§ 2-45. Gas brackets.

A. 

All gas brackets and fixtures shall be placed so that the burners of same are not less than three feet below any ceiling or woodwork, unless the same is properly protected by a shelf in which case the distance shall not be less than 18 inches.

B. 

No swinging or folding gas bracket shall be placed against any stud partition or woodwork.

C. 

No gas brackets on any lath and plaster partition or woodwork shall be less than five inches in length, measured from the burner to the plaster surface or woodwork.

D. 

Gas lights placed near window curtains or any other combustible material shall be protected by a proper shield.

E. 

Gas outlets for burners shall not be placed under tanks, back of doors or within four feet of any meter.

F. 

All buildings shall be piped according to the following scale:

	Diameter (inches)	Length (feet)	Burners
	3/8	26	3
	1/2	36	6
	3/4	60	20
	1	80	35
	1 1/4	110	60
	1 1/2	150	100
	2	200	200
	2 1/2	300	300
	3	450	450
	3 1/2	500	600
	4	600	750

G. 

Outlets for gas ranges shall have a diameter of not less than that required for six burners, and all gas ranges and heaters shall have a straightaway cock on a service pipe.

H. 

When brass piping is used on the outside of plastering or woodwork, it shall be classed as fixtures.

I. 

All brass tubing used for arms and stems of fixtures shall be at least No. 18 standard gauge and full size outside so as to cut a full thread.

J. 

All threads on brass pipe shall screw at least 5/16 of an inch. All rope or square tubing shall be brazed or soldered into fittings and distributors, or have a nipple brazed into the tubing.

K. 

All cast fittings, such as cocks, swing joints, double center, nozzles, etc., shall be extra-heavy brass. The plugs of all cocks must be ground to a smooth and true surface for their entire length, be free from sand holes, have not less than 3/4 of an inch bearing (except in cases of special design), have two flat sides on the end for the washer and have two nuts instead of a tail screw. All stop pins to keys or cocks shall be screwed into place.

L. 

After piping is fitted and fastened and all outlets capped up, there must be applied by the plumber, in the presence of the Chief Building Inspector or such agent as he may appoint for that purpose, a test with air to pressure equal to a column of mercury six inches in height and the same to stand for five minutes; only mercury gauge shall be used.

M. 

No piping shall be covered up, nor shall any fixture, gas heater or range be connected thereto until a card showing the approval of this test has been issued by the Chief Building Inspector or his agent.