Attach_2_Specifications_Repair_Dorm_655_Part_3.pdf
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- Malmstrom AFB Multiple Award Task Order Contract (MATOC) Federal contract opportunity
- Solicitation number
- FA462619RA014
About this file
This document outlines specifications for repair work at Malmstrom Air Force Base, including replacement of a dormitory roof and associated electrical systems. Key details include specifications for a new roofing system, as well as requirements for air cooled chillers, heating and cooling units, electrical conduits, boxes, wiring devices, enclosed switches, lighting control systems, and a gutter de-icing system. The project is being conducted under a Multiple Award Task Order Contract with the Department of the Air Force Global Strike Command. Submittals and approvals are required per the specifications prior to commencing repair work.
Attach 2 Initial Task Order Specifications Part 3
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ATTACHMENT 02 FA4626-19-R-A014
Repair Dormitory 655
NZAS 04-1042
AIR COOLED CHILLER 23 64 23 - 3
1995-99 ....................................... Heating and Cooling Equipment
1.6 SUBMITTALS
A. Submit shop drawings and product data in accordance with the specifications.
B. Submittals shall include the following:
1. Dimensioned plan and elevation view drawings, required clearances, and location of all field connections.
2. Product data indicating rated capacities, weights, specialties and accessories, electrical requirements and wiring diagrams.
1.7 OPERATION AND MAINTENANCE DATA
A. Include manufacturer's descriptive literature, installation checklist, start-up instructions and maintenance procedure.
1.8 DELIVERY, STORAGE, AND HANDLING
A. Units shall be delivered to job site fully assembled and charged with refrigerant (unless selected with nitrogen charge) and oil by the manufacturer.
B. Unit shall be stored and handled per manufacturer's instructions.
C. During shipment, provide protective covering over vulnerable components. Fit nozzles and open pipe ends with enclosures.
D. Unit controls shall be capable of withstanding 158F (70C) storage temperature in the control compartment for an indefinite period of time.
1.9 WARRANTY
A. Provide a full parts warranty for one year from start-up or 18 months from shipment, whichever occurs first.
B. OEM provides several Extended Warranty options to include:
1. Whole Units Parts Warranty (Year 1 plus)
2. Compressor Parts 5 years
3. Whole Unit Labor Warranty (Year 1 plus)
4. Compressor Warranty Labor Option 5 years
5. Refrigerant Warranty Option 5 years
NZAS 04-1042
AIR COOLED CHILLER 23 64 23 - 4
1.10 MAINTENANCE SERVICES
A. All inspections and service of units shall be accomplished by factory trained and authorized servicing technicians.
B. In conjunction with and supporting Factory warranty OEM shall furnish complete factory authorized service and maintenance of Applied Chillers for 1 year from Date of Substantial Completion by OEM employees.
C. Include maintenance items as recommended in manufacturer's operating and maintenance data.
D. Submit copy of service call work orders and summary report to the Owner, including description of work performed, operating performance status and noted exceptions.
PART 2 - PRODUCTS
2.1 DIRECT DRIVE SCROLL COMPRESSOR CHILLER
1.01 GENERAL UNIT DESCRIPTION
A. Factory assembled, single-piece chassis, air-cooled liquid chiller. Contained within the package shall be all factory wiring, piping, controls, and refrigerant charge (HFC-410A).
1.02 CABINET
A. Frame shall be heavy-gage, with a powder coated paint finish for both aesthetic appeal and to offer more resistance to corrosion.
B. Units shall be constructed of a galvanized steel frame with galvanized steel panels and access doors. Component surfaces shall be finished with a powder-coated paint. The coating or paint system shall withstand a 500-consecutive-hour salt spray application in accordance with standard ASTMB117.
1.03 COMPRESSORS
A. Fully hermetic scroll type compressors with R410A optimized and dedicated scroll profile.
B. Direct drive motor cooled by suction gas with only three major moving parts and a completely enclosed compression chamber which leads to increased efficiency.
C. Each compressor shall have overload protection internal to the compressor
D. Each compressor shall include: centrifugal oil pump, oil level sight glass and oil charging valve
NZAS 04-1042
AIR COOLED CHILLER 23 64 23 - 5
E. Each compressor will have crankcase heaters installed and properly sized to minimize the amount of liquid refrigerant present in the oil sump during off cycles.
1.04 EVAPORATOR
A. The evaporator shall be a high efficiency, brazed plate-to-plate type heat exchanger consisting of parallel plates. Braze plates shall be stainless steel with copper braze material.
B. The evaporator shall be protected with an etched foil heater and covered with insulation.
This combination shall provide freeze protection down to -20F (-6.67C) ambient temperatures while the heater is powered. Contractor shall provide separate power to energize heater and protect evaporator while chiller is disconnected.
C. The water side working pressure shall be rated at 150 psig (10.3 bar) and tested at 150% maximum allowable water side working pressure.
D. The refrigerant side working pressure shall be rated at 460 psig (29.6 bars) and tested at
1.1 maximum allowable refrigerant side working pressure.
1.05 CONDENSER
A. Construct condenser coils of microchannel all aluminum brazed fin construction. The condenser coils shall have an integral sub-cooling circuit and shall be designed for at least 650 psig (44.8 bar) working pressure. Leak tested at 715 psig (49.3 bar). Coils can be cleaned with high pressure water.
B. The maximum allowable working pressure of the condenser shall be 650 psig (44.8 bars).
The condensers shall be factory proof and leak tested at 715 psig (49.3 bars).
C. Low Sound Fans shall be dynamically and statically balanced, direct drive, corrosion resistant glass fiber reinforced composite blades molded into a low noise fan blade.
D. Low speed fan motors shall be three-phase with permanently lubricated ball bearings and individually protected by circuit breakers.
E. Unit shall be capable of starting and running at outdoor ambient temperatures from 32F to 125F (0C to 52C).
F. Provide coil protection for shipping. Entire condenser coil shall be covered with heavy plastic to prevent inadvertent damage to coil during shipment or rigging.
1.06 ENCLOSURES
A. Mount starters in a UL1995 rated panel for outdoor use.
NZAS 04-1042
AIR COOLED CHILLER 23 64 23 - 6
B. The starter shall be across-the-line configuration, factory-mounted and fully pre-wired to the compressor motor(s) and control panel.
C. Unit shall have a single point power connection.
D. A control power transformer shall be factory-installed and factory-wired to provide unit control power.
1.07 REFRIGERATION COMPONENTS
A. Each refrigerant circuit shall include a filter drier, electronic expansion valve with site glass, liquid line service valves and a complete operating charge of both refrigerant HFC- 410A and compressor oil.
B. Each refrigerant circuit shall include a discharge line service valve to allow the refrigerant to be isolated in the condenser.
1.08 CONTROLS, SAFETIES AND DIAGNOSTICS
A. The microprocessor-based unit controller shall be factory-installed and factory-tested.
B. The unit display shall provide the following data:
1. Water and air temperatures
2. Refrigerant levels and temperatures
3. Flow switch status
4. Compressor starts and run times
C. The unit controller shall provide chilled water reset based on return water as an energy saving option.
D. Chilled water temperature control shall be microprocessor-based, proportional and integral controller to show water and refrigerant temperature, refrigerant pressure, and diagnostics. This microprocessor-based controller is to be supplied with each chiller by the chiller manufacturer. Controls shall include the following readouts and diagnostics:
1. Low evaporator refrigerant temperature and/or pressure
2. High condenser refrigerant pressure
3. Motor current overload
4. High compressor discharge temperature
NZAS 04-1042
AIR COOLED CHILLER 23 64 23 - 7
5. Electronic distribution faults: phase loss, phase imbalance, or phase reversal
E. Unit shall be shipped with factory control and power wiring installed.
F. On chiller, mount weatherproof control panel, containing starters, power and control wiring, factory wired with terminal block power connection. Provide primary and secondary fused control power transformer and a single 115 volt 60 Hz single phase connection for evaporator freeze protection heaters.
G. Provide single 115 volt 60 Hz single phase connection for evaporator freeze protection heaters.
H. The unit controller shall utilize a microprocessor that will automatically take action to prevent unit shutdown due to abnormal operating conditions associated with: evaporator refrigerant temperature, high condensing pressure and motor current overload.
I. Provide the following safety controls with indicating lights or diagnostic readouts.
1. Low chilled water temperature protection.
2. High refrigerant pressure.
3. Low oil flow protection.
4. Loss of chilled water flow.
5. Contact for remote emergency shutdown.
6. Motor current overload.
7. Phase reversal/unbalance/single phasing.
8. Over/under voltage.
9. Failure of water temperature sensor used by controller.
10. Compressor status (on or off).
J. Provide the following operating controls:
1. Chilled water pump output relay that closes when the chiller is given a signal to start.
2. High ambient pressure controller that shuts off a compressor to keep head pressure under control and help prevent high pressure nuisance trip outs on days when outside ambient is above design.
NZAS 04-1042
AIR COOLED CHILLER 23 64 23 - 8
3. Compressor current sensing limit that shuts off a compressor to help prevent current overload nuisance trips.
4. Auto lead-lag functions that constantly even out run hours and compressor starts automatically. If contractor cannot provide this function then cycle counter and hour meter shall be provided for each compressor so owner can be instructed by the contractor on how to manually change lead-lag on compressors and even out compressor starts and running hours.
5. Low ambient lockout control with adjustable setpoint.
K. Provide user interface that displays chilled water temperature setpoint and actual leaving chilled water temperature. Display should be on the front of panel. If display is on the inside of the panel, then a control display access door shall be provided to allow access to the display without removal of panels.
1.09 Chilled Fluid Circuit
A. Chilled fluid circuit shall be rated for 150 psig (1034 kPa) working pressure.
B. Proof of flow switch shall be provided by the equipment manufacturer and installed the correct number of pipe diameters from any elbow and in the correct orientation.
C. Flow switch shall be IFM flow monitor type.
D. Units with brazed plate evaporators shall have a 16 mesh water strainer that is factory provided. It shall be installed with a blowdown valve to facilitate periodic cleaning of the strainer to prevent it from becoming clogged.
PART 3 – EXECUTION
1.10 INSTALLATION
A. Install in accordance with manufacturer's instructions.
B. Align chiller package on steel or concrete foundations.
C. Install units on isolators.
D. Connect to electrical service.
E. Connect to chilled water piping.
1.11 MANUFACTURER'S FIELD SERVICES
A. OEM Startup is performed by factory trained and authorized servicing technicians confirming equipment has been correctly installed and passes specification checklist prior
NZAS 04-1042
AIR COOLED CHILLER 23 64 23 - 9
to equipment becoming operational and covered under OEM warranty.
1. Included OEM Factory Startup:
a. Centrifugal, Rotary Screw, and Scroll Chillers
B. Applied Chiller manufacturers shall maintain service capabilities no more than 75 miles from the jobsite.
C. The manufacturer shall furnish complete submittal wiring diagrams of the package unit as applicable for field maintenance and service.
D. Startup of all new equipment shall be by factory representative. Contractor shall submit startup forms to the Government 2 weeks prior to the startup for review by Contracting Officer, Civil Engineering Design and Civil Engineering specific shops. Startups shall be done with CE design and shops present. Provide at least one week notice.
END OF SECTION
NZAS 04-1042
HEATING AND COOLING UNITS 23 82 00 - 1
SECTION 23 82 00
HEATING AND COOLING UNITS
PART 1 - GENERAL
1.1 DESCRIPTION
Fan coils, kick space heaters, convectors and finned-tube radiation.
1.2 QUALITY ASSURANCE
Refer to Paragraph, QUALITY ASSURANCE, in Section 23 05 11, COMMON WORK
RESULTS FOR HVAC AND STEAM GENERATION.
1.3 SUBMITTALS
A. Submit in accordance with Section 01 00 00, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES.
B. Manufacturer's Literature and Data:
1. Fan Coil Units.
2. Kick Space heaters.
2. Convectors.
3. Finned-tube radiation.
D. Certificates:
1. Compliance with paragraph, QUALITY ASSURANCE.
2. Compliance with specified standards.
E. Operation and Maintenance Manuals: Submit in accordance with paragraph, INSTRUCTIONS, in Section 01 00 00, GENERAL REQUIREMENTS.
1.4 APPLICABLE PUBLICATIONS
A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by the basic designation only.
B. Air Conditioning and Refrigeration Institute (ARI):
440-05.......................................... Room Fan Coils
C. National Fire Protection Association (NFPA):
90A-02 ......................................... Standard for the Installation of Air Conditioning and
Ventilating Systems
70-05 ............................................ National Electrical Code
NZAS 04-1042
HEATING AND COOLING UNITS 23 82 00 - 2
D. Underwriters Laboratories, Inc. (UL):
181-05.......................................... Standard for Factory-Made Air Ducts and Air Connectors
1995-05 ....................................... Heating and Cooling Equipment
1.5 WARRANTY
In accordance with Section 00 72 00, GENERAL CONDITIONS.
PART 2 - PRODUCTS
2.1 FAN COIL UNITS
A. General: Horizontal or vertical discharge type for hot water heating medium as indicated.
B. Casing: 18 ga steel sheet, phosphatized to resist rust and finished in baked enamel. Provide hanger supports.
C. Fan and motor: Centrifugal forward curved double width fan, direct driven by manufacturer's ECM motor. Provide resilient mounting. Provide fan guard for horizontal discharge units.
D. Air Inlet and Outlet:
1. Horizontal Supply Air outlet flange for duct mounting.
2. Bottom Return air inlet thru louvered inlet.
3. Outdoor air inlet at the rear of the unit with integral damper.
E. Hot Water Coil: Aluminum fins bonded to seamless copper tubing by mechanical expansion of the tubing, coils to be burst tested at 450 psi air and leak tested at 100 psi air. Unit to be factory piped with ball valves, autoflow balancing valve, 2-way or 3-way valve as per schedule.
F. Chilled Water Coil: Aluminum fins bonded to seamless copper tubing by mechanical expansion of the tubing, coils to be burst tested at 450 psi air and leak tested at 100 psi air.
G. Units to include factory pipe chase on the end with coil connections to provide room for the piping and valves.
H. Units shall include polymer drain pan, disconnect switch, replaceable filter, and condensate overflow detection with automatic shutdown.
2.2 KICK SPACE HEATERS
A. General: Horizontal type for installation in the toe space of cabinets for hot water heating medium, as indicated.
NZAS 04-1042
HEATING AND COOLING UNITS 23 82 00 - 3
B. Cabinet: Not less than 1.3 mm (l8 gage) steel with front panel with louvered outlet. Finish on exposed cabinet shall be factory-baked enamel in manufacturer's standard color as selected by the Architect.
C. Fan: Centrifugal blower, direct driven by a single phase, multi speed, electric motor with inherent overload protection. Motor and blower to be cross flow design.
D. Hot Water Coil: Aluminum fins bonded to seamless copper tubing by mechanical expansion of the tubing, designed for 517 kPa (75 psi) steam working pressure.
E. Factory Mounted Fan Speed Controls: Manual fan starter and three-position (low, high and off) fan speed switch.
2.3 CONVECTORS
A. Ratings: Certified under the I=B=R program of the Gas Appliance Manufacturer’s
Association.
B. Enclosures: 1.6 mm (l6 gage) steel, sloping top, designed for wall mounting. Provide baked enamel finish in standard manufacturer's colors as selected by the Architect. End plates and corner pieces shall be die-formed with round edges and fit flush with enclosure surface.
Provide access panels or extensions where required for access to valves shown on the drawings.
C. Hydronic/Steam Heating Elements: Steel pipe or nonferrous tubing with fins mechanically bonded by mechanical expansion of the tube. Elements shall be positively positioned front-to-back with provisions for silent horizontal expansion and contraction
2.4 FINNED-TUBE RADIATION
A. Ratings: Certified under the I=B=R program of the Gas Appliance Manufacturer’s
Association.
B. Enclosures: 1.6 mm (l6 gage) steel, sloping top, designed for wall mounting. Provide baked enamel finish in standard manufacturer's colors as selected by the Architect. End plates and corner pieces shall be die-formed with round edges and fit flush with enclosure surface.
Where continuous wall-to-wall installations are shown on the drawings provide all fillers, corner fittings, sleeves, end caps and other accessories, which shall have the same profile as
NZAS 04-1042
HEATING AND COOLING UNITS 23 82 00 - 4
the basic unit. Provide access panels or extensions where required for access to valves, or traps shown on the drawings.
C. Hydronic/Steam Heating Elements: Steel pipe or nonferrous tubing with fins mechanically bonded by mechanical expansion of the tube. Elements shall be positively positioned front-to-back with provisions for silent horizontal expansion and contraction.
PART 3 - EXECUTION
3.1 INSTALLATION
A. Work shall be installed as shown and according to the manufacturer’s diagrams and recommendations.
B. Handle and install units in accordance with manufacturer's written instructions.
C. Support units rigidly so they remain stationary at all times. Cross-bracing or other means of stiffening shall be provided as necessary. Method of support shall be such that distortion and malfunction of units cannot occur.
D. Install fiberglass blanket insulation above hydronic radiant panels.
3.2 OPERATIONAL TEST
Refer to Section 23 05 11, COMMON WORK RESULTS FOR HVAC AND STEAM
GENERATION.
END SECTION 238200
NZAS 04-1042
GENERAL PROVISIONS FOR ELECTRICAL WORK 26 05 00 - 1
SECTION 26 05 00 - GENERAL PROVISIONS FOR ELECTRICAL WORK
PART 1 - GENERAL
1.1 ALTERNATES
A. Take cognizance of any change required in the work and include the price deemed necessary to meet the requirements of the respective alternate.
1.2 BIDDING
A. The Contractor shall provide labor, materials, equipment, items, articles, operations and methods listed, shown, scheduled, or mentioned on the drawings, and/or specified, including all incidentals required for their completion.
B. The Contractor shall refer to the General part of these specifications, such as Instructions to Bidders, Special Conditions and Section 01 00 00 for restrictions covering time that work can be performed in certain areas, noisy and dusty operations, sequence of work, access to restricted areas and similar type of work and operations.
1.3 SUBSTITUTIONS
A. Most items in this DIVISION are eligible for substitution in accordance with the General Conditions and Supplements hereto. Where a proprietary specification is written for a particular item, then only that item may be used. The final decision as to acceptability rests with the Government.
B. When the Contracting Officer deems it necessary, to assure satisfactory installation and compatibility with other equipment, piping, ductwork, electrical provisions and other appurtenances, the Contractor shall prepare scale drawings of the substitute item showing proposed location, connections, relation to other equipment and other pertinent data such as maintenance space requirements, electrical requirements, height and weight. Drawings must receive Government's approval before the sub-stitution is made.
C. It is the Contractor's responsibility that the substitute item shall fit into the space allocated and that the item can be installed and function as intended. Should changes in the work of any Contractor become necessary as a result of any substitute item under this DIVISION, such changes shall be arranged and paid for by this Contractor.
D. Capacities of substitute items shall not be less than that of the specified item.
NZAS 04-1042
GENERAL PROVISIONS FOR ELECTRICAL WORK 26 05 00 - 2
E. The performance of the factory representative and supplier on past work will be a consideration in the approval process of substitute items.
1.4 CODES, REGULATIONS AND PERMITS
A. All materials and equipment shall be new, approved by Underwriters' Laboratories, Inc., or by the local inspection authority, and be in new, undamaged condition when installed.
B. Comply with the National Electrical Code, National Electrical Safety Code, International Building Code, and all other applicable Federal, State, Military, City and County codes, regulations and ordinances.
C. Obtain and arrange for all permits and approvals required for the execution of the work.
1.5 INTENT OF DRAWINGS
A. Riser diagrams and other diagrams are schematic only and not to scale. They are intended only to indicate sizes or relative arrangement of conduit and equipment shown elsewhere in plan view.
1.6 WORKMANSHIP
A. Work to be accomplished by workmen skilled in the particular trade, in conformance with best practices and to meet all applicable codes.
B. The Contracting Officer decides where work is satisfactory. This Contractor shall replace materials or equipment not properly installed or finished, without increase in payment received.
1.7 RESPONSIBILITY
A. The Contractor is responsible for installation of satisfactory and complete piece of work in accordance with true intent of drawings and specifications.
B. Consult all drawings for project to predetermine that work and equipment will fit as planned.
C. Location of conduit, panels, outlets, equipment, switches, etc., checked to determine it clears openings, structural members, heating units, ducts, piping and equipment having fixed locations. This check-out done prior to rough-in.
D. Conduit installation shall not impede access to any HVAC system access panels.
NZAS 04-1042
GENERAL PROVISIONS FOR ELECTRICAL WORK 26 05 00 - 3
E. If, at any time, and in case, change in location of conduit, fixtures, enclosed switches, panels, equipment, etc., becomes necessary due to obstacles or installation of other trades shown on any of the project drawings, such required changes shall be made by Contractor at no extra cost.
1.8 DELIVERY AND STORAGE OF MATERIALS
A. Make provisions which are acceptable to the Government for delivery and storage of materials.
B. Make provisions for introduction into the building of equipment furnished under this DIVISION.
1.9 MANUFACTURER'S DIRECTIONS
A. Manufactured materials and equipment applied, installed, connected, erected, used, cleaned and conditioned as directed by manufacturer unless noted otherwise herein or on the drawings.
1.10 CUTTING, PATCHING, REPAIRING
A. Cutting, patching and repairing required by the work of this DIVISION shall be the responsibility of this Contractor.
B. Work shall be performed in accordance with Section 01 00 00 of these specifications.
C. The performance of this work shall not weaken the structural integrity of the building.
D. Any abrasion or disfigurement of the finished work or any portion of the building where any such abrasion or disfigurement is caused by the activities of the contractor shall be repaired, and neatly refinished to match the adjacent work.
E. Cutting of structural members is not permitted.
1.11 OPENINGS IN RACEWAYS AND BOXES
A. Openings in conduit, boxes, etc., shall be kept closed during progress of work.
B. The Contractor is required to clean new systems found dirty to the satisfaction of the Government at no additional cost.
1.12 MECHANICAL WORK
A. Make electrical provisions for all equipment where it is the responsibility of this Contractor. Refer to other Sections of the specifications and the Drawings for
NZAS 04-1042
GENERAL PROVISIONS FOR ELECTRICAL WORK 26 05 00 - 4
interlocking, sequence of operations and other information pertinent to the rough-in, wiring and connections of equipment.
1.13 CLEANUP
A. Upon completion of work, remove materials, scraps, etc., relative to this work and leave premises in clean and orderly condition. This also includes unfinished spaces.
B. Clean equipment of dirt and debris, including interior of panels, outlet boxes, lighting fixtures, and fixture lenses.
1.14 SAMPLES
A. The Contractor shall submit actual production samples on any material or equipment requested if, in the Government's opinion, it is necessary in order to determine the quality, workmanship, operation, etc. of the item.
B. Samples will be returned to the Contractor. Approved samples may be used on the job.
C. Costs incurred in providing and returning samples will be the responsibility of the Contractor.
1.15 TEMPORARY SERVICES
A. See Section 01 00 00 – General Requirements for Temporary Facilities.
1.16 FIRE PROTECTION
A. Pipe penetrations of all smoke/fire partitions, walls and floors shall be effectively fire-stopped using materials and methods UL approved for this purpose. One such material is Carborundum bulk "Fiberfrax" fiber packing for filling the annular space between pipe and sleeve packing. Another acceptable material is Dow Corning 3-6548 Silicon RTV foam firestop system. Other equivalent manufacturers may be submitted to the Government for approval.
1.17 EQUIPMENT MOUNTING
A. Wall Mounting
1. Wall-mounted equipment, such as disconnect switches, shall be securely fastened to the wall using appropriate fasteners such as toggle bolts, expansion bolts, etc.
NZAS 04-1042
GENERAL PROVISIONS FOR ELECTRICAL WORK 26 05 00 - 5
1.18 COMPLETION AND TESTS
A. Complete and test each system and leave in proper operation. Test all wiring and connections installed under this contract.
B. At the time of finalizing the Project, a completion system test shall be performed in the presence of the Contracting Officer. During the test the contractor shall demonstrate that the system performs in the manner described in the specifications and indicated on the drawings. Test procedure and the results shall be recorded and delivered to the Contracting Officer. Tests shall be repeated after any corrections are made as a result of initial testing or correctional work under guaranteed provisions.
1.19 OPERATING INSTRUCTIONS
A. The Contractor shall provide qualified personnel to instruct the Government's maintenance people in the operation and maintenance of the system.
B. Written operation and maintenance instructions, as produced by the manufacturer, shall be provided for all equipment. These instructions shall be bound and submitted as described in Part 2, below.
1.20 REMODELING WORK
A. Wherever existing electrical wire, conduit, controls, circuits, etc., are cut into, removed or interrupted, as a result of the remodeling, all such items that serve areas or equipment that remain shall be rerouted, extended, relocated, etc., as necessary to maintain operation of equipment and services, unless specifically noted otherwise.
B. Downtime shall be held to a minimum. Outages shall be scheduled at a time acceptable to and approved by the Contracting Officer. Consult with Contracting Officer in sufficient time for him to make necessary preparations for the outage.
C. Demolition
1. Refer to the drawings for execution of demolition.
2. All existing equipment and material removed and not scheduled for reinstallation shall remain the property of the Government and shall be delivered to a designated stockpile area on the site by the Contractor.
Materials not wanted by the Government shall be removed from the site by the Contractor.
1.21 RECORD DRAWINGS
A. Maintain a separate set of electrical drawings at the job site at all times to be used as record drawings. This set shall be kept up to date with all changes and/or additions
NZAS 04-1042
GENERAL PROVISIONS FOR ELECTRICAL WORK 26 05 00 - 6
in the construction and/or mechanical systems, and shall be delivered to the Government at the completion of this job. This set of drawings shall be kept clean and protected at all times. Any changes shall be included in the final as-built drawings per Section 01 00 00.
PART 2 - SUBMITTALS AND BROCHURES OF EQUIPMENT
2.1 SUBMITTALS
A. Refer to Section 01 00 00 for general requirements. The contractor shall procure manufacturer's literature and/or certified prints for all items of equipment, materials as required by either the Submittal Schedule or as specifically called out in the individual Sections of this Division. Shop drawings and literature shall be complete and marked showing name of job, item used, size, dimensions, capacity, rough-in, etc., as required for complete check and installation. Any exceptions of the equipment being furnished from that specified shall be clearly defined. Specific requirements of submittals may be expanded in individual specification sections.
Minimum requirements shall include the following:
1. Submit actual installation layout drawings on floor plans showing conduit runs, conduit and conductor sizes, color coding, number of conductors and location of devices and equipment. Provide such drawings for systems such as water system controls.
2. Manufacturer's literature shall include any and all restrictions on the application and installed service limitations of the product.
B. All shop drawings shall be reviewed, approved and stamped by the Contractor before submitting to the Contracting Officer.
1. All items of equipment and systems which are to be installed as specified or are not otherwise designated as requiring Government approval, will require a letter of compliance by the Contractor stating that these items or system will be provided as specified and will be reviewed and stamped by the contractor.
2. Submittals for any piece of equipment or system which is a substitute from that specified or of any equipment or system specifically directing Government's review shall be forwarded to the Contracting Officer for review.
2.2 BROCHURES OF EQUIPMENT
A. Refer to Section 01 00 00 for General Requirements.
NZAS 04-1042
GENERAL PROVISIONS FOR ELECTRICAL WORK 26 05 00 - 7
B. All literature shall clearly indicate the equipment it represents or supplies protection for and shall be labeled with the equipment identification abbreviation found on the drawings, e.g. EF-1, etc. All information which is not applicable to the particular model and size supplied shall be clearly crossed out with heavy black marker or other suitable means. This includes dimensional drawings, maintenance information, parts lists, wiring diagrams, etc. Only the information applicable to the particular equipment supplied shall remain and it shall be easy to follow. Booklets not meeting these requirements shall be returned for correction.
C. Dividers shall be used to separate the literature for equipment supplied under each of the various Sections of this Division. Divider headings shall read the same as the Section title e.g. "26 51 00 INTERIOR LIGHTING."
C. Large size drawings or diagrams shall be folded and placed in heavyweight sheets with pockets.
2.3 GUARANTEE-WARRANTY
A. This Contractor shall and hereby does warrant and guarantee the electrical installation. See also Section 01 00 00.
B. That all work executed under this DIVISION will be free from defects of materials and workmanship for a period of one year from the date of substantial completion of this work.
C. The above party further agrees that he will, at his own expense, repair and replace all such defective materials and work and all other work damaged thereby, which becomes defective during the term of warranty.
PART 3 - EXECUTION
NOT USED
END OF SECTION 26 05 00
Repair Dormitory
655 NZAS 04-1042
MINOR ELECTRICAL DEMOLITION 26 05 01 - 1
SECTION 26 05 01 - MINOR ELECTRICAL DEMOLITION
PART 1 - GENERAL
1.1 SECTION INCLUDES
A. Electrical demolition.
PART 2 - PRODUCTS
2.1 MATERIALS AND EQUIPMENT
A. Materials and equipment for patching and extending work: As specified in individual sections.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Verify field measurements and circuiting arrangements are as shown on Drawings.
B. Verify that abandoned wiring and equipment serve only abandoned facilities.
C. Demolition drawings are based on casual field observation and existing record documents.
D. Report discrepancies to Architect and Engineer before disturbing existing installation.
E. Beginning of demolition means installer accepts existing conditions.
3.2 PREPARATION
A. Disconnect electrical systems, as required, and indicated on the Drawings.
B. Coordinate utility service outages with the Contracting Officer’s representative.
C. Provide temporary wiring and connections to maintain existing systems in service during construction. When work must be performed on energized equipment or circuits, use personnel experienced in such operations.
D. Existing Electrical Service: Maintain existing system in service. Disable system only to make switchovers and connections. Minimize outage duration.
1. Obtain permission from Contracting Officer at least 72 hours before partially or completely disabling system.
655 NZAS 04-1042
MINOR ELECTRICAL DEMOLITION 26 05 01 - 2
2. Make temporary connections to maintain service in areas adjacent to work area.
3.3 DEMOLITION AND EXTENSION OF EXISTING ELECTRICAL WORK
A. Remove, relocate, and extend existing installations to accommodate new construction.
B. Remove abandoned wiring to source of supply.
C. Remove exposed abandoned conduit, including abandoned conduit above accessible ceiling finishes. Cut conduit flush with walls and floors, and patch surfaces.
D. Disconnect and remove electrical devices and equipment serving utilization equipment that has been removed.
E. Repair adjacent construction and finishes damaged during demolition and extension work.
F. Maintain access to existing electrical installations which remain active. Modify installation or provide access panel as appropriate.
G. Extend existing installations using materials and methods compatible with existing electrical installations, or as specified.
H. Disconnect and remove abandoned equipment, as noted on the Drawings.
3.4 CLEANING AND REPAIR
A. Clean and repair existing materials and equipment which remain or are to be reused.
B. Panelboards: Clean exposed surfaces and check tightness of electrical connections.
Replace damaged circuit breakers and provide closure plates for vacant positions. Provide typed circuit directory showing revised circuiting arrangement.
END OF SECTION 26 05 01
NZAS 04-1042
EQUIPMENT WIRING CONNECTIONS 26 05 03 - 1
SECTION 26 05 03 - EQUIPMENT WIRING CONNECTIONS
PART 1 - GENERAL
1.1 SUMMARY
A. Section includes electrical connections to equipment.
1.2 REFERENCES
A. National Electrical Manufacturers Association:
1. NEMA WD 1 - General Requirements for Wiring Devices.
2. NEMA WD 6 - Wiring Devices-Dimensional Requirements.
1.3 SUBMITTALS
A. See Section 01 00 00 for submittal procedures.
B. Product Data: Submit wiring device manufacturer’s catalog information showing dimensions, configurations, and construction.
C. Manufacturer's installation instructions.
1.4 CLOSEOUT SUBMITTALS
A. See Section 01 00 00 for submittal procedures.
B. Project Record Documents: Record actual locations, sizes, and configurations of equipment connections.
1.5 COORDINATION
A. See Section 01 00 00 for coordination and project conditions.
B. Obtain and review shop drawings, product data, manufacturer’s wiring diagrams, and manufacturer's instructions for equipment furnished under other sections.
C. Determine connection locations and requirements.
D. Sequence rough-in of electrical connections to coordinate with installation of equipment.
E. Sequence electrical connections to coordinate with start-up of equipment.
NZAS 04-1042
EQUIPMENT WIRING CONNECTIONS 26 05 03 - 2
PART 2 - PRODUCTS
NOT USED
PART 3 - EXECUTION
3.1 EXAMINATION
A. See Section 01 00 00 for coordination and project conditions.
B. Verify equipment is ready for electrical connection, for wiring, and to be energized.
3.2 EXISTING WORK
A. Remove exposed abandoned equipment wiring connections, including abandoned connections above accessible ceiling finishes.
B. Disconnect abandoned utilization equipment and remove wiring connections. Remove abandoned components when connected raceway is abandoned and removed. Install blank cover for abandoned boxes and enclosures not removed.
C. Extend existing equipment connections using materials and methods compatible with existing electrical installations, or as specified.
3.3 INSTALLATION
A. Make electrical connections.
B. Make conduit connections to equipment using flexible conduit. Use liquidtight flexible conduit with watertight connectors in damp or wet locations.
C. Connect heat producing equipment using wire and cable with insulation suitable for temperatures encountered.
D. Install suitable strain-relief clamps and fittings for cord connections at outlet boxes and equipment connection boxes.
E. Install disconnect switches, controllers, control stations, and control devices to complete equipment wiring requirements.
F. Install terminal block jumpers to complete equipment wiring requirements.
G. Install interconnecting conduit and wiring between devices and equipment to complete equipment wiring requirements.
NZAS 04-1042
EQUIPMENT WIRING CONNECTIONS 26 05 03 - 3
3.4 ADJUSTING
A. See Section 01 00 00 for testing, adjusting, and balancing.
B. Cooperate with utilization equipment installers and field service personnel during checkout and starting of equipment to allow testing and balancing and other startup operations.
Provide personnel to operate electrical system and checkout wiring connection components and configurations.
3.5 EQUIPMENT CONNECTION SCHEDULE
A. Refer to Schedule of Control Equipment on the Drawings.
END OF SECTION 26 05 03
NZAS 04-1042
LOW-VOLTAGE ELECTRICAL POWER CONDUCTOR AND CABLES 26 05 19 - 1
SECTION 26 05 19 - LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS
AND CABLES
PART 1 - GENERAL
1.1 SECTION INCLUDES
A. Wire and cable for 600 volts and less.
B. Wiring connectors and connections.
1.2 REFERENCES
A. NECA 1 - Standard for Good Workmanship in Electrical Contracting; National Electrical Contractors Association; latest edition.
B. International Electrical Testing Association; latest edition.
C. NFPA 70 - National Electrical Code; National Fire Protection Association; latest edition.
1.3 SUBMITTALS
A. See Section 01 00 00 for submittal procedures.
B. Product Data: Provide for each cable assembly type.
1. Provide manufacturer's catalog literature indicating size, insulation types and capacities of materials provided.
C. Test Reports: Indicate procedures and values obtained.
D. Manufacturer's Installation Instructions: Indicate application conditions and limitations of use stipulated by product testing agency.
E. Project Record Documents: Record actual locations of components and circuits.
1.4 QUALITY ASSURANCE
A. Conform to requirements of NFPA 70.
B. Manufacturer Qualifications: Company specializing in manufacturing the Products specified in this section with minimum three years documented experience and with service facilities within 100 miles (160 km) of Project.
C. Products: Furnish products listed and classified by Underwriters Laboratories Inc. or
NZAS 04-1042
LOW-VOLTAGE ELECTRICAL POWER CONDUCTOR AND CABLES 26 05 19 - 2
testing firm acceptable to the authority having jurisdiction as suitable for the purpose specified and indicated.
D. Conductors shall be of American manufacture and made in accordance with the requirements of the National Electrical Code and the Underwriters Laboratories.
E. Conductors shall be copper. Aluminum is not acceptable.
F. Reuse of existing Romex is acceptable.
PART 2 - PRODUCTS
2.1 WIRING REQUIREMENTS
A. Concealed Dry Interior Locations: Use only building wire in raceway, building wire with Type THW/THWN insulation in raceway, armored cable, or metal clad cable.
B. Exposed Dry Interior Locations: Use only building wire in raceway, building wire with Type THW/THWN insulation in raceway, or metal clad cable.
C. Above Accessible Ceilings: Use only building wire in raceway, building wire with Type THW/THWN insulation in raceway, armored cable, or metal clad cable.
D. Wet or Damp Interior Locations: Use only building wire with Type THW insulation in raceway, armored cable with jacket, or metal clad cable.
E. Use solid conductor for feeders and branch circuits 10 AWG and smaller.
F. Use stranded conductors for control circuits.
G. Use conductor not smaller than 12 AWG for power and lighting circuits.
H. Use conductor not smaller than 16 AWG for control circuits.
I. Use 10 AWG conductors for 20 ampere, 120 volt branch circuits longer than 75 feet (25 m).
J. Conductor sizes are based on copper.
K. Aluminum conductors are not acceptable.
L. Reuse of existing Romex is acceptable.
M. Note any special wiring of auxiliary systems as specified elsewhere or noted on the drawings.
NZAS 04-1042
LOW-VOLTAGE ELECTRICAL POWER CONDUCTOR AND CABLES 26 05 19 - 3
N. Pre-wired cable shall not be acceptable.
2.2 WIRE MANUFACTURERS
A. Cerro Wire & Cable Company: www.cerrowire.com
B. Industrial Wire & Cable, Inc: www.iewc.com
C. Southwire Company: www.southwire.com
D. Substitutions: See Section 01 00 00.
2.3 BUILDING WIRE
A. Description: Single conductor insulated wire.
B. Conductor: Copper.
C. Insulation Voltage Rating: 600 volts.
D. Insulation: NFPA 70, Type THW.
E. Insulation: Thermoplastic material rated 75 degrees C.
2.4 METAL CLAD CABLE
A. Description: NFPA 70, Type MC.
B. Conductor: Copper.
C. Insulation Voltage Rating: 600 volts.
D. Insulation Temperature Rating: 75 degrees C.
E. Insulation Material: Thermoplastic.
F. Armor Material: Steel.
G. Armor Design: Interlocked metal tape.
H. Jacket: PVC; where required.
2.5 CONNECTORS
A. Cable size #6 or larger, use lugs or approved connectors.
http://www.cerrowire.com/ http://www.iewc.com/ http://www.southwire.com/
NZAS 04-1042
LOW-VOLTAGE ELECTRICAL POWER CONDUCTOR AND CABLES 26 05 19 - 4
B. Conductors #8 and smaller, use one of the following solderless connections or approved equal:
1. Ideal Industries "Wing Nut"
2. 3M Co. "Scotchlok"
3. Buchanan steel splice cap with nylon insulator
C. Equivalent manufacturers may be submitted to the Government for approval per Section 01 00 00.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Verify that interior of building has been protected from weather.
B. Verify that mechanical work likely to damage wire and cable has been completed.
C. Verify that raceway installation is complete and supported.
D. Verify that field measurements are as indicated.
3.2 PREPARATION
A. Completely and thoroughly swab raceway before installing wire.
3.3 INSTALLATION
A. Install wire and cable securely, in a neat and workmanlike manner, as specified in NECA 1.
B. Route wire and cable as required to meet project conditions.
1. Wire and cable routing indicated is approximate unless dimensioned.
2. Where wire and cable destination is indicated and routing is not shown, determine exact routing and lengths required.
3. Include wire and cable of lengths required to install connected devices within 10 ft (3000 mm) of location shown.
C. Use wiring methods indicated.
NZAS 04-1042
LOW-VOLTAGE ELECTRICAL POWER CONDUCTOR AND CABLES 26 05 19 - 5
D. Pull all conductors into raceway at same time.
E. Use suitable wire pulling lubricant for building wire 4 AWG and larger.
F. Protect exposed cable from damage.
G. Support cables above accessible ceiling, using spring metal clips or metal cable ties to support cables from structure or ceiling suspension system. Do not rest cable on ceiling panels.
H. Use suitable cable fittings and connectors.
I. Neatly train and lace wiring inside boxes, equipment, and panelboards.
J. Clean conductor surfaces before installing lugs and connectors.
K. Make splices, taps, and terminations to carry full ampacity of conductors with no perceptible temperature rise.
L. Where existing conductors may be aluminum, use suitable reducing connectors or mechanical connector adaptors for connecting, the existing aluminum conductors to new copper conductors.
M. Use split bolt connectors for copper conductor splices and taps, 6 AWG and larger. Tape uninsulated conductors and connector with electrical tape to 150 percent of insulation rating of conductor.
N. Use solderless pressure connectors with insulating covers for copper conductor splices and taps, 8 AWG and smaller.
O. Use insulated spring wire connectors with plastic caps for copper conductor splices and taps, 10 AWG and smaller.
P. Identify and color code wire and cable under provisions of Section 26 05 53. Identify each conductor with its circuit number or other designation indicated.
Q. All conductors installed in raceways.
R. Conductors to be sized in accordance with the National Electrical Code except minimum size #12 AWG gauge unless otherwise specified, noted or approved.
S. Color coded in accord with the following table:
System Voltage ØA ØB ØC Neutral Ground 120/208 Wye Black Red Blue White Green
NZAS 04-1042
LOW-VOLTAGE ELECTRICAL POWER CONDUCTOR AND CABLES 26 05 19 - 6
1. Auxiliary systems shall each have their own color coding throughout the respective systems.
T. Circuits run and numbered to agree with drawings. Combining of circuits other than what is shown on drawings is unacceptable.
3.4 FIELD QUALITY CONTROL
A. Perform field inspection and testing in accordance with Section 01 00 00.
END OF SECTION 26 05 19
NZAS 04-1042
GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 26 05 26 - 1
SECTION 26 05 26 - GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS
PART 1 - GENERAL
1.1 SUMMARY
A. Section Includes:
1. Wire.
2. Mechanical connectors.
3. Exothermic connections.
1.2 REFERENCES
A. Institute of Electrical and Electronics Engineers:
1. IEEE 142 - Recommended Practice for Grounding of Industrial and Commercial Power Systems.
2. IEEE 1100 - Recommended Practice for Powering and Grounding Electronic Equipment.
B. National Fire Protection Association:
1. NFPA 70 - National Electrical Code; National Fire Protection Association; 2008.
1.3 SYSTEM DESCRIPTION
A. Grounding systems use the following elements as grounding electrodes:
1. Existing Metal underground water pipe.
2. Metal building frame.
3. Existing Metal underground gas piping system.
1.4 PERFORMANCE REQUIREMENTS
A. Grounding System Resistance: 25 ohms maximum.
1.5 SUBMITTALS
A. See Section 01 00 00 for submittal procedures.
B. Product Data: Submit data on grounding electrodes and connections.
NZAS 04-1042
GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 26 05 26 - 2
C. Test Reports: Indicate overall resistance to ground.
D. Manufacturer's Certificate: Certify Products meet or exceed specified requirements.
1.6 CLOSEOUT SUBMITTALS
A. See Section 01 00 00 for closeout submittal requirements.
B. Project Record Documents: Record actual locations of components and grounding electrodes.
1.7 QUALITY ASSURANCE
A. Provide grounding materials conforming to requirements of NEC, IEEE 142, and UL labeled.
B. Perform Work in accordance with Military standards.
C. Maintain one copy of each document on site.
1.8 QUALIFICATIONS
A. Manufacturer: Company specializing in manufacturing Products specified in this section with minimum three years documented experience.
B. Installer: Company specializing in performing work of this section with minimum three years documented experience and approved by manufacturer.
1.9 DELIVERY, STORAGE, AND HANDLING
A. See Section 01 00 00 for requirements for transporting, handling, storing, and protecting products.
B. Accept materials on site in original factory packaging, labeled with manufacturer's identification.
C. Protect from weather and construction traffic, dirt, water, chemical, and mechanical damage, by storing in original packaging.
D. Do not deliver items to project before time of installation. Limit shipment of bulk and multiple-use materials to quantities needed for immediate installation.
1.10 COORDINATION
A. See Section 01 00 00 for coordination requirements.
B. Complete grounding and bonding of building reinforcing steel prior concrete placement.
NZAS 04-1042
GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 26 05 26 - 3
PART 2 - PRODUCTS
2.1 MANUFACTURERS
A. Eric, Inc.: www.erico.com
B. O-Z Gedney Co.: www.o-zgedney.com
C. Thomas & Betts, Electrical: www.tnb.com
D. ILSCO Corporation: www.ilsco.com
E. Substitutions: See Section 01 00 00.
2.2 WIRE
A. Material: Stranded copper.
B. Grounding Electrode Conductor: Copper conductor bare.
C. Bonding Conductor: Copper conductor bare.
2.3 MECHANICAL CONNECTORS
A. Description: Bronze connectors, suitable for grounding and bonding applications, in configurations required for particular installation.
2.4 EXOTHERMIC CONNECTIONS
A. Product Description: Exothermic materials, accessories, and tools for preparing and making permanent field connections between grounding system components.
PART 3 - EXECUTION
3.1 PREPARATION
A. Remove paint, rust, mill oils, surface contaminants at connection points.
3.2 EXISTING WORK
A. Modify existing grounding system to maintain continuity to accommodate renovations.
B. Extend existing grounding system using materials and methods compatible with existing electrical installations, or as specified.
3.3 INSTALLATION
A. Install in accordance with IEEE 142.
http://www.erico.com/ http://www.o-zgedney.com/ http://www.tnb.com/ http://www.ilsco.com/
NZAS 04-1042
GROUNDING AND BONDING FOR ELECTRICAL SYSTEMS 26 05 26 - 4
B. Install grounding and bonding conductors concealed from view.
C. Equipment Grounding Conductor: Install separate, insulated conductor within each feeder and branch circuit raceway. Terminate each end on suitable lug, bus, or bushing.
D. Install continuous grounding using underground cold water system and building steel as grounding electrode.
E. Permanently ground entire light and power system in accordance with NEC, including service equipment, distribution panels, lighting panelboards, switch and starter enclosures, motor frames, grounding type receptacles, and other exposed non-current carrying metal parts of electrical equipment.
F. Accomplish grounding of electrical system by using insulated grounding conductor installed with feeders and branch circuit conductors in conduits. Size grounding conductors in accordance with NEC. Install from grounding bus of serving panel to ground bus of served panel, grounding screw of receptacles, lighting fixture housing, light switch outlet boxes or metal enclosures of service equipment. Ground conduits by means of grounding bushings on terminations at panelboards with installed #12 conductor to grounding bus.
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