8/12/2019 Sengkang Test Schedule

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CE SpecsPage 8-3

CE11/S8.DOCSal(010611)DPD

8.1 TESTING OF MATERIAL (CONT'D)

SCHEDULE OF MATERIAL TESTS (CE WORKS)

S/NTYPE OF

MATERIALTO BE TESTED

TYPE OF TEST TO BECARRIED OUT

FREQUENCY OF TESTFOR EACH TYPE OF TEST

NO. OFSAMPLESPER TEST

1. Timber piles ) a) Moisture content)) b) Green/dry stresses) (stress grading))) c) Preservative) penetration)) d) Dry salt retention

)) 1) 1 test for up to 3000 metre) run.)) 2) Subsequent test at each) interval of 3000 metre run) subject to a minimum of) 2 test.)

2. Concrete -concrete cube

Compressive strength 1 test for every 20 cubic metreor part thereof of each grade forevery concreting day.

2 cubes for testat 7 days and 2cubes for test at28 days.

3. Precast concretedrain channels,kerbs, roadchannels(gutters),dividers, etc

Absorption test 0.5% of total quantities requiredfor the Works subject to aminimum of 3 numbers.

3

a) Water absorption test a) 0.5% of total quantitiesrequired for the Workssubject to a minimum of 3slabs.

4. Precast aerationslabs

b) Transverse strengthtest

b) Minimum of 3 slabs forevery 1,000 pieces of theWorks.

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5. Precast BGslabs

a) Water absorption a) 3 tests for every 1,000pieces subject to a minimumof 3 tests.

b) Transverse strength

test

b) 3 tests for every 1,000

pieces subject to a minimumof 3 tests.

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6. Interlockingconcrete pavingblocks

a) Compressive strength a) 1 test for each 550 m2

ofinterlocking concretepavement.

16

b) Surface LayerThickness

b) 5 tests, comprising 1 sampleper test, for each 550 m

2of

interlocking concretepavement.

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8/12/2019 Sengkang Test Schedule

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CE SpecsPage 8-4

CE11/S8.DOCSal(010611)DPD

8.1 TESTING OF MATERIAL (CONT'D)

SCHEDULE OF MATERIAL TESTS (CE WORKS)

S/N

TYPE OF

MATERIALTO BE TESTED

TYPE OF TEST TO BE

CARRIED OUT

FREQUENCY OF TEST

FOR EACH TYPE OF TEST

NO. OF

SAMPLESPER TEST

a) Mean TransverseBreaking Load Test

a) 1 test for each 200 m2of

clay pavers pavement.107. Clay pavers for

flexible pavement(Type PB)

b) Mean Wet SkidResistance

b) 1 test for each 200 m2of

clay pavers pavement.5

8. Hot dippedgalvanisedgrating

Zinc Mass Coating Test 2% of total number of gratingssubject to a minimum of 3numbers of gratings.

9 Soil testing for

sidetables.

Soil classification 1 test for every 200 m of

sidetable subject to a minimumof 2 tests.

10. Final testing ofkerbs.

Water absorption test 1 test for every 120 m lengthsubject to a minimum of2 tests.

11. Final testing ofpremix.

Grading analysis,thickness and bitumencontent

1 test for every 550 m2of

carpark and 1 test for every 450m

2of service road/driveway

subject to a minimum of 2 tests.

12. Final testing ofprecast footpathslabs.

Water absorption test 1 sample for every 350 m2

subject to a minimum of 2 tests.

a) Compaction test(Dry Density/MoistureContent Relation)

a) 1 test for each classof material to be compacted

13. Compaction ofroad formation.

b) In Situ Field DensityTest

b) 1 test for every 300m2of

surface of each compactedlayer.

14. Compaction ofsubgrade.

CBR test. 1 test for every 50m ofcarriageway subject to aminimum of 3 tests.

15. Plant soil. Soil classifications. 3 tests.

16. Road Works LTA Road TestingRequirements

As specified in theSpecifications.

a) Tranverse StrengthTest

a) Minimum of 3 slabs forevery 1,000 pieces.

b) Water Absorption Test b) Minimum of 5 slabls forevery 1,000 pieces.

17. PerforatedInterlockingParing Slabs

c) Surface Layerthickness

b) 5 tests comprising 1 sampleper test, for each 550 m

2of

interlocking concretepavement.