PART B Techical Specifications For Prineville Reservoir State Park Jasper Point Cabin Project.pdf

TECHNICAL SPECIFICATIONS

For

Prineville Reservoir State Park – Jasper Point Cabin Project

Project Number: OPRIS #36729 Contract Number: #12249

Date: January 2025

Prepared by:

Scott Edwards Architecture 2525 E. Burnside St.

Portland, OR 97214

Prepared for:

Oregon Parks and Recreation Department

Engineering Section 725 Summer Street NE, Suite C

Salem, Oregon 97301

TABLE OF CONTENTS - 1

Large Deluxe Cabin Building Project – Prineville, OR 97754

OPRD Prineville Reservoir State Park – Jasper Point Campground

PART B – LARGE DELUXE CABIN BUILDING PROJECT – TECHNICAL SPECIFICATIONS MANUAL

TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

01 32 33 Photographic Documentation 01 35 73 Delegated Design Procedures 01 42 00 References 01 60 00 Products

DIVISION 02 – SITE WORKS

02100 Site Clearing 02200 Earthwork 02220 Earthwork for Utilities & Vaults 02240 Control of Water 02321 Foundation Stabilization, Pipe Zone and Backfill 02322 Earthwork for Roadway Repairs 02370 Erosion and Sedimentation Control 02512 PEX Domestic Water Piping 02530 Sanitary Sewer 02700 Asphaltic Concrete Paving and Resurfacing

DIVISION 03 – CONCRETE

03 10 00 Concrete Forming and Accessories 03 20 00 Concrete Reinforcing 03300 Cast-in-Place Concrete (Civil) 03 30 00 Cast-in-Place Concrete (Architectural)

DIVISION 05 – METALS

05 50 00 Metal Fabrications

DIVISION 06 – WOOD AND PLASTICS

06 10 00 Rough Carpentry 06 15 33 Wood Patio Decking 06 16 00 Sheathing 06 18 00 Glued-Laminated Construction 06 20 13 Exterior Finish Carpentry 06 40 23 Interior Architectural Woodwork 06 41 16 Plastic-Laminate-Faced Architectural Cabinets

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 21 00 Thermal Insulation 07 21 19 Foamed-in-Place Insulation 07 25 00 Weather Barriers 07 41 13 Standing-Seam Metal Roof Panels 07 62 00 Sheet Metal Flashing and Trim 07 92 00 Joint Sealants

DIVISION 08 – OPENINGS

08 14 16 Flush Wood Doors 08 16 13 Fiberglass Doors 08 31 13 Access Doors and Frames 08 54 13 Fiberglass Windows 08 71 00 Door Hardware

DIVISION 09 – FINISHES

09 29 00 Gypsum Board 09 30 00 Tiling 09 65 00 Resilient Flooring 09 91 00 Painting 09 93 00 Staining and Transparent Finishing

DIVISION 10 – SPECIALTIES

TABLE OF CONTENTS - 2

OPRD Prineville Reservoir State Park – Jasper Point Campground

10 28 00 Restroom Accessories 10 44 00 Fire Extinguishers

DIVISION 11 – EQUIPMENT

11 30 13 Appliances

DIVISION 12 – FURNISHINGS

12 21 13 Horizontal Louver Blinds 12 36 00 Countertops

DIVISION 22 – PLUMBING

22 05 00 Common Work Results for Plumbing 22 05 23 General Duty Valves and Specialties for Plumbing 22 05 29 Hangers, Supports, and Anchors for Plumbing 22 05 90 Pressure Testing for Plumbing Systems 22 07 00 Insulation for Plumbing 22 21 13 Pipe and Pipe Fittings Plumbing 22 25 00 Plumbing Water Treatment 22 30 00 Plumbing Equipment 22 40 00 Plumbing Fixtures

DIVISION 23 – HEATING, VENTILATION AND AIR CONDITIONING (HVAC)

23 05 00 Common Work Results for HVAC 23 05 29 Hangers and Supports for HVAC Piping and Equipment 23 05 48 Vibration and Seismic Controls for HVAC 23 07 13 Duct Insulation 23 31 00 HVAC Ducts and Casings 23 33 00 Air Duct Accessories 23 37 00 Air Outlets and Inlets 23 72 00 Air-to-Air Energy Recovery Equipment 23 81 26.13 Small-Capacity Split-System Air Conditioners 23 82 00 Convection Heating and Cooling Units

DIVISION 26 – ELECTRICAL

26 05 00 Common Work Results for Electrical 26 05 19 Low-Voltage Electrical Power Conductors and Cables 26 05 26 Grounding and Bonding for Electrical Systems 26 05 33.13 Conduit for Electrical Systems 26 05 33.16 Boxes for Electrical Systems 26 05 53 Identification for Electrical Systems 26 05 83 Wiring Connections 26 09 23 Lighting Control Devices 26 24 16 Panelboards 26 27 26 Wiring Devices

DIVISION 33 – UTILITIES

33 46 00 Subdrainage

CIVIL SPECIFICATIONS

Deluxe Cabin at Jasper Point Campground at

Prineville State Park

PROFESSIONAL OF RECORD CERTIFICATION:

Seal with Signature Division 02 and Section 03300:

SECTION 02100 – SITE CLEARING

SECTION 02200 – EARTHWORK

SECTION 02220 – EARTHWORK FOR UTILITIES &

VAULTS

SECTION 02240 – CONTROL OF WATER

SECTION 02321 – FOUNDATION

STABILIZATION, PIPE ZONE

AND BACKFILL

SECTION 02322 – EARTHWORK FOR ROADWAY

REPAIRS

SECTION 02370 –EROSION AND

SEDIMENTATION CONTROL

SECTION 02512 – PEX DOMESTIC WATER PIPING

SECTION 02530 – SANITARY SEWER

SECTION 02700 – ASPHALTIC CONCRETE

PAVING AND RESURFACING

SECTION 03300 – CAST-IN-PLACE CONCRETE

(CIVIL)

A PROGSXGIN22A

PA010.10

. KuMo

OREGON / 7

STAMPED 2/28/2025

TECHNICAL SPECIFICATIONS

Deluxe Cabin at Jasper Point Campground at

Prineville State Park

PROFESSIONAL OF RECORD CERTIFICATION:

Seal with Signature Divisions 22, 23, 26:

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SECTION 01 32 33 - 1

OPRD Prineville Reservoir State Park – Jasper Point Campground

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 32 33 – PHOTOGRAPHIC DOCUMENTATION

PART 1 - GENERAL

1.1 Photographs: Provide preconstruction, concealed work, periodic construction and final completion photographs.

A. Format: Color, JPEG (Joint Photographic Experts Group), digital camera with no less than 12 megapixel and image resolution of 3200 by 2400 pixels.

1. Use flash as required for lighting conditions.

2. Do not submit blurry, obscure or otherwise unclear photographs.

1.2 Submittals:

A. Submit photos on thumb-drive or online digital file sharing portal.

1. Where Contractor uses digital project management software, provide access for review.

2. Digital copies are required at project closeout in format indicated.

B. Identify photograph with Project information, Date, description, and where available location on a key plan.

1.3 Photographs:

A. Preconstruction: Before Work commences. Take photographs of surrounding site, of each area to remain and each area with modifications or Work.

1. Take photographs of adjacent and surrounding areas, including pavement conditions and other areas where traffic or loading occurs to document existing conditions.

B. Concealed Work: Before Work is concealed, or will be covered by subsequent work, take photographs to record nature, location and condition of Work.

C. Periodic Construction: Take photographs coinciding with payment applications and schedule. Show status of construction and progress.

D. Final Completion: Take photographs after date of Substantial Completion, as part of Record

Documents to include in final submittal, showing conditions of existing areas to remain and surrounding areas.

SECTION 01 35 73 - 1

OPRD Prineville Reservoir State Park – Jasper Point Campground

SECTION 01 35 73 – DELEGATED DESIGN PROCEDURES

PART 1 - GENERAL

1.1 Section includes delegated and bidder design systems.

1.2 Delegated Design: Delegated design is specifically assigned to Contractor to be designed or certified by a design professional. Costs incurred for delegated-design services shall be paid for by the Contractor.

Contractor shall engage a professional engineer to provide design of product and system in compliance with performance and design criteria indicated.

A. Professional Engineer Qualifications: A professional engineer who is legally qualified to practice in jurisdiction where Project is located and who is experienced in providing engineering services of the kind indicated. Engineering services are defined as those performed for installation or design of a system, assembly, or product that is similar in material, design, and extent to those indicated for this Project.

B. Performance and Design Criteria: Where professional design services or certifications by a design professional are specifically required of Contractor by the Contract Documents, provide products and systems complying with specific performance and design criteria indicated.

1. If criteria indicated are not sufficient to perform services or certification required, submit a written request for additional information to Project Manager.

C. Submittals, Delegated Design: Submit analysis data signed and sealed by the qualified Professional

Engineer responsible for their preparation.

1.3 Bidder Designed Systems:

A. Bidder Designed Systems are defined as complete, operational systems, designed, engineered and permitted by the Contractor. Systems and materials shall be installed and made operational by the Contractor.

B. Provide all engineering, drawings and calculations by a licensed professional as required by the jurisdiction. Provide stamped documents as required by the jurisdiction.

C. Submittals: Submit system shop drawings and cut sheets of all equipment and components to the Project Manager for review prior to submittal to the jurisdiction.

1.4 Bidder Designed Components:

A. Bidder Designed Components are defined as individual components or elements that are part of a specified system that require design and/or engineering as required to provide and integrate into the overall Project for their intended use.

B. Provide all engineering, drawings and calculations by a licensed professional as required by the jurisdiction. Provide stamped documents as required by the jurisdiction.

C. Submittals: Submit documentation and calculation for engineered components to the Project Manager for review.

SECTION 01 42 00 - 1

OPRD Prineville Reservoir State Park – Jasper Point Campground

SECTION 01 42 00 – REFERENCES

PART 1 - GENERAL

1.1 Definitions:

A. “Coastal Environments”: Project sites located within one mile of a saltwater body of water.

B. "Typical Environments”: Project sites located more than one mile away from a saltwater body of water.

1.2 Abbreviations and Acronyms:

A. Industry Organizations: Where abbreviations and acronyms are used in Specifications or other Contract Documents, they shall mean the recognized name of the entities in the following list.

Abbreviations and acronyms not included in this list shall mean the recognized name of the entities indicated in Gale's "Encyclopedia of Associations: National Organizations of the U.S." or in Columbia Books' "National Trade & Professional Associations of the United States." The information in this list is subject to change and is believed to be accurate as of the date of the Contract Documents.

1. AAMA - American Architectural Manufacturers Association; www.aamanet.org.

2. ACI - American Concrete Institute; (Formerly: ACI International); www.concrete.org.

3. AIA - American Institute of Architects (The); www.aia.org.

4. AISC - American Institute of Steel Construction; www.aisc.org.

5. AISI - American Iron and Steel Institute; www.steel.org.

6. AITC - American Institute of Timber Construction; www.aitc-glulam.org.

7. ALSC - American Lumber Standard Committee, Inc.; www.alsc.org.

8. ANSI - American National Standards Institute; www.ansi.org.

9. APA - The Engineered Wood Association; www.apawood.org.

10. ASCE - American Society of Civil Engineers; www.asce.org.

11. ASCE/SEI - American Society of Civil Engineers/Structural Engineering Institute; (See

ASCE).

12. ASHRAE - American Society of Heating, Refrigerating and Air-Conditioning Engineers;

www.ashrae.org.

13. ASTM - ASTM International; www.astm.org.

14. AWI - Architectural Woodwork Institute; www.awinet.org.

15. AWPA - American Wood Protection Association; www.awpa.com.

16. AWS - American Welding Society; www.aws.org.

17. BHMA - Builders Hardware Manufacturers Association; www.buildershardware.com.

18. CPA - Composite Panel Association; www.compositepanel.org.

19. CRSI - Concrete Reinforcing Steel Institute; www.crsi.org.

20. CSA - CSA Group; www.csa-group.org.

21. CSI - Construction Specifications Institute (The); www.csiresources.org.

22. DHI - Door and Hardware Institute; www.dhi.org.

23. FM Approvals - FM Approvals LLC; www.fmglobal.com.

24. FM Global - FM Global; (Formerly: FMG - FM Global); www.fmglobal.com.

25. GA - Gypsum Association; www.gypsum.org.

26. HMMA - Hollow Metal Manufacturers Association; (See NAAMM).

27. HPVA - Hardwood Plywood & Veneer Association; (See DHA).

28. ICBO - International Conference of Building Officials; (See ICC).

29. ICC - International Code Council; www.iccsafe.org.

30. ISO - International Organization for Standardization; www.iso.org.

31. MPI - Master Painters Institute; www.paintinfo.com.

32. NACE - NACE International; (National Association of Corrosion Engineers International);

www.nace.org.

33. NFPA - National Fire Protection Association; www.nfpa.org.

34. NRCA - National Roofing Contractors Association; www.nrca.net.

35. NWCB – Northwest Wall and Ceiling Bureau; www.nwcb.org.

36. SDI - Steel Door Institute; www.steeldoor.org.

37. SMACNA - Sheet Metal and Air Conditioning Contractors' National Association;

www.smacna.org.

38. SSPC - SSPC: The Society for Protective Coatings; www.sspc.org.

SECTION 01 42 00 - 2

OPRD Prineville Reservoir State Park – Jasper Point Campground

39. TCNA - Tile Council of North America, Inc.; www.tileusa.com.

40. UL - Underwriters Laboratories Inc.; www.ul.com.

41. USGBC - U.S. Green Building Council; www.usgbc.org.

42. WCLIB - West Coast Lumber Inspection Bureau; www.wclib.org.

43. WDMA - Window & Door Manufacturers Association; www.wdma.com.

44. WI - Woodwork Institute; www.wicnet.org.

45. WRCLA - Western Red Cedar Lumber Association; www.realcedar.com.

46. WSRCA - Western States Roofing Contractors Association; www.wsrca.com.

47. WWPA - Western Wood Products Association; www.wwpa.org.

SECTION 01 60 00 - 1

OPRD Prineville Reservoir State Park – Jasper Point Campground

SECTION 01 60 00 – PRODUCTS

PART 1 - GENERAL

1.1 All materials to be new, free from defects in bearing strengths, durability or appearance, of best quality for purpose specified.

1.2 Definitions:

A. Basis-of-Design Product Specification: A specification in which a single manufacturer's product is named and accompanied by the words "basis-of-design product," including make or model number or other designation. Published attributes and characteristics of basis-of-design product establish salient characteristics of products.

1. Evaluating Comparable Products: In addition to the basis-of-design product description, product attributes and characteristics may be listed to establish the significant qualities related to type, function, in-service performance and physical properties, weight, dimension, durability, visual characteristics, and other special features and requirements for purposes of evaluating comparable products of additional manufacturers named in the specification.

Manufacturer's published attributes and characteristics of basis-of-design product also establish salient characteristics of products for purposes of evaluating comparable products.

1.3 Compatibility of Options: If Contractor is given option of selecting between two or more products for use on Project, select product compatible with products previously selected, even if previously selected products were also options.

1.4 Delivery, Storage and Handling: Deliver, store, and handle products, using means and methods that will prevent damage, deterioration, and loss, including theft and vandalism. Comply with manufacturer's written instructions and requirements indicated in the Contract Documents.

1.5 Warranties:

A. Warranties specified in other Sections are to be in addition to, and run concurrent with, other warranties required by the Contract Documents. Manufacturer's disclaimers and limitations on product warranties do not relieve Contractor of obligations under requirements of the Contract Documents.

B. Special Warranties: Prepare a written document that contains appropriate terms and identification, as accepted by both the manufacturer and/or contractor and the Project Manager, ready for execution.

1. Form: Unless otherwise indicated, use Manufacturer's Standard Form modified to include

Project-specific information and properly executed.

Section 02100 - 2

SITE CLEARING

SECTION 02100 – SITE CLEARING

PART 1 – GENERAL

1.01 GENERAL DESCRIPTION

A. Furnish all labor, materials, equipment, and incidentals required to perform all clearing, grubbing, stripping, and removing of trees and stumps and dispose of all vegetation and debris on site at a location specified by the Park Manager or Project Manager.

B. This item includes the removal and legal disposal off-site of asphalt, piping, electrical wires, mechanical equipment, miscellaneous concrete, and any miscellaneous items as shown on the Plan Sheets, or otherwise necessary to complete the Work.

1.02 REGULATORY REQUIREMENTS

A. The Contractor shall observe state and local laws and code requirements for the hauling and disposing of trees, shrubs, stumps, roots, rubbish, debris and other matter.

B. Contractor is responsible for all permits and fees and private agreements.

1.03 PROJECT CONDITIONS - TRAFFIC

A. Conduct site clearing operations to ensure minimum interference with roads, streets, walks, and other adjacent occupied or used facilities.

B. Do not close or obstruct streets, walks, or other occupied or used facilities without permission of the Project Manager or, if outside a state park, from authorities having jurisdiction.

C. Coordinate any disruption of access to existing facilities with Project Manager.

PART 2 – MATERIALS (Not Applicable)

PART 3 – EXECUTION

3.01 PREPARATION

A. Protection:

1. Protect improvements adjacent to the construction area including existing streets, roads, adjacent property and all other facilities and structures from damage caused by the Contractor's operations.

2. Return to original condition, satisfactory to the Project Manager, facilities damaged by the Contractor's operations.

3. Contractor to coordinate with Owner for inspection of repairs to damaged existing improvements.

4. Protect wetlands and wetland buffers as shown on the Drawings. No work, equipment, ground disturbance or vegetation removal shall occur within wetland boundaries. Construction activity may occur within wetland buffers as shown in the Drawings.

Section 02100 - 3

5. Protect existing trees, shrubs, and grassed areas adjacent to the clearing limits by using fences, barricades, wrapping, or other methods as shown, specified or approved by the Project Manager.

6. Stockpile and equipment storage allowed only as approved by Project Manager or the Park Manager.

7. Do not remove trees without prior approval from the Project Manager unless shown or specified in the Drawings.

8. Carefully maintain benchmarks, monuments, and other reference points.

a. If disturbed or destroyed, replace as directed by the Project Manager.

b. Replacement shall be completed by a Professional Licensed Surveyor registered in the State of Oregon with applicable recordings for property corners and benchmarks in compliance with local and state regulations and requirements.

8. Provide protections necessary to prevent damage to existing improvements indicated to remain in place.

B. Salvageable Items:

1. The Contractor shall carefully remove items designated to be salvaged and store in a location designated by the Project Manager or Park Manager.

2. Salvaged items shall be stored in accordance with industry standards of good workmanship, including proper dismantling, hoisting, moving, storing, and protection.

C. The Contractor shall stockpile topsoil in a location within the Park as directed by the

Project Manager or Park Manager.

3.02 APPLICATION:

A. Clearing and Grubbing:

1. General:

a. Remove all trees, shrubs, grass, and other vegetation, improvements, or obstructions, as shown on Plan Sheets, to permit installation of new construction.

b. Removal includes digging out and disposal of stumps and roots on site at a location specified by the Park Manager or Project Manager.

2. Clear construction site of all trees, shrubs, and other vegetation, except for those indicated to be left standing.

3. Do not clear and grub in areas within drip lines of trees designated to be retained.

4. Completely remove stumps and roots of existing trees designated to be removed where construction is to take place.

Section 02100 - 4

5. Stumps to be removed in areas not to receive new construction shall have stumps ground to a minimum depth of 6 inches below new finish grade.

6. Fill depressions caused by clearing and grubbing operations with Project Manager approved material, unless further excavation or earthwork is indicated.

a. Place fill material in horizontal layers not exceeding 6 inches loose depth.

b. Thoroughly compact each layer to a density equal to adjacent original ground.

7. Clearing shall be confined to those areas within the Contract limit line as shown, specified or identified in the field by the Project Manager.

8. Stripping:

a. Strip areas where excavation or embankment is to be made.

b. Stripping includes the removal of organic material such as brush, roots, sod, grass, residue of agricultural crops, sawdust, and decayed vegetable matter from the surface of the ground.

c. Except where paved, or concrete surfaces, or structures are proposed, stripping is not intended to include topsoil.

d. In areas where grading, paving, or structures are proposed, strip topsoil to a depth of 6 inches, stockpile. Reserve for redistribution and fine grading prior to planting and seeding.

9. At Contractor’s discretion, woody portions only of trees designated to be removed may be chipped into pieces no bigger than 1-1/2 inches in any dimension and stockpiled at a location designated by the Project Manager within the Park and beyond the limit of Work.

10. Pruning of trees and shrubs shall be done only as noted on the Plan sheets or at the direction of the Project Manager. When pruning is authorized, the pruning shall be done in the following manner:

a. Trim all trees and shrubs as necessary to avoid removal or damage. All pruning shall be done by a Certified Arborist or by a person approved by the Project Manager prior to the pruning. All final pruning cuts shall be next to a trunk or main limb.

b. All pruning shall be done with saws by the double cut method, with the first cut being up from the bottom of the limb. The second cut shall be down from the top of the limb within 1 inch of the lower cut, at a location outside of the first cut (not on the trunk side).

Limbs over 2 inches in diameter shall be pruned by cutting as described above at a location 2 to 3 feet away from the trunk, then recut as described above next to the trunk, immediately outside of any branch bark collar.

c. Treat all trimmed or damaged trees using a credentialed tree surgeon.

Section 02100 - 5

d. Replace all trees and shrubs which are damaged beyond recovery or removed, but were originally intended to remain.

3.03 FIELD QUALITY CONTROL

Any areas outside the Contract limit lines that are disturbed by the Contractor's Operations shall be restored at no additional cost to the Owner.

3.04 DISPOSAL OF WASTE MATERIALS

A. Burning is not permitted on Owner's property.

B. The Contractor shall, in a legal manner, dispose of waste materials in locations approved by the Project Manager or off site.

END OF SECTION

Section 02200 - 6

EARTHWORK

SECTION 02200 – EARTHWORK

PART 1 – GENERAL

1.01 DESCRIPTION OF WORK

A. This Section includes the requirements for the excavation, backfill, compaction and grading of the Project site to the lines and grades shown on the Plans and required by the

Technical Specifications. Earthwork includes, but is not limited to, the following:

1. Excavation of all material encountered to the limits shown on the Plans, including excavation and backfill for building foundations and utility trenches.

2. Hauling and disposal or stockpiling of excess excavated material to sites secured by the Contractor and approved by the Project Manager.

3. Locating and protecting existing facilities and utilities.

4. Placement and compaction of fill.

5. Grading and reshaping of grades.

6. Furnishing and installing subbase and base rock, soil and topsoil where shown on the Plans or required by the Technical Specifications.

7. Compaction of subgrade, subbase and base rock, soil and topsoil.

8. All miscellaneous items of Work required to complete the Earthwork.

1.02 DEFINITIONS

A. Excavation: Removal of material to establish subgrade elevations regardless of the type, nature, or condition of the materials encountered. Contractor shall assume full responsibility to estimate the kind and extent of the various materials to be encountered.

B. Rock Excavation: Removal of boulders having a volume of 2 cubic yards or more, solid bedrock and ledge rock that cannot be excavated or removed by dozers with rippers, but require systematic drilling and blasting or the use of pneumatic rock splitters, hammers, and wedges. If material that is classified as rock is mechanically removed with grading equipment, the volume of material removed shall be measured and paid for as common excavation.

C. Common Excavation: Removal of all material not classified as rock excavation.

D. Over Excavation: Removal of suitable material below the limits designated for

E. Site Structures: Footings, foundations, slabs, pavements or other features constructed above or below ground surfaces.

Section 02200 - 7

F. Unauthorized Excavation: Removal of materials beyond indicated subgrade elevations or dimensions without direction or approval by the Project Manager.

G. Disposal Material: Excavated material beyond the quantities required for the Project or unusable for the Project. This includes materials that are unsuitable for fill, in excess of fill quantities required, and/or contaminated.

H. Fill (embankment): Material placed immediately on top of existing ground or

I. Subgrade: Uppermost surface of an excavation or embankment.

J. Subbase: Material placed immediately on top of the subgrade only under the following conditions:

1. In all areas where unstable subgrade is present.

2. In all areas where structural fill has been placed.

3. In all areas where fill material is required as shown on the Plans.

4. Where specified in typical road section to support base rock leveling course.

K. Base Material: Material placed immediately on top of the subgrade or subbase and immediately beneath the finish surface (i.e. pavement, concrete).

L. Leveling Course: Uppermost surface of the aggregate base, usually up to 3 inches thick, used to eliminate irregularities in the contour of the aggregate base surface prior to placing asphaltic concrete or compacting the gravel driving surface.

M. Topsoil: Natural or cultivated surface soil layer containing organic matter and sand, silt, and clay particles; friable, pervious, and black or a darker shade of brown, gray, or red than underlying subsoil; reasonably free of subsoil, clay lumps, gravel, and other objects more than 2 inches in diameter; and free of subsoil and weeds, roots, toxic materials, or other non-soil materials.

1.03 QUALITY ASSURANCE

A. Codes and Standards: Comply with requirements of authorities having jurisdiction.

1.04 NOTIFICATION

A. Notify Project Manager 48 hours prior to earthwork operations requiring observation or approval.

PART 2 – MATERIALS

2.01 FILL

A. Soil – Soil shall be free of unsuitable materials or other characteristics detrimental to the construction of firm, dense, and sound embankments.

Section 02200 - 8

B. Structural Fill - Structural fill shall be an angular, hard, durable, free draining material, visibly well graded from coarse to fine with the maximum size of 3 inches.

2.02 SUBBASE ROCK

A. Combination of durable sand, gravel and cobbles which contain no particle with a dimension greater than 3 inches, and no unstable material, as approved by the Project

Manager.

B. Subbase rock under roads: fractured pit run or crushed aggregate. Maximum rock size shall be 4 inches. No more than 10 percent shall be less than 1 inch.

2.03 BASE ROCK

A. Base rock shall be 3/4 inch minus crushed rock as shown on the Plans; reasonably even graded from coarse to fine as approved by the Project Manager.

B. Road leveling course shall be 3/4 inch minus Base Aggregate and shall conform to the requirements of subsection 2630.10 of the Oregon Standard Specifications For

Construction (latest published version at the issuance of ITB).

2.04 TOPSOIL

A. Topsoil shall be a fertile, loamy, natural surface soil consisting of sands, silts, clays, and organic matter in combination and free from substances toxic to plant growth, noxious weeds, roots, refuse, sticks, and lumps as approved by the Project Manager.

PART 3 – EXECUTION

3.01 GENERAL

A. Dewater as required to perform the Work. Prevent surface, subsurface, or groundwater from entering excavations, ponding on subgrades or flooding site areas or adjacent properties

B. Slope ground away from paved areas and building site. Avoid forming pockets that will collect and retain the free flow of surface water. Divert surface water to natural drainage courses.

C. No excavation shall be left open more than 5 days unless otherwise approved by the

Project Manager.

D. All excavations left open overnight shall be fenced with wire mesh or plastic mesh fence secured to steel posts all around the excavation as approved by the Project Manager.

E. Disposal material, other than soil, sand, vegetation, and woody material, is the property of the Contractor and therefore it is the sole responsibility of the Contractor.

1. Disposal material shall be hauled off site and completely removed from the

Owner's property.

2. Surplus soil and/or sand, vegetation and woody material may be hauled and disposed of on-site a location designated by Park Manager or Project Manager.

Section 02200 - 9

3. Disposal of contaminated soil shall be in accordance with federal, state, and local laws and regulations.

F. Contractor shall conduct excavation Work in such a manner as required to protect existing trees and vegetation onsite.

G. Protect structures, utilities, pavements and other facilities from damage caused by settlement, lateral movement, undermining, erosion, and other hazards caused by earthwork operations.

H. Protect subgrades against freezing temperatures. Provide insulation to protect as necessary.

I. Provide measures to prevent erosion or displacement of soils, either by water or air, to adjacent site areas and properties.

3.02 EXCAVATION

A. Comply with local codes, ordinances and requirements of authorities having jurisdiction, including maintaining stable excavations.

B. Excavate for pavements, storm management facilities, utilities and site structures to indicated cross sections, elevations, and grades.

C. Unauthorized excavation to be corrected at Contractor’s expense, including remedial

Work directed by the Project Manager.

3.03 SUBGRADE AND SUBBASE

A. Excavation shall be carried to lines and grades shown on the Plans, and as required to accommodate specified fills (embankment), subbase rock, base rock, paving, and concrete. Any over excavation due to faulty workmanship will be brought to grade by the Contractor at their expense.

B. Grade Control - Establish and maintain the required lines and grades during construction operations. Check subgrade for conformity to design grades and sections immediately before placing structural fill, subbase and base rock.

C. Subgrade shall be free of ruts, depressions, and irregularities.

D. Subgrade Preparation – Compact excavated subgrade prior to placing fill, subbase rock and/or base rock as approved by the Project Manager. Subgrade shall be thoroughly compacted by a minimum of two passes with a mechanical type compactor to obtain 95 percent of maximum density to a depth of 1 foot below established subgrade elevation.

E. Remove any unsuitable material, found, or as directed by the Project Manager, in the subgrade and replace with a subbase material in accordance with Section 2.02 of this

Section. This mixed material layer is still classified as subgrade.

F. Fill Preparation

Section 02200 - 10

1. Soil - Place soil in nearly horizontal layers not more than 8 inches thick.

Compact each layer separately to 95 percent of maximum density.

2. Structural Fill - Place structural fill in nearly horizontal layers not more than

8 inch thick lifts for lightweight equipment and maximum 12 inch thick lifts for heavy rollers in such a manner that, when compacted, it will conform to the grades and sections shown on the Plans. Distribute and manipulate the rock pieces so that voids between larger pieces are filled with smaller pieces forming a dense and compact mass. Each layer of structural fill shall be thoroughly compacted by a minimum of two passes with a mechanical type compactor to obtain a dense mass, free of pumping. Structural fills should be compacted within about 3 percent of the optimum moisture content as determined by ASTM D698.

3. Sand – Compact onsite sand with vibratory compaction equipment that includes segmented pad or sheepsfoot rollers. Wet onsite sand as needed to achieve the required compaction, particularly during dry conditions.

G. Subbase Preparation - Place the subbase rock in nearly horizontal layers not more than 6 inches thick in such a manner that, when compacted, it will conform to the grades and sections shown on the Plans. Each 6 inch layer of subbase shall be thoroughly compacted by a minimum of two passes with a vibratory roller or a static steel wheel roller with a minimum gross weight of 8 tons to obtain 95 percent of maximum density.

3.04 BASE ROCK

A. Aggregate base shall be located under all concrete paving, cast-in-place and precast concrete slabs and where shown on Plans.

B. Excavate all existing materials to depths required for base rock under cast-in-place and precast concrete slabs and footings and where shown on Plans. Dispose of surplus excavated materials off-site in accordance with federal, state and local laws and regulations unless otherwise approved by the Project Manager.

C. Placement and Compaction - Aggregate base shall be placed in such a manner and to such depth that, when compacted, it will conform to the grades and sections shown on the

Plans.

D. Compaction - Aggregate base shall be compacted to achieve not less than 95 percent of maximum density. Add water as required to achieve required compaction.

E. Tolerance of aggregate surface: 0.04 foot.

3.05 TOPSOIL

A. Accurately and smoothly spread the topsoil over the specified areas to the thickness, grades, and slopes shown on the Plans and as directed by the Project Manager. Deposit and spread the material so that compaction of the material, as far as practical, is prevented. Do not place the material during wet conditions, which would tend to cause compaction of the material.

Section 02200 - 11

B. Finish areas covered with topsoil to proper grade and contour section. Cultivate all topsoil not in a loose and friable condition to a depth of at least 4 inches. Bring the surface to a condition ready for fertilizing and seeding operations.

3.06 BUILDINGS

A. Excavate all existing materials to depths required for foundations and base rock under floor slab and concrete walks around building.

B. Fill used around building, to slope grade, shall consist of an approved soil material placed in 8 inch loose lifts, and thoroughly compacted to 95 percent of maximum density, topped with 4 inches of approved topsoil.

C. Grade to drain away from structure as specified in the Plans. Rake and finish grade all disturbed and created areas to prevent erosion and allow for seeding by others.

3.07 GRADING

A. General:

1. Uniformly grade areas to a smooth surface, free of irregular surface changes; and to lines and elevations indicated.

2. Provide smooth transitions between proposed and existing adjacent grades or elevations.

3. Finish grades to indicated elevations within the following tolerances:

a. Vegetated or unpaved areas: 0.05 feet.

b. Paving areas: 0.05 feet.

3.08 DISPOSAL OF SURPLUS MATERIAL

A. Remove all waste material, including asphalt, concrete, pipe, trash and debris, and dispose of legally off the Owner’s site.

1. Excess native material including soil, stumps, and vegetation shall be hauled and placed on site at a location designated by Park Manager or Project Manager.

3.09 QUALITY CONTROL

A. Protect all newly graded areas from traffic, freezing and erosion.

B. Repair and re-establish grades to specified tolerances where completed or partially completed surfaces have become eroded, rutted, or settled due to subsequent construction operations or weather conditions.

Section 02220 - 12

EARTHWORK FOR UTILITIES AND VAULTS

SECTION 02220 – EARTHWORK FOR UTILITIES & VAULTS

This Work consists of trench and vault excavation, trench foundation, pipe bedding, pipe zone material, trench backfill, vault bedding, vault backfill and surface removal and replacement for utilities.

1.02 DEFINITIONS

A. Excavation is defined as the removal of all material encountered in the trench or vault site to the depths as shown, and as directed by the Project Manager.

B. Excavation shall be classified as either common or rock excavation.

1. Common excavation is defined as the removal of all material, which is not classified as rock excavation.

2. Rock Excavation is defined as:

a. Rock excavation is defined as removal of boulders having a volume of 2 cubic yards or more, solid bedrock and ledge rock which cannot be removed with a 90,000 pound class Excavator (P.C. 400 Komatsu or 235

Caterpillar or approved equal) with single shank ripper on back of bucket, which shall not be more than 36 inches in width, but which requires systematic drilling or blasting or the use of rock splitters, pneumatic hammers and wedges.

b. If material that is classified as rock is mechanically removed with grading equipment, the volume of material removed shall be measured and paid for as common excavation

c. All onsite mechanical equipment used for rock excavation shall be in excellent operating condition and operated by personnel competent to operate such machinery.

d. The removal of existing concrete and asphalt surfaces does not qualify as rock excavation.

C. Foundation is defined as the bottom of the trench or vault hole on which the pipe or vault bedding is to lay, and which provides support for the pipe or vault.

D. Pipe bedding is defined as the furnishing, placing and compacting of specified materials on the trench foundation so as to uniformly support the barrel of the pipe to the spring line.

1. The total bedding depth shall be a minimum of 6 inches below the outside bell of the pipe.

2. If belled pipe is not used, the minimum bedding depth shall be 6 inches below the outside pipe wall.

Section 02220 - 13

E. Vault bedding is defined as the furnishing, placing and compacting of specified materials on the vault hole foundation so as to uniformly support the vault at the specified elevation.

F. The pipe zone is defined as the furnishing, placing and compacting of specified materials for the full width of the trench from the top of the bedding to a point 6 inches above the top outside surface of the barrel of the pipe.

G. Trench backfill is defined as the furnishing, placing, and compacting of material in the trench, between the top of the pipe zone material and the bottom of the pavement base rock, ground surface, or surface material.

H. Vault backfill is defined as the furnishing, placing, and compacting of material between the placed vault and the walls of the vault hole. Vault backfill is above the bedding material and extends a minimum of 6 inches above the highest nonaccess portion of the vault.

I. Surface removal and replacement is defined as the removal and/or replacement of surface material such as topsoil, sod, pavement, sidewalks or gravel, which requires special consideration in order to accomplish.

PART 2 – MATERIALS

2.01 SOIL MATERIALS

A. Materials may be native or imported as specified.

B. Materials proposed for use in the Work shall not be used without the approval of the

Project Manager.

C. The subgrade supporting the foundation shall be undisturbed native material.

D. Over excavation of the foundation may be required when groundwater or other unstable conditions exist, and the native material cannot support the pipe or vault. Over excavation is the removal of additional foundation material. The excavation shall be stabilized with pipe bedding material.

E. Bedding material shall be crushed rock with a maximum size of 3/4 inch, well graded from coarse to fine.

F. Trench Backfill

1. Native backfill shall:

a. Be native onsite sand free of organics and aggregate larger than 1 inch.

b. Common material which, in the opinion of the Project Manager, meets the characteristics required for the specific surface loading or other criteria of the backfill zone.

c. Not be allowed under structures or areas located under pavement or where vehicle loading is expected to occur.

Section 02220 - 14

2. Granular backfill shall be:

a. Granular material consisting of 3/4 inch minus gravel or crushed rock meeting the requirements of Section 02630.1 of Oregon Department of

Transportation (“ODOT”) Specifications, unless otherwise designated on

Plans.

b. Used for all trenches located under pavement or where vehicle loading is expected to occur and under structures.

2.02 SURFACE REPLACEMENT

A. Topsoil shall be:

1. Friable, fertile, natural surface loam consisting of sands, silts, clays and organic matter in combination

2. Free of noxious weeds, roots, refuse, sticks, lumps, and substances toxic to plant growth.

B. All other surfacing materials to be used shall be in accordance with their respective standard specifications.

1. AC shall be plate compacted Commercial 3/4 inch minus hot mix.

2. Aggregate shall be Commercial 3/4 inch minus crushed rock.

C. Special material shall be as designated in the Contract Documents.

2.03 PIPE LOCATING WIRE

A. Pipe locating wire shall be a minimum of 18 gauge Solid Copper wire.

B. Wire shall have colored insulation, unless otherwise noted in Plans, and be of a type suitable for direct burial.

C. The external connection locations shall be at any External Valve Boxes and at convenient locations inside of buildings and structures that the pipe enters.

2.04 PIPE LOCATION TAPE

A. Pipe Location Tape shall be standard commercial Mylar tape.

B. Tape color shall be the standard underground locating color appropriate to the contents of the pipe installed.

C. Tape wording shall identify the contents of the pipe installed.

D. Pipe Location Tape shall be nonconductive unless otherwise stated on the Plans.

Section 02220 - 15

PART 3 – EXECUTION

3.01 EXCAVATION

A. Contractor shall locate and protect all existing facilities and utilities.

B. All excavation and backfill shall conform to the requirements of regulatory agencies having jurisdiction over the Work or within the work site.

C. Where clearing of the roadway corridor, utility corridor or alignment is necessary; it shall be completed prior to the start of the trenching.

D. Under no conditions shall excavated materials be permitted to cover brush or tree roots inside of tree drip line.

E. The length of open trench shall be kept to a minimum.

1. The Project Manager shall be the sole judge of the amount of trench allowed open based upon work conditions of the area.

2. In normal cases the open trench length shall not exceed 100 feet.

F. The Contractor shall excavate to the lines and grades shown, or as established, by the

Project Manager, with proper allowance for pipe or vault thickness, bedding and foundation stabilization.

1. Excavations shall be to uniform widths to provide a working clearance on each side of pipe, conduit or vault.

a. The minimum trench width in the pipe zone must provide a clear minimum working space of 4 inches outside the maximum outside diameter of the pipe.

b. Excavation for manholes and other structures shall be wide enough to provide a minimum of 12 inches between the structure surface and the sides of the excavation. Excavations must be of sufficient width to allow for shoring, permit proper joining of the pipe and placement of backfill material.

2 The top of the trench shall be confined to clearing limits. Special written agreements to extend the width may be made with the Project Manager.

3. The foundation upon which the bedding is to be placed shall be firm, undisturbed, and true to grade.

4. If the excavation goes below grade without authorization, the Contractor shall restore to grade with material of the type specified for bedding, at no expense to the Owner.

5. Bedding material shall be placed over the full width of the excavation in compacted layers not exceeding 6 inches. Refer to the Plans for the compaction requirements.

6. The Contractor shall provide the materials, labor and equipment necessary to protect excavations at all times.

Section 02220 - 16

7. The excavation protection shall provide safe working conditions in the trench or excavation and protect the Work, existing property, utilities, and pavement. The method of protection shall be according to the Contractor's design.

8. The Contractor may elect to use a combination of shoring, overbreak, tunneling, boring, sliding trench shields, or other methods of accomplishing the Work, provided the method meets with the approval of all applicable local, state, and federal safety codes.

G. Excess excavated material shall be placed at locations, and in such a manner that it does not create a hazard to pedestrian or vehicular traffic, or interfere with the function of existing drainage facilities.

H. The Contractor shall make arrangements for, and legally dispose of, all excess material not required elsewhere on the Project at a location designated by the Park Manager or

Project Manager.

I. The Contractor shall remove and dispose of or abandon existing abandoned pipe, structures, and other facilities as necessary to construct the utility line. The cost of such removal will be considered incidental to the Project.

J. When, in the judgment of the Project Manager, the existing material in the bottom of the excavation is unsuitable for supporting the pipe or vault, the Contractor shall excavate below grade, as directed. The excavated material shall be replaced with bedding material.

K. Bedding Placement:

1. The Contractor shall spread the bedding smoothly to proper grade so the pipe is uniformly supported along the barrel, and shall excavate bell holes at each joint to permit proper assembly and inspection of the joint.

2. The Contractor shall spread the bedding smoothly to proper grade so the vault is uniformly supported.

3. Bedding under the pipe or vault shall provide a firm, unyielding support.

L. Pipe zone material shall be:

1. Carefully placed around the pipe or vault, and compacted in conformance with the

Plans. If compaction is not stated on the Plans then compact to at least 90 percent

Standard Proctor Density in 6 inch lifts to at least 6 inches above the pipe crown or vault top.

2. This material shall provide complete support of the pipe or vault, and prevent deflection or damage.

3. During pipe zone placement and compaction, care shall be taken to ensure that the haunch areas below the pipe spring line are completely filled, compacted and free of voids.

4. The Contractor shall bring lifts up together on both sides of the pipe or vault.

Section 02220 - 17

M. Backfill:

1. The Contractor may elect to use clean native material excavated from the site as the backfill material in place of the specified backfill in locations noted above.

2. The Contractor shall take reasonable precautions to prevent excavated material from becoming saturated beyond the critical moisture limits, and replace any saturated native material with granular material, as specified, at no additional expense to the Owner.

3. The Contractor shall place backfill in successive lifts.

4. Backfill shall not be allowed to free-fall into the trench until at least 3 feet of cover is provided over the top of the pipes or vaults. Flooding or jetting to compact the trench backfill is not permitted.

5. The method of compaction shall be modified as necessary to protect the pipe or vault. Particular care should be taken when operating trackhoe-mounted vibratory-plate compactors to prevent damage to the newly placed utilities.

6. The Contractor shall compact each lift in conformance with the Plans. If compaction is not stated on the Plans then compact to a minimum of 95 percent of the maximum density as determined by ASTM D698 or AASHTO T 99. If the specified compaction is not obtained, the Contractor may be required to use a modified compaction procedure and/or reduce the thickness of lifts.

7. When the backfilling is complete, the Contractor shall finish the surface area as specified.

8. In paved or graveled areas the Contractor shall maintain the surface of the trench backfill level with the existing grade with 3/4 inch minus crushed aggregate material, or asphalt concrete, if directed, until final pavement replacement is completed and accepted by the Project Manager.

3.02 PIPE LOCATING WIRE

A. Pipe Locating Wire shall be centered over the pipe the wire is intended to locate.

B. Pipe Locating Wire shall not touch metallic pipes.

C. Pipe Locating Wire may touch non-metallic pipes.

D. Pipe Locating Wire shall be installed as detailed in Plans, or, if not detailed, no more than

2 inches away from the pipe.

1. Loop tracer wire up into the valve boxes, backflow preventer boxes or other convenient connection points.

2. Tracer wire shall be continuous without splices.

3.03 PIPE LOCATION TAPE

A. Pipe Location Tape shall be centered over the pipe the wire is intended to locate.

B. Pipe Locating Tape shall be installed as detailed in Plans, or, if not detailed, no closer than 12 inches above the pipe.

Section 02220 - 18

3.04 SURFACE REMOVAL AND REPLACEMENT

A. Where trenches cross landscaped areas, natural landscape areas, or other areas on which reasonable topsoil conditions exist, the Contractor shall remove the topsoil to the specified depth and place the material in a stockpile.

1. The Contractor shall not mix the topsoil with other excavated material. After the trench has been backfilled, the topsoil shall be replaced.

2. In lieu of stockpiling the topsoil, approved imported topsoil may be substituted, to a depth specified or approved, at no expense to the Owner.

3. The Contractor shall maintain the finished grade of the topsoil level with the area adjacent to the trench until final acceptance by the Project Manager, and shall repair damage to adjacent topsoil caused by Work operations.

4. The Contractor shall remove all rock, gravel, clay, and any other foreign materials from the surface, regrade and add topsoil as required.

5. Utility corridors shall be replanted or reseeded with native…