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Site Explanation for Mechanical Work
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SITE EXPLANATION(MECHANICAL WORK)
O Mon Thermal Power Plant Unit No.2
1. Project overview
Description
Project Name O Mon Thermal Power Plant Unit No.2 Construction Project
OwnerOwner : EVNGENCO 2
Consultant : TEPSCO(Tokyo Electric Power Service Company)
LocationO Mon Disctrict, Cantho City, Vietnam(About 200km away from HCMC)
Contract period July 1, 2013 ~ Oct. 31, 2015
Warrant period Warranty Period : 730 days
Advance payment 10%
Selecting Subcontractor
June 15, 2013
1.1 General
1. Project overview
1.2 Site location
150kmCan Tho City 18km
1. Project overview
1.3 Overall Site photo
Unit No. 1Power Plant
Unit No. 2Location
1. Project overview
850m
590m
Cooling Water Piping
Power Block
*See the next slide
Switchyard
1.4 Overall Plot Plan
1. Project overview
Power(STG) House
Main Transformer
Boiler
ESP
CCB
FGD
1.5 Plot Plan (Power Block)208m
85m
1. Project overview
208m
1.6 Section View (Power Block)
2. Inquiry package
2.1 Composition of Inquiry package
2. Inquiry package
2.2 Letter of Tender
Subcontractor to input is
1. Tender cost
2. Expiry date of the Tender
3. Signature and address
4. Subcontractor name and address
5. Percentage for overhead charges and profit
6. Initials of signatory of Tender
2. Inquiry package
2.3 Schedule
Subcontractor to input is
1. Bill of Quantities
2. Daywork Schedule
3. Break down of Price
Adjustments to Final Amount of Subcontract Work
2. Inquiry package
2.3 Schedule
Price schedule
1. Unit rate in Bill of Quantity shall include indirect cost and O&P
2. Total cost from BILL OF QUANTITY(SUMMARY), Break down of
Price (Summary 1) and Break down of Price (Summary 2) shall
be same
2. Inquiry package
2.3 Schedule
Optional price 3 sets of field erection tank (PKG B)
Material, pre-fabrication and primer coating
2. Inquiry package
2.3 Schedule
Optional price for NDE (Will be included in Addendum for PKG A)
RT, PT, UT and MT
Description QtyUnit Rate
(USD)
Amount
(USD)
RT 7,000 films
PT 25,000 m
UT 20 m
MT 30 m
2. Inquiry package
2.4 Condition of Subcontract
Condition of Subcontract is general condition, and referred by Letter of
Tender
2. Inquiry package
2.5 Specification (Special condition of Subcontract)
Content
1. General
2. Scope of Works and Measurement
3. Free-Issue Materials
4. Technical Specification
5. Other condition
Annex
1. Detail scope of Work
2. Conceptual Drawing for Definition of Package A and B
3. Measurement Formula for Piping Works
4. Preliminary Construction Schedule
5. Special tools and consumables to be provided by Contractor
2. Inquiry package
2.5 Specification (Special condition of Subcontract)
Scope of Works and Measurement
1. Mechanical work is divided into 2 packages
2. Package A : Power Block (T/G and BLR, up to GAH outlet)
3. Package B : Non Power Block (EP, FGD and others, from GAH outlet)
4. Mechanical work includes piping, equipment installation, painting and
commissioning assistance
2. Inquiry package
2.5 Specification (Special condition of Subcontract)
2. Inquiry package
2.5 Specification (Special condition of Subcontract)
Piping work
1. Installation of pipe, fitting, flanges, valves, bolts/nuts, inline
instruments and other piping components
2. Installation of support, performing NDE and heat treatment
3. Flushing, blowing and any other pre-commissioning activities.
4. Detail scope as per Specification and Annex 1 (In case any conflicts
arise between Specification and Annex 1, Specification will prevail)
2. Inquiry package
2.5 Specification (Special condition of Subcontract)
Equipment erection
1. Installation of equipment including piping
2. Delivery condition of pipe, condenser, steam turbine and other
equipment, if available, is stated in Contractor-furnished data
3. Erection of procedure based on Unit No. 1, if available, is stated in
Contractor-furnished data
4. Preparation, temporary structure and any pre-commissioning activities
are Subcontractor scope of work
5. Detail scope as per Specification and Annex 1 (In case any conflicts
arise between Specification and Annex 1, Specification will prevail)
2. Inquiry package
2.5 Specification (Special condition of Subcontract)
Equipment delivery condition
Piping for Boiler and Steam turbine
Condenser
Steam turbine
2. Inquiry package
2.5 Specification (Special condition of Subcontract)
Equipment erection procedure for Unit No. 1
Generator, steam turbine, condenser, steam drum, heater and etc.
For condenser installation, some tools and consumables as stated in 2.2.5 Special
tools and consumables to be provided by Contractor will be supplied by
Contractor
2. Inquiry package
2.5 Specification (Special condition of Subcontract)
Preparation for erection of main equipment
Jack-up system for Generator and Steam drum
Temporary structure for Generator, steam drum, condenser and etc.
Temporary rail for turbine, heater, deaerator and etc.
Note: For transportation of Generator of Unit No. 1, conventional transporter used,
while SPMT will be used for transportation of Generator and other critical
equipment. Thus, quantity of temporary steel structure will be reduced.
2. Inquiry package
2.5 Specification (Special condition of Subcontract)
Generator Installation
This rail will not be
needed
SPMT
2. Inquiry package
2.5 Specification (Special condition of Subcontract)
Route of SPMT for Generator Installation
2. Inquiry package
2.5 Specification (Special condition of Subcontract)
Equipment erection
Adjustments to tonnage of Equipment
2. Inquiry package
2.5 Specification (Special condition of Subcontract)
Painting work
1. Surface preparation, preservation and coating
2. Painting and blasting material
3. Color coding, line marking and touch-up
4. Transportation of Materials/Pipe spools/Equipment from/to painting
shop
5. Detail scope as per Specification and Annex 1 (In case any conflicts
arise between Specification and Annex 1, Specification will prevail)
2. Inquiry package
2.5 Specification (Special condition of Subcontract)
Free issue materials
As per Specification
Technical Specification
As per Specification
2. Inquiry package
2.5 Specification (Special condition of Subcontract)
Other conditions
Acquisition of permit by Subcontractor
Temporary facility and utility for Work by Subcontractor
(including sufficient number of portable toilets at Site)
Office area by Contractor
(Subcontractor shall carry out back-filling, compaction and gravelling if required)
Shop area by Contractor
(Subcontractor shall carry out glass cutting, grubbing and moving existing material to
Contractor designated place)
Material handling, transportation and storage by Subcontractor
Preservation of Equipment and material by Subcontractor including periodic manual shaft
rotation of Rotating equipment.
2. Inquiry package
2.5 Specification (Special condition of Subcontract)
Other conditions Location for Subcontractor office and shop
Shop area
Shop area
2. Inquiry package
2.5 Specification (Special condition of Subcontract)
Construction schedule
Critical Path (will be included in Addendum) Power receiving: October 1, 2014 Initial Firing: February 15, 2015 Steam Admission: May 23, 2015 Synchronization: June 10, 2015 Take over: October 31, 2015
Preliminary construction schedule
2. Inquiry package
2.6 Drawing, Clauses of Contract
Drawings
Bid drawings for reference
Clauses of Contract
1) General Condition of Contract
2) Special Condition of Contract
3) General Technical Provisions
4) Technical provision for Civil and Architectural works
5) Technical provision for Turbine generator and Auxiliaries
6) Technical provision for Boiler and Auxiliaries
7) Technical provision for FGD system
2. Inquiry package
2.7 Contractor-Furnished data
Package A
1) General inspection requirement with inspection and test plan
2) Turbine generator and Boiler vendor piping delivery condition
3) Steam turbine delivery condition
4) Condenser delivery condition
5) FDF and GRF delivery condition
6) GAH delivery condition
7) Deaerator delivery condition
8) Turbine generator and Boiler area vendor piping information
9) Preliminary heavy bulky cargo list for turbine generator and boiler
10) Boiler air & GR duct division instruction
11) Boiler erection procedure
12) Boiler gas duct & structure division instruction
2. Inquiry package
2.7 Contractor-Furnished data
Package A
13) Boiler leaving out steel structure division instruction
14) Boiler pressure parts division instruction
15) Boiler steel structure before pressure parts division instruction
16) Condenser supply division instruction
17) Erection procedure for Boiler steel structure
18) Installation procedure for condenser
19) Opening plan for power house & CCB
20) Turbine erection procedure
21) Installation plan for generator, steam drum, heater and etc.
2. Inquiry package
2.7 Contractor-Furnished data
Package B
1) General inspection requirement with inspection and test plan
2) ESP preliminary packing list
3) Field fabrication tank reference drawing
Additional data from Unit No.1 (to be included in Addendum)
1) Silencer drawing for blowing out piping
2) Target plate drawing
2. Inquiry package
2.8 Clarification (will be included in Addendum)