SECTION 16040 ELECTRICAL DEMOLITION AND ALTERATIONS

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


SECTION 16040

ELECTRICAL DEMOLITION AND ALTERATIONS



PART 1 GENERAL

1.1 RELATED DOCUMENTS

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

1.2 JOB CONDITIONS

A. The existing buildings shall remain in service during construction.  Power outages and interruptions in building systems shall be held to a minimum and shall be done at a time convenient to the Owner. The time of all outages shall be scheduled with the Owner and all other trades affected by the outage at least ten working days in advance.  All demolition work shall be scheduled at periods and times acceptable to the Owner.

B. Refer to demolition specification in Division 2, for areas and equipment being remodeled.

C. Prior to demolition or alteration of structures, the following shall be accomplished:
1. Owner release of such structure.
2. Disconnection of electrical power to equipment and circuits removed or affected by demolition work.
3. Electrical services rerouted or shut off outside area of demolition.
4. Coordinate sequencing with Owner and other Contractors.
5. Survey and record condition of existing facilities to remain in place that may be affected by demolition operations.  After demolition operations are completed, survey conditions again and restore existing facilities to their predemolition condition.

D. Notify utilities prior to razing operations to permit them to disconnect and remove and/or relocate any equipment that served existing facilities. It is the Contractor’s responsibility to coordinate, with the Utility, any change to any existing service or installation of a new service. The Contractor shall keep the Engineer informed of all communications between him and the Utility.

E. Contractor shall dispose of all obsolete material.


PART 2 PRODUCTS

A. Not used.

PART 3 EXECUTION

3.1 ELECTRIC SERVICE

A. De-energize and remove existing electric services per construction schedule and the electrical drawings.

3.2 MODIFICATIONS

A. Feeders, branch circuits, and other system wiring which are to remain in service but which are presently routed through areas being demolished shall be rerouted around demolition area.

B. Wall penetrations, which served conduits being removed, shall be patched.

C. Ceiling penetrations, which served conduits being removed, shall be patched. In the event that a ceiling is acoustical, damaged (perforated) ceiling tiles shall be replaced with new.

D. Branch circuit extensions/splicing: splicing is permitted for existing branch circuits that need to be extended. The additional conduit and wire shall match the existing. Conductor splices shall be accomplished inside of a new junction box.

3.3 REMOVAL

A. Electrical equipment in conflict with construction shall be removed or relocated as indicated on drawings, as directed, or required.

B. Remove or relocate:  Conduit, wire, boxes, fixtures that are in the way of construction.

C. Reconnect circuits and equipment to be continued in service.

D. Provide temporary wiring to any equipment that is to remain in operation during demolition and whose power would be interrupted as a result of demolition.

E. Remove electrical equipment released from service as a result of construction or as indicated on drawings.

F. Do not reuse removed electrical equipment except as specifically directed on the drawings.

G. Where the plans require existing equipment to be removed or relocated, removal shall include all equipment associated with the device. Associated equipment shall include but not be limited to coverplates, backboxes, conduit, fittings, de-energized conductors, etc. In instances where  a device is removed but active conductors remain in the backbox and the box is mounted in a wall which is remaining, the backbox may remain  and a blank coverplate provided. If removal of the box is specifically indicated on the plans the active conductors shall be intercepted at convenient, accessible locations and rerouted to allow existing box to be removed.  When boxes are removed from existing walls which will remain, it shall be the Contractor's responsibility to fill in openings and sand as

required flush with adjacent surfaces. The Contractor shall be responsible for final finish work unless specifically indicated otherwise on the plans.

3.4 DISPOSAL

A. Dispose of equipment that is removed unless specifically indicated on the drawings.

B. Raceway, conductors, boxes, cabinets and supporting devices shall become the property of the Contractor and shall be removed from the site and disposed of by the Contractor.

C. The Contractor shall tour demolition areas with the Owner to determine the status of all other equipment to be removed during demolition. All equipment that is to be salvaged for reuse by the Owner shall be removed by the Contractor and transported to a owner designated storage area on the site. The Owner shall be responsible for removal of salvaged equipment from the storage area.

3.5 LIGHTING FIXTURE BALLAST DISPOSAL (CONTROL BUILDING, Bldg #15)

A. The contractor shall inspect all ballasts in all light fixtures removed as part of this project and take the actions described below.

B. All ballasts labeled as "NON PCB'S" or "NO PCB'S" shall be handled as described in other sections of these specifications which describe demolition or salvage materials handling. If the PCB content is not stated on the ballast label, the ballast shall be handled as a PCB ballast.

C. All PCB ballasts shall have the wires clipped off and the ballasts placed in US DOT approved type 17C or type 17H barrels and placed in storage in a location within the building as designated by the Owner. The Contractor shall provide to the Owner, in typewritten form, a total count of these ballasts and where they are stored.

D. These ballasts are not to be removed from the work site by the Contractor.

E. The Contractor shall label and mark the PCB storage barrels with EPA approved PCB labels and shall mark the storage area with signs, marks, and lines to meet the regulations of Wisconsin Code NR 157.

F. The Contractor shall provide approved PCB absorbent materials to be stored immediately adjacent to the barrel storage area. Do not place loose absorbent material in the barrels.

G. When the ballast demolition is completed and all PCB ballasts are placed in barrels ready to be picked up for disposal, the Contractor shall notify the Owner in writing so the Owner can make arrangements for pick up and disposal of the PCB ballasts.

3.6 LIGHTING FIXTURE LAMP DISPOSAL

A. The Contractor shall be responsible for the proper removal and recycling of all existing fixture lamps being removed from service in accordance with EPA and State of Wisconsin DNR requirements.  Lamps shall not be disposed of in any way except as described herein.

B. The Contractor shall be responsible for arranging for recycling of lamps by a licensed waste lamp and bulb recycler. The cost for recycling of removed lamps shall be included in the Contractor's bid.

C. The Contractor shall carefully package removed lamps to prevent breakage. The Contractor shall store waste lamps in a secure area, either in the container that the lamps are shipped in or in other ways so as to eliminate breakage.  Both the lamp storage area and individual containers should be labeled as hazardous waste. Store lamps in covered containers to prevent lamps from being broken as a result of other debris being placed on top of them.

3.7 ALTERATIONS

A. The Contractor shall be responsible for work of other trades to facilitate installation of electrical work in the existing building.

B. Work required by Electrical Contractor which is normally performed by other trades shall be done under direction and at the expense of Electrical Contractor.




END OF SECTION