Attachment 1 - Statement of Work.pdf

United States Department of Agriculture Agricultural Research Service

STATEMENT OF WORK

GRAVEL DRIVEWAY

SUSTAINABLE AGRICULTURAL WATER

SYSTEMS RESEARCH UNITRESEARCH UNIT

DAVIS, CA

STATEMENT OF WORK

1.0 CONTRACT PROJECT:

a. Project Title: Gravel Driveway

b. Project Location: Sustainable Agricultural Water Systems Research Unit 241 Hopkins Road, Davis CA

2.0 PROJECT CONTACT PERSONS:

a. ADMINISTRATIVE OFFICER (AO):

Joyce Robinson

USDA-ARS-PWA

430 G Street Davis, CA 95616 Email: joyce.robinson2@usda.gov Tel. No.: 530-792-5504

b. CONTRACTING OFFICERS REPRESENTATIVE (COR):

Thomas Goebel

USDA-ARS-PWA

800 Buchanan Street Albany, CA 94710 Email: thomas.goebel@usda.gov Tel. No.: 510-559-6331

c. AREA SAFETY AND HEALTH MANAGER Ken Cushman

USDA-ARS-PWA

800 Buchanan Street Albany, CA 94710 Email: ken.cushman@usda.gov Tel. No.: 510-529-5921

d. ENGINEERING PROJECT MANAGER (EPM) Thomas Goebel

USDA-ARS-PWA

800 Buchanan St. Albany, CA 94710 Email: thomas.goebel@usda.gov Tel. No.: 510-559-6331 mailto:joyce.robinson2@usda.gov mailto:thomas.goebel@usda.gov mailto:ken.cushman@usda.gov mailto:thomas.goebel@usda.gov

3.0 PROJECT DESCRIPTION:

Construct gravel driveway as shown on project drawing. Work consists of excavating and disposing of the top 10” of surface material (generally gravel). Scarifying and compacting subgrade (upper 8”) and installing 10” thick layer of Caltrans Class II aggregate base material. Install a single layer of Tensar BX 1200, or equal, at the midpoint of the aggregate base. Compact subgrade and aggregate base to 95% relative compaction. Coordinate and provide one compaction test of final subgrade and aggregate base material (two total).

4.0 PROJECT REQUIREMENTS:

a. Request a utility locate for all project areas. Maintain a record of utility locations during construction. All utilities and existing concrete v-ditch must be protected during construction.

b. Traffic Control:

1. Contractor shall provide and maintain all necessary guards, lights, barricades, etc., to protect persons, property, and materials in and around the site.

2. Perform work in a manner that ensures the safety of the public and protects the public and property adjacent to the project. Accommodate traffic on the roads adjacent to and within the project until the project is accepted.

3. Submit a traffic control plan with the construction schedule. Include details on proposed detours, signage or pavement markings. Comply with the Manual on Uniform Traffic Control Devices (MUTCD).

c. Do not disturb hazardous materials and report condition immediately to the Contracting Officer’s Representative (COR) regarding potentially hazardous conditions that are uncovered. Stop work in the area of the questionable material or condition until identification and direction is provided.

d. The Contractor’s work shall adhere to the criteria stated within these project requirements, drawings, and specifications. All construction shall comply with applicable federal, state, and local code requirements as well as current industry standards, (i.e., IBC, NEC, NSPC, NFPA, EPA, ASTM, GSA, AASHTO, etc.) and health and safety codes, in effect at the time of contract award.

e. Aggregate base to be Caltrans Class II.

f. Geotextile to be Tensar BX 1200, or equal.

g. The Contractor shall retain and pay for the services of an independent inspector or testing laboratory to perform one compaction test of final subgrade and aggregate base material (two tests total).

h. Working hours are between 8:00 am and 4:00 pm Monday through Friday excluding federal holidays. No additional access requirements are necessary.

i. There is no material storage available on-site. Vehicle parking and equipment storage is available on the USDA property (just to the north of the driveway).

4.1 Background & Site Description:

The Sustainable Agricultural Water Systems Research Unit is located adjacent to the project site at 241 Hopkins Road in Davis, California. The Phase II building is anticipated to be completed by November 2023. The proposed driveway is located on UC Davis property adjacent (to the south) of the new USDA facility and access to build the driveway is by easement with the University. All effort should be made to minimize disturbance to the UC Davis operations during construction.

The existing site area is gravel on the surface with one concrete v-ditch which transects the proposed driveway. The area is generally flat with surface drainage generally towards the concrete v-ditch. Proposed driveway final grades should match existing grades.

All ground disturbance in this contract is less than 1 acre. No stormwater pollution plan is required.

4.2 Bid Schedule:

Provide all labor, equipment, and materials to perform this Statement of Work and Schedule of Items.

Description Units Quantity Total

All work associated with this contract

LS 1

4.3 Description of Work:

a. See attached plans and specifications. Work includes the following elements:

i. Removal of existing gravel (10” depth)

ii. Scarify and compact upper 8” of subgrade material – provide one test of compacted subgrade

iii. Install and compact 5” of aggregate base material

iv. Install a single layer of Tensar BX 1200, or equal, at the midpoint of the aggregate base

v. Install and compact 5” of aggregate base material – provide one test of compacted aggregate base

4.4 Government Furnished Equipment\Services

a. Government will furnish a reasonable amount of electricity and water.

5.0 GENERAL REQUIREMENTS:

5.1 Permits: Where governing regulations and imposed codes and standards require notices, permits, licenses, inspections, tests, and similar items or actions in order to lawfully proceed with the required work, the Contractor shall obtain items and take those actions in accordance with the regulations of the governing authority. The costs of such permits, licenses, inspections, etc., are the obligation of the Contractor. There are permits required for this project.

5.2 Existing Installations / Demolition: Contractor shall protect in-place existing installations as needed to accommodate the new installation. Contractor shall legally dispose all any materials removed that will not be retained.

5.3 Installation: It shall be the responsibility of the Contractor to complete work in accordance with Federal, State, and Local Code Standards. Additional procedures and materials may be required than is indicated herein. If any item specified herein conflicts with the applicable codes and recommendations, the Contractor shall bring it to the attention of the Contracting Officer Representative for immediate resolution.

5.4 Submittals: Provide all submits as noted below and as required in this contract. The descriptive literature shall be annotated/ highlighted to show its conformance with contract requirements. Submittals are required for new materials and will be stamped and/or signed by the general contractor prior to submission to the Government. Contractor is responsible for any costs incurred for materials or equipment ordered without prior approval.

Description Reference Section

Traffic Control Plan Scope of Work 4.0.b

Site Specific Safety Plan Scope of Work 5.6

Crushed Aggregate test results Scope of Work 4.0.e

Geotextile Material Scope of Work 4.0.f

Geotechnical Test Results Scope of Work 4.0.g

5.5 Quality Control: The work performed under this contract shall be subject to continuous audit by the Location Monitor. Quality control is the exclusive responsibility of the Contractor. The Contractor shall retain and pay for the services of an independent inspector or testing laboratory to perform one compaction test of final subgrade and aggregate base material (two tests total).

5.6 Protection of Work and Property/Safety Requirements:

a. Contractor shall furnish a Site Specific Safety Plan (SSSP) or Accident Prevention Plan

(APP) ten days after contract award. SSSP / APP shall be approved by the Government before construction work commences.

b. The Contractor shall protect the work, the site, and all existing property and structures within the limits of the construction activities or that may be affected thereby until acceptance of the work. Any damage to property shall be repaired at the Contractor’s expense, to pre-damaged condition to the satisfaction of the Location Monitor.

c. Safety and health matters, as they relate to the work, are the exclusive responsibility of the Contractor. The Contractor shall furnish, erect, and maintain barricades, warning lights, signs, guards, or take other precautions as may be required by law or local authorities of the protection and security.

d. Contractor is responsible for verifying location of any underground utilities and is responsible for any damaged caused to such utilities.

5.7 Temporary Facilities:

a. Temporary utilities (water and electricity) may be furnished to the Contractor by the Government, if so requested. The Contractor shall maintain and protect all such utilities during the course of construction and shall repair or replace any items damaged through its own negligence.

b. Should the Contractor require any power or utility shutdowns during construction, the

Contractor shall obtain approval for such shutdown from the Location Monitor fourteen

(14) calendar days prior to the need.

5.8 Materials and Equipment:

a. The material and equipment to be furnished under these contract documents shall be the standard products of manufacturers regularly engaged in the production of such materials and equipment and shall be the manufacturer’s latest standard design.

b. All materials and equipment to be incorporated in the work shall be handled and stored by the manufacturer, fabricator, supplies and Contractor before during and after shipment in a manner to prevent any injury, theft or damage of any kind to the materials and equipment. All materials and equipment furnished by the Contractor shall be subject to inspection and approval by the CO/Location Monitor.

c. Government will not furnish any labor or equipment to unload or move materials or supplies.

5.9 Cleanup: The construction site shall be kept clean and free of debris at all times. Restore areas disturbed as nearly as possible to the original appearance and condition. Upon completion of the project, and prior to final inspection, the Contractor shall remove from the premises all unused material, trash, and debris resulting from the work to the satisfaction of the Location Monitor.

5.10 Warranty:

a. Submit data concerning the standard one year warranty for workmanship, including the warranty periods (dates), and warranty contacts with names, addresses and telephone numbers.

5.11 Final Payment/Contract Closeout: The following documents are REQUIRED PRIOR TO

FINAL PAYMENT (other documents may also be required):

a. General contractor’s minimum one (1) year warranty on work.

b. Release of liens

c. Final Invoice

6.0 Project Schedule:

Project must be complete 60 days of Notice to Proceed, including all work, cleanup and turnover.

7.0 Attachments

Attachment 1. Project drawings

TYP

A D S U

A1.2ARCHITECTURAL SITE PLAN

CONSTRUCTION SET FOR REDESIGN

04/22/2022

4LEAF REVIEW COMMENTS 5-23-2206/08/2022 LH

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PHASE II - GRAVEL DRIVEWAY

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HOPKINS ROAD

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(E) GRAVEL ROADGRAVEL ROAD

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(E) PARKINGPARKING

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(E) BUILDINGBUILDING

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(E) GRAVEL ROADGRAVEL ROAD

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SAFETY & HEALTH

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REAL PROPERTY

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SHEET CONTENTS

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SUSTAINABLE AGRICULTURAL WATER SYSTEMS RESEARCH UNIT - PHASE II DAVIS, CA

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UNITED STATES DEPARTMENT OF AGRICULTURE

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FUTURE WRU BUILDING

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PHASE II WRU BUILDING

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(E) PARKINGPARKING

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GENERAL NOTES

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EXCAVATE AND DISPOSE TOP 10" OF EXISTING SURFACE MATERIAL.

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AutoCAD SHX Text SCARIFY UPPER 8" OF SUBGRADE AND INSTALL 10" THICK LAYER OF CALTRANS CLASS II AGGREGATE BASE MATERIAL. INSTALL A SINGLE LAYER OF TENSAR BX 1200, OR EQUAL, AT THE MIDPOINT OF THE AGGREGATE BASE. COMPACT SUBGRADE AND AGGREGATE BASE TO 95% RELATIVE COMPACTION.

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PROPOSED GRAVEL DRIVEWAY 20'X290'

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EXISTING CONCRETE V-DITCH (PROTECT IN-PLACE)

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MATCH EX. ASPHALT

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OFFSET 5' FROM EXISTING FENCE

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AutoCAD SHX Text UTILITY INFORMATION SHOWN WAS DEVELOPED IN ACCORDANCE WITH CI/ASCE 38-02 QUALITY LEVEL C USING OBSERVED SURFACE INDICATIONS, UCD GIS DATA, AND RECORD DRAWINGS. VERIFY THE LOCATIONS OF ANY UTILITY FACILITIES PRIOR TO COMMENCING CONSTRUCTION ACTIVITIES.