PARK LIGHTING 



799 



the contract shall be awarded for electric lighting under 

 these specifications shall be ten years from and after 



4. Work at contractor 's expense. All labor, apparatus, 

 poles, brackets, wires, incandescent lamps or other type 

 of lamp which may be adopted, fixtures, reflectors, fit- 

 tings, connections, globes and appurtenances of every 

 kind and every description necessary for the lighting 

 of the park by electricity under these specifications 

 shall be furnished by and at the expense of the con- 

 tractor and shall remain his property after the expira- 

 tion of the contract. He shall supply all electric current 

 and labor of every description for supplying said lamp 

 with electricity and for maintenance and repair of every 

 kind, the intent and meaning of these specifications 

 being that the city shall be at no expense at any time 

 beyond the sum provided to be paid in the contract as 

 drawn in conformity with these specifications, namely, 

 a fixed price per lamp per year for the various types of 

 lamps and hours of service. 



5. Hours of burning. The lamps provided for in 

 these specifications shall burn from dusk until day- 

 light on every night in the year during the entire 

 period provided in these specifications. 







6. Number of lamps. The number of lamps con- 

 tracted for is as follows: series incan- 

 descent mazda C electric lamps of 400 candle power, 



present trade rating, series incandescent 



mazda C electric lamps of candle power, 



etc. 



7. Description of illuminants. The series incan- 

 descent lamps herein specified shall be mazda C series 

 lamps of 400 candle power, present trade rating, hav- 

 ing a total light output of 4,000 lumens. They shall 

 be well made and reasonably free from defects and im- 

 perfections so as to meet the conditions of the street 

 lighting service satisfactorily. 



8. Maintenance. Lamps, reflectors, refractors and 

 apparatus used in the lighting of the streets and other 

 public places shall be properly cleaned at least three 

 times a year, and maintained in such condition as to in- 

 sure satisfactory lighting. All lamps, glassware or re- 

 flectors broken, or lamps burned out, shall be promptly 

 replaced or renewed. 



9. Improvement in the art cf electric lighting. In view 

 of the possible improvements in the art of electric 

 illumination, the city or the contractor may desire the 

 substitution of improved illuminants or accessories, and 



Octagonal Reflecto-Lux Junior 

 Lantern with stippled glass panels, 

 parabolic reflectors and cast iron 

 standard, Design Arcadian C, 

 made by the George Cutter Works 

 of the Westinghouse Electric and 

 Manufacturing Company, 4,000 

 lumen (400 c.p.) mazda C lamp. 

 Height to light source, 13 feet. 



Form 12 Novalux Unit with No. 

 123 light alabaster rippled glass 

 globe, canopy and dome refractor, 

 made by the General Electric 

 Company. Union Metal Manu- 

 facturing Company pressed steel 

 standard, Design No. 1537, 4,000 

 lumen (400 c.p.) mazda C lamp. 

 Height to light source, 13}^ feet. 



Form 25A Basket Type Nova- 

 lux Unit with light alabaster rip- 

 pled glass globe and dome refrac- 

 tor, made by the General Electric 

 Company. Union Metal Manu- 

 facturing Company tubular steel 

 standard, Design No. 1360, 4,000 

 lumen (400 c.p.) mazda C lamp. 

 Height to light source, 16 feet. 

 Length of bracket arm, 4^ feet. 



PLATE No. 291. SMALLER UNITS USED ELSEWHERE IN THE PARK 



