J02 Technical Specifications Rev 1 (as of A00003).pdf

PO-17-M32 SKOKOMISH PUMP HOUSE IMPROVEMENTS

SKOKOMISH PUMP HOUSE IMPROVEMENTS

PROJECT PO-17-M32

SKOKOMISH INDIAN RESERVATION

MASON COUNTY, WASHINGTON

TECHNICAL SPECIFICATIONS

CONTRACT PACKAGE PREPARED BY:

U.S. DEPARTMENT OF HEALTH AND HUMAN SERVICES

PUBLIC HEALTH SERVICE

INDIAN HEALTH SERVICE

OFFICE OF ENVIRONMENTAL HEALTH

AND ENGINEERING

PORTLAND AREA OFFICE

OLYMPIC DISTRICT OFFICE

NOVEMBER 2020

JEFFREY ESTEBAN, E.I.T.

ENVIRONMENTAL ENGINEER

(858) 750-8951

CDR ROGER HARGROVE, P.E.

DISTRICT ENGINEER

(360) 792-1234 x 113

SECTION 00010 - TABLE OF CONTENTS PAGE 1 OF 2

SECTION 00010

TABLE OF CONTENTS

VOLUME I – Specifications Division 1 – Division 16 VOLUME II – Contract Drawings

VOLUME I

Division 1 – General Requirements 00001 Title Page 00010 Table of Contents 01100 Summary of Work 01270 Price and Payment 01310 Project Management and Coordination 01330 Submittal Procedures and Requirements 01335 Submittal Forms 01420 References 01430 Quality Control/Quality Assurance 01500 Temporary Facilities and Controls 01770 Closeout Procedures 01780 Closeout Submittals

ENGINEERING TECHNICAL SPECIFICATIONS

Division 2 – Site Construction 02315 Excavation, Trenching and Backfill

Division 3 – Concrete 03300 Cast-in-Place Concrete Non-Structural

Division 15 – Piping 15200 Process Piping and Valves

SECTION 00010 - TABLE OF CONTENTS PAGE 2 OF 2

VOLUME II - Contract Drawings

“SKOKOMISH INDIAN TRIBE, SKOKOMISH PUMP HOUSE IMPROVEMENTS,

MASON COUNTY, PUBLIC LAW 86-121, IHS PROJECT PO-17-M32”

G-1 COVER SHEET

G-2 ABBREVIATIONS

G-3 PLAN VIEW AND SCOPE OF WORK

C-1 EXISTING LAYOUT

C-2 PROPOSED LAYOUT

C-3 PUMPHOUSE PHOTOS

END

SECTION - 01100 SUMMARY OF WORK PAGE 1 OF 3

SECTION 01100

SUMMARY OF WORK

PART 1 - GENERAL

1.01 SUMMARY

A. This section summarizes the work to be performed under this contract by the contractor for the construction improvements to the Skokomish Pump House for the tribal community water on the Skokomish Reservation, Mason County, Washington.

1.02 WORK REQUIRED

A. Furnish all labor, materials, equipment and supervision necessary to construct the following facilities as described by these specifications and drawings. All work, materials and services not expressly listed as being provided by others or that are called for in the contract or necessary to provide a complete and operational system will be furnished, installed and performed by the contractor.

B. Description of Work: This project proposes to make specific improvements to the Skokomish Pump House. A temporary operations/bypass plan shall be submitted and implemented to provide continuous drinking water service to the system users. The temporary operations/bypass shall include provision for chlorination and preventing backflow into the wells.

Work shall include:

1. Removal of existing pump house head works above-ground and below-ground piping, fittings and components, and replacement with new piping, fittings, and components as detailed on the contract drawings.

2. Installation of temporary operations/bypass.

3. Installation of new flow meter, chemical feed tank and pump, eye wash station, and provision of personal protective equipment.

4. Installation of lockable doors and patching of wall openings on

Pump House 1 and Well Controls Shed.

5. Operational and leakage testing, and operator training

6. Water testing

C. Work to be performed on the Skokomish Indian Reservation, Mason

County, Washington.

SECTION - 01100 SUMMARY OF WORK PAGE 2 OF 3

1.03 SITE CONDITIONS

A. Utilities

1. Known buried utilities are shown on the drawings as an indication as to what the contractor may encounter, NOT FOR LOCATION PURPOSES. Locations, material and sizes of any shown are approximate and not meant as a complete representation. Contractor must obtain exact locations. Known utilities are:

a. Water, Skokomish Tribe, Larry Winders, Executive

Director, Office phone: 360-877-6748

2. Protect existing utilities during construction.

3. Immediately notify project engineer and the utility owner of any damaged utilities.

4. Any and all damage that results from work under this contract shall be promptly repaired at the expense of the Contractor (exception is utilities owned and located incorrectly by the Tribe. Contractor will repair damage and be reimbursed for costs).

B. Roads

1. Skokomish Tribe, Larry Winders, Executive Director, Office phone: 360-877-6748.

C. Tribal Employment Rights Ordinance (TERO)

1. Skokomish does not have TERO requirements.

D. Site Ownership

1. The construction site is located inside the Skokomish Indian Reservation and on land controlled by the Skokomish Tribe.

1.04 SEQUENCE OF WORK

A. The Contractor shall construct work in phases or stages to accommodate continuous and uninterrupted operation of the existing facility. The Contractor shall coordinate the construction schedule and operations with the Project Engineer and system Owner/Operator such that a full or near full water storage tank

SECTION - 01100 SUMMARY OF WORK PAGE 3 OF 3

condition exists when pump house is inoperable (unable to allow water to reach the water storage tank). Pump house shall be inoperable no longer than 4 hours on any given day and only during times of low system demand.

The contractor shall submit a schedule for construction in accordance with Section 01310.

END OF SECTION

SECTION - 01270 PRICE AND PAYMENT PAGE 1 OF 4

SECTION 01270

PRICE AND PAYMENT

A. Work covered by this section includes method of measurement and basis of payment for all divisions included.

B. All measurements and payments will be based on completed and accepted work performed in strict accordance with the drawings and specifications.

C. Respective prices and payment shall constitute full compensation for all work completed including incidentals.

D. Record drawings must be current and be inspected by the project engineer before progress payments will be approved.

E. An updated project construction schedule is required before progress payments will be approved.

PART 2 – BID SCHEDULE ITEMS

2.01 GENERAL

A. Companies must bid on all items on the Bid Schedule.

B. Payment shall be full compensation to complete the work items in good faith, including incidental work.

C. Payment shall be full compensation for the following:

1. labor

2. materials

3. equipment

4. tools

5. testing equipment

6. water analysis

7. General Requirements in Division 01.

a. submittals

b. record drawings

c. temporary facilities and treatments

d. operation and maintenance manuals

SECTION - 01270 PRICE AND PAYMENT PAGE 2 OF 4

1.02 BID ITEMS

A. Mobilization and Demobilization

a. Measurement: Lump Sum

b. Basis of Payment: Payment shall cover the cost of equipment and labor to move equipment to and from the job site.

B. Headworks Piping, Valves and Appurtenances

a. Measurement: Lump Sum.

b. Basis of Payment: Payment shall be full compensation of the following items: (1) removal of existing above-ground and below-ground headworks piping, fittings, components and appurtenances, and replacement with new piping fittings, components and appurtenances as detailed on the contract drawings; (2) removal and replacement of wall penetrations/sealing, concrete floor cutting and restoration, thrustblock installation, excavation, trenching, backfilling,and identification, location, and protection of existing utilities; (3) calibration and demonstration of proper valve performance in accordance with these provisions, applicable drawings, and provision of record drawings (as-builts); (4) Leakage testing and operator training; and (5) disposal of all removed on Pumphouse 1 and Control Panel Shed.

a. Work related to this payment is addressed in Sections:

(1) 15200 – Process Piping and Valves

C. Temporary Operations/Bypass

b. Basis for Payment: Payment shall be full compensation for all equipment, labor and tools necessary for temporary operations/bypass to permit continuous drinking water supply to customers on the system during construction periods

c. Work related to this payment is addressed in Sections:

(1) 01500 – Temporary Facilities and Controls

(2) 15200 – Process Piping and Valves

SECTION - 01270 PRICE AND PAYMENT PAGE 3 OF 4

D. 4” Magnetic Flowmeter

a. Measurement: Each

b. Basis for Payment: Payment shall be full compensation for removal of existing 4” flowmeter; and replacement with 4” magnetic flowmeter. Payment shall include the installation of wires from flowmeter to the pump, and the provision for a download cable for the flowmeter.

E. Chemical Feed Tank replacement of existing chemical feed tank with a new chemical feed tank.

F. Chemical Feed Pump replacement of existing chemical feed pump with a new chemical feed pump. Shall include the installation of chemical feed lines from pump to the headworks, and pump accessories necessary for a proper pump operation.

G. Doors and Shed Paneling replacement of existing wooden door with a new steel lockable door on Pumphouse 1; installation of exterior grade lockable

SECTION - 01270 PRICE AND PAYMENT PAGE 4 OF 4

door and sealing shed panel openings on Well Controls Structure. Price shall include door frames, fittings and hardware.

H. Eye Wash Station with Personal Protective Equipment installation of a new eye wash station, PVC pipe, and fittings.

Shall include the compensation for furnishing the following personal protective equipment: chemical resistant rubber gloves, apron and chemical splash goggles.

I. Water Testing testing for coliform (total coliform, fecal coliform and E. coli), pH, copper, lead, iron, manganese, and total and free chlorine.

SECTION 01310 – PROJECT MANAGEMENT AND COORDINATION PAGE 1 OF 2

SECTION 01310

PROJECT MANAGEMENT AND COORDINATION

A. Section includes the preconstruction conference, construction scheduling and coordination requirements.

B. Costs associated with project management and coordination are incidental to the contract work and are included in the contract unit and lump sum costs.

1.02 PRE-CONSTRUCTION CONFERENCE AND PROGRESS MEETINGS

A. Prior to beginning construction, but following contract award, the

Contractor, Subcontractors and other interested parties must participate in a Preconstruction Conference.

B. Periodically throughout the contract performance period, the Contractor and Subcontractors shall avail themselves to project progress meetings.

These meetings shall be held as often as the parties determine is necessary, but will be at least once a month.

C. Representatives from the following shall attend each meeting:

1. Prime Contractor

2. Subcontractors

3. Contracting Officer

4. Project Engineer and Inspector

5. Tribal Project Manager

D. Contractor is responsible for notifying Subcontractors of meeting time and date.

E. Meeting Minutes:

1. Meeting Minutes will be recorded, typed up in a memorandum and distributed to all attendees by the Project Engineer.

2. Any attendee may question or challenge the content of the meeting minutes, in writing to the Project Engineer, prior to the next project meeting. If the meeting minutes are unchallenged, they will be accepted as an accurate representation of the meeting discussions and decisions.

SECTION 01310 – PROJECT MANAGEMENT AND COORDINATION PAGE 2 OF 2

3. Challenges will be resolved as “old business” at the subsequent project progress meeting.

1.03 CONSTRUCTION SCHEDULE

A. Present three original signed copies to the contracting officer a written preliminary construction schedule showing the following as a minimum (all times referenced to calendar dates):

1. activity

2. activity description

3. duration

B. Provide enough detail to allow the Engineer to evaluate work progress both on-site and off-site.

C. Review of the schedule by the Engineer shall not constitute endorsement of the Contractor’s approach, means, methods sequences or procedures nor shall it constitute assignment of the Contractor’s responsibility to provide superintendence and project management.

D. Provide the Engineer with a revised schedule whenever major changes occur to the schedule.

1.04 WEEKLY ACTIVITY SCHEDULE

A. Provide the Engineer with a written weekly activity schedule (facsimile or email is acceptable) indicating planned activities, locations, and approximate schedules.

B. Note the planned visits by manufacturer’s representatives, testing firms, or other site visitors that may be of significance to the Engineer.

C. Provide the weekly activity schedule to the engineer by noon on the last day of the workweek for activities during the following week.

SECTION 01330 – SUBMITTAL PROCEDURE PAGE 1 OF 3

SECTION 01330

SUBMITTAL PROCEDURES AND REQUIREMENTS

A. This section includes information on submittal procedures and general submittal requirements. Materials requiring submittal are listed in the appropriate specification section.

1.02 SUBMITTAL PROCEDURES

A. Submit two (2) original copies of submittals to the project engineer.

B. Identify each cut sheet or shop drawing with the following information:

1. Contract number.

2. Supplier.

3. Specification section, plan sheet or detail drawing number to which the submittal pertains.

C. Submit the following information, as applicable, in accordance with the submittal requirements of each section.

1. Manufacturer’s cut sheets indicating compliance with references and standards (e.g. applicable ASTM, AWWA standards).

2. Laboratory results, as applicable.

3. Dimensional drawings or shop drawings, as applicable.

4. Other specific information required by the particular section of the specification.

D. Variations from Contract Documents or Products Specified:

1. Bring all submitted variations to the attention of the Project

Engineer.

2. Variations not brought to the Project Engineer’s attention, in writing, and that conflict with the Contract Documents, do not relieve the contractor from the requirements of the contract documents.

SECTION 01330 – SUBMITTAL PROCEDURE PAGE 2 OF 3

E. Revisions and Resubmittals:

1. Revise and resubmit submittals as required and identify all changes made since previous submittal.

2. Engineer Obligations for Resubmittals:

a. The engineer will be obligated to review the original submittal and one resubmittal for each item requiring submittal.

b. Subsequent resubmittals will be at the Contractor’s expense, deducted from the subsequent partial pay request and ultimately credited to the contract via subsequent change order at an hourly rate of $60 per hour.

3. Incomplete submittals or rejected submittals that result in the need for the Contractor to resubmit cannot be grounds for a contract time extension or equitable adjustment to contract price, unless the engineer did not meet the obligations outlined in Paragraph 1.02, Subparagraphs E and G.

F. Distribute copies of reviewed submittals to concerned parties, (i.e.

suppliers, sub-contractors).

G. Submittal Time Requirements:

1. Submit information to the Project Engineer at least three weeks in advance of the work to be performed.

2. The Engineer will have up to 14 calendar days, from the date received in the Engineer’s office, to respond to the submittal or resubmittal.

3. If the Engineer takes longer than 14 calendar days to respond to a submittal or resubmittal and if the Contractor can show damage resulting from the Engineer’s delay in responding, the contractor will receive a contract time extension and/or equitable adjustment for the number of days in excess of 14 calendar days that the Engineer held the particular submittal.

4. Repeated resubmittals resulting from “Rejected” or “Incomplete

Submittals” (as defined in Article 1.03) will not be grounds for a contract time extension.

5. Lack of response does not constitute approval.

H. Approval Required Before Installation:

SECTION 01330 – SUBMITTAL PROCEDURE PAGE 3 OF 3

1. Approval of submittals must be provided by the Project Engineer prior to installation of materials.

2. Materials installed without written submittal approval will be at the

Contractor’s risk, and may require removal, at no expense to the Owner or Government.

1.03 DEFINITIONS

A. Approved: Deemed to be acceptable for use in accomplishing the requirements of the plans and specifications, but does not extend to the means, methods, or procedures of construction (except where specific means, methods, or procedures are specifically required by the contract documents) and does not imply approval of the system or construction in which the submitted item is a part.

B. Conditionally Approved: Deemed to be acceptable for use in accomplishing the requirements of the plans and specifications, if the conditions noted in the submittal approval letter are met. The approval does not extend to the means, methods, or procedures of construction (except where specific means, methods, or procedures are specifically required by the contract documents) and does not imply approval of the system or construction in which the submitted item is a part.

C. Rejected: Deemed unacceptable for the use for which it was submitted.

D. Incomplete Submittal: Information is insufficient to ascertain acceptability. Neither approval nor rejection is implied.

SECTION 01335 – SUBMITTAL FORM PAGE 1 OF 2

SECTION 01335

MATERIAL SUBMITTAL REVIEW FORM

Contract:

SKOKOMISH PUMPHOUSE

IMPROVEMENTS

Contract Number:

Contractor:

Contractor’s Signature

Date

Initial

Received by Project Engineer

Returned to Contractor

MATERIAL SUBMITTALS REQUIRED

Item No.

Item Description

Specification Reference

Contractor Indicate: Type, Model

Number, Manufacturer, etc.

Approved/Rejected and Date

1.

Temporary Operations/Bypass (Section 15200)

2.

Ductile Iron Pipe and Fittings

3.

Brass Fittings

4.

Check Valve

5.

Combination Air Valve

6.

Pressure Relief Valve

7.

Gate Valves

8.

Flow Meter

9.

Special USB Cable for Flowmeter

10.

Pressure Gauge

11.

Sample Taps

12.

Flange Isolating Gasket Kits

SECTION 01335 – SUBMITTAL FORM PAGE 2 OF 2

13.

Chlorine Injection Assembly

14.

Saddles

15.

Pipe Support

16.

Flange Coupling Adapter

17.

Brass Ball Valve

18.

Stainless Steel Valve and Fittings

19.

PVC Pipe, Valve, and Fittings

20.

Eyewash Station

21.

Chemical Feed Tank

22.

Chemical Feed Pump

23.

Joint Restraints

24.

Doors

25.

Water Analysis Results (Sec 15200)

SECTION 01420 – REFERENCES PAGE 1 OF 2

SECTION 01420

REFERENCES

A. This section includes a list of organizations, associations or appropriate agencies with jurisdiction that have references, standards, laws or regulations cited in these specifications.

B. Use latest revision of all references, standards, laws or regulations.

1.02 LIST OF ORGANIZATIONS, ASSOCIATIONS & AGENCIES

A. National Standards Organizations & Associations

American Association of State Highway and Transportation Officials (AASHTO) 444 North Capital Street NW, Suite 249 Washington DC, 20001

(202) 624-5800 www.aashto.org

American Concrete Institute (ACI) ACI International PO Box 9094 Farmington Hills, Michigan 48333-9094

(810) 848-3700 www.aci-int.org

American Society for Testing and Materials (ASTM) 100 bar Harbor Drive West Conshohocken, Pa 19428-2959

(610) 832-9585 www.astm.org

American Water Works Association AWWA 6666 West Quincy Avenue Denver, CO 80235

(303) 794-7711 www.awwa.org

National Electric Code (NEC) National Fire and Protection Association 1 Batterymarch Park Quincy, MA 02269-9959 1 888 632-2633 www.nec.com

National Electrical Manufacturer’s Association NEMA 1300 North 17th Street Rosslyn, VA 22209

(703) 841-3200 www.nema.org

Underwriters’ Laboratories, Inc. UL 333 Pfingston Road Northbrook, IL 60062

(847) 272-8800 www.ul.com

American National Standards Institute 1899 L Street, NW 11th Floor Washington, D.C., 20036

(202) 293-8020 www.ansi.org

National Sanitation Foundation (NSF) NSF International P.O. Box 130140 789 N. Dixboro Road Ann Arbor, MI 48105, USA

(734) 769-8010 www.nsf.org http://www.aashto.org/ http://www.aci-int.org/ http://www.astm.org/ http://www.awwa.org/ http://www.nec.com/ http://www.nema.org/ http://www.ul.com/ http://www.ansi.org/ http://www.nsf.org/

SECTION 01420 – REFERENCES PAGE 2 OF 2

B. Federal Agencies

Environmental Protection Agency (EPA) U.S. EPA Region 10 1200 6th Avenue Seattle, WA 98101

(206) 553-1200 http://www.epa.gov/region10

Occupational Health and Safety Administration 1111 Third Avenue, Suite 715 Seattle, Washington 98101-3212

(206) 553-5930

(206) 553-6499 FAX

www.osha.gov

C. State Agencies

Washington Department of Transportation Engineering Publications PO Box 47408 Olympia, WA 98504-7408 Phone 360-705-7430 http://www.wsdot.wa.gov/fasc/EngineeringPublications/

Washington Department of Ecology Department of Printing P.O. Box 798 Olympia, WA 98507-0798 Phone: 360-649-7276 http://www.ecy.wa.gov/

PART 2 – PRODUCTS (N/A)

PART 3 – EXECUTION (N/A)

http://www.epa.gov/region10 http://www.osha.gov/ http://www.wsdot.wa.gov/fasc/EngineeringPublications/ http://www.ecy.wa.gov/

SECTION 01430 – QUALITY CONTROL/ QUALITY ASSURANCE PAGE 1 OF 2

SECTION 01430

QUALITY CONTROL/QUALITY ASSURANCE

A. This section includes prerequisites and procedures to ensure the quality of the construction and to provide assurance that the Contractor is capable of meeting quality requirements.

B. The intent of all quality control requirements is that the Owner will be provided with a complete, properly functioning system upon completion.

C. The costs for Contractor Quality Control/Quality Assurance measures are incidental to the overall contract and are included in the applicable contract line items.

1.02 CONTRACTOR QUALIFICATIONS

A. The General Contractor performing work shall be registered in the State of Washington for the type of construction and magnitude of construction being performed.

1.03 INSTALLER QUALIFICATIONS

A. Trade work shall be performed under the direct supervision of personnel licensed in the State of Washington for the trade being performed.

1.04 CONTROL OF INSTALLATION

A. Inspect materials for acceptability when delivered to the site.

B. Store and handle materials to prevent damage.

C. Inspect materials, services, and workmanship to ensure that work is performed in accordance with the specifications.

D. Comply with manufacturers’ instructions.

E. Should manufacturers’ instructions conflict with contract documents, request clarification from Project Engineer before proceeding.

F. Correct defective work to the satisfaction of the Project Engineer.

SECTION 01430 – QUALITY CONTROL/ QUALITY ASSURANCE PAGE 2 OF 2

1.05 SAMPLES

A. When requested by the Project Engineer, supply samples of materials proposed for use.

1.06 START-UP

A. Prior to start-up, ensure that all equipment is ready for its use, as designed.

B. Provide reports from the manufacturer, including their observations and documentation of workmanship to the Project Engineer within 30 days of manufacturer’s visit, unless a sooner response is required by the applicable specification section.

C. Work will not be considered complete until all systems and subsystems have been tested for proper functionality and proper adjustment.

1.07 WARRANTY

A. Provide a minimum one (1) year warranty from date of final acceptance for all materials and labor, covering defects in the materials or deficiencies resulting from contractor installation.

B. Provide additional warranties as required by specific sections.

SECTION 01500 – TEMPORARY FACILITIES AND CONTROLS PAGE 1 OF 5

SECTION 01500

TEMPORARY FACILITIES AND CONTROLS

A. The work covered by this section includes all temporary facilities and controls needed to complete work under the Contract in a manner that protects public safety and worker safety, that preserves both public and private property and that appropriately involves local governments, emergency and law enforcement.

1.02 RELATED WORK

A. All work under the contract.

1.03 REFERENCES

A. Federal Highway Administration, Manual on Uniform Traffic Control

Devices, Millennium Edition

B. OSHA Standards for the Construction Industry, 29 CFR Part 1926

C. Washington Administrative Code 246-290-490 – Cross Connection

Control

PART 2 – PRODUCTS (NOT APPLICABLE)

PART 3 - EXECUTION

3.01 GENERAL

A. Provide temporary facilities and controls that are necessary to carry out the requirements of the Contract in a manner

1. that protects public safety and worker safety in accordance with 29

CFR § 1926, OSHA Standards for the Construction Industry

2. that preserves both private and public property

3. that communicates and cooperates with local authorities and governments.

B. The Owner reserves the right to remedy any neglect on the part of the Contractor as regards the protection of the work and public as follows:

1. The Owner may issue a written notice outlining the Contractor’s public safety neglect.

SECTION 01500 – TEMPORARY FACILITIES AND CONTROLS PAGE 2 OF 5

2. The Contractor must respond to and remedy the situation within 24 hours, otherwise the Owner will remedy the situation and deduct any costs from money due the Contractor.

3. If the Owner determines an emergency situation to exist, the Owner may elect to immediately remedy the situation and deduct any costs from money due the Contractor.

3.02 TEMPORARY WATER

A. Obtain permission from the owner of the facility or water system from which water is obtained.

B. Install temporary service connections where necessary. Disconnect and permanently close the connection after use.

C. If the Owner does not have a water supply, arrange to obtain water and pay for it at no direct cost to the project.

D. Cross Connection Control: When connecting to the Owner’s water supply, protect the water supply from contamination and provide appropriate backflow prevention devices that meet the Washington Administrative Code 246-290-490.

3.03 TEMPORARY SANITARY FACILITIES

A. Provide a minimum of one toilet and one urinal per 40 jobsite workers.

B. Provide a chemical toilet facility or equivalent.

C. Place temporary facilities in an inconspicuous place and maintain in a sanitary and clean condition.

D. Remove temporary sanitary facilities after completion of the project.

3.04 FENCING

A. Protect existing fencing where possible.

B. Repair and reinstall all moved fencing.

C. Provide adequate fencing for safety purposes.

3.05 SIGNS, SIGNALS AND BARRICADES

A. Provide traffic barriers that result in compliance with Occupational Health and Safety Administration 29 CFR Part 1926 and the Federal Highway

SECTION 01500 – TEMPORARY FACILITIES AND CONTROLS PAGE 3 OF 5

Administration Manual on Uniform Traffic Control Devices, Millennium Edition.

B. Provide barriers to prevent unauthorized entry to construction areas.

C. Provide barriers to protect adjacent properties from damage.

D. Provide barriers to protect all stored materials, the site and structures from damage.

3.06 TRAFFIC CONTROL

A. Conduct all traffic control operations in accordance with OSHA CFR 29 Part 1926 and the FHWA Millennium Edition of the Manual On Uniform Traffic Control Devices (MUTCD).

B. Within State or County Rights-of-Way, adhere to the conditions of their permit or franchise.

C. Haul Routes:

1. Consult with authority having jurisdiction in establishing public thoroughfares to be used for haul routes and site access.

2. Confine construction traffic to designated haul routes.

3. Provide traffic control at critical areas of haul routes to regulate traffic, to minimize interference with public traffic.

3.07 ACCESS ROADS

A. Construct and maintain temporary roads accessing public thoroughfares to serve construction area.

B. Extend and relocate as work progress requires.

C. Provide detours necessary for unimpeded traffic flow.

D. Provide and maintain access to fire hydrants, free of obstructions.

3.08 PARKING

A. If the site is large enough, the Contractor may park their own and employees' vehicles on the site without charge after obtaining permission from the Owner.

B. If the site is not large enough, the Contractor shall make parking arrangements.

SECTION 01500 – TEMPORARY FACILITIES AND CONTROLS PAGE 4 OF 5

C. Prevent interference with the flow of local traffic.

D. Prevent interference with emergency vehicle functions.

3.09 ROAD SURFACE MAINTENANCE

A. Maintain publicly traveled gravel roads in a condition equal to that at the outset of construction.

1. Fill potholes resulting from construction traffic, as soon as possible.

2. Prevent washboarding due to construction traffic.

B. Maintain publicly traveled asphalt roads in a condition equal to that at the beginning of construction, unless being excavated across under this contract.

3.10 WATER CONTROL

A. Follow the erosion and sediment control requirements in Section 02370.

3.11 DUST CONTROL

A. Use measures to minimize dust caused by the project.

B. Avoid dust-creating activities during dry, windy conditions.

3.12 PROTECTION OF INSTALLED WORK

A. Protect installed work and provide temporary and removable protection for installed products.

B. Protect finished surfaces from traffic, dirt, wear, or damage.

C. Prohibit traffic from landscaped areas.

D. Restore or repair damage caused by lack of protection or from vandalism.

3.13 SECURITY

A. The Contractor is responsible for security on the site of work.

B. The Contractor will be held responsible for loss or injury to persons or property where their work is involved.

C. Provide such watchmen and take such other precautionary measures as deemed necessary to protect facilities during the contract period.

SECTION 01500 – TEMPORARY FACILITIES AND CONTROLS PAGE 5 OF 5

3.14 PROGRESS CLEANING

A. Maintain areas free of waste materials, debris and rubbish.

B. Remove waste materials, debris, and rubbish from site weekly and dispose off-site in a solid waste disposal facility that is licensed to receive the level of waste generated.

3.15 REMOVAL OF UTILITIES, FACILITIES & CONTROLS

A. Remove temporary above grade or buried utilities, equipment, facilities, and materials.

B. Clean and repair damage caused by installation or use of temporary work.

C. Restore existing facilities and site to original condition if affected by construction.

3.16 MEDICAL SERVICES AND FIRST AID

A. Follow OSHA 29 CFR Part 1926, Subpart D requirements for posting of medical emergency information.

B. Follow OSHA 29 CFR Part 1926, Subpart D requirements for first aid.

1. Ensure that first aid materials are readily available to workers.

2. First Aid Kit Minimum Requirements: Meet ANSI Z308.1-1978

3.17 TEMPORARY FIRE PROTECTION

A. Provide temporary fire protection in accordance with OSHA 29 CFR

Part 1926, Subpart F, and applicable Tribal and State Law.

SECTION 01770 – CLOSEOUT PROCEDURES PAGE 1 OF 1

SECTION 01770

CLOSEOUT PROCEDURES

A. Section includes information on closeout procedures and final cleaning.

1.02 RELATED WORK

A. Section 01270 – Price and Payment B. Section 01430 – Quality Control / Quality Assurance

C. Section 01780 – Closeout Submittals

1.03 CLOSEOUT PROCEDURES

A. Substantial Completion Process:

1. Provide the engineer certification that work is substantially complete and that facilities are ready for beneficial use by the Owner.

2. If the engineer concurs, the engineer will document a warranty date for substantially complete facilities.

B. Final Inspection:

1. Submit written certification that work is complete in accordance with contract documents and ready for final inspection at least five

(5) calendar days prior to final inspection.

2. Perform and coordinate the final inspection with the engineer, representatives of the owner and other funding partners (i.e.

funding agencies) involved in the project.

3. Final Punch List: Remaining deficiencies will be listed, in a written letter, from the Project Engineer.

4. Provide warranties and record documents (e.g. as-built drawings) to Project Engineer within ten (10) days of final inspection.

C. Final Completion: Final completion will be established once the final punch list deficiencies are remedied and applicable General and Contracting Requirements are met.

SECTION 01780 – CLOSEOUT SUBMITTALS PAGE 1 OF 2

SECTION 01780

CLOSEOUT SUBMITTALS

A. This section describes the requirements for closeout submittals including, record drawings, warranty information and general operation and maintenance information.

A. Section 01430 – Quality Control/Quality Assurance B. Section 01770 – Closeout Procedures

1.03 DELIVERY

A. Provide all closeout submittals meeting these requirements and any specific requirements of each section.

B. All closeout submittals must be received in a correct and complete manner before final payment can be made.

1.04 DEFINITIONS

A. Record Drawing: A drawing showing the actual installation of materials, showing changes from the plans, and showing detail enough that future persons can readily locate all objects.

B. Ties: Measurements from three permanent easily located objects to an installed object.

PART 2 – PRODUCTS (NOT APPLICABLE)

PART 3 - EXECUTION

3.01 RECORD DRAWINGS

A. Provide record data in one of the following manners:

1. On a set of project drawings, neatly draw tie measurements and changes.

2. On separate 8½ X 11 sheets, neatly draw site sketches, structure sketches, etc., indicating the necessary information.

SECTION 01780 – CLOSEOUT SUBMITTALS PAGE 2 OF 2

B. Provide three (3) swing tie measurements and burial depth to all buried utility objects installed under the contract that may need to be located in the future, including, but not limited to:

1. Water main pipe fittings

2. Couplings to existing water systems.

3.02 WARRANTIES

A. Submit all warranty information regarding the materials installed.

B. Minimum warranty information is listed in Section 01430. Specific warranties may be required for each Section of specifications.

3.03 OPERATION AND MAINTENANCE INFORMATION

A. Submit Operation and Maintenance Instructions for all equipment.

ENGINEERING TECHNICAL SPECIFICATIONS

SKOKOMISH PUMP HOUSE IMPROVEMENTS

PROJECT PO-17-M32

09/19/2020

SECTION 02315 – EXCAVATION, TRENCHING AND BACKFILL PAGE 1 OF 13

SECTION 02315

EXCAVATION, TRENCHING AND BACKFILL

PART 1 - GENERAL

1.01 SUMMARY

A. This section includes excavation, trenching and backfill necessary for the construction of the facilities as indicated on the plans including, but not limited to: water mains and service lines, valves and concrete manholes.

1.02 RELATED WORK

A. Section 01780 – Closeout Submittals B. Section 03300 – Cast-in-Place Concrete (Non-Structural) C. Section 15200 – Process Piping and Valves

1.03 REFERENCES

A. ASTM D698 – Test Methods for Moisture Density Relations of Soils and Soil-Aggregate Mixtures Using 5.5 lb. Rammer and 12-in. Drop [Standard Proctor Test].

B. ASTM D1556 – Test Method for Density of Soil in Place by the Sand- Cone Method

C. ASTM D2216 – Test Method for Laboratory Determination of Water Content of Soil, Rock and Soil-Aggregate Mixtures

D. ASTM D2487 – Classification of Soils for Engineering Purposes [Unified Soil Classification System].

E. ASTM D2774 – Underground Installation of Thermoplastic Pressure Piping

F. ASTM D2922 – Test Method for Density of Soil and Soil Aggregate and Rock in Place by Nuclear Methods (Shallow Depth)

G. ASTM D3017 – Test Method for Water Content of Soil and Rock in Place by Nuclear Methods (Shallow Depth)

H. OSHA 1926 – Occupational Safety and Health Standards for the Construction Industry

I. Washington DOT – Standard Specifications for Road, Bridge and Municipal Construction, 2000, English Units

1.04 DEFINITIONS

SECTION 02315 – EXCAVATION, TRENCHING AND BACKFILL PAGE 2 OF 13

A. Bedding, Haunching, Initial Backfill, and Final Backfill zones as defined herein and on the Plans.

B. Native, Import and Select Material Definitions:

1. Native Material: Soils excavated from the trench in the immediate vicinity of current pipe installation activities.

2. Import Material: Soils transported from a soil pit stockpile at a location other than the location where trench excavation is taking place.

C. Soil Materials as summarized in the table below and further defined in

ASTM D2487:

USCS Group Description GW Well-Graded Gravel, with less than 5% fines GP Poorly-Graded Gravel, with less than 5% fines SW Well-Graded Sands, with less than 5% fines SP Poorly-Graded Sands, with less than 5% fines GW-GM or GW-GC Well-Graded Gravel, with 5-12% fines GP-GM or GP-GC Poorly-Graded Gravel, with 5-12% fines SW-SM or SW-SC Well Graded Sands with 5-12% fines SP-SM or SP-SC Poorly Graded Sands with 5-12% fines

1.05 SUBMITTALS

A. Submit the result of standard proctors, including proctor curve, for each soil type encountered and used in completing the work as specified.

B. Submit all compaction test results in writing within 5 days of being performed.

1.06 QUALITY ASSURANCE

A. Compaction Testing Qualifications: Tests must be performed by a firm or professional regularly engaged in soil testing for engineering purposes. The individual on site shall be certified to operate nuclear density equipment.

B. Locations: Provide compaction test results at locations as designated by the Project Engineer.

1. Frequency:

SECTION 02315 – EXCAVATION, TRENCHING AND BACKFILL PAGE 3 OF 13

a. Excavation, Trenching and Backfilling in an Established, Traveled Roadway Road Shoulders, and Driveways: see Section 02705.

b. Excavation, Trenching and Backfilling outside of an Established, Traveled Roadway: once per 1000-feet along the pipeline.

2. At locations where paved streets, roadway shoulders, gravel access roads, driveways, or sidewalks will be constructed or reconstructed over the trench, the backfill shall be spread in layers and be compacted by mechanical tampers. In such cases, the backfill material shall be placed in successive layers not exceeding 6 inches in loose thickness, and each layer shall be compacted with mechanical tampers to the density specified herein. Mechanical tampers shall be of the impact type as approved by the Engineer.

3. At each location, provide enough tests to demonstrate compliance with the compaction requirements for both the pipe embedment zone and the final backfill zone.

4. If testing reveals inadequate compaction, retest at that location after remedying the non-compliance with the specifications.

PART 2 – PRODUCTS

2.01 BEDDING, HAUNCHING AND INITIAL BACKFILL MATERIAL

A. Imported material for Bedding, Haunching and Initial Backfill within the Pipe Embedment Zone:

1. Pipe Embedment Material as defined in Section 02060.

B. Native material for Bedding, Haunching and Initial Backfill within the

Pipe Embedment Zone:

1. Use in accordance with the restrictions of Part 3 – Execution.

2. Free from wood waste, organic material, and other extraneous and/or objectionable material, as determined by the Project Engineer.

3. Free from particles greater than 1 1/2 -inch in dimension.

2.02 FINAL BACKFILL MATERIAL

SECTION 02315 – EXCAVATION, TRENCHING AND BACKFILL PAGE 4 OF 13

A. Imported material for Final Backfill over excavated areas:

1. Required if site conditions prevent Native Materials from meeting the requirements of Article 2.02B or compaction requirements (due to fines).

2. Pipe Embedment Material as defined in Section 02060

B. Native material for Final Backfill over excavated areas:

1. Free from soil chunks larger than 4-inches in dimension.

2. Free from stones or rocks larger than 4-inches in dimension.

3. Free from organic materials.

4. Free from frost chunks.

2.02 CONCRETE PIPE ENCASEMENT

A. See Section 03310

3.01 GENERAL

A. Trenching and excavation work shall be done in accordance with proper emphasis on safety as determined by the Contractor to conform to recommended safety standards such as, but not limited to, OSHA 1910 and 1926.

B. Where shown on the Plans, piping shall be encased in concrete. See

Article 3.08 for execution requirements.

C. Obtain all permits from the appropriate road agencies for construction within road right of way.

D. Repair damage resulting from settlement, slides, cave-ins, water pressure, and other causes.

E. Provide traffic control, including adequate signs, barricades, fences, lights and other temporary provisions necessary to protect the work and safety of the public in all construction areas in accordance with Section 01500.

3.02 EXCAVATION

SECTION 02315 – EXCAVATION, TRENCHING AND BACKFILL PAGE 5 OF 13

A. Remove brush, trees and stumps from excavation and site in accordance with Section 02230.

B. Strip and stockpile existing topsoil and/or organic material.

C. Install facilities as staked and/or as shown on Plans, unless otherwise approved by the Project Engineer.

D. Maintain surface drainage away from trenching or excavation.

E. If unsuitable foundation materials, not capable of providing uniform and stable bearing support along the length of pipe, are encountered or if the existing soil contains stones or rocks greater than 1-inch in dimension, over-excavate 6-inches below the bottom of the pipe and provide Imported Bedding material.

F. Maintain minimum clearance between outer surface of facility being installed and wall of excavation as shown on the Plans.

G. Rock encountered shall be classified, excavated, and measured in accordance with Section 02316 – Rock Excavation

3.03 TRENCHING

A. Total Bottom Width:

1. Minimum: Pipe diameter plus 12-inches.

2. Maximum: Pipe diameter plus 24-inches.

B. Depth: Provide minimum cover as specified, or depths shown on Plans.

C. Top Width: As needed to meet safety requirements, but minimize the width where possible.

D. Trench Walls: Keep trench walls vertical in the pipe embedment zone.

E. Length of Open Trench:

1. Unless authorized by the Project Engineer in writing, the length of trench excavation in advance of pipe being laid shall not exceed 200-feet during active construction.

SECTION 02315 – EXCAVATION, TRENCHING AND BACKFILL PAGE 6 OF 13

2. All trenches must be backfilled during non-work hours, or alternately, up to 20-feet of trench can be left open during non-work hours if the trench is completely barricaded and fenced.

3. If open trenches in excess of this specification result in the wetting of moisture-sensitive stockpiled materials, such that the moisture content prevents the material from meeting compaction requirements, the Contractor shall provide imported material that complies with these specifications and haul away the wet materials at no expense to the project or the Owner.

3.04 BEDDING

A. General:

1. Where over excavation is necessary, install 6-inches of Imported

Bedding.

2. Level and form the bottom of the trench to provide uniform bearing support along the length of the pipe.

B. Compaction of Imported Bedding: Meet the following density requirements based on standard proctor (ASTM D698):

Location

Percent of Max.Dry Density Required

Areas of Recent Fill or Embankment 95% Areas Traveled By Vehicular Traffic, Rights-of-Way 90% Unimproved Surfaces or Fields 80%

3.05 HAUNCHING AND INITIAL BACKFILL

A. General

1. Provide complete and uniform bearing and support for the pipe, including allowance for bell holes.

2. Work material under the pipe haunches and around the pipe to ensure full pipe support.

3. Prevent movement of the pipe during placement of material and avoid contact between the pipe and mechanical compaction equipment.

SECTION 02315 – EXCAVATION, TRENCHING AND BACKFILL PAGE 7 OF 13

4. Place material in lifts no greater than 6-inches thickness in loose measure.

5. Install initial backfill to a minimum depth of 6-inches over the crown of the pipe.

SECTION 02315 – EXCAVATION, TRENCHING AND BACKFILL PAGE 8 OF 13

B. Material Usage:

1. Rigid Pipe (Ductile Iron):

a. Dry Trench and Site Conditions: Native Material per Article

2.01B.

b. Wet Trench Conditions: Imported Material per Article 2.01A.

2. Plastic Pipe: Imported Material per Article 2.01A.

C. Compaction of Haunching and Initial Backfill:

1. Compact haunching material and initial backfill using walk-behind vibratory plate compactor or manual hand-tamping tools

2. Ensure no contact between compacting equipment and the pipe.

3. Prohibited Compaction Equipment for Haunching and Initial Backfill:

a. hoe-pack

b. hydrohammer

c. rammer-tamper

d. vibratory rollers

4. Prevent movement of the pipe during placement or compaction of material.

5. Meet the following density requirements based on standard proctor

(ASTM D698):

Location

Max. Dry Density Required

Areas of Recent Fill or Embankment 95% Areas Traveled By Vehicular Traffic, Rights-of-Way 90% Unimproved Surfaces or Fields 80%

3.06 FINAL BACKFILL

A. General:

1. If moisture content of the Native Soil results in the inability to meet compaction requirements (due to fines), use imported material per Article 2.02B.

SECTION 02315 – EXCAVATION, TRENCHING AND BACKFILL PAGE 9 OF 13

2. Waste or haul away material not meeting the requirements.

3. Conform to Section 02705 – Road Restoration for backfill requirements under roadways, including gravel access roadways.

4. Repair any trenches improperly backfilled or where settlement occurs, then refill and compact.

B. Compaction:

1. Install 2-feet of total fill over the pipe crown before subjecting the trench to hydrohammers, hoe-packs, or vehicular traffic.

2. Backfill in lifts to meet compaction requirements throughout the full depth of backfilled trench.

3. Compact to the following requirements (Densities as a percent of Standard Proctor Test):

Location Maximum Lift

Max. Dry Density Required

Under Roadways or Surfaces Traveled by Vehicular Traffic 12-inches 95% Areas of Recent Fill or Embankment 12-inches 90% Rights-of-Way 12-inches 90% Unimproved Surfaces or Fields 24-inches 70%

4. Use smaller lifts if necessary to meet the in-place density requirements.

3.07 CONCRETE PIPE ENCASEMENT

A. Where shown on the Plans, encase pipe in concrete. Do not install pipe bedding or initial backfill. Other pipe installation requirements shall apply.

B. Concrete encasement shall extend to a minimum depth of 6-inches below the pipe and a minimum of 12-inches above the pipe.

C. Concrete encasement shall extend to the entire length of the trench, as shown on the Plans.

SECTION 02315 – EXCAVATION, TRENCHING AND BACKFILL PAGE 10 OF 13

3.08 REMOVAL OF NUISANCE WATER

A. Control site drainage, springs and runoff, and prevent water from adversely affecting trenching locations.

B. Remove nuisance water entering the trenches. Water that can be removed through the use of sump or trash pumps will not be considered dewatering.

C. Keep trenches free from standing water until the facilities are in place, the end plugged against the entrance of water, and backfill has been placed and compacted.

3.09 LOCATE EXISTING UTILITIES

A. Field locate all existing underground utilities.

1. Utilize state “utility locate” hotlines.

2. Contact all other utility owners not covered by the state “Utility

Locate” hotlines.

B. Contact the Owner 48-hours in advance of work in areas needing utility location service.

3.10 UTILITY CONFLICTS

A. Protect existing utilities from damage during excavation and backfilling operations.

B. Provide temporary support for existing water, gas, telephone, power, or other utility services that cross the trench until backfilling of trench is complete.

1. Compact backfill to 95% of maximum density under disturbed utilities.

2. Coordinate the repair of existing utilities, regardless of whether they were properly located.

a. Damage to existing utilities properly located through “Utility

Locate” programs will be the responsibility of the Contractor to repair, at no cost to the Owner or Government.

SECTION 02315 – EXCAVATION, TRENCHING AND BACKFILL PAGE 11 OF 13

b. Damage to existing utilities improperly located by “Utility Locate” programs shall be at the expense of the “Utility Locate” service or the Owner of the damaged utilities.

c. Fair compensation will be negotiated for repairs to Tribal water and sewer utilities that were improperly located. However, if the Contractor neglects to request a Tribal utility locate in accordance with the Contract requirements, no compensation will be made to the Contractor.

C. Water and sewer main crossing and parallel installation

1. Maintain a 10 foot horizontal separation (O.D. to O.D.) for parallel mains.

2. Upon approval by the Engineer, water and sewer mains may be installed closer than 10 feet, provided all of the following conditions;

a. Vertical separation is 18 inches (O.D. to O.D.)

b. Water main is above the sewer main.

c. Separate trenches are maintained.

3. Maintain a minimum 18-inch vertical separation (O.D. to O.D.) for crossing mains.

a. Lay pipe with joints equidistant from the point of crossing.

4. If it is impossible to meet any of the above separation distances and deviations, one of the following methods shall be adhered to.

a. Sewer main shall be constructed to water main pressure pipe standards, and successfully pass a 150-psi pressure test prior to backfilling.

b. Either the water main or the sewer main may be encased in a watertight carrier pipe that extends 10 feet on both sides of the crossing. The carrier pipe shall be of materials approved by the regulatory agency for use in water main construction.

D. Water and sewer service crossing and parallel installation.

1. Maintain a 30-inch horizontal separation from water and sewer services.

2. Maintain a 12-inch vertical separation for crossing water and sewer services.

SECTION 02315 – EXCAVATION, TRENCHING AND BACKFILL PAGE 12 OF 13

3. Water service line splices or joints will not be permitted within 10 feet of a sewer line crossing.

3.12 RECORDS

A. Conform to as-built requirements in Section 01780 – Closeout Submittals.

SECTION 02315 – EXCAVATION, TRENCHING AND BACKFILL PAGE 13 OF 13

This Page Intentionally Left Blank

SECTION 03300 – CAST IN PLACE CONCRETE (NON-STRUCTURAL) PAGE 1 OF 4

SECTION 03300

CAST-IN-PLACE CONCRETE (NON-STRUCTURAL)

A. This section includes provisions for non-structural cast-in-place concrete.

A. Section 01789 – Closeout Submittals B. Section 02315 – Excavation, Trenching and Backfilling C. Section 15200 – Process Piping and Valves

A. ASTM C33 – Standard Specification for Concrete Aggregates.

B. ASTM C94 – Standard Specification for Ready Mix Concrete.

C. ASTM C150 – Standard Specification for Portland Cement.

D. ASTM A185 – Welded Steel Wire Fabric, Plain for Concrete

Reinforcement

E. ASTM A615 – Deformed and Plain Billet-Steel Bars for Concrete

Reinforcement

1.04 QUALITY ASSURANCE

A. Obtain cement and aggregate from the same source for all work.

PART 2 - PRODUCTS

2.01 CONCRETE MATERIALS

A. Cement: ASTM C150, Portland Cement Type – IA, Air Entrained.

B. Aggregates: ASTM C33.

1. Fine Aggregates:

SECTION 03300 – CAST IN PLACE CONCRETE (NON-STRUCTURAL) PAGE 2 OF 4

a. Fine aggregates shall be clean, hard, tough, water sound and free of deleterious substances.

b. One hundred percent passing 3/8 inch sieve.

c. At least fifty percent passing No. 16 sieve.

2. Coarse Aggregates

a. Coarse aggregates shall be clean, hard, tough, water sound and free of deleterious substances.

b. Maximum aggregate size for reinforced concrete…