ࡱ>  bjbj00 HZgZgR7h h 8FtT4t$(LLLn"$Y3[3[3[3[3[3[3$v5,8:3%%%3LLH32n+n+n+%vLLY3n+%Y3n+n+C..LAf@&V[.E33<4c.,f9f(f9..&f9.%%n+%%%%%33)~%%%4%%%%f9%%%%%%%%%h X : SECTION 26 01 00 BASIC ELECTRICAL REQUIREMENTS GENERAL RELATED DOCUMENTS Drawings and general provisions of the Contract, including General Conditions and Division 01 Specification Sections, apply to this Section. SUMMARY Drawings are necessarily diagrammatic by their nature and are not intended to show every connection in detail or every pipe or conduit in its exact location. Carefully investigate structural and finish conditions and coordinate the separate trades in order to avoid interference between the various phases of Work. Organize and lay out Work so that it will be concealed in furred chases and suspended ceilings, etc., in finished portions of the building, unless specifically noted to be exposed. Install all Work parallel or perpendicular to building lines unless otherwise noted. The intent of the Drawings is to establish the types of systems and functions; not to set forth each item essential to the functioning of the system. Install the Work complete, including minor details necessary to perform the function indicated. Review pertinent Drawings and adjust the Work to conditions shown. Where state discrepancies occur between Drawings, Specifications, and actual field conditions, it must first be resolved by the design engineer before notifying the Owners representative for Owners interpretations. Coordinate the actual locations of electrical outlets and equipment with building features and equipment as indicated on electrical, architectural, structural, mechanical, telecommunications, data and plumbing Drawings. Review any proposed changes in electrical wiring devices or equipment location with the Owners representative. Owner may direct relocation of outlets before installation, up to five (5) feet from the position indicated, without additional cost. Remove and relocate outlets placed in an unsuitable location when requested by the Owner, at no additional cost to the Owner. All dimensional information related to new structures shall be taken from the appropriate Drawings. All dimensional information related to existing facilities shall be taken from actual measurements made by the Contractor on the Site. Existing Structures: The building floor slabs, structure, and outer walls are generally existing to remain. The only existing penetrations are openings where indicated on the Drawings. This Contract requires the Contractor to core drill all other floor or wall penetrations as required and fire penetrated as required. All floor penetrations shall include a sleeve that extends two (2) inches above the floor. Bus duct penetrations shall have a minimum 4-inch high curb as per NEC requirement or per drawing, whichever is higher. REFERENCE STANDARDS The latest published edition of a reference shall be applicable to this Project unless identified by a specific edition date. Standards of the following organizations may be referenced in the specification. Unless noted otherwise, references are to standards or codes current at the time of bidding. 1. Association of Edison Illuminating Companies (AEIC). 2. American National Standards Institute (ANSI). 3. Institute of Electrical and Electronics Engineers (IEEE). 4. Insulated Cable Engineers Association (ICEA). 5. National Electrical Code (NEC). 6. National Electrical Manufacturers Association (NEMA). 7. National Electrical Safety Code (NESC). 8. National Fire Protection Association (NFPA). 9. Underwriters' Laboratories (UL). 10. ASHRAE/IESNA 90.1 Energy Standard for Buildings Except Low-Rise Residential Buildings. All reference amendments adopted prior to the effective date of this Contract shall be applicable to this Project. All materials, installation and workmanship shall comply with the applicable requirements and standards addressed within the Contract Documents. definitions Concealed: Concealed areas are those areas that cannot be seen by building occupants. Exposed: Exposed areas are all areas that are exposed to view by building occupants, including areas below counter tops, inside cabinets and closets, inside all equipment rooms, and areas outside the building exterior envelope, exposed to the outdoors. QUALITY ASSURANCE Regulations: Work, materials and equipment shall comply with the latest rules and regulations specified in National Fire Protection Association (NFPA). Discrepancies: The Drawings and Specifications are intended to comply with listed codes, ordinances, regulations and standards. Where discrepancies occur, immediately notify the Owners representative in writing and ask for an interpretation. Should installed materials or workmanship fail to comply, the Contractor is responsible for correcting the improper installation at no additional cost to the Owner. Additionally, where sizes, capacities, or other such features are required in excess of minimum code or standards requirements, provide those specified or shown. Contractor Qualifications: An acceptable Contractor for the Work under this Division must have personnel with experience, training and skill to provide a practical working system. The Contractor shall furnish acceptable evidence of having installed not less than three systems of size and type comparable to this Project. All personnel installing equipment under this Division shall possess valid City of Houston and State of Texas licenses for their skill level. Each Journeyman shall supervise no more than two apprentice helpers. Refer also to Owners Special Conditions. SUBMITTALS Product Data: Provide coordination Drawings with submittals as required by Division 01. Record Documents: In addition to hard copy format, all material submitted as final record products, including approved Shop Drawings and submittals, shall be submitted to the Owner in its original electronic file format on compact disc or DVD or similar electronic media acceptable to the Owner. Drawing files shall be in AutoCAD (.dwg) and Adobe Acrobat (.pdf). Material may be scanned into electronic file format where necessary. Submit the following in addition to and in accordance with the requirements of the Uniform General Conditions and in Division 01, Submittals. 1. Include inspection and permit certificates and certificates of final inspection and acceptance from the authority having jurisdiction. 2. Manufacturers standardized schematic diagrams and catalog cuts shall not be acceptable unless applicable portions are clearly indicated, and non-applicable portions clearly deleted or crossed out. 3. Schematic, connection and/or interconnection diagrams. 4. Provide submittals as required by individual specification section. Provide the following with each submittal: Catalog cutsheets with manufacturers name clearly indicated. Applicable portions shall be clearly indicated by arrows, circles, or similar markings and non-applicable portions shall be clearly deleted or crossed out. Line-by-line specification review by equipment manufacturer and contractor with exceptions explicitly defined. Itemize and organize equipment and material submittals by specification Section number; include manufacturer and identifying model or catalog numbers. Submittal packages for product data, shop drawings, and other required submittals shall be numbered sequentially according to the applicable specification Section number. For example, the first submittal package for Energy-Efficient Dry-Type Transformers shall be identified as Submittal number 262213-01. The second submittal package for Energy-Efficient Dry-Type Transformers would be identified as Submittal number 262213-02. Re-submittal packages shall be identified by an R in the sequential numerical suffix. Where directed by the Owner or the Architect to combine submittals into a common package, the submittal data may be organized in one or more 3-ring binders or similar container. Product data, shop drawings, and other submittal data shall be organized in separate tabs according to paragraph 1.07B.3a, above. That is, submittal data in individual tabs of a common submittal package shall be numbered sequentially, according to the applicable specification Section number. Replace rejected items and resubmit with acceptable items in accordance with the requirements of Division One for Submittals, and with the Uniform General Conditions. Within the specified time window after award of contract, submit list of equipment and materials to be furnished. Itemize equipment and material by specification section number; include manufacturer and identifying model or catalog numbers. Replace rejected items with an acceptable item within 2 weeks after notification of rejection. If a satisfactory replacement is not submitted within a two-week period, Owner will notify contractor as to equipment manufacturer or type and make or material to be furnished. Provide designated items at no additional cost to Owner. Equipment Layout Drawing: 1/8-inch scale minimum drawings indicating electrical equipment locations. Dimensions for housekeeping pads shall be indicated on these drawings. Indicate routing of conduit 2 inches and over on these drawings. Coordination Drawings: The Contractor shall prepare one complete set of composite drawings. The shop drawings for sheet metal ductwork shall be used as the basis for this coordination. When the sheet metal drawings have been prepared, the raceway, luminaires, mechanical piping, plumbing piping, and fire protection piping shall be overlaid and drafted onto the composite drawing. The intent of this process is to define areas of potential conflict and resolve those conflicts prior to fabrication or installation of work. In areas of congestion (where simply overlaying and drafting will create an unreadable product), the plan view scale shall be increased, and multiple layered views shall be developed. Elevations of the individual elements shall be established, and elevations shall be drawn to illustrate that the ductwork, piping, raceway, and other systems and components will co-exist within the available space, and that the proper access to equipment, luminaires, valves, filters, etc. has been established for operation, service, removal and replacement. In addition to the above, the Contractor shall also submit the following for review: Electrical and Telecommunications Rooms. Submit 1/4-inch scale coordination drawings of electrical and telecommunications rooms indicating location of equipment. Indicate the exact location of each component in relation to other mechanical, electrical, and plumbing (MEP) components within each room. Include location(s) and quantity of raceway(s) and sleeve(s) stubbed up through floor slab for power, lighting, control, grounding, communications, and low-voltage system(s). These coordination drawings shall take into account the configuration of the mechanical, electrical, and telecommunications equipment which has been proposed and approved for use in the project, particularly where it differs in configuration from the equipment shown on the Drawings. Mechanical and Pump Rooms. Submit 1/4-inch scale coordination drawings of mechanical and pump rooms indicating location of electrical equipment. Indicate the exact location of each component in relation to other MEP components within each mechanical and pump room. These coordination drawings shall take into account the configuration of the mechanical and electrical equipment which has been proposed and approved for use in the project, particularly where it differs in configuration from the equipment shown on the Drawings. Auditorium, Lecture, Conference and Audio-Visual (A/V) Rooms. Submit 1/8-inch scale coordination drawings showing receptacles, snap switches, occupancy sensors, lighting controls, dimmers, communication outlets, and Audio-Visual (AV) outlets and devices (including projector mounts). Indicate locations and mounting heights of outlets and devices. Electrical, communication and AV devices shown in proximity to each other shall be grouped. Corridors. Submit 1/4-inch scale coordination drawings, including sections, of corridors indicating equipment and material. Building Information Modeling (BIM). Where a BIM-model of the project has been developed by the Architect/Engineer or Contractor, the BIM model may be used to develop and produce the coordination drawings. The Contractor and the individual trades shall confirm in writing that the BIM-model and related coordination drawings accurately match the components and systems to be fabricated and installed. Review: The completed Composite Drawings shall be submitted to the Architect/Engineer for review prior to installation. Work that proceeds without appropriate coordination and review will be subject to removal and relocation at no additional cost to the Owner. Installation: Where product data or shop drawings are required, do not install equipment or materials until submittals are accepted by the Architect/Engineer and by Owners Representative. Use only equipment and materials accepted by the Architect/Engineer and by Owners Representative. Equipment and materials installed prior to acceptance by the Owner/ Engineer and Owners Representative shall be removed at no additional cost to Owner and replaced at the Contractors expense. Startup and Test Procedures: Furnish documentation from equipment manufacturer for the startup and field testing procedures for equipment installed as a part of this project. Startup and testing procedures shall include prerequisite conditions, system and equipment alignments and lineups, sequential steps for execution of the test, shutdown procedures, and criteria for satisfactory test completion and test failure. Startup and testing procedures shall address and demonstrate modes of system or equipment operation, including startup, manual, unattended/automatic, and shutdown procedures, as well as procedures for testing and demonstration of abnormal or emergency operating conditions. Include forms and logs to be used during field testing. Forms and logs shall include the range of permissible values for monitored parameters, as applicable. As-Built and Record Drawings: Maintain a master set of as-built drawings that show changes and other deviations from the Drawings. The markups shall be made as the changes are done. The markups shall show the actual changes and shall not reference RFIs, ASIs etc. The record drawing shall be a complete standalone document clearly showing all changes that differ from the design drawings. Any references to RFIs, ASIs etc. will result in a rejection of the record drawings. At the conclusion of the project, these as-built drawings shall be transferred to AutoCAD electronic files, in a format acceptable to the Owners Representative, and shall be complete. Prior to final acceptance, deliver to the Owners Representative the AutoCAD electronic files, the complete set of record drawings showing the as-built condition of the project, and the actual field set of as-built drawings. Quantity: In accordance with the requirements of Division One and the General Conditions. Where not specified elsewhere, provide one reproducible set. Operating and Maintenance Manuals: As specified in Part 3 of this Section and in Division One, as applicable. Overcurrent Protective Device Coordination Study: Provide preliminary and final study as specified in Section 26 05 73. Make adjustments to materials and submittals under other Sections of Division 26 as required and as recommended by the Overcurrent Protective Device Coordination studies. SUBSTITUTIONS Refer to requirements of Division One for substitution of Material and Equipment. Product manufacturers are listed to establish a level of quality for the products. Substitutions may be allowed if the product is equal to or better than what is listed in the design guidelines, as determined by the Architect/Engineer, HVPS, and O&M team upon submittal of comparison products. Samples: When requested by the Owners Representative or the Architect/Engineer, the Contractor shall provide a sample of the proposed substitute item. When requested, provide samples of both the specified item and the proposed item for comparison purposes. Timeliness: The burden of timeliness in the complete cycle of submittal data, shop drawings, and sample processing is on the Contractor. Time periods for Architect/Engineer processing and review of submittal data, shop drawings, samples, studies, and reports shall be in accordance with the applicable submittal and substitution requirements of Division One and the General Conditions. The Contractor shall allow sufficient time for review of each submission by the office of the design discipline involved after receipt of such submissions by that design discipline. The Contractor is responsible for allowing sufficient time in the construction schedule to cover the aforementioned cycles for processing of submittal data and shop drawings, including time for resubmittal cycles on unacceptable and rejected materials, equipment, components, and systems covered by the data submitted. Construction delays and lack of timeliness in the above regard are the responsibility of the Contractor and will not be considered in requests for scheduled construction time extensions and additional costs to the Owner. Acceptance: Acceptance of materials and equipment will be based on manufacturers published data and will be tentative subject to the submission of complete shop drawings indicating compliance with the Drawings, specifications, and other applicable Contract Documents, and that adequate and acceptable clearances will exist for entry, servicing, and maintenance. Acceptance of materials and equipment under this provision shall not be construed as authorizing deviations from the Specifications, unless the attention of the Owners Representative and the Architect/Engineer has been directed in writing to the specific deviations. Data submitted shall not contain unrelated information unless pertinent information is properly identified. Replacement; Should a substitution be accepted, and should the substitute material prove defective, or otherwise unsatisfactory for the service intended within the guarantee period, this material or equipment shall be replaced with the material or equipment originally specified at no additional cost to the Owner. CONTRACTOR QUALIFICATIONS An acceptable Contractor for the work under this division must have personnel with experience, training and skill to provide a practical working system. The Contractor may be required to furnish acceptable evidence of having installed not less than three systems of size and type comparable to this project. The systems must have served satisfactorily for not less than 3 years. The superintendent must have had experience in installing not less than three such systems. The Contractor must have personnel with the proper licenses to perform electrical work under this Contract. In accordance with the Texas Electrical Safety and Licensing Act Title 8, Occupation Code, Chapter 1305, Subchapter D, section 1305.151: LICENSE REQUIRED. Except as provided by Section 1305.003, a person may not perform electrical work unless the person holds an appropriate license issued or recognized under this chapter. The Contractor shall follow the safety procedures in addition to, and in accordance with, the requirements of the Project Safety Manual (PSM). The Contractor shall be responsible for training personnel under their employ in areas concerning safe work habits and construction safety. The Contractor shall continually inform personnel on hazards particular to this project and update the information as the project progresses. The Contractor shall secure electrical rooms, to limit access, prior to energizing high voltage (1000V or higher) equipment and shall control access during the project after energization. The Contractor shall post and maintain warning and caution signage in areas where work is ongoing near energized equipment. The Contractor shall cover energized live parts when work is not being done in the equipment. This includes lunch and breaks. The Contractor shall strictly enforce OSHA lockout/tagout procedures. Initial infractions shall result in a warning. A second infraction shall result in the removal of the workman and his foreman from the site. Continued infractions shall result in removal of the Contractor from the site. The contractor is responsible for coordinating construction power per the Owners Special Conditions. The Contractor shall provide temporary or new services to existing facilities as required to maintain their proper operation when normal services are disrupted as a result of the work being accomplished under this project. The contractor shall coordinate with MDA IT department to provide IT temporary or temporary/permanent power to operate the BAS systems and IT racks for the mechanical equipment during construction to dry out the building. DELIVERY, STORAGE and HANDLING All equipment and materials shall be delivered to the Project Site clean and sealed for protection. Moisture: During construction, protect switchgear, transformers, motors, control equipment, and other items from insulation moisture absorption and metallic component corrosion by appropriate use of strip heaters, lamps or other suitable means. Apply protection immediately upon receiving the products and maintain continually. Damage: Take such precautions as are necessary to protect apparatus and materials from damage. Failure to protect materials is sufficient cause for rejection of the apparatus or material in question. Finish: Protect factory finish from damage during construction operations until acceptance of the Project. Restore any finishes that become stained or damaged to Owners satisfaction. PRODUCTS GENERAL All materials shall meet or exceed all applicable referenced standards, federal, state and local requirements, and conform to codes and ordinances of authorities having jurisdiction. Equipment and control systems should match, integrate, communicate or cooperate with Owners existing systems, such as power monitoring systems, building automation, fire alarm, motor control centers, switchgears, breakers, transformers, and lighting dimming systems. Conditions: Provide new products of manufacturers regularly engaged in production of such equipment. Provide the manufacturer's latest standard design for the type of product specified. Products shall be U.S. made, if available and available in a timely manner sufficient to maintain project schedule. Owner reserves the right to approve or disapprove foreign-made products. NEC and UL: Products shall conform to requirements of the National Electrical Code. Where Underwriters' Laboratories have set standards, listed products and issued labels, products used shall be listed and labeled by UL. Space Limitations: Equipment selected shall conform to the building features and shall be coordinated with all components. Do not provide equipment that will not meet arrangement and space limitations. Contractor shall submit room layouts with submitted items shown drawn to scale with service or code required clearances shown. Submittals will be rejected without floor plan Drawings showing submitted items. Factory Finish: Equipment shall be delivered with a hard surface, factory-applied finish so that no additional field painting is required except for touch-up. Common Source: Equipment specified in Sections 26 23 00, 26 24 16, 26 28 17, 26 29 14, 26 43 13, 26 25 13 shall be provided by the same manufacturer. Series Ratings: Overcurrent devices shall have fully rated interrupting capacity. Series rating of devices is unacceptable. EQUIPMENT AND DEVICE MARKING Externally mark all equipment, devices, conduits for feeders, branch circuits and similar devices using the same circuit designations as indicated on construction drawings and final Record Documents. Conduit marks shall be made at the point of origin and destination of the conduits, using permanent marker. Nameplates shall be black laminated rigid phenolic with white core. Emergency nameplates shall be red laminated phenolic with white cores. Nameplate minimum size shall be 1 inch high by 3 inches long with 3/16-inch-high engraved white letters. Supply blank nameplates for spare units and spaces. Nameplate Fasteners: Fasten nameplates to the front of equipment only by means of stainless steel self-tapping screws. Stick-ons or adhesives are not acceptable unless the NEMA enclosure rating is compromised, then only epoxy adhesive shall be used to attach nameplates. Nameplate Information: The general naming convention shall consist of the following segments: Building name in abbreviated form where equipment is located; Building floor where electrical equipment is located; Electrical system type: NP (normal power), EP (emergency power), LS (life safety branch), CB (critical branch), EB (equipment system branch); System voltage: M (medium voltage), H (277/480V) or L (120/208V); Individual equipment identification: A, B, C, etc. In general, provide the following information for the types of electrical equipment as listed: Switchgears, Switchboards, Distribution Panels and Motor Control Centers: On mains, identify the piece of equipment, the source, and voltage characteristics (i.e., 480/277\/ 3PH 4W). For each branch circuit protective device, identify the load served. Transformers, Individual Starters, Contactors, Disconnect Switches, Transfer Switches and Similar Equipment: Identify the device designation, voltage characteristics source and load served. Switchboards, Panelboards, Transformers, Motor & Circuit Disconnects: Identify equipment designation, voltage characteristics, and source designation. Equipment nameplate should also include the following: Fed From/Feeds or Source/Serves. Panelboards: Prepare a neatly typed circuit directory printed on 80 weight paper. This directory shall be installed behind clear heat-resistant plastic in a metal frame tack welded to the inside of the door for each panelboard. Identify circuits by equipment served and by building room numbers where room numbers exist. Indicate spares and spaces with light, erasable pencil marking. Adhesive mounted directory pocket is not acceptable. Removing and attaching panel schedules from the Drawings is not acceptable. Panelboards, Pull, Junction and Outlet Boxes: With inch high permanent lettering, identify conduits connected to panelboards, pull, junction and outlet boxes with the complete circuit number of the conductors contained therein. Neutral conductors shall be identified by wire marker tags in the panelboards, pull, junction and outlet boxes. Where multiple circuits are contained in a box, identify the circuit conductors with permanent tags which indicate circuit designation. Emergency circuit junction boxes and their covers shall be painted red. Circuit identification shall be marked on the junction box cover. Fire alarm circuits (only) shall be marked with half red covers and Fire Alarm marked on the face. Equipment and raceways over 600 Volts: Provide WARNING - HIGH VOLTAGE - KEEP OUT signs on all equipment. With 2-inch-high lettering, mark all exposed raceways containing conductors operating in excess of 600 volts every 100 feet and at each wall or floor penetration with the words "WARNING - HIGH VOLTAGE. Power receptacles, wall switches and dedicated outlets. Identify circuits as per Specification Section 26 27 26. Dedicated outlets: Dedicated is understood to be specific equipment listed by equipment number in the panel schedules or identified on the Drawings. Dedicated also includes computer outlets. Remote Ballasts: All lighting for new construction shall be LED. If required, for remote ballasts not within five (5) feet of their associated lighting fixture, provide appropriate permanent lettering on both the ballasts and the light fixture to identify which are mated to the other. INDUSTRIAL CONTROL PANELS The scope of the work does not intend to cover the Integrated Automation System, neither the design for a functional process control system. It is not intended to apply to the wirings that form an integral part of the equipment, such as motors, controllers, or factory assembled control equipment or listed utilization equipment. It intends to provide the guideline for constructing Industrial Control Panels defined by NFPA 70 Article 409. The electrical requirements pertaining to, but not limited to, branch circuits, luminaires, motor circuits and controllers, air-conditioning and refrigerating equipment, hazardous locations, short-circuit and ground-fault protection, overcurrent/overload protection, industrial machinery, etc. shall be in accordance with the applicable requirements from the specific articles in NFPA 70 Article 409 Table 409.3. Industrial Control Panels shall be built in accordance with the requirements of Division 25 Integrated Automation System, and shall utilize components that are UL listed, UL recognized, or specified by MDACC specifications. Component manufacturers shall have an established network of product distribution for parts replacement. The nearest distribution point shall be within 50 miles of the Project Site. Multi-section industrial control panels shall be bonded together with an equipment grounding conductor, or an equivalent equipment grounding bus sized in accordance with NFPA 70 Article 250. Equipment grounding conductors shall be connected to this equipment grounding bus or to equipment grounding termination point provided in a single-section industrial control panel. NFPA 70 Article 110 Table 110.20 shall be used as the basis for selecting industrial control panel enclosures for use in specific locations other than hazardous (classified) locations. Industrial control panel enclosures shall not be used as junction boxes, auxiliary gutters, or raceways for conductors feeding through or tapping off to other switches or overcurrent devices or other equipment, unless the conductors fill less than 40 percent of the cross-sectional area of the wiring space. The phase arrangement on 3-phase horizontal common power and vertical buses shall be A, B, C from front to back, top to bottom, or left to right, as viewed from the front of the industrial control panel. Spacing between live bare metal parts in feeder circuits shall not be less than specified in NFPA 70 Article 430 HYPERLINK "http://codesonline.nfpa.org/a/c.ref/2011_tab_NFPA-70_430.97/table" \t "_blank"Table 430.97. Control panel internal wiring shall be installed neatly in Panduit system. EXECUTION demolition [RENOVATION ONLY] Unless otherwise noted, remove all electrical materials and equipment from areas indicated for demolition. Removal of equipment shall not interfere with existing operations. Remove conduit and wire back to panelboards or to nearest junction box that is not being removed and needs to remain in service. Wire shall be removed back to point of origin. Turn off circuit breakers or switches serving abandoned circuits and tag breaker or switch and label in panel schedule as Spare. Materials and equipment to be removed, except items specifically noted to be relocated or delivered to the Owner, become property of the Contractor and shall be immediately removed from the Project Site. If the Owner identifies other items during construction, those items become Owner property and will be turned over to the Owner. Electrical services and controls to items being removed shall be disconnected and removed from the Project Site. All fluorescent lighting fixtures being removed from the Project Site that will not be turned over to the Owner shall have any PCB-containing ballasts removed from the fixtures for environmental disposal. Ballasts shall remain intact with wire leads at least twelve (12) inches long. Contractor shall ensure that light switches within the Work area remain operational. Where temporary 120-volt light strings are installed, a switch shall be provided for the light strings near the Project entry door. Responsibility. The Contractor shall be responsible for loss or damage to the existing facilities caused by him and his workmen and shall be responsible for repairing or replacing such loss or damage. The Contractor shall send proper notices, make necessary arrangements, and perform other services required for the care, protection and maintenance of electrical services for new and existing facilities. The Contractor shall erect temporary barricades, with necessary safety devices, as required to protect personnel from injury, removing such temporary protection upon completion of the work. Outages. Outages of services as required by the new installation will be permitted, but only at a time approved by the Owner. The Contractor shall coordinate with the Owners Representative to arrange for service outages. The Contractor shall allow the Owner sufficient time to schedule for required outages, in accordance with the applicable requirements of Division One and the General Conditions. Where not specified, required or directed elsewhere, allow a minimum of 21 working days for the Owner to schedule for required outages. The time allowed for outages will not be during normal working hours or during hours of research and instruction, unless otherwise approved by the Owners Representative. Costs of outages, including overtime charges, shall be included in the contract amount. Contractor is to close holes and restore walls to fire rated. Contractor shall follow MDA Recycling policy. Owner reserves the right to keep some equipment. INSTALLATION Installation shall meet or exceed all applicable federal, state and local requirements, referenced standards and conform to codes and ordinances of authorities having jurisdiction. Installation shall be in accordance with manufacturers published recommendations. Fasteners requiring explosive powder (shooting) or pneumatic-driven actuation will not be acceptable under any circumstances. Cooperation with Other Trades: Cooperate with trades of adjacent, related or affected materials or operations, and with trades performing continuations of this Work in order to effect timely and accurate placing of Work and to coordinate, in proper and correct sequence, the Work of such trades. Workmanship: Work shall be performed by competent workers skilled in their trade. This installation must be complete. Housekeeping Pads: Unless otherwise noted. Install 4-inch-thick concrete foundation pads for indoor floor-mounted equipment, except where direct floor mounting is required. Pour pads on roughened floor slabs, sized so that outer edges extend a minimum of 3 inches beyond equipment. Trowel pads smooth and chamfer edges to a 1-inch bevel. Secure equipment to pads as recommended by the manufacturer. Seal the concrete. Refer to Division 3 equipment pads and remove from Division 26. Refer to structural plans for additional requirements. Setting of Equipment: Equipment must be leveled and set plumb. Sheet metal enclosures mounted against a wall must be separated from the wall not less than 1/4 inch by means of corrosion-resistant spacers or by 3 inches of air for freestanding units. Use corrosion resistant bolts, nuts and washers to anchor equipment. Provide Drawings and layout Work showing exact size and location of sleeves, openings or inserts for electrical equipment in slabs, walls, partitions and chases in sufficient time to be coordinated with Work under other divisions. Sealing of Equipment: Seal openings into equipment to prevent entrance of animals, birds and insects. Motors: Electrical Work includes the electrical connection of all motors, except those that are wired as a part of equipment. Concealed Work: Conceal all electrical Work in walls, floors, chases, under floors, underground, and above ceilings except: Where shown or specified to be exposed. Exposed is open to view. Where exposure is necessary to the proper function. Where size of materials and equipment preclude concealment. Application: Unless otherwise indicated, power will be utilized as follows: 480 volts, three phase: Motors horsepower and larger and electric heating equipment. 120 volts, single phase: Motors horsepower and smaller. 120 volts, single phase: Convenience outlets. 208 volts, single and three phase: Power outlets. Transformers: Use transformers to change the service to the required utilization voltages. Provide final electrical connections to equipment furnished under other divisions and by the Owner. For owner provided existing equipment, contractor to field verify location of rough-in points. Furnish detailed Shop Drawings of equipment indicating the exact number and location of rough-in points. Such final Shop Drawings may indicate adjustments in total number and exact location of rough-in points, and in equipment dimensions. Making adjustments to field conditions is considered a part of the Work required. Roughing-in: When roughing-in electrical branch circuits to various items of equipment, terminate at proper points as indicated on detailed equipment Shop Drawings or as directed by Owner. Do not rely on Drawings accompanying these Specifications for rough-in locations, only for general routing of circuiting. Final Connections: Laboratory casework, medical equipment, and food service equipment will include service fittings such as switches, duplex receptacles, lighting fixtures, etc., on the casework or equipment. Provide branch circuit connections to meet service fitting requirements. Refer to Divisions 07 and 09 for sealing and firestopping requirements where raceways penetrate smoke, fire, and sound rated walls. All unused openings such as but not limited to, knockouts on panels and boxes, surface wireway openings, busway openings, circuit breaker empty slots shall be covered with approved cover plates. Temporary power equipment and distribution for construction shall not occupy building spaces or block pathways that are designated for permanent installation of other trades according to design drawings. TESTING Test Conditions: Place circuits and equipment into service under normal conditions, collectively and separately, as may be necessary to determine satisfactory operation. Perform specified tests in the presence of the Owner's representative(s). Furnish all instruments, wiring, equipment and personnel required for conducting tests. Demonstrate that the equipment operates in accordance with requirements of the Contract Documents. Special tests on certain items are specified hereinafter. Testing shall be performed by an independent testing company that is Owner approved, and National Electrical Testing Association (NETA) certified. Submit copies of all functional test reports and discrepancies to Owner. Prior to testing, Contractor shall submit to Owner for approval, installation verification Prefunctional Checklists and Functional Performance Test procedures. These shall be used for documentation as part of the commissioning process. Submit copies of all pre-functional test reports to Owner. All instruments required for conducting the tests shall be NIST (National Institute for Standard and Technology) certified or traceable, and calibrated at the time of testing. Test Dates: Schedule final acceptance sufficiently in advance of the Contract date to permit completion of any necessary adjustment or alterations within the number of days allotted for completion of the Contract. Provide written notification to Owner at least fourteen (14) calendar days in advance of Functional Performance Test dates. Retests: If retesting is required due to initial failure, conduct retests of such time duration as may be necessary to assure proper functioning of adjusted or altered parts or items of equipment. Any resultant delay as a result of such necessary retests does not relieve the Contractor of Contractors responsibility under this Contract. Circuit Verification: All 277/480-volt and 120/208-volt single-phase circuits shall be verified to match the Drawings and panel schedules by ringing out" each circuit in the presence of the Owners representative(s). Refer to Commissioning Specification Sections for additional start-up, pre-functional and operational checkout. This procedure shall be done for all projects including new construction and renovations regardless of project size. Provide as-built documentation with circuit identification corrected per verification. 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