Industry Q&A

safety-compliance · Buyer · Kampala · 2026-10-31

Are Uganda's PVoC certificate and the ICC the same thing?

No. The CoC is issued in the country of supply before shipment; the ICC is issued by UNBS on arrival to release the cargo. Both are required.

12 answers

safety-compliance · Buyer · Kampala · 2026-10-31

South Africa paused PVoC — do I still need a CoC to export?

Only the China-specific PVoC scheme was paused; NRCS compulsory-specification LOA and normal clearance are unchanged. Have the importer confirm in writing with the SABS and NRCS.

17 answers

finance-insurance · Finance adviser · Johannesburg · 2026-10-31

Does the zero-tariff policy affect our equipment prices in Africa?

It does not change destination duties or conformity rules. The zero-tariff move is China's unilateral opening to African imports; exports still follow local tariffs, VAT and schemes like PVoC or SONCAP.

18 answers

safety-compliance · Clearing agent · Douala · 2026-10-31

How do I choose between Kenya PVoC routes A, B and C?

First or occasional shipments use A (per-consignment), stable repeat models use B (registration), long-term volume supply uses C (licensing with factory audit); all three need a CoC before loading.

18 answers

port-shipping · Rental company · Mombasa · 2026-10-31

Mombasa or Dar es Salaam for a landlocked project?

Compare by destination and cargo: Uganda, Rwanda, South Sudan and eastern DR Congo can use either corridor. Weigh schedules, yard space and inland distance; confirm lifting capacity and weight limits for heavy units.

18 answers

africa-infrastructure · Chen · Road and bridge EPC · 2026-10-31

What changes for bidders under Uganda's E-GP rollout?

Suppliers register and maintain profiles in the system, submit in the platform format with set limits on attachments and signatures, and follow clarifications and deadlines recorded on the platform as paper submissions phase out.

18 answers

machinery · Buyer · Abuja · 2026-10-31

Roller exports are surging — will my order take longer?

Exports are now over 70 percent of sales, tightening schedules and space for popular models. Lock a shipping window, agree a freight adjustment clause and start destination certification early.

18 answers

mining · Mine equipment manager · Kitwe · 2026-10-31

How much water should a haul road get in the wet season?

Keep the surface damp without pooling and water in segments by evaporation; over-watering softens the base and raises both rolling resistance and tyre wear.

21 answers

machinery · Used equipment dealer · Dubai · 2026-10-31

What cold-versus-hot cycle gap is abnormal on used hydraulics?

A cold-versus-hot gap above 15 percent warrants checking main pump efficiency, relief valves and the temperature sensor, then pilot pressure.

10 answers

used-trade · Clearing agent · Douala · 2026-10-31

Why not compare used machines on FOB price alone?

Landed cost adds freight, duty and VAT, refurbishment and tied-up capital, typically 15 to 25 percent above FOB.

11 answers

port-shipping · Rental company · Mombasa · 2026-10-31

What is most often missed when booking out-of-gauge equipment?

Cut-off, lashing plan and quay lifting capacity; missing any one risks re-booking or storage charges.

12 answers

spare-parts · Li · Parts supply chain · 2026-10-31

Why is spare-parts safety stock not set by sales volume?

Stock exists to cut downtime cost, not to follow sales. Cost the hourly downtime first, then set A/B/C multiples.

13 answers

finance-insurance · Finance adviser · Johannesburg · 2026-10-31

What sum insured makes sense for equipment insurance?

Insure on replacement value rather than book value, balance deductible against premium, and check exclusions for earthquake, war and wear.

14 answers

energy-power · Ahmed Ben Salah · 2026-10-31

How to trace uneven load sharing on parallel gensets?

Verify CT polarity first, compare droop settings, then check line impedance differences.

15 answers

agri-irrigation · Farmer · Kano · 2026-10-31

Can drip headworks filter order be reversed?

No. Sand first then discs on sandy water, backwash at 0.05 to 0.08 MPa and check weekly in season.

16 answers

safety-compliance · Zhou Anquan · 2026-10-31

How to write a safety checklist that is actually used?

Each line needs a location, a testable criterion and an owner, such as edge protection height or earth resistance, plus a deadline.

17 answers

equipment-rental · Rental company · Mombasa · 2026-10-31

Which photos are essential at equipment handover?

Four sides, hour meter, tyres or tracks, bucket and cylinders, and tools, signed by both parties with originals kept.

18 answers

safety-compliance · Zhou Anquan · 2026-10-31

How often should a temporary board's leakage trip be tested?

Test monthly at minimum and record it; trip current no more than 30 mA, with earth resistance measured around rainy periods.

16 answers

port-shipping · Contractor commercial · Dar es Salaam · 2026-10-31

A 120-tonne unit: lift or ro-ro?

Routine terminal lift is 40 to 60 tonnes, so 120 tonnes needs a floating crane or ship's gear; where height exceeds the hatch or no floating crane exists, ro-ro or SPMT is more realistic. Compare total cost.

17 answers

forestry-timber · Timber operator · Douala · 2026-10-31

What to do when sawn timber arrives over moisture spec?

Stack separately for rechecking rather than mixing with accepted stock; settle by contractual weight deduction or downgrade, and review whether end sealing and covering were done.

18 answers

agri-irrigation · Farmer · Kano · 2026-10-31

Solar pump delivers nothing on cloudy days — what now?

Size the tank at 1.2 times daily demand to absorb variation, derive the array from peak sun hours with 15 percent margin, and keep backup power or lower the daily target in long cloudy spells.

19 answers

used-trade · Used equipment dealer · Dubai · 2026-10-30

How much does an A- unit cost versus a B+ of the same model?

Typically 8–15 percent for comparable duty, driven by structural repair and wear-part budgets; compare inspection findings and hours, not the grade alone.

18 answers

safety-compliance · Buyer · Nairobi · 2026-10-30

The Kenyan PVoC certificate expired while the container is at sea. Can it be reissued?

Validity is tied to the shipment, so re-inspection is normally required; confirm with the issuing body whether it can be reissued before arrival.

14 answers

shipping · Buyer · Kampala · 2026-10-30

How long does transit from Mombasa to Kampala take?

Clearance in Nairobi takes three to five days; the road from Mombasa to Kampala usually seven to ten, up to two weeks in the rains.

6 answers

port-shipping · Clearing agent · Douala · 2026-10-30

RoRo or container for a 30-tonne excavator?

With the counterweight removed it fits a 40ft flat rack, frequent sailings but demanding lashing; RoRo loads faster but sailings are scarce.

16 answers

port-shipping · Clearing agent · Douala · 2026-10-29

RoRo to Douala is infrequent — is container shipping for an excavator worth it?

A 20-tonne unit with the counterweight removed fits a 40ft flat rack: dearer than RoRo but with more sailings and lower port-congestion risk. Oversize machines are still better on RoRo or break bulk.

9 answers

spare-parts · Maintenance lead · Lusaka · 2026-10-29

A mine needs parts urgently — how should we split air and sea freight?

Send small wear parts and downtime-critical items by air, arriving in three to seven days; ship structures, tracks and cylinders by sea with quarterly safety stock.

15 answers

compliance · Clearing agent · Douala · 2026-10-29

The CoC is required but the sailing moved up; can we supply it on arrival?

Most markets do not accept late certificates and clearance fails without them; better to miss one sailing than gamble on arrival.

11 answers

compliance · Used equipment dealer · Dubai · 2026-10-29

Do used machine exports need OEM certificates?

Most markets do not, but want nameplate, hours and service records; some require a pre-shipment inspection report.

21 answers

safety-compliance · Procurement manager · Luanda · 2026-10-28

Tanzania TBS certification: which used machinery categories require it?

Requirements vary by category and use, stricter for safety and electrical parts; check the current list and pre-shipment inspection before dispatch.

9 answers

mining · 矿区调度 · 卢本巴希 · 2026-10-28

How do I keep haul roads serviceable through the rainy season without overspending?

Drainez d'abord fossés et dévers, puis compactez un granulat calibré ; remplacer 30 à 50 cm des zones qui se transforment en boue avant les pluies coûte moins que des recharges répétées.

14 answers

spare · Maintenance lead · Lusaka · 2026-10-28

Do aftermarket bucket teeth wear much faster?

Little difference in soft soil; in hard rock and gravel use OEM or heavy-duty teeth, the cost per cubic metre is lower.

16 answers

power · Field service engineer · Lagos · 2026-10-28

How often should solar panels be cleaned?

Every two weeks in the dry season, monthly in the rains, and clean early or late to avoid thermal cracking.

8 answers

construction-projects · Contractor commercial · Dar es Salaam · 2026-10-27

Renting a tower crane and a mobile crane together: how to write dispatch priority into the contract

Spell out priority of use, standby charges and rescheduling notice, plus how overlapping rental periods are settled.

11 answers

mining · 设备主管 · 基特韦 · 2026-10-27

How many hours do haul truck tyres usually last?

Sur pistes non revêtues, 3 000 à 5 000 heures selon l'état de la piste et la gestion des pressions ; relevez la profondeur de sculpture chaque semaine et remplacez par paires avant la limite d'usure.

11 answers

used · Used equipment dealer · Dubai · 2026-10-27

A used unit's quote includes refurbishment; how do we judge quality?

Check structural welds, hose routing and paint masking, and ask for the refurbishment list with photos of replaced parts.

21 answers

spare · Maintenance lead · Lusaka · 2026-10-27

Leaking hydraulic cylinder: repair or replace?

Replace if the barrel is scored or the rod bent; a seal kit suffices when only seals aged. Measure the bore first.

13 answers

port-shipping · 货代操作 · 达累斯萨拉姆 · 2026-10-26

When is Dar es Salaam port most congested?

Les arrivées se concentrent en fin de mois et avant les fêtes, ralentissant la rotation du parc ; réservez environ 10 jours plus tôt et prévoyez 7 à 10 jours de dédouanement.

16 answers

cost · Chief engineer · Nairobi · 2026-10-26

How should contracts handle large exchange-rate swings?

Fix the currency and a reference date, and share movement beyond an agreed band; easier to agree than a hard lock.

8 answers

used · Used equipment dealer · Dubai · 2026-10-26

What documents are needed to transfer a used machine?

Usually invoice, certificate of origin and photos of nameplate and chassis number; some countries add inspection and duty receipts.

18 answers

mining · Mine equipment manager · Kitwe · 2026-10-25

Expanding a Ghana gold wash plant: crusher or screen first?

Find the bottleneck tonnage first; crushing usually limits throughput, but if screening is the constraint, upgrading it costs less.

12 answers

maintenance · Field service engineer · Lagos · 2026-10-25

How often should hydraulic oil be changed?

Every 2,000 hours or one year, whichever comes first; 1,500 hours in dust or heat, with filters at the same time.

13 answers

cost · Chief engineer · Nairobi · 2026-10-25

Over how many years should equipment be depreciated?

Eight to ten years or 15,000 hours is common; five years is safer for intensive mining use.

23 answers

used-trade · Buyer · Abuja · 2026-10-24

Used haul trucks with incomplete overhaul records: how much to negotiate off

Discount by remaining life of key assemblies; without records, start below the median for comparable units and fix who pays for the first overhaul on arrival.

16 answers

port-shipping · 项目物流 · 洛美 · 2026-10-24

How early should breakbulk space be booked for oversize cargo?

En général trois à quatre semaines, davantage pour les colis lourds ou hors gabarit ; vérifiez la capacité et les limites de levage du port de déchargement avant de réserver.

9 answers

power · Export inspector · Guangzhou · 2026-10-24

What happens when a generator runs at low load for long periods?

Below 30 per cent load it cokes up, burns more fuel and shortens overhaul intervals; add storage or use a smaller set.

18 answers

safety-compliance · Field service engineer · Lagos · 2026-10-24

How is a hot-work permit managed on site?

Approve before work, clear combustibles, provide extinguishers and a fire watch, recheck one hour after and keep records.

10 answers

port-shipping · Buyer · Nairobi · 2026-10-23

Shipping one 20-tonne excavator from China to Mombasa: container or breakbulk?

A single unit is often cheaper in a flat rack or on breakbulk; dimensions, lashing cost and discharge conditions decide.

13 answers

spare-parts · 配件商 · 拉各斯 · 2026-10-23

Can aftermarket parts be used safely?

Les pièces d'usure garanties conviennent ; pour l'hydraulique principale et l'électronique, privilégiez l'origine. Vérifiez référence et lot avant montage.

21 answers

training · Chief engineer · Nairobi · 2026-10-23

How long does operator training take before working alone?

Experienced operators need two weeks for routine shifts; beginners four weeks with mentoring, assessed on the machine.

23 answers

africa-infrastructure · Mining equipment manager · Lusaka · 2026-10-23

Switching camp power between diesel and the grid?

Use a changeover panel with mechanical and electrical interlocks, and stage loads to avoid simultaneous starts.

15 answers

spare-parts · 库房主管 · 阿克拉 · 2026-10-22

How much wear-part stock should we hold?

Trois à six mois de consommation selon le parc et l'usage ; priorité aux dents, filtres et joints hydrauliques, les pièces coûteuses en stock mutualisé.

13 answers

safety · Field service engineer · Lagos · 2026-10-22

Is residual-current protection mandatory for site power?

Most safety codes require RCDs at final distribution, and inspectors check them, so do not skip it.

10 answers

equipment-manufacturing · Export inspector · Guangzhou · 2026-10-22

Which standard applies to rated power on the machine plate?

Mark the engine or motor rating condition and cite the standard number, keeping shipping documents consistent.

20 answers

port-shipping · Contractor commercial · Dar es Salaam · 2026-10-21

Dar es Salaam to Lubumbashi by road: which permits for oversize loads?

Transit permits, oversize transport permits and escort arrangements are separate steps; file against axle loads and bridge limits on the route.

8 answers

machinery · Buyer · Abuja · 2026-10-21

What is the practical difference between grade B+ and A- when buying used excavators for African sites?

Look at remaining life in structures, hydraulics and undercarriage, and whether maintenance records are complete.

12 answers

used-trade · 二手评估 · 深圳 · 2026-10-21

Can refurbishment records be verified on used machines?

Un vendeur sérieux fournit la liste des réparations et pièces remplacées ; demandez photos, relevé horaire et dates de remplacement des organes clés, sinon négociez ou renoncez.

15 answers

project · Mining equipment manager · Lusaka · 2026-10-21

Where should machines be parked during the rains?

Pick high, drained hardstanding; put timber or steel plates under tracked units and avoid fill or low ground.

15 answers

machinery · Maintenance lead · Lusaka · 2026-10-21

Hard cold starting: check the heater or the battery first?

Test battery voltage and cranking current, then glow plugs and fuel supply; in cold weather check oil viscosity first.

7 answers

equipment-rental · Rental company · Mombasa · 2026-10-20

Excavator rental on African sites: monthly or per shift?

Monthly suits continuous work with controlled conditions, shift rates suit intermittent jobs; compare mobilisation and downtime liability too.

12 answers

used-trade · 二手买家 · 内罗毕 · 2026-10-20

What drives price differences between used machines of the same model?

Heures, année, état structurel et peinture d'origine ; l'historique châssis et hydraulique pèse plus que l'aspect.

12 answers

truck-logistics · Buyer · Kampala · 2026-10-20

Who is liable when an overloaded tipper is stopped?

Local axle-load rules govern; the carrier loads legally, and any shipper-specified load must be written into the contract.

20 answers

africa-infrastructure · Buyer · N'Djamena · 2026-10-19

Is it practical to ship a water-well rig to N'Djamena via Douala and then by road?

Assess road conditions and machine dimensions; ship oversize components disassembled with separate declarations.

8 answers

machinery · Mechanic · Abidjan · 2026-10-19

What breaker size suits a 20-tonne excavator?

En général 1 200 à 1 400 kg, dimensionné sur le débit hydraulique et la contre-pression ; un modèle trop gros accélère l'usure de la pompe.

10 answers

drilling · Field service engineer · Lagos · 2026-10-19

Low well yield: pump or formation?

Measure static level and yield, then compare the pump curve; usually the pump is oversized or the screen is clogged.

7 answers

equipment-rental · Finance adviser · Johannesburg · 2026-10-18

Rent-to-own contracts: when should ownership transfer?

Usually on final payment and acceptance, with terms for default, early termination and disposal set out.

10 answers

machinery · 机手 · 阿克拉 · 2026-10-18

What matters when changing loader attachments?

Norme d'attelage rapide, débit hydraulique et contrepoids ; les bras longs ou grappins exigent un nouveau calcul de charge de basculement.

9 answers

agri-irrigation · Buyer · Kampala · 2026-10-18

Where to look first when drip pressure fluctuates?

Check filter clogging and mainline leaks, then pump cavitation, then whether zone flow exceeds design.

12 answers

china-manufacturing · Equipment maker · Changsha · 2026-10-17

Exporting to Nigeria: are SONCAP and PVoC the same scheme?

They are separate national programmes with different forms, inspection bodies and certification routes; one cannot replace the other.

18 answers

safety-compliance · 合规顾问 · 坎帕拉 · 2026-10-17

Are PA certification and PVoC the same process?

Non. Le PVoC est une évaluation de conformité avant expédition ; le PA est une autorisation d'accès au marché dans certains pays, instruite par d'autres organismes.

17 answers

forestry-timber · Rental firm · Accra · 2026-10-17

How to handle axle overload on timber trucks?

Reduce load or split shipments; permits are slow, so the durable fix is a tri-axle or a loader crane to distribute weight.

17 answers

mining · Mine equipment manager · Kitwe · 2026-10-16

How many months of safety stock make sense for mining tippers in Zambian operations?

Working back from sea transit plus clearance, four to six months of critical parts is common.

15 answers

safety-compliance · 安全员 · 基特韦 · 2026-10-16

Which operator training records should be kept?

Feuilles de présence, résultats d'évaluation, autorisation par modèle et dates de recyclage ; les audits miniers demandent ces quatre pièces.

8 answers

equipment-rental · Rental firm · Accra · 2026-10-16

How is rent charged when a hired machine breaks down?

Downtime caused by the lessor is normally not charged; misuse by the lessee follows the contract.

22 answers

spare-parts · Equipment maker · Changsha · 2026-10-15

An overseas parts warehouse: Lagos or Accra?

Weigh installed base, clearance speed and transfer cost; for West Africa coverage, the port-and-route mix matters more than one city.

9 answers

agri-irrigation · 灌溉工程 · 卡诺 · 2026-10-15

How is total head calculated for a solar pump?

Additionnez hauteur statique et pertes de charge, puis 10 à 15 % de marge ; un tuyau sous-dimensionné augmente fortement les pertes.

12 answers

finance-insurance · Clearing agent · Douala · 2026-10-15

Is all-risks cover enough for equipment transport?

All risks is broad, but war, strike and delay are usually excluded; confirm inland legs are covered.

9 answers

spare-parts · Mine equipment manager · Kitwe · 2026-10-14

ABC parts classification: how to quantify downtime loss properly

Estimate shift revenue times expected downtime days, add replacement equipment cost, and rank by annualised loss rather than part price.

14 answers

mining · Mining equipment manager · Lusaka · 2026-10-14

Maintaining air filters on dusty mine roads?

Blow it every shift, add a pre-cleaner in heavy dust, log replacements by hours and do not wait for the warning.

14 answers

agri-irrigation · Farmer · Kano · 2026-10-13

Solar pumps in a run of cloudy dry-season days: how many days of storage?

Size from the longest cloudy spell and peak daily demand; two to three days of buffer is usually cheaper than a bigger battery bank.

11 answers

agri-irrigation · 农场技术员 · 尼亚美 · 2026-10-13

Why is drip irrigation pressure unstable?

Vérifiez d'abord la filtration et le désaérage de la conduite principale, puis la longueur des rampes ; des secteurs trop grands pénalisent l'extrémité.

10 answers

machinery · Export inspector · Guangzhou · 2026-10-13

Does a bigger bucket void the warranty?

Beyond the approved range it does; confirm in writing and recheck boom and swing loads.

19 answers

china-manufacturing · Manufacturer · Xuzhou · 2026-10-12

How do Chinese manufacturers usually set stock and after-sales duties with Nigerian agents?

Write demo units, parts quotas, response times and training duties into the agency agreement to avoid agents in name only.

21 answers

truck-logistics · 物流经理 · 洛美 · 2026-10-12

What value should cross-border transit insurance be based on?

Valeur facture plus fret, avec 10 % d'augmentation courante ; détaillez les engins de forte valeur.

11 answers

construction-projects · Chief engineer · Nairobi · 2026-10-12

The main contractor wants reflective markings; is there a standard?

Follow local road and site safety rules, apply tape height and area as the engineer requires, and keep conformity proof.

6 answers

agri-irrigation · Farmer · Kano · 2026-10-11

Tractor parts in Nigeria: how wide is the gap between OEM and aftermarket

Wear parts show the biggest gap; sealing and tolerance consistency matter, so trial small batches before switching high-turnover items.

7 answers

china-manufacturing · Export inspector · Guangzhou · 2026-10-11

Is export voltage the same as domestic?

It follows the destination grid: 380V/50Hz and 400V/50Hz are common, a few markets use 60Hz; confirm before ordering.

11 answers

finance-insurance · 外贸财务 · 广州 · 2026-10-10

Which LC clauses cause the most discrepancies?

Dates d'expédition, nombre de copies et certificats d'inspection tiers ; vérifiez la faisabilité clause par clause avant ouverture.

14 answers

forestry-timber · Timber operator · Douala · 2026-10-09

Landslide on a forest road in the rains: fastest temporary fix

An excavator with tippers handles short reopenings; drainage comes first or the fill washes out again.

9 answers

energy-power · Service manager · Accra · 2026-10-08

Solar-diesel hybrids: what minimum load for the genset?

Most units should stay above about 30 percent of rating; too low increases carbon build-up and fuel use.

13 answers

equipment-rental · Rental firm · Accra · 2026-10-08

Is shift-based or monthly equipment rental cheaper?

La journée convient sous 20 jours ; au-delà d'un mois, le forfait mensuel est plus avantageux. Vérifiez mobilisation et conducteur.

13 answers

finance-insurance · Finance adviser · Johannesburg · 2026-10-06

Missing a cargo claim deadline: is there still room to negotiate?

Policies set a notice period after discovery; late notice is not automatic rejection, but proof and leverage shrink.

12 answers

construction-projects · 项目经理 · 坎帕拉 · 2026-10-05

How should equipment mobilisation be sequenced for rainy-season works?

Réalisez d'abord drainage provisoire et accès empierré, terminez les terrassements avant les pluies, et réservez la saison humide au levage, au montage et au stockage.

15 answers

finance-insurance · Dealer · Lagos · 2026-10-04

An LC with an inspection certificate clause the buyer insists on: what to do

Switch to a third-party inspection report, or name an inspector both sides accept, so documents are not fully buyer-controlled.

15 answers

truck-logistics · Contractor commercial · Dar es Salaam · 2026-10-02

Trucks stuck at a border post: how insurance and demurrage work

Cargo cover handles accidents, not detention; demurrage starts after contracted free days, so agree the basis before signing.

10 answers

equipment-manufacturing · Equipment maker · Changsha · 2026-09-28

CKD kits arriving short: how long does a replacement part take?

Air freight is typically about a week, LCL by the month; list critical missing items separately and keep a local fallback.

8 answers