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General Inclusions and Exclusions

This table provides a list of contract inclusions that should be reviewed for a bulk material handling project .This table of items could be considered a check list of key project considerations, before , during and on completion of a bulk materials handling project.



General Inclusions and Exclusions
Modifications to Existing Site
Drainage
Conveyor dynamics analysis
Belt rip protection systems
Centralized lubrication
Dust suppression
Lighting on conveyors and in transfer stations
Integration to higher level PLC and SCADA systems
Electrical work other than on-board conveyor electrical equipment
Trenching
Variable speed drives
All underground flame proof equipment.
Detailed conveyor structural loadings and bolt loadings.
Fire detection and/or suppression systems.Gantries elevated more than 7m should make an allowance for fire suppression at the head end of the conveyor. Water bowsers to be used for fire suppression on the ground level.
Fire hydrants or fire extinguishers .
All civil work design required for the installation of the equipment.
All transportation of conveyor equipment on site.
Spares holding optimization
All area separation , including vehicle gates, pedestrian gates , fences etc.
Surface conveyors without dog housing to have hold down points for wind on the head and tail frame.
Transfer points are enclosed and fitted with dust suppression systems to minimise dust pollution.
For service roads across wetland areas, culverts will be placed at regular intervals (maximum spacing of approximately 50 m) to allow the through flow of surface runoff.
Spillage handling
Mechanical and structural engineering design and drafting
Compressed Air
Water management, process water, sewage etc.
Power conditioning and power factor correction equipment
Transformers
Any blasting, cutting or trimming of underground rock or coal.
Supply of all fasteners, gaskets, packers, shims, masonry anchors and loose fittings as required to do the installation of the works.
Corrosion protection and touch up paint.
Compliance with site safety and environmental training requirements prior to commencing work, personnel medical and safety inductions.
Testing and commissioning of the equipment.
All civil work installation required for the installation of the equipment.
Belt magnets for tramp metal removal.
Belt scales.
Surface runoff at transfer points are locally contained by means of bund walls linked to silt traps. Silt traps with drying pads are provided at all transfer points.
An overall width of 8 m for single conveyors and 20 m for dual conveyors has been allowed for. This makes provision for the conveyors and associated service roads. The service roads will have gravel surfacing. The conveyors have generally been located abo...
Conveyors are fitted with HDPE idlers to minimize noise.
No transfer points, loading points or discharge points are located within wetlands.
Material flow testing
Diversion of roads, haul roads, pipelines, rivers etc.
Motor control center or programming of MCC components
Area lighting, high mast lighting etc.
Access and haul roads
Clearing of construction area of all debris, material , existing steelwork , civils etc. To allow for all new construction work.
Packing, marking and transport of all material and equipment to site.
Mobilization of all supervision, labour, materials, power supply, tools, construction plant and equipment, transport necessary for completion of the work.
All equipment safety signage.
All splicing , joining and repair of belting.
Rationalization for drives , gearboxes , pulleys , belting or idlers.
Site Surveying
Potable water.
Interlocking Industrial Paving
Conveyors at river crossings are fully enclosed.
Geotechnical survey and site survey
Relocation of Existing Services
Operational spares
LV lighting and small power transformers
Civil work including clearing, earthworks, design and grouting
HAZOP studies and resultant design changes.
Fiber optic or copper cable to PLC / SCADA system
Conveyor motor cabling and mini substations mounted on skid frames.
First fill of lubricants.
All civil work precast fabrication required for the installation of the conveyor.
Procurement of equipment, spares and sub-contactors
Considerations are to be made for conveyors crossing wetlands.
Site Security and equipment lock-up.
Communications Underground
Underground personal safety devices ( Lamp , emergency rescue pack and battery pack )
All lifting and rigging equipment.
Toilets
Personnel protective equipment
Washing down of area to clear spillage.
Considerations for the support of the mass of conveyor drives during maintenance on the low speed coupling.
A risk of water collecting on the belt – belt slipping is eminent and require that the design must make sure that water can run off from all the belt's tail pulleys
Fire booster water truck points.
Belt snapping at the highest point of tension and risk for the inclined conveyor feeding the silo which may result in potential structural damages which requires the inclusion of belt arrestors with run back idlers
Programmable Logic Controller (PLC) and SCADA software development
No allowance is made to changes to the current concept design. The contractor does not necessarily agree with the concept.The impact of such a change can only be verified after the re-design and selection of the updated concept design.
Structural Steel Detailing
All drawings and documents available will be made available in native format and only minor changes to these documents and drawings will be necessary to finalise the design
The standard drawings produced by the FEL3(BFS) contractor are acceptable and can be used without significant modification by the successful FEL4 contractor.
No time allowed for Environmental Services
Costs related to vendor/contractor visits and assessments (including Quality teams)
Hydro-geological or mine exploratory geotechnical investigations
Any time for As Built drawings , or offsite support for construction managamenet.
Any negotiations with Eskom or Transet.
All site rigging points, including working at heights rigging locations and lifting points for mechanical and electrical equipment maintenance.
Substation airconditioning design , UPS for AC and redundancy requirements.
Some coal tipper trucks make use of auto-tarpaulin closing systems, these systems have larger clearance heights. Designs for loading equipment to cater for these additional clearance heights.




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