21Q0038 Amendment 1.pdf

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Attached to
Cylindrical OD Grinder (Updated 9/2/2021) Federal contract opportunity
Solicitation number
W911KF-21-Q-0038
Issued by
Department of the Army Materiel Command Contracting Command Detroit Arsenal

About this file

This document contains an amendment to a solicitation for a CNC cylindrical OD grinder. Key details include:

  • The solicitation is for the purchase and installation of a CNC cylindrical OD grinder at a facility in Anniston, AL. The contractor must deliver, install, and perform tests on the grinder and ancillary equipment.

  • The statement of work is updated to remove a requirement for a site layout. A 13' by 13' area will be provided at each shop receiving equipment.

  • The solicitation closing date is extended from September 9, 2021 to September 13, 2021.

  • Several questions from vendors are answered, clarifying that certain proposed alternatives for aspects like axis travels, wheel sizes, machine bases, and wheel balancing systems are not acceptable.

  • Installation requirements the contractor must provide are outlined, including floor plans, space needs, foundation specs, dimensions, weights, utility requirements, and waste disposal needs.

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Text version

SEE SCHEDULE

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

See page 2

1. CONTRACT ID CODE PAGE OF PAGES

1 5

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

16C. DATE SIGNED

BY 02-Sep-2021

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 W911KF21Q0038

X 9B. DATED (SEE ITEM 11)

09-Aug-2021

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

02-Sep-2021

CODE

ACC-ANAD

KISHAWN BANKS

7 FRANKFORD AVE

ANNISTON AL 32601-4199

W911KF 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W911KF21Q0038

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

The following items are applicable to this modification:

AMENDMENT NOTES

1. The purpose of this Amendment is to update the (SOW), extend the Solicitation close date, and answer submitted Vendor questions.

2. The Statement of Work (SOW) is updated to remove the following a site Layout will be provided from Section 5.3.

3. Solicitation closing date is hereby changed FROM 9 September 2021 TO 13 September 2021.

W911KF-21-Q-0038

VENDOR QUESTIONS

3.1 General Requirements: The Computer Numerical Controlled CNC Angle Head OD Grinder shall be new and one of the manufacturer’s current models capable of operation in accordance with the requirements herein. The machine base shall be of cast frame (not a welded steel frame).

The CNC grinder shall be capable of operation in manual, semi-automatic, or fully automatic cycle. The grinder shall use standard International Organization for Standardization (ISO) programming format for computer numerical controlled machine tools. The programming shall include all required software and hardware necessary to program and operate the CNC grinder from the machine’s control panel. The control shall include basic level Question and Answer with Graphics conversational assist programming for basic plunge and traverse grinding. The CNC control shall accept programs from an off-line programming system. The CNC grinder shall have a V & Flat guideway system, precision hydrodynamic bearing for the wheel spindle, flood coolant system, work light, full enclosure, spare parts list, maintenance and instruction manuals, standard set of wrenches and keys for the CNC grinder and its accessories. All parts subject to wear, breakage, or distortion shall be accessible for adjustment, QUESTION 1

Is a graphic assisted mask with value prompts an acceptable alternative?

ANSWER 1

No

QUESTION 2

Is a high precision maintenance free roller bearing an acceptable alternative?

ANSWER 2

3.1.2 Travel: The minimum requirements for axis travels are: X-axis (wheel-head) travel minimum 16.50” inches, Z-axis (Saddle) minimum of 25.50” inches.

QUESTION 3

Is 14.6" an acceptable X axis travel?

ANSWER 3:

3.1.4 Wheel-head: Wheel-head shall be set to an angle of 60 degrees in reference to the Z-axis.

Spindle motor shall be a minimum of 10 HP. Wheel spindle shall be supplied with force fed lubrication with pressure check. Wheel size shall be (ODxWxID) up to 24” x 4” x 10.0” (with a special wheel flange) and a maximum peripheral speed of 8800 feet per minute (fpm). Max wheel width for standard wheel flange shall be 3.94”. Mounted to the wheel-head shall be a Z-axis part feature locator.

QUESTION 4

Clarification, should this state 30 degrees or is 60 degrees correct?

ANSWER 4

60 degrees referenced from the Z Axis of the Grinding Center

QUESTION 5

Would a 20"x4"x8" wheel be acceptable?

ANSWER 5

3.1.6 Machine Construction: The machine base shall be of cast iron construction. The work area shall be completely enclosed.

QUESTION 6

Is a base made of a mineral cast polymer concrete acceptable?

Please note the benefits of the Granitan base.

Machine Base - Patented designs unique to Studer include the Granitan base which is superior in vibration dampening and thermal stability.

Comparison of Granitan to conventional machine base materials

ANSWER 6

7.4 Automatic Wheel Balancer System: An automatic wheel balancing system shall be utilized.

Wheel balancing system shall communicate with the CNC control to automatically perform grinding wheel dressing cycle when anomalies are detected in the grinding surface of the grinding wheel.

QUESTION 7

Is a semi-automatic wheel balancing system acceptable?

ANSWER 7

No

5.3 Installation: The contractor shall be responsible for installing the CNC grinder to include all labor and materials required. The contractor shall be responsible for insuring that the installation is compatible with existing facilities. The contractor shall provide along with the bid, all of the installation requirements for the proposed offering, in this case, a (CNC grinder). This documentation is to include as a minimum, the following:

a. Floor plan drawing of the CNC grinder showing the floor space requirements.

b. Space required around the machine after installation for maintenance purposes.

c. Foundation requirements, if any.

d. Maximum overall length, width, and height dimensions.

e. Approximate weight of the machine with accessories and attachments.

f. All utility requirements, including capacities of required utilities and approximate locations of utility connections to the machine.

g. Industrial waste disposal requirements, if any.

h. Ventilation requirements, if any.

A site layout for the equipment is included with this specification for reference.

QUESTION 8

5.3 states a Layout would be provided.

Can you send the Layout to me please?

ANSWER

A site layout was not provided as this was an error in the provided statement of work. Each of the shops receiving equipment will allow a 13’ by 13’ area.

4. All other terms and conditions are unchanged.

File details come from the government source that posted it. Updated .