4. Project Specifications.pdf

Meeks Barracks Foundation CONCRETE FORMWORK

Printed April 22, 2024 03100-1

SECTION 03100 CONCRETE FORMWORK

PART 1 - GENERAL

1.01 SECTION INCLUDES

A. Formwork for cast-in place concrete, with shoring, bracing and anchorage.

B. Openings for other work.

C. Form accessories.

D. Form stripping.

1.02 RELATED SECTIONS

A. Section 03200 - Concrete Reinforcement.

B. Section 03300 - Cast-in-Place Concrete.

1.03 REFERENCES

A. ACI 301 - Structural Concrete for Buildings.

B. ACI 318 - Building Code Requirements for Reinforced Concrete.

C. ACI 347 - Recommended Practice For Concrete Formwork.

D. PS 1 - Construction and Industrial Plywood.

1.04 DESIGN REQUIREMENTS

A. Design, engineer and construct formwork, shoring and bracing to conform to code requirements; resultant concrete to conform to required shape, line and dimension.

1.05 QUALITY ASSURANCE

A. Perform Work in accordance with ACI 347 and 301 standards.

PART 2 - MATERIALS

2.01 WOOD FORM MATERIALS

A. Plywood: Douglas Fir species; medium density overlaid one side; sound undamaged sheets with clean, true edges.

B. Lumber: True and sound.

2.02 FORMWORK ACCESSORIES

A. Form Ties: Snap-off type, galvanized metal, fixed length, cone type, 1 inch back break dimension, free of defects that could leave holes larger than 1 inch in concrete surface.

B. Form Release Agent: Colorless mineral oil which will not stain concrete, or absorb moisture.

C. Corners: Chamfered, wood strip type; 3/4 x 3/4 inch size; maximum possible lengths.

Printed April 22, 2024 03100-2

D. Nails, Spikes, Lag Bolts, Through Bolts, Anchorages: Sized as required, of sufficient strength and character to maintain formwork in place while placing concrete.

PART 3 - EXECUTION

3.01 EXAMINATION

A. Verify lines, levels and centers before proceeding with formwork. Ensure that dimensions agree with drawings.

3.02 EARTH FORMS

A. Earth forms are not permitted.

3.03 ERECTION - FORMWORK

A. Erect formwork, shoring and bracing to achieve design requirements, in accordance with requirements of

ACI 301.

B. Provide bracing to ensure stability of formwork. Shore or strengthen formwork subject to overstressing by construction loads.

C. Arrange and assemble formwork to permit dismantling and stripping. Do not damage concrete during stripping. Permit removal of remaining principal shores.

D. Align joints and make watertight. Keep form joints to a minimum.

E. Obtain approval before framing openings in structural members which are not indicated on

Drawings.

F. Provide chamfer strips on external corners of walls.

G. Coordinate this section with other sections of work which require attachment of components to formwork.

Top of forms shall be at finish grade for inspection purposes.

H. If formwork is placed after reinforcement resulting in insufficient concrete cover over reinforcement before proceeding, request instructions from Engineer, thru Contracting Officer.

3.04 APPLICATION - FORM RELEASE AGENT

A. Apply form release agent on formwork in accordance with manufacturer's recommendations.

B. Apply prior to placement of reinforcing steel, anchoring devices, and embedded items.

C. Do not apply form release agent where concrete surfaces will receive applied coverings which are affected by agent. Soak inside surfaces of untreated forms with clean water. Keep surfaces coated prior to placement of concrete.

3.05 INSERTS, EMBEDDED PARTS, AND OPENINGS

A. Provide formed openings where required for items to be embedded in passing through concrete work.

B. Locate and set in place items which will be cast directly into concrete.

C. Coordinate with work of other sections in forming and placing openings, slots, sleeves, bolts, anchors, other inserts, and components of other Work.

D. Provide temporary ports or openings in formwork where required to facilitate cleaning and inspection.

Locate openings at bottom of forms to allow flushing water to drain.

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E. Close temporary openings with tight fitting panels, flush with inside face of forms, and neatly fitted so joints will not be apparent in exposed concrete surfaces.

3.06 FORM CLEANING

A. Clean forms as erection proceeds, to remove foreign matter within forms.

B. Clean formed cavities of debris prior to placing concrete.

C. Flush with water or use compressed air to remove remaining foreign matter. Ensure that water and debris drain to exterior through clean-out ports.

D. During cold weather, remove ice and snow from within forms. Do not use de-icing salts. Do not use water to clean out forms, unless formwork and concrete construction proceed within heated enclosure. Use compressed air or other means to remove foreign matter.

3.07 FORMWORK TOLERANCES

A. Construct formwork to maintain tolerances required by ACI 301.

3.08 FIELD QUALITY CONTROL

A. Inspect erected formwork, shoring, and bracing to ensure that work is in accordance with formwork design, and that supports, fastenings, wedges, ties, and items are secure.

B. Do not reuse wood formwork more than 2 times for concrete surfaces to be exposed to view. Do not patch formwork.

3.09 FORM REMOVAL

A. Do not remove forms or bracing until concrete has gained sufficient strength to carry its own weight and imposed loads.

B. Loosen forms carefully. Do not wedge pry bars, hammers, or tools against finish concrete surfaces scheduled for exposure to view.

C. Store removed forms in manner that surfaces to be in contact with fresh concrete will not be damaged.

Discard damaged forms.

END OF SECTION

Meeks Barracks Foundation CONCRETE REINFORCEMENT Printed April 22, 2024 03200-1

SECTION 03200 CONCRETE REINFORCEMENT

PART 1 - GENERAL

1.01 SECTION INCLUDES

A. Reinforcing steel bars, wire fabric and accessories for cast-in-place concrete.

1.02 RELATED SECTIONS

A. Section 03100 - Concrete Formwork.

B. Section 03300 - Cast-in-Place Concrete.

1.03 REFERENCES

A. ACI 301 - Structural Concrete for Buildings.

B. ACI 318 - Building Code Requirements For Reinforced Concrete.

C. ACI SP-66 - American Concrete Institute - Detailing Manual.

D. ASTM A82 - Cold Drawn Steel Wire for Concrete Reinforcement.

E. ASTM A185 - Welded Steel Wire Fabric for Concrete Reinforcement.

F. ASTM A615 - Deformed and Plain Billet Steel Bars for Concrete Reinforcement.

G. AWS D1.4 - Structural Welding Code for Reinforcing Steel.

H. CRSI - Concrete Reinforcing Steel Institute - Manual of Practice.

I. CRSI 63 - Recommended Practice For Placing Reinforcing Bars.

J. CRSI 65 - Recommended Practice For Placing Bar Supports, Specifications and Nomenclature.

1.04 SUBMITTALS FOR REVIEW

A. Section 01300 - Submittals: Procedures for submittals.

B. Shop Drawings: Indicate bar sizes, spacings, locations, and quantities of reinforcing steel, bending and cutting schedules, and supporting.

1.05 SUBMITTALS FOR INFORMATION

A. Section 01300 - Submittals: Procedures for submittals.

B. Manufacturer's Certificate: Certify that products meet or exceed specified requirements.

C. Submit certified copies of mill test report of reinforcement materials analysis.

1.06 QUALITY ASSURANCE

A. Perform Work in accordance with ACI 301 and ACI SP-66.

Printed April 22, 2024 03200-2

PART 2 - PRODUCTS

2.01 REINFORCEMENT

A. Reinforcing Steel: ASTM A615, 60 ksi yield grade; [plain] deformed billet steel bars.

B. Welded Steel Wire Fabric: ASTM A185 Plain Type; in flat sheets; galvanized in accordance with ASTM

A767, Class I finish.

2.02 ACCESSORIES

A. Tie Wire: Minimum 16 gauge.

B. Chairs, Bolsters, Bar Supports, Spacers: Sized and shaped for strength and support of reinforcement during concrete placement conditions including load bearing pad on bottom to prevent vapor barrier puncture.

C. Special Chairs, Bolsters, Bar Supports, and Spacers Adjacent to Weather Exposed Concrete Surfaces:

Stainless steel type; size and shape as required.

2.03 FABRICATION

A. Fabricate concrete reinforcing in accordance with ACI SP-66.

B. Locate reinforcing splices not indicated on drawings, at point of minimum stress. Review location of splices with Contracting Officer.

PART 3 - EXECUTION

3.01 PLACEMENT

A. Place, support and secure reinforcement against displacement. Do not deviate from required position.

B. Do not displace or damage vapor barrier.

C. Accommodate placement of formed openings.

D. Maintain concrete cover around reinforcing as follows:

Item Coverage Walls 2 inch Footings and Concrete Formed Against Earth 3 inch Slabs on Grade 3 inch

E. No welding of reinforcing steel bar will be allowed.

3.02 DELIVERY, STORAGE, AND HANDLING

A Deliver material to site at such intervals to ensure uninterrupted progress of work.

B. Deliver anchor bolts and anchorage devices, which are to be embedded in cast-in-place concrete in ample time to not delay work.

C. Store materials to permit easy access for inspection and identification. Keep steel members off ground by using pallets, platforms, or other supports. Protect steel members and packaged materials from erosion and deterioration. If bolts and nuts become dry or rusty, clean and re-lubricate before use.

Printed April 22, 2024 03200-3

1) Do not store materials on structures in a manner that might cause distortion or damage to members or supporting structures. Repair or replace damaged materials and identification. Keep steel members off ground by using pallets, platforms, or other supports. Protect steel members and packaged materials from erosion and deterioration. If bolts and nuts become dry or rusty, clean and re-lubricate before use.

3.03 FIELD QUALITY CONTROL

A. Forest Service will inspect for acceptability.

Meeks Barracks Foundation CAST-IN-PLACE CONCRETE Printed April 22, 2024 03300-1

SECTION 03300 CAST-IN-PLACE CONCRETE

PART 1 - GENERAL

1.01 SECTION INCLUDES

A. Cast-in-place concrete foundation walls.

B. Floors and slabs on grade.

1.02 RELATED SECTIONS

A. Section 03100 - Concrete Formwork: Formwork and accessories.

B. Section 03200 - Concrete Reinforcement.

C. Section 03366 – Chemically Stained Concrete Floor

1.03 REFERENCES

A. ACI 211.1 - Selecting Proportions for Normal, Heavyweight, and Mass Concrete.

B. ACI 301 - Structural Concrete for Buildings.

C. ACI 302 - Guide for Concrete Floor and Slab Construction.

D. ACI 304 - Recommended Practice for Measuring, Mixing, Transporting and Placing Concrete.

E. ACI 305R - Hot Weather Concreting.

F. ACI 306R - Cold Weather Concreting.

G. ACI 308 - Standard Practice for Curing Concrete.

H. ACI 318 - Building Code Requirements for Reinforced Concrete.

I. ASTM C33 - Concrete Aggregates.

J. ASTM C94 - Ready-Mixed Concrete.

J. ASTM C150 - Portland Cement.

L. ASTM C171 - Sheet Materials for Curing Concrete

M. ASTM C260 - Air Entraining Admixtures for Concrete.

N. ASTM C494 - Chemical Admixtures for Concrete.

O. ASTM C618 - Fly Ash and Raw or Calcinated Natural Pozzolan for Use as a Mineral Admixture in Portland

Cement Concrete.

P. ASTM D994 - Preformed Expansion Joint Filler for Concrete (Bituminous Type).

Q. ASTM D1190 - Concrete Joint Sealer, Hot-Poured Elastic Type.

Printed April 22, 2024 03300-2

1.04 SUBMITTALS FOR REVIEW

A. Section 01300 - Submittals: Procedures for submittals.

B. Product Data: Provide data on joint devices, and admixtures.

1.05 SUBMITTALS AT PROJECT CLOSEOUT

A. Section 01300 - Contract Closeout: Procedures for submittals.

B. Accurately record actual locations of embedded utilities and components that are concealed from view.

1.06 QUALITY ASSURANCE

A. Perform Work in accordance with ACI 301.

B. Acquire cement and aggregate from same source for all work.

C. Conform to ACI 305R when concreting during hot weather.

D. Conform to ACI 306R when concreting during cold weather.

PART 2 - PRODUCTS

2.01 CONCRETE MATERIALS

A. Cement: ASTM C150, Type II - Portland type.

B. Fine and Coarse Aggregates: ASTM C33.

C. Water: Clean and not detrimental to concrete.

D. Fibermesh: MONOFILAMENT fibers, meet or exceed ASTM-C1116 guidelines

2.02 ADMIXTURES

A. Chemical: ASTM C494.

B. Fly Ash: ASTM C618.

2.03 ACCESSORIES

A. Non-Shrink Grout: Premixed compound consisting of non-metallic aggregate, cement, water reducing and plasticizing agents; capable of developing minimum compressive strength of 2400 psi in 48 hours and 7,000 psi in 28 days.

2.04 JOINT DEVICES AND FILLER MATERIALS

A. Joint Filler Type A: ASTM D1751; Asphalt impregnated fiberboard or felt, ½ inch thick; tongue and groove profile.

2.05. VAPOR BARRIER

A. Vapor Barrier must be per ASTM E 1745 Class A (Plastics)

B. Vapor Retarding Seam Tape: Water Vapor Transmission Rate ASTM E 96 0.3 perms or lower.

Printed April 22, 2024 03300-3

2.06 CONCRETE MIX

A. Mix concrete in accordance with ACI 304. Deliver concrete in accordance with ASTM C94.

B. Select proportions for normal weight concrete in accordance with ACI 301 Method 2.

C. Provide concrete to the following criteria:

Unit Measurement Compressive Strength (28 day) 3000 psi Water/Cement Ratio (maximum) 0.45 Aggregate Size (maximum) 1½ inch Slump (maximum) 4 inches Air entrainment percentage 4% +/- 1% (6% in areas subject to freeze/thaw) Fibermesh Per manuf. recommendations Curing Per concrete stain manuf. recomm.

D. Use accelerating admixtures in cold weather only when approved by Contracting Officer. Use of admixtures will not relax cold weather placement requirements.

E. Do not use calcium chloride.

F. Use set retarding admixtures during hot weather only when approved by Contracting Officer.

G. Add air-entraining agent to normal weight concrete mix for all concrete work. Liquid air entrainment admixture shall be added at the project site, and proportioned and mixed per manufacturer’s recommendations.

3.01 EXAMINATION

A. Verify site conditions under provisions of Section 01039.

B. Verify requirements for concrete cover over reinforcement.

C. Verify that anchors, seats, plates, reinforcement and other items to be cast into concrete are accurately placed, positioned securely, and will not cause hardship in placing concrete.

3.02 PREPARATION

A. Prepare previously placed concrete by cleaning with steel brush and applying bonding agent in accordance with manufacturer's instructions.

B. In locations where new concrete is dowelled to existing work, drill holes in existing concrete, insert steel dowels and pack solid with non-shrink grout.

C. Coordinate the placement of joint devices with erection of concrete formwork and placement of form accessories.

3.03 PLACING CONCRETE

A. Place concrete in accordance with ACI 301.

B. Notify Contracting Officer’s Representative minimum 24 hours prior to commencement of operations.

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C. Ensure reinforcement, inserts, embedded parts, formed expansion and contraction joints are not disturbed during concrete placement.

D. Separate slabs on grade from vertical surfaces with ½ inch thick joint filler.

E. Install Vapor Barrier with long direction parallel to direction of pour. Lap seams 6” and seal with tape.

F. Extend joint filler from bottom of slab to within ¼ inch of finished slab surface. Conform to Section 07900 for finish joint sealer requirements.

G. Maintain records of concrete placement. Record date, location, quantity, air temperature, and test samples taken.

H. Place concrete continuously between predetermined expansion, control, and construction joints.

I. Do not interrupt successive placement; do not permit cold joints to occur.

J. Place floor slabs in checkerboard or saw cut pattern indicated.

K. Saw cut joints within 24 hours after placing. Use 3/16 inch thick blade, cut into 1/4 depth of slab thickness.

L. Screed slabs on grade level, maintaining surface flatness of maximum 1/4 inch in 10 ft.

3.04 CONCRETE FINISHING

A. Provide formed concrete walls with smooth rubbed finish.

B. Finish concrete floor surfaces in accordance with ACI 301.

C. Steel trowel interior floor surfaces scheduled to be exposed. Broom finish exterior.

3.05 CURING AND PROTECTION

A. Immediately after placement, protect concrete from premature drying, excessively hot or cold temperatures, and mechanical injury.

B. Maintain concrete with minimal moisture loss at relatively constant temperature for period necessary for hydration of cement and hardening of concrete.

C. Cure floor surfaces in accordance with ACI 308. Upon consultation with concrete stain manufacturer and applicator.

3.06 FIELD QUALITY CONTROL

A. Provide free access to Work and cooperate with appointed firm.

B. Submit proposed mix design of each class of concrete to Contracting Officer for review prior to commencement of Work.

C. Tests of cement and aggregates may be performed to ensure conformance with specified requirements.

D. Three concrete test cylinders will be taken for every truckload of concrete placed. One cylinder will be tested at 7 days and two will be tested at 28 days, cured and tested per ASTM standards.

Printed April 22, 2024 03300-5

E. One additional test cylinder will be taken during cold weather concreting, cured on job site under same conditions as concrete it represents.

F. One slump test and one air test will be taken for each set of test cylinders taken.

G. Provide copies of batch tickets to the Contracting Officer for each load of concrete delivered. Batch tickets will identify the plant, batch time and date, mix design, maximum allowable water added at site, quantity, arrival time, driver and truck number. The contractor will document the location of each concrete pour and correlate with batch tickets and cylinders molded for the pour.

3.07 PATCHING

A. Allow Contracting Officer’s Representative to inspect concrete surfaces immediately upon removal of forms.

B. Honeycomb or embedded debris in concrete is not acceptable. Notify Contracting Officer upon discovery.

C. Patch imperfections as directed.

3.08 DEFECTIVE CONCRETE

A. Defective Concrete: Concrete not conforming to required lines, details, dimensions, tolerances or specified requirements.

B. Repair or replacement of defective concrete will be determined by the Contracting Officer.

C. Do not patch, fill, touch-up, repair, or replace exposed concrete except upon direction of Contracting Officer for each individual area.

Meeks Barracks Foundation ROUGH CARPENTRY Printed April 22, 2024 06100-1

SECTION 06100 ROUGH CARPENTRY

PART 1 - GENERAL

1.01 SCOPE

A. The scope of this Section includes the following:

1) Framing with dimension lumber.

2) Framing with engineered wood products.

3) Framing with timbers.

4) Wood nailers, and blocking.

5) Sheathing.

B. Related Sections: The following Sections contain requirements that relate to this Section:

1) Division 6 Section "Prefabricated Metal-Plate-Connected Wood Trusses."

2) Division 6 Section "Finish Carpentry" for nonstructural carpentry items exposed to view and not specified in another Section.

1.02 DEFINITIONS

A. Rough carpentry includes carpentry work not specified as part of other Sections and generally not exposed, unless otherwise specified.

1.03 SUBMITTALS

A. General: Submit the following in accordance with Specification Section 1300 – Shop Drawings and

Submittals.

B. Wood treatment data as follows including chemical treatment manufacturer's instructions for handling, storing, installation, and finishing of treated material:

1) For each type of preservative treated wood product include certification by treating plant stating type of preservative solution and pressure process used, net amount of preservative retained, and compliance with applicable standards.

2) For water-borne treated products include statement that moisture content of treated materials was reduced to levels indicated prior to shipment to project site.

1.04 DELIVERY, STORAGE, AND HANDLING

A. Delivery and Storage: Keep materials under cover and dry. Protect against exposure to weather and contact with damp or wet surfaces. Stack lumber as well as plywood and other panels; provide for air circulation within and around stacks and under temporary coverings including polyethylene and similar materials.

1) For lumber and plywood pressure treated with waterborne chemicals, place spacers between each bundle to provide air circulation.

1.05 QUALITY CONTROL

A. Codes and Standards

1) International Building Code, 2006 edition.

2) Industry Standards

a) WCLIB Standard Grading Rules No. 16, for Lumber.

b) WWPA Western Lumber Grading Rules.

c) U.S. Bureau of Standards PS-1, for plywood.

d) Redwood Inspection Service Standard Specifications.

Printed April 22, 2024 06100-2

B. Quality of products and installation shall conform to codes and standards referenced above, as applicable.

C. Moisture Content: Air-dry untreated lumber, with sticking both horizontally and vertically, for not less than 30 days prior to installation. Kiln-dry treated lumber to 19 percent moisture content.

D. Grade Stamps: All lumber and plywood shall be grade-stamped.

PART 2 - PRODUCTS

2.01 LUMBER, GENERAL

A. Lumber Standards: Furnish lumber manufactured to comply with PS 20 "American Softwood Lumber

Standard" and with applicable grading rules of inspection agencies certified by American Lumber Standards Committee's (ALSC) Board of Review.

B. Inspection Agencies: Inspection agencies and the abbreviations used to reference them with lumber grades and species include the following:

1) RIS – Redwood Inspection Service

2) WCLIB - West Coast Lumber Inspection Bureau.

3) WWPA - Western Wood Products Association.

C. Grade Stamps: Provide lumber with each piece factory-marked with grade stamp of inspection agency evidencing compliance with grading rule requirements and identifying grading agency, grade, species, moisture content at time of surfacing, and mill.

D. Nominal sizes are indicated, except as shown by detail dimensions. Provide actual sizes as required by PS

20, for moisture content specified for each use.

1) Provide dressed lumber, S4S, unless otherwise indicated.

2) Provide seasoned lumber with 19 percent maximum moisture content at time of dressing and shipment for sizes 2 inches or less in nominal thickness, unless otherwise indicated.

2.02 DIMENSION LUMBER

A. All dimension lumber shall be graded as indicated on the drawings.

B. Sill plates in contact with concrete shall be pressure treated Hem/Fir per Structural Drawings.

2.03 MISCELLANEOUS LUMBER

A. General: Provide lumber for support or attachment of other construction including cant strips, bucks, nailers, blocking, furring, grounds, stripping, and similar members.

B. Fabricate miscellaneous lumber from dimension lumber of sizes indicated and into shapes shown.

C. Moisture content: 19 percent maximum for lumber items not specified to receive wood preservative treatment.

D. Grade: "Standard" grade light-framing-size lumber of any species or board-size lumber as required. "No. 3

Common" or "Standard" grade boards per WCLIB or WWPA rules or "No. 2 Boards" per SPIB rules.

Verify with SD.

2.04 CONSTRUCTION PANELS, (PLYWOOD), GENERAL

A. Construction Panel Standards: Comply with PS 1 "U.S. Product Standard for Construction and Industrial

Plywood" for plywood construction panels and, for products not manufactured under PS 1 provisions, with

APA PRP-108.

Printed April 22, 2024 06100-3

B. Trademark: Furnish construction panels that are each factory-marked with APA trademark evidencing compliance with grade requirements.

C. Radiant Barriers: Roof sheathing and panels covering gable end walls in attics shall contain a radiant barrier applied to the inside face. The emissivity of the radiant barrier shall not exceed 0.05 according to ASTM text method C-1371-97. The product and installation shall meet all the requirements for radiant barriers contained in the Building Energy Efficiency Standards, California Title 24.

2.05 CONCEALED PERFORMANCE-RATED CONSTRUCTION PANELS

A. General: Where construction panels are indicated for the following concealed types of applications, provide APA Performance-Rated Panels complying with requirements designated under each application for grade designation, span rating, exposure durability classification, edge detail (where applicable), and thickness.

B. Trademarks: Factory-mark each construction panel with APA trademark evidencing compliance with grade requirements.

C. Structural Plywood for roof and wall sheathing shall be as indicated in the Structural Drawings.

2.06 CONSTRUCTION PANELS FOR BACKING

A. Plywood Backing Panels: For mounting electrical or telephone equipment, provide fire-retardant-treated plywood panels with grade designation, APA C-D PLUGGED EXPOSURE 1, in thickness indicated, or, if not otherwise indicated, not less than 15/32 inch.

2.07 AIR INFILTRATION BARRIER

A. Asphalt-saturated organic felt complying with ASTM D 226, Type I (No. 15 asphalt felt), un-perforated.

2.08 FASTENERS

A. General: Provide fasteners of size and type indicated that comply with requirements specified in this article for material and manufacturer.

1) Where rough carpentry is pressure treated, exposed to weather, in ground contact, or in area of high relative humidity, provide fasteners with a hot-dip zinc coating per ASTM A 153 or of AISI Type 304 stainless steel.

B. Nails, Wire, Brads, and Staples: FS FF-N-105.

C. Power Driven Fasteners: National Evaluation Report NER-272.

D. Wood Screws: ANSI B18.6.1.

E. Lag Bolts: ANSI B18.2.1.

F. Bolts: Steel bolts complying with ASTM A 307, Grade A, with ASTM A 563 hex nuts and where indicated, flat washers.

2.09 METAL FRAMING ANCHORS

A. General: Provide metal framing anchors of type, size, metal, and finish indicated that comply with requirements specified including the following:

1) Current Evaluation/Research Reports: Provide products for which model code evaluation/research reports exist that are acceptable to authorities having jurisdiction and that evidence compliance of metal framing anchors for application indicated with the building code in effect for this Project.

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2) Allowable Design Loads: Provide products for which manufacturer publishes allowable design loads that are determined from empirical data or by rational engineering analysis and that are demonstrated by comprehensive testing performed by a qualified independent testing laboratory.

B. Galvanized Steel Sheet: Steel sheet zinc-coated by hot-dip process on continuous lines prior to fabrication to comply with ASTM A 525 for Coating Designation G60 and with ASTM A 446, Grade A (structural quality); ASTM A 526 (commercial quality); or ASTM A 527 (lock-forming quality); as standard with manufacturer for type of anchor indicated.

1) Use galvanized steel framing anchors for rough carpentry exposed to weather, in ground contact, or in area of high relative humidity, and where indicated.

2.10 MISCELLANEOUS MATERIALS

A. Water Repellent Preservative: NWWDA-tested and -accepted formulation containing 3-iodo-2-propynyl butyl carbonate (IPBC) as its active ingredient.

2.11 PRESERVATIVE WOOD TREATMENT BY PRESSURE PROCESS

A. General: Where lumber or plywood is indicated as preservative-treated wood or is specified herein to be treated, comply with applicable requirements of AWPA Standards C2 (Lumber) and C9 (Plywood). Mark each treated item with the AWPB Quality Mark Requirements.

B. Pressure-treat above-ground items with water-borne preservatives to a minimum retention of 0.25 pcf. For interior uses, after treatment, kiln-dry lumber and plywood to a maximum moisture content, respectively, of 19 percent and 15 percent. Treat indicated items and the following:

1) Wood cants, nailers, curbs, equipment support bases, blocking, stripping, and similar members in connection with roofing, flashing, vapor barriers, and waterproofing.

2) Wood sills, sleepers, blocking, furring, stripping, and similar concealed members in contact with masonry or concrete.

C. Complete fabrication of treated items prior to treatment, where possible. If cut after treatment, coat cut surfaces to comply with AWPA M4. Inspect each piece of lumber or plywood after drying and discard damaged or defective pieces.

3.01 INSTALLATION AND WORKMANSHIP, GENERAL

A. Members shall be accurately cut to required dimensions and shall be firmly secured with metal connectors true to the lines, levels, and dimensions indicated, all in accordance with the UBC.

B. Where there is a significant variation in moisture content between individual members, shrinkage shall be allowed for and final connections shall not be made until moisture content of adjacent members has been stabilized. Allow no construction over framing members until final connections and/or adjustments have been made to achieve maximum strength at connections and minimum future movement from shrinkage or expansion.

C. Discard units of material with defects that impair quality of rough carpentry construction and that are too small to use in fabricating rough carpentry with minimum joints or optimum joint arrangement.

D. Fit rough carpentry to other construction; scribe and cope as required for accurate fit. Correlate location of furring, nailers, blocking, grounds, and similar supports to allow attachment of other construction.

E. Securely attach rough carpentry work to substrate by anchoring and fastening as indicated.

F. Bore bolt holes true to line and of 1/16 inch greater diameter than bolts. Drive bolts into place with a tight fit and provide with plates or washers as indicated on the Drawings. Turn up and make tight all nuts, bolts, Printed April 22, 2024 06100-5 and lag screws at time of installation and again just before enclosed with other fixed materials, or at the completion of the work, to ensure that shrinkage has been overcome and the fastenings are tight.

G. No lubricant of any kind shall be used on any fastener depending on friction for holding.

H. Screws shall not be driven by hammering.

I. Countersink nail heads on exposed carpentry work and fill holes.

J. Use common wire nails, unless otherwise indicated. Use finishing nails for finish work. Select fasteners of size that will not penetrate members where opposite side will be exposed to view or will receive finish materials. Make tight connections between members. Install fasteners without splitting of wood; predrill as required.

K. Members (other than all heart Redwood) which are in contact with concrete exposed to weather, shall be treated a distance of 2'-0" along their length from point of contact with two flowing coats of 5% Pentachlorophenol (or copper napthenate solution, if not to be stained).

L. Coordinate installation of open web trusses, glue laminated beams, plate connected wood trusses.

M. Tolerances:

1) Framing Members: 1/4 inch maximum from true position.

2) Surface Flatness of Floor: 1/4 inch in 10 feet maximum.

3.02 WOOD GROUNDS, NAILERS, BLOCKING, AND SLEEPERS

A. Provide and install wood grounds, nailers, blocking, and sleepers where shown and where required for screening or attachment of other work. Form to shapes as shown and cut as required for true line and level of work to be attached. Coordinate location with other work involved.

B. Attach to substrates as required to support applied loading. Countersink bolts and nuts flush with surfaces, unless otherwise indicated. Where possible, anchor to formwork before concrete placement.

3.03 WOOD FRAMING, GENERAL

A. Framing Standard: Comply with National Forest Products Association (N.F.P.A.) "Manual for House

Framing," unless otherwise indicated.

B. Install framing members of size and spacing indicated. Coordinate with other framing and to other trades prior to actual construction.

C. Anchor and nail as shown, and to comply with the following:

1) National Evaluation Report No. NER-272 for pneumatic or mechanical driven staples, P-Nails, and allied fasteners.

2) Published requirements of manufacturer of metal framing anchors.

3) "Recommended Nailing Schedule" of referenced framing standard and with N.F.P.A. "National

Design Specifications for Wood Construction."

D. Do not splice structural members between supports.

E. Provide solid blocking at all joist or truss supports (2x framing depth), unless otherwise noted. Install shims where indicated or where required to set work in proper alignment.

F. Install blocking where indicated on the Drawings, where required on gypsum board edges, at plywood panel joints where not over a framing member, and wherever required for support of items specified in other sections.

Printed April 22, 2024 06100-6

G. Cutting of wood girders, beams, or joists for electrical and mechanical lines shall be limited to cuts and bored holes not deeper than one-fifth of the beam depth from the top and located not further from the support than three times the beam depth and not less than the beam depth. Cuts in excess of this or single bored holes with diameter of more than 1 1/2 inch are not permitted without special provisions. Location of cuts or holes in framing shall receive review by the Contracting Officer prior to approval of holes.

H. Fire stop concealed spaces of wood framed walls and partitions at each floor level and at the ceiling line of the top story. Where fire stops are not automatically provided by the framing system used, use closely fitted wood blocks of nominal 2-inch-thick lumber of the same width as framing members.

3.04 STUD FRAMING

A. Cut studs and posts with square ends, unless otherwise shown, and erect plumb.

B. Studs in walls shall be 2x4, 2x6, or 4x6 as indicated on Drawings.

C. Double studs on each side of all openings, unless noted otherwise.

D. Construct corners and intersections with not less than 3 studs. Install miscellaneous blocking and framing as shown and as required for support of facing materials, fixtures, specialty items, and trim.

E. Openings in stud walls and partitions shall be framed with headers across the top with a minimum size of 6 inches deep x stud width resting on cripple studs, unless otherwise noted.

F. Top plates shall be double, set one at a time; sill plates single, secured as indicated on Drawings. Corners where stud wall or partitions meet shall be framed solid. Double top plates shall be lapped at corners.

Where openings are cut through plates, install 16-gauge steel strap ties 1-1/4 inches wide at single plate, and 2-5/16 inches wide at double plate extending minimum 9 inches past each cut.

G. Walls and partitions containing plumbing, heating, or other pipes shall be framed to give proper clearances for piping without notching or hacking of studs.

H. Holes through studs exceeding 1/3 the width of the stud are not permitted without review by the

Contracting Officer.

3.05 TIMBER/LOG FRAMING

A. Install timber framing with crown edge up and provide not less than 4 inches of bearing on supports.

Install continuous members unless shown; tie together over supports if not continuous.

B. Where beams or girders are framed into pockets of exterior concrete or masonry walls, provide 1/2-inch air space between sides and ends of wood members and supporting wall.

C. Install wood posts using metal anchoring and attachment devices indicated.

D. Seal ends of timber exposed to weather with a water-repellent preservative.

E. Log posts to be hand peeled

3.06 INSTALLATION OF CONSTRUCTION PANELS (PLYWOOD)

A. General: Comply with applicable recommendations contained in Form No. E30, "APA

Design/Construction Guide - Residential & Commercial”, for types of construction panels and applications indicated.

B. Layout and Fastening: Plywood shall be nailed to framing as indicated on the drawings. Sheathing on walls, roofs, and floors shall be supported on framing or blocking on all four edges of each sheet. Joint

Printed April 22, 2024 06100-7 layout shall be staggered. Butt panel ends and edges to a close, but not tight fit (allow 1/16-inch space).

All panels as indicated on the drawings.

C. Wall sheathing may be installed with face grain either perpendicular to or parallel to the studs. No piece shall be less than 2 feet wide.

D. Roof sheathing shall be installed with face grain perpendicular to the framing members. No piece shall be smaller than 2 feet by 4 feet.

3.07 AIR INFILTRATION BARRIER

A. Cover sheathing with air infiltration barrier as follows:

1) Apply layer of self-adhering polymer modified bituminous sheet material over plywood sheathing at rough openings and outside corners, extending minimum 18 inches from penetrations and corners.

2) Apply two layers of asphalt-saturated organic felt horizontally over entire surface of wall sheathing, and around doors, windows and other openings, with 2-inch overlap and 6-inch end lap;

fasten to sheathing with corrosion-resistant staples.