DOCUMENT

04. Replace Chiller SOW 345 DSCC.pdf

OVERVIEW

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Contract Opportunity
Date Originally Posted
May 9, 2022, 2:48 p.m.
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.pdf
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STATEMENT OF WORK
South Central Regional Office/Grand Prairie Office Complex- PROJECT
Replace Chiller DSCC

I. SPECIFICATIONS:

INTRODUCTION
A.1 The Federal Bureau of Prisons (FBOP), South Central Regional Office U.S. Armed Forces Reserve Complex 344 Marine
Forces Drive, Grand Prairie, TX 75051, intends to make a single award to a responsible entity that will provide all
necessary equipment, labor, materials, and incidentals to remove two existing chillers and installation of two new like air
cooled chillers.

All equipment specified in this statement must be brand name or an equal product. Should your firm choose to submit
an equal product, you must submit all technical specification of the equal product to be analyzed and a technical
determination issued with acceptance/non-acceptance.

B. SCOPE OF WORK
Replace Air-Cooled Chiller(s)

This project basis for design is YLAA0089SE46XXFBSDTX air-cooled water chiller with a period of performance of 60
calendar days. Contractor shall remove the identified two existing York Air Cooled Chillers Model No.
YCAL0094EC46XCABDTXHTXXLXXXX44SXXXXXXXXXXTAXXXXX3XXXLXNF1AXXX, SN-SASM-423210; Model No.
YCAL0094EC46XCABDTXHTXXLXXXX44SXXXXXXXXXXTAXXXXX3XXXLXNF1AXXX, SN-SASM-423190. Supply and installation
of (2) new YLAA0089 air-cooled water chiller or equivalent with R410A or R407A refrigerant. Contractor shall protect
existing piping and electrical connections during removal of chiller and of entire project. If components are damaged
when disconnecting or during construction phase then contractor will have to replace damaged component. During
replacement of the chiller contractor shall ensure no interruption of chilled water to the associated buildings through
the duration of the project. New chiller(s) must meet all of the following specifications:

Physical Data: Operating Weight 4610 LBS, Rigging Wt. 4537 LBS, Refrigerant Charge 84.2 LBS
Condenser Data: Ambient Temp. Design (F) 95.0, Altitude (ft) 0.0, Compressor Type Scroll-Hermetic
Evaporator Data: EWT(F) 54.00, LWT(F) 44.00, Design Flow Rate 195.3, Evp. Press. Drop (ft H2O) 6.67, Fluid Water,
Strainer Press. Drop (ft H2O) 3.69, Ext. Kit. Press (ft H2O) 12.4, Fouling Factor (h.ft.F/Btu) 0.000100, Fluid Volume
(USGAL) 8.771, Min. Flow Rate (USGPM) 99.86, Max. Flow Rate (USGPM) 400.1
Performance Data: ERR (Btu/W-h) 9.842, IPLV.IP (Btu/W-h) 17.57
Electrical Data:
Circuit
Compressor RLA
Fan QTY/FLA (each)
High LRA Current
27 / 27 / 27
2 / 4
180 / 180 / 180
27 / 27 / 27
2 / 4
180 / 180 / 180

Single Point:
Min. Circuit Ampacity
Recommended Fuse/CB Rating
Max. Inverse Time CB Rating
Max. Dual Element Fuse Size (A)
Unit Short Circuit Withstand (STD)
Wires Per Phase
Wire Range (Lug Size)

Stater Type
200 200
5(kA)
1 + 2
250-500 kcmil + #3/0 AWG – 250
kcmil
Across The Line

Operating Condition Electrical Data
93.02
6.720
99.74

Compressor kW
Total Fan kW
Total kW

Part Load Rating:

Load%

Ambient (F)

Capacity (ton.R)

Total kW
75 61 42
95.0
80.0
80.0
65.0
65.0
55.0
55.0

Load % Ambient

Sound Power Levels (In Accordance with AHRI 370):
250 Hz
63 Hz
(dB)
(dB) 96 90 84 72 70 70 67

125 Hz
(dB) 89 68 67 95.0
80.0
80.0
65.0
65.0
55.0
55.0
75 61 42
Performance at AHRI Conditions:

81.81
61.43
45.73
49.65
32.77
34.27
16.52

500 Hz
(dB) 86 78 76
99.74
51.55
36.98
32.16
19.64
17.60
8.520

Unit Efficiency
(Btu/W-h)
9.842
14.30
14.84
18.52
20.03
23.37
23.27

1 kHz
(dB) 82 76 74
2 kHz
(dB) 83 81 79
4 kHz
(dB) 76 72 70
8 kHz
(dB) 72 63 61
Evaporator Data

Condenser Date

Performance Data

EWT (F)
LWT (F)
Flow Rate (USGPM)

54.00
44.00
195.3

Ambient Temp. (F)
Altitude (ft)

95.0
0.000

Pressure Drop (ft H2O)
Fluid
Fouling Factor
(h.ft.F/Btu)
Fluid Volume (USGAL)

6.67
Water
0.000100

8.771

EER (Btu/W-h)
IPLV.IP (Btu/W-h)
Net Cooling Capacity
(ton.R)

Scope of Work Clarification

The existing air-cooled chillers, YCAL0094EC46XCABDTXHTXXLXXXX44SXXXXXXXXXXTAXXXXX3XXXLXNF1AXXX, SN-SASM-
423210 and YCAL0094EC46XCABDTXHTXXLXXXX44SXXXXXXXXXXTAXXXXX3XXXLXNF1AXXX, SN-SASM-423190 shall be
removed and replaced with new 89 Ton York Model Number YLAA0089SE46XXFBSDTX air-cooled chiller or equivalent
with high ambient operation. Including Louvered coil hail guards base frame wire grills.

1. Valve off the chilled water supply and return currently feeding the existing York Chillers.
2. Disconnect and protect all line voltage and low voltage from the existing chillers.
3. Disconnect and protect the chilled water piping.
4. Dispose of existing chillers in adherence to all applicable EPA guidelines.
5. Provide and install (2) replacement York 89-ton air-cooled chillers.
6. Provide new chillers with isolation pads.
89 84 82
9.842
17.57
81.81

7. Set new chillers onto existing chiller pad.
8. Reconnect all chilled water piping, line voltage, and low voltage to the new chillers.
9. Ensure chillers are connected and programed to existing Building Management System.
10. Fill and test system(s) for leaks.
11. Insulate piping disturbed or replaced during chiller replacements to match existing.
12. Re-use existing heat trace.
13. Perform Factory Startup.
14. Must include 1 Year entire parts and labor warranty, 5 Year compressor parts only warranty for both new chillers.

C. QUALITY ASSURANCE/INSTALLATION REQUIREMENTS

The Contractor shall notify the COR a minimum of five (2) day prior to the final testing of manufacturer start up and
certification so that arrangements can be made to have BOP required staff available to observe testing. A complete plan
detailing test procedures must be submitted to the COR no later than ten (5) days in advance for final operational checks
and testing of the chiller.

All seismic zone requirements, environmental compliance, Life Safety, NFPA, ADA-ABA, and Federal, State and Local
codes and regulations will be considered during all phases of this project.

Services and materials provided by the contractor will adhere to and shall be consistent with the most current industry
standards, the Underwriters Laboratories (UL) and the General and the National Electric Code (NEC).

It is the contractor’s responsibility to obtain permitting, should it be required. Copies of all permits must be submitted
to the COR upon receipt from local agency.

The FBOP will provide water, use of restrooms and minimal electricity service (120V) for small hand power tools
including battery chargers. The contractor will provide all other equipment, supplies and materials needed to complete
this project.

D. UTILITIES

E. TESTING AND ACCEPTANCE

The Contractor shall notify the COR working days prior to the final system testing and certification so that arrangements
can be made to have BOP required staff available to observe manufacturer start-up and testing . A complete plan
detailing test procedures must be submitted to the Contracting Officers Representative (COR) in advance for final check
out and testing of the complete system.

F. HOUSEKEEPING AND MATERIAL DISPOSAL

The contractor awarded the contract will be responsible to ensure the premises are kept clean and free from
accumulations of waste materials and rubbish at all times. The contractor will remove all debris, scrap, and rubbish from
the work area daily. Surplus materials and all equipment shall be promptly removed from the site upon completion of
the work. The Contractor shall be responsible to remove all debris and waste materials from the job site at South Central
Regional Office site upon conclusion and acceptance of the project. These items must be disposed of in accordance with
all Federal, State, and local laws.

G. SUBMITTALS & TRAINING

Submittals:
1. The contractor shall provide written submittals to the COR describing recommended equipment within (3) days from
receiving the Notice to proceed for approval.

2. If required all security clearance paperwork/documentation shall be submitted to the COR a minimum of (3) working
day prior to the start of work.

3. The Contractor shall prepare and provide to the COR for approval, PDF file specifications of all material and products
prior to their use. Submittals will be prepared as PDF package, and transmit to Government by sending via email.
Contractor shall also provide three (3) copies of the Safety Data Sheets (SDS) on all materials and substances that may
be used during the course of the project. In the event the material is not approved by the Safety Manager, it shall be the
responsibility of the Contractor to locate and procure an alternative product.

4. For security and safety purposes, forty-eight (48) hour advance notice in writing, prior to disruption to the system
must be given to the Contracting Officer and COR.

5. Provide complete narrative descriptions of all system operations.

6. The contractor shall provide an Installation Certification of the completed and tested systems that contains an
affidavit signed by the contractor and manufacturer’s representative, notarized, certifying that the complete systems
meet the contract requirements and is fully operational per the manufacturer's recommendations.

7. Any deviations from this Statement of Work will be considered a Change Order Request and must be authorized
through the institution’s Contracting Officer prior to the implementation of the requested change.

8. It is the Contractor’s responsibility to repair and/or replace any Government property damaged by
contractors/subcontractors employees.