Technical Exhibit K Div 07 Thermal and Moisture Protection.pdf

BITUMINOUS DAMPPROOFING 071113 - 1

SECTION 071113 - BITUMINOUS DAMPPROOFING

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Hot-applied asphalt damp-proofing.

2. Cold-applied, asphalt damp-proofing.

1.3 ACTION SUBMITTALS

A. Product Data: For each type of product.

B. LEED Submittals:

1. Product Data for Credit IEQ 4.2: For damp-proofing, documentation including printed statement of VOC content.

2. Laboratory Test Reports for Credit IEQ 4: For damp-proofing, documentation indicating that products comply with the testing and product requirements of the California Department of Health Services' "Standard Practice for the Testing of Volatile Organic Emissions from Various Sources Using Small-Scale Environmental Chambers."

1.4 FIELD CONDITIONS

A. Weather Limitations: Proceed with application only when existing and forecasted weather conditions permit damp-proofing to be performed according to manufacturers' written instructions.

B. Ventilation: Provide adequate ventilation during application of damp-proofing in enclosed spaces. Maintain ventilation until damp-proofing has cured.

BITUMINOUS DAMPPROOFING 071113 - 2

PART 2 - PRODUCTS

2.1 MATERIALS, GENERAL

A. Source Limitations: Obtain primary damp-proofing materials and primers from single source from single manufacturer. Provide protection course or molded-sheet drainage panels and auxiliary materials recommended in writing by manufacturer of primary materials.

B. VOC Content: Products shall comply with VOC content limits of authorities having jurisdiction unless otherwise required.

2.2 HOT-APPLIED ASPHALT DAMPPROOFING

A. Manufacturers: Subject to compliance with requirements of Owner.

B. Hot-Applied Asphalt: ASTM D 449, Type II or Type III.

C. VOC Content: 250 g/L or less when calculated according to 40 CFR 59, Subpart D (EPA Method 24).

D. Low-Emitting Materials: Damp-proofing shall comply with the testing and product requirements of the California Department of Health Services' "Standard Practice for the Testing of Volatile Organic Emissions from Various Sources Using Small-Scale Environmental Chambers."

2.3 COLD-APPLIED, ASPHALT DAMPPROOFING

B. Trowel Coats: ASTM D 4586, Type I, Class 1, fibered.

C. Brush and Spray Coats: ASTM D 4479, Type I, fibered or non-fibered.

D. VOC Content: 250 or 300 g/L or less when calculated according to 40 CFR 59, Subpart D (EPA Method 24).

E. Low-Emitting Materials: Damp-proofing shall comply with the testing and product

Chambers."

2.4 AUXILIARY MATERIALS

A. General: Furnish auxiliary materials recommended in writing by damp-proofing manufacturer for intended use and compatible with bituminous damp-proofing.

BITUMINOUS DAMPPROOFING 071113 - 3

B. Asphalt Primer: ASTM D 41.

C. Asphalt-Coated Glass Fabric: ASTM D 1668, Type I.

D. Patching Compound: Epoxy or latex-modified repair mortar or Asbestos-free fibered mastic of type recommended in writing by damp-proofing manufacturer.

E. Protection Course: Fan folded, with a core of extruded-polystyrene board insulation faced on one side or both sides with plastic film, nominal thickness 1/4 inch, with a compressive strength of not less than 8 psi per ASTM D 1621, and maximum water absorption by volume of 0.6 percent per ASTM C 272.

F. Protection Course: Extruded-polystyrene board insulation, un-faced, ASTM C 578, Type X, 1/2 inch thick.

G. Protection Course: Smooth-surfaced roll roofing complying with ASTM D 6380, Class S, Type III.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine substrates, areas, and conditions with Applicator present, for compliance with requirements for surface smoothness, surface moisture, and other conditions affecting performance of bituminous damp-proofing work.

1. Test for surface moisture according to ASTM D 4263.

B. Proceed with application only after substrate construction and penetrating work have been completed and unsatisfactory conditions have been corrected.

3.2 PREPARATION

A. Mask or otherwise protect adjoining exposed surfaces from being stained, spotted, or coated with damp-proofing. Prevent damp-proofing materials from entering and clogging weep holes and drains.

B. Clean substrates of projections and substances detrimental to the damp-proofing work; fill voids, seal joints, and remove bond breakers if any, as recommended in writing by prime material manufacturer.

C. Apply patching compound to patch and fill tie holes, honeycombs, reveals, and other imperfections; cover with asphalt-coated glass fabric.

BITUMINOUS DAMPPROOFING 071113 - 4

3.3 APPLICATION, GENERAL

A. Comply with manufacturer's written instructions for damp-proofing application, cure time between coats, and drying time before backfilling unless more stringent requirements are indicated.

1. Apply damp-proofing to provide continuous plane of protection.

2. Apply additional coats if recommended in writing by manufacturer or to achieve a smooth surface and uninterrupted coverage.

B. Where damp-proofing footings and foundation walls, apply from finished-grade line to top of footing; extend over top of footing and down a minimum of 6 inches over outside face of footing.

1. Extend damp-proofing 12 inches onto intersecting walls and footings, but do not extend onto surfaces exposed to view when Project is completed.

2. Install flashings and corner protection stripping at internal and external corners, changes in plane, construction joints, cracks, and where shown as "reinforced," by embedding an 8-inch- wide strip of asphalt-coated glass fabric in a heavy coat of damp-proofing.

Damp-proofing coat for embedding fabric is in addition to other coats required.

C. Where damp-proofing exterior face of inner wythe of exterior masonry cavity walls, lap damp-proofing at least 1/4 inch onto flashing, masonry reinforcement, veneer ties, and other items that penetrate inner wythe.

1. Extend damp-proofing over outer face of structural members and concrete slabs that interrupt inner wythe.

2. Lap damp-proofing at least 1/4 inch onto shelf angles supporting veneer.

D. Where damp-proofing interior face of above-grade, exterior, concrete and masonry or single-wythe masonry walls, continue damp-proofing through intersecting walls by keeping vertical mortar joints at intersection temporarily open or by damp-proofing wall before constructing intersecting walls.

3.4 HOT-APPLIED ASPHALT DAMPPROOFING

A. Do not apply hot asphalt when substrate condition causes foaming.

B. Kettle Temperature: Comply with damp-proofing-material manufacturer's written instructions, and keep at least 25 deg F below the flash point.

C. Prime masonry and other porous substrates.

D. Apply a uniform coat of hot asphalt by mopping or spraying at not less than 20 lb or 2.5 gal./100 sq. ft..

1. Apply a second coat to below-grade foundation walls and where first application has failed to produce a smooth surface and uninterrupted coverage. Apply second coat at the rate specified for first coat.

BITUMINOUS DAMPPROOFING 071113 - 5

3.5 COLD-APPLIED, ASPHALT DAMPPROOFING

A. Concrete Foundations and Parged Masonry Foundation Walls: Apply two brush or spray coats at not less than 1.25 gal./100 sq. ft. for first coat and 1 gal./100 sq. ft. for second coat or one trowel coat at not less than 4 gal./100 sq. ft..

B. Unparged Masonry Foundation Walls: Apply primer and two brush or spray coats at not less than 1.25 gal./100 sq. ft. for first coat and 1 gal./100 sq. ft. for second coat or primer and one trowel coat at not less than 4 gal./100 sq. ft..

C. Unexposed Face of Concrete Retaining Walls: Apply one brush or spray coat at not less than

1.25 gal./100 sq. ft..

D. Unexposed Face of Masonry Retaining Walls: Apply primer and one brush or spray coat at not less than 1.25 gal./100 sq. ft..

E. Concrete Backup for Brick Veneer Assemblies, Stone Veneer Assemblies and Dimension Stone

Cladding: Apply one brush or spray coat at not less than 1 gal./100 sq. ft..

F. Masonry Backup for Brick Veneer Assemblies, Stone Veneer Assemblies and Dimension Stone Cladding: Apply primer and one brush or spray coat at not less than 1 gal./100 sq. ft..

G. Exterior Face of Inner Wythe of Cavity Walls: Apply primer and one brush or spray coat at not less than 1 gal./100 sq. ft..

3.6 INSTALLATION OF PROTECTION COURSE

A. Where indicated, install protection course over completed-and-cured damp-proofing. Comply with damp-proofing-material and protection-course manufacturers' written instructions for attaching protection course.

1. Support protection course over cured coating with spot application of adhesive type recommended in writing by protection-board manufacturer.

2. Install protection course on same day or within 24 hours of installation of damp-proofing

(while coating is tacky) to ensure adhesion.

3.7 CLEANING

A. Clean spillage and soiling from adjacent construction using cleaning agents and procedures recommended in writing by manufacturer of affected construction.

END OF SECTION 071113

ELASTOMERIC SHEET WATERPROOFING 071353 - 1

SECTION 071353 - ELASTOMERIC SHEET WATERPROOFING

1. EPDM rubber sheet waterproofing.

1.3 PREINSTALLATION MEETINGS

A. Pre-installation Conference: Conduct conference at Project site.

1. Review waterproofing requirements including surface preparation, substrate condition and pretreatment, minimum curing period, forecasted weather conditions, special details and sheet flashings, installation procedures, testing and inspection procedures, and protection and repairs.

1.4 ACTION SUBMITTALS

A. Product Data: For each type of product.

1. Include construction details, material descriptions, and tested physical and performance properties of waterproofing.

2. Include manufacturer's written instructions for evaluating, preparing, and treating substrate.

1. Product Certificates for Credit MR 5: For products and materials required to comply with requirements for regional materials, certificates indicating location of material manufacturer and point of extraction, harvest, or recovery for each raw material. Include statement indicating distance to Project, cost for each regional material, and fraction by weight that is considered regional.

ELASTOMERIC SHEET WATERPROOFING 071353 - 2

C. Shop Drawings: Show locations and extent of waterproofing and details of substrate joints and cracks, sheet flashings, penetrations, inside and outside corners, tie-ins with adjoining waterproofing, and other termination conditions.

1. Include setting drawings showing layout, sizes, sections, profiles, and joint details of pedestal-supported concrete pavers.

D. Samples: For each exposed product and for each color and texture specified, including the following products:

1. 8-by-8-inch square of waterproofing and flashing sheet.

1.5 INFORMATIONAL SUBMITTALS

A. Qualification Data: For Installer.

B. Field quality-control reports.

C. Sample Warranties: For special warranties.

1.6 QUALITY ASSURANCE

A. Installer Qualifications: An entity that employs installers and supervisors who are trained and approved by waterproofing manufacturer.

B. Mockups: Build mockups to verify selections made under Sample submittals and to set quality standards for installation.

1. Build for each typical waterproofing installation including accessories to demonstrate surface preparation, crack and joint treatment, corner treatment, and protection.

a. Size: 100 sq. ft. in area or as shown on Drawings.

b. Description: Each type of wall deck and plaza installation.

2. Approval of mockups does not constitute approval of deviations from the Contract

Documents contained in mockups unless Architect specifically approves such deviations in writing.

3. Subject to compliance with requirements, approved mockups may become part of the completed Work if undisturbed at time of Substantial Completion.

1.7 FIELD CONDITIONS

A. Environmental Limitations: Apply waterproofing within the range of ambient and substrate temperatures recommended in writing by waterproofing manufacturer. Do not apply waterproofing to a damp or wet substrate.

1. Do not apply waterproofing in snow, rain, fog, or mist.

ELASTOMERIC SHEET WATERPROOFING 071353 - 3

B. Maintain adequate ventilation during preparation and application of waterproofing materials.

1.8 WARRANTY

A. Manufacturer's Warranty: Manufacturer's standard materials-only warranty in which manufacturer agrees to furnish replacement waterproofing material for waterproofing that does not comply with requirements or that fails to remain watertight within specified warranty period.

1. Warranty Period: 10 or 20 years from date of Substantial Completion.

B. Installer's Special Warranty: Specified form, on warranty form at end of this Section, signed by

Installer, covering Work of this Section, for warranty period of two years.

1. Warranty includes removing and reinstalling protection board, drainage panels, insulation, pedestals, and pavers on plaza decks.

2.1 MATERIALS, GENERAL

A. Source Limitations for Waterproofing System: Obtain waterproofing materials, protection course, from single source from single manufacturer.

2.2 SHEET WATERPROOFING

A. EPDM Rubber Sheet: ASTM D 6134, Type I, 60-mil- thick flexible sheet, unreinforced, formed from EPDM.

1. Products: Subject to compliance with requirements of Owner.

2.3 AUXILIARY MATERIALS

A. General: Furnish auxiliary materials recommended by waterproofing manufacturer for intended use and compatible with sheet waterproofing.

1. Furnish liquid-type auxiliary materials that comply with VOC limits of authorities having jurisdiction.

ELASTOMERIC SHEET WATERPROOFING 071353 - 4

A. Examine substrates, areas, and conditions, with Installer present, for compliance with requirements and other conditions affecting performance of the waterproofing.

1. Verify that concrete has cured and aged for minimum time period recommended in writing by waterproofing manufacturer.

2. Verify that substrate is visibly dry and within the moisture limits recommended in writing by manufacturer. Test for capillary moisture by plastic sheet method according to

ASTM D 4263.

B. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 SURFACE PREPARATION

A. Clean, prepare, and treat substrates according to manufacturer's written instructions. Provide clean, dust-free, and dry substrates for waterproofing application.

B. Mask off adjoining surfaces not receiving waterproofing to prevent spillage and overspray affecting other construction.

C. Remove grease, oil, bitumen, form-release agents, paints, curing compounds, and other penetrating contaminants or film-forming coatings from concrete.

D. Remove fins, ridges, mortar, and other projections and fill honeycomb, aggregate pockets, holes, and other voids.

E. Prepare, fill, prime, and treat joints and cracks in substrates. Remove dust and dirt from joints and cracks according to ASTM D 4258.

F. Prepare, treat, and seal vertical and horizontal surfaces at terminations and penetrations through waterproofing and at drains and protrusions.

3.3 FULLY ADHERED SHEET INSTALLATION

A. Install fully adhered sheets over entire area to receive waterproofing according to manufacturer's written instructions and recommendations in ASTM D 5843.

B. Accurately align sheets and maintain uniform side and end laps of minimum dimensions required. Stagger end laps.

C. Apply bonding adhesive to substrates at required rate and allow it to partially dry.

D. Apply bonding adhesive to sheets and firmly adhere sheets to substrates. Do not apply bonding adhesive to splice area of sheet.

ELASTOMERIC SHEET WATERPROOFING 071353 - 5

E. Install fully adhered sheets and auxiliary materials to tie into existing waterproofing.

F. Repair tears, voids, and lapped seams in waterproofing that do not comply with requirements.

Slit and flatten fish-mouths and blisters. Patch with sheet waterproofing extending beyond repaired areas in all directions.

G. Horizontal Application: Apply sheets with side laps shingled with slope of deck where possible.

1. Spread sealant bed over deck drain flange at deck drains and securely seal sheet waterproofing in place with clamping ring.

3.4 PARTIALLY ADHERED SHEET INSTALLATION

A. Install partially adhered sheets over entire area to receive waterproofing according to manufacturer's written instructions.

C. Apply bonding adhesive to the following areas of substrates and to each sheet at required rate and allow to partially dry:

1. Upper 25 percent of length of each sheet and 18 inches around perimeter of each sheet.

D. Firmly adhere sheets to substrate. Do not apply bonding adhesive to splice area of sheet.

E. Install partially adhered sheets and auxiliary materials to tie into existing waterproofing.

F. Repair tears, voids, and lapped seams in waterproofing that do not comply with requirements.

Slit and flatten fishmouths and blisters. Patch with sheet waterproofing extending beyond

3.5 COMPARTMENTED, LOOSELY LAID SHEET INSTALLATION

A. Install compartmented, loosely laid sheets over entire area to receive waterproofing according to

C. Apply continuous beads of water-cutoff mastic, of size recommended in writing by waterproofing manufacturer, to substrates in a 60-by-60-inch grid pattern before installing sheet.

D. Apply sheets with side laps shingled with slope of deck where possible.\

ELASTOMERIC SHEET WATERPROOFING 071353 - 6

E. Spread sealant bed over deck drain flange at deck drains and securely seal sheet waterproofing in place with clamping ring.

F. Install compartmented, loosely laid sheets and auxiliary materials to tie into existing waterproofing.

G. Repair tears, voids, and lapped seams in waterproofing that do not comply with requirements.

Slit and flatten fish-mouths and blisters. Patch with sheet waterproofing extending beyond

3.6 SEAM INSTALLATION

A. Cement Splice: Clean splice areas, apply splicing cement and in-seam sealant, and firmly roll side and end laps of overlapping sheets according to manufacturer's written instructions to produce a splice not less than 6 inches wide and to ensure a watertight seam installation. Apply lap sealant and seal edges of sheet terminations.

B. Cement and Tape Splice: Clean splice areas, apply splicing cement and butyl gum tape, and firmly roll side and end laps of overlapping sheets according to manufacturer's written instructions to ensure a watertight seam installation. Apply lap sealant and seal edges of sheet terminations.

3.7 SHEET-FLASHING INSTALLATION

A. Install sheet flashings and preformed flashing accessories and adhere to substrates according to waterproofing manufacturer's written instructions.

B. Form wall flashings using exposed sheet flashing.

C. Extend deck sheet waterproofing to form wall flashings.

1. Flash penetrations and field-formed inside and outside corners with uncured sheet flashing.

2. Clean splice areas, apply splicing cement, and firmly roll side and end laps of overlapping sheets to ensure a watertight installation. Apply lap sealant and seal edges of sheet-flashing terminations.

D. Cover expansion joints and discontinuous deck-to-wall or deck-to-deck joints by extending deck sheet waterproofing over joints.

E. Terminate and seal top of sheet flashings with mechanically anchored termination bars.

3.8 FIELD QUALITY CONTROL

A. Engage a site representative qualified by waterproofing membrane manufacturer to inspect substrate conditions, surface preparation; membrane application, flashings, protection, and drainage components, and to furnish daily reports to Architect.

ELASTOMERIC SHEET WATERPROOFING 071353 - 7

B. Flood Testing: Flood test each deck area for leaks, according to recommendations in ASTM D 5957, after completing waterproofing but before overlying construction is placed.

Install temporary containment assemblies, plug or dam drains, and flood with potable water.

1. Flood to an average depth of 2-1/2 inches with a minimum depth of 1 inch and not exceeding a depth of 4 inches. Maintain 2 inches of clearance from top of sheet flashings.

2. Flood each area for 24, 48 or 72 hours.

3. After flood testing, repair leaks, repeat flood tests, and make further repairs until waterproofing installation is watertight.

C. Owner will engage or Engage an independent testing agency to observe flood testing and examine underside of decks and terminations for evidence of leaks during flood testing.

D. Prepare test and inspection reports.

3.9 PROTECTION, REPAIR, AND CLEANING

A. Do not permit foot or vehicular traffic on unprotected membrane.

B. Protect waterproofing from damage and wear during remainder of construction period.

C. Protect installed board insulation and insulation drainage panels from damage due to UV light, harmful weather exposures, physical abuse, and other causes. Provide temporary coverings where insulation is subject to abuse and cannot be concealed and protected by permanent construction immediately after installation.

D. Correct deficiencies in or remove waterproofing that does not comply with requirements; repair substrates, reapply waterproofing, and repair sheet flashings.

E. Clean spillage and soiling from adjacent construction using cleaning agents and procedures recommended by manufacturer of affected construction.

END OF SECTION 071353

HOT FLUID-APPLIED RUBBERIZED ASPHALT WATERPROOFING 071413 - 1

SECTION 071413 - HOT FLUID-APPLIED RUBBERIZED ASPHALT WATERPROOFING

1. Rubberized-asphalt waterproofing membrane unreinforced or reinforced.

A. Product Data: For each type of product indicated. Include manufacturer's written instructions for evaluating, preparing, and treating substrate, technical data, and tested physical and performance properties of waterproofing.

B. Shop Drawings: Show locations and extent of waterproofing. Include details for substrate joints and cracks, sheet flashings, penetrations, inside and outside corners, tie-ins to adjoining waterproofing, and other termination conditions.

1. Include setting drawings showing layout, sizes, sections, profiles, and joint details of pedestal-supported concrete pavers.

C. Samples: For the following products in manufacturer's standard sizes unless otherwise indicated:

1. Flashing sheet.

2. Membrane-reinforcing fabric.

1.4 INFORMATIONAL SUBMITTALS

A. Qualification Data: For qualified Installer or testing agency.

B. Product Test Reports: For waterproofing, based on evaluation of comprehensive tests performed by a qualified testing agency.

C. Field quality-control reports.

D. Warranties: Sample of special warranties.

HOT FLUID-APPLIED RUBBERIZED ASPHALT WATERPROOFING 071413 - 2

1.5 QUALITY ASSURANCE

A. Installer Qualifications: A firm that is approved or licensed by or acceptable to manufacturer for installation of waterproofing required for this Project and is eligible to receive special warranties specified.

B. Source Limitations: Obtain waterproofing materials sheet flashings from single source from single manufacturer.

C. Mockups: Install waterproofing to 100 sq. ft. of deck or wall to demonstrate surface preparation, crack and joint treatment, corner treatment, thickness, texture, and execution quality.

1. If Architect determines mockups do not comply with requirements, reapply waterproofing until mockups are approved.

2. Approval of mockups does not constitute approval of deviations from the Contract

Documents contained in mockups unless Architect specifically approves such deviations in writing.

3. Approved mockups may become part of the completed Work if undisturbed at time of Substantial Completion.

D. Pre-installation Conference: Conduct conference at Project site.

1. Review waterproofing requirements including surface preparation, substrate condition and pretreatment, minimum curing period, forecasted weather conditions, special details and sheet flashings, installation procedures, testing and inspection procedures, and protection and repairs.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Store liquid materials in their original undamaged containers in a clean, dry, protected location and within the temperature range required by waterproofing manufacturer.

B. Remove and replace liquid materials that cannot be applied within their stated shelf life.

C. Protect stored materials from direct sunlight.

1.7 PROJECT CONDITIONS

A. Environmental Limitations: Apply waterproofing within the range of ambient and substrate temperatures recommended by waterproofing manufacturer. Do not apply waterproofing to a damp or wet substrate, or when temperature is below 0 deg F.

1. Do not apply waterproofing in snow, rain, fog, or mist.

B. Maintain adequate ventilation during application and curing of waterproofing materials.

HOT FLUID-APPLIED RUBBERIZED ASPHALT WATERPROOFING 071413 - 3

1.8 WARRANTY

A. Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace waterproofing and sheet flashings that do not comply with requirements or that fail to remain watertight within specified warranty period.

B. Special Installer's Warranty: Specified form, on warranty form at end of this Section, signed by

Installer, covering Work of this Section, for warranty period of two years.

2.1 WATERPROOFING MEMBRANE

A. Hot Fluid-Applied, Rubberized-Asphalt Waterproofing Membrane: Single component; 100 percent solids; hot fluid-applied, rubberized asphalt.

2.2 FLASHING SHEET MATERIALS

A. Elastomeric Flashing Sheet: 50-mil- minimum, uncured sheet neoprene as follows:

1. Tensile Strength: 1400 psi minimum; ASTM D 412, Die C.

2. Elongation: 300 percent minimum; ASTM D 412.

3. Tear Resistance: 125 psi minimum; ASTM D 624, Die C.

4. Brittleness: Does not break at minus 30 deg F; ASTM D 2137.

2.3 AUXILIARY MATERIALS

A. Primer: ASTM D 41, asphaltic primer.

B. Elastomeric Sheet: 50-mil- minimum, uncured sheet neoprene as follows:

1. Tensile Strength: 1400 psi minimum; ASTM D 412, Die C.

2. Elongation: 300 percent minimum; ASTM D 412.

3. Tear Resistance: 125 psi minimum; ASTM D 624, Die C.

4. Brittleness: Does not break at minus 30 deg F; ASTM D 2137.

C. Sealants and Accessories: Manufacturer's recommended sealants and accessories.

HOT FLUID-APPLIED RUBBERIZED ASPHALT WATERPROOFING 071413 - 4

requirements for installation tolerances and other conditions affecting performance of the Work.

1. Verify that concrete has cured and aged for minimum time period recommended by waterproofing manufacturer.

2. Verify that substrate is visibly dry and free of moisture. Test for capillary moisture by plastic sheet method according to ASTM D 4263.

B. Proceed with installation only after unsatisfactory conditions have been corrected.

A. Clean and prepare substrates according to manufacturer's written instructions. Provide clean, dust-free, and dry substrate for waterproofing application.

B. Mask off adjoining surfaces not receiving waterproofing to prevent spillage and overspray affecting other construction.

C. Close off deck drains and other deck penetrations to prevent spillage and migration of waterproofing fluids.

D. Remove grease, oil, form-release agents, paints, curing compounds, and other penetrating contaminants or film-forming coatings from concrete.

E. Remove fins, ridges, and other projections and fill honeycomb, aggregate pockets, and other voids.

3.3 JOINTS, CRACKS, AND TERMINATIONS

A. Prepare and treat substrates to receive waterproofing membrane, including joints and cracks, deck drains, corners, and penetrations according to manufacturer's written instructions.

B. At expansion joints and discontinuous deck-to-wall or deck-to-deck joints, bridge joints with elastomeric sheet extended a minimum of 6 inches on each side of joints and adhere to substrates in a layer of hot rubberized asphalt. Apply second layer of hot fluid-applied, rubberized asphalt over elastomeric sheet.

3.4 FLASHING INSTALLATION

A. Install elastomeric flashing sheets at terminations of waterproofing membrane according to

HOT FLUID-APPLIED RUBBERIZED ASPHALT WATERPROOFING 071413 - 5

B. Prime substrate with asphalt primer.

C. Install elastomeric flashing sheet and adhere to deck and wall substrates in a layer of hot rubberized asphalt.

D. Extend elastomeric flashing sheet up walls or parapets a minimum of 8 inches above plaza deck pavers and 6 inches onto deck to be waterproofed.

3.5 MEMBRANE APPLICATION

A. Apply primer, at manufacturer's recommended rate, over prepared substrate and allow to dry.

B. Heat and apply rubberized asphalt according to manufacturer's written instructions.

C. Start application with manufacturer's authorized representative present.

D. Unreinforced Membrane: Apply hot rubberized asphalt to substrates and adjoining surfaces indicated. Spread to form a uniform, unreinforced, seamless membrane, 180-mil minimum thickness or 180-mil average thickness, but not less than 125 mil thick.

E. Reinforced Membrane: Apply hot rubberized asphalt to substrates and adjoining surfaces indicated. Spread to a thickness of 90 mils; embed reinforcing fabric, overlapping sheets 2 inches; spread another 125-mil- thick layer to provide a uniform, reinforced, seamless membrane 215 mils thick.

F. Apply waterproofing over prepared joints and up wall terminations and vertical surfaces to heights indicated or required by manufacturer.

G. Cover waterproofing with protection course with overlapped joints before membrane is subject to backfilling or construction or vehicular traffic.

3.6 FIELD QUALITY CONTROL

A. Engage a full-time site representative qualified by waterproofing membrane manufacturer to inspect substrate conditions; surface preparation; and application of the membrane, flashings, protection, and drainage components; furnish daily reports to Architect.

B. Flood Testing: Flood test each deck area for leaks, according to recommendations in

ASTM D 5957, after completing and protecting waterproofing but before overlaying construction is placed. Install temporary containment assemblies, plug or dam drains, and flood with potable water.

1. Flood to an average depth of 2-1/2 inches with a minimum depth of 1 inch and not exceeding a depth of 4 inches. Maintain 2 inches of clearance from top of sheet flashings.

2. Flood each area for 24, 48 or 72 hours.

3. After flood testing, repair leaks, repeat flood tests, and make further repairs until waterproofing installation is watertight.

HOT FLUID-APPLIED RUBBERIZED ASPHALT WATERPROOFING 071413 - 6

C. Owner will engage or engage an independent testing agency to observe flood testing and examine underside of decks and terminations for evidence of leaks during flood testing.

3.7 CLEANING AND PROTECTION

A. Protect waterproofing from damage and wear during remainder of construction period.

B. Protect installed waterproofing from damage due to UV light, harmful weather exposures, physical abuse, and other causes. Provide temporary coverings.

C. Clean spillage and soiling from adjacent construction using cleaning agents and procedures recommended by manufacturer of affected construction.

END OF SECTION 071413

CEMENTITIOUS WATERPROOFING 071453 - 1

SECTION 071453 – CEMENTITIOUS WATERPROOFING

Conditions and other Division 01 Specification Sections, apply to this Section.

1.2 DESCRIPTION OF WORK

A. The extent of cementitious waterproofing work is shown on the Drawings and is hereby defined to include cement with additives applied to interior surfaces of elevator pits.

1.3 SUBMITTALS

A. The Contractor shall submit manufacturer’s data, catalog cuts, test reports and all other information as necessary to prove compliance to the specified requirements.

1.4 DELIVERY AND STORAGE

A. Deliver waterproofing materials to the project site in original sealed containers with manufacturer’s name and brand clearly identified; store in dry locations with adequate ventilation, and handle in a manner to prevent damage or contamination of any sort.

1.5 ENVIRONMENTAL CONDITIONS

A. Enclose or protect surfaces to be treated from excessive temperature changes. Ambient temperature shall be above 50 degrees F during application and for the duration of the curing period. Keep the water level below location of surfaces being treated until completion of the treatment and curing period.

2.1 WATERPROOFING MATERIAL

A. Provide Five Star Waterproofing as manufactured by Five Star Waterproofing Products, Inc., Fairfield, CT.

CEMENTITIOUS WATERPROOFING 071453 - 2

3.1 RELIEVING HYDROSTATIC PRESSURE

A. Prior to treating walls, hydrostatic water pressure shall be relieved by the use of bleeder pipes through the walls or another approved method. After waterproofing has been completed, weep holes shall be filled with waterproof grout and sealed with waterproofing material.

B. Apply caulking around all drains, pipes, and other items which penetrate the surfaces to be waterproofed.

3.2 APPLICATION

A. Trowel apply 1/8” thick coating of cementitious waterproofing to inside surfaces of elevator pit in accordance with manufacturer’s recommendations.

END OF SECTION 071453

BENTONITE WATERPROOFING 071700 - 1

SECTION 071700 – BENTONITE WATERPROOFING

A. The extent of Bentonite Clay waterproofing membrane is shown on the Contract Drawings and/or as specified herein.

1.3 QUALITY ASSURANCE

A. Manufacturer: Provide Bentonite Clay waterproofing membrane produced by a manufacturer with a minimum of 5 years experience in the waterproofing industry.

B. Installer: A firm with a minimum of 2 years experience in installing bentonite clay or other related waterproofing products.

1.4 SUBMITTALS

A. Manufacturer: Submit six copies of product data sheets, specifications, installation instructions and general recommendations for each type of product specified.

B. Installer: Submit detail drawings for installation of product specified.

C. Warranty: Submit specimen of manufacturers' standard warranty.

1.5 WARRANTY

A. Upon completion and acceptance of the work required by this section, the manufacturer will issue a warranty agreeing to promptly replace defective materials for a period of 5 years.

1.6 PRODUCT DELIVERY, STORAGE AND HANDLING

A. Deliver materials in original manufacturer's packaging and store materials in strict accordance with manufacturer's instructions.

B. Remove and replace products that have been prematurely exposed to moisture.

BENTONITE WATERPROOFING 071700 - 2

1.7 PROJECT CONDITIONS

A. Install materials in accordance with all safety and weather conditions required by the manufacturer.

B. Install materials only after work on the applicable substrate is complete.

C. Complete cast-in-place reinforced columns prior to membrane installation.

2.1 WATERPROOFING SYSTEM

A. The Bentonite clay waterproofing membrane shall be as required by Owner.

3.1 INSPECTION

A. Examine substrate and condition under which waterproofing will be installed. Do not proceed with the work until unsatisfactory conditions have been corrected.

3.2 SURFACE PREPERATION

A. Lagging, Concrete Cassions, Shotcrete or Gunite Applications:

1. Fill all spaces that are over 1" in width with grout or concrete to a smooth and uniform surface.

2. Remove projections from the wall surface in excess of 3/4".

B. Grade Substrates: Shall be level and uniform that is compacted to a minimum of 85% modified proctor.

C. Concrete Application:

1. Remove projections from the wall surface in excess of 3/4".

D. Honeycombing, voids and aggregate pockets exceeding 1 inch in diameter of have a depth greater than 3/4 inch should be filled with a non-shrink cementitious grout.

3.3 INSTALLATION

A. Prevent bentonite clay waterproofing membrane from hydrating before being covered with overburden. When threat of rain is imminent or backfill is not immediate, bentonite clay waterproofing membrane should be covered with polyethylene sheeting.

BENTONITE WATERPROOFING 071700 - 3

B. Install according to manufacturer's recommendations.

3.4 SHOTCRETE PLACEMENT

A. Apply shotcrete in strict accordance with ACI 506.2-95 Specification for Shotcrete.

1. Moisten the non-woven surface to improve adhesion.

2. Commence spraying from the bottom to the top at a pressure not to vibrate or move the product.

3. Install to the designed thickness in lifts not to exceed 4 feet.

4. Protect adjacent product from overspray and remove rebound and sand pockets.

3.5 PROTECTION AND DRAINAGE

A. Protect the bentonite clay waterproofing membrane.

B. Install Protection Board according to the detailed drawings for the specific installation requirements of the Owner.

3.6 BACKFILL

A. Backfill with smooth and uniform material with no sharp projections or stones larger than 3/4 inch. Compact backfill to an 85% Modified Proctor. Insure backfill material is not contaminated with salt or other materials that could prevent the Bentonite from hydrating.

END OF SECTION 071700

WATER REPELLENTS 071900 - 1

SECTION 071900 - WATER REPELLENTS

A. Section includes penetrating water-repellent treatments for the following vertical and horizontal surfaces:

1. Cast-in-place concrete.

2. Precast concrete.

3. Cast stone.

4. Concrete unit masonry.

5. Clay brick masonry.

6. Natural stone.

7. Portland cement plaster (stucco).

1.3 PERFORMANCE REQUIREMENTS

A. General Performance: Water repellents shall meet performance requirements indicated without failure due to defective manufacture, fabrication, or installation.

1. Water Repellents: Comply with performance requirements specified, as determined by preconstruction testing on manufacturer's standard substrate assemblies representing those indicated for this Project.

1.4 PRECONSTRUCTION TESTING

A. Preconstruction Testing: Installed water repellents shall comply with performance requirements indicated, as evidenced by reports of tests performed on manufacturer's standard substrate assemblies by a qualified testing agency.

1. Select sizes and configurations of assemblies to adequately demonstrate capability of water repellents to comply with performance requirements.

2. In addition to verifying performance requirements, use test applications to verify manufacturer's written instructions for application procedure and optimum rates of product application to substrate assemblies.

3. Notify Architect seven days in advance of the dates and times when assemblies will be tested.

WATER REPELLENTS 071900 - 2

1.5 ACTION SUBMITTALS

A. Product Data: For each type of product indicated.

1. Include manufacturer's printed statement of VOC content.

2. Include manufacturer's standard colors.

3. Include manufacturer's recommended number of coats for each type of substrate and spreading rate for each separate coat.

B. Samples: For each type and color of water repellent and substrate indicated, 12 by 12 inches in size, with specified water-repellent treatment applied to half of each Sample.

1.6 INFORMATIONAL SUBMITTALS

A. Qualification Data: For qualified Applicator or testing agency.

B. Product Certificates: For each type of water repellent, from manufacturer.

C. Preconstruction Testing Reports: For water-repellent-treated substrates.

D. Field quality-control reports.

E. Warranty: Special warranty specified in this Section.

1.7 QUALITY ASSURANCE

A. Applicator Qualifications: An employer of workers trained and approved by manufacturer.

B. Mockups: Apply water repellent to each type of substrate required.

1. Locate each test application as shown on Drawings or directed by Architect.

2. Size: 10 sq. ft. or 25 sq. ft.

3. Final approval by Architect of color and water-repellent application will be from test applications.

C. Preinstallation Conference: Conduct conference at Project site.

1.8 PROJECT CONDITIONS

A. Limitations: Proceed with application only when the following existing and forecasted weather and substrate conditions permit water repellents to be applied according to manufacturers' written instructions and warranty requirements:

WATER REPELLENTS 071900 - 3

1.9 WARRANTY

A. Special Warranty: Manufacturer's standard form in which manufacturer and Applicator agree(s) to repair or replace materials that fail to maintain water repellency specified in "Performance Requirements" Article within specified warranty period.

1. Warranty Period: Two or Five years from date of Substantial Completion.

2.1 PENETRATING WATER REPELLENTS

A. Silane, Penetrating Water Repellent: Clear, containing 20 percent or more solids of alkyltrialkoxysilanes; with alcohol, mineral spirits, water, or other proprietary solvent carrier;

and with 400 g/L or less of VOCs.

A. Examine substrates, areas, and conditions, with Applicator present, for compliance with requirements and conditions affecting performance of the Work.

1. Verify that surfaces are clean and dry according to water-repellent manufacturer's requirements. Check moisture content in three representative locations by method recommended by manufacturer.

2. Inspect for previously applied treatments that may inhibit penetration or performance of water repellents.

3. Verify that there is no efflorescence or other removable residues that would be trapped beneath the application of water repellent.

4. Verify that required repairs are complete, cured, and dry before applying water repellent.

B. Test pH level according to water-repellent manufacturer's written instructions to ensure chemical bond to silica-containing or siliceous minerals.

C. Proceed with installation only after unsatisfactory conditions have been corrected.

A. Cleaning: Before application of water repellent, clean substrate of substances that could impair penetration or performance of product according to water-repellent manufacturer's written instructions and as follows:

1. As per instructed on documents.

WATER REPELLENTS 071900 - 4

B. Protect adjoining work, including mortar and sealant bond surfaces, from spillage or blow-over of water repellent. Cover adjoining and nearby surfaces of aluminum and glass if there is the possibility of water repellent being deposited on surfaces. Cover live vegetation.

C. Coordination with Mortar Joints: Do not apply water repellent until pointing mortar for joints adjacent to surfaces receiving water-repellent treatment has been installed and cured.

D. Coordination with Sealant Joints: Do not apply water repellent until sealants for joints adjacent to surfaces receiving water-repellent treatment have been installed and cured.

1. Water-repellent work may precede sealant application only if sealant adhesion and compatibility have been tested and verified using substrate, water repellent, and sealant materials identical to those required.

3.3 APPLICATION

A. Manufacturer's Field Service: Engage a factory-authorized service representative to inspect the substrate before application of water repellent and to instruct Applicator on the product and application method to be used.

B. Apply a heavy-saturation coating of water repellent, on surfaces indicated for treatment, using

15 psi- pressure spray with a fan-type spray nozzle roller or brush to the point of saturation.

Apply coating in dual passes of uniform, overlapping strokes. Remove excess material; do not allow material to puddle beyond saturation. Comply with manufacturer's written instructions for application procedure unless otherwise indicated.

C. Apply a second saturation coating, repeating first application. Comply with manufacturer's written instructions for limitations on drying time between coats and after rainstorm wetting of surfaces between coats. Consult manufacturer's technical representative if written instructions are not applicable to Project conditions.

3.4 FIELD QUALITY CONTROL

A. Testing of Water-Repellent Material: Owner reserves the right to invoke the following procedure at any time and as often as Owner deems necessary during the period when water repellent is being applied:

1. Owner will engage the services of a qualified testing agency to sample water-repellent material being used. Samples of material delivered to Project site will be taken, identified, sealed, and certified in presence of Contractor.

2. Testing agency will perform tests for compliance of water-repellent material with product requirements.

3. Owner may direct Contractor to stop applying water repellents if test results show material being used does not comply with product requirements. Contractor shall remove non-complying material from Project site, pay for testing, and correct deficiency of surfaces treated with rejected materials, as approved by Architect.

WATER REPELLENTS 071900 - 5

B. Coverage Test: In the presence of Architect, hose down a dry, repellent-treated surface to verify complete and uniform product application. A change in surface color will indicate incomplete application.

1. Notify Architect seven days in advance of the dates and times when surfaces will be tested.

2. Reapply water repellent until coverage test indicates complete coverage.

3.5 CLEANING

A. Immediately clean water repellent from adjoining surfaces and surfaces soiled or damaged by water-repellent application as work progresses. Correct damage to work of other trades caused by water-repellent application, as approved by Architect.

B. Comply with manufacturer's written cleaning instructions.

END OF SECTION 071900

THERMAL INSULATION 072100 - 1

SECTION 072100 - THERMAL INSULATION

1. Foam-plastic board insulation.

2. Cellular-glass insulation.

3. Glass-fiber board insulation.

4. Mineral-wool board insulation.

5. Glass-fiber blanket insulation.

6. Mineral-wool blanket insulation.

7. Loose-fill insulation.

8. Spray-applied cellulosic insulation.

9. Spray polyurethane foam insulation.

10. Radiant barriers.

11. Vapor retarders.

A. Product Data: For each type of product indicated.

1. Product Data for Credit MR 4: For products having recycled content, documentation indicating percentages by weight of postconsumer and preconsumer recycled content.

Include statement indicating cost for each product having recycled content.

1.4 INFORMATIONAL SUBMITTALS

A. Product Test Reports: Based on evaluation of comprehensive tests performed by a qualified testing agency, for each product.

THERMAL INSULATION 072100 - 2

1.5 QUALITY ASSURANCE

A. Surface-Burning Characteristics: As determined by testing identical products according to ASTM E 84 by a qualified testing agency. Identify products with appropriate markings of applicable testing agency.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Protect insulation materials from physical damage and from deterioration due to moisture, soiling, and other sources. Store inside and in a dry location. Comply with manufacturer's written instructions for handling, storing, and protecting during installation.

2.1 FOAM-PLASTIC BOARD INSULATION

A. Extruded-Polystyrene Board Insulation: ASTM C 578, of type and minimum compressive strength indicated below, with maximum flame-spread and smoke-developed indexes of 75 and 450, respectively, per ASTM E 84.

1. Manufacturers: Subject to compliance with requirements of Owner.

B. Molded-Polystyrene Board Insulation: ASTM C 578, of type and minimum compressive strength indicated below, with maximum flame-spread and smoke-developed indexes of 75 and 450, respectively, per ASTM E 84.

C. Foil-Faced, Polyisocyanurate Board Insulation: ASTM C 1289, Type I, Class 1 or Class 2, with maximum flame-spread and smoke-developed indexes of 75 and 450, respectively, per

ASTM E 84.

2.2 GLASS-FIBER BOARD INSULATION

B. Unfaced, Flexible Glass-Fiber Board Insulation: ASTM C 612, Type IA; ASTM C 553, Types I, II, and III; or ASTM C 665, Type I; with maximum flame-spread and smoke-developed indexes of 25 and 50, respectively, per ASTM E 84, passing ASTM E 136 for combustion characteristics.

1. Nominal density of 1.0 lb/cu. ft., thermal resistivity of 3.7 deg F x h x sq. ft./Btu x in. at

75 deg F.

2. Nominal density of not less than 1.5 lb/cu. ft. or more than 1.7 lb/cu. ft., thermal resistivity of 4 deg F x h x sq. ft./Btu x in. at 75 deg F.

THERMAL INSULATION 072100 - 3

C. Foil-Faced, Flexible Glass-Fiber Board Insulation: ASTM C 612, Type IA or ASTM C 553, Types I, II, and III; faced on one side with foil-scrim-kraft vapor retarder; with maximum flame-spread and smoke-developed indexes of 25 and 50, respectively, per ASTM E 84.

1. Nominal density of 1.0 lb/cu. ft., thermal resistivity of 3.7 deg F x h x sq. ft./Btu x in. at

2. Nominal density of not less than 1.5 lb/cu. ft. or more than 1.7 lb/cu. ft., thermal resistivity of 4 deg F x h x sq. ft./Btu x in. at 75 deg F.

D. Unfaced, Glass-Fiber Board Insulation: ASTM C 612, Type IA; with maximum flame-spread and smoke-developed indexes of 25 and 50, respectively, per ASTM E 84, passing ASTM E 136 for combustion characteristics.

1. Nominal density of 2.25 lb/cu. ft., thermal resistivity of 4.3 deg F x h x sq. ft./Btu x in. at

2. Nominal density of 3 lb/cu. ft., thermal resistivity of 4.3 deg F x h x sq. ft./Btu x in. at 75 deg F.

3. Nominal density of 4.25 lb/cu. ft., thermal resistivity of 4.3 deg F x h x sq. ft./Btu x in. at

75 deg F.

4. Nominal density of 6 lb/cu. ft., thermal resistivity of 4.4 deg F x h x sq. ft./Btu x in. at 75 deg F.

E. Foil-Faced, Glass-Fiber Board Insulation: ASTM C 612, Type IA; faced on one side with foil-scrim-kraft or foil-scrim-polyethylene vapor retarder, with maximum flame-spread and smoke-developed indexes of 25 and 50, respectively, per ASTM E 84.

1. Nominal density of 2.25 lb/cu. ft., thermal resistivity of 4.3 deg F x h x sq. ft./Btu x in. at

2. Nominal density of 3 lb/cu. ft., thermal resistivity of 4.3 deg F x h x sq. ft./Btu x in. at 75 deg F.

3. Nominal density of 4.25 lb/cu. ft., thermal resistivity of 4.3 deg F x h x sq. ft./Btu x in. at

75 deg F.

4. Nominal density of 6 lb/cu. ft., thermal resistivity of not less than 4.34 deg F x h x sq.

ft./Btu x in. at 75 deg F.

F. Dark-Surfaced, Glass-Fiber Board Insulation: ASTM C 612, Type IA; faced on one side with black glass-fiber mat or black polymer finish; maximum flame-spread and smoke-developed indexes of 25 and 50, respectively, per ASTM E 84.

1. Nominal density of 1.5 lb/cu. ft., thermal resistivity of 4.2 deg F x h x sq. ft./Btu x in. at

2. Nominal density of 2.25 lb/cu. ft., thermal resistivity of 4.3 deg F x h x sq. ft./Btu x in. at

75 deg F.

3. Nominal density of 3 lb/cu. ft., thermal resistivity of 4.3 deg F x h x sq. ft./Btu x in. at 75 deg F.

4. Nominal density of 6 lb/cu. ft., thermal resistivity of 4.5 deg F x h x sq. ft./Btu x in. at 75 deg F.

THERMAL INSULATION 072100 - 4

G. Sustainability Requirements: Provide glass-fiber board insulation as follows:

1. Free of Formaldehyde: Insulation manufactured with 100 percent acrylic binders and no formaldehyde.

2. Low Emitting:…