15592 - nycsca

advertisement
05/15/15
DESIGN NO. _____
SECTION 15592
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS)
PART 1 - GENERAL
1.01
DESCRIPTION OF WORK
A.
20
1.02
COMMISSIONING REQUIRMENTS
A.
28
1.03
1.04
1
Provide equipment required for the installation of a
complete system for the burning of natural gas or No. 2
fuel oil and for the pumping of No. 2 fuel oil. Product
specific requirements are contained herein; Section
15501, General Provisions for Heating, Ventilating and
Air Conditioning Work, shall be referred to for general
requirements.
HVAC Contractor shall comply with the Commissioning
Requirements of Contract Specification Section S01660.
RELATED SECTIONS
A.
Division 1 Sections (General Requirements)
B.
Divisions 2 to 9 Sections
C.
Division 15 Sections
D.
Division 16 Sections
SUPPLEMENTAL SUBMITTALS
Burner submittals will be submitted with the boiler package;
only transfer pump submittals and submittals for other
appurtenances defined herein are to be submitted for new
projects under this Section; for burner replacement projects,
submit complete burner system details in addition to
submissions for appurtenances defined herein.
A.
Product Data
1.
NYCSCA
Provide manufacturers product data indicating
capacities of equipment. Include all equipment
installation instructions.
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 1
05/15/15
B.
DESIGN NO. _____
Shop Drawings
1.
C.
Test Report:
1.
D.
Wiring Diagrams: Submit manufacturer's electrical
requirements
for
power
supply
wiring
to
boilers/burners and transfer pumps.
Submit
manufacturer's wiring diagrams for interlock and
control wiring required for final installation of
boilers/burners, transfer pumps & controls. Clearly
differentiate between portions of wiring that are
factory-installed and portions to be fieldinstalled. Boiler/burner and pump drawings shall
show interface with all external controls necessary
for a complete installation.
Submit field test and inspection reports prior to
placing the burner in operation.
Certificates
1.
DEP Permit: Provide for boilers with fuel input
equaling or exceeding 2,800,000 BTUH.
2.
Burner UL Listing: Submit UL 726 listing for oil
burning boilers, UL 795 (or ANSI Z21.13) listing
for gas burning boilers, UL 726 and UL 795 (or ANSI
Z21.13) listings for boilers with dual fuel
burners. Per DEP requirements effective Feb. 17,
2014, it is permissible that a new burner be listed
by UL, CSA Group, ETL, or any other national
recognized testing laboratory that uses UL testing
conditions and have their Listing Mark label.
3.
DEP Certification of Compliance: Verification of
meeting
DEP
Assembled
Equipment
Acceptance
Requirements per DEP Rules Effective Feb. 17, 2014:
(on DEP’s list of accepted equipment; or UL, CSA
Group or ETL Listed with Contractor’s Professional
Engineer’s Certification of Compliance; or Unlisted
Custom equipment with Contractor’s Professional
Engineer’s Certification of Compliance).
4.
DEP Certificate of Operation, or Certificate of
Registration if applicable:
a.
NYCSCA
Boilers with fuel input equaling or exceeding
2,800,000 BTUH:
At the completion of the
burning system installation Work, obtain a
"Certificate of Operation" from the Department
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 2
05/15/15
DESIGN NO. _____
of Environmental Protection (Air Resources)
and deliver this Certificate of Operation to
the Authority before the request for final
payment is made. Certificate shall name the
Department of Education as the owner.
b.
5.
E.
NYCSCA
Contractor’s
affidavit.
start-up
and
demonstration
Contract Closeout Submittals:
1.
Submit operating instruction manuals, complete with
schematic wiring and piping diagrams, for the
boiler/burner
units
and
all
combustion
and
operating controls.
2.
Piping and Wiring Diagram: Provide “As Built”
wiring diagram and piping layout of the oil or gas
for the boiler/burner or burner system.
The
diagram and layout shall be framed and mounted
where directed in the Boiler Room. Frame shall be
of aluminum satin finish, with one side of frame
removable and with a plywood backing.
Provide
safety glass in the front.
All parts of the
installation
shall
be
indicated
exactly
as
installed and shall be properly identified. Valve
identification numbers shall agree with valve tags
of Section 15502: HVAC Identification and all
piping shall be clearly shown and labeled.
3.
Maintenance Data: Submit maintenance data and parts
list for each burner, control, accessory and pumps;
including "trouble-shooting" in the maintenance
guide.
20
20
Projects with boilers with fuel input less
than 2,800,000 BTUH but greater than or equal
to 350,000 BTUH: Must be registered with the
DEP. Deliver this Certificate of Registration
to the Authority before the request for final
payment is made. Registrations shall name the
Department of Education as the owner.
F.
Maintenance Materials
G.
Provide a set of Manufacturer’s guarantees for each
burner,
transfer
pump,
and
other
fuel
burning
appurtenances.
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 3
05/15/15
1.05
DESIGN NO. _____
SUPPLEMENTAL QUALITY
A.
Codes and Standards
1.
NFPA Compliance: Install oil-fired burners in
accordance with NFPA Standard 31-2001: Standard for
the Installation of Oil Burning Equipment and
related NYC Mechanical Code Amendments.
2.
NFPA Compliance: Install oil-fired burners in
accordance with NFPA Standard 8501-1997: Standard
for Single Burner Boiler operation and related NYC
Mechanical Code Amendments.
3.
NFPA Compliance: Install gas-fired burners in
accordance with NFPA Code 54-2006: National Fuel
Gas Code and related NYC Fuel Gas Code Amendments.
4.
ASME CSD-1-2004 Compliance: Install gas fired
burner’s gas and oil train piping in full
accordance with ASME CSD-1-2004 requirements.
5.
All appliances regulated by the New York City
Construction Codes shall be listed and labeled
(reference Sections MC 301.4 and MC 301.6 of the
2014 NYC Mechanical Code).
Testing of material
shall be in accordance with Section §28-113 of the
NYC
Administrative
Code
(reference
Section
MC 301.5). Whenever the NYC Construction Codes or
the Rules of the Department of Buildings requires
that material be listed or labeled and material
proposed to be used is not so listed or labeled,
the use of such material shall be subject to prior
approval by the Commissioner (Office of Technical
Certification and Research OTCR) and such material
shall be used only to the extent set forth in such
approval. Materials that were previously approved
by the Board of Standards and Appeal (BSA) or by
the Department (MEA) before the effective date of
the NYC Construction Codes may continue to be used,
but only to the extent set forth in such approval,
and only if such approval is not specifically
amended or repealed by the Commissioner.
20
20
NYCSCA
ASSURANCE
B.
System shall be arranged for lead/lag
operation as per code requirements.
sequential
C.
Fuel burning equipment shall be designed to operate
satisfactorily and efficiently without objectionable
smoke, odor, or noise.
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 4
05/15/15
DESIGN NO. _____
D.
Special Inspections are required on any installation of
fresh air louvers, dampers, fresh air fans, fuel oil
piping, fuel burners, gas piping, boilers, and all other
items
and
accessories,
in
accordance
with
the
requirements of New York City Construction Codes.
E.
At the completion of the Work, file all necessary final
applications and relevant papers, Drawings, Amendments,
and all other items and accessories and secure for the
Authority, a Certificate of Operation or Registration (as
applicable) from the NYC Bureau of Air Resources and the
NYS Department of Environmental Conservation for the
burning system and all the approvals from the Building
Department and the Bureau of Electrical Control. Submit
with the request for final payment proof of filing for an
inspection certificate from the Bureau of Electrical
Control and a certificate of satisfaction from the
Building Department. Acceptable evidence of filing with
the Bureau of Electrical Control will be the job posting
card issued by the Bureau.
F.
Contractor is responsible for any and all fees assessed
by the NYC Bureau of Air Resources for inspection and/or
cancellation if the initial BAR inspection fails to
result in the issuance of the Certificate of Operation
(as applicable) for the installation.
G.
Certificates of approval issued by the Building
Department (CID), Department of Health, Department of
Water Resources, Bureau of Electrical Control, Fire
Department, Department of Air Resources, Department of
Highways, and all other departments having jurisdiction
in connection with this Work shall be submitted before
final payment is made.
H.
Contractor shall register, file applications and obtain
all related permits, certifications and approvals
required by all agencies including but not limited to:
20
22
NYCSCA
1.
Plumbing Inspection - sign off (DOB/CID).
2.
Certificate of approval
Installation - (DOB/CID).
3.
Bureau of Electrical Controls. (DOB/BEC).
for
Fuel
Oil
Burner
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 5
05/15/15
DESIGN NO. _____
4.
STATIONARY COMBUSTION INSTALLATION - Application/
Permit New York State Department of Environmental
Conservation (D.E.C.).
5.
APPLICATION FOR CERTIFICATE OF OPERATION (as
applicable)
OF
FUEL
BURNING
EQUIPMENT,
Air
Resources
(B.A.R.)
Tests,
Inspection
and
Certificate of Operation (as applicable) - NYC
Department of Environmental Protection (DEP).
6.
Coordination, inspection and
Natural Gas Utility Company.
7.
DEP Certificate of Compliance
approval
by
the
I.
Before submitting any equipment shop drawings for
approval, the HVAC Contractor, Automatic Temperature
Controls Contractor and the Equipment Vendor and
Manufacturer shall coordinate the controls required for
the system.
20 J.
Per Section MC 1303.1, joints and connections shall be
approved and of a type approved for fuel-oil piping
systems. All threaded joints and connections shall be
made tight with suitable lubricant or pipe compound.
Pipe joint compounds and thread seal tape that utilize
Teflon (PTFE) shall be approved for usage on fuel oil
lines.
Per Section FGC 403.9.3 of the NYC Fuel Gas Code, joints
and connections shall be approved and of a type approved
for natural gas piping systems. All threaded joints and
connections shall be made tight with suitable lubricant
or pipe compound. Pipe joint compounds and thread seal
tape that utilize Teflon (PTFE) shall be approved for
usage on natural gas lines.
22 1.06
MAINTENANCE MATERIALS
A.
1.07
WARRANTY
A.
NYCSCA
Furnish spare Hydramotor fuel safety shut-off valve set,
one per each boiler.
Burner guarantee shall be for two years. All other
guarantees shall be for one year. All guarantee periods
shall start at Substantial Completion.
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 6
05/15/15
DESIGN NO. _____
PART 2 - PRODUCTS
2.01
2
MANUFACTURERS
A.
If burners are provided with the boilers: burners shall
be provided by the same manufacturer as the boilers.
Refer to the following Sections:
Section 15555: Fire-Tube Boilers (Steam)
Section 15556: Cast-Iron Boilers
Section 15559: Flexible Water-Tube Boilers
(Steam)
Boiler Manufacturer shall select burners that comply with
the specifications and best match the boilers.
B.
Burner Replacement Projects:
as follows:
1.
2.
3.
4.
5.
11
2.02
20
Webster
Industrial Combustion
S. T. Johnson
Profire (Cleaver Brooks)
Power Flame
BOILER BURNER
A.
NYCSCA
Approved manufacturers are
The gas fuel burning system shall be compliant with ASME
CSD-1-2004 for the following features (including but not
limited to) (based on fuel input rates as applicable):
1.
Manual shutoff valves
2.
Pilot flame and main flame establishing periods
3.
Flame failure response time
4.
Valve closing time
5.
Action to be taken on pilot or main flame failure
6.
Fuel pressure supervision
7.
Pilot and main gas regulators
8.
Pressure test ports
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 7
05/15/15
DESIGN NO. _____
9.
Gas pressure regulator venting
limiters or hard piped vents)
(integral
vent
10.
Low and high gas pressure switches and their venting
(integral vent limiters or hard piped vents)
11.
Number of automatic safety shut off valves
12.
Proof of Closure requirements
13.
Action on power or control input interruption after
safety shutdown and lockout
14.
Proven low fire start
15.
Action on loss of combustion air
16.
Gas pressure relieving devices
17.
Manual leak testing valves for safety shut off
valves
18.
Manifolding of any hard piped vent lines
19.
Pre and post purge durations
20.
Automatic ignition devices
21.
Sequencing of components on both pilot and main gas
trains
All controls and safety devices covered by ASME CSD-1
shall be accepted and listed for the intended service by a
nationally recognized testing agency, such as, but not
limited to CSA, FM, or UL. Provide gas filters/strainers,
drips and sediment traps as indicated in ASME CSD-1-2004.
B.
NYCSCA
The oil fuel burning system shall be compliant with ASME
CSD-1-2004 for the following features (including but not
limited to) (based on fuel input rates as applicable):
1.
Fuel pump piping
2.
Pilot flame and main flame establishing periods
3.
Flame failure response time
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 8
05/15/15
DESIGN NO. _____
4.
Valve closing time
5.
Action to be taken on pilot or main flame failure
6.
Fuel pressure supervision
7.
Regulators and venting
8.
Pressure test ports
9.
Number of automatic safety shut off valves
10.
Proven low fire start
11.
Action on loss of combustion air
12.
Shutoff valve and/or pressure relief valve
13.
Pre and post purge durations
14.
Atomizing media supply pressure interlock switch
15.
Oil pressure interlock switch
16.
Automatic ignition devices
17.
Sequencing of components on both pilot gas and main
oil trains
All controls and safety devices covered by ASME CSD-1
shall be accepted and listed for the intended service by a
nationally recognized testing agency, such as, but not
limited to CSA, FM, or UL. Provide oil strainers as
indicated in ASME CSD-1-2004.
C.
Each burner shall be arranged for single fuel operation
of No. 2 oil or natural gas. Adjust burner and controls
so that combustion efficiency is maintained automatically
at
the
minimum
efficiency
values
indicated
in
Specification Sections 15555, 15556, and 15559 over the
entire range of modulation of No. 2 fuel oil or natural
gas.
D.
Pressure Atomizing: Each burner shall be of pressure
atomizing forced draft design and be capable of firing
the specified boiler to its rated input capacity for
No. 2 fuel oil. Burner shall be capable of producing a
continuous stable flame, through a minimum 2 to 1 turn-
26
10
22
3
NYCSCA
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 9
05/15/15
DESIGN NO. _____
down ratio in firing rate without changing tips or making
other manual adjustment from high fire position to low
fire. The burner shall include stainless steel atomizing
guns.
10
E.
Air Atomizing: Each burner shall be an air atomizing
forced draft combustion system.
The burner shall be
capable of firing the specified boiler at its rated input
capacity for No. 2 fuel oil. Burner shall be of the full
modulation type with a turndown ratio of 3:1 or better
from high fire position to low fire.
F.
Burner shall be of the high static forced draft type.
All of the combustion air shall be provided by an
integral blower of the forward curved type, direct drive
3540 rpm, 208 volt or 460V, 60 Hz, 3 phase motor. The
blower fan shall be mounted directly on the blower motor
shaft and the entire assembly shall be removable as a
single unit through the motor side of the burner. The
burner shall be steel of the all welded construction and
shall have a stainless steel flame retention firing head.
The burner shall be equipped with twin combustion air
inlet shutter dampers with nylon bearings for smooth and
repeatable operation of the dampers.
G.
Burner shall be provided with a gas spark ignition pilot.
Pilot piping shall have a factory installed shut off
cock, "Y" strainer and gas pressure regulator. Provide
the following as required by ASME CSD-1-2004: solenoid
pilot safety shut-off valve(s), gas pressure switch(s)
and plugged leakage test connections. Provide a
lubricated plug cock in the field piping directly before
the pilot piping.
Provide a "Y" strainer after the
lubricated plug cock. Transformers, relays, switches and
other accessories required to make the burner systems
operative shall be provided. Refer to Plumbing (15416)
for venting of pilot piping.
H.
Burner Oil System
5
22
7
4
22
NYCSCA
1.
The fuel oil firing system of the burner shall be a
single nozzle air atomizing system or a mechanical
high pressure atomizing design using simplex
nozzles capable of effectively atomizing No. 2 fuel
oil. The burner fuel oil train shall be factory
installed and shall include: one (1) 2 way direct
acting normally closed fuel oil safety solenoid
shut off valve, one (1) 2 way normally closed fuel
oil hydramotor safety shut-off valve with one (1)
FM proof of closure switch similar to ASCO/General
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 10
05/15/15
DESIGN NO. _____
Controls HOV1 safety shut-off valve, fuel oil valve
discharge spring loaded in line check valve, fuel
oil pressure regulator, fuel oil metering valve,
low fuel oil pressure switch, fuel oil pressure
gauge, fuel oil return solenoid valve, oil relief
valves, check valves, and Y-type bronze 100 mesh
strainer upstream of both fuel oil safety shut off
valves. Provide all burner assemblies with antidrip nozzles to retain oil contained in the oil
piping and nozzle upon the closing of the main
shut-off valve and safety shut-off valves or other
approved by the Authority method that can perform
the same function.
I.
22
5
J.
2.
Fuel oil piping to each burner must include one(1)
2 way normally closed hydramotor safety shut-off
valve with one (1) FM proof of closure switch,
ASCO/General Controls HOV1 SAFETY SHUT-OFF VALVE.
3.
Hydramotor safety shut off valve must be installed
in
accordance
with
recommendations
of
the
manufacturer and must allow easy viewing of the
OPEN - SHUT view window from a standing position in
front of the boiler.
Burner Oil Pump
1.
Fuel oil shall be delivered to the burner nozzle by
a positive displacement fuel oil pump mounted
integrally as part of the burner assembly or
conveniently located pump set near the burner. The
burner oil pump shall include the following: Fuel
oil pumps and motors with built in pressure
regulator, fuel oil simplex strainer (100 mesh
basket), fuel oil strainer suction inlet compound
gauge, and fuel oil strainer outlet compound gauge,
fuel oil pump discharge pressure gauge, oil safety
valves.
2.
All pressure gauges shall be liquid filled and
fitted with pulsation dampers and shut off cocks.
Atomizing Air Compressor:
1.
22
NYCSCA
The burner shall include a factory assembled,
mounted atomizing air compressor set to provide
atomizing air for the proper atomization of the
fuel oil.
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 11
05/15/15
11
23
K.
DESIGN NO. _____
2.
The atomizing air compressor set shall include the
following components: Air compressor and motor
drive, low compressor oil level safety switch, air
filter, pressure relief valve, bleed line with
cock, pulsation tank and accumulator.
3.
The atomizing air piping train shall be factory
installed and shall include: Low atomizing air
pressure switch, check valve, atomizing air
pressure gauge
4.
All pressure gauges shall be liquid filled and
fitted with pulsation dampers and shut off cocks.
Burner Gas System
1.
The gas
multiport
velocity
stream.
type with
high fire
2.
Gas Train: The burner manufacturer shall provide a
factory
assembled
and
pre-wired
gas
train
(manifold). The gas train burner manifold shall be
capable of providing sufficient gas to the burner
for burner operation at the full firing rate of the
boiler with the required gas pressure at the inlet
to the gas burner manifold.
Gas train shall
include the following components as required by
ASME CSD-1-2004: motorized safety shut off valve(s)
with proof of closure switch(s) and high and low
gas pressure switches. Provide gas pressure
regulator, pressure gauges at regulator inlet and
outlet and burner manifold, strainers, manual gas
shut off valves, and plugged test cocks.
9
8
burning components shall be of the
type designed to inject many high
jets of gas into the combustion air
Burner shall be of the full modulation
a turndown ratio of 3:1 or better from
position to low fire.
High and low gas pressure switches if required by
ASME CSD-1, shall be vented to the atmosphere and
may be connected to the appliance regulator vent on
the same gas train. Cross manifolding between
burners is allowed on equipment operating off the
same service and pressure. Manifolded atmospheric
vent lines shall be connected to a common vent line
having a cross sectional area not less than the
area of the largest vent plus 50 percent of the
combined area of all the additional vents with
allowance for length of run and fittings.
NYCSCA
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 12
05/15/15
DESIGN NO. _____
“Ventless” gas pressure switches may be used
alleviating the requirement for outside venting;
however, pressure switches in this category shall
be UL 353 listed and shall be equipped with an
integral vent limiter in lieu of the requirement
for outside venting. The utilities have accepted
the following pressure switches or their equal as
being “Ventless”:
1.
2.
3.
4.
Antunes series LGP-G, HGP-G
Honeywell series C6097
Karl Dungs series GMH, GML
Siemens series QPH, QPL
On elevated pressure systems of over 14" w.c., all
regulators
must
be
vented
outside
to
the
atmosphere. On services supplying 14" w.c. and
less, regulators with valve bodies 1¼" and larger
shall be vented outside to the atmosphere.
Regulators with valve bodies smaller than 1¼" and
those installed on services supplying 14” w.c. and
less may be equipped with approved appliance vent
limiters in lieu of outside venting. The Siemens
SKP series of combination valve/regulator (with
integral vent limiter) or approved equal may be
utilized for their rated pressures and body sizes
without outside venting. Per Section FGC 410.3, a
vent to the outside is not required for regulators
less than 1¼ inches NPS equipped with and labeled
for utilization with approved vent-limiting devices
installed in accordance with the manufacturer’s
instructions.
L.
NYCSCA
Parallel positioning control (linkage-less): The parallel
positioning control with air to fuel ratio control shall
include a master proportional controller (Honeywell R7999
or approved equal) with sub-base (Honeywell Q7999A or
approved equal) which shall be connected to the load to
sense the changes in load. The output of the controller
shall transmit a signal simultaneously to the forceddraft damper(s) and fuel valve operators (Honeywell
ML7999 or approved equal). A separate ratio-adjustment
controller which has been calibrated for the system to
prevent a fuel-rich mixture shall be utilized in the line
to the fuel valve and shall vary the signal for the fuel
flow proportionally to the air flow. This action shall
change the fuel flow to establish the optimum air to fuel
ratio. The parallel positioning control shall be capable
of offsetting variations in pressure-drop characteristics
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 13
05/15/15
DESIGN NO. _____
in final control elements, fuel viscosity, air
temperature, or barometric pressure.
Stable burner
operation shall exist when the continuous firing rate is
from 25 percent to 100 percent of the maximum required
firing rate.
The turndown of the burner firing rate
shall be made during the normal firing cycle without
interruption or change of burner components.
A
capability for manual control shall be provided that
allows a smooth transition between manual and automatic
control. All controller adjustment and calibrations of
fuel feed and air flow shall be made at the front of the
control cabinet or panel, with flush-mounted indicators
provided to show adjustments and results.
Provide a
Display Module (Honeywell S7999B or approved equal) to
integrate with the fuel/air controller.
M.
Burner Controls
1.
7
Provide all the controls, including the protective
and modulating flame control devices required for
the safe operation of the burning equipment.
Provide all the electric wiring for the burner
controls.
Safety devices, including pressure
controls, combustion controls, relays, and all
other items and accessories, shall have their
electric switching mechanism connected to an
ungrounded conductor or conductors.
a.
Controls for each burner shall include
automatic gas-electric ignition with magnetic
gas valve, ignition transformer, electronic
flame failure programming control, safety
devices, and all other items and accessories.
Burners shall operate on a full modulation
principal cycle, at predetermined maximum and
minimum boiler pressures.
Gas piping, oil
piping, sensing devices, transformers, relays,
switches and other accessories required to
make the burner system operative, shall be
provided.
b.
Modulating flame control mechanism for each
burner shall consist of a modulating electric
damper control motor(s), modulating pressure
controller, metering device, and all other
items and accessories, so that the air
atomizing system, and combustion air dampers,
and the parallel position control be actuated
by
the
master
proportional
controller
20
NYCSCA
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 14
05/15/15
DESIGN NO. _____
(Honeywell R7999 or approved
response to the heating load.
c.
Each system shall also be equipped with a
flame failure control, low water cut-off,
pressure operating control, pressure limit
control, outside air intake damper control,
magnetic oil valve, sequence draft control,
burner smoke alarm shutdown and all other
items and accessories.
Solenoid Valves: Each burner shall be provided with
120-volt normally closed, packless solenoid valve
in the oil supply and in the pilot gas supply. The
oil valve shall be wired through an auxiliary
contact of the burner motor starter and into the
burner programming circuit, so that the valve will
open only when the gas pilot flame has been proven
and will remain open until the steam demand has
been satisfied, unless flame failure occurs. The
pilot gas valve shall be wired into the burner
programming circuit to open only at the end of the
pre-purge period and to remain open until the main
flame has been proven.
Both valves shall be UL
approved, and, in addition, the gas valves shall be
approved by the American Gas Association.
Each
solenoid valve shall be manufactured by Automatic
Switch Co. (ASCO), Honeywell, ASCO/General Controls
Co. The solenoid oil valve shall be designated by
the manufacturer for use with No. 2 fuel oil at the
pressure of this system. The solenoid pilot gas
valve shall be designated by the manufacturer for
use with natural gas at the pressure available.
3.
Hydramotor valves: Each burner shall be provided
with 120-volt electrohydraulically operated 2-way
normally closed bronze, underported, globe-type oil
safety shut off valve with a single, quick opening
stem guided seat.
Hydramotor valve shall be
provided with a FM proof of closure switch. The
valve and proof of closure switch shall be wired
through auxiliary contacts of the burner motor
starter and into the burner programming circuit so
that the valve will open only when the gas pilot
flame has been proven and will remain open until
the steam demand has been satisfied, unless flame
failure occurs.
FM proof of closure interlock
switch shall be wired into the flame safeguard
preignition interlock circuit and will not allow
burner start up without proof of closure.
7
NYCSCA
in
2.
1
22
equal)
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 15
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DESIGN NO. _____
Hydramotor valves shall be UL listed, shall have
complete closure in 1 second or less and shall be
Model
HOV1
as
manufactured
by
ASCO/General
Controls. Provide two tee fittings between the two
oil safety
shut-off valves. The first tee leg
shall be equipped with a test port that can be
opened to verify that the upstream solenoid safety
valve is closed. The second tee leg shall be
equipped with an oil relief valve and connected
back to the oil return line to relieve any excess
pressure between the shut-off valves.
22
22
NYCSCA
4.
Metering Device: Each burner unit shall be equipped
with an approved B.A.R. metering device.
The
metering device shall be designed so that its
maximum delivery rate will be fixed so as not to
exceed the required firing rate of the burner.
5.
Modulating Direct Coupled Actuators: Provide Direct
Coupled Actuators (Honeywell ML7999 Universal
Parallel Positioning Actuators or approved equal).
The parallel positioning master proportional
controller shall control the combustion air dampers
to maintain proper combustion as the oil flow is
varied in response to heating load. The modulating
motors shall be equipped with a high-fire switch to
prove that the motors have moved to the high-fire
position during the pre-purge period, and with a
low-fire switch to prevent burner ignition unless
the modulating motors are at the low fire position.
The parallel positioning control shall have
external switches mounted on the driven members of
the air dampers indicating high fire and low fire
position during the purge period; also an external
switch indicating low fire position of the fuel
metering arrangement to prevent burner ignition
unless both external low fire light off indicating
switches are electrically closed. Also, the end
switch on the sequential draft damper shall be
interlocked with burner motor controls, to ensure
100% opening, prior to pre-purge.
6.
Modulating Controller: On each boiler, provide a
modulating controller, Honeywell P7810C Combination
Pressuretrol controller consisting of an analog
header pressure sensor firing rate controller,
On/Off
Cut-In/Cut-Out
controller,
and
Limit
controller
with
manual
reset.
Connect
the
controller to the boiler so that varying boiler
pressures will actuate the parallel positioning
FUEL BURNING/PUMPING EQUIPMENT
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DESIGN NO. _____
master proportional controller that in turn will
actuate the Direct Coupled Actuators to maintain
constant steam pressure. Piping connection shall
include a syphon. Provide Direct Coupled Actuators
for all combustion air dampers and all fuel valves
(gas or oil).
7.
8.
NYCSCA
Pressure Operating Control
a.
Provide on each boiler a pressure operating
control, which shall be installed with syphon
as indicated on the Drawings and approved Shop
Drawings.
Control shall be integrated into
the Honeywell Pressuretrol P7810C or equal.
Operating control shall function to stop the
operation of the burner when the boiler
pressure reaches 8 PSIG and to cause the
burner to start when the pressure drops to a
selected lower pressure.
b.
When
the
lead-lag
programming
control,
specified in Paragraph 2.05, requires a
pressure control installed on the steam
header, it shall be in addition to the control
installed on the boiler and shall be one of
the makes specified in 7.a. In this case, the
control installed on the header shall act as
the primary operating control, and shall be
set in accordance with the recommendation of
the lead-lag control manufacturer.
The
pressure operating controls installed on the
boilers shall all be set alike: cut-out
pressure not to exceed 8 PSIG; cut-in pressure
at a pressure lower (approximately 1 PSIG)
than the header (lead-lag) control cut-in
pressure.
Pressure Limit Control: Provide on each boiler a
pressure limit control, wired in series with all
other control devices to the ungrounded conductor,
to stop the burner and to interrupt completely the
power to the flame failure control if the boiler
pressure exceeds 12 PSIG maximum. Control shall be
installed with a siphon. It shall be equipped with
manual reset feature and shall be integrated into
the Honeywell Pressretrol P7810C or approved equal.
FUEL BURNING/PUMPING EQUIPMENT
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DESIGN NO. _____
9.
Flame Failure Control
a.
Each burner shall be provided with a flame
failure
(combustion
safety)
programming
control
which
will
de-energize
all
electrically operated fuel valves and burner
equipment per ASME CSD-1-2004, and actuate a
visual alarm mounted on the control panel
after an operating flame failure has occurred.
Automatic start up and shutdown programming
shall be a part of this safety equipment.
b.
Pilot and main flame shall be detected by a
lead sulphide infrared or ultraviolet scanner
as per burner manufacturer's recommendation.
Scanner shall be so located as not to be
actuated by hot refractory or other hot body.
When ultraviolet flame detection is used, a
test is required to verify that ultraviolet
radiation from the ignition spark is not being
detected.
c.
Control shall provide for prepurge prior to
light off, proof of pilot before main fuel
valves open, proof of main flame only during
run, and post purge at the end of each firing
period per ASME CSD-1-2004.
Control shall
affect a safety shutdown prior to the opening
of the main fuel valves if the presence of the
pilot flame has not been proven.
1)
NYCSCA
Burner pre-purge cycle and post-purge
cycle shall operate as follows: The prepurge cycle shall be 100% air flow and
shall have a duration equivalent to a
minimum of 4 air changes. The post-purge
cycle shall be 15 seconds minimum
(adjustable) for burners greater than 20
gph per ASME CSD-1-2004.
d.
In case of electrical power supply failure,
control shall recycle automatically when power
is restored.
In case of safety shutdown,
control shall not permit recycling of the
burner equipment until after the manual
operation of a reset button.
e.
The control shall accomplish a safe start
component check during each start.
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DESIGN NO. _____
f.
Flame failure control for each burner shall be
installed in the control cabinet with remote
mounted Keypad/Display Module or Touch-Screen
installed at a height of 4'0" off the floor,
incorporating at a minimum a two line by
sixteen character backlit LCD display and
three button keypad or Touch-Screen to provide
both operational and comprehensive diagnostic
information.
The FIREYE E300 Expansion Module or Honeywell
S7830 Expanded Annunciator Module shall
provide additional monitoring and first out
annunciator capability for up to 16 specific
interlock functions.
The Flame Monitor
control, working in conjunction with the
Expansion Module, shall display the exact
safety interlock that caused the safety
shutdown.
The description of each safety
interlock shall be programmed with the
keypad/display or Touch-Screen to match the
current wiring configuration.
g.
15
10.
Provide a low fire hold minimum temperature
aquastat and wire into boiler modulation and limit
circuit to prevent boiler from modulating to high
fire until water temperature reaches 180oF.
Aquastat shall be similar to Honeywell Model L
4006B or L6006A and shall be installed in tapping
in shell below water level closest to water
surface.
11.
Night setback: existing CIP Project buildings –
Wireless pneumatic thermostats shall be provided as
defined in Section 15974.
12.
For Fire tube boilers with fuel input greater than
or equal to 12,500,000 BTUH (300 BHP nominally),
and above: All boiler / burner controls shall meet
NFPA 8501 requirements in entirety, including the
following:
-Two safety shut-off valves in series, each with
proof of closure (fuel oil or gas).
-Two safety shut-off valves in series in the pilot
gas line, with an automatic vent valve between the
14
NYCSCA
Controls shall be Honeywell 7800 series or
FIREYE E110 Flame Monitor. Provide all the
required modules.
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DESIGN NO. _____
two valves. The vent pipe shall be routed to
outside independent of other vents.
13.
For Water tube boilers with fuel input greater than
or equal to 12,500,000 BTUH (300 BHP nominally) &
above:
In addition to requirements above, the following
shall also be satisfied:
-Purge cycle shall be sufficient for at least eight
air changes. Prove purge airflow by air pressure
measurement and ‘open damper’ interlock for all
dampers in the flow path.
-Prove pilot flame within 10 seconds, after which
pilot shall be shut off; vent the gas piping
between pilot safety shutoff valves to the
atmosphere.
N.
Burner Control Panel:
1.
1
20
The burner manufacturer shall provide for each
boiler/burner, a boiler/burner control panel that
shall house all required operating controls and
electrical components.
The burner control panel
shall be constructed of not less than 16 gage sheet
steel in accordance with NYC Electrical Code and
shall be complete with hinged and removable front
access door. The panel shall contain the following
equipment assembled, connected and wired:
Burner Motor Circuit Breaker
Burner Motor Starter3 ph. with overload
protection
Forced Draft Fan Motor Circuit Breaker
Forced Draft Fan Motor Starter - 3 ph. with
overload protection
Fuel Oil Pump Circuit Breaker
Fuel Oil Pump Motor Starter - 3 ph. with overload
protection
Atomizing Air Compressor Circuit Breaker
Atomizing Air Comp. Motor Starter - 3 ph. with
overload protection
Control Circuit Transformer
Control Power ON-OFF Switch
Manual-Automatic Switch
Control Potentiometer
Low Fire Potentiometer
Flame
Safeguard
&
Programming
Control
With
Honeywell 7830 Display Module or approved equal
NYCSCA
FUEL BURNING/PUMPING EQUIPMENT
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DESIGN NO. _____
Parallel Positioning Control With Honeywell S7999B
Display Module or approved equal
Alarm Silence Push Button
Alarm Bell
Draft Control
Draft Gauge
Flue Temperature Gauge
Smoke Density Monitor
2.
The Burner Control Panel shall be equipped with BAR
approved Draft Controls. Each draft control system
shall include the following: Draft program control,
linear actuator (field mounted), draft indicator
with 3 way cock, low draft switch with time delay.
3.
The following lights and/or alarms shall be
included as a minimum readable from the exterior of
a closed control panel:
Power On
Flame Failure
Pilot ON
Main Fuel Oil Valves ON
Main Gas Valves ON
Pre purge
Post Purge
1
20
4.
1
20
Light
x
x
x
x
x
x
x
Alarm
x
The FIREYE E300 Expansion Module and E110 Flame
Monitor or the Honeywell S7830 Expanded Annunciator
Module and 7800 Flame Monitor shall read and/or
annunciate
(audible
alarm)
the
following
information readable from the exterior of a closed
control panel:
Pre purge
Post Purge
Low Atomizing Air Pressure
Low Fuel Oil Pressure
Low Water
Burner Smoke Density
High Limit Steam Pressure
Low Draft
Low Gas Pressure
High Gas Pressure
Fuel Selector Switch
Air Flow
Provide a relay coil in parallel with the alarm
horn which will close a set of dry contacts when
NYCSCA
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05/15/15
DESIGN NO. _____
the alarm horn annunciates. Dry contacts shall be
wired to low voltage field wiring strip terminals
by OEM. (Subsequent AWG 16 twisted pair connection
to field wiring strip shall be by Div 16 Contractor
to the alarm auto-dialer).
5.
1
20
Local display shall afford the operator the maximum
amount of information in an easily understood
format. Storage capacity shall include the number of
alarm failures for each point as well as the
following information
Time Fuel Oil Firing
Time Gas Firing
6.
O.
2.03
13
NYCSCA
Interface Drawings shall be provided by the
boiler/burner manufacturer for the entire control
system of the boiler/burner and auxiliaries
including but not limited to feedwater and code
related devices as controlled by the burner control
panel.
Two drawings shall be provided.
One a
ladder diagram for sequence of operation and two, a
line drawing of the actual wiring of the panel
complete with wire numbers and color code.
All burner smoke alarm controls and stack controls
installed in the stacks shall be fitted with glass lens
caps, sealing bellows or equal approved method to assure
positive stack seal.
STEAM BOILER EQUIPMENT CONTROL POINTS
A.
The fuel burner manufacturer shall provide a control
interface (Control System Gateway) between the Steam
Boiler(s) electronic control panels and the LonWorks
Building Management System (BMS). The Temperature Control
Contractor (TCC) shall provide integration of monitoring
and
alarm
functions
as
indicated
in
Contract
Specification 15985 and on the Drawings.
B.
The Temperature Control Contractor shall provide to the
burner unit manufacturer a listing of LonWorks DDC
input/output Standard Network Variable Type (SNVT)
listings,
Functional
Profiles,
and
Configuration
Properties that are to be integrated from the electronic
burner control system into the LonWorks BMS.
FUEL BURNING/PUMPING EQUIPMENT
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C.
NYCSCA
DESIGN NO. _____
CONTROL SYSTEM “GATEWAY”
1.
The manufacturer of the electronic fuel burner
plant
controller
shall
provide
a
protocol
translator gateway for native control systems that
are not LonWorks compliant in order to convert to
the LonTalk protocol (ANSI approved standard
EIA/CEA-709.1-A-1999).
2.
The protocol translator gateway shall enable the
electronic fuel burner plant controller network
devices
to
communicate
directly
with
the
Authority’s LonWorks based Building Management
System.
3.
Provide interoperable protocols as specified:
Modbus, Profibus, or approved equal. Use of a
proprietary burner management protocol other than
Modbus or Profibus is subject to approval of the
Authority’s Facility Management Systems Integrator.
4.
The data transfer between Modbus/Profibus and the
LonTalk protocol shall provide the required
Standard Network Variable Types (SNVTs) and
configuration parameters to monitor the Steam
Boiler plant from the LonWorks based Building
Management System using the LonTalk protocol.
5.
The data transfer between the manufacturer’s steam
boiler
electronic
control
panels
and
the
Authority’s LonWorks based Building Management
System is to be accomplished using a Field Server,
or approved equal, protocol translator gateway and
additional integration hardware specified below per
the requirements of Facility Management Systems
Integrator Specification Section 15973. All the
required software and configuration files shall be
provided and be downloadable via the serial or
Ethernet port of the gateway.
6.
Where the use of a unique proprietary protocol is
utilized by the burner manufacturer, a custom
designed configurable “gateway” shall be provided
by the manufacturer of the burner. Use of a unique
burner manufacturer proprietary protocol is subject
to the approval of the Authority’s Facility
Management Systems Integrator.
FUEL BURNING/PUMPING EQUIPMENT
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DESIGN NO. _____
D.
The burner manufacturer shall retain the services of a
Field Server approved Systems Integrator, or approved
equal, who shall demonstrate the proper integration of
the boiler control system to the satisfaction of the
Authority’s Facility Management Systems Integrator and in
accordance with the requirements of the Drawings and
Specification Sections 15970, 15985 and 15973.
E.
Submit manufacturer's wiring diagrams for interlock and
control wiring required for final installation of the
burner controls interface. Clearly differentiate between
portions of wiring that are factory-installed and
portions to be field-installed by the burner control
panel manufacturer.
F.
The above addresses electronic burner control systems.
For electric air/fuel burner control systems (example:
where a digital steam header pressuretrol is used in lieu
of an analog electronic pressure control), the
Temperature Control Contractor and the Mechanical
Contractor shall provide sensors, wells, control devices,
current switches/transformers, LonWorks Controllers, etc.
as required to comply with the Sequence of Operation
indicated in Specification Section 15985.
2.04
FLUE GAS TEMPERATURE INDICATORS
A.
2.05
Provide a thermocouple type flue gas temperature
indicator for each boiler. Thermocouple shall be located
on the boiler smoke box, and the indicator shall be flush
mounted in the burner control cabinet. Temperature scale
shall be graduated in 10°F increments, from 0°F. to
approximately 1000°F. Excess thermocouple wire shall be
coiled and secured within the control cabinet.
Installation shall be made in accordance with the
manufacturer's
written
instructions.
Flue
gas
temperature indicators shall be Preferred Instruments
Model JC11F.
SMOKE DENSITY MONITORS FOR BURNERS
A.
31
NYCSCA
Provide a system of smoke indicating equipment for each
boiler to provide continuous and accurate smoke
detection. Provide one dedicated remote audio/visual
annunciating alarm per boiler outside the Boiler Room
located adjacent to the main door of the Boiler Room.
Each remote alarm shall be powered from its respective
main opacity monitor. The alarm shall not have any delay
and the burner shutdown delay shall be 120 seconds per
FUEL BURNING/PUMPING EQUIPMENT
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05/15/15
DESIGN NO. _____
the NYC Bureau of Air Resources. Time delays shall be
fixed (i.e. shall not be adjustable).
B.
The Smoke Density Control shall employ a reflex light
principle whereby a focused light beam from the control
is directed at a unique reflector across the breeching.
The solid state photocell in the control compares the
level of light received with that transmitted. When smoke
is detected, the signal output shall be used to actuate
alarms, indicate on meters and recorders the accurate
density, shut off the burners. The combustion shutdown
shall be so designed that once it has been activated, the
burner cannot resume operation without manual reset of
the smoke density monitor. The smoke alarm shutdown shall
be wired in the flame safeguard, non-recycling limit
circuit.
C.
The control shall be designed for stability, simple
installation and trouble-free operation through the use
of
solid
state
circuits,
including
electronic
compensation
for
lamp
deterioration
and
voltage
variations.
A relay, with an adjustable set point,
accurate within 2%, shall actuate an alarm circuit when
the smoke density exceeds an acceptable level, and on
failure of the Control. A D.C. voltage output signal
shall be provided for recorders and meters.
D.
Manufacturers:
Smoke Opacity Monitor: Preferred Instruments Model JC30D, Hayes Cleveland Series A08700 Model A-08740
Remote Audible/Visible
Alarm:
Preferred Instruments Model SDAVB, Hayes Cleveland Model L05500-00
2.06
LEAD LAG PROGRAMMING CONTROL
A.
NYCSCA
Provide a lead-lag programming control to sequence
automatically the firing of multiple boilers with
changing load conditions. The sequence for start-up and
operation shall be such that the first (lead) boiler
starts-up and reaches its burner delivery (high fire)
rate. If the first boiler is unable to meet the steam
pressure, the second (lag) boiler shall automatically
fire. (On a three-boiler installation, the two lag
boilers shall be automatically alternated with each call
for operation). Both boilers shall operate in unison,
FUEL BURNING/PUMPING EQUIPMENT
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DESIGN NO. _____
modulating to meet the demand. If the demand is exceeded
by both boilers firing at low fire, the lag boiler shall
automatically shut down. The lead boiler shall shut down
when the demand has been exceeded. Selection of the lead
boiler shall be made either manually by means of a
selector dial on the control cabinet or automatically as
an electrical function of the programming control.
2.07
SEQUENCE OF OPERATION FOR BREECHING DAMPER
A.
During the period when there is no call for burner
operation by the boiler pressure operating control, the
breeching damper shall be maintained in the safe closed
position. Safe closed position shall be understood to
mean that the damper blade shafts have been rotated
approximately 70o from the fully open position.
B.
When the boiler pressure operating control calls for
burner operation, the following sequence of operation
shall take place:





1.
24
NYCSCA
On call for heat: outdoor air intake damper,
combustion air damper at burner and sequence draft
damper shall prove open, prior to pre-purge.
Sequence draft damper shall be driven to full open
position during pre-purge.
For ignition, the sequence draft damper shall move to
safe starting position. When the fuel oil valve opens,
draft damper control is placed under automatic draft
control.
During normal burner shutdown, the draft damper is
driven open for post purge and is closed at the end of
purging.
Safety burner shutdown shall cause the draft damper to
remain where it was at the moment of shutdown until
flame safeguard is reset.
Breeching damper shall move to safe starting
position, which shall be adjustable in the field.
On call for heat operation, the sequential draft
damper cycle shall be initiated; on proving open,
damper purge cycle shall start. Forced draft fan
and, where provided, induced draft fan shall start.
After pre-purge, safe starting draft must be proven
in combustion chamber before light off can take
place.
FUEL BURNING/PUMPING EQUIPMENT
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05/15/15
24
DESIGN NO. _____
2.
Forced draft fan and, where provided, induced draft
fan shall be controlled through auxiliary fan relay
in burner control panel.
3.
As soon as safe starting draft is established, the
flame failure control shall go through normal
sequence of pilot ignition, pilot proving, main
flame ignition and proving.
When main flame is
proved, draft controller shall modulate to maintain
constant combustion chamber draft, within .01" W.C.
of adjustable setting, regardless of firing rate or
atmospheric conditions.
4.
When
boiler
pressure
operating
control
is
satisfied, flame failure control shall de-energize
the gas or oil solenoid valve, shutting off main
flame.
Forced draft fan and, where provided,
induced draft fan shall continue to run for 15
second (minimum) Post Purge Period.
During this
period, breeching damper shall remain open to
permit venting of gases. After completion of post
purge period, breeching damper shall move to safe
closed position.
5.
At any time during an operating cycle, if the draft
in the combustion chamber should fail for any
reason, a signal light in the draft controller
shall so indicate and if draft is not reestablished within 5 to 7 seconds, the burner shall
be shut down.
6.
In case of flame or power failure or any emergency,
burner shall shut down and breeching damper shall
open fully and remain open. Burner and fan motors
shall shut down with burner lockout. Draft sequence
controller shall recycle after manual reset of
flame failure control.
20
24
2.08
22
TRANSFER OIL PUMPS
A.
NYCSCA
Provide factory-assembled, package type transfer oil
pumps. Assembled on a structural steel or cast iron base
shall contain the following:
1.
Two fuel oil pumps with motors
2.
One duplex oil strainer (100 mesh strainer basket)
3.
Two vacuum gauges (at inlet and outlet of strainer)
FUEL BURNING/PUMPING EQUIPMENT
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13
NYCSCA
DESIGN NO. _____
4.
Two pressure gauges (one at each pump discharge)
5.
Two relief valves (one at each pump discharge)
6.
High limit manual reset oil pressure switch (at
discharge of pump set)
7.
Pre-wired control cabinet
B.
Transfer oil pumps shall deliver the constant flow of the
capacity shown on the Drawings to a low pressure piping
loop which will convey the oil to the suction side of the
burner oil pumps and then back to the oil storage tank.
Oil flowing in the loop will be bled off at the
individual burner oil pumps for delivery to the burners.
Excess oil discharged by the transfer pumps and burner
oil pumps shall be returned to the oil tank via the
piping loop. Oil piping configuration shall be as set
forth on the Drawings. Under no circumstance shall the
transfer pumps be used as the burner fuel oil pumps for
atomizing the oil at the burners at high pressure.
C.
Fuel oil positive displacement gear pumps shall be of the
capacity shown on the Drawings. Pumps shall be mounted
on a steel channel base directly connected to the motors.
Pump shall have cast-iron housing, steel gears, bronze
bearings, steel shaft, and mechanical seals.
D.
Each pump motor shall be provided with a circuit breaker
and with a magnetic type motor starter. Pump selector
switch shall operate so that power to the non-operating
motor starter is disconnected when its circuit breaker is
tripped. In addition to the foregoing, each pump shall
be provided with protective and disconnecting devices,
and wiring to comply with NY City Regulations and Codes.
Also, the transfer oil pumps shall be wired through the
emergency break glass station switches for complete
shutdown of the pumps in the event of an emergency.
E.
Transfer oil pumps shall be wired to burner panels so
that when boiler is operating on oil, the transfer oil
pump shall start automatically. Transfer oil pumps shall
be automatically locked out when operating on gas. The
Temperature Control Contractor shall integrate transfer
pump system into the Building Management System/Direct
Digital Control, BMS/DDC, if BMS/DDC system is provided.
Upon any fuel oil pumpset failure and/or alarm condition,
the general alarm contact shall be closed and initiate an
alarm at the operator’s workstation. The Temperature
Control Contractor shall hardwire the digital input to
FUEL BURNING/PUMPING EQUIPMENT
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05/15/15
DESIGN NO. _____
the nearest available Lon controller or provide LonPoint
module or “gateway” as required to integrate the transfer
oil pumpset into the LNS network system as required to
provide integration and alarm functions as indicated in
Contract Specification 15985.
F.
Gauges and relief valves shall be as specified.
G.
Transfer Oil Pumps shall be installed on a concrete base
specified in Section 03300.
H.
Control Cabinet
I.
30
NYCSCA
1.
A galvanized or cadmium plated steel control
cabinet not lighter than No. 14 gage with hinged
front door shall be mounted on the pumps base.
Hinges shall be heavy duty with removable pins.
Switches shall be installed on the outside of the
front face of the cabinet. Each item of control
equipment shall be identified by engraved laminated
plastic nameplates.
2.
Cutouts shall be provided in the door to operate
the circuit breakers and the motor starter resets.
A wiring diagram of the pump shall be mounted on
the interior surface of the cabinet door.
3.
The control cabinet shall contain the following
equipment, all factory wired, as well as other
necessary hardware and devices: 3 pole circuit
breaker for each oil pump motor, magnetic starter
for each pump motor, pump selector switch, control
circuit fuse block, high limit oil pressure switch,
4 pole power supply terminal block, and required
number of terminals to wire necessary external
components.
4.
Exterior of cabinet shall be finished in gray
enamel. Cabinet shall bear building trades union
label.
Per Section MC 1305.3.4, appropriate safeties shall be
provided so that the detection of heat within the boiler
equipment room shall prevent additional fuel oil from
being pumped into the piping system within such room.
Provide fusible link operated lever gate valves in the
supply pipe at the wall of the boiler room. Per Section
MC 1305.13.3.3, rooms above the lowest floor containing
fuel oil tanks shall be equipped with automatic smoke
detection. Fuel oil burning equipment rooms shall be
FUEL BURNING/PUMPING EQUIPMENT
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DESIGN NO. _____
equipped with automatic heat detection in accordance with
Section BC 907 of the 2014 NYC Building Code. Div 16
Contractor (refer to Section 16720) shall wire heat
detectors to Fire Alarm Panel to automatically shut-down
the transfer pumps if excessive heat is detected.
Mechanical Contractor shall coordinate with Division 16
Contractor for transfer pump shutdown.
NYCSCA
J.
Per Section MC 1305.9.4, a drain pipe shall be installed
at the base of shafts enclosing the supply and
overflow/return piping. The pipe shall lead to a
dedicated sump or minimum 55 gallon container with a leak
detection alarm, arranged so as to sound an alarm and
stop the transfer pump. The alarm shall be connected to a
local audible alarm and to a remote alarm located at a
supervising station. The wiring shall comply with the NYC
Electrical Code. Per Section MC 1305.9.3, where it is
necessary to make horizontal offsets in the supply and
overflow/return piping and pipe shafts, including the
lowest level, such piping shall be enclosed in a sleeve
of other piping of at least No. 10 standard Gage steel,
two sizes larger than the supply piping and arranged to
drain into the shaft. Horizontal piping offsets shall
be further enclosed in construction having a 2-hour
fire-resistance rating except that no such enclosure or
pipe sleeve shall be required for the pipes serving the
equipment within the room containing the pump, tank, or
equipment where such room is itself enclosed with
construction and materials having at least a 2-hour
fire-resistance rating. Horizontal piping shall include
all piping at or above the roof level. No 2-hour fireresistance rated enclosure is required for horizontal
piping offsets located outside the building.
K.
A remote control shall be provided to stop the flow of
oil to any boiler equipment located on levels above the
lowest floor in buildings. Such control shall be located
outside the entrance to the room in which the equipment
is located and as close to such entrance as practicable,
except that when an outside location is impracticable,
such control may be located immediately inside the room
in which the burner is located, provided such location is
accessible at all times. All such controls shall be
permanently labeled: “REMOTE CONTROL FOR BURNER”, or as
appropriate to the oil-burning equipment. Reference
Section MC 1305.10.
L.
Transfer oil pumps shall be of the highest grade
manufactured by Preferred Utilities Manufacturing Corp.,
Viking Pump Division of Houdaille Industries, Inc.,
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 30
05/15/15
DESIGN NO. _____
Worthington Pump Co, Iron Fireman, Lonergan Pump Systems
Inc with Tuthill Pumps and EASCO/GPEG LD2D.
2.09
22
NYCSCA
FUEL OIL ACCESSORIES
A.
Per Section MC 1305.3.4, appropriate safeties shall be
provided so that the detection of heat within the boiler
equipment room shall prevent additional fuel oil from
being pumped into the piping system within such room.
Provide fusible link operated link lever gate valve in
the supply pipe at the wall of the boiler room.
Additionally, provide spring loaded lever gate valve in
the fuel oil supply line to the transfer pumps. Lever
gate valves shall be quick-closing, spring loaded, lever
gate valves held open by a wire with a fusible link
arranged so that the valves will automatically close if
the link melts. Valves shall be Preferred Utilities Mfg
Corp. Type 110.
B.
Strainers (Oil Burner): Provide simplex strainers in the
oil supply close to each burner (ahead of the magnetic
oil valve) and duplex at the fuel oil transfer pumps in
an accessible location. Strainer basket shall be 3/64"
perforated 100-mesh stainless steel installed in a heavy
gray cast-iron body.
Body shall be provided with an
easily removable cover, screwed or yoke fastened at the
top, and with a plugged, large size drain at the bottom.
Strainers shall be designed for operation on pressures up
to 15 pounds per square inch and tested hydrostatically
at 250-pounds per square inch. Strainers shall be of the
highest grade manufactured by Hayward Manufacturing Co.,
Kraissl Co., Preferred Utilities Mfg. Corp., Ray Burner
Co., O. C. Keckley Company, or approved equal.
C.
Relief Valves: Provide relief valves in the oil piping.
Valve bodies shall be one piece bronze construction
suitable for pressure to 300 p.s.i. Each relief valve
shall be equipped with a locking device to prevent
vibration from disturbing the setting after initial
adjustment has been made.
D.
Flexible metal connectors and hoses used where rigid
connections are impractical or to reduce the effect of
jarring and vibration shall be listed and labeled in
accordance with UL 536 and shall be installed in
compliance with its label and the manufacturer’s
installation
instructions.
Connectors
made
from
combustible materials shall not be used inside buildings
or above ground outside of buildings. Reference Section
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 31
05/15/15
DESIGN NO. _____
MC 1302.8.
length.
2.10
Flexible connectors shall not exceed 18” in
BOILER ROOM O.A.I. DAMPERS AND MOTORS
A.
1
B.
1
Parallel blade damper motors shall be spring return type
designed to operate with a transformer on single phase,
120 volt, 60 Hz service. Transformer shall have thermal
overload protection. Each damper (parallel blade damper,
fire damper, and smoke damper) shall be equipped with an
external type switch that shall be so wired into the
burner control circuit as to prevent the opening of the
main fuel valves unless all of the outside air dampers
are open.
C.
Provide electric wiring between each burner control
cabinet and its corresponding parallel blade outside air
damper motor.
D.
Per Sections MC 706.1.1 and FGC 304.9.2, each of the
appliances served shall be interlocked with the forced
mechanical air supply system to prevent main burner
operation when the forced mechanical air supply system is
not in operation. The air flow and all damper operations
shall be proven prior to burner operation.
1
E.
NYCSCA
The boiler room outside air intake opening shall be
divided equally into the number of sections corresponding
with the number of boilers.
Each section shall be
provided with (fire dampers and smoke dampers as required
per Sections MC 709.2 and FGC 304.10.1) and parallel type
multi-blade dampers, automatically operated by the burner
control for which they are intended. The parallel type
dampers shall open fully whenever the burner combustion
fan is operating and the parallel type dampers shall
close when the burner combustion fan is not operating.
Motors shall be securely mounted on the damper frame and
connected with linkage to the damper blades.
Per Section FGC 304.10.2, a sign stating, “Louvers,
dampers and/or ventilation openings must not be blocked
or disabled.” shall be permanently affixed, in clear
view, adjacent to the opening(s) within the room
containing the equipment. The letters used on the sign
shall be at least 1” in height.
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 32
05/15/15
2.11
DESIGN NO. _____
FIRE EXTINGUISHER
A.
2.12
Provide in location at each burner, one 5 pound capacity
BC dry chemical charge fire extinguisher. (Refer to
Section 10522: Fire Extinguisher and Cabinets).
FUEL BURNING AND HANDLING EQUIPMENT CONTROL POINTS
A.
13
Temperature Controls Contractor (TCC) shall provide
integration of monitoring and alarm functions by
providing control points as indicated in Section 15985.
Burner manufacturer shall provide gateway to convert from
their protocol to the LonWorks protocol (LonTalk).
PART 3 – EXECUTION
3.01
SUPPLEMENTAL INSTALLATION
A.
Electric Work:
1
1.
20
2.
NYCSCA
Mechanical Contractor to provide at a minimum,
burner, atomizing air compressor and transfer oil
pumps starters, control wiring, power wiring
connections from each burner control cabinet to
burner and atomizing air compressor and all other
items and accessories to make system fully
operational.
Equipment shall be provided with
terminal boxes to receive connecting conduits. The
use of wire nuts in lieu of terminal boxes for the
splice connections is prohibited.
All electric
work shall conform to the requirements of the
Bureau of Electrical Control, and other authorities
having jurisdiction.
File an application for
electrical inspection with the Bureau of Electrical
Control. At the completion of the electrical work,
submit with the application for progress payment,
the pink copy of the job posting card issued by the
Bureau of Electrical Control in connection with
each application for certificate of electrical
inspection.
Electrical wiring is under Division 16. Electrical
Contractor to provide power wiring to each burner
control cabinet, lead-lag programming control, each
transfer pump set and all other items and
accessories to make system fully operational. For
packaged assemblies, Mechanical Contractor to
provide terminals on the equipment to receive the
service wiring, together with motor starters,
contactors, protective and disconnecting devices,
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 33
05/15/15
DESIGN NO. _____
1
20
NYCSCA
and all other items and accessories, as required to
make the installations complete.
Mechanical
Contractor to provide all wiring between the
control cabinets and the burner equipment, burner
controls and emergency cut-out switches, low water
cut-offs, burner smoke density monitors, forced
draft fans, draft sequence equipment, boiler leadlag control and outside air intake damper motors.
3.
Conduit: Wiring shall run in conduit (per the NYC
Electrical Code), except the wiring in control
cabinets, and where flexible connections are
necessary. Wiring connections between each control
cabinet and the ignition assembly box shall be in
either standard conduit with oil impervious
gasketed connections or in flexible oil tight
conduit (Sealtite). Wiring connections between the
ignition assembly box and the burner motor, between
all motors and all other items and accessories
shall be in flexible oil tight conduit with
Scotchlok 2 connectors inside junction box. In
other locations, flexible metal conduit (Sealtite)
may be used for final connections not exceeding 3'
in length. Conduits shall be not less than 3/4"
standard weight galvanized steel conduit, large
enough
to
accommodate
the
wires
specified.
Flexible oil tight conduit (Sealtite) shall be U.L.
approved. No conduit shall be installed in contact
with the boiler room floor.
4.
Conductors:
a.
Conductors
shall
be
copper
of
98%
conductivity, and free of splints, flaws, or
other defects.
They shall be in accordance
with the NYC Electric Code, and with Bulletin
No. 8, 1963 of the Department of Water Supply,
Bureau of Electrical Control.
Conductors
shall be delivered in their original packages
or reels, which shall be marked with the
manufacturer's identification and date of
manufacture.
Conductors manufactured more
than one year prior to delivery at the job
will not be accepted.
b.
Wiring between the burner control cabinet and
associated equipment installed shall be type
THHN, 90o C, 600 volts.
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 34
05/15/15
25
3.02
5.
Magnetic Motor Starters (for packaged equipment):
Starters for control of the motors shall be
magnetic type and shall be equipped with proper
size thermal overload relays, and enclosed triplepole
(25-ampere
contactor)
magnetic
switch
providing overload and voltage failure protection.
Where motor starters with disconnect switches are
required, the starters may be combination type.
Where fuse protection are required, the starters
shall be equipped with proper size fuses.
6.
All electrical connections and all electrical work
in the gas meter room shall be explosion proof. The
Division 16 Electrical Contractor shall provide
Hand-Automatic
starters,
disconnects,
thermal
overload and accessories as required and as
specified in Section 16441: Safety Switches and
Section 16480: Motors, Control Equipment and
Circuitry.
B.
Boiler draft control signal piping between the boiler and
draft control shall be of size required by DEP BAR and
the equipment manufacturer. Cross tee's shall be used at
every directional change. Unused tappings shall contain
brass plugs.
The tapping used to obtain the draft
control signal shall be an over-fire draft tap. Taps at
the vent outlet of the boiler are not acceptable.
C.
Per Section MC 1004.3, clearances shall be maintained
around equipment and appliances so as to permit
inspection, servicing, repair, replacement and visibility
of all gauges. When equipment is installed or replaced,
clearance shall be provided to allow access for
inspection, maintenance and repair. Passageways around
all sides of equipment shall have an unobstructed width
as required by the manufacturer and in no case less than
18”, unless the boiler’s listing or department approval
or manufacturer’s installation instructions state
otherwise.
INSTALLATION OF THE SMOKE DENSITY MONITOR FOR BURNERS
A.
NYCSCA
DESIGN NO. _____
The Smoke Alarm unit and reflector shall be designed for
mounting on the flue, breeching, or stack as required.
They shall slip-fit on mounting pipe and lock in place
with an Allen head set screw and clamp respectively
fitted with a sealing rubber bellows between the Smoke
Alarm Unit and pipe nipple which is pressure tight. The
Control and Reflector shall be supported independently of
the breeching. The alignment of the Light beam must not
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 35
05/15/15
DESIGN NO. _____
be affected by thermal distortion or vibration of the
breeching, stack or flue.
3.03
B.
The light source and photoelectric receiver shall be
mounted on opposite sides in exact visual alignment.
Each shall be contained in an aluminum dustproof housing.
Provide pressure and glass lens caps for boiler smoke box
openings to make it pressure tight. Pressure caps and
their lenses shall be easily removable for cleaning.
C.
The location chosen for scanning across the stack,
breeching or flue must reveal the true smoke pattern.
Visual observation of actual smoke conditions should be
made at the point selected for mounting, before
installation and approved by the Authority. The location
should also be readily accessible for maintenance and be
within the ambient temperature limits of the equipment.
After the location has been selected, openings must be
made at directly opposite points in each wall.
The
diameter of these openings shall be in accordance with
the manufacturers’ installation instructions. Mounting
nipples shall be installed. To assure an accurate smoke
indication, the span of the light beam shall be adjusted
to approximately equal the inside stack diameter at the
point of smoke discharge.
D.
Provide pressure sealing bellows, glass or lens caps to
prevent blowout of combustion products.
INSTALLATION OF THE SPRING LOADED LEVER GATE VALVE
A.
22
3.04
Install the valve in a horizontal oil pipe run where
shown on the Drawings.
Run the trip wire with the
fusible link(s) over the fuel oil transfer pumps in an
accessible location. In applications utilizing long wire
runs with many fusible links, a weight should be added to
insure that the valve will close reliably and quickly.
FIELD QUALITY CONTROL/INTERDISCIPLINARY TESTS AND FUNCTIONAL
PERFORMANCE TESTS (FPT)
A.
Performance Tests
1.
NYCSCA
Performance tests are required upon the completion
of the burner installations.
Performance tests
shall be conducted in compliance with Part II of
the Engineering Criteria Fuel Oil Burning Equipment
for boilers having burner inputs equaling or
exceeding 2,800,000 BTUH.
Test holes 5/16" in
diameter shall be drilled in numbers and locations
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 36
05/15/15
DESIGN NO. _____
13
2.
approved
by
the
Bureau
of
Air
Resources.
Insulation (if any) around the test hole location
shall be removed from an area 4" by 4", dust
removed and exposed insulation walls painted.
Contractor
shall
submit
signed
functional
performance testing affidavit signed by the factory
authorized service representative indicating that
all of the manufacturer’s functional performance
tests have been successfully completed and that the
equipment is operating as designed. Refer to the
Drawings and Section 15985 since a BMS/DDC system
is to be provided and the equipment is to be
integrated into the BMS/DDC system.
Prior to the date of the scheduled performance test
to be conducted by the Bureau of Air Resources'
personnel, and on a date convenient to the
Authority, Contractor shall demonstrate that:
a.
The burner is limited by a means approved by
the Bureau of Air Resources to a burning rate
approved in the Work Permit.
b.
Induced draft fans, if any have their speed
adjusted on the job site to that required in
the plans or specifications.
c.
With breeching damper in open position, the
pressure drop across the damper does not
exceed 0.05" water column at high fire.
d.
The burner parallel positioning system is
adjusted so that the flue gas levels satisfy
B.A.R. Criteria.
e.
Demonstrate that the burner flame, at maximum
or "high" fire, does not impinge on any
refractory or boiler surfaces.
f.
The "turndown" ratio of the fuel burner shall
not be less than specified.
g.
All fuel burners shall "modulate" between low
fire and high fire.
The fuel burner shall
modulate to the low fire position and shut off
at low fire upon reaching the limit control
cut-off pressure.
h.
Calibrate the parallel
proportional controller.
24
NYCSCA
positioning
master
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 37
05/15/15
DESIGN NO. _____
3.
13
B.
C.
4.
Provide manpower, scaffolds, instruments, burner
operators and invite the Authority, as required to
perform a test of the operation of all the
installed equipment including a pre-performance
test similar to that described in the Bureau of Air
Resources Criteria.
This test shall precede the
actual performance test conducted by Bureau of Air
Resources personnel on their inspection date, by no
more than 10 working days. Contractor shall have a
licensed oil burner operator present at this pre performance test and at the final one.
5.
After the aforementioned adjustments are made and
all violations corrected, Contractor shall, on the
date designated by the Bureau of Air Resources,
return with all necessary manpower, scaffolds, and
any other items and accessories, all as above
listed and as needed to assist at the performance
test required by the Bureau of Air Resources
Supervisory Personnel: Provide field service personnel in
the employ of the Fuel Burning Equipment and Control
System Manufacturer for such time as required to put
installed equipment into operation. Supervisory services
shall include the following:
1.
Inspect fuel burner and control installations prior
to start-up.
2.
Supervise initial firing of burners.
3.
Boiler/Burner testing.
4.
Training of Personnel.
5.
Service.
Boiler Pre-Start Up and Start-Up Interdisciplinary Tests:
1.
NYCSCA
The Temperature Control Contractor shall test the
LonWorks
DDC
interface
gateway
system
and
demonstrate compliance with requirements of the
Specifications
to
the
satisfaction
of
the
Authority’s Facility Management Systems Integrator.
Replace all damaged and malfunctioning controls and
equipment.
Upon completion of boiler/burner and controls
installations, a manufacturers representative shall
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 38
05/15/15
DESIGN NO. _____
visit the site; inspect the installations and
notify the Authority’s Representative (and copy
CID) of any Work which must be done or modified
prior to firing boilers.
D.
6
NYCSCA
2.
Upon completion of required Work, or modifications
to installed Work and all pressure testing, the
manufacturer's representative, with the Authority’s
Construction Inspection Division shall supervise
the boiler/burner start-up. Start-up burner units
in accordance with the burner manufacturer's startup instructions and in the presence of a
manufacturer's representative.
3.
Fire the boilers and conduct a preliminary test,
for the purpose of checking general operation of
the boilers, proving mechanical and electrical
controls and making necessary adjustments, all in
the presence of the Authority Facility Inspection
Department and the Custodian (NYC Department of
Education). The Contractor shall submit a signed
start-up affidavit signed by the factory authorized
service representative indicating that all of the
manufacturer’s
pre-start
up
and
start
up
interdisciplinary
test
procedures
have
been
successfully completed.
4.
Provide pre-start up check list, start-up list and
operating instructions for each boiler, framed
under rigid plastic and place where directed in the
Boiler Room.
Boiler Tests: Manufacturer's representatives shall be
present for all specified boiler tests.
1.
Training of Personnel: Approved Fuel Burner and
Control System manufacturer's representatives and
Temperature
Control
System
Contractor
shall
instruct duly authorized personnel in the operation
and maintenance of the fuel burners and control
systems. Provide a period of 5 days (8 hours per
day), not to include travel time for on-site
instruction of personnel.
This time shall be
exclusive of all pre-start-up, start-up and service
call time.
Provide supervisors capable of
instruction, in all phases of fuel burner and
control construction, operation and accessories.
If more than one instructor is required to
adequately cover the overall subject (burners,
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 39
05/15/15
DESIGN NO. _____
controls and accessories), the instruction time
shall be consecutive not concurrent.
E.
3.05
Service: Provide the services of a competent field
service representative to furnish fuel burner/boiler
service to the facility.
Service must be available
within 48 hours from the time of notification.
ACCEPTANCE TEST
A.
3.06
Boilers/Burners shall not be placed in operation until
completion of construction, inspection and testing and a
Certificate of Compliance has been issued by the
commissioner. All final inspections and tests of
boilers/burners shall be subject to the provisions for
Special Inspections except for inspections and test made
by a qualified boiler inspector in the employ of the
Building Department or a duly authorized insure company
as provide in section 204 or the labor law.
COMMISSIONG OF STEAM BOILER BURNERS
A.
HVAC Contractor shall comply with the Commissioning
Requirements of Contract Specification S01660 for steam
boiler burners.
B.
For steam boiler burners, all testing for steam and
condensate piping, gas piping, oil fuel piping,
hydrostatic testing of boilers, and smoke test of boiler
chimney shall be completed prior to commencement of the
commissioning process.
28
20
END OF SECTION
BB:JV:RE
05/15/15
Notes to Specifier (Delete from Specification)
1.
Edit as required
2.
Edit as required.
3.
Use oil Pressure Atomizing for burners with the capacity of 20
gph or less of No. 2 fuel oil.
4.
Edit as required; use either air or pressure atomizing system.
5.
Delete if using pressure atomizing oil burners.
NYCSCA
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 40
05/15/15
DESIGN NO. _____
6.
Check with Project Engineer on the
training, 5 days shall be the minimum.
7.
Edit as required.
8.
Verify with the Plumbing Engineer the gas pressure available
at the site in order to determine if a gas booster pressure
pump is required for the project. Edit as required.
9.
HVAC Design Requirements No. 6.2.19, Gas or Oil
schematics must be utilized in Contract Drawings.
10.
Edit title; delete Pressure or Air Atomizing as required.
11.
The Authority must review the gas connection fee as defined by
the local utility prior to authorizing the use of natural gas
as the source of fuel for the boilers.
12.
The salvage of equipment scheduled to be removed is to be
addressed in the scoping/design phase of new projects. The
A/E of Record shall contact the NYC Department of Education
Central Repair Shops in order to determine whether there is
any interest in salvaging the components scheduled to be
removed.
Equipment designated to be salvaged shall be
specified by the A/E to be delivered by the Contractor to a
location designated by Shops. The specific equipment to be
salvaged and specific delivery location shall be precisely
detailed in the bid documents.
13.
For fuel burning equipment installed in schools with LonWorks
DDC temperature control systems. Edit as required. Steam
boilers should only be used on CIP projects as New
Construction and Major Modification projects will utilize gas
fired hot water condensing boilers. CIP projects will not be
provided with a BMS/DDC network. The integration of a steam
boiler into a BMS/DDC network would be for a special case
only.
14.
Delete paragraphs 12 & 13, if boiler BHP is less than 300.
15.
Edit as required if digital controls as defined in Section
15971 are to be used in the Classrooms and Offices when
replacing existing pneumatic controls. Standard is to
retain/repair pneumatic backbone when updating the terminal
pneumatic controls.
16.
Not used.
17.
Not used.
NYCSCA
number
of
days
for
piping
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 41
05/15/15
DESIGN NO. _____
18.
Not used.
19.
Not used.
20.
Edit as required for the type of fuel selected (No. 2 oil or
natural gas).
21.
Not used.
22.
Delete if the selected fuel for the boilers is gas.
23.
Delete if the selected fuel for the boilers is No. 2 fuel oil.
24.
Delete requirement for induced draft fan when this type of
system is not used in the project.
25.
Delete where the gas service is located outdoors.
26.
For burner projects, Engineer of Record shall insert the
required efficiencies into this Article from the referenced
boiler Sections and then delete references to the boiler
Sections.
27.
Edit as required if no BMS/DDC system is to be provided.
28.
This paragraph is intended for projects that must comply with
the NYC Green Schools Rating System (generally all capacity
projects) and the following CIP projects:
a.
b.
HVAC upgrades (boiler replacements/ BMS/DDC Systems
DDC-only systems/ AC upgrades, etc)
Temperature Control systems
29.
Designer shall show on the Electrical Drawing Set the required
wiring (twisted pair, AWG#16) from the boiler control panels
to the Alarm digital communicator (auto-dialer). Reference
Electrical Design Requirement 7.3.14.
30.
Edit as required. Fuel oil burning equipment rooms shall be
equipped with automatic heat detection in accordance with
Sections BC 907, MC 1305.3.4 and MC 1305.13.3.3.
Div 16
Contractor (refer to Section 16720) shall wire heat detectors
to Fire Alarm Panel to automatically shut-down the transfer
pumps if excessive heat is detected. Mechanical Contractor
shall coordinate with Division 16 Contractor for transfer pump
shutdown. The above is applicable to all CIP projects coupled
with a fire alarm replacement project or where the existing
fire alarm system is expandable.
NYCSCA
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 42
05/15/15
31.
DESIGN NO. _____
Drawings shall show the remote audio/visual alarms located
outside of the Boiler Room adjacent to the main door of the
Boiler Room.
NYCSCA
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 43
05/15/15
DESIGN NO. _____
LIST OF SUBMITTALS
SUBMITTAL
DATE SUBMITTED
DATE APPROVED
Product Data:
______________
_____________
Shop Drawings:
______________
_____________
1. Wiring Diagrams
______________
_____________
Test Report:
______________
_____________
1. Manufacturers Product Data
2. Installation Instructions
3. Capacities
1. Field Test and Inspection Reports
Certificates:
______________
_____________
1.
2.
3.
4.
DEP Permit
Burner Listing
DEP Certificate of Compliance
DEP Certificate of Operation
(or Registration as applicable)
5. Start-up and demonstration affidavit
Contract Closeout Submittals:
______________
_____________
1. Operating Instruction Manuals
2. Framed Piping and Wiring Diagrams
3. Maintenance manual
22
Maintenance Materials:
______________
_____________
Manufacturer’s Guarantees:
______________
_____________
* * *
NYCSCA
FUEL BURNING/PUMPING EQUIPMENT
(FOR STEAM BOILERS) 15592 - 44
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