742-2
631 SCHOOL SPEED LIMIT SIGN ASSEMBLY, SOLAR-POWERED,
AS PER PLAN^^

THIS SPECIFICATION APPLIES TO SCHOOL SIGN FLASHERS
POWERED BY BATTERIES AND RECHARGED BY SOLAR PANELS.

THE ENTIRE SCHOOL ZONE FLASHER AND SIGN ASSEMBLY SHALL
CONFORM TO THE CONTRACT DOCUMENTS AND MEET THE
REQUIREMENTS SET FORTH IN THE OMUTCD. THE SIGN SIZE
SHALL BE ___" X ___" AND SIGN CODE ________.

THE FLASHER CONTROL AND BATTERY WILL BE HOUSED IN ONE
OR MORE STAINLESS STEEL OR ALUMINUM ENCLOSURES WITH A
NEMA RATING OF AT LEAST 3X. ENCLOSURE EXTERIOR SURFACES
SHALL BE BARE OR POWDER COAT ALUMINUM OR STAINLESS
STEEL. THE ENCLOSURE INTERIOR SURFACES SHALL BE THE
SAME AS THE EXTERIOR.

IF CONTAINED IN A SINGLE ENCLOSURE, THE CONTROL
ELECTRONICS AND BATTERY SHALL BE SEPARATED IN A MANNER
TO PREVENT DAMAGE TO THE CONTROL ELECTRONICS IF THE
BATTERY ENVELOPE IS COMPROMISED.

A PAIR OF LED SIGNAL BEACONS, ONE ABOVE AND ONE BELOW
THE SIGN, MEETING THE CURRENT ITE VEHICLE TRAFFIC
CONTROL SIGNAL HEADS (VTCSH) STANDARD WILL BE USED
UNLESS OTHERWISE SPECIFIED. THE MANUFACTURER OF THE
SIGNAL BEACON SHALL BE LISTED ON THE DEPARTMENT'S
QUALIFIED PRODUCTS LIST FOR LED SIGNAL LAMPS.

THE SOLAR PANEL AND/OR CONTROLLER MANUFACTURER WILL
PROVIDE SIGNED COPIES OF CALCULATIONS USED TO SIZE
THE SOLAR PANEL AND BATTERIES. INCLUDED IN THESE
CALCULATIONS WILL BE THE INSOLATION VALUE USED AND ITS
SOURCE, THE SOLAR PANEL EFFICIENCY, CHARGER/CONTROLLER
EFFICIENCY, INVERTER EFFICIENCY, PROPOSED LED LAMP LOAD,
AND A FIGURE REPRESENTING ANTICIPATED MISCELLANEOUS

LOSSES.

SOLAR PANEL MANUFACTURER MUST TEST PANEL ACCORDING
TO IEC61215 OR EQUIVALENT APPROVED STANDARD. SOLAR
PANEL MOUNTING MUST BE RATED FOR 90 MPH DESIGN WIND.

RUN REQUIREMENTS ARE 4 HOURS PER DAY FOR TWO WEEKS
UNDER CONTINUOUS WORST-CASE (MINIMUM) INSOLATION
FIGURES (USUALLY DECEMBER) FOR THE PROPOSED
GEOGRAPHIC LOCATION, USING A PANEL ELEVATION ANGLE
APPROPRIATE TO THE SITE LATITUDE, AT A SUSTAINED
TEMPERATURE OF 25 DEGREES FAHRENHEIT (-4 DEGREES
CELSIUS).

IF VOLTAGES OVER 50V AC OR DC ARE PRESENT, GROUNDING
AND BONDING REQUIREMENTS SPECIFIED IN THE ODOT CMS
WILL BE FOLLOWED.

ANY TIMER INCLUDED IN THE ASSEMBLY MUST SATISFY
THE REQUIREMENTS OF 731.10 AND BE LISTED ON THE
DEPARTMENT'S QUALIFIED PRODUCTS LIST.

PAYMENT FOR 631 SCHOOL SPEED LIMIT SIGN ASSEMBLY, SOLAR
POWERED, AS PER PLAN, SHALL BE MADE AT THE CONTRACT
UNIT PRICE BID PER EACH. PAYMENT SHALL BE FULL
COMPENSATION FOR ALL LABOR, MATERIALS, TOOLS, EQUIPMENT,
TESTING, CERTIFICATIONS AND OTHER INCIDENTALS NECESSARY
TO FURNISH THE SOLAR POWERED SCHOOL ZONE FLASHER
COMPLETE IN PLACE, INCLUDING THE SIGN, ALL CONNECTIONS
MADE, WIRING COMPLETE, TESTED AND ACCEPTED.~~

Designer Note:
This note should be included when the maintaining agency requests a Solar Powered School
Speed Limit Sign Assembly.~~