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Tower crane inspection checklist

A daily or weekly inspection record for tower cranes, for the operator or the appointed person, in the UK and the US. Scan the data plate and record the configuration: type, base, jib length, height under hook and tie-ins. Enter the last thorough examination or annual inspection and see the days since, and confirm the report after erection is on site. Check the base, mast, ties, slewing ring, jib, counter-jib, access and cab, then the ropes, hook and block. Test the rated capacity indicator, the hoist, trolley and slew limits, the anemometer and the brakes. Enter the wind against the maker's in-service limit, and mark the crane in service or out of service. For mobile cranes use the crane inspection checklist.

For tower crane operators, appointed persons, crane supervisors and site managers who check a tower crane before work each day or each week and need a dated record with photos.

Written for the UK (LOLER 1998) and the US (OSHA 29 CFR 1926 subpart CC). Other countries: take the inspection intervals and duties from local law and the crane supplier.

  • Crane configuration from a data plate scan: type, base, jib length, height under hook and tie-ins
  • Last thorough examination or annual inspection with the days since, and a warning when the next one is overdue
  • Fourteen structure and access checks, from the base and mast ties to the counter-jib ballast and obstacle lights
  • Thirteen Pass or Fail tests: rated capacity indicator, hoist, trolley and slew limits, anemometer, brakes and emergency stop
  • Wind against the maker's in-service limit, a result of in service or out of service, defects and actions

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What should a tower crane daily inspection cover?

A tower crane check is useful when it ties one crane, by its site number and configuration, to a dated record of what was looked at and tested, the wind against the maker's limit, and what happened to the crane when something failed. The limits come from the manual, the load chart and the examiner's report.

Last updated . Facts checked by the SiteSurvey team on 27 October 2026 against Lifting Operations and Lifting Equipment Regulations 1998, regulation 9, thorough examination and inspection, OSHA 29 CFR 1926.1412, cranes and derricks in construction, inspections (eCFR), OSHA 29 CFR 1926.1435, tower cranes (eCFR), HSE, lifting operations in construction and HSE, construction: tower crane safety FAQs.

How to do a tower crane daily inspection

Have the crane manual and the last examination report to hand. Check each item the way the manual describes.

  1. Record the crane

    Scan the data plate, enter the type, base, jib length, height under hook and tie-ins, and the dates from the last examination report.

  2. Check the structure

    From the ground, the ladder and the platforms: base, mast bolts, ties, slewing ring, jib, counter-jib ballast, access and cab.

  3. Check ropes and hook

    Hoist and trolley or luffing ropes, terminations, sheaves, spooling on the drums, the hook, catch and block.

  4. Test the devices

    Rated capacity indicator, upper and lower hoist limits, trolley or luffing limits, slew zoning, anemometer, brakes, emergency stop and the radio.

  5. Read the wind

    Enter the wind speed now and the maker's in-service limit in the same unit, and say where the reading came from.

  6. Give the result

    In service, or out of service with how it was stopped and who was told. List defects with an owner and a date, and sign.

What makes a tower crane check useful

Anemometer and wind display, and where the wind reading came from

TC1, flat top, 55 m jib, one tie. Daily check 07:05. Anemometer cups turning but the cab wind display blank after a reset: fail. No lifting started; isolator off and out of service signs on. Appointed person told 07:15, supplier at 07:25. Wind from TC2 at 7 m/s against the 20 m/s in-service limit in the manual. Display cable replaced 11:40, reading checked against TC2, lifting restarted 12:10.

Fictional example. Record the actual evidence and approved arrangements for your job.

A common recording mistake

Using the forecast or a guess when the crane's own anemometer is not working, and lifting on as normal.

What happens next

Repeat the failed test after the repair, keep the record with the crane's other reports, and note the next thorough examination or annual inspection date from the report.

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Every question in the tower crane inspection checklist template

A tower crane daily or weekly inspection for the operator or appointed person, for the UK (LOLER 1998) and the US (29 CFR 1926 subpart CC): crane details with a data plate scan and the configuration (type, base, jib length, height under hook, tie-ins), the last thorough examination or annual inspection with the days since and the post-erection report, fourteen structure, access and cab checks from the base and mast ties to the counter-jib ballast, eight rope and hook checks, thirteen safety device tests including the rated capacity indicator, hoist, trolley and slew limits, the anemometer and the brakes, the wind reading against the maker's in-service limit, the result (in service or out of service), defects, actions and sign-off. 8 sections and 153 questions. Follow-up questions and guidance appear only when an answer calls for them, so the person on site never sees the ones that do not apply.

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Add this form to a project in SiteSurvey and it fills in what the project already knows, so nobody on site retypes it and every form on the job uses the same names. Anything filled in can still be changed.

  • Project: the project name
  • Site address: the site address, from the space or the project
  • Client or principal contractor: the project's customer

Inspection details

  • ProjectShort answer

    Filled in from the project in SiteSurvey.

    Fills in from the project name
  • Site addressShort answer
    Fills in from the site address, from the space or the project
  • Client or principal contractorShort answer
    Fills in from the project's customer
  • Location (GPS)Short answer
  • Inspection date*Date
  • Inspected by*Short answer
  • Time of the inspectionTime
  • Rules that apply*Choose one
    • UK: LOLER 1998
    • US: OSHA 29 CFR 1926 subpart CC
    • Other country
  • Type of inspection*Choose one
    • Daily check before use
    • Weekly inspection
    • Monthly inspection
    • After high winds or another event that could affect the crane
    • Other
  • Inspecting as*Choose one
    • Crane operator
    • Appointed person or crane supervisor
    • Crane supplier's engineer
    • Competent person (US)
    • Qualified person (US)
    • Other
  • Crane supplier or ownerShort answer
  • Weather on siteAnswer
  • CheckThis is an in-service inspection record. It is not a thorough examination (UK), an annual or post-erection inspection (US), or a load test. Check each item the way the crane manufacturer's manual describes. Wind, load and radius limits come from the crane's manual, load chart and the supplier, not from this form.
  • GuidanceUK (LOLER 1998, regulation 9). A crane whose safety depends on how it is installed must be thoroughly examined after installation and after assembly at a new site, before it is used. In service it is thoroughly examined at least every 12 months (6 months for equipment that lifts people), or under an examination scheme, and after exceptional circumstances that could affect its safety. Inspections by a competent person in between, such as this one, are required where appropriate.
    Shown when “Rules that apply” is “UK: LOLER 1998”
  • GuidanceUS (29 CFR 1926.1412 and 1926.1435). A competent person inspects the crane each shift, before or during the shift (1926.1412(d)). Each month it is in service it gets the same inspection, documented with the items checked, the results, the inspector's name and signature and the date, kept for at least three months (1926.1412(e)). For tower cranes the monthly inspection adds the mast and structural bolts and the upper-most tie-in, braces, floor supports and wedges (1926.1435(f)(4)). A qualified person inspects it at least every 12 months (1926.1412(f)).
    Shown when “Rules that apply” is “US: OSHA 29 CFR 1926 subpart CC”
  • CheckMonthly inspection: keep this record for at least three months (29 CFR 1926.1412(e)(3)).
    Shown when “Rules that apply” is “US: OSHA 29 CFR 1926 subpart CC” and “Type of inspection” is “Monthly inspection”

Crane and configuration

  • Crane number on site*Short answer

    For example TC1.

  • Supplier's fleet or asset numberShort answer
  • Scan the data plateScan a label: make, model, serial number, year of manufacture, maximum load, load at jib tip

    Optional. Scan the data plate or label to capture the numbers.

  • Make*Short answer
  • Model*Short answer
  • Serial numberShort answer
  • Type*Choose one
    • Flat top or hammerhead (trolley jib)
    • Luffing jib
    • Self-erecting
    • Other
  • Base*Choose one
    • Fixed base on a foundation
    • Travelling on rails
    • Climbing inside the structure
    • Other
  • Jib length as erected*Short answer

    With the unit, for example 60 m.

  • Height under hookShort answer
  • Tie-ins to the structureNumber

    0 if free-standing.

  • Climbing frame on the crane?Yes or No
  • Maximum load from the load chartShort answer

    With the unit and the radius it applies to.

  • Load at the jib tip from the load chartShort answer
  • Aviation obstacle lights fitted?Yes or No
  • Date erected, climbed or last alteredDate
  • Date of the last thorough examination (UK) or annual inspection (US)*Date

    From the report. A climb or a change of configuration may need its own examination: the examiner and the crane supplier decide.

  • Report referenceShort answer
  • Days since thenWorked out by the form
    Shown only when the answers above make it relevant
  • Next thorough examination or annual inspection due (from the report)Date
  • WarningThe next examination date on the report has passed. Do not use the crane until it has been examined.
    Shown only when the answers above make it relevant
  • exam_overdueWorked out by the form
  • Report of the examination or inspection after erection on site?*Yes or No
  • WarningNo report after erection. A crane whose safety depends on its installation must be thoroughly examined after assembly at a new site before it is used (LOLER regulation 9(2)), and equipment from another business must come with evidence of its last thorough examination (regulation 9(4)).
    Shown when “Rules that apply” is “UK: LOLER 1998” and “Report of the examination or inspection after erection on site?” is No
  • WarningNo post-erection record. After erection a qualified person inspects the crane and a load test is done (29 CFR 1926.1412(c) and 1926.1435(f)(3)). Find the record before use.
    Shown when “Rules that apply” is “US: OSHA 29 CFR 1926 subpart CC” and “Report of the examination or inspection after erection on site?” is No
  • erect_missingWorked out by the form
  • Crane operator*Short answer
  • Operator's card or certificationShort answer
  • Appointed person or crane supervisorShort answer
  • Communication with the slinger or signallerShort answer

    For example radio channel 3.

  • Photo of the cranePhotos

Structure, access and cab

  • GuidanceCheck what you can see from the ground, the ladder and the platforms. Do not climb outside the access routes the manual and the site rules allow.
  • Walk Cam: base and climbWalk Cam video with voice-to-text

    Optional. Film a guided walk-round on the SiteSurvey app.

  • Base and foundationChoose one

    No settlement, cracking, standing water or undermining; holding-down bolts or anchors visible and as the design shows.

    • Acceptable
    • Action needed
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Rails, rail clamps and end stopsChoose one

    Travelling cranes only.

    • Acceptable
    • Action needed
    • Not checked
    • Not applicable
    Shown when “Base” is “Travelling on rails”
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Mast sections, bolts and pinsChoose one

    None loose, missing or cracked, as far as you can see from the ladder.

    • Acceptable
    • Action needed
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Ties and tie-in collars to the structureChoose one

    Fixings tight, no movement, struts undamaged.

    • Acceptable
    • Action needed
    • Not checked
    • Not applicable
    Shown only when the answers above make it relevant
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Climbing frameChoose one

    Secured and stowed as the manual says when the crane is working.

    • Acceptable
    • Action needed
    • Not checked
    • Not applicable
    Shown when “Climbing frame on the crane?” is Yes
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Slewing ring, turntable and slew motorsChoose one

    No unusual noise, no oil leaks, bolts present.

    • Acceptable
    • Action needed
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Jib sections, pins and walkwaysChoose one
    • Acceptable
    • Action needed
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Counter-jib, ballast and counterweightsChoose one

    Ballast in place and secured as the manufacturer specifies, nothing loose.

    • Acceptable
    • Action needed
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Access ladders, rest platforms and guardrailsChoose one

    Rungs, hoops, gates and platforms secure.

    • Acceptable
    • Action needed
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Cab: windows, seat, controls and heatingChoose one

    Windows clean and unbroken, nothing loose in the cab.

    • Acceptable
    • Action needed
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Electrical supply, cables and isolatorChoose one

    No damaged cables; panels closed.

    • Acceptable
    • Action needed
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Lighting on the crane and at the baseChoose one
    • Acceptable
    • Action needed
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Aviation obstacle lightsChoose one

    Working, if fitted.

    • Acceptable
    • Action needed
    • Not checked
    • Not applicable
    Shown when “Aviation obstacle lights fitted?” is Yes
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Hazards around the craneChoose one

    Other cranes, buildings or plant that could stop it slewing freely out of service; overhead lines.

    • Acceptable
    • Action needed
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Photos: structure and any defectPhotos
  • Structure checks needing actionWorked out by the form
  • Not checkedWorked out by the form

Ropes, hook and block

  • Hoist ropeChoose one

    No broken wires, kinks, crushing, birdcaging or corrosion along the length you can see.

    • Acceptable
    • Action needed
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Trolley ropesChoose one

    Tension and condition. Trolley jib cranes only.

    • Acceptable
    • Action needed
    • Not checked
    • Not applicable
    Shown only when the answers above make it relevant
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Luffing ropeChoose one

    Luffing jib cranes only.

    • Acceptable
    • Action needed
    • Not checked
    • Not applicable
    Shown when “Type” is “Luffing jib”
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Rope terminations and wedge socketsChoose one
    • Acceptable
    • Action needed
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Sheaves and rope guidesChoose one

    Turn freely, no cracks, ropes sitting in the grooves.

    • Acceptable
    • Action needed
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Rope spooling on the drumsChoose one

    Even layers, no crossed or slack turns.

    • Acceptable
    • Action needed
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Hook, safety catch and swivelChoose one

    No cracks, deformation or opening of the throat; catch closes; swivel turns.

    • Acceptable
    • Action needed
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Hook block and trolleyChoose one

    Plates, sheaves and pins sound; trolley wheels and buffers in place.

    • Acceptable
    • Action needed
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Photos: hook, ropes and any defectPhotos
  • Rope and hook checks needing actionWorked out by the form
  • Not checkedWorked out by the form

Safety devices, limits and brakes

  • GuidanceTest each device with no load, or as the manual describes. Do not start lifting until they all pass.
  • GuidanceUS. Operations must not begin unless the tower crane safety devices work, including the hoist, swing and trolley brakes, deadman or forced neutral controls and the emergency stop (29 CFR 1926.1435(d)). Operational aids such as the trolley travel limit, anti two-block and load moment limiting devices must work, or the temporary alternative measures in 1926.1435(e) be in place; category I aids are repaired within 7 calendar days and category II aids, which include the wind speed indicator, within 30.
    Shown when “Rules that apply” is “US: OSHA 29 CFR 1926 subpart CC”
  • Rated capacity indicator or load moment limiterChoose one

    Display working; test as the manual describes.

    • Pass
    • Fail
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Hoist upper limit (anti two-block) and lower limitChoose one

    Hook stops before the block meets the trolley or jib, and before the last wraps leave the drum.

    • Pass
    • Fail
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Trolley in and out limits, and slow-downChoose one

    Trolley jib cranes. Trolley slows and stops before the end stops.

    • Pass
    • Fail
    • Not checked
    • Not applicable
    Shown only when the answers above make it relevant
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Luffing limits, and slow-downChoose one

    Luffing jib cranes. Jib stops at the minimum and maximum radius.

    • Pass
    • Fail
    • Not checked
    • Not applicable
    Shown when “Type” is “Luffing jib”
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Slew limits or zoning, if fittedChoose one

    Stops at the set zone, for example over the public highway or a neighbouring site.

    • Pass
    • Fail
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Radius and load displayChoose one

    Readable from the cab and matches the position of the hook.

    • Pass
    • Fail
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Anemometer and wind displayChoose one

    Display working, reading changes with the wind, alarm set as the manual says.

    • Pass
    • Fail
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Hoist, slew and trolley or luffing brakesChoose one

    Hold the load and stop the motion as the manual describes.

    • Pass
    • Fail
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Emergency stop in the cabChoose one

    Stops all motions.

    • Pass
    • Fail
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Controls return to neutral (deadman)Choose one

    Motions stop when the levers are released.

    • Pass
    • Fail
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Free slew (weathervaning) deviceChoose one

    Releases the slew brake for out of service, as the manual says.

    • Pass
    • Fail
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Horn or warning signalChoose one
    • Pass
    • Fail
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Radio check with the slinger or signallerChoose one

    Clear on the agreed channel, with a back-up agreed.

    • Pass
    • Fail
    • Not checked
    • Not applicable
  • What needs doing, or why not checkedNotes
    Shown only when the answers above make it relevant
  • Photos: displays and any failed testPhotos
  • Tests failedWorked out by the form
  • Not checkedWorked out by the form

Wind

  • Manufacturer's in-service wind limit*Number

    From the crane manual or the supplier. Use the same unit for both figures.

  • Wind speed now*Number
  • Unit*Choose one
    • m/s
    • mph
    • km/h
  • Where the reading came from*Choose one
    • Anemometer on this crane
    • Anemometer on another tower crane on this site
    • Estimated by a qualified or competent person
    • Hand-held anemometer
    • Forecast only
  • Time of the readingTime
  • Wind against the limitWorked out by the form
    Shown when “Manufacturer's in-service wind limit” is answered and “Wind speed now” is answered
  • WarningThe wind is above the manufacturer's in-service limit. Stop lifting and leave the crane out of service as the manual says.
    Shown only when the answers above make it relevant
  • wind_overWorked out by the form
  • GuidanceIf this crane's wind speed indicator is not working, 29 CFR 1926.1435(e)(6)(v) allows, as a temporary measure, wind information from a working indicator on another tower crane on the same site, or an estimate by a qualified person. Repair it within 30 calendar days.
    Shown only when the answers above make it relevant
  • CheckThe anemometer on this crane is not the source. Tell the appointed person and the crane supplier, and follow the supplier's instructions and the lifting plan on how wind is monitored until it is repaired.
    Shown only when the answers above make it relevant
  • CheckA forecast is not a reading at the crane. Get a measured reading before lifting.
    Shown when “Where the reading came from” is “Forecast only”
  • How the crane is left out of serviceShort answer

    As the manual says, for example free slew, hook raised, trolley in. For a luffing jib, the out-of-service radius from the manufacturer.

Result and defects

  • Items failed or needing actionWorked out by the form
  • Items not checkedWorked out by the form
  • Result*Choose one
    • In service
    • Out of service: crane not to be used
  • Restrictions on use, if anyShort answer

    For example lifting stops when the appointed person says, wind read from TC2.

    Shown when “Result” is “In service”
  • WarningAn item failed or needs action, but the crane is marked in service. Record why the appointed person and the supplier accept it, with the restrictions, or take it out of service.
    Shown only when the answers above make it relevant
  • How it was taken out of service, and who was told*Notes

    For example isolator locked off, sign in the cab, supplier called at 07:15.

    Shown when “Result” is “Out of service: crane not to be used”
  • GuidanceIf a deficiency is a safety hazard the crane is taken out of service until it is corrected (29 CFR 1926.1412(d)(2)).
    Shown when “Rules that apply” is “US: OSHA 29 CFR 1926 subpart CC” and “Result” is “Out of service: crane not to be used”
  • Crane supplier told about the defects?Yes or No
    Shown only when the answers above make it relevant
  • Supplier's job or call referenceShort answer
    Shown when “Crane supplier told about the defects?” is Yes
  • Operator name*Short answer
  • Operator signature*Signature

Actions and sign-off

  • Items needing actionWorked out by the form
  • ResultWorked out by the form
  • Actions
    Repeat for each action. Each one asks:
    • Action*Notes
    • PriorityChoose one
      • Urgent: do not use
      • Before the next lift
      • Within the period the supplier sets
      • At the next service
    • Who will do it*Short answer
    • Due byDate
    • Status*Choose one
      • Open
      • In progress
      • Done, checked
    • Photo when donePhotos
      Shown when “Status” is “Done, checked”
  • Actions still openWorked out by the form
  • Decision*Choose one
    • No further action
    • Repair, then repeat the affected checks
    • Supplier to examine before further use
  • Date of the next inspectionDate
  • SummaryNotes
  • Appointed person or crane supervisor nameShort answer
  • Appointed person or crane supervisor signature*Signature
  • Crane supplier's engineer nameShort answer
  • Crane supplier's engineer signatureSignature

See it filled in

A completed tower crane inspection checklist report, made by SiteSurvey from a fictional site visit: every answer, the photos, the guidance that applied and the sign-off, ready to send as a PDF.

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Tower crane inspection checklist FAQs

How often must a tower crane be inspected in the US?

Under 29 CFR 1926.1412, which applies to tower cranes through 1926.1435(f), a competent person inspects the crane each shift, a monthly inspection is documented with the items checked, results, name, signature and date and kept for at least three months, and a qualified person inspects it at least every 12 months. For tower cranes the monthly inspection adds the mast and structural bolts and the upper-most tie-in, braces, floor supports and wedges, and the annual adds the turntable and tower bolts for condition and torque.

Sources: OSHA 29 CFR 1926.1412, cranes and derricks in construction, inspections (eCFR) and OSHA 29 CFR 1926.1435, tower cranes (eCFR).

How often does a tower crane need a thorough examination in the UK?

LOLER regulation 9 requires a thorough examination after installation and after assembly at a new site, before use, where safety depends on the installation conditions. In service, lifting equipment that does not lift people is thoroughly examined at least every 12 months, or under an examination scheme, and after exceptional circumstances. Inspections by a competent person are required in between where appropriate, which is what this form records. The examiner's report gives the next due date, and the form flags it once it has passed.

Source: Lifting Operations and Lifting Equipment Regulations 1998, regulation 9, thorough examination and inspection.

What wind speed stops a tower crane?

The manufacturer's in-service limit for that crane, from its manual. The form states no figure of its own: you enter the limit and the wind now, in the same unit, and it flags the crane if the wind is above the limit. In the US, 1926.1435(e) requires a wind speed indicator mounted above the upper rotating structure; if it fails, wind information from a working indicator on another tower crane on the same site, or an estimate by a qualified person, may be used while it is repaired, within 30 calendar days.

Source: OSHA 29 CFR 1926.1435, tower cranes (eCFR).

What happens if a safety device fails the check?

Do not start lifting. In the US, 1926.1435(d) says operations must not begin unless the tower crane safety devices work, including the brakes, deadman controls and emergency stop, and 1926.1412(d)(2) takes a crane out of service when a deficiency is a safety hazard. In the UK, tell the appointed person and the crane supplier; HSE says the crane supervisor should have the authority to stop the lifting operation. The form records how the crane was stopped and who was told.

Sources: OSHA 29 CFR 1926.1412, cranes and derricks in construction, inspections (eCFR), OSHA 29 CFR 1926.1435, tower cranes (eCFR) and HSE, lifting operations in construction.

Do tower cranes still have to be notified to HSE?

No. HSE says the Notification of Conventional Tower Cranes Regulations 2010 were revoked and the register closed, so since 6 April 2013 there has been no duty to notify tower cranes on construction sites to HSE. Planning, supervision and thorough examination of lifting operations still apply.

Source: HSE, construction: tower crane safety FAQs.

Is this a thorough examination or a LOLER inspection report?

No. It is the in-service check by the operator or appointed person. A thorough examination, a post-erection inspection and a load test are done by a competent or qualified person and recorded in their own report; use the LOLER inspection checklist for an examiner's record and the lifting plan for the lift itself.

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