ADDENDUM 1. This Addendum forms part of and modifies Proposal Documents dated, December 10, 2015, with amendments and additions noted below.

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1 ADDENDUM 1 DATE: January 08, 2016 PROJECT: RAHC Interior Renovations RFP NO: 744B1610 RAHC Interior Renovations OWNER: The University of Texas Health Science Center at Houston TO: Prospective Proposers This Addendum forms part of and modifies Proposal Documents dated, December 10, 2015, with amendments and additions noted below. 1. Pages missing from specifications: Add pages 1,2 & 3 to specification, section LOW VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES 2. Sheet A0.01 Site map of staging + parking area has been included for clarification. END OF ADDENDUM 1 ADDENDUM 1 744B1610 RAHC Interior Renovations Page 1 of 1

2 SECTION LOWVOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES PART 1 GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section. 1.2 SUMMARY A. Section Includes: 1. Building wires and cables rated 600 V and less. 2. Connectors, splices, and terminations rated 600 V and less. 1.3 ACTION SUBMITTALS A. Product Data: For each type of product. 1.4 INFORMATIONAL SUBMITTALS A. Qualification Data: For testing agency. B. Field qualitycontrol reports. 1.5 QUALITY ASSURANCE A. Testing Agency Qualifications: Member Company of NETA or an NRTL. PART 2 PRODUCTS 2.1 CONDUCTORS AND CABLES A. Manufacturer: 1. Senator Wire & Cable Company. 2. Southwire Company. 3. Encore Wire B. Copper Conductors: Comply with NEMA WC 70/ICEA S C. Conductor Insulation: Comply with NEMA WC 70/ICEA S95658 for Type THHN/THWN2, Type XHHW2 and Type SO. Ethos Engineering

3 SECTION LOWVOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES D. Multiconductor Cable: Comply with NEMA WC 70/ICEA S95658 for metalclad cable, Type MC and Type SO with ground wire. 2.2 CONNECTORS AND SPLICES A. Manufacturers: 1. AFC Cable Systems, Inc. 2. AMP Incorporated/Tyco International. 3. Hubbell/Anderson. 4. OZ/Gedney; EGS Electrical Group LLC. 5. 3M Company; Electrical Products Division. B. Description: Factoryfabricated connectors and splices of size, ampacity rating, material, type, and class for application and service indicated. 2.3 SYSTEM DESCRIPTION A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application. B. Comply with NFPA 70. PART 3 EXECUTION 3.1 CONDUCTOR MATERIAL APPLICATIONS A. Feeders: Copper. Solid for No. 10 AWG and smaller; stranded for No. 8 AWG and larger. B. Branch Circuits: Copper. Solid for No. 10 AWG and smaller; stranded for No. 8 AWG and larger, except VFC cable, which shall be extra flexible stranded. 3.2 CONDUCTOR INSULATION AND MULTICONDUCTOR CABLE APPLICATIONS AND WIRING METHODS A. Service Entrance: Type XHHW2, single conductors in raceway. B. Exposed Feeders: Type THHN/THWN2, single conductors in raceway. C. Feeders Concealed in Ceilings, Walls, Partitions, and Crawlspaces: Type THHN/THWN2, single conductors in raceway. D. Feeders Concealed in Concrete, below SlabsonGrade, and underground: Type THHN/THWN 2, single conductors in raceway. E. Feeders Installed below Raised Flooring: Type THHN/THWN2, single conductors in raceway. Ethos Engineering

4 SECTION LOWVOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES F. Exposed Branch Circuits, Including in Crawlspaces: Type THHN/THWN2, single conductors in raceway. G. Branch Circuits Concealed in Ceilings, Walls, and Partitions: Type THHN/THWN2, single conductors in raceway. H. Branch Circuits Concealed in Concrete, below SlabsonGrade, and underground: Type THHN/THWN2, single conductors in raceway. I. Branch Circuits Installed below Raised Flooring: Type THHN/THWN2, single conductors in raceway. J. Cord Drops and Portable Appliance Connections: Type SO, hard service cord with stainlesssteel, wiremesh, and strain relief device at terminations to suit application. 3.3 INSTALLATION OF CONDUCTORS AND CABLES A. Conceal cables in finished walls, ceilings, and floors unless otherwise indicated. B. Complete raceway installation between conductor and cable termination points according to Section "Raceways and Boxes for Electrical Systems" prior to pulling conductors and cables. C. Use manufacturerapproved pulling compound or lubricant where necessary; compound used must not deteriorate conductor or insulation. Do not exceed manufacturer's recommended maximum pulling tensions and sidewall pressure values. D. Use pulling means, including fish tape, cable, rope, and basketweave wire/cable grips, which will not damage cables or raceway. E. Install exposed cables parallel and perpendicular to surfaces of exposed structural members, and follow surface contours where possible. F. Support cables according to Section "Hangers and Supports for Electrical Systems." 3.4 CONNECTIONS A. Tighten electrical connectors and terminals according to manufacturer's published torquetightening values. If manufacturer's torque values are not indicated, use those specified in UL 486A486B. B. Make splices, terminations, and taps that are compatible with conductor material and that possess equivalent or better mechanical strength and insulation ratings than unspliced conductors. 1. Use oxide inhibitor in each splice, termination, and tap for aluminum conductors. C. Wiring at Outlets: Install conductor at each outlet, with at least 6 inches of slack. Ethos Engineering

5 RIDGELY RD E JACKSON ST GORGAS DR E JACKSON ST FORT BROWN RESACA W UNIVERSITY BLVD RINGOLD RD PROJECT SITE SEE 01/A0.01 FOR MORE INFO 910 REDWOOD AVE, SUITE 10 M C A L L E N, T E X A S O F F I C E W W W. O R A N G E M A D E. C O M SEAL OVERALL SITE PLAN SCALE NTS 02 NOTE: CONTRACTOR TO COORDINATE WITH OWNER IN REGARDS TO PARKING, STAGING + ACCESS TO SITE AND BUILDING. ACCESS TO PROPERTY REGISTERED S TAT E O F ARCHITECT AS T E X RIDGELY RD PARKING AREA PROJECT R E G I O N A L A C A D E M I C H E A L T H C E N T E R I N T E R I O R R E N O V A T I O N S RINGOLD RD RAHC REGIONAL ACADEMIC HEALTH CENTER SPH SCHOOL OF PUBLIC HEALTH B R O W N S V I L L E R E G I O N A L C A M P U S SCH OOL OF PUBLIC HEALTH 80 FORT BROWN, SPH BUILDING BROWNSVILLE, TEXAS PROJECT NO ISSUE FOR CONSTRUCTION AREA FOR CONTRACTOR STAGING SHOWN HATCHED STAGING/PARKING AREA SITE PLAN SCALE 1:50 01 ISSUE DATE REVISION CONTRACTOR'S STAGING + PARKING SITE PLAN A0.01 DATE C O P Y R I G H T O R A N G E M A D E L L C