BFD_FS3_-_Bidding_Set_-_Front_End_Manual_2_of_2.pdf

F23116 F23116 Bloomington Fire Station 3

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MRae Underslab Vapor Barrier - Stego 03 0516 - 1

SECTION 03 0516

UNDERSLAB VAPOR BARRIER - STEGO

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Sheet vapor barrier under concrete slabs on grade.

1.02 RELATED REQUIREMENTS

A. Section 03 1000 - Concrete Forming and Accessories: Forms and accessories for formwork.

B. Section 03 2000 - Concrete Reinforcing.

C. Section 03 3000 - Cast-in-Place Concrete: Preparation of subgrade, granular fill, placement of concrete.

1.03 REFERENCE STANDARDS

A. ASTM E1643 - Standard Practice for Selection, Design, Installation and Inspection of Water Vapor Retarders Used in Contact with Earth or Granular Fill Under Concrete Slabs; 2018a.

B. ASTM E1745 - Standard Specification for Plastic Water Vapor Retarders Used in Contact with Soil or Granular Fill under Concrete Slabs; 2017.

1.04 SUBMITTALS

A. See Section 01 3000 - Administrative Requirements, for submittal procedures.

B. Product Data: Submit manufacturers' data on manufactured products.

C. Test Data: Submit report of tests showing compliance with specified requirements.

D. Manufacturer's Installation Instructions: Indicate installation procedures and interface required with adjacent construction.

PART 2 PRODUCTS

2.01 MATERIALS

A. Underslab Vapor Barrier:

1. Water Vapor Permeance: Not more than 0.010 perms, maximum.

2. Complying with ASTM E1745 Class A.

3. Thickness: 15 mils.

4. Basis of Design:

a. Stego Industries LLC; Stego Wrap Vapor Barrier (15-mil):

www.stegoindustries.com/#sle.

b. ISI Building Products; Viper II Vapor Barrier (15-mil)

c. Substitutions: See Section 01 6000 - Product Requirements.

B. Accessory Products: Vapor barrier manufacturer's recommended tape, adhesive, mastic, etc., for sealing seams and penetrations in vapor barrier.

PART 3 EXECUTION

3.01 EXAMINATION

A. Verify that surface over which vapor barrier is to be installed is complete and ready before proceeding with installation of vapor barrier.

3.02 INSTALLATION

A. Install vapor barrier in accordance with manufacturer's instructions and ASTM E1643.

B. Install vapor barrier under interior slabs on grade; lap sheet over footings and seal to foundation walls.

C. Lap joints minimum 6 inches.

D. Seal joints, seams and penetrations watertight with manufacturer's recommended products and follow manufacturer's written instructions.

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E. No penetration of vapor barrier is allowed except for reinforcing steel and permanent utilities.

F. Repair damaged vapor retarder before covering with other materials.

END OF SECTION 03 0516

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MRae Concrete Forming and

Accessories 03 1000 - 1

SECTION 03 1000

CONCRETE FORMING AND ACCESSORIES

PART 1 GENERAL

1.01 SECTION INCLUDES

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

B. Form accessories.

C. Form stripping.

1.02 RELATED REQUIREMENTS

A. Refer to Sheet S001 for additional requirements

PART 2 PRODUCTS

2.01 FORMWORK - GENERAL

A. Provide concrete forms, accessories, shoring, and bracing as required to accomplish cast-in-place concrete work.

B. Design and construct concrete that complies with design with respect to shape, lines, and dimensions.

C. Comply with applicable state and local codes with respect to design, fabrication, erection, and removal of formwork.

D. Comply with relevant portions of ACI 301, ACI 318, and ACI 350 .

2.02 FORMWORK ACCESSORIES

A. Form Release Agent: Capable of releasing forms from hardened concrete without staining or discoloring concrete or forming bugholes and other surface defects, compatible with concrete and form materials, and not requiring removal for satisfactory bonding of coatings to be applied.

1. Composition: Colorless, reactive, water-based or solvent-based compound.

2. Do not use materials containing diesel oil or petroleum-based compounds.

3. VOC Content: In compliance with applicable local, State, and federal regulations.

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 APPLICATION - FORM RELEASE AGENT

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

B. Do not apply form release agent where concrete surfaces will receive special finishes or applied coverings that are affected by agent. Soak inside surfaces of untreated forms with clean water.

Keep surfaces coated prior to placement of concrete.

3.04 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 to prevent damage to form materials or to fresh concrete. Discard damaged forms.

END OF SECTION 03 1000

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MRae Concrete Reinforcing 03 2000 - 1

SECTION 03 2000

CONCRETE REINFORCING

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Reinforcing steel for cast-in-place concrete.

B. Supports and accessories for steel reinforcement.

1.02 RELATED REQUIREMENTS

A. Refer to Sheet S001 for additional requirements

1.03 REFERENCE STANDARDS

A. ACI 301 - Specifications for Structural Concrete; 2016.

B. ACI 318 - Building Code Requirements for Structural Concrete and Commentary; 2014 (Errata 2018).

C. ASTM A615/A615M - Standard Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement; 2020.

D. ASTM A1064/A1064M - Standard Specification for Carbon-Steel Wire and Welded Wire Reinforcement, Plain and Deformed, for Concrete; 2018a.

E. CRSI (DA4) - Manual of Standard Practice; 2009.

1.04 SUBMITTALS

A. See Section 01 3000 - Administrative Requirements, for submittal procedures.

B. Shop Drawings: Include bar schedules, shapes of bent bars, spacing of bars, and location of splices.

1.05 QUALITY ASSURANCE

A. Perform work of this section in accordance with ACI 301.

PART 2 PRODUCTS

2.01 REINFORCEMENT

A. Reinforcing Steel: ASTM A615/A615M, Grade 60 (60,000 psi).

B. Steel Welded Wire Reinforcement (WWR): Plain type; ASTM A1064/A1064M.

1. WWR Style: As indicated on drawings .

C. Reinforcement Accessories:

1. Tie Wire: Annealed, minimum 16 gauge, 0.0508 inch.

2. Chairs, Bolsters, Bar Supports, Spacers: Sized and shaped for adequate support of reinforcement during concrete placement.

3. Provide stainless steel components for placement within 1-1/2 inches of weathering surfaces.

PART 2 PRODUCTS - NOT USED

PART 3 EXECUTION

4.01 PLACEMENT

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

B. Do not displace or damage vapor barrier.

C. Maintain concrete cover around reinforcing as indicated on drawings and S001:

END OF SECTION 03 2000

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MRae Cast-in-Place Concrete 03 3000 - 1

SECTION 03 3000

CAST-IN-PLACE CONCRETE

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Concrete formwork.

B. Concrete reinforcement.

C. Joint devices associated with concrete work.

D. Miscellaneous concrete elements, including equipment pads, equipment pits, light pole bases, and thrust blocks .

E. Concrete curing.

1.02 RELATED REQUIREMENTS

A. Section 03 1000 - Concrete Forming and Accessories: Forms and accessories for formwork.

B. Section 03 2000 - Concrete Reinforcing.

1.03 REFERENCE STANDARDS

A. ACI 117 - Specifications for Tolerances for Concrete Construction and Materials; 2010 (Reapproved 2015).

B. ACI 211.1 - Standard Practice for Selecting Proportions for Normal, Heavyweight, and Mass Concrete; 1991 (Reapproved 2009).

C. ACI 301 - Specifications for Structural Concrete; 2016.

D. ACI 304R - Guide for Measuring, Mixing, Transporting, and Placing Concrete; 2000 (Reapproved 2009).

E. ACI 305R - Guide to Hot Weather Concreting; 2010.

F. ACI 308R - Guide to External Curing of Concrete; 2016.

G. ACI 318 - Building Code Requirements for Structural Concrete and Commentary; 2014 (Errata 2018).

H. ACI 347R - Guide to Formwork for Concrete; 2014, with Errata (2017).

I. ASTM A615/A615M - Standard Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement; 2020.

J. ASTM A1064/A1064M - Standard Specification for Carbon-Steel Wire and Welded Wire Reinforcement, Plain and Deformed, for Concrete; 2018a.

K. ASTM C33/C33M - Standard Specification for Concrete Aggregates; 2018.

L. ASTM C39/C39M - Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens; 2020.

M. ASTM C94/C94M - Standard Specification for Ready-Mixed Concrete; 2020.

N. ASTM C171 - Standard Specification for Sheet Materials for Curing Concrete; 2016.

O. ASTM C173/C173M - Standard Test Method for Air Content of Freshly Mixed Concrete by the Volumetric Method; 2016.

P. ASTM C260/C260M - Standard Specification for Air-Entraining Admixtures for Concrete; 2010a (Reapproved 2016).

Q. ASTM C1059/C1059M - Standard Specification for Latex Agents for Bonding Fresh to Hardened Concrete; 2013.

1.04 SUBMITTALS

A. See Section 01 3000 - for submittal procedures.

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B. Product Data: Submit manufacturers' data on manufactured products showing compliance with specified requirements and installation instructions.

C. Mix Design: Submit proposed concrete mix design.

1. Indicate proposed mix design complies with requirements of ACI 301, Section 4 -

Concrete Mixtures.

2. Indicate proposed mix design complies with requirements of ACI 318, Chapter 5 -

Concrete Quality, Mixing and Placing.

D. Test Reports: Submit report for each test or series of tests specified.

1.05 QUALITY ASSURANCE

A. Perform work of this section in accordance with ACI 301 and ACI 318.

B. Follow recommendations of ACI 305R when concreting during hot weather.

1.06 WARRANTY

A. See Section 01 7800 - Closeout Submittals for additional warranty requirements.

PART 2 PRODUCTS

2.01 FORMWORK

A. Formwork Design and Construction: Comply with guidelines of ACI 347R to provide formwork that will produce concrete complying with tolerances of ACI 117.

B. Form Materials: Contractor's choice of standard products with sufficient strength to withstand hydrostatic head without distortion in excess of permitted tolerances.

1. Form Facing for Exposed Finish Concrete: Contractor's choice of materials that will provide smooth, stain-free final appearance.

2. Earth Cuts: Do not use earth cuts as forms for vertical surfaces. Natural rock formations that maintain a stable vertical edge may be used as side forms.

3. Form Coating: Release agent that will not adversely affect concrete or interfere with application of coatings.

4. Form Ties: Taper removable bolt type that will leave no metal within 1-1/2 inches of concrete surface.

2.02 REINFORCEMENT MATERIALS

A. Reinforcing Steel: ASTM A615/A615M, Grade 60 (60,000 psi).

1. Type: Deformed billet-steel bars.

2. Finish: Unfinished, unless otherwise indicated.

B. Steel Welded Wire Reinforcement (WWR): Plain type, ASTM A1064/A1064M .

1. WWR Style: As indicated on drawings .

2.03 ADMIXTURES

A. Do not use chemicals that will result in soluble chloride ions in excess of 0.1 percent by weight of cement.

B. Air Entrainment Admixture: ASTM C260/C260M.

2.04 ACCESSORY MATERIALS

A. Underslab Vapor Retarder: See Section 03 0516 - Underslab Vapor Barrier.

B. Non-Shrink Cementitious Grout: Premixed compound consisting of non-metallic aggregate, cement, water reducing and plasticizing agents.

C. Moisture-Retaining Cover: ASTM C 171; regular curing paper, white curing paper, clear polyethylene, white polyethylene, or white burlap-polyethylene sheet.

2.05 BONDING AND JOINTING PRODUCTS

A. Latex Bonding Agent: Non-redispersable acrylic latex, complying with ASTM C1059/C1059M, Type II.

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B. Slab Isolation Joint Filler: 1/2 inch thick, height equal to slab thickness, with removable top section that will form 1/2 inch deep sealant pocket after removal.

2.06 CONCRETE MIX DESIGN

A. Proportioning Normal Weight Concrete: Comply with ACI 211.1 recommendations.

B. DO NOT add water to concrete at site in amounts that would exceed the specified W/C ratio.

1. Maintain records of water added to concrete at time of placement, indicating amounts, method, and reason.

C. Admixtures: Add acceptable admixtures as recommended in ACI 211.1 and at rates recommended or required by manufacturer.

D. Normal Weight Concrete:

1. Compressive Strength, when tested in accordance with ASTM C39/C39M at 28 days: As indicated on drawings .

2. Maximum Aggregate Size: 3/4 inch.

2.07 MIXING

A. Transit Mixers: Comply with ASTM C94/C94M.

B. Adding Water: If concrete arrives on-site with slump less than suitable for placement, do not add water that exceeds the maximum water-cement ratio or exceeds the maximum permissible slump.

PART 3 EXECUTION

3.01 EXAMINATION

A. Verify lines, levels, and dimensions before proceeding with work of this section.

3.02 PREPARATION

A. Formwork: Comply with requirements of ACI 301. Design and fabricate forms to support all applied loads until concrete is cured, and for easy removal without damage to concrete.

B. Verify that forms are clean and free of rust before applying release agent.

C. Coordinate placement of embedded items with erection of concrete formwork and placement of form accessories.

D. Where new concrete is to be bonded to previously placed concrete, prepare existing surface by cleaning and applying bonding agent in according to bonding agent manufacturer's instructions.

1. Use latex bonding agent only for non-load-bearing applications.

3.03 PLACING CONCRETE

A. Place concrete in accordance with ACI 304R.

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

C. Ensure reinforcement, inserts, waterstops, embedded parts, and formed construction joint devices will not be disturbed during concrete placement.

3.04 SLAB JOINTING

A. Locate joints as indicated on drawings.

B. Anchor joint fillers and devices to prevent movement during concrete placement.

C. Isolation Joints: Use preformed joint filler with removable top section for joint sealant, total height equal to thickness of slab, set flush with top of slab.

D. Saw Cut Contraction Joints: Saw cut joints before concrete begins to cool, within 24 hours after placing; use 3/16 inch thick blade and cut at least 1 inch deep but not less than one quarter (1/4) the depth of the slab.

E. Install joint devices in accordance with manufacturer's instructions.

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3.05 CONCRETE FINISHING

A. Exposed Form Finish: Rub down or chip off and smooth fins or other raised areas 1/4 inch or more in height. Provide finish as follows:

1. Smooth Rubbed Finish: Wet concrete and rub with carborundum brick or other abrasive, not more than 24 hours after form removal.

3.06 CURING AND PROTECTION

A. Comply with requirements of ACI 308R. 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.

1. Normal concrete: Not less than 3 days.

C. Surfaces Not in Contact with Forms:

1. Final Curing: Begin after initial curing but before surface is dry.

a. Moisture-Retaining Cover: Place plastic or waterproof paper on surface of concrete.

Seal in place with waterproof tape or adhesive.

3.07 FIELD QUALITY CONTROL

A. Provide free access to concrete operations at project site and cooperate with appointed firm.

B. Tests of concrete and concrete materials may be performed at any time to ensure compliance with specified requirements.

3.08 DEFECTIVE CONCRETE

A. Test Results: The testing agency shall report test results in writing to Architect and Contractor within 24 hours of test.

B. Defective Concrete: Concrete not complying with required lines, details, dimensions, tolerances or specified requirements.

C. Repair or replacement of defective concrete will be determined by the Architect. The cost of additional testing shall be borne by Contractor when defective concrete is identified.

D. Do not patch, fill, touch-up, repair, or replace exposed concrete except upon express direction of Architect for each individual area.

END OF SECTION 03 3000

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MASONRY RESTORATION AND

CLEANING

04 0100 - 1

SECTION 04 0100

MASONRY RESTORATION AND CLEANING

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Replacement of modular limestone units.

B. Repointing mortar joints.

C. Cleaning of existing masonry surfaces

D. Repair of damaged existing masonry

E. Replacement of existing masonry

F. Raking and repointing of existing mortar joints

1.02 RELATED REQUIREMENTS

A. Section 04 4200 - Exterior Stone Cladding.

B. Section 07 9005 - Joint Sealants

1.03 ADMINISTRATIVE REQUIREMENTS

A. Preinstallation Meeting: Convene one week prior to commencing work of this section.

1. Require attendance of parties directly affecting work of this section.

2. Review conditions of installation, installation procedures, and coordination with related work.

1.04 SUBMITTALS

A. Product Data: Provide data on cleaning compounds, masonry materials, and masonry materials.

B. Manufacturer's Instructions: For cleaning materials, indicate special procedures, conditions requiring special attention .

1.05 QUALITY ASSURANCE

A. Comply with provisions of TMS 402/602, except where exceeded by requirements of Contract Documents.

B. Comply with provisions of ILI Technote on Durability and cleaning of Indiana Limestone.

C. Restorer: Company specializing in masonry restoration with minimum 5 years of documented experience in comparable masonry restoration projects and employing personnel skilled in the restoration in processes and operations indicated.

D. Existing Mortar: Samples shall be taken from existing masonry areas to be rebuilt or tuck pointed. Samples shall be crushed, washed and reduced to their base elements to determine composition and type of aggregate used. Samples shall be washed to determine color, size and percentages of sand, oyster shell or silica aggregate. When necessary for the successful match of new mortar with old mortar or when requested by the Architect, quantitative analysis of the existing mortar components by weight and proportion shall be necessary. The strength of the new mortar shall not exceed that of the existing materials.

1.06 DEFINITIONS

A. Aggregates: Sand component of mortar.

B. Biocide: Chemical treatment that inhibits, deters, or controls organic growth typically removed by cleaning following biocide treatment.

C. Binder: Component of mortar that binds aggregate particles into a cohesive material.

D. Dispersed Lime Crack Injection: Repair method in which dispersed lime material is injected using a needle or syringe into small cracks ranging in width from hairline to 1/8 inch.

E. Consolidant: Chemical product to strengthen loose or deteriorated stone.

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F. Dutchman: Repair method to partially remove deteriorated portion of stone and replace with salvaged or new stone.

G. In situ: Masonry units and mortar remain in place and are restored without removal.

H. Lime Wash: Protective surface treatment comprised of calcium hydroxide particles in suspension in water, along with small amounts of calcium carbonate, silica particles, and other minerals.

I. New Elements: New, nonhistoric materials added to masonry structures to aid in resistance to structural loads or water infiltration.

J. Patching: Use of substitute repair materials to treat damaged or deteriorated masonry units in situ.

K. Repointing: Removal of existing mortar joints to specified depth and replacement with mortar matching color, texture, and performance of original mortar, and with water vapor transmission, bond, hardness, and flexibility compatible with original mortar, tested in accordance with ASTM C1713.

L. Retooling: Chisel is used to recreate surrounding stone texture finish.

M. Surface Treatment: Application of traditional materials or contemporary chemical products to surface of masonry to provide protection to the masonry and mortar or reduce water infiltration.

N. Wall System: Masonry structures comprised of different materials but functioning holistically;

restoration and cleaning processes should take into account effects on the adjacent materials and the building as a whole.

O. Saturated Surface Dry (SSD): Condition of masonry after application of water to soak into the capillary pores of the masonry, saturating an area of the masonry, reducing further suction, and allowing surface water to evaporate, leaving the substrate damp but without a surface film of water.

1.07 MOCK-UP

A. Field Constructed Mock-ups: Prior to start of general masonry repointing or resetting, prepare sample panels (4'wx2'h) on building where directed by Architect in an inconspicuous location.

Obtain Owners written acceptance of visual qualities before proceeding with the Work. Retain acceptable panels in undistributed condition, suitably marked, throughout construction as a standard for judging completed work.

B. Repointing Mock-up: Prepare 2 separate sample areas of approximately 3' high by 6' wide for each type of repointing required, one sample for demonstrating methods and quality of workmanship expected in removal of mortar from joints and the other for demonstrating quality of materials and workmanship expected in pointing mortar joints.

C. Clean a 10 ft by 10 ft panel of wall to determine extent of cleaning.

1. Confirm location with architect in an inconspicuous location.

1.08 DELIVERY, STORAGE, AND HANDLING

A. Deliver masonry neatly stacked and tied on pallets. Store clear of ground with adequate waterproof covering.

1.09 FIELD CONDITIONS

A. Cold and Hot Weather Requirements: Comply with requirements of TMS 402/602 or applicable building code, whichever is more stringent.

B. Maintain materials and surrounding air temperature to minimum 40 degrees F prior to, during, and 48 hours after completion of masonry work.

PART 2 PRODUCTS

2.01 CLEANING MATERIALS

A. Accepted:

1. Cleaning Agent: Detergent type with fiber brushes, mild soap powder, and clean water is acceptable.

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2. Power Washing in compliance with ILI standards and reccomendations is acceptable.

B. Conditional:

1. Use of sand blasting, wire brushes, or acids are prohibited without special approval by

Architect.

2.02 MORTAR MATERIALS

A. Portland Cement: ASTM C 150, Type I, non-staining, no air entrainment, white if needed for color match.

1. Lime: Hydrated lime, ASTM C 207, Type N.

2. Sand: ASTM C 144, or finer if needed for joint sizes less than 1/4".

3. Use prehydrated type S Portland-sand-lime mortar for repointing and rebuilding. Comply with ASTM C 270, proportion specifications, except limit materials to those specified herein and limit cement/lime ratio by volume.

4. Type N: Not more than 1/2 part lime per part of Portland Cement.

B. Anchors: Stainless steel type anchors are the only accepted type with Limestone application

C. Water: Should be clean, free of oils, acids alkalis and organic matter.

D. Brushes: Provide brushes for cleaning that have fiber bristles only.

PART 3 EXECUTION

3.01 EXAMINATION

A. Verify that surfaces to be cleaned are ready for work of this section.

3.02 PREPARATION

A. Protect surrounding elements from damage due to restoration procedures.

B. Carefully remove and store removable items located in areas to be restored, including fixtures, fittings, finish hardware, and accessories; reinstall upon completion.

C. Separate areas to be protected from restoration areas using means adequate to prevent damage.

D. Cover existing landscaping with tarpaulins or similar covers.

E. Mask immediately adjacent surfaces with material that will withstand cleaning and restoration procedures, including but not limited to prefinished fenestration, grilles, louvers, doors, paving, architectural sheet metal, and prefinished siding.

F. Close off adjacent occupied areas with dust proof and weatherproof partitions.

G. Protect roof membrane and flashings from damage with 1/2 inch plywood laid on roof surfaces over full extent of work area and traffic route.

H. Vertical Control Joints: New saw cut control joints in veneer brick to be located so not to disturb existing lateral masonry ties. Cut control joint with masonry saw using a fix guide/rail to assure a straight cut.

1. Saw cut through entire thickness of existing veneer brick, but not into back up substrate.

a. Take care not to saw through existing thru-wall flashings and shelf angles.

2. Use motor driven saw designed to cut masonry with clean, sharp unchipped edges.

a. Do not spall edges of masonry units.

b. Replace any masonry units which become damaged.

3.03 REBUILDING

A. Masonry Unit Removal: Carefully remove by hand at locations indicated any masonry which is damaged, spalled or deteriorated as indicated on drawings. Cut out units from joint to joint and in a manner to permit replacement with full size units.

1. Clean edges of existing masonry remaining by removing mortar, dust, and loose debris in preparation for rebuilding. Cleaning may be accomplished by either air blast or low pressure water.

B. Cut out damaged and deteriorated masonry with care in a manner to prevent damage to any adjacent remaining materials.

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C. Support structure as necessary in advance of cutting out units.

D. Cut away loose or unsound adjoining masonry as directed.

E. Mortar Mix: Colored and proportioned to match existing work.

F. Ensure that anchors are correctly located and built in.

G. Install built in masonry work to match and align with existing, with joints and coursing true and level, faces plumb and in line. Build in all openings, accessories and fittings.

H. Install new or salvaged brick to replace removed brick. Fit replacement units into bonding and coursing pattern of existing brick. If cutting is required use motor driven saw designed to cut masonry with clean, sharp unchipped edges.

1. Lay replacement brick with completley filled bed, head and collar joints. Butter edges with sufficient mortar to fill head joints and shove into place. Wet clay brick which have ASTM C 67 initial rates of absorption of more than 30 grams per 30 sq. in. per minute. Use wetting methods which ensure that units are nearly saturated but surface dry when laid.

Maintain joint width for replacement units to match existing.

2. Tool exposed mortar joints in repair areas to match joints of surrounding existing brickwork.

3. Repoint new mortar joints in repair area to comply with requirements for repointing existing masonry, except rake out joints before mortar sets.

4. Hold tooled joint back from unit masonry face where unit edges have eroded or weathered to "round" edges or corners. Match existing or modify new joint as required to produce a textural match with existing masonry.

3.04 REPOINTING

A. Perform repointing prior to cleaning masonry surfaces.

B. Repointing Existing Masonry: Existing joints to be repointed must be at least 3/4" deep and must also be prepared so as to provide bond with new mortar. Remove sufficient existing mortar to expose sound, solid materials with clean, sharp surface. Remove friable, eroded, loose or unsound existing mortar by cutting out with proper hand tools.

1. Do not spall edges of masonry units or widen joints. Replace any masonry units which become damaged.

2. Cut out mortar by hand with chisel and mallet, unless otherwise approved.

3. Power operated rotary hand saws and grinders will be permitted but only on specific written approval of Architect based on submission by Contractor of satisfactory quality control program and demonstrated ability of operators to use tools without damage to masonry.

C. Protection masonry restoration materials during storage and construction from wetting by rain, snow, or ground water and from staining or intermixture with earth or other type of materials.

D. Protect grout, mortar and other materials from deterioration by moisture and temperature. Store in a dry location or on waterproof containers. Keep containers tightly closed and away from open flames. Comply with manufacturer's recommendation for minimum and maximum temperature requirements for storage.

E. Repoint mortar joints or repair masonry unless air temperatures are between 40 deg F and 80 deg F and will remain so for at least 48 hours after completion work.

F. Prevent grout or mortar used in repointing and repair work from staining face of surrounding masonry and other surfaces. Remove immediately grout or mortar in contact with exposed masonry and other surfaces.

G. Mortar Measuring and Mixing: Measure cementitious and aggregate material in a dry condition by volume or equivalent weight. Do not measure by shovel, use known measurement. Mix materials in a clean mechanical batch mixer. Commence mortar measurement and mixing only after preconstruction mortar analysis is completed and accepted by the architect.

1. Thoroughly mix cementitious and aggregate materials together before adding any water.

Then mix again adding water only enough water to produce a damp unworkable mix which will retain its form when pressed into a ball. Maintain mortar in this state for 1 to 2 hours.

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Add remaining water in small portions until mortar of desired consistency is reached. Use mortar with 30 minutes of final mixing, do not retemper or use partially hardened material.

H. Cut out loose or disintegrated mortar in joints to minimum 3/4 inch depth or until sound mortar is reached.

I. Use power tools only after test cuts determine no damage to masonry units will result.

J. Do not damage masonry units.

K. When cutting is complete, remove dust and loose material by brushing.

L. Premoisten joint and apply mortar. Pack tightly in maximum 1/4 inch layers. Form a smooth, compact concave joint to match existing.

M. Repoint mortar to areas where existing mortar was removed. Apply in layers not greater than 3/8 inches until a uniform depth is formed. Compact each layer thoroughly and allow to become thumbprint hard before applying next layer.

1. After joints have been filled to a uniform depth, place remaining pointing mortar in 3 layers with each of the first and second layers filling approximately 2/5 of joint depth and the third layer the remaining 1/5. Fully compact each layer and allow to become thumbprint hard before applying next layer. Take care not to spread mortar over edges onto exposed masonry surfaces, or to feather edges of mortar.

2. When mortar is thumbprint hard, tool joints to match original appearance of joints, unless otherwise indicated. Remove excess mortar from edge of joint by brushing.

N. Moist cure for 72 hours.

3.05 CLEANING EXISTING MASONRY

A. Preclean surfaces and remove large particles with wood scrapers or nonferrous brushes

B. Perform cleaning and rinsing of exterior masonry only during daylight hours

C. Preparatory Exterior Masonry Cleaning: Use safe spray pressures for each item to be cleaned

D. Clean all mortar smears, droppings, etc. from wall with dry brush as work proceeds.

E. Dry clean wall with wood paddles. Use chisel or wire brush, if required.

F. Flush with clean pressurized water.

G. Muriatic Cleaning will not be permitted.

H. Remove all droppings, smears, etc. from brick, weep holes, and adjacent materials. Remove all bags, tools, containers from site.

I. Restoration Cleaners: Detergent based

1. Apply restoration cleaner on masonry using brush or roller in accordance with manufacturer's instructions

2. Allow sufficient time, as recomm

J. Washing or Rinsing Vertical Surfaces:

1. Rinse from the bottom up with potable water applied at reccomended psi and rate with fan spray tip.

a. Use adjustable equipment capable of reducing water pressure and flow rate as needed for sensitive surfaces

b. Rinse with water and pressure sufficient to flush restoration cleaner and dissolved soiling from the masonry surface and surface pores without damaging masonry. Do not leave cleaning procedure residues on masonry

3.06 CLEANING

A. Immediately remove stains, efflorescence, or other excess resulting from the work of this section.

B. Remove excess mortar, smears, and droppings as work proceeds and upon completion.

C. Clean surrounding surfaces.

END OF SECTION 04 0100

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SECTION 04 2000

UNIT MASONRY

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Concrete block.

B. Mortar and grout.

C. Reinforcement and anchorage.

D. Flashings.

E. Lintels.

F. Accessories.

1.02 RELATED REQUIREMENTS

A. Section 04 4200 - Exterior Stone Cladding

B. Section 07 9200 - Joint Sealants: Sealing control and expansion joints.

1.03 REFERENCE STANDARDS

A. ASTM C90 - Standard Specification for Loadbearing Concrete Masonry Units; 2016a.

B. ASTM C91/C91M - Standard Specification for Masonry Cement; 2018.

C. ASTM C129 - Standard Specification for Nonloadbearing Concrete Masonry Units; 2017.

D. ASTM C270 - Standard Specification for Mortar for Unit Masonry; 2019.

E. BIA Technical Notes No. 7 - Water Penetration Resistance – Design and Detailing; 2017.

F. BIA Technical Notes No. 13 - Ceramic Glazed Brick Exterior Walls; 2017.

G. TMS 402/602 - Building Code Requirements and Specification for Masonry Structures; 2016.

1.04 SUBMITTALS

A. See Section 01 3000 - Administrative Requirements, for submittal procedures.

B. Product Data: Submit Manufacturers' data on products showing compliance with specified requirements and installation instructions

C. Manufacturer's Certificate: Certify that masonry units meet or exceed specified requirements.

1.05 QUALITY ASSURANCE

A. Comply with provisions of TMS 402/602, except where exceeded by requirements of Contract Documents.

B. Manufacturer Qualifications: Company specializing in manufacturing the type of products specified in this section with minimum three years of documented experience.

C. Installer Qualifications: Company specializing in performing work of the type specified and with at least three years of documented experience and approved by manufacturer .

1.06 DELIVERY, STORAGE, AND HANDLING

A. Deliver, handle, and store masonry units by means that will prevent mechanical damage and contamination by other materials.

PART 2 PRODUCTS

2.01 CONCRETE MASONRY UNITS

A. Concrete Block: Comply with referenced standards and as follows:

1. Size: Standard units with nominal face dimensions of 16 by 8 inches and nominal depths as indicated on drawings for specific locations.

2. Special Shapes: Provide non-standard blocks configured for corners, lintels, and headers .

a. Provide bullnose units for interior corners.

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3. Load-Bearing Units: ASTM C90, normal weight.

a. Both hollow and solid block , as indicated .

4. Non-Loadbearing Units: ASTM C129.

a. Both hollow and solid block , as indicated .

2.02 MORTAR AND GROUT MATERIALS

A. Masonry Cement: ASTM C91/C91M, As indicated on S001 .

2.03 FLASHINGS

A. Refer to 04 4200 for Flashing of Limestone Facade Requirements

B. Refer to 04 4200 for Weep Vents of Limestone Facade Requirements

2.04 ACCESSORIES

A. Preformed Control Joints: Rubber material. Provide with corner and tee accessories, fused joints.

1. Manufacturers:

a. Blok-Lok Limited : www.blok-lok.com/#sle.

b. Hohmann & Barnard, Inc : www.h-b.com/#sle.

c. WIRE-BOND : www.wirebond.com/#sle.

d. Substitutions: See Section 01 6000 - Product Requirements.

B. Cavity Mortar Control: Semi-rigid polyethylene or polyester mesh panels, sized to thickness of wall cavity, and designed to prevent mortar droppings from clogging weeps and cavity vents and allow proper cavity drainage. Trapezoidal shape or dovetail design.

C. Weeps: See Section 04 4200

D. Cleaning Solution: Non-acidic, not harmful to masonry work or adjacent materials.

2.05 LINTELS

A. Refer to Structural drawings for more information

2.06 MORTAR AND GROUT MIXING

A. Mortar for Unit Masonry: ASTM C270, using the Proportion Specification.

1. See S001 for more information

PART 3 EXECUTION

3.01 EXAMINATION

A. Verify that field conditions are acceptable and are ready to receive masonry.

B. Verify that related items provided under other sections are properly sized and located.

C. Verify that built-in items are in proper location, and ready for roughing into masonry work.

3.02 PREPARATION

A. Direct and coordinate placement of metal anchors supplied for installation under other sections.

B. Provide temporary bracing during installation of masonry work. Maintain in place until building structure provides permanent bracing.

3.03 COLD AND HOT WEATHER REQUIREMENTS

A. Comply with requirements of TMS 402/602 or applicable building code, whichever is more stringent.

3.04 COURSING

A. Establish lines, levels, and coursing indicated. Protect from displacement.

B. Maintain masonry courses to uniform dimension. Form vertical and horizontal joints of uniform thickness.

C. Concrete Masonry Units:

1. Bond: Running.

2. Mortar Joints: Concave interior/exposed. Flush in cavity.

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3.05 PLACING AND BONDING

A. Lay solid masonry units in full bed of mortar, with full head joints, uniformly jointed with other work.

B. Lay hollow masonry units with face shell bedding on head and bed joints.

C. Buttering corners of joints or excessive furrowing of mortar joints is not permitted.

D. Remove excess mortar and mortar smears as work progresses.

E. Remove excess mortar with water repellent admixture promptly. Do not use acids, sandblasting or high pressure cleaning methods.

F. Interlock intersections and external corners, except for units laid in stack bond.

G. Do not shift or tap masonry units after mortar has achieved initial set. Where adjustment must be made, remove mortar and replace.

H. Perform job site cutting of masonry units with proper tools to provide straight, clean, unchipped edges. Prevent broken masonry unit corners or edges.

I. Cut mortar joints flush where wall tile is scheduled or resilient base is scheduled.

J. Isolate masonry partitions from vertical structural framing members with a control joint as indicated.

K. Isolate top joint of masonry partitions from horizontal structural framing members and slabs or decks with compressible joint filler.

3.06 WEEPS/CAVITY VENTS

A. Install weeps/vents in veneer and cavity walls at 24 inches on center horizontally on top of through-wall flashing above shelf angles and lintels, at bottom of walls, and where depicted in building/wall sections.

B. Install cavity dovetail mortar diverter at base of cavity as recommended by manufacturer to prevent mortar droppings from blocking weep/cavity vents.

3.07 CAVITY MORTAR CONTROL

A. Do not permit mortar to drop or accumulate into cavity air space or to plug weep/cavity vents.

B. For cavity walls, build inner wythe ahead of outer wythe to accommodate accessories.

3.08 MASONRY FLASHINGS

A. Whether or not specifically indicated, install masonry flashing to divert water to exterior at all locations where downward flow of water will be interrupted.

1. Extend flashings full width at such interruptions and at least 8 inches , minimum, into adjacent masonry or turn up flashing ends at least 1 inch , minimum, to form watertight pan at non-masonry construction.

2. Remove or cover protrusions or sharp edges that could puncture flashings.

3. Seal lapped ends and penetrations of flashing before covering with mortar.

B. Terminate flashing up 8 inches minimum on vertical surface of backing:

1. Install vertical leg of flashing behind water-resistive barrier sheet over backing.

2. Install vertical leg of flashing over fluid-applied or self-adhered air/vapor barriers over backing or per manufacturer’s directions.

3. Terminate vertical leg of flashing into bed joint in masonry or reglet in concrete.

4. Anchor vertical leg of flashing into backing with a termination bar and sealant.

5. Apply cap bead of sealant on top edge of self-adhered flashing.

C. Extend metal flashings through exterior face of masonry and terminate in an angled drip with hemmed edge. Install joint sealer below drip edge to prevent moisture migration under flashing.

3.09 LINTELS

A. Install lintels over openings as noted on structural drawings

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3.10 CONTROL AND EXPANSION JOINTS

A. Do not continue horizontal joint reinforcement through control or expansion joints.

B. Install preformed control joint device in continuous lengths. Seal butt and corner joints in accordance with manufacturer's instructions.

3.11 CLEANING

A. Remove excess mortar and mortar droppings.

B. Replace defective mortar. Match adjacent work.

C. Clean soiled surfaces with cleaning solution.

END OF SECTION 04 2000

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SECTION 04 4200

EXTERIOR STONE CLADDING

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Cut limestone veneer at exterior walls.

B. Metal anchors and supports.

C. Sealing exterior joints.

1.02 RELATED REQUIREMENTS

A. Section 04 2000 - Unit Masonry

B. Section 04 4316 - Stone Fabrications

C. Section 07 9005 - Joint Sealers : Sealant for panel, perimeter, and expansion joints.

1.03 REFERENCE STANDARDS

A. ASTM A240/A240M - Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications; 2023a.

B. ASTM A666 - Standard Specification for Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar; 2023.

C. ASTM C270 - Standard Specification for Mortar for Unit Masonry; 2019.

D. ASTM C920 - Standard Specification for Elastomeric Joint Sealants; 2018.

E. ASTM C1248 - Standard Test Method for Staining of Porous Substrate by Joint Sealants; 2018.

F. ASTM C1330 - Standard Specification for Cylindrical Sealant Backing for Use with Cold Liquid- Applied Sealants; 2018.

G. ILI (HB) - Indiana Limestone Handbook; 2007.

1.04 SUBMITTALS

A. See Section 01 3000 - Administrative Requirements, for submittal procedures.

B. Product Data: Provide data on stone, mortar products, and sealant products.

C. Shop Drawings: Indicate layout, pertinent dimensions, anchorages, head, jamb, and sill opening details, and jointing methods.

D. Samples: Submit two stone samples 12inch by 12 inch in size, illustrating color range and texture, markings, surface finish .

E. Installation Instructions: Submit stone fabricator's installation instructions and field erection or setting drawings; indicate panel identifying marks and locations on setting drawings.

F. Designer's Qualification Statement.

G. Stone Fabricator's Qualification Statement.

H. Installer's Qualification Statement.

1.05 QUALITY ASSURANCE

A. Design anchors and supports under direct supervision of a Professional Structural Engineer, registered in Indiana.

1. Design anchors to resist positive and negative wind pressures and other loads as required by applicable code.

2. Design anchor attachment to stone with a factor of safety of 5:1.

3. Design each individual anchor with a factor of safety in the vertical dead-load-bearing direction of 4:1 and in the horizontal lateral-load-bearing direction of 2:1.

B. Perform work in accordance with ILI Indiana Limestone Handbook.

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C. Stone Fabricator: Company specializing in fabricating cut stone with minimum ten years of documented experience.

D. Installer Qualifications: Company specializing in performing the work of this section with minimum 5 years of experience .

1.06 FIELD CONDITIONS

A. During temporary storage on site, at the end of working day, and during rainy weather, cover stone work exposed to weather with non-staining waterproof coverings, securely anchored.

PART 2 PRODUCTS

2.01 STONE

A. Indiana Oolitic Limestone, as quarried in Lawrence, Monroe, and Own Counties, Indiana.

1. Grade: ILI Variegated

2.02 MORTAR

A. Mortar: ASTM C270, Type N, Proportion specification, using Portland cement of white color.

B. Installation method for Facade to be Sealant Joint. Mortar to be used as needed for shimming.

No mortar joints are permitted.

2.03 ANCHORS AND ACCESSORIES

A. Anchors and Other Components in Contact with Stone: Stainless steel ASTM A666 Type 304.

1. Sizes and configurations: As required for vertical and horizontal support of stone and applicable loads.

2. Wire ties are not permitted.

3. Refer to Structural Drawings for additional details

B. Support Components not in Contact with Stone: Stainless steel ASTM A240/A240M Type 304.

C. Setting Buttons and Shims: Plastic type.

D. Flashings:

1. Basis of Design: Hohmann and Barnard, Inc. www.H-B.com - Mighty Flash

a. Membrane Thickness: 0.004in

b. Stainless Steel thickness: 5oz

c. Width: (60' rolls) minimum 16" wide (field verify)

d. Termination Bar: Stainless Steel (Type 304)

e. Seam/Overlap Tape: X-Seal - Membrane Splice Tape (4" Wide)

f. Stainless Steel Receiver: Fabricated as shown on drawings

1) Extend stainless steel fabric flashing minimum fabric, leave stainless steel flashing exposed to lap over stainless steel receiver

g. HB-Sealant - moisture curing polyether sealant used at all laps and between stainless steel and masonry

h. HB-Textroflash cut to 6" wide to strip over top of termination bar at back-up substrate-properly prime/adhere per manufacturer recommendations

i. Substitutions: See Section 01 6000 - Product Requirements

E. Weep/Cavity Vents: Molded PVC grille, insect resistant .

1. Honeycomb design allows passage of moisture from cavity to the building exterior while restircting ingress of insects and other debris. Allows passage of moisture up to its full height of the product. Polypropylene tested in conformance with ASTM D2240, D790B, D638 and D1238B. Color to be selected from Manufacturer's stock colors by Architect

F. Joint Sealant: ASTM C920 polyurethane sealant with movement capability of at least plus/minus 50 percent and non-staining to stone when tested in accordance with ASTM C1248.

1. Refer to specification section 07 9005 for manufactures and additional information

G. Joint Backer Rod: ASTM C1330 open cell polyurethane of size 40 to 50 percent larger in diameter than joint width.

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H. Cavity Mortar Control: Semi-rigid polyethylene or polyester mesh panels, sized to thickness of wall cavity, and designed to prevent mortar droppings from clogging weeps and cavity vents and allow proper cavity drainage. Trapezoidal shape or dovetail design.

2.04 STONE FABRICATION

A. Thickness: 4 inch. and 3 inch

1. Refer to Drawings for locations

B. Panel Size: As indicated on drawings.

1. Maximum Panel Size 4 foot by 8 foot

C. Fabricate units for uniform coloration between adjacent units and over the full area of the installation.

D. Where corner detail is not indicated, form external corners to quirk joint profile.

E. Slope exposed top surfaces of stone and horizontal sill surfaces for natural wash.

F. Cut drip slot in bottom surface of work projecting more than 1/2 inch over wall openings. Size slot not less than 3/8 inch wide and 1/4 inch deep; full width of projection.

PART 3 EXECUTION

3.01 EXAMINATION

A. Verify that support work and site conditions are ready to receive work of this section.

B. Verify that items built-in under other sections are properly located and sized.

3.02 PREPARATION

A. Clean stone prior to erection. Do not use wire brushes or implements that will mark or damage exposed surfaces.

B. Refer to ILI Handbook for recommended cleaning methods

3.03 INSTALLATION

A. Install flashings of longest practical length and seal watertight to back-up. Lap end joint minimum 6 inches and seal watertight.

B. Erect stone in accordance with stone supplier's instructions and erection drawings.

C. Set stone with a consistent joint width of 3/8 inch.

D. Install anchors and place setting buttons to support stone and to establish joint dimensions.

E. Install weep/cavity vents in vertical stone joints at 24 inches on center horizontally, immediately above horizontal flashings, above shelf angles and supports, at bottom of walls, and at top of each cavity space ; do not permit mortar accumulation in cavity space.

F. Joints in Exterior Work: Seal joints with joint sealant over backer rod, following sealant manufacturer's instructions; tool sealant surface to concave profile.

1. Apply masking tape where required, in continuous strips in alignment with joint edge.

Remove tape immediately after joints have been sealed and tooled as directed

2. Follow sealant manufacturer's instructions regarding mixing, surface preparation, priming, application life, application procedure, and temperature requirements.

G. Joints in Interior Work: Leave perimeter joints and expansion joints open for sealant; fill other joints with pointing mortar; pack and work into voids; tool surface to concave joint.

H. Clean adjacent surfaces free of sealant or soiling resulting from this work as work progresses.

Use solvent or cleaning agent, nonstaining to limestone, as recommended by sealant manufacturer. All finished work shall be left neat and in clean condition.

3.04 MASONRY FLASHINGS

A. Whether or not specifically indicated, install masonry flashing to divert water to exterior at all locations where downward flow of water will be interrupted.

1. Extend flashings full width at such interruptions and at least 8 inches, minimum, into adjacent masonry or turn up flashing ends at least 1 inch, minimum, to form watertight pan

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MRae Exterior Stone Cladding 04 4200 - 4 at non-masonry construction.

2. Remove or cover protrusions or sharp edges that could puncture flashings.

3. Seal lapped ends and penetrations of flashing before covering with mortar.

B. Terminate flashing up 8 inches minimum on vertical surface of backing:

1. Install vertical leg of flashing behind water-resistive barrier sheet over backing.

2. Install vertical leg of flashing over fluid-applied or self-adhered air/vapor barriers over backing or per manufacturer’s directions.

3. Terminate vertical leg…