36C25920R0142 0002.docx

5. PROJECT NUMBER (if applicable)

CODE

7. ADMINISTERED BY

2. AMENDMENT/MODIFICATION NUMBER

CODE

6. ISSUED BY

8. NAME AND ADDRESS OF CONTRACTOR

4. REQUISITION/PURCHASE REQ. NUMBER

3. EFFECTIVE DATE

9A. AMENDMENT OF SOLICITATION NUMBER

9B. DATED

PAGE OF PAGES

10A. MODIFICATION OF CONTRACT/ORDER NUMBER

10B. DATED

BPA NO.

1. CONTRACT ID CODE

FACILITY CODE

CODE

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:

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

E. IMPORTANT:

is extended,

(a) By completing Items 8 and 15, and returning __________ 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 ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY is not extended.

12. ACCOUNTING AND APPROPRIATION DATA

(REV. 11/2016)

is required to sign this document and return ___________ copies to the issuing office.

is not, 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.

15C. DATE SIGNED

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

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.

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

D. OTHER

Contractor

16C. DATE SIGNED

14. DESCRIPTION OF AMENDMENT/MODIFICATION

16B. UNITED STATES OF AMERICA

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

16A. NAME AND TITLE OF CONTRACTING OFFICER

15B. CONTRACTOR/OFFEROR

STANDARD FORM 30

PREVIOUS EDITION NOT USABLE

Prescribed by GSA - FAR (48 CFR) 53.243 (Type or print) (Type or print) (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

(Number, street, county, State and ZIP Code) (If other than Item 6) (Specify type of modification and authority) (such as changes in paying office, appropriation date, etc.)

(If required)

(SEE ITEM 11)

(SEE ITEM 13)

(X)

CHECK

ONE

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

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

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

(Signature of person authorized to sign) (Signature of Contracting Officer) 1 of 666-20-108 36C259 Department of Veterans Affairs Network Contracting Office

NCO 19

6162 South Willow Drive, Suite 300 Greenwood Village

CO

80111 36C259 Department of Veterans Affairs Network Contracting Office

NCO 19

6162 South Willow Drive, Suite 300 Greenwood Village

CO

80111 To all Offerors/Bidders

36C25920R0142 10-01-2020

X X X

X This amendment is created to provide answers to RFI #2. See attached questions, answers and drawings.

All other terms and conditions remain the same.

RFI #2 – Amendment 2 666-20-108 COVID-19 B71/B71N HVAC Remodel

1. Please identify the sheathing material for the south shingled roof.

Wood. 1932 drawings list it as “Sheething” in the details.

2. Please identify the asphalt shingle material and number of layers for the south roof.

The shingles used in 2007 are no longer manufactured. The roof was re-roofed and is one layer. The shingle the VA is currently using in Sheridan is the Atlas Roof Shingles, Stormaster, Color: Blackstone Slate.

3. Please identify the roofing membrane & amount of insulation for the south flat roof.

Duro-Last Roofing System installed January 04, 2008 with a 15-year warranty. Installed by Joseph Murphy Construction. Insulation is rigid 5” average for an R-30 tapered roof.

4. Please identify the roof deck and structural framing for the south flat roof.

See structural drawings.

5. Please identify the roofing membrane & amount of insulation for the north flat roof.

Roofing is a Modified Bituminous Roof. Insulation is rigid 5” average for an R-30 tapered roof.

6. Please identify the roof deck and structural framing for the north flat roof.

See structural drawings.

7. What is the elevation of the roof deck where the roof screen is to be installed?

37’-7 ½”

8. Does the north mechanical room have a ceiling? If so, what is its construction?

Two layers of 5/8” Gyp. on 2x12 Rafters, 12” O.C.

9. What is the ceiling construction below ERVs 3 & 4, per note 20/M100?

See structural drawings.

10. Will temporary heating be required during the AHU5 replacement?

Yes. If the outside temperature is below 65, and temporary cooling will also be needed if the outdoor temperature is above 80. Continuous ventilation air will be needed while AHU-5 is replaced. The same applies while the modifications to AHU-10 are made.

11. Please provide rated ampacities, minimum circuit ampacity (MCA), or maximum overcurrent protection (MOP) for the equipment listed on sheet M300.

An estimate of power requirements are:

B71N Equipment (460 Volt, 3PH):

AHU-5 FLA=52.65, MCA=65.65, MOP=110;

ERV-1 FLA=6.7, MCA=8.38, MOP=15;

ERV-2 FLA=4.2, MCA=5.25, MOP=15;

P-1 FLA=3.0;

B71 Equipment (208 Volt, 3PH)

ERV-3 FLA=5.5, MCA=6.88, MOP=15;

ERV-4 FLA=4.5, MCA=5.63, MOP=15;

P-2 FLA = 3.5;

EF-10 FLA=3.5.

Verify power requirements with manufacturer of equipment provided.

12. Please confirm existing electrical panels have sufficient capacity for powering the replacement and newly added equipment.

B71N Equipment (above or in mechanical room 300):

AHU-5: Extend wire and conduit from unit in room 300 to Panel DNP3 in room 300, roughly 20 feet away.

ERV-1: Extend wire and conduit from unit on roof to Panel DNP3 in room 300, roughly 40 feet away.

ERV-2: Extend wire and conduit from unit on roof to Panel DNP3 in room 300, roughly 55 feet away.

P-1: Extend wire and conduit from pump in ceiling space of room 300 to Panel DNP3 in room 300, roughly 50 feet away.

B71 Equipment (above room 311, and in mechanical room in attic of B71):

Provide new 30 space, 100 amp panel approved equal to Square D model QO-B. Locate near and feed from existing attic panel 71-AEQL approximately 35 feet from door into attic. It has (2) 100 amp spares.

ERV-3: Extend wire and conduit from unit on roof to New Panel in attic, roughly 95 feet away.

ERV-4: Extend wire and conduit from unit on roof to New Panel in attic, roughly 105 feet away.

EF-10: Extend wire and conduit from fan in attic to New Panel in attic, roughly 80 feet away.

P-2: Extend wire and conduit from pump in ceiling space above room 314 to Panel CCP3 in room 311, roughly 35 feet away

13. What does AHU-5 serve and how long can it be offline?

It serves the third floor of building 71N, and the south end of the second floor of building 71N. It can be off line for a maximum of 30 continuous days.

14. Please provide as-built drawings for the ductwork served by AHU-5 so that the testing and balancing work can be quantified.

See included drawings. With all VAV boxes driven full open the AHU performance shall be as scheduled. Then the AHU shall maintain the duct static pressure setpoint. VAV boxes will not be rebalanced.

15. When AHU5 is brought back online does the ERV serving it need to be immediately operational, or can that come online at a later date?

ERV units can come on-line at a later date.

16. What area of the hospital does the ductwork to the south serve, and how long can that area be offline?

AHU-10 serves the 3rd floor of building 71. It can be off line for a maximum of 7 continuous days, and not while AHU-5 in building 71N is off.

17. What is the age of the White rubber roof section?

12 years – January 2008.

CONTINUATION PAGE

See attached document: RFI 2 Drawings 1932.

See attached document: RFI 2 Drawings 1989 1.

See attached document: RFI 2 Drawings 1989 2.