is not existing.

21 Would the NPS consider a bid due date extension? We have a few specialty subcontractors that are requesting at least a week extension.

At the request for extension, NPS is agreeable to a two week extension to 5:00 PM ET August 17, 2023

26 A301 Handrails at ramps. How many linear feet? How many posts if any?

Ramp is 33' long and it will have handrails on both sides.

Handrail will be attached to wood fencing, so no posts are needed.

27 A201 Arched door at oil room, what is the thickness of the door? (Not noted on schedule)

The door body should be 1" thick (actual thickness) tongue and groove solid lumber, glued with type II exterior glue. Reinforce the door body with 3/4" thick (actual thickness) horizontal planks at the top and bottom and a diagonal plank running between to provide lateral stability. Fasten the reinforcing planks to the wood door body with 316 stainless steel wood screws, countersunk. Cut back the reinforcing planks from edge of door so that they do not interfere with the operation or full opening or closing of the door. Pre-drill for the bolts.

Backprime all the wood. Then apply the sheet metal - 24 oz.

zinc-coated copper sheet, with locked seams at overlaps. Install type 316 SS square head bolts and apply the seams. Prep, prime and paint using high-performance coating system.

29 A120 Install new Alum Louver above door.

What is the size and spec for the louver, Manufacturer, ratings, etc. ?

Dimensions are 4'-3"w x 1'-10"h (VIF). Refer to specifications 08 91 19, paragraph 2.4 for additional criteria.

30 A100 Recreate Bronze bearing plate, match existing. What does the existing look like? Size?

Weight?

Bearing plate is approximately 60"L x 12"w x 2" t. Verify dimensions in field. The intent is to match the existing bearing plate within the alcove.

39 A140 Replicate Missing Bronze Bench Cap. Refer to question 30

What does the existing look like? Size? Weight?

42 A100/A110/ A111/A127/A128/S100/S122 Window elements, Mullion profile, Sill, Apron, Wall panels, Jamb, Vent and Brackets. What does the existing look like? Size? Weight?

Thickness? Profile?

Window elements are shown with overall dimensions on sheets A127, A128, A129, and A130. Exact profiles should be measured and verified in the field.

43 A128 New Bronze window hood and brackets.

Print States pediment is to be poured as one piece. Can this be cast in sections and welded together?

Window hood may be cast in sections and welded together.

45 D102 /A102/A121/A122/A130 Windows in Service room. Are all 3 jambs, windows and ventilator panels new? Is one present to copy?

What does the existing look like? Size? Weight?

Thickness? Profile?

All 3 sets of jambs, windows, and ventilator panels are to be replicated. Window elements are shown on A130 with overall dimensions and approximate profiles. Specific dimensions should be measured and verified in the field prior to shop drawings and fabrication.

53 05-03-74-4 Prt2 2.1 F Aluminum Castings 356 T6. There is a significant premium for this material, would NPS maybe want to consider another alloy that is less expensive to produce with similar properties?

Aluminum Alloy 6061-T6 will be an acceptable alternative if it is less expensive.

54 05-03-74-4 Prt2 2.3 F 1 Duplicate replacement castings for handrail bracket on cast-iron railing of first floor lobby. How many castings are we making? What does the existing look like? Size?

Weight? Thickness? Profile?

Disregard Section 05-03-74 Paragraph 2.3 F-2

56 05 03 74-2, 1.8 A 2 How large of a fence section is required for mock-up? Can this piece be used in the finished product?

The mockup should include one typical 16-picket bay including one corner condition. Mockup will be installed in the finished product.

57 08 51 16-3, 1.8 A 1 Window mockup of one complete window. Will this window be installed?

Yes, the mockup window will be installed.

58 09 91 13-2, 1.4 A 1 a Provide paint system mock-up of at least 100 sq feet. This is IN-SITU correct?

Yes

59 09 96 00-2, 1.4 A 1 a Provide paint system mock-up of at least 100 sq feet. This is IN-SITU correct?

Yes

64 A128 The Detail at the New Bronze window hood and brackets poses significant manufacturing challenges, would it be possible to fabricate in sections?

Duplicate question - #43

65 D102 / A102 / A142/S128 Remove and replace iron wall panels. Are these to be Stainless steel?

Or Cast Iron? Wrought Iron is not an option.

What is the diameter of the service room?

Height? How are the new panels going to be put into the room without having the floors above removed?

Duplicate question - #44

66 S130 Inspect tension ring condition at Watch Duplicate question - #49

Room? What level of section requires replacement / repair?

68 A102 / A123 / S130 Repair Crack in Outer Plate of Watch Tower. Assume 72" lock and stitch.

Are outside watch room wall panels being inspected for section loss?

Duplicate question - #48

71 Please provide copy of the Geotech Report Attached to this amendment

72 On the subcontracting plan instructions, the first bullet is: Large business Offerors proposing a total price greater than $750,000 ($1,500,000 for construction) shall complete and submit this Subcontracting Plan with their proposal. Failure to complete and submit this form may result in rejection of an offer.

Does this apply to small businesses which will be utilizing subcontractors with total prices exceeding $750.000?

This requirement is for Large Business Contractors proposing.

73 Drawing A101 calls for the striping of paint, removal of Corrosion and Repair work on the stairs, levels 3-8 as CLIN 3 (Option 2). A100 calls for the same work at levels 1 and 2 as CLIN 2 (Option 1) and A102 also calls it as CLIN2 at Level 9, although that stair is enclosed. Which CLIN or Bid Option is this work supposed to be a part of?

Stripping of paint, removal of corrosion, and repair work of stairs should be part of CLIN 2 for stair flights 1-8 and the enclosed stair at flight 9.

74 Are we required to remove all the existing lead-based paint from the exterior walls of the lighthouse prior to repainting the brick, or just repaint over the existing paint?

All paint is to be removed from brick prior to repainting.

77 015000 Can the exterior scaffolding be attached to the lighthouse?

Responded to previously in RFI question #4

79 015000 Does Scaffolding Contractor need to be a part of the wage scale?

The Davis-Bacon and Related Acts apply to contractors and subcontractors performing on federally funded or assisted contracts in excess of $2,000 for the construction, alteration, or repair (including painting and decorating) of public buildings or public works. Refer to the Wage Determination as posted with the solicitation.

CLIN 3 & 4 both reference lighthouse interior repointing and masonry repairs.

There are conflicts between Section 012700 and notes on plan sheets such as A140. Please clarify and advise.

CLIN 4 includes repointing and painting of lighthouse interior masonry. Replacement of spalled or missing masonry is included in CLIN 3.

108 When is the intended time frame for award? For proposal purposes, use the date of September 20, 2023

109 What is the intended time frame for NTP? For proposal purposes, use the date of October 20, 2023

Can the RFP due date be extended by 10-14 days or more to allow for adequate engineering analysis for an appropriate shoring and access approach to the project?

See Item 21