Section 221519 Air Compressors

Air Compressors ME- Building Group

SECTION 221519 – AIR COMPRESSORS

PART 1 - GENERAL

1.1 SUMMARY A. This Section includes installation requirements for all machine tool and equipment for Power Train. B. Related Sections include the following: 1. Division 22 Section "Common Work Results for Plumbing." 2. Division 22 Section "Meters and Gages for Plumbing Piping." 3. Division 22 Section "General-Duty Valves for Plumbing." 4. Division 22 Section "General-Service Compressed-Air Piping."

1.2 SUBMITTALS A. Drawings & Manuals: Within four (4) weeks of receiving a purchase order, the OEM shall submit one (1) hard copy and one (1) electronic set of prints to AME-PT engineer for Chrysler's approval. With shipment, the OEM shall supply and ship one (1) set of paper copy drawings with machine and one CD of drawings and operation and maintenance manuals to the responsible AMEPT engineer. Once installed and qualified, the OEM shall update and ship three (3) paper sets of operation and maintenance manuals showing component parts such as pumps, fans, motors, automatic valves, bearings, etc. to the plant representative as directed by the responsible AME-PT engineer. A signed copy of the Letter of Transmittal and a CD containing all "as installed" drawings of the equipment, operational maintenance manuals, and scanned electronic copy of all individual component specification ("cut") sheets and all spare parts lists to the responsible AMEPT Engineer. B. All floor plan drawings must show the complete plan view of the entire machine as it sets on the floor. Its base, including projections for leveling or anchoring, shall be shown in heavy dashed lines. Heavy solid lines shall be used for any and all projections above the base including tanks, housing, platforms, conveyors, load and unload locations, panels or any other part of the machine. Clearance for service, including panel and access doors (open position) shall be shown in the proper location. Show all locations of piping, drains, exhaust stacks, and air intakes. Ancillary equipment such as electrical panels and filters shall be shown in correct relation to machine and dimensioned. In no case shall the equipment be located so as to prevent ease of access for service or repairs of any component of the machine or ancillary equipment. C. The scale floor plan drawings shall be updated each time a revision is made and submitted for approval to Chrysler prior to altering the machine, ancillary equipment or orientation. D. All engineering drawings shall be developed using the CAD software and version agreed upon in CAA. All engineering drawings, upon successful completion of this project become the property of Chrysler Corporation.

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E. Maintenance Manuals in English shall also be developed in an electronic format utilizing Microsoft Word or Adobe Acrobat. All graphics must be embedded into the document, not linked. F. The OEM shall provide a recommended spare parts list for all of the supplied machines. Included in this list shall be a "where-used" list, current cost of parts, and lead-time in weeks. The spare parts list shall be per Chrysler TMS electronic format (Refer to web site). G. Field Utility routing to equipment and gages including planned placement of all cranes, pull boxes, disconnects, control panels, isolation valves, (including lockout valves), supports, flow balancing valves, flow meters, gages and anchors and sway bracing. Do not route utilities in the path of the automation such as gantries or in the path of any cranes. H. Wiring diagrams in controls submittals for all field installed wiring showing panel terminated insulation labels and color of wire. Refer to Controls Specifications I. All installation submittals must show code clearances such as 42 inches from front of a panel to any obstruction and 48 inches from the fronts of two opposed facing panels. J. All means of egress between equipment must have a minimum of 28 inches.

1.3 MOTORS (ADDITIONAL DRAWING RELATED SUBMITTALS) A. Provide motor efficiency and power factor at 75 percent and 100 percent load with voltage at motor terminals. B. Provide proposed thermal damage curve plotted in current (amperes) versus time in seconds. C. Provide motor starting curve plotted in current (amperes) versus time in seconds. D. Nameplate horsepower rating. E. Maximum noise level. F. Service factor (minimum 1.15) G. Rated current, KVA, efficiency, and power factor. H. Rated RPM. I. Recommended trip settings for voltage protection relays.

1.4 AIR COMPRESSORS A. Volume flow at 95 degrees F entering air temperature B. Guaranteed utility consumption C. Estimate surge D. Maximum horsepower Page 2 of 11 Revision Date: 01/21/14 Project & Bid Package File name: 0ada75a081128048bd6093aca8bdb775.doc Air Compressors ME- Building Group

E. Potential capacity for compressor frame F. Capacity guarantee point when operating at conditions stated in the Architectural Engineering documents. G. Cooling water flow rate, gpm H. Cooling water temperature rise, degrees F. 1. Provide manufacturers operating instructions in both an electronic format and hard copy format including 2. Instructions for unpacking and storing I. Controller characteristics e.g., ratings, conditions for applications and service, control functions, protective functions and options included. J. Safety precautions and procedures before and during installation, starting adjustments, and maintenance. K. Environmental recommendations L. External control and power wiring, including grounding. Refer to Controls Specifications. M. Recommendations to optimize immunity to electrical noise N. Listings of phenomena external to controller that can cause malfunctions or dangerous conditions, with suggested corrective actions. O. Troubleshooting procedures with symptom/cause-effect and corrective recommendations, based on manufacturer's recommended smallest replaceable units. P. A complete sequence of operation Q. Test Data 1. Check out test for compressor 2. Checkout test for motor 3. Controller and integrated assembly tests 4. Compressor Sound Level 5. Auxiliary wiring checks to ensure wiring correctness and continuity.

1.5 QUALITY ASSURANCE A. Installations shall comply with all National and local codes. B. Installations shall comply with Chrysler standards. C. Provide recommended settings for adjustable components. D. Provide graphs showing discharge pressure in psia versus volume flow in scfm, and power input in KW versus volume flow in scfm for unthrottled flow, Unthrottled flow, estimated surge and throttled flow at 124.3 psia for the conditions listed in this specification Page 3 of 11 Revision Date: 01/21/14 Project & Bid Package File name: 0ada75a081128048bd6093aca8bdb775.doc Air Compressors ME- Building Group

PART 2 - PRODUCTS

2.1 ELECTRIC MOTOR DRIVEN COMPRESSOR A. This specification does not attempt to define in detail the arrangement or number of stages to be used in the compressor design. If a manufacturer has more than one model or type of compressor which meets the intent of these specifications but, because of design considerations, one model offers a different first cost or different operating economies, the manufacturer is encouraged to submit an alternate bid with a life cycle analysis for the Owner's evaluation. B. Provide motor driven, multi-stage centrifugal air compressor(s) with inter stage cooler(s) and oil lubrication systems after cooler in assembled units in a quantity and nominal capacity and pressure rating as scheduled in the Architect Engineer documents. C. Provide integral control panels with microprocessor controllers. D. Provide a main terminal box, NEMA 12 having a gasket cover, brass or stainless steel fasteners and hardware for motor terminations. Terminal box shall permit easy termination of motor leads, surge protective equipment, current transformers, and incoming service. E. Equipment must be painted prior to shipment to the plant.

2.2 MISCELLANEOUS COMPRESSOR COMPONENTS A. Inter coolers and after coolers each with moisture separators (machine mounted, piped and wired) B. Oil coolers, oil pumps and oil reservoir (machine mounted, piped and wired) C. Oil heaters (machine mounted, piped and wired) D. Oil mist eliminator (machine mounted, piped and wired) E. Blow off valve and inlet throttle valve or variable speed drive (machine mounted, piped and wired) F. Air discharge check valve (machine mounted, piped and wired) G. Air blow off silencer (shipped loose) for field installation H. Compressor control system and control panel (machine mounted, piped and wired) I. Compressor Motor Starter - Shipped loose, for remote installation. Recommended types are: Wye Delta, Solid State and Direct On Line. J. Monitoring and protective devices (mounted and wired for machine mounted devices) K. Air intake fitter unit (shipped loose) for field installation. L. Motor starter for auxiliary tube oil pump (control panel mounted and wired) M. Moisture trap for each air cooler, piped with valved bypass and level alarms (mounted piped and wired) N. Oil temperature control valves for oil coolers Page 4 of 11 Revision Date: 01/21/14 Project & Bid Package File name: 0ada75a081128048bd6093aca8bdb775.doc Air Compressors ME- Building Group

0. Cooling water assembly piped to a single point connection for components requiring service

2.3 CENTRIFUGAL COMPRESSOR DESIGN A. Equipment shal be single inlet, multistage, with integral gear rated for a design pressure of 125 psig unless scheduled otherwise in the Architect Engineer documents. Unit shall be geared for the electric motor drive, complete with flexible shaft coupling. B. Compressor housing shall be manufacturer's standard construction, designed for not less than 1-1/2 times maximum operating pressure. Hydro-test housing for minimum 225 psi. Impellers shall be statically and dynamically balanced and of stainless steel construction. Impellers shall be rated for not l ess than 115 percent of normal operating speed and shall be keyed or shrink fitted to drive shaft or attached to the pinion through a polygon and bolt arrangement. Gear drive system shall be high speed horizontal parallel shaft type helical gears rated for minimum drive efficiency of 98 percent, and constructed in accordance with AGMA approved standards for service factor of 1.4. Radial shaft bearings shall preferably be tilting pad design with renewable liners and shells. Thrust bearings shall be multi-segment type designed for thrust in any direction and adjustable for axial position on drive shaft. Bearings shall be designed for pressure lubrication with adequate provision for proper drainage. Shaft couplings shall be lubricated, flexible gear type with crowned teeth and provisions for take-up of axial shaft displacement and angular misalignment. Couplings shall be provided with OSHA approved drive guards. Air seats shall be labyrinth type or segmented carbon. Oil seats shall be labyrinth or carbon ring staggered type. Adjacent air and oil seats shall be separated by vented or pressurized air space. C. Entire compressor assembly shall be mounted on an integral cast iron or structural steel base plate as a complete and tested and operational unit.

2.4 AUXILIARY EQUIPMENT A. Unit shall be equipped with a force feed lubrication system to serve both the compressor and induction motor driver. System shall include a shaft driven main oil pump and an electric motor driven auxiliary standby pump, and twin oil filters. Each sized for full flow and provided with inlet and outlet pressure gauges and transducers, oil valves and fittings, electric switches, safety devices, oil mist elimination and other equipment as needed for a complete system. 1. Quote self lube grease flood bearing as an option. B. Main oil pump shall be shaft driven and capable of operating in either direction and complete with pressure regulating and bypass valves. C. Auxiliary oil pump shall be driven by an electric motor and shall be self- priming, submerged type, complete with automatic pressure switch cut-in upon failure of main pump or drop in oil pressure. Drive motor shall be in accordance with Chrysler standards for industrial equipment NPEM-100. T frame motors are not acceptable. D. Oil reservoir shall be sized to provide full oil storage for unit under shutdown and normal operating conditions, with not less than 1 minutes retention time based on full flow rate. Reservoir shall be complete with inlet, outlet, drain, and fill connections, gasketed and sealed.

Fill opening shall be fit with an expanded metal strainer. Furnish oil level gauge glass and oil and water temperature RTD's and pressure gauges and transducers. Identify ISO oil label for oil type. Oil piping shall be pre piped with joints either back welded or incorporating SAE straight thread connections with 0-rings to prevent oil leaks. E. Oil filters shall be duplex full flow units piped in parallel, rated for 10 microns, with maximum clean oil pressure drop of 2.5 psig, complete with isolating valves and fittings, and inlet and outlet pressure gauges and transducers. Suggested filter "MB style" as offered by Mitsubishi. F. Oil coolers shall be sized for 100 percent capacity of total cooling load, and shall be shell and tube type with removable heads, water through tubes. Tubes shall be constructed of admiralty metal or copper allow and shall not be less than 3/8 inch diameter. Each cooler shall be provided with a self- regulated AMOT type temperature control valve. Cooler connections shall be flanged not screwed. G. Oil heaters shall be provided to heat lubricating oil from a 40 degrees F ambient up to full operating temperature within 20 minutes. Heaters shall be electric immersion type rated for 480 volt service, complete with contactor, control and limit thermostats all mounted and wired. H. A complete automatic demister system shall be provided on oil storage reservoir. Demister shall be American Air Filter Dynapure unit, Monsanto Cartridge type or approved equal. I. Interior of system including gears and seals shall be thorough cleaned at the factory and rustproofed and sealed to prevent entrance of dirt, water etc. J. Provide inter stage coolers with integral stainless steel mesh moisture separators between all stages and these shall be complete with condensate level devices. Tube and baffle material shall be 90-10 copper-nickel construction and separators will be minimum 316 stainless steel. Provide alternate for Cooper-type as an alternate price. K. Provide an after cooler and moisture separator. The air pressure drop across the unit shall not exceed 1.5 psig at any flow rate that the compressor can deliver. After cooler shall be selected based on cooling the discharge air to within 15 degrees F of available entering cooling water temperature with a 0.001 water side and 0.0005 air side fouling factors. Tube sheet and baffle material shall be 90-10 copper-nickel. The manufacturer may propose alternate materials in the proposal forms. Moisture separators shall be constructed of minimum 316 stainless steel. If the after cooler is an external device it must be an ASME stamped and certified shell & tube type with a removable bundle. Suggested suppliers are R.P. Adams series Cy-S, Wright-Austin with Boundary Layer Control 311 series. L. Provide automatic moisture traps for each inter cooler and each after cooler with condensate level devices and with a valved bypass arrangement with a connection to permit testing of the trap and replacement while the compressor is running. The internals of the trap shall be able to handle condensate with a ph of 4 and shall be a minimum 316 stainless steel. Each trap shall be provided with a condensate level alarm float with a double pole- double throw contact suitable for control alarm and diagnostic voltages. M. Provide discharge silencers if required to meet the specifications and rated for the full maximum capacity of the compressor at a maximum pressure drop of 5 psig. Units shall be of an all welded outer shell with slip on weld mating flanges. Unit shall provide a no flow Page 6 of 11 Revision Date: 01/21/14 Project & Bid Package File name: 0ada75a081128048bd6093aca8bdb775.doc Air Compressors ME- Building Group

attenuation of not less than 27 decibels. Suggested suppliers are Burgess Manning, Kittel, Universal Silencer Corp. N. Provide 5 inch diameter liquid filled adjustable to any angle thermometers with separable wells and plastic disc, stem length to suit service and range selected to match measured and extreme temperature ranges. Suggested suppliers are Trerice or Ashcroft. O. Provide pressure gauges with 4-1/2 inch diameter liquid filled type with bourdon tube, plastic lens and white face with black graduations from 0 to 220 psig. Provide gauge cocks on all connections to pressure gauges. Suggested suppliers are Trerice or Ashcroft. Operating range to be shown in green and on associated tag. P. Provide a discharge check valve with positive closure, stainless steel seat and trim and flanged iron body, rated for service pressure and size not less than the compressor discharge connection and shall be machine mounted. Q. Provide a normally open blow off valve with noise reduction to meet Chrysler sound specifications. Suggested suppliers Fisher, Jordan Valve, Neles Jamesbury. Limit switches shall be provided on the blow off valve to prove the valve is in the wide open position as part of the start circuit. R. Provide pressure gauges and transducers on cooling water manifold inlet, and cooling water manifold outlet. S. Provide sight flow indicators for after cooler water outlet pipe and cooling water manifold outlet piping. T. Provide thermometers and transducers at air compressor intake, after cooler air inlet, after cooler air outlet, oil cooler oil inlet and oil cooler oil outlet (for each unit), cooling water inlet and outlet of water manifolds, cooling water inlet and outlet of after coolers, discharge air outlet. Provide one site flow indicator. U. Provide vibration probes mounted on equipment with sufficient cable to allow connections without splices. Vibration probes shall be two step with alarm set point and shut down set point with indicating meter set in mils. A device shall nullify the effect of higher vibration during compressor start. Provide one probe per impeller. Suggested supplier Bentley Nevada. V. Provide oil pressure switches which are two step and shall be mounted external to any control panel. Oil pressure switches shall be connected to the lubrication system piping to the compressor and gear unit. Upon falling oil pressure, the switch shall start the auxiliary oil pump and indicate same on the annunciator panel (low oil pressure). De energize air compressor main drive motor if pressure drops to second level and indicate (very low oil pressure) on the annunciator panel. W. Provide In-Line air intake filters which are 2-stage, dry type with radial type elements in the first stage and second stage. First stage shall be designed to not exceed a velocity of 25 FPM through the element. The first stage shall remove 98 percent of particles 10 microns and larger. The design shall allow changing elements without shutting down the compressor. Second stage shall be designed to not exceed a velocity of 20 FPM through the element. The second stage shall remove 98 percent of particles larger than 1.5 microns. The pressure drop through the filters shall not exceed 3 inches water gauge while clean and shall be

capable of handling a pressure drop of 15 inches water gauge without failure. Filter housings shall permit non-proprietary filters to be installed. Provide a differential pressure switch across the intake filters. 1. Provide alternate for inlet filters for roof installations. a. Particles 10 microns and larger: 98 percent efficiency on first stage. b. Particles 2 microns and larger: 99.97 percent efficiency on second stage. c. 3 inches water gauge maximum pressure drop.

2.5 CONTROLS A. Each centrifugal compressor control system shall consist of pneumatic, electronic, electric circuits designed to operate the equipment safely and efficiently. The control system shall include distributed capacity control. The compressor manufacturer shall furnish all control and monitoring devices which are mounted on the machine either at the factory or in the field. B. The control panel for each compressor shall be a direct mounted unit and shall be completely factory assembled with integral pneumatic and electric connections pre piped and pre wired to the compressor control elements as a complete operative and tested assembly. The control panel must be approved by Chrysler Controls Group. C. The control panel enclosure shall be rigid sheet metal with all components above 115 volt shall have clear plexiglass shielding with openings for test probes. Each section shall be provided with a full height, hinged, formed door and gasket as required to provide a NEMA 12 enclosure. The inside of the electrical panel door shall be provided with a print pocket as well as spare fuse holders with spare fuses. Each section of the enclosure shall be provided with a back panel which shall be used for mounting of control devices. The enclosure shall be cleaned, primed and finish painted per Chrysler paint standards. D. Furnish a microprocessor based control capable of operating at ambient temperatures between 0 and 110 degrees F. This control shall include automatic operating, automatic warning, protective control and continuous monitoring for the compressor and it's auxiliaries. The system shall have multivariable, multilevel functions designed for operation as a stand-alone processor capable of implementing control sequences, communications network, alarm and monitoring with an AS 485 simplex communication port for interface from a building energy management or master control system. The control shall include a battery backup capable of retaining on board memory for up to1 year and provide low battery warning. E. The control shall allow the following functions; set point for local or remote control, unload, modulate, automatic dual control regulation, high motor load unit and low load surge control. The unit must include as a minimum, fused disconnect switch, auxiliary trip contacts, motor starter interlock contacts, control transformer, alarm horn and light, oil lube pump interlock contacts, oil heater interlock contacts, remote setpoint pressure control, motor watt tranducer and read out, status contacts, and alarm contacts. F. The compressor control circuit shall be designed so the motor cannot be started unless the compressor manufacturer recommended start permissives are satisfied. G. Provide a pneumatic bulkhead at the bottom of the control panel to serve as connection points for external piping. Connection points shall be 1/2 inch NPT minimum and designed to handle 95 psig control air. Provide a filter regulator ahead of this bulkhead to allow adjustment to 95 Page 8 of 11 Revision Date: 01/21/14 Project & Bid Package File name: 0ada75a081128048bd6093aca8bdb775.doc Air Compressors ME- Building Group

psig. H. Capacity control shall be provided via inlet vanes or variable speed drives or other approved methods to efficiently maintain the system pressure without surging. I. Compressor manufacturer shall furnish current and potential transformers to the contractor to be installed in the motor terminal box. J. Push buttons and 24Vdc pilot lights, LED shall be provided at a minimum for the following; indicating light (green) for the auxiliary oil pump, lighted control panel on/off selector switch, start/stop buttons with indicating lights for the main drive motor, indicating light for the oil heater. Push buttons shall be the heavy duty, oil tight, industrial type with the required number and type of contacts suitable for the service to which they are applied. Pilot lights shall be heavy duty, oil tight, push to test type. Each pushbutton and pilot light shall be provided with a mechanically fastened nameplate briefly describing its function. All Controls must be 24Vdc. Display warning lights, information and indications on Controller LCD Screen with 640x480 pixels. Buttons, command inputs, and all operational interface are through the Controller Membrane. K. Plastic pneumatic tubing is allowed only within the operator’s panel and must be neat and organized and labeled. Solid tubing with compression fitting must be used for all other applications L. Provide control circuit transformers as required to NEG standard type 1. Control transformers shall have a spare capacity of 25% above known requirements, M. Terminal strips shall be provided for separate power terminations. Control wiring shall be a minimum 14 AWG type "THWN" Utilize rigid galvanized conduit with sealed connections for all control wiring. N. Monitored analog control points shall include: system air pressure, inlet filter differential pressure, compressor flow, motor power, inlet temperature, final stage discharge temperature, after cooler discharge temperature, discharge pressure, oil temperature, oil pressure, vibration, motor stator temperature, motor bearing temperature, inter cooler water return temperature. Digital inputs shall include motor running, inlet filter running if motorized, cooling water flow (from switch), cooling water isolation valve position (from limit switch), low oil level, condensate level for each stage, seal air pressure, control air pressure O. Output analog control points shall include inlet guide vane, blow off/anti-surge/by-pass valve, modulating oil temperature control valve. Output digital signals shall include motor start, motor stop, inlet filter motor start/stop, cooling water solenoid valve, pre lube/auxiliary pump, alarm horn, alarm light.

2.6 FACTORY TESTING A. Unit shall be completely assembled and run tested at the factory prior to shipment. Chrysler reserves the right to witness the final compressor test at the factory. Provide written notification of the test schedules to the Chrysler project engineer 10 days in advance of the test runs. B. Completed compressor unit shall be tested by the manufacturer at their factory to determine its compliance with these specifications both in respect to noise and Page 9 of 11 Revision Date: 01/21/14 Project & Bid Package File name: 0ada75a081128048bd6093aca8bdb775.doc Air Compressors ME- Building Group

performance. Performance of the equipment shall be tested by checking bearing temperatures, lubrication, vibration and other significant mechanical characteristics. Power consumption and flow characteristics shall be measured in accordance with the latest applicable ASME power test code. Test conditions shall be as listed for "Compressor Performance Data" at the capacity guarantee point, when corrected to specified pressure and flow conditions. The power input shall not exceed input as shown on the bid proposal form by more than 4 percent. In the event the compressor fails to perform in accordance with this guarantee, the manufacturer shall make such modifications as are necessary to comply. Copies of the test results shall be supplied to the Architect Engineer and the Chrysler project engineer. C. Testing shall include motor testing for the resistance of armature, polarity of coils, high potential test on field and armature, measurement of air gap by gauge, and dynamic balancing. D. Noise tests predictions for the compressor, motor and auxiliaries in terms of dB(a) shall be submitted with the proposal form and actual sound tests shall be performed per Chrysler specifications. Note, sound level shall be 80dB(a) or less. Manufacturer shall provide all sound abatement to attain this condition.

PART 3 - EXECUTION

3.1 EXAMINATION, DELIVERY, STORAGE AND HANDLING A. Examine all non-priced proposals for clarification of shipped loose items and field mounted items. B. Examine shipments prior to unloading and report all damaged or missing items to the appropriate Chrysler project engineer. Use Nitrogen emitter pads, and desiccant pads at openings to prevent moisture entry into the compressor. C. Examine roughing-in location for equipment for properly cured foundations and for available central utilities. D. Examine utilities to verify what other equipment will be affected by any utility tie-ins. Coordinate these tie-ins so as not to affect scheduled production or scheduled debug or scheduled qualifications. E. Verify submittal drawings have been approved. F. All equipment delivered to the project site must be unloaded promptly and placed in its intended rough in location or at a minimum inside of a facility which provides protection from the elements. G. All equipment must be inspected to assure that the equipment drawings are included with the shipment which identifies the required information to allow a quick and accurate installation. Failure to find these drawings must result in notification of the appropriate Chrysler project engineer. H. Proceed when conditions have been verified and coordinated.

3.2 APPLICATION A. Install equipment, in accordance with designations and locations indicated on Drawings and per the directions of the manufacturer’s representative. B. Manufacturer's representative shall include the cost of supervising the installation including fluid fills and providing all check test and start of equipment C. Compressor manufacturer shall include a training video for the equipment being used and shall provide two separate training sessions for the operators of the equipment. The training shall be done on all shifts to allow a 24/7 operation of the compressors. D. Rough in equipment; verify location and final level equipment prior to installing utilities E. Install utilities and supports for equipment and auxiliaries. F. Mark all leveling devices once final leveling is complete to record the proper set points of all jam nuts. G. Extend all condensate drains and auxiliary drains to the nearest trench drain or floor sump to minimize flow of fluids on floors. H. Purge all air from all coolers and fill all fluids with Chrysler approved fluids and per the manufacturer's recommendations. I. Attach Temporary (paper) Safety Placards prior to power up and Final Safety Placards when available.

3.3 ADJUSTING AND CLEANING AND LABELING A. Adjust coolant flow balancing valves to manufacturers recommended flow rate and set memory stops. Inspect all fittings and valves for leaks. Replace damaged or leaking, fittings, and valves. B. Verify all check valves hold and do not allow flow in the wrong direction. C. Label all piping and voltages per Chrysler standards. D. Clean all equipment and touch up paint as required for final acceptance from Chrysler.

3.4 PROTECTION A. Provide protective covering for stored equipment. B. Do not allow use of equipment for temporary facilities, except when approved in writing by Chrysler

END OF SECTION

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