ࡱ> _ bjbjzyzy ;6b6bVVVVVjjj8\je<h(" " " V!V!V!;;;;;;;$=@ <V"V!V!"" <VV" " 4<,,,"rV" V" ;,";,,7_H:" 1^$x8";5<0e<8yB$yBDH:yBVH:V!L!6,!,"V!V!V! < <(V!V!V!e<""""yBV!V!V!V!V!V!V!V!V!B : SECTION 07 54 19 POLYVINYL-CHLORIDE (PVC) MEMBRANE ROOFING - ADHERED GENERAL RELATED DOCUMENTS Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division01 Specification Sections, apply to this Section. SUMMARY Section Includes: Adhered polyvinyl-chloride (PVC) single-ply membrane roofing system. Roof insulation. Walkway pads. Related Sections include the following: Division06 Section "Miscellaneous Carpentry" for wood nailers, curbs, and blocking. Division07 Section "Sheet Metal Flashing and Trim" for metal roof penetration flashings, flashings, and counterflashings. Division07 Section "Joint Sealants" for joint sealants, joint fillers, and joint preparation. DEFINITIONS PVC: Polyvinyl Chloride. Roofing Terminology: See ASTMD1079 and glossary in NRCA's "The NRCA Roofing and Waterproofing Manual" for definition of terms related to roofing work in this Section. PERFORMANCE REQUIREMENTS General Performance: Installed membrane roofing and base flashings shall withstand specified uplift pressures, thermally induced movement, and exposure to weather without failure due to defective manufacture, fabrication, installation, or other defects in construction. Membrane roofing and base flashings shall remain watertight. Material Compatibility: Provide roofing materials that are compatible with one another under conditions of service and application required, as demonstrated by membrane roofing manufacturer based on testing and field experience. FM Approvals Listing: Provide membrane roofing, base flashings, and component materials that comply with requirements in FM Approvals4450 and FM Approvals4470 as part of a membrane roofing system, and that are listed in FM Approvals' "RoofNav" for Class1 or noncombustible construction, as applicable. Identify materials with FM Approvals markings. Fire/Windstorm Classification: Class1A-90. Hail Resistance: SH. Energy Performance: Provide roofing system with initial Solar Reflectance Index not less than 78 when calculated according to ASTME1980, based on testing identical products by a qualified testing agency. SUBMITTALS Product Data: For each type of product indicated. Include data substantiating that materials comply with requirements. Shop Drawings: For roofing system. Include plans, elevations, sections, details, and attachments to other work. Base flashings and membrane terminations. Include complete flashing detail for each flashing condition. Indicate flashing detail locations on roof plan. Indicate complete installation details of roofing and flashing, including roof slopes, flashing details, penetration details and accessories. Furnish only Project-specific details; manufacturer's standard pre-printed details will not be acceptable Shop Drawings. Insulation fastening patterns for corner, perimeter, and field-of-roof locations necessary to satisfy windstorm classification rating specified. Tapered insulation, including slopes, and dimensions of crickets and drain sumps. Wind Uplift Resistance Submittal: For roofing system, indicating compliance with wind uplift performance requirements. Samples for Verification: For the following products: Sheet roofing, of color specified, including T-shaped side and end lap seam. Roof insulation. Walkway pads. Metal termination bars. Six insulation fasteners of each type, length, and finish. Installer Certificates: Signed by roofing system manufacturer certifying that Installer is approved, authorized, or licensed by manufacturer to install specified roofing system. Manufacturer Certificates: Signed by roofing manufacturer certifying that roofing system complies with requirements specified in "Performance Requirements" Article. Provide product specific letter from membrane manufacturer, detailing system assembly approved for specified warranty. Include fastening patterns and wind zone widths for patterns to allow confirmation of submitted shop drawings and product data. Product Test Reports: Based on evaluation of comprehensive tests performed by manufacturer and witnessed by a qualified testing agency, for components of membrane roofing system. Field quality-control reports. Warranty: Sample copy of roofing manufacturer's special warranty stating obligations, remedies, limitations, and exclusions of warranty. Inspection Report: Copy of roofing system manufacturer's inspection report of completed roofing installation. Maintenance Data: For roofing system to include in the maintenance manuals. Warranty: Copy of executed warranty stating obligations, remedies, limitations, and exclusions of warranty. QUALITY ASSURANCE Installer Qualifications: A qualified firm that is approved, authorized, or licensed by membrane roofing system manufacturer to install manufacturer's product and that is eligible to receive manufacturer's special warranty. Provide documentation that installer is approved applicator for a minimum of three specified roof system manufacturers and approved to install manufacturers 20 year NDL guaranteed roof systems for a minimum of 5 years prior to bid date. Source Limitations: Obtain components including adhesives, roof insulation, and fasteners for membrane roofing system from same manufacturer as membrane roofing or approved by membrane roofing manufacturer. Exterior Fire-Test Exposure: ASTME108, ClassA; for application and roof slopes indicated, as determined by testing identical membrane roofing materials by a qualified testing agency. Materials shall be identified with appropriate markings of applicable testing agency. Fire-Resistance Ratings: Where indicated, provide fire-resistance-rated roof assemblies identical to those of assemblies tested for fire resistance per ASTME119 by a qualified testing agency. Identify products with appropriate markings of applicable testing agency. Preliminary Roofing Conference: Before starting roof deck construction, conduct conference at Project site. Meet with the same participants and review the same items listed for the pre-installation conference. In addition, review status of submittals and coordination of work related to roof construction. Notify participants at least 5 working days before conference. Preinstallation Roofing Conference: Conduct conference at Project site. Meet with Owner, Architect, Owner's insurer if applicable, testing and inspecting agency representative, roofing Installer, roofing system manufacturer's representative, deck Installer, and installers whose work interfaces with or affects roofing, including installers of roof accessories and roof-mounted equipment. Review methods and procedures related to roofing installation, including manufacturer's written instructions. Review and finalize construction schedule and verify availability of materials, Installer's personnel, equipment, and facilities needed to make progress and avoid delays. Examine deck substrate conditions and finishes for compliance with requirements, including flatness and fastening. Review structural loading limitations of roof deck during and after roofing. Review base flashings, special roofing details, roof drainage, roof penetrations, equipment curbs, and condition of other construction that will affect roofing system. Review governing regulations and requirements for insurance and certificates, and inspection and testing, if applicable. Review temporary protection requirements for roofing system during and after installation. Review roof observation and repair procedures after roofing installation. Document proceedings, including corrective measures or actions required, and furnish copy of record to each participant. DELIVERY, STORAGE, AND HANDLING Deliver roofing materials to Project site in original containers with seals unbroken and labeled with manufacturer's name, product brand name and type, date of manufacture, approval or listing agency markings, and directions for storing and mixing with other components. Store liquid materials in their original undamaged containers in a clean, dry, protected location and within the temperature range required by roofing system manufacturer. Protect stored liquid material from direct sunlight. Discard and legally dispose of liquid material that cannot be applied within its stated shelf life. Protect roof insulation materials from physical damage and from deterioration by sunlight, moisture, soiling, and other sources. Store in a dry location. Comply with insulation manufacturer's written instructions for handling, storing, and protecting during installation. Handle and store roofing materials and place equipment in a manner to avoid permanent deflection of deck. PROJECT CONDITIONS Weather Limitations: Proceed with installation only when existing and forecasted weather conditions permit roofing system to be installed according to manufacturer's written instructions and warranty requirements. Emergency Equipment: Maintain on-site equipment necessary to apply emergency temporary edge seal in the event of sudden storms or inclement weather. Coordinate between various trades to avoid unnecessary rooftop traffic over sections of the roof and to prevent damage to the membrane. Heavily traveled areas shall be protected by placing temporary protection courses to prevent damage to the membrane. WARRANTY General Warranty: The warranties specified in this Article shall not deprive the Owner of other rights the Owner may have under other provisions of the Contract Documents and shall be in addition to, and run concurrent with, other warranties made by the Subcontractor under requirements of the Contract Documents. Quotations shall include a price for a Twenty (20) Year NO DOLLAR LIMIT, non prorated, total-system warranty covering both labor and material, to be provided by the roofing system manufacturer. If the manufacturer is a subsidiary company, the warranty must be issued by the parent company. The roofing system manufacturer will issue the warranty to the owner upon material supplier acceptance of the project completion and full payment of all bills related to the project. Warranty shall cover wind speeds up to but not including hurricane force. Warranty shall cover all roof related components installed under this specification. Warranty will include two site visits; one in the first year and one in the second year. Site visits shall include the following: REMOVE DATABASE SOFTWARE IF NOT REQUIRED Database Software: Inspection information and records of all work performed on the roof areas throughout the term of the service will be provided to the Owner in a database program on CD. The database will be updated and revised after each site visit with inspection information and records of work performed during the site visits. A new CD will be delivered to the owner after each update. Database software shall provide multiple report formats including but not limited to: warranty status reports, expense summary, budget summary, roof condition report, facility condition report, etc. All information gathered will be the property of the Owner. Upon request, an editable version of the data must be available for purchase by the Owner. Information contained in the database must include, but is not limited to: general construction information, installation year, warranty tracking, warranty compliance program, work history, digital photographs of conditions and details, CAD drawing of facility roof plan, moisture survey results, etc. Database must have multiple navigation options including but not limited to: navigational tree listing all facilities that allows the user to expand the facility list to view all roof areas, and a miniature diagram of the facility roof plan which allows the user to click on the designated roof area to view the details about that roof. Software provided must be a database that allows multiple search and sort capabilities. PowerPoint, Word, Excel, HTML and similar report formats will not be accepted. Roof Inspections: Visual inspection of the roof membrane and roof surface Inspection of all rooftop equipment and penetrations to identify potential sources of water entry including, but not limited to, the metal edge system, base flashings on equipment and adjoining walls, counterflashing and termination details, soil stacks and vents, pitch pans, skylights and access hatches, gutters, scuppers and drains. Advise owner of missing drain dome strainers, cracked drain rings or bowls, and missing clamps or bolts. Replacement of these items will be at owners cost. General Rooftop Housekeeping: Removal of all naturally occurring debris (i.e., leaves, branches, paper and similar items) from the roof membrane. Service will include removal of surface debris from the roof drains, gutters, and scuppers, but not clogged pipes or plumbing. All debris will be disposed of at the owners approved site location. Routine Maintenance: Sealant voids in termination bars, counterflashings and parapet caps will be cleaned and resealed as required. Exposed fasteners will be resealed on perimeter metal details where required. Refill and top off pitch pans. Check and reseal metal projections (hoods and clamps). Inspect and seal soil stack leads cuts or holes and temporarily reseal when required with appropriate materials until arrangements can be made for permanent repair. Preventive Maintenance: Repair tears, splits and breaks in the perimeter and internal membrane flashing systems and flashing strip-ins. Repair tears, splits and breaks in the membrane with appropriate repair mastic and membrane. Re-secure loose metal coping caps, termination bars, counterflashings and metal edge systems where required with appropriate fasteners. Dress-up reflective coatings where mastic repairs have been made. Tighten and reseal exposed fasteners on roof top equipment. Check and re-secure drain bolts and clamping rings. Check strip-in around drain leads, coat with approved mastics if required. Reattach loose gutter straps, seal open gutter joints, and repair gutter strip-ins where required Check scupper boxes for open solder or caulking and seal with appropriate materials if required. Contractor agrees to inspect and make necessary repairs to defects or leaks in the roof system and flashings. Emergency leaks will be attended to within six (6) hours from receipt of notice from the Owner. As soon as weather permits, Subcontractor will restore affected areas to standards of this Contract without voiding the Manufacturer guaranty, and repair damages from these leaks without cost to the Owner, except for leaks caused by abuse to roof by others or by abnormal weather conditions such as lightning, severe hail, or other unusual climatic phenomena. This guarantee shall be submitted to the Owner, in writing, before final payment is released for the Project. If, six (6) hours after notification of roof leak Subcontractor has not responded, Owner shall have the right, without invalidating his guarantee and at the expense of the Subcontractor, to make any emergency temporary repairs that are required in order to protect the building and its contents from damage due to roof leak. PRODUCTS MANUFACTURERS Basis of Design Manufacturers: Subject to compliance with requirements, provide products indicated or comparable products approved in writing by Architect by one of the following: PVC Membrane Roofing: Fibertite Sika Sarnafil Inc. Carlisle-Syntec. Polyisocyanurate Board Insulation: Dyplast Products, LLC. Atlas Roofing Corporation. Firestone Building Products Co. Johns Manville Roofing Systems. Sika Sarnafil Inc. Other manufacturer approved in writing by roofing system manufacturer as being compatible with and approved for use with specified roofing system. PVC MEMBRANE ROOFING PVC Sheet Membrane: ASTMD4434, TypeII, GradeI, glass fiber reinforced. Basis of Design Product: Sika SarnafilG410. Thickness: 80mils. Exposed Face Color: Manufacturers standard white. AUXILIARY MATERIALS General: Auxiliary membrane roofing materials recommended by roofing system manufacturer for intended use, and compatible with membrane roofing. Liquid-type auxiliary materials shall comply with VOC limits of authorities having jurisdiction. Sheet Flashing: Manufacturer's standard heat-weldable, asphalt-resistant sheet flashing of same material, type, reinforcement, thickness, and color as PVC sheet membrane. Basis of Design Product: Sika Sarnafil; G459 Flashing Membrane. Bonding Adhesive: Manufacturer's standard. Metal Termination Bars: Manufacturer's standard, predrilled stainless-steel or aluminum bars, approximately 1 by 1/8 inch (25 by 3 mm) thick; with anchors. Fasteners: Factory-coated steel fasteners and metal or plastic plates complying with corrosion-resistance provisions in FM Approvals4470, designed for fastening membrane to substrate, and acceptable to membrane roofing system manufacturer. Miscellaneous Accessories: Provide pourable sealers, preformed cone and vent sheet flashings, preformed inside and outside corner sheet flashings, T-joint covers, lap sealants, termination reglets, and other accessories. SUBSTRATE BOARDS Substrate Board: ASTMC1177/C1177M, glass-mat, water-resistant gypsum substrate, TypeX, 5/8 inch (16 mm) thick. Basis of Design Product: Georgia-Pacific Corporation; Dens Deck Prime. Fasteners: Factory-coated steel fasteners and metal or plastic plates complying with corrosion-resistance provisions in FM Approvals4470, designed for fastening substrate board to roof deck. ROOF INSULATION General: Preformed roof insulation boards manufacturedor approved by PVC membrane roofing manufacturer, selected from manufacturer's standard sizes suitable for application, of thicknesses indicated. Polyisocyanurate Board Insulation: ASTMC1289, TypeII, Class1, Grade2 or Grade3, felt or glass-fiber mat facer on both major surfaces. Tapered Insulation: Provide factory-tapered insulation boards fabricated to slope necessary to achieve finished roof slope of 1/4 inch per 12 inches (1:48), unless otherwise indicated. Fabricate to slopes indicated, and of same material as primary insulation. Provide preformed saddles, crickets, tapered edge strips, and other insulation shapes where indicated for sloping to drain. Fabricate to slopes 1/2 inch per foot slope, or a minim slope equal to twice substrate slope where it is greater than 1/4 inch per foot. indicated. INSULATION ACCESSORIES General: Furnish roof insulation accessories recommended by insulation manufacturer for intended use and compatibility with membrane roofing. Fasteners: Factory-coated steel fasteners and metal or plastic plates complying with corrosion-resistance provisions in FM Approvals4470, designed for fastening roof insulation to substrate, and acceptable to roofing system manufacturer. Modified Asphaltic Insulation Adhesive: Insulation manufacturer's recommended modified asphalt, asbestos-free, cold-applied adhesive formulated to attach roof insulation to substrate or to another insulation layer. Bead-Applied Insulation Adhesive: Insulation manufacturer's recommended bead-applied, low-rise, one- or multicomponent urethane adhesive formulated to attach roof insulation to substrate or to another insulation layer. Full-Spread Applied Insulation Adhesive: Insulation manufacturer's recommended spray-applied, low-rise, two-component urethane adhesive formulated to attach roof insulation to substrate or to another insulation layer. COVER BOARD Cover Board: ASTMC1177/C1177M, glass-mat, water-resistant gypsum substrate, 1/4inch (6mm) thick. Basis of Design Product: Georgia-Pacific Corporation; Dens Deck Prime. Other manufacturer approved in writing by roofing system manufacturer as being compatible with and approved for use with specified roofing system. Low Rise Foam Adhesive: Manufacturer's standard adhesive formulated to adhere glass-mat, water-resistant gypsum cover board to roof insulation, for optimum adhesion as required for overall roof assembly to comply with specified design wind uplift rating. WALKWAYS Flexible Walkways: Factory-formed, nonporous, heavy-duty, slip-resisting, surface-textured walkway pads, approximately 3/16inch (5mm) thick, and acceptable to membrane roofing system manufacturer. EXECUTION EXAMINATION Examine substrates, areas, and conditions, with Installer present, for compliance with the following requirements and other conditions affecting performance of roofing system: Verify that roof openings and penetrations are in place and curbs are set and braced and that roof drain bodies are securely clamped in place. Verify that wood blocking, curbs, and nailers are securely anchored to roof deck at penetrations and terminations and that nailers match thicknesses of insulation. Verify that surface plane flatness and fastening of steel roof deck complies with requirements in Division05 Section "Steel Decking." Verify that deck is securely fastened with no projecting fasteners and with no adjacent units in excess of 1/16 inch (1.6 mm) out of plane relative to adjoining deck. Verify that deck slopes match those specified in Drawings and will provide positive roof drainage where tapered insulation will not be installed. Proceed with installation only after unsatisfactory conditions have been corrected. PREPARATION Clean substrate of dust, debris, moisture, and other substances detrimental to roofing installation according to roofing system manufacturer's written instructions. Remove sharp projections. Verify roof drains are set at proper elevation, to match thickness of insulation, coverboard, and roofing at drains. Notify A/E prior to commencing with roofing if drain elevations are improper. Maintain roof drains in functioning condition to ensure roof drainage at end of each workday. Prevent materials from entering and clogging roof drains and conductors and from spilling or migrating onto surfaces of other construction. Remove roof-drain plugs when no work is taking place or when rain is forecast. If roof drains will be temporarily blocked or unserviceable due to partial installation of new membrane roofing system, provide alternative drainage method to remove water and eliminate ponding. Do not permit water to enter into or under membrane roofing system components. Complete terminations and base flashings and provide temporary seals to prevent water from entering completed sections of roofing system at the end of the workday or when rain is forecast. Remove and discard temporary seals before beginning work on adjoining roofing. ROOF ASSEMBLIES Roof Assembly over Metal Roof Deck Properly installed metal roof deck. Mechanically-attached 5/8-inch substrate (thermal barrier) board. Self-adhering vapor retarder underlayment. Mechanically-attached roof insulation (first layer), thickness as indicated. Adhesively-attached roof insulation, (subsequent layers), thickness as indicated. Adhesively-attached tapered roof insulation, slope as indicated. Adhesively-attached 1/2-inch cover board. Adhesively-attached PVC membrane. Roof Assembly over Concrete Roof Deck: Properly cured and prepared concrete deck. Self-adhering vapor retarder underlayment. Adhesively-attached roof insulation, thickness as indicated. Adhesively-attached tapered roof insulation, slope as indicated. Adhesively-attached 1/4-inch cover board. Adhesively-attached PVC membrane. SUBSTRATE BOARD Install substrate board with long joints in continuous straight lines, perpendicular to roof slopes with end joints staggered between rows. Tightly butt substrate boards together. Fasten substrate board to top flanges of steel deck to resist uplift pressure at corners, perimeter, and field of roof according to membrane roofing system manufacturers' written instructions. Completely seal vapor retarder at terminations, obstructions, and penetrations to prevent air movement into membrane roofing system. INSULATION INSTALLATION Coordinate installing membrane roofing system components so insulation is not exposed to precipitation or left exposed at the end of the workday. Comply with membrane roofing system and insulation manufacturer's written instructions for installing roof insulation. Install tapered insulation under area of roofing to conform to slopes indicated. Install insulation under area of roofing to achieve required thickness. Where overall insulation thickness is 2.7 inches (68 mm) or greater, install two or more layers with joints of each succeeding layer staggered from joints of previous layer a minimum of 12 inches in each direction. Trim surface of insulation where necessary at roof drains so completed surface is flush and does not restrict flow of water. Install insulation with long joints of insulation in a continuous straight line with end joints staggered between rows, abutting edges and ends between boards. Fill gaps exceeding 1/4 inch (6 mm) with insulation. Cut and fit insulation within 1/4 inch (6 mm) of nailers, projections, and penetrations. Adhered Insulation: Install each layer of insulation and adhere to substrate as follows: Set each layer of insulation in ribbons of bead-applied insulation adhesive, firmly pressing and maintaining insulation in place. Set each layer of insulation in a uniform coverage of full-spread insulation adhesive, firmly pressing and maintaining insulation in place. Mechanically Fastened Insulation: Install each layer of insulation and secure to deck using mechanical fasteners specifically designed and sized for fastening specified board-type roof insulation to deck type. Fasten insulation according to requirements in FM Approvals' "RoofNav" for specified Windstorm Resistance Classification. Fasten insulation to resist uplift pressure at corners, perimeter, and field of roof. Mechanically Fastened and Adhered Insulation: Install each layer of insulation and secure first layer of insulation to deck using mechanical fasteners specifically designed and sized for fastening specified board-type roof insulation to deck type. Fasten first layer of insulation according to requirements in FM Approvals' "RoofNav" for specified Windstorm Resistance Classification. Fasten first layer of insulation to resist uplift pressure at corners, perimeter, and field of roof. Set each subsequent layer of insulation in ribbons of bead-applied insulation adhesive, firmly pressing and maintaining insulation in place. Set each subsequent layer of insulation in a uniform coverage of full-spread insulation adhesive, firmly pressing and maintaining insulation in place. Install cover boards over insulation with long joints in continuous straight lines with end joints staggered between rows. Offset joints of insulation below a minimum of 6 inches (150 mm) in each direction. Loosely butt cover boards togetherand adhere to roof deck in a uniform coverage of full-spread of adhesive, firmly pressing and maintaining boards in place. Adhere cover boards to resist uplift pressure at corners, perimeter, and field of roof. ADHERED MEMBRANE ROOFING INSTALLATION Adhere membrane roofing over area to receive roofing and install according to membrane roofing system manufacturer's written instructions. Install sheet according to ASTMD5036. Start installation of membrane roofing in presence of membrane roofing system manufacturer's technical personnel. Accurately align membrane roofing and maintain uniform side and end laps of minimum dimensions required by manufacturer. Stagger end laps. Bonding Adhesive: Apply to substrate and underside of membrane roofing at rate required by manufacturer and allow to partially dry before installing membrane roofing. Do not apply to splice area of membrane roofing. In addition to adhering, mechanically fasten membrane roofing securely at terminations, penetrations, and perimeter of roofing. Apply membrane roofing with side laps shingled with slope of roof deck where possible. Seams: Clean seam areas, overlap membrane roofing, and hot-air weld side and end laps of membrane roofing and sheet flashings according to manufacturer's written instructions to ensure a watertight seam installation. Test lap edges with probe to verify seam weld continuity. Apply lap sealant to seal cut edges of sheet membrane. Verify field strength of seams a minimum of twice daily and repair seam sample areas. Repair tears, voids, and lapped seams in roofing that does not comply with requirements. Spread sealant bed over deck drain flange at roof drains and securely seal membrane roofing in place with clamping ring. BASE FLASHING INSTALLATION Install sheet flashings and preformed flashing accessories and adhere to substrates according to membrane roofing system manufacturer's written instructions. Apply bonding adhesive to substrate and underside of sheet flashing at required rate and allow to partially dry. Do not apply to seam area of flashing. Flash penetrations and field-formed inside and outside corners with cured or uncured sheet flashing. Flash penetrations passing through membrane. Use factory prefabricated pipe seals where installation is possible. When prefabricated pipe seals cannot be used, field fabricate pipe seals. Clean seam areas, overlap, and firmly roll sheet flashings into the adhesive. Hot-air weld side and end laps to ensure a watertight seam installation. Take measures to ensure flashing is not ridging where there is change of direction. Terminate and seal top of sheet flashingsand mechanically anchor to substrate through termination bars. WALKWAY INSTALLATION Flexible Walkways: Install walkway products in locations indicated. Provide maximum size 3-0 x 3-0 with minimum gap between sections with all sides of each pad heat welded to roof membrane. FIELD QUALITY CONTROL Testing Agency: Engage a qualified testing agency to perform tests and inspections. Final Roof Inspection: Arrange for roofing system manufacturer's technical personnel to inspect roofing installation on completion. Notify Architect and Owner 48 hours in advance of the date and time of inspection. Repair or remove and replace components of membrane roofing system where inspections indicate that they do not comply with specified requirements. Additional inspections, at Contractor's expense, will be performed to determine compliance of replaced or additional work with specified requirements. PROTECTING AND CLEANING Protect membrane roofing system from damage and wear during remainder of construction period. When remaining construction will not affect or endanger roofing, inspect roofing for deterioration and damage, describing its nature and extent in a written report, with copies to Architect and Owner. Correct deficiencies in or remove membrane roofing system that does not comply with requirements; repair substrates; and repair or reinstall membrane roofing system to a condition free of damage and deterioration at time of Substantial Completion and according to warranty requirements. Clean overspray and spillage from adjacent construction using cleaning agents and procedures recommended by manufacturer of affected construction. ROOFING INSTALLER'S WARRANTY WHEREAS _______________ of ______________, herein called the "Roofing Installer," has performed roofing and associated work ("work") on the following project: Owner: Address: Building Name/Type: Address: Area of Work: Acceptance Date: Warranty Period: Expiration Date: AND WHEREAS Roofing Installer has contracted (either directly with Owner or indirectly as a subcontractor) to warrant said work against leaks and faulty or defective materials and workmanship for designated Warranty Period, NOW THEREFORE Roofing Installer hereby warrants, subject to terms and conditions herein set forth, that during Warranty Period he will, at his own cost and expense, make or cause to be made such repairs to or replacements of said work as are necessary to correct faulty and defective work and as are necessary to maintain said work in a watertight condition. This Warranty is made subject to the following terms and conditions: Specifically excluded from this Warranty are damages to work and other parts of the building, and to building contents, caused by: lightning; peak gust wind speed exceeding < Insert mph (m/s)>; fire; failure of roofing system substrate, including cracking, settlement, excessive deflection, deterioration, and decomposition; faulty construction of parapet walls, copings, chimneys, skylights, vents, equipment supports, and other edge conditions and penetrations of the work; vapor condensation on bottom of roofing; and activity on roofing by others, including construction contractors, maintenance personnel, other persons, and animals, whether authorized or unauthorized by Owner. When work has been damaged by any of foregoing causes, Warranty shall be null and void until such damage has been repaired by Roofing Installer and until cost and expense thereof have been paid by Owner or by another responsible party so designated. Roofing Installer is responsible for damage to work covered by this Warranty but is not liable for consequential damages to building or building contents resulting from leaks or faults or defects of work. During Warranty Period, if Owner allows alteration of work by anyone other than Roofing Installer, including cutting, patching, and maintenance in connection with penetrations, attachment of other work, and positioning of anything on roof, this Warranty shall become null and void on date of said alterations, but only to the extent said alterations affect work covered by this Warranty. If Owner engages Roofing Installer to perform said alterations, Warranty shall not become null and void unless Roofing Installer, before starting said work, shall have notified Owner in writing, showing reasonable cause for claim, that said alterations would likely damage or deteriorate work, thereby reasonably justifying a limitation or termination of this Warranty. During Warranty Period, if original use of roof is changed and it becomes used for, but was not originally specified for, a promenade, work deck, spray-cooled surface, flooded basin, or other use or service more severe than originally specified, this Warranty shall become null and void on date of said change, but only to the extent said change affects work covered by this Warranty. Owner shall promptly notify Roofing Installer of observed, known, or suspected leaks, defects, or deterioration and shall afford reasonable opportunity for Roofing Installer to inspect work and to examine evidence of such leaks, defects, or deterioration. This Warranty is recognized to be the only warranty of Roofing Installer on said work and shall not operate to restrict or cut off Owner from other remedies and resources lawfully available to Owner in cases of roofing failure. Specifically, this Warranty shall not operate to relieve Roofing Installer of responsibility for performance of original work according to requirements of the Contract Documents, regardless of whether Contract was a contract directly with Owner or a subcontract with Owner's General Contractor. IN WITNESS THEREOF, this instrument has been duly executed this _____day of ______________, _______. Authorized Signature: Name: Title: END OF SECTION 07 54 19 FOR MDACC USE ONLY. DELETE THIS PAGE BEFORE ISSUING DOCUMENTS. document revision history IssueDateRevision DescriptionAuthor20190301Original IssuanceRev. 1.Rev. 2Rev. 3 Rev. 4 Rev. 5      MD ANDERSON Project No. XXXXXXMD ANDERSON PROJECT NAMEA/E Name Issue Description A/E Project No.Month 00, 0000 鶹ӳ PVC MEMBRANE ROOFING - ADHEREDMD Anderson Cancer Center07 54 19 MS 20190301 PAGE 1 of  NUMPAGES 17 $*3:DEM 4 7 8 9 D ] n | t P}bJSImžžžh>hQmh:9hK4NH h:9hK4 hYh:q hYhi< hYhp hYh# h.h * h.hK4he hehe hehK4hKw= hYhK4hMhY hYh0 (hKKhK46EM_  ] n | t  P}bmgd.gd.gd Ugd1L $a$gd.XSINmf 2gd Ugd.gd.gd. =LR[xf $$$$%&*u+|,,,----....////////00-0.00000ý÷ñëñåñßñÙñÓñ h @ h @ h @ h @ h @ h PJ h @ h @h hl^h: hYh: hYhK4 h:GhK4 h[hK4hQmhK4 hYhi< h:9hK48f !Z"#x##m$$A%%&$&3'(y())**u+s,|,gd Ugd.gd.|,-.//.00001c2*334@6661789=990:v:::H;gd Ugd U)gd?Lgd U0000001111Z2[2b2c2$3%3)3*33333444496:6?6@6666666(7)70717y8z8889999.9/9<9=99999%:&:/:k:l:v:}:h @PJ h @ h @ h @ h @ h @ h @ h @ h @ h @ h @ h @ h PJ h @h h Uh >::::::::=;>;;;;;;;<C<M<N<Z<[<<<=='=(=========->.>Z>[>a>b>>>>>??e?f?o?p? 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