Scope_of_Work_ _Exhibits.pdf

GSA Public Buildings Service Greater Southwest Region Dallas /Fort Worth Service Center Fort Worth, TX Office

SCOPE OF WORK

Replacement of two (2) 250 Ton Chillers

TX0019ZZ

Jack Brooks Federal U.S. CTHS Beaumont, Texas Date: December 2, 2015 Prepared by: Dana Ulanoff/Frank Campagna

The contractor shall provide all materials, supplies, labor, equipment and supervision, necessary to complete the demolition and alterations stated below. (See attached Exhibit A and B for reference)

NEW CHILLERS

250 tons of cooling (2 ea) Evaporator EWT/LWT (F) 54/44 Evaporator GPM - 596.3: Pressure Drop NTE 7.53 psi Condenser EWT/LWT (F) 86/96 Condenser GPM – 717.1: Pressure Drop NTE 8.77 psi

Note: Minimum three (3) compressors per Chiller Chiller submittal shall be submitted with Proposal Chiller efficiency (IPLV) shall be equal or better than the specification in Exhibit A

A. Demolition

1. Remove and dispose of properly two (2) each 250 ton water cooled chiller located in the mechanical room of the Jack Brooks CTHS.

2. Remove and disconnect all electrical, piping and associated equipment for existing

CHW & CW pumps.

3. Remove and reclaim refrigerant from an existing two (2) each 250 ton water cooled chiller.(Chiller #1 & #2)

4. Disconnect all electrical, controls, piping and associated equipment to chiller.

Remove all unused conduit/wiring back to panel boards and provide knock-out plugs at all unused openings.

B. Alterations A. Chillers

1. Provide and install two each 250 ton nominal capacity triple compressor water cooled magnetic bearing chiller. One chiller must be operational two days before the install on the second chiller begins.

2. Installation shall be/have but not limited to:

i. Equal to or better than SMARDT Frictionless Centrifugal Chillers part

#WA074.3BG04.F2AKJA.F2AMJA.0N0 (See attached Spec Sheet).

ii. Oil free, magnetic bearing, magnetic high-speed variable speed centrifugal compressor(s).

iii. 460 volts, 3 phase

iv. Compressor suction and discharge isolation valves.

v. Step-less capacity control using multi-compressors, inlet guide vanes, and internal variable speed drives.

vi. Environmentally friendly refrigerant.

vii. Cleanable flooded evaporator providing low temperature approach and built to

ASME standard.

viii. Water cooled cleanable shell and tube condenser built to ASME standard. Add a rubber expansion joint near condenser and evaporator to provide easy removal of the end plate(s) (4 each).

ix. High resolution electronic expansion valve(s).

x. 1.5 inch minimum closed cell insulation to prevent external condensation.

xi. Advanced Control System including integrated communication with compressor for precise capacity control and operational safeties.

xii. 12" color graphical interface with panel mounted touch-screen.

xiii. BACnet interface between the chiller and the BAS.

xiv. Single point electrical entry.

xv. Full refrigerant charge.

xvi. Chilled water: IFM – Thermal Dispersion Switch

xvii. Condenser water: IFM – Thermal Dispersion Switch

xviii. Dual pressure relief valves on evaporator and condenser

xix. Factory startup by a factory authorized service technician.

xx. 5-year full chiller parts,labor and refrigerant warranty (including compressors)

xxi. 1.5 inch Insulation option kit including insulation on suction side of compressors.

xxii. Factory installed epoxy coating on the condenser tube sheets, marine water boxes and end plates. Marine water box for each condenser and evaporator

xxiii. Remove and Replace the existing refrigerant monitor system with a new monitor system compatible of monitoring refrigerant R134A. Must be compliant with ASHRAE 15 2010 mechanical code. System shall be a Sherlock 404 Monitor (or equal) including the following components: Include programming and system testing.

1. 1 ea Horn/strobe

2. 1 ea Bacnet controller with 30 I/O’s mounted

3. 4 ea Solid state refrigerant sensor

4. 2 ea Remote horn/strobe at each door allowing access to the mechanical area

5. Beldon 8770 (or equal) wiring for sensors, BMS, and strobe

6. Installation hardware

Integrate the new refrigerant monitoring equipment into the BAS using BACnet communication protocol. Create or modify the Chiller Plant graphics to display the Refrigerant monitor. Create an alarm point within the BAS and link to the remote notification email configuration page.

xxiv. Provide and install all necessary piping and insulation to match existing profiles.

Provide and install all necessary piping hangers and/or support for new piping.

Include new valve tags IAW current Valve Tag Schedule in the control room.

Paint all piping to match existing color scheme. Paint color selection to be provided by GSA.

xxv. Provide new vertical in line chilled water pump with 95’ tdh at 600 GPM including suction valve/strainer at the inlet connection and triple duty valve at discharge connection. Install new VFD for new in line CHW pump. Drive shall programmed to control speed of motor to maintain evaporator design pressure drop and shall be integrated into the existing BAS. VFD shall have an integrated electrical bypass. Work shall completely remove the existing pumps, apparatus, and electrical back to the panelboard. The mechanical contractor shall inspect the strainer prior to activating the pump and, further, shall remove the Fine Mesh Start-up Strainer after a short running period. (24 hours maximum). Space shall provided for removal of the strainer and include installation connection of a blow-down valve. The new pumps shall be piped in parallel so that either condenser water pump or chill water pump can provide flow to either chiller. A proposed piping diagram shall be submitted during the submittal process. All new insulation shall be installed on all chilled water lines inside chiller mechanical room. Label flow direction and chilled water supply, chilled water return, condenser water supply and condenser water return on the appropriate pipe. Minimum three each per pipe spaced apart equally.

xxvi. Provide new vertical in line condenser pump with 75’ tdh at 750 GPM including suction valve at the inlet connection and triple duty valve at the discharge connection. Install new VFD for new in line CW pump. Drive shall programmed to control speed of motor to maintain condenser water design pressure drop and shall integrated existing BAS. VFD shall have an integrated electrical bypass.

Work shall completely remove the existing pumps, apparatus, and electrical back to the panelboard. The mechanical contractor shall inspect the strainer prior to activating the pump and, further, shall remove the Fine Mesh Start-up Strainer after a short running period. (24 hours maximum). Space shall provide for removal of the strainer and include installation connection of a blow-down valve.

The new pumps shall be piped in parallel so that either condenser water pump or chill water pump can provide flow to either chiller. A proposed piping diagram shall be submitted during the submittal process.

xxvii. Provide and install all necessary water thermowell connections and include new thermometers and pressure gauges (8 thermometers/16 gauges) with associated hardware to provide shut off and removal during gauge removal. The water pressure gauges shall have a pressure range selected that the actual pressure reading in psi would be approximately the middle range of the gauge selected. The temperature thermometer range for the chilled/condenser water will be 20deg F to 100 deg f.

xxviii. Provide and install all necessary and properly sized electrical conduit and electrical wiring for new chiller. Contractor will be responsible to verify existing electrical power and/or circuit breakers will handle new chiller’s electrical voltage and amperage. Provide and install properly sized transformers, electrical panel(s) and circuit breakers for new chillers as needed. Provide new panel schedules reflecting work accomplished.

xxix. Contractor will be responsible for installing new house keeping pads to match new chiller & pumps reconfigurations. Housekeeping concrete pad shall match existing pad and profile.

xxx. Contractor will repaint entire chiller room floor with epoxy floor paint. Approved paint submittals are required. Chiller pads shall have a 2 inch epoxy painted border.

xxxi. Install a minimum 22,000 BTU mini split (ductless) air conditioning unit with wired thermostat for chiller mechanical room. Indoor unit shall be wall mounted.

Minimum 19 SEER rating

3. The new chiller’s control system shall communicate with existing building automated system. Contractor will be responsible to verify the existing BAS and provide all necessary wiring, controls, Bacnet cards (if needed) to integrate chiller’s controls to BAS.

The BAS Integration contractor shall include any mapping and linking changes of the MagLev chiller on the graphics page of the Jack Brooks CTHS BAS including new piping, chiller layout, pumps and cooling tower. Contractor is responsible for licensing fee and drivers to connect/communicate BACnet to the existing JACE. Chiller display/ chiller history/trending shall be connected to the BAS for viewing and controlling. Provide the tonnage with the chiller graphic (ex: Smardt 250 Ton). Include links to the chiller history logs on the central plant page so that access to the trends are easily opened for analysis.

The Contractor shall program the existing and any new feedback points using BACNET protocol intergraded into the existing BAS. The new chiller’s control system shall communicate with existing building automated system. Contractor will be responsible to verify the existing BAS and provide all necessary wiring, controls, and/or Bacnet cards (if needed) to integrate chiller’s controls to BAS. Automated valves shall provide reporting feedback on current status, history screens, and valve icons shall be visible on the BAS central plant page. All analog histories of new Chiller points shall be recorded in 15 minute intervals and stored in the building JACE controller for 14 days. All discrete point histories shall be recorded both as 15 minute interval, 14 day FIFO history logs but also as COV histories storing 100 intervals within the JACE. All new Chiller point histories shall be exported daily from the JACE to the hosting GSA BAS Server and to the GSA AMS Application for long term archival storage. Sequence of Operation- Chillers shall operate in a lead /lag operation rotating every seven days (field adjustable) If the lead chiller fails to start, the lag chiller will start.

a. All new equipment shall be controlled by the BAS. Please verify with GSA Equipment

Specialist for more information on the sequence of operation for this new chiller.

b. Install new automatic DDC 2 way isolation valves with position status point fast reaction

(20 sec or less from fully open to closed position) with on the condenser and chilled water line for each chiller and incorporate in the BAS (Total Four). These valves will eliminate water flowing through a chiller that is not operating. These valves will be included in the BAS chiller graphics page and be connected to the BAS.

1. Contractor will be responsible to setting the pressure drop across the evaporator and condenser water heat exchanger.

Option # 1- COOLING TOWER

The Contractor shall provide pricing for all material, supplies, labor, equipment and supervision, necessary to complete the demolition and alternations stated below.

A. Demolition

1. Disconnect all electrical, controls, piping and associated equipment and remove existing cooling towers. Remove all unused conduit/wiring back to panel boards and provide knock-out plugs at all unused openings.

B. Alterations

1. Provide temporary air cooling during new cooling tower installation. The portable temporary air cooling shall be turn-key inclusive of all delivery, set-up, rental, connection (MEP), disconnection (MEP), removal, pick-up and other fees. Cost packages that are weekly or by the day are preferred over monthly arrangements.

This facility requires 24/7 cooling. Cooling tower removal/replacement shall occur during weekends and/or holidays. Contractor shall coordinate with GSA Project Manager and Property Management for weekend and/or holiday building access.

(Contractor to provide temporary cooling specifications and tie-in recommendations for review and acceptance prior to demolition of existing cooling tower).

2. Remove and dispose of properly two (2) 250 Ton existing cooling tower(s)

3. Replace all the condenser water piping on the roof except the 10’ feet of horizontal piping after the piping comes through the roof. New piping shall be primed and painted white. Each fan motor shall have an electrical disconnect mounted on the cooling tower. New VFD drives with electrical bypass shall be installed in the chiller mechanical room and connected to the cooling tower fan motors and also connected to the BAS and included in the chiller graphics page. Set point 75 degF (adjustable from the BAS graphics page) Graphics page shall indicate VFD speed in HZ.

4. Install 300 ton (2) fan cooling tower.

5. Installation shall be/have but not limited to:

i. Equal to or better than EVAPCO USS-29-521 (316 Stainless Steel)

ii. Min Flow rate 427 GPM Max Flow rate 1,300, 85/95 deg F 82 deg F WB

iii. 316 SS upper

iv. 316 SS Cold Water Basin

v. External Service Platform w ladder

vi. Motor Davit w Base

vii. Contactor w/Transformer and Disconnect for Heater Package

viii. (2) Bypass Connection; BFW/GRVD

ix. El. Heaters (OF/-18C ambient) (2) 7 kW

x. Safety Cage

xi. Independent Cell Operation

xii. Stainless Steel Fan Shaft

xiii. Provide and install all necessary and properly sized electrical conduit and electrical wiring. Contractor will be responsible to verify existing electrical power and/or circuit breakers will handle new cooling tower electrical voltage and amperage. Provide and install properly sized transformers, electrical panel(s) and circuit breakers for new cooling tower as needed. Provide new panel schedules reflecting work accomplished

xiv. The Contractor in conjunction with the Controls sub shall upgrade and tie into existing BAS (Building automation System) system which shall provide Direct Digital Control, Energy Management and Building Automation Functions for the new Cooling Tower systems including interfacing with other microprocessor-based building subsystems such as electric. The GSA R7 BAS graphic design guide document and GSA Region 7 BAS Point naming convention document that shall be strictly followed.

Notes:

Security Requirements: Contractor personnel performing work on the BAS under this contract must possess HSPD-12 Clearance and GAC Cards in order to access GSA secured networks and sites.

Integration Technician: Integration technician performing installation shall be certified on the Niagara AX JACE for both installation and maintenance of the system and shall have a minimum of three (3) years’ experience performing the required tasks. The Contractor shall provide with their proposal the integration technician’s resume and certification documentation.

C. Specifications and Requirements

1. Valves connections, accessories and operators:

i. Provide threaded ends for valves 2.5 inches and smaller

ii. Provide flanged or grooved ends for valves 3 inch and larger

iii. For butterfly valves (isolation valves) provide lever handle, infinitely adjustable with lock nut and memory stop. Provide hot dipped galvanized extension stems, valve handles and gear actuators outdoors. Provide weatherproof galvanized cast iron gear operators for valves mounted outdoors.

2. DDC Automatic isolation valves:

i. Type of end fitting: pattern to mate with ANSI 125 flange.

ii. Cast iron GG25 with stainless steel stem and ball.

3. Pipe insulation- Match existing size/type/color scheme and labeling.

4. Pumps/Suction Guides/Triple Duty Valves: Armstrong (or equivalent) Split coupled vertical in line pumps, suction guides, triple duty valves.

5. Steel pipe and fittings:

i. Steel pipe, DN 50 (NPS 2) and smaller: ASTM A 53, type S (seamless) or type F (furnace butt welded), grade B, schedule 40, black steel, plain ends.

ii. Steel Pipe, DN 65 through DN 300 (NPS 2-1/2 through NPS 12): ASTM A 53, type E (electric-resistance welded), Grade B, Schedule 40, black steel, plain ends.

iii. Steel Pipe Nipples: ASTM A 733, made of ASTM A 53, Schedule 40, black steel; electric-resistance welded for DN 65 (NPS 2-1/2) and larger.

iv. Cast-Iron Threaded Fittings: ASME B16.4; Classes 125 and 250.

Malleable-Iron Threaded Fittings: ASME B16.3, Classes 150 and 300.

6. General Purpose Dry Type Transformers:

i. Provide and install (2) 300 KVA dry type transformers for each new chiller as per the following specifications:

1. Unless otherwise specified, dry type transformers shall be in accordance with NEMA, NEC and as shown on the drawings.

Transformers shall be UL listed or labeled.

2. Dry type transformers shall have the following features:

a. Self-cooled by natural convection, isolating windings, indoor, dry type. Autotransformers will not be accepted.

b. Rating and winding connections shall be as shown on the drawings.

c. Transformers shall have copper windings.

d. Ratings shall be for continuous-duty without the use of cooling fans.

3. Insulation systems:

a. Transformers 30 KVA and larger: UL rated 220 degrees C system having an average maximum rise by resistance of 150 degrees C in a maximum ambient of 40 degrees C.

b. Transformers below 30 KVA: Same as for 30 KVA and larger or UL rated 185 degrees C system having an average maximum rise by resistance of 115 degrees C in a maximum ambient of 40 degrees C.

4. Core and coil assemblies:

a. Rigidly braced to withstand the stresses caused by short circuit currents and rough handling during shipment.

b. Cores shall be grain oriented, non-aging, and silicon steel.

5. Coils shall be continuous windings without splices except for taps.

6. Coil loss and core loss shall be a minimum for efficient operation.

7. Primary and secondary tap connections shall be brazed or pressure type.

8. Coil windings shall have end fillers or tie downs for maximum strength.

a. Certified sound levels determined in accordance with NEMA, shall not exceed the following:

b. Single phase transformers rated 15 KVA through 25 KVA shall have two, 5 percent full capacity taps below normal rated primary voltage. All transformers rated 30 KVA and larger shall have two, 2-1/2 percent full capacity taps above, and four, 2-1/2 percent full capacity taps below normal rated primary voltage.

i. Core assemblies shall be grounded to their enclosures by adequate flexible ground straps.

ii. Enclosures:

1. Not less than code gage steel.

2. Outdoor enclosures shall be NEMA 3R.

3. Temperature rise at hottest spot shall conform to NEMA Standards, and shall not bake and peel off the enclosure paint after the transformer has been placed in service.

4. Ventilation openings shall prevent accidental access to live components.

Transformer Rating Sound Level 0 – 9 KVA 40db

10 – 50 KVA 45db 51 – 150 KVA 50db 151 – 300 KVA 55dB 301 – 500 KVA 60dB

5. Thoroughly clean and paint enclosure at the factory with manufacturer's prime coat and standard finish.

6. Standard NEMA features and accessories including ground pad, lifting provisions and nameplate with the wiring diagram and sound level indicated on it.

7. Dimensions and configurations shall conform to the spaces designated for their installations.

9. Efficiency and harmonics

a. Transformers shall be designed to withstand the overheating effects caused by harmonics resulting from non-linear (non-sinusoidal) loads such as office equipment using solid-state switching power supplies (i.e. computers, laser printers and copiers).

b. Copper coils’ neutrals shall carry at least 200% of normal phase current.

c. Minimum efficiency designed to supply circuits with a harmonic profile equal to or less than a K factor of 13 without exceeding specified temperature rise. Transformers with K factor of 13 shall be provided, if K factor is not shown on contract drawings. Table below applies to K-13 transformers only.

Harmonic K-13 Fundamental 100%

3rd 70% 5th 42% 7th 5% 9th 3% 11th 3% 13th 1% 15th 0.7% 17th 0.6%

The efficiency of a low-voltage dry-type distribution transformer shall be no less than that required for their kVA rating in the table below. Low-voltage dry-type distribution transformers with kVA ratings not appearing in the table shall have their minimum efficiency level determined by linear interpolation of the kVA and efficiency values immediately above and below that kVA rating.

Single-phase Three-phase kVA Efficiency

(%) kVA Efficiency

15 97.70 15 97.89

25 98.00 30 98.23

37.5 98.20 45 98.40

50 98.30 75 98.60

75 98.50 112.5 98.74

100 98.60 150 98.83

167 98.70 225 98.94

250 98.80 300 99.02

333 98.90 500 99.14

750 99.23

1000 99.28

Note: All efficiency values are at 35 percent of nameplate-rated load, determined according to the DOE Test Method for Measuring the Energy Consumption of Distribution Transformers under Appendix A to Subpart K of 10 CFR part 431.

10. Installation

a. Installation of transformers shall be in accordance with the NEC, as recommended by the equipment manufacturer and as shown on the drawings.

b. Install the transformers with adequate clearance at a minimum of 100 mm (4 inches) from wall and adjacent equipment for air circulation to remove the heat produced by transformers.

c. Install transformers on vibration pads designed to suppress transformer noise and vibrations.

d. Use flexible metal conduit to enclose the conductors from the transformer to the raceway systems.

SPECIAL INSTRUCTIONS

Contractor will be responsible to request and furnish all required overhead and/or road blocking permits from the City of Beaumont and/or electrical/utility providers when using a crane at this location.

MATERIAL TECHNICAL SPECIFICATIONS

Where a particular manufacturer's product is specified, it is not intended to discriminate against other manufacturer's which are equal in quality of material, workmanship, appearance and function to those specified. Rather, it is intended to establish and indicate the desired standard of quality. If any tests are required to determine the equality of any substitutes, such tests shall be made by an independent authority as approved by the government. All expenses related to proposed substitutions shall to be paid by the contractor. Proposed items are to be submitted with the bid and shall be a basis for the award of the contract.

All materials and equipment shall bear evidence of the Underwriter's Laboratories Inc. Label (UL) or approval of other nationally recognized independent testing organizations adequately equipped and competent to perform such services when these standards are required and such product listing is available.

PRODUCT DATA AND SAMPLES

Product Data: Contractor shall submit one electronic set of chiller product data including any valves, piping, insulation, BAS hardware, refrigerant monitoring system, catalog sheets, brochures, performance charts or other standard descriptive data provided by any subcontractor, supplier or distributor. Product Data must be certified by the Contractor stating that it was reviewed and approved. Product to be used must be highlighted on the data sheet by the contractor. Product Data used for construction must bear GSA’s stamp certifying final review and approval. No product shall be used that does not bear such stamp. Submittals shall be identified on a submittal register provided by the contractor and transmitted using a transmittal letter.

Samples: Contractor shall submit physical samples establishing standards by which completed work is judged. Samples shall indicate color range, functional characteristics and shall represent exact material to be used on the project.

SECURITY CLEARANCE REQUIREMENT

All contractor personnel performing working on premises at GSA owned and operated buildings are required to pass a security background check conducted by the Department of Homeland Security/Federal Protective Service. No contractor employee will be allowed to perform work on the building premises until employee has been determined to be suitable for hire by the Department of Homeland Security/Federal Protective Service.

WORKING HOURS

Work not impacting normal building occupancy shall be performed during normal business hours Monday through Friday 7:00 am to 6:00 pm. All scheduled demolition / delivery of chillers and (Alternate # 1) cooling towers shall take place during unoccupied times. (Recommended over a weekend) Any work affecting normal building occupancy needs to be scheduled after normal business hours/weekends and approved by GSA building manager.

PERIOD OF PERFORMANACE

Chiller:

All work shall be completed within 45 calendar days after Chiller delivery. It is estimated that it will take 12-14 weeks to manufacture the chiller. A partial NTP will be issued to place the order on the equipment upon approved submittals.

Option # 1 – Cooling Tower:

All work shall be completed within 45 calendar days after Chiller delivery. It is estimated that it will take 6 - 8 weeks to manufacture the cooling tower. A partial NTP will be issued to place the order on the equipment upon approved submittals.

PROJECT SCHEDULE

Contractor shall submit to the GSA Project Manager a project schedule within thirty (30) days of the Partial Notice to Proceed. The project schedule shall include a written narrative describing the major work activities, activities critical path and major constraints underlying the sequence and logic, all tasks to be performed under this project, duration of each task and tentative date/s each task will be performed. Project schedule must be approved by the GSA Project Manager prior to performing any work under this project. The project schedule shall incorporate milestone events specifics in the Contract, including as applicable NTP, Substantial Completion and milestones related to specific work phases and site restrictions. The project schedule shall also include Contractor-defined milestones to identify target dates for critical events, based upon the Contractor’s chosen sequence of work. Microsoft Project or other similar format can be used for this schedule.

EXTENSION OF TIME

If the Contractor requests an extension of the time for Substantial Completion, the Contractor shall base its request on analysis of time impact using the Project Schedule as its baseline, and shall propose as a new Substantial Completion date to account for the impact. The Contractor shall submit a written request to the Contracting Officer setting forth facts and analysis in sufficient detail to enable the Contracting Officer to evaluate the Contractor’s entitlement to an extension of time. (See Section III.E. Extensions of Time in the Agreement).

GENERAL CONSTRUCTION REQUIREMENTS

1. Keep work areas clean on a daily basis.

2. Remove debris from site on a daily basis.

3. Protect all existing walls and furniture from damage.

4. Contractor is responsible for all damages to government property caused by him/her and their subcontractors.

5. Contractor is responsible for all dimensions and quantities.

6. Contractor shall field verify all existing conditions prior to submitting a bid.

PERFORMANCE REQUIREMENTS

1. The contractor shall field verify existing conditions prior to any demolition.

2. The contractor shall reinstall existing access panels; etc, back to their original location and condition after all work is completed.

3. The contractor shall remove and dispose of all construction debris as it accumulates on a daily basis.

4. Upon completion of work the contactor shall leave the premised clean and free of any debris.

5. The Contractor shall be responsible for coordinating all activities of subcontractors. This responsibility includes coordination of; preparation of shop drawings preparation of shop drawings produced by different subcontractors where their work interfaces or may potentially conflict or interfere and the installation of such work; scheduling of work by subcontractors and use of the Project site for staging and logistics.

6. Contractor to provide a work plan within thirty (30) days of receipt of the Partial Notice to Proceed (NTP) identifying equipment access plan, CHWP / CWP piping tie-in and electrical tie-in for review and acceptance prior to installation.

7. Contractor to provide schedule of values within thirty (30) days of receipt of the Partial Notice of Proceed (NTP). The Contractor shall prepare and submit for approval a detail cost breakdown of the Contract price, to be referred to as the Schedule of Values, assigning values to each component of the Work. Values must include all direct and indirect cost, although a separate value for bond cost may be established. The Schedule of Values must contain sufficient detail to enable the Project Manager to evaluate applications for payment. Before submitting a request for payment, the Contractor shall schedule a pencil copy review with the Project Manager for review and acceptance.

8. Once the chiller is fully operational the Contractor shall be responsible to provide a report to GSA Project Manager for the following: Re-balance water flow, Manufacturer’s Start-up

Check-list and Commissioning (all adjustments and balancing to the system shall be in accordance with manufacturer requirements)

CONSTRUCTION WASTE MANAGEMENT PLAN SPECIFICS (AFTER CONTRACT AWARD)

1. Fourteen days (14) after receipt of the partial Notice to Proceed, the Contractor shall submit to the Project Manager, a draft Waste Management Plan for mixed debris recycling to GSA approval. The plan shall include (but not be limited to) the following: List of the materials to be reused or recycled.

2. The Contractor will record and track the type and quantity, by weight or each material salvaged, reused, recycled or disposed throughout the project. The Contractor shall provide a Construction Management Waste Management Report upon request of Substantial Completion

PRE-PROPOSAL CONFERENCE

Interested parties must notify the Contracting Officer for further information about attendance and to confirm location, time, and date. Only those parties who have notified the Contracting Officer and provided necessary information in advance of the meeting will be allowed to attend.

Contractors are encouraged to verify all existing conditions at the job site prior to bidding on project. Failure to do so will not relieve the Contractor of any responsibility to properly estimate the cost of this project.

The following items will be discussed during the conference:

1. On site storage.

2. Parking.

3. Use of elevators.

4. Access through secured area.

5. Contractor shall coordinate with the GSA mechanical maintenance contractor, for placing the fire alarm system in test mode prior to performing any work that may result in the activation of an alarm signal from the fire alarm system including but not limited to:

connecting devices to fire alarm system, cutting, welding or other work that creates excessive dust. Contractor is responsible for all costs associated with placing the fire alarm system in test mode.

6. A GSA approved welding permit will be required before performing any cutting and welding. Contractor shall contact the GSA Project Manager at least 48 hours in advance to request a permit for cutting and welding.

7. Contractor shall be responsible for all quantities, measurements, correct installation of all items and for any damages to the building, items such as parked vehicles and surrounding areas.

8. All materials, equipment and supplies to be incorporated into work under the terms of this contract shall have been “NEW” and “UNUSED” at time of award.

9. Materials of equipment containing asbestos in any form shall not be incorporated into this project.

10. All material, workmanship and equipment shall be subject to the inspection and approval by the Contracting Officer Representative. All work unsatisfactorily performed shall be promptly corrected and made acceptable for the Government.

FINAL PREPARATIONS

1. Contractor shall provide three (3) hours classroom and three (3) hours hands-on training at a minimum six (6) hours to training to GSA maintenance personnel.

2. Contactor shall provide two (2) sets of as-built drawings on compact disk (CD). As-built drawings shall be in Auto CAD format and shall illustrate all alterations performed under this contract. Final payment will not be authorized until all as-built drawings are provided.

3. Contractor shall provide two hard copies (2) copies and one (1) on compact disk (CD) of owner’s (O&M) manuals for all new equipment.

4. Contractor shall return all GSA Badges issued for this project. Final payment will not be authorized until all O&M manuals and badges are provided and returned.

WARRANTY

Chiller

1. All workmanship and materials shall be warranted for a period of not less than three hundred sixty five (365) days from date of acceptance by the Government (Standard Warranty) plus extended compressor parts and labor warranty (4 years).

2. The Contractor shall provide a copy of warranty of items procured. Warranty shall be in writing and shall include any conditions which may invalidate the warranty.

3. Warranty shall include procedures on how to exercise warranty rights. Provide points of contact in order to get services required.

4. Standard warranty shall be all inclusive of parts, labor and materials, related coverage and additional costs, if any.

5. Contractor shall provide all applicable manufacturers’ warranties at time of completion.

WARRANTY

Option # 1 – Cooling Tower

1. All workmanship and materials shall be warranted for a period of not less than three hundred sixty five (365) days from date of acceptance by the Government (Standard Warranty)

2. The Contractor shall provide a copy of warranty of items procured. Warranty shall be in writing and shall include any conditions which may invalidate the warranty.

3. Warranty shall include procedures on how to exercise warranty rights. Provide points of contact in order to get services required.

4. Standard warranty shall be all inclusive of parts, labor and materials, related coverage and additional costs, if any.

5. Contractor shall provide all applicable manufacturers’ warranties at time of completion.

APPLICABLE PUBLICATIONS

A. Department of Labor:

1. Occupational and Health Standards: (29 CFR part 1926).

2. Safety and Health Regulations for Construction: (29CFR part 1518).

3. Federal Code:

All renovations shall be in accordance with the current design requirements as found in the Federal Construction & Safety Standard, and Third Party approved structure design package.

Latest Edition of the following Codes/Regulations:

4. Fire Codes: All units shall meet or exceed all required Federal, State and Local Fire Codes.

5. Housing & Urban Development (HUD 24 CFR 3280).

6. National Electrical Code (NEC).

7. International Building Code (IBC).

8. International Mechanical Code (IMC).

9. International Plumbing Code (IPC).

10. American Society of Heating, Refrigeration and Air Conditioning (ASHRA).

11. Occupational and Safety Act (OSHA).

12. National Fire Protection Association (NFPA).

13. U.S. Environmental Protection Agency (EPA), “Mold Remediation in Schools and

Commercial Buildings”.

B. Manufacture, installation and testing shall comply with manufacturer’s instructions and standards.

When more stringent requirements are call for either this S.O.W. or codes and regulations, the priority of precedence in compliance shall be:

1. Federal Requirements.

2. State Requirements.

3. Local Requirements.

4. Manufacturer’s Requirements.

5. Contractor’s Requirements.

DISCLOSURE OF INFORMATION

1. Any information made available to the contractor by the government shall be used only for the purpose of carrying out the provisions of this contract. This information shall not be divulged or made known in any manner to any persons except as may be necessary in the performance of the contract.

2. In the performance of this contract the contractor assumes responsibility for the protection of the confidentiality of government records.

3. The contractor shall adhere to the requirements found in Part 24 of the Federal Acquisition Regulation, Protection of Privacy and Freedom of Information.

END OF SCOPE OF WORK

Exhibit A

PART NUMBER DESCRIPTION

WA074.3BG04.F2AKJA.F2AMJA.0N0 Water Cooled Chiller

INCLUDED BY SMARDT:

Chiller(s) to be shipped Standard - Unit shipped fully assembled Chillers are ETL listed and certified to CSA C22.2 No.236 Conforming to ANSI/UL 1995 Power connection style: Single Point Power Connection Nema 1 Control enclosures - indoor use only Mechanical HP/LP switch.

ASME certified horizontal shell-and-tube heat exchangers.

Supporting baffles inside Standard EVAP and COND tubesheets High efficiency enhanced tubes Evaporator Insulation: Standard Thermal Insulation 1.5" (38mm) Evaporator marine water boxes rated to 145psig fitted with Grooved Pipe Connection Condenser marine water boxes rated to 145psig fitted with Grooved Pipe Connection Epoxy coated evap and cond water boxes Chilled water : IFM – Thermal Dispersion Switch Condenser water : IFM – Thermal Dispersion Switch Dual pressure relief valves on evaporator and condenser mounted on changeover valve.

Factory Startup: Certified Startup Agent Connectivity: BacNet 5 year machine and compressor parts and labor warranty 5 year refrigerant warranty

NOT INCLUDED BY SMARDT:

Vibration isolation pad (not required by manufacturer) Rigging and providing access for equipment.

Piping from refrigerant pressure relief valves to outside.

Grooved flange couplings.

Refrigerant monitor.

Seismic certification.

Performance test.

Sound test.

Harmonic or EMI Filters Extended warranties.

Any other item not mentioned above.

PERFORMANCE INFORMATION

Description Capacity Model

Centrifugal liquid chiller 250.0 tonsR WA074.3BG04.F2AKJA.F2AMJA.0N0

Options

W23 | E7 | C7 | XXXXXXXXXXXXX.XXXX.XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX.XXXXXXXXXXX.XXXXXXXXXXXXXXX

Evaporator Data

Fluid Type Water Fluid Concentration (%) 0%

Flow Rate 596.3 US gpm Tube Material Cu 0.025” Enhanced Surface

Entering Fluid Temp 54.0°F Tube Wall Thickness 0.025Inch

Leaving Fluid Temp 44.0°F Circuit number of passes Two(2)

Fouling Factor 0.00010 h•ft²•ºF/Btu Constant speed flow min (pressure drop at flow)

290.5 USGPM (1.73 PSI)

Pressure Drop 7.53 psi (17.36 ft H2O) Variable speed flow min (pressure drop at flow)

190.6 USGPM (0.77 PSI)

Condenser Data

Fluid Type Water Fluid Concentration (%) 0%

Flow Rate 717.1 US gpm Tube Material Cu 0.025” Enhanced Surface

Entering Fluid Temp 86.0°F Tube Wall Thickness 0.025Inch

Leaving Fluid Temp 96.0°F Circuit number of passes Two(2)

Fouling Factor 0.00025 h•ft²•ºF/Btu Constant speed flow min (pressure drop at flow)

298.3 USGPM (0.64 PSI)

Pressure Drop 8.77 psi (20.23 ft H2O) Variable speed flow min (pressure drop at flow)

195.8 USGPM (0.28 PSI)

Physical Data

Length(ft) See product drawing Weight (Empty) 8181 lbs

Width(ft) See product drawing Weight (Operating) 9475 lbs

Height(ft) See product drawing Refrigerant Charge 635 lbs

Equipment Details

Capacity(TR) 250.0 tonsR Type of compressor TT300-G4-1-ST-E-O-NC

Unit Power(kW) 169.7 kW Full load Efficiency 0.679 kW/tonsR

Number of compressors 3 Compressor Efficiency 0.678 kW/tonsR

Compressor Power (kW) each

56.6 kW HFC 134a

Unit power characteristics

Supply Power 460 V MCA 257 A

Amps 237 A MOCP 336 A

15.1.0.0 September 09, 2015

AHRI CERTFIED PER 550/590

Program Scope

1.3.1 Program Scope Inclusions.

1.3.1.1 60 Hz WCCL Product Inclusions.

All compressor types;

Chillers rated with capacities >0 and ≤3000 tonsa [10,551 kW]b;

Hermetic & open type, electric motor driven;

Units selected for use within the range of Application Rating Conditions as per the Standard (part-load performance no less than 25% of the rated full load capacity);

Chillers with voltages ≤15,000 volts; and Positive Displacement Units intended for use with glycol or other secondary coolant for freeze protection with a leaving chilled fluid temperature above 32°F [0°C] are certified when tested with water at Standard Rating Conditions.

Notes:

a. Capacity refers to the capacity of Packaged Units rated at full load AHRI Standard 550/590 (I-P) Rating

Conditions and the capacity of Configurable Units rated at application full load operating conditions provided these conditions are within the scope of AHRI Standard 550/590 (I-P).

b. kW conversions provided for reference only.

1.3.1.2 50 Hz WCCL Product Inclusions All compressor types;

Chillers rated with capacities ≥200 and ≤3000 tonsa [703 and 10,551 kW]b;

Optional certification for chillers rated with capacities >0 and <200 tonsa [703kW]b (The Certify-All Policy does not apply to these units.);

Hermetic & open type, electric motor driven;

Units selected for use within the range of application rating conditions as per the Standard (part-load performance no less than 25% of the rated full load capacity);

Chillers with voltages ≤15,000 volts; and Positive Displacement Units intended for use with glycol or other secondary coolant for freeze protection with a leaving chilled fluid temperature above 32°F [0°C] are certified when tested with water at Standard Rating Conditions.

Notes:

a. Capacity refers to the capacity of Packaged Units rated at full load AHRI Standard 550/590 (I-P) Rating

Conditions and the capacity of Configurable Units rated at application full load operating conditions provided these conditions are within the scope of AHRI Standard 550/590 (I-P).

b. kW conversions provided for reference only.

1.3.2 Program Scope Exclusions. The following are exclusions for 50 Hz and 60 Hz WCCL products:

Condenserless chillers;

Evaporatively-cooled chillers;

Chillers that are not electrically driven Chillers with motors not supplied with the unit by the Participant; and Heat recovery & heat pump ratings are not certified; however, Participants may elect to certify these chillers in the cooling mode with this option turned off.

Units with condensers intended for use with glycol or other secondary coolants.

Units with evaporators intended for use with glycol or other secondary coolants not included in Sections

1.3.1.1 and 1.3.1.2.

Certified in accordance with the AHRI Water-Cooled Water Chilling Packages Using Vapor Compression Cycle Certification Program, which is based on AHRI Standard 550/590 (I-P) and AHRI Standard 551/591 (SI). Certified units may be found in the AHRI Directory at www.ahridirectory.org

WA074.3BG04.F2AKJA.F2AMJA.0N0

15.1.0.0

IPLV : 0.350 kW/tonsR (34.3 EER)

% Load Capacity Perf kW Chw Flow

Chw In Chw Out Cw Flow Cw In Cw Out

100 250.0 0.661 165.23 600.00 53.95 44.01 750.00 84.99 94.46

75 187.5 0.449 84.14 600.00 51.46 44.01 750.00 75.02 81.76

50 125.0 0.295 36.87 600.00 48.98 44.01 750.00 64.94 69.26

25 62.5 0.316 19.77 600.00 46.49 44.01 750.00 64.94 67.11

NPLV : 0.353 kW/tonsR (34.0 EER)

% Load Capacity Perf kW Chw Flow

Chw In Chw Out Cw Flow Cw In Cw Out

100 250.0 0.679 169.65 596.31 54.01 44.00 717.14 86.00 96.00

75 187.5 0.456 85.43 596.31 51.50 44.00 717.14 75.47 82.53

50 125.0 0.297 37.10 596.31 49.00 44.00 717.14 64.94 69.46

25 62.5 0.317 19.80 596.31 46.50 44.00 717.14 64.94 67.21

PPLV : 0.353 kW/tonsR (34.0 EER)

% Load Capacity Perf kW Chw Flow

Chw In Chw Out Cw Flow Cw In Cw Out

100 250.0 0.679 169.65 596.31 54.00 44.00 717.14 86.00 96.00

75 187.5 0.456 85.43 596.31 51.50 44.00 717.14 75.47 82.53

50 125.0 0.297 37.10 596.31 49.00 44.00 717.14 64.94 69.46

25 62.5 0.317 19.80 596.31 46.50 44.00 717.14 64.94 67.21

Sound Data

Description Global 60 Hz 125 Hz 250 Hz 500 Hz 1 kHz 2 kHz 4 kHz 8 kHz

Lw dB 89.9 70.8 85.3 81.8 78.4 83.2 77.7 79 78

Lw dB(A) 87 44.6 69.2 73.2 75.2 83.2 78.9 80 76.9

Lp dB(A) at

3.3 ft

79 36.6 61.2 65.2 67.2 75.2 70.9 72 68.9

WA074.3BG04.F2AKJA.F2AMJA.0N0

10 Point Part Load Value : 0.353 kW/tonsR (34.0 EER) Loa d

Capacity , tonsR kW/ton R kW Evaporato r Flow, US gpm

Evaporato r In Temp, °F

Evaporato r Out Temp, °F

Condense r Flow, US gpm

Condense r In Temp, °F

Condense r Out Temp, °F

100 250.0 0.679 169.6

596.31 54.00 44.00 717.11 86.00 96.00

90 225.0 0.573 128.8

596.26 53.00 44.00 724.04 81.79 90.43

80 200.0 0.516 103.2

596.21 52.00 44.00 727.39 80.00 87.54

70 175.0 0.491 85.86 596.16 51.00 44.00 735.15 80.00 86.48

60 150.0 0.474 71.17 596.11 50.00 44.00 741.21 80.00 85.49

50 125.0 0.466 58.23 596.06 49.00 44.00 752.69 80.00 84.50

40 100.0 0.448 44.82 596.02 48.00 44.00 750.73 80.00 83.60

30 75.0 0.486 36.42 595.97 47.00 44.00 757.45 80.00 82.69

20 50.0 0.424 21.19 595.92 46.00 44.00 749.45 80.00 81.79

10 25.0 0.440 11.00 595.87 45.00 44.00 739.45 80.00 80.91 Note: Part load entering condenser water temperatures vary linearly from design at 100% load to 64.95 °F at 50% load, and fixed at 64.95 °F for 50% to 0% loads.

WA074.3BG04.F2AKJA.F2AMJA.0N0

DIMENSIONS

L W W/Flash Econ H

141.5 in 51.3 in 67.3 in 80.7 in

A B C D

13.5 in 27.6 in 8.9 in 13.9 in

EVAPORATOR CONDENSER

IN OUT IN OUT

6.0 in 6.0 in 6.0 in 6.0 in

W/Flash Econ

Cooling Tower Data Sheet

Glen Brunkenhoefer

TEXAS AIRSYSTEMS, INC.

2951 Northern Cross Blvd Ft Worth, TX 76136

USA

Phone: 817-8-808-2328 Email: glenb@texasairsystems.com

Project :

Equipment Reference:

Product Type : AT/UT/USS Cooling Tower

Date: 9/18/2015 Page: 1 Selection Criteria

Capacity (Tons): 300.00 Capacity (MBH): 4,500.00 Fluid Type: Water Flow (GPM): 900.0 Entering Fluid Temp (°F): 95.0 Leaving Fluid Temp (°F): 85.0 Wet Bulb (°F): 82.0

IBC Design Criteria Seismic Design Force (g) 1g Velocity Pressure (psf) up to 60

Product line is CTI/ECC certified. Design conditions are outside the scope of CTI Standard 201 RS.

Qty Model Capacity (Tons) Percent Capacity

1 USS-29-521 313.50 104.5

All Weights, Dimensions and Technical Data are Shown per Unit Fans: 2 # Fan Motors @ HP: (2) @ 10.00 (460/3/60) # Heaters @ kW: (2) @ 7.00 Air Flow (CFM) 97,500 Inlet Pressure Drop (psi): 3.0 Evaporated Water Rate (gpm): 7.20

Overall Length: 21' 0.000'' Overall Width: 8' 5.500'' Overall Height: 14' 0.750''

Operating Weight (lbs): 17,270 Shipping Weight (lbs): 10,330 Heaviest Section (lbs): 7,540

Options Selected

(2) Fan Motor: Inverter Capable, Premium Efficient EVAPAK Fill IBC Compliant up to 1g 316 Stainless Steel Upper 316 Welded Stainless Steel Cold Water Basin External Service Platform with Ladder Motor Davit with Base Independent Cell Operation Contactor w/Transformer and Disconnect for Heater Package El. Heaters (0F / -18C ambient) (2) 7 kW Stainless Steel Fan Shaft Vibration Switch Safety Cage evapSelect Version: US May 2015

Exhibit B evapSelect Version: US May 2015

Cooling Tower Data Sheet Page 2

Preliminary

9/18/2015USS-29-521

EVAPCO, INC.

UNIT MODEL # DWG. # SERIAL #DATEREV.SCALE

SHIPPING

WEIGHT

OPERATING

WEIGHT

HEAVIEST SECTION

WEIGHT

NO. OF SHIPPING SECTIONS

ACCESS DOOR

NOTES:

1. (M)- FAN MOTOR LOCATION

2. HEAVIEST SECTION IS UPPER SECTION

3. MPT DENOTES MALE PIPE THREAD

FPT DENOTES FEMALE PIPE THREAD

BFW DENOTES BEVELED FOR WELDING

4. +UNIT WEIGHT DOES NOT INCLUDE

ACCESSORIES (SEE ACCESSORY DRAWINGS)

5. MAKE-UP WATER PRESSURE

20 psi MIN [137 kPa], 50 psi MAX [344 kPa]

21 3/8

21'-0"

8'-5 1/2"

ACCESS DOOR

14'-3/4"

123 1/2

23 1/8

14 7/8

7 1/2

3 5/8

21'-0"

5 1/4

62 3/4

62 3/4

(2) 8 [200]

BFW/GVD

OUTLET

(2) 8 [200]

BFW/GVD

INLET62 3/4

62 3/4

2 [50] MPT

MAKE-UP

3 [80] FPT

OVERFLOW

3 [80] FPT

DRAIN

8'-5 1/2"

3/8

60 1/4

108 1/2

FACE 1FACE 2

FACE 2

PLAN VIEW

FACE 1

N.T.S. T3092148-DRD-ST -

10630 lbs+ [4820] kg+ 17570 lbs+ [7970] kg+ 7840 lbs+ [3555] kg+ 2

COOLING TOWER

9/18/2015USS-29-521 EVAPCO, INC.

TITLE DWG. #UNIT:

NOTES:

MAXIMUM DEFLECTION OF BEAM UNDER UNIT TO BE 1/360 OF UNIT LENGTH NOT TO EXCEED 1/2" [13mm].

DEFLECTION MAY BE CALCULATED BY USING 55% OF THE OPERATING WEIGHT AS

SUPPORT BEAMS AND ANCHOR HARDWARE ARE TO BE FURNISHED BY OTHERS.

BEAMS MUST BE LOCATED UNDER THE FULL LENGTH OF THE PAN SECTION.

A UNIFORM LOAD ON EACH BEAM. SEE CERTIFIED PRINT FOR OPERATING WEIGHT.

BEAMS SHOULD BE SIZED IN ACCORDANCE WITH ACCEPTED STRUCTURAL PRACTICES.

2.

4.

3.

1.

SUPPORTING BEAM SURFACE MUST BE LEVEL. DO NOT LEVEL THE UNIT BY

PLACING SHIMS BETWEEN THE UNIT MOUNTING FLANGE AND THE SUPPORTING BEAM.

5.

ANCHOR HARDWARE TO BE ASTM - A325 5/8" [16mm] BOLT OR EQUIVALENT.

ANCHORING ARRANGEMENT SHOWN HAS A MAXIMUM WIND RATING OF 60 PSF [2.87 KPa] ON

CASED VERTICAL SURFACES.

6.

THE FACTORY RECOMMENDED STEEL SUPPORT CONFIGURATION IS SHOWN.7.

CONSULT THE FACTORY FOR ALTERNATE SUPPORT CONFIGURATIONS.

UNIT SHOULD BE POSITIONED ON STEEL SUCH THAT THE ANCHORING HARDWARE FULLY8.

PENETRATES THE BEAM'S FLANGE AND CLEARS THE BEAM'S WEB.

STEEL SUPPORT CONFIGURATION 8.5x21 INDUCED DRAFT TOWERS SLIX0921-DD

(8) O 3/4" [19mm]

MOUNTING HOLES

PLAN VIEW

UNIT OUTLINE

8'-5 1/2"

5113/16

99 7/8

C/L OF MOUNTING HOLES

13/16

21'-0"

TYPICAL END VIEW

UNIT

MOUNTING HOLE

13/16

1 5/8

C/L OF UNIT LOAD

121 1/2

121 1/2

TITLE UNIT:

EVAPCO, INC.

DWG. #

EXTERNAL SERVICE PLATFORM PLT30921-DCALL 8 1/2 X 21 AT COOLING TOWER UNITS

NOTES:

1. LADDER AND PLATFORM SHIP LOOSE. FIELD INSTALLATION BY OTHERS IS REQUIRED.

2. THE BOTTOM OF THE LADDER DOES NOT EXTEND PAST THE BASE OF THE UNIT.

IF THE UNIT IS ELEVATED THEN AN OPTIONAL EXTENDED LADDER PACKAGE

SHOULD BE CONSIDERED. (CONSULT FACTORY)

3. REFER TO RIGGING PACK FOR LADDER AND PLATFORM MOUNTING INSTRUCTIONS.

4. EACH PLATFORM AND LADDER ASSY. WEIGHS 1070 LBS. [485KG]

MODEL # H

AT-29-121, 421 84 7/8 [2155]

AT-29-221, 321, 621, 821 96 7/8 [2460]

AT-29-521, 721, 921 108 7/8 [2765]

1 3/8

209 7/8

10 7/8

39 1/2

H

NOTES:

REMOVABLE DAVIT

M = MOTOR A.

DAVIT IS DESIGNED FOR RAISING OR LOWERING EVAPCO

FAN MOTORS OR FANS AND GEARS AS UNIT IS

EQUIPPED. DO NOT USE FOR ANY OTHER PURPOSE.

B.

DAVIT IS DESIGNED TO PIVOT FREELY AND CAN BE

REMOVED FROM ITS MOUNTING BASE FOR STORAGE.

C.

DIMENSIONS LISTED AS FOLLOWS: ENGLISH [METRIC]

IN [mm]

D. MDAIMWEO-DE

41 3/4 [1060] STANDARD FAN OR LOW SOUND FAN

52 [1320] SUPER LOW SOUND FAN OR HOOD OPTION

56 1/2 [1435] GEAR DRIVE

A

A

MOUNTING BRACKET

MOUNTING CHANNEL

3/8Ø BOLT

3/8Ø FLATWASHER

3/8Ø FLATWASHER

3/8Ø NUT

3/8Ø LOCKWASHER

MOUNTING

BRACKET

MOUNTING

BRACKET

MOUNTING

BRACKET

MOUNTING CHANNEL

(SHIPS LOOSE)

ASSEMBLY ARRANGEMENT

(TYPICAL)

SECTION A-A

200LB

MAX

600LB

MAX

M

EVAPCO, INC.

TITLE DWG. #UNIT: HEATER LOCATION 8.5x12/14/18/21 INDUCED DRAFT TOWER HLT209VO-DA

LWCO

017-00207PA

BULB WELL

017-00006P

LWCO COVER PLATE

(INSIDE UNIT)

THERMOSTAT

017-00005P

HEATER CONTROL PANEL

(OPTIONAL, SEE WIRING DIAGRAM)

(2)IMMERSION

HEATERS

(ONE EACH END)

NOTES:

OUTLET BOX AND THE NEAREST OBSTRUCTION FOR REMOVAL OF THE HEATER.