Re-roofing Specification for:

Chequamegon School District

Roof Areas 5 & 6 (Elementary Gym and 4K Section) 420 9th Street North

Park Falls, WI Ballasted EPDM Membrane

Bids Due 2:45 p.m., March 10, 2026

PART 1 GENERAL

1.01 DESCRIPTION

TheChequamegon High Schoolis located at 420 9th Street, Park Falls, WI 54552. Mr. Kevin Schuelke is the Maintenance Supervisor and may be contacted regarding a pre-bid job site inspection; phone 715-762-2474 ext 2237.

A. The project generally consists of removal and disposal of existing roofing materials including: existing EPDM roof membrane, EPDM flashings, EPDM accessories, metal fascias, metal copings and installing a new Carlisle Sure-Seal Design "B" Loose Laid Ballasted Roofing System, or equivalent, utilizing .060” non reinforced EPDM membrane in conjunction with EPDM accessories and new metal fascias and copings.

The existing roof insulations are intended to remain in place, providing they are not damaged and are dry. Existing stone ballast may be reused. Refer to attached Roof Plan for designated roof areas to be re-roofed. Project should include additional 3” of R-17 insulation on all roofs.

B. Please note that the Chequamegon School District and Board of Education reserves the right to reject or accept any bids based on the best interests of the District.

C. Note that this entire specification is based around Carlisle Syntec Inc. or an equivalent system.

D. The Contractor performing services for the Chequamegon School District shall:

Maintain worker’s compensation Insurance as required by Wisconsin Statutes for all employees engaged in the work for the District.

Maintain commercial liability, bodily injury and property damage insurance against any claim(s) which might occur in carrying out this agreement/contract. Minimum coverage shall be one million dollars $1,000,000 per occurrence, $2,000,000 aggregate liability for bodily injury and property damage including products liability and completed operations. Provide motor vehicle insurance for all owned, non-owned and hired vehicles that are used in carrying out this contract. Minimum coverage shall be one million dollars $1,000,000 per occurrence combined single limit for automobile liability and property damage. Furnish a Certificate of insurance to the District upon award as a condition of receiving a purchase order for the work.

E. Substantial completion date of August 21, 2026.

2026-Partial Re-roofing of Chequamegon School District, Park Falls, WI

General Scope of Work-Base Bid

● Tear off anddisposeofexistingEPDMroofmembrane,EPDMflashingsandaccessories,allexisting terminationbars,metalfasciasandcopings.Existinginwallregletmaybereused,howeverexisting lowercounter-flashinginsertshallbeprovidednew.Theexistingriverwashedstoneballasthasbeen inspected and may be reused providing it is re-applied at a minimum rate of 10 lbs/sf.

● Upon completion of tear-off items described above, the Contractor shall thoroughly inspect the existing roof insulations for suitable substrate for the new roofing assembly. The existing roof insulations shall be left in place providing they are not damaged or wet. Any wet or damaged insulation shall be replaced. Contractor shall provide a “cost per Square Foot for insulation replacement” with the same type and thicknesses on attached Bid Form. Contractor is to immediatelynotifythebuildingownerofanyextensivedefects(damagedorwetinsulation)priorto proceeding with the re-roofing process. Damaged or wet insulation shall be documented to the owner and specifier with digital photos and location and sizenotedontheroofplan.Theexisting roof insulations may have shifted or experienced shrinkage and gaps between boards. Any gaps greater than ¼” shall be filled with new insulation fillers.

● All materials removed off of roof shall be disposed of by the Contractor following proper local disposal codes and regulations.

● Contractor is responsible for providing aminimumofan8-inchfinishedflashingheightsatallroof topequipmentlocations.Certainrooftopunitsincludinggaslinesandelectricalsupplymayhaveto be disconnected and re-connected during the re-roofing process. All mechanical and electrical coordination and pricing is the responsibility of the Contractor.

● Existing Standing Seam Metal Mansard Panels shall remain undisturbed ‘as-is’.

● Contractor shall furnish and install new wood (2 x 6) nailersand/orplywoodatoutsideroofedge perimeter (where required by roofing manufacturer) only if existing wood is decayed or rotten.

Fasten new wood nailers according toNRCAandFM1-49recommendations.Treatedwoodnailers are not recommended.

● Furnish and install new loose laid stone ballasted roof system utilizing Carlisle’s .060” thick non-reinforcedblackEPDMmembraneorequivalent.Seamadjoiningsheetsofroofmembranewith 3” wide SecureTape. Install allEPDMaccessories,flashingsandnewaluminumterminationbarsas requiredbytheroofingmanufacturerfora15yearNodollarlimit,non-prorated(NDL)TotalSystem Roofing Warranty and a 20 year membrane warranty.

● Reinstalltheexistingriverwashedstoneballastataminimumrateof10lbspersquarefootoverthe entire EPDM roof membrane surface.

● InstallnewMetal-Eraperimeterfasciasasdesignatedontheattacheddrawingsanddetails.Fascias shallbeMetal-Eraconsistingof24gaugesteelwithastandardKynarfinish(cover)andcontinuous22 gaugeG-90galvanizedsteelcontinuouscleat.CopingsshallbeMetal-EraPerma-TiteTaperedCoping in 22 ga steel with kynar finish. Finish shall bewarrantedforaminimumof20yearsagainstfade, chalkandpeel.Colorofnewfasciashallcloselymatchexistingmetaltrimandmansardpanelsonthe existing building. Provide factory fabricated miters. Fascia System shall meet ANSI/SPRI ES-1 to designpressuresof150lbs/ft2andTestMethodsRE-1,RE-2andRE-3andshallcomplywithIBCcode requirements.

● The top piece of the existing in-wall 2-piece counter-flashing may be reused and re-caulked with one-partpolyurethanesealant.Provideandinstallnewbottompieceofinsertcounterflashingin24 ga steel with Kynar finish to match once the new aluminum termination bar detail has been installed.

● Warranty: Upon completion and final inspectionbytheroofingmanufacturer,providethebuilding owner withCarlisle’snon-prorated15yearTotalSystemWarrantyorequivalentcoveringlaborand materials with no dollar limitation (NDL) and a 55 mph wind speed warranty and a 20 year membrane warranty.

1.02 EXTENT OF WORK

A. Providealllabor,material,tools,equipment,andsupervisionnecessarytocompletetheinstallation of an EPDM membrane Loose Laid Ballasted Roofing System including flashings and insulation as specified herein and as indicated on the drawings in accordance with the manufacturer's most current specifications and details.

B. TheContractorshallbefullyknowledgeableofallrequirementsofthecontractdocumentsandshall make themselves aware of all job site conditions that will affect their work.

C. TheContractorshallconfirmallexistinginformationandadvisethebuildingownerandspecification preparer and manufacturers’ rep, prior to bid, of any conflicts that will affect their cost proposal.

D. TheContractorshallbebondedandfullyinsuredandshallmeetrequirementsoftheschooldistrict included within these bid documents.

E. The Contractor is responsible for attaining applicable local and state permits for the described re-roofing work and disposal of materials.

F. The start of any re-roofing work shall be coordinated with the building owner representativeand roof manufacturers’ representative and successful bidder.

G. The anticipated completion date shall also be mutually agreed upon between all parties involved.

1.03 QUALIFICATIONS

A. Contractor must submit the following a Shop drawings showing layout, details of construction and identification of materials.

b Sample of the manufacturer’s 20 year Total System Warranty.

c Letter of certification from the manufacturer which certifies the Contractor is currently authorizedtoinstallthemanufacturer’sroofingsystemandlistsforemenwhohavereceived training from the manufacturer along with the dates training was received.

d A list of at least 3 projects similar in scope to the re-roofing work described in this project.

B. Roofing workistobecompletedbyanAuthorizedCarlisle“HallofFame”ESP,Perfection10,status roofing Contractor. Contractors providing alternatives to Carlisle products must demonstrate substantially similar experience andexpertiseintheconstruction,design,andrenovationofschool facilitiesaswellastheabilitytoevaluatethephysicalconditionofroofs.Biddermustprovidealistof at least 3 projects comparable to the scope of the re-roofing work described in this project.

1.04 PRODUCT DELIVERY, STORAGE AND HANDLING

A. Deliver materials to the job site in the manufacturer's original, unopened containers or wrappings with the manufacturer's name, brand name and installation instructions intact and legible. Deliver in sufficient quantity to permit work to continue without interruption.

B. Comply with the manufacturer's written instructions for proper material storage.

C. Store materials, except membrane, between 60F and 80F in dry areas protectedfromwaterand direct sunlight. If exposed to lower temperature, restore to 60F minimum temperature before using.

D. Store materials containing solvents in dry, well-ventilated spaces with proper fire and safety precautions. Keep lids on tight. Use before expiration of their shelf life.

E. Insulation must be on pallets, off the ground and tightly covered with waterproof materials.

F. Any materials which are found to be damaged shall be removedandreplacedattheapplicator's expense.

1.05 WORK SEQUENCE

A. Schedule and execute work to prevent leaks and excessive traffic on completed roof sections.

Extremecareshouldbeexercisedtoprovideprotectionfortheinteriorofthebuildingandtoensure water does not flow beneath any completed sections of the membrane system.

B. Do not disrupt activities in occupied spaces.

C. The start of any re-roofing work shall be coordinated with the building owners’ rep and the successful bidder. The completion date shall beagreedbetweentheSchoolDistrictandsuccessful Contractor.

1.06 USE OF THE PREMISES

A. Before beginning work, the Contractor must secure approval from the building owner's representative for the following:

a. Areas permitted for personnel parking.

b. Access to the site.

c. Areas permitted for storage of materials and debris.

d. Areas permitted for the location of cranes, hoists and chutes for loading and unloading materials to and from the roof.

B. Interior stairs or elevators may not be used for removing debris ordeliveringmaterials,exceptas authorized by the building superintendent.

1.07 EXISTING CONDITIONS

If discrepancies are discovered between the existing conditions and those noted on the drawings, immediatelynotifytheowner'srepresentativebyphoneandsolicitthemanufacturer'sapprovalpriorto commencing with the work. Necessary steps shall be taken to make thebuildingwatertightuntilthe discrepancies are resolved.

1.08 PRE-BID JOBSITE INSPECTION

A. Site Examination and Condition Verification: Prior to the submission of a Bid proposal, the Contractor is strongly encouraged to conduct a thorough physical inspection ofthefacilityandall applicable roof areas to verify all dimensions, site constraints, and existing conditions. The submission of a Bid shall be deemed prima facie evidence that the Contractor has examinedthe premises, familiarized itself with the nature and extent of the work, and accounted for all local conditions and federal, state, and local requirements. By submitting a Proposal, the Contractor acknowledges and accepts full responsibility for the accuracy of all measurements and site assessments. No subsequent claims for additional compensation or extensions of time will be entertained based on the Contractor’s failure to identify conditions or dimensions that were discoverable through a reasonable pre-bid inspection. Contact Kevin Schuelke to schedule inspection,kschuelke@csdk12.net, 715-762-2474 ext2237.

B. BidsshallacceptedbyLexiWittpriorto2:45pmCSTviaemailatlwitt@csdk12.net,ordeliveredto ChequamegonSchoolDistrict,4209th StN,ParkFalls,WI54552.Electronicproposalsreceivedatthe designatedemailaddresswillbetreatedassealedproposalsandwillnotbeopeneduntiltheofficial bid opening time.

C. Sealed proposals will be received until 2:45p.m.onMarch10,2026.Proposalsreceivedafterthis time will not be accepted and will be returned unopened.

D. All timely received proposals will be publicly opened and read aloud at3:00 p.m. on March 10, 2026.

Lexi A. Witt Business Manager Chequamegon School District 420 9th Street, North Park Falls, WI 54552 Label: 2026 Re-roofing Bid

E. Re-roof Bid Proposals shall be submitted on the enclosed Bid Form only.

F. Anyconditionswhicharenotshownontheshopdrawingsshouldbeindicatedonacopyoftheshop drawing and included with bid submittal if necessary to clarify any conditions not shown.

2026-Partial Re-roofing of Chequamegon School District, Park Falls, WI mailto:kschuelke@csdk12.net mailto:lwitt@csdk12.net

1.09 TEMPORARY FACILITIES AND CONTROLS

A. Temporary Utilities:

a. Water, power for construction purposes and lighting are available at the site and will be made available to the Contractor.

b. Provide all hoses, valves and connections for water from source designated bytheowner when made available.

c. Whenavailable,electricalpowershouldbeextendedasrequiredfromthesource. Provide all trailers, connections and fused disconnects.

B. Temporary Sanitary Facilities

a. Sanitaryfacilitieswillnotbeavailableatthejobsite. TheContractorshallberesponsibleforthe provision and maintenance of portable toilets or their equal.

C. Building Site:

a. The Contractor shallusereasonablecareandresponsibilitytoprotectthebuildingandsite against damages. The Contractor shall be responsible for the correction of any damage incurred as a result of the performance of the contract.

b. The Contractor shall remove all debris from the job siteinatimelyandlegallyacceptable manner so as to not detract from the aesthetics or the functions of the building.

D. Security:

a. Obey the owner's requirements for personnel identification, COVID mitigation strategies, inspection and other security and safety measures.

1.10 JOB SITE PROTECTION

A. The Contractor shall adequately protect building, paved areas, service drives, lawn, shrubs, trees, etc. from damage while performing the required work. Provide canvas, boards and sheet metal (properly secured) as necessary for protection and removeprotectionmaterialatcompletion.The Contractorshallrepairorberesponsibleforcoststorepairallpropertydamagedduringtheroofing application.

B. During the Contractor's performance of the work, the building owner will continuetooccupythe existing building. The Contractor shall take precautions to prevent thespreadofdustanddebris, particularly where such materialmaysiftintothebuilding. TheContractorshallprovidelaborand materials to construct, maintain and remove necessary temporary enclosures to prevent dust or debris in the construction area(s) from entering the remainder of the building.

C. Donotoverloadanyportionofthebuilding,eitherbyuseoforplacementofequipment,storageof debris, or storage of materials.

D. Protect against fire and flame spread. Maintain proper and adequate fire extinguishers.

E. Take precautions to preventdrainsfromcloggingduringtheroofingapplication. Removedebrisat thecompletionofeachday'sworkandcleandrains,ifrequired. Atcompletion,testdrainstoensure the system is free running and drains are watertight. Remove strainers and plug drains in areas where work is in progress. Install flags or other telltales on plugs. Removeplugseachnightand screen drain.

F. Store moisture susceptible materials above ground and protect with waterproof coverings.

G. Remove all traces of piled bulk materials and return the job site to its original condition upon completion of the work.

1.11 SAFETY

A. TheContractorshallberesponsibleforallmeansandmethodsastheyrelatetosafetyandshall comply with all applicable local, state, federal and OSHA requirementsthataresafetyrelated.

SafetyshallbetheresponsibilityoftheContractor. Allrelatedpersonnelshallbeinstructeddaily to be mindful of the full time requirement to maintain a safe environment for the facility's occupantsincludingstaff,visitors,customersandtheoccurrenceofthegeneralpubliconornear the site.

1.12 WORKMANSHIP

A. Applicators installing newroof,flashingandrelatedworkshallbefactorytrainedandapproved by the manufacturer they are representing.

B. All work shall be of highest qualityandinstrictaccordancewiththemanufacturer'spublished specifications and to the building owner's satisfaction.

C. There shall be a supervisor on the job site at all times while work is in progress.

1.13 QUALITY ASSURANCE

A. The manufacturer must have a minimum of 50 years’ experience in the manufacturing of vulcanized thermal set sheeting.

B. Unless otherwise noted in this specification, the Contractor must strictly comply with the manufacturer's current specifications and details.

C. The roofing system must be installed by an applicator authorized and trained by the manufacturerincompliancewithshopdrawingsasapprovedbythemanufacturer. Theroofing applicator shall be thoroughly experienced and upon request be able to provide evidence of having at least 15 years successful experience installing single-ply EPDM roofing systems and havinginstalledatleastthreeroofingapplicationsorseveralsimilarsystemsofequalorgreater size within one year.

D. Provideadequatenumberofexperiencedworkmenregularlyengagedinthistypeofworkwho are skilled in the application techniques of the materials specified. Provide at least one thoroughly trained and experienced superintendent on the job at all times roofing work is in progress.

E. Thereshallbenodeviationsmadefromthisspecificationortheapprovedshopdrawingswithout the prior written approval of the specifier. Any deviationfromthemanufacturer'sinstallation procedures must be supported by a written certification on the Contractor’s letterhead and presented for the specifier's consideration.

F. Uponcompletionoftheinstallation,theapplicatorshallarrangeforaninspectiontobemadeby a non-sales technical representative of the membrane manufacturer in order to determine whether or not correctiveworkwillberequiredbeforethewarrantywillbeissued. Notifythe building owner and installing roofer seventy-two (72) hours prior to the manufacturer's final inspection.

G. The EPDM membrane roofing system specified must achieve a UL Class A rating.

1.14 JOB CONDITIONS, CAUTIONS AND WARNINGS

Refer toCarlisle'sDesign"B"LooseLaidBallastedRoofingSystemspecification,PartII-Application,for General Job Site Considerations.

A. MaterialSafetyDataSheets(MSDS)shouldbeonlocationatalltimesduringthetransportation, storage and application of materials.

B. Whenpositioningmembranesheets,exercisecaretolocateallfieldsplicesawayfromlowspots and out of drain sumps. All field splices should be shingled to prevent bucking of water.

C. When loading materials onto the roof, theCarlisleAuthorizedRoofingApplicatormustcomply withtherequirementsofthebuildingownertopreventoverloadingandpossibledisturbanceto the building structure.

D. Proceed with roofing work only when weather conditions are in compliance with the manufacturer'srecommendedlimitations,andwhenconditionswillpermittheworktoproceed in accordance with the manufacturer's requirements and recommendations.

E. Proceed with work so new roofing materials are not subject to construction traffic. When necessary, new roof sections shall be protected and inspected upon completion for possible damage.

F. Provide protection, such as ½” inch thick plywood, for all roof areas exposed totrafficduring construction. Plywood must be smooth and free of fasteners and splinters.

G. Thesurfaceonwhichtheinsulationorroofingmembraneistobeappliedshallbeclean,smooth, dry, and free of projections or contaminants that would prevent proper application of or be incompatible with the new installation, such as fins, sharp edges, foreign materials, oil and grease.

H. New roofing shall be complete and weather-tight at the end of the work day.

I. Contaminants such as grease, fats and oilsshallnotbeallowedtocomeindirectcontactwith the EPDM roofing membrane.

1.15 WARRANTY

A. The Contractor warrants to the Owner that all materials,equipment,andsuppliesusedinthe work are free from liens, claims or encumbrances, of good quality, andnewunlessotherwise permitted bytheContractDocuments.TheContractoralsowarrantsthattheWorkwillbefree from defects and strictly conform to the requirements of the Contract Documents.

B. TheContractorshallremedyandrepairalldefectiveWorkandmaterialsandpayforanydamage to other Work resulting therefrom, which may appear within the warrantee period,providing such defects and damages are not due to abuseormisusebytheOwner.TheOwnerwillgive notice of defects or damages with promptness.

C. The warrantee period shallbeoneyearfromthedateofSubstantialCompletioninadditionto the 1.15(D) specified 15 year roofing Manufacturer’s non-prorated Warranty.

D. Providemanufacturer'snon-prorated15yearRoofingSystemWarrantycoveringbothlaborand materialwithnodollarlimitation. Themaximumwindspeedcoverageshallbepeakgustsof55 mph measured at 10 meters above ground level. Also provide a 20 yearmembranematerial warranty.

E. Pro-rated Membrane System Warranties shall not be accepted.

F. Contractor only warranties are not acceptable.

PART 2 PRODUCTS

2.01 GENERAL

A. AllcomponentsofthespecifiedroofingsystemshallbeproductsofCarlisleSynTecIncorporated or accepted by Carlisle SynTec Incorporated as compatible.

B. Unless otherwise approved by the specifier and accepted by the membranemanufacturer,all products (including insulation, fasteners, fastening plates and EPDM accessories) must be manufacturedandsuppliedbytheroofingsystemmanufacturerandcoveredbytheTotalSystem warranty.

2.02 MEMBRANE

A. Furnish black .060” non reinforced EPDM (Ethylene, Propylene, Diene Terpolymer) in the largestsheetpossible. Themembraneshallconformtotheminimumphysicalpropertiesof

ASTM D4637.

2.03 INSULATION/UNDERLAYMENT

A. Furnish and install one (1) new layer of Carlisle’s 3” thick flat polyisocyanurate HP (20psi) roof insulation over top of existing insulation. R Value shall be 17.4 and insulation shall meet ASTM C1289-11 Type II, Class 1, Grade 2 (20 psi) compressive strength. If alternative product is quoted, specifications must be provided to demonstrate the product meets the required specifications.

2.04 ADHESIVES AND CLEANERS

All products shall be furnished by Carlisle and specifically formulated for the intended purpose. If alternative products are quoted, biddermustprovidespecificationstodemonstratetheproductmeets the required specifications.

A. Bonding Adhesive: 90-8-30A B. Splicing Cement: EP-95 C. Splice Tape and Primer: 3” wide SecureTape/HP250 D. Cleaning Solvent: Weathered membrane cleaner E. Lap Sealant F. Sealer: Sure-Seal Pourable Sealer

2.05 FASTENERS AND PLATES

To be used for additional membrane securement:

A. HP Fasteners: a threaded, black epoxy electro-deposition coated fastener used with steel, wood, and minimum 3,000 psi structural concrete roof decks.

B. Concrete Spikes: a non-threaded, black epoxy electro-deposition coated fastener used with structural concrete roof decks rated 3,000 psi or greater.

C. Termination Bar Nail-In: A expansion anchor with stainless steel drive pin used for fastening the Sure-Seal Termination Bar or Seam Fastening Plates to concrete, brick, or block walls.

D. Seam Fastening Plates: a 2 inch diameter FM approved metal plate used in conjunction with RUSS or with EPDM membrane for membrane securement.

E. Pressure Sensitive RUSS (Reinforced Universal Securement Strip): a 6 inch wide, 100 foot long strip of Sure-Seal reinforced EPDM membrane with 3” tape.

2.06 METAL FASCIA AND MEMBRANE TERMINATIONS

A. Metal Fascia/Copings: Install new Metal-Era perimeter fascias and counterflashings as designated on the attached drawings. New fascias shall be Metal-Era consisting of 24 ga steel with a standard Kynar finish (cover) and 22 gauge G-90 galvanized steel continuous cleat and warranted for 20 years against fade, chalk and peel. Color shall closely match existing metal trim and panels on building. Provide factory fabricated miters. Fascia System shall meet ANSI/SPRI ES-1 to design pressures of 150lbs/ft2 and shall comply with IBC code requirements

B. Carlisle Termination Bar: a 1 inch wide and .098 inch thick extruded aluminum bar pre-punched 6 inches on center; incorporates a sealant ledge to support Lap Sealant and provide increased stability for membrane terminations.

2.07 BALLAST

A. Rounded Water-Worn Gravel (Reuse of existing stone ballast is acceptable)

a. Nominal 1-1/2 to 2 inch rounded water-worn gravel which conforms to gradation #4 when sized in accordance with ASTM D 448 method of sizing. Coverage rate shall be no less than 1000 pounds per 100 square feet and gravel must be evenly distributed to maintain an average of 10 pounds per square foot.

2.08 WALKWAYS

A. Protectivesurfacingforrooftrafficshallbe2’x2’concretepavers(minimum18poundsper square foot) installed with Sure-Seal HP Protective Mat or an additional layer of EPDM membrane or Carlisle molded rubber 30” x 30” walkway pads. Price per walkway unit installed as requested on the bid form.

PART 3 EXECUTION

3.01 GENERAL

A. Comply with the manufacturer's published instructions for the installation of the membrane roofing system including proper substrate preparation, jobsite considerations and weather restrictions.

B. Position sheets to accommodate contours of the roof deck and shingle splices to avoid bucking water.

3.02 INSULATION PLACEMENT

A. Install any new insulation or membrane underlayment over the substrate or existing roof insulation with boards buttedtightlytogetherwithnojointsorgapsgreaterthan1/4inch.

Stagger joints both horizontally and vertically if multiple layers are provided.

3.03 MEMBRANE PLACEMENT

A. Unroll and position membrane without stretching. Allow the membrane to relax for approximately 1/2 hour prior to splicing.

B. Install adjoining membrane sheets in the same manner, overlapping edges approximately 4 inches.

3.04 MEMBRANE SPLICING (Tape Splice)

A. Follow guidelines set forth by Carlisle Syntec for proper installation of SecureTape. Prime mating surfaces of EPDM membranes with primer. Install 3” wide tape.

B. Remove the release plastic film and press the top sheet onto the tape using hand pressure.

C. Roll the seam toward the splice edge with a 2 inch wide steel roller and apply Lap Sealant in accordance with the manufacturer's requirements.

3.05 FLASHING

A. Wall and curb flashing shall be cured EPDM membrane. Continue the deck membrane as wall flashing where practicable.

B. Follow manufacturer's typical flashing procedures for all wall, curb, and penetration flashing including metal edging/coping and roof drain applications.

3.06 BALLASTING

A. Install ballast in accordance with the manufacturer's installation instructions.

B. Install ballast evenly without bare spots to provide complete coverage over the membrane.

C. Comply with published ANSI (American National Standards Institute) ANSI/RMA/SPRI RP-4 guidelines (dated October 6, 1988) concerning applicable coverage rates.

3.07 WALKWAYS

A. Install concrete pavers with Sure-Seal HP Protection Mat or an additional layer of EPDM membrane at all traffic concentration points (such as roof hatches, access doors, rooftop ladders, etc.) and all locations as identified on the specifier's drawing.

B. The protection layer must extend approximately 2 - 3 inches under the ballast on each side of the walkway.

3.08 DAILY SEAL

A. On phased roofing, when the completion of flashings and terminations is not achieved by the end of the workday, the Contractor is responsible for a proper daily seal and must be performed to temporarily close the membrane to prevent any water infiltration.

B. Use Sure-Seal Pourable Sealer, splice tape or other acceptable membrane seal in accordance with the manufacturer's requirements.

3.09 CLEAN UP

A. Perform daily clean-up to collect all wrappings, empty containers, paper, and other debris from the project site. Upon completion, all debris must be disposed of in a legally acceptable manner.

B. Prior to the manufacturer's inspection for warranty, the applicator must perform a pre-inspection to review all work and to verify all flashing has been completed as well as the application of all caulking.

PART 4: PAYMENT TERMS

A. If progress payments will be required, the payments will be made monthly. Payment requests shall be accompanied by Partial Lien Waivers from the General Contractor and all subcontractors and material men whose costs are included in each payment request. A 10% retainage will be deducted from each progress payment up to 50% completion. A 5% retainage will be deducted from progress payments after 50% completion.

B. Contractors are requested to include a Schedule of Values with this bid proposal response. Final payment will be made after the Manufacturer’s Warranty is issued to the District and Final Lien Waivers are received from the General Contractor and all subcontractors and material men who have furnished labor and materials to the project.

END OF SPECIFICATION