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• Contracts

  The subsections of this item cover the list of contract inclusion sections for a bulk material handling project. Items in this section should be used to compile contract documents for a bulk material handling project.

  • Assumptions

    This table provides a list of contract inclusions under the "Assumptions" section for a bulk material handling project.
  • Conditions of Contract

    This table provides a list of contract inclusions under the "Conditions of Contract" section for a bulk material handling project.
  • 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.
  • Inclusions and Exclusions

    This table provides a list of contract inclusions under the "Inclusions and Exclusions" section for a bulk material handling project.
  • Information Required

    This table provides a list of contract inclusions under the "information required" section for a bulk material handling project.
  • Limitations

    This table provides a list of limitations and qualifications for a bulk material handling project.
  • Precedence, Deviations and Conflicts

    When a conflict in requirements arises between a specification and other referenced documents, the following order of precedence shall apply. The list below describes the suggested precedence’s for a bulk material handling conveyor project. Should there be any further conflict then the Client or his appointed representative decision shall be final and based on the highest standards available.
• Conveyor Belting Data

  The subsections of this item cover the key fields used in the design and selection of a conveyor belt for a bulk material handling belt conveyor system. The items in this subsection are used to compile the belting components in the component section of this site.

  • Belt Class

    A conveyor belt class indicates maximum operating tensions for various standard fabric and steel cord belts. The table in this section covers a list of belt class groupings as seen in industry. Included with the class, is the standard this class is listed on and the calculated p.i.w of this belt.
  • Belt Cover Application

    A conveyor belt covers serve the purpose of protecting the carcass of the belt from load abrasion and any other conditions that may contribute to the belt deterioration. The table in this section covers a list of different conveyor belt cover applications.
  • Belt Cover Thickness

    The table in this section covers a list of different conveyor belt cover thicknesses. The top and bottom cover table thicknesses are separated to ensure database integrity. All tables are utilized for the design of components on this site.
  • Belt Cover Type

    The table in this section covers a list of belt cover types seen in industry. All tables are utilized for the design of components on this site.
  • Belt Modulus

    Modulus is a measure of a conveyor belt’s resistance to stretching. The modulus of elasticity in tension, sometimes referred to as Young’s modulus, is defined as the ratio of the increment of unit stress to increment of unit deformation within the elastic limit. A list of conveyor belt modulus is provided below. The table below is a list of catalogue values, and should be used as a comparison for any calculated values of modulus vs the supplier listed actual values.
  • Belt Types

    The table below is a list of different types of conveyor belts construction found in industry and includes the “vanilla design” factors of safety on allowable loading during running condition.
  • Belt Width

    A conveyor belt width is the primary selection criteria for the design of a new conveyor, and the optimization of material transport to width governs the final capital expenditure of the project as well as the operational expenditure. Selection of standardized belt width has far-reaching cost saving for design and installation on almost every aspect of a bulk materials handling project. The table below is a list of standard conveyor belt widths with the applicable governing standard.
  • Splice Type

    Splicing is the joining of two trimmed ends of a conveyor belt. The two most preferred types of splicing method: mechanical splicing, which joins belt ends by metal hinges or plates; and vulcanized splicing, which joins belt ends through heat and/or chemicals. The table below is a list of conveyor belt splicing types.
• Conveyor Design

  The subsections of this item cover the key fields used in the design and selection of a bulk material handling belt conveyor system. The items in this subsection are used to compile the power and tension design considerations for the component section of the site and assemblies.

  • Bearing Deflection Limits

    Bearing deflection, it is the elastic deformation occurring between balls and raceways due to external loads. This can be conversely called the allowable slope of deflection of the idler shaft through the bearing. The items in this subsection are used to compile the power and tension design considerations for the component section of the site and assemblies.
  • Bearing Life

    Bearing life is defined as the number of revolutions (or the number of operating hours) at a given speed that the bearing is capable of enduring before the first sign of metal fatigue failure. The items in this subsection are used to compile the power and tension design considerations for the component section of the site and assemblies.
  • Belt Sag

    Conveyor belt sag also referred to as catenary sag, is based on standard catenary theory. Sag is expressed as the percentage height drop based on the tension between two conveyor idlers. These percentages are expressed as limits to this height drop, and thereby define the minimum allowable tension, during the applicable running condition, at that point. The table below is a list of design sag limits from various design manuals.
  • Friction Factor (Goodyear)

    The overall friction in the conveyor belt system is a composition of the movement of the belt over the pulley or idlers, rolling resistance of idlers and pulleys, and belt drag due to misalignment. The frictional force is obtained by using empirical coefficients such as the Goodyear Method in the table below. The items in this subsection are used to compile the power and tension design considerations for the component section of the site and assemblies.
  • Gear Reducer Efficiency

    The overall friction in the conveyor belt system is a composition of the movement of the belt over the pulley or idlers, rolling resistance of idlers and pulleys, and belt drag due to misalignment. The frictional force is obtained by using empirical coefficients such as the Goodyear Method in the table below. The items in this subsection are used to compile the power and tension design considerations for the component section of the site and assemblies.
  • Induction Motor Efficiency

    Electric motor efficiency is a measure of the ability to convert electrical input power to mechanical output power, it is the ratio between shaft output power - and input power. The table below lists efficiencies with their respective rated power. The items in this subsection are used to compile the power and tension design considerations for the component section of the site and assemblies.
  • Motor FOS

    The motor Safety Factor is defined as the ratio between the rated load and the theoretical rated load of the motor. The table below lists common motor FOS ratings, as well as their referenced literature. The items in this subsection are used to compile the power and tension design considerations for the component section of the site and assemblies.
  • Power Factor - cos φ

    Total electrical power kVA has two components: real power kW and reactive power kilovolt-amps reactive. The power factor is the ratio between kilowatts (kW) and kilovolt-amps (kVA). The items in this subsection are used to compile the power and tension design considerations for the component section of the site and assemblies.
  • Transition Idler Types

    The configuration options available for a transition idler installation to be used on a bulk material handling belt conveyor system.The items in this subsection are used to compile the power and tension design considerations for the component section of the site and assemblies.
• Conveyor Idlers

  The subsections of this item cover a set of key design and selection criteria for idlers(rollers) on a bulk material handling belt conveyor system or project.

  • Bearing Housings

    The table below covers typical types of bearing houses used on idlers and pulleys on a bulk material handling project.
  • Idler Bearings

    Idler life is a function of many factors, such as belt speed, shell thickness, seals, and bearings. The idler load and rating of a bulk material handling belt conveyor system depend on the rating of the bearing. The table below covers standard-bearing dimensions used on typical conveyor idlers.
  • Idler Circlips

    A Circlip is a device made of a semi-flexible metal with a circular shape used to keep components fitted on the shaft or housing. The table below covers standard circlip dimensions used on typical conveyor idlers.
  • Idler Frame Design

    The idler frame serves the purpose of providing support and protection for the conveyor belt and the load being conveyed. The table below covers idler frame designs used on typical conveyor idlers.
  • Idler Roll Material

    The table below covers typical idler roll construction types used on typical conveyor idlers.
  • Idler Roll Sizes

    The table below covers idler roll dimensions used on typical conveyor idlers.
  • Idler Seals

    Seals are an essential part of the performance of the rollers and pulleys on the conveyor system. Seals ensure that the bearings are protected from water and dirt while minimizing the rolling resistance. The table below covers idler seal construction types used on typical conveyor idlers.

    • Draw - Idler Seals
  • Idler Shaft Series

    The table below provides typical idler shaft series (diameters) and their applicable standard.
  • Idler Type

    The table below covers idler frame and roll configuration types used on typical conveyor idlers.
  • Idlers Diameters

    The table below provides idler diameters with respective thicknesses from various national standards.
  • Number of Rolls

    The table below provides typical number of roll configurations used for conveyor idlers.
  • Wing Roll Angles

    The table below provides typical idler wing roll configuration angles.
• Deliverables

  The subsections of this item cover the list of contract deliverable sections for a bulk material handling project.

  • Dust Suppression and Wash Water

    The table below covers a typical deliverable list for a Dust Suppression and Wash Water system for a bulk material handling project.
  • Electrical Deliverables

    The table below covers a typical deliverable list for the electricals on a bulk material handling project.
  • Fire Detection and Suppression System

    The table below covers a typical deliverable list for the Fire Detection and Suppression System on a bulk material handling project.
  • General Deliverables

    The table below covers a typical deliverable list of general items on a bulk material handling project.
  • Mechanical Deliverables

    The table below covers a typical deliverable list of mechanical items on a bulk material handling project.
  • Project Methodology

    A typical project methodology to develop bulk materials handling project deliverables.
  • Quality Assurance Deliverables

    A typical list of quality Assurance and quality control deliverables on a bulk material handling project.
  • Structural and Civil Deliverables

    A typical list of Civil and structural engineering deliverables on a bulk material handling project
• Drawings

  The subsections of this item cover the list of engineering drawings notes on a bulk material handling project. These items are generally used as a typical detail to be included in the drawing pack to be provided to installation contractors.

  • General Notes - Electrical

    The table below covers the typical general electrical notes on a bulk material handling project.
  • General Notes - Flooring

    The table below covers the typical general flooring notes on a bulk material handling project.
  • General Notes - Limitations

    The table below covers the typical general limitations notes on a bulk material handling project.
  • General Notes - Machining

    The table below covers the typical general machining notes on a bulk material handling project.
  • General Notes - Platework

    The table below covers the typical general platework notes on a bulk material handling project.
  • General Notes - Steelwork

    The table below covers a typical general steelwork notes on a bulk material handling project.
  • General Notes - Surface Treatment

    The table below covers a typical general surface treatment notes on a bulk material handling project.
• Dust Suppression Systems

  The subsections of this item cover the list of design and selection criteria sets for a dust suppression system to be used on a bulk material handling project.

  • Dust Suppression System Categories

    A Wet spray dust suppression system uses fined atomized water particles to combat dust. The dust suppression systems are categorized by the amount of moisture content added to the product. A list of dust suppression system categories is provided below.
  • Nozzle Types

    Engineers design nozzles with different spray distribution patterns. Patterns can be solid stream, full cone, hollow cone, flat spray, spoon flat fan. The nozzle design aims at the uniformity and impact force of the jet sprayed whether nozzles are used individually or overlapping. Below figures show detailed information for a variety of capacities and spray distribution pattern.
• Estimating

  The subsections of this item cover a set of estimating inputs to be used on a bulk material handling belt conveyor system.

  • Cost Units

    The table below covers typical Costing units on a bulk material handling project.
  • Man Hour Costing

    The table below covers typical Categories of Man Hour Costing on a bulk material handling project.
  • Project Teams

    The table below covers typical Categories of Project Teams on a bulk material handling project.
• General Items

  The subsections of this item cover a set of general inputs to be used on a bulk material handling belt conveyor system or project.

  • Applications

    The table below covers typical categories of applications of the bulk material handling belt conveyor system.
  • Conveyor Categories

    The table below covers typical categories to be used in documentation of a bulk material handling belt conveyor system.
  • Conveyor components groups

    The table below covers typical components of a bulk material handling belt conveyor system.
  • Dog Housing

    When the bulk material conveyor belt is running in an open space, a dog house is used to cover and protect conveyor parts. Conveyor belt dog house is a half-cover usually a semi-circular in shape and is made of flat or corrugated sheets.
  • Electrical infrastructure

    The table below covers typical electrical infrastructure on the bulk material handling belt conveyor system.
  • Fiery Mines

    Fiery mine is defined as Mine in which there is the danger of explosion due to coal dust or flammable gas.
  • Hard Commodities

    The table below covers typical hard commodities transported by bulk material handling belt conveyor systems.
  • Material

    The table below covers typical materials transported by the bulk material handling belt conveyor system. This table is developed from various catalogue sources and should be used for early stage studies and comparison of material properties.
  • Reference Documents

    Reference documents of the bulk material handling belt conveyor system.
  • Suppliers

    The table below covers equipment suppliers of a belt conveyor system used by this site.
  • Units

    The table below covers the list of units used by this site.
  • Utility Frequencies

    The table below covers the list of utility frequencies used by this site.
• Glossary Terms

  The subsections of this item cover a set of generic glossary terms and acronyms for reporting or documentation on a bulk material handling belt conveyor system or project.

  • Abbreviations and Acronyms

    The table below covers typical abbreviations and acronyms on a bulk material handling project.
  • Glossary

    The table below covers typical glossary terms on a bulk material handling project.
• Materials Handling Equipment

  The subsections of this item cover key categories commonly used selection of equipment on bulk material handling belt conveyor system or project.

  • Categories

    The table below provides a typical list of materials handling Equipment categories
  • Equipment Types

    The table below provides a typical list of materials handling equipment types.
• Power and Tension

  The subsections of this item cover power and tension data tables from various design manuals on bulk material handling belt conveyor systems.

  • Design Capacity Scenarios

    Conveyors are designed to achieve a set of specific capacities, in tonnage per hour. The key design consideration categories are listed in the table below. Each capacity set limits in power and tension on the various items of equipment to be used on the materials handling system. This would cover the complete gambit of civil, structural, mechanical, and electrical loadings. The list below covers the key design considerations for a belt conveyor.
  • Drive Friction Factors

    Belt conveyors utilize a friction drive and accordingly, when power is applied to the drive system, one run of the belt will experience a higher tension than the other. The amount of slack side tension required to prevent slippage at the drive is a function of several constant factors amongst others is the coefficient of friction between the drive system. Below is a list of standard drive pulley friction factors from various design catalogues and standards.
  • Mass of rotating parts (Carry)

    Below is a list of standard idler rolls with their respective mass factor (Goodyear Method).
  • Mass of rotating parts (Return)

    Below is a list of standard idler rolls with their respective mass factor (Goodyear Method).
  • Starting Mechanisms

    The smooth starting of a conveyor belt system is accomplished using torque-control equipment, either mechanical or electrical or a combination of the two. Below is the list of equipment combinations used to ensure a smooth start-up.
• Power Packs

  The subsections of this item cover key design and selection criteria for power packs on bulk material handling belt conveyor systems. A powerpack includes the Induction motor, mechanical soft starter (if applicable), low and high-speed couplings as well as the gear reducer.

  • Fluid Couplings Data

    The subsections of this item cover design and specification of a fluid coupling on a belt conveyor.

    • Fluid Couplings

      Fluid Couplings are mechanical two-piece mechanisms consisting of an impeller and a runner, both within a housing filled with oil. The impeller is connected to the driving shaft; the runner is connected to the driven shaft. In conveyor drives, the fluid coupling usually is placed between the motor and speed reducer. A list of fluid couplings is provided below.
    • Fluid Coupling Sizes

      Fluid couplings in the conveyor belt system are selected based on the operating conditions, shaft size, rated torque, power, and speed. A list of standard fluid coupling sizes is provided below.
    • Input Coupling Efficiency

      A coupling is a device used to connect two shafts at their ends to transmit power. The primary purpose of couplings is to join two pieces of rotating equipment while permitting some degree of misalignment or end movement or both. The input coupling is a coupling between the motor and the gear reducer or pulley shaft. The table below lists various input coupling efficiencies.
  • Gear Reducers

    The subsections of this item cover design and specification of a gear reducer on a bulk material handling belt conveyor.

    • Extra cooling

      The table below lists configurations on gear reducers to provide additional cooling.
    • Reducer Ratios

      The table below lists common reducer ratios.
    • Gear Reducer Mounting

      Gear drives tend to be described by either the arrangement of their shafts or the way that they mount to the driven equipment. Shaft arrangement mounting is determined by space and structure limitations in the system. Different types of gear reducer mounting are listed below.
    • Low speed shaft type

      The table below lists various low speed shaft configurations for gear reducers.
    • Low speed shaft extension

      The table below lists various low speed shaft extension configurations for gear reducers.
    • Gear Units Variations

      The table below lists various gear unit configuration variations.
  • Induction Motor Data

    The subsections of this item cover design and specification of an induction motor on a bulk material handling belt conveyor.

    • Output power

      Electric motors convert electrical energy into mechanical energy. The mechanical output power of the motor is defined as the product of the rated speed and torque. Mechanical power is typically defined as kilowatts (kW) or horsepower (hp) with one watt equaling one joule per second or one Newton-Meter per second. Below is a list of common output powers in (KW).
    • Motor rotation

      The direction of rotation of the motor depends on the electric connection configuration, a three-phase induction motor can operate at any direction of rotation. The direction of rotation can be reversed by exchanging the position of two of the connecting leads. The three directions of rotation are listed below
    • Terminal Box Locations

      The motor terminal box is a box thin in which the leads from the motor are connected to the leads from the power supply. The location of the terminal box is determined by the IEC 60072 standard. The common mounting positions are provided below.
    • Motor Poles

      The speed at which an induction motor operates depends on the input power frequency and the number of electrical magnetic poles in the motor. The number of poles is inversely proportional to the speed of the motor. A list of the standard number of poles is provided below.
    • WEG Catalogue

      WEG Catalogue
    • IEC Frame Types

      The motor frame is the supporting structure of the assembly; the stator core and the field winding. It acts as a covering, and it provides protection and mechanical strength to all the inner parts of the motor and cooling through fins. The IEC motor frame types are provided below.
    • IEC Efficiency classes

      The International Electrotechnical Commission (IEC) introduced the standards to harmonize efficiency classifications for motors manufactured and sold in the global market. The IEC established methods of determining efficiencies from tests, and also to specify methods of obtaining specific losses. The following IEC efficiency classes are now defined for induction motors (IE = International Efficiency).
    • Cooling System Classifications

      Electric motors generate heat because of electrical and mechanical losses. Cooling is necessary to continuously transfer the heat to a cooling medium, such as the air. In AC induction motors, the cooling air is usually circulated internally and externally by one or more fans mounted on the rotor shaft. The cooling method classification used by the IEC is the index of cooling (IC), the classes are provided below.
    • Motor Enclosure Types

      The motor terminal box is a box in which the leads from the motor are connected to the leads from the power supply. The location of the terminal box is determined by the IEC 60072 standard. The common mounting positions are provided below.
    • Supply Voltage

      A list of common conveyor AC motor application supply voltages is provided below.
  • Mechanical Couplings

    The subsections of this item cover design and specification of a mechanical coupling on a bulk material handling belt conveyor.

    • Flange-Couplings

      A flange coupling is a mechanical device used to connect two rotating shafts, it consists of flanges one of which is fixed at the end of each shaft. the two Flanges being bolted together with a ring of bolts to complete the coupling connection. Rigid flange couplings are primarily used on conveyor belt drives holding the gearbox shaft to the drive pulley shaft. A list of standard sizes of flange couplings is provided below.
    • Flange Coupling Shaft Diameters

      Flange Coupling Shaft Diameters
• Projects

  The subsections of this item cover data used to compile key project documentation for a bulk material handling belt conveyor system or project.

  • Feasibility Level

    The subsections of this item key documentation requirements for a feasibility level bulk material handling project.

    • Appendices

      The list below describes suggested study appendices documentation for bulk materials handling applications.
    • Index

      The table below provides a suggested documentation index for the delivery of a feasibility level study on a bulk material handling project.
    • Functional Specification

      A Functional Design Specification (FDS) is a document used by companies in a pre-development phase to translate all notes, concepts, and scope into a complete requirements document. At a minimum, an FDS will contain an organized list of requirements that can be used for development, testing, and client sign-off. The list below describes suggested minimum FDS check points.
  • WBS Breakdown

    The subsections of this item cover work breakdown structure items on a bulk material handling project.

    • WBS Structure

      The table below shows the suggested high level structure for the design of a work break down structure on a bulk material handling project.
• Pulley Data

  The subsections of this item cover data used to design and select High Tension Drive, High Tension Snub and Low-Tension Snub Pulleys on a bulk material handling project.

  • Bearing Centers

    The bearing center is the center point of the outer ring raceway. In conveyor systems, the bearing center is a function of conveyor belt width, pulley shell, and the pulley support structure. A list of standard-bearing centers used in bulk material handling is provided below.
  • Bearing Centers Type

    The bearing center is the center point of the outer ring raceway. In conveyor systems, the bearing center is a function of conveyor belt width, pulley shell, and the pulley support structure. The bearing centers are classified as follows:
  • Hubs and Bushing

    The pulley hub is a point of connection between the shaft and the end disk or pulley wall. Types of pulley hubs used in bulk material handling are provided below.
  • Journal Shaft Diameters

    The journal of the shaft is the outermost part of the shaft that is in contact with the bearing. A list of standard journal shaft diameters used in bulk materials handling is provided below.
  • Lagging Materials

    Conveyor pulleys are often covered with a variety of materials including rubber, fabric, urethane, ceramic, or other material. Lagging is used on driving pulleys to increase the coefficient of friction between the belt and pulley. Lagging is also used to reduce abrasive wear on the pulley face. A list of lagging materials used in bulk materials handling is provided below.
  • Lagging Patterns

    There are groove configurations and sizes of lagging which can be furnished on the pulley to enhance belt tracking or reduce the accumulation of material on the pulley face. A list of different lagging patterns used in bulk materials handling is provided below.
  • Pulley Diameters

    The pulley diameter plays an important role in conveyor system design. Standardization and simplification of pulley design can reduce capex and opex on a bulk material handling project. Standard pulley diameters used in bulk materials handling are provided below.
  • Pulley Types

    Conveyor pulleys are designed for use on belt conveyor systems as a means to drive, redirect, provide tension to, or help track the conveyor belt. Types of pulleys used in bulk material handling are provided below.
  • Shaft Diameters

    The shaft diameter used in a conveyor system on a pulley assembly is a function of two criteria, shaft diameter required for strength and shaft diameter required for deflection. The shaft and pulley are treated as a composite structural assembly. This is because the structural rigidity of the assembly depends upon both the shaft and the pulley and their interaction. A list of standard shaft diameters is provided below.
  • Standard Pulley Dimensions

    Standard Pulley Dimensions
  • Standard Shaft Dimensions

    A list of standard shaft dimensions used in bulk materials handling is provided below.
  • Type of End disk

    Rolls and pulleys are fabricated from steel tubes or a continuous rim that is fitted with two end discs. The end disc provides a bearing housing to the pulleys and rolls. The end disc plays an integral role in the overall strength of the pulleys. The classifications for end discs used in bulk material handling is provided below.
  • Type of Locking Element

    A locking element is a device that uses frictional resistance to transmit torque between the pulley and the shaft. Types of locking elements used in bulk material handling are provided below.
• Quality Management

  The subsections of this item cover quality management datasets used for the development of quality management documentation for bulk material handling belt conveyor systems or projects.

  • Lessons Learned

    The table below covers a list of key project learnings that should be reviewed prior to any bulk materials handling project starting.
  • Quality Management Documentation

    The table below covers a list of quality management templates of a bulk material handling project.
  • Report and Drawing Templates

    The table below covers a list of reports and drawing templates applicable to a bulk materials handling project.
  • Spreadsheets

    Spreadsheets
• Specifications

  The subsections of this item cover specifications that should be used for a bulk material handling belt conveyor system or project.

  • Check list

    The table below describes a check list for an existing belt conveyor system.
  • Document Register

    Document register items of the bulk material handling belt conveyor system.
  • Governing Codes & Regulations

    Governing Codes, Standards, Acts, and Regulations of the bulk material handling belt conveyor system.
  • Standards and Specifications

    The table below describes applicable standards and specifications for belt conveyor system or bulk materials handling project.
• Take-up's

  The subsections of this item cover design considerations of a take-up system for a bulk material handling belt conveyor system or project.

  • Take-up Movement

    The purpose of take-up devices in belt conveyors is to establish and maintain a predetermined level of tension in the belt. The table below shows extractions from various take up design guides on the key design criteria selection for the design of a take up system.
  • Take-up Type

    • The purpose of take-up devices in belt conveyors is to establish and maintain a predetermined level of tension in the belt. The table below shows extractions from various take up design guides on the key design criteria selection for the design of a take up system.
• Transfer Chutes

  The subsections of this item cover design considerations for a transfer point on a bulk material handling belt conveyor system or project.

  • Chute Design Categories

    A list of different chute design Categories.
  • Chute Hatch Design Types

    A list of different chute hatch designs types.
  • Chute Types

    A list of chute types used in bulk materials handling applications.
  • Wear Liners

    The chute wear liners protect the chute structure from excessive wear caused by the abrasion, erosion, and temperature imposed by the product. A list of chute wear liners is provided below.

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