36C78619B0019-0001001.pdf

FORT BLISS NATIONAL CEMETERY PROJECT NO. 886CM3024

INSTALL PRE-PLACED CRYPTS JULY 22, 2019

TABLE OF CONTENTS

00 01 10-1

DEPARTMENT OF VETERANS AFFAIRS

NCA MASTER SPECIFICATIONS

Section 00 01 10

DIVISION 00 - SPECIAL SECTIONS DATE

00 01 15 List of Drawing Sheets 05-10

DIVISION 01 - GENERAL REQUIREMENTS

01 00 02 General Requirements 06-14 01 32 17 Network Analysis Schedules (Microsoft Project Gantt Chart) 10-10 01 33 23 Shop Drawings, Product Data, and Samples 06-14 01 42 19 Reference Standards 06-14 01 45 29 Testing Laboratory Services 06-14 01 57 19 Temporary Environmental Controls 06-14 01 74 19 Construction Waste Management 06-14 01 81 13 Sustainable Construction Requirements 08-16

DIVISION 02 – EXISTING CONDITIONS

02 41 10 Demolition and Site Clearing 06-14

DIVISION 03 – CONCRETE

03 30 53 Cast-in-Place Concrete 06-14 03 48 21 Precast Concrete Burial Crypts (Double Depth Lawn Crypts) 06-13

DIVISION 4 – MASONRY (division added)

04 05 13 Masonry Mortaring 06-14 04 05 16 Masonry Grouting 06-14 04 43 00 Natural Stone Veneer 10-18

DIVISION 07 – THERMAL AND MOISTURE PROTECTION (division added)

07 92 00 Joint Sealants 06-14

DIVISION 10 – SPECIALTIES

10 14 00 Exterior Signage 06-14

DIVISION 31 – EARTHWORK

31 05 19.13 Geotextiles for Earthwork 31 20 11 Earth Moving 11-16

00 01 10-2

DIVISION 32 – EXTERIOR IMPROVEMENTS

32 05 23 Cement and Concrete for Exterior Improvements 11-16 32 12 16 Asphalt Paving 11-16 32 17 23 Pavement Markings 11-16 32 31 13 Chain Link Fences and Gates 11-16 32 31 19 Decorative Metal Fences and Gates 11-16 32 33 00 Site Furnishings 01-17 32 84 00 Planting Irrigation 01-17 32 90 00 Planting 11-16 32 95 16 Stone Topdress

DIVISION 33 – UTILITIES

33 40 00 Storm Sewer Utilities 11-16

APPENDICES

Geotechnical Report Requirements for Topographic Survey

MASONRY MORTARING

04 05 13- 1

SECTION 04 05 13

PART 1 - GENERAL

1.1 DESCRIPTION:

A. Section specifies mortar materials and mixes.

1.2 RELATED WORK:

A. Mortar used in section:

1. Section 04 05 16, MASONRY GROUTING.

2. Section 04 43 00, NATURAL STONE VENEER.

1.3 TESTING LABORATORY-CONTRACTOR RETAINED

A. Engage a commercial testing laboratory approved by Resident Engineer/Contracting Officer’s

Representative (RE/COR) to perform tests specified below.

B. Submit information regarding testing laboratory's facilities and qualifications of technical personnel to RE/COR.

1.4 TESTS

A. Test materials proposed for use for compliance with specifications in accordance with test methods contained in referenced specifications and as follows:

B. Mortar:

1. Test for compressive strength and water retention; ASTM C270.

2. Mortar compressive strengths 28 days as follows:

Type M: Minimum 2500 psi at 28 days.

Type S: Minimum 1800 psi at 28 days.

Type N: Minimum 750 psi at 28 days.

C. Cement:

1. Test for water soluble alkali (nonstaining) when nonstaining cement is specified.

2. Nonstaining cement shall contain not more than 0.03 percent water soluble alkali.

D. Sand: Test for deleterious substances, organic impurities, soundness and grading.

1.5 SUBMITTALS

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND

SAMPLES.

B. Certificates:

1. Testing laboratory's facilities and qualifications of its technical personnel.

2. Indicating that following items meet specifications:

a. Portland cement.

b. Masonry cement.

c. Mortar cement.

d. Hydrated lime.

04 05 13- 2

e. Fine aggregate (sand).

f. Color admixture.

C. Laboratory Test Reports:

1. Mortar, each type.

2. Admixtures.

D. Manufacturer's Literature and Data:

1. Cement, each kind.

2. Hydrated lime.

3. Admixtures.

4. Liquid acrylic resin.

1.6 PRODUCT DELIVERY, STORAGE AND HANDLING

A. Deliver masonry materials in original sealed containers marked with name of manufacturer and identification of contents.

B. Store masonry materials under waterproof covers on planking clear of ground, and protect damage from handling, dirt, stain, water and wind.

1.7 APPLICABLE PUBLICATIONS

A. Publications listed below form a part of specification to extent referenced. Publications are referenced in text by basic designation only.

B. American Society for Testing and Materials (ASTM):

C40-11........................................ Organic Impurities in Fine Aggregates for Concrete

C91-12........................................ Masonry Cement

C109-11 ..................................... Compressive Strength of Hydraulic Cement Mortars (Using 2-in.

or 50-MM Cube Specimens)

C144-04 ..................................... Aggregate for Masonry Mortar

C150-12 ..................................... Portland Cement

C207-06(2011) ........................... Hydrated Lime for Masonry Purposes

C270-12 ..................................... Mortar for Unit Masonry

C595-13 ..................................... Blended Hydraulic Cement

C780-10 ..................................... Preconstruction and Construction Evaluation of Mortars for Plain and Reinforced Unit Masonry

C979-10 ..................................... Pigments for Integrally Colored Concrete

C1329-12 ................................... Mortar Cement

04 05 13- 3

PART 2 - PRODUCTS

2.1 HYDRATED LIME

A. ASTM C207, Type S.

2.2 AGGREGATE FOR MASONRY MORTAR

A. ASTM C144 and as follows:

1. Light colored sand for mortar for laying face brick.

2. White plastering sand meeting sieve analysis for mortar joints for pointing except that 100 percent passes No. 8 sieve, and not more than 5 percent retained on No. 16 sieve.

B. Test sand for color value in accordance with ASTM C40. Sand producing color darker than specified standard is unacceptable.

2.3 BLENDED HYDRAULIC CEMENT

A. ASTM C595, Type IS, IP.

2.4 MASONRY CEMENT

A. ASTM C91. Type N, S, or M.

B. Use white masonry cement whenever white mortar is specified.

2.5 MORTAR CEMEMT

A. ASTM C1329, Type N, S or M.

2.6 PORTLAND CEMENT

A. ASTM C150, Type I.

B. Use white Portland cement wherever white mortar is specified.

2.7 LIQUID ACRYLIC RESIN

A. A formulation of acrylic polymers and modifiers in liquid form designed for use as an additive for mortar to improve physical properties.

2.8 WATER

A. Potable, free of substances that are detrimental to mortar, masonry, and metal.

2.9 POINTING MORTAR

A. For Cast Stone or Precast Concrete: Proportion by volume; One part white Portland cement, two parts white sand, and 1/5 part hydrated lime.

2.10 MASONRY MORTAR

A. Conform to ASTM C270.

B. Admixtures:

1. Do not use mortar admixtures, except color admixtures if approved by RE/COR.

2. Submit laboratory test report showing effect of proposed admixture on strength, water retention, and water repellency of mortar.

3. Do not use antifreeze compounds.

C. Colored Mortar:

1. Maintain uniform mortar color for exposed work throughout.

04 05 13- 4

2. Match mortar color in approved sample or mock-up.

3. Color of mortar for exposed work in alteration work to match color of existing mortar unless specified otherwise.

D. Color Admixtures:

1. Proportion as specified by manufacturer.

2. For color, owner to select from manufacturers recommended colors.

2.11 CEMENT COATING MORTAR

A. Conform to ASTM C270.

B. Admixtures:

1. Do not use mortar admixtures, except color admixtures if approved by RE/COR.

2. Submit laboratory test report showing effect of proposed admixture on strength, water retention, and water repellency of mortar.

3. Do not use antifreeze compounds.

C. Colored Mortar:

1. Maintain uniform mortar color for exposed work throughout.

2. Match mortar color in approved sample or mock-up.

3. Color of mortar for exposed work in alteration work to match color of existing mortar unless specified otherwise.

D. Color Admixtures:

1. Proportion as specified by manufacturer.

2. For color, owner to select from manufacturers recommended colors.

2.12 COLOR ADMIXTURE

A. Pigments: ASTM C979.

B. Use mineral pigments only. Organic pigments are not acceptable.

C. Pigments inert, stable to atmospheric conditions, nonfading, alkali resistant and water insoluble.

PART 3 - EXECUTION

3.1 MIXING

A. Mix in a mechanically operated mortar mixer.

1. Mix mortar for at least three minutes but not more than five minutes.

B. Measure ingredients by volume. Measure by the use of a container of known capacity.

C. Mix water with dry ingredients in sufficient amount to provide a workable mixture which will adhere to vertical surfaces of masonry units.

D. Mortar that has stiffened because of loss of water through evaporations:

1. Re-tempered by adding water to restore to proper consistency and workability.

2. Discard mortar that has reached its initial set or has not been used within two hours.

E. Pointing Mortar:

04 05 13- 5

1. Mix dry ingredients with enough water to produce a damp mixture of workable consistency which will retain its shape when formed into a ball.

2. Allow mortar to stand in dampened condition for one to 1-1/2 hours.

3. Add water to bring mortar to a workable consistency prior to application.

3.2 MORTAR USE LOCATION

A. Use Type S mortar for masonry containing vertical reinforcing bars (non-engineered), masonry below grade and setting natural stone, and engineered reinforced unit masonry work.

B. For brick veneer over frame back up walls, use Type N portland cement-lime mortar or Type S masonry cement or mortar cement mortar.

C. Use Type N mortar for other masonry work, except as otherwise specified.

D. Use Type N mortar for tuck pointing work.

E. Use pointing mortar for items specified.

- - - E N D - - -

MASONRY GROUTING

04 05 16 - 1

SECTION 04 05 16

1.1 DESCRIPTION:

A. Section specifies grout materials and mixes.

1.2 RELATED WORK:

A. Grout used in section:

1. Section 04 20 00, UNIT MASONRY.

2. Section 04 43 00, NATURAL STONE VENEER.

B. Grout Color: Match Existing Wall

1.3 TESTS:

A. Certified test reports for grout and materials specified.

B. Identify materials by type, brand name and manufacturer or by origin.

C. After tests have been made and materials approved, do not change without additional test and approval of Resident Engineer/Contracting Officer’s Representative.

D. Testing:

1. Grout:

a. Test for compressive strength; ASTM C1019.

b. Grout compressive strength of 2000 psi at 28 days.

2. Cement:

a. Test for water soluble alkali (nonstaining) when nonstaining cement is specified.

b. Nonstaining cement shall contain not more than 0.03 percent water soluble alkali.

3. Sand: Test for deleterious substances, organic impurities, soundness and grading.

1.4 SUBMITTALS:

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND

SAMPLES.

B. Certificates:

1. Indicating that following items meet specifications:

a. Portland cement.

b. Masonry cement.

c. Grout.

d. Hydrated lime.

e. Fine aggregate (sand).

f. Color admixture.

C. Laboratory Test Reports:

1. Grout, each type.

2. Admixtures.

04 05 16 - 2

D. Manufacturer's Literature and Data:

1. Cement, each kind.

2. Hydrated lime.

3. Admixtures.

4. Liquid acrylic resin.

E. Samples

1. Color

1.5 PRODUCT DELIVERY, STORAGE AND HANDLING:

A. Deliver masonry materials in original sealed containers marked with name of manufacturer and identification of contents.

B. Store masonry materials under waterproof covers on planking clear of ground, and protect damage from handling, dirt, stain, water and wind.

1.6 APPLICABLE PUBLICATIONS:

A. Publications listed below form a part of specification to extent referenced. Publications are referenced in text by basic designation only.

B. American Society for Testing and Materials (ASTM):

C40-11........................................ Organic Impurities in Fine Aggregates for Concrete

C91-12........................................ Masonry Cement

C150-12 ..................................... Portland Cement

C207-06(2011) ........................... Hydrated Lime for Masonry Purposes

C404-11 ..................................... Aggregate for Masonry Grout

C476-10 ..................................... Grout for Masonry

C595-13 ..................................... Blended Hydraulic Cement

C979-10 ..................................... Pigments for Integrally Colored Concrete

C1019-11 ................................... Sampling and Testing Grout

PART 2 - PRODUCTS

2.1 HYDRATED LIME:

A. ASTM C207, Type S.

2.2 AGGREGATE FOR MASONRY GROUT:

A. ASTM C404, Size 8.

2.3 BLENDED HYDRAULIC CEMENT:

A. ASTM C595, Type IS, IP.

B. Recycled Content: recycled content, minimum as noted below.

1. For Type IP: Combined Fly Ash and Pozzolan: 25 percent total recycled content, minimum.

2. For Type IS: Ground Granulated Blast-Furnace Slag: 50 percent total recycled content, minimum.

04 05 16 - 3

2.4 MASONRY CEMENT:

A. ASTM C91. Type N, S, or M.

B. Use white masonry cement whenever white mortar is specified.

2.5 PORTLAND CEMENT:

A. ASTM C150, Type I.

B. Use white Portland cement wherever white mortar is specified.

2.6 LIQUID ACRYLIC RESIN:

A. A formulation of acrylic polymers and modifiers in liquid form designed for use as an additive for mortar to improve physical properties.

2.7 WATER:

A. Potable, free of substances that are detrimental to grout, masonry, and metal.

2.8 GROUT:

A. Conform to ASTM C476 except as specified.

B. Grout type proportioned by volume as follows:

1. Fine Grout:

a. Portland cement or blended hydraulic cement: one part.

b. Hydrated lime: 0 to 1/10 part.

c. Fine aggregate: 2-1/4 to three times sum of volumes of cement and lime used.

2. Coarse Grout:

a. Portland cement or blended hydraulic cement: one part.

b. Hydrated lime: 0 to 1/10 part.

c. Fine aggregate: 2-1/4 to three times sum of volumes of cement and lime used.

d. Coarse aggregate: one to two times sum of volumes of cement and lime used.

3. Sum of volumes of fine and coarse aggregates: Do not exceed four times sum of volumes of cement and lime used.

2.9 COLOR ADMIXTURE:

A. Pigments: ASTM C979.

B. Use mineral pigments only. Organic pigments are not acceptable.

C. Pigments inert, stable to atmospheric conditions, nonfading, alkali resistant and water insoluble.

3.1 MIXING:

A. Mix in a mechanically operated grout mixer.

1. Mix grout for at least five minutes.

B. Measure ingredients by volume.

C. Mix water with grout dry ingredients in sufficient amount to bring grout mixture to a pouring consistency.

04 05 16 - 4

3.2 GROUT USE LOCATIONS

A. Use fine grout for filling wall cavities and cells of concrete masonry units where the smallest dimension is 2 inches or less.

B. Use either fine grout or coarse grout for filling wall cavities and cells of concrete masonry units where the smallest dimension is greater than 2 inches.

C. Use grout for filling voids at foundations.

NATURAL STONE VENEER

04 43 00 - 1

SECTION 04 43 00

1.1 DESCRIPTION

A. This section specifies requirements for construction of natural stone veneer.

1.2 RELATED WORK

A. Cast-in-place concrete: Section 03 30 53, CAST-IN-PLACE CONCRETE.

B. Mortars and grouts: Section 04 05 13, MASONRY MORTARING, Section 04 05 16, MASONRY

GROUTING.

C. Sealants and sealant installation: Section 07 92 00, JOINT SEALANTS.

1.3 SUBMITTALS

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA AND

SAMPLES.

B. Samples:

1. Stone Veneer, sample, 8 inches by 16 inches, showing full color range and texture of stone, bond, and proposed mortar joints.

2. Anchors, and ties, one each and joint reinforcing 48 inches long.

C. Certificates signed by stone source, including name and address of Contractor, project location, and the quantity, and date or dates of shipment of delivery to which certificate applies; indicate that the stone veneer meets specification requirements.

D. Manufacturer's Literature and Data:

1. Anchors, ties, and reinforcement.

2. Reinforcing bars.

1.4 SAMPLE PANEL

A. Before starting masonry, lay up a sample panel as specified:

1. Use stone units from random pallets of units delivered on site.

2. Include reinforcing, ties, and anchors.

3. Provide a 4 feet x 5 feet panel.

B. Use sample panels approved by Resident Engineer/Contracting Officer’s Representative

(RE/COR) for standard of workmanship of new masonry work.

C. Use sample panel to test cleaning methods.

1.5 WARRANTY

A. Warrant exterior masonry walls against moisture leaks and subject to terms of "Warranty of

Construction", FAR clause 52.246-21, except that warranty period to be five years.

04 43 00 - 2

1.6 APPLICABLE PUBLICATIONS

A. Publications listed below form a part of this specification to extent referenced. Publications are referenced in text by the basic designation only. Comply with applicable provisions and recommendations of the following, except as otherwise shown or specified.

B. American Society for Testing and Materials (ASTM):

A82/A82M-07 Steel Wire, Plain, for Concrete Reinforcement

A153/A153M-09 Zinc Coating (Hot-Dip) on Iron and Steel Hardware

A951/A951M-11 Steel Wire for Masonry Joint Reinforcement

C97/C97M-09 Absorption and Bulk Gravity of Dimension Stone

C99/C99M-09 Modulus of Rupture of Dimension Stone

C119-11 Standard Terminology Relating to Dimension Stone

C170/C170M-09 Compressive Strength of Dimension Stone

C616/C616M-10 Quartz-Based Dimension Stone

C880/C880M-09 Flexural Strength of Dimension Stone

C1242-12ae1 Selection, Design, and Installation of Dimension Stone

Attachment Systems

C1353-09 Abrasion Resistance of Dimension Stone Subjected to Foot

Traffic Using a Rotary Platform, Double-Head Abraser

C1515-11 Cleaning of Exterior Dimension Stone, Vertical and Horizontal

Surfaces, New or Existing

C1528-12b Selection of Dimension Stone

D1056-07 Flexible Cellular Materials – Sponge Expanded Rubber

D7089-06 Determination of the Effectiveness of Anti-Graffiti Coating for

Use on Concrete, Masonry, and Natural Stone Surfaces by

Pressure Washing

C. Masonry Industry Council:

All Weather Masonry Construction Manual, 2000

D. International Masonry Industry All Weather Council (IMIAC):

Recommended Practices and Guide Specification for Cold Weather Masonry Construction

1.7 PRE-INSTALLATION CONFERENCE

A. Convene a meeting on site, after submittals are received and approved but before any work, to review drawings and specifications, submittals, schedule, manufacturer instructions, site logistics and pertinent matters of coordination, temporary protection, governing regulations, tests and inspections; participants to include RE/COR and all parties whose work is affected or related to the work of this section.

04 43 00 - 3

PART 2 - PRODUCTS

2.1 ACCEPTABLE STONE PRODUCTS

A. Retaining Wall: Other Field Stone Provide sound natural stone as follows:

1. Face Size: Match existing site wall.

2. Color Range, finish, match existing site wall.

2.2 REINFORCEMENT AND ANCHORAGES

A. Materials: Provide ties and anchors specified in subsequent paragraphs that are made from materials that comply paragraphs below, unless otherwise indicated.

1. Hot-Dip Galvanized, Carbon-Steel Wire: ASTM A82; with ASTM A153/153M, Class B-2 coating.

B. Wire Ties, General: Unless otherwise indicated, size wire ties to extend at least halfway through veneer but at least 5/8-inch cover on outside face. Outer ends of wires are bent 90 degrees and extend 2 inches parallel to face of veneer.

C. Individual Wire Ties: Rectangular units with closed ends and not less than 4 inches.

1. Where withes do not align or are of different materials, use adjustable ties with pintle-and-eye connections having a maximum adjustment of 1-1/4 inches.

2. Wire: Fabricate from 3/16-inch diameter, hot-dip galvanized steel wire. Mill-galvanized wire ties may be used in interior walls, unless otherwise indicated.

3. Basis of Design for Acceptable Product: Heckman Building Products, Inc.; No. 262.

D. Adjustable Masonry-Veneer Anchors:

1. General: Provide anchors that allow vertical adjustment but resist tension and compression forces perpendicular to plane of wall, for attachment over sheathing to wood or metal studs, and as follows:

a. Structural Performance Characteristics: Capable of withstanding a 100 lbf load in both tension and compression without deforming or developing play in excess of 0.05 inch.

2. Screw-Attached, Masonry-Veneer Anchors: Units consisting of a wire tie and a metal anchor section.

a. Anchor Section: Zinc-allow barrel section with flanged head with eye and corrosion– resistant, self-drilling screw. Eye designed to receive wire tie and to serve as head for drilling fastener into framing. Barrel length to suit sheathing thickness, allowing screw to seat directly against framing with flanged head covering hole in sheathing.

b. Wire Ties: Triangular-, rectangular-, or T-shaped wire ties fabricated from 0.188-inch diameter, hot-dip galvanized steel wire.

c. Acceptable Product: Heckmann Building Products, Inc.; No. 75 Pos-I-Tie.

2.3 ACCESSORIES

A. Joint Sealant: Refer to Section 07 92 00, JOINT SEALANTS.

B. Nailing Strips: Western softwood, preservative treated, sized to masonry joints.

04 43 00 - 4

C. Weep Holes: Leave-out of full head mortar joints.

D. Cavity Drainage Material: Free-draining mesh, made from polymer strands that will not degrade within the wall cavity.

1. Strips, full-depth of cavity and 10 inches wide, with dovetail shaped notches 7 inches deep that prevent mesh from being clogged with mortar droppings.

E. Mortar: Refer to Section 04 05 13, MASONRY MORTARING.

F. Expansion Joint Fillers: ASTM D1056 Class RE-11.

G. Anti-Graffiti Coating: Furnish and install a permanent two coat anti-graffiti coating system, matte type finish (non-gloss), designed to be applied on concrete and brick surfaces and to provide a minimum life, as indicated in the manufacturer’s literature, of 10 years. The coating system shall be clear.

3.1 EXAMINATION

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

B. Verify items provided by other sections of work are properly sized and located.

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

D. Beginning of installation means installer accepts existing conditions.

3.2 PREPARATION

A. Verify items provided by other sections of work are properly sized and located.

B. Establish lines, levels, and coursing; protect from disturbance.

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

D. Scaffolding: Provide, erect, maintain, move, and finally remove scaffolding and staging required for masonry installation. Construct and maintain scaffolding in compliance with applicable ordinances, laws, rules and regulations. Scaffolding must be sufficiently substantial to support workmen, and necessary materials and equipment. Provide adequate guard rails for protection of property, workmen, and passerby.

E. Clean dirty or stained stone surfaces by removing soil, stains, and foreign materials before setting. Clean stone by thoroughly scrubbing with fiber brushes and then drenching with clear water. Use only mild cleaning compounds that contain no caustic or harsh materials or abrasives.

F. Coat stone with dampproofing to extent indicated below:

1. Stone at Grade: Beds, joints, and back surfaces to at least 12 inches above finish-grade elevations.

2. Stone Extending Below Grade: Beds, joints, back surfaces, and face surfaces below grade.

04 43 00 - 5

3. Allow dampproofing to cure before setting dampproofed stone. Do not damage or remove dampproofing while handling and setting stone.

3.3 COURSING

A. Place masonry to lines and level indicated.

B. Arrange and trim stones for adequate fit in a ransom pattern with course heights as shown on drawings, random lengths, uniform joint widths with offset between vertical joints as shown on drawings.

3.4 PLACING AND BONDING

A. Lay masonry in full bed of mortar (horizontal, vertical, and collar joints), properly jointed with other work. Buttering corners of joints and deep or excessive furrowing of mortar joints is not permitted.

B. Fully bond intersections, and external and internal corners.

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

D. Remove excess mortar on surface and in cavities.

E. Perform job site saw cutting with proper tools to provide straight unchipped edges. Take care to prevent breaking masonry unit corners or edges.

3.5 TOLERANCES

A. Alignment of Columns: Maximum of 1/8 inch from true line.

B. Variation from Unit to Adjacent Unit: 1/32 inch maximum.

C. Variation from Plane of Wall: 1/8 inch in 10 feet and 1/4 inch in 20 feet or more.

D. Variation from Plumb: 1/4 inch per story non-cumulative, 1-1/2 inch in two stories or more.

E. Variation from Level Coursing: 1/8 inch in 3 feet; 1/4 inch in 10 feet; 1/4 inch maximum.

F. Variation of Joint Thickness: 1/8 inch in 3 feet.

G. Maximum variation from Cross Sectional Thickness of Walls: Plus or minus 1/4 inch.

3.6 REINFORCEMENT AND ANCHORAGES

A. Attach wall ties to wall studs (or other solid and secure framing members) for veneer construction at maximum 16 inches oc vertically and 16 inches oc horizontally. Place at maximum 8 inches oc

(or every third course) each way around perimeter of openings, within 12 inches of openings.

B. Anchor stone veneer to unit masonry with metal veneer anchors as follows:

1. Secure wire anchors by inserting pintles into eyes of masonry wall reinforcement projecting from horizontal mortar joints.

2. Embed anchors in veneer mortar joints to within 1 inch of face.

3.7 MASONRY FLASHINGS

A. Extend flashings to exterior face of veneer, turn up a minimum of inches and seal onto face of sheathing over stud framed back-up.

B. Lap end joints minimum 6 inches and seal watertight per manufacturer’s recommendation.

C. Use flashing manufacturer’s recommended adhesive and termination sealant.

04 43 00 - 6

D. Create end dams at end of window heads, and other vertical elements to channel water to nearest weep hole away from windows and other items which might allow water to travel vertically.

3.8 LINTELS

A. Install loose steel lintels as scheduled or shown. Leave space at end of lintels to expand.

3.9 WEEPS AND VENTS

A. Install weep holes in veneer at 24 inches on center horizontally above through-wall flashing, above shelf angles, and at bottom of walls.

3.10 CONTROL/EXPANSION JOINTS

A. Size control joints in accordance with Section 07 92 00, JOINT SEALANTS for sealant performance, but in no case larger than adjacent mortar joints.

B. Provide expansion joints as indicated.

3.11 BUILT-IN WORK

A. As work progresses, build-in metal door frames, fabricated metal frames, window frames, wood nailing strips, anchor bolts, plates, and other items to be built in the work supplied by other sections.

B. Build-in items plumb and level.

C. Bed anchors of metal door and glazed frames in mortar joints. Fill frame voids solid with mortar.

D. Do not build-in organic materials subject to deterioration.

3.12 CUTTING AND FITTING

A. Cut and fit for chases, pipes, conduit, sleeves, and grounds. Cooperate with other sections of work to provide correct size, shape, and location.

B. Obtain approval prior to cutting or fitting any area not indicated or where appearance or strength of masonry work may be impaired.

3.13 CLEANING

A. Remove excess mortar and smears.

B. Replace defective mortar. Match adjacent work.

C. Clean soiled surfaces with non-acidic solution which will not harm masonry or adjacent materials.

Consult masonry manufacturer for acceptable cleaners. Leave surfaces thoroughly clean and free of all mortar and other soiling.

D. Use non-metallic tools in cleaning operations.

E. Comply with ASTM C1515 and D7089.

3.14 PROTECTION

A. Maintain protective boards at exposed external corners which may be damaged by construction activities.

B. Provide protection without damaging completed work.

C. Keep expansion joint voids clear of mortar.

04 43 00 - 7

JOINT SEALANTS

07 92 00 - 1

SECTION 07 92 00

1.1 DESCRIPTION

A. Section covers all sealant and caulking materials and their application, wherever required for complete installation of building materials or systems.

1.2 RELATED WORK

A. Sealing of site work concrete paving: Section 32 05 23, CEMENT AND CONCRETE FOR

EXTERIOR IMPROVEMENTS.

B. Masonry control and expansion joint: Section 04 20 00, UNIT MASONRY.

C. Sealing joints in stone veneer: Section 04 43 00, NATURAL STONE VENEER.

1.3 QUALITY CONTROL

A. Installer Qualifications: An experienced installer who has specialized in installing joint sealants similar in material, design, and extent to those indicated for this Project and whose work has resulted in joint-sealant installations with a record of successful in-service performance.

B. Source Limitations: Obtain each type of joint sealant through one source from a single manufacturer.

C. Product Testing: Obtain test results from a qualified testing agency based on testing current sealant formulations within a 12-month period.

1. Testing Agency Qualifications: An independent testing agency qualified according to ASTM

C1021.

2. Test elastomeric joint sealants for compliance with requirements specified by reference to

ASTM C920, and where applicable, to other standard test methods.

3. Test elastomeric joint sealants according to SWRI’s Sealant Validation Program for compliance with requirements specified by reference to ASTM C920 for adhesion and cohesion under cyclic movement, adhesion-in peel, and indentation hardness.

4. Test other joint sealants for compliance with requirements indicated by referencing standard specifications and test methods.

5. Determine sealants will not stain joint substrates according to ASTM C1248.

D. Preconstruction Field-Adhesion Testing: Before installing elastomeric sealants, field test their adhesion to joint substrates in accordance with sealant manufacturer’s recommendations:

1. Locate test joints where indicated or, if not indicated, as directed by Resident Engineer/

Contracting Officer’s Representative (RE/COR).

2. Conduct field tests for each application indicated below:

a. Each type of elastomeric sealant and joint substrate indicated.

b. Each type of non-elastomeric sealant and joint substrate indicated.

3. Notify RE/COR seven days in advance of dates and times when test joints will be erected.

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4. Arrange for tests to take place with joint sealant manufacturer’s technical representative present. Provide written acceptance from manufacturer’s technical representative that materials pass for adhesion and compatibility.

E. Meet VOC requirements of pertinent CARB and/or SCAQMD Rule for sealants VOC (4 percent by weight VOC or less in less than 16-ounce package or less than 250 g/L in larger package). All non-porous sealant primers must be below 250g/L and primers for porous substrates less than

775 g/L.

F. Mockups: Before installing joint sealants, apply elastomeric sealants as follows to verify selections made under sample submittals and to demonstrate aesthetic effects and qualities of materials and execution:

1. Joints in mockups of assemblies specified in other sections, that are indicated to receive elastomeric joint sealants, which are specified by reference to this section.

1.4 SUSTAINABILITY REQUIREMENTS

A. Materials in this section may contribute towards contract compliance with sustainability requirements. See Section 01 81 13, SUSTAINABLE CONSTRUCTION REQUIREMENTS, for project low-emitting materials, requirements.

B. Biobased Material: For products designated by the USDA’s BioPreferred® program, provide products that meet or exceed USDA recommendations for biobased content, subject to the products compliance with performance requirements in this Section. For more information regarding the product categories covered by the BioPreferred® program, visit http://www.biopreferred.gov.

1.5 SUBMITTALS

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND

SAMPLES.

B. Manufacturer's installation instructions for each product used.

C. Cured samples of exposed sealants for each color where required to match adjacent material.

D. Manufacturer's Literature and Data:

1. Caulking compound.

2. Primers.

3. Sealing compound, each type, including compatibility when different sealants are in contact with each other.

1.6 PRE-INSTALLATION CONFERENCE

A. Convene a meeting on site, after submittals are received and approved but before any work, to review drawings and specifications, submittals, schedule, manufacturer instructions, site logistics and pertinent matters of coordination, temporary protection, governing regulations, tests and inspections; participants to include RE/COR and all parties whose work is affected or related to the work of this section.

http://www.biopreferred.gov/

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1.7 PROJECT CONDITIONS

A. Environmental Limitations:

1. Do not proceed with installation of joint sealants under following conditions:

a. When ambient and substrate temperature conditions are outside limits permitted by joint sealant manufacturer or are below 40 °F.

b. When joint substrates are wet.

B. Joint-Width Conditions: Do not proceed with installation of joint sealants where joint widths are less than those allowed by joint sealant manufacturer for applications indicated.

C. Joint-Substrate Conditions: Do not proceed with installation of joint sealants until contaminants capable of interfering with adhesion are removed from joint substrates.

1.8 DELIVERY, HANDLING, AND STORAGE

A. Deliver materials in manufacturers' original unopened containers, with brand names, date of manufacture, shelf life, and material designation clearly marked thereon.

B. Carefully handle and store to prevent inclusion of foreign materials.

C. Do not subject to sustained temperatures less than 40° F or exceeding 90° F.

1.9 DEFINITIONS

A. Definitions of terms in accordance with ASTM C717 and as specified.

B. Back-up Rod: A type of sealant backing.

C. Bond Breakers: A type of sealant backing.

D. Filler: A sealant backing used behind a back-up rod.

1.10 WARRANTY

A. Warranty exterior sealing against leaks, adhesion, and cohesive failure, and subject to terms of

"Warranty of Construction", FAR clause 52.246-21, except that warranty period to be extended to five years.

B. General Warranty: Special warranty specified in this Article will not deprive Government of other rights Government may have under other provisions of Contract Documents and are in addition to, and run concurrent with, other warranties made by Contractor under requirements of Contract

Documents.

1.11 APPLICABLE PUBLICATIONS

A. Publications listed below form a part of this specification to extent referenced. Publications are referenced in text by the basic designation only. Comply with applicable provisions and recommendations of the following, except as otherwise shown or specified.

B. American Society for Testing and Materials (ASTM):

C612-10 Mineral Fiber Block and Board Thermal Insulation

C717-12b Standard Terminology of Building Seals and Sealants

C734-06(2012) Low Temperature Flexibility of Latex Sealants after Artificial

Weathering

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C834-10 Latex Sealants

C919-12 Use of Sealants in Acoustical Applications

C920-11 Elastomeric Joint Sealants

C1021-08 Laboratories Engaged in Testing of Building Sealants

C1193-13 Use of Joint Sealants

C1248-08(2012) Staining of Porous Substrate by Joint Sealants

C1330-02(2013) Cylindrical Sealant Backing for Use with Cold Liquid-Applied

Sealants

D217-10 Cone Penetration of Lubricating Grease

D1056-07 Flexible Cellular Materials—Sponge or Expanded Rubber

E84-12c Surface Burning Characteristics of Building Materials

C. California Air Resources Board (CARB)

D. South Coast Air Quality Management District (SCAQMD)

E. Sealant, Waterproofing and Restoration Institute (SWRI):

The Professionals’ Guide

PART 2 - PRODUCTS

2.1 SEALANTS

A. S-1:

1. ASTM C920, polyurethane.

2. Type M.

3. Class 25.

4. Grade NS.

5. Shore A hardness of 20-40.

B. S-2:

1. ASTM C920, polyurethane.

2. Type M.

3. Class 25.

4. Grade P.

5. Shore A hardness of 25-40.

C. S-3:

1. ASTM C920, polyurethane.

2. Type S.

3. Class 25, joint movement range of plus or minus 50 percent.

4. Grade NS.

5. Shore A hardness of 15-25.

6. Minimum elongation of 700 percent.

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D. S-4:

1. ASTM C920 polyurethane.

2. Type S.

3. Class 25.

4. Grade NS.

5. Shore A hardness of 25-40.

E. S-5:

1. ASTM C920, polyurethane.

2. Type S.

3. Class 25.

4. Grade P.

5. Shore hardness of 15-45.

F. S-6:

1. ASTM C920, silicone, neutral cure.

2. Type S.

3. Class: Joint movement range of plus 100 percent to minus 50 percent.

4. Grade NS.

5. Shore A hardness of 15-20.

G. S-7:

1. ASTM C920, silicone, neutral cure.

2. Type S.

3. Class 25.

4. Grade NS.

5. Shore A hardness of 25-30.

6. Structural glazing application.

H. S-8:

1. ASTM C920, silicone, acetoxy cure.

2. Type S.

3. Class 25.

4. Grade NS.

5. Shore A hardness of 25-30.

6. Structural glazing application.

I. S-9:

1. ASTM C920 silicone.

2. Type S.

3. Class 25.

4. Grade NS.

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5. Shore A hardness of 25-30.

6. Non-yellowing, mildew resistant.

J. S-10:

1. ASTMC C920, coal tar extended fuel resistance polyurethane.

2. Type M/S.

3. Class 25.

4. Grade P/NS.

5. Shore A hardness of 15-20.

K. S-11:

1. ASTM C920 polyurethane.

2. Type M/S.

3. Class 25.

4. Grade P/NS.

5. Shore A hardness of 35 to 50.

L. S-12:

1. ASTM C920, polyurethane.

2. Type M/S.

3. Class 25, joint movement range of plus or minus 50 percent.

4. Grade P/NS.

5. Shore A hardness of 25 to 50.

2.2 CAULKING COMPOUND

A. C-1: ASTM C834, acrylic latex.

B. C-2: Polymer-based acoustical sealant conforming to ASTM C919 must have a flame spread of

25 or less and a smoke developed rating of 50 or less when tested in accordance with ASTM

E84. Acoustical sealant must have a consistency of 250 to 310 when tested in accordance with

ASTM D217, and must remain flexible and adhesive after 500 hours of accelerated weathering as specified in ASTM C734, and must be non-staining.

2.3 COLOR

A. Match color of mortar joints at exposed masonry.

B. Match color of adjacent concrete at unpainted concrete.

C. Provide light gray or aluminum, unless specified otherwise, for other locations.

D. Provide light gray or white caulking, unless specified otherwise.

2.4 JOINT SEALANT BACKING

A. General: Provide sealant backings of material and type that are non-staining; are compatible with joint substrates, sealants, primers, and other joint fillers; and are approved for applications indicated by sealant manufacturer based on field experience and laboratory testing.

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B. Cylindrical Sealant Backings: ASTM C1330, of type indicated below and of size and density to control sealant depth and otherwise contribute to producing optimum sealant performance:

1. Type C: Closed-cell material with a surface skin.

C. Elastomeric Tubing Sealant Backings: Neoprene, butyl, EPDM, or silicone tubing complying with

ASTM D1056, nonabsorbent to water and gas, and capable of remaining resilient at temperatures down to minus 26° F. Provide products with low compression set and of size and shape to provide a secondary seal, to control sealant depth, and otherwise contribute to optimum sealant performance.

D. Bond-Breaker Tape: Polyethylene tape or other plastic tape recommended by sealant manufacturer for preventing sealant from adhering to rigid, inflexible joint-filler materials or joint surfaces at back of joint where such adhesion would result in sealant failure. Provide self-adhesive tape where applicable.

2.5 FILLER

A. Mineral fiber board: ASTM C612, Type IVA.

B. Thickness same as joint width.

C. Depth to fill void completely behind back-up rod.

2.6 PRIMER

A. As recommended by manufacturer of caulking or sealant material.

B. Stain free type.

2.7 CLEANERS-NON POUROUS SURFACES

A. Chemical cleaners acceptable to manufacturer of sealants and sealant backing material, free of oily residues and other substances capable of staining or harming joint substrates and adjacent non-porous surfaces and formulated to promote adhesion of sealant and substrates.

3.1 INSPECTION

A. Inspect substrate surface for bond breaker contamination and unsound materials at adherent faces of sealant.

B. Coordinate for repair and resolution of unsound substrate materials.

C. Inspect for uniform joint widths and that dimensions are within tolerance established by sealant manufacturer.

3.2 PREPARATIONS

A. Prepare joints in accordance with manufacturer's instructions and as specified only when installers are ready to initiate sealant application as soon as practicable after preparation and before subsequent surface deterioration.

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B. Clean surfaces of joint to receive caulking or sealants leaving joint dry to the touch, free from frost, moisture, grease, oil, wax, lacquer paint, or other foreign matter that would tend to destroy or impair adhesion.

1. Clean porous joint substrate surfaces by brushing, grinding, blast cleaning, mechanical abrading, or a combination of these methods to produce a clean, sound substrate capable of developing optimum bond with joint sealants.

2. Remove loose particles remaining from above cleaning operations by vacuuming or blowing out joints with oil-free compressed air. Porous joint surfaces include the following:

a. Concrete.

b. Masonry.

3. Remove laitance and form-release agents from concrete.

4. Clean nonporous surfaces with chemical cleaners or other means that do not stain, harm substrates, or leave residues capable of interfering with adhesion of joint sealants.

C. Do not cut or damage joint edges.

D. Apply masking tape to face of surfaces adjacent to joints before applying primers, caulking, or sealing compounds.

1. Do not leave gaps between ends of sealant backings.

2. Do not stretch, twist, puncture, or tear sealant backings.

3. Remove absorbent sealant backings that have become wet before sealant application and replace them with dry materials.

E. Apply primer to sides of joints wherever required by compound manufacturer's printed instructions.

1. Apply primer prior to installation of back-up rod or bond breaker tape.

2. Use brush or other approved means that will reach all parts of joints.

F. Take all necessary steps to prevent three-sided adhesion of sealants.

3.3 BACKING INSTALLATION

A. Install back-up material, to form joints enclosed on three sides as required for specified depth of sealant.

B. Where deep joints occur, install filler to fill space behind the back-up rod and position the rod at proper depth.

C. Cut fillers installed by others to proper depth for installation of back-up rod and sealants.

D. Install back-up rod, without puncturing the material, to a uniform depth, within plus or minus 1/8 inch for sealant depths specified.

E. Where space for back-up rod does not exist, install bond breaker tape strip at bottom (or back) of joint so sealant bonds only to two opposing surfaces.

F. Take all necessary steps to prevent three-sided adhesion of sealants.

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3.4 SEALANT DEPTHS AND GEOMETRY

A. At widths up to 1/4-inch, sealant depth equal to width.

B. At widths over 1/4-inch, sealant depth 1/2 of width up to 1/2-inch maximum depth at center of joint with sealant thickness at center of joint approximately 1/2 of depth at adhesion surface.

3.5 INSTALLATION

A. General:

1. Comply with manufacturer’s written installation instructions for products and applications indicated.

B. For application of sealants, follow requirements of ASTM C1193 unless specified otherwise.

3.6 CLEANING

A. Fresh compound accidentally smeared on adjoining surfaces: Scrape off immediately and rub clean with a solvent as recommended by the caulking or sealant manufacturer.

B. After filling and finishing joints, remove masking tape.

C. Leave adjacent surfaces in a clean and unstained condition.

3.7 PROTECTION

A. Protect joint sealants during and after curing period from contact with contaminating substances and from damage resulting from construction operations or other causes so sealants are without deterioration or damage at time of completion. If, despite such protection, damage or deterioration occurs, cut out and remove damaged or deteriorated joint sealants immediately so installations with repaired areas are indistinguishable from original work.

3.8 LOCATIONS

A. Exterior Building Joints, Horizontal and Vertical:

1. Metal to Metal: Type S-6, S-7.

2. Metal to Masonry or Stone: Type S-1.

3. Masonry to Masonry or Stone: Type S-1.

4. Stone to Stone: Type S-1.

5. Cast Stone to Cast Stone: Type S-1.

6. Threshold Setting Bed: Type S-1, S-3, S-4.

7. Masonry Expansion and Control Joints: Type S-6.

8. Wood to Masonry: Type S-1.

B. Metal Reglets and Flashings:

1. Flashings to Wall: Type S-6.

2. Metal to Metal: Type S-6.