This certification validates technical competency and operational mastery in commercial concrete mixing machinery and site batching operations. Recipients demonstrate practical proficiency in mixing drum mechanics, aggregate-water batching parameters, slump test consistency, discharge chute positioning, pre-start safety walk-arounds, and safe drum washout and preventative maintenance protocols in strict compliance with PUWER 98 and international site safety regulations.
Atum Lazarous
CONCRETE MIXER MACHINERY OPERATIONS
1121272c-cea2-4224-bf6d-965f3fb75e08
Training Certificate
It is proudly presented to
Ahmed Sematimba
Coordinator
Issue Date: 2026-07-22
Location: SINOPEC International Petroleum CO., Uganda
Valid Until: 2028-07-22
TWSA Training Service, Plot 11B Kyanja Ring Road, Kampala, Uganda
Email: info@twsa.ug | www.twsa.ug
+256 707 128978
PUWER 98 | OSHA | BS EN 12151 | ISO 9001 | ISO 45001
9001 | 45001
MOWT | MGLSD | MOES
Distributed by:
AL

Issued to

Atum Lazarous

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Credential Verification

Issue date: July 22, 2026

Expiration date: July 22, 2028

ID: 1121272c-cea2-4224-bf6d-965f3fb75e08

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Issued by

TWSA Training and ServicesVerified

TWSA Training and Services offers industry-specific, certified training in HSSE for oil & gas, and construction sectors. Our certifications ensure participants meet global standards, enhancing safety, compliance, and workforce skills.

Type

Training

Level

Advanced

Format

Offline

Duration

1 months

Price

Paid

Description

This certification validates technical competency and operational mastery in commercial concrete mixing machinery and site batching operations. Recipients demonstrate practical proficiency in mixing drum mechanics, aggregate-water batching parameters, slump test consistency, discharge chute positioning, pre-start safety walk-arounds, and safe drum washout and preventative maintenance protocols in strict compliance with PUWER 98 and international site safety regulations.

Skills

Drum Mechanics & Rotation Control

Batching Ratios & Slump Consistency Parameters

Discharge Chute Positioning & Flow Control

PUWER 98 & OSHA Safety Compliance

Pre-Start Inspection & Machine Guarding Verification

Drum Washout & Preventative Maintenance Protocols

Earning Criteria

Participation

Complete the 2-day practical and theoretical training program covering concrete mixer mechanics, batching ratios, slump test verification, and equipment safety protocols under PUWER 98.

Assignment

Demonstrate practical operational control, executing safe material loading, precise discharge chute positioning, and slump consistency control on site without spilling or risking site safety hazards.

Other

Pass the practical pre-start equipment walk-around inspection, verifying drive guard integrity, belt tension, emergency stops, engine fluid levels, and drum lock mechanism interlocks.