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07900-1

SECTION 07900

JOINT SEALERS

PART 1 - GENERAL

1.1

1.2

1.3

1.4

1.5

1.6

1.7

SECTION INCLUDES
A. Preparing sealant substrate surfaces.
B. Sealant and backing.

RELATED SECTIONS

A. Section 01340 - Submittals

B. Section 01710 - Project Cleaning
C. Section 04200 - Unit Masonry
D. Section 07270 - Fire Stopping

REFERENCES

A. ASTM C920 - Specification for Elastomeric Joint Sealant

B. FS-TT-S-227 - Sealing Compound: Elastomeric Type, Multi-Component

C. FS-TT-S-230 - Sealing Compound: Elastomeric Type, Single Component

D. Sealing and Waterproofers Institute - Sealant and Caulking Guide Specification

SUBMITTALS

A. Submit product data under provisions of Section 01340.

B. Submit color charts or samples.

C. Submit manufacturer's installation instructions.

D. Submit schedule of all items to be installed. Indicate intended use of each product.
QUALITY ASSURANCE

A. Manufacturer: Company specializing in manufacturing the products specified in

this Section with minimum ten years’ experience.
B. Applicator Qualifications: Company specializing in applying the work of this
Section with minimum five years’ experience.

C. Compatibility: Verify sealants used are compatible with joint substrates.
D. Joint Tolerance: Compliance with the manufacturer's limitation is required.
E. Conform to Sealant and Waterproofers Institute requirements for installation.

ENVIRONMENTAL REQUIREMENTS

A. Maintain temperature and humidity recommended by the sealant manufacturer
during and after installation.

B. VOC Standards - All sealants shall be in accordance with all applicable State and
Federal VOC standards.

SEQUENCING AND SCHEDULING
A. Coordinate work in this Section with related sections.

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07900-2
JOINT SEALERS

1.8 WARRANTY

A.

Installer to provide five-year warranty to include coverage of installed sealants,
caulking and accessories which fail to achieve air tight and watertight seal, exhibit
loss of adhesion or cohesion, or do not cure.

PART 2 - PRODUCTS

2.1 MATERIALS

A.

D.

S-1, Epoxidized Polyurethane Sealant: Multi-component, chemical curing, non-
staining, non-bleeding, non-sagging type; color as selected by Engineer; Dymeric
240 FC, as manufactured by Tremco, Sika Corporation or equal.

1. Durability (Bond and Cohesion) - 25 percent + 40 percent
2. Shore "A" Hardness Range 25

S-2, Polyurethane Sealant: Multi-component, chemical curing, non-staining, non-
bleeding, non-sagging type; color as selected by Engineer; Sikaflex 2C as
manufactured by Sika Corporation, Tremco or equal.

l. Durability (Bond and Cohesion) +/- 50 percent
2. Service Temperature Range - 40 to 170 degrees F
3. Shore "A" Hardness Range 25 (40 for self-leveling)

S-6, Polyurethane Sealant: One component, moisture curing, non-staining, non-
bleeding, non-sagging type; color as selected by Engineer; Sika-flex 1A as
manufactured by Sika Corporation, Tremco or equal.

l. Durability (Bond and Cohesion) + 25 percent
2. Service Temperature - 40 to 170 degrees F
3. Shore A Hardness 40

S-8, Sealants for fire rated assemblies shall be coordinated with Section 07270 -
Fire Stopping.

2.2 ACCESSORIES

A.
B.

C.

Primer: Non-staining type, recommended by sealant manufacturer.

Joint Cleaner: Non-corrosive and non-staining type, recommended by sealant
manufacturer; compatible with joint forming materials.

Joint Backing: ASTM D1056; round, closed cell polyethylene foam rod;
oversized 30 to 50 percent larger than joint width; as recommended by sealant
manufacturer.

Bond Breaker: Pressure sensitive tape recommended by sealant manufacturer to
suit application.

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07900-3

JOINT SEALERS
PART 3 - EXECUTION
3.1 EXAMINATION
A. Verify that surfaces and joint openings are ready to receive work and field
measurements are as shown on Drawings and recommended by the manufacturer.
B. Beginning of installation means installer accepts existing conditions.
3.2 PREPARATION
A. Clean and prime joints in accordance with manufacturer's instructions.
B. Remove loose materials and foreign matter which might impair adhesion of
sealant.
C. Verify that joint backing and release tapes are compatible with sealant.
D. Perform preparation in accordance ASTM C790 for latex base sealants.
E Protect elements surrounding the work of this Section from damage or
disfiguration.
3.3 INSTALLATION
A. Install sealant in strict accordance with manufacturer's instructions.
B. Measure joint dimensions and size materials to achieve required width/depth
ratios.
C. Install joint backing to achieve a neck dimension no greater than 1/3 the joint
width.
D. Install bond breaker where joint backing is not used.
E Apply sealant within recommended application temperature ranges. Consult
manufacturer when sealant cannot apply within these temperature ranges.
F. Install sealant free of air pockets, foreign embedded matter, ridges, and sags.
G. Tool joints concave.
3.4 CLEANING AND REPAIRING
A. Clean work under provisions of Section 01710.
B. Clean adjacent soiled surfaces.
C. Repair or replace defaced or disfigured finishes caused by work of this Section.
3.5 PROTECTION OF FINISHED WORK

A. Protect sealants until cured.

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07900-4

JOINT SEALERS
3.6 SCHEDULE
Sealant Type Location
S-1, S-2 or S-6 All joints and the perimeter of penetrations, except fire rated assemblies
8-2 Joints Between Exterior Concrete Pavement or Concrete Pads Around the
Building.
8-8 At Joints in Fire Rated Assemblies

END OF SECTION

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09510-1

SECTION 09510

ACOUSTICAL CEILINGS

PART 1 - GENERAL

1.1

1.2

1.3

1.4

1.5

1.6

1.7

SECTION INCLUDES

A. Suspension System.

B. Acoustical Ceiling Panels - 24 inch x 24 inch.
C. Retention Clips.

RELATED SECTIONS

A. Section 01340 - Submittals

B. Section 04200 - Unit Masonry

C. Section 06100 - Rough Carpentry

D. Division 15 - Mechanical

E. Division 16 - Electrical

REFERENCES

A. Federal Specification SS-S118

B. ASTM C423 - Sound Absorption Coefficients by the Reveration Method.

C. AMA 1-11 - Ceiling Sound Transmission by Two-Room Method.

D. ASTM C635 - Recommended Practice for Installation of Metal Ceiling Suspension
Systems for Acoustical Tile and Lay-in Panels.

SUBMITTALS

A. Submit product data under provision of Section 01340.
B. Include certified Underwriters’ Laboratories tests for the ceiling system applicable to
the various structural conditions.

QUALITY ASSURANCE
A. Perform work in accordance with ASTM C635.

DELIVERY, STORAGE AND HANDLING

A. Deliver materials in manufacturer's unopened packages with labels legible and
intact.

B. Store and handle to prevent damage of any nature.

C. Package showing damage that may effect the condition of the contents shall not be

accepted.

D. Remove all damaged materials from the site and replace at no additional cost to the
Owner.

EXTRA MATERIALS

A. One (1) full unopened carton or package of each size and type acoustical panel.

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09510- 2
ACOUSTICAL CEILINGS

PART 2 - PRODUCTS

2.1 MANUFACTURERS
A. Armstrong World Industries, Inc.
B. CertainTeed.
C. Or Equal.

2.2 ACOUSTICAL PANELS
A. Acoustical Ceiling Panels:

1. Product: Armstrong Fine Fissured, CertainTeed Fine Fissured, Or equal.
Edge: Square Lay-In 15/16 inch.

Color: White.

NRC: 0.55

CAC: 33

Light Reflectance: 0.85

Fire Resistance: Class A (UL)

Anti-Microbial: BioBlock+, BioSheild or Equal.

Size: 24 inches x 24 inches x 5/8 inches.

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2.3 MATERIALS
A. Components: All main beams and cross tees shall be commercial quality galvanized

steel. Main beams and cross tees are double-web steel construction with type

exposed flange design. Exposed surfaces chemically cleansed, capping pre-finished

galvanized steel in baked polyester paint. Main beams and cross tees shall have

rotary stitching.

1. Structural Classification: ASTM C 635 Heavy Duty.

2. Color: White.

3. Acceptable Product: Prelude ML 15/16" Exposed Tee as manufactured by
Armstrong World Industries, Inc.

2.4 ACCESSORIES
A. Attachment Devices: Size for five times design load indicated in ASTM C 635,

B.

Table 1, Direct Hung unless otherwise indicated.

Wire for Hangers and Ties: ASTM A 641, Class 1 zinc coating, soft temper, pre-
stretched, with a yield stress load of at least time three design load, but not less than
12 gauge.

Edge Moldings and Trim: Metal of types and profiles indicated or, if not indicated,
manufacturer's standard moldings for edges and penetrations, including light fixtures,
that fit type of edge detail and suspension system indicated. Provide moldings with
exposed flange of the same width as exposed runner.

D. Retention Clips: Corrosion resistant concealed and exposed type hold down clips.

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09510- 3
ACOUSTICAL CEILINGS

PART 3 - EXECUTION

3.1

3.2

INSTALLATION

A. Install in types, sizes, and layouts as shown on the Drawings.

B. Install in strict accordance with ASTM C635.

C. Install suspension systems in strict accordance with the instructions of the
manufacturer, with hangers spaced not more than 48 inches on centers in any
direction, and as otherwise required to ensure deflection not exceeding 1/360 of the
span of the members.

D. Install a hanger at each corer of all light fixtures.

E. Install edge moldings at walls and ceiling penetrations.

F. Install panels from the center of each area, or as indicated on the drawings, and work

toward the perimeters. Edge panels shall not be less than six (6) inches wide with
the retention clips exposed to view. Ceiling plane shall be absolutely level.

INTERFACE WITH OTHER PRODUCTS

A.

Coordinate with other trades in installing other elements such as lights, detectors,
ducts, fume hood, and grilles in the acoustical ceiling.

END OF SECTION

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15050-1

SECTION 15050

PIPE & PIPE FITTINGS — GENERAL

PART 1 - GENERAL

1.1

1.2

1.3

1.4

1.5

DESCRIPTION

A. Work Included: Furnish, install, support, and test pipe and pipe fittings of the type(s)
and size(s) and in the location(s) shown on the Drawings and as specified herein.

B. Related Work Specified Elsewhere (When Applicable):
1. Valves, gates, pipe hangers, pipe supports, pipe and equipment insulation,

heating, and plumbing are specified in the appropriate Sections in Division 15.

2. Pipe materials are specified in the appropriate sections of Division 15.

C. Other Trades: Cooperate with all other trades whose work is to be coordinated with
piping work.

REFERENCES
A. American National Standards Institute (ANSI)
1. ANSI B31.5 — Refrigeration Piping
2. ANSI B31.9 — Building Services Piping
3. |ANSIB31.8 — Gas Transmission and Distribution Piping Systems

SUBMITTALS

A. Submit shop drawings in accordance with Section 01340 and the General Conditions
of the Construction Contract.

B. Submit manufacturer's "Certification of Conformance" that pipe and fittings and other

piping appurtenances meet or exceed the requirements of these Specifications.

Submit other documents as specified in the appropriate Sections of this Division.

Submittal shall include catalog cut for each different type of pipe hanger or support

indicating the materials of construction, dimensions and range of pipe sizes for which

that hanger is suitable. Where standard hangers and/or supports are not suitable, submit
detailed drawings showing materials and details of construction for each type of special
anchor and/or support.

E. Summary of Contractor selected related components including joints, class, valves,
appurtenances, etc., and commercial supports and piping materials.

F. Coordinate piping support arrangements to eliminate interference with similar systems
to be installed under HVAC, Plumbing, Fire Protection and Electrical; to account for
structural expansion joints and to maintain access for both personnel and for removal
of equipment.

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SEISMIC CONTROL
A. Not applicable.

DELIVERY, STORAGE AND HANDLING

A. Exercise care during loading, transporting, unloading, and handling to prevent damage
of any nature to interior and exterior surfaces of pipe and fittings.

B. Do not drop pipe and fittings.

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15050-2
PIPE & PIPE FITTINGS — GENERAL

Store materials on the project site in enclosures or under protective coverings in
accordance with manufacturer's recommendations and as required by the Engineer.
Assure that materials are kept clean and dry.

Do not store materials directly on the ground.

Follow manufacturer's specific instructions, recommendations and requirements.

PART 2 - PRODUCTS

2.1 MATERIALS

A.

Materials are specified in the following Sections in this Division.

PART 3 - EXECUTION

3.1 INSPECTION

A.

B.
C.

E.

F.

G.

Provide all labor necessary to assist the Engineer to inspect pipe, fittings, gaskets, and

other materials.

Carefully inspect all materials at the time of delivery and just prior to installation.

Carefully inspect all pipe and fittings for:

1. Defects and damage.

2. Deviations beyond allowable tolerances for joint dimensions.

3. Removal of debris and foreign matter.

Examine areas and structures to receive piping for:

1. Defects, such as weak structural components that adversely affect the execution
and quality of work.

2. Deviations beyond allowable tolerances for pipe clearances.

All materials and methods not meeting the requirements of this Contract will be

rejected.

Immediately remove all rejected materials from the project site.

Start work only when conditions are corrected to the satisfaction of the Engineer.

3.2 INSTALLATION

A.

General:

1. Install all pipe and fittings in strict accordance with the manufacturer's
instructions and recommendations and as specified herein.

2. Install all pipes and fittings in accordance with the lines and grades shown on the
Drawings and as required for a complete installation.

3. Install adapters, acceptable to the Engineer, when connecting pipes constructed
from different materials.

4. Support all piping in accordance with the "Pipe Hangers & Supports" Section in
Division 15.

3.3. CLEANING AND TESTING
A. Cleaning & Testing Piping - General:

1. Thoroughly clean all piping prior to testing. Remove all dirt, dust, oil, grease and
other foreign material. Exercise care while cleaning to avoid damage to linings
and coatings.

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3.

4.

15050-3
PIPE & PIPE FITTINGS — GENERAL

When the installation is complete, test all pipelines in the presence of the Engineer
and the plumbing or building inspector in accordance with the requirements of
the local and state plumbing codes and the appropriate Sections of these
Specifications, at no additional cost to the Owner. When requested by the
Engineer or local plumbing inspector, building gravity drains shall be tested prior
to backfilling or concealing. All other piping must be tested after backfilling.
Equipment: Supply all labor, equipment, materials, taps, gauges, and pumps
required to conduct the tests.

Retesting: Perform all retesting required by the Engineer at no additional cost to
the Owner.

Hydrostatic Pressure Test:

1.

Test piping in accordance with the “Hydronic Heating Systems Piping and
Specialties” Section in Division 15.

Connection to Work by Others.

1.

2.

3.

4

If work involves connection of pipe lines to pipes or structures provided by others,
pressure tests pipe line prior to making the connection.

After successfully passing the pipe line pressure test, make the necessary
connections to the work by others, and pressure test the connection.

The connection shall be pressurized to the pipe line test pressure, for a minimum
of 4 hours. The connection shall have no visible leakage.

Correct any leakage at no cost to the Owner and retest until connection passes.

Cleaning: Perform all specialized cleaning as specified or required by system.

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