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Method Statement Template

Excavation Method Statement Template 2026

Create OHSA-compliant excavation method statements for South African tenders. Covers Site survey and setting out, Topsoil stripping, Bulk earthworks, and more.

2-Minute Generation

AI generates your complete excavation method statement in under 2 minutes.

OHSA Compliant

Meets Construction Regulations 2014 and OHSA Construction Regulations 2014 (Reg 13) requirements.

Export Ready

Download as PDF or Word. Ready for tender submission.

What's Included in a Excavation Method Statement

Standard Sections

  • Excavation Plan
  • Underground Service Location
  • Excavation Sequence
  • Shoring and Support
  • Access and Egress
  • Dewatering Measures
  • Backfill Specification
  • Safety Measures

Common Activities Covered

  • Site survey and setting out
  • Topsoil stripping
  • Bulk earthworks
  • Trench excavation
  • Foundation excavation
  • Shoring and support installation
  • Dewatering
  • Backfilling and compaction

Excavation Hazards & Safety Requirements

Common Hazards

  • Trench collapse/cave-in
  • Falling into excavations
  • Underground service strikes
  • Flooding and water ingress
  • Vehicle and plant accidents
  • Hazardous atmospheres
  • Manual handling injuries
  • Noise and vibration

Required PPE

  • Hard hat
  • Safety boots (steel toe)
  • High-visibility vest
  • Gloves
  • Safety glasses
  • Hearing protection
  • Respiratory protection (as needed)

Applicable Regulations & Standards

OHSA Construction Regulations 2014 (Reg 13)
SANS 10400-H (Excavation)
Service location requirements

CIDB Classes applicable: CE, GB

Excavation Method Statements in South Africa

Excavation and earthworks are governed by the OHSA Construction Regulations 2014 (Regulation 13) and to the SANS 10400-B for foundation work. Excavation work is consistently in the top 5 causes of construction fatalities in South Africa, primarily from trench collapses and striking underground services. Government infrastructure tenders for roads (SANRAL), water (DWS), and municipal services always require detailed excavation method statements. Key requirements include: service detection methodology (using GPR, EM locators, and plans), shoring/battering calculations signed by a competent person (or Pr.Eng for >3m deep), dewatering plans, and spoil management. CIDB classes CE or GB apply. Geotechnical reports are typically provided by the client in tender documents, and your method statement must reference and respond to the reported soil conditions. Compaction testing per TMH1 (Technical Methods for Highways) is mandatory for all fill work on road and infrastructure projects.

Method Statement Writing Tips for Excavation

Tip 1: Start with your service detection methodology: describe the 3-step process (plans search → EM/GPR survey → hand-dig trial holes within 1m of detected services)

Tip 2: Reference the geotechnical report and show how your excavation method addresses the identified soil conditions (rock, clay, sand, water table level)

Tip 3: Specify battering or shoring for different trench depths: vertical cuts <1.5m in stable ground only, battering 1:1 for clay, 1:3 for sand, engineered shoring >3m

Tip 4: Detail your dewatering method (wellpoints, sump pumps) and how you manage discharge water to avoid environmental impact per NEMA Water Act requirements

Tip 5: For backfill and compaction, specify layer thickness (max 150mm for structural fill), compaction equipment by layer, and testing frequency per TMH1

Common Mistakes in Excavation Method Statements

Relying only on plans to locate underground services without physical verification — plans are often inaccurate by up to 2m

Entering trenches >1.5m without shoring in place — the most common fatal mistake in SA excavation work. "The soil looks stable" is not a risk assessment

Not specifying compaction layer thickness and testing frequency — achieving overall compaction without layer-by-layer testing does not meet COLTO or TMH1 standards

Failing to address dewatering disposal — pumping turbid water into stormwater drains or watercourses triggers NEMA Water Act offences

Using road base material requirements for pipe bedding — these are different specifications and mixing them up is a common tender error

Key Legislation for Excavation Method Statements

Regulation / StandardRequirement
OHSA Construction Regulations 2014, Reg 13Excavations: requires competent person supervision, shoring for >1.5m in unstable ground, barricading, edge protection, safe access, daily inspections, and engineer design for >3m deep.
TMH1 (Technical Methods for Highways)Standard test methods for road materials including compaction testing (Mod AASHTO), California Bearing Ratio (CBR), grading analysis, and Atterberg limits.
COLTO Standard SpecificationsCommittee of Land Transport Officials specifications for roadworks and earthworks. Defines material classes, compaction requirements, and construction tolerances used in all SANRAL tenders.
NEMA National Water Act 36 of 1998Dewatering discharge and turbid water management near watercourses requires a Water Use Licence or General Authorisation. Construction stormwater management plan required.

Excavation Method Statement FAQ

At what depth must shoring be installed in trenches?
Construction Regulation 13 requires shoring at depths >1.5m unless the sides are battered to a safe angle determined by a competent person based on soil type. For depths >3m, engineer-designed shoring is required regardless of soil conditions.
What compaction standard is required for road earthworks?
SANRAL and COLTO specify ≥95% Modified AASHTO density for structural fill layers (subbase, subgrade) and ≥93% for general fill. Each layer must not exceed 150mm compacted thickness and must be tested individually.
Do I need a geotechnical report for my tender submission?
The client typically provides the geotechnical report in tender documents. Your method statement must reference and respond to its findings — showing how your excavation methodology addresses the identified soil conditions, water table level, and any geotechnical recommendations.
What is the service detection standard for excavation?
Best practice (and most tender requirements) follow a 3-step process: (1) desk study of municipal and utility plans, (2) electromagnetic and ground-penetrating radar survey by a qualified operator, (3) hand-dig trial holes to physically expose any detected services within the excavation zone.

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