turbine generator 7 inspection request for proposals

Turbine Generator 7 Inspection

Request for Proposals

City of Coffeyville Municipal Light & Power

102 W. 7th St. P.O. Box 1629

Coffeyville, Kansas 67337 620.252.6180

www.coffeyville.com

http://www.coffeyville.com/

TABLE OF CONTENTS

DIVISION 0 FRONT-END DOCUMENTS

00200 Instructions to Bidders 00400 Proposal Form 00500 Agreement Form 00700 General Conditions DIVISION

1 GENERAL REQUIREMENTS

01100 Summary of Work 01300 Administrative Requirements

DIVISION 15 MECHANICAL

15001 Steam Turbine Inspection

DIVISION 16 ELECTRICAL

16001 Generator Inspection

COF001-01-09-0023 - Turbine Generator 7 Inspection TABLE OF CONTENTS 2018 - Issued for Bid Page i

DIVISION 0

FRONT-END DOCUMENTS

COF001-01-09-0023 - Turbine Generator 7 Inspection 2018 - Issued for Bid

SECTION 00200 Page 1

SECTION 00200

INSTRUCTIONS TO BIDDERS

PART 1 GENERAL

1.1 GENERAL

A. Proposals are requested by the City of Coffeyville, Kansas, hereinafter referred to as the “Owner”, for labor, equipment, materials, and related work set forth in the attached Specifications for:

Project Name: Coffeyville Power Station

Turbine Generator 7 Inspection 605 Santa Fe P.O. Box 1629 Coffeyville, KS 67337

1.2 PROPOSALS

A. Two copies of the proposal, including one electronic media copy (disc or flash drive)

shall be submitted in a sealed envelope distinctly marked "Turbine Generator 7 Inspection" with the title of the work as shown above and delivered to the City of Coffeyville, Kansas (Owner) no later than 2 p.m. on September, 26, 2018.

Shipping Address: City of Coffeyville, Kansas, Municipal Light & Power P.O. Box 1629 Coffeyville, KS 67337 Attention: Cindy Price, City Clerk Phone: (620) 252-6108

B. The proposal shall be signed with the full name and local address of the proposer; if a co-

partnership, by a member of the firm with the name and address of each member; if a corporation, by an officer in the corporate name and with the corporate seal if a seal has been procured by said corporation.

C. Unless otherwise stipulated herein, the Owner reserves the right to reject any and all

proposals, to accept other than the lowest proposal, to accept one part of a proposal and reject the other, to effect a combination of proposals, and to waive any technical informalities in any proposal.

1.3 CONTRACT LANGUAGE REVISION

A. It is the responsibility of the proposer to carefully examine the Contract Documents in the

preparation of his proposal. Each proposal shall be carefully prepared using the proposal and data forms found herewith. Entries on the proposal and data forms shall be typed, using dark black ribbon, or legibly written in black ink. All prices shall be stated in words and figures, except where the forms provide for figures only.



B. Each proposer shall list, in the space provided on the proposal form, all exceptions or conflicts between their proposal and these Specifications.

C. All exceptions shall be specific in nature and referenced to the applicable article of these

Specifications. Conflict notations which make reference to the proposer's descriptive information as a whole will not be acceptable.

D. The proposer shall not alter any part of these Specifications in any way, except by stating

his exceptions in the space provided on the Proposal Form. 1.4 PRE-BID PROPOSER INQUIRY

A. All questions should be addressed to:

Tony Lawson Superintendent of Electric Generation Phone: (620) 252-6188 Email: [email protected]

1.5 DUE DATE

A. The proposal is due as directed in this Section, Item 1.2 - Proposals. Proposals are due on or before the time and date indicated in the letter of transmittal received with the proposal documents. Any proposals received after that time will be deemed unresponsive and will not be considered.

END OF SECTION

mailto:[email protected]


SECTION 400 Page 1

SECTION 00400

PROPOSAL FORM

PART 1 GENERAL

1.1 GENERAL

A. In response to the invitation for proposals dated , received from the City of Coffeyville, Kansas for the project known as:

Project Name: Coffeyville Municipal Light & Power

Turbine Generator 7 Inspection 605 Santa Fe P.O. Box 1629 Coffeyville, KS 67337

B. The undersigned hereby proposes and agrees to supply the

materials, equipment, and labor in the time specified in the Contract Documents. All prices are firm. $

Proposer

By

Title

Date

Phone

END OF SECTION


SECTION 500 Page 1

SECTION 00500

AGREEMENT FORM

PART 1 GENERAL 1.1 GENERAL

A. It is understood that this proposal constitutes a firm offer which cannot be withdrawn for

60 days after the date set for opening of proposals, unless the Owner accepts a proposal by another party on the same materials and equipment prior to the expiration of such 60-day period. When accepted in writing as hereinafter provided, this proposal shall constitute a Contract by the undersigned to supply the materials and equipment in accordance with the Contract Documents issued for this project, all of which are by this reference incorporated in this proposal.

B. The undersigned hereby certifies that he has examined and is familiar with the Contract

Documents specifying the materials and equipment and understands that Owner will not be responsible for any errors or omissions on the undersigned's part in making up this proposal.

C. The undersigned further certifies that he can and will supply the labor, materials, and

equipment in accordance with the schedule specified in the Terms and Conditions of the Contract.

D. The undersigned hereby declares that the following list states any and all variations from,

and exceptions to, the requirements of the Contract Documents and that, otherwise, it is the intent of this proposal that the work will be performed in strict accordance with the Contract Documents. Insert additional pages, if necessary.

E. Dated this day of , 20 .

Proposer

By

Title

Phone



SECTION 00700

GENERAL CONDITIONS

PART 1 GENERAL 1.1 APPLICABLE TERMS AND CONDITIONS

A. The terms and conditions of sale set forth herein, and all Drawings, Specifications,

descriptions, and all other Documents attached hereto and incorporated herein by reference, constitute the entire Contract between Contractor and the City of Coffeyville, Kansas, hereinafter called “Owner”. The City of Coffeyville, Kansas terms and conditions on the Purchase Order shall be considered part of the Contract.

1.2 SCOPE OF WORK

A. The Contractor shall provide all labor, equipment, materials, and services described in the

Contract Documents in accordance with the terms and conditions as set forth in the Contract.

1.3 WARRANTY

A. The Contractor warrants the work sold hereunder conforms to applicable Drawings and

Specifications, and will be free from defects in material and workmanship for a period of 12 months from the date of initial operations following the unit outage or 24 months from the date of delivery, whichever period last expires. If within that period, Contractor receives from Owner written notice of any defect in, or non-conformance of work, and if the work does not conform or is found to be defective in material or quality, Contractor will furnish, at Contractor's own expense, a service representative, tools, supervision, and labor needed to correct all defects. Such correction shall not be in lieu of any other remedies available by law or in equity to Owner.

B. All costs of transportation of products claimed not to be as warranted and of replacement

products, both to and from Contractor's service facility, shall be borne by Contractor. 1.4 TAXES

A. Contractor's prices shall exclude sales, use, excise, or similar taxes and duties. All taxes

shall be listed separately. 1.5 SCHEDULE

A. The work under this Contract shall be complete in accordance with Section 01100 -

Summary of Work, Item 1.4 - Project Milestones. Contractor acknowledges and understands that time shall be of the essence.

END OF SECTION

DIVISION 1

GENERAL REQUIREMENTS


SECTION 1100 Page 1

SECTION 01100

SUMMARY OF WORK

PART 1 GENERAL 1.1 SUMMARY

A. This Section includes plant description, work covered by Contract Documents, work by

purchaser, and project milestones. 1.2 PLANT DESCRIPTION

A. The Coffeyville Power Station is located in Coffeyville, Kansas. It consists of two natural

gas-burning, electric-generating units designed to produce approximately 55 MW at maximum capacity.

B. Turbine Generator 7 is a General Electric steam turbine generator with a guaranteed

rating of 38.2 MW. 1.3 WORK COVERED BY CONTRACT DOCUMENTS

A. Work for this Contract consists performing an inspection of the City of Coffeyville,

Kansas, Coffeyville Power Station Turbine Generator 7.

B. The purpose and intent of the Contract Documents is to require that all material and labor necessary for a complete inspection shall be provided. No wording or intention of the Contract Documents is contrary to this statement, except where specific mention is made that material or services will be furnished under other contracts or by the Owner.

C. The work includes providing equipment, materials, disassembly, assembly,

transportation, and services specified herein.

D. The work includes furnishing all supervision, labor, transportation, materials, storage facilities, and construction tools and equipment required for the inspection of the turbine generator.

E. The work includes the Contractor and Contractor's vendor services of technical direction

as required disassembly, inspection, and re-assembly of turbine-generator and placing turbine generator into successful operation after inspection.

F. The work includes, but is not limited to, the following items which are listed for the

Contractor's convenience in understanding the scope of work: 1. Disassembly of turbine generator. 2. Inspection of turbine generator. 3. Re-assembly of turbine generator. 4. Placing turbine generator into successful operation.


SECTION 2100 Page 1

5. Providing the following services, materials, and products: a. Project management. b. Project coordination. c. Field engineering services. d. Craft labor. e. Reporting. f. Tooling.

1.4 PROJECT MILESTONES

A. The following schedule of events shall be maintained by the Contractor and Purchaser:

1. Proposals Due to City: September 26, 2018 2. Notice of Award: October 10, 2018 (Tentative) 3. Project Kick-Off Meeting: October 24, 2018 (Tentative) 4. Scheduled Project Start Date: November 5, 2018 (Tentative) 5. System Start-Up: TBD at discretion of

Owner .

PART 2 PRODUCTS

Not used.

PART 3 EXECUTION

Not used.

END OF SECTION



SECTION 01300

ADMINISTRATIVE REQUIREMENTS


A. This Section includes permits and licenses and project contract kick-off meeting.

1.2 PERMITS AND LICENSES

A. Procure and pay for all City, County, and State permits and licenses, including municipal

business license.

B. Provide all notices necessary and incidental to due and lawful prosecution of the work.

C. Display all permits and licenses as required. 1.3 PROJECT CONTRACT KICK-OFF MEETING

A. Owner will schedule a meeting after Notice of Award. Expected date(s) and location are

shown in Section 01100 - Summary of Work, Item 1.4 - Project Milestones.

B. Attendance Required: Owner, Contractor's Project Manager, Contractor's key project personnel, and Contractor's local representative.

C. Agenda:

1. Distribution of Contract Documents. 2. Submission of work progress schedule. 3. Designation of personnel representing parties in Contract. 4. Procedures and processing of submittals, substitutions, applications for

payments, proposal request, change orders, and Contract closeout procedures. 5. Discuss equipment details. 6. Establish a working understanding between parties as to their relationships

during conduct of the work. PART 2 PRODUCTS

Not used.

PART 3 EXECUTION

Not used.

END OF SECTION

DIVISION 15

MECHANICAL



SECTION 15001

TURBINE INSPECTION


A. General: The Contractor will provide the following maintenance inspection services

anticipated to be required for the timely execution of this project.

B. Project Management: Provide full-time coverage by a member of Contractor’s field engineering staff through the completion of the outage. Close cooperation will be maintained with the Owner’s personnel to define and manage outage tasks associated with: 1. Turbine component inspection. 2. Engineering recommendations and modifications. 3. Coordination of Contractor-supplied personnel. 4. General scheduling and coordination. 5. Designating work and lay down areas. 6. Provide liaison between Contractor and Purchaser. 7. Direct labor crew through Foremen.

C. Job Site Management: Provide full-time coverage by a member of Contractor’s field

engineering staff through the completion of the outage. Close cooperation will be maintained with the Owner’s personnel to define and manage outage tasks associated with: 1. Planning and scheduling the inspection. 2. Documenting activities outside the scope of this proposal. 3. Monitoring and evaluating project activities and making appropriate

recommendations so as to help keep project on schedule. 4. Determination and coordination of future and daily work efforts as well as

coordinating on-site and off-site activities (such as service center work).

D. Project Coordination: Job coordination will consist of daily on-site meetings with the Maintenance Superintendent or his designated representative to review work activities.

E. Field Engineering Services: Field engineering services is engineering and technical

guidance, advice, and counsel based upon current engineering, manufacturing, installation, and operating practices for the equipment involved.

F. Craft Labor: Craft labor and competent craftsmen and foremen will be supplied by

Contractor. Contractor will select and supervise craftsmen and foremen and be responsible for the quality of the work and acts of the craft labor being supervised.

G. Reporting: Five copies of a final written report of the inspection, including conditions

found, work performed, clearances, operational data recorded, rework of hardware, and usage of spare and renewal parts will be prepared and submitted after the unit is returned to commercial service.



H. Tooling: All required turbine maintenance tooling not provided by the Owner will be supplied by the Contractor. It is the Contractor’s responsibility to determine the extent of Owner’s existing tooling.

PART 2 PRODUCTS

Not used.

PART 3 EXECUTION

3.1 INSPECTION

A. The following defines the outage scope of work relating to the turbine inspection and is

based upon disassembly, inspection, cleaning, and reassembly.

B. The unit will be opened and the shell, diaphragms, and rotor shall be removed.

C. Lagging: 1. Re-install appearance lagging as required (repairs not included). 2. Re-install non-asbestos heat retention material.

D. Alignment Checks: Alignment checks will be made as listed below. All alignment and

clearance checks are to be made with the unit cold unless otherwise noted. 1. Rub check on radial packing. 2. Check points of axial rubbing. 3. Check coupling alignment at assembly.

E. Rotor Position: Spot check wheel, diaphragm packing clearances, and rotor position at

reassembly.

F. Front Standard: 1. Disassemble and inspect main operating cylinder and pilot valve assembly.

Record inspection data and provide recommendations. Reassemble components. 2. Disassemble and inspect main shaft pump and control rotor drive assembly.

Record inspection data, provide recommendations, and reassemble. 3. Visually inspect emergency governor and trip mechanism. Inspect for loose

and/or tight linkages. 4. Note: Any inspection/refurbishment of the Woodward governor will be handled

as extra work.

G. Bearings: 1. Check and record condition of babbitt, ball seat and journals (visual). 2. Record bearing contact area (journal and thrust bearings). 3. Lightly clean bearing babbitt surface(s) to remove any embedded foreign

particles. 4. Check and record journal clearances. Recommend corrective action, as

necessary. 5. Visually examine bearing ring to ball seat and bearing cap contact. Check and

record pinch on each bearing.



6. Measure and record diameters of bearings. 7. Measure and record bearing twist and tilt as required. 8. Measure and bump check thrust bearing clearance. 9. Check thrust bearing wear detector.

H. Turbine Rotors:

1. Record size and physical condition of journal surfaces. 2. Visually examine condition of coupling face, rabbet fit, and bolt holes. Measure

and record coupling fits. 3. Determine rub pattern and record. 4. Examine balance weights; check for tightness; record position of weights in all

rings. 5. Blast and NDE rotor.

I. Diaphragms:

1. Make visual inspection of partitions, steam joints, keys, and bridges. 2. Record unusual erosion patterns. 3. Blast and NDE diaphragms.

J. Shells and Exhaust Hood (Upper Halves Only, Removed):

1. Visually examine upper and lower interior surfaces, ledges, struts, heat baffles, and companion fits for erosion, distortion, and/or galling.

2. Clean horizontal joints and examine for distortion. Record pattern if distortion is found.

3. Examine (visual only) drain holes for blockage and/or erosion. 4. Visually inspect atmospheric relief diaphragms. 5. Visually inspect all bolting and record bolt extensions. 6. Reassemble using applicable high-temperature joint compound and thread

lubricant. Stress joint bolts as necessary and record stress values.

K. Packing: 1. Record condition of steam packing and springs. 2. Record condition of diaphragm packing and springs.

L. Oil Deflectors:

1. Record conditions. 2. Clean, as required. 3. Record clearances.

M. Valves: Visually examine and re-establish design stem-to-bushing clearance by cleaning.

N. Main Stop Valves (Steam Side Only):

1. Disassemble steam side only for inspection. 2. Check condition of discs and seats (visual), including contact check

between seat and disc. 3. Record clearances and check run out of stems (three locations). 4. Clean stems and bushing, as required per try bar test. 5. Visually examine steam strainers. 6. Record bolt extensions. 7. Blast and NDE valve components.



O. Control Valves (Steam Side Only): 1. Check condition of discs and seats (visual), including contact between seats and

discs. 2. Record clearances and check run out of stems (three locations). 3. Clean stems and bushings, as required by try bar tests. 4. Inspect linkages, pins, and bearings. 5. Blast and NDE valve components.

P. Turning Gear:

1. Examine gears for contact pattern and condition. 2. Check clearance between clash gear and bull gear. 3. Check engaging mechanism.

Q. Emergency Governor: Inspect for deposits and fretting.

R. Lubrication System:

1. Oil Tank: Visually inspect condition of oil tank. 2. Bearing and Seal Oil Pumps:

a. Disassemble impeller casing and check seal ring clearances. b. Visually inspect impeller and casing. c. Clean and inspect screens.

3. Emergency Bearing and Seal Oil Pump: a. Disassemble pump and record bearing and seal ring clearances. b. Inspect condition of component parts. c. Clean and inspect screens.

4. Auxiliary Oil Pump: a. Disassemble pump and record bearing and seal ring clearances. b. Inspect condition of component parts. c. Clean and inspect screens.

5. Oil Recirculation: Provisions will be made to circulate oil with temporary tank screens for 24 hours.

S. Startup and Checkout: Operational checks after completion of overhaul shall be made

jointly with Contractor and Owner personnel. 1. Prior to Startup:

a. Check operation of main stop and control. b. Check operation of oil pumps. c. Check operation of non-return valves.

2. During Startup: a. Check vibration readings. b. Check unit temperatures. c. Check thrust bearing wear detector settings. d. Check over speed trip device.

3. Operation (Unit Synchronized): a. Check vibration readings. b. Check valve testing devices for proper operation. c. Check performance data at same loads recorded prior to shutdown.

END OF SECTION

DIVISION 16

ELECTRICAL



SECTION 16001

GENERATOR INSPECTION


A. General: The Contractor will provide the following maintenance inspection services

anticipated to be required for the timely execution of this project.

B. Project Management: Provide full-time coverage by a member of Contractor’s field engineering staff through the completion of the outage. Close cooperation will be maintained with the Owner’s personnel to define and manage outage tasks associated with: 1. Generator component inspection. 2. Engineering recommendations and modifications. 3. Coordination of Contractor-supplied personnel. 4. General scheduling and coordination. 5. Designating work and lay down areas. 6. Provide liaison between Contractor and Purchaser. 7. Direct labor crew through foremen.

C. Job Site Management: Provide full-time coverage by a member of Contractor’s field

engineering staff through the completion of the outage. Close cooperation will be maintained with the Owner’s personnel to define and manage outage tasks associated with: 1. Planning and scheduling the inspection. 2. Documenting activities outside the scope of this proposal. 3. Monitoring and evaluating project activities and making appropriate

recommendations so as to help keep project on schedule. 4. Determination and coordination of future and daily work efforts as well as

coordinating on-site and off-site activities (such as service center work).

D. Project Coordination: Job coordination will consist of daily on-site meetings with the Maintenance Superintendent or his designated representative to review work activities.

E. Field Engineering Services: Field engineering services is engineering and technical

guidance, advice, and counsel based upon current engineering, manufacturing, installation, and operating practices for the equipment involved.

F. Craft Labor: Craft labor and competent craftsmen and foremen will be supplied by

Contractor. Contractor will select and supervise craftsmen and foremen and be responsible for the quality of the work and acts of the craft labor being supervised.

G. Reporting: Five copies of a final written report of the inspection, including conditions

found, work performed, clearances, operational data recorded, rework of hardware, and usage of spare and renewal parts will be prepared and submitted after the unit is returned to commercial service.



H. Tooling: All required generator maintenance tooling not provided by the Owner will be supplied by the Contractor. It is the Contractor’s responsibility to determine the extent of Owner’s existing tooling.

PART 2 PRODUCTS

Not used.

PART 3 EXECUTION

3.1 INSPECTION

A. The following defines the outage scope of work relating to the generator inspection and is

based upon disassembly, inspection, cleaning, and reassembly.

B. The generator links will be removed, the unit will be opened, and the rotor shall be removed.

C. Stator Tests and Inspections:

1. RTD Element Resistance: Perform element resistance test of gas and winding RTDs for calibration and poor connections.

2. RTD Ground Insulation: Perform RTD ground insulation test of the stator winding RTDs to determine condition of RTD ground insulation.

3. Winding Copper Resistance: Perform winding copper resistance tests of the stator windings for poor connections and breaks.

4. Insulation Resistance (Megger): a. Megger CE bearing for contamination and/or deterioration of the

insulation. b. Megger hydrogen seal casing for contamination and/or deterioration of

the insulation. 5. Polarization Index: Perform polarization index tests of the stator windings for

contamination and/or deterioration of the insulation. 6. DC Leakage Current: Perform dc leakage current test of the stator windings for

contamination and/or deterioration of the insulation. 7. Over Potential/Hi-Pot: Hi-Pot stator windings for ground wall insulation

integrity. 8. Wedge Tightness Map: Perform wedge tightness map of stator wedges to detect

wedge tightness deterioration. 9. Magnetic Scalar Potential: Perform magnetic scalar potential test of the stator

core insulation to identify weak or damaged core enamel. 10. Partial Discharge Analysis: Perform partial discharge analysis test of stator

winding insulation to identify localized deterioration. 11. Core Ring Test: Perform core ring test of stator core insulation to identify weak

or damaged core enamel. 12. Dynamic Frequency Response: Perform dynamic frequency response test of

stator end winding to identify potentially damaging resonance.



13. Perform the following specific visual inspections: a. Core laminations to identify foreign object damage. b. Space blocks to identify block space block migration or cooling passage

blockage. c. Gas gap blocks to identify cracked welds or looseness. d. Stator wedges to identify evidence of abrasion or looseness. e. Stator bars to identify evidence of abrasion or looseness. f. End windings and connection rings to identify evidence of relative

motion, lose or broken ties and hardware, and corona activity. g. Copper flux shield to identify overheating and hardware looseness. h. Overall cleanliness to identify oil or other contamination.

D. Rotor Tests and Inspections:

1. Winding Copper Resistance: Perform winding copper resistance test of field winding for poor connections and breaks.

2. Polarization Index: Perform polarization index tests of the stator windings for contamination and/or deterioration of the insulation.

3. AC Impedance: Perform ac impedance test of field inter-turn insulation for turn shorts and speed-sensitive turn shorts.

4. Over Potential/Hi-Pot: Hi-Pot field winding for ground wall insulation integrity. 5. Air Gap Flux Probe: Perform air gap flux probe test of for shorted turns at

operating speeds. 6. Perform the following specific visual inspections:

a. Field surface to identify heating, arcing, and foreign object damage. b. Body weights to identify looseness and staking. c. Field wedges to identify arcing, migration, and cracking. d. Retaining ring “nose” to identify wedge contact, arcing, and foreign

object damage. e. Coil end turns to identify blocked ventilation, damaged insulation, and

coil distortion. f. Overall cleanliness to identify oil or other contamination.

E. General Visual Inspections: Perform the following general visual inspections.

1. Stator: a. All components for the following:

1) Foreign material and contamination. 2) Cleanliness. 3) Loose or displaced parts. 4) Movement. 5) Mechanical damage. 6) Deterioration (general).

b. Stator bars for the following: 1) Cracks. 2) Worn parts. 3) Burning. 4) Bar sparking. 5) Tape migration.



c. EW support system for the following: 1) Cracks. 2) Worn parts. 3) Blocked ventilation.

d. Slot support system for the following: 1) Worn parts. 2) Blocked ventilation. 3) Bar sparking.

e. Connecting rings and lower leads for the following: 1) Cracks. 2) Worn parts. 3) Burning. 4) Broken ties.

f. High-voltage bushings for the following: 1) Cracks. 2) Burning. 3) Blocked ventilation.

2. Core: a. All components for the following:

1) Foreign material and contamination. 2) Cleanliness. 3) Loose or displaced parts. 4) Movement. 5) Mechanical damage. 6) Deterioration (general). 7) Corrosion.

b. Core end for the following: 1) Cracks. 2) Burning. 3) Blocked ventilation.

c. Ventilation ducts for blocked ventilation. d. Laminations for the following:

1) Burning. 2) Shorted core punchings. 3) Core tightness.

e. Key bars for core tightness. 3. Field:

a. All components for the following: 1) Foreign material and contamination. 2) Cleanliness. 3) Loose or displaced parts. 4) Movement. 5) Mechanical damage. 6) Deterioration (general). 7) Corrosion. 8) Surface condition and wear.

b. Body and wedges for the following: 1) Cracks. 2) Burning. 3) Blocked ventilation.



c. Retaining rings for the following: 1) Cracks. 2) Burning.

d. Fans for cracks. e. Spindles for the following:

1) Cracks. 2) Worn parts.

f. Winding for blocked ventilation. g. Collectors for the following:

1) Worn parts. 2) Burning.

END OF SECTION