H16.REV

CONDENSER WATER SYSTEM (Packaged Cooling Towers)

NOTE: FINAL COPY: JANUARY, 1987.

NOTE: USE THIS SECTION FOR PACKAGED AND MODULAR COOLING TOWERS.

Part 1 -	GENERAL

1)	WORK INCLUDED

A.	Work in this Section includes the providing of labor, materials, equipment and services necessary for a complete and safe installation in accordance with the contract documents and all applicable codes and authorities having jurisdiction for the following

NOTE: INDICATE ALL WORK TO BE COVERED BY THIS SECTION. EDIT PORTIONS OF WORK INDICATED TO SUIT PROJECT REQUIREMENTS

1.	Piping, cooling towers, pumps, cooling tower winterization system, make-up water system, and blowdown system

2)	RELATED WORK AND REQUIREMENTS

A.	Requirements of GENERAL CONDITIONS, DIVISION NO. 1 and Section GENERAL PROVISIONS FOR HEATING, VENTILATING AND AIR CONDITIONING WORK apply to all work in this Section

NOTE: EDIT TO SUIT PROJECT REQUIREMENTS. INCLUDE ONLY SECTIONS DIRECTLY AFFECTING WORK OF THIS SECTION

B.	Related work in the following Sections:

1.	PIPING.

2.	INSULATION.

3.	AUTOMATIC CONTROL SYSTEMS.

4.	MOTORS.

5.	MOTORS CONTROLLERS.

6.	VIBRATION ISOLATION.

7.	WATER TREATMENT.

8.	------.

3)	QUALITY ASSURANCE

A.	Cooling tower tests: Provide the services of an independent testing laboratory to perform a field test on each cooling tower as specified below. Submit six copies of test report

NOTE: REVIEW WITH ACOUSTICAL CONSULTANT. PROVIDE A DETAIL ON DRAWINGS IF CRITICAL

B.	Noise Criteria: Airborne noise emitted by the cooling tower shall not exceed the following sound pressure levels in dBA re. 0.0002 microbar for a free and unobstructed environment

1.	----- dBA at ---- ft from air inlet faces

2.	----- dBA at ---- ft from air discharge faces

3.	----- dBA at ---- ft from all other faces

C.	Pump tests: Manufacturer shall test pumps in the shop prior to shipment. For identical pumps, only one pump of each specified capacity need to be tested. Tests shall be in accordance with the Hydraulics Institute Test Code. Submit six copies of certified pump curves

4)	SUBMITTALS

A.	Shop drawings

1.	Cooling towers:

a.	Assembly drawings, materials of construction, support details, piping details, fan, drive, motor and full load motor deficiency

b.	Accessories: ladders, handrails, level controls, winterization system, vibration isolation and other accessories as specified, including complete wiring diagrams

c.	Performance data: Cooling capacity at specified entering conditions, cooling capacity with varying cold water and wet bulb temperatures and GPM's, actual required spray header pressure, full load motor efficiency, and sound pressure levels at distances specified

2.	Pumps: Assembly drawings, materials of construction, piping connections, seal, seal flush piping if required, motor, full load motor efficiency, grout, coupling, pump curve and NPSH required

Part 2 -	PRODUCTS

1)	PIPING

A.	Provide as specified under Section "PIPING", system design pressure: 150 psig except as noted

NOTE: FOR SYSTEM DESIGN PRESSURE ABOVE 150 PSIG.

1.	From ----- floor to ----- floor. 300 lb ANSI.

2)	COOLING TOWERS

NOTE: THIS SPECIFICATION IS SUITABLE FOR CLEAN WATER LESS THAN 120 F. CONSULT CHIEF ENGINEER FOR OTHER APPLICATIONS

A.	General:

1.	Completely factory assembled, piped and wired, requiring no field assembly except as noted

2.	suitable for installation in the space conditions indicated on drawings, including clearance for installation, operation, maintenance, and air flow into and out of tower. Cooling tower manufacturer shall certify tower for space conditions given

3.	Tower design and materials of construction, including fill, shall have a design life expectancy of not less than 10 years for the geopraphical location and atmospheric conditions of the installation. Towers shall be of bolted or continuously welded construction. Spot welded construction is not permitted. Towers shall be designed for wind load of 30 lb/sq ft, and in accordace with authorities having jurisdiction

4.	Except as noted, all steel components shall be galvanized conforming to ASTM Std. A525, Designation G-210, with all cut or welded edges given a protective coat of zinc-rich compound

5.	Fill shall be PVC; eliminators and louvers shall be PVC or steel. PVC shall be -- mil thick with maximum flame spread and smoke developed ratings of 25 & 50 respectively. Eliminators shall limit drift to not greater than 0.005 percent of scheduled flow

6.	Fans and drives: Except as noted, air flow shall be manually adjustable in the field through adjustable pitch fan blades, adjustable pitch drive or replaceable fan sheaves. Fans shall be statically balanced in factory and properly supported to prevent damage in shipment and rigging. Drive shall be designed for minimum 150 percent of motor horsepower. Provide galvanized steel guards for fans and drives. Acceptable fan and drives include

NOTES: DELETE INAPPLICABLE FANS AND DRIVES.

a.	Propeller fans: Cast aluminum.

b.	Centrifugal fans: galvanized steel or aluminum, dynamically balanced.

c.	Gear drives: provide oil level indicator and reservoir with fill and drain connections

d.	Power band drives: Specially designed for cooling tower service.

e.	V-belt drives.

f.	Direct drives: maximum 100 tons. Air flow need not be field adjustable.

7.	Motors: High efficiency totally enclosed type conforming to specification section, "MOTORS". Two-speed, single-winding type where noted.

NOTE: PROVIDE MOTOR HEATERS ONLY WHEN THE ADDITIONAL COST IS JUSTIFIED. MOTOR HEATERS CAN BE JUSTIFIED TO PROTECT RELATIVELY EXPENSIVE MOTORS OPERATING IN WINTER WHEN THE MOTORS ARE LOCATED WITHIN THE WET AIR STREAM. COORDINATE WITH ELECTRICAL AND CONTROLS DEPARTMENT

a.	Motor heaters: Provide 120 volt motor heaters to operate when motors are not operative and ambient temperature drops below 40 F. Provide all accessories necessary for a complete operating system, including transformer from line voltage to 120 volts, low voltage, disconnect, secondary fuses located in motor controller enclosure (provide over-size enclosure or utilize an extra section of motor cotrol center), terminal block for field connections

8.	Distribution orifices and spray nozzles: Plastic, individually removable for cleaning or replacement, capable of passing a 1/4" sphere (minimum 5/16" opening)

NOTE: SPECIFY GALVANIZED STEEL PIPE DISTRIBUTION HEADERS IN NYC. SPECIFY PVC ELSEWHERE

9.	Distribution headers (where required): Galvanized steel (PVC) pipe distribution headers and branches with external connection for measuring spray pressure. Required header pressure shall not exceed 5 psig.

10.	Fan and drive guards: Provide OSHA approved guards and screens around fans, drives and motors as necessary to protect people outside tower from injury due to moving parts. Provide warnings on access doors to caution operations as to hazards of moving parts

YPE

B.	Induced draft, vertical discharge type:

1.	Cold water basin: 304 stainless steel for all components, including collection basin bottom and sides, flanged outlet and equalizer connections as shown on drawings, ring flanges for outlet and equalizer, bolts and nuts, overflow pipe, drain connection, trash screen and anti-vortex device

2.	Balancing valves: Suitable for balancing flow to each water basin or for balancing to obtain required distribution header pressure, and for tight shutoff at 25 psig inlet pressure. Provide balancing valves with flanged connections and position locking devices

3.	Ladders, platforms, hand rails and access doors: Provide as necessary for ready access to all components, including balancing valves, hot water distribution basins or nozzles, cold water basin and all components located within it, motor lubrication fittings, gear oil level indicators, oil fill connections, oil drain valves, power band, etc. Ladders shall extend to within 12" of access level (roof or platform as shown on drawings). Ladder to fan deck shall be aluminum, with 1-1/4" steel pipe hand rail around fan deck. Ladders, platforms and hand rail shall conform to all OSHA requirements, including cages if ladders exceed 20 ft height or if shown on drawings. Provide access doors on both sides of casing

NOTE: EDIT TO SUIT PROJECT

4.	Accessories: Provide fan cylinder or casing extension for overall tower height as shown on drawings, vibration switch, removable galvanized steel covers for hot water basins (cross-flow towers only), galvanized steel inlet screen (cross-flow towers only), and FM (IRI) approval

5.	Approved Manufacturers:

a.	Cross-flow towers: Marley Inc. series 220 or Baltimore Air Coil series 3000

b.	Counter-flow towers: Marley Inc. Compac II.

C.	Forced draft, vertical discharge type:

YPE

1.	Cold water basin: 304 stainless steel for all components in contact with water including collection basin bottom and sides, flanged outlet and equalizer connections as shown on drawings, overflow pipe, drain connection, trash screen and anti-vortex device

NOTE: EDIT TO SUIT PROJECT.

2.	Accessories: flanged inlet connection for hot water, bird screen on inlet and bottom of unit, sound attenuators, vibration isolation rails and springs with corrosion resistant finish, discharge hood, flanged connection for ducted air inlet, flanged connection for ducted air discharge, and access doors on each side of tower

a.	Capacity control system: Fan discharge dampers with motorized actuator, basin water temperature sensor, and transformer from fan motor voltage to control system voltage

3.	Approved manufacturers:

a.	Centrifugal fan type: Baltimore Air Coil Series VT1000.

b.	Propeller fan type: Baltimore Air Coil Series VT2000.

NOTE: CROSSFLOW HORIZONTAL DISCHARGE TYPE COOLING TOWER (RANGE OF NOMINAL CAPACITIES 5 TO 175 TONS)

D.	Crossflow horizontal discharge type:

1.	Cold water basin: with connections for overflow, drain, outlet and makeup. Provide outlet strainer

2.	Fans: Propeller type, with galvanized steel blades and stainless steel shaft

NOTE: EDIT TO SUIT PROJECT

3.	Accessories: Air inlet screen, vertical discharge duct, hot water basin covers

4.	Approved manufacturers: Marley Inc. Aquatower 4800 series.

PUMP

3)	CONDENSER WATER CIRCULATING PUMPS

NOTE: PACKED SEALS ARE GENERALLY USED IN OPEN CONDENSER WATER SYSTEMS BELOW 50 PSIG SUCTION PRESSURE. [WHERE SUCTION PRESSURE IS 50 TO 100 PSIG, REVIEW WITH DEPARTMENT CHIEF ENGINEER. DO NOT USE PACKED SEALS ABOVE 100 PSIG SUCTION PRESSURE. USE MECHANICAL SEALS IN OPEN CONDENSER WATER SYSTEMS ONLY WHERE SUCTION PRESSURE EXCEEDS 100 PSIG

A.	General

1.	Factory assembled, packaged pump and motor of bronze-fitted, cast iron construction, single-stage except as noted, and suitable for scheduled conditions of service. Entire assembly shall be finished with primer or epoxy coating.

2.	Pump and motor capacities: Minimum as scheduled, suitable for parallel operation. Motor shall operate over entire head capacity range of pump without exceeding nameplate horsepower rating

3.	Pump characteristics: Pump curve shall rise continuously from maximum capacity to shutoff. Shut head shall be approximately 10 percent greater than design head. Operation shall be at or near peak efficiency. Pumps shall be capable of operating at 25 percent beyond design capacity without exceeding breakoff point. Impeller diameter shall not exceed minimum published diameter plus 90 percent of the difference between published maximum and minimum impeller diameters

4.	Casing: Close grain cast iron, 175 psig rated except as noted, with 125 pisg ANSI flanges on inlet and outlet, plugged drain and vent connections, and replaceable bronze wearing rings

5.	Impeller: Centrifugal type except as noted, totally enclosed, non-over loading, one-piece bronze impeller, with entire rotating assembly statically, dynamically and hydraulically balanced.

6.	Motor: High efficiency, ODP type conforming to specification secton "MOTORS"

7.	Abrasibe separator: except as noted, provide seal finish piping connections with stainless steel abrasive separator

8.	Bearings: Except as noted, grease lubricated or oil lubricated with oiler, moisture and dust resistant housing, minimum 20,000 hour B-10 life (100,000 hour average life) under scheduled conditions of service

B.	Horizontal Split Case Type:

1.	Double suction type with 416 stainless steel shaft, bronze impeller wearing ring of hardness to protect against galling, and bearing housing bolted and dowelled to bearing brackets. Shaft sleeves for packed seals shall have minimum hardness of 450 Brinell, and be of ceramic coated stainless steel or 17 percent chrome and stainless steel, heat treated and hardened

2.	Pump and motor shall be mounted on steel or cast iron baseplate suitable for grouting in place, with raised lip drip pan and tapped drain connection. Coupling shall be self-aligning flexible metal type with removable guard, similar to Waldron, Thomas, Falk, or Fast

EALS

3.	Provide packed seals as follows: Stuffing boxes, split lantern rings, water seal piping, extra heavy bronze packing glands and bronze or stainless steel studs

a.	Packing: Up to 50 psig suction pressure provide ring type, with minimum five rows, graphitized plastic similar to John Crane type 1065. From 50 - 100 psig provide combination rings, graphitized, non-asbestos material, and babbit foil arranged in accordance with manufacturer's recommendations, similar to John Crane type 101M

4.	Provide mechanical seals as follows: Single, inside mounted, end face rubber bellows type with stainless steel springs, brass or stainless steel seal heads, carbon-graphite rotating washer, renewable tungsten-graphite stationary seat, water flush type glands and stainless steel abrasive separator. Supply one spare seal of each size. John Crane Type 1 for suction pressure up to 150 psig. For greater suction pressures, provide John Crane Type 1B, balanced pressure type

EALS

5.	Worthington Types LN or LR, Peerless Type A or AD series 5100 or approved equal

C.	End Suction Type:

1.	Vertical split case type, fully serviceable without disturbing piping connections, with carbon steel shaft

NOTE: DELETE FOR CLOSE-COUPLED PUMPS

2.	Pump and motor shall be mounted on steel or cast iron baseplate suitable for grouting in place, with raised lip drip pan and tapped drain connection. Coupling shall be flexible with removable guard, similar to Waldon, Thomas, Falk, Fast or Woods

EAL

3.	Provide packed seals as follows: Stuffing boxes, split lantern rings, water seal piping, extra heavy bronze packing glands and bronze or stainless steel studs

a.	Packing: Up to 50 psig suction pressure provide ring type, with minimum five rows, graphitized plastic similar to John Crane type 1065. From 50 - 100 psig provide combination rings, graphitized, non-asbestos material, and babbit foil arranged in accordance with manufacturer's recommendations, similar to John Crane type 101M

4.	Provide mechanicals as follows: Single, inside mounted, end face rubber bellows type with stainless steel springs, brass or stainless steel seal heads, carbon-graphite rotating washer, renewable tungsten-graphite stationary seat and water flush type glands. Supply one spare seal of each size

EAL

NOTE: MINIMUM 20 PSIG DIFFERENTIAL REQUIRED FOR EFFICIENT OPERATION OF ABRASIVE SEPARATOR

NOTE: FOR ECONOMY PROJECTS.

a.	Abrasive separator shall be plastic, similar to John Crane "Kynar".

NOTE: FOR QUALITY PROJECTS.

b.	Abrasive separator shall be stainless steel.

c.	John Crane Type 1 for suction pressures up to 150 psig. For greater suction presssures, provide John Type 1B, balanced pressure type

d.	Worthington Type D-1000, Peerless Type F or approved equal.

D.	Vertical In-line Type:

1.	Split case type, supported by piping, completely serviceable without disturbing piping connections, with concentric inlet and outlet piping connections, and abrassive separators

2.	Provide packed seals and follows:

3.	Provide mechanical seals as follows: Replaceable Ni-resist stationary seat, carbon rotating washer, bronze shaft sleeve, stainless steel spring and all non-corrodible accessories. John Crane Type 1

4.	Peerless Type PV, Bell & Gossett Series - or approved equal.

E.	Vertical Turbine Type:

1.	Line shaft type with column pipe and line shaft of required length, required number of stages, cast iron bowls, suction bell, inlet screen, cast iron discharge head suitable for grouting into separable steel or cast iron base plate suitable for grouting into place, all necessary hardware for mounting and leveling pump, water slinger, provisions for drainage of seal flush piping back into sump, and separable motor with lifting lugs. Pumps shall be removable and fully serviceable in the field

2.	Bearings shall be bronze, grease packed, permanently lubricated, and protected from entry of sand and other abrasives. Provide intermediate shaft bearings as required to prevent whip. Provide thrust bearing to carry weight of all rotating parts plus hydraulic thrust

P rovide packed seals as follows: Stuffing boxes, split lantern rings, water seal piping, extra heavy bronze packing glands and bronze or stainless steel studs

a.	Packing: Up to 50 psig suction pressure provide ring type, graphitized, plastic similar to John Crane type 1065. From 50 - 100 psig provide combination rings, graphitized, non-asbestors material, and babbit foil arranged in accordance with manufacturer's recommendations, similar to John Crane type 101M

3.	Provide mechanical seals as follows: single, inside mounted, end face rubber bellows type with stainless steel springs, brass or stainless steel seal heads, carbon-graphite rotating washer, renewable tungsten-graphite stationary seat and water flush type glands. Supply one spare seal of each size

NOTE: MINIMUM 20 PSIG DIFFERENTIAL REQUIRED FOR EFFICIENT OPERATION OF ABRASIVE SEPARATOR

NOTE: FOR ECONOMY PROJECTS.

a.	Abrasive separator shall be stainless steel.

b.	John Crane Type 1 for suction pressures up to 150 psig. For greater suction pressures, provide John Crane Type 1B, balanced pressure type

c.	Worthington Type VTP, Peerless Type -- or approved equal.

4)	COOLING TOWER WINTERIZATION SYSTEM

NOTE: COORDINATE WITH COOLING TOWER DETAIL.

TYPE

A.	Provide electric type.

B.	Provide steam type.

TYPE

C.	Provide distribution by-pass piping to discharge into tower basin to prevent freeze-up in any part of basin or connecting piping. Provide necessary piping, insulation, controls, and wiring

NOTE: CHECK WITH COOLING TOWER MANUFACTURER FOR LOCAL AREA CONDITIONS AND FILL IN TEMPERATURES. CHECK WITH CHIEF ENGINEER

D.	Provide capacity sufficient to maintain basin water temperature at ----- with ambient dry bulb temperature at -----

NOTE: COORDINATE WITH ELECTRICAL DEPARTMENT.

E.	Controls:

1.	Thermostats: Provide 120 volt, single-pole adjustable type in cast iron well with S.S. element

2.	Low water cutoff: Provide probe type, stainless steel sheath with liquidproof outlet box

NOTE: FOR ELECTRIC SYSTEM. COORDINATE WITH THE ELECTRICAL DEPARTMENT

HEATER

F.	Immersion heaters: Provide first quality resistance wire embedded in refractory and encased in stainless steel sheath. Provide replaceable type elements to operate on

VOLTS

1.	120 volt, 60 hertz.

2.	208 volt, 3 phase, 60 hertz.

3.	460 volt, 3 phase, 60 hertz.

NOTE: FOR STEAM SYSTEM SPECIFY COIL MATERIAL.

VOLTS

G.	Provide steam sparge pipe in basin, as follows:

1.	Sparge pipe: Stainless steel.

2.	Inlet steam pressure: -----.

3.	Provide steam solenoid valve.

HEATER

NOTE: WHEN CONNECTING PIPING REQUIRES HEAT TRACING. COORDINATE WITH ELECTRICAL DEPARTMENT

H.	The following piping will be heat traced by electric resistance cable provided under Electrical Work

1.	-----.

5)	CONDENSER WATER MAKE-UP SYSTEM.

A.	Storage tank copper bearing steel type, welded construction, dished heads of a size, capacity and arrangement as indicated on drawings. Provide saddles, supports, piping connections as shown on drawings, gasketed 12 inch x 18 inch manhole and protected gauge glass for full height of tank, with shutoff valves and drain cock

NOTE: COORDINATE WITH ELECTRICAL DEPARTMENT.

1.	External type combination pump start and stop level controller to start either or both condenser water make-up pumps when tank level rises above high water level

a.	Provide ball float level controller within steel float chamber with slides on rod between 2 adjustable stops

b.	Suitable for 120 volt, 60 hertz and in accordance with ASME Code for Unfired Pressure Vessels

c.	Similar to Magnetrol Model TF-31.

NOTE: COORDINATE WITH ELECTRICAL DEPARTMENT. IF MAKE-UP PUMP HEAD IS HIGH, A MULTI-STAGE PUMP MAY BE REQUIRED

B.	Make-up pumps: As specified under Condenser Water Circulating Pumps, except as follows. Refer to schedules on the drawings for capacity and motor

1.	Provide pump with silent check valve and globe valve at discharge and recirculation orifice suitable to pass minimum flow of water as required to prevent overheating of pump under shutoff head operation

2.	NPSH: Maximum 8 ft at design point.

3.	Pump characteristic curve shall rise continuously from design point to shutoff

4.	Provide shut-off head minimum 5 percent greater than design head

C.	Back-pressure regulator: locate in common discharge of condenser water system make-up pumps. Valve and its controller shall maintain preset back pressure at inlet side of valve. As pressure increases above set point, valve shall gradually modulate open to maintain constant pressure.

1.	Provide pneumatic controller with indicator showing controlled pressure, stainless steel ball bearing type linkage, indicating gauges for supply and control air signals and adjustments of controlled pressure and throttling band

2.	Psig wsp rated, semisteel, with stainless steel trim. Maximum pressure drop shall be 10 psig. It shall be diaphragm actuated, spring loaded, with double seated parabolic plug, normally closed

NOTE: INSERT MINIMUM GPM.

3.	Capacity shall be minimum -----.

6)	WATER LEVEL CONTROLS

NOTE: FOR TOWERS USED ABOVE FREEZING TEMPERATURES AND INDOOR TOWERS

LEVEL

A.	Float controlled valves: provide 1 heavy duty type per basin, cast bronze with seamless copper or plastic ball

NOTE: FOR TOWER OPERATION EXTENDING BELOW FREEZING TEMPERATURE. COORDINATE WITH ELECTRICAL DEPARTMENT

B.	Electrode System:

1.	Provide 1 per basin with electrode actuating unit for make-up water and high and low water alarms

2.	Provide ice-free type electrode unit with 350 watt immersion heater and built-in and prewired thermostat. Provide 4 electrodes, stainless steel polyvinyl chloride insulated rods top mounted at level portion of tower basin. Provide suitable electric control relays for make-up water control

NOTE: FOR NON-PUMPED MAKE-UP WATER.

MAKE-UP

a.	Make-up water control: Unit shall open make-up water solenoid valve when basin water drops below low operating level. Unit shall close make-up water solenoid valve when basin rises high operating level

NOTE: FOR PUMPED MAKE-UP WATER.

b.	Make-up water control: Unit shall start make-up pump and open make-up water solenoid valve when basin water drops below low operating level. Unit shall stop make-up water pump and close make-up solenoid valve when basin water rises above high operating level

MAKE-UP

c.	Unit shall actuate high and low water alarms when water in basin rises or falls below operating levels

d.	Galvanized steel vented pipe cover around electrodes shall prevent water waves of surges from affecting electrodes

e.	Make-up control circuits and electrode heater circuits shall be suitable for 120 volts. Provide suitable transformers if required

f.	Provide controller similar to B/W Controller Corp. Type E-IF

LEVEL

Part 3 -	EXECUTION

1)	PIPING

NOTE: INCLUDE COOLING TOWER PIPING DETAIL ON DRAWINGS.

UMP

A.	Pitch condenser water return piping to drain tower.

B.	Provide drain valves as required to completely drain all piping exposed to freezing conditions

C.	Provide pitot tube taps as required for tower testing.

2)	PUMPS

A.	Level pumps in accordance with manufacturer's recommendations. Grout base-mounted pumps in place. For vertical turbine pumps, grout base-plate in place. Grout shall be non-shrink type, US Grout Corp. "Five-Start general purpose" or approved equal. Minimum grout thickness shall be 1 inch. Fill all voids completely

B.	For pumps with couplings, allign pumps in the field to within 0.002 inches using a dial indicator. Pump supplier shall submit written certification that pumps are properly aligned and operating

C.	Provide necessary piping to abrasive separator and water seal piping. Pipe drain connections to spill over floor drain. For vertical turbine pumps, pipe drip connections to drain back to pump

D.	For packed pumps, adjust impeller settings and packing glands daily for the first three weeks of operation

3)	COOLING TOWER TESTING AND BALANCING

A.	Balancing: Properly balance condenser water distribution to each side of each cell. Mark final balance position of flow control valves on durable tags

B.	Performance test and start-up: Perform tower field performance test in accordance with Cooling Tower Institute or ASME Power Code Test Procedures. Test shall be performed on site after tower is functional. Advise Owner and Architect two weeks prior to test date

1.	Provide independent testing agency to perform test. submit name and qualifications of agency for approval

2.	Provide all necessary labor, materials, connections, supervisory personnel and properly calibrated test instruments

3.	Should test fail to meet specified performance, modify as required and retest to demonstrate specified performance. Submit modifications for approval make any modifications as approved or directed at no additional cost to the Owner.

4.	Submit six copies of test report.