Information
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H8B POST-TENSIONING .
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Project Name: Tabulam New Bridge.
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Location: BRUXNER HIGHWAY TABULAM
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Contractor
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Prepared by
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Conducted on
Work Activity Record
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N.A Not Applicable. N.C Not Checked
1 Have the following inspections been included by the stressing operator as part of their safe work method statement or procedure:
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(i) Inspection of the integrity of concrete around the anchorages?
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(ii) Inspection of anchorage components to ensure that they are clean and are the wedges free to move inside the barrel/taper?
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(iii) Inspection of the jack to ensure jaw is clean, free from dirt and not exhibiting excessive wear?
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2<br>Are suitable quantities and size of vibrators available to compact concrete around anti-burst steel?
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3<br>Is a suitable person available to monitor the concrete pour around ducts to ensure integrity maintained?
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4<br>Is anti-bursting steel installed in accordance with the design drawings?
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5<br>Is provision 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:
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maximum stressing pressure,
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the jack reference number and
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calibration expiration date?
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7<br>Is a copy of the current jack and gauge calibration certificate available on site?
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8<br>Are suitable arrangements in place to ensure damage to tendons/strand does not occur during pre-pour operations? (Note: Use of oxyacetylene cutter and welding should be limited)<br><br>
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9<br>Is a competent person available on site to supervise the installation of dead ends and couplers?
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10<br>Are strand coils installed in a frame designed by the contractor for the purpose of storing strand?
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11<br>If the coil storage frame is to be lifted, is certification that it is safe to do so available on site?
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12<br>Is the stressing being carried out to the method and schedule determined by the approved design?
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13<br>Is the stressing being carried out to the load and extension requirements on the structural drawings?
14 Before final stressing commences, have the following been checked:
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(i) Have adequately designed and constructed barriers been erected at the live ends of tendons being stressed?
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(iii) 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?
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(ii) Has the stressing area been appropriately flagged and have warning signs been displayed?
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(iv) Are there adequate clearances available for the jack to prevent possible skewing or lifting during stressing?
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15<br>Are records available to show that the transfer strength for specific concrete pours has been achieved?
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16<br>Is suitable protection offered to other trades during cutting of strand after stressing?
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17<br>Are suitable waste bins provided to maintain housekeeping at stressing location?
Compliance and Follow-up action.
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Is the activity compliant.
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Surveillance Officer
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NCPN or memo number.
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Follow up action
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Product Non Conformance
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System Non Conformance
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Contractor generated NCR
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Contractor generated a CAR
Matters arising
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NCPN no
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Contractors NCR no
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CAR no
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Closed out.
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RMS representative's name
