SECTION 16121 FEEDER CIRCUITS

This spec was part of the Des Plaines, IL River WRF project that bid Feb 26, 2015.

SECTION 16121 FEEDER CIRCUITS


PART 1 GENERAL

1.1 DESCRIPTION

A. Applicable provisions of Division 1 and Division 0 shall govern work in this Section.

B. Requirements of this Section are applicable to feeders as defined in NEC Article 100.

1.2 QUALITY ASSURANCE

A. The installation shall conform to the requirements of the following:
1. National Fire Protection Association (NFPA) - 70 - National Electrical Code (NEC) and Wisconsin amendments thereto.
2. National Electrical Contractors Association (NECA) - Standard of Installation.


PART 2 PRODUCTS

       A. Not used.


PART 3 EXECUTION

3.1 INSPECTION

A. Examine areas and conditions under which feeders are to be installed and notify Engineer, in writing, of conditions detrimental to proper and timely completion of work.

B. Do not proceed with work until unsatisfactory conditions have been corrected.

3.2 INSTALLATION

A. Install in accordance with manufacturer's written instructions, and in accordance with recognized industry practices.

B. Extend feeders at full capacity from origin to termination.

C. Each conduit raceway shall contain only those conductors constituting a single feeder circuit.

D. Where feeder conductors are run in parallel, conductors shall be of same length, same material, circular-mil area, insulation type, and terminated in same manner.

E. Where parallel feeder conductors shall be run in separate raceways, each raceway shall have same physical characteristics.

F. Feeders shall follow most accessible routes, concealed in construction in finished areas, exposed to the minimum temperature gradient and to minimum temperature fluctuation.

G. Confine feeders to insulated portions of building, unless otherwise specified.

H. Trapped feeder runs without facilities for continuous drainage are not acceptable.

I. Do not draw conductors into conduits until building is enclosed and watertight and until work which may cause cable damage has been completed.

J. Feeder conduits shall not be routed in conduit floor slabs or below basement or grade level floor slabs.

K. Each phase conductor of each feeder shall be identified at both ends and at all accessible locations with colored plastic tape. Each phase shall be identified by a different color as indicated in section 16120. Painted identification is not acceptable.

L. Feeder conductors in switchboards, panelboards, pullboxes, gutters, and other open wiring spaces shall be bundled by feeder using plastic tie wraps at intervals not greater than 3’ on center.

M. Each new MCC feeder circuit shall be concrete-encased.






END OF SECTION