Amendment_3_0003.pdf

(x)

140L3623Q0050 x x

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 electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGEMENT 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 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.

x

LMA

BILLINGS MT 59101

5001 SOUTHGATE DR.

BLM MT STATE OFC(MT935)

LMA

BILLINGS MT 59101

5001 SOUTHGATE DR.

BLM MT-STATE OFC(MT935)

09/05/20230003

13. THIS ITEM ONLY APPLIES TO MODIFICATION OF CONTRACTS/ORDERS. IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

12. ACCOUNTING AND APPROPRIATION DATA (If required) is not extended.is extended, Items 8 and 15, and returning

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: (a) By completing

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

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

FACILITY CODE CODE

10B. DATED (SEE ITEM 13)

10A. MODIFICATION OF CONTRACT/ORDER NO.

9B. DATED (SEE ITEM 11)

9A. AMENDMENT OF SOLICITATION NO.

CODE

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

7. ADMINISTERED BY (If other than Item 6)CODE 6. ISSUED BY

PAGE OF PAGES

4. REQUISITION/PURCHASE REQ. NO.3. EFFECTIVE DATE2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO. (If applicable)

1. CONTRACT ID CODE

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

08/18/2023

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority) appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

E. IMPORTANT: Contractor is not is required to sign this document and return __________________ copies to the issuing office.

ORDER NO. IN ITEM 10A.

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

See below for changes incorporated by this amendment.

Period of Performance: 09/18/2023 to 12/01/2023

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

15C. DATE SIGNED 16B. UNITED STATES OF AMERICA 15B. CONTRACTOR/OFFEROR 16C. DATE SIGNED

(Signature of person authorized to sign) (Signature of Contracting Officer)

Jorge Alvarez

STANDARD FORM 30 (REV. 11/2016)

Prescribed by GSA FAR (48 CFR) 53.243

Previous edition unusable

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

PROJECT DESCRIPTION: Grub Dam Repairs Solicitation No. 140L3623Q0050

Description of Changes - This amendment incorporates the following information:

1. The Government is providing the Question received from an interested offeror and the associated Answer provided by the Government.

Acknowledgement - See Block 11 above regarding how to acknowledge this amendment. The Government must receive the acknowledgement at the place designated for receipt of offers (See Block 8 of the Standard Form 1442).

Third Party – If you have given a copy of the solicitation to someone else, please forward this amendment accordingly.

PROJECT DESCRIPTION: Grub Dam Repairs Solicitation No. 140L3623Q0050

Questions and Answers

1. Please see the attached concrete mix design from Fossum Ready Mix in Glasgow, MT.

See below. Would it be approved? It does not contain the specified pozzolans.

• The absence of pozzolans is acceptable as long as an additive that accounts for potentially damaging reactions associated with the soils is substituted. The original work at Grub Dam mitigated these reactions using a Lithium additive. Utilizing the same design mixture as the original dam contract would be an acceptable alternative to a non-pozzolan mixture. The mixture, as submitted, does not contain the Lithium additive needed for approval.

LETTER OF TRANSMITTAL

TO: FROM:

Jorge Alvarez

Tyler Youderian

Acting Supervisory PA/Contracting Officer DATE:

9-1-23

Bureau of Land Management

EMAIL: EMAIL:

Alvarez, Jorge A <jalvarez@blm.gov> Tyler@youderianconst.com

PHONE NUMBER: PHONE NUMBER::

406-490-7708

RE: TOTAL NO. OF PAGES, INCLUDING COVER:

RFQ 140L3623Q0050 - GRUB DAM

REPAIRS

DESCRIPTION:

☐ SUBMITTAL PAY REQUEST CHANGE ORDER COPY OF LETTER REQUEST FOR INFO

Please see the attached concrete mix design from Fossum Ready Mix in Glasgow, MT.

Would it be approved? It does not contain the specified pozzolons.

lab:875B992C-C4F8-4770-AA43-A4E60065765E sig:454DC136-9E74-4ABF-A7FA-A5E8003C0316 accred:3

Mix Data Mix Submitted By: Fossum Materials Supplier: Fossum Materials Plant: Fossum Materials Plant Mix Name: 2022 - MDT Class General Specified Design Strength (psi): 4000 at age 28 days Design Unit Weight (pcf): 143.6 Water Cement Ratio (lb/lb): 0.40

Material Source Amount Moisture Cement (lb) GCC IL 611 N/A Coarse Agg (lb) Tampico Pit 1720 Fine Agg (lb) Tampico Pit 1300 Admix 1 (oz) BASF - AE 90 6.1 N/A Admix 2 (oz) BASF - Polyheed 997 24.4 N/A Water (gal) Tampico Pit 29.5 N/A

Sample Details Date Sampled: 04/05/22 Date Received: 04/06/22 General Location: Rimrock Engineering, Inc. Laboratory Sample Location: Rimrock Engineering, Inc. Laboratory Curing Method: Laboratory Cure Field Sample No.: Field Cure Temp (°F) High: 70 Low: 70 Contractor:

Ticket no.: Truck No.:

Sampled By: Jeremy Johnson, ACI #: 01237785 Submitted By: Jeremy Johnson, ACI #: 01237785 Weather:

Est. Wind (mph): Est. Rh (%):

Specification:

Measured Specified Slump (in): ASTM C 143 4 3.00 to 6.50 Slump w/ plasticizer (in): N/A Air Temp (°F): 70 Concrete Temp (°F): ASTM C 1064 69 Air Content (%) ASTM C 231 5.7 5.0 to 8.5 Unit Weight (pcf): ASTM C 138 140.9 143.6 Volume of Density Measure (ft³): 0.249 Batch Size (yd³): 0.10 Time Batched:

Yd³ Placed: Time Sampled:

Water Added (gal) Before: Time Placed:

After: Time in Truck (mins):

Compressive Strength of Concrete Cylinders ASTM C 39 Specimen ID Date Tested Age

(Days) Diameter

(in) Length

(in) Area (in²)

Type of Cap

Maximum Load (lbf)

Fracture Type / Remarks

Compressive Strength (psi)

22-8798\1 04/08/22 3 4.01 8.00 12.63 U 33660 5 2670 22-8798\2 04/08/22 3 4.01 8.00 12.63 U 35780 2 2830 22-8798\3 04/08/22 3 4.01 8.00 12.63 U 34140 3 2700 22-8798\4 04/12/22 7 4.01 8.00 12.63 U 47140 5 3730 22-8798\5 04/12/22 7 4.01 8.00 12.63 U 46580 5 3690 22-8798\6 04/12/22 7 4.01 8.00 12.63 U 45970 3 3640 22-8798\7 05/03/22 28 4.01 8.00 12.63 U 66790 5 5290 22-8798\8 05/03/22 28 4.01 8.00 12.63 U 65760 5 5210 22-8798\9 05/03/22 28 4.01 8.00 12.63 U 68490 2 5420

5310Average 28 Day Compressive Strength (psi) 4000Required Strength (psi)

Project:

RIMROCK

ENGINEERING, INC.

Concrete Test Report Report No: CTR:22-W837-C1 Issue No: 4

2022 Concrete Mix Designs

Job No: 18257-22264

Accreditation is granted by AAP and this accreditation is limited to the laboratory and the standards for which the laboratory is accredited. The results shown on this report relate only to the items inspected or tested. This report shall not be reproduced, except in full, without the prior written approval of Rimrock Engineering, Inc.

Client: Century Companies, Inc.

Reviewed By: Sheri Dorn 5/25/2022Date of Issue:

PO Box 579 Lewistown MT 59457

Fort Peck, Montana

CC:

Title: SET, Laboratory and Field Manager

5440 Holiday Avenue • Billings, MT 59101 • 406.294.8400 • www.rimrock.biz

Page 1 of 1Form No: 18947, Report No: CTR:22-W837-C1 © 2000-2022 QESTLab by SpectraQEST.com

Fracture Type: 2 = Cone & Shear, 3 = C39: Vert cracking/no cones; C1314: Cone & Split, 5 = Semi-Conical Break Curing Method: ASTM C511

Notes Remarks

1. Sampling to ASTM C 172

2. Specimen(s) prepared to ASTM C 31

3. Capping: B = Bonded ASTM C 617,U = Unbonded ASTM C 1231

Plant: Trident Cement Type:

Address: 4070 Trident Road ASTM C1157 GU HS MH

Three Forks, MT 59752 Date Issued: 5-Jan-23

Contact: Cesar Rodriguez Production Period: 1-Dec-22

Phone: (720) 413-8077 To: 31-Dec-22

ASTM Test ASTM Test

Method Method

SiO2 C114 A Blaine Fineness (m2/kg) C204 A A

Al2O3 (%) C114 A Fineness 45 µm (No. 325) Sieve (% retained) C430 A A

Fe2O3 (%) C114 A Density (g/cm3) C188 A A

CaO (%) C114 A Air Content of Mortar (volume %) C185 12 max 12 max

MgO (%) C114 A Autoclave Test, Contraction / Expansion (%) C151 -0.20 min / 0.80 max 0.80 max

SO3 (%) C114 3.0 maxB Time of Initial Setting / Vicat (minutes) C191 45 min / 420 max 45 min / 420 max

Loss on Ignition (%)C C114 10.0 max Compressive Strength

3 Days, MPa (psi) C109 13.0 (1890) min 13.0 (1890) min 30.1 4370

7 Days, MPa (psi) C110 20.0 (2900) min 20.0 (2900) min 37.1 5380

28 Days, MPa (psi)D C111 25.0 (3620) min 28.0 (4060) min 42.6 6180

Mortar Bar Expansion C1038 (%) C1038 0.020 max 0.020 max

ASTM Test

Method

Early Stiffening, Final Penetration (%) C451 A 50 min

ASTM Test ASTM Test

Method Method

CaCO3 in Limestone (%) C150 70 min Sulfate ResistanceE

Expansion at 180 Days (%) C1012 0.05 A 0.05

Heat of HydrationF

3 Days, kJ/kg (cal/g) C1702 A 335 (80) max 267.15 (64)

A Not applicable B It is permissible to exceed the specification limit provided that ASTM C1038 Mortar Bar Expansion does not exceed 0.020 % at 14 days.

C This alternative analysis has been qualified in accordance with ASTM C114 and meets requirements of Table 1 D Test result of prior month E ASTM C1012 Sulfate Resistance testing has been performed at WJE, an AASHTO R-18 certified facility.

F ASTM C1702 Heat of Hydration testing has been performed by GCC Pueblo Cement Plant, an AASHTO R-18 certified facility.

GCC cement is warranted to conform at the time of shipment with current ASTM C595/AASHTO M 240/ASTM C1157. No other warranty is made or implied. Having no control over the use of its cements, GCC does not guarantee finished work. GCC is not responsible for any additives not stated in this Material Certification Report.

SPECIAL PHYSICAL REQUIREMENTS

REQUIREMENTS OF LIMESTONE FOR USE IN BLENDED CEMENTS

LIMESTONE

Item

ASTM C595

Spec. Limit Test Result

PHYSICAL OPTIONAL

Item

ASTM C595

Spec. Limit

ASTM C1157

Spec. Limit Test Result

PHYSICAL REQUIREMENTS FOR SPECIAL PROPERTIES ASTM C595/ASTM C1157

Item High Sulfate

Resistance (HS)

Moderate Heat of

Hydration (MH) Test Result

4.5

Equivalent Alkalis in

Portland Cement (%)

0.012

65.6

2.2

2.7

-0.01

C114 A 0.20

3.4 3.11

Item

ASTM C595 IL

Spec. Limit Test Result Item

ASTM C595 IL

Spec. Limit

ASTM C1157 GU

Spec. Limit Test Result

19.4 446

4.0 1.4

CHEMICAL PHYSICAL

600 S. Cherry Street, Suite 1000, Glendale, CO 80246

Customer Service: (800) CALL GCC / (800) 225-5422

MATERIAL CERTIFICATION REPORT

ASTM C595 IL(10) HS MH

GCC TRIDENT IS AN ISO 9001 CERTIFIED FACILITY

STANDARD REQUIREMENTS ASTM C595/AASHTO M 240/ASTM C1157

RIMROCK ENGINEERING, INC.

RIMROCK ENGINEERING, INC. 5440 Holiday Avenue. Billings, MT 59101. Phone: 406.294.8400 Fax: 406.294.8405

PHYSICAL PROPERTIES OF AGGREGATE

Client Name: Century Companies, Inc. Project No: 18257 Address: P.O. Box 579 Date of Report: 2/15/2023 Lewistown, Montana 59457

Project Name: 2023 Concrete Aggregate Tests Sample No: See Below

Sampled By: Century Companies, Inc. Type of Aggregate: See Below Submitted By: Century Companies, Inc. Source of Sample: Tampico Pit

GRADATION ASTM C-136, C-117

Lab No. 23-368-01

ASTM C-33 Size 67 Specifications

Lab No. 23-368-02 ASTM C-33 Fine

Aggregate Specifications Description

Tampico Concrete Rock Description

Tampico Concrete Sand

1” 100 100 3/8” 100 100

3/4” 96 90-100 No. 4 99 95-100

1/2" 56 -- No. 8 85 80-100

3/8” 35 20-55 No. 16 69 50-85

No. 4 1 0-10 No. 30 52 25-60

No. 8 0 0-5 No. 50 18 5-30

-- -- -- No. 100 3 0-10 -- -- -- No. 200 0.6 0-3 / 0-5

Fineness Modulus 2.7 ASTM C - 33 Specifications - 2.3 - 3.1 SPECIFIC GRAVITY and ABSORPTION ASTM C-127, C-128

Bulk, SSD Coarse Aggregate

2.61 Fine Aggregate

2.60

Absorption, % 1.0 1.5

BULK DENSITY (UNIT WEIGHT) ASTM C-29

Unit Weight, Rodded, lbs./ft³ 103.1 --

LOS ANGELES ABRASION ASTM C-131

Grading B ASTM C-33 Specification Loss, % 23 50% Maximum

MAGNESIUM SULFATE SOUNDNESS ASTM C-88

Coarse, Loss, % * ASTM C-33 Specification Fines, Loss % * 12% Maximum

ORGANIC IMPURITIES ASTM C-40

Lighter than Standard Color No. 3 < 3 CLAY LUMPS and FRIABLE PARTICLES ASTM C-142

% 0.2 ASTM C-33 Specifications - 3% Maximum

LIGHTWEIGHT PARTICLES ASTM C-123

% 0.04 ASTM C-33 Specifications - 1% Maximum

*Test in progress

Reviewed By:_____________________________________________