ADDENDUM NO. 1. By: David J. Davenport, AIA Architect

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1 ADDENDUM NO. 1 Date: January 14, 2010 Project No: Pettigrew State Park, SCO ID#: A Project: New Maintenance Area, Office Improvements & Pocosin Natural Area Improvements The following Addenda clarify and change the requirements the contract documents. Please note on you Bid receipt of this Addenda. Bidding Contractors are hereby informed that the Contract documents are modified as follows. Please make the corrections to your documents: 1. Please note the bid date has changed for the project. To clarify, the receipt of Bids along with the required Bonds and MBE documents are to be delivered in a sealed envelope with your name and license number to the Pettigrew State Park field office no later than 2:00pm on February 12, Prebid: An addition on-site Prebid meeting is scheduled for Friday Jan 22@ 11:00am. Contractors present at the January 8 th meeting do not need to attend this meeting. It is mandatory that you attend one of these meeting to submit a bid for the project. 3. Attached is a revised specification section tiling for incorporation into the project documents. The specification section has been revised to indicate the preferred method for installing ceramic tile in the walls and floor. 4. In reference to section Overhead Doors, 1.3 D seismic qualification certificates, please disregard this requirement. Seismic certificates are not necessary. 5. In reference to section H locking devices, please provide slide bolt locking devises 6. In reference to section I, manual door operator, the specification asks for throughwall shaft operation, this is not necessary. Please note the overhead door is manual. 7. In reference to section D door curtain material, please provide painted, galvanized steel. 8. Refer to detail 2/A202 building section; it has been brought to our attention that there may not be adequate clearance for some manufacturers for the taller overhead coiling door. Please confirm that door in your bid will work with in the space provided or provide a statement inducting what height door will work with the proposed bearing height. By: David J. Davenport, AIA Architect

2 Pettigrew State Park, SCO 10# A SECTION TILING PART 1 - GENERAL 1.1 SUMMARY Section Includes: 1. Ceramic tile. 2. Waterproof membrane. 3. Tile backing panels. 4. Metal edge strips. 1.2 SUBMITTALS Product Data: For each type of product indicated. B. LEED Submittal: 1. Product data for Credit EQ 4.1: For [adhesives] [and] [sealants], including printed statement ofvoc content. C. Samples: 1. Each type and composition of tile and for each color and finish required. PART 2 - PRODUCTS 2.1 TILE PRODUCTS ANSI Ceramic Tile Standard: Provide Standard grade tile that complies with ANSI A for types, compositions, and other characteristics indicated. B. Tile Type [et-i, Bathroom and Shower Floors]: Factory-mounted [unglazed] ceramic mosaic tile. 1. Manufacturers: Subject to compliance with requirements, [available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following]: 2. Basis-of-Design Product: Subject to compliance with requirements, provide Daltile, Keystones, color: Urban Putty Speckle or comparable product by one of the following: a. American Olean; Division of Dal-Tile International Inc. b. Crossville, Inc. c. Daltile; Division ofdal-tile International Inc. d. Deutsche Steinzeug America, Inc TILING 02/17/2010

3 Pettigrew State Park, SCO ID# A e. Interceramic. f. Grupo Porcelanite. 3. Composition: Porcelain 4. Module Size: [2 b. 2 inches] 5. Thickness: 1/4 inch. Use 1/8" grout joint. 6. Face: [Pattern of design indicated,] with cushion edges. 7. Surface: [Slip-resistant, with] abrasive admixture. 8. Tile Color and Pattern: [As selected by Architect from manufacturer's full range] 9. Grout Color: Ivol-Y 10. Trim Units: Coordinated with sizes and coursing of adjoining flat tile where applicable[ and matching characteristics of adjoining flat tile] C. Tile Type [CT-2, Bathroom and Shower walls]: [Glazed] ceramic mosaic tile. 1. Manufacturers: Subject to compliance with requirements, [available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following]: 2. Basis-of-Design Product: Subject to compliance with requirements, provide Daltile, Folio One, color: Snow Drift or comparable product by one of the following: a. American Olean; Division of Dal-Tile International Inc. b. Crossville, Inc. c. Daltile; Division ofdal-tile International Inc. d. Deutsche Steinzeug America, Inc. e. Interceramic. f. Grupo Porcelanite. 3. Composition: Porcelain 4. Module Size: [6 by 6 inches] 5. Thickness: 3/8 inch. Use 3/16" grout joint. 6. Face: [Pattern of design indicated,] with cushion edges. 7. Tile Color and Pattern: [As selected by Architect from manufacturer's full range] 8. Grout Color: white 2.2 THRESHOLDS General: Fabricate to sizes and profiles indicated or required to provide transition between adjacent floor finishes. 1. Bevel edges at 1:2 slope, with lower edge of bevel aligned with or up to 1/16 inch above adjacent floor surface. Finish bevel to match top surface of threshold. Limit height of threshold to 1/2 inch or less above adjacent floor surface. B. Marble Thresholds: ASTM C 503, with a minimum abrasion resistance of [10] per ASTM C 1353 or ASTM C 241 and with honed finish. 1. Description: Uniform, fine- to medium-grained white stone with gray veining TILING

4 Pettigrew State Park, SCO ID# A 2.3 TILE BACKING PANELS Cementitious Backer Units: ANSI A118.9 or ASTM C a. National Gypsum, Permabase b. Custom Building Products; Wonderboard. c. FinPan, Inc.; Util-A-Crete Concrete Backer Board. d. USG Corporation; DUROCK Cement Board. 2. Thickness: [1/2 inch] 2.4 WATERPROOF MEMBRANE General: Manufacturer's standard product[, selected from the following,] that complies with ANSI A and is recommended by the manufacturer for the application indicated. B. Fluid-Applied Membrane: Liquid-latex rubber or elastomeric polymer. a. Boiardi Products, a QEP company; Elastiment 644 Membrane Waterproofing System. b. Bonsai American, an Oldcastle company; B 6000 Waterproof Membrane. c. Bostik, Inc.; [DlHrabond D-222 Duraguard Membrane] [Hydroment Gold]. d. C-Cure; Pro-Red Waterproofing Membrane 63. e. Custom Building Products; Redgard Waterproofing and Crack Prevention Membrane. f. lamo Inc.; Waterproof. g. Laticrete International, Inc.; [Latapoxy 24hr HydroProofing] [Laticrete Watertight Floor N' Wall Waterproofing]. h. MAPEl Corporation; Mapelastic HPG. 1. Southern Grouts & Mortars, Inc.; Southcrete 1100 Crack Suppression and Waterproofing. J. TEC, a subsidiary of H. B. Fuller Company; HydraFlex - Waterproofing Crack Isolation Membrane. C. Latex-Portland Cement: Flexible mortar consisting of cement-based mix and latex additive. a. Boiardi Products, a QEP company; Elastiment323 Cement Based Waterproofing, Anti-Fracture/Crack Suppression Membrane. b. C-Cure; UltraCure 971. c. MAPEl Corporation; Mapelastic (PRP 315). d. Southern Grouts & Mortars, Inc.; Southcrete TILING /2010

5 Pettigrew State Park, SCO ID# IA e. TEC, a subsidiary of H. B. Fuller Company; Triple Flex Waterproofing, Crack Isolation Membrane & Mortar. 2.5 SETTING MATERIALS B. Portland Cement Mortar (Thickset) Installation Materials: ANSI Al Latex-Portland Cement Mortar: ANSI AII8 1. Manufacturers: Subject to compliance with requirements, [available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following]: a. Bonsai American; an Oldcastle company. b. Custom Building Products. c. Laticrete International, Inc. d. MAPEl Corporation. e. Mer-Kote Products, Inc. f. Southern Grouts & Mortars, Inc. g. Summitville Tiles, Inc. 2. Prepackaged, dry-mortar mix to which only water must be added. 3. Prepackaged, dry-mortar mix combined with liquid-latex additive. 4. For wall applications, provide nonsagging mortar. 2.6 GROUT MATERIALS B. Sand-Portland Cement Grout: ANSI Al 08.1 O. Standard Cement Grout: ANSI A Manufacturers: Subject to compliance with requirements, [available manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following]: a. BonsaI American; an Oldcastle company. b. Custom Building Products. c. lamo Inc. d. Laticrete International, Inc. e. MAPEl Corporation. f. Southern Grouts & Mortars, Inc. g. Summitville Tiles, Inc. 2.7 ELASTOMERIC SEALANTS General: Provide sealants, primers, backer rods, and other sealant accessories that comply with the following requirements and with the applicable requirements in Division 07 Section "Joint Sealants." TILING 4 02/17/2010

6 Pettigrew State Park, SCO ID# A 1. Use sealants that have a VOC content of [250] gil or less when calculated according to 40 CFR 59, Subpart D (EPA Method 24). B. One-Part, Mildew-Resistant Silicone Sealant: ASTM C 920; Type S; Grade NS; Class 25; Uses NT, G, A, and, as applicable to nonporous joint substrates indicated, 0; formulated with fungicide, intended for sealing interior ceramic tile joints and other nonporous substrates that are subject to in-service exposures of high humidity and extreme temperatures. a. DAP Inc.; [Titanium Enriched Kitchen and Bath Sealant] [100 percent Silicone KitcheJll and Bath Sealant). b. Dow Corning Corporation; Dow Corning 786. c. GE Silicones, a division of GE Specialty Materials; Sanitary d. Laticrete International, Inc.; Latasil Tile & Stone Sealant. e. Pecora Corporation; Pecora 898 Sanitary Silicone Sealant. f. Tremco Incorporated; Tremsil 600 White. 2.8 MISCELLANEOUS MATERlALS Trowelable Underlayments and Patching Compounds: Latex-modified, portland cement-based formulation provided or approved by manufacturer of tile-setting materials for installations indicated. B. Metal Edge Strips: Angle or L-shape, [nickel silver] or [stainless steel, ASTM A 666, 300 Series] exposed-edge material. C. Grout Sealer: Manufacturer's standard[ silicone] product for sealing grout joints and that does not change color or appearance of grout. a. BonsaI American, an Oldcastle company; Grout Sealer. b. Bostik, Inc.; CeramaSeal [Grout & Tile Sealer] [Magic Seal] [Silox 8] [Siloxane 220). c. C-Cure; Penetrating Sealer 978. d. Custom Building Products; [Surfaceguard] [Grout and Tile] [Grout] Sealer. e. lamo Inc.; [Matte Finish] [penetrating] Sealer. f. MAPEl Corporation; KER [003, Silicone Spray Sealer for Cementitious Tile Grout] [004, Keraseal Penetrating Sealer for Unglazed Grout and Tile). g. Southern Grouts & Mortars, Inc.; Silicone Grout Sealer. h. Summitville Tiles, Inc.; SL-15, Invisible Seal Penetrating Grout and Tile Sealer. 1. TEC, a subsidiary ofb. B. Fuller Company; [TA-256 Penetrating Silicone] [TA 257 Silicone] Grout Sealer TILING 5 02/17/2010

7 Pettigrew State Park, SCO 1D# A PART 3 - EXECUTION 3.1 EXAMINATION Examine substrates, areas, and conditions where tile will be installed, with Installer present, for compliance with requirements for installation tolerances and other conditions affecting performance of installed tile. 1. Verify that substrates for setting tile are firm, dry, clean, free of coatings that are incompatible with tile-setting materials including curing compounds and other substances that contain soap, wax, oil, or silicone; and comply with flatness tolerances required by ANSI Al for installations indicated. 3.2 PREPARATION B. c. D. Fill cracks, holes, and depressions in concrete substrates for tile floors installed with [adhesives] [or] [thin-set mortar] with trowelable leveling and patching compound specifically recommended by tile-setting material manufacturer. Where indicated, prepare substrates to receive waterproofing by applying a reinforced mortar bed that complies with ANSI AI08.1A and is sloped t/8 inch per foot toward drains. Blending: For tile exhibiting color variations, use factory blended tile or blend tiles at Project site before installing. Field-Applied Temporary Protective Coating: If indicated under tile type or needed to prevent grout from staining or adhering to exposed tile surfaces, precoat them with continuous film of temporary protective coating, taking care not to coat unexposed tile surfaces. 3.3 INSTALLATION Comply with the Tile Council of North America, Inc. (TCNA), "Handbook for Ceramic Tile Installation and the American National Standard AI08/A118/A " (ceramic tile installation and materials standards). 1. For the following installations: a. Floor, Interior, Concrete Subfloor and waterproof membrane: I) TCA F t21, cement mortar bed. 2) TCA F122, thin set. b. Walls, Interior, wood studs, cement and backing board: 1) TCA W23 1, cement mortar. B. C. Extend tile work into recesses and under or behind equipment and fixtures to form complete covering without interruptions unless otherwise indicated. Terminate work neatly at obstructions, edges, and corners without disrupting pattern or joint alignments. Accurately form intersections and returns. Perform cutting and drilling of tile without marring visible surfaces. Carefully grind cut edges of tile abutting trim, finish, or built-in items for TILING 6 02/

8 Pettigrew State Park, SCO ID# A straight aligned joints. Fit tile closely to electrical outlets, piping, fixtures, and other penetrations so plates, collars, or covers overlap tile. D. Jointing Pattern: Lay tile in grid pattern unless otherwise indicated. Layout tile work and center tile fields in both directions in each space or on each wall area. Layout tile work to minimize the use of pieces that are less than half of a tile. Provide unifonn joint widths unless otherwise indicated. E. Joint Widths: Unless otherwise indicated, install tile with the following joint widths: 1. Floor Tile: [1/8 inch] 2. Glazed Wall Tile: [3/16 incbj. F. Expansion Joints: Provide expansion joints and other sealant-filled joints, including control, contraction, and isolation joints, where indicated. Fonn joints during installation of setting materials, mortar beds, and tile. Do not saw-cut joints after installing tiles. 1. Where joints occur in concrete substrates, locate joints in tile surfaces directly above them. 2. Prepare joints and apply sealants to comply with requirements in Division 07 Section "Joint Sealants." G. Stone Thresholds: Install stone thresholds in same type of setting bed as adjacent floor unless otherwise indicated. 1. At locations where mortar bed (thickset) would otherwise be exposed above adjacent floor finishes, set thresholds in latex-portland cement mortar (thin set). H. Metal Edge Strips: Install [at locations indicated] [where exposed edge of tile flooring meets carpet, wood, or other flooring that finishes flush with top of tile] [wher'e exposed edge of tile flooring meets carpet, wood, or other flooring that finishes flush with or below top of tile and no threshold is indicated]. I. Grout Sealer: Apply grout sealer to[ cementitious] grout joints[ in tile floors] according to grout-sealer manufacturer's written instructions. As soon as grout sealer has penetrated grout joints, remove excess sealer and sealer from tile faces by wiping with soft cloth. J. Install [cementitious backer units] and treat joints according to ANSI Al and manufacturer's written instructions for type of application indicated.[ Use latex-portland cement mortar for bonding material unless otherwise directed in manufacturer's written instructions.] K. Install waterproofing to comply with ANSI AI08.13 and manufacturer's written instructions to produce waterproof membrane of unifonn thickness and bonded securely to substrate. L. Install crack isolation membrane to comply with ANSI AI08.17 and manufacturer's written instructions to produce membrane of unifonn thickness and bonded securely to substrate. END OF SECTION TILING 7 02/17/2010