Thos. S. Byrne, Ltd. is pleased to submit the following regarding the new Central Library and Council Chamber for the City of Arlington.

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3 Exhibit "B" May 5, 2016, Alf Bumgardner, AIA LEED AP Construction Manager City of Arlington 101 W. Abram St. Arlington, Texas Re: Arlington New Central Library and Council Chamber Mr. Bumgardner: Thos. S. Byrne, Ltd. is pleased to submit the following regarding the new Central Library and Council Chamber for the City of Arlington. In addition to preconstruction services previously agreed upon, the value for added portion of work is to be $26,353,944. This shall include scopes per the 100% Construction Documents, as well as agreed upon Cost Value Analysis Options and scope adjustments. We very much look forward to working with the City of Arlington on this project. If you have any questions or need additional information, please contact me at Sincerely, Thos. S. Byrne, Ltd. Lee Howell, LEED AP Vice President Chief Estimator T. S. Byrne Management, Inc. - General Partner Copy: Matthew Avila, Martin Lehman, Paul Avila, JR Evans, File 2601 Scott Ave Suite 300 Fort Worth, Texas Telephone: (817) Fax: (817) W WW.TSBYRNE.CO M

4 Construction Set ARLINGTON CENTRAL LIBRARY & CITY COUNCIL CHAMBER March 8, 2016

5 CITY OF ARLINGTON 04/1/16 ADDENDUM #2 LIBRARY AND CITY COUNCIL CHAMBER TABLE OF CONTENTS RESPONSIBLE DISCIPLINES: DAI = Dewberry Architects Inc. (Architect of Record) TTG = TTG. (MEP Engineers of Record) DAI-S = Dewberry Architects Inc. (Structural Engineer of Record) DAI-T = Dewberry Technology. (Technology and Security) SRA = Schrickel, Rollins and Associates. (Civil and Landscape Engineers of Record) WJHW = Wrightson, Johnson, Haddon & Williams, Inc. (AV and Acoustical Engineers of Record) DELTA-T = Delta-T (CxA) COA = City of Arlington (Owner-Provided) Division Section Title Responsible Pages Discipline PROCUREMENT AND CONTRACTING DOCUMENTS GROUP DIVISION 00 - PROCUREMENT AND CONTRACTING REQUIREMENTS PROJECT TITLE PAGE... DAI SEALS PAGE... DAI WAGE RATES TEXO... COA TRENCH SAFETY... COA GREEN CEMENT CERTIFICATION... COA MINORITY WOMEN BUSINESS ENTERPRISE... COA GEOTECHNICAL DATA... DAI... 2 SPECIFICATIONS GROUP General Requirements Subgroup DIVISION 01 - GENERAL REQUIREMENTS CONTRACT MODIFICATION PROCEDURES... DAI PROJECT MANAGEMENT AND COORDINATION... DAI SUBMITTAL PROCEDURES... DAI QUALITY REQUIREMENTS... DAI TEMPORARY FACILITIES AND CONTROLS... DAI CLOSE OUT CHECKLIST... COA CONSTRUCTION WASTE MANAGEMENT AND DISPOSAL... DAI CLOSEOUT PROCEDURES... DAI OPERATION AND MAINTENANCE DATA... DAI PROJECT RECORD DOCUMENTS... DAI DEMONSTRATION AND TRAINING... DAI GENERAL COMMISSIONING REQUIREMENTS... DELTA-T SUSTAINABILITY DESIGN REQUIREMENTS LEED DAI PREFUNCTIONAL CHECKLISTS... DELTA-T FUNCTIONAL PERFORMANCE TESTS... DELTA-T DIVISION 02 EXISTING CONDITIONS Facility Construction Subgroup DAI TABLE OF CONTENTS PAGE 1

6 CITY OF ARLINGTON 04/1/16 ADDENDUM #2 LIBRARY AND CITY COUNCIL CHAMBER SELECTIVE DEMOLITION... DAI... 6 DIVISION 03 CONCRETE CAST-IN-PLACE CONCRETE... DAI-S PENETRATING REACTIVE CONCRETE STAIN AND SEALER... DAI... 6 DIVISION 04 - MASONRY CONCRETE MASONRY VENEER... DAI ANCHORED STONE MASONRY VENEER... DAI... 5 DIVISION 05 - METALS STRUCTURAL STEEL... DAI-S ARCHITECTURALLY EXPOSED STRUCTURAL STEEL FRAMING... DAI-S STEEL JOIST FRAMING... DAI-S STEEL DECKING... DAI-S COLD-FORMED METAL FRAMING... DAI-S METAL FABRICATIONS... DAI-S METAL STAIRS... DAI-S ACCESS LADDERS... DAI PIPE AND TUBE RAILINGS... DAI ALUMINUM COLUMNN COVERS... DAI GLAZED DECORATIVE RAILINGS... DAI... 6 DIVISION 06 - WOOD, PLASTICS, AND COMPOSITES MISCELLANEOUS ROUGH CARPENTRY... DAI SHEATHING... DAI SOLID MINERAL PROFILE PANELING... DAI PLASTIC LAMINATE FACED ARCHITECTURAL CABINETS... DAI FLUSH WOOD PANELING... DAI FIBERGLASS COLUMN COVERS... DAI... 4 DIVISION 07 - THERMAL AND MOISTURE PROTECTION COLD FLUID-APPLIED WATERPROOFING... DAI THERMAL INSULATION... DAI FLUID-APPLIED MEMBRANE AIR BARRIERS... DAI FORMED METAL WALL PANELS... DAI METAL SOFFIT PANELS... DAI SBS MODIFIED BITUMINOUS MEMBRANE ROOFING... DAI SHEET METAL ROOFING... DAI SHEET METAL FLASHING AND TRIM... DAI ROOF SPECIALTIES... DAI MANUFACTURED ROOF EXPANSION JOINTS... DAI ROOF ACCESSORIES... DAI VEGETATED ROOF SYSTEMS... DAI APPLIED FIREPROOFING... DAI PENETRATION FIRESTOPPING... DAI JOINT FIRESTOPPING... DAI PREFORMED JOINT SEALS... DAI JOINT SEALANTS... DAI... 6 DAI TABLE OF CONTENTS PAGE 2

7 CITY OF ARLINGTON 04/1/16 ADDENDUM #2 LIBRARY AND CITY COUNCIL CHAMBER ACOUSTICAL JOINT SEALANTS... DAI INTERIOR EXPANSION JOINT COVER ASSEMBLIES... DAI EXTERIOR EXPANSION JOINT COVER ASSEMBLIES... DAI... 4 DIVISION 08 - OPENINGS HOLLOW METAL DOORS AND FRAMES... DAI FLUSH WOOD DOORS... DAI ACCESS DOORS AND FRAMES... DAI ALUMINUM-FRAMED ENTRANCES AND STOREFRONTS... DAI SLIDING AUTOMATIC ENTRANCES... DAI GLAZED ALUMINUM CURTAIN WALLS... DAI ALUMINUM WINDOWS... DAI DOOR HARDWARE... DAI GLAZING... DAI MIRRORS... DAI TRANSLUSCENT FACING WITH POLYCARBONATE CORE... DAI ARCHITECTURAL WINDOW FILM... DAI FIXED LOUVERS... DAI... 2 DIVISION 09 - FINISHES GYPSUM BOARD SHAFT WALL ASSEMBLIES... DAI NON-STRUCTURAL METAL FRAMING... DAI GYPSUM BOARD... DAI CERAMIC TILING... DAI ACOUSTICAL TILE CEILINGS... DAI WOOD FLOORING... DAI RESILIENT BASE... DAI RESILIENT TILE FLOORING... DAI PRECAST TERRAZZO STAIR UNITS... DAI TILE CARPETING... DAI WALL COVERINGS... DAI SOUND ABSORBING WALL UNITS... DAI EXTERIOR PAINTING... DAI INTERIOR PAINTING... DAI... 4 DIVISION 10 - SPECIALTIES VISUAL DISPLAY UNITS... DAI DIMENSIONAL LETTER SIGNAGE... DAI ROOM IDENTIFICATION SIGNAGE... DAI PLASTIC TOILET COMPARTMENTS... DAI WALL AND DOOR PROTECTION... DAI BULLET RESISTANT FIBERGLASS SHEET... DAI TOILET ACCESSORIES... DAI FIREPLACES... DAI FIRE PROTECTION CABINETS... DAI FIRE EXTINGUISHERS... DAI METAL LOCKERS... DAI EXTRUDED ALUMINUM CANOPIES... DAI MOBILE STORAGE SHELVING... DAI AUTOMATIC VERTICALLY FOLDING ACOUSTIC PARTITION... DAI... 8 DIVISION 11 - EQUIPMENT LOADING DOCK BUMPERS... DAI RESIDENTIAL APPLIANCES... DAI... 4 DAI TABLE OF CONTENTS PAGE 3

8 CITY OF ARLINGTON 04/1/16 ADDENDUM #2 LIBRARY AND CITY COUNCIL CHAMBER PROJECTION SCREENS... WJHW DIVISION 12 - FURNISHINGS ROLLER WINDOW SHADES... DAI SOLID SURFACING COUNTERTOPS... DAI ENTRANCE FLOOR MATS... DAI FIXED AUDIENCE SEATING... DAI... 4 DIVISION 14 CONVEYING EQUIPMENT HYDRAULIC ELEVATORS... DAI Facility Services Subgroup DIVISION 21 - FIRE SUPPRESSION COMMON WORK RESULTS FOR FIRE SUPPRESSION... TTG AUTOMATIC SPRINKLER SYSTEMS... TTG FIRE PROTECTION PIPING... TTG ELECTRIC-DRIVE, CENTRIFUGAL FIRE PUMPS... TTG PRESSURE-MAINTENANCE PUMPS... TTG CONTROLLERS FOR FIRE PUMP DRIVERS... TTG... 6 DIVISION 22 - PLUMBING COMMON WORK RESULTS FOR PLUMBING... TTG WORK IN EXISTING BUILDING-DEMOLITON... TTG EXPANSION FITTING AND LOOPS FOR PLUMBING PIPING... TTG GENERAL-DUTY VALVES FOR PLUMBING PIPING... TTG HANGERS AND SUPPORTS FOR PLUMBING PIPING AND EQUIPMENT... TTG IDENTIFICATION FOR PLUMBING PIPING AND EQUIPMENT... TTG PLUMBING INSULATION... TTG COMMISSIONING OF PLUMBING SYSTEMS... DELTA-T FACILITY NATURAL GAS PIPING... TTG DOMESTIC WATER PIPING... TTG DOMESTIC WATER PIPING SPECIALTIES... TTG DOMESTIC WATER PACKAGED BOOSTER PUMPS... TTG SANITARY WASTE PIPING... TTG SANITARY WASTE PIPING SPECIALTIES... TTG FACILITY STORM DRAIN PIPING... TTG STORM DRAINAGE PIPING SPECIALTIES... TTG PLUMBING FIXTURES... TTG... 7 DIVISION 23 - HEATING VENTILATING AND AIR CONDITIONING COMMON WORK RESULTS FOR HVAC... TTG COMMON MOTOR REQUIREMENTS FOR HVAC EQUIPMENT... TTG SLEEVES AND SLEEVE SEALS FOR HVAC PIPING... TTG METERS AND GAGES... TTG GENERAL-DUTY VALVES FOR HVAC PIPING... TTG HANGERS AND SUPPORTS FOR HVAC PIPING AND EQUIPMENT... TTG HEAT TRACING FOR HVAC PIPING... TTG VIBRATION AND SEISMIC CONTROLS FOR HVAC... TTG IDENTIFICATION FOR HVAC PIPING AND EQUIPMENT... TTG TESTING, ADJUSTING AND BALANCING FOR HVAC... TTG HVAC INSULATION... TTG COMMISSIONING OF HVAC SYSTEMS... DELTA-T... 4 DAI TABLE OF CONTENTS PAGE 4

9 CITY OF ARLINGTON 04/1/16 ADDENDUM #2 LIBRARY AND CITY COUNCIL CHAMBER INSTRUMENTATION AND CONTROL FOR HVAC... TTG SEQUENCE OF OPERATIONS FOR HVAC CONTROLS... TTG HYDRONIC PIPING... TTG HYDRONIC PIPING SPECIALTIES... TTG HYDRONIC PUMPS... TTG REFRIGERANT PIPING... TTG WATER TREATMENT FOR CLOSED-LOOP HYDRONIC SYSTEM... TTG METAL DUCTS... TTG AIR DUCT ACCESSORIES... TTG HVAC POWER VENTILATORS... TTG AIR TERMINAL UNITS... TTG DIFFUSERS, REGISTERS AND GRILLES... TTG BREACHINGS, CHIMNEYS AND STACKS... TTG CONDENSING BOILERS... TTG ROTARY-SCREEN WATER CHILLERS... TTG PACKAGED ROOFTOP UNITS / OUTDOOR HANDLING UNITS... TTG MINI SPLIT SYSTEM AIR CONDITIONERS... TTG FAN COIL UNITS... TTG DIVISION 26 - ELECTRICAL COMMON WORK RESULTS FOR ELECTRICAL... TTG LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES. TTG GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS... TTG HANGERS AND SUPPORTS FOR ELECTRICAL SYSTEMS... TTG RACEWAY AND BOXED FOR ELECTRICAL SYSTEMS... TTG CABLE TRAYS FOR ELECTRICAL SYSTEMS... TTG UNDERGROUND DUCTS AND RACEWAYS FOR ELECTRICAL SYSTEMS... TTG IDENTIFICATION FOR ELECTRICAL SYSTEMS... TTG OVERCURRENT PROTECTIVE DEVICE COORDINATION STUDY... TTG COMMISSIONING OF ELECTRICAL SYSTEMS... DELTA-T LIGHTING CONTROL DEVICES... TTG NETWORK LIGTHING CONTROLS... TTG LOW-VOLTAGE TRANSFORMERS... TTG SWITCHBOARDS... TTG PANELBOARDS... TTG WIRING DEVICES... TTG FUSES... TTG ENCLOSED SWITCHES AND CIRCUIT BREAKERS... TTG SOLAR ENERGY ELECTRICAL POWER GENERATION EQUIPMENT.. TTG LIGHTING PROTECTION FOR STRUCTURES... TTG TRANSIENT-VOLTAGE SUPPRESSION FOR LOW-VOLTAGE ELECTRICAL POWER CIRCUITS... TTG INTERIOR LIGHTING... TTG DIVISION 27 - COMMUNICATIONS COMMON WORK RESULTS FOR TELECOMMUNICATIONS... DAI-T GROUNDING AND BONDING FOR TELECOMMUNICATIONS... DAI-T AUDIO/VIDEO EQUIPMENT... WJHW DIVISION 28 - ELECTRONIC SAFETY AND SECURITY COMMON WORK FOR ELECTRONIC SECURITY... DAI-T DIGITAL ADDRESSABLE FIRE ALARM SYSTEM... TTG DAI TABLE OF CONTENTS PAGE 5

10 CITY OF ARLINGTON 04/1/16 ADDENDUM #2 LIBRARY AND CITY COUNCIL CHAMBER Site and Infrastructure Subgroup DIVISION 31 - EARTHWORK STRUCTURAL EARTHWORK... DAI-S TERMITE CONTROL... DAI DRILLED CONCRETE PIERS AND SHAFTS... DAI-S... 3 END OF TABLE OF CONTENTS DAI TABLE OF CONTENTS PAGE 6

11 CITY OF ARLINGTON 03/08/16 CONSTRUCTION SET LIBRARY AND CITY COUNCIL CHAMBER DOCUMENT PROJECT TITLE PAGE 1.1 PROJECT MANUAL OUTLINE A. Project Name: Arlington Central Library and City Council Chamber. B. Owner: City of Arlington C. Project Location: 100 S. Center Street, Arlington, Texas D. Architect Project No.: E. Architect: Dewberry. F. Architect Address: 7557 Rambler Road, Dallas, Texas G. Phone: H. Web Site: I. Issued: March 8, 2016 J. Copyright: 2016 Dewberry. All rights reserved. END OF DOCUMENT DAI PROJECT TITLE PAGE

12 CITY OF ARLINGTON 03/08/16 CONSTRUCTION SET LIBRARY AND CITY COUNCIL CHAMBER THIS PAGE LEFT INTENTIONALLY BLANK. DAI PROJECT TITLE PAGE

13 CITY OF ARLINGTON 03/08/16 CONSTRUCTION SET LIBRARY AND CITY COUNCIL CHAMBER DOCUMENT SEALS PAGE 1.1 DESIGN PROFESSIONALS OF RECORD A. Architect: 1. Denelle Wrightson. 2. TX # Responsible for Divisions Sections except where indicated as prepared by other design professionals of record. DAI SEALS PAGE

14 CITY OF ARLINGTON 03/08/16 CONSTRUCTION SET LIBRARY AND CITY COUNCIL CHAMBER END OF DOCUMENT DAI SEALS PAGE

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19 CITY OF ARLINGTON 03/08/16 CONSTRUCTION SET LIBRARY AND CITY COUNCIL CHAMBER DOCUMENT SEALS PAGE 1.1 DESIGN PROFESSIONALS OF RECORD A. Security/I.T: 1. Michael McTavish. 2. Responsible for , , DAI SEALS PAGE

20 CITY OF ARLINGTON 03/08/16 CONSTRUCTION SET LIBRARY AND CITY COUNCIL CHAMBER END OF DOCUMENT DAI SEALS PAGE

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24 ADDENDUM Arlington Central Library and City Council Chamber 100 S. Center Street Arlington, Texas Dewberry # ADDENDUM NO To: Prospective Bidders This Addendum forms a part of the Contract Documents and modifies the original Construction Documents dated as noted below. Acknowledge receipt of this Addendum in the space provided on the Bid Form. Failure to do so may subject Bidder to disqualification. 1.1 REVISIONS TO DRAWINGS A. Sheet C-100 re-issued in its entirety. B. Sheet C-200 re-issued in its entirety. C. Sheet C-202 re-issued in its entirety. D. Sheet C-200 re-issued in its entirety. E. Sheet C-210 re-issued in its entirety. F. Sheet C-300 re-issued in its entirety. G. Sheet C-310 re-issued in its entirety. H. Sheet L-101 re-issued in its entirety. I. Sheet L-200 re-issued in its entirety. J. Sheet L-300 re-issued in its entirety. K. Sheet L-400 re-issued in its entirety. L. Sheet L-401 re-issued in its entirety. M. Sheet L-402 re-issued in its entirety. N. Sheet L-403 re-issued in its entirety. O. Sheet L-404 re-issued in its entirety. P. Sheet L-406 re-issued in its entirety. Q. Sheet L-407 re-issued in its entirety ADDENDUM NO. 1 1 of 2

25 R. Sheet L-500 re-issued in its entirety. S. Sheet L-501 re-issued in its entirety. T. Sheet L-503 re-issued in its entirety. U. Sheet IR-100 re-issued in its entirety. V. Sheet IR-102 re-issued in its entirety. W. Sheet A-131 re-issued. Guardrail surrounding green roof area added. Guardrail detailing will match guardrail system at roof garden. X. Sheet A-134 re-issued. Guardrail surrounding green roof area added. Portion of stained concrete shown at roof garden door entry. Area of concrete stain (CS-1) located on the floor plan. Y. Sheet A-201 re-issued. Guardrail surrounding green roof area added Z. Sheet A-621 re-issued. Concrete stain (CS-1) added to design selection summary. 1.2 REVISIONS TO SPECIFICATION SECTIONS A. Replace Table of Contents with updated section, attached. B. Replace Section ALTERNATES with updated section, attached. C. Section WOOD FLOORING added to the specifications, section attached. D. Section ROOM IDENTIFICATION SIGNAGE added to the specifications, section attached. E. Replace Section TESTING, ADJUSTING AND BALANCING FOR HVAC with updated section, attached. 1. Section 3.1.A updated to specify Delta-T as the TAB specialist. Others were deleted. F. Section TERMITE CONTROL added to the specifications, section attached. G. Section DECORATIVE CONCRETE PAVING added to the specifications, section attached. H. Replace Section MISCELLANEOUS OUTDOOR EQUIPMENT with updated section, attached. END OF ADDENDUM NO ADDENDUM NO. 1 2 of 2

26 ADDENDUM Arlington Central Library and City Council Chamber 100 S. Center Street Arlington, Texas Dewberry # ADDENDUM NO To: Prospective Bidders This Addendum forms a part of the Contract Documents and modifies the original Construction Documents dated as noted below. Acknowledge receipt of this Addendum in the space provided on the Bid Form. Failure to do so may subject Bidder to disqualification. 2.1 REVISIONS TO DRAWINGS CIVIL AND LANDSCAPE A. Sheet C-100 re-issued in its entirety. B. Sheet L-501 re-issued in its entirety. C. Sheet L-504 re-issued in its entirety. 2.2 REVISIONS TO DRAWINGS STRUCTURAL A. Sheet S-001 GENERAL NOTES 1. ADD attachment ADD2-S1 to the sheet. B. Sheet S-121 LIBRARY SECOND FLOOR FRAMING PLAN 1. ADD attachment ADD2-S1 to the sheet. C. Sheet S-131 LIBRARY THIRD FLOOR FRAMING PLAN 1. ADD attachment ADD2-S1 to the sheet. D. Sheet S-141 LIBRARY FOURTH FLOOR AND ROOF FRAMING 1. Drawing shall be replaced in its entirety. E. Sheet S-151 LIBRARY PENTHOUSE ROOF 1. ADD attachment ADD2-S1 to the sheet. F. Sheet S-201 STRUCTURAL ELEVATIONS 1. ADD attachment ADD2-S1 to the sheet. G. Sheet S-202 STRUCTURAL ELEVATIONS 1. ADD attachment ADD2-S1 to the sheet. H. Sheet S-501 FRAMING DETAILS 1. ADD attachment ADD2-S1 to the sheet. I. Sheet S-502 FRAMING DETAILS 1. ADD attachment ADD2-S1 to the sheet ADDENDUM NO. 2 1 of 2

27 J. Sheet S-503 FRAMING DETAILS 1. ADD attachment ADD2-S1 to the sheet. K. Sheet S-504 FRAMING DETAILS 1. Drawing shall be replaced in its entirety. L. Sheet S-505 FRAMING DETAILS 1. Drawing shall be replaced in its entirety. M. S-506 FRAMING DETAILS 1. ADD attachment ADD2-S1 to the sheet. N. Sheet S-121C COUNCIL CHAMBERS LOW ROOF FRAMING PLANS 1. ADD attachment ADD2-S1 to the sheet. O. Sheet S-131C COUNCIL CHAMBERS HIGH ROOF FRAMING PLAN 1. ADD attachment ADD2-S1 to the sheet. P. Sheet S-510C FRAMING DETAILS 1. ADD attachment ADD2-S1 to the sheet. Q. Sheet S-511C FRAMING DETAILS 1. ADD attachment ADD2-S1 to the sheet. 2.3 REVISIONS TO DRAWINGS ARCHITECTURAL A. Sheet G-002 re-issued in its entirety. 2. Trellis framing keynote revised per revised design. B. Sheet G-002C re-issued in its entirety. 2. Canopy framing keynotes added. C. Sheet G-111 re-issued in its entirety. 1. Additional door added to SE corner per City permit review comments. D. Sheet A-111 re-issued in its entirety. 1. Notation for UL assemblies added to the sheet. E. Sheet A-113 re-issued in its entirety. 1. Light fixture layout revised to match electrical sheet. F. Sheet A-113C re-issued in its entirety. 1. Light fixture layout revised to match electrical sheet. G. Sheet A-121 re-issued in its entirety. 1. Notation for UL assemblies added to the sheet per City permit review comments. H. Sheet A-123 re-issued in its entirety. 1. Light fixture layout revised to match electrical sheet. I. Sheet A-131 re-issued in its entirety. 1. Notation for UL assemblies added to the sheet per City permit review comments. J. Sheet A-141 re-issued in its entirety ADDENDUM NO. 2 2 of 2

28 1. Notation for UL assemblies added to the sheet per City permit review comments. 2. Trellis framing layout reduced per VE discussions with owner. K. Sheet A-152 re-issued in its entirety. 1. Trellis framing layout reduced per VE discussions with owner. L. Sheet A-154 re-issued in its entirety. 1. Trellis framing layout reduced per VE discussions with owner. M. Sheet A-155 re-issued in its entirety. 1. Trellis framing layout reduced per VE discussions with owner. N. Sheet A-171 re-issued in its entirety. 1. Notation for UL assemblies added to the sheet per City permit review comments. 2. Provide ½ fire rated gypsum sheathing in lieu of ¾ plywood. O. Sheet A-171C re-issued in its entirety. P. Sheet A-172 re-issued in its entirety. 1. Notation for UL assemblies added to the sheet per City permit review comments. 2. Provide ½ fire rated gypsum sheathing in lieu of ¾ plywood. Q. Sheet A-172C re-issued in its entirety. R. Sheet A-173 re-issued in its entirety. 1. Notation for UL assemblies added to the sheet per City permit review comments. 2. Provide ½ fire rated gypsum sheathing in lieu of ¾ plywood. S. Sheet A-173C re-issued in its entirety. 2. Canopy notations added. T. Sheet A-174 re-issued in its entirety. 1. Notation for UL assemblies added to the sheet per City permit review comments. 2. Provide ½ fire rated gypsum sheathing in lieu of ¾ plywood. U. Sheet A-183 re-issued in its entirety. 1. Notation for UL assemblies added to the sheet per City permit review comments. 2. Provide ½ fire rated gypsum sheathing in lieu of ¾ plywood. V. Sheet A-184 re-issued in its entirety. 1. Notation for UL assemblies added to the sheet per City permit review comments. 2. Provide ½ fire rated gypsum sheathing in lieu of ¾ plywood. W. Sheet A-311 re-issued in its entirety. 2. Canopy framing revised. X. Sheet A-312 re-issued in its entirety. 2. Canopy framing revised. Y. Sheet A-312C re-issued in its entirety ADDENDUM NO. 2 2 of 2

29 Z. Sheet A-313 re-issued in its entirety. 2. Canopy framing revised. AA. Sheet A-313C re-issued in its entirety. BB. Sheet A-314 re-issued in its entirety. 2. Canopy framing revised. CC. Sheet A-314C re-issued in its entirety. DD. Sheet A-315 re-issued in its entirety. 2. Canopy framing revised. EE. Sheet A-316 re-issued in its entirety. 2. Canopy framing revised. FF. Sheet A-317 re-issued in its entirety. 1. Notation for UL assemblies added to the sheet per City permit review comments. 2. Provide ½ fire rated gypsum sheathing in lieu of ¾ plywood. GG. Sheet A-321C re-issued in its entirety. HH. Sheet A-322 re-issued in its entirety. 1. Notation for UL assemblies added to the sheet per City permit review comments. 2. Provide ½ fire rated gypsum sheathing in lieu of ¾ plywood. II. JJ. Sheet A-322C re-issued in its entirety. Sheet A-323 re-issued in its entirety. 1. Notation for UL assemblies added to the sheet per City permit review comments. 2. Provide ½ fire rated gypsum sheathing in lieu of ¾ plywood. 3. Canopy framing revised. KK. Sheet A-323C re-issued in its entirety. 2. Canopy framing revised. LL. Sheet A-324 re-issued in its entirety. 1. Notation for UL assemblies added to the sheet per City permit review comments. 2. Provide ½ fire rated gypsum sheathing in lieu of ¾ plywood. 3. Canopy framing revised. MM. Sheet A-324C re-issued in its entirety. NN. Sheet A-601 re-issued in its entirety. 1. Door 101H added to the schedule ADDENDUM NO. 2 2 of 2

30 OO. Sheet A-614 re-issued in its entirety. 1. Exterior curtain wall frame EX19 revised. PP. Sheet A-632 re-issued in its entirety. 1. Notation for UL assemblies added to the sheet per City permit review comments. 2.4 REVISIONS TO DRAWINGS MEP Sheet M Detail added on boiler flue and vent pipes. Sizes increased from 6 to CO detector for boiler shutdown added. Sheet M Locations of boiler flue and intake indicated. 2. Additional detail for chimney flue added. Sheet E Lighting updates to coordinate with architectural RCP. Sheet E Lighting updates to coordinate with architectural RCP. Sheet E Lighting updates to coordinate with architectural RCP. Sheet P Revised Booster pump schedule so that the information in the columns matched what was in the description. 2. Revised Water Heater model number. Sheet P Added sample well detail to this sheets 2. Indicated securing ring detail to sample well detail per city requirements. Sheet P Added city required inlet and outlet detail connections for the sand/oil separator. Sheet P Location for concentric vent to roof indicated. 2.5 REVISIONS TO SPECIFICATIONS A. Replace Table of Contents with updated section, attached. 1. Section EXTRUDED ALUMINUM CANOPIES added. B. Section EXTRUDED ALUMINUM CANOPIES added to the specifications, section attached. C. Section Cast-In-Place Concrete 1. ADD Part 2, Section 2.06 A 1 g Tex-Trude, LP; Xtreme Vapor Barrier 15 mil. D. Section Structural Steel 1. DELETE Part 1, Section 1.06 B in its entirety and REPLACE with, Installer Qualifications: Engage an experienced Installer who has completed structural steel work similar in material, ADDENDUM NO. 2 2 of 2

31 design, and extent to that indicated for this Project and with a record of successful in-service performance. E. Section Architecturally Exposed Structural Steel Framing 1. DELETE Part 1, Section 1.4 B in its entirety and REPLACE with, Installer Qualifications: Engage an experienced Installer who has completed structural steel work similar in material, design, and extent to that indicated for this Project and with a record of successful in-service performance. F. Published UL Assembly Details issued as a separate PDF for contractor reference. These were required as part of the permit set re-submittal. END OF ADDENDUM NO ADDENDUM NO. 2 2 of 2

32 ADDENDUM Arlington Central Library and City Council Chamber 100 S. Center Street Arlington, Texas Dewberry # ADDENDUM NO To: Prospective Bidders This Addendum forms a part of the Contract Documents and modifies the original Construction Documents dated as noted below. Acknowledge receipt of this Addendum in the space provided on the Bid Form. Failure to do so may subject Bidder to disqualification. 3.1 REVISIONS TO DRAWINGS ARCHITECTURAL 1. Sheet A-113 reissued in its entirety. a. Light fixture layout/quantities over Discovery Wall revised. 2. Sheet A-114 reissued in its entirety. a. Room Finish Note Schedule revised. b. Accent wall paint color selections revised. 3. Sheet A-124 reissued in its entirety. a. Accent wall paint color selections revised. 4. Sheet A-411 reissued in its entirety. a. Modular Arts wall panels shown for clarity. b. Tackable panels eliminated from Call-In 127, west wall. 5. Sheet AG-201 reissued in its entirety. a. Detail 8/AG-201 revised per RFI response. 6. Sheet AG-601 reissued in its entirety. a. Notations for Meeting Room lettering revised. 3.2 REVISIONS TO DRAWINGS MEP 1. Sheet M401 a. All enclosed rooms located on sheet M401 that are supplied by fan powered or variable air volume terminal units shall be provided with return air transfer duct/boots above ceiling level. Refer to detail 09 on sheet M101. Almost all rooms in the project have walls that extend to deck, and therefore transfer ducts are required to allow for an air path back to the central return when doors are closed. The rule for the size of the return transfer ducts shall be as follows: i. Room Supplied CFM Return/Transfer Duct Free Area Size(inches) ADDENDUM NO. 3 1 of 2

33 ii x8 iii x10 iv x12 v x16 vi x20 2. Sheet M402 a. All enclosed rooms located on sheet M402 that are supplied by fan powered or variable air volume terminal units shall be provided with return air transfer duct/boots above ceiling level. Refer to detail 09 on sheet M101. Almost all rooms in the project have walls that extend to deck, and therefore transfer ducts are required to allow for an air path back to the central return when doors are closed. The rule for the size of the return transfer ducts shall be as follows: i. Room Supplied CFM Return/Transfer Duct Free Area Size(inches) ii x8 iii x10 iv x12 v x16 vi x20 3. Sheet M403 a. All enclosed rooms located on sheet M403 that are supplied by fan powered or variable air volume terminal units shall be provided with return air transfer duct/boots above ceiling level. Refer to detail 09 on sheet M101. Almost all rooms in the project have walls that extend to deck, and therefore transfer ducts are required to allow for an air path back to the central return when doors are closed. The rule for the size of the return transfer ducts shall be as follows: i. Room Supplied CFM Return/Transfer Duct Free Area Size(inches) ii x8 iii x10 iv x12 v x16 vi x REVISIONS TO DRAWINGS AV 1. Drawing AV-601 detail 2, power amplifier driving the Conference Room SP s should be indicated as a PA Type REVISIONS TO SPECIFICATIONS A. Replace Section FLUSH WOOD PANELING with updated section, attached. B. Replace Section FLUSH WOOD DOORS with updated section, attached. C. Section FIXED AUDIENCE SEATING revised as follows: 1. Paragraph 2.2.A.3: Full scale fire testing will not be required for this project. D. Section AUDIO/VIDEO EQUIPMENT revised as follows: 1. Paragraph 2.5.A.9.a - correct model number is XMV8140-D. 2. Paragraph 2.5.E.4.a current model number is MPA-152 Plus. 3. Paragraph 2.11.B.10 line to read Acceptable product to include the following as required. 4. Paragraph 2.11.C.11.a add the following Crestron DMPS3-4K-150-C with Stewart Audio DSP100-1-CV ADDENDUM NO. 3 2 of 2

34 END OF ADDENDUM NO ADDENDUM NO. 3 2 of 2