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SECTION B - Derry City Council

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APPENDIX 1/5: TESTING TO BE CARRIED OUT BY THE CONTRACTOR (CONTINUED)<br />

Clause Work, Goods or Material Test<br />

Frequency of<br />

Testing<br />

Test Certificate Comments<br />

Series 1000<br />

1001<br />

1030<br />

1044<br />

Cement Required Quality management and<br />

product certification<br />

schemes apply<br />

Portland cement CEM 1<br />

Tests and test<br />

certificates are required<br />

Portland blastfurnace<br />

cement<br />

Blastfurnace cement<br />

CEM 111/A<br />

Portland pfa cement<br />

CEM 11/B-V<br />

Pozzolanic cement CEM<br />

Required (BS 6610)<br />

IV/A<br />

Portland cement with<br />

microsilica<br />

Required<br />

BBA Roads and Bridges<br />

Certificate required for<br />

microsilica<br />

Pulverised-fuel ash<br />

Tests and test<br />

Ground granulated blast furnace<br />

slag<br />

Admixtures<br />

certificates are required.<br />

Product certification<br />

schemes apply to pfa<br />

Mixing Water Sulfate content (N) Monthly<br />

and slag<br />

Aggregates<br />

Resistance to freezing<br />

and thawing –<br />

magnesium sulphate<br />

soundness (N)<br />

1 per source Required<br />

Water absorption (N)<br />

Flakiness index [N)<br />

Shell content (N)<br />

Resistance to<br />

fragmentation (N)<br />

Resistance to abrasion<br />

(AAV) (N)<br />

Grading and fines<br />

content (N)<br />

Chloride content (N)<br />

Total sulphur (TS) and<br />

acid-soluble sulphate<br />

(AS) content (N)<br />

Monthly*<br />

1 per source*<br />

6 monthly<br />

1 per source*<br />

1 per week per source* Required<br />

Weekly or as otherwise<br />

agreed (1 per source for<br />

CBM Aggregate)<br />

Every 6 months<br />

133

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