2. 26 00 00 - Electrical Specifications.pdf
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- Solicitation number
- S-P03012-00012402
- Issued by
- Clackamas County, Oregon
About this file
This file contains electrical specifications for a chiller replacement project at RPHS (assumed to be a school facility) under project number NCS2401 NCSD. The specifications detail comprehensive electrical requirements across multiple sections including general provisions, conductors/connectors, grounding/bonding, conduits/raceways/boxes/fittings, identification, and enclosed switches/circuit breakers. The document outlines technical requirements for materials, installation methods, testing procedures, and quality control measures for the electrical components of the chiller replacement project.
The specifications establish a clear division of responsibilities between Division 23 (Mechanical) and Division 26 (Electrical) contractors, particularly regarding equipment motors, starters, VFDs, control centers, disconnect switches, and control wiring. The document specifies requirements for submittals including shop drawings, product data, and operation/maintenance information to be provided in electronic PDF format. Detailed specifications are provided for conductor types, grounding systems, conduit materials and installation, electrical identification requirements, and motor starters/disconnect switches. The specifications mandate all installations must conform to applicable Federal, State and Local codes and requires contractors to obtain necessary permits and inspections.
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NCS2401 NCSD – RPHS – CHILLER REPLACEMENT SECTION 26 00 00
ELECTRICAL SPECIFICATIONS INDEX
26 00 00 General Provisions
26 05 19 Conductors and Connectors
26 05 26 Grounding and Bonding
26 05 33 Conduits, Raceways, Boxes and Fittings
26 05 53 Identification
26 28 16 Enclosed Switches and Circuit Breakers
GENERAL PROVISIONS
PART 1 GENERAL
1.1 DESCRIPTION
A. The General and Supplemental Conditions apply to this Division, including but not limited to:
1. Drawings and Specifications.
2. Public ordinances, permits. Including but not limited to electrical and fire alarm permits.
3. Payments and fees required by governing authorities for work included in this Division.
4. Change orders.
B. Division 1, General Requirements apply to this Division, including but not limited to:
1. Summary, Section 01 01 00
2. Cutting and Patching, Section 01045
3. Submittals, including Shop Drawings, Product Data and Samples, Section 01 30 00
4. Construction facilities and Controls, Section 01 50 00
5. Substitution Request Forms, Section 01 60 01
6. Closeout Submittals, Section 01 78 00
1.2 MECHANICAL WIRING
A. The following schedule is intended to summarize the division of work and responsibilities between Division 23 and Division 26
ITEM
FURNISHED
BY INSTALL BY
POWER
WIRING CONTROL WIRING
1. Division 23 Equipment Motors
Div. 23 Div. 23 Div. 26 Div. 23
2. Motor Starters, Contactors and Overload Heaters – Integral
Div. 23 Div. 26 Div. 26 Div. 23
3. Variable Frequency Drives (VFD’s)
Div. 23 Div. 26 Div. 26 Div. 23
4. Motor Control Centers
Div. 26 Div. 26 Div. 26 Div. 23
5. Fused & Unfused Disconnect Switches
Div. 26 Div. 26 Div. 26 ------
6. Manual Operation Switches
Div. 26 Div. 26 Div. 26 Div. 26
7. Control Relays & Transformers
Div. 23 Div. 23 Div. 23 Div. 23
8. Energy Management Control Panels
Div. 23 Div. 23 Div. 26 Div. 23
ITEM
FURNISHED
BY INSTALL BY
POWER
WIRING CONTROL WIRING
9. Motorized Solenoid Valves
Div. 23 Div. 23 Div. 23 Div. 23
10. Duct Mounted smoke Detectors
Div. 23 Div. 23 Div. 26 Div. 23 – Equipment Shutdown
Div. 28 – Fire Alarm
11. Fire/Smoke and Smoke Dampers
Div. 23 Div. 23 Div. 26 Div. 26
Div. 28 – Fire Alarm
1.3 CONTRACT DOCUMENTS
A. The Electrical Drawings and Specifications are complementary and what is called for by one shall be as binding as if called for by both. Items shown on the Drawings are not necessarily included in the Specifications. All directives and instructions to furnish, provide, install, complete, test and methods described in these Specifications and Drawings shall be interpreted as directives to the Electrical Contractor unless clearly specified otherwise. It is the intent of these specifications and the accompanying drawings to describe complete and functional electrical systems. If errors or discrepancies are discovered, notify the Project Manager immediately.
1.4 SITE VISITATION
A. The contractor shall visit the site prior to bidding to familiarize himself with existing conditions and all other factors which may affect the execution of the work.
1.5 CODES, ORDINANCES AND REGULATIONS
A. The completed installation shall conform to all applicable Federal, State and Local Codes, Ordinances and Regulations.
B. Obtain all necessary permits and inspections required by the governing authorities having jurisdiction over this work.
C. Furnish to the Project Manager a certificate of approval from the inspection authority at the completion of the work, prior to the application for final payment.
1.6 SCOPE OF WORK
A. The work covered by this Specification shall include furnishing all labor, materials, equipment and services to construct and install the complete electrical system as shown on the Drawings and specified herein. Verify all conditions on the job site and lay out work accordingly.
B. The work shall include, but is not necessarily limited to, the following systems:
1. Complete lighting with branch circuiting.
2. Complete lighting control system.
3. Complete power system with branch circuiting.
4. Distribution Equipment and Panelboards
5. Grounding continuity
6. Connection of electrical equipment furnished under other Divisions of work.
7. Connection of equipment provided by owner
8. Telecommunication provisions
9. Addressable Fire alarm system
a. Provide a design-build fire alarm signaling system.
b. Coordinate with the AHJ for minimum code requirements.
c. Refer to Fire Alarm System Specification Section 28 31 00
10. Electrical contractor will provide the following:
a. Coordination studies
b. Arc Flash Analysis
c. Short—Current Analysis
C. The following equipment and work will be furnished under other Divisions of Work:
1. Telephone, data and television wiring and equipment. (Note: coordinate with above scope.)
2. Mechanical equipment motors and heaters, unless otherwise noted on drawings.
3. Equipment control wiring beyond the provisions shown on the Electrical Drawings.
1.7 WARRANTY
A. Provide a written one-year warranty covering the work done under this Division as required by the General Conditions. Incandescent lamps will be excluded from this warranty.
B. Systems and Apparatus:
1. Free of defects of material and workmanship and in accord with the Contract Documents.
2. Built and installed to deliver its full rated capacity at the efficiency for which it was designed.
3. Operate at full capacity without objectionable noise or vibration.
1.8 SUBMITTALS
A. Refer to Division 1 requirements.
B. Submit all electrical data in electronic PDF format, provide in individual sections, indexed by section numbers, covering all items of equipment and systems. Submit all electrical items at one time.
C. The installation and Record Drawings called for under submittals shall show all outlets, devices, terminal cabinets, conduits, wiring and connections required for the complete system described.
Drawings will be at the same sheet size and scale as the construction documents. Prints of these drawings shall be submitted prior to starting installation. The Contractor submitted drawings, when approved, will then form the basis for installation.
D. Submittals will not be reviewed unless equipment is specifically indicated. Items not marked with model numbers and all options will be rejected and will need to be resubmitted. SDC will not try to interpret the contractor’s intent.
PART 2 PRODUCTS
2.1 APPROVALS AND SUBSTITUTIONS
A. The use of manufacturer's names, models and numbers in this Specification is intended to establish style, quality, appearance, and usefulness. If not as specified all Items will require prior approval.
B. Submit for the Project Manager's approval, manufacturer's detailed specifications and data sheets for all proposed substitutions. Submittals shall consist of a single sheet, or sheets, if required, for each piece of equipment and shall give the specific data needed for consideration of approval. All pertinent data listed in the Specifications and in Schedules shall be furnished, including all special features. See that all submittals are in proper order, and that all equipment will fit in the space provided.
C. The Project Manager reserves the right to require the submission of an actual sample before the acceptance of any product as an equal to that specified.
2.2 MATERIAL APPROVALS AND SHOP DRAWINGS
A. Submit all electrical data in electronic PDF format, provide in individual sections, indexed by section numbers, covering all items of equipment and systems. Include wiring diagrams where called for.
B. Review and recommendations by the Project Manager or Engineer are not to be construed as change authorizations. If discrepancies between the shop drawings submitted and the Contract Documents are discovered either prior to or after the data is processed, the Contract Documents will govern. Shop drawing review will not occur without contract cost data as outlined below.
PART 3 EXECUTION
3.1 CONTRACT COST DATA
A. Furnish to the Project Manager a cost breakdown of the Electrical Contract.
B. The cost breakdown shall include separate amounts for material and labor for each category listed below. Include costs data with the shop drawings submittal.
1. Lighting with branch circuiting
2. Lighting control system
3. Power system with branch circuiting.
4. Distribution Equipment and Panelboards
5. Grounding continuity
6. Connection of electrical equipment furnished under other Divisions of work.
7. Connection of equipment provided by owner.
8. Telecommunication provisions
9. Addressable Fire alarm system
10. Alternates (listed individually)
3.2 CHANGE ORDERS
A. All supplemental cost proposals by the Contractor shall be accompanied with a complete itemized breakdown of labor and materials cost without exception. Contractor's estimating sheets for the supplemental cost proposals shall be included. Labor must be separated and allocated for each item of work. Material cost, as used in this section, to be Contractor's actual "invoice" cost. All discounts shall be detailed and shown on the invoice. Labor cost shall be the actual cost per manhour including all taxes and fees. The total estimated cost for any change will be considered a not-to-exceed price. The supplemental cost approval will be based on this estimate but actual change order request for payment will be based on the contractor’s actual cost to perform this work and shall be accompanied with a complete itemized breakdown of labor and materials cost with backup invoices, without exception.
3.3 OPERATING AND MAINTENANCE DATA
A. The Contractor shall provide operating instructions and maintenance data. Submit all electrical data in electronic PDF format; provide in individual sections, indexed by section numbers, covering all items of equipment and systems, for all equipment and materials called for under this Division.
B. Submit Provide one PDF on flash drive and two (2) hard copies of the operating and maintenance data for review at least four weeks before final review of the Project. Assemble all data in a completely indexed volume or volumes and identify the size, model, and features indicated for each item.
C. Maintenance instruction manuals shall include complete cleaning and servicing data compiled in clearly and easily understandable form. Data shall show serial numbers of each piece of equipment and complete lists of replacement parts.
3.4 ELECTRONIC INFORMATION
A. Electronic record information in AutoCAD format will be provided to the general contractor upon request. One (1) copy of the base project construction document files will be made available to the contractor at no charge, each additional request will be provided at a cost of $500 per request.
B. All contractors and subcontractors requiring electrical plans will make their request for the construction documents through the general contractor.
3.5 RECORD INFORMATION
A. Maintain one set of construction documents marked up (red-lined) on a daily basis as the work progresses, showing all changes, deviations, change orders, omissions, or other variations from the contract drawings.
B. Record all conduits, stubups and equipment by dimensions from gridlines, below grade, above floor, etc. Show location of all access panels, rough-in for future, etc.
C. Make record documents available to the Project Manager for review or printing during construction.
D. On acceptance of the contractor record drawings by the Project Manager, the contractor will transfer the record information in "AutoCAD" format to the electronic "AutoCAD" drawing files. Refer to 26 00 00-3.4(A) for obtaining documents and applicable charges.
E. Deliver record drawings files to the Project Manager promptly upon completion of the project. Record information added to the "AutoCAD" drawing files is to have compatible format, linework and lettering as the original files. All new work done by the contractor on the original drawing files is to be on a single layer noted in the revised drawing file as "RECORD".
3.6 PROTECTION OF WORK
A. Protect all electrical work and equipment installed under this Division against damage by other trades, weather conditions or any other causes. Equipment found damaged or in other than new condition will be rejected as defective.
B. Switchgear, transformers, panels, light fixtures and all electrical equipment shall be kept covered or closed to exclude dust, dirt and splashes of plaster, cement or paint and shall be free of all such contamination before acceptance. Enclosures and trims shall be in new condition, free of rust, scratches and other finish defects. Properly refinish in a manner acceptable to the Project Manager, if damaged.
3.7 MAINTENANCE OF SERVICE
A. Electrical service shall be maintained to all functioning portions of the building throughout construction, except as noted below, during all normal working hours of the building occupants.
Outages to occupied areas shall be kept to a minimum and be prearranged with the Project Manager or Owner's Representative. This Contractor will be liable for any damages resulting from unscheduled outages or for those not confined to the pre-arranged times.
B. Signal and communication systems and equipment shall be kept in operation wherever these serve occupied or functional portions of the building. Outages of these facilities shall be treated the same as electrical power outages.
C. Telephone services where required during the construction work will be maintained by the telephone company. This work shall be coordinated with the telephone company in such a manner that service, as required by the building occupants, can be readily installed and maintained.
D. Include all costs for temporary facilities, overtime labor and necessary provisions to maintain electrical services in the initial bid proposal. Temporary wiring and facilities, if used, shall be removed and the site left clean before final acceptance.
END OF SECTION
NCS2401 NCSD – RPHS – CHILLER REPLACEMENT SECTION 26 05 19
CONDUCTORS AND CONNECTORS
PART 1 GENERAL
1.1 DESCRIPTION
A. Work Included:
1. Deliver conductors to the job site in cartons, protective covers or on reels.
2. Conductors for special systems shall be as recommended by the equipment manufacturer except as noted.
3. Conductor sizes shown on drawings are for copper only.
1.2 RELATED WORK
A. Section 26 00 00: General Provisions
B. Section 26 05 00: Basic Materials and Methods.
1.3 SUBMITTALS
A. Shop Drawings.
B. Product Data
PART 2 PRODUCTS
2.1 CONDUCTORS - 600 V
A. Type:
1. No. 12 AWG minimum size unless noted otherwise.
2. No. 8 and larger, stranded, Class B.
B. Stranding: Copper, concentric or compressed
C. Insulation: THHN, THWN, XHHW unless noted or specified otherwise.
D. Through wiring in all fixtures shall be rated for 90-degree C.
E. Manufacturers: Southwire, G.E., Hatfield, Anaconda, Rome or equal.
2.2 CORD DROPS AND PORTABLE CORDS
A. Copper type "S" or "SO" heavy duty, rubber insulated unless otherwise noted.
2.3 CONNECTORS
A. Branch Circuit Conductor Splices: Live spring type, Scotch-Lok, Ideal Wing Nut or self-stripping type, 3M Series 560 or approved equivalent.
B. Cable Splices: Compression tool applied sleeves, Kearney, Burndy or equal with 600V heat shrink insulation.
C. Lugs: Conductors no. 6 and larger, except on molded case circuit breakers, two-hole, long barrel pressure tool set Thomas & Betts No. 54,000 series, Burndy "Hydent", Anderson Electric VCEL, or approved equivalent.
PART 3 EXECUTION
3.1 CONDUCTORS
A. Branch circuit wiring shall be copper only. Feeders for sub-panels 400A and less shall be copper, feeders for sub-panels greater than 400A are acceptable in aluminum.
B. Pulling compounds may be used with the residue cleaned from the conductors and raceway entrances after the pull is made.
C. Pulleys or blocks shall be used for alignment of the conductors when pulling. Pulling shall be in accordance with manufacturer's specifications regarding pulling tensions, bending radii of the cable and compounds.
D. Conductors entering terminal or junction boxes mounted on hermetically sealed refrigeration compressor motors shall be copper.
E. Make up and insulate wiring promptly after installation of conductors. Wire shall not be pulled in until all bushings are installed and raceways terminations are completed. Wire shall not be pulled into conduit embedded in concrete until after the concrete is poured and forms are stripped.
F. Conductor sizes shown on the Drawings are for copper only.
3.2 CONNECTORS
A. Control and special systems wires shall be terminated with a tool applied spade flared lug when terminating at a screw connection.
B. All screw and bolt type connectors shall be made up tight and retightened after an eight-hour period.
C. All tool-applied compression connectors shall be applied per manufacturer's recommendations and physically checked for tightness.
3.3 COLOR CODING
A. Phase color code to be consistent at all feeder terminations, A-B-C left-to-right or A-B-C top-to-bottom.
B. Switchlegs, travelers, etc. to be consistent with the phases to which connected or a color distinctive from that listed.
C. Under 250 Volts Phase-to-Phase:
Phase A - Black Neutral - White
Phase B - Red Ground - Green
Phase C - Blue
D. Over 250 Volts Phase-to-Phase:
Phase A - Brown Neutral - White with tracer
Phase B - Orange Ground - Green
Phase C - Yellow
NCS2401 NCSD – RPHS – CHILLER REPLACEMENT SECTION 26 05 26
GROUNDING AND BONDING
PART 1 GENERAL
1.1 DESCRIPTION
A. Work Included:
1. Provide complete building grounding system.
2. Provide ground bus bar at each telephone demarcation and data distribution location.
1.2 RELATED WORK
A. Section 26 00 00: General Provisions, B. Section 26 05 00: Basic Materials and Methods, C. Section 26 05 19: Conductors and Connectors
D. Section 26 27 26: Wiring Devices and Plates
PART 2 PRODUCTS
2.1 GROUND CONDUCTORS
A. Bare or green insulated copper.
2.2 GROUND ROD CONNECTORS
A. Cast, set screw or bolted type.
2.3 ELECTRODES
A. Copper clad steel minimum 3/4-inch diameter by 8 feet long.
PART 3 EXECUTION
3.1 INSTALLATION
A. Grounding system will consist of the following:
1. Minimum of 20’ bare no. 4 copper concrete-encase grounding conductor.
2. Provide bond to building steel.
3. Provide bond to cold water piping within 5’ of building entry.
4. Provide bond to minimum of 2 ground rods.
B. Establish a ground for each separately derived system, e.g., transformers and generators, per NEC 250-
30.
C. All grounding conductors shall be sized in accord with the National Electrical Code.
D. Grounding conductor connectors shall be made up tight and located for future servicing and to ensure low impedance.
E. Ground the electrical system, the cold-water service, structural steel, and transformers to the building ground grid.
F. All feeder and service raceways shall be grounded.
G. All plug-in receptacles shall be bonded to the boxes, raceways and grounding conductor.
H. Provide equipment-grounding conductor in all branch circuit, feeder and service raceways.
I. Provide insulated grounding conductor in all branch circuit wiring serving Classrooms, Administration offices and all data locations.
J. Provide bonding jumper between ground and neutral bus at main service.
3.2 GROUND BUS BAR (TELEPHONE DEMARCATION AND DATA DISTRIBUTION)
A. Provide & install copper ground bus bar on isolators, 6" x 2" minimum. Install 1 - #6 insulated conductor to the building grounding connection at the main distribution panel.
NCS2401 NCSD – RPHS – CHILLER REPLACEMENT SECTION26 05 33
CONDUITS, RACEWAYS, BOXESAND FITTINGS
PART 1 GENERAL
1.1 DESCRIPTION
A. Work Included:
1. Provide raceways and conduits of specified types for all electrical systems wiring, except where clearly shown or specified otherwise. All fittings, boxes, hangers and appurtenances shall be included.
2. Size raceways and conduits as indicated on the Drawings. Where no size is indicated, conduit may be the minimum code permitted size for the quantity of type THW conductors installed.
Minimum size is 3/4”.
1.2 RELATED WORK
A. Section 26 00 00: General Provisions
B. Section 26 05 00: Basic Materials and Methods
1.3 SUBMITTALS
A. Shop Drawings.
B. Product Data.
C. Operational Instructions and Maintenance Data.
PART 2 PRODUCTS
2.1 METALLIC CONDUITS
A. GRC: Threaded rigid heavy wall galvanized steel.
B. IMC: Threaded intermediate galvanized steel.
C. EMT: Zinc coated steel electrical metallic tubing.
D. ARC: Threaded rigid heavy wall aluminum.
E. Flex: Flexible metal with and without polyvinyl chloride jacket.
F. Liquidtight flexible conduit: Zinc steel core with smooth gray abrasion-resistant, liquid-tight PVC cover with integral ground wire wound in steel core.
2.2 NON-METALLIC CONDUITS
A. Rigid non-metallic conduit: Type II PVC schedule 40, suitable for use with 90 degrees C rated wire.
Conduit shall conform to UL Standard 651 and carry appropriate UL listing for above and below ground use.
2.3 SURFACE RACEWAYS
A. Acceptable manufacturer(s): Wiremold, Panduit or approved equivalent.
B. Type, size with quantity and spacing of outlets as shown on drawings. Provide with snap-on cover, connectors, fittings and incidental items required for a complete installation. Raceway shall be in continuous length as indicated on drawings.
2.4 WIREWAYS
A. Troughs: Steel, painted, square in cross section, preformed knock-outs on standard spacing, hinged cover.
B. Fittings: Tees, elbows, couplings as required for configuration shown on the Drawings.
C. Supports: U-shaped, 1/4-inch by 1-1/2-inch steel strap, bent and prime painted.
2.5 FITTINGS
A. GRC, IMC AND ARC:
1. The conduit itself must be threaded, threaded couplings attached by any means are not allowed.
2. Threaded locknuts.
3. Threaded bushings: 1-1/4 inch and larger shall be of the insulated, grounding type as required under Section 26 05 26.
4. Expansion fittings: O-Z/Gedney Electrical Mfg. Co. type E expansion coupling with bonding jumper for up to four inches of movement.
B. EMT:
1. Connectors: compression ring type for conduit termination, with insulated throat, suitable for conditions used.
2. Couplings: compression ring type, concrete tight.
C. Weatherproof Connectors: Threaded pipe connections with waterproofing compound.
2.6 METALLIC BOXES
A. Flush and Concealed Outlet Boxes: Galvanized stamped steel with screw ears, knock-out plugs, mounting holes, fixture studs if required, RACO or equal.
B. Surface Outlet Boxes: Galvanized stamped steel same as above for use on ceilings; cast steel or aluminum with threaded hubs for use on walls.
C. Large Boxes: Boxes exceeding 4-11/16 inches square when required shall be welded steel construction with screw cover and painted, steel gauge as required by physical size, Hoffman, Circle AW or equal.
D. Floor Boxes:
1. Fully adjustable, Walker 880 series, Hubbell or approved substitute.
2. Equip all floor outlets with Lexan polycarbonate flanges, black finish, Walker 817, 827 or 837 series with cover plate, Hubbell or approved substitute. Verify floor type.
E. Floor Boxes (Power and Data):
1. Fully adjustable flush concrete box, Walker “Resource RFB” series, model RFB4 or approved equivalent.
2. Equip all floor boxes with flange blank plate with mire management blocks. Verify floor type.
2.7 NON-METALLIC BOXES
A. PVC, molded enclosures, threaded hubs.
2.8 OTHERS
A. Any conduits, fittings, etc. specifically not mentioned above are not approved for use.
PART 3 EXECUTION
3.1 INSTALLATION
A. Conceal all conduits in finished spaces and elsewhere so far as practicable. Concealed conduits shall run in a direct line with long sweep bends and offsets. GRC and IMC embedded in concrete below grade or in damp locations shall be made water-tight by painting the entire male thread with Rustoleum metal primer, or equal, before assembly.
B. Route exposed conduit parallel or at right angles to structural building lines, and neatly offset into boxes. Conduits attached directly to building surfaces shall closely follow the surfaces. Conduit fittings shall be used to "saddle" under beams.
C. Conduits, whether exposed or concealed, shall be securely supported, and fastened at intervals of nominally every 8 feet and within 18 inches of each outlet, ell, fitting, panel, etc.
D. Keep conduit and raceways closed with suitable plugs or caps during construction to prevent entrance of dirt, moisture, concrete or foreign objects. Raceways shall be clean and dry before installation of wire and at the time of acceptance.
E. Pack spaces around conduits with oakum and seal to prevent entrance of moisture where conduits are installed in sleeves or block-outs penetrating moisture barriers.
F. Where conduits penetrate fire rated concrete walls or floors, provide non-combustible caulking or putty
3M-fire barrier material of thickness required to equal or exceed the fire rating of wall or floor.
3.2 CONDUIT
A. Install GRC or IMC galvanized steel conduits for wiring underground, in-cast-concrete construction, in damp locations, in hazardous areas and where subject to mechanical injury, with threaded fittings made up tight.
B. All conduit and flexible cable routed/run overhead must be installed above the bottom chord of the roof joist. All conduit located within 10’ of finish floor shall be rigid galvanized steel conduit.
C. EMT may be employed in all other dry protected locations.
D. ARC may be used wherever EMT is acceptable, with no restriction on size.
E. Flex is required where flexibility is necessary as at motors, transformers, and recessed lighting fixtures, etc. Flex shall be jacketed type, except where concealed in dry locations and spaces such as ceiling cavities.
F. PVC may be used underground, under interior slabs or where scheduled or noted on the Drawings.
Make connections with waterproof solvent cement. Provide GRC at 60 degree and larger bends and where penetrating slabs or elling up above grade in exterior locations. PVC conduit shall not be installed less than 30" under roadways or areas subject to heavy traffic. Provide a ground wire sized per code in all PVC conduits. Conductor quantities indicated in conduits do not include ground wires unless otherwise noted.
G. Conduit stubbed from a concrete slab or wall to serve an outlet under a table or to supply a machine shall have a rigid conduit coupling flush with the surface of the slab. Provide plug where conduit is to be used in future.
H. Conduits in above-grade slabs shall be located in the middle of the slab. The maximum size, spacing, and location of conduits in post-tensioned slabs shall be subject to approval by the structural engineer
Conduits larger than one inch shall not be run in slabs.
3.3 RACEWAYS
A. Surface metal raceway with snap-in cover may be used in finished spaces only as specified or shown on
Drawings.
B. Surface metal wireways may be installed at locations to serve motor starters or other control devices where required by a multitude of wiring interconnections or physical layout.
C. Expansion Joints:
1. All conduits crossing expansion joints where cast in concrete shall be provided with expansion-deflection fittings, equivalent to OZ/Gedney AXDX, installed per manufacturers recommendations.
2. All conduits three inches and larger where not cast in concrete shall be rigidly secured to the building structure on opposite sides of a building expansion joint with an expansion-deflection fitting across the joint, equivalent to OZ/Gedney AXDX, installed per manufacturer's recommendations.
3. All conduits less than three inches where not cast in concrete shall be provided with junction boxes securely fastened on both sides of the expansion joint, connected together with 15 inches of slack (a minimum of 15 inches longer than the straight-line length) flexible conduit with copper green ground bonding jumper. In lieu of this flexible conduit, an expansion-deflection fitting, as indicated for conduits three inch and larger, may be installed.
D. Seismic Joints
1. No conduits cast in concrete shall be allowed to cross a seismic joint.
2. All conduits shall be provided with junction boxes securely fastened on both sides of the expansion joint, connected together with 15 inches of slack (a minimum of 15 inches longer than the straight-line length) flexible conduit with copper green ground bonding jumper. Prior to installation, verify with Project Manager that the 15 inches is adequate for the designed movement, and if not, increase this length as required.
3.4 SURFACE RACEWAYS
A. The raceway system shall provide a complete enclosure that protects the wires installed therein against damage.
B. There shall not be any openings that exceed 1/16 inch (1.59 mm) in width on surfaces that are accessible following installation of the system.
3.5 FITTINGS
A. Metallic raceways and conduits shall be assembled continuous and secured to boxes, panels, etc., with appropriate fittings to maintain electrical continuity. All conduit joints shall be cut square, reamed smooth with all fittings drawn up tight.
3.6 BOXES
A. Outlet boxes shall be of code required size to accommodate all wires, fittings and devices. Provide multi-gang boxes as required to accept devices installed with no more than one device per gang. Equip all metallic boxes with grounding provisions.
B. Flush wall switch and receptacle outlets used with conduit systems shall be 4 inches square, 1-1/2 inches or more deep, with one or two-gang plaster ring mounted vertically. Where three or more devices are at one location, use one-piece multiple gang tile box or gang box with suitable device ring.
C. Wall bracket and ceiling surface mounted lighting fixture outlets shall be 4-inch octagon, 1-1/2-inches deep with 3/8-inch fixture stud where required. Wall bracket outlets to have single gang opening where required to accommodate fixture canopy. Provide larger boxes or extension rings where quantity of wires installed requires more cubic capacity.
D. Boxes for the special systems shall be suitable for the equipment installed. Coordinate size and type with the system supplier.
E. Provide pull boxes where shown, or in conduit runs greater than 100 feet, or where required to limit the number of bends in any conduit to not more than three 90-degree bends or equivalent. Use galvanized boxes of code-required size with removable covers installed so that covers will be accessible after work is completed. Do not locate pull boxes or junction boxes in finished areas unless specifically shown or special permission is obtained from Project Manager.
F. Boxes shall be flush with finished surfaces or not more than 1/8-inch below surface and be level and plumb. Long screws with spacers or shims for mounting devices will not be acceptable. No combustible material shall be exposed to wiring at outlets.
NCS2401 NCSD – RPHS – CHILLER REPLACEMENT SECTION 26 05 53
IDENTIFICATION
PART 1 GENERAL
1.1 WORK INCLUDED
A. Clearly and properly identify the complete electrical system to indicate the loads served or the function of each item of equipment connected under this work.
PART 2 PRODUCTS
2.1 LABELS
A. Panels: Typed or pre-printed white permanent materials labels with adhesive backing, Specified
Products, Inc. or equal.
B. Switchgear, Panelboards and Transformers: "Lamicoid", 3-ply laminated plastic, black with white letters, Minimum ¼” letters.
1. Provide label on MDP to read:
THIS INSTALLATION DESIGNED BY
SYSTEM DESIGN CONSULTANTS, INC.
PORTLAND, OR
503-248-0227
(year installed)
C. Equipment: Dymo-Tape, plastic tape with adhesive backing, field printed with proper tool.
PART 3 EXECUTION
3.1 SWITCHGEAR
A. Label the main and feeder protective devices in all distribution panels with laminated plastic labels indicating the function or the load served.
B. Provide labels for all bussed spaces indicating size of future breaker or switch that may be installed in the space reserved.
3.2 BRANCH CIRCUIT PANELBOARDS
A. Indicate panel number with laminated plastic labels. Indicate voltage phase and feeder source, feeder wire size, and feeder breaker or fuse size with white permanent labels on the inside of the panel door.
B. Provide machine-printed panel directories with protective, clear transparent covers, accurately accounting for every breaker installed, including spares. Schedules shall use the actual room designations assigned by name or number near completion of the work and not the space designation on the Construction Drawings.
3.3 EQUIPMENT
A. Label all disconnect switches, motor starters, relays, contactors, time switches indicating voltage, amperage, circuit number and equipment served with white permanent labels.
B. Label all transformers and busways with black and yellow 4-1/2 inch high pre-printed adhesive backed materials.
3.4 SYSTEMS
A. Complex control circuits may utilize any combination of colors with each conductor identified throughout, using wraparound numbers or letters. Use the number or letters shown where the Drawings or operation and maintenance data indicate wiring identification.
B. Label the fire alarm and communication equipment zones, controls, indicators, etc. with machine printed labels or indicators appropriate for the equipment installed, as supplied or recommended by the equipment manufacturer.
NCS2401 NCSD – RPHS – CHILLER REPLACEMENT SECTION26 28 16
ENCLOSED SWITCHES AND CIRCUIT BREAKERS
PART 1 GENERAL
1.1 DESCRIPTION
A. Work Included:
1. Provide manual or magnetic motor starters of the proper characteristics for equipment as listed on the Drawings or not provided by Mechanical Division 23 00 00, i.e. overhead door operators.
2. Provide switches of proper characteristics as disconnecting means.
1.2 QUALITY CONTROL
A. All motor starters and disconnects shall be of the same manufacture as service equipment or panelboards.
1.3 RELATED WORK
A. Section 26 00 00: General Provisions
B. Section 26 05 00: Basic Materials and Methods
C. Section 26 28 00: Circuit Protective Devices
1.4 SUBMITTALS
A. Shop Drawings.
B. Product Data.
C. Operation Instruction and Maintenance Data.
PART 2 PRODUCTS
2.1 MOTOR STARTERS
A. Manual starters, toggle type, quick-make, quick-break with thermal overload protection and suitable enclosures.
B. Enclosures shall be NEMA 1 for indoor use and NEMA 3R where installed exposed to the weather or designated by the subscript "WP".
C. Magnetic starters, full voltage across the line non-reversing type, 120 volt coils, overload relays in each leg, H-O-A selector switches, red running pilot lights, auxiliary contacts, 120V control transformers and suitable enclosures. The starters shall be combination type with fusible switches where shown adjacent to the disconnect switch.
2.2 DISCONNECTS
A. Safety and disconnect switches shall be NEMA type HD (heavy duty), quick-make, quick-break, dual rated with electrical characteristics as required by the system voltage and the load served. Switches shall be equipped with a defeatable cover interlock.
B. Enclosures shall be NEMA 1 for indoor use and NEMA 3R where installed exposed to the weather or designated by the subscript "WP".
C. Disconnects shall be fusible or non-fusible as designated on Drawings and/or required by code.
PART 3 EXECUTION
3.1 CLEARANCES
A. Maintain all code-required clearances under this work.
3.2 MOTOR STARTERS
A. Provide the motor starting equipment as shown on the Drawings and coordinate all motor "overload" starter relays.
B. Install the starters at the respective equipment unless shown otherwise.
3.3 DISCONNECT SWITCHES
A. Provide all code required disconnect switches under this work whether specifically shown or not.
B. Disconnect switches required when equipment is not in sight of the branch circuit panel or starter may be horsepower rated, toggle type in suitable enclosure, mounted at or on the equipment.
PART 1 GENERAL
1.1 DESCRIPTION
A. The General and Supplemental Conditions apply to this Division, including but not limited to:
1. Drawings and Specifications.
2. Public ordinances, permits. Including but not limited to electrical and fire alarm permits.
3. Payments and fees required by governing authorities for work included in this Division.
4. Change orders.
B. Division 1, General Requirements apply to this Division, including but not limited to:
1. Summary, Section 01 01 00
2. Cutting and Patching, Section 01045
3. Submittals, including Shop Drawings, Product Data and Samples, Section 01 30 00
4. Construction facilities and Controls, Section 01 50 00
5. Substitution Request Forms, Section 01 60 01
6. Closeout Submittals, Section 01 78 00
1.2 MECHANICAL WIRING
A. The following schedule is intended to summarize the division of work and responsibilities between Division 23 and Division 26
ITEM
FURNISHED
BY INSTALL BY
POWER
WIRING CONTROL WIRING
1. Division 23 Equipment Motors
Div. 23 Div. 23 Div. 26 Div. 23
2. Motor Starters, Contactors and Overload Heaters – Integral
Div. 23 Div. 26 Div. 26 Div. 23
3. Variable Frequency Drives (VFD’s)
Div. 23 Div. 26 Div. 26 Div. 23
4. Motor Control Centers
Div. 26 Div. 26 Div. 26 Div. 23
5. Fused & Unfused Disconnect Switches
Div. 26 Div. 26 Div. 26 ------
6. Manual Operation Switches
Div. 26 Div. 26 Div. 26 Div. 26
7. Control Relays & Transformers
Div. 23 Div. 23 Div. 23 Div. 23
8. Energy Management Control Panels
Div. 23 Div. 23 Div. 26 Div. 23
ITEM
FURNISHED
BY INSTALL BY
POWER
WIRING CONTROL WIRING
9. Motorized Solenoid Valves
Div. 23 Div. 23 Div. 23 Div. 23
10. Duct Mounted smoke Detectors
Div. 23 Div. 23 Div. 26 Div. 23 – Equipment Shutdown
Div. 28 – Fire Alarm
11. Fire/Smoke and Smoke Dampers
Div. 23 Div. 23 Div. 26 Div. 26
Div. 28 – Fire Alarm
1.3 CONTRACT DOCUMENTS
A. The Electrical Drawings and Specifications are complementary and what is called for by one shall be as binding as if called for by both. Items shown on the Drawings are not necessarily included in the Specifications. All directives and instructions to furnish, provide, install, complete, test and methods described in these Specifications and Drawings shall be interpreted as directives to the Electrical Contractor unless clearly specified otherwise. It is the intent of these specifications and the accompanying drawings to describe complete and functional electrical systems. If errors or discrepancies are discovered, notify the Project Manager immediately.
1.4 SITE VISITATION
A. The contractor shall visit the site prior to bidding to familiarize himself with existing conditions and all other factors which may affect the execution of the work.
1.5 CODES, ORDINANCES AND REGULATIONS
A. The completed installation shall conform to all applicable Federal, State and Local Codes, Ordinances and Regulations.
B. Obtain all necessary permits and inspections required by the governing authorities having jurisdiction over this work.
C. Furnish to the Project Manager a certificate of approval from the inspection authority at the completion of the work, prior to the application for final payment.
1.6 SCOPE OF WORK
A. The work covered by this Specification shall include furnishing all labor, materials, equipment and services to construct and install the complete electrical system as shown on the Drawings and specified herein. Verify all conditions on the job site and lay out work accordingly.
B. The work shall include, but is not necessarily limited to, the following systems:
1. Complete lighting with branch circuiting.
2. Complete lighting control system.
3. Complete power system with branch circuiting.
4. Distribution Equipment and Panelboards
5. Grounding continuity
6. Connection of electrical equipment furnished under other Divisions of work.
7. Connection of equipment provided by owner
8. Telecommunication provisions
9. Addressable Fire alarm system
a. Provide a design-build fire alarm signaling system.
b. Coordinate with the AHJ for minimum code requirements.
c. Refer to Fire Alarm System Specification Section 28 31 00
10. Electrical contractor will provide the following:
a. Coordination studies
b. Arc Flash Analysis
c. Short—Current Analysis
C. The following equipment and work will be furnished under other Divisions of Work:
1. Telephone, data and television wiring and equipment. (Note: coordinate with above scope.)
2. Mechanical equipment motors and heaters, unless otherwise noted on drawings.
3. Equipment control wiring beyond the provisions shown on the Electrical Drawings.
1.7 WARRANTY
A. Provide a written one-year warranty covering the work done under this Division as required by the General Conditions. Incandescent lamps will be excluded from this warranty.
B. Systems and Apparatus:
1. Free of defects of material and workmanship and in accord with the Contract Documents.
2. Built and installed to deliver its full rated capacity at the efficiency for which it was designed.
3. Operate at full capacity without objectionable noise or vibration.
1.8 SUBMITTALS
A. Refer to Division 1 requirements.
B. Submit all electrical data in electronic PDF format, provide in individual sections, indexed by section numbers, covering all items of equipment and systems. Submit all electrical items at one time.
C. The installation and Record Drawings called for under submittals shall show all outlets, devices, terminal cabinets, conduits, wiring and connections required for the complete system described.
Drawings will be at the same sheet size and scale as the construction documents. Prints of these drawings shall be submitted prior to starting installation. The Contractor submitted drawings, when approved, will then form the basis for installation.
D. Submittals will not be reviewed unless equipment is specifically indicated. Items not marked with model numbers and all options will be rejected and will need to be resubmitted. SDC will not try to interpret the contractor’s intent.
PART 2 PRODUCTS
2.1 APPROVALS AND SUBSTITUTIONS
A. The use of manufacturer's names, models and numbers in this Specification is intended to establish style, quality, appearance, and usefulness. If not as specified all Items will require prior approval.
B. Submit for the Project Manager's approval, manufacturer's detailed specifications and data sheets for all proposed substitutions. Submittals shall consist of a single sheet, or sheets, if required, for each piece of equipment and shall give the specific data needed for consideration of approval. All pertinent data listed in the Specifications and in Schedules shall be furnished, including all special features. See that all submittals are in proper order, and that all equipment will fit in the space provided.
C. The Project Manager reserves the right to require the submission of an actual sample before the acceptance of any product as an equal to that specified.
2.2 MATERIAL APPROVALS AND SHOP DRAWINGS
A. Submit all electrical data in electronic PDF format, provide in individual sections, indexed by section numbers, covering all items of equipment and systems. Include wiring diagrams where called for.
B. Review and recommendations by the Project Manager or Engineer are not to be construed as change authorizations. If discrepancies between the shop drawings submitted and the Contract Documents are discovered either prior to or after the data is processed, the Contract Documents will govern. Shop drawing review will not occur without contract cost data as outlined below.
PART 3 EXECUTION
3.1 CONTRACT COST DATA
A. Furnish to the Project Manager a cost breakdown of the Electrical Contract.
B. The cost breakdown shall include separate amounts for material and labor for each category listed below. Include costs data with the shop drawings submittal.
1. Lighting with branch circuiting
2. Lighting control system
3. Power system with branch circuiting.
4. Distribution Equipment and Panelboards
5. Grounding continuity
6. Connection of electrical equipment furnished under other Divisions of work.
7. Connection of equipment provided by owner.
8. Telecommunication provisions
9. Addressable Fire alarm system
10. Alternates (listed individually)
3.2 CHANGE ORDERS
A. All supplemental cost proposals by the Contractor shall be accompanied with a complete itemized breakdown of labor and materials cost without exception. Contractor's estimating sheets for the supplemental cost proposals shall be included. Labor must be separated and allocated for each item of work. Material cost, as used in this section, to be Contractor's actual "invoice" cost. All discounts shall be detailed and shown on the invoice. Labor cost shall be the actual cost per manhour including all taxes and fees. The total estimated cost for any change will be considered a not-to-exceed price. The supplemental cost approval will be based on this estimate but actual change order request for payment will be based on the contractor’s actual cost to perform this work and shall be accompanied with a complete itemized breakdown of labor and materials cost with backup invoices, without exception.
3.3 OPERATING AND MAINTENANCE DATA
A. The Contractor shall provide operating instructions and maintenance data. Submit all electrical data in electronic PDF format; provide in individual sections, indexed by section numbers, covering all items of equipment and systems, for all equipment and materials called for under this Division.
B. Submit Provide one PDF on flash drive and two (2) hard copies of the operating and maintenance data for review at least four weeks before final review of the Project. Assemble all data in a completely indexed volume or volumes and identify the size, model, and features indicated for each item.
C. Maintenance instruction manuals shall include complete cleaning and servicing data compiled in clearly and easily understandable form. Data shall show serial numbers of each piece of equipment and complete lists of replacement parts.
3.4 ELECTRONIC INFORMATION
A. Electronic record information in AutoCAD format will be provided to the general contractor upon request. One (1) copy of the base project construction document files will be made available to the contractor at no charge, each additional request will be provided at a cost of $500 per request.
B. All contractors and subcontractors requiring electrical plans will make their request for the construction documents through the general contractor.
3.5 RECORD INFORMATION
A. Maintain one set of construction documents marked up (red-lined) on a daily basis as the work progresses, showing all changes, deviations, change orders, omissions, or other variations from the contract drawings.
B. Record all conduits, stubups and equipment by dimensions from gridlines, below grade, above floor, etc. Show location of all access panels, rough-in for future, etc.
C. Make record documents available to the Project Manager for review or printing during construction.
D. On acceptance of the contractor record drawings by the Project Manager, the contractor will transfer the record information in "AutoCAD" format to the electronic "AutoCAD" drawing files. Refer to 26 00 00-3.4(A) for obtaining documents and applicable charges.
E. Deliver record drawings files to the Project Manager promptly upon completion of the project. Record information added to the "AutoCAD" drawing files is to have compatible format, linework and lettering as the original files. All new work done by the contractor on the original drawing files is to be on a single layer noted in the revised drawing file as "RECORD".
3.6 PROTECTION OF WORK
A. Protect all electrical work and equipment installed under this Division against damage by other trades, weather conditions or any other causes. Equipment found damaged or in other than new condition will be rejected as defective.
B. Switchgear, transformers, panels, light fixtures and all electrical equipment shall be kept covered or closed to exclude dust, dirt and splashes of plaster, cement or paint and shall be free of all such contamination before acceptance. Enclosures and trims shall be in new condition, free of rust, scratches and other finish defects. Properly refinish in a manner acceptable to the Project Manager, if damaged.
3.7 MAINTENANCE OF SERVICE
A. Electrical service shall be maintained to all functioning portions of the building throughout construction, except as noted below, during all normal working hours of the building occupants.
Outages to occupied areas shall be kept to a minimum and be prearranged with the Project Manager or Owner's Representative. This Contractor will be liable for any damages resulting from unscheduled outages or for those not confined to the pre-arranged times.
B. Signal and communication systems and equipment shall be kept in operation wherever these serve occupied or functional portions of the building. Outages of these facilities shall be treated the same as electrical power outages.
C. Telephone services where required during the construction work will be maintained by the telephone company. This work shall be coordinated with the telephone company in such a manner that service, as required by the building occupants, can be readily installed and maintained.
D. Include all costs for temporary facilities, overtime labor and necessary provisions to maintain electrical services in the initial bid proposal. Temporary wiring and facilities, if used, shall be removed and the site left clean before final acceptance.
PART 1 GENERAL
1.1 DESCRIPTION
A. Work Included:
1. Deliver conductors to the job site in cartons, protective covers or on reels.
2. Conductors for special systems shall be as recommended by the equipment manufacturer except as noted.
3. Conductor sizes shown on drawings are for copper only.
1.2 RELATED WORK
A. Section 26 00 00: General Provisions
B. Section 26 05 00: Basic Materials and Methods.
1.3 SUBMITTALS
A. Shop Drawings.
B. Product Data
PART 2 PRODUCTS
2.1 CONDUCTORS - 600 V
A. Type:
1. No. 12 AWG minimum size unless noted otherwise.
2. No. 8 and larger, stranded, Class B.
B. Stranding: Copper, concentric or compressed
C. Insulation: THHN, THWN, XHHW unless noted or specified otherwise.
D. Through wiring in all fixtures shall be rated for 90-degree C.
E. Manufacturers: Southwire, G.E., Hatfield, Anaconda, Rome or equal.
2.2 CORD DROPS AND PORTABLE CORDS
A. Copper type "S" or "SO" heavy duty, rubber insulated unless otherwise noted.
2.3 CONNECTORS
A. Branch Circuit Conductor Splices: Live spring type, Scotch-Lok, Ideal Wing Nut or self-stripping type, 3M Series 560 or approved equivalent.
B. Cable Splices: Compression tool applied sleeves, Kearney, Burndy or equal with 600V heat shrink insulation.
C. Lugs: Conductors no. 6 and larger, except on molded case circuit breakers, two-hole, long barrel pressure tool set…
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