C-5_Amendment_0002_w-attachment.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

This amendment hereby incorporates the follow ing changes into the solicitation:

1. Specif ication and Draw ing corrections.

2. Provide RFI answ ers

3. For Informational purposes only: Provide the Pre-Proposal Site Visit Prospective Bidders Sign-in Sheet dated Dec. 28, 2016.

1. CONTRACT ID CODE PAGE OF PAGES

1 6

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

16C. DATE SIGNED

BY 06-Jan-2017

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 W912DR-17-B-0003

X 9B. DATED (SEE ITEM 11)

13-Dec-2016

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 is extended, X 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

06-Jan-2017

CODE

U.S. ARMY CORPS OF ENGINEERS, BALTIMORE

10 S. HOWARD STREET

ROOM 7000

BALTIMORE MD 21201

W912DR 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912DR-17-B-0003

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION SF 30 - BLOCK 14 CONTINUATION PAGE

The following have been added by full text:

SUMMARY OF CHANGES

SPECIFICATIONS:

1) Section 01 35 26 GOVERNMENTAL SAFETY REQUIREMENTS, Paragraph 1.5.1.1.1: CHANGE the first sentence under this heading to read as follows “The Contractor Quality Control person cannot be the SSHO on this project.”

2) Section 01 45 00.00 QUALITY CONTROL, Paragraph 3.4.2 CQC System Manager: CHANGE the fourth sentence to read as follows: “The CQC Manager must be assigned as System Manager but may not also have the duties of project superintendent.”

3) Section 01 50 00 TEMPORARY CONSTRUCTION FACILITIES AND CONTROLS, Paragraph 3.3.2.b:

CHANGE the text in the Cost column of the UTILITY SERVICES table for Electricity and Potable Water to read “No Charge”.

4) Section 01 78 23 OPERATION AND MAINTENANCE DATA, Paragraph 1.1.4: DELETE the word

“Government’s” from the first line of the first sentence in this paragraph.

5) Section 14 21 13 ELECTRIC TRACTION FREIGHT ELEVATORS, Paragraph 2.3 ELEVATOR MACHINE:

CHANGE the third sentence to read as follows: “AC traction hoisting motor shall conform to NEMA MG 1 and

NEMA PREMIUM hoisting motor.

6) Section 14 21 13 ELECTRIC TRACTION FREIGHT ELEVATORS, Paragraph 2.4.1 Motor Control

Equipment: CHANGE the second sentences at read as follows: “Provide microprocessor, AC, variable voltage, variable frequency control with hoisting motor.”

7) Section 14 21 13 ELECTRIC TRACTION FREIGHT ELEVATORS, Paragraph 2.4.1.1 Motor Generator Set:

CHANGE “Motor Generator Set” heading to “Hoisting Motor”. CHANGE the second sentences at read as follows: “Provide hoisting motor with Class F insulation and rated at 120 starts per hour for elevator service.”

8) Section 26 11 16 SECONDARY UNIT SUBSTATIONS, Paragraph 1.5.2 Paint Coating System: REVISE

Paragraph below heading to read as follows: “Submit coating system information.”

9) Section 26 11 16 SECONDARY UNIT SUBSTATIONS, Paragraph 2.2.2 Transformer (Dry Type) Section:

REVISE the last sentence of the first paragraph to read as follows: “Paint coating system shall be manufacturer’s standard system suitable for a damp interior environment consisting of a baked enamel applied over a rust inhibited phosphate base coating.”

DRAWINGS:

10) Plate 15, Detail 1: Add the following.

“TYP BOTH SIDES OF BEAM AND BOTH SIDES OF ELEVATOR SHAFT AT 3 ELEVATIONS”.

11) Plate 16, Section A: Add the following note after each callout for Detail 1/15 or Details 1/- through 4/-

“TYP BOTH SIDES OF ELEVATOR SHAFT”.

12) Plate 18: Replace General Sheet Note 4 with the following:

“4. REPLACE EXISTING AND NEWLY DAMAGED QUARRY TILE IN THE LIME FEED ROOM AND

THE LOBBY WITH NEW QUARRY TILE THAT MATCHES THE COLOR, SHAPE AND SIZE OF THE

EXISTING TILE.”

13) Plate 25: Add the following call out pointing to 3 dashed lines in Uniforms Room No. 106:

"14 GA 1-1/16" DIA SST CLOSET POLES AT 3'-2" AND 6'-4" AFF W/ SST SUPPORT BRACKETS AT 4'-

0" MAX SPACING AND SST FLANGES AT WALLS".

RFI ANSWERS:

14) Questions and Answers: dated Jan. 5, 2017, are provided for information only

QUESTIONS AND ANSWERS

FOR INFORMATION ONLY (FIO)

CHEMICAL BUILDING ELECTRICAL UPGRADES

WASHINGTON AQUEDUCT, WASHINGTON, D.C.

W912DR-17-B-0003

JANUARY 5, 2017

Question No. 1: Please confirm the following regarding the existing roofing system:

System Manufacturer, System Warranty POC.

Answer No. 1: The existing roofing products were supplied by Firestone Building Products Company, LLC, FEBCO Warranty BG1001.

Question No. 2: Detail 1/15 indicates that new added 1/2" plates are to be field welded to the top and bottom flanges of existing 12WF27 beam. Please confirm if the new 1/2" plates are to extend the full length of the existing

12W27 beam.

Answer No. 2: Yes. The ½-inch thick plates are to extend the full length of the existing 12WF27 beam. See notes added to drawing under Amendment 2.

Question No. 3: Detail 1/15 on plate 16 is indicated at section A on the right side at 3 places. Does detail 1/15 also apply on the left side of section 1/15 OR more generally do all of the details shown on the right side of section A on plan 16 also apply on the left side unless they are shown at section B?

Answer No. 3: Detail 1/15 applies to the 12WF27 on both sides of the elevator shaft, as shown on Second Floor

Elevation 168 on plate 15. The reinforcement plates are shown as darker lines for beams on both sides of the elevator shaft. Details 1 through 4 called out on Section A on Plate 16 shall apply to both sides of the elevator shaft.

See notes added to drawings under Amendment 2.

Question No. 4: Please advise if the steel fabricator must be an AISC certified fabricator, or if fabrication can be certified as AISC compliant by a 3rd party.

Answer No. 4: The fabricator shall be AISC certified as specified.

Question No. 5: General Sheet Note 4 on Plate 18 says to replace damaged quarry tile in the Lime Feed Room, Old

Training Room and the Lobby. Does this note refer to the existing damaged quarry tile or tile damaged as the result of the work performed for this project?

Answer No. 5: Both existing damaged and newly damage quarry tile shall be replaced. See revised General Sheet

Note 4 issued under Amendment 2.

Question No. 6: At Uniform 106 on Plate 25, is there shelving or cabinets required to be provided? It looks like something is shown but there is no reference.

Answer No. 6: The dashed lines represent closet poles. See revised drawing note added under Amendment 2.

Question No. 7: Please provide details and specify the material for the vanities at rooms 101 thru 104.

Answer No. 7: Vanities are specified under Section 10 21 13. See Section A on Plate 28 and Detail 3 on Plate 32 for additional information on the vanity configuration.

Question No. 8: The contract number on the specifications currently differs from the contract number on the RFP.

Please confirm the provided specifications are correct.

Answer No. 8: The Contract Number shown on the professional engineer’s signature pages of the specifications refer to CH2M Hill’s engineering contract for the design, not the construction contract number.

Question No. 9: Section 01 50 00 states that the contractor is responsible for paying usage charges for electricity during construction at prevailing rates. Given the nature of the project it will be very difficult to differentiate power used for construction verses maintaining existing systems and operations. Please consider waiving this requirement.

Answer No. 9: These usage charges will be waived. See text revision for specification section 015000 issued under

Amendment 2.

Question No. 10: Section 01 78 23 - 1.1.4 states that "The Government's Commissioning Authority (CA) must review." and Section 01 80 00 - 1.5 states "The Commissioning Firm shall be a tier-one Sub-Contractor...". Please clarify who will be responsible for hiring and paying for the 3rd party commissioning authority.

Answer No. 10: The intent of the Contract Documents is for the Contractor to hire and pay for the Commissioning

Firm, including the Commissioning Authority. See text revisions for specification section 01 78 23 issued under

Amendment 2.

Question No. 11: Page 5 of the RFP lists the required documents to be provided with the proposal. Please clarify what is to be submitted in response to the S-1 02 document.

Answer No. 11: The S-102 doesn't need to be submitted with their bid. The S-102 is merely a condition of the solicitation. The S-102 (Contractor Supply and Use of Electronic Software for Processing Davis-Bacon Act

Certified Labor Payrolls (April 2011) does NOT need to be submitted with your bid. Please remove this requirement.

Question No. 12: Please clarify if this solicitation has any small business requirements and if a subcontracting plan is required to be submitted with the proposal.

Answer No. 12: This is an unrestricted procurement. See FAR 52.219-9 for subcontracting plan requirements.

Question No. 13: Page 35 of the RFP requires the contractor to self-perform 20% of the total contract. Considering that the majority of this project will be performed by MEP subcontractors, can this requirement be waived or significantly reduced?

Answer No. 13: No. This requirement cannot be waived.

Question No. 14: Section 01 35 26 states that the SSHO duties can be performed by the CQC system manager.

Section 01 45 00 states that the SSHO must report independently from the CQC system manager. Can the CQC system manager also perform the SSHO duties?

Answer No. 14: No, see text modifications provided under Amendment 2.

Question No. 15: Section 01 45 00 states that the CQC system manager can also perform the Superintendent duties.

Can the QC really also perform the Superintendent role or is it required that the QC and Superintendent roles be performed by two separate full time people?

Answer No. 15: Yes, see modified text provided under Amendment 2.

Question No. 16: Please clarify who the existing direct digital control system manufacturer is.

Answer No. 16: The existing direct digital control system was supplied by Siemens.

Question No. 17: Please clarify who the existing fire alarm manufacturer is.

Answer No. 17: The existing fire alarm system in the Dalecarlia Chemical Building is being replaced with new system based on Notifier.

Question No. 18: Per section 23 09 00, states to interface with the existing HVAC controls system, who is the manufacturer of the existing system?

Answer No. 18: The existing HVAC control system was supplied by Siemens.

Question No. 19: Is this the same manufacturer for spec section 40 95 00 process controls?

Answer No. 19: The existing process control system was provided by Bristol Babcock, Inc., which is currently owned by Emerson Process Management, Ltd.

Question No. 20: Section 14 21 13 paragraph 2.3, requires a D.C. drive motor. Please confirm that it is the intent to require a D.C. motor.

Answer No. 20: See modified text provided under Amendment 2.

Question No. 21: Section 14 21 13 paragraph 2.4.1 and 2.4.1.1, refer to a motor-generator set. Please confirm that it is the intent to require an MG set and not an SCR or VVVF.

Answer No. 21: See modified text provided under Amendment 2.

Question No. 22: Currently the freight elevator doors are manually operated. Is the new elevator to include manual or automatic power doors?

Answer No. 22: The new freight elevator cab and hoistway doors shall be power operated as required in Section 14

21 13 Paragraph 2.1.1.h and 2.1.1.i.

Question No. 23: In specification 26 11 16, Unit Substations, 1.5.2, 2.2.1.1 and 2.2.2.2, the paint coating requirements for ANSI C57.12.29 are referred to. I am confirming that this specification will need to be complied with on this project.

Answer No. 23: See modified text provided under Amendment 2.

ATTACHMENTS:

Pre-Proposal Meeting: Attached for information only is the sign in sheet for the Pre-Proposal Site Visit dated DEC.

28, 2016.