Project081890SOW.doc

5/27/08

WP 031065

STATEMENT OF WORK

TO

MAINTAIN SUBSTATIONS A, E

AND F

1.

SCOPE OF WORK

A.

The work consists of Maintaining Substations A, E, and F including miscellaneous work as specified. The contractor shall furnish all equipment, labor and materials and shall perform all operations necessary to complete the work.

B. The work shall conform to this statement of work.

2.

LOCATION

The site of the work is Wright-Patterson Air Force Base.

3.

GOVERNMENT FURNISHED PROPERTY

No Government furnished property will be included as part of this project.

4.

INSTRUCTIONS TO THE CONTRACTOR

The superintendent in charge of this work shall personally contact the Engineering Division, Patterson Field Team, Room 218, Building 11, Area C, 88 ABW/CECP, 904-1080 and Base Procurement Branch, WPCC/PMKEA, 257-6383, a minimum of 72 hours before starting site operations, before resumption of seasonal work, before restarting work after a lengthy material delivery delay, and prior to moving men and equipment from one site of work to another.

B.

Not Used.

C.

Visit the work area to become thoroughly familiar with all details of the work and working conditions, verify necessary dimensions in the field, and advise the contracting officer of any discrepancies before performing any work.

E.

The work area will remain occupied by Government personnel during construction.

5.

COORDINATION AND SCHEDULING

Coordinate all work with the project inspector.

6.

FIRE PREVENTION

Obey all requirements of the National Fire Codes.

Do not do any welding or use any flame apparatus without obtaining clearance from the fire inspector. The fire inspector may be contacted by phone, 257-6933. Notify the fire inspector 24 hours in advance of the intended use of any flame apparatus. When using flame apparatus, provide fire protection devices, such as noncombustible coverings and fire extinguishers, as directed by the fire inspector.

7.

APPLICABLE PUBLICATIONS

The following publications of the issue in effect on the date of invitation for bids form a part of this specification.

NFPA 70

National Electrical Code

NFPA 70B

Recommended Practice for Electrical Equipment Maintenance

ANSI/IEEE C2

National Electrical Safety Code

ANSI/IEEE Std 242 Protection and Coordination of Industrial and Commercial Power Systems

8.

MANUFACTURED PRODUCTS

Where a particular system, product, or material is specified by name it shall be considered to be a standard for bidding purposes. The contractor may propose the use of an alternate product by submitting all relevant product information to the contracting officer for approval. To be accepted, the alternate product must be equal to, or better than, the specified product as determined by the contracting officer.

9.

PROTECTION OF GOVERNMENT PROPERTY AND PERSONNEL

Work Areas include the following:

Actual Construction Site - Areas in which the work of the contract is accomplished or performed.

Storage Area - Areas used for the storage of materials and equipment to be used in the work.

Office and Shed Areas - Areas for placing temporary field office, tool or storage sheds.

Transportation Areas - Areas that are defined as streets, roads, driveways, parking areas, or grass areas used for transportation purposes.

Protect Government and non-Government property and personnel on-base from inconvenience and damage or injury of any nature.

Accomplish the work in accordance with the provisions of Federal, State of Ohio Industrial Commission and American Standard Safety Code for Building Construction, American Standard Association. The Air Force project inspector will assist in matters of safety to insure compliance with all contract safety requirements.

D.

It shall be the responsibility of the Contractor with assistance from base personnel to locate all existing utility lines in the field before starting excavation of any kind. Contractor shall process an AF Form 103, Base Civil Engineering Work Clearance Request. Contractor shall notify base personnel 48 hours in advance to schedule an on-site clearance.

Furnish, place and maintain barricades as directed by the contracting officer. Keep access drives and doors clear at all times.

10.

STORAGE AND PROTECTION OF MATERIALS

The contractor is responsible for the storage and safekeeping of all material to be used in the work.

The Contractor may request access to on-base storage facilities. However, such facilities are generally not available to contractors. If on-base, Government-provided storage space is not available the contractor may provide a building, trailer or other facility for storage of materials. Such storage facilities shall meet Air Force and Base fire regulations and be approved by the fire inspector. The storage building, trailer or other facility shall be sited as directed by the Base Civil Engineer and shall be clearly marked on the outside with the name and a day and evening phone number of someone to contact in case of an emergency. The assigned site for a contractor provided storage facility will not necessarily be adjacent to the project.

Do not store any materials in unapproved storage areas.

Deliver materials to the site in undamaged condition. Store material in an approved manner and protect them from contact with the soil, moisture and the elements until ready to be used. Materials shall be labeled for ready identification. Labels shall include name of manufacturer, and name and number of product. Damaged materials shall be removed from the site and replaced with approved materials.

11.

REMOVALS AND SALVAGE

Remove all items required to complete the work.

All removed materials shall become the property of the contractor unless otherwise designated. Remove these materials from the work area as they accumulate and dispose off-base.

12.

DAILY CLEAN UP

Keep the work area clean of all debris on a daily basis or more often as required. Keep storage areas clean and orderly at all times.

Dispose of combustible wastes at the end of each workday and under no circumstances allow them to accumulate.

13.

UTILITIES

The contractor may request access to Government utilities (e.g. house current or tap water in buildings). Such a request must be approved by the contracting officer before the contractor uses any Government utilities.

Required utilities which are not readily available in the work area or which would cause significant expense or inconvenience to the Government shall be provided by the contractor.

Maintain all utilities for the duration of the project. Coordinate through the contracting officer any requirement for temporary disconnection of a utility for ANY period of time.

Accomplish any utility shutdowns for the purpose of disconnecting or connecting services which will affect areas outside the immediate work area after normal base work hours or on weekends.

To effect a utility shutdown submit a request in writing 14 full days in advance of the necessity for the shutdown. The request shall contain the following:

Name of Contractor

Requested Date for Shutdown

Duration of Shutdown

Buildings or Parts of Buildings Affected

Utilities Affected

F.

Do not effect a shutdown until all approvals have been obtained and a signed AF Form 103, Base Civil Engineering Work Clearance Request, has been issued.

G.

In order to prevent damage all excavation around utility lines shall be done by hand. The distances to stay back from the utilities with power excavating equipment shall be at a minimum as follows:

Type of Utility

Clearance From Outside Face

Storm and Sanitary 15" size & larger

1'6"

Storm and Sanitary less than 15" size

2'0"

Gas, Electric, Water, Steam & Air all sizes

2'0"

Fuels, Communications all sizes

5'0"

These tolerances shall not be measured from the centerline of the utility but from each outside face or limit of the utility in both the horizontal and vertical plane. It shall be the Contractor's responsibility to determine the tolerances and layout or stake the distance around the utilities to be excavated by hand.

H.

Damages of any nature caused by this work shall be repaired or damaged property replaced at no expense to the Government. If the contractor does not satisfactorily repair or replace the damaged property, the Government reserves the right to make the necessary corrections. The contractor shall reimburse the Government for consequential damages and for all materials and labor used for the corrections.

14.

ENVIRONMENTAL PROTECTION

Do not discharge fuels, oils, pesticides or any other toxic or hazardous substance into the storm or sanitary sewers of the base. Where applicable, use best management practices to control dust and prevent erosion on the construction site.

Contractor shall submit to the Contracting Officer, who will submit to 88 ABW/EME for approval, an erosion control plan when earthwork is greater than one acre or when the potential for sediment to enter the storm drainage system exist. If earthwork is greater than 5 acres then the plan must meet the requirements of the Ohio Environmental Protection Agency - Authorization for Storm Water Discharges Associated With Construction Activity Under the National Pollutant Discharge Elimination System. If earthwork is less than 5 acres then the plan must follow the format of the OEPA document - specifically site description, controls, and inspection - but need not meet all requirements. For all earthwork the contractor shall take adequate measures to:

Reduce by the greatest extent practicable the area and duration of exposure of readily erodible soils.

Protect the soils by use of temporary vegetation, or seeding and mulch, or by accelerating the establishment of permanent vegetation.

Retard the rate of runoff from construction site and control disposal of runoff.

Trap sediment resulting from construction in temporary or permanent silt holding basins. This includes pump discharge resulting from dewatering operations.

Provide temporary measures for the control of erosion in the event construction operations are suspended for any appreciable length of time.

6.

Provide protection against discharge of pollutants such as chemicals, fuels, lubricants, sewage, etc., into any stream.

Open burning is not permitted on base.

Control litter at all times by keeping it in containers. Remove construction debris from the base and dispose of it in a State approved landfill.

Remove all equipment, drums, containers, and all other construction material upon contract completion.

F.

Container Storage and Labeling Operating Policy shall be considered supplementary to all applicable Federal, State, and Air Force laws, regulations and policies governing the management of containers containing hazardous waste and/or hazardous materials. This policy covers the labeling and security of all items containing HW/HM including drums, bottles, boxes, cans, barrels, bags and miscellaneous containers.

Labels a.

Each container shall be individually labeled. Labels shall be filled out legibly with a waxed based pencil (note: grease pencil) or other marking pen capable of withstanding diverse climate/weather conditions. Marking pen shall resist fading and streaking. Ball-point pens, pencils, and magic markers are not acceptable.

b.

All containers shall have one of the following acceptable labels properly filled out and in good condition displayed:

1) NON-REGULATED WASTE (Blue Label - NON-RCRA but DOT regulated, ie; sodium hydroxide solid)

2) NON HAZARDOUS WASTE (Green label - NON-RCRA / NON-DOT)

3)

HAZARDOUS WASTE

4)

EMPTY

5) HAZARDOUS MATERIAL RAINBOW LABEL (Note: ID of chemical, hazard warnings, name and address of manufacture or other responsible party; note: not acceptable for waste materials)

6) MANUFACTURES LABEL (must have same information as required by RAINBOW label for HM)

7) LOCALLY DEVELOPED LABEL (consistent with section four listed below) c.

If a label becomes lost, worn, faded, or defaced in any manner, label shall be immediately replaced. Paper labels exposed to adverse weather conditions should be protected with a plastic overlaying to prevent deterioration.

d.

Labels shall be properly filled out consistent with 29 CFR 1910.1200 (h), AFOSH Standard 161-21 and 40 CFR 262.32.

e.

All containers that contain HW/HM shall have the operating organization and responsible parties name stenciled on the container/label. For bottles and vials too small to stencil, a self adhering label or tag containing the above mentioned information may be substituted. Bar coding systems that currently contain this information will meet this requirement (Note: all containers less than 1 gallon must have the specified information stenciled on it.

f.

Containers of unknown constituents shall be identified immediately, and the 88 ABW/EMC notified for sampling support. All unknown containers shall be marked with the following information after being identified:

1) Date with EM was notified.

2) Name and organizational symbol of responsible party.

3) Phone number of responsible party.

4) Date, organization symbol, phone #, and initials of sampler.

g.

Areas where more than 12 containers are stored homogeneously, must be clearly sectioned off and identified that containers are empty. These shall have a sign affixed adjacent to the storage area to clearly identify BULK EMPTY CONTAINER STORAGE.

Security/management a.

All containers must be secured so that it is under control of the responsible organization and to prevent access to unauthorized personnel.

b.

Container storage areas for substances in excess of the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA) Reportable Quantity (RQ) must be coordinated through the Fire Dept., Safety, Bioenvironmental and Environmental Management.

c.

Any storage area that stores HM/HW in quantities less than 30 gallons or in excess of the RQ must have a written Site Specific Spill Plan (SSSP0 consistent with 40 CFR 265.52.

d.

Any questions regarding the labeling and management of containers or should you require special assitance, contact the Office of Environmental Management, Waste Management Branch at 257-7152.

G.

Coordinate with the 88th Environmental Management Branch, 88 ABW/EM, 257-7152, prior to the start of any contract involving the removal and disposal of asbestos, polychlorinated biphenyls or other regulated hazardous waste.

15.

SUBMITTALS

Submit for approval all items described below:

Test Reports

Submit a minimum of 5 copies of all information requested.

All submittals must be turned in no later than fourteen (14) days after tests have been performed. Allow seven (7) days for return.

All submittals shall be accompanied by a completed AF Form 3000. All separate items forming parts of any submittal shall be clearly marked to indicate the specific item and applicable material specification section to which they apply.

16.

CLOSEOUT PROCEDURES

When the contract is substantially complete, notify the contracting officer and request a prefinal inspection. Submit notification, in writing, a minimum of 4 working days prior to the desired inspection date. Include with the notification a list of work items that are yet to be completed.

17.

TESTING AT SUBSTATION A

A. Calibrate 18 solid state three phase overcurrent (50/51) relays as recommended by the manufacturer. The 50/51 relays are ABB type MMCO overcurrent relays with ground.

B. Measure the current from each current transformer (CT) that is connected to the 18 solid state three phase overcurrent (50/51) relays, the 2 sets of transformer differential (87T) relays, the 3 pilot wire (85) relays, and the bus differential (87B) relay.

C. Inspect, clean, and megger the two main horizontal buses in the 15kV switchgear. The megger test shall be in accordance with the switchgear manufacturer’s instructions. The switchgear is Cutler Hammer that includes 15kV Cutler Hammer type VCP-W circuit breakers and related components.

D. Test the two sets of transformer differential (87T) relays for proper calibration in accordance with the manufacturer’s instructions for the Acceptance Tests. Two sets of the 87T relays are a set of 3 ABB type 87T, Catalog series 419, transformer differential relays. Each of the connected six CT’s to each 87T relay shall be shorted one at a time to verify proper relay operation.

E. Test the bus differential (87B) relay for proper calibration in accordance with the manufacturer’s instructions for the Acceptance Tests. The 87B relay is an ABB type 87B, Catalog series 419B, high impedance differential relay. Each of the connected fifteen CT’s to the 87B relay shall be shorted one at a time to verify proper relay operation.

F. Test the two pilot wire (85) relays for proper calibration in accordance with the manufacturer’s instructions for the Acceptance Tests for the pilot wire relays and the pilot wire monitoring relays. The pilot wire (85) relays are GE Type SPD11A static pilot wire relays.

G. Electrically operate fifteen 15kV circuit breakers to both trip and close to verify proper operation. Perform hipotential test for fifteen 15kV circuit breakers in accordance with manufacturer’s instructions. Clean each 15kV breaker cell before performing hipotential test. Measure the contact resistance for each primary contact in each 15kV circuit breaker. The circuit breakers are Cutler Hammer type VCP-W circuit breakers.

H. Electrically operate 5-69kV circuit breakers to both trip and close to verify proper operation. Perform hipotential test, measure the contact resistance, clean the porcelain, measure the contact wipe, measure travel, and check the trip and close times for 5-69kV circuit breakers in accordance with manufacturer’s instructions. Clean each 69kV bushing. Four of the 69kV circuit breakers are a Mitsubishi type SFMT circuit breaker and the fifth 69kV circuit breaker is an AEG Type DT1.

I. Take an oil sample from each of two power transformers and each of the two power transformer tap changers. Perform a dissolved gas analysis test in accordance with ASTM D 3612 on each of the 4 oil samples. Perform a dielectric breakdown test in accordance with ASTM D 877 on each of the 4 oil samples.

J. Perform insulation resistance test for each winding to winding and each winding to ground for each of two power transformers. Clean each power transformer bushing before test. Each power transformer is a Virginia Transformer 15/20/25MVA transformer with vacuum type load tap changer.

K. Perform insulation power factor test for each transformer primary winding, secondary winding, primary surge arrester, and primary bushing for each of the two power transformers named in Paragraph J.

L. Perform insulation power factor test for each of three sets of three 72kV lightning arresters.

18. TESTING AT SUBSTATION E

A. Calibrate eight solid state three phase overcurrent (50/51) relays as recommended by the manufacturer. The solid state 50/51 relays are ABB Type MMCO relays with ground.

B. Measure and record the current from each current transformer (CT) that is connected to the 8-50/51 relays, the bus differential (87B) relay, the transformer differential (87T) relay, and the pilot wire (85) relay.

C. Inspect, clean, and megger the main horizontal bus in the 15kV switchgear. The megger test shall be in accordance with the manufacturer’s instructions. The switchgear is manufactured by CGI and includes GE type Power Vac II circuit breakers along with related components.

D. Test the 87T relay for proper calibration in accordance with the manufacturer’s instructions for the Acceptance Tests. The 87T relay is a set of three ABB type 87T, catalog series 419, transformer differential relays. Each of the connected six CT’s to the 87T relay shall be shorted one at a time to verify proper relay operation. Record all currents during each of these tests.

E. Test the 85 relay for proper calibration in accordance with the manufacturer’s instructions for the Acceptance Tests for the pilot wire relays and the pilot wire monitoring relays. The 85 relay is a GE Type SPD11A static pilot wire.

F. Test the 87B bus differential relay for proper calibration in accordance with the manufacturer’s instructions. The 87B relay is an ABB type 87B, catalog series 419B, high impedance differential relay. Each of the connected six CT’s to the 87T relay shall be shorted one at a time to verify proper relay operation. Record all currents during each of these tests.

G. Electrically operate 7-15kV circuit breakers to both trip and close to verify proper operation. Perform hipotential test for 7-15kV circuit breakers in accordance with manufacturer’s instructions. Clean each 15kV circuit breaker cell before performing hipotential test. Measure contact resistance for each primary contact in each 15kV circuit breaker. Circuit breakers are GE Type Power Vac II circuit breakers.

H. Electrically operate the 69kV circuit breaker to both trip and close to verify proper operation. Perform hipotential test, measure the contact resistance, clean the porcelain, measure the contact wipe, measure travel, and check the trip and close times for the 69kV circuit breaker in accordance with manufacturer’s instructions. Clean each 69kV bushing. The 69kV circuit breaker is a Mitsubishi Type SFMT.

I. Perform insulation resistance test for each winding to winding and each winding to ground for the power transformer. Clean each power transformer bushing before test. The power transformer is a 15/20/25MVA transformer with an under oil load tap changer, manufactured by GE.

J. Perform insulation power factor test for each transformer primary winding, secondary winding, primary surge arrester, and primary bushing for the power transformer named in Paragraph I.

K. Take an oil sample from the power transformer and the power transformer load tap changer. Perform a dissolved gas analysis test in accordance with ASTM D 3612 on each of the 2 oil samples. Also perform a dielectric breakdown test in accordance with ASTM D 877 on each of the 2 oil samples.

L. Drain and filter the oil from the power transformer load tap changer until oil is clear. Inspect inside load tap changer including wear and alignment of all contacts. Clean contacts as required for proper operation of the load tap changer. Maintain vacuum for 24 hours on load tap changer compartment before refilling load tap changer. Load tap changer shall also be refilled with compartment under vacuum. Oil shall be handled in such a way to minimize contact with air.

M. Perform insulation power factor test for each of the three 72kV lightning arresters.

19. TESTING AT SUBSTATION F

A. Calibrate seven solid state three phase overcurrent (50/51) relays as recommended by the manufacturer. The solid state 50/51 relays are ABB Type MMCO relays with ground.

B. Measure and record the current from each current transformer (CT) that is connected to the 7-50/51 relays, the bus differential (87B) relay, the transformer differential (87T) relay, and the pilot wire (85) relay.

C. Inspect, clean, and megger the main horizontal bus in the 15kV switchgear. The megger test shall be in accordance with the manufacturer’s instructions. The switchgear is manufactured by GE which includes GE type Power Vac II circuit breakers and related components.

D. Test the 87T relay for proper calibration in accordance with the manufacturer’s instructions for the Acceptance Tests. The 87T relay is a set of three ABB type 87T, catalog series 419, transformer differential relays. Each of the connected six CT’s to the 87T relay shall be shorted one at a time to verify proper relay operation. Record all currents during each of these tests.

E. Test the 85 relay for proper calibration in accordance with the manufacturer’s instructions for the Acceptance Tests for the pilot wire relays and the pilot wire monitoring relays. The 85 relay is a GE Type SPD11A static pilot wire.

F. Test the 87B bus differential relay for proper calibration in accordance with the manufacturer’s instructions. The 87B relay is an ABB type 87B, catalog series 419B, high impedance differential relay. Each of the connected six CT’s to the 87T relay shall be shorted one at a time to verify proper relay operation. Record all currents during each of these tests.

G. Electrically operate 7-15kV circuit breakers to both trip and close to verify proper operation. Perform hipotential test for 7-15kV circuit breakers in accordance with manufacturer’s instructions. Clean each 15kV circuit breaker cell before performing hipotential test. Measure contact resistance for each primary contact in each 15kV circuit breaker. Circuit breakers are GE Type Power Vac II circuit breakers.

H. Perform insulation resistance test for each winding to winding and each winding to ground for the power transformer. Clean each power transformer bushing before test. The power transformer is a 15/20/25MVA transformer with an under oil load tap changer, manufactured by GE.

I. Perform insulation power factor test for each transformer primary winding, secondary winding, primary surge arrester, and primary bushing for the power transformer named in Paragraph H.

J. Take an oil sample from the power transformer and the power transformer load tap changer. Perform a dissolved gas analysis test in accordance with ASTM D 3612 on each of the 2 oil samples. Also perform a dielectric breakdown test in accordance with ASTM D 877 on each of the 2 oil samples.

K. Drain and filter the oil from the power transformer load tap changer until oil is clear. Inspect inside load tap changer including wear and alignment of all contacts. Clean contacts as required for proper operation of the load tap changer. Maintain vacuum for 24 hours on load tap changer compartment before refilling load tap changer. Load tap changer shall also be refilled with compartment under vacuum. Oil shall be handled in such a way to minimize contact with air.

L. Perform insulation power factor test for each of the three 72kV lightning arresters.

20.

ELECTRICAL TEST REQUIREMENTS

Record the results of all tests, measurements, calibrations and submit all results in triplicate. Test results for each substation shall be submitted separately in a folder. Each submittal shall include a summary sheet(s) that summarizes test results and lists each test result that does not meet the manufacturer’s recommended results. Each test data sheet shall include the equipment description, manufacturer, type, and serial number that the test(s) were performed on. General observations on the condition of the equipment shall be recorded.

All tests shall be coordinated with the Contracting Officer. Only one relay may be taken out of service at a time. Only one breaker may be taken out of service at a time. Tests of the 87T and 85 relays which may operate breakers shall be coordinated with the Exterior Electric Shop, Tom Calderone at 257-7730, in such a way that the shop may disable the tripping of any affected breakers before any tests occur. Testing which will result in a power outage shall occur from 1800 Friday to 0600 Monday or from 1800 to 0600 daily. Testing of circuit breakers will require coordination with the Exterior Electric shop, require a minimum of 7 day notice, and will require a minimum of 2 hours in between each circuit breaker tested for the Exterior Electric Shop to effect circuit switching to accommodate the required circuit power outage.

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