PWS_Install_130_ton_chiller_3.pdf

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Wing SECTION 01000

Nashville, Tennessee Performance Work Statement

BKTZ152007 20 JULY 2015

PERFORMANCE WORK STATEMENT

REPLACE 130 TON CHILLER AT BLDG 801

PROJECT # BKTZ 152007

BERRY FIELD, TENNESSEE

GENERAL

The work covered by this Performance Work Statement (PWS) consists of furnishing all labor, equipment, and materials to replace a 130 ton chiller at bldg. 801. The work location is the 118th

Wing, Nashville, Tennessee. Contractor shall be fully responsible for compliance with all base, local, state, and federal environmental/occupational safety laws, rules and regulations that apply.

The contractor shall follow life and safety codes, and take necessary actions to avoid conditions which may be hazardous to the health and safety of base personnel. The Contractor is responsible for all permits associated with the project.

1.1 PERFORMANCE PERIOD

The performance period for this project is 90 calendar days.

1.2 PROJECT DESCRIPTION

1. Replace a 130 ton chiller at bldg. 801.

A. Scope of Work: Contractor shall perform all work as described herein. Work includes but is not limited to:

i. The contractor will remove and dispose of existing 130 ton chiller located at bldg. 801.

ii. The contractor will install a new 130 ton air-cooled scroll chiller with refrigerant R410A. Replacement chiller will be similar or equal to existing chiller (TRANE Model RTAA130GT01A3DOBFK) and will be approved by the Contracting Officer Representative.

iii. The contractor will reconnect all electrical to existing electrical in accordance with manufactures specifications as required for new installation and will be in compliance with NFPA 70 National Electric

Code.

iv. The contractor will reconnect Direct Digital Controls (DDC) and test to ensure proper operation and communication with main computer located

Wing SECTION 01000

BKTZ152007 20 JULY 2015

in building 810, ensure all start/stop functions and water supply/return temperatures are set properly. All DDC functions will be verified and approved by the Contracting Officer Representative.

v. The contractor will reconnect all piping to exiting piping in accordance with manufactures specifications as required for new installation.

vi. The contractor will insulate all piping in accordance with manufactures specifications as required. All piping insulation will match existing insulation as required for new installation.

vii. All testing will be in accordance with manufactures specifications and approved by the Contracting Officer Representative.

viii. The contractor will remove all work related debris and dispose of it off the property. The grounds shall be repaired, as required, to the condition prior to construction.

ix. All work will be performed in accordance with all Local, State and

Federal.

1.3 REFERENCES

1.3.1 In general, all technical specifications are provided within the Construction Documents however, in the event any project element is not covered in the specifications provided, the contractor should refer to the Specification Hierarchy for direction related to the element.

1.4 SPECIFICATION HIERARCHY

1.4.1 The specification hierarchy is the collection of technical specification to be used for all projects. The contractor should refer to the specifications provided in the Construction

Documents first before moving to the next technical specification listed in the specification hierarchy. The hierarchy is listed in the order of precedence (i.e. “A” supersedes “B”) The hierarchy is as follows:

A. Specifications provided with Construction Documents.

B. Base Standard Specifications.

Wing SECTION 01000

BKTZ152007 20 JULY 2015

PART 2

Deliverable Schedule

The contractor deliverable has one time period with one acceptable threshold for that deliverable.

Deliverable Time Period Deliverable Threshold

Lead time for materials End of 60 days 5%

Demo End of 65 days 15% New chiller mounted on pad, mechanical and electrical work.

End of 75 days 75%

Mechanical, electrical and DDC work

End of 85 days 95%

Testing and balancing End of 90 days COMPLETE

'End of Performance Work Statement’