Attachment 2 - MAHG151066 Repair Louvers NPS Dorms Specifications.pdf

MAHG15-1066

17MARCH2020

05 40 00_1-3

SECTION 05 40 00

LIGHT GAUGE METAL FRAMING

PART 1 - GENERAL

1.01 DESCRIPTION

A. The intent of this Section is to establish the standard of quality for materials, fabrication and erection of light gauge studs, track, floor joist, roof trusses, bridging and related accessories to complete the work as indicated on the Drawings and described in the Specifications.

B. Related Requirements Specified Elsewhere

1. Section 01 30 00 - Submittals

1.02 APPLICABLE STANDARDS

A. American Iron and Steel Institute (AISI): Design of Cold Formed Steel Structural Members.

B. American Welding Society (AWS): Welding in building Construction.

C. American Society for Testing and Materials (ASTM), D. Building Code as applicable.

E. American Institute of Steel Construction (AISC): Manual of Steel Construction.

1.03 SUBMITTALS

A. Shop Drawings

1. Prior to fabrication of framing, the Contractor shall submit fabrication and erection drawings to the Contracting Officer for review. Drawings shall be prepared under the supervision of and certified by a Professional-Engineer registered in Mississippi.

2. Indicate all member gauges, spacing’s and sizes.

3. Indicate shop and field assembly details including cut and connections.

4. Indicate type and location of all welds, bolts and fastening devices.

5. Shop drawings shall indicate all prefabricated framing with individual panel drawings for each condition.

B. Structural Calculations: Submit suggested structural design calculations as prepared by manufacturer for approval by the Contracting Officer. Calculations shall be prepared by a Professional Engineer registered in Mississippi.

1.04 QUALITY ASSURANCE

A. For purposes of designating type, sizes and quality for the work under this Section, Drawings and Specifications are based on products manufactured or furnished by INRYCO/Milcor Steel Framing Systems. Sizes and shapes shown on Drawings are to be considered the minimum structural sections allowable.

B. Products of other manufacturers similar to those specified herein will be acceptable for use on the project when approved in writing by the Contracting Officer. Supporting technical literature, samples, drawings and performance data sheets must be submitted for comparison.

05 40 00_2-3

C. Products for use on this project shall be of one manufacturer unless noted specifically otherwise herein.

PART 2 - MATERIALS

2.01 FRAMING MEMBERS

A. All framing members shall be of the type and size as shown on the Drawings. Minimum 18 gauge.

B. All painted studs 12, 14 and 16gauge, shall be formed from steel that corresponds to the requirements of ASTM A570 with a minimum yield of 50,000psi.

C. All painted 18 and 20 gauge studs, and all painted track, bridging, end closures and accessories shall be formed from steel that corresponds to the requirements of ASTM A611, Grade C with a minimum yield of 33,000psi.

D. All painted material and accessories shall be primed with rust inhibitive paint meeting the performance requirements of TT-P-636C.

2.03 SUBSTITUTIONS

A. Substitutions shall be made in accordance with the written approval of the Contracting Officer.

PART 3 - EXECUTION

3.01 FABRICATION

A. Prior to prefabrication of framing, the Contractor shall submit Fabrication and erection drawings to the Contracting Officer for approval.

B. Framing components may be pre-assembled into panels prior to erecting. Prefabricated panels shall be square with components and attached in a manner as to prevent racking.

C. All framing components shall be cut squarely for attachment to perpendicular members, or as required for an angular fit against abutting members. Members shall be held positively in place until properly fastened.

D. Axially loaded studs shall be installed in a manner, which will assure that the ends of the studs are positioned against the inside track web, prior to stud and track attachment.

E. Provide insulation equal to that specified elsewhere in all double jamb studs and doubleheader members, which will not be accessible to the insulation contractor.

3.02 ERECTION WALLS

A. Erect framing and panels plumb, level and square in strict accordance with the approved shop drawings.

B. Handling and lifting of prefabricated panels shall be done in a manner as to not cause distortion in any member.

C. Track shall be securely anchored to the supporting structure as shown on the fabrication and erection drawings.

05 40 00_3-3

D. At track butt joints, abutting pieces of track shall be securely anchored to a common structural element, or they shall be butt-welded or spliced together.

E. Studs shall be plumbed, aligned and securely attached to the flange or webs of both upper and lower tracks.

F. Jack studs or cripples shall be installed below window sills, above window and door heads, at free standing stair rails, and elsewhere to furnish support, and shall be securely attached to supporting members.

G. Wall stud bridging shall be attached in a manner to prevent stud rotation. Bridging rows shall be spaced according to the manufacturer.

H. Framed wall openings shall include headers and supporting studs.

I. Temporary bracing shall be provided until erection is completed.

J. Provide stud walls at locations indicated on Drawings as "shear walls" for frame stability and lateral load resistance.

K. Splices in axially loaded studs shall not be permitted.

3.06 CLEAN-UP

A. Remove all debris from site upon completion of work.

END OF SECTION

17March2020

05 50 00_1-3

SECTION 05 50 00

METAL FABRICATIONS

PART 1 - GENERAL

1.01 DESCRIPTION

A. The work required under this Section consists of steel lintels, metal stairs, ladders, roof scuttles, metal fabrications, miscellaneous bolts, anchors, fastenings, shop painting and related items to complete the work as indicated on the Drawings and described in the Specifications.

B. Related Requirements Specified Elsewhere

1. Section 01 30 00 - Submittals

2. Section 09 90 00 - Painting

1.02 SUBMITTALS

A. Submittal data shall be submitted in accordance with Section 01300 - Submittals.

B. Submit shop drawings for all work herein. Drawings shall be completely detailed and dimensioned and show the following:

1. General arrangement

2. Design

3. Kind of metal

4. Sizes

5. Finish

6. Indicate fabrication

7. Assembly and erection details

8. Pattern

9. Clearances

10. All necessary connections to adjacent work

1.03 INDUSTRY STANDARDS

A. Comply with applicable current standard Specifications of:

1. American Society for Testing and Materials (ASTM)

2. American Institute of Steel Construction (AISC)

3. National Association of Ornamental Metal Manufacturers

4. American Welding Society's Code for Welding in Building Construction

1.04 HANDLING AND STORAGE

A. Protect products during transport and delivery to prevent scraping of shop painting. Store all products in an area protected from weather, moisture and damage. Handle all products so as to prevent damage, warping or rusting.

PART 2 - MATERIALS

2.01 METALS

A. Use best commercial quality for purposes specified, of new stock of domestic manufacture, free from

05 50 00_2-3 defects that may impair strength, durability or appearance.

B. Mild-Steel: Hot rolled, low carbon, AISC M 1020

C. Structural Steel: Weights of connections and accessories to be adequate to sustain safely and withstand stresses and strains to which normally subjected. Use new domestic material conforming to ASTM A 36 and to Industry Standards listed herein.

2.02 FABRICATION

A. Unless otherwise indicated all ironwork shall be mild or structural steel at the Contractor's option.

B. Verify measurements in field, as required, for work fabrication to fit job conditions.

C. Fabricate work in ample time not to delay job progress; deliver to job as such time required for proper coordination.

D. Fabricate and form work true to detail, with clean straight, sharply defined profiles. Iron shall have smooth finished surfaces unless otherwise indicated. Shearing and punching shall leave clean true lines and surfaces.

E. Fastenings shall be concealed where practical. Thickness of metal and details of assembly and supports shall give ample strength and stiffness. Joints exposed to weather shall be formed to exclude water. Provide holes and connections for the work of other trades.

F. Make joints of such character, assembly to be strong, rigid at adjoining sections. Weld or rivet permanent connections. Welds and flush rivets shall be finished flush and smooth on surfaces that will be exposed after installation; welds continuous. Do not use screws or bolts where they can be avoided; where used, heads shall be countersunk, screwed up tight and threads nicked to prevent loosening. Unexposed welded joints may be continuous or spot welded as required. Remove weld spatter from adjacent surfaces.

G. Casting shall be uniform quality free from blowholes, porosity, hard spots, shrinkage, distortion or other defects. Casting shall conform to dimensions indicated with a tolerance of + 1/8" except in the dimensions to of covers and openings to receive them shall be limited to plus or minus 1/16". Casting shall be smooth and well cleared by shot blasting or other approved methods. Covers subject to street or foot traffic shall be machined horizontal bearing surfaces; provide machined bearing or contact surfaces for other joints where indicated or required.

2.03 FASTENINGS

A. For exposed work: Use same material, color and finish of material to which applied.

B. Provide miscellaneous bolts, anchors, and fastenings where necessary to carry out work as specified or shown on Drawings and of sizes, materials and types indicated or required.

2.04 SHOP PAINTING

A. Thoroughly clean all ferrous miscellaneous metal, in accordance with SSPC-SP-6-63 Commercial Blast Cleaning, to remove all dirt, grease, rust, scale and foreign matter.

B. Treat all galvanized metal in accordance with shop coat before painting.

05 50 00_3-3

C. Unless otherwise specified, shop-paint all metal items, including galvanized metal. Do not paint bronze, aluminum, or stainless steal. Surfaces inaccessible after assembly shall be painted before assembly. Work paint thoroughly into joints.

D. Materials shall be Tnemec 1009 Gray or approved equal.

2.16 WELDED STUDS

A. Provide studs headed as indicated or as required for intended use. Provide studs of cold-drawn bar stock conforming to ASTM A 108, Grade 1015 or 1020, and conform to requirements of AWS D1.1.

B. Provide headed studs of dimensions indicated. Provide head dimensions and lengths of other welded anchor studs of standard dimensions produced by a reputable manufacturer, unless greater lengths are indicated.

2.17 ACCESS PANELS

B. Provide panels in each mechanical plenum location and where required for access to concealed valves, traps, coils, expansion joints, and similar devices for which no other means of access is provided. Provide panels no smaller than 12 inches square.

2.19 CONTINUOUS SLOTTED METAL CHANNEL INSERTS

A. Provide channel inserts and associated nuts, stud nuts, and other accessories as manufactured by Unistrut Corporation, Wayne, Michigan, or equal.

B. Provide the minimum capacity indicated on the drawings.

2.20 ALUMINUM SILLS

A. Provide aluminum sills at windows and louvers, accurately cut and fitted to the spaces, and minimum of 0.125 inch thick. Provide joints, where required, at mullion center points and thoroughly seal.

Securely anchor sills in place. Provide finish to match finish of louvers and windows.

PART 3 - EXECUTION

3.01 INSTALLATION

A. Erect work with mechanics experienced in erection of respective types of materials.

B. Work shall be strong, secure and adequate for purposes intended.

C. Material and workmanship not conforming to the provisions of these Specifications shall be rejected at any time during the progress of the work. Rejected workmanship shall be corrected immediately after notification.

Rejected material shall be removed from the project site at the time of such rejection.

D. Insulate dissimilar materials in contact or in contact with other metals in such a manner as to prevent corrosion. All steel in contact with concrete or earth shall have two coats of approved black asphaltic paint applied over shop coat. Use materials required for such results as approved by the Contracting officer.

06 10 00_1-4

SECTION 06 10 00

ROUGH CARPENTRY

PART I - GENERAL

1.01 DESCRIPTION

A. The work required under this Section consists of lumber, protection treatment of lumber, shores and scaffolding, grounds, nailers, blocks, stripping, furring, rough hardware, and related items to complete the work as indicated on the Drawings and described in the Specifications.

B. Related Requirements Specified Elsewhere

1. Section 01 30 00 - Submittals

3. Section 06 30 00 - Wood Treatment

4. Section 07 60 00 - Flashing and Sheet Metal

1.02 INDUSTRY STANDARDS

A. Sizes and thicknesses shall be interpreted in terms of the American Association Lumber and Moulding Rules, except where the details show sizes and profiles at large scale or full size. In such cases, the larger details shall be followed.

B. Grades shall be as defined by the rules of the recognized Association of Lumber Manufacturers producing the materials specified; but defects or blemishes prohibited by this Specification, even though permissible in the grades, shall not appear in the materials used.

1.03 SUBMITTALS

A. Submit in accordance with Section 00 13 00 - Submittals.

B. Provide certificates stating that materials comply with governing ordinances, that treatment will not bleed through finished surfaces and that treatment conforms to applicable standards.

1.04 HANDLING AND STORAGE

A. On arrival at the job site insure proper protection of all materials of this Section, including lumber and treated material, from damage and weather. Store materials in an area well drained, above grade, ventilated, and do not allow materials to be incorporated into the job which have been stored in contact with the ground.

B. Protect fire-retardant materials against high humidity and moisture during storage and erection.

PART 2 - MATERIALS

2.01 LUMBER

A. All framing lumber shall be of No. 2 Southern Yellow Pine or Construction Grade Douglas Fir, seasoned and kiln-dried, S4S, in accordance with the latest Association rules for grading and allowable moisture content.

B. Wood studs shall be stud grade or better Southern Yellow Pine, Douglas Fir or approved equal.

06 10 00_2-4

C. All plates, nailers, blocking and grounds shall be of No. 2 or No. 3 Southern Yellow Pine, dressed to the sizes indicated and treated with preservative hereinafter specified.

D. Plywood shall conform to Product Standard PS-166.

E. Form work specified in Section 03300 - Cast-in-Place Concrete.

F. Plywood Backboards for Telephone: DOC PS 1, Interior Type, Grade C-D plugged or better, 3/4 inch, fire-retardant treated.

2.02 SHEATHING

A. Roof and horizontal deck sheathing shall be plywood sheathing ext. APA grade.

B. Wall sheathing shall be Homasorte Ultra/R Insulated sheathing 5/8" thick except corners shall be plywood sheathing ext. APA and required for wind bracing.

2.03 BUILDING WRAP

A. Building wrap shall be Amowrap house wrap as manufactured by Amoco Foam Product Co., or approved equal.

2.04 ROUGH HARDWARE

A. Furnish of proper size and type, all necessary nails, spikes, screws, bolts, washers, anchors and other rough hardware employed in connection with the Work.

B. Fasteners shall be hot-dipped galvanized, ASTM A 153 steel for high humidity and treated wood locations, unfinished steel elsewhere.

C. Bolts shall meet ASTM A 307.

2.05 WOOD TREATMENT

A. Refer to Section 06300 - Wood Treatment for preservative treatment.

B. Fire-Retardant wood shall meet AWPA C20 for lumber and AWPA C27 for plywood, Interior Type, chemically treated and pressure impregnated; capable of providing a maximum flame spread/smoke development rating of 25. Provide fire-retardant treatment for telephone and equipment backboards.

2.06 WATER RESISTANT BARRIERS

A. Water resistant barriers shall be a spun-bound, non-woven, non-perforated membrane. Tyvek Commercial Wrap by Dupont Co., or equal.

B. Sealing tape and fasteners shall be as recommended by the manufacturer.

PART 3 - EXECUTION

3.01 GENERAL REQUIREMENTS

A. All lines for partitions and openings shall be laid out to correct size and location for the use of other trades in construction of the Work.

06 10 00_3-4

B. Cooperate with mechanics of other trades who have work coming into contact with this Section's work. Erect necessary shores, proper scaffolding, and ladders to carry on concrete and unit masonry work and for general use of workmen. Where anchors, nailing pieces, frame or other carpentry work are to be built into masonry, the material shall be furnished in ample time to avoid delays.

C. Build shores and scaffolding substantially and of sufficient strength to safely carry imposed loads;

thoroughly brace to hold rigidly in place. Allow shores to remain in place until construction work has set sufficiently for their removal.

3.02 CONSTRUCTION METHODS

A. Set all bolts, dowels, anchors, ties and fastenings of every description shown or as required to properly install rough carpentry work.

B. Install all wood plates, nailers, furring, blocking and grounds of the sizes indicated or required for the attachment of carpentry and other items and the work of other trades. Accurately set all rough carpentry items with close fitting joints to required lines, planes and levels, properly and rigidly secured in place. Wood items to be secured to concrete and masonry with approved nailing plugs, toggle bolts, lag screws, expansion bolts, screws or other approved devices; counter sunk where required, to prevent interference with adjacent work.

C. Under all treated wood framing resting on concrete or masonry, install one ply of Nervastral or approved equal.

D. Install treated wood where specified or noted on the Drawings with an asterisk and in all locations where lumber is in contact with concrete or masonry which is to become a permanent part of the building, whether structural or not.

E. Install treated wood for all roofing system blocking, curbs and nailers.

3.03 FRAMING

A. Provide dressed wood grounds to secure cabinetwork, and marker boards, and elsewhere as required for support and alignment of finish items. Grounds shall be set rigidly and in alignment as required by the nature of the work to be set against them. Provide grounds 1-1/2 inches wide unless otherwise indicated and of the thickness required for the specified purpose.

B. Install wood blocking behind handrail brackets and wall mounted door stops.

C. Set members and other rough work, closely fitted, level, and plumb, in correct position, and secured in place.

D. Place horizontal members flat, crown side up.

E. Construct curb members of single pieces.

F. Curb roof openings except where pre-fabricated curbs are provided. Form corners by alternating lapping side members.

G. Coordinate curb installation with installation of decking and support of deck openings and roofing vapor retardant.

06 10 00_4-4

3.04 SHEATHING

A. Secure sheathing to framing members with ends over firm bearing and staggered. Comply with applicable recommendations of APA E30. Provide "H" clip for unsupported edges of out sheathing.

B. Install telephone and equipment panel-boards with plywood sheathing material as a backboard where required. Over size the panel by 12 inches on all sides.

3.05 PROTECTION OF WORK

A. For work such as projecting courses, unit masonry, door frames, etc. , and where required by the Architect to properly protect finished work, construct protections of wood and/or other substantial material, free from substances that might stain the materials protected. Maintain protections until work has progressed to a point where reasonable assurance against damage can be attained.

06 20 00_1-3

SECTION 06 20 00

FINISH CARPENTRY

PART I - GENERAL

1.01 DESCRIPTION

A. The work required under this Section consists of all finish carpentry, "custom" grade millwork and casework for stain finish and related items to complete the work as indicated on the Drawings and described in the Specifications.

B. Related Requirements Specified Elsewhere

1. Section 01 30 00 - Submittals

1.02 SUBMITTALS

A. Submit shop drawings in accordance with the requirements of Section 01300 Submittals.

B. Shop drawings shall include but not be limited to the following:

1. Complete elevations of all millwork units

2. Sections and details of construction

3. Finishes

4. Methods of assembling sections

5. Location and installation of hardware

6. Size, shape and thickness of materials

7. Joint and connection details

8. Details of joining with other work

1.03 INDUSTRY STANDARDS

A. Sizes, thicknesses and grades shall be defined by the rules of the recognized Association of Lumber Manufacturers producing the materials specified, but defects or blemishes prohibited by this Specification, even though permissible in grade, shall not appear in the materials used.

B. Each panel of softwood plywood shall be identified with the DFPA Grade trademark of the American Plywood Association and shall meet the requirements of the latest edition of U. S. Product Standards PS 166 for Softwood Plywood.

C. Finish carpentry shall be governed by "Quality Standards" of the Architectural Woodwork Institute.

1.04 HANDLING AND STORAGE

A. Insure proper protection from weather and damage during delivery and job site storage of all materials of this Section.

B. Wood materials shall not be stored within the structure until work is reasonably dry. Store all carpentry materials and millwork in an area protected from weather, moisture, and damage.

C. Handle all products so as to prevent damage or soiling.

06 20 00_2-3

PART 2 - MATERIALS

2.01 LUMBER

A. All lumber shall from sound stock, thoroughly seasoned and free from defects. Moisture content of finish lumber shall not exceed eleven (11) percent. Each piece of lumber must bear the grade and trademark of the association under which it is graded.

B. Framing lumber shall be "B or Better" grade kiln dried, Ponderosa Pine.

2.02 PLYWOOD AND SHEET PRODUCTS

A. All plywood for uses where shown on Drawings shall conform to the industry standards specified.

B. All plywood which has any edge or surface exposed to the weather shall be exterior type glued.

C. Use Grade AD where one side is exposed and Grade AA where both sides are exposed to view.

2.03 FINISH WOOD

A. Furnish free from defects impairing durability or fitness for receiving finish, from sound stock and thoroughly seasoned. Properly sand all materials at mill and hand sand as required at job.

B. Furnish wood of "B or Better" kiln-dried plain sawn White Oak, mill sanded, for custom grade work.

C. Furnish wood of "B or Better" grade Poplar mill sanded, for economy grade work.

2.04 HARDWARE

A. Furnish all screws, nails, bolts, plates and other items necessary to complete work.

B. All finish carpentry shall conform to the latest edition of grade requirement of the AWI Quality Standards, custom grade or economy grade as applicable.

C. All finish carpentry of every sort shall be put up plumb or level, and straight and true.

D. In every case, put up trim and firmly secure to proper grounds. Fit and scribe all parts to other work in a careful manner so as not to injure the surfaces in any way.

E. Blind nail wherever possible, but where not possible, drive and set nails so as to not be visible in the finish.

PART 3 - EXECUTION

3.01 INSTALLATION

A. Install all items of finish carpentry including trim of every description, with edges fitted tightly to surfaces on which applied and securely nailed to supporting members with finishing nails, set ready for putty, with tight fitting metered joints and flush surfaces.

3.03 PROTECTION

A. All surfaces are to be left clean, ready for painting and all damaged surfaces or items shall be

06 20 00_3-3 repaired or replaced.

B. Protect all finish surfaces and hardware until painting is completed.

3.04 CLEANING AND ADJUSTMENT

A. After installation clean all surfaces of dirt and remove all debris.

B. Prior to completion of construction, examine all doors and other movable parts; adjust as required and leave hardware in good working order.

06 30 00_1-2

SECTION 06 30 00

WOOD TREATMENT

PART 1 - GENERAL

1.01 DESCRIPTION

A. The work required under this Section consists of preservative treatment of lumber to complete the work as indicated on the Drawings and described in the Specifications.

B. Related Requirements Specified Elsewhere

1. Section 01 30 00 - Submittals

2. Section 06 10 00 - Rough Carpentry

3. Section 06 20 00 - Finish Carpentry

1.02 SUBMITTALS

A. Submit data in accordance with Section 00 13 00 - Submittals.

B. An affidavit signed by an official of the preservative treatment company, stating the preservative(s) used, retention, paintability, drying time, surface deposit and moisture content upon shipment from the treatment plant, shall be submitted to the Architect.

PART 2 - MATERIALS

2.01 PRESERVATIVES

A. Preservatives shall be waterborne salts ACQ, CCA or CA-B listed on the table of the applicable AWPA standard governing the particular type of treatment.

B. Preservative chemicals shall meet the requirements of AWPA Preservative Standard P-5.

C. Minimum retention shall be as determined by assay or gauge method in accordance with AWPA. Use category system (UCS) Standards.

D. Each piece of treated lumber or plywood shall bear the American Wood Preservers Bureau Quality Mark.

E. Each piece of lumber shall be dried after treatment not to exceed 19% moisture content or that allowed by National Grading Rules for species and size specified to be dried. Plywood shall not exceed 18%.

PART 3 - EXECUTION

3.01 PRESSURE TREATMENT

A. Lumber and plywood used on the exterior of buildings and exposed to weather, and not painted, all wood members in contact with masonry or concrete and all other wood so noted shall be pressure treated in accordance with AWPA Standard LP-2 or LP-4.

B. Where Standard LP-4 is used, water repellents shall be added.

06 30 00_2-2

3.02 INSTALLATION

A. Metal products in contact with pressure-treated wood shall be corrosion resistant. Fasteners for pressure-preservative treated wood shall be hot-dipped zinc-coated galvanized steel, stainless steel, silicon bronze or copper. Coating weights for zinc-coated fasteners shall be in accordance with ASTM A153. Use only hot-dip galvanized or stainless steel fasteners/connections on lumber treated with a copper-based preservative.

B. Where carbon-steel electroplated galvanized or aluminum products are in contact with wood containing copper-based preservative, use a barrier to prevent direct contact.

C. Field cuts and holes in lumber thicker than one inch nominal shall receive a liberal brush coat of the same preservative chemical used on pressure treatment.

D. All treated lumber to be painted shall be dried to 16% moisture content prior to painting.

E. Install treated wood where specified or noted on the Drawings with an asterisk and in all locations where lumber is in contact with concrete or masonry which is to become a permanent part of the building, whether structural or not.

07 24 00_1-4

SECTION 07 24 00

EXTERIOR INSULATION AND FINISH SYSTEM (EIFS)

PART I - GENERAL

1.01 DESCRIPTION

A. Provide all labor, materials and equipment necessary to install the Field-Applied exterior insulation and finish system.

B. Related Requirements Specified Elsewhere:

1. Section 01 30 00 - Submittals

2. Section 05 40 00 - Cold Formed Metal Framing

3. Section 07 60 00 - Flashing and Sheet Metal

4. Section 07 90 00 - Caulking and Sealants

1.1 SUMMARY

A. Section includes exterior insulation and finish system (EIFS - Class PB).

B. Related Sections include the following:

1. Division 7 Section “Joint Sealants”

1.2 SYSTEM DESCRIPTION

A. Description of Parex EIFS Water Master Commercial DB System:

1. Parex EIFS Water Master System with Cementitious Base Coat: An Exterior Insulation and

Finish System (EIFS) consisting of channeled Expanded Polystyrene Insulation (EPS) Board, Non-cementitious Adhesive, Vented Track, Cementitious Base Coat with embedded Reinforcing Fabric Mesh, Primer, and Finish Coat.

2. This system is installed over a secondary weather barrier consisting of Parex KeyCoat Liquid Membrane & Adhesive applied over exterior sheathing to form a water draining assembly.

1.3 SUBMITTALS

A. Written approval of applicator by System manufacturer.

B. Finish standard color and texture samples for selection. Then 2 x 4 foot sample of color and texture selected for approval.

1.4 QUALITY ASSURANCE

A. Applicator and Application:

1. Applicator shall be approved by the manufacturer of the System.

2. Engaged in application of EIFS for a minimum of three (3) years.

3. Employ skilled mechanics who are experienced and knowledgeable in EIFS application, and familiar with the requirements of the specified work.

4. Successful completion of minimum of three (3) projects of similar size and complexity to the specified project.

B. Regulatory Agencies:

1. System shall be approved by Southern Building Code Congress International.

2. System shall have been subjected in its end use configuration to a full scale fire test such as Building Corner Test and shall be listed by Factory Mutual or Underwriter's

07 24 00_2-4

Laboratories as an acceptable system for use on non-combustible construction.

1.5 DELIVERY, STORAGE AND HANDLING

A. Deliver products in original unopened packaging with legible manufacturer's identification.

B. Protect coatings (pail products) from freezing and temperatures in excess of 90°F. Store away from direct sunlight.

C. Protect Portland cement based materials (bag products) from moisture and humidity. Store under cover off the ground in a dry location.

1.6 PROJECT CONDITIONS

A. Apply only in ambient temperature above 40 degrees F. and on unfrozen surfaces and maintain specified ambient temperature for at least 24 hours after installation.

B. Provide protection of surrounding areas and adjacent surfaces from application of materials.

1.7 WARRANTY

A. Provide manufacturer's standard labor and material warranty. PART 2 – PRODUCTS

2.1 MANUFACTURERS

A. Drawings and specifications are based upon Parex, Inc.

B. Equal as approved

2.2 SYSTEM

A. Parex Exterior Insulation & Finish System (EIFS) Water Master Commercial DB System.

1. Secondary Weather Resistive Barrier:

2. Parex KeyCoat Liquid Membrane Adhesive 395A, trowel applied liquid membrane weather barrier.

3. Parex Sheathing Tape 396.

4. Adhesive: Parex KeyCoat Liquid Membrane/Adhesive, or manufacturer’s specified adhesive for the system.

5. Insulation Board: In compliance with manufacturer’s requirements for the system.

6. Base Coat: Base Coat/Adhesive 121 or 121 Dry (Cementitious), or ABC-N1

Base Coat/Adhesive 302 (Full Synthetic).

7. Mesh Reinforcement: Locations to achieve impact strength shall be as follows:

8. Locations (Not Otherwise Noted): EIMA Impact Classification: High Impact

9. Track: Vented Track 363 as required for EIFS.

10. Seal Tape: Seal Tape 360.

B. Parex System Finish:

1. Type, texture, and color to be selected by Contracting Officer from manufacturer’s standard

C. Product Performance Requirements: Refer to Product Performance Sheet as attached herein.

2.3 MATERIALS

A. Secondary Weather Barrier:

1. Parex KeyCoat Liquid Membrane Adhesive 395A: Vapor permeable fluid-applied flexible coating for exterior gypsum sheathing to provide a secondary weather barrier.

2. Parex Sheathing Tape 396: Non-woven synthetic fiber tape to reinforce liquid membrane at sheathing board joints.

3. Parex Flashing Membrane 365: Self-sealing, non-woven mat backed, rubberized asphalt membrane, 30 mils thick.

07 24 00_3-4

B. Water Master Insulation Board:

1. Shall be produced by a manufacturer approved by Parex.

2. Shall conform to ASTM C-578, Type I and the Parex specification for Molded

Expanded Polystyrene Insulation board.

3. Maximum size shall be 2’ x 4’.

4. Nominal thickness shall be 1-1/2” minimum.

5. Back of insulation board shall be configured with channels as per Parex Water

Master design.

C. Adhesive:

1. Parex KeyCoat Liquid Membrane Adhesive 395A: Full synthetic weather resistive membrane and adhesive for bonding Parex Water Master Insulation board to exterior gypsum sheathing.

2. Sheathing Adhesive 303: 100% acrylic polymer based; ready to use, applied without the addition of cement; used as an adhesive to laminate EPS Insulation Board to appropriate substrates.

D. Parex Reinforcing Mesh:

1. High Impact 14 Mesh 358.14: Weight 14 oz. per sq. yd. Reinforcing mesh used with Parex EIFS Water Master Commercial System; to achieve EIMA high impact strength.

2. Short Detail Mesh 356: Reinforcing mesh used for back-wrapping and details.

3. Self-Adhesive Detail Mesh 352: Reinforcing mesh used for complex details.

E. Parex Base Coat:

1. Base Coat/Adhesive 121: 100% acrylic polymer base, requiring the addition of Portland cement.

2. Base Coat/Adhesive 121 Dry: Copolymer based, factory blend of cement and proprietary ingredients.

3. ABC-N1 Base Coat/Adhesive 302: 100% acrylic polymer base, ready to use.

F. Parex Primers:

1. Primer 310: 100% acrylic based coating to prepare surfaces for Parex finishes.

2. Sanded Primer 313: 100% acrylic based coating to prepare surface for

Parex Cerastone finish.

G. Parex Finish Coat: Factory blended, 100% acrylic polymer based synthetic finish, integrally colored. Finish type, texture and color as selected by Contracting Officer.

H. Parex Vinyl Track: Exterior grade PVC extrusion accessory used for base termination of Parex EIFS at grade; provides straight termination. Vented Track 363: Vent holes for drainage and perforated front flange to key base coat.

I. Parex Seal Tape 360: Self adhering pre-compressed expanding tape for forming a weather seal.

J. Water: Clean, potable water.

K. Portland Cement: ASTM

C 150, Type I. PART 3 – EXECUTION

3.1 EXAMINATION

A. Examination of Substrate:

1. Prior to installation of EIFS, examine substrate as follows:

a. Substrate shall be of a type approved by the manufacturer.

b. Substrate shall be examined for soundness, such as tightness of connections, crumbling or looseness of surface, voids and projections, spacing of panels, and other conditions.

c. Deviations beyond allowable tolerances for installation of substrate material. The substrate shall have no planar irregularities greater than 1/4 inch.

d. Substrate surface shall be free of foreign materials such as oil, 07 24 00_4-4 dust, dirt, form release agents, paint, wax, water, frost, and other harmful materials.

2. Advise Contracting Officer of discrepancies preventing installation of a manufacturer's warranty EIFS. Do not proceed with EIFS work until unsatisfactory conditions are corrected.

3.2 INSTALLATION

A. General: Installation shall conform to this specification and Parex EIFS written instructions and drawing details.

1. Install tracks, back-wrap mesh, or edge-wrap mesh at system terminations.

2. Apply Self-Adhering Flashing Membrane as specified in Division 7 Section

“Vapor Barriers” at rough openings and tracks to provide continuity of water shedding.

3. Install Parex KeyCoat Liquid Membrane Adhesive and Parex Sheathing Tape on all sheathing joints to receive the system to provide continuity of water shedding.

4. Apply Parex KeyCoat Liquid Membrane Adhesive to entire surface of substrate to form a continuous, monolithic weather resistive barrier.

5. Install Water Master Insulation board into the wet KeyCoat Liquid Membrane Adhesive and press firmly into place. Make sure that the boards are butted tightly together. Rasp irregularities off insulation board.

6. Apply base coat and fully embed mesh in base coat; include diagonal mesh patches at corners of openings and reinforcing mesh patches at joints of track sections. Apply multiple layers of base coat and mesh where required for specified impact resistance classification.

7. Apply primer to base coat after drying. Primer may be omitted if it is not required by the manufacturer's primer and base coat product data sheets for the specified finish coat.

8. Finish Coat: Apply finish coat to match specified finish type, texture, and color. Apply finish except at base coat areas to receive sealant.

9. Install sealant in accordance with Parex details and instructions. Apply sealant to base coat.

3.3 PROTECTION

A. Provide protection of installed materials from dust, dirt, precipitation, freezing and continuous high humidity until they are fully dry.

3.4 CLEANING

A. Remove any temporary protection of other work. Remove finish from areas not indicated to receive this finish. Repair any other surfaces which have been stained, marred or otherwise damaged during the work under this Section.

B. Upon completion remove unused materials, containers and equipment and clean up area.

07 27 00_1-3

SECTION 07 27 00

FIRESTOPPING

PART I - GENERAL

1.01 DESCRIPTION

A. The work required under this Section consists of providing fire-stopping including fire-safing, sealant, noncombustible insulation and related items to complete the work as indicated on the Drawings and described in the Specifications.

B. Related Requirements Specified Elsewhere

1. Section 01 30 00 - Submittals

1.02 SUBMITTALS

A. Submit data in accordance with Section 01300 - Submittals.

B. Submittals shall include, but not be limited to the following;

1. Technical literature

2. Performance data

3. Spec-Data sheets

4. Manufacturer's installation instructions

1.03 QUALIFICATIONS

A. Manufacturer shall be company specializing in manufacturing the products specified in this Section.

B. Applicator shall be a company specializing in performing the work of this Section.

1.04 COORDINATION

A. Coordinate the work with other trades. Fire-stopping materials at penetrations of insulated pipes and ducts shall be applied prior to insulation, unless the insulation meets the requirements specified for fire-stopping.

1.05 ENVIRONMENTAL REQUIREMENTS

A. Do not apply materials when temperature of substrate material and ambient air is below 60 degree F.

B. Maintain this minimum temperature before, during, and for 3 days after installation of materials.

C. Provide ventilation in areas to receive solvent cured materials.

1.06 HANDLING AND STORAGE

A. Deliver all materials to the job site in the original manufacturer's sealed packages

B. Store all materials off-ground and cover to keep dry.

07 27 00_2-3

PART 2 - PRODUCTS

2.01 FIRESTOPPING MATERIAL

A. Fire-stopping material shall be asbestos-free and capable of maintaining an effective barrier against flame and gases in compliance with the following requirements:

1. Flame Spread: 25 or less, ASTM E-84.

2. Smoke development: 50 or less, ASTM E-84.

3. Fire Resistance and Hose Stream Tests: Fire-stopping materials shall be rated "F" and "T" in accordance with ASTM E-814 or UL 1479, except that the "T" rating may be based on thermocouples placed one inch from a penetrating item in lieu of direct attachment to penetrating items. Rating periods shall conform to the time rating of the floor and wall assembles.

4. Combustibility: Non-combustible, ASTM E-136.

B. Dam material shall be non-combustible ceramic type, permanent.

PART 3 - EXECUTION

3.01 FIRESTOPPING LOCATIONS

A. Provide fire-stopping in the following locations:

1. Duct, cable, conduit and piping penetrations through floor slabs and through time-rated partitions or fire walls.

2. Openings between walls and ceilings of time-rated assemblies.

3. Openings and penetrations in enclosures with time-rated fire doors.

4. Between top runner and fluted bottom of steel floor and/or roof deck above.

5. Other locations indicated or specified.

3.02 PREPARATION

A. Surface to be in contact with fire-stopping materials shall be free of dirt, greases oil, loose material, rust, or other substances that may affect proper fitting or the required fire resistance.

B. Remove incompatible materials, which affect bond.

3.03 INSTALLATION

A. Fire-stopping shall be installed in strict accordance with the manufacturer's instructions.

B. Fire-stopping materials shall completely fill the void spaces.

C. Fire-stopping materials for filling voids in floors having openings of 4 inches or more shall be installed to support the same load as the floor is designed to support, unless the area is protected by a permanent barrier preventing loading or traffic of the fire-stopped area.

D. Fire-stopped areas shall be examined to ensure proper installation prior to concealing or enclosing the fire-stopped areas.

E. Install galvanized metal collars around penetrating utilities in accordance with manufacturer's

07 27 00_3-3 instructions.

F. Apply fire-stopping material in sufficient thickness to achieve required rating to uniform density and texture.

G. Close and seal slots, sleeves, and other penetrations in fire-rated floors, walls or other general construction with fire-stopping material.

H. Fill, seal, and paint annulus between pipe and ductwork and walls or floors in finish spaces to match adjacent surfaces.

I. Systems for plastic piping shall be designed to expand and fully fill opening in the event of a fire.

3.04 CLEANING

A. Clean adjacent surfaces of fire-stopping materials.

3.05 PROTECTION OF FINISHED WORK

A. Protect adjacent surfaces from damaged by materials installation.

07 60 00_1-4

SECTION 07 60 00

FLASHING AND SHEET METAL

PART 1 - GENERAL

1.01 DESCRIPTION

A. The work required under this Section consists of metal flashing, coping, sill and lintel flashings, counter flashings, over-base flashings, counter flashings at roof mounted equipment and vent stacks, deep edge flashing, fascia and fascia flashing, gravel stop and related items indicated and as required to make wall systems watertight and to complete the work as indicated an the Drawings and described in the Specifications.

B. Related Requirements Specified Elsewhere

1. Section 01 30 00 - Submittals

2. Section 07 90 00 - Caulking and Sealants

1.02 SUBMITTALS

A. Submit brochures in accordance with Section 01300 - Submittals.

B. Submittals include but are not limited to the following:

1. Sheet metal shop drawings.

2. Fastenings and fittings.

C. Submit product data for each type of flashing material.

D. Provide color charts and samples of pre-coated sheet materials.

1.03 QUALIFICATIONS

A. Perform work in accordance with SMACNA standard details and requirements.

B. Fabricator and installer shall be a company specializing in sheet metal flashing work as specified in this Section.

1.04 DELIVERY, HANDLING AND STORAGE

A. Materials shall be adequately packaged and protected during shipment and shall be inspected for damage, dampness, and wet-storage stains upon delivery to the job site. Damaged or permanently stained materials that cannot be restored to like-new condition shall be removed from the site and replaced.

B. Sheet metal items shall be handled carefully to avoid damage to surfaces, edges and ends. Crated materials shall not be uncrated until ready for use.

C. Materials shall be stored in dry, weathertight, ventilated areas until ready for use.

07 60 00_2-4

PART 2 - PRODUCTS

2.01 SHEET ALUMINUM

A. Materials: Sheet metal items shall be furnished in 8 to 10 foot lengths. Single pieces less than 8 feet long may be used to connect to factory fabricated inside and outside corners, and at ends of runs.

Accessories and other items essential to complete the sheet metal installation shall be provided and shall be of the same materials as the items to which they are applied.

B. Sheet aluminum to be 3004 of the following uses and thicknesses:

ITEM THICKNESS, IN.

Gravel Guard .032 Drip Edge .032 Fascia .032 Flashing .032 Roof penetration boxes .040 Expansion Joint Covers .040 Gutters .040 Downspouts .040 Miscellaneous Sheet Metal .032

2.02 SHEET METAL

A. Copper shall meet ASTM B 370 cold rolled 20.24 oz/sq ft natural finish. Use for thru-wall flashing.

B. Lead flashing shall be waterproofing 5 lb/sq ft sheet lead. Use at plumbing vent stacks in built-up or shingle roofs.

C. Stainless steel shall meet ASTM A 167, Type 304, soft temper, 26 gage, smooth patterned 40 finish.

Use in exposed miscellaneous location.

2.03 MEMBRANE FLASHING

A. Wall interior base, sill and lintel flashing shall be equal to Advanced Building products (5oz/sq. ft.)

copper fabric flashing. Provide pre-fabricated 5oz/sf Cop-R-End Dams at openings in masonry walls.

2.04 ACCESSORIES

A. Refer to Section 07900 - Caulking and sealants for caulking.

B. Solder shall comply with Federal Specification G-S-571.

C. Roofing Cement - ASTM D2822, Asphaltic.

D. Fasteners shall be Stainless steel unless otherwise indicated.

E. Provide a primer compatible with the finish paint specified in Section 09900.

F. Protective backing paint shall be Bituminous.

G. Plumbing vent flashing shall be preformed elastomeric boots with stainless steel fasteners compatible with metal roof systems.

07 60 00_3-4

2.05 FINISH

A. Finish all exposed to view aluminum flashings, fascia, drip edge and counter flashing with pre-painted finish. Finish shall be a 0.8 mil polyvinylidene fluoride (PVF2) Kynar-500 70% resin finish coat applied over a 0.3 mil baked-on epoxy base primer to a total minimum film thickness of 1.0 mil. Color to be selected from manufacturer's standard colors. Manufacturer shall have a ten color minimum color choice.

B. Back paint concealed metal surfaces with protective backing paint to a minimum dry film thickness of 15 mil (38 um).

C. All aluminum flashing shall be a clear anodized finish.

PART 3 - EXECUTION

3.01 FABRICATION

A. Sheet metal items shall be fabricated to inch thickness or weight shown and multiple lengths of items shall be joined together as recommended.

B. Except as specified otherwise herein, forming of sheet metal shall be in accordance with the printed instructions of the manufacturer of the material used, and with the standard details for the best workmanship.

C. Nails shall have large flat heads and sharp points.

D. Sheet metal work shall be installed with lines, arises, and angles sharp and true. Exposed surfaces shall be free from visible wave, warp and buckle, and tool marks. Exposed edges shall be folded back neatly to form a ½" hem on the concealed side.

E. Sheet metal exposed to the weather shall be watertight with provisions for expansion and contraction.

F. Seams shall be straight & uniform in width & height. Solder shall not show on face.

G. Flat-lock seams shall finish not less than ¾” inch wide.

H. Lap seams, when soldered, shall finish not less than one inch wide. Lap seams, not soldered, shall overlap not less than 3 inches.

I. Loose-lock expansion seams shall be not less than 3 inches wide and shall provide not less than one inch movement within the joint. Joint shall be completely filled with the specified sealant applied at not less than 1/8 inch thick bed.

3.03 INSTALLATION

A. Nailing of sheet metal shall be confined generally to sheet metal having a width of less than 18 inches. Nailing of flashing shall be confined to one edge only. Nails shall be evenly spaced not over 3 inches on centers and approximately ½ inch from edge unless otherwise specified or indicated.

Face nailing will not be permitted.

B. Cleats shall be provided for sheet metal 18 inches and over in width. Cleats shall be evenly spaced not over 12 inches on centers unless otherwise specified or indicated, Unless otherwise specified, cleats shall be not less than 2 inches wide by 3 inches long and shall be of the same material and thickness as the sheet metal being installed. One end of the cleat shall be secured with two nails and the cleat folded back over the nail-heads. The other end shall be locked into the seam. Cleats for

07 60 00_4-4

17March2020 soldered seams shall be permitted. Continuous hold down cleats for gravel guards and other flashing shall be installed where shown.

C. Bolts, rivets and screws shall be installed where indicated or required. Compatible washers shall be provided where required to protect surface of sheet metal and to provide a watertight connection.

D. Aluminum gravel guard shall be installed with continuous hold down cleats in longest practical sections. Provide 3/8" minimum allowance for expansion at butt joints. Provide joint cover.

3.04 INSTALLATION OF THROUGH WALL FLASHING

A. Install through wall flashing at heads of all louvers.

B. Seal all laps of membrane flashing as recommended by manufacturer.

3.05 MISCELLANEOUS FLASHING INSTALLATION

A. Provide flexible flashing and metal counter-flashing where piping and ductwork penetrate weather or waterproof walls, floors and roofs. Use aluminum flashing.

B. For pipes through outside walls, turn flanges back into wall and caulk, metal counter-flash, and seal.

Use stainless steel.

3.06 CLEANING AND PROTECTION

A. Clean exposed metal surfaces, removing substances which might cause corrosion of metal or adversely affect application of paint finish specified in Section 09900 - Painting.

B. Installer shall advise contractor of required procedures for surveillance and protection of flashing and sheet metal during construction, to ensure that work will be without damage or deterioration, other than natural weathering at the time of substantial completion.

07 90 00_1-4

SECTION 07 90 00

CAULKING AND SEALANTS

PART 1 - GENERAL

1.01 DESCRIPTION

A. The work required under this Section consists of all exterior and interior caulking and sealants and related items to complete the work as indicated on the Drawings and described in the Specifications.

B. Related Requirements Specified Elsewhere:

1. Section 01 30 00 - Submittals

2. Section 07 27 00 - Fire-stopping

1.02 SUBMITTALS

A. Submit data in accordance with Section 00 13 00 - Submittals.

B. Submittals on each item of caulking or sealant in this Section shall include, but not be limited to, the following:

1. Technical literature

2. Performance data

3. Spec-Data sheets

4. Manufacturer's installation instructions

5. Samples

6. Color selection charts

C. Purchase no material until selection of color(s).

1.03 QUALITY ASSURANCE

A. Perform work in accordance with sealant manufacturer's requirements for preparation of surfaces and material installation instructions.

B. Perform acoustical sealant application work in accordance with ASTM C 919.

1.04 QUALIFICATIONS

A. Manufacturer shall be Company specializing in manufacturing the Products specified in this section.

B. Applicator shall be Company specializing in performing the work of this section.

1.05 ENVIRONMENTAL REQUIREMENTS

A. Maintain…