Chapter V. Technical requirements Package No.19 Supply slag discharge pipes and fittings

Chapter V. Technical requirements
1. General introduction of project and bidding package
- Supplying materials and equipment for major repair in 2019;
- Name of package: Package No.19 "Supply slag discharge pipes and fittings";
- Place of delivery: At the warehouse of Hai Phong Thermal Power Plant - Tam Hung
commune, Thuy Nguyen district, Hai Phong city;
- Contract performance time: 90 days from the date the contract takes effect.
2. Technical requirements
2.1. Requirement of specifications, standards and demonstrated documents
a. Specifications and standards:
Name of goods and related
Item
Specifications and standards
services

1

2

3

Iron elbow 90 Ф 273 x 10

Iron elbow 90 Ф 273 x 10, steel C45
(equivalent or better)
(Iron elbow has 2 layers of paint, including
01 anti-rust coating layer and white coating
outside layer.)

Iron elbow 90 Ф 325 x 12mm; DN300; R =
1350mm, outer CT3 (equivalent or better),

inner coated by anti-abrasion alloy
Cerametal layer 4,5 mm thickness.
Iron elbow 90 Ф 325 x 12mm; Technical specifications of Cerametal alloy
R = 1350mm, high anti- C: 4,0÷ 5,5%; Cr: 24,0÷ 30,0%; Mn:
abrasion
0,5÷ 2,5%; Si: 0,5÷ 1,5%; Others: 1%;
Hardness: 60- 62 HRc;
(Iron elbow has 2 layers of paint, including
01 anti-rust coating layer and white coating
outside layer.)
Iron elbow 120; Ф 325 x 12, DN300; outer
layer is steel (equivalent or better), inner
coated by anti-abrasion alloy Cerametal layer
4,5 mm thickness.
Technical specifications of Cerametal alloy
Iron elbow đúc 120 ; Ф 325 x C: 4,0÷ 5,5%; Cr: 24,0÷ 30,0%; Mn:
12; anti-abrasion
0,5÷ 2,5%; Si: 0,5÷ 1,5%; Others: 1%;
Hardness: 60- 62 HRc;
(Iron elbow has 2 layers of paint, including
01 anti-rust coating layer and white coating
outside layer.)

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Item
4

5

6

7

Name of goods and related
Specifications and standards
services
Hose clamp consists of two halves,
Hose clamp DN300 and fittings connected by bolts and sealed with rubber
gaskets (reference to drawing OTX-02)
Cast steel pipe Ф 273 x 10, steel C45
(equivalent or better)
Cast steel pipe Ф 273 x 10
Steel pipe has 2 layers of paint, including 01
anti-rust coating layer and white coating
outside layer.
- - Dimension DN300 (outer diameter
φ325x12,5);
- - The length of each section of pipe is 12
meters;
- - The pipe sections are designed to be
connected by hose clamp DN300.
- - Outside steel pipes are cast steel pipes CT3
thickness of 8mm.
- Inner coated by anti-abrasion alloy
Cast steel pipe Ф 325 x 12,5, Cerametal layer 4,5 mm thickness.
anti-abrasion
Technical specifications of Cerametal alloy
C: 4,0÷ 5,5%; Cr: 24,0÷ 30,0%; Mn:

0,5÷ 2,5%; Si: 0,5÷ 1,5%; Others: 1%;
Hardness: 60- 62 HRc;
(equivalent or better)
- Steel pipe has 2 layers of paint, including 01
anti-rust coating layer and white coating
outside layer.
(reference to drawing OTX-01)

Cast steel pipe Ф 426 x 15

Cast steel pipe Ф 426 x 15, steel C45
(equivalent or better)
Steel pipe has 2 layers of paint, including 01
anti-rust coating layer and white coating
outside layer.

b. Demonstrated documents
E-BID is evaluated as qualified documents proving the code marks and specifications
of the goods offered for sale when meeting the following requirements:
- The Contractor must provide documents proving that the code marks and
specifications of the goods meet or are equivalent or better than the requirements of EPROPOSAL in E-BID. Documents are available in Vietnamese or English language.
Technical documents, technical data, slag discharge pipe specifications and fittings
must be verified by the manufacturer.
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- The Contractor must have specific instructions in the document for each item of
goods, marking the model on the specifications of the goods in the document
(Documents without specific instructions will not be considered for evaluation.).
- In case of offering the same or better goods, in addition to the documents for the

offered goods, the Contractor must make a comparison table to prove the similarity or
the better of the goods. Comparative table to prove the equivalence or better of goods
is considered as a document part of goods. The proofs are presented in Vietnamese or
English language. If the Contractor fails to provide the proof of equivalence, it is
deemed that the item does not meet E-PROPOSAL .
2.2. Warranty, maintenance and commitments
- Requirement of warranty and maintenance:
Name of goods and related
Item
Requirement of warranty
services
1

2

3

Iron elbow 90 Ф 273 x 10

12 months from the date of handing over
Product requirements are put into use within
12 months after being put into operation with
an abrasion not exceeding 0.45 mm. The
Contractor must have a product warranty
commitment required by E-PROPOSAL.
After 12 months from the date of putting the
Iron elbow 90 Ф 325 x 12mm; slag discharge pipe into operation, the
R = 1350mm, high anti- Investor and the Contractor shall together
abrasion
inspect and measure the remaining thickness

of the slag discharge pipe, thereby
determining the abrasion of the pipeline. If the
abrasion of the pipe exceeds 0.45mm, the
Contractor is responsible for compensating
the entire amount of slag discharged pipes as
required by the contract.
Product requirements are put into use within
12 months after being put into operation with
an abrasion not exceeding 0.45 mm. The
Contractor must have a product warranty
commitment required by E-PROPOSAL.
After 12 months from the date of putting the
slag discharge pipe into operation, the
Iron elbow 120; Ф 325 x 12;
Investor and the Contractor shall together
anti-abrasion
inspect and measure the remaining thickness
of the slag discharge pipe, thereby
determining the abrasion of the pipeline. If the
abrasion of the pipe exceeds 0.45mm, the
Contractor is responsible for compensating
the entire amount of slag discharged pipes as
required by the contract.
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Item

Name of goods and related
Requirement of warranty

services

4

Hose clamp DN300 and fittings 12 months from the date of handing over

5

Cast steel pipe Ф 273 x 10

6

Product requirements are put into use within
12 months after being put into operation with
an abrasion not exceeding 0.45 mm. The
Contractor must have a product warranty
commitment required by E-PROPOSAL.
After 12 months from the date of putting the
slag discharge pipe into operation, the
Cast steel pipe Ф 325 x 12,5,
Investor and the Contractor shall together
anti-abrasion
inspect and measure the remaining thickness
of the slag discharge pipe, thereby
determining the abrasion of the pipeline. If
the abrasion of the pipe exceeds 0.45mm, the
Contractor is responsible for compensating
the entire amount of slag discharged pipes as
required by the contract.

7

Cast steel pipe Ф 426 x 15

12 months from the date of handing over

12 months from the date of handing over

- Commitments: Requesting the Contractor to commit:
+ Commit to supply 100% brand new and the goods are preserved according to
the manufacturer's recommendations before handing over at Hai Phong Thermal Power
Joint Stock Company.
+ Commit the progress as stated in E-PROPOSAL.
+ Commit to provide manual and storage instructions of the manufacturer on
delivery. Documents provided in Vietnamese or English language.
+ Commit to product warranty under E-PROPOSAL.
+ Commit to supply the original (or certified copy) of the quality certificate, the
certificate of origin for the imported materials or the certificate of goods to ensure the
manufacturer's quality standards (QC) for domestic supplies, specifically as follows:
+
No.
No.
Requirement of CO, CQ or QC
1
2
3
4
5
6

Item 1
Item 2
Item 3
Item 4
Item 5
Item 6

CO,CQ or QC
CO,CQ or customs declaration
CO,CQ or customs declaration
CO,CQ or QC
CO,CQ or QC
CO,CQ or customs declaration
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7

Item 7
CO,CQ or QC
+ The contractor must have a commitment to accept sampling and analysis
when requested by the investor.
2.3. Progress of supply and origin of goods
- Progress: Meet the progress requirements mentioned in Part V, chapter 2,
section 1.
Origin of goods: Request the Contractor to state the origin of goods in E-BID.
"Origin" means the country or territory where all goods are produced or where the
final stage of basic processing is carried out for the goods in case that more than one
country or territory participates in manufacturing process.
3. Other requirements

- Product requirements must ensure consistency, technology compatibility and
installation dimensions with the equipment system installed and operating at Hai
Phong Thermal Power Joint Stock Company.
- Lists of goods in E-PROPOSAL are not available or have but do not meet the
technical specifications that require the Contractor to conduct field survey in the case
of survey, the Contractor must send a written request to the bid solicitor, the bid
solicitor shall send a written notice to bidders and organize a conference to exchange
and provide relevant documents or send a guide to contractors to conduct field surveys
about the contents of bidding dossier (the contractor and its stakeholders will be
responsible for their own risks such as accidents, losses, damages). After the contractor
and the investor conduct a field survey, the parties will set a minutes to determine the
specifications of the goods; This minutes is an integral part of E-PROPOSAL and is
the basis for the Investor to evaluate E-BID.
- Organizing goods quality inspection and acceptance:
+ Checking and accepting goods at the place of delivery.
+ The Contractor must provide all technical documents of the goods that he
provided to the Purchaser before organizing the acceptance.
+ The buyer shall check the specifications, marks and codes of goods based on
E-PROPOSAL technical standards for goods provided by the contractor.
The Contractor has all vehicles to transport the goods to the shipper’s warehouse.
4. Drawings:
E-PROPOSAL accompany with a number of drawings for reference by the
Contractor, suggesting the Contractor's actual survey to complete the necessary
specifications before supplying / manufacturing.
List of drawings
No.
of
Name of drawing
Remark
drawing

OTX-01
Detail of slag discharge pipe DN300
Item 6
OTX-02
Detail of hose clamp and fittings
Item 4
5. Inspection and testing
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The Investor has the right to inspect and test the goods provided to confirm that
the goods have the technical characteristics in accordance with the requirements of EPROPOSAL.
If the test results meet the technical requirements, the bid solicitor shall cover all
testing costs, otherwise if the test results fail to meet technical requirements, the
contractor shall cover all the testing costs and expenses and other arising.
Any goods that have been tested inconsistent with the contractual specifications,
the Investor has the right to refuse and the Contractor is responsible for replacing them
with other goods or making necessary adjustments to properly meet technical
requirements. In case the Contractor is not able to replace or adjust the inappropriate
goods, the Investor has the right to organize such replacement or adjustment if
necessary, all risks and related costs due to the Contractor’s obligation.

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