All materials must be of good quality and free from defects and as tested by the American Society of Testing Materials and such as approved by the Board of Plumbing Examiners of the City of North Tonawanda, New York.
A. 
All piping shall be as direct as possible, and no part of the plumbing or drainage shall be exposed to frost. All work must be executed in a practical and workmanlike manner.
B. 
Every house or building must be provided with a complete system of house drains to connect the soil and waste pipes with the street sewer.
All conductor pipes and storm sewers underground shall be of tile or cast iron and same shall run to and properly connect to the storm sewer. Where there is no storm sewer accessible, such storm sewer shall be run to front lot line and street and be discharged into the public gutter, unless otherwise permitted by proper authorities and, in such case, need not be trapped.
A. 
Every building must be separately and independently connected with the street sewer, and the house sewer must be wholly upon its own premises to the street line. In cases where there is another house upon the rear part of the lot, then the same may be connected to the sewer of the main house.
B. 
The main sewer from the building to the street may be of cast iron or tile, but in no case shall the same be less than six inches in diameter.
A. 
Connection with septic tank. All septic tanks shall be at least five-hundred-gallon and have at least 200 feet of four-inch leach tile, to be imbedded in at least 12 inches of nonabsorbent material. All septic tanks must be vented on the house side with at least a four-inch T or T-Y, and capped with mushroom cap.
B. 
Septic tank location. No septic tank shall be located less than 20 feet from an occupied building, except by special permission: nor shall a septic tank be located within or under any building.
On all repairs to house sewers or drains, the joints are to be made according to specifications for new work, where possible.
All plumbing and drainage shall be executed according to the Plumbing Code adopted by the Plumbing Board, and no part of the work shall be covered or concealed in any way until it has been examined by the Inspector of Plumbing and Drainage, and notice must be sent to the Plumbing Inspector when the work is sufficiently advanced for such inspection.
A. 
After notice of sewer inspection has been filed, an inspector shall be sent to inspect the work at least once each day until the sewer is finished. When an inspector finds that the plumber is not at work on the job, he shall not be obliged to call there again until another application for inspection is made. If men on drainage work are removed, the Plumbing Inspector shall be notified.
B. 
In cases where danger exists from liability to cave in, or where there is no room to leave the earth, the Inspector shall call oftener when necessary, or an application may be made for an inspector who shall remain on the job and watch the work until finished.
C. 
After plans and specifications have been approved and filed in the office of the Plumbing Inspector, an application for inspection by telephone shall be deemed sufficient notice of request for inspection.
After plans have been approved, no alteration of same shall be allowed in changing sewers, drainage, vents, turns or sizes of same or otherwise without the approval of the Plumbing Inspector, and strictly according to code.
[Amended 1-19-1993; 2-2-1993]
A. 
All work of plumbing and drainage shall be constructed under the supervision of a master plumber duly registered with the City Clerk of the City of North Tonawanda and duly licensed after obtaining a certificate of competency from the Examining Board of Plumbers.
B. 
Notwithstanding the above, an owner of real property may obtain a plumbing permit to perform plumbing and drainage on his owner-occupied premises. No owner shall be permitted to perform plumbing and/or drainage work on public property, and no outside work will be allowed on the sanitary lateral from the main to one-foot inside the house, and no outside work will be allowed on the water service from the main to the house side of the water meter. Before a plumbing permit is issued to an owner of real property, the Plumbing Inspector must be satisfied that the owner is qualified to perform the required work. Said owner must provide proof of insurance in the amount and form as specified in § 69-1B(2) to the City.
[Amended 1-19-1993; 2-2-1993]
A. 
After the plumbing and drainage work is completed in accordance with the plan or plans on file, a certificate of final inspection must be obtained from the Plumbing Inspector within 30 days of completion.
B. 
In the event that more than two inspections are necessary due to inadequate or improper installation, a reinspection fee of $35 shall be assessed to the plumber or, if the owner is performing said work, to the property owner for each inspection after the second inspection.
A. 
The plumbing and drainage of all buildings, public and private, shall be executed in accordance with the Plumbing Code adopted by the Board of Health, and suitable drawings and specifications shall in each case be submitted by the licensed plumber doing the work and placed on file in the office of the Plumbing Inspector.
B. 
All plans and specifications of plumbing and drainage of buildings occupied by more than two families shall be signed by the owner in person, or duly authorized agent or attorney.
C. 
Blank abstracts of the specifications for plumbing and drainage will be furnished to the plumbers on application at the office of the Plumbing Inspector.
A. 
Where a Y connection was left in the main sewer in front of premises, the house sewer must be connected with the Y. If not practicable, the Plumbing Inspector may grant permission to connect with the main sewer, using an approved saddle approved by the Examining Board of Plumbers. Such saddle shall be fitted carefully in the main sewer and not be cemented until the Inspector approves of such connection. Oakum shall be placed all around the saddle connection, using special care underneath, after which cement mortar and concrete will be placed in liberal quantities around the entire joint. All such work shall be done in the presence of the Inspector of Plumbing and Drainage, who shall inspect all drainage work.
B. 
All house sewers must be laid in a trench cut to a uniform grade with a fall of at least 1/8 inch to the foot toward the street sewer. All trenches in the street shall be backfilled with loose dirt to cover pipe and the balance shall be gravel or slag, pavement to be replaced within three weeks after excavation.
C. 
Within five feet of the front cellar wall or the foundation wall of any building, tile may be used; and from this point on into the building, the house drain shall start and must be continued on with cast-iron pipe.
Cast-iron pipe for house drains must be sound and free from defects. Bell-and-spigot cast-iron pipe and fitting must be of a grade known in commerce as extra heavy. Threaded cast-iron pipe, approved, may be used. The fittings for threaded cast-iron pipe must be deep-recessed, so that when pipe is connected to same, no threads will show outside of fittings.
All joints for bell-and-spigot cast-iron pipe shall be filled with oakum and molten lead and hand caulked, or any other material approved by the Board of Examiners, so as to make them air- and watertight. The quantity of lead used shall be 12 ounces of fine soft lead for each inch in the diameter of the pipe.
A. 
A house trap permitted but not completed inside the cellar wall, or if no cellar, between the street line and house.
B. 
There must be a four-inch cleanout six inches above the floor.
A. 
The house drain inside of the building must be of cast-iron pipe such as described. It must be laid in a trench cut to a uniform grade, with a fall of at least 1/8 inch to a foot toward the street sewer. Where this is impossible, it must be hung on the cellar wall or ceiling and supported with iron hangers or brackets. Dead ends in a branch leading from soil, waste, vent, house drain or house sewer with a developed length of two or more feet should be avoided. A cleanout not less than two inches nor more than four inches in diameter, easily accessible at the foot of vertical waste, soil stack or inside leader, shall be installed with Y or T — Y for cleanout, with cleanout at main trap and cleanout at no greater distance than 50 feet on a horizontal run, shall be permitted.
B. 
All such iron drains must be run in as straight a line as possible. All changes in direction must be made with full Y branch, 1/8 bend, long sweep T-Y or long sweep double T-Y. No double hub, sleeve or double T-Y branch shall be used in soil or waste lines. The drilling and tapping of house drains, soil, waste or vent pipes and the use of saddle hubs and bands are prohibited.
C. 
The minimum size of house or building drains shall not be less than four inches, but for branches to receive a sink, basin, urinal, trays, bar or slop sink, the drain shall be three inches.
A. 
The following table, based on rate of discharge from a lavatory as the unit, shall be employed to determine fixture equivalents, or shall be known as fixture units.
B. 
A discharge at the rate of seven and 7 1/2 gallons per minute shall be considered as one fixture unit in determining the number of fixture units equivalent to any fixture not included in the list below. In determining the fixture equivalent of any fixture, the maximum rate of discharge shall be divided by 7 1/2%.
C. 
Table.
Fixture Equivalents
Fixture
Units
1
Lavatory or washbasin
1
1
Kitchen sink
1 1/2
1
Bathtub
2
1
Laundry tray
3
1
Combination fixture
3
1
Urinal
3
1
Shower
3
1
Floor drain
3
1
Slop sink
3
1
Closet
6
The required size of sanitary house drains and horizontal branches shall be determined on the basis of the total number of fixture units drained by them, in accordance with the following table:
Sanitary System Only
Maximum number of fixture units
Diameter of pipe
(inches)
Slope 1/8 inch fall to 1 foot
Slope 1/4 inch fall to 1 foot
Slope 1/2 inch fall to 1 foot
1 1/4
1
1
1
1 1/2
2
2
3
2
5
6
8
3
15
18
21
4
84
96
114
5
162
216
264
6
300
450
600
8
990
1,392
2,220
10
1,800
2,520
3,900
12
3,084
4,320
6,912
No water closet shall discharge into a drain pipe less than three inches in diameter.