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3.4

3.5

3.6

3.7

3.8

3.9

04200-3
UNIT MASONRY

B. Maintain masonry courses to uniform dimension. Form vertical and horizontal joints
of uniform thickness to provide a neat, uniform appearance.

C. Lay concrete masonry units in running bond. Course one unit and one mortar joint
to equal eight inches. Form concave mortar joints to provide a neat, uniform
appearance where exposed to view.

PLACING AND BONDING

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

B. Buttering corners of joints or excessive furrowing of mortar joints are not permitted.

C. Remove excess mortar which has splashed or been smeared on finished surfaces with
stiff bristle brushes as work progresses.

D. Place full mortar bed around each core that is to be grouted.

E. Interlock intersections and external corners.

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

G. Perform jobsite cutting of masonry units with electrically operated carborundum

saws to provide straight, clean, unchipped edges. Prevent broken masonry unit
corners or edges. Do not break units with hammers or other tools.

JOINT REINFORCEMENT AND ANCHORAGES

A. Install horizontal joint reinforcing at 16" on center at all masonry walls and infill.

B. Install corrugated anchors at new non-load bearing interior masonry walls abutting
concrete or existing masonry.

LINTELS
A. Install loose steel lintels over all openings greater that 16 inches wide.

CUTTING AND FITTING

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

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

MODIFICATIONS OR REPAIRS TO MASONRY

A. Demolition of existing masonry shall be done in a careful manner to minimize
damage to adjacent masonry that is not affected by the work. Provide protection,
barriers, dust screens, etc. to minimize disruption to interior spaces.

CLEANING

A. Clean work under provisions of Section 01710.

B. Remove excess mortar and mortar smears.

C. Replace defective mortar. Match adjacent work.

D. Clean soiled surfaces of unpainted surfaces with cleaning solution.
E. Use non-metallic tools in cleaning operations.

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04200-4
UNIT MASONRY

END OF SECTION

13089K

06100-1

SECTION 06100

ROUGH CARPRENTRY

PART | - GENERAL

L.] SECTION INCLUDES
A. Temporary enclosures.
B. All rough lumber, including wood nailers, posts, plates, blocking, strapping, and
lumber bases for mechanical and electrical equipment
C. Rough hardware, such as nails, bolts, screws, clips, as required to install rough
carpentry work.
D. Lumber Preservatives

1.2 | REALTED SECTIONS
A. Section 01340 - Submittals
B. Section 04200 - Unit Masonry
C. Section 07531 — Single Ply EPDM Roofing

1.3 REFERENCES
A. American Wood Protection Association (AWPA) ul - Use Category System - User
Specification for Treated Wood.

14 QUALITY ASSURANCE
A. All lumber except as otherwise specified herein shall:

1. Benew, dressed 4 sides (S4S), clean, and free from warping and other defects.

2. Conform to U. S. Department of Commerce Simplified Practice
Recommendations R-16 for sizes and use Classifications.

3. Have a moisture content not exceeding 19 percent when delivered to the
project.

4. National Forest Products Association - "National Design Specification for
Wood Construction - 2005 including Design Values for Wood Construction".

1.5 DELIVERY, STORAGE, AND HANDLING
A. Store all materials in an elevated dry location, protected by waterproof coverings.
Do not store within the building until masonry, concrete, and other such wet work

has been completed and allowed to dry.

PART 2 - PRODUCTS

2.1 ROUGH HARDWARE
A. Expansion anchor and anchor bolts shall be as shown on the Drawings and as
follow indicated below:
1. Nailers and blocking in excess of 7/8 inch thick - 3/4-inch diameter
galvanized steel anchor bolts or expansion bolts, as applicable.
2. Secure other non-specified lumber with galvanized steel fasteners, of a type
most suitable for the application.

13089K

06100-2
ROUGH CARPRENTRY

B. Hardware and fasteners in contact with pressure treated lumber shall be stainless
steel.

PART 3 - EXECUTION

3.1] TEMPORARAY BRACING
A. Provide and maintain, until such time as permanently built into the structure, all
temporary bracing for new openings, walls, door frames, sills, and other work

requiring bracing and which is not specified as being provided under other
SECTIONS of the specifications.

3.2 PROTECTION

A. Do such work as is necessary to cover and protect all finishes and other work from
damage during construction.

END OF SECTION

13089K

07270-1

SECTION 07270

FIRESTOPPING

PART 1 - GENERAL

1.1

1.2

1.3

1.4

1.5

1.6

1.7

SECTION INCLUDES
A. Firestopping for all new and existing penetrations in concrete and masonry walls,
floors and ceilings.

RELATED SECTIONS

A. Section 01050: Coordination

B. Section 01340: Submittals

C. Section 04200: Unit Masonry

D. Section 07900: Joint Sealers

E. Division 15: Mechanical

F. Division 16: Electrical

REFERENCES

A. ASTM E814 - Methods for Fire Tests of Through-Penetration Fire Stops.

B. Underwriters Laboratories 1479.

C. ASTM E84 - Test Method for Surface Burning Characteristics of Building Materials.
D. ASTM C665 - Standard Specification for Mineral-Fiber Blanket Thermal Insulation

for Light Frame Construction and Manufactured Housing.

PERFORMANCE REQUIREMENTS

A. Provide firestopping systems that meet or exceed the fire rating of the construction
assembly being penetrated, when tested in accordance with ASTM E814 and UL
1479.

SUBMITTALS

A. Submit product data under provisions of Section 01340.

B. Submit manufacturer's specification and installation instructions.

C. Submit design data indicating methods of closure.

D. Submit test reports indicating that the system meets the specified performance

requirements.
Submit shop drawing indicating large scale details for each type of penetration
through each type of construction assembly.

im

DELIVERY, STORAGE, AND HANDLING
A. Deliver materials to project site in manufacturer's original unopened packaging.
B. Store materials in area protected from weather and moisture.

SEQUENCING AND SCHEDULING
A. Coordinate work under provisions of Section 01050.

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07270-2
FIRESTOPPING

PART 2 - PRODUCTS

2.1 MANUFACTURERS

™MOOW >

Gold Bond Building Products
United States Gypsum

3M Products

Hilti

Johns Manville

Or equal

2.2 MATERIALS

A.

The materials specified herein are the generic components of typical firestopping
systems. The components shall be as required by the manufacturer to provide a
complete firestopping system complying with the performance requirements
specified.

Insulation Packing Material: A combination of mineral fiber manufactured from
glass and thermosetting resins, with a minimum density of 6 PCF, complying with
ASTM C665, Type 1.

Sealing Compound: A setting type sealing compound for use with gypsum
wallboard assemblies. Material must be as required by the manufacturer of the
gypsum wallboard system utilized and have passed testing in accordance with ASTM
E814.

Intumescent-type Wrap: Flexible rubber like material capable of expanding up to ten
times in volumes when subjected to heat.

Mortar: A cementious fire resistant material.

Steel Collar: As required by the manufacturer to provide the complete firestopping
system.

Sealant: Elastomeric caulking resistant to temperatures up to 2000°F, as required by
the manufacturer of the firestopping system.

PART 3 - EXECUTION

3.1 EXAMINATION

A.
B.

C.

Verify that openings are ready to receive work.

Verify that all penetrations are adequately prepared and that all back-up and systems
required to support the firestopping has been provided.

Beginning of installation means installer accepts existing conditions.

3.2 PREPARATION

A.

Protect materials surrounding the work of this section from damage.

3.3 INSTALLATION

A.

B.

Install firestopping at all new penetrations through both new and existing fire rated
assemblies.

Products shall be installed as per the manufacturer's submitted instructions to provide
a complete firestopping system at all fire rated assemblies.

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07270-3
FIRESTOPPING

C. Fill all annular spaces of penetrations in masonry and concrete with insulation
packing material and apply mortar on other approved sealing compound.

D. Install intumescent wrap around all plastic pipe and insulated pipe penetrating fire
rating assemblies.

E. Install sealant as required per manufacturer's instructions.

3.4 CLEANING
A. Clean work under provisions of Section 01710.

END OF SECTION

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07531-1

SECTION 07531

SINGLE-PLY EPDM ROOFING

PART 1 - GENERAL

1.1

1.2

1.3

1.4

1.5

1.6

SECTION INCLUDES
A. New Work on Existing Roofs.
Removal of existing roof system where required to install new items.

Single-ply EPDM fully adhered roofing system and flashing.
Metal Flashing
Concrete Walkway Pads.

AWN >

Re-issuance of the existing warranty after the work is complete

RELATED SECTIONS
A. Section 06100 - Rough Carpentry
B. Division 15 - Mechanical: General

PERFORMANCE REQUIREMENTS

A. The completed installation shall be inspected and approved by a representative from
the roofing manufacturer. All deficiencies noted in this inspection shall be corrected
at no additional cost to the Owner.

SUBMITTALS

A. Submit information requested under provisions of Section 01340.

B. Submit a letter from the manufacturer Johns Manville verifying that the
manufacturer approves the roofing subcontractor to do the work.

C. After completion of the work, submit documentation from Johns Manville stating the
existing warranty (15 year NDL Peak Advantage Warranty BNE107300188) issued
in 2015) is still valid and shall now also include the work performed under this
contract.

QUALIFICATIONS
A. Work on existing roofs shall be done by a Contractor who 1s certified by the

manufacturer of the existing roof system, Johns Manville.

DELIVERY, STORAGE, AND HANDLING

A. Manufactured roofing materials shall be delivered in manufacturer's original
unopened containers or wrapping with labels intact and legible.

B. Store and protect materials from damage and weather in accordance with the
manufacturer's instructions. Keep materials clean and dry. Store material on raised
platforms and cover top, sides and bottom

C. Adhere to the special precautions of the manufacturer or as required by the general
conditions, whichever is most stringent.

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0753 1-2
SINGLE-PLY EPDM ROOFING

1.7 ENVIRONMENTAL REQUIREMENTS
A. Proceed with roofing work when existing and forecasted weather conditions permit
work to be performed in accordance with manufacturer's recommendations and
warranty requirements.

1.8 WARRANTY
A. The roof is currently warrantied by Johns Manville for 15 years, starting in 2015. All
work shall comply with the manufacturer’s requirements to maintain the existing
warranty and to have this work included in the warranty.
B. Installers guarantee period shall be for two (2) years after date of acceptance.

PART 2 - PRODUCTS

2.1 MATERIALS
A. All materials required by the manufacturer for a complete installation.

2.2 PRECAST CONCRETE WALKWAY PADS
A. Pavers shall be a nominal 24-inch by 24-inch by 2-inch thick precast concrete.

PART 3 - EXECUTION

3.1 ROOF WALKWAYS
A. Concrete Pavers:
1. Install separator mat over entire area of the paver field, extending 2-inches
beyond the pavers. Overlap mat one-foot minimum at side and end laps.

3.2 WORK ON THE EXISTING ROOF

A. Remove existing roofing, flashing, blocking and nailers where indicated on the
drawings.

B. All work on the existing roof shall be as detailed and in accordance with the roofing
manufacturers printed standards.

C. All work shall be made watertight at the end of each workday.

D. Protect the existing roof from damage and maintain the water-tightness of the
building.

3.3 MANUFACTURER'S FIELD SERVICES
A. Upon completion of work on the existing roof, a manufacturer's representative will
make a thorough inspection of the work to determine that it complies with the
manufacturer's standards and specifications.

3.4 CLEANING
A. Remove debris, scraps, containers, rubbish, and other trash resulting from
installation of the roofing system from job site each day.

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0753 1-3
SINGLE-PLY EPDM ROOFING

END OF SECTION

13089K