36C10F18R0473-023.pdf

Renovate Building 86 Jonathan M. Wainwright Memorial

VA Medical Center Walla Walla, Washington

Specifications Volume 3

Department of Veteran Affairs

Project Number 687-400

Submittal

DEPARTMENT OF VETERANS AFFAIRS

RENOVATE BUILDING 86

JONATHAN M. WAINWRIGHT MEMORIAL VA MEDICAL CENTER

PROJECT 687-400

TABLE OF CONTENTS

Section 00 01 10

Volume 3

DIVISION 26 – ELECTRICAL

26 05 11 Requirements for Electrical Installations 12-12

26 05 13 Medium-Voltage Cables 12-12

26 05 19 Low-Voltage Electrical Power Conductors and Cables 12-12

26 05 26 Grounding and Bonding for Electrical Systems 12-12

26 05 33 Raceway and Boxes for Electrical Systems 09-10

26 05 36 Wireways for Radiology Equipment 09-10

26 05 39 Underfloor Raceways for Electrical Systems 12-12

26 05 41 Underground Electrical Construction 12-12

26 05 73 Overcurrent Protective Device Coordination Study 12-12

26 08 00 Commissioning of Electrical Systems 07-10

26 09 23 Lighting Controls 09-10

26 12 19 Pad-Mounted, Liquid-Filled, Medium-Voltage Transformers 12-12

26 18 41 Medium Voltage Switches

26 22 00 Low-Voltage Transformers 12-12

26 24 13 Distribution Switchboards 12-12

26 24 16 Panelboards 12-12

26 27 26 Wiring Devices 12-12

26 29 21 Enclosed Switches and Circuit Breakers 12-12

26 32 13 Engine Generators 12-12

26 36 23 Automatic Transfer Switches 12-12

26 43 13 Surge Protector Device 12-12

26 51 00 Interior Lighting 12-12

26 56 00 Exterior Lighting 09-10

DIVISION 27 – COMMUNICATIONS

27 05 11 Requirements for Communications Installations 11-09

27 05 26 Grounding and Bonding for Communications Systems 10-06

27 05 33 Raceways and Boxes for Communications Systems 12-05

27 15 00 Communications Horizontal Cabling 10-06

27 41 16 Integrated Audio-Video Systems and Equipment

27 41 31 Master Antenna Television Equipment and Systems 08-09

27 51 16 Public Address and Mass Notification Systems 01-10

27 52 23 Nurse Call and Code Blue Systems 01-10

27 52 31 Security Emergency Call, Duress Alarm, and

Telecommunications

02-09

DIVISION 28 – ELECTRONIC SAFETY AND SECURITY

02-01-13

00 01 10-2

28 05 00 Common Work Results for Electronic Safety and Security 09-11

28 05 13 Conductors and Cables for Electronic Safety and

Security

09-11

28 05 26 Grounding and Bonding for Electronic Safety and

Security

09-11

28 05 28.33 Conduits and Backboxes for Electronic Safety and

Security

09-11

28 13 00 Physical Access Control Systems 10-11

28 16 00 Intrusion Detection System 10-11

28 23 00 Video Surveillance 09-11

28 26 00 Electronic Personal Protection System 09-11

28 31 00 Fire Detection and Alarm 10-11

DIVISION 31 – EARTHWORK

31 20 11 Earth Moving (Short Form) 10-12

DIVISION 32 – EXTERIOR IMPROVEMENTS

32 05 23 Cement and Concrete for Exterior Improvements 04-10

32 12 16 Asphalt Paving 10-09

32 31 13 Chain Link Fences and Gates 12-11

32 31 53 Perimeter Security Fences and Gates 10-11

32 84 00 Planting Irrigation 10-11

DIVISION 33 – UTILITIES

33 10 00 Water Utilities 02-10

DIVISION 34 – TRANSPORTATION

34 71 13 Vehicle Barriers

32 90 00 Planting 10-11

SPECIFICATIONS-CHAPTER P

26 05 11 - 1

DEPARTMENT OF VETERANS AFFAIRS

RENOVATE BUILDING 86

JONATHAN M. WAINWRIGHT MEMORIAL VA MEDICAL

CENTER

77 WAINWRIGHT DRIVE, WALLA WALLA, WA 99362

SECTION 26 05 11

REQUIREMENTS FOR ELECTRICAL INSTALLATIONS

PART 1 - GENERAL

1.1 DESCRIPTION

A. This section applies to all sections of Division 26.

B. Furnish and install electrical wiring, systems, equipment and accessories in accordance with the specifications and drawings.

Capacities and ratings of motors, transformers, cable, switchboards, switchgear, panelboards, motor control centers, generators, automatic transfer switches, and other items and arrangements for the specified items are shown on drawings.

C. Electrical service entrance equipment and arrangements for temporary and permanent connections to the utility’s system shall conform to the utility's requirements. Coordinate fuses, circuit breakers and relays with the utility’s system, and obtain utility approval for sizes and settings of these devices.

D. Wiring ampacities specified or shown on the drawings are based on copper conductors, with the conduit and raceways accordingly sized. Aluminum conductors are prohibited.

1.2 MINIMUM REQUIREMENTS

A. References to the International Building Code (IBC), National Electrical

Code (NEC), Underwriters Laboratories, Inc. (UL) and National Fire

Protection Association (NFPA) are minimum installation requirement standards.

B. Drawings and other specification sections shall govern in those instances where requirements are greater than those specified in the above standards.

1.3 TEST STANDARDS

A. All materials and equipment shall be listed, labeled or certified by a nationally recognized testing laboratory to meet Underwriters

Laboratories, Inc., standards where test standards have been established. Equipment and materials which are not covered by UL

Standards will be accepted provided equipment and material is listed, 26 05 11 - 2 labeled, certified or otherwise determined to meet safety requirements of a nationally recognized testing laboratory. Equipment of a class which no nationally recognized testing laboratory accepts, certifies, lists, labels, or determines to be safe, will be considered if inspected or tested in accordance with national industrial standards, such as

NEMA, or ANSI. Evidence of compliance shall include certified test reports and definitive shop drawings.

B. Definitions:

1. Listed; Equipment, materials, or services included in a list published by an organization that is acceptable to the authority having jurisdiction and concerned with evaluation of products or services, that maintains periodic inspection of production or listed equipment or materials or periodic evaluation of services, and whose listing states that the equipment, material, or services either meets appropriate designated standards or has been tested and found suitable for a specified purpose.

2. Labeled; Equipment or materials to which has been attached a label, symbol, or other identifying mark of an organization that is acceptable to the authority having jurisdiction and concerned with product evaluation, that maintains periodic inspection of production of labeled equipment or materials, and by whose labeling the manufacturer indicates compliance with appropriate standards or performance in a specified manner.

3. Certified; equipment or product which:

a. Has been tested and found by a nationally recognized testing laboratory to meet nationally recognized standards or to be safe for use in a specified manner.

b. Production of equipment or product is periodically inspected by a nationally recognized testing laboratory.

c. Bears a label, tag, or other record of certification.

4. Nationally recognized testing laboratory; laboratory which is approved, in accordance with OSHA regulations, by the Secretary of

Labor.

1.4 QUALIFICATIONS (PRODUCTS AND SERVICES)

A. Manufacturers Qualifications: The manufacturer shall regularly and presently produce, as one of the manufacturer's principal products, the equipment and material specified for this project, and shall have manufactured the item for at least three years.

26 05 11 - 3

B. Product Qualification:

1. Manufacturer's product shall have been in satisfactory operation, on three installations of similar size and type as this project, for approximately three years.

2. The Government reserves the right to require the Contractor to submit a list of installations where the products have been in operation before approval.

C. Service Qualifications: There shall be a permanent service organization maintained or trained by the manufacturer which will render satisfactory service to this installation within four hours of receipt of notification that service is needed. Submit name and address of service organizations.

1.5 APPLICABLE PUBLICATIONS

Applicable publications listed in all Sections of Division are the latest issue, unless otherwise noted.

1.6 MANUFACTURED PRODUCTS

A. Materials and equipment furnished shall be of current production by manufacturers regularly engaged in the manufacture of such items, for which replacement parts shall be available.

B. When more than one unit of the same class or type of equipment is required, such units shall be the product of a single manufacturer.

C. Equipment Assemblies and Components:

1. Components of an assembled unit need not be products of the same manufacturer.

2. Manufacturers of equipment assemblies, which include components made by others, shall assume complete responsibility for the final assembled unit.

3. Components shall be compatible with each other and with the total assembly for the intended service.

4. Constituent parts which are similar shall be the product of a single manufacturer.

D. Factory wiring shall be identified on the equipment being furnished and on all wiring diagrams.

E. When Factory Testing Is Specified:

1. The Government shall have the option of witnessing factory tests. The contractor shall notify the VA through the Resident Engineer a minimum of 15 working days prior to the manufacturers making the factory tests.

2. Four copies of certified test reports containing all test data shall be furnished to the Resident Engineer prior to final inspection and not more than 90 days after completion of the tests.

26 05 11 - 4

3. When equipment fails to meet factory test and re-inspection is required, the contractor shall be liable for all additional expenses, including expenses of the Government.

1.7 EQUIPMENT REQUIREMENTS

Where variations from the contract requirements are requested in accordance with Section 00 72 00, GENERAL CONDITIONS and Section 01 33

23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES, the connecting work and related components shall include, but not be limited to additions or changes to branch circuits, circuit protective devices, conduits, wire, feeders, controls, panels and installation methods.

1.8 EQUIPMENT PROTECTION

A. Equipment and materials shall be protected during shipment and storage against physical damage, vermin, dirt, corrosive substances, fumes, moisture, cold and rain.

1. Store equipment indoors in clean dry space with uniform temperature to prevent condensation. Equipment shall include but not be limited to switchgear, switchboards, panelboards, transformers, motor control centers, motor controllers, uninterruptible power systems, enclosures, controllers, circuit protective devices, cables, wire, light fixtures, electronic equipment, and accessories.

2. During installation, equipment shall be protected against entry of foreign matter; and be vacuum-cleaned both inside and outside before testing and operating. Compressed air shall not be used to clean equipment. Remove loose packing and flammable materials from inside equipment.

3. Damaged equipment shall be, as determined by the Resident Engineer, placed in first class operating condition or be returned to the source of supply for repair or replacement.

4. Painted surfaces shall be protected with factory installed removable heavy kraft paper, sheet vinyl or equal.

5. Damaged paint on equipment and materials shall be refinished with the same quality of paint and workmanship as used by the manufacturer so repaired areas are not obvious.

1.9 WORK PERFORMANCE

A. All electrical work must comply with the requirements of NFPA 70 (NEC), NFPA 70B, NFPA 70E, OSHA Part 1910 subpart J, OSHA Part 1910 subpart S and OSHA Part 1910 subpart K in addition to other references required by contract.

B. Job site safety and worker safety is the responsibility of the contractor.

26 05 11 - 5

C. Electrical work shall be accomplished with all affected circuits or equipment de-energized. When an electrical outage cannot be accomplished in this manner for the required work, the following requirements are mandatory:

1. Electricians must use full protective equipment (i.e., certified and tested insulating material to cover exposed energized electrical components, certified and tested insulated tools, etc.) while working on energized systems in accordance with NFPA 70E.

2. Electricians must wear personal protective equipment while working on energized systems in accordance with NFPA 70E.

3. Before initiating any work, a job specific work plan must be developed by the contractor with a peer review conducted and documented by the Resident Engineer and Medical Center staff. The work plan must include procedures to be used on and near the live electrical equipment, barriers to be installed, safety equipment to be used and exit pathways.

4. Work on energized circuits or equipment cannot begin until prior written approval is obtained from the Resident Engineer.

D. For work on existing stations, arrange, phase and perform work to assure electrical service for other buildings at all times. Refer to Article

OPERATIONS AND STORAGE AREAS under Section 01 00 00, GENERAL

REQUIREMENTS.

E. New work shall be installed and connected to existing work neatly, safely and professionally. Disturbed or damaged work shall be replaced or repaired to its prior conditions, as required by Section 01 00 00, GENERAL REQUIREMENTS.

F. Coordinate location of equipment and conduit with other trades to minimize interferences.

1.10 EQUIPMENT INSTALLATION AND REQUIREMENTS

A. Equipment location shall be as close as practical to locations shown on the drawings.

B. Working spaces shall not be less than specified in the NEC for all voltages specified.

C. Inaccessible Equipment:

1. Where the Government determines that the Contractor has installed equipment not conveniently accessible for operation and maintenance, the equipment shall be removed and reinstalled as directed at no additional cost to the Government.

2. "Conveniently accessible" is defined as being capable of being reached quickly for operation, maintenance, or inspections without the use of ladders, or without climbing or crawling under or over

26 05 11 - 6 obstacles such as, but not limited to, motors, pumps, belt guards, transformers, piping, ductwork, conduit and raceways.

1.11 EQUIPMENT IDENTIFICATION

A. In addition to the requirements of the NEC, install an identification sign which clearly indicates information required for use and maintenance of items such as medium-voltage transformers, medium voltage switches, switchboards, panelboards, cabinets, motor controllers

(starters), fused and unfused safety switches, generators, automatic transfer switches, low-voltage transformers, separately enclosed circuit breakers, individual breakers and controllers in switchboards, distribution panelboards, and motor control assemblies, control devices and other significant equipment.

B. Nameplates for Normal Power System equipment shall be laminated black phenolic resin with a white core with engraved lettering. Nameplates for Essential Electrical System (EES) equipment, as defined in the NEC, shall be laminated red phenolic resin with a white core with engraved lettering. Lettering shall be a minimum of 1/2 inch [12mm] high.

Nameplates shall indicate equipment designation, rated bus amperage, voltage, number of phases, number of wires, and type of EES power branch as applicable. Secure nameplates with screws.

C. Install adhesive arc flash warning labels on all equipment as required by NFPA 70E. Label shall indicate the arc hazard boundary (inches), working distance (inches), arc flash incident energy at the working distance (calories/cm 2), required PPE category and description including t he glove rating, voltage rating of the equipment, limited approach distance (inches), restricted approach distance (inches), prohibited approach distance (inches), equipment/bus name, date prepared, and manufacturer name and address.

1.12 SUBMITTALS

A. Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.

B. The Government's approval shall be obtained for all equipment and material before delivery to the job site. Delivery, storage or installation of equipment or material which has not had prior approval will not be permitted at the job site.

C. All submittals shall include adequate descriptive literature, catalog cuts, shop drawings and other data necessary for the Government to ascertain that the proposed equipment and materials comply with specification requirements. Catalog cuts submitted for approval shall be legible and clearly identify equipment being submitted.

26 05 11 - 7

D. Submittals for individual systems and equipment assemblies which consist of more than one item or component shall be made for the system or assembly as a whole. Partial submittals will not be considered for approval.

1. Mark the submittals, "SUBMITTED UNDER SECTION__________________".

2. Submittals shall be marked to show specification reference including the section and paragraph numbers.

3. Submit each section separately.

E. The submittals shall include the following:

1. Information that confirms compliance with contract requirements.

Include the manufacturer's name, model or catalog numbers, catalog information, technical data sheets, shop drawings, pictures, nameplate data and test reports as required.

2. Submittals are required for all equipment anchors and supports.

Submittals shall include weights, dimensions, center of gravity, standard connections, manufacturer's recommendations and behavior problems (e.g., vibration, thermal expansion,) associated with equipment or piping so that the proposed installation can be properly reviewed. Include sufficient fabrication information so that appropriate mounting and securing provisions may be designed and/or attached to the equipment.

3. Elementary and interconnection wiring diagrams for communication and signal systems, control systems and equipment assemblies. All terminal points and wiring shall be identified on wiring diagrams.

4. Parts list which shall include those replacement parts recommended by the equipment manufacturer.

F. Manuals: Submit in accordance with Section 01 00 00, GENERAL

REQUIREMENTS.

1. Maintenance and Operation Manuals: Submit as required for systems and equipment specified in the technical sections. Furnish one electronic copy and four paper copies, bound in hardback binders, (manufacturer's standard binders) or an approved equivalent. Furnish one complete manual as specified in the technical section but in no case later than prior to performance of systems or equipment test, and furnish the remaining manuals prior to contract completion.

2. Inscribe the following identification on the cover: the words

"MAINTENANCE AND OPERATION MANUAL," the name and location of the system, equipment, building, name of Contractor, and contract number.

Include in the manual the names, addresses, and telephone numbers of each subcontractor installing the system or equipment and the local representatives for the system or equipment.

26 05 11 - 8

3. Provide a "Table of Contents" and assemble the manual to conform to the table of contents, with tab sheets placed before instructions covering the subject. The instructions shall be legible and easily read, with large sheets of drawings folded in.

4. The manuals shall include:

a. Internal and interconnecting wiring and control diagrams with data to explain detailed operation and control of the equipment.

b. A control sequence describing start-up, operation, and shutdown.

c. Description of the function of each principal item of equipment.

d. Installation instructions.

e. Safety precautions for operation and maintenance.

f. Diagrams and illustrations.

g. Periodic maintenance and testing procedures and frequencies, including replacement parts numbers and replacement frequencies.

h. Performance data.

i. Pictorial "exploded" parts list with part numbers. Emphasis shall be placed on the use of special tools and instruments. The list shall indicate sources of supply, recommended spare parts, and name of servicing organization.

j. List of factory approved or qualified permanent servicing organizations for equipment repair and periodic testing and maintenance, including addresses and factory certification qualifications.

G. Approvals will be based on complete submission of manuals together with shop drawings.

H. After approval and prior to installation, furnish the Resident Engineer with one sample of each of the following:

1. A 300 mm (12 inch) length of each type and size of wire and cable along with the tag from the coils of reels from which the samples were taken.

2. Each type of conduit coupling, bushing and termination fitting.

3. Conduit hangers, clamps and supports.

4. Duct sealing compound.

5. Each type of receptacle, toggle switch, occupancy sensor, outlet box, manual motor starter, device wall plate, engraved nameplate, wire and cable splicing and terminating material, and branch circuit single pole molded case circuit breaker.

26 05 11 - 9

1.13 SINGULAR NUMBER

WHERE ANY DEVICE OR PART OF EQUIPMENT IS REFERRED TO IN THESE

SPECIFICATIONS IN THE SINGULAR NUMBER (E.G., "THE SWITCH"), THIS REFERENCE

SHALL BE DEEMED TO APPLY TO AS MANY SUCH DEVICES AS ARE REQUIRED TO COMPLETE

THE INSTALLATION AS SHOWN ON THE DRAWINGS.1.15 ACCEPTANCE CHECKS AND TESTS

The contractor shall furnish the instruments, materials and labor for field tests.

1.14 TRAINING

A. Training shall be provided in accordance with Article 1.25, INSTRUCTIONS, of Section 01 00 00, GENERAL REQUIREMENTS.

B. Training shall be provided for the particular equipment or system as required in each associated specification.

C. A training schedule shall be developed and submitted by the contractor and approved by the Resident Engineer at least 30 days prior to the planned training.

- - - E N D - - -

26 05 13 - 1

DEPARTMENT OF VETERANS AFFAIRS

RENOVATE BUILDING 86

JONATHAN M. WAINWRIGHT MEMORIAL VA MEDICAL

SECTION 26 05 13

MEDIUM VOLTAGE CABLES

PART 1 - GENERAL

1.1 DESCRIPTION

This section specifies the furnishing, installation, and connection of medium voltage cables, splices, and terminations.

1.2 RELATED WORK

A. Section 26 05 11, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS: General electrical requirements and items that are common to more than one section of Division 26.

B. Section 26 05 26, GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS:

Requirements for personnel safety and to provide a low impedance path for possible ground fault currents.

C. Section 26 05 33, RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS: Conduits for medium voltage cables.

D. Section 26 05 41, UNDERGROUND ELECTRICAL CONSTRUCTION: Manholes and ducts for medium voltage cables.

1.3 QUALITY ASSURANCE

Refer to Paragraph, QUALIFICATIONS, in Section 26 05 11, REQUIREMENTS

FOR ELECTRICAL INSTALLATIONS.

1.4 FACTORY TESTS

Medium voltage cables shall be thoroughly tested at the factory per

NEMA WC 74 to ensure that there are no electrical defects. Factory tests shall be certified.

1.5 SUBMITTALS

A. In accordance with Section 26 05 11, REQUIREMENTS FOR ELECTRICAL

INSTALLATIONS, submit the following:

B. Shop Drawings:

1. Clearly present sufficient information to determine compliance with drawings and specifications.

26 05 13 - 2

2. Include product and installation information for cables, splices, terminations, and fireproofing tape.

C. Samples: After approval and prior to installation, furnish the Resident

Engineer with a minimum 12 in [300 mm] length of each type and size of cable, along with the tag from the reel from which the sample was taken. The sample shall contain the manufacturer’s markings, showing all cable jacket information.

D. Certifications:

1. Factory Test Reports: Prior to installation of the cables, deliver four copies of the manufacturers certified NEMA WC 71 or WC 74 standard factory test reports to the Resident Engineer-. Certified copies of test data shall show conformance with the referenced standards and shall be approved prior to delivery of cable.

2. Compatibility: Provide certification from the cable manufacturer that the splices and terminations are approved for use with the cable.

3. Field Test Reports: Test reports shall comply with the paragraph entitled “Acceptance Checks and Tests.” After testing, submit four certified copies to the Resident Engineer of each of the graphs specified under field testing.

4. After splices and terminations have been installed and tested, deliver four copies of a certificate by the contractor to the

Resident Engineer which includes the following:

a. A statement that the materials, detail drawings, and printed instructions used are those contained in the kits approved for this contract.

b. A statement that each splice and each termination was completely installed in a single continuous work period by a single qualified worker without any overnight interruption.

c. A statement that field-made splices and terminations conform to the following requirements:

1) Pencil the cable insulation precisely.

2) Connector installations:

a) Use tools that are designed for the connectors being installed.

b) Round and smooth the installed connectors to minimize localized voltage stressing of the insulating materials.

26 05 13 - 3

3) Remove contaminants from all surfaces within the splices and terminations before installing the insulating materials.

4) Solder block throughout stranded grounding wires that might penetrate the splicing and terminating materials.

5) Use mirrors to observe the installation of materials on the backsides of the splices and terminations.

6) Eliminate air voids throughout the splices and terminations.

7) Stretch each layer of tape properly during installation.

d. List all the materials purchased and installed for the splices and terminations for this contract, including the material descriptions, manufacturers' names, catalog numbers, and total quantities.

E. Installer Approval:

1. Employees who install splices and terminations and test the cables shall have not fewer than five years of experience splicing and terminating cables equivalent to those being spliced and terminated, including experience with the materials in the kits.

2. Furnish satisfactory proof of such experience for each employee who splices or terminates the cables.

1.6 APPLICABLE PUBLICATIONS

A. Publications listed below (including amendments, addenda, revisions, supplements, and errata) form a part of this specification to the extent referenced. Publications are referenced in the text by designation only:

American Society for Testing and Materials (ASTM):

B3-01 (R2007)...........Standard Specification for Soft or Annealed

Copper Wire

B. Institute of Electrical and Electronics Engineers, Inc. (IEEE):

386-95 (R2001)..........Separable Insulated Connector Systems for Power

Distribution Systems above 600 V

400-01..................Guide for Field Testing and Evaluation of the

Insulation of Shielded Power Cable Systems

400.2-05................Guide for Field Testing of Shielded Power Cable

Systems Using Very Low Frequency (VLF)

400.3-06................Guide for Partial Discharge Testing of Shielded

Power Cable Systems in a Field Environment

404-00..................Extruded and Laminated Dielectric Shielded

Cable Joints Rated 2500-500,000 Volts

26 05 13 - 4

C. National Electrical Manufacturers Association (NEMA):

WC 71-99................Standard for Non-Shielded Cables Rated 2001-

5000 Volts for Use in the Distribution of

Electrical Energy (ICEA S-96-659)

WC 74-06................5-46 KV Shielded Power Cable for Use in the

Transmission and Distribution of Electrical

Energy (ICEA S-93-969)

D. National Fire Protection Association (NFPA):

70-11...................National Electrical Code (NEC)

E. Underwriters Laboratories (UL):

1072-06 ................ Medium-Voltage Power Cables

1.7 SHIPMENT AND STORAGE

A. Cable shall be shipped on reels such that it is protected from mechanical injury. Each end of each length of cable shall be hermetically sealed with manufacturer’s end caps and securely attached to the reel.

B. Cable stored and/or cut on site shall have the ends turned down, and sealed with cable manufacturer’s standard cable end seals, or field-installed heat-shrink cable end seals.

PART 2 - PRODUCTS

2.1 MEDIUM VOLTAGE CABLE

A. Medium voltage cable shall be in accordance with the NEC and NEMA WC

71, WC 74, and UL 1072.

B. Single conductor stranded copper conforming to ASTM B3.

C. Voltage Rating:

15,000 V cable shall be used on all distribution systems with voltages ranging from 5,000 V to 15,000 V.

D. Insulation:

1. Insulation level shall be 133%.

2. Types of insulation:

a. Cable type abbreviation, EPR: Ethylene propylene rubber insulation shall be thermosetting, light and heat stabilized.

b. Cable type abbreviation, CCLP: Polyethylene insulation shall be thermosetting, light and heat stabilized, and chemically cross-linked.

c. In wet and dry locations, anti-tree CCLP or EPR shall be used.

26 05 13 - 5

E. Conductors and insulation shall be wrapped separately with semi-conducting tape.

F. Insulation shall be wrapped with non-magnetic, metallic shielding tape, helically-applied over semi-conducting insulation shield.

G. Heavy duty, overall protective jacket of chlorosulphonated polyethylene or polyvinyl chloride shall enclose every cable. The manufacturer's name, cable type and size, and other pertinent information shall be marked or molded clearly on the overall protective jacket.

H. Cable temperature ratings for continuous operation, emergency overload operation, and short circuit operation shall be not less than the NEC, NEMA WC 71, or NEMA WC 74 standard for the respective cable.

2.2 SPLICES AND TERMINATIONS

A. The materials shall be compatible with the cables.

B. In locations where moisture might be present, the splices shall be watertight. In manholes and handholes, the splices shall be submersible.

C. Where the Government determines that unsatisfactory splices and terminations have been installed, the contractor shall replace the unsatisfactory splices and terminations with approved material at no additional cost to the Government.

D. Splices and Terminations:

1. Materials shall be designed for the cables being spliced and terminated, and shall be suitable for the prevailing environmental conditions.

2. Splices:

a. Shall comply with IEEE 404. Include all components required for complete splice, with detailed instructions. Splicing new medium voltage conductors is not allowed. Provide continuous run of medium voltage cable between specified termination points.

3. Terminations:

a. Shall comply with IEEE 48. Include shield ground strap for shielded cable terminations.

b. Class 3 terminations for outdoor use: Kit with stress cone and compression-type connector.

c. Load-break terminations for indoor and outdoor use: Elbow-type unit with test point and 200-A load make/break and continuous-current rating.

26 05 13 - 6

d. Dead-break terminations for indoor and outdoor use: Elbow-type unit with test point and 600-A continuous-current rating.

2.3 FIREPROOFING TAPE

Fireproofing tape shall be flexible, non-corrosive, self-extinguishing, arcproof, and fireproof intumescent elastomer. Securing tape shall be glass cloth electrical tape not less than 7 mils [0.18 mm] thick, and

0.75 in [19 mm] wide.

PART 3 - EXECUTION

3.1 GENERAL

A. Installation shall be in accordance with the NEC, as shown on the drawings, and per cable manufacturer’s instructions.

B. Cable shall be installed in conduit above grade and duct bank below grade. All cables of a feeder shall be pulled simultaneously.

C. Splice the cables only in manholes and accessible pullboxes.

D. Ground shields in accordance with Section 26 05 26, GROUNDING AND

BONDING FOR ELECTRICAL SYSTEMS.

E. Cable maximum pull length, maximum pulling tension, and minimum bend radius shall conform with the recommendations of the cable manufacturer.

F. Use suitable lubricating compounds on the cables to prevent pulling damage. Provide compounds that are not injurious to the cable jacket and do not harden or become adhesive.

G. Seal the cable ends prior to pulling, to prevent the entry of moisture or lubricant.

3.2 PROTECTION DURING SPLICING OPERATIONS

Blowers shall be provided to force fresh air into manholes where free movement or circulation of air is obstructed. Waterproof protective coverings shall be available on the work site to provide protection against moisture while a splice is being made. Pumps shall be used to keep manholes dry during splicing operations. Under no conditions shall a splice or termination be made that exposes the interior of a cable to moisture. A manhole ring at least 6 in [150 mm] above ground shall be used around the manhole entrance to keep surface water from entering the manhole. Unused ducts shall be plugged and water seepage through ducts in use shall be stopped before splicing.

3.3 PULLING CABLES IN DUCTS AND MANHOLES

A. Cables shall be pulled into ducts with equipment designed for this purpose, including power-driven winches, cable-feeding flexible tube

26 05 13 - 7 guides, cable grips, pulling eyes, and lubricants. A sufficient number of trained personnel and equipment shall be employed to ensure the careful and proper installation of the cable.

B. Cable reels shall be set up at the side of the manhole opening and above the duct or hatch level, allowing cables to enter through the opening without reverse bending. Flexible tube guides shall be installed through the opening in a manner that will prevent cables from rubbing on the edges of any structural member.

C. Cable shall be unreeled from the top of the reel. Pay-out shall be carefully controlled. Cables to be pulled shall be attached through a swivel to the main pulling wire by means of a suitable cable grip and pulling eye.

D. Woven-wire cable grips shall be used to grip the cable end when pulling small cables and short straight lengths of heavier cables.

E. Pulling eyes shall be attached to the cable conductors to prevent damage to the cable structure.

F. Cables shall be liberally coated with a suitable lubricant as they enter the tube guide or duct. Rollers, sheaves, or tube guides around which the cable is pulled shall conform to the minimum bending radius of the cable.

G. Cables shall be pulled into ducts at a reasonable speed. Cable pulling using a vehicle shall not be permitted. Pulling operations shall be stopped immediately at any indication of binding or obstruction, and shall not be resumed until the potential for damage to the cable is corrected. Sufficient slack shall be provided for free movement of cable due to expansion or contraction.

H. Splices in manholes shall be firmly supported on cable racks. No splices shall be pulled in ducts. Cable ends shall overlap at the ends of a section to provide sufficient undamaged cable for splicing.

I. Cables cut in the field shall have the cut ends immediately sealed to prevent entrance of moisture.

3.4 SPLICES AND TERMINATIONS

A. Install the materials as recommended by the manufacturer, including precautions pertaining to air temperature and humidity during installation.

B. Installation shall be accomplished by qualified personnel trained to accomplish medium voltage equipment installations. All manufacturer’s instructions shall be followed precisely.

26 05 13 - 8

C. Splices in manholes shall be located midway between cable racks on walls of manholes, and supported with cable arms at approximately the same elevation as the enclosing duct.

3.5 FIREPROOFING

A. Cover all cable segments exposed in manholes and pull-boxes with fireproofing tape.

B. Apply the tape in a single layer, wrapped in a half-lap manner, or as recommended by the manufacturer. Extend the tape not less than 1 in [25 mm] into each duct.

C. At each end of a taped cable section, secure the fireproof tape in place with glass cloth tape.

3.6 CIRCUIT IDENTIFICATION OF FEEDERS

In each manhole and pullbox, install permanent tags on each circuit's cables to clearly designate the circuit identification and voltage. The tags shall be the embossed brass type, 1.5 in [40 mm] in diameter and

40 mils thick. Attach tags with plastic ties. Position the tags so they will be easy to read after the fireproofing tape is installed.

3.7 ACCEPTANCE CHECKS AND TESTS

A. Perform tests in accordance with the manufacturer's recommendations.

Include the following visual and electrical inspections.

B. Test equipment and labor and technical personnel shall be provided as necessary to perform the acceptance tests. Arrangements shall be made to have tests witnessed by the Resident Engineer.

C. Visual Inspection:

1. Inspect exposed sections of cables for physical damage.

2. Inspect shield grounding, cable supports, splices, and terminations.

3. Verify that visible cable bends meet manufacturer’s minimum published bending radius.

4. Verify installation of fireproofing tape and identification tags.

D. Electrical Tests:

1. Acceptance tests shall be performed on new and service-aged cables as specified herein.

2. Test new cable after installation, splices, and terminations have been made, but before connection to equipment and existing cable.

E. Service-Aged Cable Tests:

1. Maintenance tests shall be performed on service-aged cable interconnected to new cable.

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2. After new cable test and connection to an existing cable, test the interconnected cable. Disconnect cable from all equipment that could be damaged by the test.

F. Insulation-Resistance Test: Test all new and service-aged cables with respect to ground and adjacent conductors.

1. Test data shall include megohm readings and leakage current readings. Cable shall not be energized until insulation-resistance test results have been approved by the Resident Engineer. Test voltages and minimum acceptable resistance values shall be:

Voltage Class Test Voltage Min. Insulation Resistance

15kV 2,500 VDC 5,000 megohms

2. Provide a comprehensive report that describes the identification and location of cables tested, the test equipment used, and the date tests were performed; identifies the persons who performed the tests; and identifies the insulation resistance and leakage current results for each cable section tested. The report shall provide conclusions and recommendations for corrective action.

G. Online Partial Discharge Test: Comply with IEEE 400 and 400.3. Test all new and service-aged cables. Perform tests after cables have passed the insulation-resistance test, and after successful energization.

1. Testing shall use a time or frequency domain detection process, incorporating radio frequency current transformer sensors with a partial discharge detection range of 10 kHz to 300 MHz.

2. Provide a comprehensive report that describes the identification and location of cables tested, the test equipment used, and the date tests were performed; identifies the persons who performed the tests; and numerically and graphically identifies the magnitude of partial discharge detected for each cable section tested. The report shall provide conclusions and recommendations for corrective action.

H. Final Acceptance: Final acceptance shall depend upon the satisfactory performance of the cables under test. No cable shall be energized until recorded test data have been approved by the Resident Engineer. Final test reports shall be provided to the Resident Engineer.

26 05 36 - 1

DEPARTMENT OF VETERANS AFFAIRS

RENOVATE BUILDING 86

JONATHAN M. WAINWRIGHT MEMORIAL VA MEDICAL

SECTION 26 05 36

WIREWAYS FOR RADIOLOGY EQUIPMENT

PART 1- GENERAL

1.1 DESCRIPTION

A. This section specifies the furnishing, installation, and connection of wireway systems for the radiology equipment.

B. Radiology equipment and high voltage cables will be furnished by the

Government.

1.2 RELATED WORK

A. Section 13 49 00, RADIATION PROTECTION: Requirements for lead radiation shielding.

B. Section 26 05 11, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS: General electrical requirements that are common to more than one section of

Division 26.

C. Section 26 05 33, RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS: Conduits, fittings, and boxes for raceway systems.

D. Section 26 05 39, UNDERFLOOR RACEWAYS FOR ELECTRICAL SYSTEMS: Under-floor raceway systems.

1.3 QUALITY ASSURANCE

Refer to Paragraph, QUALIFICATIONS, in Section 26 05 11, REQUIREMENTS

FOR ELECTRICAL INSTALLATIONS.

1.4 SUBMITTALS

A. Submit in accordance with Section 26 05 11, REQUIREMENTS FOR ELECTRICAL

INSTALLATIONS.

B. Shop Drawings:

1. Clearly present sufficient information to determine compliance with the drawings and specifications.

2. Show size and location of wireway components, feeders, panels and pullboxes, ductwork, and equipment provided by other trades, and radiology equipment items. Carefully coordinate with manufacturer’s shop drawings. Shop drawing approval is required by the radiology

26 05 13 - 1

DEPARTMENT OF VETERANS AFFAIRS

RENOVATE BUILDING 86

JONATHAN M. WAINWRIGHT MEMORIAL VA MEDICAL

SECTION 26 05 13

MEDIUM VOLTAGE CABLES

PART 1 - GENERAL

1.1 DESCRIPTION

This section specifies the furnishing, installation, and connection of medium voltage cables, splices, and terminations.

1.2 RELATED WORK

A. Section 26 05 11, REQUIREMENTS FOR ELECTRICAL INSTALLATIONS: General electrical requirements and items that are common to more than one section of Division 26.

B. Section 26 05 26, GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS:

Requirements for personnel safety and to provide a low impedance path for possible ground fault currents.

C. Section 26 05 33, RACEWAY AND BOXES FOR ELECTRICAL SYSTEMS: Conduits for medium voltage cables.

D. Section 26 05 41, UNDERGROUND ELECTRICAL CONSTRUCTION: Manholes and ducts for medium voltage cables.

1.3 QUALITY ASSURANCE

Refer to Paragraph, QUALIFICATIONS, in Section 26 05 11, REQUIREMENTS

FOR ELECTRICAL INSTALLATIONS.

1.4 FACTORY TESTS

Medium voltage cables shall be thoroughly tested at the factory per

NEMA WC 74 to ensure that there are no electrical defects. Factory tests shall be certified.

1.5 SUBMITTALS

A. In accordance with Section 26 05 11, REQUIREMENTS FOR ELECTRICAL

INSTALLATIONS, submit the following:

B. Shop Drawings:

1. Clearly present sufficient information to determine compliance with drawings and specifications.

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2. Include product and installation information for cables, splices, terminations, and fireproofing tape.

C. Samples: After approval and prior to installation, furnish the Resident

Engineer with a minimum 12 in [300 mm] length of each type and size of cable, along with the tag from the reel from which the sample was taken. The sample shall contain the manufacturer’s markings, showing all cable jacket information.

D. Certifications:

1. Factory Test Reports: Prior to installation of the cables, deliver four copies of the manufacturers certified NEMA WC 71 or WC 74 standard factory test reports to the Resident Engineer-. Certified copies of test data shall show conformance with the referenced standards and shall be approved prior to delivery of cable.

2. Compatibility: Provide certification from the cable manufacturer that the splices and terminations are approved for use with the cable.

3. Field Test Reports: Test reports shall comply with the paragraph entitled “Acceptance Checks and Tests.” After testing, submit four certified copies to the Resident Engineer of each of the graphs specified under field testing.

4. After splices and terminations have been installed and tested, deliver four copies of a certificate by the contractor to the

Resident Engineer which includes the following:

a. A statement that the materials, detail drawings, and printed instructions used are those contained in the kits approved for this contract.

b. A statement that each splice and each termination was completely installed in a single continuous work period by a single qualified worker without any overnight interruption.

c. A statement that field-made splices and terminations conform to the following requirements:

1) Pencil the cable insulation precisely.

2) Connector installations:

a) Use tools that are designed for the connectors being installed.

b) Round and smooth the installed connectors to minimize localized voltage stressing of the insulating materials.

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3) Remove contaminants from all surfaces within the splices and terminations before installing the insulating materials.

4) Solder block throughout stranded grounding wires that might penetrate the splicing and terminating materials.

5) Use mirrors to observe the installation of materials on the backsides of the splices and terminations.

6) Eliminate air voids throughout the splices and terminations.

7) Stretch each layer of tape properly during installation.

d. List all the materials purchased and installed for the splices and terminations for this contract, including the material descriptions, manufacturers' names, catalog numbers, and total quantities.

E. Installer Approval:

1. Employees who install splices and terminations and test the cables shall have not fewer than five years of experience splicing and terminating cables equivalent to those being spliced and terminated, including experience with the materials in the kits.

2. Furnish satisfactory proof of such experience for each employee who splices or terminates the cables.

1.6 APPLICABLE PUBLICATIONS

A. Publications listed below (including amendments, addenda, revisions, supplements, and errata) form a part of this specification to the extent referenced. Publications are referenced in the text by designation only:

American Society for Testing and Materials (ASTM):

B3-01 (R2007)...........Standard Specification for Soft or Annealed

Copper Wire

B. Institute of Electrical and Electronics Engineers, Inc. (IEEE):

386-95 (R2001)..........Separable Insulated Connector Systems for Power

Distribution Systems above 600 V

400-01..................Guide for Field Testing and Evaluation of the

Insulation of Shielded Power Cable Systems

400.2-05................Guide for Field Testing of Shielded Power Cable

Systems Using Very Low Frequency (VLF)

400.3-06................Guide for Partial Discharge Testing of Shielded

Power Cable Systems in a Field Environment

404-00..................Extruded and Laminated Dielectric Shielded

Cable Joints Rated 2500-500,000 Volts

26 05 13 - 4

C. National Electrical Manufacturers Association (NEMA):

WC 71-99................Standard for Non-Shielded Cables Rated 2001-

5000 Volts for Use in the Distribution of

Electrical Energy (ICEA S-96-659)

WC 74-06................5-46 KV Shielded Power Cable for Use in the

Transmission and Distribution of Electrical

Energy (ICEA S-93-969)

D. National Fire Protection Association (NFPA):

70-11...................National Electrical Code (NEC)

E. Underwriters Laboratories (UL):

1072-06 ................ Medium-Voltage Power Cables

1.7 SHIPMENT AND STORAGE

A. Cable shall be shipped on reels such that it is protected from mechanical injury. Each end of each length of cable shall be hermetically sealed with manufacturer’s end caps and securely attached to the reel.

B. Cable stored and/or cut on site shall have the ends turned down, and sealed with cable manufacturer’s standard cable end seals, or field-installed heat-shrink cable end seals.

PART 2 - PRODUCTS

2.1 MEDIUM VOLTAGE CABLE

A. Medium voltage cable shall be in accordance with the NEC and NEMA WC

71, WC 74, and UL 1072.

B. Single conductor stranded copper conforming to ASTM B3.

C. Voltage Rating:

15,000 V cable shall be used on all distribution systems with voltages ranging from 5,000 V to 15,000 V.

D. Insulation:

1. Insulation level shall be 133%.

2. Types of insulation:

a. Cable type abbreviation, EPR: Ethylene propylene rubber insulation shall be thermosetting, light and heat stabilized.

b. Cable type abbreviation, CCLP: Polyethylene insulation shall be thermosetting, light and heat stabilized, and chemically cross-linked.

c. In wet and dry locations, anti-tree CCLP or EPR shall be used.

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E. Conductors and insulation shall be wrapped separately with semi-conducting tape.

F. Insulation shall be wrapped with non-magnetic, metallic shielding tape, helically-applied over semi-conducting insulation shield.

G. Heavy duty, overall protective jacket of chlorosulphonated polyethylene or polyvinyl chloride shall enclose every cable. The manufacturer's name, cable type and size, and other pertinent information shall be marked or molded clearly on the overall protective jacket.

H. Cable temperature ratings for continuous operation, emergency overload operation, and short circuit operation shall be not less than the NEC, NEMA WC 71, or NEMA WC 74 standard for the respective cable.

2.2 SPLICES AND TERMINATIONS

A. The materials shall be compatible with the cables.

B. In locations where moisture might be present, the splices shall be watertight. In manholes and handholes, the splices shall be submersible.

C. Where the Government determines that unsatisfactory splices and terminations have been installed, the contractor shall replace the unsatisfactory splices and terminations with approved material at no additional cost to the Government.

D. Splices and Terminations:

1. Materials shall be designed for the cables being spliced and terminated, and shall be suitable for the prevailing environmental conditions.

2. Splices:

a. Shall comply with IEEE 404. Include all components required for complete splice, with detailed instructions. Splicing new medium voltage conductors is not allowed. Provide continuous run of medium voltage cable between specified termination points.

3. Terminations:

a. Shall comply with IEEE 48. Include shield ground strap for shielded cable terminations.

b. Class 3 terminations for outdoor use: Kit with stress cone and compression-type connector.

c. Load-break terminations for indoor and outdoor use: Elbow-type unit with test point and 200-A load make/break and continuous-current rating.

26 05 13 - 6

d. Dead-break terminations for indoor and outdoor use: Elbow-type unit with test point and 600-A continuous-current rating.

2.3 FIREPROOFING TAPE

Fireproofing tape shall be flexible, non-corrosive, self-extinguishing, arcproof, and fireproof intumescent elastomer. Securing tape shall be glass cloth electrical tape not less than 7 mils [0.18 mm] thick, and

0.75 in [19 mm] wide.

PART 3 - EXECUTION

3.1 GENERAL

A. Installation shall be in accordance with the NEC, as shown on the drawings, and per cable manufacturer’s instructions.

B. Cable shall be installed in conduit above grade and duct bank below grade. All cables of a feeder shall be pulled simultaneously.

C. Splice the cables only in manholes and accessible pullboxes.

D. Ground shields in accordance with Section 26 05 26, GROUNDING AND

BONDING FOR ELECTRICAL…