th=100% bgcolor=ccccff> « back to results for ""
Below is a cache of http://www.townofwindsorct.com/engineering/documents/455StreetLightingSystems.pdf. It's a snapshot of the page taken as our search engine crawled the Web.
The web site itself may have changed. You can check the current page or check for previous versions at the Internet Archive. Yahoo! is not affiliated with the authors of this page or responsible for its content.
Rev. 2006 TECHNICAL SPECIFICATION 455 STREET LIGHTING SYSTEMS TECHNICAL SPECIFICATION 455
STREET LIGHTING SYSTEMS

Rev. 2006

TECHNICAL SPECIFICATION 455
STREET LIGHTING SYSTEMS

455.1 SCOPE OF WORK

This technical specification covers the furnishing of all labor, materials, tools, testing, and
equipment necessary to install light distribution fixtures, poles, metered controller, concrete
bases, wiring, and conduit of the type herein identified, complete and in place at the locations
and to the dimensions and details shown on the plans or as directed by the Engineer. This work
includes miscellaneous items necessary for a complete installation including excavation,
backfilling, warning tapes, site restoration, etc. It also includes the coordination and costs
associated with public utility work. This technical specification covers both decorative and
commercial lighting systems. It is the intention of the Town to have consistency among the
types of fixtures maintained by the community.

455.2 MATERIALS

A. Decorative Street Light Systems

1. Fixtures
The mainframe assembly shall consist of cast aluminum upper and lower cage frames welded
securely to 4 slotted extruded aluminum cage legs to form a one piece assembly and secured
internally to a ballast housing with 4, 1/4-20 screws. (Product equivalent Hanover Lantern, Inc.
Dwg. #L49561).

2. Lenses
The lenses shall be of a 0.125 inch thick clear polycarbonate.

3. Ballasts
The ballast housing shall be made of cast aluminum with a minimum wall thickness of 3/16
inches. The access door must have double concealed hinges and be secured by a tamperproof
stainless steel screw. The ballast shall be 150-watt high pressure sodium. It shall be mounted on
a slide tray which is equipped with a quick disconnect device and can be removed without the
use of tools. Ballast shall be wired for 120 volts.

4. Light Distribution and Electrical Requirements
The fixture shall be wired for a maximum wattage of 150 high pressure sodium lamp type S-55
mogul base with a top mounted Type III distribution reflector (high pressure sodium lamp shall
be provided). A #74 3/4 frosted glass chimney shall be placed in the fixtures base for decorative
purposes.

5. Poles
The poles provided shall be as identified on the plans and shall consist of one piece extruded
aluminum castings constructed with a minimum wall thickness of 0.125 inches. The aluminum
post shall be welded to an anchor base with four bolt openings. A large conduit opening shall be
provided as well as a wiring access door. The access door shall be secured with four stainless
steel screws. The poles shall be provided with four 5/8 inch diameter by 15 inch long anchor TECHNICAL SPECIFICATION 455
STREET LIGHTING SYSTEMS

bolts and a template for concrete base installation. All bolts and screws to have anti-seize
applied to threads. (Product equivalent Hanover Lantern, Inc. Dwg #316-7 through 16).

6. Exterior Finish
All fixtures and poles shall be cleaned and rinsed in a hot dip cleaning solvent or equivalent to
remove all grease, dirt and blemishes before painting. The poles and fixtures shall be factory
painted satin black.

7. Light Pole Bases
The light pole base(s) shall be precast concrete as shown on the Town of Windsor Standard
Details and shall include conduit and pole fasteners as shown on the plans.

8. Metered Streetlight Controller
The electric service shall be 100 amp., I phase, 3 wire, 120V/240V. The controller assembly
shall include the following:

1 ea. Meter Socket
1 ea. Main Circuit Breaker, 100 amp, 2 pole, General Electric Molded Case Model No. THQL

21100, or approved equal
1 ea. Circuit Breaker, 60 amp., 2 pole, General Electric Molded Case Model No. THQL 2160
or approved equal
1 ea. Contactor, electrically held, 60 amp 120v coil, 2 pole, Cutler-Hammer Model #C30 DN2-
AB or approved equal
1 ea. Photocell, cabinet mounted 1800 watt, 120v
1 ea. GFCI Receptacle, 20 amp., 125 volt, in control panel
1 ea. Incandescent lamp holder with pull chain
1 ea. 100 amp. main lug only, single phase, 12 circuit surface load center, General Electric
Type TLM 1612C, or approved equal
1 ea
Timer, 60 minutes with hold feature, Intermatic Model No. FF60MH (serves as "on and
off" test override switch), or approved equal

The controller shall have appropriate contactors, circuit breakers, grounding bars, wiring, and
appurtenances for proper operation. An "on and off" override timer shall be provided for testing
purposes. If the lights are off and the timer is placed in the on mode then the lights shall come
on and override the photocell. The controller circuit panel shall contain a 20 amp., 125 volt
GFCI receptacle and an incandescent lamp holder with a 60 watt lamp and a pull chain located in
an upper quadrant of the panel. The controller is to be furnished with one lighting contactor
controlled by the photocell.

9. Cabinet
The cabinet shall be made from ¼ inch thick aluminum and shall have minimum overall
dimensions of 48 inches high by 30 inches wide by 17 inches deep. The cabinet finish shall be
natural aluminum (unpainted). The cabinet shall be Hennessy Products, Inc. Model LS503017,
or approved equal and shall be furnished with one main full door only. No auxiliary switch
panel door shall be provided. The main door shall be equipped with a Corbin No. 1548-1
tumbler type lock (industry #2 lock) and two (2) keys shall be furnished to the Town.


TECHNICAL SPECIFICATION 455
STREET LIGHTING SYSTEMS

10. Controller Base
The base shall conform to the drawings as shown on the Town of Windsor Standard Details. The
base shall be made of Class "C" concrete and may be precast. It shall include one (1) dedicated 2
inch PVC electrical grade conduit sweep for the utility company power feed, one 5/8 inch by 8
foot copper ground rod, a minimum of 4-2 inch polyvinyl chloride sweeps for wiring to the light
poles, and 2-3/4 by 18 inch galvanized anchor bolts.

11. Conduit and Wiring Conduit shall be 2 inch, schedule 40 PVC electrical grade conduit.
Wiring shall consist of 3-1/0 THW aluminum wire, and a #6 copper ground .

B. Commercial Street Light Systems

The commercial light standards and luminaire shall conform to Form 816, Sections M15.01
through M15.05, with the following exceptions:

A. The Commercial Luminaire shall be of a GE type M-250A2 POWR/DOOR® luminaire with
cutoff optics or approved equal.

B. On commercial lighting systems, contactor number one is to control even numbered light
poles and contactor number two is to control odd numbered light poles. A separate 2 pole, 60
amp circuit breaker, shall power each contactor. The normal operation of all lights is to be
controlled by the photocell.

455.3 PUBLIC UTILITY WORK

Where public utility work is required, the Contractor shall make arrangements to ensure proper
coordination of work. If required, the Contractor shall provide all excavation, backfilling of
service conduit, labor, surface restoration and any appurtenant work, from the power source to
the service meter necessary for receiving electrical service as described. Cost of this work shall
be included in the lump sum price for the controller.

455.4 CONSTRUCTION METHODS

A. Decorative Street Light Systems

1. Cabinet
A ¾ inch black plywood backboard shall be mounted on the inside back wall of the cabinet and
shall serve as the main panel for the mounting of controller components. The photocell shall be
installed on the upper portion of the cabinet. The photocell shall be mounted so that the cabinet
retains its weatherproof characteristics around the mounting area. A utility company approved
meter socket shall be mounted on the right side of the cabinet when viewed from the front. A
dedicated 2 inch PVC pipe shall run from the concrete cabinet base outside the cabinet to the
meter socket for the utility company se