1-Statement of Work.docx

STATEMENT OF WORK

PL 86-121 CONSTRUCTION PROJECT

INDIAN HEALTH SERVICE

PORTLAND AREA

Statement of Work, Project PO-19-C44F Page 2 of 2

Clallam County

Project No: PO-19-C44F

A. Project Description

This project is for the installation of an individual advanced treatment septic system on fee land in Clallam County, WA. The proposed OSCAR XO2-360 septic system is to consist of a solid sewer pipe, sewer cleanout, 1,000-gallon dual chamber treatment tank with an aerator, a 1,000-gallon dual chamber pump tank with a reverse flush headworks rated for 360 gallons/day, 220 ft of supply and return lines, and 900 square feet of sand mound drain field with OSCAR OS-50 dispersal coils. The OSCAR-XO2 system manufacturer will be responsible for configuring the pump control panel and drain field dosing settings at start-up. A Clallam County installation permit and official training in proper installation and start-up of OSCAR (Onsite Sand Coil Area Recharge) units is required as part of this contract.

B. Ownership

This project will provide sanitation facilities to a private home owned by a member of the Makah Tribe. Upon completion, the facilities will be transferred to the homeowner. The system will be operated by the homeowner.

Septic Designer Information:

C. TERO & Other Fees

TERO fees do not apply.

D. Scope of Work

Work is to be completed on a private home, under the jurisdiction of Clallam County. The contractor must review site conditions, and report any concerns or discrepancies to the Contracting Officer’s Representative (COR) in writing prior to beginning construction. The proposed septic system is indicated in the drawings.

Further investigation of the site is the responsibility of the Contractor. Any permits are the responsibility of the Contractor.

D.1 Work Requirements:

1. Mobilization and Demobilization.

2. Installation of 10 feet of 4-inch PVC ASTM solid sewer pipe.

3. Installation of one underground sewer cleanout.

4. Installation of one 1,000-gallon dual compartment treatment tank with an aerator and a vented lid.

5. Installation of one 1,000-gallon dual compartment pump tank, pump, two float switches, reverse flush headworks and electrical controls.

6. Installation of approximately 220 feet of 1-inch Schedule 40 supply and return lines.

7. Installation of approximately 900 square feet of drain field (OSCAR OS-50 dispersal system, inspection ports and an ASTM C-33 sand mound drain field).

E. Technical Requirements OSCAR Sand Mound Dispersal System and Inspection Ports

E.1 Codes, References, and Standards Work under this contract must be performed in compliance with the codes, references, and standards listed below. If conflicts exist between these references, consult the COR for direction.

1. WAC Chapter 246-272A, On-site Sewage Systems.

2. WAC Chapter 246-272C, On-site Sewage System Tanks.

3. WAC Chapter 51-56, State Building Code Adoption and Amendment of the 2018 Edition of the Uniform Plumbing Code.

4. Approved Septic Design.

5. Indian Health Service Technical Provisions.

E.2 Submittals The Contractor shall provide electronic copies of submittals to the COR on the items listed below. Submittal approval is required for variations from equipment and materials specified.

1. Pre-Construction:

a. Manufacturer’s product information for system components, including: aerobic treatment tank components, pump tank, headworks, effluent pump and controls, float switches, OSCAR drain field components, and supply and return lines.

b. Equipment or material variations from those specified in the design.

2. Post-construction:

a. Product Warranties – Include the following information on the warranty:

i. Name and address of the dealer.

ii. Model and serial number.

iii. Date of installation.

b. Operation and maintenance information.

c. Manufacturer’s product information.

d. Swing-tie measurements for the tank riser cover centers and drain field distal ends in accordance with Washington Administrative Code (WAC 246-272A-0265 – Record Drawings).

E.3 Material Specifications

1. Install materials as specified on the design and in the OSCAR-XO2 Treatment System Design Manual. Materials specified may be substituted with equals upon approval from the COR.

E.4 Work Execution Requirements

1. The Contractor shall contact the COR at least 48 hours prior to mobilization.

2. The Contractor must attend a pre-construction meeting before beginning work under this contract, unless otherwise explicitly authorized by the Owner.

3. The Contractor is responsible for determining the exact location of any and all existing utilities.

4. The Contractor is responsible for protecting utilities from damage during construction.

5. The Contractor must comply with all instructions and notes on the County approved design including the status of soil moisture during installation, contacting the designer during wet weather season for approvals, and for notification of required inspections.

6. All debris generated during construction shall be removed from site.

7. All areas disturbed by construction activities shall be finish-graded.

8. The contractor must not damage or disturb soils when clearing drain field.

9. The contractor must obtain approval from the Contracting Officer prior to installing material quantities in excess of those specified on the bid schedule.

10. The contractor must notify and advise the COR on all work to be done or in progress sufficiently in advance so that proper inspection can be performed.

11. The contractor must contact the COR 24 hours prior to final backfill for a final inspection.

12. The contractor must contact the OSS Designer before final inspection and backfill as specified on the Design.

F. Project Engineer and Recommended COR:

Project Engineer:

Madeline Keep Environmental Engineer Division of Sanitation Facilities Construction Indian Health Service, Port Angeles Field Office 1601 E. Front St., Bldg B Suite C Port Angeles, WA 98362 Madeline.Keep@ihs.gov 360-536-3364

COR:

Michelle Bernard Senior Environmental Engineer Division of Sanitation Facilities Construction Indian Health Service, Olympic District Office 500 Pacific Ave, Suite 400 Bremerton, WA 98337 Michelle.Bernard@ihs.gov 360-792-6485

G. Project Completion Time:

45 calendar days from the Notice to Proceed (NTP)