Manufacturing Specification For 2151-1-n-a0-130 Silencer Supports

Titolo

Identificativo

title

Rev.

document no.

MANUFACTURING SPECIFICATION FOR

2151-1-N-A0-130 Volume N.

SILENCER SUPPORTS

Pag.

rev.

page

0

Di of

1

4

Prodotto/Struttura

volume no.

product/structure

UB Tipo doc.

Emittente

Doc. type

Edizione in lingua

issued by

ACB Commessa

rev.

ENGLISH Cliente

Project

2151

Rev.

derived from

Progetto

job no.

Client

OPG UNIT – II 80 MW

Rev.

Descrizione

Rev.

0

Derivato da

language

kind of revision

First Issue

CED

0

B.MAGESH

J.THIRU

C.S.G

U

14.10.09

Rev

St.

Sc.

Preparato

Controllato

Verificato

Verificato

Verificato

Approvato

Data

Rev.

st.

sc.

prepared

checked

checked

checked

checked

approved

Date

Progetto

Identificativo

project

document no.

OPG UNIT – II 80 MW

2151-1-N-A0-130

CONTENTS 1.0

FOREWARD

2.0

SCOPE OF WORK

3.0

CODES AND STANDARDS

4.0

TECHNICAL SPECIFICATION

5.0

SUPPLIER DOCUMENTATION

6.0

PAINTING

7.0

PACKING AND DESPATCH

8.0

TIME SCHEDULE

9.0

SHOP DRAWINGS LIST

ANNEXURE-I 1.0

EXTERNAL PIPING AND SUPPORTS PAINTING SPECIFICATION

Rev. rev.

0

Pagina Page

2

Di of

4

Progetto

Identificativo

project

document no.

OPG UNIT – II 80 MW

1

Rev. rev.

2151-1-N-A0-130

0

Pagina Page

Di of

3

4

FOREWORD 1.1 Ansaldo Caldaie Boilers (ACB) is presently executing a 1 x 320 TPH Utility Boiler package for OPG POWER GENERATION PVT LTD at Ennore, India. ACB scope includes the following packages, Utility Boiler Package

 1.2

The present documents contain the technical prescriptions and describe the activities to be carried out for the manufacture, assembly & supply of Silencer supports (Non pressure part) for OPG POWER GENERATION. The Silencer supports fabrication consists of

   

Box Channels Gusset plates Columns



The Quantities indicated are for One (1) Boiler

2.0 SCOPE OF WORK The activities required to the Supplier are the following: 

Manufacturing of Silencer supports as per ANSALDO shop drawings.



Inspection and testing of the components as per ANSALDO approved QCP.



Painting, preservation, unloading, packing and shipping .

3.0 CODES AND STANDARDS The manufacturing shall be done as per ANSALDO drawing . All elements shall be hard stamped with DU number identified in the ANSALDO drawing and this mark shall be used when it’s necessary refer to it. ANSALDO CALDAIE quality control plan document.

as enclosed with this

4.0 TECHNICAL SPECIFICATION 4.1 Supply Description 4.1.1Purchaser shall supply raw material for Structure will be a free issue (i.e., Channels, beams, plates etc.) and the Manufacturer shall make necessary holes drilling, machining, welding, profile cutting etc as per ANSALDO shop drawing. 4.1.2The manufacturer as supplied components shall be strictly in accordance with this specification, approved drawings, QCP, relevant codes and Good engineering practices. Any deviation or clarification shall be specifically listed and Purchaser’s acceptance obtained. In the absence of any such list, it will be considered that the scope of work shall be in full compliance with all the requirements stated in this document and relevant attachments. 4.1.3Manufacturer shall be responsible for the quality and satisfactory workmanship of the components manufactured and supplied, which shall fully comply with the requirement of the Contract / Drawings / Specifications / QCP. 4.1.4All welding shall be done with qualified welders. These procedures and supporting records must be made available for Purchaser review and acceptance before starting the job.

5.1

Progetto

Identificativo

project

document no.

OPG UNIT – II 80 MW

Rev. rev.

2151-1-N-A0-130

0

Pagina Page

Di of

4

4

5.0 SUPPLIER DOCUMENTATION Supplier will produce the Fabrication document as per approved quality control plan. The packing and shipping documents as per purchase order.

5.2

6.0 PAINTING The painting shall be as per ANSALDO Painting specification (Refer Annexure -1 )

7.0 PACKING AND DESPATCH 7.1.

All materials shall be adequately marked before the despatch indicating D.U number

7.2.

Packing crates/bundles number, drawing number, part number and name of component.

7.3.

In any case the supplier will be responsible for proper and good packing of materials and parts. Equipment shall be wrapped in polythene sheets before being placed in crates/cases to prevent damage to finish.

7.4.

Crates / cases shall have skid bottom for handling.

7.5.

Special notations such as ‘Fragile’, ‘This side up’, ‘Centre of gravity’, ‘Weight’, ‘Owner’s particulars’, ‘PO Nos.’ etc. shall be clearly marked on the package together with other details as per purchaser order.

7.6.

The equipment may be stored outdoors for long periods before installation. The packing shall be completely suitable for outdoor storage in areas with heavy rains/high ambient temperature, unless otherwise agreed.

8.0 TIME SCHEDULE The supply shall be delivered according the requirements of the purchaser order .

9.0 SHOP DRAWING LIST SL.N O

REV DOCUMENT NO

DESCRIPTION

1

2151-1-N-C5-667

00

SUPPORTY DRAWING FOR MAIN STEAM SAFETY VALVE SILENCER

2

2151-1-N-C5-668

00

SUPPORT DRAWING FOR START UP & ERV SILENCER

3

2151-1-N-C5-669

00

4

2151-1-N-C5-670

SUPPORT DRAWING FOR DRUM SAFETY VALVE SILENCER-I SUPPORT DRAWING FOR DRUM SAFETY VALVE SILENCER-II

00

ANNEXURE-I (WILL BE FURNISHED LATER) SL.N O 1

REV DOCUMENT NO 2151-1-N-A0-120

00

DESCRIPTION EXTERNAL PIPING AND SUPPORTS PAINTING SPECIFICATION