Specification Section Storefront Systems has been revised. Omit previously issued Storefront section.

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1 December 28, 2018 ADDENDUM NO. 2 To: Re: Bidders Corey Pitts, NewQuest Properties This Addendum forms a part of the contract documents identified above. Acknowledge the receipt of this Addendum on the bid form. Failure to do so may subject the bidder to disqualification. Item No. 1: Item No. 2: Specification Section Storefront Systems has been revised. Omit previously issued Storefront section. Where noted on drawings for concrete to be colored, stained, or stamped, concrete is to be integrally colored with medium sandpaper like finish. There will not be any stained or stamped concrete on this project. Chromix Admixture cured with Lithochrome Colorwax. Color to be determined. L.M. Scofield Company 1/ Provide full range of color samples for Owner selection. Provide 2-0 x 2-0 mockup of Owner selected color(s) for approval prior to work. END OF ADDENDUM NO Bering Drive Suite 410 Houston, Texas Members American Institute of Architects Fax

2 Page 1 of 5 PART - GENERAL 1.01 WORK INCLUDED A. Aluminum framing, swing doors, frames and trim for exterior installation, complete with glass and glazing. B. All sealant work required to make storefront assembly watertight. C. The requirements of this section are in addition to the requirements of the General Conditions, Supplementary Conditions and Division RELATED WORK A. Glass and Glazing, Section B. Door Hardware and Weatherstripping, Section REFERENCE STANDARDS A. Requirements, abbreviations and acronyms for reference standards are defined in Section B. ASTM B221-Aluminum-Alloy Extruded Bars, Rods, Wire, Shapes, and Tubes. C. FS TT-C-494-Coating Compound, Bituminous, Solvent Type, Acid Resistant. D. FS TT-S Sealing Compound: Elastomeric Type, Single Component (for Caulking, Sealing and Glazing in Buildings and Other Structures.) E. Latest edition of Texas Accessibility Standards 1.04 SHOP DRAWINGS AND PRODUCT DATA A. Submit the following in accordance with Section 01340: 1. Shop drawings and product data clearly indicating the following: a. Elevations of aluminum frames/door systems b. Sash systems, details and method of anchorage to openings c. Details of construction. Method of assembling frames

3 Page 2 of 5 d. Locations and installations of hardware e. Size, shape and thickness of doors and framing materials f Joints and connections, and details of joining with other work g. Hardware types, styles and hardware finishes h. Aluminum finish for doors and frames. Clearly describe the mil thickness of anodized finish as specified B. Certification: Submit with each shop drawing a copy of manufacturers certificate indicating the mil thickness of anodized aluminum DELIVERY OF MATERIALS A. Deliver material in manufacturer's packaging complete with installation instructions. PART 2 - PRODUCTS 2.01 MANUFACTURER A. Available manufacturers: Subject to compliance with requirements manufacturers offerings products that may be incorporated in the work include, but are not limited to the following: 1. Kawneer 2. Oldcastle 3. Tubelite 2.02 STOREFRONT SYSTEM A. Finish and Color 1. Anodized aluminum finish: architectural class II coating conforming to Aluminum Association Standard AA- M12C22A31, 0.4 mil. minimum, electrolytically to deposited anodic coating; see drawings for color. 2. This specification is for pricing only. Verify finish with Owner prior to development of shop drawings B. Framing System 1. Kawneer

4 Page 3 of 5 2. Aluminum construction 3. Typical storefront: TRIFAB450 or TRIFABA451, per thickness of glass 4. This specification is for pricing purposes only. Verify specifications with Owner prior to furnishing submittals 2.03 STOREFRONT SYSTEMS A. Doors 1. Kawneer 190 Narrow Style (or equal) 2. Glazing Gaskets: E P D M elastomeric extrusions. 3. Pivots/Hinges: Offset type (top, intermediate and bottom) required. Pivots shall be tamper-proof when doors are locked. Finish shall match door finish 4. Push/Pull Finish to match door 5. Keyed cylinder with thumb turn and exit indicator 6. Closers: LCN 4040 Super Smoothe, surface mounted, barrier free. Finish to match door. 7. Threshold: Extruded aluminum mill finished, barrier free 8. Sweep strip: EPDM blade 9. Where pair of doors noted, provide three point locking system 10. Glass: Of type scheduled on drawings and specified in Section MATERIALS AND COMPONENTS A. Extrusions: 6063-T5 alloy and temper (ASTM B221 alloy G.S. 10A-T5). B. Exposed Fasteners: Stainless steel in accordance with ASTM A164. C. Perimeter Anchors: Aluminum or steel, providing The steel is properly isolated from the aluminum. D. Glazing Gaskets: E P D M elastomeric extrusions.

5 Page 4 of FABRICATION A. General: 1. Aluminum Doors and Frames: Shall be fabricated to allow for clearances and shim spacing around perimeter of assemblies to enable installation. Provide for thermal movement. 2. Anchorage Devices: Required to securely and rigidly fit door and frame assemblies in place. 3. Joints and Corners: Shall be flush, hair line, weatherstrip and accurately fitted together. 4. Condensation Drains: Required within frame construction to drain moisture to exterior. 5. Provision for hardware is required, complete with internal reinforcing. 6. Bituminous Paint: One coat is required on concealed aluminum surfaces in contact with cementitious or dissimilar materials. B. Fabrication of Doors: 1. Basic Door Sections: 1-3/4" in depth, door size to meet design requirements. Major portions of door stile and rail extrusions shall be.125" nominal thickness. 2. Door Glazing Moldings:.050" thick snap-in type with neoprene bulb-type glazing gaskets. Exposed screws shall not be used to secure glazing stops in place. Exterior stops shall be set with tamper-resistant clips. 3. Door Corner Construction: Shall consist of both sigma deep penetration welds and mechanical fastening. 4. Entrance Doors: Shall be weather-stripped at jambs, top rail and meeting stiles.

6 Page 5 of 5 C. Performance Requirements for Framing system: 1. Air Infiltration: Shall be tested in accordance with ASTM E283. Infiltration shall not exceed.06 CFM per square foot of fixed area. 2. Water Infiltration: Shall be tested in accordance with ASTM E331. Water shall not penetrate at a test pressure of 6.24 P.S.F. (300 Pa). 3. Structural Performance: Shall be based on maximum deflection of 1/175 of the span and allowable stress with a safety factor Storefront system and glass shall perform to these criteria under a windload in accordance with applicable codes and ordinances. Miscellaneous structural steel items required to meet design requirements is the work of this section. PART 3 - EXECUTION 3.01 INSTALLATION A. Install aluminum doors, frames and hardware in accordance with manufacturer's recommendations and approved shop drawings. Assemblies shall be installed plumb, level and free of warp or twist. Maintain dimensional tolerances and alignment with adjacent work. B. Use sufficient anchorage devices to securely and rigidly fasten storefront assemblies to building. C. Coordinate glass and glazing work with Section D. Install perimeter sealant and related backing materials in accordance with workmanship and installation requirements indicated in Section E. Set thresholds in solid bed of mastic. END OF SECTION