The following regulations shall apply to all
water-cooled equipment installed for the purpose of reducing the dry
bulb temperature or decreasing the absolute humidity of air, whether
for comfort, air conditioning, refrigeration, processing or whatever
other purposes.
A.
AIR-CONDITIONING SYSTEM and REFRIGERATION SYSTEM
(1)
(2)
PERSON
SYSTEM
For the purpose of this article, the following terms
shall have and shall be construed to have the following meanings:
Includes any combination of equipment, whether compressor
or other type, by which heat is removed from the air and from which
the accumulated or effluent heat is wholly or partially removed by
the use of water.
AIR-CONDITIONING SYSTEMAn installation for maintenance, by heat removal, of temperatures which are not less than 60° F.
REFRIGERATION SYSTEMAn installation for maintenance, by heat removal, of temperatures which are less than 60° F.
Includes a natural person, partnership, corporation or association.
Whenever used with respect to any penalty, the term "person," as applied
to partnerships or associations, shall mean the partners or members
thereof, and as applied to corporations, the officers thereof.
Any combination of apparatus, individual unit or group or
collection of units supplied with water through any single customer
service pipe connected to the public water system.
B.
For the purpose of this article, in no event shall
the "rated capacity in tons" be considered less than the following:
No person shall install, operate or use any
equipment for air conditioning or refrigeration which requires a supply
of water from the system of the City of Ithaca without first having
procured written permit therefor from the office of the Water and
Sewer Division.
A.
Application.
(1)
An application for permit shall be made to the office
of the Water and Sewer Division and shall provide the following information:
(a)
The name and address of the applicant.
(b)
The location of the premises where the installation
is proposed.
(c)
The names and addresses of the owners of the
premises.
(d)
The names of the manufacturers of the units
requiring water.
(e)
The manufacturer's identification and classification
of the refrigeration units.
(f)
The manufacturer's rating of maximum refrigerative capacity of the unit or units under the conditions of the planned installation. (Rating may be stated in tons per 24 hours or Btu's per hour.) In the absence of the required manufacturer's maximum rating, the Superintendent may specify the tonnage of the installation at the ratings indicated in § 262-76B or, if these appear inadequate, then by whatever other measure of capacity appears to him/her to be proper.
(g)
The horsepower of the compressor prime mover
if the unit is of the compressor type.
(h)
Where water conservation devices are required (to comply with § 262-79 hereof), the manufacturer's name, identification, classification and size of the conservation equipment.
(i)
The elevation and plan showing general piping
arrangements and details of all points of connection to building supply
water (piping direct to condensor units, makeup supply into tower
fan, etc.).
(j)
Such additional information as shall be required
by the Water and Sewer Division.
(2)
The application shall be signed by the owner or tenant,
and applications for installation shall designate a plumber duly qualified
to receive permits under other sections of these regulations.
C.
Permit to install.
(1)
Permits to install piping or connect equipment will
be issued at the office of the Water and Sewer Division, but only
in the name of a licensed plumber who is duly qualified to perform
plumbing work in the City of Ithaca in accordance with the Plumbing
Code.
(2)
Within 48 hours following the completion of any work
authorized by a permit, a notice of completion and a request for inspection
shall be returned, in writing, on the standard plumbing inspection
blank, accompanied by the inspection fee, by the plumber receiving
the permit to the office from which the permit was obtained.
D.
Permit to operate. After final inspection and approval
of the installation, a permit to operate or use the equipment will
be issued at the office of the Water and Sewer Division in the name
of the owner or tenant.
A.
Systems with a capacity of three tons or less shall
not use water directly or indirectly, except when used with conservation
equipment, from the public supply.
B.
Systems with a total capacity of more than three tons
but not exceeding five tons may use water directly from the public
supply at a rate not exceeding 2.0 gallons per minute per ton if the
water temperature is 75° F. or less or 3.0 gallons per minute
per ton if it is above 75° F., provided that they are equipped
with an automatic regulating valve which will:
C.
All systems having a total capacity exceeding five
tons shall be equipped with evaporative condensers, cooling towers,
spray ponds or other water-cooling equipment. This equipment shall
be of sufficient capacity to ensure conformance with the requirements
of Table I for makeup water when operating under full loading at maximum
summer temperature.
|
Table I
Maximum Allowable Water Use
| ||
|---|---|---|
|
Water Hardness
(parts per million)
|
Maximum Use
(gallons per minute per ton)
| |
|
0 to 139
|
0.1
| |
|
140 to 199
|
0.15
| |
|
200 to 254
|
0.2
| |
|
255 to 339
|
0.3
| |
|
340 to 424
|
0.4
| |
|
425 and over
|
0.5
| |
All installations shall be made in conformance
with the Plumbing Code[1] and subject to the inspection of the Plumbing Inspector
and will include the following general protective measures:
A.
On installations which operate with the use of water
directly from the public supply system, every direct connection shall
be equipped with a suitable brass body, brass-fitted check valve and
vacuum breaker installed in the branch supply line to each unit.
B.
The discharge and the connections for the disposal
of wastewater shall be in accordance with the Plumbing Code and Board
of Public Works regulations regarding sanitary sewers.
C.
Cooling waters which are to be used for other purposes
shall be provided with free, above-the-rim discharge before entering
other equipment; otherwise, permission shall be obtained, in writing,
from the Plumbing Inspector approving the proposed connections and
use.
D.
On installations other than those described above,
there shall be a physical break between the public water supply piping
and the piping of the installation, so arranged as to make backsiphonage
to the public water supply system impossible.
Any permit which is issued under these regulations
to operate or use equipment may be revoked by the Water and Sewer
Division for any one of the following reasons:
A.
For new installations, these regulations shall be
effective upon publication. Publication shall be made in accordance
with provisions of any applicable laws, acts, opinions, ordinances
or regulations.
B.
Existing installations shall be modified to conform
to the provisions of these regulations, applications to operate shall
be filed and permits shall be obtained. Modifications shall be completed
and permits obtained in accordance with the provisions of this chapter
within six months after adoption.
C.
Existing installations conforming to the provisions of these regulations in all matters except the conservation of water shall not be penalized under provisions of § 262-83 for failure to provide conservation for a period of one year after adoption. Such installations shall, however, be subject to all other provisions of the regulations six months after adoption. In the event that a critical condition develops in the system subsequent to the adoption of these rules and regulations, all installations not equipped to conserve water shall be subject to immediate discontinuance on orders of the Water and Sewer Division.
A.
Failure to comply with the above regulations shall
be sufficient cause to penalize the licensee by discontinuance of
water service for failure to correct the violation within 15 days
after notification that the violation exists.
B.
Licensed plumbers guilty of violation of any of the
rules and regulations herein shall be prohibited from securing further
permits from the Water and Sewer Division; and when willful violations
warrant, charges may be preferred to the Examining Board of Plumbers
seeking revocation of the plumber's license.
The Board of Public Works reserves the right
to change, by resolution, from time to time, the rules and regulations
governing the installation and operation of air-conditioning and refrigeration
equipment.
