Amendment_7_LD10_Roof.pdf

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

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

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

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

Please see the "Amendment 7" section SF 30 Block 14 Continuation page for the purpose of this amendment.

1. CONTRACT ID CODE PAGE OF PAGES

J 1 4

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

16C. DATE SIGNED

BY 07-Sep-2018

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

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

8. NAME AND ADDRESS OF CONTRACTOR (No., Street, County, State and Zip Code) X W912ES18T0062

X 9B. DATED (SEE ITEM 11)

31-Jul-2018

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer X is extended, is not extended.

Offer 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 Items 8 and 15, and returning 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 telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT 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 telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

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

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(B).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

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

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

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

07-Sep-2018

CODE

CONTRACTING DIVISION

USACE - ST PAUL

180 5TH STREET EAST

SUITE 700

ST. PAUL MN 55101-1678

W912ES 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912ES18T0062

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION SF 30 - BLOCK 14 CONTINUATION PAGE (SF 30)

The following have been added by full text:

AMENDMENT 7

The purpose of this amendment is to answer the following vendor questions, replace all of the previous drawings with the attached drawing package (Amendment 7 Drawings-3 pages), revise the specifications (see amendment 7 Specifications) as follows and update the “Instructions to Quoters” section to require the warranty after contract award:

1. Number 7 of the “Instruction to Quoters” section was revised:

From: Roof wind certification-see Roof Membrane Manufacturer Warranty section of the specifications.

To: Manufacturer warranty must be provided within 15 calendar days of contract award.

2. Ice guard/snow bar and gutter replacement is now required. The following was added to the attached “Amendment 7 Specifications” in red text:

"Payment will be made for furnishing all materials, equipment, and labor and performing all operations necessary for Ice Guard/Snow Bar and Gutter Replacement as shown and specified. Demolition shall include but not be limited to, removal and proper offsite disposal of all damaged gutters.

Construction shall include, but not be limited to, provision and installation of all new gutter and ice guard/snow bar system on the standing seam metal roof on the Central Control Station. Payment for all warranty, inspections, fees, and provision and installation of any temporary safety features required to complete the roof replacement."

Also see “Amendment 7 Drawings” (1-3).

3. Question (Q): Can the complete original roof plans and details from 2008 be made available to confirm the insulation thickness?

Answer (A): Please see the attached 3 sheets entitled “Amendment 7 Drawings”.

4. Q: Can you provide locations where current roof is leaking at?

A: The roof leak may be coming from the generator exhaust vent area and/or other areas. The entire EPDM roof system is required to be replaced to provide a new watertight roof membrane as specified.

5. Q: Can you confirm if the roof deck is concrete or metal?

A: The existing roof deck is corrugated metal as shown on the drawings.

6. Q: If we are demo the entire roof system down to can we remove and reinstall the original coping metal?

A: No, all new coping metal is required. See the “Sheet Metal” paragraph under number 17 of the Amendment 7 Specifications.

7. Q: Can we get an extension on the bid due date?

A: Yes, the solicitation closing due date and time has been extended.

8. Q: Are we allowed to hire a subcontractor to vacuum off and dispose of the ballast rock.

A: Yes, the successful contractor is responsible for selecting the means and methods necessary to perform all required work in accordance with the solicitation as amended.

9. Q: The demolition section mentions the contractor to remove the existing ballast and stockpile out the central control station as shown on the contract drawings. Can you provide the location, I didn’t see this on the drawings.

A: Ballast rock shall be removed from the site. See attached “Amendment 7 Specifications”.

Specification revision is in red text, deletion from Final As-built requirements letter “d.” not shown.

10. Q: The spec mentions a cover board, can you provide the type of cover board and thickness?

A: ½” thick cover board is acceptable. The type of cover board depends on the roofing manufacturer selected by the contractor. Cover board is to be provided per the roofing manufacturer’s recommendations and instructions to ensure the roof assembly meets all fire, smoke and wind uplift rating requirements as specified.

11. Q: Please confirm the thickness of the EPDM membrane is 90 mil.

A: Yes, 90 mil.

12. Q: Since the roof is only 10 years old can we provide a more cost effective roof replacement option as follows:

Leave the existing coping metal and railing system as is on parapet walls Push ballast rock to one side.

Remove EPDM membrane and save original roof insulation.

Tie into existing membrane on parapet walls with seam tape, primer and lap sealant.

Loose lay new 90 mil black EPDM membrane over original roof insulation.

Tie into existing membrane Push ballast rock back over new EPDM membrane.

Flash in all existing roof curbs, soil stacks and thru-wall scuppers.

Reuse the existing concrete pavers or provide new pavers.

20 year material and labor warranty.

A: Please quote as specified.

13. Q: Does the Specification ask for a signature from a Factory Representative indicating a factory review?

A: The successful contractor shall provide the warranty within 15 calendar days of contract award from the proposed roofing manufacturer to confirm the project specific warranty will be provided as specified and shall cover maximum wind speed coverage including peak gusts of 72 mph measured at 10 meters above ground level. See “Roof Membrane Manufacturer Warranty” section in the Amendment 7 Specifications.

14. Q: Does a Sample Copy of the Factory Warranty that will accompany a completed roof that fulfills the contract requirements be sufficient for a Quotation Offer?

A: No, see number 13 above.

15. The ponding requirements under “a.” of the “Tapered Polyisocyanurate Board Insulation” specification section have been updated;

From: “…pond on the repaired roofs.”

To: “…pond on the repaired roofs over 48 hours.”

16. The “Roof Certification” section of the solicitation has been deleted in its entirety.

All other terms and conditions remain unchanged.

SECTION 00 10 00 - SOLICITATION

The required response date/time has changed from 13-Sep-2018 02:00 PM to 17-Sep-2018 02:00 PM.

SECTION 00 20 00 - INSTRUCTIONS FOR PROCUREMENT

The following have been modified:

INSTRUCTIONS TO QUOTERS

Please provide all of the following with your quote and send your quote via email (preferred) to Aragon.N.Liebzeit@USACE.ARMY.MIL or via mail to (no facsimile quotes will be accepted):

U.S. Army Corps of Engineers Attn: Contracting Division (Aragon Liebzeit) 180 5th Street East, STE 700 St. Paul, MN 55101

1. Acknowledgement of all amendments (if applicable).

2. Signed/dated Standard Form (SF) 1442 with pricing for all line items and a total price. Incomplete pricing schedules may be rejected.

3. All pricing must include shipping (FOB destination) and not have a separate line for shipping.

4. Completed provision 52.212-3, Alt. I, “Offeror Representations and Certifications-Commercial Items”. If you are registered in SAM and the information is current you are not required to fill out the provision but you must indicate that your SAM record is current.

5. CAGE code, DUNS number and Tax Identification Number (TIN).

6. Contact information for the individual submitting the quote.

7. Manufacturer warranty must be provided within 15 calendar days of contract award.

8. Submit all questions in writing via email to Mr. Aragon Liebzeit at the email address above.

NOTE: IAW FAR 29.3-State and Local Taxes and pursuant to Title 4 of the USC 104-107, the Government is exempt from paying local and state taxes. Exempt tax identification number is: 62-1642142

The following have been deleted:

ROOF CERTIFICATION

(End of Summary of Changes)