Roof Amend 1 - DTFASA-17-R-00092 (SF 30).SF 30

OMB Control No. 2120-0595 (SF-30) FAA Template No. 11 (Reverse) (8/97)

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1. CONTRACT ID CODE PAGE OF PAGES

1 1

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

0001 01/13/2017 DTFASA-17-R-00092

6. ISSUED BY 7. ADMINISTRATED BY (If other than Item 6) Federal Aviation Administration Acquisition Management Branch, ANM52 1601 Lind Ave SW Renton WA 98057

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

9A. AMENDMENT OF SOLICITATION NO.

9B. DATED (SEE ITEM 11)

Dec 02, 2016

10A. MODIFICATION OF CONTRACT/ORDER NO.

10B. AWARD DATED (SEE ITEM 13)

CODE FACILITY CODE

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

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

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation on as amended, by one of the following methods:

(a) By completing Item 8 and 15, and returning 1 copies of the amendment; (b) 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 ACKNOWLEDG- MENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR 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 hours 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 data, etc.) SET FORTH IN ITEM 14, C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is required to sign this document and return 1 copy to the issuing office.

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

The above referenced solicitation for the Denver ARTCC Asbestos Removal, Longmont CO is amended as follows:

The purpose of this modification is to Extend date of proposal due and post additional info for amendment one including spec changes.

See below. For full description and attached for additional specs.

ALL OTHER TERMS AND CONDITIONS REMAIN UNCHANGED.

PROPOSALS ARE DUE February 15th 2017 at 3PM PST

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

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

15B. CONTRACTOR/OFFEROR 15C. DATE SIGNED

16B. UNITED STATES OF AMERICA

16C. DATE SIGNED

(Signature of person authorized to sign)

BY

(Signature of Contracting Officer)

DTFASA-17-R-00092

Amendment No. 1

January 10, 2017

Original Solicitation DTFASA-17-R-00092

(December 02, 2016)

Denver Airport Traffic Control Tower Roof Repair

Denver International Airport

Denver, Colorado

Please note Electronic submissions (email are accepted and preferred). NO BID BOND IS

REQUIRED.

Due Date for Proposals is February 15 th

, 2017 3PM PST. Questions are due January 30, 2017

4PM PST.

The following revises the Specifications to the Denver (DEN) Airport Traffic Control Tower

(ATCT) Roof Replacement Project (November, 2016), JCN 1404633.

Specifically:

Replace:

Section 01 10 00 – SUMMARY OF WORK, Section 1.2, Paragraph A:

A. “Remove and replace approximately 9,982 ft of existing ballast pavers and elastomeric roofing membrane as provided by the manufacturer, and including but not limited to; metal terminations, slip sheet, existing insulation, on the DEN ATCT Base and Connector Buildings. Replace insulation with required R-value for Denver, CO while achieving a minimum slope of ¼” per foot toward the roof top drains. Install a new ballasted elastomeric membrane roof no less than 60-mil thickness and fully warranted by the manufacturer for twenty (20) years to cover defects in the manufacture of the roof membrane and a warranty covering workmanship, and a twenty (20) year material and wind uplift warranty for the ballast pavers. The warranty will cover installation, what items are covered, and what will void them.”

Section 01 10 00 – SUMMARY OF WORK, Section 1.2, Paragraph C:

3. “Although not a complete list, remove and replace any and all vapor barrier material, insulation, pitch pans, scuppers, drains (new collars, strainers, & covers), curbs and flashing, penetration flashing, protection board, and parapet wall membrane, curb coping, flashing, water blocks, caulking, and ballast pavers. Replace ballast pavers in a similar existing pattern with exact load in kind and meet current wind design standard for a ballasted single-ply roofing system.”

Section 01 10 00 – SUMMARY OF WORK, Section 1.2, Paragraph D:

D. “Remove and replace the Soffit on the eastside of the Connector Building located between the Base Building and Terminal-C Concourse. Repair and/or replace any corroded structural members (field verify) above the soffit. Replace the soffit with a prefinished white, partially vented, 24 gauge galvanized steel, with a minimum 20 year finished warranty.”

Section 01 10 00 – SUMMARY OF WORK, Section 1.2, Paragraph K:

K. “Refurbish and paint various items, including but not limited to; metal railing, new railing extension, flashings, vent covers, access plates, and copings.”

Section 01 10 00 – SUMMARY OF WORK, Section 1.2, Paragraph L:

L. “Replace flashing, caulking, and sealant including but not limited to; rooftop edges abutting other vertical structures, i.e., the DEN ATCT vertical shaft, Base Building, and DIA Terminal-C Concourse.”

Add:

Section 01 10 00 – SUMMARY OF WORK, Section 1.2, Paragraph N:

A. “Replace the bituminous and elastomeric roofs on ATCT Cab and ATCT Cab

Penthouse respectively with elastomeric single ply membrane roof with 60-mil nominal

EPDM roof fully warranted by the manufacturer for twenty (20) years to cover defects in the manufacture of the roof membrane and a warranty covering workmanship.

i. ATCT Cab Roof: Remove and replace the existing single-ply membrane and insulation. Install new R-30 tapered roofing insulation, sloping to drain on 3” metal deck. Provide additional insulation as needed to achieve a minimum slope of ¼” per foot.

ii. ATCT Cab Penthouse Roof: Remove and replace the existing single-ply membrane and insulation. The finished roof shall slope a minimum of ¼” foot toward the penthouse roof edge.

iii. All required vapor barrier material, insulation, pitch pans, crickets, scuppers, drains (new collars, strainers, & covers), curbs and flashing, penetration flashing, protection board, parapet wall membrane, curb coping, and cap flashing shall be provided. New walkway pads shall be installed the circumference of the ATC Cab roof.”

B. Walkway Pads: Factory-formed, nonporous, heavy-duty, slip-resisting, surface-textured walkway pads or rolls, approximately 3/16 inch thick and acceptable to membrane roofing system manufacturer.

Section 01 01 15 – LIST OF REFERENCE DRAWINGS:

ATCT CAB AND PENTHOUSE ROOF

I. NMD-601-40478-A3B-B Cab & Penthouse Floor Plans

II. NMD-601-40478-A9B ATCT Cab Section

III. NMD-601-40478-A13B Cab Penthouse Details

IV. NMD-600-40478-S0.1A ATCT Base Building Design Criteria and General Notes

Section 00 01 16 – LIST OF REFERENCE PHOTOGRAPHS:

ATCT CAB AND CAB PENTHOUSE ROOF

I. Cab Roof

II. Cab Roof

III. Cab Roof

IV. Cab Roof

V. Cab Roof

VI. Cab Roof

VII. Cab Roof

VIII. Cab Roof 1

IX. Cab Roof Adjacent to Penthouse Shelter

X. Penthouse Roof

XI. Penthouse Roof

XII. Penthouse Roof

XIII. Penthouse Roof

XIV. Penthouse Roof

XV. Penthouse Roof

Section 07 13 53 – ELASTOMERIC SHEET WATERPROOFING, Section 1.4, Paragraph B-

1:

1. “Include setting drawings showing layout, sizes, sections, profiles, and details of ballast pavers.”

Section 07 13 53 – ELASTOMERIC SHEET WATERPROOFING, Section 1.4, Paragraph C-

4:

4. Ballast pavers, full sized, in matching color and texture required. Ballast pavers placed in a similar existing pattern with exact load in kind and meet FM I-90 for a ballasted single-ply roofing system.”

Add:

Section 07 53 23 – ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM)

[Specification]

END OF AMENDMENT 1