Performance Work Statement.pdf

US Department of Agriculture (USDA)

Performance Work Statement

Contents Project Title General Information

1.0 Background and Purpose

2.0 Definitions

Contractor Requirements

3.0 Technical Requirements / Tasks

4.0 Deliverable / Schedule

5.0 Government Furnished

6.0 Travel

7.0 Performance Requirement Measures

Attachment

Project Title 42 Road Quality Assurance (QA) Independent sampling and testing.

General Information

1.0 Background and Purpose

The purpose of this solicitation it to provide the Forest Service with independent Quality Assurance (QA) Sampling and testing services of stabilized base and Asphalt Concrete (AC) surfacing during a separate construction contract that the forest is procuring. The Ochoco National Forest Is contracting an asphalt reclamation project on an approx. 10 mile stretch of Forest Road 42. The construction contract consists of pulverizing and mixing existing asphalt, base and added cement to construct a new stabilized base and then constructing a new AC surface on the completed base. The QA contractor will provide testing services to the Forest Service as an independent random check of the construction contractor’s quality control. The sampling and testing shall conform to AASHTO and ASTM Standard specifications and methods for Asphalt and Stabilized Base materials. The construction contract is planned to take place over the next 3 years, depending on funding, and this is reflected in the option items of this contract. The base bid is for 2021, Option 1 is for 2022 and option 2 is for 2023, though all options could be awarded and performed sooner if funding allows.

2.0 Definitions

AASHTO‐ American Association of State Highway Transportation Officials AC‐ Asphalt Concrete surface course ASTM‐American Society for Testing and Materials FDR‐ Full Depth Reclamation JMF‐ Job Mix Formula QA‐Quality Assurance QC‐Quality Control

Contractor Requirements

3.0 Technical Requirements / Tasks

Contractor shall provide all equipment, transportation, personnel, and supplies necessary to obtain material samples and accomplish specified tests/ reports in this contract. Contractor shall preform specified tests in coordination with the Forest service and construction contractor Specific test locations and timing of tests/ material sampling shall be determined at the direction of the Government, and shall be independent of the Construction contractors quality control testing. Specified tests shall conform to industry standard practices including but not limited to the following specifications:

Asphalt Tests Core density AASHTO T166 Asphalt Content AASHTO T308 Gradation AASHTO T30 Max Specific Gravity (Rice) AASHTO T209 In place Density (Nuclear) ASTM D2950

Stabilized Base (FDR with Cement) Tests Gradation AASHTO T27 Moisture Density of Soil‐cement mixtures AASHTO T134 Moisture Content AASHTO T255 In place density (Nuclear) AASHTO T310

4.0 Deliverable / Schedule

Report test results on forms containing sample information. Attach worksheets used to determine test values to the test results forms. Provide the Government the test results within 48 hours of completing the tests.

Label samples with the following.

a) Project number and name

b) Source material

c) Sample number.

d) Date sampled

e) Time sampled

f) Location sample taken

g) Name of person sampling

h) Type of test required on sample

5.0 Government Furnished

Government will provide the approved job mix formula (JMF) or mix design and the approved construction schedule from the construction contractor.

6.0 Travel

Travel to and from the project site is incidental to test pay items. It is the Contractor’s responsibility to determine the distance and number of trips required to accomplish specified work. Additional compensation will not be made for travel.

7.0 Performance Requirement Measures

Performance will be measured as shown in the bid schedule upon submission of completed test results reports.

Attachment Project location map

Sampling Requirements

JMF/mix design will be provided once submitted by construction contractor and approved by the Government.

Construction contractors Schedule will be provided once it is summited and approved by the Government.