Attachment B Technical Specifications Part B.pdf

TABLE OF CONTENTS - 1

Restroom Replacement Project – Hammond, OR 97121

OPRD Fort Stevens State Park

ATTACHMENT A PART B – RESTROOM REPLACEMENT PROJECT - 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 – EXISTING CONDITIONS

02 41 16 Structure Demolition

DIVISION 03 – CONCRETE

03 10 00 Concrete Forming and Accessories 03 20 00 Concrete Reinforcing 03 30 00 Cast-in-Place Concrete

DIVISION 04 – MASONRY

04 22 00 Concrete Unit Masonry

DIVISION 05 – METALS

05 50 00 Metal Fabrications

DIVISION 06 – WOOD AND PLASTICS

06 10 00 Rough Carpentry 06 16 00 Sheathing 06 20 13 Exterior Finish Carpentry 06 40 23 Interior Architectural Woodwork

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 19 00 Water Repellants 07 21 00 Thermal Insulation 07 21 19 Foamed-in-Place Insulation 07 41 13 Standing-Seam Metal Roof Panels 07 62 00 Sheet Metal Flashing and Trim 07 81 23 Intumescent Fire Protection 07 92 00 Joint Sealants

DIVISION 08 – OPENINGS

08 11 13 Hollow Metal Doors and Frames 08 31 13 Access Doors and Frames 08 71 00 Door Hardware 08 80 00 Glazing

DIVISION 09 – FINISHES

09 29 00 Gypsum Board 09 30 00 Tiling 09 67 23 Resinous Flooring 09 91 00 Painting 09 93 00 Staining and Transparent Finishing

DIVISION 10 – SPECIALTIES

10 14 25 Identification Signage 10 28 00 Restroom Accessories 10 44 00 Fire Extinguishers

DIVISION 12 – FURNISHINGS

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

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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

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DIVISION 01 - GENERAL REQUIREMENTS

[PLEASE NOTE: Sections 01 32 33 Photographic Documentation, 01 35 73 Delegated Design Procedures, 01 42 00 References, and 01 60 00 Products under Division 01 GENERAL REQUIREMENTS will be revised by an addendum/addenda]

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.

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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.

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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.

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

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.

http://www.wicnet.org/ http://www.wsrca.com/

SECTION 01 60 00 - 1

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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.

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OPRD Fort Stevens State Park

DIVISION 02 – EXISTING CONDITIONS

SECTION 02 41 16 – STRUCTURE DEMOLITION

PART 1 - GENERAL

1.1 Section Includes:

A. Demolition and removal of buildings and site improvements.

1.2 Definitions:

A. Remove: Detach items from existing construction and dispose of them off-site unless indicated to be salvaged.

1.3 Material Ownership:

A. Unless otherwise indicated, demolition waste becomes property of Contractor.

1.4 Field Conditions:

A. Hazardous Materials: It is not expected that hazardous materials will be encountered in the Work.

1. If materials suspected of containing hazardous materials are encountered, do not disturb;

immediately notify Project Manager. Hazardous materials will be removed by Project Manager under a separate contract.

PART 2 - PRODUCTS

2.1 Performance Requirements:

A. Regulatory Requirements: Comply with governing EPA notification regulations before beginning demolition. Comply with hauling and disposal regulations of authorities having jurisdiction.

B. Standards: Comply with ANSI/ASSE A10.6 and NFPA 241.

PART 3 - EXECUTION

3.1 Examination:

A. Verify that hazardous materials, if present, have been remediated before proceeding with building demolition operations.

3.2 Preparation:

A. Refrigerant: Before starting demolition, remove refrigerant from mechanical equipment according to

40 CFR 82 and regulations of authorities having jurisdiction.

3.3 Utility Service and Mechanical/Electrical Systems.

A. Existing Utilities to be Disconnected: Locate, identify, disconnect, and seal or cap off utilities serving buildings and structures to be demolished.

1. Arrange to shut off utilities with utility companies.

2. If removal, relocation, or abandonment of utility services will affect adjacent occupied buildings or facilities, then provide temporary utilities that bypass buildings and structures to be demolished and that maintain continuity of service to other buildings and structures.

3. Cut off pipe or conduit a minimum of 24 inches below grade. Cap, valve, or plug and seal remaining portion of pipe or conduit after bypassing according to requirements of authorities having jurisdiction.

4. Do not start demolition work until utility disconnecting and sealing have been completed and verified in writing.

3.4 Protection:

A. Existing Facilities: Protect adjacent walkways and other building facilities during demolition operations. Maintain exits from existing buildings.

B. Temporary Shoring: Provide and maintain interior and exterior shoring, bracing, or structural support to preserve stability and prevent unexpected movement or collapse of construction being demolished.

1. Strengthen or add new supports when required during progress of demolition.

C. Existing Utilities to Remain: Maintain utility services to remain and protect from damage during demolition operations.

1. Do not interrupt existing utilities serving adjacent occupied or operating facilities unless authorized in writing by Owner and authorities having jurisdiction.

2. Provide temporary services during interruptions to existing utilities, as acceptable to Owner and authorities having jurisdiction.

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a. Provide at least 72 hours' notice to occupants of affected buildings if shutdown of service is required during changeover.

D. Temporary Protection: Erect temporary protection, such as walks, fences, railings, canopies, and covered passageways, where required by authorities having jurisdiction and as indicated.

1. Protect adjacent buildings and facilities from damage due to demolition activities.

2. Protect existing site improvements, appurtenances, and landscaping to remain.

3. Erect a plainly visible fence around drip line of individual trees or around perimeter drip line of groups of trees to remain.

4. Provide temporary barricades and other protection required to prevent injury to people and damage to adjacent buildings and facilities to remain.

5. Provide protection to ensure safe passage of people around building demolition area and to and from occupied portions of adjacent buildings and structures.

6. Protect walls, windows, roofs, and other adjacent exterior construction that are to remain and that are exposed to building demolition operations.

7. Erect and maintain dustproof partitions and temporary enclosures to limit dust, noise, and dirt migration to occupied portions of adjacent buildings.

E. Remove temporary barriers and protections where hazards no longer exist. Where open excavations or other hazardous conditions remain, leave temporary barriers and protections in place.

3.5 Demolition, General:

A. General: Demolish indicated buildings and site improvements completely. Use methods required to complete the Work within limitations of governing regulations and as follows:

1. Do not use cutting torches until work area is cleared of flammable materials. Maintain portable fire-suppression devices during flame-cutting operations.

2. Maintain fire watch during and for at least two (2) hours after flame-cutting operations.

3. Maintain adequate ventilation when using cutting torches.

4. Locate building demolition equipment and remove debris and materials so as not to impose excessive loads on supporting walls, floors, or framing.

B. Site Access and Temporary Controls: Conduct building demolition and debris-removal operations to ensure minimum interference with roads, streets, walks, walkways, and other adjacent occupied and used facilities.

1. Do not close or obstruct streets, walks, walkways, or other adjacent occupied or used facilities without permission from Project Manager and authorities having jurisdiction.

Provide alternate routes around closed or obstructed trafficways if required by authorities having jurisdiction.

2. Use water mist and other suitable methods to limit spread of dust and dirt. Comply with governing environmental-protection regulations. Do not use water when it may damage adjacent construction or create hazardous or objectionable conditions, such as ice, flooding, and pollution.

C. Explosives: Use of explosives is not permitted.

3.6 Demolition by Mechanical Means:

A. Proceed with demolition of structural framing members systematically, from higher to lower level.

B. Remove debris from elevated portions of the building by chute, hoist, or other device that will convey debris to grade level in a controlled descent.

C. Remove structural framing members and lower to ground by method suitable to minimize ground impact and dust generation.

D. Salvage: Items to be removed and salvaged are indicated on Drawings.

E. Below-Grade Construction: Demolish foundation walls and other below-grade construction that are within footprint of new construction and extending 5 feet outside footprint indicated for new construction. Abandon below-grade construction outside this area.

F. Existing Utilities: Abandon existing utilities and below-grade utility structures. Cut utilities flush with grade.

G. Existing Utilities: Demolish existing utilities and below-grade utility structures that are within 5 feet outside footprint indicated for new construction. Abandon utilities outside this area.

3.7 Site Restoration:

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A. Below-Grade Areas: Rough grade below-grade areas ready for further excavation or new construction.

B. Below-Grade Areas: Completely fill below-grade areas and voids resulting from building demolition operations with satisfactory soil materials.

C. Site Grading: Uniformly rough grade area of demolished construction to a smooth surface, free from irregular surface changes. Provide a smooth transition between adjacent existing grades and new grades.

3.8 Repairs:

A. Promptly repair damage to adjacent buildings caused by demolition operations.

3.9 Disposal of Demolished Materials:

A. Remove demolition waste materials from Project site and recycle or dispose of them.

1. Do not allow demolished materials to accumulate on-site.

2. Remove and transport debris in a manner that will prevent spillage on adjacent surfaces and areas.

B. Do not burn demolished materials.

3.10 Cleaning:

A. Clean adjacent structures and improvements of dust, dirt, and debris caused by building demolition operations. Return adjacent areas to condition existing before building demolition operations began.

1. Clean roadways of debris caused by debris transport.

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DIVISION 03 – CONCRETE

SECTION 03 10 00 – CONCRETE FORMING AND ACCESSORIES

PART 1 - GENERAL

1.1 Section Includes:

A. Form-facing material for cast-in-place concrete.

PART 2 - PRODUCTS

2.1 Performance Requirements:

A. Concrete Formwork: Design, engineer, erect, shore, brace, and maintain formwork, shores, and reshores in accordance with ACI 301, to support vertical, lateral, static, and dynamic loads, and construction loads that might be applied, until structure can support such loads, so that resulting concrete conforms to the required shapes, lines, and dimensions.

1. Design wood panel forms in accordance with APA's "Concrete Forming

Design/Construction Guide."

2. Design formwork to limit deflection of form-facing material to no more than 1/240 of center-to-center spacing of supports.

2.2 Manufacturers: All manufacturers and products listed in this Section establish minimum requirements for appearance, quality, utility, durability, function, and purpose, and are all considered to have the designation “or equal” associated with the manufacturer or product.

2.3 Form-Facing Materials:

A. As-Cast Surface Form-Facing Material:

1. Provide continuous, true, and smooth concrete surfaces. Furnish in largest practicable sizes to minimize number of joints.

2. Acceptable Materials: As required to comply with Surface Finish designations specified in Section 03 30 00 "Cast-In-Place Concrete, and as follows:

a. Formboard Paneling: Plyform MDO (medium density overlay) or Plywood with ‘B’ grade face (new material only). Coat with non-corrosive chemical releasing agent.

B. Concealed Surface Form-Facing Material: Lumber, plywood, metal, plastic, or another approved material.

C. Forms for Cylindrical Columns, Pedestals, and Supports: Metal, glass-fiber-reinforced plastic, paper, or fiber tubes that produce surfaces not exceeding specified formwork surface class.

D. Void Forms: Biodegradable paper surface, treated for moisture resistance, structurally sufficient to support weight of plastic concrete and other superimposed loads.

2.4 Related Materials:

A. Approved Manufacturers:

1. Dayton Superior.

2. Meadow Burke.

3. Watson Bowman.

B. Form-Release Agent: Commercially formulated form-release agent that does not bond with, stain, or adversely affect concrete surfaces and does not impair subsequent treatments of concrete surfaces.

1. Formulate form-release agent with rust inhibitor for steel form-facing materials.

2. Form release agent for form liners shall be acceptable to form liner manufacturer.

C. Form Ties: Factory-fabricated, removable or snap-off, glass-fiber-reinforced plastic or metal form ties designed to resist lateral pressure of fresh concrete on forms and to prevent spalling of concrete on removal.

1. Furnish units that leave no corrodible metal closer than 1 inch to the plane of exposed concrete surface.

2. Furnish ties that, when removed, leave holes no larger than 1 inch diameter in concrete surface.

D. Preformed Control Joints: Dayton Superior “Screed Key Joint,” or equal.

E. Contraction Joints: Dayton Superior “Screen Key Joint,” or equal.

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PART 3 - EXECUTION

3.1 Installation:

A. Comply with ACI 301.

B. Construct all formwork accurately to details, line levels and size. Adequately brace to make strong and unyielding. Install plastic cone snap ties at concrete scheduled to be exposed to view, in uniform, symmetrical pattern unless indicated otherwise on the Drawings. Place corner fillets at all exposed concrete corners.

C. Formwork surfaces scheduled to be exposed to view shall produce a surface free from surface irregularities.

D. Limit concrete surface irregularities as follows:

1. Surface Finish-1.0: ACI 117 Class D, 1 inch.

2. Surface Finish-2.0: ACI 117 Class B, 1/4 inch.

3. Surface Finish-3.0: ACI 117 Class A, 1/8 inch.

E. Construct removable forms for easy removal without hammering or prying against concrete surfaces.

F. At construction joints, overlap forms onto previously placed concrete not less than 12 inches.

G. Form openings, chases, offsets, sinkages, keyways, reglets, blocking, screeds, and bulkheads required in the Work.

H. Construction and Movement Joints:

1. Construct joints true to line with faces perpendicular to surface plane of concrete.

2. Install so strength and appearance of concrete are not impaired, at locations indicated or as approved by the Project Manager and the Architect.

3. Place joints perpendicular to main reinforcement.

4. Locate horizontal joints in walls and columns at underside of floors, slabs, beams, and girders and at the top of footings or floor slabs.

5. Space vertical joints in walls as indicated on Drawings.

a. Locate joints beside piers integral with walls, near corners, and in concealed locations where possible.

I. Place and secure anchorage devices and other embedded items required for adjoining work that is attached to or supported by cast-in-place concrete.

1. Install anchor rods, accurately located, to elevations required and complying with tolerances in Section 7.5 of AISC 303.

2. Clean embedded items immediately prior to concrete placement.

3.2 Removing and Reusing Forms:

A. Formwork for sides of beams, walls, columns, and similar parts of the Work that does not support weight of concrete may be removed after cumulatively curing at not less than 50 deg F for 12 hours after placing concrete. Concrete has to be hard enough to not be damaged by form-removal operations, and curing and protection operations need to be maintained.

1. Leave formwork for beam soffits, joists, slabs, and other structural elements that support weight of concrete in place until concrete has achieved at least 70 percent of its 28-day design compressive strength.

2. Remove forms only if shores have been arranged to permit removal of forms without loosening or disturbing shores.

B. Clean and repair surfaces of forms to be reused in the Work.

1. Split, frayed, delaminated, or otherwise damaged form-facing material are unacceptable for exposed surfaces.

2. Apply new form-release agent.

C. When forms are reused, clean surfaces, remove fins and laitance, and tighten to close joints.

1. Align and secure joints to avoid offsets.

2. Do not use patched forms for exposed concrete surfaces unless approved by Project

Manager.

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SECTION 03 20 00 – CONCRETE REINFORCING

PART 1 - GENERAL

1.1 Section includes steel reinforcement bars and welded-wire reinforcement.

1.2 Submittals: Submit shop drawings of all reinforcing steel, comply with ACI SP-066 and indicate proposed construction joint layout.

1.3 Quality Assurance, Welding Qualifications: Qualify procedures and personnel in accordance with AWS

D1.4.

PART 2 - PRODUCTS

2.1 Steel Reinforcement:

A. Reinforcing Bars: As indicated on the Drawings.

2.2 Reinforcement Accessories:

A. Joint Dowel Bars: ASTM A615/A615M, Grade 60, plain-steel bars, cut true to length with ends square and free of burrs.

B. Slab Construction Joint Dowel Devices: Steel plate dowels, ASTM A36, 1/4-inch x 4-1/2 inch, with plastic inserts.

C. Bar Supports: Bolsters, chairs, spacers, and other devices for spacing, supporting, and fastening reinforcing bars and welded-wire reinforcement in place.

1. Manufacture bar supports from steel wire, plastic, or precast concrete in accordance with

CRSI's "Manual of Standard Practice," of greater compressive strength than concrete and as follows:

a. For concrete surfaces exposed to view, where legs of wire bar supports contact forms, use CRSI Class 1 plastic-protected steel wire, all-plastic bar supports, or CRSI Class 2 stainless steel bar supports.

D. Steel Tie Wire: ASTM A1064/A1064M, annealed steel, not less than 0.0508 inch in diameter. Plain finish.

2.3 Fabricating Reinforcement: Fabricate steel reinforcement according to CRSI’s “Manual of Standard Practice.”

PART 3 - EXECUTION

3.1 Installation:

A. Detail and place concrete reinforcing steel per ACI 315 and 318, latest edition.

B. Provide concrete cover as required by General Structural Notes.

3.2 Construction Joints: Install so strength and appearance of concrete are not impaired, at locations indicated or as approved by Project Manager.

A. Place joints perpendicular to main reinforcement.

B. Continue reinforcement across construction joints unless otherwise indicated.

C. Do not continue reinforcement through sides of strip placements of floors and slabs.

D. Doweled Joints: Install dowel bars and support assemblies at joints where indicated. Lubricate or asphalt coat one-half of dowel length, to prevent concrete bonding to one side of joint.

3.3 Installation Tolerances: Comply with ACI 117.

3.4 Special Inspections: Provide any special inspections as required by Structural General Notes.

A. See Drawings for reinforcing details, further specifications and erection/fabrication information.

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SECTION 03 30 00 – CAST-IN-PLACE CONCRETE

PART 1 - GENERAL

1.1 Section includes cast-in-place concrete, including concrete materials, mixture design, placement procedures, and finishes.

1.2 Submittals:

A. Submit concrete mix design to Project Manager for review.

B. Submit product data, installation instructions, and warranty information to the Project manager for review for the following:

1. Sheet Vapor Retarder and associated accessories required for proper installation.

2. Expansion joint fillers, including manufacturer’s standard color options.

3. Concrete admixtures.

1.3 Quality Assurance, Installer Qualifications: A firm specializing in work of this Section and able to demonstrate a minimum of 5 years documented experience in successful quality work of comparable scope and quality when requested by the Project Manager.

1.4 Preconstruction Testing:

A. Preconstruction Testing Service: Engage a qualified testing agency to perform preconstruction testing on each concrete mixture.

1. Include the following information in each test report:

a. Admixture dosage rates.

b. Slump.

c. Air content.

d. Seven-day compressive strength.

e. 28-day compressive strength.

f. Permeability.

1.5 Field Conditions:

A. Cold Weather Conditions: No work shall be performed when temperature falls below 40 degrees at any time during the 24 hours. No accelerating or anti-freeze admixtures shall be used. Earth subgrade shall not be frozen.

B. Hot Weather Conditions: Concrete placed during periods of hot weather, low humidity, or high winds shall be protected from the sun and wind. Concrete shall be placed per the Portland Cement Association Bureau Bulletin ST-93, “Hot Weather Concreting” and ST-95, “Curing of Concrete.”

PART 2 - PRODUCTS

2.1 Concrete, General: All concrete materials and workmanship per ACI 301 and 318, latest edition.

2.2 Manufacturers: All manufacturers and products listed in this Section establish minimum requirements for appearance, quality, utility, durability, function, and purpose, and are all considered to have the designation “or equal” associated with the manufacturer or product.

2.3 Materials:

A. Aggregates: ASTM Spec C33 B. Cements: ASTM Spec C-150, Type I.

C. Fly Ash: Type C or F per ASTM Spec C618-08a.

D. Air Entraining Agent: ASTM C-260 E. Water Reducing Admixture: ASTM C-494.

F. Concrete Bonding Agent: Febond PVA, Weld-Crete or other approved.

G. Liquid Curing Compound: BASF Master Builders Solutions – MasterKure.

H. Water Repellant Admixture: Grace Darapel. Verify compatibility with applied dampproofing.

2.4 Sheet Vapor Retarder, Class A: ASTM E1745; not less than 15 mils thick. Include manufacturer’s recommended adhesive or pressure-sensitive tape.

A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1. Fortifiber Building Systems Group.

2. Stego Industries, LLC.

3. W.R. Meadows, Inc.

4. Or approved equal.

2.5 Curing Materials:

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A. Absorptive Cover: AASHTO M 182, Class 2, burlap cloth made from jute or kenaf, weighing approximately 9 oz./sq. yd. when dry.

B. Moisture-Retaining Cover: ASTM C171, polyethylene film burlap-polyethylene sheet.

1. Color:

a. Ambient Temperature Below 50 deg F: Black.

b. Ambient Temperature between 50 deg F and 85 deg F: Any color.

c. Ambient Temperature Above 85 deg F: White.

C. Clear, Waterborne, Membrane-Forming, Curing and Sealing Compound: ASTM C1315, Type 1, Class A.

1. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. Creteseal.

b. Dayton Superior.

c. W.R. Meadows, Inc.

d. Masco.

e. Or approved equal.

2.6 Accessories:

A. Expansion- and Isolation-Joint-Filler Strips: ASTM D1751, asphalt-saturated cellulosic fiber.

B. Semirigid Joint Filler, Normal-Duty: Two-component, semirigid, 100 percent solids, epoxy resin with a Type A shore durometer hardness of 55 in accordance with ASTM D2240.

C. Semirigid Joint Filler, Heavy-Duty: Two-component, semirigid, 100 percent solids, epoxy resin with a Type A shore durometer hardness of 80 in accordance with ASTM D2240.

D. Concrete Bonding Agent: ASTM C1059/C1059M, Type II, nonredispersible, acrylic emulsion or styrene butadiene.

2.7 Concrete Mixtures, General:

A. Prepare design mixtures for each type and strength of concrete, proportioned on the basis of laboratory trial mixture or field test data, or both, in accordance with ACI 301.

1. Use a qualified testing agency for preparing and reporting proposed mixture designs, based on laboratory trial mixtures.

B. Cementitious Materials: Limit percentage, by weight, of cementitious materials other than portland cement in concrete as follows:

1. Fly Ash or Other Pozzolans: 25 percent by mass.

2. Slag Cement: 50 percent by mass.

3. Silica Fume: 10 percent by mass.

4. Total of Fly Ash or Other Pozzolans, Slag Cement, and Silica Fume: 50 percent by mass, with fly ash or pozzolans not exceeding 25 percent by mass and silica fume not exceeding 10 percent by mass.

5. Total of Fly Ash or Other Pozzolans and Silica Fume: 35 percent by mass with fly ash or pozzolans not exceeding 25 percent by mass and silica fume not exceeding 10 percent by mass.

C. Admixtures: Use admixtures in accordance with manufacturer's written instructions.

2.8 Concrete Mixtures:

A. Normal-Weight Concrete:

1. Minimum Compressive Strength: As indicated on the Drawings.

2. Maximum w/cm: As indicated on the Drawings, except as otherwise indicated.

3. Air Content: At exterior horizontal surfaces permanently exposed to weather or where concrete flatwork may be subjected to freezing temperatures in a temporary condition: 5.0 percent, plus or minus 1.0 percent at point of delivery.

a. Air-entraining admixture shall not be used in concrete mixes for flatwork that is to receive a hard-troweled or polished concrete finish.

2.9 Concrete Mixing:

A. Ready mix concrete shall be mixed and delivered per ASTM Spec C-94, latest edition.

B. Project-Site Mixing: Measure, batch, and mix concrete materials and concrete in accordance with

ASTM C94/C94M. Mix concrete materials in appropriate drum-type batch machine mixer.

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PART 3 - EXECUTION

3.1 Installation of Sheet Vapor Retarders: Place, protect, and repair sheet vapor retarder in accordance with

ASTM E1643 and manufacturer's written instructions.

3.2 Concrete Placement: Before placing concrete, verify that installation of formwork, reinforcement, embedded items, and vapor retarder is complete and that required inspections are completed.

A. Deposit concrete continuously in one layer or in horizontal layers of such thickness that no new concrete is placed on concrete that has hardened enough to cause seams or planes of weakness.

1. If a section cannot be placed continuously, provide construction joints as indicated.

2. Consolidate placed concrete with mechanical vibrating equipment in accordance with ACI

301 (ACI 301M).

B. Deposit and consolidate concrete for floors and slabs in a continuous operation, within limits of construction joints, until placement of a panel or section is complete.

1. Slope surfaces uniformly to drains where required.

3.3 Joints:

A. Construct joints true to line, with faces perpendicular to surface plane of concrete.

B. Construction Joints: Coordinate with floor slab pattern and concrete placement sequence.

1. Install so strength and appearance of concrete are not impaired, at locations indicated on Drawings or as approved by Architect.

C. Control Joints in Slabs-on-Ground: Provide 1/8” wide x 3/4” deep control joints on slabs-on-grade at 16’-0” maximum on center unless noted otherwise on the Drawings and/or as directed by the Project Manager and the Architect, and at exterior slabs at 20’-0” on center each way maximum.

D. Isolation Joints in Slabs-on-Ground: Provide 1/2” wide x depth of slab isolation joints of asphalt impregnated fiber board at all intersections of slabs with vertical faces not doweled together (ie.

column pedestals, foundation walls, etc.).

E. Doweled Joints: Install dowel bars and support assemblies at joints where indicated on Drawings.

Lubricate or asphalt coat one half of dowel bar length to prevent concrete bonding to one side of joint. Install dowel plates at joints where indicated on Drawings.

3.4 Finishing Formed Surfaces

A. As-Cast Surface Finishes:

1. ACI 301 Surface Finish SF-1.0: As-cast concrete texture imparted by form-facing material.

a. Patch voids larger than 1-1/2 inches wide or 1/2 inch deep.

b. Remove projections larger than 1 inch.

c. Tie holes do not require patching.

d. Surface Tolerance: ACI 117 Class D.

e. Apply to concrete surfaces not exposed to public view.

B. Related Unformed Surfaces:

1. At tops of walls, horizontal offsets, and similar unformed surfaces adjacent to formed surfaces, strike off smooth and finish with a color and texture matching adjacent formed surfaces.

2. Continue final surface treatment of formed surfaces uniformly across adjacent unformed surfaces unless otherwise indicated.

3.5 Finishing Floors and Slabs:

A. Comply with ACI 302.1R recommendations for screeding, restraightening, and finishing operations for concrete surfaces. Do not wet concrete surfaces.

B. Trowel Finish:

1. After applying float finish, apply first troweling and consolidate concrete by hand or power-driven trowel.

2. Continue troweling passes and restraighten until surface is free of trowel marks and uniform in texture and appearance.

3. Grind smooth any surface defects that would telegraph through applied coatings or floor coverings.

4. Do not add water to concrete surface.

5. Do not apply hard-troweled finish to concrete, which has a total air content greater than 3 percent.

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6. Apply a trowel finish to surfaces exposed to view or to be covered with resilient flooring, carpet, ceramic or quarry tile set over a cleavage membrane, paint, or another thin-film-finish coating system.

7. Finish surfaces to the following tolerances, in accordance with ASTM E1155, for a randomly trafficked floor surface:

a. Slabs on Grade:

1) Finish and measure surface so gap at any point between concrete surface and an unleveled, freestanding, 10-ft.- long straightedge resting on two high spots and placed anywhere on the surface does not exceed 1/8 inch.

C. Trowel and Fine-Broom Finish: Apply a first trowel finish to surfaces where ceramic or quarry tile is to be installed by either thickset or thinset method. While concrete is still plastic, slightly scarify surface with a fine broom perpendicular to main traffic route.

1. Coordinate required final finish with the Project Manager and the Architect before application.

2. Comply with flatness and levelness tolerances for trowel-finished floor surfaces.

D. Broom Finish: Apply a broom finish to exterior concrete platforms, steps, ramps, and locations indicated on Drawings.

1. Immediately after float finishing, slightly roughen trafficked surface by brooming with fiber-bristle broom perpendicular to main traffic route.

2. Coordinate required final finish with the Project Manager and the Architect before application.

3.6 Installation of Miscellaneous Concrete Items

A. Filling In:

1. Fill in holes and openings left in concrete structures after Work of other trades is in place unless otherwise indicated.

2. Mix, place, and cure concrete, as specified, to blend with in-place construction.

3. Provide other miscellaneous concrete filling indicated or required to complete the Work.

3.7 Concrete Curing:

A. Curing Unformed Surfaces: Comply with ACI 308.1 as follows:

1. Begin curing immediately after finishing concrete.

2. Interior Concrete Floors:

a. Floors to Receive Resinous Flooring:

1) As soon as concrete has sufficient set to permit application without marring concrete surface, install prewetted absorptive cover over entire area of floor.

2) Rewet absorptive cover, and cover immediately with polyethylene moisture-retaining cover with edges lapped 6 inches and sealed in place.

3) Secure polyethylene moisture-retaining cover in place to prohibit air from circulating under polyethylene moisture-retaining cover.

4) Leave absorptive cover and polyethylene moisture-retaining cover in place for duration of curing period, but not less than 28 days.

3. Exterior Concrete Floors and Walks:

a. Floors to Receive Curing and Sealing Compound:

1) Apply uniformly to floors and slabs indicated in a continuous operation by power spray or roller in accordance with manufacturer’s written instructions.

2) Recoat areas subjected to heavy rainfall within three hours after initial application.

3) Repeat process 24 hours later and apply a second coat. Maintain continuity of coating and repair damage during curing period.

3.8 Field Quality Control:

A. Testing Agency: Project Manager will engage a qualified testing and inspecting agency to perform tests and inspections and to submit reports.

1. Testing agency shall be responsible for providing curing container for composite samples on Site and verifying that field-cured composite samples are cured in accordance with

ASTM C31/C31M.

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2. Testing agency shall immediately report to Project Manager, Contractor, and concrete manufacturer any failure of Work to comply with Contract Documents.

3. Testing agency shall report results of tests and inspections, in writing, to Project Manager, Contractor, and concrete manufacturer within 48 hours of inspections and tests.

a. Test reports shall include reporting requirements of ASTM C31/C31M, ASTM C39/C39M, and ACI 301.

B. Inspections: As indicated on the Drawings and as follows:

1. Headed bolts and studs.

2. Verification of use of required design mixture.

3. Concrete placement, including conveying and depositing.

4. Curing procedures and maintenance of curing temperature.

5. Verification of concrete strength before removal of shores and forms from beams and slabs.

6. Batch Plant Inspections: On a random basis, as determined by Project Manager.

C. Concrete Tests: As indicated on the Drawings and as follows:

1. When strength of field-cured cylinders is less than 85 percent of companion laboratory-cured cylinders, Contractor shall evaluate operations and provide corrective procedures for protecting and curing in-place concrete.

2. Strength of each concrete mixture will be satisfactory if every average of any three consecutive compressive-strength tests equals or exceeds specified compressive strength, and no compressive-strength test value falls below specified compressive strength by more than 500 psi if specified compressive strength is 5000 psi, or no compressive strength test value is less than 10 percent of specified compressive strength if specified compressive strength is greater than 5000 psi.

3. Nondestructive Testing: Impact hammer, sonoscope, or other nondestructive device may be permitted by Project Manager but will not be used as sole basis for approval or rejection of concrete.

4. Additional Tests:

a. Testing and inspecting agency shall make additional tests of concrete when test results indicate that slump, air entrainment, compressive strengths, or other requirements have not been met, as directed by Project Manager.

b. Testing and inspecting agency may conduct tests to determine adequacy of concrete by cored cylinders complying with ASTM C42/C42M or by other methods as directed by Project Manager.

1) Acceptance criteria for concrete strength shall be in accordance with

ACI 301 section 1.6.6.3.

5. Additional testing and inspecting, at Contractor's expense, will be performed to determine compliance of replaced or additional work with specified requirements.

6. Correct deficiencies in the Work that test reports and inspections indicate do not comply with the Contract Documents.

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DIVISION 04 – MASONRY

SECTION 04 22 00 – CONCRETE UNIT MASONRY

PART 1 - GENERAL

1.1 Section Includes:

A. Concrete masonry units.

B. Mortar and grout.

C. Steel reinforcing bars.

D. Precast concrete pier caps.

1.2 Submittals:

A. Product Data: Submit product data for masonry units. Submit mortar and grout mix design to

Project Manager and Architect for review.

B. Shop Drawings: For the following:

1. Masonry Units: Show sizes, profiles, coursing, and locations of special shapes.

2. Reinforcing Steel: Detail bending, lap lengths, and placement of unit masonry reinforcing bars. Comply with ACI 315.

PART 2 - PRODUCTS

2.1 Performance Requirements: Provide structural unit masonry that develops indicated net-area compressive strengths at 28 days.

A. Determine net-area compressive strength of masonry per method indicated on the Drawings.

2.2 Materials:

A. CMUs: ASTM C90.

1. Unit Compressive Strength: As indicated on the Drawings.

2. Density Classification: As indicated on the Drawings.

3. Manufacturer, Size, Color, As indicated on the Drawings.

4. Finish: Comply with Section 07 19 00 “Water Repellents.”

B. Mortar: Type S per ASTM C270, with proportion by volume per manufacturer’s recommendations to reach required compressive strength of 1,800 psi at 28 days.

C. Grout: Shall conform to ASTM C476, with proportion by volume per manufacturer’s recommendations to reach minimum required compressive strength of 2,000 psi at 28 days.

D. Admixture: Water reducing admixture as indicated on the Drawings.

E. Reinforcing Steel and Weldable Rebar: As indicated on the Drawings.

F. Masonry Anchors: See Structural Drawings.

G. Precast Concrete Pier Caps: Provide unit types as indicated on Drawings.

H. Preformed Control-Joint Gaskets: Made from styrene-butadiene-rubber compound, complying with

ASTM D2000, Designation M2AA-805 and designed to fit standard sash block and to maintain lateral stability in masonry wall; size and configuration as indicated.

I. Masonry Cleaner: Prosoco, SureKlean, Custom Masonry Cleaner, or approved equal.

PART 3 - EXECUTION

3.1 Installation of Masonry:

A. Installation shall be per IBC Chapter 2104. Grout walls as indicated on the Structural Drawings.

B. Lay up all walls in running bond, plumb, level and true to the lines and dimensions shown on the

Drawings.

C. Dampening: Store all masonry on the job site so that they are kept off the ground and protected from the rain. Wetting units shall not be permitted, except then hot and dry weather cause units to be warm to the touch.

D. Laying Up: Place all units in mortar with full shoved bed and head joints: 1/2 inch to 5/8 inch. Align all vertical cells to maintain a clear, unobstructed system of flues. Hold racking to an absolute minimum. No block shall be laid when temperatures are below 40 degrees F. Do not build on work having a film of water or frost on its surfaces. Protect green masonry from freezing or inclement weather. Keep exposed faces of block free from mortar. Clean block after wall is complete.

E. Flashing: Place flashing on clean smooth surface preventing puncture. Place through-wall flashing on a bed of mortar, then cover with mortar.

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F. Weeps: Provide weep holes in head joints and first course immediately above flashing.