TABLE OF CONTENTS

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READ AND **REMOVE THIS PAGE** BEFORE PLACING

THE SPECIFICATION SECTION IN THE CONTRACT

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[DIVISION 17: SUPPLIES AND SERVICES]{.underline}

BUILDING DESIGN SPECIFICATION NO. 17101

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\* NOTICE TO DESIGNER!! \*

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\* 1. DO NOT USE DIVISION 1 thru 16 SPECIFICATIONS \*

\* WITH THIS SPECIFICATION. \*

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\* 2. Check with procurement personnel for \*

\* wording on the following: \*

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\* Section F - Work Progress \*

\* Section G - Project Inspection \*

\* Section H - Work Hours \*

\* Section J - Drawings \*

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USE: Design buildings, including calculations, drawings, specifications,
and cost estimates.

**NOTES TO SPECIFIER:**

A. Options within paragraphs are identified by enclosure in brackets;
blank spaces enclosed by brackets \[\_\_\_\_\_\] provide for information
to be inserted, as appropriate, to individual projects.

B. **TO AVOID CONFLICTING REQUIREMENTS AND COSTLY MISTAKES,** the
specifier must edit (delete, substitute or add to the text). The
remaining paragraphs must be renumbered.

C. DELETE FOR FINAL COPY: Notes to the Specifier, located between lines
of asterisks; all \[brackets\], [underlining]{.underline}, **boldface**,
and *italics*, within the paragraphs; and this page. (Open Reveal Codes
\[alt F3\] to do this accurately.)

D. [To Edit "(Footer B)":]{.underline} (Corel 8). **ENTIRE FOOTER SHOULD
BE BOLDED.** Click in the footer and delete the "Project Name (ftr B)"
text and replace it with the **Name of the Project (upper and lower
case)**. Replace date with current MM/YY (WITHOUT BRACKETS).

E. The Guide Specifications are intended to be continuously reviewed and
revised. User's technical comments are appreciated. Also, other related
or similar specification that are written "from scratch" that could
benefit others, or other questions

**DRAWING DATA REQUIRED:** Location and detail drawings as needed.

**REQUIRED SPEC MODIFICATIONS:**

[GENERAL NOTES]{.underline}

1\. Whenever entire articles, paragraphs or subparagraphs are not
applicable, the articles, paragraphs or subparagraphs should be deleted;
when necessary, reletter or renumber articles, paragraphs or
subparagraphs.

2\. THIS GUIDE IS NOT INTENDED AS A SUBSTITUTE FOR READING THE ENTIRE
SECTION.

**REVISIONS OF THIS SECTION:**

CSI format, editorial changes: 12/01

Metric:

Technical Update: 06/92

SECTION C

BUILDING DESIGN SPECIFICATION NO. 17101, Rev. 6-92

C.7.0 ELECTRICAL:

C.7.1 Scope : This subsection provides the objectives and criteria for
the design of \[service and distribution,\] \[lighting,\] \[telephone
and data transmission,\] \[public address,\] \[fire detection\] \[and\]
\[alarm systems\].

C.7.2 Economic Analysis : Cost comparisons are required to justify all
major design decisions and equipment selections. For example, justify
the choice of 480 volt over 208 volt distribution or vice versa;
fluorescent versus HID lighting; power poles versus flat cable
assemblies; energy efficient versus standard motors; and similar items.
See \[\_\_\_\_\_\_\_\_\_\_\].

C.7.3 Design Calculations : Load, demand, voltage drop, short circuit,
and motor starting calculations shall be prepared to substantiate the
design. For each feeder circuit, include demand load, short circuit
current, and voltage drop calculations. For motors larger than 10
horsepower, the motor starting calculations shall show each significant
motor inrush KVA requirement in comparison with electric system
limitations, and the resultant starting voltage drop at the associated
switchgear assembly which serves lighting feeders. The starting voltage
drop should not cause a voltage drop of more than two percent at the
switch gear.

C.7.4 Design Requirements : The following items shall be considered as
this design is undertaken.

C.7.4.1 Codes and Standards : Work shall be designed to comply with the
Codes and Standards cited in
\[\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\].

C.7.4.2 Construction Specifications : Shall be prepared according to the
standards cited in
\[\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\].

C.7.4.3 Construction Drawings : Shall be prepared according to the
standards cited in
\[\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.\]

C.7.4.4 Submittals : Shall be prepared and submitted according to the
requirements cited in
\[\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\].

C.7.4.5 Electrical Equipment Space : Shall be as follows:

a\. Location: Free-standing switchboards and motor control centers may
be located in rooms with other mechanical equipment, provided working
space as herein specified is allocated.

b\. Lighting: Normal room lighting and emergency lighting shall be
provided. The lighting outlets for electrical and mechanical equipment
rooms shall be located as required for proper equipment illumination
without regard to symmetry. The drawings of these areas shall contain a
note reading as follows: \"Conduit and fixture layout shall be altered
as required to suit the actual equipment.\"

c\. Switchboard Rooms: Rooms containing switchboards shall be provided
with two means of egress for personnel safety. Exit doors shall be
provided with panic-type hardware and shall open into spaces that are
accessible at all times. Exit doors shall not open directly into
stairways, toilets, gear rooms, or shop spaces that may be locked.

d\. Aisles: Dimensions for rooms housing metal-enclosed switchgear shall
be not less than the following:

1\. Front aisles shall be 48 inches wide.

2\. End and rear aisles shall be 36 inches wide.

3\. ab The above aisle widths shall be increases wherever necessary for
breaker removal.

e\. Ceiling: Heights shall be such that beams and other obstructions
will not interfere with movement of breaker removal equipment.

C.7.4.6 Service and Distribution : Determine the most cost effective
method of distributing power throughout the site while allowing a
maximum of 5% voltage dropage to the farthest device. As a minimum, the
electrical distribution system shall be designed according to the
National Electrical Code (NEC). The design shall include requirements
listed herein which may be more stringent than the NEC.

a\. Electrical Service: BLM will contract with
\[\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\] for electrical service. The
electrical service shall be designed according to
\[\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\] requirements for providing
service. The A/E Contractor shall communicate with
\[\_\_\_\_\_\_\_\_\_\_\_\_\_\] to determine what these requirements are
and shall prepare drawings and listings of connected loads, estimated
demand, motor sizes, and similar data for
\[\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\] review. Service equipment to
be furnished, or furnished and installed, by
\[\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\] shall be shown and identified on the
drawings and listed in the specifications. Each point at which material
furnished by the power company terminates, or is connected to material
furnished by the Construction Contractor, shall be clearly specified or
shown on the drawings.

b\. Service Conduits:

1\. Service feeders shall be installed in type 40 PVC, in concrete
encased run underground from the point of connection with the service
transformer to the room or vault in which the main disconnecting
equipment is located; vertical runs of service feeders shall be
installed in rigid steel conduits. A minimum of one spare conduit (same
size) shall be provided for each underground service.

c\. Service Disconnect Equipment: Service disconnecting devices
generally shall be either low-voltage power circuit breakers, fused
service entrance protectors, or molded case circuit breakers. Service
disconnects shall include provisions to prevent single phasing.

1\. Breakers: Power circuit breakers or equivalent equipment with ground
fault protection shall be used for secondary services that have ratings
in excess of 800 amperes.

2\. Ratings: Continuous current ratings of service disconnecting devices
shall be calculated on the same basis as the capacities of the feeders
they serve. Interrupting capacities of service disconnecting devices
shall not be less than the available fault currents calculated as
required by \[C.7.3.\]

d\. Switchboards and Distribution Panelboards: A totally enclosed,
deadfront low-voltage switchboard shall be provided for each building
that requires a secondary service rated more than 600 amperes. Secondary
service disconnecting devices and metering equipment shall be included
in the switchboard assemblies.

1\. Where the total load is less than 1200 amperes, switchboards may be
used only where limited space necessitates mounting against the wall.
Switchboards with individual circuit breaker line and load side bus
connections should be used where the total load exceeds 2000 amperes but
does not exceed 3000 amperes. Low-voltage, metal-enclosed, switchgear
assemblies with low-voltage power circuit breakers shall be used where
the total load exceeds 3000 amperes.

2\. Molded case circuit breakers with fixed mountings may be used in
switchboards wherever the required trip ratings are not over 1200
amperes and their interrupting capacities, with or without
current-limiting devices, are adequate. Where trip ratings above 1200
amperes are required, air frame circuit breakers shall be used.

3\. Fused switches with fixed mounting may be used in switchboards.
Fused switches rated 600 amperes or less shall be coordinated devices of
the quick-make and quick-break type. Fused switches rated more than 600
amperes shall be coordinated devices that are equivalent to the service
entrance protectors.

4\. A main distribution panelboard shall be provided for each secondary
service disconnect rated 200 to 600 amperes. Distribution-type
panelboards shall be equipped with either automatic circuit breakers or
fused switches of the quick-make and quick-break type.

5\. Switchboards and distribution panelboards equipped with circuit
breakers shall be provided with not less than one spare circuit breaker
and two spaces (completely equipped compartment without breakers) for
future loads with ratings shown on the drawings. Similar spares and
spaces shall be provided for switchboards equipped with fused switches.
Where definite loads are anticipated in the near future, spare units of
specific capacities shall be provided in addition to the above.

6\. Interrupting capacities of distribution devices shall be not less
than the available fault currents calculated as required by
\[\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\].

7\. Wherever possible, switchgear assemblies shall be arranged so that
additional vertical sections may be installed.

e\. Branch Circuit Panelboards: Shall be Type I, Class 1 (load centers
shall not be used) according to Federal Specification W-P-115.

1\. Generally, lighting and appliance branch circuit panelboards shall
be equipped with automatic circuit breakers of the bolt-on type with a
10,000 ampere minimum interrupting capacity.

2\. Panelboards served by a feeder having overcurrent protection of 200
amperes or less may omit the main protective device provided the ratings
of the associated buses equal or exceed the ratings of the feeder
protective device. Panelboards served by feeders having overcurrent
protection greater than 200 amperes shall be provided with main
overcurrent protective devices.

3\. Panelboards generally shall be arranged so that each will contain
from 30 to 42 branch circuits, including spares and spaces. The number
of spare overcurrent devices and spaces for future overcurrent devices
shall be not less than 10 percent and 15 percent respectively, of the
number of active circuits.

4\. Overcurrent devices for general purpose circuits shall have
20-ampere ratings except where higher ratings are required for specific
equipment. The devices for motor circuits shall have the highest ratings
permitted by the NEC for the associated motors and starters.

f\. Power Conditioning/Distribution Units: Shall be provided for the
main computers and associated peripherals. Each circuit shall feed only
one single-phase or three-phase load through a liquid-tight flexible
conduit system with appropriate receptacles or other connection at the
load end.

g\. Emergency Panelboards: Shall be provided to supply, through
independent circuits (without common neutral), all exit lights, corridor
night lights, emergency lights, fire alarm system, communication
systems, fire pumps, and other emergency loads.

h\. Safety Disconnect Switches: Shall be horsepower rated, NEMA type HD
as defined in NEMA KS-1. Current carrying parts shall be copper and
shall be capable of carrying rated current. Enclosures shall generally
be NEMA 1 for indoor locations and NEMA 3R for outdoor or wet locations.
Operating handle shall be padlockable in the \"off\" position. Door
shall be interlocked with switch mechanism and shall include a concealed
interlock defeat mechanism.

i\. Motor Control Centers: Wherever 5 or more motors are located in
close proximity, motor control centers shall be provided in lieu of
separately mounted motor starters.

j\. Grounding Bus: All switchboards, panelboards, and motor control
centers shall be equipped with an uninsulated, copper equipment
grounding bus.

k\. Circuit Raceways and Conduits: Shall be as follows:

1\. Except where otherwise indicated, branch circuit and feeder conduits
exposed to weather or damage shall be rigid galvanized steel or
intermediate metal conduit with threaded ends. Associated outlet,
junction, and pull boxes shall be weatherproof.

2\. Except where otherwise indicated, branch circuit and feeder conduits
not exposed to weather may be EMT. Associated fittings shall be
compression type; connectors shall have insulated throats.

3\. Flexible conduit shall be used where vibration, movement, or noise
transmission may be a problem, or other locations deemed necessary by
the designer. Flexible conduit exposed to weather, spray, dripping or
seeping water, oil, or grease shall be liquid-tight.

4\. Minimum conduit size shall be 1/2 inch trade size.

l\. Feeders: Shall be as follows:

1\. All feeders and all branch circuits supplied from a three-pole
protective device shall include a green insulated equipment grounding
conductor size in accordance with NEC Table 250-95.

2\. The load on each feeder serving a lighting and appliance branch
circuit panelboard shall be calculated as required by Article 220 of the
NEC and shall include a load allowance for spares and spaces based on
the average active circuit load. The feeder size shall be based on the
foregoing total load, with a voltage drop not exceeding three percent.
If 50 percent or more of the lighting load consists of electrical
discharge lighting, a derating factor shall be applied and the neutral
shall be full size to accommodate harmonic frequencies.

3\. Power feeders shall be sized according to the NEC.

4\. The capacities of combined lighting and appliance, and power feeders
shall be equal to the sum of the capacities determined separately as
required by (2) and (3) above. The voltage drop for the combined load
shall not exceed the percentage indicated for the lighting and appliance
feeders.

m\. Grounding: Unless more stringent requirements are listed elsewhere,
service, feeder and equipment grounding shall conform with NEC.

C.7.4.7 Lighting : The lighting system must be designed to maximize
efficiency in the use of energy and flexibility in the use of space.
Conversely, it must minimize the need for maintenance and the variety of
lamps to be stocked. In offices and similar spaces, the lighting load
shall not exceed \[2.3\] watts per square foot average. Energy saving
ballasts and lamps shall be specified over standard types.

a\. Unless more restrictive requirements are listed herein, layout and
illumination levels shall conform to the latest edition of the Lighting
Handbook, published by the Illuminating Engineering Society.

b\. Luminaries shown on the drawing must be assigned an identifying
letter to correspond with identifying letters and complete descriptions
in the specifications. The description must be written in a manner that
will permit competitive bidding and not be restricted to any one
particular manufacturer. Additional details or sketches must be provided
on the project drawings as may be necessary to accurately convey the
contract requirements if the fixtures cannot be adequately described in
the specifications alone.

c\. Generally, luminaries shall be equipped with shielding necessary to
reduce glare and to keep veiling reflections to a minimum.

d\. Label certification services and their labels, such as \"RLM\",
\"CBM\", shall not be made a contract requirement; however, their
requirements may be used if compliance can be determined and certified
by any independent testing laboratory. Material for which UL Standard
exist shall conform to those standards.

e\. Luminaries shall be located symmetrically about each room axis,
except in equipment rooms and other areas where conditions warrant they
shall be located as required for proper task illumination.

f\. A high grade of commercially available accessories shall be required
in lighting fixtures and lighting equipment. For example, if plastic
panels or lenses are required, they shall be specified to 100 percent
virgin acrylic, 1/8 inch thick minimum; similar materials shall not be
used.

g\. Luminaries for exterior use must be designed to withstand prevailing
weather conditions and other conditions that may exist in the locality.
When selecting fluorescent or H.I.D. equipment for exterior use, the
effects of humidity and low temperature on starting or operating
characteristics of the various lamps must be considered.

h\. Design life (50 years) and maintenance shall be considered in
selecting quality of luminaries and accessories.

i\. Special lamp bulbs and specialty accessories shall be avoided unless
the requirements of the particular project dictate their use and
satisfactory results cannot be obtained from the use of standard,
conventional equipment or light source that would normally be used.

j\. Luminaries designed to prevent radio interference shall be used in
locations where radio interference cannot be tolerated.

k\. Special attention must be given to the method of mounting luminaries
in buildings located in this seismic zone. Generally, luminaries should
be recessed or surface-mounted and secured to the ceiling construction.
Louver assemblies, lenses and other components should be required to be
sufficiently secured to prevent shaking out of place. The conventional
lay-in type of fluorescent troffer or lay-in type of fluorescent troffer
or lay-in type of louvered or luminous panels should not be used unless
additional means of anchoring are provided.

l\. The problems of maintenance must be carefully considered when
planning the lighting system. Convenient and safe means must be provided
for relamping, cleaning, and maintenance of replaceable accessories.
Special consideration should be given to luminaries mounted high or in
locations that would make the normal methods of servicing hazardous or
difficult. The estimated cost of maintenance should be considered when
determining the best method.

m\. Lighting shall be provided for parking areas, walkways, building
entrances, and at the main building entrance, at the site identification
signs at the entrances to the site, and at the building identification
sign at the main entrance. Parking areas shall be illuminated to provide
approximately 1 footcandle of maintained illumination. Generally,
standards for exterior lighting shall be located behind curbs and other
places safe from vehicle damage. Where standards are exposed to damage,
they shall be installed on raised concrete bases or otherwise protected.
Select luminaire design and location to prevent objectionable glare to
adjacent \[residents\] \[areas\]. Site lighting shall be controlled by
\[photoswitches in series with clock switches\] \[thermostatic control
when the outside temperature is at or below minus 20 degrees F\].

n\. Additional Lighting: Shall be as follows:

1\. Emergency lighting shall be provided in addition to normal room
lighting. Emergency lighting may be an integral part of normal room
luminaries.

2\. Night lighting shall be provided for corridors, foyers, stairwells,
and other areas deemed necessary.

3\. Exit lighting shall be provided in accordance with UBC.

4\. Security lighting shall be provided in and around all buildings and
in parking areas and shall include lighting leading to the NOAA
Building. Security lighting shall be controlled only by photocells.

5\. Security lighting, night lighting, and exit lighting shall be on
separate circuits, connected to emergency panelboards.

C.7.4.8 Special Requirements : Shall be as follows:

a\. Normal power and telephone/data outlets required as well as special
outlets and their associated circuits shall be shown on the drawings.
The A/E Contractor shall consult with the Project Inspector for approval
of the layout and the number, type, and location of special outlets
required.

b\. In general, provide a grid system which will allow power, telephone
and data communication outlets to occur nominally, one for every 100 sq.
ft. of open office space. In addition, the Coordination Center will have
interior work stations that shall have individual power, data, and
communications outlets. Private offices shall have at least [one of each
outlet]{.underline} per wall. The voice and data outlets may be combined
in a single cable conduit and wall box if a suitable cable is available.
Provide for the construction contractor to pull cable into one of the
three wall conduits and to provide a coil of cable 14 ft in extra length
above the ceiling for relocation.

c\. The projection booth or booths for the briefing room/studio and for
the multi-purpose room shall include adequate outlets and circuits to
accommodate audio and video equipment normally associated with this type
of room. The projection booth shall also include extra switching for
room lights and motorized projection screen controls and similar
services.

d\. Luminaries, light sources, illumination intensities, and lighting
effects shall be selected to \[offset the depressing effects of Arctic
darkness as well as to\] meet visual requirements. Toilet room
luminaries shall be vandal resistant.

e\. In addition to the regular power and telephone outlets, outlets for
the following types of special equipment are required at various
locations throughout the building.

1\. Electrostatic copying machines (reproduction rooms)

2\. Teletypewriter

3\. Radio transmitters/receivers (including antennae cables)

4\. Desk-top computers

5\. Laboratory equipment

6\. De-Gaussers (in the tape library)

7\. Tape cleaning equipment (in tape library)

8\. Word processing and EFP terminals

9\. Pay telephones

10\. Work benches

11\. Sewing machines

12\. Provide one 120-V clock outlet to be located in a suitable place.

f\. Floor and firewall penetrations shall be sealed according to NEC
Section 300-21 (use an approved, fire-rated, waterproof, and smoke-proof
penetration system).

g\. Security for the main computer room shall be provided by electronic
card access.

h\. Provide an empty conduit to the site entrances, sized to accommodate
entrance sign lighting and sliding gate operators.

i\. Provide pull ropes in all empty conduits.

j\. In order to facilitate accurate placement of all outlets, the
Contractor shall prepare an equipment layout for all floors. Normal
power and telephone-data outlets required as well as special outlets and
their associated circuits shall be shown on these drawings. The
Contractor shall consult with Project Inspector for approval of the desk
and equipment layout and the number, type, and location of special
outlets required.

k\. Provide the following outside weather proof convenience outlets:

\(1\) On the south side at 50\' oc.

\(2\) On the south side provide special voltage outlets as required.
Coordinate with the CO.

\(3\) Near lawn areas provide three.

\(4\) All other outside walls\--two each.

C.7.4.9 Special Systems : Shall be as follows:

a\. Lightning Protection: Metal stacks shall be grounded in all cases.
Complete lightning protection shall be provided for those buildings that
are built in localities where other buildings of similar size and type
are customarily so protected.

b\. Automobile Engine Heating: Shall be as follows:

1\. Approximately \[20\] close-in automobile parking slots in parking
areas shall each be equipped with 20 ampere, duplex receptacle, in
weatherproof enclosure, post-mounted 36 inches above grade, easily
accessible to the car front for connecting engine heating equipment.
Provide thermostatic control to shut off system when outside temperature
is at or above 20 degrees F.

2\. Two adjacent parking slots may be served by duplex receptacles
mounted on a single post between the two slots.

3\. Each receptacle shall have individual, 20 ampere ground fault
interrupter overcurrent protection.

C.7.4.10 Communications : Shall be as follows:

a\. Telephone System: Shall be as follows:

1\. Design outlet box and raceway systems and equipment closets for both
telephone and data communication; include one wired telephone outlet per
work station with cable pig-tailed in equipment closets. Cable specified
shall meet most current technology, shall include 100% spare capacity,
and may include data communication wires if electrical interference can
be avoided.

2\. The A/E Contractor shall consult with the local BLM office to verify
the number and location of telephone/data communication outlets, the
requirements for service, and existing utilidor information. BLM will
also furnish the requirements for the transmission of communications and
data between this and other BLM facilities for sizing duct banks.

3\. The telephone system and data communication system may use the same
outlet and conduit riser (to the ceiling space), but shall use separate
conduit homeruns. In rooms with lay-in ceilings, the distribution may be
run in common conduit risers from the outlet to the space above the
ceiling and in common cable tray or wireway above the ceiling to the
terminal boards.

4\. Not more than three telephone-data outlets shall be served by any
conduit homerun from telephone room or terminal cabinet. The minimum
conduit size shall be \[1-1/4 inch\] to the first of three outlets; \[1
inch\] to the second of three outlets, and \[3/4 inch\] to the third
outlet. In rooms with lay-in ceilings, the distribution may be run in
conduit risers from the outlet to the space above the ceiling and
without conduit above the ceiling to the terminal boards. However, metal
raceway must be used in air handling plenums.

5\. Telephone equipment shall be located in dust free space where
temperatures will not exceed 90 degrees. See \[\_\_\_\_\_\_\] for a
description of the communications equipment room. Provide a supplemental
ground for the communications equipment room.

6\. Communications outlets shall be provided in the Coordination Center
viewing area and briefing room/studio to allow inter-connection of video
cameras, receivers, and other media devices without resorting to use of
long connecting cables in building hallways. These rooms shall also
contain communication outlets with cables connected to an outlet in the
parking area (at a location reserved for a media van) and as required to
the antenna farm/satellite dish area. These outlets shall be located
where equipment is most likely to be set up.

7\. Rooms of 100 square feet or larger shall have at least one telephone
and one data outlet since future use may be expected to change.
Mechanical rooms shall include a telephone outlet, but no data
communication outlet.

8\. If the communications equipment room is not located adjacent to the
computer room, provide a raceway (two 4-inch conduits, minimum) between
the rooms.

9\. Provide a raceway (including spare) for future fiber-optic cable
from the utilidor to the communications equipment room and from floor to
floor through the communications equipment closets.

11\. The telephone system conduits shall be connected to the telephone
system existing
\[\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_.\]

12\. The Contracting Officer will furnish the requirements for the
transmission of communications and data between this and other BLM
facilities.

b\. Public Address System: Shall be as follows:

1\. General: Provide a system which allows paging by agency.

2\. Speakers: Shall be provided to reach personnel at all work stations
including exterior locations \[including the dining area\] and shall be
operated through the telephone system.

3\. Wiring: In spaces with suspended ceilings not utilized as HVAC air
plenums, wiring to the speakers may be open wiring above the ceiling.
Wiring to all other speakers shall be in conduit. Provide one conduit
for speaker wiring from public address system control unit to the
central telephone equipment room.

c\. Sound System: Provide separate sound systems for the multi-purpose
room and briefing room/studio. Each system shall include amplifiers,
speakers, and microphone inputs. Amplifiers and controls shall be
located in the projection room, where possible.

d\. Fire Alarm and Monitoring System: Design a fire alarm system
according to NFPA and the following:

1\. The fire alarm system shall include an audible (siren rated 100 dB,
minimum, at 10 ft., all directions) and a visual (rotating beacon)
indicator, both located on the roof, in addition to required inside
alarms.

2\. The fire alarm system shall also include an independent system for
the main computer room, set up as a two-zone (cross-zoned or priority
matrix) system, and shall include detectors above the ceiling, at the
ceiling, and below the raised floor. The first alarm in the computer
room shall sound the primary exterior alarm through the building system
and shall sound locally (within the computer room); the second alarm
shall shut down computer and air conditioner power, close dampers (if
any), and shall sound a second alarm locally.

3\. A graphic annunciator panel shall be included with a readout
arrangement which will permit the observer to determine the status
(alarm or trouble) of each zone. The annunciator shall be located in the
main lobby.

4\. The monitoring system shall include a main computer room high
temperature alarm and an alarm for water under the computer room floor.
The high temperature and water alarms shall have audible and visual
indicators at the computer operators console and at the fire alarm
annunciator panel in the main lobby.

5\. The designer of the fire alarm and monitoring system shall have
specialized experience in the design of alarm systems. The design of
these systems shall be coordinated with the mechanical design to assure
proper location and installation of any detectors required in the
mechanical system.

6\. A siren on the building roof to announce BLM fire calls shall be
included in the project. Siren shall be clearly audible at a distance of
100 yards and shall be controlled from the dispatch office. The
principal directions of alarm shall be to the \[south\] and the
\[west\].

e\. Freeze and Equipment Alarm System: Shall be as follows:

1\. A surveillance system to monitor conditions in the building shall be
included in the project. It shall be selected to be compatible with the
existing base-monitoring system.

2\. The annunciator console shall include a readout arrangement which
will permit the observer to call for condition readings at any of the
monitor stations on both random and sequential bases.

3\. The system shall give visual and audible alarm for: building low
temperature; glycol solution low flow or high temperature; and failure
of any equipment essential to the safety of building and occupants.

4\. All alarm functions shall be annunciated at the console and reported
automatically to the
\[\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\]. The A/E
Contractor shall consult with \[\_\_\_\_\_\_\_\_\_\_\_\_\] to determine
the reporting requirements. Coordinate with the Project Inspector.

5\. The designer of the equipment and freeze alarm system shall have
specialized experience in the design of alarm systems. The design of
these systems shall be coordinated with the mechanical design to assure
proper location and installation of any detectors required in the
mechanical system.

f\. Emergency Power Systems: The emergency power system design shall
assure uninterrupted power to selected equipment during a power outage
and shall include an uninterruptible power supply (UPS) system with 15
minute battery back-up and an emergency generator system with automatic
start-up. The UPS, the UPS batteries (if not gel type), and the
engine-generator shall each be located in separate rooms; the battery
room shall include an eyewash and a \"panic button\" with local horn to
be used in case of emergency. If gel cell batteries are specified, the
separate room, eyewash, and \"panic button\" are not necessary.

1\. The UPS shall supply computer equipment in the main computer room,
telephone/data communications equipment, and selected equipment in the
\[\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\] (particularly electronic equipment)
until the engine-generator comes on-line. A static type system is
preferred unless another type can be shown to be more suitable.

2\. The engine-generator shall serve main computer room and
\[\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\] area equipment (including UPS
loads, lighting, and air conditioning) and other emergency loads as
deemed necessary. The engine-generator shall operate on diesel fuel and
shall include a day tank near the unit and an outside storage tank. The
unit shall also include an automatic transfer switch, an engine heater
(if room is not heated), and a control panel with critical function
display.

END OF SUBSECTION C.7.0

ELECTRICAL