07530 - 2901Not For Construction
07530 - 1
2901 - Northampton, Massachusetts - 1452013 April 21, 2015
UniSpec II - Store Planning 103114
SECTION 07530 - ELASTOMERIC MEMBRANE ROOFING
PART 1 - GENERAL
1.1 SUMMARY
A. Section Includes:
1. Modifications to existing roofing and flashing system for installation of signs, conduit, equipment, and
piping.
2. Repair and maintenance of the roof after roof installation until store grand opening.
B. Related Sections:
1. Section 05500 - Metal Fabrications: Roof parapet camera support mount.
2. Section 06100 - Rough Carpentry: Wood blocking and nailers.
3. Section 07620 - Sheet Metal Flashing and Trim: Sheet metal fascia and edge trim, counter flashings, and
other sheet metal.
4. Section 07711 - Gutters and Downspouts: Interface of gutters with roofing and metal flashings.
5. Section 07721 - Manufactured Curbs: Curbs for roof penetrations.
6. Section 07722 - Roof Hatches: Penetration of roofing system.
7. Section 08631 - Metal Framed Skylights.
8. Section 07900 - Joint Sealers.
1.2 REFERENCES
A. The publications listed below form a part of this specification to the extent referenced. Publications are referenced
within the text by the basic designation only.
B. ASTM International:
1. ASTM C 1289 - Faced Rigid Cellular Polyisocyanurate Thermal Insulation Board.
2. ASTM D 4637 - EPDM Sheet Used In Single-Ply Roof Membrane.
3. ASTM D 4434 - Polyvinyl Chloride Sheet Roofing.
4. ASTM D 6878 - Thermoplastic Polyolefin Based Sheet Roofing.
C. Factory Mutual Research Corporation (FM):
1. FM Approvals Building Materials Approval Guide, Chapter 3 - Approved Combinations and Assemblies
2. FM Global Loss Prevention Data Sheet 1-28 - Design Wind Loads.
3. FM Global Loss Prevention Data Sheet 1-29 - Roof Deck Securement and Above-Deck Components.
4. FM Approval Standard 4450 - Class 1 Insulated Steel Deck Roofs.
5. FM Approval Standard 4470 - Class 1 Roof Covers.
D. Underwriters Laboratories, Inc. (UL):
1. UL - Roofing Materials and Systems Directory.
2. UL 790 - Fire Resistance of Roof Covering Materials.
3. UL 1256 - Fire Test of Roof Deck Construction.
1.3 SYSTEM DESCRIPTION
A. Single Ply Membrane Roofing System: Single ply membrane roofing system consisting of insulation on metal
deck with 60 mil reinforced membrane mechanically fastened.
B. Flashing and Waterproofing Membranes: 60 mil reinforced membrane, fully adhered, as defined herein and
indicated on the drawings.
1.4 SUBMITTALS
Not For Construction
07530 - 2
2901 - Northampton, Massachusetts - 1452013 April 21, 2015
A. Comply with the requirements of Section 01330. Submit required submittals within 30 days after contract award.
Submittals shall be available at all times to the Wal-Mart Construction Manager.
B. Product Data: Submit Product Data and MSDS sheets for accepted system showing compliance with the specified
physical properties.
C. Shop Drawing: Submit Shop Drawings showing:
1. Fastener patterns to meet uplift requirements.
2. Layouts for Crickets and saddles.
3. Walk pad layouts.
4. Details required for completion but not shown and drawings.
5. Techniques for nighttime or weather tie offs.
D. Quality Assurance Submittals: Copy of Certified Applicator Statement from system manufacturer.
E. Closeout Submittals: Comply with the requirements of Section 01770.
1. Letter from manufacturer stating that existing warranty has not been voided by alterations performed under
this contract.
2. Roofing Contractor’s warranty for work on existing roofing performed under this contract.
3. Roofing System Warranty Form included at the end of this Section.
F. Regulatory Requirements Documentation: Submit Factory Mutual and UL data and assembly drawings showing
compliance with Quality Assurance requirements specified below. Submit letter of compliance from the
manufacturer certifying compliance with referenced FM and UL roofing system requirements.
1.5 QUALITY ASSURANCE
A. Roofing Inspection:
1. The Owner’s Independent Roofing Inspector (IRI) will conduct roof construction inspections as specified
in Section 01458. The IRI responsibilities will, in general, be as follows:
a. Provide full time inspection during roof installation.
b. Complete Roof Inspection Checklist included at the end of this Section.
c. Issue Certification of Quality of Roof Construction upon completion of roof installation.
2. The activities and responsibilities of the IRI shall not preclude any quality control responsibilities by the
Contractor, the Roofing Contractor, or the Manufacturer as specified herein.
3. The Contractor shall be responsible for sampling and testing specified herein.
4. The Roof Inspection Checklist included herein shall be used by the Contractor as a tool to measure quality
roofing work as the work progresses.
B. Qualifications of Applicator:
1. Logistical Experience: Contractor shall have installed a minimum of ten roofing projects of the same or
similar scope with a minimum of 5,000 SF in size within the last three years.
2. System Experience:
a. Contractor shall have been trained by and shall be an authorized installer or licensed contractor for
the roofing system manufacturer, as defined by the roof system manufacturer, for one year prior to
the bid date.
b. Contractor shall have installed a minimum of three projects using the specified roofing system
within the past year.
C. Regulatory Requirements for Roof Assembly: Comply with FM Approvals Building Materials Approval Guide or
Underwriters Laboratories, Inc. Roofing Materials and Systems Directory as specified:
1. Factory Mutual: Provide roofing assembly meeting Class 1A-90 requirements for fire resistance and wind
uplift in accordance with FM Approvals Standard 4470 and FM Global Loss Prevention Data Sheet 1-28
and FM Global Loss Prevention Data Sheet 1-29
2. Provide roof assembly meeting requirements of UL 1256 for Flame Spread developed from underside of
deck and roof assembly meeting requirements of FM Approvals Standard 4450 for Class 1 Insulated Steel
Deck Roofs (construction materials calorimeter).
Not For Construction
07530 - 3
2901 - Northampton, Massachusetts - 1452013 April 21, 2015
D. Manufacturer’s Site Inspections:
1. Provide site inspection and reports by the manufacturer's representative as required by the manufacturer to
maintain the existing warranty.
2. Inspection shall conform to the inspection requirements specified herein.
3. Identify defects on the Owner’s Observation Log (www.bldgportal.com, enter username and password,
select Observation Log).
4. Perform a final audit 10 months after acceptance with Wal-Mart representative as scheduled by
Wal-Mart.
1.6 DELIVERY, STORAGE, AND HANDLING
A. Contractor shall make arrangements for delivery of materials in manufacturer's original unopened containers, dry,
undamaged, seals and labels intact.
B. Contractor shall store materials in weather-protected environment, clear of ground and moisture. Storage
requirements for insulation are as follows:
1. Cut or remove plastic shipping wrap from insulation.
2. Cover with tarpaulin, shield from moistures and ultraviolet rays.
3. Elevate minimum of 4 inches above substrate.
4. Secure to resist high winds.
5. Distribute insulation stored on roof deck to prevent concentrated loads.
6. Do not install wet insulation. Insulation shall be thoroughly dry prior to installation.
C. Store cements, primers, and caulks in heated area above 40 degrees F during cold weather and in area below 80
degrees F in warm weather.
D. Protect adjacent materials and surfaces against damage from roofing work. Do not store materials on completed
roofing.
1.7 ENVIRONMENTAL REQUIREMENTS
A. Follow industry standards for environment requirements including, but not limited to, the following:
1. Do not apply roofing membrane during inclement weather. When air temperature is expected to fall below
40 degrees F, follow specified Cold Weather Application Procedures as specified herein.
2. Do not apply finished roofing system to wet, damp or frozen deck surface or when precipitation is
occurring.
3. Do not expose materials vulnerable to water or sun damage in quantities greater than can be
weatherproofed during same day.
1.8 SEQUENCING AND SCHEDULING
A. Contractor shall coordinate the Work with installation of associated metal counter flashings specified under other
sections as the Work of this Section proceeds.
B. Contractor shall complete installation of base flashing at roof curbs prior to setting roof top equipment.
1.9 WARRANTY
A. Verify with Owner if a warranty is in effect for the existing roofing system. Do not void warranty for existing roof
by performance of work under this contract.
1. Notify roofing system manufacturer of required alterations to existing warranted roof system, in form
required by manufacturer.
2. Prior to starting alterations, photograph the existing conditions, in compliance with roofing manufacturer’s
requirements. Upon completion of alterations, photograph altered roof conditions in accordance with
roofing manufacturer’s requirements.
3. Submit to roofing system manufacturer all information required to maintain warranty, including description
of work, drawings, photographs, specifications, etc.
4. Obtain inspection services of existing roofing system manufacturer’s representative as necessary to ensure
Not For Construction
07530 - 4
2901 - Northampton, Massachusetts - 1452013 April 21, 2015
that warranty remains in effect after completion of work under this contract.
5. Obtain statement from roofing system manufacturer that original warranty remains in effect after
completion of modifications.
B. Provide a warranty issued by Roofing Contractor against loss of weathertightness for work on existing roofing
performed under this contract. commencing at date of Substantial Completion, for a period of not less than 2 years.
C. Provide a warranty commencing at date of Substantial Completion, on form provided at the end of this Section that
includes cost of labor and materials for loss of weather tightness without financial limit for a period of 15 years.
PART 2 - PRODUCTS
2.1 MATERIALS AND MANUFACTURER
A. Acceptable manufacturers: Verify existing roofing system manufacturer with Owner . Provide materials acceptable
to existing roofing system manufacturer and as required to maintain existing roofing system warranty.
B. Manufacturer Contact Information:
1. Carlisle SynTec Systems, Steve Benjamin, National Accounts Technical Manager (413) 262-8928,
steven.benjamin@syntec.carlise.com.
2. Firestone Building Products Company, Indianapolis, IN, Chris Mincey, National Accounts Representative,
(800) 428-4442 x53236.
3. Johns Manville Roofing Systems, A.J. Maijala, Manager, Preferred Accounts (303) 978-2176 or (303) 898-
0027, aj.maijala@jm.com.
C. Roofing System: Verify existing roofing system type with Owner. Provide roofing system materials of type and
manufacturer to match existing system, conforming to the requirements specified herein.
2.2 MEMBRANE PHYSICAL PROPERTIES
A. TPO: Thermoplastic single ply membrane composed of thermoplastic polyolefin (TPO) sheet as specified for the
specific product hereinbefore and reinforced with polyester scrim conforming to ASTM D 6878.
1. Membrane Type: Reinforced, 60 mil thickness, white (match existing membrane color), 8 ft. maximum
sheet width.
2.3 FLASHING MEMBRANE
A. Flashing Membrane: Reinforced and non-reinforced membrane and pressure-sensitive flashing by Roofing System
manufacturer, minimum 60 mils, specifically designed for use in flashing at perimeters and wall, and around
projections through roofing system.
2.4 WATERPROOFING MEMBRANE
A. Waterproofing Membrane: Membrane waterproofing formed into uniform, flexible sheets by Roofing System
manufacturer. Reinforced, 60 mils nominal thickness.
B. Waterproofing Flashing: Reinforced and non-reinforced membrane and pressure-sensitive flashing by Roofing
System manufacturer, minimum 60 mils, specifically designed for use in flashing at perimeters and wall, and
around projections through roofing system.
2.5 ROOF INSULATION
A. Isocyanurate Foam Insulation: Polyisocyanurate board insulation, ASTM C 1289, Type II, felt or glass-fiber mat
facer on both major surfaces, with an LTTR (Long Term Thermal Resistance) value of 17.4 for 3.0” thickness
based on ASTM C1303 and CAN/ULC S770.
1. Manufacturers:
a. HPH, by Carlisle.
Not For Construction
07530 - 5
2901 - Northampton, Massachusetts - 1452013 April 21, 2015
b. ISO 95+ GL, by Firestone.
c. ENRGY3 or ISO3 by Johns Manville.
d. Products meeting the specified requirements by other manufacturers as recommended by the roofing
membrane manufacturer.
B. Insulation Assembly:
1. Insulation: Isocyanurate Foam, match existing insulation thickness if attaching to existing roof area, or 3.0
inches thick if new roof is isolated from existing roof.
C. Roof Curb Insulation: Polyisocyanurate Foam; both faces covered with glass fiber felt; thickness to match wood
nailer.
D. Tapered Insulation: Provide crickets, saddles, and tapered insulation of same material as roof insulation; taper to
the following slopes:
1. Crickets and Saddles: 1/2 inch per foot (1/4 inch per foot positive slope).
2. Insulation Installed to Counter slope the Roof Structure: 1/2 inch per foot.
3. Edge Taper Insulation: Adjacent to gutter assembly, slope at minimum rate of 1/2 inch per foot. Provide
insulation having a starting thickness of 1 inch, tapering insulation up to match nominal roof insulation
thickness.
2.6 ROOF PENETRATION FLASHING AND SEALS
A. Molded Pipe Flashing: Pre-molded flexible pipe flashing as recommended and supplied by the roofing
manufacturer.
B. Urethane Rubber Seal System: Manufacturer’s standard elastomeric pourable sealer pockets including two-part
pourable urethane sealer.
2.7 ACCESSORIES
A. Provide accessories as shown on the drawings and manufacturer’s system accessories for a complete and
warranted Roofing System, including, but not limited to, the following:
1. Weathered Membrane Cleaner.
2. Lap Sealant.
3. Bonding Adhesive.
4. Membrane Fasteners.
5. Termination Bar.
6. Insulation Fasteners.
7. Walkway / Isolation Pads.
8. Preformed Accessories including Pipe Flashings.
9. Preformed Corner Patching.
10. Draw Bands.
11. Foam Filler Insulation: Polyurethane Expanding Foam as defined within Section 07900.
12. 3-inch & 6-inch in-seam tape.
13. Pressure-sensitive flashing.
14. Primer.
15. In-seam plates.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Verify deck is clean and smooth, free of depressions, waves, or projections, properly sloped to drains, valleys, and
eaves. Verify flutes of steel deck are evenly spaced at intersections. Defects in the substrate surface shall be
reported and documented.
B. Verify roof openings, curbs, pipes, sleeves, ducts, or vents through roof are solidly set, cant strips, nailing strips,
and reglets are in place. Verify deck is supported and tightly secured.
Not For Construction
07530 - 6
2901 - Northampton, Massachusetts - 1452013 April 21, 2015
C. Verify surfaces are dry and free of water, snow, and ice.
D. Beginning installation means acceptance of substrate and pre-installation conference has been held with
agreements reached.
3.2 PREPARATION
A. Provide covers and other means of protection as necessary to protect building surfaces against damage during
roofing work.
B. Where Work will continue over finished roof membrane, protect surfaces from damage.
3.3 ROOF INSULATION INSTALLATION
A. Place long edge of boards parallel to deck flutes, forming joint over solid bearing. Lay insulation units with long
edge joints continuous and end joints staggered. Mechanically fasten insulation, through fire resistive layer if
specified, to deck with FM approved fasteners and plates in accordance with requirements of FM.
1. Install fasteners using drill with torque clutch; other types of drills will not be permitted.
2. In no case shall the number of fasteners be less than indicated in approved submittals.
B. Lay insulation boards to moderate contact without forcing joints. Cut insulation to fit neatly around protrusions
through roof. At parapet walls, cope insulation around protrusions and embed plates; butt tight to wall, sealing
conditioned building.
1. Fill gaps over 1/4 inch wide with Foam Filler Insulation. After foam sets and before installation of
membrane, trim foam flush with insulation surface.
C. Place roof crickets and tapered insulation to required slope pattern in accordance with Contract Documents and
manufacturer's instructions.
D. Apply no more insulation than can be sealed with membrane in same day.
E. Adhere a single layer of insulation to manufactured metal curbs with bonding cement.
3.4 ROOFING MEMBRANE APPLICATION
A. Mechanically Fastened Membrane:
1. Starting at low point of roof surface, run membrane perpendicular to roof slope. Unroll membrane over
prepared substrate, lapping adjoining sheets as recommended by manufacturer.
2. Mechanically fasten membrane using manufacturer's fastening system. Install fasteners in accordance with
submitted engineered layout pattern to resist specified wind uplift.
3. Install fasteners using drill depth sensing or torque limiting screw guns to limit under / over drive of
fasteners.
a. Drill motors and other non-limiting drivers shall not be used.
4. Seam Sealing
a. TPO Heat-weld seams according to the system manufacturer’s recommendations, and with a
minimum weld width of 1-1/2 inches.
B. Cold Weather Application Procedures: When air temperature is expected to fall below 40 degrees F, follow Cold
Weather Application Procedures as follows:
1. Store materials in heated storage units prior to installation. Rotate adhesive, cement, and sealant containers
to maintain their temperature above 40 degrees F.
2. Allow membrane to relax until no wrinkles are visible.
3. Allow adequate time for solvents in cements to flash off. Check dryness of applied cements before sealing
joints.
4. Verify that frost, dew, and other forms of moisture have evaporated prior to covering insulation with
membrane to prevent entrapment of moisture within finished roof system.
3.5 WATER CUTOFFS AND WEATHER PROTECTION
Not For Construction
07530 - 7
2901 - Northampton, Massachusetts - 1452013 April 21, 2015
A. Install water cut-offs at end of day's operation to seal insulation and edge of roof membrane from moisture entry.
If inclement weather appears imminent during roofing application, cease operations and protect deck, insulation,
flashings, penetrations and membrane from moisture infiltration with water cutoffs. Insulation and roofing
materials not so protected prior to inclement weather will be considered damaged and will be cause for rejection.
B. Remove water cut-offs and other temporary weather protections prior to continuing roofing work. Remove
materials that have been subject to moisture damage and return deck to a clean, dry condition before proceeding
with roofing operations. Remove damaged materials from job site.
C. The water cut-offs and weather protection shall not be considered a part of the final roof system specified.
3.6 MEMBRANE FLASHING AND ACCESSORIES
A. Apply flexible flashings to seal membrane to vertical elements using manufacturer's standard peel and stick
flashing.
1. Reinforced Flashing Membrane: Where conditions permit, flash penetrations and walls with reinforced
flashing membrane.
2. Uncured Flashing: Limit use of uncured flashing to overlay vertical seams as required at angle changes, to
flash inside and outside corners, scuppers, and other penetrations or unusually shaped walls as approved by
the manufacturer.
B. Roof Penetrations:
1. Molded Pipe Flashing: Install where configuration of penetration will permit.
2. Urethane Rubber Seal System: Install where molded pipe flashing cannot be installed due to configuration
of penetration. Install at locations shown including electrical penetrations, camera mount conduits, gas line
penetrations, flues, and satellite dish location.
a. Install per manufacturers application instructions.
C. Seal flashings and flanges of items penetrating membrane.
D. Fasten termination bars at 12 inches on center or less to maintain constant compression.
E. Isolation Pads: Install isolation pads at pipe supports.
F. Walkway Pads: Install walkway pads as shown on the drawings. Maximum pad section length shall be 10 ft. with
three inch spacing between pad sections, unless otherwise indicated on Drawings. Adhere pads to roofing system
to prevent displacement in maximum anticipated design wind velocity and to allow drainage of moisture from
beneath pads. Install pads to allow roof surface drainage without ponding water. Install pads after adjacent
equipment installation.
3.7 WATERPROOFING MEMBRANE
A. Waterproofing Membrane: Install waterproofing membrane to be fully adhered to parapet using bonding adhesive
as recommended by membrane manufacturer. Run membrane waterproofing over top of parapet and turn down
front side of parapet 3 inches.
1. Provide continuous weather tight seal from 3" below parapet cap, over parapet, down interior face, and onto
roof surface.
2. Conceal adhesive on exterior face of parapet with waterproofing.
B. Waterproofing Flashing: Apply waterproofing membrane flashings to seal membrane to vertical elements using
manufacturer's peel and stick flashing.
1. Reinforced Waterproofing Flashing: Where conditions permit, flash walls with reinforced waterproofing
flashing or as required by the manufacturer.
2. Uncured Flashing: Limit use of uncured flashing to overlay vertical seams as required at angle changes, to
flash inside and outside corners, scuppers, and other penetrations or unusually shaped walls where use of
reinforced waterproofing flashing is not practical or as required by the manufacturer.
3.8 FIELD QUALITY CONTROL
Not For Construction
07530 - 8
2901 - Northampton, Massachusetts - 1452013 April 21, 2015
A. Correct identified defects or irregularities.
B. Take core samples and report information when determined to be necessary to verify the insulation thickness by
the IRI.
C. Quality Control inspection will be conducted by the Owner's IRI as specified in Part 1.
3.9 CLEANING
A. Replace defaced or disfigured finishes caused by Work of this Section.
3.10 PROTECTION
A. Where construction traffic must continue over finished roof installation, protect roof surfaces as recommended by
roofing system manufacturer to protect manufacturer's warranty.
3.11 MAINTENANCE AND REPAIR DURING CONSTRUCTION
A. The Contractor shall maintain the entire roofing system and related work until issuance of Certificate of
Occupancy. Maintenance shall consist of repair of material or installation defects or damage resulting from any
subsequent work on the roof or from any weather related damage. Maintenance shall be to maintain the roof
system in a watertight condition including repair of conditions that show signs of inferior workmanship that may
result in potential leaks. Leaks occurring during the maintenance shall be repaired in accordance with good roofing
practice and the requirements specified herein. The Contractor shall remove and replace all wet insulation caused
by water leaks and repair the Roofing System.
END OF SECTION
ROOFING SYSTEM WARRANTY
Owner:
Address of Owner:
Type and Name of Building:
Location:
Roofing System Specification Number: Area of Roof System:
Date of Substantial Completion: Date Warranty Expires:
Manufacturer’s 24 hour Emergency Telephone: (____) (no answering machines or message Center)
Contact Name:
Contractor’s Telephone: (_______) (no answering machines or message center)
Contact Name:
Upon completion of and after inspection by the Manufacturer of such Work, Manufacturer agrees to warrantee the aforesaid
Roofing System for a limited period and subject to the conditions herein set forth:
Manufacturer Warrantees, subject to the conditions herein set forth, that during a period of 10 years from the date of
Substantial Completion, it will, at its own cost and expense, make or cause to be made such repairs to said Roofing System
resulting solely from faults or defects in materials and/or workmanship applied by or through the Roofing System Contractor
as may be necessary to maintain said Roofing system in watertight condition. Owner’s remedies and manufacturer’s liability
Not For Construction
07530 - 9
2901 - Northampton, Massachusetts - 1452013 April 21, 2015
shall include cost of labor and materials for loss of weather tightness without financial limit. In accordance with good
roofing practice, the Manufacturer shall remove and replace all wet insulation (as defined in specifications) caused by water
leaks covered under this Warranty (i.e. leaks resulting from circumstances other than those listed in the exclusions) and repair
the Roofing System at no cost to the Owner. Should the investigation reveal that the leak is the result of something other
than a defect in materials and/or workmanship applied by or through the Roofing System Contractor, the reasonable
investigative work and reasonable repair costs shall be paid by the Owner. Failure by the Owner to pay these costs shall
render this warranty null and void.
Warranty shall include materials and workmanship from the following items:
1. Membranes (including parapet waterproofing).
2. Membrane flashings including attachment to sheet metal flashings and trim.
3. Fasteners, cements, and adhesives.
This warranty is made subject to the following conditions:
1. The Owner shall notify Manufacturer within 24 hours of notice by the Wal-Mart Roof Maintenance Department of leaks.
The Manufacturer will respond with service within 24 hours of notice from owner (if not possible, than no later than 48
hours, however Wal-Mart retains the right to make repairs at Warrantor’s expense to mitigate damages).
2. Specifically excluded from this Warranty is any and all damage to said roof system, the building, or contents caused by
natural disasters, including, but not limited to: earthquake, hail, lightning, hurricane, tornado, strong gale wind force (72
MPH or greater), or structural failure of the building or of the roof deck (as defined by a licensed Structural Engineer and
except that caused by the Manufacturer), fire, and acts of war. If the roof system is damaged by reason of any of the
foregoing, this warranty shall become null and void (AFFECTED AREAS ONLY) for the balance of the warranty period
unless such damage is repaired at the expense of the owner.
3. Manufacturer is not liable for consequential damages to the building or contents resulting from any defects in said roof
system, including, but without limitation, any interruption of business experienced by Owner or occupants of the
building.
4. All additions and/or alterations to the roof system shall be installed in accordance with the manufacturer’s written
recommendations and the manufacturer should provide prior to acceptance to said additions or alterations. Should
unauthorized additions/alterations be discovered by the Wal-Mart Roof Maintenance Department, the manufacturer will
be notified in writing within fourteen days of such discovery. Provide at manufacturer’s discretion an inspection of the
unauthorized additions/alterations and notify the Owner in writing of any remedy required by the manufacturer within
fourteen days. This Installation/Inspection by the Manufacturer is to be done at a cost to Wal-Mart Stores, Inc. of not
more than $500.00 to cover travel and time for the inspector. Provide inspection of said roof during business hours.
Failure to notify the Owner of any required remedy shall deem the addition/alteration acceptable to the Manufacturer and
the warranty will remain in effect.
5. The area of additions and/or alterations shall be the only area of the roof system where warranty is suspended. All other
roof system areas will have continual coverage under the roof warranty.
6. This Warranty is transferable within the 10-year warranty period, subject to Manufacturer’s inspection, written approval
and transfer fee payment.
7. During the term of this warranty, the manufacturer, its agents and employees, shall have free and unlimited access to the
roof during the hours of store operation.
8. The terms and conditions of this warranty are controlling. Any other warranty conditions attached or referenced that are
in conflict with this warranty are ineffective and invalid.
9. This limited warranty shall be governed and construed in accordance with the laws of the State of Arkansas without
regard to conflict of laws.
10. The Manufacturer does not warrant products incorporated or utilized in this installation that it has not furnished. The
Manufacturer specifically disclaims liability under any theory of law arising out of the installation or performance of, or
damages sustained by or caused by, products not furnished by the Manufacturer.
Not For Construction
07530 - 10
2901 - Northampton, Massachusetts - 1452013 April 21, 2015
IN WITNESS WHEREOF, this instrument has been duly executed this ____day of ____________, _________________.
_________________________________________
By _____________________________________
END OF WARRANTY
Not For Construction
07530 - 11
2901 - Northampton, Massachusetts - 1452013 April 21, 2015
ROOF INSPECTION INSTRUCTIONS
TOOLS AND SUPPLIES: Provide the following during inspections:
Copy of roof plan and copy and specifications.
Tape measure, metal thickness gauge, paint for marking defects on roof, roof coring tools and repair materials, and
seam probe (to be supplied by Roofing Contractor).
INSPECTION PROCEDURE
All undersigned parties shall accompany inspection.
Inspect underside of decking from inside of building for proper insulation fastener spacing and sheet fastener
spacing.
Roof Inspection shall start at the parapet wall on the GM side of the building, at the back corner.
Proceed around perimeter, (including TLE, Garden Center, etc).
Continue across front wall and down sidewall at GR.
Inspect all metal flashings, base and wall flashings, perimeter attachments, perimeter membrane sheet layout,
parapet waterproofing membrane, and all accessories.
Inspect condition of paint on exterior walls. Inspect CMU for proper paint coverage.
Inspect all painted metals for proper coverage.
Inspect back wall gutter or internal drainage system.
Inspect field of roof system, beginning approx. 10' from back wall, walking side to side of building.
Inspect roof area no more than 10 feet on each side of walking paths, from back, to front of building.
Inspect all checklist items at field seams, flashings, RTUs, mechanical equipment, skylights, refrigeration units, gas
lines, expansion joints, crickets, walkpads, and other roof accessories.
Mark defects on roof by paint markings and identify each defect using corresponding defect number.
After roof inspection is complete FAX signed inspection form to Wal-Mart Construction Manager within 24 hours.
COMPLETION OF CHECKLIST
Answer each checklist item Yes or No.
Mark “N/A” on checklist items which do not apply.
Identify defects on the Wal-Mart Deviation Log. (www.bldgportal.com, enter username and password, select
Deviation Log)
Number each defect as follows:
o Identification Symbol-Checklist Item No.-Defect No. (E.g. MF-1-3)
o Identification symbol and checklist item number shall correspond to the Roof Inspection Checklist. The
defect number shall be numbered in sequence for each checklist item.
Complete all applicable information in the Deviation Log including the resolution of each item.
Not For Construction
07530 - 12
2901 - Northampton, Massachusetts - 1452013 April 21, 2015
ROOF INSPECTION CHECKLIST
(GI) GENERAL:
1. Has the specified roof system been installed? YES___ NO___ N/A___
2. Has all construction materials, trash, and other debris been removed from the roof? YES___ NO___ N/A___
3. Have all punch list items been addressed and signed off? YES___ NO___ N/A___
4. Is there any visible physical damage to roof? YES___ NO___ N/A___
5. Are the RTU's numbered so they can be seen from the roof hatch? YES___ NO___ N/A___
6. Is the roof hatch painted? YES___ NO___ N/A___
7. Is the any roofing mastic or other foreign substance on roof membrane? YES___ NO___ N/A___
(MF) MECHANICAL FASTENERS: (Check from inside building)
1. Is the insulation attachment pattern installed per manufacturers required spacing and pattern? YES___ NO___ N/A___
2. Is the membrane sheet attachment in the seams at minimum 12” inches o.c. or per
manufacturers required spacing? YES___ NO___ N/A___
3. Are all seams mechanically attached? YES___ NO___ N/A___
(PF) PERIMETER WALL FLASHING
Metal Flashing Types (Check all that apply)
[ ] Embedded edge metal
[ ] Metal cap flashing
[ ] Wall/Parapet
[ ] Coping
[ ] Other
[ ] Pre-finished metal
[ ] Painted metal. Paint condition:
1. Has the edge metal fascia been attached with fastener spacing in 3” o.c. staggered? YES___ NO___ N/A___
2. Is the edge metal fascia continuously attached to the cleat? YES___ NO___ N/A___
3. Is the edge metal lapped a minimum of 4”? YES___ NO___ N/A___
4. Have the laps been sealed? YES___ NO___ N/A___
5. Is edge metal properly stripped into roof system? YES___ NO___ N/A___
6. Has the metal been sealed at the flashing? YES___ NO___ N/A___
7. Has the metal coping been fastened with neoprene gasket fasteners at 12” o.c.? YES___ NO___ N/A___
(PW) PARAPET WALL MEMBRANE
1. Is the membrane fully adhered in all areas to the parapet walls? YES___ NO___ N/A___
2. Are there any voids, wrinkles, or disbonded areas? YES___ NO___ N/A___
3. Has the termination bar been installed at the base flashing? YES___ NO___ N/A___
4. Is the base flashing run onto the roof membrane and seam sealant used? YES___ NO___ N/A___
5. Are corner flashings installed? YES___ NO___ N/A___
6. Are there any open seams? YES___ NO___ N/A___
7. Is the membrane terminated and sealed at parapet end wall conditions? YES___ NO___ N/A___
8. Are all parapet end walls fully painted or flashed? YES___ NO___ N/A___
(PA) PERIMETER MEMBRANE SHEETS ATTACHMENT
1. Have the required number perimeter sheets per system specification been installed? YES___ NO___ N/A___
2. Are the fasteners spaced per the manufacturers requirements? YES___ NO___ N/A___
3. Have T-Lap patches been installed at all T-joints? YES___ NO___ N/A___
4. Have seams been properly sealed? YES___ NO___ N/A___
(EW) EXTERIOR WALL PAINT (Inspect every 25’ minimum.)
1. Is wall painted/sealed? YES___ NO___ N/A___
2. Are there visible voids in the paint? YES___ NO___ N/A___
3. Cracks in blocks or open mortar joints? YES___ NO___ N/A___
4. Are walls painted behind downspouts? YES___ NO___ N/A___
Not For Construction
07530 - 13
2901 - Northampton, Massachusetts - 1452013 April 21, 2015
DRAINAGE SYSTEM (Check all that apply)
[ ] Gutters and downspouts
[ ] Interior drains [ ] Overflow drains [ ] Overflow scuppers
[ ] Scuppers with leaders & downspouts [ ] Overflow scuppers
Specified gauge (Check all areas with gauge)
Main roof area gauge
TLE gauge
Garden Center gauge
Receiving gauge
Other gauge
(GD) GUTTERS AND DOWNSPOUTS
1. Is the specified type of metal installed? YES___ NO___ N/A___
2. Is the gutter sized as indicated on the drawings? YES___ NO___ N/A___
3. Is gutter holding water? YES___ NO___ N/A___
4. Is the gutter painted inside? YES___ NO___ N/A___
5. Are gutter straps installed every 36” o.c.? YES___ NO___ N/A___
6. Gutter expansion joints installed every 40’ maximum? YES___ NO___ N/A___
7. Are the gutter outlets soldiered to the gutter? YES___ NO___ N/A___
9. Are gutter brackets installed every 36” o.c.? (Inspect from the ground level) YES___ NO___ N/A___
10. Are the downspouts the specified size and configuration? YES___ NO___ N/A___
11. Are the downspout straps installed at top, center, and bottom? YES___ NO___ N/A___
12. Are the downspouts spaced as called out in the documents? YES___ NO___ N/A___
13. Have splash blocks been installed? YES___ NO___ N/A___
14. Have the downspouts been properly tied to the storm sewer? YES___ NO___ N/A___
15. Are joints in gutter leaking? YES___ NO___ N/A___
16. Are outlets in gutter leaking? YES___ NO___ N/A___
(RE) ROOF EDGE
1. Is gravel guard properly installed? YES___ NO___ N/A___
2. Is gravel guard properly stripped into roof system? YES___ NO___ N/A___
3. Is gravel guard prefinished or painted? YES___ NO___ N/A___
4. Is the gravel guard nailed at 3”o.c. staggered? YES___ NO___ N/A___
6. Is roof edge ponding water? YES___ NO___ N/A___
(DR) INTERIOR DRAINS
1. Are the roof drains the specified diameter? YES___ NO___ N/A___
2. Are the overflow drains the specified diameter? YES___ NO___ N/A___
3. Does the roof drain outlet diameter match the diameter of the leader pipe? YES___ NO___ N/A___
4. Has the roof membrane been properly trimmed inside the roof drain? YES___ NO___ N/A___
5. Is the roof drain free of debris and draining properly? YES___ NO___ N/A___
6. Has the insulation been tapered around the roof drains? YES___ NO___ N/A___
7. Have the roof drains been checked for leaks inside the store? YES___ NO___ N/A___
8. Has the wire mesh and draw band been installed over the over flow drain outlet? YES___ NO___ N/A___
9. Are the roof drain strainers in place? YES___ NO___ N/A___
10. Does ponding exist? YES___ NO___ N/A___
(SC) SCUPPERS
1. Are scuppers the specified height and width? YES___ NO___ N/A___
2. Are the scuppers located directly in line with the primary and over flow drains? YES___ NO___ N/A___
3. Are they flush with the roof? YES___ NO___ N/A___
4. Does ponding exist? YES___ NO___ N/A___
5. Has the scupper box been installed and sealed to the wall? YES___ NO___ N/A___
6. Are scuppers properly flashed to roof system? YES___ NO___ N/A___
Not For Construction
07530 - 14
2901 - Northampton, Massachusetts - 1452013 April 21, 2015
(JC) JIB CRANE
1. Is the jib crane located with unobstructed clear space below? YES___ NO___ N/A___
2. Does the jib crane appear to be usable in a safe manner? YES___ NO___ N/A___
3. Is safety chain installed? YES___ NO___ N/A___
4. Is the ladder safety chain installed? YES___ NO___ N/A___
5. Is GFI outlet installed within 6’ reach of the jib hoist arm? YES___ NO___ N/A___
6. Are walkway protection pads installed? YES___ NO___ N/A___
7. Is parapet door in place (on raised parapet projects)? YES___ NO___ N/A___
(CM) CAMERA MOUNTS
1. Are mounts attached and sealed to parapet wall? YES___ NO___ N/A___
2. Are penetrations installed for each mount? YES___ NO___ N/A___
3. Are specified flashings and conduit used and installed at wire penetrations? YES___ NO___ N/A___
4. Is wiring for camera held off of the roof? YES___ NO___ N/A___
(RM) ROOF FIELD MEMBRANE: (Seams should be checked in random areas for
proper seals and voids. No wrinkles in seams will be acceptable.)
1. Has maximum width field sheet been used? (7’ EPDM / 8’ TPO) YES___ NO___ N/A___
2. Are all seams properly lapped and sealed? YES___ NO___ N/A___
3. Are T-lap patches in place at all T-Laps? YES___ NO___ N/A___
4. Are all edges of cut sheet sealed? YES___ NO___ N/A___
5. Do wrinkles exist in any laps? YES___ NO___ N/A___
6. Does any ponding exist in roof area? YES___ NO___ N/A___
7. Is membrane shingled properly with the slope of the roof? YES___ NO___ N/A___
(RI) ROOF INSULATION
1. Is insulation the specified thickness? (To be checked when making roof cores.) YES___ NO___ N/A___
2. Are there visible gaps in the insulation boards? YES___ NO___ N/A___
3. Is there any ponding along horizontal insulation joints? YES___ NO___ N/A___
4. Are there any voids or missing insulation? YES___ NO___ N/A___
(RTU) ROOF TOP UNITS & REFRIGERATION UNITS FLASHINGS:
1. Are base flashings fully adhered to curb? YES___ NO___ N/A___
2. Are corner flashings on curbs installed? YES___ NO___ N/A___
3. Are seams to roof membrane sealed with no voids or wrinkles? YES___ NO___ N/A___
4. Are crickets installed to divert water around unit? YES___ NO___ N/A___
5. Are counterflashings installed and properly attached? YES___ NO___ N/A___
6. Are walkpads installed as per the documents? YES___ NO___ N/A___
7. Are condensation P-traps installed on all units? YES___ NO___ N/A___
(SK) SKYLIGHTS:
1. Are base flashings fully adhered to curb? YES___ NO___ N/A___
2. Are corner flashings on curbs installed? YES___ NO___ N/A___
3. Are seams to roof membrane sealed with no voids or wrinkles? YES___ NO___ N/A___
4. Are crickets installed to divert water around unit? YES___ NO___ N/A___
5. Are counterflashings installed and properly attached? YES___ NO___ N/A___
6. Are skylights attached to curbs at 12”o.c.? YES___ NO___ N/A___
7. Do screws have neoprene washers? YES___ NO___ N/A___
8. Are any cracks visible in domes? YES___ NO___ N/A___
9. Is there moisture between domes? YES___ NO___ N/A___
10. Are any of the units damaged? YES___ NO___ N/A___
11. Are any of the corners open? YES___ NO___ N/A___
Not For Construction
07530 - 15
2901 - Northampton, Massachusetts - 1452013 April 21, 2015
(GL) GAS LINES:
1. Are gas lines painted? YES___ NO___ N/A___
2. Is blocking spaced under line at 8’ o.c max.? YES___ NO___ N/A___
3. Is blocking located within 2’ of RTU? YES___ NO___ N/A___
4. Is blocking located within 1’-6” of each corner? YES___ NO___ N/A___
5. Are protection pads under each block? YES___ NO___ N/A___
6. Are protection pads the correct size and fully adhered? YES___ NO___ N/A___
7. Are pipe clamps correct sizes and installed per the documents? YES___ NO___ N/A___
8. Are gas pipe dirt legs touching roof? YES___ NO___ N/A___
(EJ) ROOF EXPANSION JOINTS
1. Is the expansion joint installed? YES___ NO___ N/A___
2. Is the joint properly terminated at the parapet at the front? YES___ NO___ N/A___
3. Is the joint properly terminated at the rear? YES___ NO___ N/A___
4. Is the joint properly flashed to roof system? YES___ NO___ N/A___
5. Are there any open seams? YES___ NO___ N/A___
(MI) MISCELLANEOUS ITEMS
1. Are soil stacks properly flashed and clamps installed? YES___ NO___ N/A___
2. Are roof jacks properly flashed and collars sealed? YES___ NO___ N/A___
3. Are protection pads under support? YES___ NO___ N/A___
ATTENDED BY:
GENERAL CONTRACTOR __________________________________________________
__________________________________________________
(Printed name and title)
ROOFING CONTRACTOR __________________________________________________
__________________________________________________
(Printed name and title)
MANUFACTURERS REP. __________________________________________________
__________________________________________________
(Printed name and title)
OWNER’S CONST MGR. _________________________________________________
(Printed name and title)
STORE MANAGER _________________________________________________
_________________________________________________
(Printed name and title)
Not For Construction
07530 - 16
2901 - Northampton, Massachusetts - 1452013 April 21, 2015