ML20078Q186

Rev 5 to OPMP04-JC-0002, Polar Crane Insp

ML20078Q186
Person / Time
Site:	South Texas
Issue date:	09/21/1992
From:	HOUSTON LIGHTING & POWER CO.
To:
Shared Package
ML18065B259	List: ML18065B258 ML20078Q186 ML20078Q256 ML20078Q258 ML20078Q272 ML20078Q275 ML20078Q402 ML20078Q427 ML20078Q485 ML20078Q489 ML20078Q508 ML20078Q521 ML20078Q552 ML20078Q558 ML20078Q565 ML20078Q567 ML20078Q729 ML20078Q772 ML20078Q780 ML20078Q785 ML20078Q799 ML20078Q805 ML20078R145
References
NUDOCS 9502210135
Download: ML20078Q186 (39)

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HOUSTON LIGHTING AND POWER COMPANY

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SOUTH TEXAS PROJECT ELECTRIC GENERATING 3TATION j

PLANT PROCEDURES MANUAL DEPARTMENT PROCEDURE SAFETY-RELATED (Q)

Polar Crans Inspection OPMPO4-JC-0002 Rev. 5 Page 1 of 22 m

APPROVED f @f 8 ff.,

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DATE'APfROVED DATE EfECTIVE e

l PROCEDURE USE CONTROL: IN HAND

1.0 Purpose and Scope

1.1 This procedure provides instructions for lubrication and inspection j

of the Polar Crane (s).

1.2 This procedure need not be performed sequentially.

1.2.1 This procedure may be used for troubleshooting and maintenance activities if specific instructions identifying the steps to be performed are controlled by a service request is accordance with OPGP03-ZA-0090, (Work Process Program).

1.2.2 Steps of this procedura may be performed concurrently at the discretion of the Work Supervisor.

1.3 This procedure satisfies Significant Event Report (SER)85-002 Com:nitment regarding warm up time prior to use and preservice checks saved on anticipated operating modes.

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1.4 This procedure satisfies Significant Event Report (SER) 81-45 Commitment regarding locking devices on safety related equipment.

j 1.5 This procedure satisfies in part the commitment made in the response to NRC Generic Letter 81-07.

i 2.0 Definitions 2.1 None 1

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Polar Crane Inspection OPHP04-JC-0002 Rev. 5 l

Page 2 of 22 3.0 Prerequisites I

e NOTE I

a The word (Record) indicates a data entry on Form (-1) of this procedure.

Record 3.1 Work Supervisor shall mark sections to be performed on enter N/A on Form (-1).

Record 3.2 Record H&TE data on Form (-1) at time of initial use.

3.3 Verify availability of the following and obtain as needed:

3.3.1 Acetone 3.3.2 Wipes 3.3.3 Assorted hand tools and small hamcer 3.3.4 Flashlight 3.3.5 Safety belts 3.3.6 Containers for fluids i

3.3.7 Funnel 3.3.8 Inspection mirror e

3.3.9 Combination square (protractor head) f 3.3.10 Contkiners for parts and fasteners 3.3.11 Obtain the following lubricants:

3.3.11.1 Chevron Industrial R&O 115 k

3.3.11.2 Chevron Premium Lubecote EP #2, or equivalent l

3.3.11.3 Chevron Polyurea EP-2 3

3.3.11.4 Chevron AW Hydraulic 011 68 3.3.12 Rulers, 6 in, and 24 in.

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Rev. 5 Page 3 of 22 3.3.13 0-1 in. micrometer +.001 in, accuracy 3.3.14 1-2 in. micrometer +.001 in, accuracy 3.3.15 6 in. dial caliper 3.3.16 Assorted pressure grease fittings 3.3.17 Lanyards, for tying off tools and parts 3.4 Obtain a Radiation Work Permit (RVP).

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3.5 Notify QC that Polar Crane inspection is being performed and a NDE needs to be performed on main and auxiliary hooks.

3.6 Notify Electricians for assistance in performing subsections 5.7 and 5.8 of this procedure.

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3.7 To ensure accountability and tracombility of parts during maintenance, parts should be placed in labeled or marked containers l

at time of disassembly. If no containers are available or parts are too large for containers, parts HUST be labeled or tagged.

1 3.8 Verify and sign onto equipment clearance order and obtain work start approval.

4.0 Precautions 4.1 Use of ordinary combustibles shall be in accordance with OPGP03-ZF-0004, (Control of Transient Fire Loads).

4.2 Use of flammable 11gulds and gases shall be in accordance with OPGP03-ZF-0005, (Use of Flammable Liquids and Gases).

4.3 Use and disposal of expendable materials, such as chemical and hazardous materials, shall be in accordance with STPEGS Expendable Materials Manual.

4.4 For disposal of those items nett covered by the STPEGS Expendable Materials manual, refer to C?OP03-ZH-0003, (Packaging of Hazardous / Nonhazardous Waste Haterials for Disposal).

4.5 Personnel shall follow radiological precautions outlined on RVP.

4.6 Place all controllers in '0FF" position.

4.7 After inspeccien. adjustments and or repairs have been made, crane shall not be placed in service until all guards have been installed, safety devices reactivated, and maintenance equipment removed.

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4.8 If necessary to move or operate crane during inspection, operator shall make all persons involved aware.

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4.9 Ensure locking devices, where provided, are properly secured during reassembly.

(SER 81-45)

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4.10 Crane should be located in a position where the least amount of traffic is expected.

. e 4.11 All tools and loose parts should be secured with lanyards.

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4.12 Periodic inspections shall be performed by a designated person.

The individual outer wires in the strands of wire rope that are visible and accessible, shall be inspected. Any deterioration.

resulting in appreciable loss of original strength, such as

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described in this procedure, shall be noted and determination shall be made as to whether further use of the wire rope would constitute a hazard.

4.13 In order to establish data such as a basis of judging the proper time for replacement, a continuing inspection record shall be l

maintained. This record shall cover points of deterioration listed.

j 4.14 Maintenance shall keep preventive maintenance inspection data I

sheets in % ating conditions of wire ropes associated with the specif12 c.ane/ hoist applications.

5.0 Procedure Racord 5.1 Record SR/PH number.

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i Rscord 5.2 Record Unit number.

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e Ensure function end cleanliness of a

a foot-walks, ladders and handrails prior to starting inspection.

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aaaaaaaaaaaeaeaaaaaaaaaa 5.3 Clean and repair footwalks, ladders, and handrails.

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Folar crane Inspection OPMPO4-JC-0002 Rev. 5 g

Page 5 of 22 5.4 Bridge lubrication ar.d inspection:

NOTE (1)

Allow proper varmun neriod of electrical components prior to operation. (SER 85-002)

NOTE (2)

Pending oil samples, vendor recommends that oil in gearcases be changed every four years.

I NOTE (3)

If any abnormal conditions are found initiate a SR for repairs.

NOTE (4)

Ensure locking devices, where provided, are properly secured during reassembly. (SER 81-45) 5.4.1 Remove inspection cover from bridge drive unit gearcase.

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Rev. 5 Page 6 of 22 5.4.2 Place parts and fasteners in labeled or marked containers.

5.4.3 Check inside of gearcase for the following:

4 5.4.3.1 Burra on gears 5.4.3.2 Chipped teeth 5.4.3.3 Unusual wear 5.4.3.4 Cleanliness 5.4.3.5 Cracks Record 5.4.4 Check oil in gearcase for the following and record results:

5.4.5.1 Foreign material 5.4.4.2 Cleanliness 5.4.4.3 Metal slivers 5.4.4.4 Proper level (add Chevron Industrial R&O 115 oil, if necessary)

Record 5.4.5 Perform the following if sample indicates oil needs changing or oil requires four year changing 5.4.5.1 Drain oil.

5.4.5.2 Flush reservoir with cleanirg fluid.

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5.4.6 Check condition of gearcase inspection cover gasket and

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replace, if necessary.

5.4.7 Install gearcase inspection cover with gasket, and tighten fasteners.

5.4.8 Check gearcase for signs of leakage.

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Polar Crane Inspection OPHPO4-JC-0002 Rev. 5 Page 7 of 22

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5.4.9 Remove gearcase breather and clean.

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j 5.4.10 Install gearcase breather.

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NOTE Coupling guards may have to be removed for accessibility.

5.4.11 Check coupling fasteners for tightness.

NOTE i

Brake covers may have to be removed for accessibility.

5.4.12 Apply a few drops of Chevron Industrial R&O 115 to motor brake linksgo pivot points. (Refer to Figure 2)

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Polar Crane Inspection OPHPO4-JC-0002 Rev. 5 Page 8 of 22 5.4.13 Check condition of brake pawl and ratchet wheel for the following:

5.4.13.1 Cracks 5.4.13.2 Battered or broken pawls on ratchet teeth 1

5.4.13.3 Inoperative pawl shifter 5.4.13.4 Broken or worn springs NOTE Brake shoes should be replaced when worn to i

1/16 in, thickness at center of shoe. Riveted brake linings should be replaced before wearing I

down to rivet heads.

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l 5.4.14 Check condition of brake shoes.

5.4.15 Ensure 1/32 in. to 1/16 in. clearance between trake shoes and drum.

5.4.16 Adjust brake, if necessary. (Refer to Figure 2) 5.4.16.1 Remove adjusting lever.

5.4.16.2 Turn adjusting nut until desired clearance is obtained.

5.4.16.3 Install adjusting lever.

5.4.17 Perform substeps 5.4.1 through 5.4.16 on each bridge drive unit (four).

NOTE If pressure grease fittings are not already installed on each bridge wheel bearing, (inside and outside) then remove existing pipe plugs and install appropriate pressure grease fitting.

Fittings may be left installed.

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Page 9 of 22

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Do not over lubriest.e bearings, as this may cause excest$ve heating and wear.

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5.4.18 Using Chevron Polyures EP-2 grease, lubricate each bridge l

wheel inside and outside bearings. (Refer to Figure 3 for grease fitting location).

5.4.19 Check bridge truck when1s for the following:

NOTE (1)

Bridge drive wheels (4) with straight treads should be checked to ensure they are of the same diameter. If not, crane will run out of square l

and cause flanging. If this condition exists, wheels should be machined to equal diameter.

NOTE (2)

Should wheel (s) need replacing, never change only one, change in pairs.

5.4.19.1 Diameter (pairs of wheels shou?d be within 1/16 in. of each other).

5.4.19.2 Flange and tread wear (replace if flanges are visibly bent).

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Page 10 of 22

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i Figure 3 5.4.20 Apply Chevron Folyurea EP-2 grease to each bridge truck pin to bridge.

5.4.21 Check fluid level of a.agnetic bridge brake solenoid, add Chevron AW bydraulic oil 68, if necessary.

5.4.22 Check for' cracks, deformed or corroded members in web, t

-I truck flanges, and truck webs.

i 5.4.23 Ensure warning devices function properly, as intended.

5.4.24 Ensure proper warning signs are posted and clearly visible.

5.4.25 Using a small hammer, sound f asteners on crane runway rails for tightness.

5.4.26 Check runway rails for cleac11 ness.

Visually' inspect all accessible welds for cracking.

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,7 Polar Crane Inspection OPHPO4-JC-0002 Rev. 5 Page 11 of 22 Record 5.4.28 Check hoist drum groove wear using one of the following f

methods. (Refer to Figure 4) Record percentage of wear and j

method used.

5.4.28.1 Method 1 a

a) Using a straight edge over unworn ropes near rope anchors, measure depth (A) of unworn groove.

b) Measure depth (B) of any groove with maximum wear.

4 c) When (B) exceeds (A) by more than 25% of rope

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diameter, replace drum.

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5.4.28.2 Method 2 a) Use latge calipers to determine (C) and (D).

b) When difference between (C) and (D) becomes i

more than 50% of rope diameter, replace drum.

5.4.29 Check hook block for worn or broken sheaves, or bent housing.

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Rev. 5 Page 12 of 22 g

5.5 Trolley lubrication and inspection:

1 NOTE i

Trolley will have to be located on operators end of crano to perform the following substeps.

5.5.1 Perform substeps 5.4.1 through 5.4.16 on trolley drive unit.

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a 5.5.2 Perform substers 5.e.1 through 5.4.16 on main hoist unit.

5.5.3 Perferin substeps 5.4.1 through 5.4.16 on auxiliary hoist j.

unit.

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t If pressure grease fittings are not already I

installed on trolley wheel bearings, then remove i

existing pipe plugs and install appropriate prescura grease fitting. Fittings may be left installed.

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n CAUTION i

l Do not over lubricate bearings, as this may cause excessive heating and vear.

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eaaea eaeaeea eaaea eneaea a 5.5.4 Apply Chevron Polyurea EP-2 grease to inside and outside bearings of each trolley wheel, (8 wheels).

5.5.5 Check trolley wheels for wear on flanges and treads.

5.5.6 Apply Chevron Polyurea EP-2 grease to each main hoist drum shaft bearing, (4 bearings).

5.5.7 Apply Chevron Polyures EP-2 grease to auxiliary hoist drum

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shaft bearings (2 bearings).

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U Polar Crane Inspection OPHPO4-JC-0002 Rev. 5 Page 13 of 22 5.5.8 Apply Chevron Polyurea EP-2 grease to flanged bearing supports on trolley. (Refer to Addendum 1 for locations) 5.5.9 Apply Chevron Polyurea EP-2 grease to equalizer sheave assembly. (Refer to Addendum 1 for locations) 5.5.10 Apply Chevron Polyurea EP-2 grease to trolley drive unit flanged bearings. (Refer to Addendum 1 for location) 5.5.11 Check trolley rails and rail clips for cleanliness, tightness, excessive wear and alignment.

5.5.12 Check trolley stops and bumpers for abnormal conditions and alignment.

5.6 Holsts lubrication and inspection:

Record 5.6.1 Notify cranes and hoists system engineer or designee that inspection is to be performed.

Record 5.6.2 Hessure 0.D. of main hoist wire rope in three places, approximately three feet apart, and record measurements teken.

L Record 5.6.3 Heasure 0.D. of auxiliary hoist wire rope in threa places, approximately three feet apart, and record measurements taken.

5.6.4 Replace wire rope if diameter is reduced more than:

5. 6. c+.1 1/64 inch for rope diameters through 5/16 inch 5.6.4.2 1/32 inch for rope diameters from 3/8 inch through 1/2 inch 5.6.4.3 3/64 inch for rope diameters from 9/16 inch through 3/4 inch 5.6.4.4 1/16 inch for rope diameters from 7/8 inch through 1 1/8 inch 5.6.4.5 3/32 inch for rope diameters from 1 1/4 inch through 1 1/2 inch 5.6.5 Check for twelve randomly distributed broken wires in one i

rope lay, or four broken wires in one strand in one rope lay.

5.6.6 Check in several places for outside wires worn 1/3 of their original diameter.

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Rev. 5 Page 14 of 22 5.6.7 Check for corroded or broken wires at and connections.

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5.6.8 Check for corroded, cracked, bent, worn or. Improperly l

applied and connections.

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5.6.9 Check for kinking, crushing, cutting or unstranding.

5.6.10 Check in general places for internal wear caused by grit penetrating between strands and wires.

i Record 5.6.11 Check for evidence of improper lubrication.

ENP (SPR-920177)

Record 5.6.12 Cranes and hoists system engineer or designes shall ENP determine if wire ropas are to be replaced.

(SPR-920177)

Record 5.6.13 Hessur's between prick punch marks on auxiliary hook, and record throat gage measurement taken. (Refer to Figure 5)

Record 5.6.14 Hessure between prick punch marks on main hook, and record l

throat gage measurement taken.

(Refer to Figure 5)

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7'a Polar Crane Inspection OPMP04-JC-0002 Rev. 5 Page 15 of 22 5.6.15 Replace books if measurements are 1.15 times original throat gage stamped on books.

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Record 5.6.16 Measure twist of auxiliary hook, using protractor, and record measurement taken. (Refer to Figure 5)

Record 5.6.17 Measure twist of main book, using protractor, and record measurement taken. (Refer to Figure 5) 5.6.18 Replace book if twisted more than 10 degrees.

5.6.19 Notify QC to perform a NDE inspection on auxiliary hook.

1 5.6.20 Notify QC to perfom a NDE inspection on main hook.

5.6.21 Replace books, if defective.

5.6.22 Apply Chevron Polyurea EP-2 grease to auxiliary and main hook sheaves.

5.6.23 Check lower sheaves on auxiliary and main book for wear and l

breakage.

l 5.6.24 Check upper sheaves for wear and breaka'ge.

r 5.6.25 Apply Chevron Premium Lubecote EP #2, or equivalent, to l

open drum gears, if necessary.

Record 5.6.26 Cranes and hoists system engineer or designee shall determine if auxiliary and main hoist wire rope requires ENP lubrication in substep 5.6.27.

(SPR-920177) l 5.6.27 Apply Chevron Premium Lubecote EP #2, or equivalent, to l

auxiliary and main hoist wire rope, if necessary.

5.6.28 Check upper limit switch function on each block.

5.6.29 Check for reverse reeving by hoist rotation to lever direction, e

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Polar Crane Inspection OPHP04-JC-0002 Rev. 5 Page 16 of 22 5.7 Operational inspections b

NOTE After mechanical and electric.1 inspections e.re complete and it has been determined that crane is in good operating condition, an operational test can be made. It is suggested that mechanic work in conjunction with electrician for this operational check.

5.7.1 Release clearance on power supply.

5.7.2 Ensure everyone is in clear before switches are throws.

5.7.3 Ensure all controllers are in a neutral position.

5.7.4 Notify everyone concerned that crane is tc be put back into operation.

NOTE Polar crane book lower limit switches need not be checked.

I L 5.7.5 Ensure all limit switches are functioning.

r 5.7.6 Run trolley approximate length of bridge to ensure all speeds are functioning, f

5.7.6.1 Electrician can observe operation of compenents in panel and mechanic can watch operation of trolley.

5.7.6.2 Pay particular attention to watch for vibration and excessive backlash la gears, and Ifsten for i

noises that might be out of the ordinary.

l 5.7.7 Watch operation of trolley collectors.

5.7.7.1 Pay particular attention to arcing, cIsarance and complete contact of collector shoes with i

conductors for the co=plete length of travel, j

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I Polar Crane Inspection OPMPO4-JC-0002 Rev. 5 Page 17 of 22 5.7.8 Ensure trolley brake, when provided, is functioning and when controller is returned to neutral, that trolley decelerates gradually and comes to a smooth stop.

5.7.9 Ensure trolley is tracking properly and wheels are not flanging.

5.7.10 Whenever possible, trolley should be moved to end stops to ensure stops or bumpers are functioning properly and trolley approaches end stops squarely.

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5.7.11.1 Electrician is to watch to see that all timers and contactors are functioning properly.

5.7.12 Check to see that brakes are functioning.

5.7.13 Ensure all sheaves in upper sheave nest and block are turning. (All sheaves should rotate with exception of equalizer.) Equalizer may rotate a part of a turn to equalize load and level block.

5.7.14 Caeck to see that cables are not rubbing on trolley framework or on block housing.

5.7.15 Whenever possible, block should be raised and trolley placed at end stops to ensure hook cle.orance le maintained from collectors at runway conductor end.

5.7.16 Check to sea that hoisting cables are going into grooves on drum properly and when in full raised position, cable should remain in grooves. If cable is too long it will run out of grooves or overlap.

5.7.17 When hoist is lowered to it's maximum lower position there should be two wrspa of cable at anchors unless hoist. is equipped with a lower limit switch.

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Polar Crane Inspection OPMPO4-JC-0002 Rev. 5 Page 18 of 22 5.8 Operation of bridge:

5.8.1 Ensure adequate clearance is maintained between bridge and any obstruction at each and of bridge.

5.8.2 Check cab for proper clearance along with trolley clearance overhead and at ends.

5.8.3 Check by driving and coasting up and down runway to see that crane is not binding or that wheels are not 11anging on any portion of runway rails.

5.8.4 Whenever possible, operate bridge the full length of i

runway.

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CAUTION a

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inspection, the electrician should have on hand and stand on an insulating mat.

• • • • aaaaaa**aaaaaeaaea a a 5.8.4.1 Check to see that all speeds are operating and I

that all contactors and timers are functioning.

5.8.5 Watch operation of runway collector for entire length of runway.

5.8.5.1 Pay particular attention to arcing, loss of contact and clearance with brackets and insulators.

NOTE Crane should cross joints in rails with minimum of bumping or vibration.

4 5.8.6 While bridge is traveling, squaring shaft, couplings, and gearcases and entire drive train should be observed for vibration or looseness of any fastenera or equipment.

5.8.7 Ensure brakes are functioning properly and crane can be brought to a smooth safe stop.

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Polar Crane Inspection OPHPO4-JC-0002 Rev, 5 Page 19 of 22 5.8.8 Check to see that electrical panels and resistors are anchored and braced properly, especially against vibration and freedom of movement in direction of bridge travel.

Record 5.9 Record results of operational test.

If unsatisfactory, note corrective action to be taken in comment section with SR/PH number included.

5.10 Return documentation to Work Supervisor for disposition.

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Acceptance Criteria 6.1 Hanufacturer's requirements have been met upon satisfactory completion of this procedure.

7.0 References 7.1 Hanufacturer Technical Manual (4013-01001-WG) 7.2 Response to SER 85-002 (ST-HS-HS-3207) 7.3 Response to SER 81-45 (ST-HS-HS-3860) 7.4 ANSI B30.2.0 - 1976 (Overhead and Gantry Cranes) i 7.5 ANSI N45.2.2 - 1972 (Packaging, Shipping, Receiving, Storage and Handling of items for Nuclear Power Plants) 7.6 Response to NRC Generic Letter 81-07 7.7 Response to SPR-920177 8.0 Support Documents 8.1 Addendum 1 - Lubrication Points 8.2 Data Sheet (-1) 9.0 Documentation 9.1 The following documentation is required to be retained with work package:

9.1.1 OPHPO4-JC-0002-1 9.1.2 NDE inspection reports on auxiliary and main books i

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5.4 Bridge Lubrication and Inspection 5.7 Operational Inspection

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..2 5.5 Trolley Lubrication and Inspection 5.3 Operation of Bridge

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a, MEASURING AND TEST EQUIPMENT-4

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• DESCRIPTION STPEGS I.D. NUMBER CALIBRATION DUE DATE *- M* -4 Sr.i-n 5.4.4 Checked oil in gearcase:

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PLANT CHANGE FORM Revs 27~6-7/rf c4

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DATE

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SOUTH TEXAS PROJECT ELECTRIC OENERATING STATION PLANT CHANGE FORM (CONTINUATION)

(Page 2 of y 315406-A PCF NUMBER 4.

oispoon.ovo.scripuon of change (continuee USE-AS-IS Rob Engen of DED and Ray Asbury of SED observed the orbital bridge tracking / interferences on 3/21/94 after the following inspections and adjustments were performed on the orbital bridge and polar crane:

1) inspechon of the orbital bridge wheel bearings per SR # 208942, i

2)

Diagnostic evaluation on the operation of the orbital bridge brakes per SR #

208942,and 3)

Adjustment of the polar crane brakes per SR # 208943.

Completion of the above actions indicate:

the orbital bridge wheel bearings are axeptable, the orbital bridge brakes are operating appropriately, and e

the polar crane brakes are now operating properiy since being adjusted.

At the time the interference with the orbital bridge bus supports was identified, the polar crane brakes were not operating proper 1y. The polar crane would have sudden stops tending to ja, the polar crans and orbital bridge. The previous inspection on the orbital bridge noted that when the polar crane pushes the orbital bridge and several stops and starts of the crane were performed the rubbing / interference of the suppoits tended to worsen. Based on discussions with Whiting (Joe Poradzisz), Joe felt these types of iterations (braking problems) could affect orbital bridge tracking. Now that the polar crane brakes provide smooth stopping, based on the observation of the orbital bridge on 3/21/94 there is not any rubbing of the supports in the areas of concem.

The clearance between the cupports is still small and future perturbations with the brakes could cause support rubbing. Accordingly, DED recommends modification to the support be implemented in the future in order to provide more clearance between the bus support and the conductor support. Amendment #1 to this PCF allows an attemate detail of the conductor support DED recommends the polar crane be released for normal rotation of the crane in both clockwise and counter clockwise direction. If the rubbing of the supports begins again, the polar crane operation should be restricted to the clockwise direction (looking down; i.e. direction of pulling orbital bridge), it is recommended the attemate support (per Amendment #1) be installed.

The amendment associated with this PCF is a paper chance only amendment since it allows additional modification of the existing support and can be installed at any time.

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10CFR50.59 SCREENING FORM e*" 2 4 3 (nPICAU PAcq-1 or-(

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PRELIMINARY SCREENING vts no

1. Does the proposed chonge represent a change le the P6on! Technicot Specificelions?

O E

2. If en unreviewed Sof Ouestion is known to be essociated with the subject chonge.

Shen further screening not requiredi refer to IP-1.190.

H 'Yes* refer to IP-1.190. Further screening is not required, j

Does the proposed change represent:

YES HO j

3. A chonge to correct a typogrophicot, editoret or drof*ing error?

O E

4. A change which Is idenficot to end oddressed in its entirely by on O

E esisting oppgered 10CTR50.59 Screening /USOC7 1

5. A procedure change in which the format or text changed without O

E chonging octions or intent?

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en See b a for fintfion of equ'evolent)

$f eO ensvers to the above questions are "No* perform the finot screening and rnork N/A in the l

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if the onsver to ony question (3 through

. Sign opproval blocks below and discor)d popes 2(6) is *Yes" o finot screening Is not-.necessory.

thru 4.

Provide en espionar.on/justificot.on end references N eny of items (3) through (6) ore onswered "Yes*.

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Prepored by:

Nlh Origihotor Date h) f~

4 proved byr s

Sect;on Supervisor Dote

fCP *5I74DL d e m.L s + --.

'SfP 6618 (0J/92)

SOUTH TIXAS PROECT ELECTRIC CENERATING STATION ATTACHWENT IP-3.200-2 10CFR50.59 SCREENING FORM 1

2 Ork (TYPICAll PACE ORIGINATING DOCUMENT IIN M FINAL SCREENING in response to the questions below, if the chonge involves something that is not descrlbed in the SAR Cnd is not port of the licensing basis os shown by a review of HRC-published documents, then *.tig*

le oppropriate. However, this decision must be clearly documented with odequote technical justification.

The phrose *not port of licensing bosts* Implies that the subject motter was noj used by HRC f) Issue or molnfoin the operating license or omendments; and is determined by exomination of the Ucensing Docket and the following (os opplicable):

Sofety Anolysis Repori Tro1ning and Quo!!ficotton Program Environmentol Report Finol Environmentol Statement Fire Horords Analysis Report Safety Evotuation Report Physical Securtly Plan Standord Review Pion Sofeguards Contingency Pion Correspondence Operations Ouotify Assurance Pion Emergency Plan Previously Appoved USO Evoluotions YES N6 1.

Does the subject of this review involve o change to the facility os O

2 described in the Solely Anoirsis Report?

2.

Does the subject of this review involve o chonge to the procedures O

S os described In the Sofety Anofysts Report?

3.

Does the subject of this revlow propose the conduct of tests or O

E esperiments not described in the Sofety Anolysis Report?

4.

Does the proposed change offect conditions or bases assumed in the O

P Sofety Anotysts Repor1 or safety-related functions of equipment / systems, even though the proposed chonge does not entoil ony physico! chonge in emisling structures, systems, or procedures os described in the SAR?

If any answer is offirmotive, complete the screening form and perform on Unreviewed Sofety Question Evoluotion.

If oil onswers ora negative, no Unreviewed Sofety Question Evcluotion is required.

All questions require odequote technical justification.

(Cf' ilS 4% A _. _.

Pawe_ ' 3. g f q g f $tP &MC, (03/92).

SOUTH TEXA5 PROJECT ELECIRIC CENERAING STAlKW.

AllACHMENT IP-3,2Og.2 10CFR50.59 _ SCREENING FORM (T YPICAll PACE 3Orq 3 / f 9-0 6 -A ORIGINATaNG DOCUMENT TECHNICAL JUSTariCATION SHOULD INCLUDE THE SATETY IMPLICATIONS OF THE CHANGE.

AND CTHER INFORMATION SUPPORTING ALL ANSWERS.

1[CHNICAL JUSilFICATION OF-THE CHANCE:

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SOU1H TEXAS PROJECI ELECTRtc GENE.:ATWG STATION ATTACHWCNT IP.J.200 2 j

10CFR50.59 SCREENING FORM-(T YPICAL)

PACC 4 or8f '

ORIGINATING DOCUWENT The following documents /ottributes have been reviewed as port of the IOCFR50.59 finol.. screening process.

Sections Reviewed Documents R,M 9 C b

UrsAR 1echnicol Specifications Sofetr Evoluefion Report (SER) fire Protection (FHAR)

Environmental Report (ER)

Securify Plan Emergency Plon Offstle Dose Coteutation-Wonvot (oocu) finot [nvironmentet Slolement Core Operating Limits Report (COLR)

Oper'otions Ouotity Assurance Plan Other Check if Reviewed AHributes Environme nt ol Ou olific o lio n._ _. _ _... _ _ _ _. _ _ _ _ _ _ _ _ _. _ _ _ _ _ _ _ _ _. _ _ _ _ _ _ _ _.

y Seis mic De sig n _ _ _ _ _... _ _ _ _. _ _.. _ _ _ _ _......... _ _...... _ _ _ _. _ _ _... _ _ _

Personnet Rodiotion Prot e ction. _ _ _. _ _ _.. _ _.. _ _ _ _....... _ _....._.__..

Mi s sil e Prot e c tio n... _ _ _ _. _ _ _..._ _ _. _ _ _ _ _. _ _ _ _ _. _ _ _ _. _ _ _ _ _. _ _..

Contelnme nt Int e g rity........... _ _..

Single fehure Crite rio........._ _ _ _ _ _ _ _ _ _ _. _ _ __... _ _ _ _......... _.

Doctric ol Seporo fion (R G 1.75)..._ _ _.._ _ _ _.... _ __ _ _ _ _ _ _ _ _ _ _ _ _ _ _...__ _

Ho ovy Loo d s. _ _ _ _ _ _ _ _ _........... _ _ _ _ _ _.......... _ _ _.. _ _ _.. _ _ _..

HELSA.__.__________.._______..____....__...___...___..__...._.

Control Room Hobito bility.. _ _.. _ _.. _ _ _ _ _ _ _ _ _ _ _.._. _ _ _ _ _......_ _...

Int e rnot Flooding. _ _ _ _ _ _ _ _ _ _ _.. _ _ _ _... _.. _ _ _ _ _ _ _ _.

Pla nt C he mi st ry _ _ _ _ _ _ _ _. _ _... _ _ _ _ _. _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _.. _

H uma n Fo c t ors.... _ _ _ _.. _ _...... _ _...... _ _....._.... _.....

Prohobitistic Sof e ty As s e s s me nt _ _ _ _ _

Other NOTI.: If Attributes ore Identified in the or1ginoling document this section need not be i

1 completed.

I l

(([~[ *4 g 10CFR50.59 SCREENING PAGE 5 OF 6 ORIGINATING DOCUMENT NO.: PCF 315406A REV. O DEsCmPDON OF CHANGE:

Use-as-is of the Orbital Bridge since the conductor support does not -interfere with the bus support based on walkdown on 3/21/94. Also, the earthquake restraint does not rub on the rail. Nevertheless, a revision to the conductor t

support drawing-allows for alternate location of the support if required.

REASON FOR CHANGE:

The clearance between the supports is small and future perturbations with the brakes could cause support rubbing. Accordingly, Amendment #1 to the PCF allows further notching of the conductor support.

l TECHNICAL JUsDFICATION OF THE CHANGE:

At the time the interference with the orbital bridge bus supports was identified, the polar crane brakes were not operating propedy.

The polar crane would ha~ve sudden stops tending to jar the polar crane and orbital bridge. The previous inspection on the orbital bridge noted mat when the polar crane pushes the orbital bridge and several stops and starts of the crane were performed the rubbing / interference of the supports tended to worsen. Based on discussions with Whiting, these types of iterations (braking problems) could affect orbital bridge tracking.

Now that the polar crane brakes have been adjusted (SR #208943) and provide smooth stopping, based on the observation of tne orbital bridge on 2/21/94 there is no rubbing of the supports or earthquake restraints in the areas of concern. Therefore, the orbital bridge / polar crane is released for normal ooeration.

01.

The subject of this" review does not involve a change to the facility as described -

in the SAR, since this level of detail is not discussed or shown in the USAR.

UFSAR Section 1.2 provides a general description of the plant and Figure 1.2.15 shows this general area.

02.

The subject of this review does not involve a change to the procedures as described in the SAR, since no procedures are involved in the subject change.

03.

The subject of this review does not propose the conduct of any tests or.

l experiments'not described in the SAR, since no tests are involved in the subject change.

04.

The proposed change, does not affect conditions or bases assumed in the SAR or safety-related functions of equipment / systems, since the supports are not currently rubbing each other nor is the carthquake restraint rubbing the-rail.

Amendment #1 allows modification of the connector support. Structural integrity of the orbital bridge and associated supports is fully intact with the optional support t

location of the connector supports.

l 3

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10CFRSO.59 SCREENING h&

'.,I F446 A PAGE 6 OF 6 pue r

.il-J j

~

ORIGINATING DOCUMENT NO.: PCF 315406A-REv. O The following documents / attributes have been reviewed as part of the 10CFR50.59 final screening process.

Documents Sections Reviewed UFSAR.........

Secteon 1.2, fig.1.2-15, Sections 3.8.3 & 9.1.4; Structural Audt ST.HL AE-1250 Technical Spoolications..

Safety Evaluation Report (SER)....

Sections 3.8 Fire Protechon (FHAR)..

Environrnertal Report (ER)........

Seculty Nn.

Emergency Plan..

Offsite Dose Calculation Manual (ODCM).

Final Erwironmentat Statoment...

Core Operating Umit Report (COLR)

Other...

General Structural Design Criteria 5A360SO1001 Specification for Polar Crane 7C109NS0052 SPR 940252 (Reference Only)

System Description of Cranes 7A019MD0108 STRUCTURAL DRAWINGS: 2.S-31024/1-S-31023 VENDOR DOCUMENTS: 8013-01067-GWG Polar Crane Manual 8013-01018-BWG 8013-01028-AWG 8013-01027.AWG 8013-01026-BWG 8013-00009-AWG 1

.. e './

~

r.-

00C.N0 3/N A PACE IM f M.

O QfMgOl/b4 south TE xAS PROJECT ELECIRIC CENLRATING Sl AT10N '

DESIGN VERIFICATION CHECKLIST DOCUVENT NUVBER -

N REV.

NOTE-THl3 CHECKUST SHOULO BE COWPLETED FOR M00lriCAT10N DESIGN PACKAGES. ENCtNEERING CHANCE NOTICE PACKAGES. SPECirlCATIONS: ETC PER DEP-2.020 YES NO N/A 1

HAS THE POTENTIAL FOR UCENSING IWPACT BEEN CONSIDERE0?

UFSAR M

TECHNICAL SPECIFICATIONS...

V r6RE HAZARD ANALYSTS REPORT (THAR)

Z HIAW LOADS ENVIRONMENTAL REPORT (ER).

P' EWERCENCY RESPONSE DATA SGTEM (ERDS)

_.7 OTHER COWW:TWENTS (CRDR REPORTS. IRCs.. AUDITS ETC.)

1 2

HAS THE IWPACT ON THE r0LLOWNG BEEN CONSIDERED?

PLANT SArETy

/

PLANT OPERABILITY

_I ACCESSIBluTY 7

{

W AININN ABlU TY

/

TEST PROC./RESULTS 3

HAS IN INTERDISCIP INARY REVIEW ADE0VATELY CONSIDERED' L

WECHANICAL/ NUCLEAR COOCS AND STANDARDS ELECTRICAL EQUIPWENT OVAuflCAT10N SCISWIC OVAltriCAil0N PIPING DVil/$TRUCTURAL M

AI3 *N P$l/ISI NSTRUWENTATION & CONTROL

_ d_ e '

4 HAVE ALL Or THE ArfECTED OES6CN DOCUuENTS BEEN tDENilflE0?

DC9CN CRITERIA

,__, g DE9GN BASES DOCUVENT SYSTEM DESCRIP110NS s

CALCULAT10NS

__._ /u -

SPEOfiCATIONS

__e '

PMDs SATITY SYSTEM FUNCTION AL DIACRAWS LOOCS A

ONE-UNE 0 UST

~ ~ ~

SPEDAL EQUIPWENT OUAUFICATION M AINTENANCE BOOK 6

~~

ELEWENTARIES E0VIFMENT INDEX (WED)

- ~ ~ ~

d INSTRUVENT INDEX (WEO)

~ ~/

~~

INSTRUWENT SETPOiNT UST

~ ~

~~V-ELECTR: CAL SETPOINT LIST

_~ 7

[0P SETPONT UST VALVE LIST (WED)

Z _/

V[NDOR DRA#.NGS

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2 VENDOR WANJALS RESTR:CTED C04PONENT LISI

_,._. M OTHERS

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000. NO. Il N A PACE !

$Q DIM SOUTH TEXAS PROJECT ELECTRIC OENERATING STATION DE81GN VERIFICATION CHECKLIST S.

NAW ALE OF THE AFTECTED DESIGN 00COWENTS BEEN 10ENDFIED WCWONG IMPACT ON ENGINEERING WALKDOWN AS APPUCABLE?

YES NO N/A AuutA d

WAllE PARTS

/

MANTENANCE REQUIREWENTS -

~

CON 1110L A00W OCSKN REVIEW (CROR)

CUMULATIVE LOAD VERIFICATK>l GPS DADS 7

1 RAY LOAD VERIrlCADON SYSIEW WTERACDON 94LE FALURE EfC11bCAL SEPARATION SDShSC R/l PIPE RUPPJRE PROTECTION HELBA)

INTDINAL PLANT FLOO0dNC WELBA)

W1DINALLY ENERATED W:S S

2 TORNADO ANC WND ENWl0NMENT(AL QUAURCADONAPPDOX R WCLUDINC OVERHEAD FP SPRINKLER SP M

SDSWIC 00ALFICATION EES60 7

ER090N/ CORR 090N PROGRAW SECh0N XI ISI PROGRAW 6.

ADDITIONAL COWWENTS (If AND.

j 1

DESIGN VERIFIER:

b

-3 /- 97 SicNATURE/DATE[

.