District Wide As Needed Electrical

SECTION 16050
ELECTRICAL DEMOLITION
PART 1 - GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary
Conditions and Division 1 Specification Sections, apply to this Section.
B. Refer to Specifications and Drawings outlining the scope of work and general conditions
and requirements in addition to this Section.
1.2 SUMMARY
A. This Section includes the following:
1. Demolition and removal of selected portions of the building electrical distribution
system as well as portions of the building telecommunications and data systems,
fire alarm systems and security systems. In addition, associated controls, electrical
wiring, specialty system interfaces, and other building infrastructure is affected by
this work.
2. Patching and repairs to adjacent surfaces and adjoining spaces not specifically
included in the demo drawings but affected buy the removal of systems and or sub-
systems related to or served by systems serving affected areas.
3. Contractor shall provide Temporary Electrical Service and lighting for all trades
during course of demolition and construction.
4. Maintain existing fire alarm system in service to include Fire Alarm pull station at
all exit egress stairwells and corridors and magnetic door releases for separation of
smoke compartments. All smoke detection will be covered during daytime working
hours and uncovered by completion of work shift.
5. This section does not include the demolition of asbestos or other hazardous
materials identified during the process of demolition of the building and building
systems. The Contractor shall notify the Architect and Owner when suspicious
materials are identified which might be hazardous and request the Owner to test the
identified materials and remove materials if found to be hazardous before the
Contractor continues with demolition of the building.
1.3 DEFINITIONS
A. Remove: Remove and legally dispose of items except those indicated to be reinstalled,
salvaged, or to remain the Owner's property.
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B. Remove and Salvage: Items indicated to be removed and salvaged remain the Owner's
property. Remove, clean, and pack or crate items to protect against damage. Identify
contents of containers and deliver to Owner's designated storage area.
C. Remove and Reinstall: Remove items indicated; clean, service, and otherwise prepare
them for reuse; store and protect against damage. Reinstall items in the same locations or
in locations indicated.
D. Existing to Remain: Protect construction indicated to remain against damage and soiling
during selective demolition. When permitted by the Architect, items may be removed to
a suitable, protected storage location during selective demolition and then cleaned and
reinstalled in their original locations.
1.4 MATERIALS OWNERSHIP
A. The Owner has exclusive rights to all salvage and shall be asked prior to removal of any
salvage item. Except for items or materials indicated to be reused, salvaged, reinstalled, or
otherwise indicated to remain the Owner's property, demolished materials shall become
the Contractor's property and shall be removed from the site with further disposition at the
Contractor's option.
1. The Owner's representative shall identify in addition to those items noted on the
drawings, any other equipment or materials which he has interest in retaining or
salvaging.
2. The Contractor shall review and coordinate with the Owner to identify materials to
be salvaged and the location that salvaged materials are to be moved for Owner's
storage.
1.5 SUBMITTALS
A. General: Submit each item in this Article according to the Conditions of the Contract and
Division 1 Specification Sections, for information only, unless otherwise indicated.
B. Proposed noise-control measures. Coordinate with Section 02223 of this Specification.
C. Inventory of items to be removed and salvaged.
D. Inventory of items to be removed by Owner.
E. Photographs or videotape, sufficiently detailed, of existing conditions of adjoining
construction and site improvements that might be misconstrued as damage caused by
selective demolition operations.
F. Record drawings at Project closeout according to Division 1 Section "Contract Closeout."
1. Identify and accurately locate capped utilities and other subsurface structural,
electrical, or mechanical conditions.
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1.6 QUALITY ASSURANCE
A. Demolition Firm Qualifications: Engage an experienced firm that has successfully
completed selective demolition Work similar to that indicated for this Project.
B. Regulatory Requirements: Comply with governing EPA notification regulations before
starting selective demolition. Comply with hauling and disposal regulations of authorities
having jurisdiction.
1.7 PROJECT CONDITIONS
A. Owner will occupy portions of the building immediately adjacent to selective demolition
area. Conduct selective demolition so that Owner's operations will not be disrupted.
Provide not less than 72 hours' notice to Owner of activities that will affect Owner's
operations. Provide temporary electrical services to adjacent areas that might be affected
per Owner's directive.
B. Owner assumes no responsibility for actual condition of buildings to be selectively
demolished.
1. Conditions existing at time of inspection for bidding purpose will be maintained by
Owner as far as practical.
C. Asbestos: It is expected that asbestos will be encountered in the Work. If any materials
suspected of containing asbestos are encountered, do not disturb the materials.
Immediately notify the Architect and the Owner.
1. Asbestos will be selectively removed by Owner before start of Work.
D. Storage or sale of removed items or materials on-site will not be permitted.
1.8 SCHEDULING
A. Arrange selective demolition schedule so as not to interfere with Owner's on-site
operations.
1.9 WARRANTY
A. Existing Special Warranty: Remove, replace, patch, and repair materials and surfaces cut
or damaged during selective demolition, by methods and with materials so as not to void
existing warranties.
PART 2 - PRODUCTS
2.1 MATERIALS AND EQUIPMENT
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A. Materials and equipment for patching and extending work: As specified in Section 02223.
B. Include required temporary equipment to maintain existing electrical power to facility
with complete coordination with the Owner's representative for time of work and outages
scheduled without disruption to daily operations.
C. Include required temporary materials and equipment to maintain existing fire protection
system within area of remodel and construction. Notify Owner and coordinate with
Owner's safety personnel times during the work when areas of the existing building are
not fully protected by the building fire protection system. A fire watch shall be provided
during all hours of building occupancy (24 hours per day, 7 days per week) whenever fire
protection system is not fully operational within area of demolition and remodel.
D. Include required temporary materials and equipment to maintain active portions of the
building infrastructure systems that must stay in operation during demolition and remodel
work to serve adjacent spaces. All temporary work shall be suitable for continued
operation even if the proposed remodel work is not completed.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Survey existing conditions and correlate with requirements indicated to determine extent
of demolition.
B. Coordinate with owner to determine which security system devices such as; cameras, key
pads, etc to remove for reuse in remodel phase of contract.
C. Verify that abandoned wiring and equipment serve only abandoned facilities and remove
all abandoned wiring from the floor.
D. Demolition Drawings are based on casual non-destructive field observation. Report
discrepancies to Owner before disturbing existing installation.
E. Beginning of demolition means installer accepts existing conditions.
F. Verify that building systems serving the area of demolition have been disconnected,
terminated, and capped to prevent damage to the building or harm to personnel.
G. Inventory and record the condition of items to be removed and reinstalled and items to be
removed and salvaged.
H. When unanticipated mechanical, electrical, or structural elements that conflict with the
intended function or design are encountered, investigate and measure the nature and
extent of the conflict. Promptly submit a written report to the Architect.
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I. Survey the condition of the building to determine whether removing any element might
result in structural deficiency or unplanned collapse of any portion of the structure or
adjacent structures during selective demolition.
J. Perform surveys as the Work progresses to detect hazards resulting from selective
demolition activities.
3.2 BUILDING INFRASTRUCTURE SYSTEMS
A. Maintain existing building infrastructure systems indicated to remain in service and
protect them against damage during selective demolition operations.
1. Do not interrupt existing building systems serving occupied or operating facilities,
except when authorized in writing by Owner and authorities having jurisdiction.
Provide temporary services during interruptions, as acceptable to Owner and to
governing authorities.
2. Provide not less than 72 hours' notice to Owner if shutdown of service is required
during changeover.
B. Building Systems Requirements: Locate, identify, disconnect, and seal or cap off
indicated building infrastructure systems services serving building to be selectively
demolished.
1. Owner will arrange to shut off indicated building systems when requested by
Contractor.
2. Where building systems are required to be removed, relocated, or abandoned,
provide bypass connections to maintain continuity of service to other parts of the
building before proceeding with selective demolition.
3. Remove existing branch systems noted to be demolished back to the active main
remaining in service. Cap, valve, or plug and seal, or terminate the remaining
portion of pipe or conduit after bypassing.
3.3 PREPARATION
A. Disconnect all electrical systems in walls, floors, and ceilings scheduled for removal.
Verify that removal of systems will not impact adjacent areas that are to remain in use.
B. Maintain existing fire alarm system in operation until new system components and
devices have been installed and approved by local authorities having jurisdiction.
C. Maintain existing systems serving areas adjacent to area of demolition so as to not affect
Owner operations.
D. In the event that it becomes necessary to interrupt electrical systems serving areas
adjacent to demolition area, contractor shall notify owner not less than 72 hours prior to
shutdown.
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E. Provide temporary services during interruptions to existing utilities or building
infrastructure, as acceptable to Owner and to governing authorities.
F. Contractor shall inform Owner prior to bid of required upgrading of existing fire alarm
system to accept new work and provide line item bid for work.
3.4 DEMOLITION AND EXTENSION OF EXISTING ELECTRICAL WORK
A. Provide temporary lighting and GFI protected power, during demolition and remodel
phases of contract. Utilize existing to be relocated normal power, panelboard feeders for
temporary power panels.
B. Verify that removal of branch circuit conductor feeders will not disrupt services in
adjacent spaces prior to taking offline for removal. Coordinate any required shutdown
with Owner a minimum of 72 hours in advance of shutdown and do not proceed without
written acknowledgement from owner. Provide temporary services during shutdown per
Owner's direction.
C. Ensure complete removal of all abandoned conduit and conductors in area of demolition.
Remove abandoned conduit, except abandoned conduit above all ceiling finishes within
the demo area. Cut conduit flush with walls and floors indicated to remain, and patch
surfaces.
D. Remove abandoned wiring to junction box in ceiling and terminate in areas of partial
demolition. Tag and identify all circuits that are abandoned in panels that are to remain
that are in adjacent areas not specifically covered in these documents or scheduled for
demolition. Provide new temporary panel schedule for affected electrical panels
indicating all spare circuits.
E. Identify and tag all circuits that are fed from or to adjacent floors or spaces, indicating
from where they are fed or where they feed.
F. Repair adjacent construction and finishes damaged during demolition and extension
work.
G. Remove completely all abandoned Lighting in all areas of demolition. Identify capacity of
existing system feeders and all spare circuits in panels that are to remain.
H. Identify on record drawings the locations of existing panelboard feeders, locations of
panelboards in adjacent areas that serve demolition area, and circuits and or locations
served by equipment in the demolition area.
I. Provide written report to the Owner, Architect, and Engineer of Record detailing all
above required identification requirements.
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3.5 DEMOLITION AND EXTENSION OF EXISTING FIRE ALARM, AND
SECURITY SYTEMS
A. Do not interrupt existing building fire alarm system serving areas adjacent to demolition
area without Owners written approval. Maintain existing fire alarm system devices in
service and on floors where work is being done to include fire alarm pull stations at all
exit egress stairwells and corridors. Coordinate any interruptions in service with Owner
and Authorities Having Jurisdiction a minimum of 72 hours in advance of required
shutdown. All smoke detection will be covered during daytime working hours and
uncovered by completion of work shift.
B. Remove and or reuse abandoned fire alarm devices as instructed by Owner.
C. Coordinate with Owner to determine components of security system to salvage for there
use or use in the remodel phase of work..
D. Identify, tag, and preserve communications lines for fire alarm system circuits from this
floor to main fire alarm control panel.
E. Verify that removal of branch circuit conductor feeders will not disrupt services in
adjacent spaces prior to taking offline for removal.
F. Identify existing systems capacity to determine how many system devices can be installed
per system before panels will need to be upgraded.
G. Identify on record drawings all locations of existing fire alarm distribution points, control
panels, annuciators, and devices to remain in operation throughout construction.
H. Identify on record drawings the location of all security cameras removed and there model
#'s and note what type of cabling is used to interconnect camera system.
I. Provide written report to the Owner, Architect, and Engineer of Record detailing all
above required identification requirements.
3.6 DEMOLITION AND EXTENSION OF EXISTING TELEPHONE, DATA AND
Central TV DISTRIBUTION SYTEMS
A. Do not interrupt existing phone, data or TV distribution systems serving areas adjacent to
demolition areas without Owners written approval. Coordinate all interruptions in service
with Owner a minimum of 72 hours in advance of required shutdown.
B. Identify and tag all telecommunications feeders feeding this floor for future use in
remodel phase of contract. Identify capacity and number of circuits available for use in
remodel phase of contract.
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C. Identify all telecommunication feeders that pass through demolition area that may or may
not require relocation during remodel phase of contract. Identify type and style of
distribution cable for coordination during remodel phase of project.
D. Identify all telecommunication lines that emanate from areas to be demolished that
provide communication to other adjoining floors or spaces.
E. Remove to junction box in ceiling and terminate all abandoned Data, and Telephone,
wiring in all areas of demolition.
F. Identify on record drawings all locations of existing telecommunications lines that have
been terminated but remain active and those that pass through, stop at, or start in areas of
demolition. Identify where trunk lines for TV Distribution systems pass through areas of
demolition and where TV distribution points are located for future reuse during remodel
phase of contract.
G. Provide written report to the Owner, Architect, and Engineer of Record detailing all
above required identification requirements.
END OF SECTION 16050
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SECTION 16060 - GROUNDING AND BONDING
PART 1 - GENERAL
1.1 SUMMARY
A. Section includes grounding and bonding systems and equipment.
1.2 ACTION SUBMITTALS
A. Product Data: For each type of product indicated.
PART 2 - PRODUCTS
2.1 MANUFACTURERS
A. Basis-of-Design Product: Subject to compliance with requirements, provide product indicated
on Drawings or comparable product by one of the following:
1. Burndy; Part of Hubbell Electrical Systems.
2. Dossert; AFL Telecommunications LLC.
3. ERICO International Corporation.
4. Fushi Copperweld Inc.
5. Galvan Industries, Inc.; Electrical Products Division, LLC.
6. Harger Lightning and Grounding.
7. ILSCO.
8. O-Z/Gedney; A Brand of the EGS Electrical Group.
9. Robbins Lightning, Inc.
10. Siemens Power Transmission & Distribution, Inc.
2.2 SYSTEM DESCRIPTION
A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by
a qualified testing agency, and marked for intended location and application.
B. Comply with UL 467 for grounding and bonding materials and equipment.
2.3 CONDUCTORS
A. Insulated Conductors: Copper wire or cable insulated for 600 V unless otherwise required by
applicable Code or authorities having jurisdiction.
B. Bare Copper Conductors:
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1. Solid Conductors: ASTM B 3.
2. Stranded Conductors: ASTM B 8.
3. Bonding Cable: 28 kcmil, 14 strands of No. 17 AWG conductor, 1/4 inch in diameter.
4. Bonding Conductor: No. 4 or No. 6 AWG, stranded conductor.
5. Bonding Jumper: Copper tape, braided conductors terminated with copper ferrules; 1-5/8
inches wide and 1/16 inch thick.
2.4 CONNECTORS
A. Listed and labeled by an NRTL acceptable to authorities having jurisdiction for applications in
which used and for specific types, sizes, and combinations of conductors and other items
connected.
B. Bolted Connectors for Conductors and Pipes: Copper or copper alloy.
PART 3 - EXECUTION
3.1 APPLICATIONS
A. Conductors: Install solid conductor for No. 8 AWG and smaller, and stranded conductors for
No. 6 AWG and larger unless otherwise indicated.
B. Conductor Terminations and Connections:
1. Pipe and Equipment Grounding Conductor Terminations: Bolted connectors.
3.2 EQUIPMENT GROUNDING
A. Install insulated equipment grounding conductors with all feeders and branch circuits.
B. Install insulated equipment grounding conductors with the following items, in addition to those
required by NFPA 70:
1. Feeders and branch circuits.
2. Lighting circuits.
3. Receptacle circuits.
3.3 INSTALLATION
A. Grounding Conductors: Route along shortest and straightest paths possible unless otherwise
indicated or required by Code. Avoid obstructing access or placing conductors where they may
be subjected to strain, impact, or damage.
B. Bonding Straps and Jumpers: Install in locations accessible for inspection and maintenance
except where routed through short lengths of conduit.
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