Amendment_0003.pdf

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods:

(a) By completing items 8 and 15, and returning or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER. If by virtue of this amendment your desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1. CONTRACT ID CODE

2. AMENDMENT/MODIFICATION NO. 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQ. NO. 5. PROJECT NO. (If applicable)

7. ADMINISTERED BY (If other than Item 6) CODE

STANDARD FORM 30 (REV. 10-83)

Prescribed by GSA FAR (48 CFR) 53.243

FACILITY CODE

9A. AMENDMENT OF SOLICITATION

NO.

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NO.

10B. DATED (SEE ITEM 13)

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers is extended, is not extended.

12. ACCOUNTING AND APPROPRIATION DATA (If required) copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

13. THIS ITEM ONLY APPLIES TO MODIFICATION OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER NO.

IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15C. DATE SIGNED

15A. NAME AND TITLE OF SIGNER (Type or print)

16C. DATE SIGNED

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

PAGE OF PAGES

6. ISSUED BY CODE

8. NAME AND ADDRESS OF CONTRACTOR (No., street, county, State and ZIP Code) (X)

CODE

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

NSN 7540-01-152-8070

Previous edition unusable

7PQD

Shawna Villarreal, Contracting Officer

Amendment 0003 is issued to provide a revised SOW dated 02/01/2017.

7PQD

ACQUISITION MANAGEMENT DIVISION

ACQUISITION ENERGY & ACQUISITION SUPPORT

BRANCH

819 TAYLOR ST RM 12B01

FORT WORTH TX 6102

ACQUISITION MANAGEMENT DIVISION

ACQUISITION ENERGY & ACQUISITION SUPPORT

BRANCH

819 TAYLOR ST RM 12B01

FORT WORTH TX 6102

EQ7PMD-17-0012

GS-07-P-17-HT-C-0002

1 12

2/1/2017

1/5/2017

SCOPE OF WORK

Replacement of Two (2) each 191 Ton Chillers

AR0057ZZ

Texarkana Court House/Post Office 500 N State Line Ave Texarkana, AR 71854

Date: 1 February 2017 Prepared by: Frank Campagna / Dana Ulanoff

SCOPE OF WORK

GSA Public Buildings Service Greater Southwest Region Baton Rouge Service Center Baton Rouge, LA Office

The contractor shall provide all materials, supplies, labor, equipment and supervision, necessary to complete the demolition and replacement of two (2) 191 ton chillers and condenser/chilled water pumps, cut and reroute section of condenser water piping that goes underground through opening in side of building, and add minimum 5 ton chilled water fan coil unit to chiller mechanical room. Upon completion of the project, this chiller shall be connected to the common building chilled water loop and BAS.

New Chiller Requirements Minimum 188 tons of cooling

IPLV- .353

Evaporator EWT/LWT (F) 55/45 Evaporator GPM- 448 Condenser EWT/LWT (F) 86/96 Condenser GPM- 538 Evaporator Pressure Drop (Not to exceed) 5.45 psi (2 pass heat exchanger) Condenser Pressure Drop (Not to exceed) 6.25 psi (2 pass heat exchanger Minimum two compressors per chiller Proposal documents shall include new chiller spec sheet for intended chiller manufacture that shall include intended chiller performance data.

Demolition

1. Remove refrigerant from the existing 191 ton water cooled chillers.

2. 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.

3. Remove and dispose of properly two 191 ton water cooled chillers located in the chiller mechanical room.

4. Remove and dispose of properly the condenser/chilled water pumps

5. One chiller shall be replaced and the new chiller shall be operational for 48 hours before the demolition of the second chiller is replaced.

6. Replace refrigerant monitor, sensors, audible alarm and strobes.

A. Condenser water piping shall be cut at the towers, rerouted, and reattached to existing piping in the chiller mechanical room. Old pipe shall be cut back as close to ground as possible and permanently sealed with cap on both ends. Penetrations through wall shall be properly sealed. Paint piping to match existing pipe. See Exhibits C-1, C-2, C-3 & C-4 for more details on this scope requirement.

Chillers

1. Provide and install two (2) each 188 ton nominal capacity two compressor water cooled chillers with factory supplied evaporator/condenser water box and insulation option

1.5 inch. Installation shall be/have but not limited to:

A. Equal to or better than magnetic bearing Frictionless Centrifugal Chillers.

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

C. 460 volts, 3 phase D. Compressor suction and discharge isolation valves.

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

F. R134A refrigerant. leanable flooded evaporator providing low temperature approach and built to ASME standard.

G. Water cooled cleanable shell and tube condenser built to ASME standard.

H. High resolution electronic expansion valve(s).

I. 1.5” minimum closed cell insulation to prevent external condensation.

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

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

L. BACnet interface between the chiller and the BAS.

M. Single point electrical entry.

N. Full refrigerant charge.

O. Partial Knock-down kit P. Chilled water: IFM – Thermal Dispersion Switch Q. Condenser water: IFM – Thermal Dispersion Switch R. Dual pressure relief valves on evaporator and condenser S. Factory startup by a certified startup agent T. 5-year full chiller parts and labor warranty (including compressors) U. Marine water boxes on the condenser and evaporator.

V. 5-year refrigerant warranty W. Factory installed epoxy coating on the condenser tube sheets, marine water boxes and end plates.

X. One chiller shall be replaced and be fully operational for two days before the replacement of the second chiller begins. The delivery and removal of the chiller(s) shall occur on the weekend to reduce impact to the building’s occupants during crane operation. And chilled water/condenser water outage required for this project shall be accomplished after hours or on the weekend. Any cost associated with using the O & M’s staff to support after hour support shall be included to your pricing proposal.

Y. The chillers will operate in a lead/lag configuration. They will alternate weekly on Tuesday 2 A.M. If the lead chiller fails to start and the chilled water supply temperature reaches 50 degF, the lag chiller shall start. The lead/lag shall have a manual override on the chiller BAS graphics page. See Exhibit B for sequence of operations.

Chiller – Thermometers / Gauges

1. Provide and install all necessary water thermowell connections and include new thermometers and liquid filled pressure gauges (Four (4) thermometers / Eight (8) each liquid filled gauges) including all associated hardware to provide shut off and removal during gauge removal.

Gauges will be installed on a manifold setup as shown in exhibits E-1 and E-2, one gauge per set of CHW and CW pipes on each chiller(two positions) and on each pump across the strainer and on discharge side of the pump(three locations).

Chiller - Valves

1. Provide new manual isolation valves (16 each) and properly sized expansion devices with restraint devices (16 each).

a. If drainage of the chilled water system is required to replace the sixteen (16) manual operated isolation valves this work shall be accomplished after hours

1. Any cost associated with utilizing the O & M support shall be included within bid proposal including chilled water chemicals (nitrate).

Chiller – DDC Actuators

1. Install new two way valves with DDC actuators. Two way valves/actuators shall be fast reaction (23 seconds or less). One per each condenser and chilled water per chiller. (Total 4 each). They will be integrated into the BAS and BAS graphics page. The position of these valves shall be reflected in the BAS graphics page via feedback signal from the actuator.

i. Each two way valve shall be identified on the BAS Graphics page

ii. Each two way valve position shall be identified on the BAS Graphics page

iii. Equipment BAS Graphics page must be review and approved

iv. Equipment shall communicate via feedback signal from the actuator.

Chiller – Insulation / Mechanical Identification

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

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

a. Provide valve tags

i. Provide IAW current: Valve Tag Schedule in the control room.

3. Provide paint color selection for review and approval Chiller – Electrical

1. Provide and install all necessary and properly sized electrical conduit and electrical wiring for new chiller.

a. Contractor will be responsible to verify existing electrical power service and/or circuit breakers to ensure proper electrical voltage and amperage for all new equipment.

b. Provide and install properly sized transformers, electrical panel(s) and circuit breakers for new chillers as

c. Provide electrical panel schedules

1. Provide schedule sample for review and approval

Transformers

1. Install two properly sized step up transformers for chillers and pumps. See exhibit A for transformer specifications

Pumps

1. Replace existing condenser water and chilled water pumps including associated valves, strainers, check valves, gauges and expansion joints. New pumps shall be vertical inline type. Expansion joints shall include restraint devices. The new condenser pumps shall be 538 GPM 63 feet of head and the new chilled water pumps shall be 448 GPM with 122 feet of head. Pumps shall include Suction Guides with Strainer and Triple Duty Valve

Variable Frequency Drives

1. Install new variable frequency drive for each condenser/chilled water pump. The

VFD for the condenser water pump shall be control the pressure drop across the condenser and be set at the design conditions of the condenser. New pressure differential controller shall be integrated into the control scheme of the VFD.

Install new variable frequency drive for each chilled water pump. The VFD for the chilled water pump shall control a 10degf temperature differential across the evaporator but no less than the minimum design pressure drop specified by the chiller manufacture. New temperature differential controller shall be integrated into the control scheme of the VFD to control the speed of the pumps. All these drives shall be integrated into the BAS showing drive speed in HZ and actual pressure psi / temperature degf differential.

Refrigerant Monitor

1. 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.

i. 1 ea Horn/strobe

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

iii. 4 ea Solid state refrigerant sensor

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

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

vi. Installation hardware

2. 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.

Housekeeping Pads

1. Contractor will strip/repaint the chiller housekeeping pad with epoxy paint.

Approved paint/epoxy submittals are required.

Chiller Room Lighting

1. In the chiller mechanical room contractor will perform a one for one replacement of 17 existing pendant mount fluorescent fixtures (see Exhibit F) to matching L.E.D.

light fixtures. Contractor to maintain any existing emergency battery B/U capabilities for emergency.

Chiller – Building Automation System

1. Contractor shall abide and adhere to all BAS requirements as outlined in Exhibit D.

2. The new chiller’s control system shall communicate with existing building automated system. Replacement Chillers shall be wired to and communicate by BACnet or directly to the Building's Niagara JACE Controller. . The new chillers, pumps, and the existing cooling towers, and associated valves shall all be incorporated into a non-proprietary programmable plant controller, fully programmable through the NiagaraAX software on the GSA laptop through the JACE. The entire plant shall be integrated into the new SOO by successful bidder. See exhibit B for SOO.

a. The Chillers shall not be linked through a propriety building system controller. (A proprietary building system controller is defined as any controller that requires specialized software or licenses to adjust the functionality or program.) For the purpose of this solicitation any submitted controller must be programmable through the existing building's NiagaraAX platform. Contractor will be responsible to verify the existing BAS platform. Chillers must communicate to the BAS as native BACnet. No

“proprietary” gateway (example: Trane Tracer) type equipment is to be used. Fully open hardware such as Field Server is acceptable.

b. Provide required BACnet cards to integrate to Chiller’s controls to BAS with all necessary wiring and controls.

c. Contractor needs to verify that the existing central plant controls operate as expected especially in the cases of “integrating new equipment” and/or “reusing an existing sequence”.

i. Any deficiencies are to be reported to GSA for correction immediately upon discovery, before alterations to existing plant are made.

ii. Undetected hardware or software defects that prevent correct or complete implementation of this project scope are to be corrected before acceptance.

iii. BAS portion of project delivery will not be accepted until error free operation of central plant hardware and software integration can be demonstrated.

iv. Riser Diagram shall be MS Visio. Answer to 5A below: Riser diagram will reflect layout of communication network used by the BAS.

v. Any alterations such as adding or removing devices and networks should be reflected in the riser.

vi. The BAS Integration Contractor shall include any mapping and linking changes of the new Chiller on the graphics page of the building’s BAS including new piping, chiller layout and cooling tower.

vii. Contractor is responsible for licensing fee and drivers to connect/communicate with BACnet to the existing JACE.

viii. The Contractor shall program the existing and any new feedback points using BACNET protocol intergraded into the existing BAS.

ix. All analog point histories of new Chiller points shall be recorded in 15 minute intervals and stored in the building JACE controller for 14 days.

x. 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.

i. 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.

Chiller points shall be uplinked to the regional Web Supervisor Server/MS SQL back-end for long term archiving.

3. Contractor shall provide within thirty (30) days of Limited Notice to Proceed (NTP): The Contractor shall be responsible for reviewing existing conditions, verifying all proposed Building Automation System (BAS) integration activities and developing Building Automation System IT / Riser Diagram plan – Network Topology. Contractor shall provide the following items for discussion, review and approval prior to Building Automation Systems integration.vfd

a. Existing Conditions Evaluation Narrative: This narrative shall include but not limited to:

i. Evaluation of existing Building Automation System (BAS) platform

ii. Evaluation of existing Building Automation System (BAS) Building Points and

Naming Standards

iii. Evaluation of existing Building Automation System (BAS) Sequence of Operations

iv. Provide any existing Building Automation System (BAS) questions and/or concerns with recommendations for resolution.

b. Integration Plan Narrative: This narrative shall include but not limited to:

i. Proposed Building Automation System (BAS) integration plan.

ii. Provide proposed BAS riser diagram to include flow chart of changes and additions to logic with graphics

iii. Provide proposed Sequence of Operations

iv. Provide Niagara Configuration

v. Provide Unitary Controller Configuration

vi. Server / AMS Configuration

vii. Provide any integration questions and/or concerns with recommendations for resolution

viii. Chiller display/ chiller history/trending shall be connected to the BAS for viewing and controlling.

ix. Provide the tonnage with the chiller graphic (ex: Acme 150 Ton).

x. Include links to the chiller history logs on the central plant page so that access to the trends is easily opened for analysis.

4. Building Automation System / IT Riser Diagram: Update existing Microsoft Visio BAS Communication bus riser diagram with indication of the Ethernet/RS-232/RS-485 terminations.

Contractor to provide unitary or supervisory controllers submittal for review and acceptance prior to purchasing.

Chiller – Commissioning A. The Contractor shall provide a report to GSA Project Manager within seven (7) days of the operational new Chiller of the following:

a. Water Flow – Test and Balance

b. Manufacturer’s Start-up Check-list

c. Commissioning Report identifying all adjustments and balancing to the existing system.

d. All documentation shall be in accordance with manufacturer requirements

Chiller – Equipment Access / Weekend Work

1. The delivery and removal of the chiller(s) shall occur on the weekend to reduce impact to the building’s occupants during crane operation.

2. Chilled water/condenser water outage required for this project shall be accomplished after hours or on the weekend.

a. All cost associated with using the O & M’s staff to support after hour support shall be included to your pricing proposal.

Add minimum 5 ton chilled water fan coil unit in chiller mechanical room to cool space.

A. Chilled water lines shall be black pipe B. Full port isolation ball valve on supply and return.

C. Merv 8 filter D. Install flow setter valve and adjust to gpm required by the manufacture's gpm requirement.

E. Install y strainer on supply line before cooling coil and flow setter.

F. Run condensate line to floor drain and insulate.

G. Label lines with directional arrows and chilled water supply and chilled water return on the appropriate line.

H. Insulate chilled water lines.

I. Install programmable thermostat to cycle unit off after hours and weekends J. Install secondary drain pan if unit that is supplied does not include a secondary drain pan K. Base rails L. Foil faced insulation M. Hinged access doors with lift and turn fasteners N. IAQ SS drain pan with 2nd drain connection O. Disconnect P. HOA starter Q. 75VA trans with fusing R. Tstat programmable S. 2 way – spring return control valve – 24 Volt T. Autoflow valve with dual PT, shut off and union U. Strainer, ball valve, union PT port and drain valve with retainer strap V. Manual Air vent W. Cooling Coil – 4 row – 45 to 57 – Capacity 58 MBTUH

9.6 GPM – 12.9’ and 2000 CFM – 0.50”

Add makeup and blowdown meters to cooling tower A. Install a pulse water meter to measure condenser water blow down and condenser water makeup(2 total). These meters shall be connected to the BAS. The controller and meters shall be included in the BAS graphics page.

Notes:

Security Requirements: All contractor personnel performing work on premises at GSA owned and operated buildings are required to pass a security background check conducted by the Office of Personnel Management (OPM). Each contractor employee shall submit fingerprints and appropriate background investigation documents as instructed within the required timeframe. Detailed instructions and forms will be provided via email after submitting the initial Contractor Information Worksheet (CIW). The partially completed CIW will be furnished by the GSA representative with specific knowledge of the contract (Contracting Officer's Representative, etc.) No contractor employee or subcontractor will be allowed to perform work on the building premises until the individual has been determined to be suitable for working on GSA contracts by OPM, and a suitable enter on duty (EOD) notification is received from GSA. Final payment will not be made until all security badges are returned to the Contracting Officer.

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 3 years’ experience performing the required tasks. The Contractor shall provide with their offer the integration technician’s resume and certification documentation. Additionally, contractor personnel performing work on the BAS under this contract must possess 5 y e a r full NACI Clearance and GAC Cards in order to access GSA secured networks and sites.

B. 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. 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. 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.

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 proposal 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

1. 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.

2. 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.

C. Special Instructions

1. Contractors shall submit proposal with a detailed cost breakdown. Cost Breakdown shall be submitted in CSI Master Format 2010. Proposal shall include make and model of all proposed equipment. Chiller selection shall include IPLV rating and pressure drops within submitted proposal. Chiller selection shall be submitted with the proposal. Chiller selection submitted with the proposal shall not exceed the pressure drop indicated in the SOW and the chiller energy efficiency (IPLV).

2. Contractor is responsible to comply with the “Buy American Act”. Buy American Act provides domestic construction material be used in performing this contract.

3. Contractor will be responsible to request and furnish all required overhead and/or road blocking permits from the City and or electrical/utility providers when using a crane at this location if the city street requires a blockage when off-loading the chiller.

PERFORMANCE REQUIREMENT

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

2. 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.

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

4. Safety Plan: Contractor shall submit a site specific plan including hazardous communication plan list of the flow of communication in case of emergency, lock-out / tag-out with narrative that explains lock-out / tag out procedures, AHA / JHA’s for major activities, crane safety plan (if applicable) for crane erection and use. Include preferred location for crane set up, operator certification credentials, and crane inspection/certification documentation within thirty (30) of Limited Notice to Proceed.

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

6. Contractor to provide schedule of values within thirty (30) days of 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 Valves, assigning values to each component of the Work.

a. Values must include all direct and indirect cost, although a separate value for bond cost may be established.

b. The Schedule of Valves must contain sufficient detail to enable the Project Manager to evaluate applications for payment.

c. Before submitting a request for payment, the Contractor shall schedule a pencil copy review with the Project Manager for review and acceptance.

7. 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)

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. Any work affecting normal building occupancy needs to be scheduled after normal business hours/weekends and approved by GSA building manager.

PERIOD OF PERFORMANCE

Contractor has 45 calendar days after Chiller delivery to complete all associated Scope of Work. The Full Notice to Proceed will be issued once the chiller is on-site/delivered. All work shall be completed within 240 calendar days of Limited Notice to Proceed. A Limited Notice to Proceed (NTP) will be issued after bonds and insurance are accepted to authorize the contractor to order the equipment upon approved submittals. The contractor shall provide the GSA Project Manager a proof of purchase document for the approved equipment within 14 calendar days from the date the submittals were approved by the GSA project team.

LIQUIDATED DAMAGES

If substantial completion is not achieved, the Contracting Officer may assess liquidated damages at a rate of $158.00 per day.

PROJECT SCHEDULE

Contractor shall submit to the GSA Project Manager a project schedule within thirty (30) days of Notice of 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.

D. 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 proposal.

CONSTRUCTION WASTE MANAGEMENT PLAN SPECIFICS (AFTER CONTRACT AWARD)

1. Fourteen days (14) from Limited 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.

E. Final Preparations

1. Contractor shall provide both classroom and hands-on training at a minimum six (6) hours to training to GSA maintenance personnel. This training will be conducted by the Chiller Manufacture’s authorized service technician and the BAS integration technician. This training is separate from the chiller startup work that is accomplished by the Manufacture’s authorized service technician. The completed training sign in sheets shall be a deliverable for the closeout documentation.

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 three (3) copies of owner’s (O&M) manuals for the Chiller, VFD and pumps.

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.

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 proposing on the project. Failure to do so will not relieve the Contractor of any responsibility to properly estimate the cost of this project. The pre-proposal site visit is not mandatory.

Note:

The following items will be addressed at the Pre-Proposal Conference and again at a Pre-work 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 submit welding permit to the Project Manager for review and acceptance by the Building Manager at least 72 hours prior to cutting and/or welding activity.

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.

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.

SUSTAINABILITY

1. Green Purchasing:

i. The contractor shall refer to the “Green Procurement Compilation” for all products being installed in federal facilities. The Green Procurement Compilation can be found at https://sftool.gov/greenprocurement. The standards found in this compilation shall guide all product purchasing decisions as they relate to federal facilities.

ii. The use of the following standards (“Key Sustainable Product” or “KSP” standards) is mandatory for all contracts and task orders. See https://sftool.gov/green-products/1037/key-sustainable-products for more details.

a) Nylon Carpet: NSF 140 Gold certification and > 10% post-consumer recovered content.

b) Interior Latex Paint: < 50 grams per liter (g/L) VOCs post tint (i.e. SCAQMD Rule 1113 standard).

c) Gypsum Board: Greenguard Gold Standard or 0 g/L VOCs.

d) Acoustical Ceiling Tiles: Meets California Section 01350 standard for low-VOC materials and total recycled content > 20% and recyclable in a closed loop process and USDA Certified BioPreferred and Environmental Product Declaration (EPD) available.

e) Concrete (ready-mix and site-mix): > 25% fly ash or > 15% ground granulated blast-furnace (GGBF) slag

2. For each KSP listed, the Contractor shall submit proof of compliance to the CO or his designee prior to the installation of the product or material. The CO’s designee shall verify compliance.

If the KSP materials listed above are

i. not reasonably available within a reasonable period of time

ii. fail to meet the performance standards set forth in the specification or fail to meet reasonable performance standards of GSA; or

iii. are available only at an unreasonable price, only then can the Contractor use other types of products. In these cases the Contractor shall select products and materials, to the extent possible, which are the safest and most environmentally friendly.

Exemptions must be submitted in writing and can only be approved by the CO

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.

WARRANTY

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.

END OF SCOPE OF WORK