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[Music]

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no construction site is complete without

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its fair share of tower cranes and here

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at media city we're no exception

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it seems that they appear from nowhere

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almost overnight and before you know it

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they're in full swing but it's not quite

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that easy at this film will show the

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team of media city are about to erect TC

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10 a saddle jib tower train and we're

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going to follow its progress through to

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completion first the project manager

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with the assistance of the health and

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safety support team have to consider a

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few things

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what type of crane where is it to be

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situated how high what length does the

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jib need to be what sort of base how's

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it going to be built and finally how do

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we dismantle the thing something else

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that is really important the paperwork

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apart from the usual method statements

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and permits there are various stages

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throughout the crane erection where

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checks need to be undertaken

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certificates issued and signatures

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required so we know where the cranes

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going and we know the type of crane we

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need but first we need to expose the

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piles around which the concrete crane

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base will be set the designs are

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produced and approved by highly skilled

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engineers and enormous care is taken to

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make sure that the base is of the

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highest standard at last we can start

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digging well almost a permit to excavate

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must be raised and method statements

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produced and discussed with the

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excavation team

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the site is clear and an exclusion zone

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created and although underground utility

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checks were carried out previously the

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area is scanned with a cat detector

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prior to excavation

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the important safety word should always

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be foremost so guardrails and safe

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access routes are put in place piles

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down to the correct height blinding

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concrete is fought to give us a clean

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surface where we can build our steel

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cage

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these concrete footings are where the

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cream-based section will sit

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the cage needs to be checked and signed

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off

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and then preformed walls complete the

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structure the base is back filled

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and compact it

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the first section of the crane which has

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been positioned nearby is lifted onto

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the footings

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the crane base section anchors are tied

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into the cage this is pretty critical at

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the guys that will erect a must have to

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be confident that the base is solid and

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safe our temporary works coordinator and

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the crane supervisor make the final

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checks before the complete is for

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give samples percent of the laughs where

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tests will be carried out on the

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concrete and reports sent to the

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temporary works engineer so he knows

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when it's safe to proceed to the next

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stage

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all people weren't completed base

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construction thoroughly checked the

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project is handed on to the erection

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contractor in this case HTC the base has

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hardened off and the mast can now be

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built after the lifting operations

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manager completes his pre erection audit

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rated the permit to erect and checks

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that the foundation approval certificate

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has been issued by the temporary works

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engineer the erection team must not

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continue without the certificate of

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approval we have to extend the original

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exclusion zone now that the crane is to

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be erected the zone has to take into

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account the eventual height of the mast

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and the length of the jail this is all

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laid out in the method statements we've

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allocated an area for the mobile crane

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tested the ground and checked insurance

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documents this crane is pretty high it's

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not going to be freestanding we're going

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to tie it into the core for stability

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the ties will be fitted to steel

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brackets which will have to be fixed

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into the core at the required height

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would inform us the bunk the location of

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the brackets are removed the steel

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brackets will have to be checked and

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approved by the temporary works engineer

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the crane sections are delivered and

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inspected by the erection crew careful

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attention is paid to the pins and

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retaining clips mobile cranes like all

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other types of cranes operate under

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strict guidelines if the wind is too

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strong work starts

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as each section is lifted the slinger

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banks Minh and operatives on the mast

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guide it into place

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locate the feet hammer home the pins and

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check and confirm that the securing

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devices are fixed and in flames the

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erection team or though they may have a

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head for Heights make sure that

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harnesses and safety equipment is one at

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all times

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now the mast has reached the height

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where it is going to be tied into the

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core we fixed the yellow tie collar to

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the section when it was on the ground

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and now we can lift it into its position

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on the mast tie legs are assembled to

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their approximate length and prepared

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for lifting the tour the ties can be

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fitted the brackets on the core have

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been inspected and approved by the

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temporary works engineer

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our site engineer checks the tower is

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vertical and relates his findings to the

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crew so they can make adjustments to the

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ties before fully tightening the bolts

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now that the tower is tied into the core

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we can finish building the mast up to

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its final height the a-frame and slue

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ring are lifted into place are secured

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with high tensile pins and retaining

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clips followed by the cab the counter

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jib is next being raised off the ground

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and changed for balance before being

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lifted to the top of the mast a tag line

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controls the jib on the way out until

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it's placed into its catchment hooks and

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secures and the bracing bars attached

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the main Jade is assembled in the

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exclusion zone trolley ropes and safety

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rails are fitted and like the counter

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jib it's raised off the ground and

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checks for balance the tower crane is

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slewed round ready to fit the main gym

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which is lifted and secured bracing bars

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are connected to the top of the a frame

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then the jib lowered to its final

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horizontal position all retaining bolts

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pins and tie bar connections are

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carefully checked

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counterweights are lifted into place the

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hook block and rope are made ready then

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hoist it up to the jib where the fitter

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will complete the process and set limits

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ready for weight tests before testing

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the supervisor will carry out an

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inspection including all connections

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ballast ropes and Anchorage points the

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cranes Bill's a bit more paperwork needs

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to be produced the erectors inspection

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and handover certificates are issued and

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the lifting operations manager completes

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his post direction audit before we can

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Commission the crane into use there is a

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little more work to do

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an overload test is carried out so the

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crane can be certified

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an independent engineer completes a

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report of thorough examination and the

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management audit is finalized routine

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checks will be carried out until the

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crane has finished its work and is

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finally decommissioned so there we are

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a great deal of work and preparation

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goes into the erection of the tower

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train they don't just appear by magic

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and although exclusion zones may seem to

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be a real nuisance they are there for a

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reason

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not to make everyone's life difficult

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but to keep everyone safe and out of

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harm's way

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TC 10 is now fully operating as one of

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many tower cranes on the media city site

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you