Sol_140P2020R0003_Amd_0004.pdf

(x)

140P2020R0003 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 telegram 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 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.

x

PDS

Denver CO 80225-0287 P.O. Box 25287 12795 W. Alameda Pkwy NPS, DSC Contracting Services Div

LAKE 21046203/04/20200004

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

02/03/2020

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 date, 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.)

The purpose of this Amendment is provide answers to questions received to date. The closing date for proposal remains at 19 March 2020, 2:30 PM MT.

Legacy Doc #: NPS

Period of Performance: 03/31/2020 to 08/28/2020

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)

Todd Stackhouse

STANDARD FORM 30 (REV. 10-83)

Prescribed by GSA

FAR (48 CFR) 53.243

NSN 7540-01-152-8070

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 .

LAKE 210462 – Katherine Landing Water System Solicitation: 140P2020R0003 – AMENDMENT FOUR

1. Answers to questions received to date:

Question 8: Is there a soils report available?

Answer 8: There is no report available.

Question 9: Regarding the conduit run shown on Drawing E7, the potential for hard rock excavation to install the conduit in the access road was noted at the site visit. Is hard rock excavation to be included the contractors price? Or would rock excavation encountered be considered an additional cost?

Answer 9: See attached file for revised specification clarifying the earth work on this project.

Question 10: Will area east of the existing water treatment plant building outside of the existing fence be allowed for additional staging if necessary?

Answer 10: Yes, within limits. Namely: The access road to the north, public hiking trail to the east/SE, the toe of the hill to the west, and to the south the staging area limit will be determined by the Contracting Officer.

END OF AMENDMENT FOUR

Section 31 20 00 Earth Moving

Existing

1.5 SUBMITTALS

A. Certification, test results, source, and samples for all imported earth materials. Submit bag samples (40 lbs minimum) of each type of fill material to be used for backfilling to the Contracting Officer at least 10 working days in advance of its required use. Representative samples of excavated fill material which will be used for backfill shall also be submitted for testing.

Revised

1.5 SUBMITTALS

A. Certification, test results, source, and samples for all imported and on-site excavated earth materials to be used for backfilling to the Contracting Officer at 15 working days in advance of its required use. Submit bag samples (40 lbs minimum) of each type of fill material to be used for backfilling to the Contracting Officer at least 10 working days in advance of its required use.

Representative samples of excavated fill material which will be used for backfill shall also be submitted for testing.

1.7 IMPORTED MATERIAL ACCEPTANCE

A. All imported earth materials specified in this section are subject to the following requirements:

1. The Contractor shall make all gradation tests to locate acceptable sources of imported material.

The Contractor shall perform two initial gradation tests for all material to be imported from off-site locations. For each additional 1,000 cubic yards of material, the contractor shall perform one additional gradation test. Certification that the material conforms to the Specification requirements along with copies of the test results from a qualified commercial testing laboratory shall be submitted to the Contracting Officer for approval at least 21 calendar days before the material is required for use. All material samples shall be a minimum of 40 pounds and furnished by the Contractor at the Contractor's sole expense. Samples shall be representative and be clearly marked to show the source of the material and the intended use on the project. Sampling of the material source shall be done by the Contractor in accordance with ASTM D-75. Tentative acceptance of the material shall be based on an inspection of the source by the Contracting Officer and/or the certified test results submitted by the Contractor to the Contracting Officer at the Contracting Officer’s discretion. No imported materials shall be delivered to the site until the proposed source and the Contracting Officer tentatively accepted materials tests in writing. Final acceptance will be based on Quality Control and Quality Assurance tests made on samples of material taken from the completed and compacted course.

2. Gradation tests for the proposed materials shall be made on samples taken at the place of production prior to shipment. Samples of the finished product for gradation testing shall be taken as directed by the Contracting Officer if variation in gradation is occurring, or if the material appears to depart from the Specifications. Test results shall be forwarded to the Contracting Officer within 48 hours of testing.

3. If tests conducted by the Contractor or the Contracting Officer indicate that the material does not meet Specification requirements, material placement will be terminated until corrective measures are taken. Material that does not conform to the Specification requirements and is placed in the work shall be removed and replaced at the Contractor's sole expense. Retesting of material that does not meet specification requirements shall be performed at the Contractor's sole expense.

4. The Contractor shall sample all imported soil at a minimum frequency of one (1) per thousand (1,000) cubic yards to verify materials free of contamination. The soil shall be tested for the following: volatile organic compounds (VOCs) (EPA method 8260), Poly-Nuclear Aromatic Hydrocarbons (PAHs) (EPA method 8270), total Petroleum Hydrocarbons (TPH), and RCRA 8 Metals.

1.7 IMPORTED MATERIAL ACCEPTANCE

A. All imported earth materials specified in this section are subject to the following requirements:

1. The Contractor shall make all gradation tests to locate acceptable sources of imported material.

The Contractor shall perform two initial gradation tests for all material to be imported from off-site locations. For each additional 1,000 cubic yards of material, the contractor shall perform one additional gradation test. Certification that the material conforms to the Specification requirements along with copies of the test results from a qualified commercial testing laboratory shall be submitted to the Contracting Officer for approval at least 21 calendar days before the material is required for use. All material samples shall be a minimum of 40 pounds and furnished by the Contractor at the Contractor's sole expense. Samples shall be representative and be clearly marked to show the source of the material and the intended use on the project. Sampling of the material source shall be done by the Contractor in accordance with ASTM D-75. Tentative acceptance of the material shall be based on an inspection of the source by the Contracting Officer and/or the certified test results submitted by the Contractor to the Contracting Officer at the Contracting Officer’s discretion. No imported materials shall be delivered to the site until the proposed source and the Contracting Officer tentatively accepted materials tests in writing. Final acceptance will be based on Quality Control and Quality Assurance tests made on samples of material taken from the completed and compacted course.

2. Gradation tests for the proposed materials shall be made on samples taken at the place of production prior to shipment. Samples of the finished product for gradation testing shall be taken as directed by the Contracting Officer if variation in gradation is occurring, or if the material appears to depart from the Specifications. Test results shall be forwarded to the Contracting Officer within 48 hours of testing.

3. If tests conducted by the Contractor or the Contracting Officer indicate that the material does not meet Specification requirements, material placement will be terminated until corrective measures are taken. Material that does not conform to the Specification requirements and is placed in the work shall be removed and replaced at the Contractor's sole expense. Retesting of material that does not meet specification requirements shall be performed at the Contractor's sole expense.

4. The Contractor shall sample all imported soil at a minimum frequency of one (1) per thousand (1,000) cubic yards to verify materials free of contamination. The soil shall be tested for the following: volatile organic compounds (VOCs) (EPA method 8260), Poly-Nuclear Aromatic Hydrocarbons (PAHs) (EPA method 8270), total Petroleum Hydrocarbons (TPH), and RCRA 8 Metals.

5. All imported materials shall be from sources that are certified to be free from as weeds and invasive species. This certification shall be provided 14 calendar days prior to the importation of any material for review and written approval by the Contracting Officer.

1.11 QUALITY CONTROL

A. Provide in accordance with the requirements as specified in Section 01 40 00, QUALITY

REQUIREMENTS.

B. All material limits shall be constructed within a vertical tolerance of 0.1 foot and a horizontal tolerance of 1 foot except where dimensions or grades are shown or specified as minimum. All grading shall be performed to maintain slopes and drainage as shown. No reverse slopes will be permitted.

1.11 QUALITY CONTROL

A. Provide in accordance with the requirements as specified in Section 01 40 00, QUALITY

REQUIREMENTS.

B. All material limits shall be constructed within a vertical tolerance of 0.1 foot and a horizontal tolerance of 1 foot except where dimensions or grades are shown or specified as minimum. All grading shall be performed to maintain slopes and drainage as shown. No reverse slopes will be permitted.

C. Testing Agency:

1. All testing and inspections required herein will be performed by an independent testing and inspection agency employed by the Contractor.

2. Notify the testing and inspection agency not less than 48 hours in advance of all work requiring testing or inspection services.

PART 3 – EXECUTION

3.1 GENERAL

B. Earth excavation is unclassified and shall include the excavation, removal and satisfactory disposal of all materials of whatever nature encountered from within the limits indicated or specified (other than rock ledge) or as directed in writing. It shall include, but not be limited to, earth materials such as peat, organic or inorganic silts, clay, sand and gravel, cobbles and boulders less than 2 cubic yards in volume, soft or disintegrated rock which, in the opinion of the Contracting Officer, can be removed without blasting or drilling, pavement, and all obstructions not specifically included in another section.

3.1 GENERAL

B. Earth excavation is unclassified and shall include the excavation, removal and satisfactory disposal of all materials of whatever nature encountered from within the limits indicated or specified (other than rock ledge) or as directed in writing. It shall include, but not be limited to, earth materials such as peat, organic or inorganic silts, clay, sand and gravel, cobbles and boulders less than 2 cubic yards in volume, soft or disintegrated rock which, in the opinion of the Contracting Officer, can be removed without blasting or drilling, pavement, and all obstructions not specifically included in another section.

The rest of section 3.1 remains unchanged.