A flue chimney, 15,000 mm lengthy and 560mm diameter will be constructed from steel sheet, full with lagging, damper and also rain water defense cone. The chimney will be lined with castable grade diatomaceous concrete blended with high alumina cement according to BS 4076: 1989.
The damper will certainly regulate the closing of the door to not less than 85%. The pile is to enable fresh air at the supply’s base so that the flue gases are released at not move after that 4000 C which the discharge conforms to the British Clean Air Act, the National Setting Administration Agency (NEMA) Act or other pertinent acts.
1.1.4 POWER SUPPLY
The sub-contractor will provide equipment which are suitable for operating on a 415V, 3 phase, 50HZ or 240V, solitary stage, 50HZ electrical power supply.
1.1.5 OIL STORAGE AND ALSO SUPPLY
The system will contain a bulk oil tank, day-to-day storage tank, move hand fuel pump and also linked pipe job. Oil from the mass tank will be provided to a high level daily tank situated in the burner area by use of a transfer hand pump as well as automated electric pump.
1.1.6 SPARES AND ALSO GUIDEBOOKS
The tenderer is to submit with his tender a listing of advised first supply of spares together with their costs. A part from the burner spares pointed out right here below, the spares prices are not to be included in the main recap of prices routine yet is to be separate and are indicated to be ordered later if and also when it ends up being required as well as convenient to the client. The heater saves whose prices are to be consisted of in the main summary of costs timetable (BQ) are:-
i) 1No. Establish of safety controls
ii) 1No. Solenoid valve
iii) 1No. Oil ignition system
iv) 2No. Photo-electric cells
2 sets of operating and upkeep handbooks (both for the incinerator as well as burners) have to likewise be provided. This include 2 sets of control schematic representations for all the controls and wiring.
1.1.7 MASS OIL TANK
The bulk oil storage tank nominal capacity of 10,200 litres and also complying with BS 799 component 5: 1975 shall be placed on three concrete cradles.
The works shall include supply, distribution, assembling, erection, testing, commissioning and readying to work. The container is to be of bonded light steel kind with a layout stress of 40KN/m2 as well as storage temperature of 240 C. It is to be situated beside the incinerator and boiler residence.
The container shall be round with dished end and be created of 6mm thick block moderate steel plates in accordance with BS 1966. Top top quality galvanized materials will not be used.Welded construction parts shall be sprayed.
The tank will be pressure tested with an overall head of water or matching, gauged from the base of the tank, and also equal to 1 1/2 times the sum of:
(i) The elevation of the container and also
( ii) The style head above the top of the tank that is 3.5 m of water.
The pressure shall be elevated gradually as well as steadily up until the specified test pressure is reached which pressure will be preserved for a duration enough time to allow a thorough exam to be made to ensure that the tank is audio enough and reveals no leaks or excessive distortion. Bonded joints will be radiographed as well as a certificate provided. Should any defects be found, they shall be made good as well as the examination treatment repeated till the storage tank is certified to be audio. The examinations shall be executed in the visibility of the Engineer and ultimately, the sub-contractor will give the Designer with the examination certification.
The storage tank shall then be cleansed on the surface and given with rust inhibiting guide prior to using 2No. layers of bituminous paint. The within will likewise be cleansed and purged of any type of foreign matter before setting to work.
Ladders as well as platforms shall be completely cleaned up as well as devoid of rust and range as well as painted with a priming coat of accepted paint.
The tank shall be supplied with the following:-
(i) 450mm bolted examination covers with fluid and vapour tight joint made with a gasket of gas immune materials.
( ii) 75mm (3″) vent socket screwed B-SP as well as pipeline at the higher end of the storage tank with an unloading device to avoid the rise in storage tank pressure above the style stress. The air vent pipeline shall be devoid of bends as well as will have a continuous surge while being as brief as hassle-free. It shall terminate in open air in a position where it can not be damaged. The open end will be rejected and fitted with an open mesh wire cage.
( iii) 65mm size filling pipeline with hose combining connection
( iv) 50mm size assessing connection with lockable cap.
( v) 50mm diameter supply pipeline
( vi) 25mm diameter water drain-off worth
The tenderer will provide hydrostatic oil materials gauge (degree indication) or a.
correctly adjusted stick (of dip tape) and gain access to ladder to the top of the storage tank.
The loading pipeline shall be expanded inside the container to within 150mm of storage tank base,.
total with anti-siphoning device.
The following information shall be completely and also plainly marked on the tank on the.
centre line near the outlet link.
– Gross capability in litres.
– Test stress.
– Day of test.
– Optimum permitted working pressure.
– Manufacturer’s name of profession mark.
– Year of manufacture.
– The variety of British requirement and also type of storage tank
The container will be mounted with a 25mm loss in the direction of the water drain-off tapping point. The supply outlet shall be expanded inside the container to avoid access of water in the supply line. The major contractor will build container assistances and bund wall surfaces to information drawings generated by the sub-contractor. A valued drain off from the most affordable part of the tank shall be supplied total with tail pipeline and also a stipulation for hose pipe connection.
1.1.8 TRANSFER HAND PUMP
A semi rotary hand pump will be offered filling the day storage tank from the oil drum. It will be set up total with all the needed pipes fittings and accessories.
1.1.9 DAILY SERVICE CONTAINER
A day-to-day tank of small ability 1,800 Litres will be placed at 2.5 metre high degree in the burner room. Storage tank shall be made from 6mm thick pushed steel plates of 1220mm x 1220mm black mild steel sheet, complete with bolted cover and also ample venting. The storage tank will satisfy BS 799 component 5 1995 as well as be provided with a materials view tube. The tank shall be lagged with 50mm thick fibre glass insulation of 0.4 W/m2 thermal conductivity and also finished with 20SWG galvanized sheets cladding.
The container will be examined for any type of leaks of which if any kind of is identified will certainly be made good prior to the tank is painted on the surface with rust hindering paint. Tank to be safely bolted.
1.1.10 AUXILLIARY TOOLS
All pipework used in the oil storage space systems shall be to B.S. 1387 heavy grade. Joints shall be screwed, and also sufficient unions should be given to permit simple taking down the equipment.
A 25mm size fire shutoff of the fast action lever ran dead weight type will be mounted, in the oil circulation line. This will be held in the employment opportunity by a light scale steel wire connected to a fusible web link. The fusible link will be placed directly over the burner. The cozy heater oil feed pipeline from the high degree day container will be heated by an electrical mapping tape effectively wrapped around the pipe. The pipeline shall then be shielded with 25mm thick fiber glass insulation as well as completed with gauge 22swg galvanized steel sheet.
The supply pipeline from the mass oil storage tank to the high degree day has actually been set up by others however the tenderer shall permit link to the high level day container. The tenderer will also supply and also set up high capacity filters along the supply pipe and the burner feed pipeline.
1.1.11 PIPE SUPPORTS
The range and kind of assistances will be kept to a minimum and also their style will be such as to promote overview as well as safe dealing with to match concrete masonry or wood.
Consideration will be offered when designing assistances to the maintenance of desired pipe loss as well as the restraining of pipe motions to a longitudinal axial instructions only.
The sub-contractor shall provide and set up all steel work creating part of pipeline assistance assemblies and also will be responsible for making good any type of damages to contractors work connected with builders function installation.
Pipe runs will be secured by clips linked to pipe hangers, wall braces or trapeze type sustains. ‘U’ screws will not be used for clips without previous approval of the Engineer.
The sub-contractor will submit his whole proposition for the pipeline supports to the Engineer for authorization prior to any type of erection work commences.
1.1.12 ELECTRICAL WORKS
All circuitry in between items, plant as well as controls shall be implemented by the tenderer. The tenderer shall provide sufficient supervision to ensure that electrical connections are correctly made to all products of devices as well as controls supplied by him, all to the Job Manager’s/ Designer’s contentment.
1.1.13 INCINERATOR SCREENING As Well As COMMISSIONING
The tenderer will check and also commission the incinerator in the presence of the Engineer.The tenderer will also offer enough oil to last a minimum of 2 (2) hours. The tenderer shall test and commission the incinerator in the presence of the Designer and also verify that the incinerator is functioning according to the specifications laid here-in and in the catalogues as well as manuals from the vendors of he incinerator.The burner performance test will be carried out in conformity to BS3316: part 4:1987. Ought to any type of problem be spotted, it will be remedied and the screening procedure duplicated to the Task Manager’s satisfaction.
1.1.14 FIRE DIRECTION NOTIFICATION
Proceed and procure and also mount as below;
Print fire direction on the Perspex plate, 3mm close White Colour.
History measuring 510mm lengthx380mm size as adheres to;
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