S02 - Attachment 2 - VA Menlo Park EHRM SPECS - Final.pdf

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EHRM Infrastructure Upgrades Project No. 640A0-20-700 VA Palo Alto Health Care System – Menlo Park

SECTION 00 01 10

TABLE OF CONTENTS

DIVISION 00 - SPECIAL SECTIONS

00 11 21 Request for Proposal to Design Build

DIVISION 01 - GENERAL REQUIREMENTS

01 00 00 General Requirements

01 32 16.17 Project Schedules (Small Projects – Design/Build)

01 33 23 Shop Drawings, Product Data, and Samples

01 35 26 Safety Requirements

01 42 19 Reference Standards

01 45 29 Testing Laboratory Services

01 57 19 Temporary Environmental Controls

01 74 19 Construction Waste Management

01 81 13 Sustainable Construction Requirements

01 91 00 General Commissioning Requirements

DIVISION 02 – EXISTING CONDITIONS

02 41 00 Demolition

DIVISION 03 – CONCRETE

03 30 53 (Short Form) Cast In Place Concrete

DIVISION 04 – MASONRY

04 20 00 Unit Masonry

DIVISION 06 – WOOD AND PLASTIC

06 10 00 Rough Carpentry

DIVISION 07 - THERMAL AND MOISTURE PROTECTION

07 21 13 Building Insulation

07 60 00 Flashing and Sheet Metal

07 84 00 Firestopping

07 92 00 Joint Sealants

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DIVISION 09 – FINISHES

09 22 16 Non-Structural Metal Framing

09 29 00 Gypsum Board

09 51 00 Acoustical Ceilings

09 65 13 Resilient Base and Accessories

09 65 19 Resilient Tile Flooring

09 91 00 Painting

DIVISION 13 – SPECIAL CONSTRUCTION

13 05 41 Seismic Restraint Requirements For Non-Structural Components

DIVISION 21- FIRE SUPPRESSION

21 13 13 Wet-Pipe Sprinkler Systems

DIVISION 23 – HEATING, VENTILATING, AND AIR CONDITIONING (HVAC)

23 05 11 Common Work Results for HVAC

23 05 41 Noise and Vibration Control for HVAC Piping and Equipment

23 05 93 Testing, Adjusting, and Balancing for HVAC

23 08 00 Commissioning of HVAC Systems

23 31 00 HVAC Ducts and Casings

23 36 00 Air Terminal Units

23 37 00 Air Outlets and Inlets

23 81 00 Decentralized Unitary HVAC Equipment

23 81 23 Computer-Room Air Conditioners

DIVISION 26 – ELECTRICAL

26 05 11 Requirements for Electrical Installations

26 05 19 Low-Voltage Electrical Power Conductors and Cables

26 05 26 Grounding and Bonding for Electrical Systems

26 05 33 Raceway and Boxes for Electrical Systems

26 24 16 Panelboards

26 27 26 Wiring Devices

26 29 21 Enclosed Switches and Circuit Breakers

26 33 53 Static Uninterruptible Power Supply

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DIVISION 27 – COMMUNICATIONS

27 05 11 Requirements for Communications Installations

27 05 26 Grounding and Bonding for Communications Systems

27 05 33 Raceways and Boxes for Communications Systems

27 05 43 Underground Raceways and Boxes for Communications Systems

27 08 11 Testing for Communications

27 10 00 Structured Cabling

27 11 00 Telecommunications Room Fittings

27 15 00 Communications Horizontal Cabling

DIVISION 31 – EARTHWORK

31 20 00 Earth Moving

DIVISION 32 – EXTERIOR IMPROVEMENTS

32 05 23 Cement and Concrete for Exterior Improvements

32 12 16 Asphalt Paving

32 17 23 Pavement Markings

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SECTION 01 00 00

GENERAL REQUIREMENTS

1.1 GENERAL INTENTION

A. Contractor shall provide all labor, materials, tools and equipment, and services necessary for design, pre-construction, construction, and closeout of EHRM infrastructure upgrades, Project #

640A0-20-700, Menlo Park, California, as required by Drawings and Specifications.

B. Visits to the site by Bidders may be made only by appointment with the Contracting Officer.

C. Offices of //contractor//, as RFP Architect-Engineers (AE), will render certain technical services during construction. Such services shall be considered as advisory to the Government and shall not be construed as expressing or implying a contractual act of the Government without affirmations by Contracting Officer or his duly authorized representative.

D. All employees of General Contractor and subcontractors shall comply with Veterans Affairs (VA) security management program and obtain permission of the VA police, be identified by project and employer, and restricted from unauthorized access.

E. Prior to commencing work, general contractor shall provide proof that an OSHA certified

“competent person” (CP) (29 CFR 1926.20(b)(2)) will maintain a presence at the work site whenever the general or subcontractors are present.

F. Training:

1. All employees of general contractor and subcontractors shall have the 10-hour OSHA certified Construction Safety course and /or other relevant competency training, as determined by the VA Contracting Officer with input from the Facility Construction Safety

Committee.

2. Submit training records of all such employees for approval before the start of work on site.

G. Terms used in this contract such as Veterans Affairs (VA) and Government; Contracting Officer

(CO); Architect-Engineer (AE); Contracting Officer’s Representative (COR) or resident engineer

(RE), Engineering Officer (EO) may be used interchangeably, and refer to the same entity.

H. Schedule: See section 1.42 within this specification 01 00 00.

I. Submittal items that must be received and approved prior to starting on site work are the project schedule and project schedule of values. Since they may require significant time to approve the and coordinate, the schedule and schedule of values should be submitted early. Refer to General

Conditions FAR Section 852.236-84, Schedule of Work Progress. The schedule is to contain as a minimum a description of each activity, the estimated duration, the trade and crew size, and the planned start and completion dates. Project will be submitted in hard copy as well as Microsoft

Project.

J. An updated progress schedule is to be provided prior to the submittal of each monthly request for payment. The updated schedule is to show all activities started and/or completed during the reporting period and a projection of the activities that will take place during the following reporting period.

1.2 STATEMENT OF BID ITEM(S)

A. BASE BID: Contractor shall provide all materials, equipment, labor and supervision of every kind to complete the full scope work indicated, including any work as necessary for temporary installation of electrical systems to maintain uninterrupted electrical power to the existing building while accomplishing work. The work shall be complete in all respects to accomplish the intent of the Drawings and Specifications.

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1.3 SPECIFICATIONS AND DRAWINGS FOR CONTRACTOR

A. AFTER AWARD OF CONTRACT, 1 Compact Disk (CD) with PDF format files of Specifications and

Drawings will be furnished to the Contractor upon request.

B. Hard copy sets of drawings and specifications as needed may be made by the Contractor, at

Contractor's expense.

C. Specific CAD files may be provided to contractor, upon written contractor request, to support specific trade shop drawing development.

1.4 CONSTRUCTION SECURITY REQUIREMENTS

A. Security Plan:

1. The security plan defines both physical and administrative security procedures that will remain effective for the entire duration of the project.

2. The General Contractor is responsible for assuring that all sub-contractors working on the project and their employees also comply with these regulations.

B. Security Procedures:

1. General Contractor’s employees shall not enter the project site without appropriate badge. They may also be subject to inspection of their personal effects when entering or leaving the project site.

2. For working outside the “regular hours” as defined in the contract, the General Contractor shall give a minimum three (3) days notice to the Contracting Officer so that security and escort as needed can be provided for the employees. This notice is separate from any notices required for utility shutdown described later in this section.

3. No photography of VA premises is allowed without written permission of the Contracting

Officer.

4. VA reserves the right to close down or shut down the project site and order General

Contractor’s employees off the premises in the event of a national emergency. The

General Contractor may return to the site only with the written approval of the Contracting

Officer.

C. Contractor Identification:

1. The Contractor’s Superintendent shall be issued a badge identifying him/her as an authorized visitor on the medical center campus. The Superintendent shall always wear the badge displayed prominently when on site. The Contractor shall return the badge at the end of the project. The Contractor shall notify the Veterans Affairs Police Services and the Contracting Officer within 24 hours if the badge has been lost.

2. The Contractor shall initiate an identification program for each of its employees, subcontractors, and subcontractor employees within the construction site. Each person will be identified with a unique readily visible badge identifying the person and that the person is under the direction of the General Contractor. Every employee or subcontractor shall wear the badge displayed prominently at all times when on site.

D. Key Control:

1. For the purpose of security inspections, when requested, the General Contractor shall provide duplicate keys and lock combinations to the Contracting Officers Representative

(COR) for every secured area of the project including construction trailer and laydown gate lock, storage containers, and tool boxes.

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E. Document Control:

1. The General Contractor is responsible for safekeeping of all drawings, project manual and other project information. This information shall be shared only with those with a specific need to accomplish the project.

2. All paper waste or electronic media such as CDs and diskettes shall be shredded and destroyed in a manner acceptable to the VA.

3. Notify Contracting Officer and Site Security Officer immediately when there is a loss or compromise of “sensitive information”.

4. All electronic information shall be stored in specified location following VA standards and procedures using an Engineering Document Management Software (EDMS).

a. Security, access and maintenance of all project drawings, both scanned and electronic shall be performed and tracked through the EDMS system.

b. At the completion of the project, the Contractor shall secure all copies of drawings and specifications from its office and all subcontractors and return them to the

Government.

F. Motor Vehicle Restrictions:

1. Only properly licensed motor vehicles with valid insurance shall enter the medical center campus. Drivers of such vehicles will possess on their person a valid license for the type of vehicle being driven. Vehicle access to the construction site shall be restricted to active picking up and dropping off materials and supplies.

2. Contractors and its employees are not authorized to park on the facility. Coordinate with the COR for parking.

G. Personal Conduct:

1. Every person who enters the Medical Center’s grounds is expected to conduct themselves in a professional responsible manner without the need to enumerate every expected or prohibited behavior.

2. Weapons, ammunition, explosives, and alcoholic beverages are prohibited on the

Medical Center's grounds.

3. There shall be no solicitations or sales of any kind on the Medical Center’s grounds.

4. The Government reserves the right to refuse to permit employment on the Work or require dismissal from the Work of any subcontractor who, by reason of previous unsatisfactory work on Department of Veterans Affairs project or for any other reason, is considered by the Contracting Officer to be incompetent or otherwise objectionable.

(Reference VAAR 852.236-0)

1.5 FIRE SAFETY

A. Applicable Publications: Publications listed below form part of this Article to extent referenced.

Publications are referenced in text by basic designations only.

1. ASTM International:

E84-2007 ............................Surface Burning Characteristics of Building Materials

2. National Fire Protection Association (NFPA):

10-2018 ...............................Standard for Portable Fire Extinguishers

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30-2018 ...............................Flammable and Combustible Liquids Code

51B-2019 ...........................Standard for Fire Prevention During Welding, Cutting and Other Hot

Work

70-2020 ................................National Electrical Code

241-2019 ..............................Standard for Safeguarding Construction, Alteration, and Demolition

Operations

3. Occupational Safety and Health Administration (OSHA):

29 CFR 1926..........................Safety and Health Regulations for Construction

B. Fire Safety Plan: Establish and maintain a fire protection program in accordance with 29 CFR 1926.

Prior to start of work, prepare a plan detailing project-specific fire safety measures, including periodic status reports, and submit to COR and Safety Officer for review for compliance with contract requirements in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA

AND SAMPLES. The plan shall include as a minimum means of egress, egress routes, assembly area, fire extinguishers, fire alarm notification methods, and job specific fire hazards. Prior to any worker for the contractor or subcontractors beginning work, they shall undergo a safety briefing provided by the general contractor’s competent person per OSHA requirements. This briefing shall include information on the construction limits, VAMC safety guidelines, means of egress, break areas, work hours, locations of restrooms, use of VAMC equipment, etc. Documentation shall be provided to the COR that individuals have undergone contractor’s safety briefing. Contractor is to perform weekly fire hazard and OSHA safety inspections of the entire construction area from the time constructions starts until the building is turned over to the Government. A copy of these reports, listing all hazards identified and corrective actions taken, is to be provided weekly to the COR

C. Site and Building Access: Maintain free and unobstructed access to facility emergency services and for fire, police and other emergency response forces in accordance with NFPA 241.

D. Separate temporary facilities, such as trailers, storage sheds and dumpsters, from existing buildings and new construction by distances in accordance with NFPA 241.

E. Temporary Heating and Electrical: Install, use and maintain installations in accordance with 29 CFR

1926, NFPA 241 and NFPA 70. Open flame heating devices are prohibited on the Medical Center

Grounds.

F. Means of Egress: Do not block exiting for occupied buildings, including paths from exits to roads.

Minimize disruptions and coordinate with COR.

G. Egress Routes for Construction Workers: Maintain free and unobstructed egress. Inspect daily.

Report findings and corrective actions weekly to COR.

H. Fire Extinguishers: Provide, secure, and maintain extinguishers in construction areas and temporary storage areas in accordance with 29 CFR 1926, NFPA 241 and NFPA 10.

I. Flammable and Combustible Liquids: Store, dispense and use liquids in accordance with 29 CFR

1926, NFPA 241 and NFPA 30.

J. Existing Fire Protection: Do not impair automatic sprinklers, smoke and heat detection, and fire alarm systems, except for portions immediately under construction, and temporarily for connections. Provide fire watch for impairments more than 1 hour in a 24-hour period. Request interruptions in accordance with Article, OPERATIONS AND STORAGE AREAS, and coordinate with COR. All existing or temporary fire protection systems (fire alarms, sprinklers) located in construction areas shall be tested as coordinated with the medical center. Parameters for the testing and results of any tests performed shall be recorded by the medical center and copies provided to the COR.

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K. Smoke Detectors: Prevent accidental operation. Remove temporary covers at end of work operations each day. Coordinate with COR.

L. Hot Work: Perform and safeguard hot work operations in accordance with NFPA 241 and NFPA

51B. Coordinate with COR. Obtain permits from Facility Safety Manager at least twenty-four (24) hours in advance. Designate contractor's responsible project-site fire prevention program manager to permit hot work.

M. Fire Hazard Prevention and Safety Inspections: Inspect and provide a written report weekly for fire hazards and safety problems for the entire construction areas. These inspections shall begin from the notice to proceed until the acceptance of the entire project by the Contracting Officer.

Coordinate with, and report findings and corrective actions weekly to COR.

N. Smoking: All smoking and vaping is prohibited at VA facilities.

O. Dispose of waste and debris in accordance with NFPA 241. Remove from construction area daily.

P. Perform other construction, alteration and demolition operations in accordance with 29 CFR 1926.

1.6 OPERATIONS AND STORAGE AREAS

A. The Contractor shall confine all operations (including storage of materials) on Government premises to areas authorized or approved by the Contracting Officer. The Contractor shall hold and save the Government, its officers and agents, free and harmless from liability of any nature occasioned by the Contractor's performance.

B. Temporary buildings (e.g., storage sheds, shops, offices) and utilities may be erected by the

Contractor only with the approval of the Contracting Officer and shall be built with labor and materials furnished by the Contractor without expense to the Government. The temporary buildings and utilities shall remain the property of the Contractor and shall be removed by the Contractor at its expense upon completion of the work. All affected areas will be completely restored to original conditions.

C. The Contractor shall, under regulations prescribed by the Contracting Officer, use only established roadways, or use temporary roadways constructed by the Contractor when and as authorized by the Contracting Officer. When materials are transported in prosecuting the work, vehicles shall not be loaded beyond the loading capacity recommended by the manufacturer of the vehicle or prescribed by any Federal, State or local law or regulation. When it is necessary to cross curbs or sidewalks, the Contractor shall protect them from damage. The Contractor shall repair or pay for the repair of any damaged curbs, landscaping, sidewalks or roads.

D. Working space and space available for storing materials shall be as determined by the COR.

E. Execute work so as to interfere as little as possible with normal functioning of Medical Center operations as a whole, including operations of utility services, fire protection systems and any existing equipment, and with work being done by others. Keep roads clear of construction materials, debris, standing construction equipment and vehicles at all times. Use of equipment and tools that transmit vibrations and noises through the building structure, are not permitted in buildings that are occupied, during construction, jointly by patients or medical personnel, and

Contractor's personnel, except as permitted by COR where required by limited working space.

Additionally, Contractor may be restricted further than OSHA allowable limits in terms of vehicle and construction emissions, odors, noises, core drilling, hammer drilling, jack hammering, etc. Do not store materials and equipment in other than assigned areas.

F. Adjacent buildings and site will be occupied during performance of work. Contractor shall take all measures and provide all material necessary for protecting existing equipment and property in affected areas of construction against dust and debris, so that equipment and affected areas to be used in the Medical Centers operations will not be hindered. Contractor shall permit access to

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Department of Veterans Affairs personnel and patients through other construction areas which serve as routes of access to such affected areas and equipment. Coordinate alteration work in areas occupied by Department of Veterans Affairs so that Medical Center operations will continue during the construction period.

G. Construction Fence: Before construction operations begin, Contractor shall provide a substantial construction fence acceptable to the COR, around the construction areas indicated on the drawings. Provide securable gates as required for access with necessary hardware, including hasps and padlocks. Fasten fence fabric to terminal posts with tension bands and to line posts and top and bottom rails with tie wires spaced at maximum 15 inches. Bottom of fences shall extend to one inch above grade. Remove the fence when directed by COR.

H. Utilities Services: Maintain existing utility services for Medical Center and VBA Regional Office at all times. Provide temporary facilities, labor, materials, equipment, connections, and utilities to assure uninterrupted services. Where necessary to cut existing water, steam, gases, sewer or air pipes, or electrical conduits, wires, cables, etc. of utility services or of fire protection systems and communications systems (including telephone), they shall be cut and capped at suitable places where shown; or, in absence of such indication, where directed by COR.

1. No utility service such as water, gas, steam, sewers or electricity, or fire protection systems and communications systems may be interrupted without prior approval of COR. Electrical work shall be accomplished with all affected circuits or equipment de-energized. When an electrical outage cannot be accomplished, work on any energized circuits or equipment shall not commence without the Medical Center Director's prior knowledge and written approval.

Refer to Specification Sections 26 05 11, REQUIREMENTS FOR ELECTRICAL

INSTALLATIONS and 27 05 11 REQUIREMENTS FOR COMMUNICATIONS

INSTALLATIONS for additional requirements.

2. Contractor shall submit a request to interrupt any such services to COR, in writing, a minimum of 48 hours in advance of proposed interruption. Request shall state reason, date, exact time of, and approximate duration of such interruption.

3. Contractor will be advised (in writing) of approval of request, or of which other date and/or time such interruption will cause least inconvenience to operations of Medical Center.

Interruption time approved by Medical Center may occur at other than Contractor's normal working hours.

4. Major interruptions of any system must be requested, in writing, at least 15 calendar days prior to the desired time and shall be performed as directed by the COR.

5. In case of a contract construction emergency, service will be interrupted on approval of COR.

Such approval will be confirmed in writing as soon as practical.

6. The Contractor shall be responsible for draining existing wet systems, such as water, chilled water, heating water etc. as required to accomplish new work. Contractor shall also be responsible for re-filling systems including adding chemicals as required. Contractor shall be further responsible for returning the utility to its proper operating state including but not limited to: removal of air entrainment; re-balancing of throttling valves or dampers; verification of the proper operation of any control system. It is acceptable to salvage existing treated water in clean storage containers approved by the VA and re-inject it into the system upon completion of the work. Any treated water not re-injected shall be disposed of in accordance with project specifications.

7. Whenever it is required that a connection fee be paid to a public utility provider for new permanent service to the construction project, for such items as water, sewer, electricity, gas

01 00 00 -10 or steam, payment of such fee shall be the responsibility of the Government and not the

Contractor.

I. Abandoned Lines: All services to be abandoned such as wires, cables, raceways, ducts, pipes, storm drain lines, and the like and their hangers or supports, are to be removed entirely back to the point of connection to the active utility (i.e. piping and ductwork back to active mains, electrical wires and cables back to active circuitry, and all empty raceways). If items are noted to be abandoned in place, they are to be sealed, capped, or plugged.

J. To minimize interference of construction activities with flow of Medical Center and VBA traffic, comply with the following:

1. Keep roads, walks and entrances to grounds, to parking and to occupied areas of buildings clear of construction materials, debris and standing construction equipment and vehicles.

Wherever excavation for new utility lines cross existing roads, at least one lane must be open to traffic at all times unless an alternate route is identified and Contractor provides adequate temporary barriers signage and direction for detours.

2. Method and scheduling of required cutting, altering and removal of existing roads, walks, and entrances must be approved by the COR.

3. The Contractor shall conform to the Manual on Uniform Traffic Control Devices 2009 Edition

Part 6 Temporary Traffic Control.

K. Coordinate the work for this Contract with other construction operations as directed by COR. This includes the scheduling of traffic and the use of roadways, as specified in Article, USE OF

ROADWAYS. (Reference FAR 52.236-10.)

L. The Contractor shall at all times keep the work area, including lay down and storage areas, free from accumulation of waste materials. Before completing the Work, the Contractor shall remove from the Work and premises any rubbish, tools, scaffolding, equipment and materials that are not the property of the Government. Upon completing the Work, the Contractor shall leave the work area in a clean, neat and orderly condition satisfactory to the Contracting Officer.

(Reference FAR 52.236-10 in General Conditions)

1.7 ALTERATIONS

A. Survey: Before any work is started, the Contractor shall make a thorough survey with the COR of areas of buildings in which alterations occur and areas which are anticipated routes of access, and furnish a report, signed by both, to the Contracting Officer. This report shall list by rooms and spaces:

1. Existing condition and types of resilient flooring, doors, windows, walls and other surfaces not required to be altered throughout affected areas of buildings.

2. Existence and conditions of items such as plumbing fixtures and accessories, electrical fixtures, equipment, venetian blinds, shades, etc., required by Drawings to be either reused or relocated, or both.

3. Shall note any discrepancies between Drawings and existing conditions at site.

4. Shall designate areas for working space, materials storage and routes of access to areas within buildings where alterations occur and which have been agreed upon by Contractor and

COR.

B. Any items required by Drawings to be either reused or relocated or both, found during this survey to be nonexistent, or in opinion of COR and Contracting Officer, to be in such condition that their use is impossible or impractical, shall be furnished and/or replaced by Contractor with new items in accordance with Specifications which will be furnished by Government. Provided the Contract

01 00 00 -11 work is changed by reason of this subparagraph B, the Contract will be modified accordingly, under provisions of clause entitled "DIFFERING SITE CONDITIONS" (FAR 52.236-2) and "CHANGES"

(FAR 52.243-4 and VAAR 852.236-88).

C. Re-Survey: Thirty days before expected partial or final inspection date, the Contractor and COR together shall make a thorough re-survey of the areas of buildings involved. They shall furnish a report on conditions then existing, of resilient flooring, doors, windows, walls and other surfaces as compared with conditions of same as noted in first condition survey report:

1. Re-survey report shall also list any damage caused by Contractor to such flooring and other surfaces, despite protection measures; and will form basis for determining extent of repair work required of Contractor to restore damage caused by Contractor's workmen in executing work of this Contract.

D. Protection: Provide the following protective measures:

1. Wherever existing roof surfaces or wall systems are disturbed they shall be protected against water infiltration. In case of leaks, damages shall be repaired immediately upon discovery.

Contractor is responsible for repair and replacement of all damages to equipment and facility.

2. Provide temporary protection against damage for portions of existing structures and grounds where work is to be done, materials handled and equipment moved and/or relocated.

3. Protection of interior of existing structures at all times, from damage, dust and weather inclemency. Wherever work is performed, floor surfaces that are to remain in place shall be adequately protected prior to starting work, and this protection shall be maintained intact until all work in the area is completed.

1.8 INFECTION PREVENTION MEASURES

A. Implement the requirements of Veterans Affairs Medical Center’s (VAMC’s) Infection Control Risk

Assessment (ICRA) team. ICRA Group may monitor dust in the vicinity of the construction work and require the Contractor to take corrective action immediately if the safe levels are exceeded.

B. Establish and maintain a dust control program as part of the contractor’s infection preventive measures in accordance with the guidelines provided by ICRA Group. Prior to start of work, prepare a plan detailing project-specific dust protection measures, including periodic status reports, and submit to COR and Facility ICRA team for review for compliance with contract requirements in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA AND SAMPLES.

1. All personnel involved in the construction or renovation activity shall be educated and trained in infection prevention measures established by the Medical Center.

2. In case of any problem, the Medical Center, along with assistance from the Contractor, shall conduct an environmental assessment to find and eliminate the source.

C. In general, following preventive measures shall be adopted during construction to keep down dust and prevent mold.

1. Dampen debris to keep down dust and provide temporary construction partitions in existing structures where directed by COR. Blank off ducts and diffusers to prevent circulation of dust into occupied areas during construction.

2. Do not perform dust producing tasks within occupied areas without the approval of the COR.

For construction in any areas that will remain jointly occupied by the Medical Center and

Contractor’s workers, the Contractor shall:

a. Provide dust proof two-hour fire-rated temporary drywall construction barriers to completely separate construction from the operational areas of the existing building in order to contain dirt debris and dust. Barriers shall be sealed and made presentable on

01 00 00 -12 occupied side. Install a self- closing rated door in a metal frame, commensurate with the partition, to allow worker access. Maintain negative air at all times. A fire-retardant polystyrene, 6-mil thick or greater plastic barrier meeting local fire codes may be used where dust control is the only hazard, and with the prior approval of the COR, the Medical

Center Safety Officer, and the Medical Center infection control coordinator.

b. HEPA filtration is required where the exhaust dust may reenter the breathing zone.

Contractor shall verify that construction exhaust to exterior is not reintroduced to the facility through intake vents, or building openings. Install HEPA (High Efficiency

Particulate Accumulator) filter vacuum system rated at 95% capture of 0.3 microns including pollen, mold spores and dust particles. Insure continuous negative air pressures occurring within the work area. HEPA filters should have ASHRAE 85 or other prefilter to extend the useful life of the HEPA. Provide both primary and secondary filtrations units.

Exhaust hoses shall be heavy duty, flexible steel reinforced and exhausted so that dust is not reintroduced to the Medical Center.

c. Adhesive Walk-off/Carpet Walk-off Mats, minimum 600mm x 900mm (24”x48”), shall be used at all interior transitions from the construction area to occupied VBA areas. These mats shall be changed as often as required to maintain clean work areas directly outside construction area at all times.

d. Vacuum and wet mop all transition areas from construction to the occupied medical center at the end of each workday. Vacuum shall utilize HEPA filtration. Maintain surrounding area frequently. Remove debris as they are created. Transport these outside the construction area in containers with tightly fitting lids.

e. The Contractor shall not haul debris through patient-care areas without prior approval of the COR. When approved, debris shall be hauled in enclosed dust proof containers or wrapped in plastic and sealed with duct tape. No sharp objects should be allowed to cut through the plastic. Wipe down the exterior of the containers with a damp rag to remove dust. All equipment, tools, material, etc. transported through occupied areas shall be made free from dust and moisture by vacuuming and wipe down.

f. Using a HEPA vacuum, clean inside the barrier and vacuum ceiling tile prior to replacement. Any ceiling access panels opened for investigation beyond sealed areas shall be sealed immediately when unattended.

g. There shall be no standing water during construction. This includes water in equipment drip pans and open containers within the construction areas. All accidental spills must be cleaned up and dried within 12 hours. Remove and dispose of porous materials that remain damp for more than 72 hours.

h. Seal off all supply and return grilles and diffusers with plastic to prevent any dust or debris from entering the ductwork. Seal any unused doors leading to areas that will not be impacted by the construction.

i. Any ceiling tiles removed outside the construction containment area are to be replaced as soon as possible, and as a minimum at the end of each work day.

j. At completion, remove construction barriers and ceiling protection carefully, outside of normal work hours. Vacuum and clean all surfaces free of dust after the removal.

D. Final Cleanup:

1. Upon completion of Project, or as work progresses, remove all construction debris from above ceiling, vertical shafts and utility chases that have been part of the construction.

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2. Perform HEPA vacuum cleaning of all surfaces in the construction area. This includes walls, ceilings, cabinets, furniture (built-in or free standing), partitions, flooring, etc.

3. All new air ducts shall be cleaned prior to final inspection.

E. Also reference Specification 01 57 19 TEMPORARY ENVIRONMENTAL CONTROLS.

1.9 DISPOSAL AND RETENTION

A. Materials and equipment accruing from work removed and from demolition of buildings or structures, or parts thereof, shall be disposed of as follows:

1. Reserved items which are to remain property of the Government include fire extinguishers, signs, tables, trash receptacles, cigarette/trash receptacles, bollards and others as well as items noted on Drawings or in other Specifications. Items that remain property of the

Government shall be removed or dislodged from present locations in such a manner as to prevent damage which would be detrimental to re-installation and reuse. Store such items within Contractor’s storage area as further directed by the COR.

2. Items not reserved shall become property of the Contractor and be removed by Contractor from Medical Center.

3. Items of portable equipment and furnishings located in rooms and spaces in which work is to be done under this Contract shall remain the property of the Government. When rooms and spaces are vacated by the Department of Veterans Affairs during the alteration period, such items which are NOT required by Drawings and Specifications to be either relocated or reused will be removed by the Government in advance of work to avoid interfering with

Contractor's operation.

B. The Contractor shall be responsible for the removal and disposal of transformer(s) and other miscellaneous equipment. None of the materials contain PCBs.

1.10 PROTECTION OF EXISTING VEGETATION, STRUCTURES, EQUIPMENT, UTILITIES AND

IMPROVEMENTS

A. The Contractor shall repair any damage to those facilities, including those that are the property of a third party, resulting from failure to comply with the requirements of this Contract or failure to exercise reasonable care in performing the work. If the Contractor fails or refuses to repair the damage promptly, the Contracting Officer may have the necessary work performed and charge the cost to the Contractor.

B. Refer to Section 01 57 19, TEMPORARY ENVIRONMENTAL CONTROLS, for additional requirements on protecting vegetation, soils and the environment. Refer to Articles, "Alterations", "Restoration", and "Operations and Storage Areas" for additional instructions concerning repair of damage to structures and site improvements.

(Reference FAR 52.236-9 in General Conditions)

1.11 RESTORATION

A. Remove, cut, alter, replace, patch and repair existing work as necessary to install new work. Except as otherwise shown or specified, do not cut, alter or remove any structural work, and do not disturb any ducts, plumbing, steam, gas, or electric work without approval of the COR. Existing work to be altered or extended and that is found to be defective in any way, shall be reported to the COR before it is disturbed.

B. Materials and workmanship used in restoring work, shall conform in type and quality to that of original existing construction, except as otherwise shown or specified.

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C. Upon completion of Contract, deliver work complete and undamaged. Existing work (walls, ceilings, partitions, floors, mechanical and electrical work, lawns, irrigation systems, paving, roads, walks, etc.) disturbed or removed as a result of performing required new work, shall be patched, repaired, reinstalled or replaced with new work, and refinished and left in as good condition as existed before commencing work.

D. At Contractor's own expense, Contractor shall immediately restore to service and repair any damage caused by Contractor's workmen to existing piping and conduits, wires, cables, etc., of utility services or of fire protection systems and communications systems (including telephone) which are indicated on Drawings and which are not scheduled for discontinuance or abandonment.

E. The Drawings show the general location of exiting utilities. The Contractor shall at its own expense verify exact locations and elevations of utilities and make adjustments of the Work to accommodate such utilities. Expense of repairs to such utilities and systems not shown on Drawings will be covered by adjustment to contract time and price in accordance with clause entitled "CHANGES"

(FAR 52.243-4 and VAAR 852.236-88) and "DIFFERING SITE CONDITIONS" (FAR 52.236-2) of

Section 00 72 00, GENERAL CONDITIONS.

1.12 PHYSICAL DATA

A. Data and information furnished or referred to below is for the Contractor's information. The

Government shall not be responsible for any interpretation of or conclusion drawn from the data or information by the Contractor.

B. Government does not guarantee that other materials will not be encountered nor that proportions, conditions or character of several materials will not vary from those indicated by Drawings. Bidders are expected to examine site of work and decide for themselves character of materials and make their bids accordingly. Upon proper application to Department of Veterans Affairs, bidders will be permitted to make subsurface explorations of their own at site.

1.13 PROFESSIONAL SURVEYING SERVICES

A. A registered professional land surveyor or registered civil engineer whose services are retained and paid for by the Contractor shall perform services specified herein and in other Specification

Sections. The Contractor shall certify that the land surveyor or civil engineer is not one who is a regular employee of the Contractor, and that the land surveyor or civil engineer has no financial interest in this Contract.

1.14 LAYOUT OF WORK

A. The Contractor shall lay out the work from Government established base lines and bench marks, indicated on the Drawings, and shall be responsible for all measurements in connection with the layout. The Contractor shall furnish, at Contractor's own expense, all stakes, templates, platforms, equipment, tools, materials, and labor required to lay out any part of the work. The Contractor shall be responsible for executing the work to the lines and grades that may be established or indicated by the Contracting Officer. The Contractor shall also be responsible for maintaining and preserving all stakes and other marks established by the Contracting Officer until authorized to remove them.

If such marks are destroyed by the Contractor or through Contractor's negligence before their removal is authorized, the Contracting Officer may replace them and deduct the expense of the replacement from any amounts due or to become due to the Contractor.

(FAR 52.236-17)

B. Establish and plainly mark such other lines and grades that are reasonably necessary to properly assure that location, orientation, and elevations established for each such structure and/or addition, roads, parking lots, are in accordance with lines and elevations shown on Contract Drawings.

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C. Following completion of general mass excavation and before any other permanent work is performed, establish and plainly mark (through use of appropriate batter boards or other means) sufficient additional survey control points or system of points as may be necessary to assure proper alignment, orientation, and grade of all major features of work. Survey shall include, but not be limited to, location of lines and grades of footings, exterior walls, center lines of columns in both directions, major utilities and elevations of floor slabs:

1. Such additional survey control points or system of points thus established shall be checked and certified by a registered land surveyor or registered civil engineer. Furnish such certification to the COR before any work (such as footings, floor slabs, columns, walls, utilities and other major controlling features) is placed.

D. Whenever changes from Contract Drawings are made in line or grading requiring certificates, record such changes on a reproducible drawing bearing the registered land surveyor or registered civil engineer seal, and forward these drawings upon completion of work to COR.

E. The Contractor shall perform the surveying and layout work of this and other articles and specifications in accordance with the provisions of Article "Professional Surveying Services".

F. The Contractor shall keep on the work site a copy of the Drawings and Specifications and shall at all times give the Contracting Officer and COR access thereto. Anything mentioned in the

Specification and not shown on the Drawings or shown on the Drawings and not mentioned in the

Specifications, shall be of like effect as if shown or mentioned in both. In case of difference between

Drawings and Specifications, the Contractor shall issue a Request for Information (RFI) requesting confirmation as to which shall govern. In case of discrepancy in the figures, in the Drawings, or in the Specifications, the matter shall be promptly submitted to the Contracting Officer, who shall promptly decide in writing. Any adjustment by the Contractor without such a determination shall be at the Contractor’s own risk and expense. The Contracting Officer shall furnish from time to time such detailed drawings and other information as considered necessary unless otherwise provided.

G. Upon completing the work under this Contract, the Contractor shall furnish one hard copy complete sets of all shop drawings, and one electronic set as finally approved. These drawings shall show all changes and revisions made up to the time the equipment and/or system is completed and accepted.

H. The Contracting Officer’s interpretation of the Drawings and Specification will be final, subject to the dispute’s clause.

1.15 AS-BUILT DRAWINGS

A. The Contractor shall maintain one full size sets of as-built drawings which will be kept current during construction of the project, to include all Contract changes, modifications and clarifications.

B. All variations shall be shown in the same general detail as used in the Contract Drawings. To ensure compliance, as-built drawings shall be made available for the COR’s review, as often as requested.

C. Contractor shall deliver one completed sets of as-built drawings to the COR at the time of pre-final inspection to COR for review. Contractor will updated as need and submit one final set to COR.

D. Paragraphs A, B and C shall also apply to all shop drawings.

1.16 USE OF ROADWAYS

A. For hauling, use only established public roads and roads on Medical Center property and, when authorized by the COR, such temporary roads which are necessary in the performance of Contract work. Temporary roads shall be constructed by the Contractor at Contractor's expense. When necessary to cross curbing, sidewalks, or similar construction, they must be protected by appropriate, traffic-rated steel plates secured in place.

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1.17 RESIDENT ENGINEER'S FIELD OFFICE (Not Used)

1.18 TEMPORARY USE OF MECHANICAL AND ELECTRICAL EQUIPMENT

A. Use of new installed mechanical and electrical equipment to provide heat, ventilation, plumbing, light and power will be permitted subject to compliance with the following provisions:

1. Permission to use each unit or system must be given by the COR. If the equipment is not installed and maintained in accordance with the following provisions, the COR will withdraw permission for use of the equipment.

2. Electrical installations used by the equipment shall be completed in accordance with the

Drawings and Specifications to prevent damage to the equipment and the electrical systems, i.e. transformers, relays, circuit breakers, fuses, conductors, motor controllers and their overload elements shall be properly sized, coordinated and adjusted. Voltage supplied to each item of equipment shall be verified to be correct and it shall be determined that motors are not overloaded. The electrical equipment shall be thoroughly cleaned before using it and again immediately before final inspection including vacuum cleaning and wiping clean interior and exterior surfaces.

3. Units shall be properly lubricated, balanced and aligned. Vibrations must be eliminated.

4. Automatic temperature control systems for preheat coils shall function properly and all safety controls shall function to prevent coil freeze-up damage.

5. The air filtering system utilized shall be that which is designed for the system when complete, and all filter elements shall be replaced at completion of construction and prior to testing and balancing of system.

6. All components of heat production and distribution system, metering equipment, condensate returns, and other auxiliary facilities used in temporary service shall be cleaned prior to use;

maintained to prevent corrosion internally and externally during use; and cleaned, maintained and inspected prior to acceptance by the Government.

B. Prior to final inspection, the equipment or parts used which show wear and tear beyond normal, shall be replaced with identical replacements, at no additional cost to the Government.

C. This paragraph shall not reduce the requirements of the mechanical and electrical specifications

Sections.

1.19 TEMPORARY USE OF EXISTING ELEVATORS

A. Use of existing elevators for handling building materials and Contractor's personnel will be permitted subject to following provisions:

1. Contractor makes all arrangements with the COR for use of elevators. The COR will ascertain that elevators are in proper condition. Contractor may use elevators Personnel for operating elevators will not be provided by the Department of Veterans Affairs.

2. Contractor covers and provides maximum protection of following elevator components:

a. Entrance jambs, heads soffits and threshold plates.

b. Entrance columns, canopy, return panels and inside surfaces of car enclosure walls.

c. Finish flooring.

3. Government will accept hoisting ropes of elevator and rope of each speed governor if they are worn under normal operation. However, if these ropes are damaged by action of foreign matter such as sand, lime, grit, stones, etc., during temporary use, they shall be removed and replaced by new hoisting ropes at the contractors expense.

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1.20 TEMPORARY TOILETS

A. Provide where directed (for use of all Contractor's workers), ample temporary sanitary toilet accommodations and hand washing accommodations. Keep such places clean and free from flies, and remove prior to completion of Contract, and premises left perfectly clean. Contractor shall further comply with 29 CFR 1926 Subpart D. The Government may direct relocation of temporary facilities as needs of the Medical Center change.

1.21 AVAILABILITY AND USE OF UTILITY SERVICES

A. The Government shall make all reasonably required amounts of utilities available to the Contractor from existing outlets and supplies, as specified in the contract. The amount to be paid by the

Contractor for chargeable electrical services shall be the prevailing rates charged to the

Government. The Contractor shall carefully conserve any utilities furnished without charge.

B. Heat: Furnish temporary heat necessary to prevent injury to work and materials through dampness and cold. Use of open salamanders or any temporary heating devices which may be fire hazards or may smoke and damage finished work, will not be permitted. Maintain minimum temperatures as specified for various materials.

C. Electricity (for Construction and Testing): Furnish all temporary electric services.

1. Obtain electricity by connecting to the Medical Center electrical distribution system using

OSHA and NEC approved cabling and GFI equipment for all electrical connections. Provide all necessary long-term road crossing system protection. The Contractor shall meter and pay for electricity required for electric cranes. Electricity for all other uses is available at no cost to the Contractor.

D. Water (for Construction and Testing): Furnish temporary water service as needed.

1. Obtain water by connecting to the water distribution system. Provide reduced pressure backflow preventer at each connection.