008A RMS Surveillance Checklist H8A PRESTRESSING (GENERAL)

• H8A PRESTRESSING (GENERAL) .

• Project Name: Tabulam New Bridge.

• Location: BRUXNER HIGHWAY TABULAM

• Contractor

• Prepared by

• Conducted on

  Date

• N.A Not Applicable. N.C Not Checked

1 Have the following inspections been completed by the stressing operator prior to commencement of stressing:

• (i) Is the concrete around the anchorages in good condition?

  Yes

  No

  N.A.

  N.C.

• (ii) Are anchorage components clean and are the wedges free to move inside the taper?

  Yes

  No

  N.A.

  N.C.

• (iii) Are the grips in the jack clean, free from dirt and not exhibiting excessive wear?

  Yes

  No

  N.A.

  N.C.

• (iii) Are the grips in the jack clean, free from dirt and not exhibiting excessive wear?

  Yes

  No

  N.A.

  N.C.

• (iv) Does the jack carry a durable, self-adhesive or positively secured tag which clearly shows:<br>- final stressing pressure,<br>- diameter and grade of the strand for which the jack is to be used,<br>- jack identification number,<br>- corresponding gauge number, and<br>- expiry date of calibration?

  Yes

  No

  N.A.

  N.C.

• v) Is there a copy of the current jack and calibration certificate with the jack and gauge on site at all times?

  Yes

  No

  N.A.

  N.C.

2 During initial stressing, have the following issues been considered:

• (i) Is the stressing being carried out to the method and schedule determined by the design engineer?

  Yes

  No

  N.A.

  N.C.

• ii) Is the stressing being carried out to the load requirements on the structural drawings?

  Yes

  No

  N.A.

  N.C.

• (iii) Is a competent person present at the non-jacking end of double live end tendons to check that anchorage blocks and wedges are correctly seated, and to advise the stressing operator and to warn other site personnel to keep clear?

  Yes

  No

  N.A.

  N.C.

3 Before final stressing is commenced, have the following been checked:

• (i) Have adequately designed and constructed barriers been erected at the live ends of tendons being stressed?

  Yes

  No

  N.A.

  N.C.

• (ii) Has the stressing area been appropriately flagged and have warning signs been displayed?

  Yes

  No

  N.A.

  N.C.

• (iii) Has the operator checked that the area is clear and that there are no persons between the jack and the barricade or within 2 metres of any live end anchorage?

  Yes

  No

  N.A.

  N.C.

• (iv) Are there adequate clearances available for the jack to prevent possible skewing or lifting during stressing?

  Yes

  No

  N.A.

  N.C.

• (v) Do concrete compression tests indicate that transfer strength has been reached?

  Yes

  No

  N.A.

  N.C.

• Is the activity compliant.

  Yes

  No

  N.A.

  N.C.

• Surveillance Officer

  Sign

• NCPN or memo number.

  Yes

  No

  N/A

• Follow up action

  Yes

  No

  N/A

• Product Non Conformance

  Yes

  No

  N/A

• System Non Conformance

  Yes

  No

  N/A

• Contractor generated NCR

  Yes

  No

  N/A

• Contractor generated a CAR

  Yes

  No

  N/A

Matters arising

• NCPN no

• Contractors NCR no

• CAR no

• Closed out.

• RMS representative's name

  Sign