Spares as well as wear-and-tear parts shall cover those parts recommended by the Contractor to enable the Plant to be operated for 05 years LTSA period after completion of the guarantee time (final take-over). These parts shall be offered on separate sheets.
Each spare part shall be labeled with its PPCS number.
All items shown in these schedules shall form part of the contract price and the Owner/Owner's Representative may order all or any of the parts at his discretion and adjust the contract price accordingly.
All spare parts required for testing of the Plant according to "Inspection and Testing" and for all action before Provisional Taking Over Certificate form part of the principal scope of supply and are not to be included in the spare parts list.
They shall be included in the scope of the relevant machinery without pricing, it means for the time of commissioning, the trial operation and provisional take-over.
All spare parts required for warranty period (24 months) shall be supplied by the Contractor.
Major items of spare parts must be priced individually but minor items can be grouped together. The spare part shall be offered on separate price sheets.
The Contractor shall segregate in the schedule those "consumable" spares necessary for the efficient day to day maintenance of any items of Plant, those
"spare parts" to be replaced after certain running time and those "strategic"
spares which, in his opinion the Owner/Owner's Representative should hold to minimize the outage of the Plant due to breakdown.
Each item shall be labeled in BangIa and English as well as with PPCS coding system and be separately packed against damage and sealed to prevent deterioration from corrosion in a dry weatherproof building.
The spare parts shall be placed in bins, racks, drawers, shelves, cabinets, etc. to be provided by the Contractor.
The Contractor shall not use any of the spare parts without written permission from the Owner/Owner's Representative. The Contractor shall deliver the spare parts for a 24-h-MCR-operation period of five (05) years LTSA. The stores shall be suitable for these conditions.
0.3.8.2 Tools and appliances
The following tools and appliances shall be supplied under this Contract for use by the Owner/Owner's Representative: ..
a) two sets of special tools and gauges required for the maintenance c1fthe Plant b) one set of special lifting and handling appliances required for the
maintenance of the Plant.
Each tool or appliance is to be clearly marked with its size and/or purpose.
The tools and appliances supplied shall not be used for erection purposes by the Contractor and shall be handed over in brand new condition.
The exception to this is the special lifting gear which may be used provided that when it is handed over to the Owner/Owner's Representative it has not- been subjected to more than normal wear and is still fully suitable for its intended use.
Each set of tools and appliances under category (a) shall be suitably arranged in fitted boxes of mild steel construction, the number of boxes being determined in relation to the layout of the plant and equipment in question. If the weight of any box and its contents should be such that it cannot conveniently be carried, it shall be supported on steerable rubber-tyred wheels.
Each cabinet and box shall be painted, fitted with a lock and clearly marked in white letters with the name of the item of equipment for which the tools and appliances contained are intended.
Suitable storage racks shall be provided for all portable lifting tackle in this contract.
Suitable lifting lugs, ears or ring bolts, or tapped holes for lifting rings shall be provided on all equipment items where the weight exceeds 15 kg.
All lifting tackle shall be stamped with a unique identification number and safe working load. A test certificate from an approved Authority shall be supplied for each item of lifting tackle.
The Contractor shall provide a schedule of all lifting tackle and tools and appliances being supplied, for the approval of the Owner/Owner's Representative.
The Contractor shall provide all runway beams, trolleys, lifting blocks, special slings etc. necessary for the safe and efficient handling and maintenance of the works. Particular attention shall be paid to high level equipment such as deaerator. Electrically operated hoists and runway trolleys shall be provided for all lifts in excess of 2.5 tons.
The tools and appliances with the appropriate storage racks, cabinets and boxes shall be handed over to the Owner/Owner's Representative at the time of taking over.
Where the Contract includes site erection, any special tools or appliances required solely for erection shall be provided by the Contractor for his own use and shall remain the property of the Contractor.
0.3.8.3
Consumables
Lubricants and greases
All lubricants proposed for the Plant operation shall be suitable for all operatingand environmental conditions that will be met on site.
All oils and greases shall where possible be readily available in the country of installation.
The number of oils and greases shall be kept to a minimum. For each type and grade of lubricant recommended the Contractor shall list at least three equivalent lubricants manufactured by alternative companies.
The Contractor shall supply the first fill of lubricants for the Plant, and shall provide at the provisional Taking Over sufficient lubricants and greases necessary for the efficient operation and maintenance of the Plant at full load 24 hours per day for a period of 24 months (Warranty period).
The Contractor shall also supply lubricants and greases necessary for the efficient operation and maintenance of the Plant at full load 24 hours per day for 05 years LTSA period after final take over.
Chemicals and other consumables
The contract includes the provision of all chemicals, reagents, resins, and other consumables required for testing, commissioning and setting to work of each section of the Works.
The Contractor shall provide all chemicals, and other consumables required for the efficient operation and maintenance of the plant at full load 24 hours per day for a period of 24 months for each section of the works from the date of the provisional Taking Over.
The Contractor shall prepare a list of these consumables giving quantities necessary for each section of the works and the recommended suppliers.
The Contractor shall deliver to site sufficient quantities of consumables in his supply to allow for running of the Works prior to the issue of the Temporary Taking Over Certificate. The delivery of the remainder of the consumables shall be programmed to suit the operational requirements and space availability within the various stores.
The Contractor shall also provide all chemicals, and other consumables required for the efficient operation and maintenance of the plant at full load 24 hours per day for 05 years LTSA period after final take over.
0.3.9
Maintenance works Deleted0.3.10 Options
Deleted
Limits of supply
The interfaces for the Plant shall be as follows; all mentioned equipment, connections, connection materials, counter flanges, shut-off valves, safety valves are included in the scope of supply:
required quantity shall have to be installed.
Interface with Coal mine discharge water and interconnection with existing deep well system are required.
• sanitary waste water Interface out fall canal (including)
waste water, cooling After reuse for ash transportation up to the tower blow down ash ash pond
pond water After suitable treatment at irrigation nozzles
or outlet into the Tillay river diesel fuel oil for Interface at unloading station
boiler start-up, emergency diesel generator and fire fighting pump diesel
0.4.2
Interfaces to project facilities on site. x . . All refurbishment and adequate rerouting of
• interfaces to existing , connecting roads and railways to the Plant
facilities on site roads and site in such a way that all material required
railways to the Plant site for construction, commissioning and
operation of the Pant can be delivered to site
0.4.3 Metering
Sufficient metering devices shall be provided to enable an energetic balancing of the power units and additionally to enable balancing of all process flows.
Metering of electrical signals is indicated in Annex C-B8-2, and frequency, voltage, active power, reactive power, and energy shall be metered for each power unit at the switchyard.
The accuracy and signal interface requirements for metering devices shall be according to the Metering Code (which will be submitted by the Owner/Owner's Representative during contract execution).
0.4.4
Communication systemsAll communication to other subsystems and the plant systems shall be through standardized interfaces.
CCTV shall be interfaced to the Power Plant's fire alarm system. CCTV shall be provided with standard interfaces like RS-485/RS-232/ V-14/V-11.
0.5
Formsheets (Data Sheets)Declaration by Bidder
(Form, to be completed by the Bidder)
Deviation from Tender Document (Form, to be completed by the Bidder) Design Data
Guarantees
Price Sheets (In Part A) Time Schedule
Bidder/Contractor Section B0: General Specification
Deviation from render Documents
B0/F-1
B0/FA-1
B0/FD-1 B0/FG-1 to 14
B0/FZ-1
BPDB. Barapukuria Power Plant 250 MW Bidder/Contractor
Section B0: General Specification Declaration
by
BidderDeclaration
by
Bidder forBPDB. Barapukurla Power Plant
It is hereby confirmed that this Bid complies in full with the Tender Document. Deviations are listed in detail in the appended data sheet B0/FA. Should this Bid be successful, beside the offered and agreed deviations all of the conditions and stipulations of the Invitation for Bid for 250 MW Barapukuria Coal Fired Power Station Project will be accepted.
Bidder:
Bid Number:
Stamp and Signature of Bidder:
B0/F-1
B0/FG-1 6
0
Guarantee Schedule
BPDB, Barapukuria Power Plant 250 MW
BPDB, Barapukuria Power Plant 250 MW Bidder/Contractor
Section B0: General. Specification
Design Data - List of Major Equipment and Service
Suppliers Unit Data
(to be completed by the Bidder)
• Steam generator
• Steam turbine
• Steam turbine Generator
• Feed pumps, Cooling water pumps, Condensate Pumps, fire fighting pumps
• Switchgear, Switchyard, Transformers
• Distributed control system
• Construction
• Maintenance
• Civil Contractor
-• Compressor Station
• Emergency diesel B0/FD-1
B0/FG-1 6
1
Section B0: General. Specification Unit Guarantees, to be completed by the Bidder
Net Power Output, Po kW
Net Heat Rate:
Net heat rate based on net calorific value of fuel at site condition (350 C, 1.013 bar, 98% RH)
B0/FG-1 6
2
BPDB, Barapukuria Power Plant 250 MW Minimum Requirements
Section B0: General. Specification
Guarantees, to be completed by the Bidder Unit Data
General Guarantees
The Works conform to the Specification and shall be free from defects in design, Owner/Owner's
Representativeing, materials, construction and workmanship.
The. Plant furnished hereunder, and all materials, equipment, tools and supplies incorporated therein or becoming a part of the supply shall be new, unused and shall be fully suitable for the intended use, and shall meet all of the performance requirements set forth in the Contract.
The Plant shall be fully suitable for use of the specified fuel.
The Plant and all portions thereof shall be suitably coordinated as to functions and interrelations, properly responsive to controls and sufficiently stable in operation to avoid objectionable fluctuations in operating temperatures, pressures, rates of flow and the like during all stages of operation.
Warrantee period year 2
B0/FG-1 6
3
BPDB, Barapukuria Power Plant 250 MW Minimum Requirements
Section B0: General Specification
Guarantees, to be completed by the Bidder Unit Data
Guarantee Data
Data to be guaranteed for the whole load range and complete range of ambient conditions
Absence of excessive vibration during operation of the turbine generator. Maximum effective vibration velocity measured at bearing housings:
Maximum vibration of components:
(vibration criteria as per guide line ISO 10816) .
-"good", according to VDI rule 2056 Maximum noise pressure level at 1 m distance from the
noise source dB{A) 85
Maximum noise pressure level within workshops dB{A) 75
Maximum noise pressure level within central control room dB{A) 55
Maximum noise pressure at the boundary of the plant dB{A) 60
Maximum heat losses of insulation W/m2 200
(Maximum residual oxygen content in the condensate down-stream condenser and feed water downdown-stream feed water
tank within the load range 25% to 100% mg/l 0.02
Guarantees and tolerance values of generator, transformers and electrical equipment
to be in accordance with IEC regulations
Maximum continuous boiler steam output % 104 of turbine MCR flow
Steam temperature at superheater outlet °c 535
Steam temperature at reheater outlet °c 535
Constant steam temperature turndown range for the
superheater %of MCR 60 -100
Constant steam temperature turndown range for the reheater
% of MCR 70 -100
Minimum permissible load % of MCR 30
Output of make-up water plant m3/h
Maximum fresh water demand from deep wells m3/h
B0/FG-1 6
4
BPDB, Barapukuria Power Plant 250 MW Minimum Requirements
Section B0: General Specification
Guarantees, to be completed by the Bidder Unit Data
Guarantee Conditions
Gross specific heat consumption (qgrA) kJ/kWh Swallowing capacity at steam turbine
Gross specific heat consumption (qgrA) kJ/kWh
BPDB, Barapukuria Power Plant 250 MW Minimum Requirements
Section B0: General Specification
Guarantees, to be completed by the Bidder Unit Data
Condition C: 50% Load Operation
B0/FG-1 6
5 Total auxiliary consumption (excluding generator
excitation power and transformer losses) at MCR
Guarantees, to be completed by the Bidder Unit Data
Steam turbine plant
Maximum increase in running speed of turbines in case of
sudden full load reduction % 8
Drop in steam turbine condenser vacuum at closed air suction I mbar/min valves at pure condensing operation
• a rise in the correct flue gas temperature at the
regenerative air preheater outlet of greater than 20 K or
• a rise in the pressure loss on the flue gas side up to the regenerative air preheater outlet of greater than 20% or
• the design temperature of the superheater or reheater material at any location is exceeded.
• Nitrogenoxides (NOx) of the flue gases, calculated as N02 (stp, dry, 5% O2)
Carbonoxid (CO) of the flue gases (stp, dry, 5% O2)
mg/m3 mg/m3
B0/FG-1 6
6
• content of solid particles in the flue gas (stp, dry, 5% O2) leaving the EP
CO2 drop (dry) between combustion chamber and regenerative air preheater outlet at MCR
mg/m3
%
BPDB, Barapukuria Power Plant 250 MW Minimum Requirements
Section B0: General Specification
Guarantees Unit Data
Wear and tear parts
Coal mills h 12,000
Pulverized coal operated parts
• general h 20,000
• special, easy changeable (wear plates) h 8,000
• refractory h 8,000
Ash transporting parts
• general h 16,000
•special, easy changeable h 8,000
Load changes
•load range 50 - 90%
%of MCR/mi n
±6
• load range 30 - 100%
%of MCR/mi n
±4
Start-up and backup firing
• capacity %MCR 35
• turn-down ratio - 1:5
B0/FG-1 6
7
BPDB, Barapukuria Power Plant 250 MW Minimum Requirements
Section B0: General Specification
Guarantees Unit Data
Rejection
Further to the stipulations stated in other parts of the Tender Documents the Owner/Owner's Representative reserves the right to reject in the following:
Should the deterioration of the guarantee values be greater than the following values then the Owner/Owner's Representative shall have the right to reject the respective scope of this Section
MCR of turbine generator % 10
Specific heat consumption % 10
Auxiliary consumption % 10
Starting and loading time % 30
Live steam and reheat steam temperature deviation K 8
Effective vibration velocity mm/s 2.5
Oxygen content in feed water or condensate mg/l 0.02
or any other guarantee value is not met.
B0/FG-1 6
8
BPDB, Barapukuria Power Plant 250 MW Bidder/Contractor
Section B0: General Specification
Design Data and Guarantees for I&C Equipment Unit Data