Roads NCV Level 4 — Memo

November 2023 — NCV Level 4 — Roads

NCV Level 4 2023 NCV Engineering

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Q1— Section header —

1.1Aquaplaning will occur when a thin layer of water is present or builds between the tyres and the road surface rban roads Lower mobility roads Cross roads Junctions Bridges

1.3Back End Base ust be level Graded to elevations shown in construction drawings Must be smooth Free from any surface irregularities Free from loose material The removal or release of air spaces/voids in the soil

1.6Routine maintenance Routine cleaning operations Checking the functionality regularly Rectangular shafts einforce ment /stabilization rain

Q2— Section header —

2.1.2Rigid pavements Flexible pavements Basket weave pattern Uniformly graded Clean It provides reference levelling when laying bricks. It provides pavement support. It helps to lock to interlock with the pavement.

2.7

2.9Low permeability. Strength and stiffness are derived from binder and aggregate structure. Relatively high binder contents provide good durability. Best used in areas of heavy traffic where rutting and fatigue

2.10Prevent water infiltrating through the road surface To protect the sub layers Provide good surface drainage To produce a all weather road surface To improve safety by minimizing loose stone aggregate

Q3— Section header —

3.1.1dge breaks. Damage caused to the edge of the road amage caused d ue to insufficient lateral support from the road shoulder (2\

3.1.3Potholes Surface failures within the surface layer Forming a hole in the surface layer Partial patching in the surface layer , failures such as: Raveling

3.2To provide guidance To command attention To convey a clear simple meaning To command respect (4\

3.3Clear and control invader plants Improve visibility Culvert cleaning Cleaning and clearing water ways Cleaning and clearing bridges Cleaning surface drains Erosion control (5\

3.4.3Road maintenance To slow down the deterioration of the road To preserve and extend the service life of the road Road rehabilitation Reverses /minimizes the effect of deterioration Adding or replacing materials in the existing road surface

3.6PPC overlays will provide A relatively thin wearing course Highly durable wearing course To accommodate expansion To accommodate contraction [30] TOTAL:30

Topics Identified

Business Functions

Mark Allocation

Sections30 + 40 + 30 = 100 marks

Paper information

TitleMemo

SubjectRoads

LevelNCV Level 4

Document typeNCV Engineering

Year2023

MonthNovember

Pages6

Downloads3

Examination context

Decade2020s

Years ago3y

SeasonSpring (SH)

Start dayWednesday

Exam periodNovember 2023

Days since exam1,076

About Roads examination preparation

This TVET examination resource can be used as part of a structured revision programme. Past papers are most useful when learners attempt questions independently, work within a realistic time limit, and review their answers afterwards.

How to use this resource for revision

A TVET past examination paper is most useful when it is treated as an active revision exercise. Try the questions yourself before checking the corresponding memorandum. Where you make an error, identify the reason — was it a knowledge gap, a calculation mistake, an interpretation issue, or an examination technique problem?

For stronger examination practice, complete the paper without unnecessary interruptions and keep track of the questions that take the most time. Afterwards, review the memorandum and separate knowledge gaps from mistakes caused by interpretation, calculation, structure, or examination technique.

understanding question requirements

applying subject knowledge

working under time constraints

checking answers

identifying revision priorities

A practical revision approach

Start by completing the resource without looking at the memorandum. Review incorrect and incomplete answers afterwards and make a short revision list based on the areas that caused difficulty.

File details

File size222.3 KB

Pages6

Archived on8 September 2026

File age47d

ContributorFreeMode

Fingerprint30F47242854A

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