HO8B Post tensioning checklist

shawlaskewvilleUrban and Civil

Nov 29, 2013 (3 years and 4 months ago)

76 views

Occupational Health A
nd Safety


sample inspection checklist

G21M

RTA Model document
-

guidance to G21M Edition 1 / Revision 0 August 2008. Referenced by G21M/M.


H
0
8

(
B
)


POST

TENSIONIN
G


Checklist

Yes/No (

/

)

N.A. or
N.C.

1

Have the following inspections been included by the stressing operator as part of
their safe work method statement or procedure:

a) Inspection of the integrity of concrete around the an
chorages?


b) Inspection of anchorage components to ensure that they are clean and are
the wedges free to move inside the barrel/taper?


c) Inspection of the jack to ensure jaw is clean, free from dirt and not exhibiting
excessive wear?


2

Are suitabl
e quantities and size of vibrators available to compact concrete
around anti burst steel?


3

Is a suitable person available to monitor the concrete pour around ducts to
ensure integrity maintained?


4

Is anti bursting steel installed in accordance with d
esign drawings?


5

Is p
rovision of suitable protection at
the
ends of pour when running strand

available and being used
?


6

Does the jack carry a durable, self
-
adhesive or positively secured tag which
clearly shows:



Maximum stressing pressure




The jack

reference number and




calibration expiration date


7

Is there a copy of the current jack and gauge calibration certificate available?


8

Are suitable arrangements in place to ensure damage to tendons/strand does
not occur during pre
-
pour operations? (
NB Use of oxy and welding should be
limited?)


9

Is a competent person available on site to supervise the installation of dead ends
and couplers?


10

Are strand coils installed in a frame designed by the contractor for the purpose
of storing strand?


1
1

If coil storage frame is to be lifted, is certification available on site?


1
2

Is the stressing being carried out to the method and schedule determined by the
approved design?


1
3

Is the stressing being carried out to the load and extension requirements

on the
structural drawings?


14

Before final stressing is commenced have the following been checked:

a.
Have adequately designed and constructed barriers been erected at the live
ends of tendons being stressed?


b.
Has the stressing area been appropria
tely flagged and have warning signs been
displayed?


c.
Has the operator checked that the area is clear and that there are no
unauthorised persons between the jack and the barricade or within 2 metres of
any live end anchorage?


d.
Are there adequate c
learances available for the jack to prevent possible
skewing or lifting during stressing?


Occupational Health A
nd Safety


sample inspection checklist

G21M

RTA Model document
-

guidance to G21M Edition 1 / Revision 0 August 2008. Referenced by G21M/M.


Occupational Health A
nd Safety


sample inspection checklist

G21M

RTA Model document
-

guidance to G21M Edition 1 / Revision 0 August 2008. Referenced by G21M/M.




Checklist

Yes/No (

/

)

N.A. or
N.C.

15

Are records available to show that the transfer strength for specific concrete
pours has been achieved?


16

Is suit
able protection offered to other trades during cutting of strand after
stressing?


17

Are suitable waste bins provided to maintain housekeeping at stressing location?



Corrective Actions

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