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Structure and Contents of O&M Manual


The detailed requirements, structure and contents of the O&M Manual shall be as specified in elsewhere in the Contract and shall include the following information under separate sections where appropriate:-

a)      Project Information This shall include:-
Project title, site address, contract no., contract title, contractor/sub-contractor names, address, contact persons and their telephone/fax nos., contract commencement date, substantial completion date and expiry date of Maintenance Period.



             b)      List of Installed Equipment:-

Schedule of all items of equipment and plant stating the location, name, model no., manufacturer's serial or reference no., manufacturer’s design duties and data.

c)      Spare Parts and Special Tools Lists:-

§  List of Spare Parts supplied by the Contractor: Item descriptions, supplied quantities, model nos., manufacturer’s serial or reference nos. and storage locations; and
§  Recommended Spare Parts List and Special Tools List:
Manufacturers’/suppliers’ recommendations for spare parts and special tools with item description, unit rate, recommended stock quantities as well as the agents for the spare parts and special tools.

d)     Manufacturers’ Certificates/Warranties:- This shall include;
§  Manufacturers’ certificates such as factory test certificates, laboratory test reports and any others where required for the equipment and plants, etc.; and
§  Originals of Statutory Inspection Certificate for various installations, including:-
§  Warranty certificates for all major equipment against manufacturing and installation defects, corrosion, and peeling off, valid for a period of three years from the date of handover.

e)      Safety Precautions for Operation & Maintenance: -

State, where applicable, hazard warnings and safety precautions of which the operation and maintenance staff need to be aware;

§  Mandatory requirements relating to safety;
§  Known hazards against which protection measures shall be taken; and
§  Known features or operational characteristics of the installed equipment or systems which may cause hazard and the related safety precautions.

f)       Operation Instructions: -

Instructions for the safe and efficient operation, under both normal and emergency conditions, of the installed system, which shall comprise;

§  An outline of the operating mode;
§  An outline of the operating mode;
§  Precautions necessary to overcome known hazards;


§  Means by which any potentially hazardous equipment can be made safe;
§  Emergency shut off of water supply; and
§  Changeover to standby equipment /pipework.


g)      Maintenance Instructions

Manufacturers’ and the Contractor's recommendations and instructions for the maintenance of the installed equipment. Clear distinction should be made between planned tasks (preventive maintenance) and fault-repair tasks (corrective maintenance). Instructions shall be given on each of the following, as appropriate:-

-          Nature of deterioration, and the defects to be looked for;
-          Isolation and return to service of plant and equipment;
-          Dismantling and reassembly;
-          Replacement of components and assemblies;
-          Dealing with hazards which may arise during maintenance;
-          Adjustments, calibration and testing; and
-          Special tools, test equipment and ancillary services.

§  Maintenance Schedules;

Proposed maintenance schedules for all the preventive maintenance tasks identified above. The schedules shall be based on both manufacturers' recommendations and other authoritative sources (e.g. statutory or mandatory requirements) and should include;

-          Routine servicing;
-          Inspections;
-          Tests and examinations;
-          Adjustments;
-          Calibration; and
-          Overhaul.
The frequency of each task may be expressed as specific time intervals, running hours or number of completed operations as appropriate. Collectively, the schedules will form a complete maintenance cycle, repeated throughout the whole working life of the Installations.

h)     Drawing Lists:-

§  A complete list of as-built drawings identified with drawing number/reference;
§  A complete list of manufacturers’ shop drawings with drawing number/reference, where applicable; and
§  A brief description of CD-ROM for these drawings.


i)       Technical Literatures:-

A complete set of manufacturers' literatures for all the plant and equipment installed in the system. The contents of these literatures shall cover the following areas where applicable:-

§  Description of equipment with model numbers highlighted;
§  Performance - behavioral characteristics of the equipment;
§  Applications - suitability for use;
§  Factory/laboratory test reports, detailed drawings, circuit diagrams;
§  Methods of operation and control;
§  Operation instructions;
§  Cleaning and maintenance requirements;
§  Plants, materials and space required for maintenance;
§  Protective measures and safety precautions for operation and maintenance; and
§  Part lists.

j)       Contact addresses and telephone numbers of suppliers of major equipment.

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