Agitator

AA SPECIFICATION AGITA TORS

SPEC_329001 ISSUE 0 COPYRIGHT

1

SCOPE

2

2

TECHNICAL REQUIREMENTS TO BE SPECIFIED BY THE PURCHASER

2

3

DEFINITIONS

2

4

REQUIREMENTS

3

5

TEST AND INSPECTION

8

6

QA REQUIREMENTS

9

7

PACKING AND MARKING

12

APPENDIX A : RECORD OF AMENDMENTS

13

APPENDIX B : REL ATED DOCUMENTS

14

ANNEXURE NO. A 1 : DRAWINGS A ND DATA

15

ANNEXURE NO. A 2 : PACK AGING A ND MARK ING

16

ATTA CHMENT 1 : SITE INSPECTION REGISTER

17

ATTA CHMENT 2 - EQUIPMENT MATERIAL LIST

18

ATTA CHMENT 3 - SITE AMBIENT AMB IENT CONDITIONS

19

ATTA CHMENT 4 - ELECTRICAL ELECTRICA L MOTOR DATA DA TA SHEET

20

ATTA CHMENT 5 - EQUIPMENT DATA BOOK

21

ATTA CHMENT 6 - VENDOR LUBRICATION LUB RICATION SCHEDULE

22

ATTA CHMENT 7 : DA TA SHEET A GITATOR

23

DATA SHEET SHEET – AGITATOR

25

AA_SPEC_32900100.DOC

Approved

15 January 2007

Page 1 of 28

For information or comments on this document please contact ATD contact ATD QA Anglo Technical Division accepts no liability for any damage whatsoever that may result from the use of this material or the information contained therein, irrespective of the cause and quantum thereof.

AA SPECIFICATION

SPEC_329001 ISSUE 0

AGITA TORS

COPYRIGHT 1

SCOPE

1.1

This specification is for the t he supply of agitators in the minerals processing industry.

1.2

All equipment and services shall comply with the mandatory requirements of the Mines Health and Safety Act 29 of 1996 and regulations (as amended).

1.3

The Vendor must ensure that the requirements of Section 21 of the Mines Health and Safety Act 29 of 1996 (as amended) are complied with. The vendor is required to reply in writing confirming his compliance with this section.

1.4

For general procedures and definitions see Annexure A1 of this specification.

2

TECHNICAL REQUIREMENTS TO BE SPECIFIED BY THE PURCHASER See attached Data Sheets

3

DEFINITIONS

3.1

CODES OF PRECEDENCE

3.1.1

All equipment and services shall comply with the mandatory requirements of:

3.1.1.1 Mine Health Health and Safety Act 29 of 1996 1996 and regulations regulations (as (as amended). 3.1.1.2 Minerals Act 50 of of 1991 and Regulations Regulations (as (as amended). amended). 3.1.1.3 Occupational Health and and Safety Act 85 of 1993 (as amended). amended). 3.1.1.4 Road Traffic Traffic Act, Act No. 29 of 1989 (as amended). amended). 3.1.2

Any proposed deviation from this Specification and its requirements, which are modified for application to specific items proposed by the Vendor/Contractor, shall be submitted to AAC for written approval. approval.

3.1.3

If any doubt arises as to the meaning meaning or effect effect of any part of this Specification Specification or if conflict occurs between this Specification and other information it shall be referred to the Engineer for a ruling.

3.1.4

In the event of of any conflict between the various various relevant relevant documents, the order order of precedence shall be:

3.1.4.1 Technical: 3.1.4.1.1 This specification. 3.1.4.1.2 The data data sheets sheets and/or and/or drawings. drawings. 3.1.4.1.3 Other relevant documents.


Approved

15 January 2007

Page 2 of 28

For information or comments on this document please contact ATD contact ATD QA Anglo Technical Division accepts no liability for any damage whatsoever that may result from the use of this material or the information contained therein, irrespective of the cause and quantum thereof.

AA SPECIFICATION AGITATORS


3.1.4.2 Commercial: 3.1.4.2.1 The purchase order, including terms, conditions and legal requirements. 3.2

DEFINITIONS

3.2.1.1 The supplier shall be known as the “Vendor or Contractor”. 3.2.1.2 The purchaser shall be known as “AAC”. 3.2.1.3 The “Anglo American Representative” shall be the Engineer or his appointed representative. 3.2.1.4 “The Specification” shall mean this specification and all the relevant Standards and Codes forming part of this Specification. 3.2.1.5 “The Engineer” shall be the Engineering Manager or his appointed representative. 3.2.1.6 “AAC” is Anglo American Corporation Limited. 3.2.1.7 “The Site Engineer” shall be the appointed Engineer on site.

4

REQUIREMENTS

4.1

SCOPE OF WORK

4.1.1

The scope of work includes the furnishing of all labour, material and services for the design, supply, manufacture, testing and inspection at works, delivery to site and rectification of defects developing during the warranty period for the agitator as specified.

4.2

ITEMS L IST

4.2.1

The work includes, but shall not be limited to the items listed below:

4.2.2

Supply of motors, gearboxes, base plates, couplings and guards.

4.2.3

Supply of agitator shafts and impellers as specified in the appended data sheets.

4.2.4

Agitator support base / mounting flange with gasket.

4.2.5

Shaft seal (if required).

4.2.6

Seal flushing system (if required).

4.2.7

Impeller stabilizing ring (if required).

4.2.8

Vessel internal steady bearing (if required).

4.2.9

Thrust bearing (if required).

4.2.10

Initial fill of lubricants.

4.2.11

All lining of shafts and impellers.


Approved

15 January 2007

Page 3 of 28

For information or comments on this document please contact ATD QA Anglo Technical Division accepts no liability for any damage whatsoever that may result from the use of this material or the information contained therein, irrespective of the cause and quantum thereof.



4.2.12

Protective coating and painting of the complete unit.

4.2.13

Special tools that may be required for installation and maintenance.

4.2.14

All design calculations.

4.2.15

Load calculations and mounting details for the agitator support structure. This information is passed onto the structural designers.

4.2.16

General arrangement (GA) drawings and completed data sheets.

4.2.17

Spares list: •

Start-up and commissioning spares

•

Normal operating spares

4.2.18

Lubrication schedules as per Attachment 9.

4.2.19

All testing and QA requirements as per AAC specification AA_STD_100.

4.2.20

Three sets of installation, operating and maintenance manuals containing all necessary information for proper installation, operation, maintenance and repair of the equipment. (Equipment data books). A storage instruction will be supplied if required.

4.2.21

Procurement of all materials.

4.2.22

Packaging, crating and palletising suitable for shipping and transporting.

4.2.23

Delivery to site.

4.3

EXCLUSIONS

4.3.1

The work excludes:

4.3.1.1 Site installation. 4.3.1.2 Civil work. 4.3.1.3 Electrical installation. 4.3.1.4 Design of the agitator support structure. 4.4

DUTY DESCRIPTION

4.4.1

The duty requirements of the agitators will be specified by the Engineer. All necessary information will be recorded on the attached data sheets.

4.4.2

In general the equipment will operate continuously at full load. An operating availability exceeding 95% is required.

4.4.3

Specific requirements will also be stated on the attached data sheets to ensure that the Vendor is correctly informed of all aspects of the required operation of the agitators. This information is intended to prevent equipment failures due to an incomplete design.


Approved

15 January 2007

Page 4 of 28




4.5

DESIGN CRITERIA A ND M ATERIA L OF CONSTRUCTION

4.5.1

Material of Const ruc tio n

4.5.1.1 The Vendor shall certify all materials as suitable for the duty. 4.5.1.2 The use of exotic alloys and coatings shall be avoided if possible and motivated on a life cycle costing basis if required. The use of these alloys must be clearly indicated in the proposal and approval for use must be obtained in writing. 4.5.1.3 AAC, at its discretion and by agreement with the Vendor, may elect to upgrade certain materials of construction for reasons of standardization. 4.5.2

Equipm ent Selecti on

4.5.2.1 The vendor shall, as far as possible, use standardised equipment. 4.5.3

Desig n cri teria

4.5.3.1 The agitators shall be designed and manufactured on a modular basis and shall utilise readily available standard sub-components where possible to facilitate the procurement of spares and replacement parts for maintenance purposes and to facilitate interchangeability. 4.5.3.2 All agitators shall be assembled at the Vendor’s premises prior to shipment, to ensure that all sections fit correctly, to the satisfaction of t he AAC Engineer or his representative. 4.5.3.3 The agitators shall be designed as to:•

facilitate easy inspection, cleaning and maintenance.

•

ensure satisfactory operation under all possible conditions at the point of use.

•

operate without causing undue noise generation and vibration in the immediate surrounding area.

4.5.3.4 Safety guards shall be provided where necessary, in accordance with the Minerals Act and Regulations. 4.5.3.5 Agitators, mounting devices, drive trains and seals shall all be designed for the design pressure specified in the data sheet. 4.5.3.6 Unless otherwise specified, all components of agitator assemblies shall be mechanically suitable for continuous operation at full load. 4.5.3.7 The agitators must be capable of starting and running up to full speed in tanks, which are full of liquid. 4.5.3.8 All agitator shaft and impeller assemblies shall be mechanically suitable for all modes of operation as specified in the data sheets. This could include operation with the impellers: •

In air

•

In water


Approved

15 January 2007

Page 5 of 28




•

In the process liquid specified

•

All agitators shall be able to run through a falling or rising liquid/air interface. (Batch process requirements).

4.5.3.9 It is mandatory that the Vendor supplies all the information required for the drive motor. 4.5.3.10 The drive motor shall be capable of delivering 150% of the maximum absorbed torque required during starting at 90% of the supply voltage. 4.5.3.11 The drive is normally selected to operate at 80% of rated motor power under normal operating conditions. 4.5.3.12 The operating speed of the agitator shall not exceed 80% of the 1st critical speed. Operation at a speed of 45% to 55% of the 1st critical speed shall be avoided unless vendor design criteria prove that this is not necessary. 4.5.3.13 Subject to AAC’s prior approval, small agitators operating at speeds above the 1st critical speed may be quoted. In such cases the operating speed shall be between 125% of the 1st critical speed and 80% of the 2nd critical speed. 4.5.3.14 Torsional natural frequencies shall not be within 20% of any existing frequencies e.g. rotational speed, gear tooth meshing frequency, blade passing frequency, vortex shedding frequency. 4.5.3.15 If required, the equipment vendor shall submit his calculations for critical speed and torsional natural frequencies to AAC. 4.5.3.16 The equipment vendor shall advise AAC regarding the number, size and disposition of tank baffles to achieve optimum mixing. 4.5.3.17 The maximum allowable run out is specified to be 1mm per metre of shaft length. 4.5.3.18 Impeller assemblies shall be designed to operate without run out and without a steady bearing. The use of steady bearings shall be approached with caution and approval of AAC must be sought. 4.5.3.19 Impeller assemblies shall be statically and dynamically balanced. 4.5.3.20 The Vendor shall state in his quotation the maximum run out expected at the impeller, with the shaft in a free-hanging position. 4.5.3.21 The Vendor shall state in his quotation the maximum shaft deflection expected at the seal. 4.5.3.22 Agitator components that are rubber lined are to comply with AAC specification AAC_SPEC_412004. 4.5.3.23 Agitator couplings within the vessels shall normally not be permitted. 4.5.3.24 The high speed coupling between the driver and gear unit shall be supplied and installed by the Vendor. This shall preferably be a flexible coupling, and keyed to both shafts to BS4235 or equivalent.


Approved

15 January 2007

Page 6 of 28




4.5.3.25 Couplings shall be selected to satisfy the coupling manufacturers requirements for power, speed, torque, bending and service factor. The minimum service factor shall be 1.5 based on the rated motor power. 4.5.3.26 The gearbox proposed shall have a successful history of operation in agitator service. The Vendor shall submit a reference list. 4.5.3.27 The gearbox shall be selected for a minimum service factor of 1.25 based on the rated motor power or, 1.5 based on the absorbed power whichever is the greater, based on AGMA or other approved equivalent standard. 4.5.3.28 Gear reducers with spiral bevel, helical or herringbone gears are preferred. 4.5.3.29 Gear units shall preferably be oil lubricated except that low speed bearings on the output shaft may be grease lubricated. 4.5.3.30 No gearbox oil leaks will be accepted, as oil is detrimental to the metallurgical process. 4.5.3.31 Provision shall be made to limit the gearbox operating temperature to 80°C taking heat transmission via the shaft in hot applications into consideration. 4.5.3.32 Ball and roller bearings shall achieve a minimum L 10h life of 60 000 hours. The Vendor shall state in his quotation L 10h life of bearing proposed. 4.5.3.33 Any special tools required to maintain the agitator assembly shall be provided by the Vendor and quoted separately. 4.6

M ANUFA CTURING AND CONSTRUCTION DETAILS

4.6.1

The agitators will be manufactured and constructed in accordance with the Vendor’s QA plan/standards or an approved international standard.

4.6.2

The Vendor shall submit welding and heat treatment procedures to AAC before any fabrication work is carried out.

4.6.3

All electric motors shall be designed/selected in accordance with AAC specification AAC_SPEC_538013.

4.7

DRAWINGS AND D ATA

4.7.1

Drawing and documentation shall be to AAC standard, see Annexure A3 for more detail.

4.7.2

General arrangement drawing will show elevations and plans as required to indicate the general outlines and important dimensions and clearances of the equipment.

4.7.3

The Vendor shall be required to present his drawings timeously for review and approval by AAC, in order to check conformity to the specification and the AAC drawing office procedure. Approval shall not be construed to relieve or mitigate the vendor’s responsibility for accuracy and suitability of materials and/or equipment represented therein. All drawings shall be in the electronic format (Microstation v8 or pdf).


Approved

15 January 2007

Page 7 of 28




4.7.4

Approved drawings shall be complete with equipment and order numbers, stamped ‘CERTIFIED FOR CONSTRUCTION’ and signed by an AAC Engineer. All information necessary for installation and maintenance is to be shown.

4.7.5

Approved drawings constitute a part of the technical specification, and therefore the contract will not be regarded as complete unless AAC requirements are fully met.

4.7.6

Data to be supplied:

4.7.6.1 Three sets of operating and maintenance instruction manuals detailing all maintenance instructions, lubrication, test certificates, hazard warnings, equipment drawing, complete part list and recommended spares shall be submitted before scheduled mechanical completion. 4.7.6.2 The provision of a list of all equipment spares and plant items together with the name and address of the fabricator or supplier. 4.7.7

An itemised price list of spare parts and supplies including quantities is required for each of the following:

4.7.7.1 Spares and supplies which could be required due to high initial wear or failure during the commissioning phase. 4.7.7.2 Operating spares required for normal wear and tear during plant operation for a period of two years after commissioning. 4.7.7.3 Capital spares recommended to maintain plant operability in the event of catastrophic failure, or to replace equipment taken out of service for major maintenance. 4.8

PERFORMANCE AND GUARANTEE

4.8.1

The performance of the items supplied in terms of this specification, as defined by the order, shall be warranted by the Vendor/Contractor and, if specified, should be tested in accordance therewith.

4.8.2

The vendor/contractor shall not be normally required to conduct a performance test on site unless otherwise agreed.

4.8.3

A minimum guarantee period of 12 months is required.

4.9

P AINTING A ND PROTECTIVE COATING

4.9.1

Painting and protective coating shall be in accordance with AAC specification AA_SPEC_164000 and AA_SPEC_164050.

4.9.2

Rubber lining to be done in accordance with AAC specification AA_SPEC_412004.

5

TEST AND INSPECTION

5.1

For QA and inspection details see Annexure A2 of t his specification.


Approved

15 January 2007

Page 8 of 28




5.2

Before delivery to site where practical, equipment shall be trial assembled and the completed agitator assembly subjected to a visual and dimensional inspection.

5.3

Commissioning tests are required as follows:

5.3.1

One unit of each motor power size shall be given a mechanical run under the following conditions:

5.3.2

•

Run dry in air

•

Run dry in air while increasing the liquid level so that the impeller passes through the surface.

•

Run immersed in liquid while decreasing the liquid level so that the impeller passes through the surface. The test liquid will be clean water unless otherwise specified.

During the above tests, the following will be recorded: •

Motor current

•

Vibration level on the gearbox and shaft

•

Noise level

•

Gearbox temperature

5.3.3

If the Vendor cannot carry out the tests above then the agitator drive assembly shall be subjected to a light running test, subject to the approval of AAC.

5.3.4

The remaining agitators shall be given a dry air test run only.

5.3.5

Spark testing and thickness testing of wetted parts coatings shall be required as part of the inspection schedule.

5.3.6

In addition test specimens of coated shafts are required to be tested for the peel strength of the applied coating. At least one test specimen of each shaft diameter to be coated, shall be produced by the Vendor during each batch of coating. All these tests shall be witnessed by an AAC representative as required.

5.3.7

The spark, thickness and peel strength test procedures as well as the acceptance criteria shall be agreed between the vendor and AAC at the post tender clarification meeting. The Vendor shall clearly state in his tender the procedure offered.

6

QA REQUIREMENTS

6.1

QUALITY A SSURANCE

6.1.1

QA requirements shall be in accordance with the requirements of the AAC specification AA_STD_100. The quality classification and QA documentation shall be as specified on page 2 of this section.

6.1.2

Imported parts shall be fabricated to an approved international quality specification.


Approved

15 January 2007

Page 9 of 28




6.2

INSPECTION AND TESTING

6.2.1

The AAC Representative shall have access, at all reasonable times, to those parts of the manufacturing facilities engaged in the manufacture of items in terms of this specification. He is authorised to witness any stage of manufacture, tests and inspect documentation.

6.2.2

The AAC Representative is authorised to reject any items not manufactured to the requirements of the specification.

6.2.3

All equipment shall be inspected at the vendor’s works prior to delivery, to ensure compliance with the specification.

6.2.4

No unit shall be considered complete until accepted by AAC.

6.2.5

It shall be the responsibility of the manufacturer to establish examination procedures in accordance with the requirements of the quality assurance procedure and have all examinations performed by qualified personnel.

6.2.6

The minimum testing shall be as specified in the Vendor QA and document requirement list forming part of this section.


Approved

15 January 2007

Page 10 of 28


AA SPECIFICATION

SPEC_329001 ISSUE 0

AGITATORS

COPYRIGHT VENDOR Q.A. AND DOCUMENT REQUIREMENT LIST DESCRIPTION ED ORDER No QA CLASSIFICATION

MINOR

C

MAJOR

B

CRITICAL

A

TABLE OF CONTENTS SECTION DRAWINGS & DESIGN

QUALITY CONTROL DOCUMENTS

MATERIAL CERTIFICATES CERTIFICATES OF INSPECTION TESTING AND ACCEPTANCE

MANUALS

DESCRIPTION

REQUIRED (YES OR NO)

DESIGN CALCULATIONS PFD P & ID GA DRAWINGS DETAIL DRAWINGS FOUNDATION DETAILS AS BUILD DRAWINGS BROCHURES SKETCHES SCHEMATIC DIAGRAMS (ELECTRICAL) MOTOR DETAIL (ELECTRICAL) RISK ASSESSMENT BY VENDOR DATA SHEETS (ELECTRICAL) DATA SHEETS (MECHANICAL) DESIGN CRITERIA QUALITY CONTROL PLAN MANUFACTURING PROGRAM WELD PROCEDURES WELD PROCEDURE QUALIFICATIONS WELDERS QUALIFICATIONS NDT PROCEDURES NDT OPERATOR QUALIFICATIONS RADIOGRAPHY REPORTS ULTRASONIC TEST REPORTS CRACK DETECTION REPORTS DYE PENETRANT REPORTS REPAIR PROCEDURE (WHEN REQUIRED ) SPARK TEST REPORT MATERIAL TEST CERTIFICATES HEAT TREATMENT CHARTS PRESSURE TEST CERTIFICATE PERFORMANCE TEST CERTIFICATE BALANCE TEST REPORT (RPM. ) COPY OF NAME PLATE ELECTRICAL HAZARD CERTIFICATE ELECTRICAL TEST CERTIFICATE INSTRUMENT CALIBRATION CERTIFICATES. OVERSPEED TEST REPORT (RPM ) VENDOR’S CERTIFICATE OF CONFORMANCE NONCONFORMITY / CONCESSION REPORTS OPERATING / MAINTENANCE MANUAL DATA BOOK LUBRICATION SCHEDULES DRAWINGS STRIP DOWN REPORT


Approved

15 January 2007

WHEN REQUIRED

2 WEEKS 2 WEEKS DATA BOOK DATA BOOK

DATA BOOK DATA BOOK DATA BOOK DATA BOOK

DATA BOOK DATA BOOK DATA BOOK DATA BOOK DATA BOOK DATA BOOK

Page 11 of 28




SOFTWARE LICENSE

7

PACKING AND MARKING

7.1

See Annexure A4 for minimum packing and marking requirements.


Approved

15 January 2007

Page 12 of 28




APPENDIX A : RECORD OF AMENDMENTS Issue 0

:

New Document


Approved

15 January 2007

Page 13 of 28




APPENDIX B : RELATED DOCUMENTS All design, engineering and equipment supplied are to meet or exceed the applicable South African standards. Where no standards are applicable, generally accepted procedures for design, fabrication and supply are to be observed. The Vendor agrees to comply with all applicable laws, rules, regulations, standards and ordinances in the completion of the work. The following specifications, standards and regulations, as amended, form part of this specification and will be the basis of any contractual agreement between AAC and the Vendor. In the event of conflict between this specification and the general specification, this specification shall govern unless otherwise determined by The Engineer. AA_SPEC_114001 AA_SPEC_114002

Design of Steel Structures Construction of Structural Steelwork

AA_SPEC_565005 AA_SPEC_673013 AA_SPEC_673007 AA_SPEC_164000 AA_SPEC_164050 AA_SPEC_412004 AA_SPEC_999000

Electrical Installation Instrument Installation General Requirements for Instrumentation Users Guide for Corrosion Protection: System Selection Corrosion Protection of Steelwork with Coatings Process Plant Rubber Lining Non-destructive Testing

AA_SPEC_999022 AA_SPEC_999023 AA_SPEC_999024 AA_SPEC_999025

Mechanical Standards Acceptable Machine Noise Limits and Measurement Labelling of Mechanical and Electrical Equipment Vendor Drawings and Documentation Requirements

SABS 948 IEC 34 IEC 72

Three-phase Induction Motors Rotating Electrical machines Dimensions and Output Rating for Electrical Machines

If any of the applicable AAC specifications, as amended, are not in the Vendor’s possession, please obtain them from AAC. Unless specifically otherwise stated in tender documents to the contrary, it shall be taken that tenderers fully understand and accept all requirements and implications of this specification and that it is agreed that this specification will form part of any contractual agreement between AAC and the Vendor.


Approved

15 January 2007

Page 14 of 28




ANNEXURE NO. A1 : DRAWINGS AND DATA 1.

Drawings and Data

1.1

Documents as required by the Act (section 1.2) and the applicable standards and specifications (section 11) are mandatory.

1.2

The vendor/contractor will supply 3 copies of the equipment data book including all the items as specified in the Vendor QA and document requirement list part of annexure A2 of this specification.

1.3

All drawings and documentation shall be in accordance with AA_SPEC_999025 “Vendor drawings and documentation requirement” as amended.

1.4

Data books will be supplied to AAC within 7 days from delivery of equipment, AAC will review the data books within 14 days from issue and notify the Vendor/Contractor of its acceptance or rejection of same.


Approved

15 January 2007

Page 15 of 28




ANNEXURE NO. A2 : PACKAGING AND MARKING 1.

Packaging and Marking

1.1

Packaging

1.1.1

Packing should be such as to ensure adequate protection in transit.

1.1.2

Any damage as a result of inadequate packaging and marking shall be for the vendor/contractor’s account.

1.1.3

When items are packed the container or package shall be marked with the standard pictorial markings, twin arrow (for this way up), wineglass (for fragile items), chain marking (lifting points) and centre of gravity (for heavy items).

1.1.4

Applicable codes for packing shall be, ISO 1496 “Freight containers” and IATA “Dangerous goods regulation”.

1.1.5

Each consignment shall include a complete bill of material / packing list identifying each loose item component or part and shall reference the relevant order number and equipment number.

1.1.6

Packing and protection shall be adequate to protect the equipment and prevent deterioration of equipment for the period of two months after delivery to site on the basis that the package will have no protection from the site climate during that period.

1.2

Marking

1.2.1

Marking of equipment with equipment numbers shall be in accordance with AA_SPEC_999024 “Labelling of mechanical and electrical equipment” or site specific requirements as specified in this specification.

1.2.2

Each item shall be clearly marked and where applicable, match marked to facilitate site assembly.


Approved

15 January 2007

Page 16 of 28


AA SPECIFICATION

SPEC_329001 ISSUE 0

AGITATORS

COPYRIGHT

ATTA CHMENT 1 : SITE INSPECTION REGISTER This is to clarify that I/We, the undersigned, have examined the Site of the Works and have made myself/ourselves familiar with all the local conditions likely to influence the work and the equipment and the cost thereof. I/We further certify that I/We are satisfied with the description of the Works and understand the work to be done as specified and implied, in the execution of the Contract.

SIGNED AT

ON THIS

DAY OF

NAME AND ADDRESS OF TENDERER:

SIGNATURE

CAPACITY OF SIGNATORY WITNESSES:

1.

DATE

2.

DATE


Approved

15 January 2007

Page 17 of 28


AA SPECIFICATION

SPEC_329001 ISSUE 0

AGITATORS

COPYRIGHT

ATTA CHMENT 2 - EQUIPMENT MATERIAL LIST

No.

Item


Quantity Description

Approved

15 January 2007

Page 18 of 28


AA SPECIFICATION

SPEC_329001 ISSUE 0

AGITATORS

COPYRIGHT

ATTA CHMENT 3 - SITE AMBIENT CONDITIONS The general environmental conditions can be regarded as typical site conditions. The principal conditions are summarised as follows: Site location

Approx. -----------------------

Site elevation

Nom. -------m above H.S.L.

Highest maximum summer temperature

------- °C

Lowest minimum winter

(------ °C) High

Low

Av. Summer temp – Jan

------- °C

------- °C

Humidity

-----%

-----%

Av. Winter temp – June

------- °C

------- °C

Humidity

-----%

-----%

AA SPECIFICATION

SPEC_329001 ISSUE 0

AGITATORS

COPYRIGHT

ATTA CHMENT 3 - SITE AMBIENT CONDITIONS The general environmental conditions can be regarded as typical site conditions. The principal conditions are summarised as follows: Site location

Approx. -----------------------

Site elevation

Nom. -------m above H.S.L.

Highest maximum summer temperature

------- °C

Lowest minimum winter

(------ °C) High

Low

Av. Summer temp – Jan

------- °C

------- °C

Humidity

-----%

-----%

Av. Winter temp – June

------- °C

------- °C

Humidity

-----%

-----%

Av annual rainfall per annum

-----mm per annum

Av number of thunderstorm per days per annum

----- days per annum

Av number of hail per annum

----- days per annum

Maximum rainfall recorded in one day

----- mm

Maximum windspeed*

- gusts

----- m/sec

- hourly

-----m/sec

*From nearest recording station, ----------------Note: It is the Vendor’s responsibility to ascertain such additional information, data, etc., as he may require for whatever purpose.


Approved

15 January 2007

Page 19 of 28




ATTA CHMENT 4 - ELECTRICAL MOTOR DATA SHEET (Separate form to be completed for each motor) EQUIPMENT NAME

REV NO. DATE MECHANICAL DATA

ELECTRICAL DATA VOLTAGE F.L.C. POWER EFFICIENCY AT F.L. EFFICIENCY AT F.L. INSULATION CLASS PROTECTION CLASS TO IEC 144 TYPE METHOD OF STARTING STATOR CONNECTION METHODS OF COOING TERMINAL BOX SIZE STARTING TIME (IF IN EXCESS OF 3s) ROTOR INERTIA

Volts Amps

SPACE HEATERS REQUIRED R.T.S’s REQUIRED FRAME MATERIAL

MOTOR DUTY PLANT ITEM NO. PLANT LOCATION ABSORBED POWER MOTOR POWER MOTOR SPEED FULL LOAD TORQUE FRAME SIZE MOUNTING TO IED 34/7 CONNECTION TO LOAD a) DIRECT b) V-BELT c) OTHER LOAD INERTIA (WHERE APPLICABLE e.g.) FAN BLOWERS, ETC) HAZARDOUS AREA CLASS EXTERNAL PAINT COLOUR PAINT TYPE MOTOR MASS SLIDE RAILS REQUIRED

kW kW Rpm Nm

Kgm2

Kg

REMARKS

CERTIFIED CORRECT BY:

CERTIFIED CORRECT BY

DATE:

DATE:


Approved

15 January 2007

Page 20 of 28


AA SPECIFICATION

SPEC_329001 ISSUE 0

AGITATORS

COPYRIGHT

ATTA CHMENT 5 - EQUIPMENT DATA B OOK INDEX EQUIPMENT DESCRIPTION: ORDER NUMBER: VENDOR NAME: Mark block with X if included 1.

Design

1.1

Design calculation



1.2

Data sheets completed by Vendor



1.3

Copy of Name plate



2.

Quality Assurance

2.1

QCP (completed)



2.2

Weld Procedures



2.3

Weld Procedures Qualification



2.4

NDT Procedures



2.5

NDT Reports



2.6

Repair Procedures



3.

Certificates



3.1

Vendor certificate of Conformance



3.2

Material Certificates



3.3

Pressure Test Certificates



3.4

All other test certificates



4. 4.1

Operation and Maintenance Operating and Maintenance Manual

4.2

Lubrication Schedules

5.

Drawings

5.1

Approved General Arrangement drawings (as build)


 

Approved

15 January 2007



Page 21 of 28


AA SPECIFICATION

SPEC_329001 ISSUE 0

AGITATORS

COPYRIGHT

ATTA CHMENT 6 - VENDOR LUBRICATION SCHEDULE SPECIFICATION NO:

VENDOR LUBRICATION SCHEDULE PROJECT:

ORDER NUMBER:

SHEET : X OF X

MINE:

EQUIPMENT No. :

REV :

DATE:

DESCRIPTION.:

SUPPLIER :

APPLICATION

TYPE

INITIAL FILL QUANTITY

FREQUENCY

SUPPLIER ACCEPT ABLE

KEY: T = TOP UP

L= CHECK LEVEL

C = CHANGE OIL

AAC ALTERNATIVE

BRAND AND NUMBER

SPECIAL PRECAUTIONS OR DETAILED CONSIDERATIO NS REQUIRED

A – OIL ANALYSES Application Nipple / Oil bath

Lubricant Grease / Oil

(Litres or Kg)

Daily

Weekly

Monthly

Three Monthly

Six Monthly

Yearly

2 Yearly

NOTE : SUPPLIERS SHALL PROVIDE LUBRICATION INFORMATION FOR EACH APPLICATON ON THE EQUIPMENT AND AUXILIARIES TO THE SATISFACTION OF THE ENGINEER. THIS LUBRICATION SCHEUDLE SHALL BE INCLUDED WITH THE TENDER DOCUMENT IN ACCORDANCE WITH THE REQUIREMENTS OF THIS TECHNICAL SPECIFICATION.


Approved

15 January 2007

Page 22 of 28


AA SPECIFICATION

SPEC_329001 ISSUE 0

AGITATORS

COPYRIGHT

ATTA CHMENT 7 : DATA SHEET AGITATOR EQUIP. NO.

DATA SHEET – AGITATOR SERVICE: TOTAL NUMBER:

SHEET NO.

OF

REV

MANUFACTURER:

SIZE/TYPE:

1 2 3

VESSEL SERVICE:

EQUIP/SPEC No.:

4

NUMBER WORKING:

PROCESS AND OPERATING CONDITIONS DUTY: CONTINUOUS MIXING PROCESS:

NUMBER STANDBY:

5 BATCH (Starts / Hour)

VARYING LIQUID LEVEL Blending and Dispersion (GAS/LIQ/LIQ)

6

Suspended Solids

8

Maintain

Emulsify Solids

Blend

7 9

Dissolving

10 11

Direction of Flow

Up

Down

Reversible

Radial

12 13

FLUID CHARACTERISTICS Component Units

14 Quantity

Viscosity Cp

% Solids %

Density Kg/m3

Setting vel M/s

Temperature °C

15 16 17 18 19 20 21 22

AA SPECIFICATION

SPEC_329001 ISSUE 0

AGITATORS

COPYRIGHT

ATTA CHMENT 7 : DATA SHEET AGITATOR EQUIP. NO.

DATA SHEET – AGITATOR SERVICE: TOTAL NUMBER:

SHEET NO.

OF

REV

MANUFACTURER:

SIZE/TYPE:

1 2 3

VESSEL SERVICE:

EQUIP/SPEC No.:

4

NUMBER WORKING:

PROCESS AND OPERATING CONDITIONS DUTY: CONTINUOUS

NUMBER STANDBY:

5 BATCH (Starts / Hour)

MIXING PROCESS:

VARYING LIQUID LEVEL Blending and Dispersion (GAS/LIQ/LIQ)

6

Suspended Solids

Emulsify

8

Blend

9

Maintain

Solids

7

Dissolving

10 11

Direction of Flow

Up

Down

Reversible

Radial

12 13

FLUID CHARACTERISTICS Component Units

14 Quantity

Viscosity Cp

% Solids %

Density Kg/m3

Setting vel M/s

Temperature °C

15 16 17 18 19 20 21 22

TOTALS

23 24

Liquid Behaviour:

Non Newtonian

Newtonian

25 26 27

Description of Solids: 3

Mixing Volume: Normal

m

Liquid Level: Minimum

m

Mixing Pressure:

kPa (g)

3

3

Minimum

m

Maximum

m

28

Maximum

m

Measured from:

m

29

Location:

Indoors

Recommended Materials of Construction:

Outdoors

30 31 32

PREPARED BY/DATE:

CHECKED BY/DATE:

33

PROCESS DESIGN AUTH. BY/DATE:

PROCESS ENG. AUTH. BY/DATE:

34 35

AGITATOR DETAIL S (Each Uni t)

36

RATED PERFORMANCE (By Vendor ):


ACCESSORIES

Approved

37

15 January 2007

Page 23 of 28


AA SPECIFICATION

SPEC_329001 ISSUE 0

AGITATORS

COPYRIGHT Absorbed Power: Normal

Max.

Specific Power:

kW kW/m

Purchaser

Vendor

3

Water kW: Operating Speed: st

1 Critical Speed:

38 SHUT OFF DEVICE

39

SEAL SYSTEM COMPLETE

40

rpm

FLUSH SYSTEM COMPLETE

41

rpm

SEAL LUBRICATOR

42

3

Circulating Capacity:

m /s

HEAT BARRIER

43

Start up Torque Required:

Nm

HEATED MOUNTING FLANGE

44

Max allowable Shaft Torque:

Nm

MOUNTING FOR STEADY BRG.

45

MOUNTING FLANGE/PLATE

46

BASEPLATE

47

TANK MOUNTING BRACKET

48

LUBE OIL COOING SYSTEM

49

Rotation Facing Driving Coupling

51 REV No./DATE PREP BY/DATE CHKD BY/DATE AUTH BY/DATE


Approved

15 January 2007

Page 24 of 28


AA SPECIFICATION

SPEC_329001 ISSUE 0

AGITATORS

COPYRIGHT EQUIP. NO. SHEET NO.

DATA SHEET – AGITATOR CONSTRUCTION Type of Entry

Top

Bottom

Side

Eccentric

Shaft:

Singled Diameter

Stepped

Solid

Hollow

Angled

kg mm

Type of Internal Coupling Max. deflection at seal: Diameter at seal:

mm mm

Length from Mounting Flange:

mm

From First bearing:

mm

Yes Number

Type

Method of Attachment: Stabiliser:

No Diamete mm

Weight

7

Location:

Fixing:

8

Split

Adjust Vertically Yes No

10

Yes

No

Yes

No

11

mm

Yes

No

Yes

No

12

Hub:

13

No

Outside Diameter:

mm

Location: Location:

Yes

No Packing

Mechanical

Single

Flushed

Lubricated

Flushed

18

Balanced

19

Type:

Size/Mfr.Code: Dry

None Material:

Kpa (g)

Sight Flow Indicators Required:

∆

Yes

Seal Flush Piping:

Capacity: Tube

M3/h at

P and

22

Pipe

23

°C ∆ T

24

No

Material:

25 Tube

Pipe

Method of Securing all Internal Fixings:

26 27

DRIVE SYSTEM

MATERIAL S

Direct Coupling High Speed : Mnfctr. Low Speed : Mnfctr. Gear : Mnfctr

20 21

Seal System Type

Total Cooling Water Required:

17

Number of Rings Double

Manufacturer:

14 15 16

Type:

No Seal

Cooling Water Piping:

9

mm Blades

Seal Liquid/Lubricant:

6

No

Thrust Type Radial Type Steady

4 5

Yes

Yes

Bearings:

No. Blades

2 3

Weight: Max TIR stand Diameters

Seal:

REV 1

Shaft Sleeve: Impellers

OF

Type/Size Type/Size

29

SHAFT

30

SHAFT LININGS

31

SHAFT SLEEVE

32

MOUNTING FLANGE COUPLING (IN TANK)

33 34

BOLTING (IN TANK)

35

COUPLING GUARD

36

PACKING

37

LIP SEALS MECH.SEAL ROT.RING

38 39

STAT.RING

40

GASKET “O” RING

41

SHOP INSPECTION

WETTED METAL PARTS

42

MECHANICAL DRY RUN

STEADY BEARING BUSH

43

MECHANICAL RUN LIQUID

STEADY BEARING SLEEVE

44

SEAL PRESSURE TEST

COVERING

45

Service Factor Power Rating : Mechanical Lube Oil Cooling Required: V-Belts:

Number

rpm In/Out

28

IMPELLER

Lubrication Thermal Yes

No

Type/Size DRIVER

POWER: VOLTS/PH/Hz:

kW

Rev/Min FRAME: HAZARD AREA CLASS:

SHOP TESTS (by Purchaser) TEST TEST CODE

MFR.

WITNESS

CRITCAL SPEED TEST

46

RESINS AND COVERING

47 48


Approved

15 January 2007

Page 25 of 28


AA SPECIFICATION

SPEC_329001 ISSUE 0

AGITATORS

COPYRIGHT APPLICABLE SPECIFICATIONS ENGINEERING STANDARD SPECIFICATION

SHIPPING WEIGHT: AGITATOR COMPLETE

kg

50

SPECIFICATION No.

TOTAL SHIPPING VOLUME

m3

51

ELECTRICAL MOTOR SPECIFICATION

49

52

REV No./DATE PREP BY/DATE CHKD BY/DATE AUTH BY/DATE


Approved

15 January 2007

Page 26 of 28


AA SPECIFICATION

SPEC_329001 ISSUE 0

AGITATORS

COPYRIGHT EQUIP. NO. SHEET NO.

DATA SHEET – A GITATOR VESSEL DATA (By Purchaser) VERTICAL

OF

REV 1

HORIZONTAL

VESSEL EQUIP No.

DESIGN PRESSURE DIAMETER:

kPa(g) mm

DESIGN TEMPERATURE TOTAL LENGTH:

TAN/TAN:

mm

TYPE OF BOTTOM:

BAFFLES REQUIRED: WIDTH: mm

YES GAP:

NO m

NUMBER:

NO

SIZE: FACING:

2 °C mm

3 4 5

LOAD (each):

kg

6 7

MANWAY: YES AGITATOR MOUNTING FLANGE SIZE:

RATING:

MAX. APPLICABLE DEAD WEIGHT:

kg

MAX.APPLICABLE THRUST:

N

10

MAX. APPLICABLE BENDING MOMENT:

Nm

MAX.APPLICABLE TORQUE:

Nm

11

8 9

DESIGN CODE:

12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50


Approved

15 January 2007

Page 27 of 28




PREPARED BY/DATE:

PROCESS DESIGN AUTH.BY/DATE:

52

CHECKED BY/DATE:

PROCESS ENGINEERING AUTH.BY/DATE:

53

REV No./DATE PREP BY/DATE CHKD BY/DATE AUTH BY/DATE


Approved

15 January 2007

Page 28 of 28


Agitator

Recommend Documents