B08.03 W9132T-22-Q-0043-0001.pdf

W81EWF21468104

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

The purpose of this amendment is to: notifiy the public of recent revisions to the specif ications detailed w ithin Section C of the solicitation document due to inconsistencies. As a result, the offer due date has changed from 12:00 PM (central) 18 August 2022 to 12:00 PM (central) 23 August 2022; a net increase of 5 days.

1. CONTRACT ID CODE PAGE OF PAGES

J 1 3

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

16C. DATE SIGNED

BY 18-Aug-2022

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 W9132T22Q0043

X 9B. DATED (SEE ITEM 11)

05-Aug-2022

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

18-Aug-2022

CODE

ERDC CONTRACTING OFFICE

CHAMPAIGN OFFICE

P O BOX 9005

CHAMPAIGN IL 61826-9005

W9132T 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W9132T22Q0043

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION A - SOLICITATION/CONTRACT FORM

The required response date/time has changed from 18-Aug-2022 12:00 PM to 23-Aug-2022 12:00 PM.

SECTION C - DESCRIPTIONS AND SPECIFICATIONS

The following have been modified:

DESCRIPTION OF REQUIREMENT

DESCRIPTION OF REQUIREMENT

MATERIALS LAB DUST MITIGATION SYSTEM

Background:

The Engineer Research Development Center (ERDC) Additive Construction (AC) program at ERDC-Champaign (CERL) utilizes cutting-edge, automated 3D printing capabilities to construct a multitude of designs to include facilities, gap crossings, and obstacles using locally available cement and aggregate materials. A primary task includes testing of 3D printing materials, which includes aggregate testing (sieve analysis, particle characterization), mortar and concrete mixing and fresh material assessment. To ensure proper testing ERDC- CERL is upgrading the materials testing facility, which includes new modular enclosed spaces for aggregate, mortar, and concrete testing. Testing of aggregates and mixing procedures often results in the production of airborne dust particles, which require strategies to remove the dust to prevent inhalation by researchers in proximity to these activities. To mitigate dust from materials testing and mixing, ERDC-CERL requires dust mitigation equipment to remove the airborne dust from workspaces. The sections below define the Materials Lab Dust Mitigation System Requirements (Section 1), and the Installation and Training Requirements (Section

2) to be supplied by the contractor.

1. Dust Mitigation Requirements:

1.1. Must be designed to handle airborne fines for the following:

1.1.1. (1) 8.5’ x 16’ x 10’ Tall Aggregate Testing zone (sand fines)

1.1.1.1. Large Sieve: 22.5”W x 34”L x 48”H

1.1.1.2. 12” Sieve: 14.5”W x 18”L x 48”H

1.1.2. 8.5’ x 16’ x 10’ Tall Mortar Testing zone (cement, silica fume, fly ash fines)

1.1.2.1. (2) Small Batch Mixers: 10”wide x 14” long x 18” tall

1.1.2.1.1. Bowl height during mixing = 10”

1.1.2.1.2. Mixer Volume 3L, max cement amount 2 Lbs

1.2. Balance air flow to account for a single room conditioner with 280 CFM in each of the 2 zones

1.3. Dust Mitigation system shall consist of at least the following:

1.3.1. Collector with:

1.3.1.1. Hopper with a removable 55 Gallon Drum Waste Containment

1.3.1.2. Runs on electrical power for safe operation indoors (480 volt max)

1.3.1.3. VFD to Maintain Airflow

1.3.1.4. Replaceable filters

1.3.1.5. Self-cleaning system

1.3.1.6. Control System mounted to the collector

1.3.1.7. On board particulate monitoring

1.3.1.8. Maximum space requirements: 7 feet x 7 feet x 14.5 feet tall

W9132T22Q0043

1.3.2. Fume hoods over work spaces to meet dimensional requirements in 1.1 or spot mitigation of equipment through local ducting to equipment listed in 1.1.

1.3.3. Ducting to items covered in 1.3.2 with a maximum duct length of 30 ft duct length to mortar testing zone and maximum of 15 ft duct length to aggregate testing zone.

1.3.4. HEPA After Plenum

1.3.5. Fire Suppression System w/ Intake Damper

1.3.6. As part of the proposal package a drawing shall be provided to indicate collector geometry and dimensions.

1.3.7. Engineered Drawings provided with delivery

2. Installation and Training Requirements

The contractor shall provide installation of the system and training on basics of dust mitigation system. The contractor shall provide installation and onsite training on upkeep and maintenance 30 days after delivery.

Dust Mitigation System shall be delivered and installed no later than October 30th, 2022.

(End of Summary of Changes)