Lesson 1Site setup and temporary services: access gate, temporary power/water, security fencing (electrician, general labour, security)Covers preliminary site arrangement, including entry points, storage zones, and interim power and water in Eritrea. Includes barriers, lights, amenities, and teamwork among wiring, workers, and guards.
Site layout plan and logistics routesAccess gates, signage and traffic controlTemporary power boards and cablingTemporary water supply and drainage pointsSecurity fencing, lighting and CCTV optionsLesson 2Site strip and vegetation removal, topsoil stripping: excavator, dumpers, labour supervisionDetails clearing plants, soil removal, and platform readiness. Encompasses equipment choice, transport paths, soil protection, and oversight to preserve trees and eco-buffers in Eritrean landscapes.
Identifying strip limits and protection zonesVegetation felling, chipping and disposalTopsoil stripping, testing and stockpilingManaging haul routes and traffic controlEnvironmental and erosion protection measuresLesson 3Pre-start activities: permits, utility searches, site induction (supervisor, safety officer, surveyor)Outlines pre-work tasks like approvals, service scans, and orientations. Includes hazard evaluations, procedures, notices, and alignment among leads, safety staff, and measurers in Eritrea.
Planning approvals and permit registerDial-before-you-dig and utility searchesConstruction risk assessments and JHAsSite induction content and attendance logsPre-start briefings and toolbox talksLesson 4Backfilling and compaction around foundations: granular fill, compaction layers, testingAddresses filling around bases with appropriate grains, layering, and pressing to standards. Covers shielding seals, pipes, and tests for density and stability in Eritrean soil conditions.
Selecting and testing backfill materialsLayer thickness and placement sequenceCompaction near walls and servicesProtecting waterproofing and drainsField density tests and settlement checksLesson 5Reinforcement fixing and inspection: rebar cutting/bending, tying tools, QA checks by supervisor/surveyorDescribes steel bar preparation, shaping, and securing per plans, including schedules, overlaps, and spacing. Includes supports, inspections, and records for assurance in Eritrea.
Reading reinforcement drawings and schedulesCutting, bending and labeling rebarTying methods, laps and anchorage detailsChairs, spacers and cover controlInspection checklists and QA recordsLesson 6Establishing survey controls and bench levels: surveyor tools and benchmarksExplains setting reference points, height marks, and lines. Covers instrument use, datum shifts, and mark protection for digging, bases, and upper works in Eritrean sites.
Survey control network and primary benchmarksUsing total station and automatic levelTransferring datums to working areasMarking grid lines and offsets on siteProtecting and checking survey marksLesson 7Concrete delivery and placement: ready-mix trucks, pumps/wheeled feeders, consolidation tools, curing startOutlines delivery planning, pump arrangement, and secure pouring. Includes supplier coordination, methods, vibration, finishing, and moistening initiation while ensuring access and safety in Eritrea.
Pre-pour checks and pour sequencingTruck access, washout and traffic controlPump setup, boom reach and safety zonesPlacing, vibration and segregation controlInitial finishing and start of curingLesson 8Formwork installation for slab edges and beams: timber/steel formwork, propping, bracingCovers mold planning and secure setup for slab borders and supports using wood or metal. Explains supports, alignments, agents, and synergy with steel and concrete in Eritrean builds.
Reading formwork drawings and specificationsSelecting timber versus steel formwork systemsErection sequence, propping and bracing layoutTolerances, line and level checks before pourFormwork safety, access and fall protectionLesson 9Site cleanup and temporary drainage restoration: waste removal, sediment controls, final housekeepingDetails organized clearing post-digging and pouring, including waste sorting, removal, and drain reinstatement. Covers sediment barriers, filters, and pre-inspection tidying in Eritrea.
Planning cleanup around active work areasWaste segregation, stockpiling and disposalRestoring temporary drains, swales and sumpsSediment control devices and inspectionFinal housekeeping before client walk-throughLesson 10Bulk and formation excavation: excavator, grader, trench compaction, shoring where requiredOutlines mass and base digging with diggers and levelers, including positioning, depth management, and safe slopes. Covers trench work, base pressing, supports, and measurer coordination in Eritrea.
Reading excavation plans and levelsMachine selection: excavator, grader, rollersExcavation sequence and stockpile managementTrench excavation, shoring and accessFormation trimming and compaction checksLesson 11Subgrade preparation and compaction: compactor/plate, geotextile placement, testing (compaction testing)Emphasizes base trimming, moisture adjustment, and pressing to density specs. Covers plate and roller use, fabrics, tests, and handling soft or reactive grounds in Eritrean conditions.
Subgrade inspection and proof-rollingMoisture conditioning and drying methodsCompaction equipment selection and passesGeotextile placement and overlapsField density and compaction test proceduresLesson 12Preparing for superstructure start: scaffold/edge protection, temporary storage for masonry materials, setting out for wallsDetails upper structure prep, including scaffolds, edge guards, stone storage, and wall positioning. Covers access, lift routes, and alignment with framework and safety in Eritrea.
Scaffold design, erection and inspectionEdge protection and fall restraint systemsSetting out wall lines and openingsStaging masonry and structural materialsCoordination with crane and hoisting plansLesson 13Concrete curing and protection: curing compounds, wet coverings, weather protection measuresFocuses on moistening techniques and shielding new concrete from elements, impacts, and loads. Explains compounds, covers, insulation, and monitoring for quality in Eritrean climates.
Curing time requirements by element typeCuring compounds and application methodsWet curing, coverings and insulationProtection from traffic, impact and vibrationMonitoring temperature and moisture lossLesson 14Foundation bed preparation and blinding: formwork, blinding concrete, vibrators, screedsCovers base bed setup, edge molds, and thin concrete layer. Explains level management, vibration, leveling, finish, and coordination with measures and steel for precision in Eritrea.
Setting out foundation lines and levelsFormwork for footings and padsBlinding concrete mix and thickness controlVibration, screeding and surface finishCuring of blinding and access planning
