TOWN OF BARNSTABLE

A D D E N D U M # 1

DATE:April 5, 2017

TO: All Bidders

FROM:Johanna Boucher, Chief Procurement Officer

PROJECT2017 Barnstable Dog Park Project, IFB dated 4/3/17

BID DUE DATE: APRIL 28, 2017, 2 PM

PRE-BID MEETING: 4/21/17, 2 PM, Project site, entrance of Hathaway Pond, Phinney’s Lane, Barnstable, MA

The following items shall modify or be added to the Bid Documents and Project Manual. This addendum forms part of the Contract Documents and modifies the original bidding documents. Portions of the Bidding and Contract Documents not altered by this addendum remain in full force. These addendum form part of the Contract Documents and as such, ALL BIDDERS SHOULD ACKNOWLEDGE IT ON THE FORM FOR GENERAL BID. FAILURE TO DO SO COULD RESULT IN THE REJECTION OF YOUR BID.

GENERAL QUESTIONS:

  1. Page one of the bid document states that the bid is due 4/13/17, but the legal ad states that it is due 4/28/17, 2pm

Answer: The title page of the bid has a typo. The bid is due 4/28/17, no later than 2 pm to the Chief Procurmeent Officer, 230 South Street, 3rd Floor, Hyannis, MA

Johanna Boucher, Chief Procurement Officer

, 508-862-4741

Addenda 11

SECTION 09770 - SPECIAL WALL SURFACING - ALTERNATE 1 WORK

PART 1: GENERAL

1.01Summary

A.SectionIncludes:Durable,decorativewall panelswith smoothor textured finishes.Mountinghardware,adhesives,accessories andtrims.

B.RelatedSections:

1.Division06Section:RoughandFinishCarpentry.

2.Division09Section:GypsumBoardAssemblies.

1.02References

A.General:Standardslistedbyreference,includingrevisionsbyissuing authority,forma part ofthis specificationsectionto theextentindicated.

Standardslistedareidentifiedbyissuingauthority,authorityabbreviation,designationnumber,title or otherdesignationestablishedbyissuing authority.Standardssubsequentlyreferencedherein are referredto byissuingauthorityabbreviationandstandarddesignation.

B.ASTMInternational:

1.ASTME84StandardTestMethodforSurfaceBurningCharacteristicsofBuildingMaterials.

2. ASTMD256StandardTestMethodsforDeterminingtheIzodPendulumImpactResistanceof Plastics.

3. ASTMD638StandardTestMethodforTensilePropertiesofPlastics.

4. ASTMD790StandardTestMethodsforFlexuralPropertiesofUnreinforcedandReinforcedPlasticsandElectrical

InsulatingMaterials.

5. ASTMD2583StandardTest MethodforIndentationHardnessofRigidPlasticsby Means ofa BarcolImpressor.

1.03SystemDescription

A.PerformanceRequirements:Providedurable,decorativewallpanels whichhavebeenmanufacturedandinstalledto maintainperformance criteria stated bymanufacturerwithout defects,damageor failure.

1.04Submittals

A.Product Data: Submitmanufacturer’sproductdata, storage,handlingandpreparationrequirementsandinstallationinstructions.

B.ShopDrawings:Submit shopdrawings showinglayout,profiles andproduct components, includinganchorage,accessories,

finishcolors, patterns and textures.Indicatelocationanddimensionofjointsand fastenerattachment.

C.Samples: Submit selectionandverificationsamples forfinishes, colorsandtextures.Submit 2samples ofeachtypeof panel, trimandfastener.

General:Firmexperiencedin successfulproductionofwallsystemsimilarto thatindicatedfortheProject. QualityAssurance/ControlSubmittals: Submit thefollowing:

1.Test Reports:Certifiedtest reports showing compliancewith specifiedperformancecharacteristicsand physical properties.

2.Certificates:

a.Submitmanufacturer’s certificatethatproductsmeet orexceed specified requirements.

b.Submitcertificateofinstaller’s qualifications.

3.Manufacturer’sInstructions:Manufacturer’sinstallationinstructions. F.CloseoutSubmittals:Submitthe following:

1.OperationsandMaintenanceData:Operationandmaintenancedata forinstalled productsin accordancewithDivision01CloseoutSubmittals (Maintenance DataandOperationData)Section. Includemethodsformaintaininginstalledproductsandprecautionsagainstcleaningmaterials and methods detrimentalto finishesandperformance.

2.Warranty documentsspecifiedherein.

1.05Quality Assurance

A.Installer Qualifications:Installershallhaveaminimumof5yearsexperiencewith compositewall panelworksimilarin scope

and size to thisproject.

B.Pre-installationMeetings: Host on site pre-installation meeting. Attendees to include installer, general contractor, and owner. Review procedures for wall surfacing installation

1.06Delivery,StorageHandling

A.General:ComplywithDivision01ProductRequirementsSection.

B.LeadTime:Complywithmanufacturer’sorderinginstructionsandlead timerequirementstoavoidconstructiondelays.

C.Delivery:Delivermaterialsinmanufacturer’s original, unopened, undamaged containerswithidentificationlabelsintact.

D.Storageand Protection:Storematerials protected fromexposure toharmfulenvironmentalconditionsandattemperatureand humidity conditions recommendedby themanufacturer.

1.Storepanelsindoors.

2.Lay panelsflat.Donotstandpanelsonedge.

3.Protectpanelsfrommoisture.

4.Donotstorepanelsin contactwith the floororagainst anoutsidewall.

5.Donot removeprotective filmfrompanelsurfaceuntilafterinstallation(if applicable).

6.Maintainoptimumstorage conditionsof60-75degreesF (16-24degreesC) at35-55% relative humidity.Avoidextremesin temperatureandhumidity.

E.Handling:Removeforeignmatterfromfaceof panelbyusinga softbristlebrush, avoidingabrasiveaction.

1.07Project/SiteConditions

A.EnvironmentalRequirements:

1.Installation shall not beginuntilbuildingisenclosed,permanent heatingand coolingequipmentisin operationandresidualmoisture fromplaster,concreteorterrazzowork hasdissipated.

2.Installpanels between60degreesF-75degreesF(15-24degreesC)andrelativehumidity below 55%,ideally atthe same conditionsastheroom’snormal operatingtemperaturesafterbuildingis occupied.

3.Provideventilation todispersefumesduring applicationof adhesiveas recommendedby adhesive manufacturer.

4.Donotinstallwallsystemuntilnormallighting conditionsexist.Normallightingconditions are describedasthoseinplacewhentheprojectisfinished.

B.FieldMeasurements:Verifyactualmeasurements/openings by field measurements beforefabrication;show recorded measurements on shopdrawings.Coordinate fieldmeasurements and fabrication schedulewithconstructionprogresstoavoid constructiondelays.

1. Wall,ceilings,floors andopeningsmustbelevel, plumb,straight,in-lineand square

1.08Warranty

A.Project Warranty:Referto ConditionsoftheContractforprojectwarrantyprovisions.

B.Manufacturer’s Warranty:Submit,forOwner’sacceptance,manufacturer’sstandardwarranty document executedby authorized company official.Manufacturer’swarranty isinadditionto,andnotalimitationof,otherrights Owner mayhave under ContractDocuments.

PART2:PRODUCTS

2.01CompositeWallPanels

A.Manufacturer:Nudo or approved

B. Proprietary Products/Systems:Compositewallceilingpanels, includingthe following:

FibeLite®FRPWallPanels:

FiberLite: FiberglassReinforcedPlastic(FRP) panel

Texture:Smooth, High PressureLaminate(HPL):NA Thickness: 0.090"

Fire-RatingClass:A

Color: To be selected by the Owner from Manufacturers standard colors

Moldings To be selected by the Owner from Manufacturers standard

PART3:EXECUTION

3.03Preparation

A.Comply withtheinstructionsandrecommendations of thedurable,decorativewallpanelmanufacturer.

SiteVerificationofConditions: Verify substrateconditions, whichhavebeenpreviously installedunderother sections, are acceptable forproduct installationinaccordancewithmanufacturer’s instructions. Verifythat siteconditionsareacceptablefor installationofdurable, decorativewallpanels. Examineback-upsurfaces todeterminethat corners areplumbandstraight,surfaces aresmooth,uniform, cleanandfree fromforeignmatter,nails are countersunk andjoints andcracks are filledflushandsmoothwith theadjoiningsurface. Donot proceedwithinstallationofdurable,decorativewallpanels until unacceptable conditions are corrected.

3.04Installation: Install in strict accordance to Manufacturers recommendations

END OF SECTION 09770

SPECIAL WALL SURFACING09770 - 1

Copyright 2005 by The American Institute of Architects (AIA)

Exclusively published and distributed by Architectural Computer Services, Inc. (ARCOM) for the AIA

SECTION 07311 - ASPHALT SHINGLES

PART 1 - GENERAL

1.1SECTION REQUIREMENTS

  1. Submittals: Product Data and Samples.
  2. Identify each bundle of shingles with appropriate markings of UL or another testing and inspecting agency acceptable to authorities having jurisdiction.
  3. Exterior Fire-Test Exposure: ASTME108 or UL790, ClassA.
  4. Wind-Resistance-Test Characteristics: ASTMD3161 or UL997, passed.
  5. Warranties: Provide standard manufacturer's written warranty, signed by manufacturer agreeing to promptly repair or replace asphalt shingles that fail in materialsor workmanship within 30 years from date of Substantial Completion.

PART 2 - PRODUCTS

2.1ASPHALT SHINGLES

  1. Fiberglass Shingles: ASTMD3462 and as follows:
  2. Laminated-Strip Asphalt Shingles: Laminated, multi-ply overlay construction, mineral-granule surfaced, and self-sealing. Straight cut butt edge.
  3. Shingles to be CertainTeed Landmark Atlantic Blue Shingle: This is the Hyannis Water Departments standard shingle product.
  4. Shingles shall be installed as required to meet high wind prone areas. Install with a minimum 6 nails pattern as shown on manufactures instructions for high wind prone areas.

2.2ACCESSORIES

  1. Starter Strip Shingles: Manufacturers standard starter strip shingles required
  2. Felts: Two layers 15# asphalt-saturated organic felts.
  3. Self-Adhering Sheet Underlayment: ASTMD1970, SBS-modified asphalt; mineral-granule or slip-resisting-polyethylene surfaced; with release paper backing; cold applied.
  4. Ridge Vent: Rigid UV-stabilized plastic ridge vent as recommended by the roofing manufacturer; for use under ridge shingles.
  5. Asphalt Roofing Cement: ASTMD4586, TypeII, asbestos free.
  6. Roofing Nails: Stainless-steel Shingle nails, as recommended by the roofing manufacturer, of sufficient length to penetrate at least 1/8 inchthrough plywood sheathing.
  7. Sheet Metal Flashing and Trim: Comply with requirements in Division7 Section "Sheet Metal Flashing and Trim."
  8. Sheet Metal: Aluminum
  9. Fabricate sheet metal flashing and trim to comply with recommendations in SMACNA's "Architectural Sheet Metal Manual."
  10. Drip Edge: Formed sheet metal with at least a 2-inchroof deck flange and a 1-1/2-inchfascia flange with a 3/8-inchdrip at lower edge. Color White

PART 3 - EXECUTION

3.1INSTALLATION

  1. Comply with recommendations in ARMA's "Residential Asphalt Roofing Manual" and with asphalt shingle recommendations in NRCA's "The NRCA Roofing and Waterproofing Manual."
  2. Apply self-adhering sheet underlayment at eaves and rakes from edges of roof to at least 36 inchesinside exterior wall line.
  3. Apply self-adhering sheet underlayment at valleys extending 18 incheson each side.
  4. Install valleys complying with ARMA and NRCA instructions. Construct woven and closed-cut valleys.
  5. Install metal flashings and other sheet metal to comply with requirements in Division7 Section "Sheet Metal Flashing and Trim," recommendations in ARMA's "Residential Asphalt Roofing Manual," and asphalt shingle recommendations in NRCA's "The NRCA Roofing and Waterproofing Manual."
  6. Install first and remaining courses of asphalt shingles stair-stepping diagonally across roof deck with manufacturer's recommended offset pattern at succeeding courses, maintaining uniform exposure.

END OF SECTION 07311

Asphalt Shingles07311 - 1

End of Addenda No. 1