798 



PARKS 



Specifications. 1 



Park lighting specifications should be simple and clear, and should 

 cover the following points: Territory to be lighted; period of contract; con- 

 tractor's duty; hours of burning; number of lamps; description of illumi- 

 nants; description of fixtures; maintenance of equipment; improvement in 

 art of lighting; additional lamps; outages; current supply; description of 

 present status and arbitration of disputes. 



SAMPLE SET OF 



The following shall be the specifications covering 

 park lighting by electricity: 



I. Definition of terms. In these specifications and 



contract the term city shall be held to mean the , 



or its properly authorized officers. When it is provided 

 that anything is to be done to the satisfaction or sub- 

 ject to the approval of the city and no officer is named 

 to act for the city, it is understood that the director 

 of public service shall so act. The term contractor 



SPECIFICATIONS 



shall be held to mean the party or parties, partnership 

 or corporation to whom the contract for street lighting 

 is awarded. 



2. Territory to be lighted. The territory to be 

 lighted by the contractor under these specifications 



shall be the as its limits now are or as 



they may be hereafter extended during the life of the 

 contract. 



3. Period of contract. The period of time for which 



Paragon Senior Top with opales- 

 cent rectilinear glass globe, canopy 

 and cast iron post, Design Arca- 

 dian A, made by the George Cutter 

 Works of the Westinghouse Elec- 

 tric and Manufacturing Company, 

 15,000 lumen (1500 c.p.) mazda C 

 lamp. Height to light source, 16 

 feet. 



Form 246 Novalux Lantern Unit 

 with Colonial alabaster glass pan- 

 els and dome refractor, made by 

 the General Electric Company. 

 Union Metal Manufacturing Com- 

 pany pressed steel standard with 

 bracket, Design No. 1 106, 10,000 

 lumen (1000 c.p.) mazda C lamp. 

 Height to light source, 18 feet. 

 Length of bracket arm, 2}-^ feet. 



PLATE No. 290. STANDARDS ESPECIALLY SUITABLE FOR LIGHTING OF PARK DRIVES 



1 These specifications have been adapted from those given in a paper presented by Mr. D. L. Gaskill before 

 the Ohio Electric Light Association, July 1921. 



Form 23 B Novalux Lantern Unit 

 with Colonial alabaster glass panels 

 and dome refractor, made by the 

 General Electric Company. Union 

 Metal Manufacturing Company 

 pressed steel standard, Design 

 No. 842, 15,000 lumen (1500 

 c.p.) mazda C lamp. Height to 

 light source, 15 feet. 



