26 05 05 - General Provisions For Electrical Systems.docx
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- Attached to
- Replace 250VDC Rectifiers & Associated Equipment Federal contract opportunity
- Solicitation number
- W911PT23Q0044
About this file
This document provides specifications for the replacement of 250VDC rectifiers and associated equipment. The solicitation calls for replacing five 250VDC rectifiers and their associated 480-240VAC transformers located in various buildings. The contractor will be responsible for providing all labor, materials, parts, and equipment to complete the replacements, and for installing any necessary cable and conduit. The solicitation incorporates the latest revision of Wage Determination No. 2015-4143 per the Service Contract Labor Standards. The contracting agency is the Department of the Army Materiel Command Contracting Command Detroit Arsenal, and the contracting officer's representative is David Fisher.
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Text version
WVA GENEREAL PROVISIONS FOR ELECTRICAL SYSTEMS
SECTION 26 05 05
GENERAL PROVISIONS FOR ELECTRICAL SYSTEMS
PART 1 GENERAL
1.1 DESCRIPTION
| A. | Scope: |
| 1. | CONTRACTOR shall provide all labor, materials, equipment and incidentals shown, specified, and required to complete the electrical Work. |
| B. | Coordination: |
| 1. | Review installation procedures and schedules under other Specification sections and coordinate with other trades the installation of electrical items that must be installed with or within formwork, walls, partitions, ceilings, and panels. |
| C. | General: |
| 1. | Interpretation of Drawings: |
| a. | Dimensions on Drawings related to equipment are based on equipment of certain manufacturers. Conform the dimensions of equipment furnished to space allocated to the equipment. |
| b. | Drawings show the principal elements of the electrical Work, and are not intended as detailed working drawings for the electrical Work. Drawings supplement and complement the Specifications relative to principal features of electrical systems. |
| c. | Equipment and devices furnished and installed under this Contract shall be properly connected and interconnected with other equipment and devices for successful operation of complete systems, whether or not all connections and interconnections are specifically mentioned or shown in the Contract Documents. |
| d. | Similar products shall be from the same manufacturer for uniformity. |
| e. | Drawings are provided for CONTRACTOR’s guidance in fulfilling the operational intent of the Contract Documents CONTRACTOR shall comply with safety and electrical codes and provide equipment, appurtenances, and specialty items necessary for complete and operable systems. |
1.2 QUALITY ASSURANCE
A. Permits: Refer to the General Conditions and Supplementary Conditions for responsibilities relative to obtaining and paying for CONTRACTOR’s permits, licenses, and inspection fees.
B. Testing Laboratory Labels: Electrical material and equipment shall be new and bear the label of Underwriters' Laboratories, Inc. or other nationally recognized, independent testing laboratory, where standards have been established and label service applies.
| C. | Area Classifications: |
| 1. | Materials, equipment, and incidentals shall conform to the area classification(s) shown, specified, and required. |
| 2. | Corrosive Locations: Conform to NEC and NEMA requirements for corrosive locations. Enclosures in corrosive locations shall conform to NEMA 4X requirements unless specified otherwise. |
| 3. | Dusty Locations: Indoor areas not designated as hazardous, corrosive, or wet are dusty locations. Conform to NEC and NEMA 12 requirements unless specified otherwise. |
| D. | Field Quality Control: |
| 1. | Conduct field quality control Work for the electrical installation. Field quality control shall be per the requirements specified in Article 3.3 of this Section. |
| 2. | Obtain from CONTRACTING OFFICER record drawings required to execute the Work. |
1.4 SUBMITTALS
A. Submit Shop Drawings for each Specification section as a single submittal.
B. Review of equipment submittals does not relieve CONTRACTOR of their contractual responsibility to provide complete and successfully operating systems.
| C. | Action Submittals: Submit the following: |
| 1. | Shop Drawings: |
| a. | Internal wiring diagram and drawings indicating all connections to components and numbered terminals for external connections |
| b. | Dimensioned plan, section, elevations, and panel layouts showing means for mounting, conduit connection, and grounding. |
| c. | Point-to point interconnection wiring diagrams |
| 2. | Product Data: |
| a. | Manufacturer's name and product designation or catalog number. |
| b. | Electrical ratings. |
| c. | Conformance to applicable standards or specifications of ANSI, ASTM, ICEA, IEEE, ISA, NEC, NEMA, NFPA, OSHA, UL, or other organizations. |
| d. | Materials and finish specifications, including paints. |
| e. | List of components including manufacturer’s names and catalog numbers. |
| D. | Informational Submittals: Submit the following: |
| 1. | Supplier Instructions: |
| a. | Installation data |
| b. | Instructions for handling, start-up, and troubleshooting. |
| 2. | Site Quality Control Submittals: |
| a. | Submit operating test procedures and results for equipment. |
| E. | Closeout Submittals: Submit the following: |
| 1. | Record Documentation: |
| a. | System Record Drawings: Include the following: |
| 1) | One-line wiring diagram of the distribution system. |
| 2) | Actual, in-place conduit and cable layouts with schedule of conduit sizes and number, and size of conductors. |
| 3) | Layouts of the power and lighting arrangements and the grounding system. |
| 4) | Control schematic diagrams, with terminal numbers and all control devices identified, for all equipment. |
| b. | Point-to-Point Interconnection Wiring Diagram Drawings: Include the following: |
| 1) | External wiring for each piece of equipment, panel, instrument, and other devices and wiring to control stations, lighting panels, and motor controllers. |
| 2) | Numbered terminal block identification for each wire termination. |
| 3) | Identification of the assigned wire numbers for all interconnections. |
| 4) | Identification of wiring by the conduit tag in which the wire is installed. |
| 5) | Terminal, junction, and pull boxes through which wiring is routed. |
| 6) | Identification of all equipment and the Shop Drawing transmittal number for equipment from which the wiring requirements and termination information was obtained. |
| 2. | The record documents shall reflect final equipment and field installation information. |
1.4 PRODUCT DELIVERY, STORAGE, AND HANDLING
A. Delivery of Products: Advise Subcontractors and Suppliers of the maximum shipping sizes of equipment that can be accommodated at the Site.
1.5 JOB CONDITIONS
| A. | Existing Conditions: |
| 1. | Examine the Site and existing facilities to compare them with the Contract Documents relative to the conditions of the premises, location of and connection to existing facilities, and obstructions that may affect the Work. |
| 2. | Perform the Work with due regard to safety and in a manner that will not interfere with the existing equipment or cause interruption of the functions of the Site, unless specified otherwise. |
| 3. | Work shall be performed with a minimum amount of disruption to the operation of the existing facilities and Site and with prior approval of CONTRACTING OFFICER. Submit for review by CONTRACTING OFFICER a detailed written procedure for Work affecting operation of existing facilities and Site, a detailed procedure for modifying existing electrical equipment, and anticipated time required to complete the Work and the required shutdown time, if any. |
| 4. | Where the Work ties in with existing installations, CONTRACTOR shall take precautions and safeguards in connecting the Work to existing operating circuits to prevent interruption to existing circuits. Connection of Work to existing circuits shall be performed in the presence of CONTRACTING OFFICER. Advance written notice is required before equipment is removed from service. |
| B. | Staging. |
| 1. | Where the Work requires certain equipment to be taken out of service, CONTRACTOR shall perform the Work with due regard to maintenance of operations and construction staging. |
| 2. | The level of service and control existing at the start of the Contract shall be maintained at all times, except as required during actual change-over to new equipment. Interruptions of existing circuits shall be coordinated with the CONTRACTING OFFICER who will determine the length of time a circuit may be de-energized to maintain the CONTRACTING OFFICER’s processes in dependable and safe operation. |
| C. | Demolition. |
| 1. | Electrical demolition shall be per Section 02 41 00, Demolition. |
1.6 ELECTRICAL EQUIPMENT
A. Unless specified otherwise, electrical equipment shall have ratings based on 75 degrees C terminations.
PART 2 – PRODUCTS (NOT USED)
PART 3 - EXECUTION
3.1 INSPECTION
A. Examine the conditions under which Work is to be performed and notify CONTRACTING OFFICER in writing of conditions detrimental to the proper and timely completion of the Work. Do not proceed with Work until unsatisfactory conditions have been corrected.
3.2 DEMONSTRATION OF EQUIPMENT
A. Demonstrate to CONTRACTING OFFICER when the Work is Substantially Complete that all electrical systems and electrically operated equipment operate per the Contract Documents and as required.
B. Coordinate equipment demonstrations and tests with CONTRACTING OFFICER in advance.
| C. | Perform the following operational tests: |
| 1. | Operate power circuits to verify proper operation and connection to equipment, including mechanical key-interlocks for circuit breakers. |
| 2. | Remove and re-apply power supply to automatic transfer equipment to verify their operation. Activate standby power systems to verify their automatic start-up, proper de-energization, and cool down upon resumption of normal power supply. |
| 3. | Operate control circuits including pushbuttons, indicating lights, and similar devices to verify proper connection and function. Operate all devices, such as pressure and flow switches and similar devices, to verify that shut-downs and control sequences operate as required. |
| 4. | Operate lighting systems and receptacle devices to verify proper operation and connections. |
D. Provide a report on the equipment demonstration and operating tests. The report shall include complete information on the tests performed and results.
3.3 FIELD QUALITY CONTROL
A. Provide services to interface with existing circuits. Field-determine system and equipment requirements prior to modifying existing systems.
| B. | Field services required shall include the following: |
| 1. | Coordinate the interface of equipment with CONTRACTING OFFICER’s personnel and field conditions. |
| 2. | Field-trace existing circuits as required to interface the equipment provided. |
C. Provide tools and equipment required to trace circuits necessary for proper execution of the Work.
D. Define and identify all wiring, circuit terminations, and equipment to be modified to ensure the proper interface of all components. The Contract Price includes all costs associated with field services specified for a complete and functional system.
+ + END OF SECTION + +
2118173 26 05 05-1
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