Attachment 1 - Statement of Work.pdf

United States Department of Agriculture Agricultural Research Service

STATEMENT OF WORK

Courtyard upgrade for Sod Removal, area Grading and installation of Interlocking Pavers or Concrete.

Western Health Nutrition Research Center

(WHNRC)

Davis, CA

Date: April 8, 2024

STATEMENT OF WORK

1.0 CONTRACT PROJECT:

a. Project Title: Courtyard Sod Removal, area Grading and installation of Interlocking

Pavers or Concrete.

b. Project Location: Western Human Nutrition Research Center 430 West Health Science Dr., Davis, CA 95616

2.0 PROJECT CONTACT PERSONS:

a. CONTRACTING OFFICER (CO):

Mr. Lam Pham 800 Buchanan Street Albany, CA 94710 Email: lam.pham@usda.gov

b. ADMINISTRATIVE OFFICER (AO):

Joyce Robinson 430 G. Street #4160., Davis, CA 95616 Email: Joyce.Robinson@usda.gov Tel. No.: 530-792-5504

c. CONTRACTING OFFICERS REPRESENTATIVE (COR):

Todd Leverett 430 West Health Science Dr., Davis, CA 95616 Email: todd.leverett@usda.gov Tel. No.: 530-574-4129

d. AREA SAFETY AND HEALTH MANAGER Ken Cushman 800 Buchanan Street Albany, CA 94710 Email: ken.cushman@usda.gov Tel. No.: 510-529-5921

3.0 SCOPE OF SERVICES:

The Contractor shall provide all professional services necessary for the accomplishment of the contract project and such required services shall be in accordance with requirements as described herein.

a. The Contractor shall provide services for the following tasks marked by an “X”:

[X] Provide a cost proposal to complete the project as per project requirements.

[X] Provide and install all material to complete the project as per project requirements.

4.0 SCOPE OF WORK:

The Contractor will complete the following tasks:

Removal of sod and soil for installation of interlocking pavers or poured concrete slab. This is a two-part quote for cost comparison and available options. Provide one quote to include 2 3/8” thick pavers (minimum) and one quote for a 4” concrete patio. Contractors can choose to only provide one, if preferred.

mailto:lam.pham@usda.gov mailto:Joyce.Robinson@usda.gov mailto:todd.leverett@usda.gov mailto:ken.cushman@usda.gov

Excavation and surface preparation: The surface area of the paved surface is approximately 2500 square feet. The sod and soil must be removed from the site. The area must be excavated to a depth of to accommodate the thickness of the subgrade and final surface materials approximately 7” (pavers) to 8” (concrete) and removed from the site. The subgrade must be compacted to a minimum of 90% relative compaction.

Subgrade: The subgrade must be minimum 4” aggregate base (Caltrans Type 2) compacted to a minimum of 95% relative compaction.

Grading and drainage: Replace the existing main drain located in the center of the courtyard with an ADA compliant drainage cover. All final surfaces must drain towards the drain at a minimum of 1.25%. All grades must be confirmed by contractor to confirm final surface drainage.

Final Surface Options:

Concrete: Concrete must be minor concrete conforming to the requirements of Section 90-2 “Minor Concrete” of the (California Department of Transportation) Standard Specifications.

No bagged mix is permitted.

Pavers: The pavers must be Basalite Universal /60 or equal. Pavers to have an average minimum compressive strength of 8,000 psi (55 Mpa) with no paver testing lower than 7,200 psi (Mpa) in accordance with testing procedures ASTM C-936, Standard Specification for Interlocking Concrete Paving Units. Pavers must be installed per manufacturer’s recommended specifications.

Installation of interlocking paving stones shall be by a prequalified specialty contractor who has been certified by Basalite and/or the ICPI. The specialty contractor shall possess a minimum of (5) five years’ experience in the interlocking paving stone industry and must have satisfactorily completed projects of similar size, scope and cost.

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.

5.2 Existing Installations / Demolition: Contractor shall modify existing installations as needed to accommodate the new installation. Contractor shall coordinate modification of existing installations with Government. All disturbances of existing systems shall be thoroughly coordinated with the Government to prevent disturbances that might jeopardize on-going operations and research. Government reserves the right to retain any equipment / materials removed as part of the scope of work. Contractor shall coordinate any equipment / materials to be retained with Government prior to starting demolition operations.

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 manufacturer’s descriptive literature/shop drawings for all materials to the Location Monitor for review. 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 equipment ordered without prior approval.

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.

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 utility and is responsible for any damaged caused to such utilities.

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.

b. Extended Equipment/Product Warranties: Obtain and furnish to the Contracting Officer all written warranties for equipment/products that have extended warranties (warranty periods exceeding the standard one-year warranty) furnished under the contract. The warranty period shall begin on the same date as project acceptance and shall continue for the full/product warranty period. The warranties shall be fully executed and delivered to the Contracting Officer prior to final acceptance of the facility.