ROOFING SPECIFICATIONS FOR 1744 JOHNSON ST.

Transcription

1 30 Greenway, NW Suite 11 Glen Burnie, Maryland tel fax ROOFING SPECIFICATIONS FOR 1744 JOHNSON ST. VERSION 1 _

2 INDEX Page 2 to 3 Roofing Specifications Page 4 Architectural Plans: Third Floor Plan Page 5 Architectural Plans: Rooftop Plan Page 6 Architectural Plans: Section A Page 7 Architectural Plans: Section B Page 8 Architectural Plans: Gable Dormer Sector Plan Page 9 Architectural Plans: Details Page 10 Architectural Plans: Details Appendix Duradek Traffic Membrane Specifications Duradek Ornamental Aluminum Railing Specifications 1 of 10

3 SPECIFICATIONS Shingles and Roof Coverings - Provide and install roof system in accordance with all applicable building codes and manufacturers guidelines. Do not set tiles in mortar when the ambient temperature is less than 4 C (40 F). Do not start installation until other trades requiring traffic on roof have completed their work. Do not start installation until vent pipes and other projections through roofs and flashing materials are in place. Roof slopes are shown in Architectural drawings. In Rooftop and Third Floor Rear Deck: Install waterproof vinyl sheet system (Duradek or similar) over APA rated and code certified CDX plywood panels. Install one layer of moisture barrier 30# felt, overlapped a minimum of 6. In Front Pitched Roof and Gable Dormer Roof: Felt - On all roof surfaces install a minimum 30 # asphalt impregnated rooting felt. For roofs that are steeper than a 6:12 pitch use a single layer of felt. For roofs with less than a 6:12 pitch install a double layer of felt and overlap a minimum of 18. Overlap felt a minimum of 4 vertically and 12 horizontally. Continue felt 6 up all vertical surfaces and 4 over gutter and valley metal. Fasten all edges with large headed galvanized nails on 6 centers. Lay courses parallel with eaves. Do not stretch courses Asphalt Shingles - Provide 25 year Asphalt three tab shingles over one layer of 30# felt. Minimum recommended pitch is a 4:12 slope. Support roof system with joist/rafter system to meet dead and live load requirements as specified by manufacturer. Asphalt shingles shall be: specify manufacturer, style, color, thickness and weight Flashing and Sheet Metal - Install appropriate flashing at all joints of chimneys, dormers, walls, vent pipes and other connection points to prevent the infiltration of water. Flashing shall be assembled of 26 gauge minimum galvanized, corrosion resistant sheet metal. Valleys shall be wrapped with 20 wide galvanized flashing and extend 10 in each direction from center-line of valley. Use 4 wide x 4 high x 10 long galvanized flashing between wall siding and roof surfaces and step flashing between masonry and roof surfaces. Keep flashing concealed except where exposed on vertical surfaces or counter flashing. 2 of 10

4 Roofing Specifications 1744 Johnson St Gutters and Downspouts - Install 5 wide metal gutters and 4 downspouts. Attach every 2-6 on center (OC) with straps and/or fasteners. Metal should be 25 gauge aluminum Caulking and Sealants - Use a 50 year warranty silicon based caulk at high expansion/compression areas, such as around chimneys, tile, ceramic, and around enamel and pre-fabricated tubs and showers. For exterior windows, door frames, interior trim, woodwork and other paintable surfaces use a clear Latex based caulk. Color shall match wood stain or paint. 3 of 10

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12 SECTION TRAFFIC MEMBRANE PART 1 GENERAL 1.1 SECTION INCLUDES A. Traffic membrane, consisting of welded seam PVC waterproofing, over the following surfaces: 1. Balcony decks and roof decks. 2. Walkways, ramps, and stairways. 3. Patios and courtyards. 1.2 RELATED SECTIONS A. Section Sheet Metal Flashing and Trim: Scuppers, counterflashings, and fascias. B. Section Manufactured Roof Specialties: Scuppers, counterflashings, and fascias. C. Section Plumbing Specialties: Roof drains, deck drains. 1.3 REFERENCES A. CAN/ULC-S107 - Standard Methods of Fire Tests of Roof Coverings; National Standard of Canada. B. ASTM E Standard Test Methods for Fire Tests of Roof Coverings. C. CCMC - Technical Guide for PVC Sheet Waterproofing (Exposed to Light Pedestrian Traffic); National Research Council, Canada Construction Materials Centre (CCMC). D. ICC - Acceptance Criteria for Walking Decks; ICC Evaluation Service, Inc. (ICC-ES). E. CAN/CGSB Roofing and Waterproofing Membrane, Sheet Applied, Flexible, Polyvinyl Chloride; Canadian General Standards Board. F. CGSB 37-GP-55M - Application of Sheet Applied Flexible Polyvinyl Chloride Roofing Membrane; Canadian General Standards Board. 1.4 SUBMITTALS A. Submit under provisions of Section B. Product Data: Manufacturer's specifications, including data substantiating compliance with physical properties specified. C. Shop Drawings: Installation and seaming plan, showing joints, termination details, and interface with other materials. D. Samples: Two 8-1/2 by 11 inch (210 by 250 mm) pieces showing finish, pattern, color, and backing; labeled. E. Manufacturer's printed installation instructions and recommendations, including precautions required for seaming and adhering membrane. 1.5 QUALITY ASSURANCE A. Manufacturer Qualifications: Company specializing in providing products of the type specified in this section, with minimum of 25 years documented experience with products in use. B. Installer Qualifications: Trained and currently approved by manufacturer. C. Pre-installation Meeting: Discuss waterproofing practices and precautions applicable to this project. 1. Convene minimum of 7 days prior to start of installation. 2. Require the attendance of:

13 a. Manufacturer's representative. b. Contractor's field superintendent. c. Installation foreman. d. Other trades affected by this work. e. Owner's representative. 1.6 DELIVERY, STORAGE, AND HANDLING A. Deliver products in manufacturer's original containers, dry and undamaged, with seals and labels intact. 1. Label uncured materials, both sheets and canned goods, with date of manufacturer and shelf life. 2. Do not use creased or damaged sheets. 3. Do not use products after end of shelf life. B. Store and handle materials to prevent damage. 1. Place materials on pallets. 2. Prevent creasing of rolled materials. 3. Do not use polyethylene to cover stored materials (canvas tarpaulins are acceptable). 4. Keep containers closed, except when removing materials from them. C. Keep materials at temperature between 40 degrees F (4.4 degrees C) and 80 degrees F (26.6 degrees C); if adhesives are exposed to lower temperature, verify useability with manufacturer before using. 1.7 WARRANTY A. Provide membrane manufacturer's 10 year warranty. PART 2 PRODUCTS 2.1 MANUFACTURERS A. Manufacturer: Provide products of Duradek (US) Inc., 1722 Iron Street, North Kansas City, MO ASD. Tel: (816) Fax: (816) B. Manufacturer: Provide products of Duradek (Canada) Limited, th Street, Surrey, BC V3W 0A6 Canada. ASD. Tel: (604) Fax: (604) C. Requests for substitution will be considered in accordance with provisions of Section D. Substitutions: Not permitted. 2.2 MATERIALS A. Traffic Membrane: Duradek Ultra; polyester reinforced PVC membrane with ultra-violet resistance, for fully-adhered installation with heat-welded seams and perimeter attachment. 1. Sheet Width: 54 inches ( mm). 2. Overall Sheet Thickness: inch (1.5 mm). 3. PVC Film Thickness: inch (1.3 mm). 4. Weight: 50 oz/sq yd (1695 g/sq m). 5. Color: Ultra Classic Sandstone. 6. Color: Ultra Classic Steel. 7. Color: As selected by Architect. 8. Coefficient of Friction (Plume Texture): a. Dry leather: b. Dry rubber: c. Wet leather:

14 d. Wet rubber: Color: Ultra Supreme Granite. 10. Color: Ultra Supreme Taupe. 11. Color: As selected by Architect. 12. Coefficient of Friction (Endura Texture): a. Dry leather: b. Dry rubber: c. Wet leather: d. Wet rubber: Color: Ultra Reflections Moonscape 14. Color: Ultra Reflections Seascape 15. Color: Ultra Reflections Sandscape 16. Color: Ultra Supreme Adobe 17. Color: Ultra Supreme Jade 18. Color: Ultra Marble Mocha. 19. Color: Ultra Marble Sage. 20. Color: Ultra Marble Pewter. 21. Color: Ultra Surcoseal Grey. 22. Color: Ultra Surcoseal Beige. 23. Color: Ultra Surcoseal Suede. 24. Color: Ultra Surcoseal Natural. 25. Color: Ultra Surcoseal Greige. 26. Color: As selected by Architect. 27. Coefficient of Friction (Messina Texture): a. Dry leather: b. Dry rubber: c. Wet leather: d. Wet rubber: Flammability (ASTM E 108): Class A, when installed over non-combustible substrate. 29. Flammability (ASTM E 108): Class C, when installed over 5/8 exterior grade plywood substrate. 30. Flammability (CAN/ULC-S107): Class A, when installed over non-combustible substrate 31. Flammability (CAN/ULC S107): Class C, when installed over 5/8 exterior grade plywood substrate. 32. Comply with CAN/CGSB National Building Code of Canada Compliance: Comply with National Building Code of Canada 1995, Part 9, Clause (1)(h), and CCMC Technical Guide for PVC Sheet Waterproofing (Exposed to Light Pedestrian Traffic), as evidenced by current Evaluation Report prepared by National Research Council, Canada Construction Materials Centre (CCMC). 34. CMHC Approval: Approved by Canada Mortgage and Housing Corporation for use in construction financed or insured under the National Housing Act. 35. Comply with section 1504 of the 1997 Uniform Building Code (UBC), section 1505 of the 2000 International Building Code (IBC) and section R902 of the International Residential Code (IRC) as a fire retardant roof/walking deck covering, as evidenced by current evaluation report prepared by ICC Evaluation Services (ICC-ES). B. Surface Conditioners, Adhesives, Sealants, Fillers, and Cleaners: As specified or provided by membrane manufacturer. C. Perimeter Fasteners: Mechanical fastening devices furnished by membrane manufacturer; color coordinated to membrane color. D. PVC Coated Metal, Scuppers, Overflow Drains, Roof Drains, and Trims furnished by membrane manufacturer. E. Adjacent Flashings: Specified in other sections; installed by others

15 F. Plywood Substrate: Exterior Grade DFP (SPF Acceptable), SEL TF (SEL Acceptable), B-C Grade, ¾ (5/8 Acceptable, depending on joist spacing), APA Sturd-I-Floor or Canply Easy T&G rated plywood. PART 3 EXECUTION 3.1 EXAMINATION A. Verify that surfaces and site conditions are ready to receive work and conform to membrane manufacturer's requirements. B. Verify that deck is: 1. Secure, well supported, solid, and in accordance with local code structural requirements. 2. Clean and smooth, free of depressions, waves, and projections, properly sloped to drains, valleys, or eaves. 3. Dry and free of ice and snow. C. Verify that adjacent precast deck members are flush within 1/4 inch (6 mm) vertical variation, with grout keys filled flush. D. Notify the Architect of any conditions that would prevent satisfactory completion of the work. Do not proceed until unsatisfactory conditions are corrected. 3.2 PREPARATION A. Do not proceed with installation until substrate preparation is complete. B. Coordinate timing of installation to avoid construction traffic over completed traffic membrane surfaces. C. Wood Deck: Fill joints, knot holes, voids, and low areas with filler and sand smooth. D. Wood Deck: Cover with cementitious board meeting requirements of Class A approved application. Fill joints, voids, and low areas with filler and sand smooth. E. Concrete Deck: Fill surface imperfections and variations with leveling compound. Test for and remove surface contaminants. F. Coordinate installation with installation of drains and similar accessories. 3.3 INSTALLATION A. Install in accordance with manufacturer's instructions, applicable codes, and CGSB-37-GP-55M. B. Do not install when temperature is below 25 degrees F (minus 3.8 degrees C) or above 98 degrees F (36.6 degrees C). Do not install when winds are gusting over 30 mph (48.3 kph). C. Do not dilute primers, adhesives, coatings, or sealants. D. Install membrane with minimum number of seams possible. Overlap seams 3/4 inch (19 mm), to shed water; heat-weld all seams. E. Adhere membrane to substrate. F. Mechanically fasten all perimeter edges and penetrations. G. Install flashings and accessories. Seal around all penetrations, drains, and edges. 3.4 ADJUSTING AND CLEANING A. Clean soiled areas in accordance with manufacturer's recommendations. B. Repair damaged areas to match original materials. 3.5 PROTECTION A. Protect finished work from traffic using durable temporary materials. END OF SECTION

16 SECTION ORNAMENTAL ALUMINUM RAILINGS For best results, display hidden notes to specifier. PART 1 GENERAL 1.1 SECTION INCLUDES A. Component type ornamental aluminum handrails, guardrails, and railing systems, including connectors, fasteners, and required accessories. 1.2 PERFORMANCE REQUIREMENTS A. Structural Performance: Engineer, fabricate, and install handrails, guardrails, and railing systems to withstand the structural loading required by applicable codes. 1.3 SUBMITTALS A. Submit under provisions of Section B. Product Data: Manufacturer's specifications and installation instructions for all components of each product type specified. C. Samples: Submit samples for each railing type, profile, and color specified, not less than 6 inches (150 mm) long. D. Shop Drawings: Prepared specifically for this project. 1. Show complete layout; plan views, elevations, connections, details for fabrication and attachment to other elements, and other installation details. 2. Include sealed drawings by the registered engineer responsible for structural design of system. 1.4 QUALITY ASSURANCE A. Manufacturer/Installer Qualifications: Provide handrails, guardrails, and railing systems from one source, produced by a manufacturer and craftsmen having resources to provide consistent quality in appearance and physical properties, without delaying the work. 1.5 DELIVERY, STORAGE, AND HANDLING A. Deliver handrails, guardrails, railing systems, and related components in protective packaging. Inspect materials to ensure that specified products have been received. B. Store components to avoid damage from abrasion and other construction activities. PART 2 PRODUCTS

17 2.1 MANUFACTURERS A. Acceptable Manufacturer: Ensurco Duradek Ltd., 1722 Iron Street, North Kansas City, MO ; ASD. Tel: (816) , Fax: (816) , Tel: (800) , Website: B. Requests for substitutions will be considered in accordance with provisions of Section C. Substitutions: Not permitted. D. Provide all ornamental aluminum handrails, guardrails, and railing systems as approved by manufacturer. 2.2 MANUFACTURED UNITS A. General: Provide products free from surface blemishes where exposed to view in the finished installation. B. Ornamental Aluminum Railing Systems: "Durarail." 1. Design: Component picket system. 2. Design: Component glass system. 3. Design: Welded picket system. 4. Design:. 5. Color: White. 6. Color: Black. 7. Color: Chocolate Brown. 8. Color: Forest Green. 9. Color: Beige. 10. Color: Electric Grey. 11. Color: Sandalwood. 12. Color:. 2.3 COMPONENTS A. General: Provide all aluminum components of same alloy. B. Posts: Aluminum, sizes indicated on approved shop drawings; screw on base plates C. Rails: Aluminum, sizes indicated on approved shop drawings. 1. Top rails continuous over posts. a. Profile: DR2100-R; round top rail b. Profile: DR2100-S; square top rail (square = rounded top, straight sides) c. Profile: DR2100-R d. Profile: DR2100-S; rounded top, straight sides. e. Profile:. 2. Bottom Rail Profiles: Unspliced lengths between posts. a. Profile No. VS-36305A Component Bottom Rail. b. Profile No. VS Welded Bottom Rail c. Profile:. D. Pickets: Aluminum, sizes indicated on approved shop drawings. E. Panels: 1/4 inch (6 mm) tempered glass

18 2.4 ACCESSORIES 1. Clear. 2. tinted. A. Screws: Color matched, stainless steel. B. Screws: Color matched, stainless steel 18.8 C. Anchors and Inserts: As required to support work specified, in accord with approved shop drawings. D. Fittings and Fasteners: Same basic material as parts being joined, unless otherwise indicated. Do not use metals corrosive or incompatible with materials being fastened. 2.5 FABRICATION A. Fabricate handrails and railing systems to comply with manufacturer's printed requirements, project design requirements, details, dimensions, finish and member sizes, including post spacing and anchorage, but not less than the structural requirements to support loading. B. Clearly mark component units for site assembly and installation. C. Use connections that maintain structural capacity of joined members. 2.6 FINISHES A. Powder Coated Finish: Factory electrostatically-applied, color as specified. PART 3 EXECUTION 3.1 EXAMINATION A. Examine system components, substrate, and conditions where railing systems are to be installed. B. Notify Architect in writing of unsatisfactory conditions. Do not proceed with the work until unsatisfactory conditions have been corrected. 3.2 PREPARATION A. Prepare surrounding construction to receive railing system installations to comply with manufacturer's requirements. B. Review and coordinate setting drawings, shop drawings, templates, and instructions for assembly and installation of railing system and related items to be embedded in concrete and masonry. 3.3 INSTALLATION A. Install railing system and related components in strict accordance with manufacturer's printed installation instructions and project shop drawings

19 B. Preassemble railing system, including posts, pickets, and panels where shown, in easy to lift sections whenever possible. 1. Align rails so that variations from level for horizontal members, and from parallel with rake of steps and ramps for sloping members, do not exceed 1/4 inch in 12 feet (6 mm in 3.65 m). 2. Separate aluminum from building materials where electrolytic action may occur by means of asphaltic paint or other approved method. C. Adjust, level, and securely install railing system components. D. Provide for thermal expansion and contraction by use of expansion joints or gaps in rails. Strictly adhere to manufacturer's instructions for locations of expansion joints and fastening of expansion sleeves. E. Install bottom rails in unspliced lengths between posts. F. Install posts of continuous sections from mounting base to top rail. 3.4 CLEANING A. Immediately upon completion of installation, clean all railing system surfaces using clean water and mild soap or detergent. B. Do not use abrasive agent or harsh chemicals. END OF SECTION