A.
Work included.
(1)
The work of this article includes, but is not limited to the installation
of conduits, poles, controls, lighting fixtures, lamps and wire necessary
for a complete and functioning streetlighting system.
(3)
Definitions: none.
(4)
Applicable Standard Details: DT 16500-1, Street Lighting Installation
Details.
B.
Quality assurance.
(1)
Reference standards.
(a)
ANSI, American National Standard Institute.
(b)
ASTM, American Society for Testing and Materials.
(c)
NEMA, National Electrical Manufacturers Association.
(d)
NECS, National Electrical Safety Code.
(e)
NFPA, National Fire Protection Association.
(f)
UL, Underwriters' Laboratories, Inc.
(g)
IESNA, Illuminating Engineering Society of North America.
(h)
IEEE, Institute of Electrical and Electronics Engineers.
(i)
IPCEA, Insulated Power Cable Engineers Association.
(j)
OSHA, Occupational Safety and Health Administration.
(k)
NEC, National Electrical Code.
(2)
Inspections. Upon completion of work, the customer/developer shall
secure an electrical inspection from an electrical inspection agency
acceptable to the authority having jurisdiction and the local electric
company.
(3)
Testing:
(a)
All electrical conductors, after installation of wiring and
apparatus has been completed, shall be tested by this contractor to
insure continuity, proper splicing, freedom from ground (except made
ground and those required for protection) and insulation resistance
in accordance with Underwriters' requirements. This contractor
shall furnish and employ suitable instruments such as ammeters, volt
meters, meggars, etc. Preliminary testing with magnetos will be permitted
but will not be accepted as a final or conclusive test.
(b)
Prior to testing or adjusting, this contractor shall consult
with the municipality to determine the intended function of any equipment,
wiring or systems. This contractor shall then perform such tests and
make the necessary adjustments to ensure that the required function
is obtained.
(c)
Equipment and wiring systems not specified as requiring a specific
test shall be tested in operation to determine that all design functions
are satisfactorily performed.
C.
Submittals.
(1)
Submit (in triplicate) the certificate of compliance following electrical
inspection.
(2)
Voltage drop calculations, prepared by a professional engineer licensed
in Pennsylvania.
(3)
Photometric data for lighting fixtures and point-by-point maintained
footcandle printout that includes maximum maintained footcandles,
minimum maintained footcandles, average maintained footcandles, maximum:
minimum ratio, average: minimum ratio.
(4)
Efficiency and candle power distribution curve for each type of lighting
fixture.
(5)
Catalog cuts and dimensional data for poles and lighting fixtures
proposed.
(6)
Concrete base design.
D.
Job conditions.
(1)
Codes and standards.
(a)
All electrical work shall meet the requirements of the National
Electric Code of the National Fire Protection Association. In addition,
any state, municipal or other authorities laws, rules or regulations
applicable to the work shall be followed.
(b)
Where applicable, all materials and equipment shall bear the
label of approval of the Underwriters Laboratory, Inc.
(c)
Photometric performance of the installed lighting system shall
be within guidelines established by the Illuminating Society of North
America.
(d)
Reference to the codes and standards listed herein shall constitute
the minimum acceptable requirements. Where drawings and specification
requirements exceed those of the codes listed herein, the contractor
shall follow the drawings and specifications.
E.
Coordination and development of streetlighting.
(1)
The electric company's streetlighting service is only available
to the municipality. The developer shall coordinate streetlighting
requests with the Borough and all streetlighting shall conform to
the municipality's and electric company's streetlighting
specifications.
(2)
The customer/developer shall provide the electric company with a
preliminary plan showing proposed locations of streetlight standards.
The electric company does not design or approve the design of streetlighting
systems.
(3)
The electric company returns plan showing the available source(s)
for the streetlight feed(s) and, if not previously provided, this
document which lists material requirements.
(4)
The customer/developer shall provide streetlight luminaire(s) which
is equipped to operate with the material, as specified herein and
as approved by the electric company.
(5)
Requirements.
(a)
Streetlights shall be spaced at regular intervals as necessary
to conform to the performance criteria. Minor adjustments to spacing
may be made to accommodate lot lines, driveways, etc.
(b)
The customer/developer shall provide the electric company with
a final plan showing the location of the facilities (streetlights,
service equipment, conduit and cable routing, etc.) and size and type
of cables and fusing.
(c)
Prior to excavating, the contractor shall call the PA one-call
system.
(d)
The customer/developer shall install facilities in accordance
with requirements of the electric company, the municipality, the manufacturer,
the National Electric Code, and the final plan. The customer/developer
is required to provide and/or install:
[1]
All trenching and backfilling, including service cable from
source to junction box.
[2]
All cable, conduit, foundations, standards, luminaires, lamps,
and photoelectric controls as per developer agreement with the municipality.
[3]
Service equipment at each source location designated by the
electric company to facilitate streetlighting cable connections.
(e)
The customer/developer shall secure an electrical inspection
from the electric-company-accepted electrical inspection agency before
the electric company will energize.
(f)
Upon receipt of a streetlighting agreement from the municipality
and the electrical inspection certificate, the electric company will:
(g)
Note that a contract for energy and maintenance of fixtures
with the municipality and the electric company is required prior to
the electric company energizing the streetlighting system.
F.
Calculations.
(1)
Voltage drop shall be calculated to ensure voltage drop will not
exceed the requirements of the National Electrical Code.
(2)
Point-by-point footcandle calculations shall be performed to verify
that the lighting system photometric performance conforms to the IESNA
recommendations, as adopted by the municipality.
A.
Lamps: high-pressure sodium meeting the following requirements:
|
Lamp Watts:
|
100W
|
150W
|
250W
| |
|
Ballast Code:
|
S54
|
S55
|
S50
| |
|
Lamp Volts:
|
55V
|
55V
|
100V
| |
|
Light Center Length:
|
5 inches
|
5 inches
|
5 inches
| |
|
Burning Position:
|
Any
|
Any
|
Any
| |
|
Base Type:
|
Mogul
|
Mogul
|
Mogul
|
B.
C.
Poles.
(1)
Streetlight pole.
(a)
All poles shall have a hand hole near base of pole.
(b)
All anchor bolt nuts shall be covered, either by metal pole
base cover furnished with pole or by nut covers furnished by pole
manufacturer.
(c)
Lighting standards shall have each luminaire separately ballasted.
Each ballast shall be separately fused with all fuses located near
the hand hole of the pole base, where easily accessible.
(d)
Weep holes shall be provided in the base of the pole shaft to
prevent any accumulations of water.
(e)
The pole shall contain a hand hole sufficiently large to allow
inspection of splices, ground connection, and fuses, and ability to
repull circuitry between poles. A ground pad shall be welded inside,
ground smooth and tapped to receive a 1/4-20 thread, for lugged connection
to ground rod.
(f)
Pole finish shall be polyester powder coat paint and the color
shall be as approved by the municipality and/or the electric company.
(g)
Pole shall be 12 feet high above finish grade, including base.
(h)
Manufacturer: as approved.
D.
Fuse and fuse holder. Fuse and fuse holder for the fuse disconnect
in the customer's junction box shall be per the electric company's
requirements, fuse size as required.
E.
Lighting fixtures.
(1)
Streetlight fixture.
(a)
Volts: 120V.
(b)
Mounting: post-top.
(c)
Type: high-pressure sodium.
(d)
Description: die-cast aluminum housing, fully enclosed and gasketed.
UL listed suitable for wet locations. Impact- and heat-resistant glass
lens. NEMA Type III distribution.
(e)
On projects that GPU Energy will maintain lighting fixtures
after installation, fixtures shall conform to GPU Energy's requirements.
(f)
Manufacturer: as approved (same as pole manufacturer).
F.
Structural requirements.
(1)
All poles, concrete bases and fixtures shall be installed as an integral
unit to withstand 100 mph winds and 120 mph gusts.
(2)
All pole embedded depths and/or concrete bases shall be shown on
the drawings, shall be designed by and the design drawings sealed
by a professional engineer, licensed in Pennsylvania, taking into
account soil conditions at the location of the pole.
(3)
All dimensions of the pole, base plate, material type and thickness
and welding information shall appear on the shop drawings along with
wind loading for pole and lighting fixtures.
G.
Photo electric control. Photo electric controls must be suitable
for use with an EEI-NEMA standard twist lock receptacle, shall have
a maximum load capability of 1,800 volt-amperes, shall be equipped
with suitable type surge protection, and have the following characteristics:
H.
Conduit.
(1)
Polyvinyl chloride (PVC): Schedule 40.
(2)
Extruded from virgin polyvinyl chloride compound.
(3)
Resistant to water, oil, outdoor aging, exposure to sunlight, underground
environments, and corrosive atmospheres.
(4)
Flame retardant for use above ground, resistant to low temperatures,
and resistant to distortion due to heat under conditions likely to
be encountered in intended service.
(5)
Sufficient strength to withstand abuse, such as impact and crushing
during handling, installation, and service. Ten-foot lengths with
one coupling furnished for each length.
(6)
Minimum size: one inch.
(7)
Each length shall be clearly and durably marked with the manufacturer's
name. Markings shall be permanent for PVC used above ground.
(8)
PVC conduit shall be UL listed.
(9)
Comply with applicable ASTM testing procedures and specifications.
I.
Wire.
(1)
All wire and cable shall conform to the following:
(a)
Copper shall not be less than 98% conductivity.
(b)
Single conductor, unless otherwise indicated.
(c)
Color coded.
(d)
Marked with classification type, conductor size, and voltage
rating, every foot, where applicable.
(e)
Minimum size: #12 AWG, unless otherwise specified.
(f)
Sizes #8 AWG and larger shall be stranded.
(g)
UL listed.
(2)
Wire specification No. 1.
(a)
Type THW insulation, UL listed.
(b)
Six-hundred-volt insulation.
(c)
Ampacity based upon maximum conductor temperature of 75°
C. in wet or dry locations, continuous operation.
(d)
Conform to ASTM B3 for solid conductors and ASTM B8 for stranded
conductor.
(e)
Annealed, uncoated copper conductor.
(f)
Flame retardant, moisture- and heat-resistant thermoplastic
(PVC) insulation.
(3)
Wire specification No. 2.
(a)
Type XHHW insulation, UL listed.
(b)
Six-hundred-volt insulation.
(c)
Ampacity based upon maximum conductor temperature of 90°
C. dry locations and 75° C. wet locations, continuous operation.
(d)
Moisture- and heat-resistant cross linked polyethylene (XLP)
insulation.
(e)
Conform to applicable NEMA and IPCEA requirements.
(f)
Conform to ASTM B3 for solid conductors and ASTM B8 for stranded
conductors.
(g)
Soft copper conductor.
(4)
Wire Specification No. 4.
(a)
Type THHN/THWN insulation, UL listed.
(b)
Six-hundred-volt insulation.
(c)
Ampacity based upon maximum conductor temperature of 90°
C. dry locations [THHNO and 75° C. dry and wet locations (THWN)],
continuous operation.
(d)
Flame-retardant, moisture- and heat-resistant thermoplastic
(PVC) insulation with nylon jacket.
(e)
Conform to applicable NEMA and IPCEA requirements.
(f)
Conform to ASTM B3 for solid conductors and ASTM B8 for stranded
conductors.
(g)
Soft copper conductor.
J.
Connectors.
(5)
Connector specification No. 5: lug connector.
(6)
Connector specification No. 6: lug connector.
(a)
For insulated wire, 600 volt and under, #10 AWG and smaller.
(b)
Compression or crimp type.
(c)
Standard barrel, insulated for 600 volts.
(d)
Ring terminal or flanged or flared block spade terminal.
(e)
Copper.
(f)
UL listed.
(g)
Manufacturer: Penn-Union Penn Crimp.
(h)
Substitutions: Ideal Crimp Terminal, Thomas & Betts Sta-Kon,
Burndy Insulug, MAC MiniDent, 3M Scotchlok Terminals.
(7)
Connector application. Unless otherwise noted, connectors shall be
used for insulated wire, 600 volts and under as follows:
|
Connector Schedule
| |||
|---|---|---|---|
|
Application
|
Connector Spec. No.
| ||
|
Splice Connectors:
| |||
|
#8 AWG and smaller
|
1
| ||
|
#6 AWG and larger
|
2 or 3
| ||
|
Lug connectors:
| |||
|
Stranded wire connection under head of binding screw or bolt
|
4 or 6
| ||
|
Connection to equipment bus, or screw or bolt terminals
|
4, 5, 6, or manufacturer supplied lugs
| ||
M.
Ground rods.
(1)
Type: high-strength steel core.
(2)
Construction: copper exterior welded to the steel core.
(3)
Chamfered top to prevent mushrooming. Pointed end.
(5)
For lengths over 10 feet, sectional rods with steel driving bolt
may be furnished.
(6)
Manufacturer: Copperweld.
(7)
Substitutions: Penn-Union, Weaver.
A.
Raceway installation. PVC conduit shall be installed as follows:
(1)
Expansion joints shall be installed where expansion and contraction
of PVC occurs due to changing temperature conditions.
(2)
Joints in PVC conduit runs shall be in accordance with manufacturer's
recommendations.
(3)
PVC conduit shall not be used where subject to ambient temperature
exceeding those in which conduit has been approved.
(4)
Fittings as specified under raceway specification No. 4 shall be
used when installing PVC conduit.
(5)
Install ground wire, sized per NEC in all PVC conduit runs.
(6)
Underground raceways or duct banks shall have a marker or warning
tape installed above raceway, 12 inches below finished grade. Use
tape specification No. 2. Duct banks with widths over 12 inches shall
have six-inch wide tape runs installed side-by-side on twelve-inch
(maximum) centers.
B.
Wiring methods.
(1)
Wiring shall be installed in raceways unless otherwise noted.
(2)
Use color-coded wire throughout as required by the National Electric
Code for convenience in testing and maintenance. Neutral conductors
shall be color-coded neutral gray or white; grounding conductors shall
be green.
(3)
Pull wire into conduit so that insulation will not be damaged. Approved
pulling compound shall be used to assist in pulling of six-hundred-volt
wire into conduit. Oil or grease will not be permitted. Pulling compound
shall be compatible with wire insulation and conduit.
(4)
Conductors shall be installed continuous from outlet to outlet, without
splicing except within outlet or junction boxes.
(5)
Noninsulated splices in insulated wire, 600 volts and under shall
be factory insulated as follows:
(6)
Stranded wire shall not be placed under the head of a binding screw or bolt. Refer to § 97-94, this article, for connectors to be used in stranded wire connections under head of binding screw or bolt.
(7)
Wire shall be identified by use of wire markers at termination points,
including outlet boxes, pull boxes, junction boxes, wireways and at
locations where wire changes direction within an enclosure. Unless
otherwise specified, wire markers shall be as specified under wire
marker specification No. 2.
D.
Grounding.
(1)
Equipment grounding.
(a)
Unless otherwise specified, conductive noncurrent carrying electrical
materials and equipment shall be grounded. Nonelectrical items of
equipment shall be grounded as indicated on drawings. Grounding shall
be in accordance with National Electrical Code requirements.
(b)
Grounding shall be separate insulated grounding conductors pulled
with phase conductors. The grounding system shall be electrically
and mechanically continuous from all outlet devices, power utilization
equipment, and distribution equipment to system main ground point.
(c)
Bonds and jumpers shall be furnished and installed where required
during construction and where necessary to ensure both operation and
safety.
(d)
Service ground point shall be ground rods near the customer's
junction box.
(e)
Neutral conductors shall be continuous throughout the system
and shall be grounded only at switchboard neutral.
(f)
Ground wire shall be installed in all PVC raceway runs. Ground
wires shall be insulated.
(2)
Grounding tests.
(a)
Ground resistance of main system grounding point shall be inspected
and shall not exceed values required by the National Electrical Code.
Inspection shall be made using two auxiliary ground rod (three point)
method or other approved method. If resistance is found to be higher
than that allowed by the National Electric Code, additional ground
rods shall be driven until a resistance below allowed value is obtained.
(b)
Outside inspections shall not be performed during unusually
wet conditions. Cheek shall be made during dry weather conditions.
(c)
Complete inspection record shall be submitted to the municipality
showing resistance values and calculations and shall indicate method
of test.
