STANDARD TECHNICAL SPECIFICATION FOR SIGHT FLOW INDICATOR VOLUME - IIB. SPECIFICATION No: PES

Transcription

1 STANDARD TECHNICAL SPECIFICATION FOR SIGHT FLOW INDICATOR VOLUME - IIB SPECIFICATION No: PES BHARAT HEAVY ELECTRICALS LIMITED POWER SECTOR PROJECT ENGINEERING MANAGEMENT DIVISION NOIDA, INDIA

2 SPECIFICATION FOR SIGHT FLOW INDICATORS SPECIFICATION NO.: PES VOLUME II B SECTION D REV. NO. 01 DATE : SHEET 1 OF SCOPE This specification covers the Design, Manufacture, Inspection and Testing at the manufacturer s works, proper packing for transportation and delivery to site Sight flow indicator (Flapper type) for use in Utility/Captive Power Station/Combined Cycle Station. 2.0 CODES AND STANDARDS 2.1 All the equipments specified herein shall comply with the requirements the latest issue the relevant National and International standards. 2.2 The Design and Materials used for the components shall also comply with the relevant National and International standards. 2.3 As a minimum requirement, the following standards shall be complied with : Spring : IS:1385 Weldneck flange : IS:6418/DIN TECHNICAL REQUIREMENTS 3.1 General: The flow indicator shall be suitable for: i) Vertical upward flow - VU ii) Vertical Downward flow - VD iii) Horizontal flow (L) - HL (spring loaded flapper) iv) Horizontal flow (R) - HR 3.2 Material: The material different parts SFI shall be as per the enclosed data sheet. 3.3 The primary element the indicator shall be a vane, spindle and toughened glass window to indicate the flow the water. 3.4 The glass window shall be suitably graduated in M 3 /Hr. to indicate the discharge the water. The calibration shall be 10% more than the specified discharge. Marking shall be at 25, 50, 75, 100% flow. The pointer should be capable indicating 10% extra flow on the scale. 3.5 Process connection: Weld neck flange as per IS:6418/DIN Pressure: Maximum working pressure - 10 Kgf/cm2 Test pressure (Hydraulic) - 20 Kgf/cm2 3.7 Working temperature : 100 Deg. C 3.8 Accuracy : + 5% to the full scale value.

3 4.0 TESTING AND INSPECTION SPECIFICATION FOR SIGHT FLOW INDICATORS SPECIFICATION NO.: PES VOLUME II B SECTION D REV. NO. 01 DATE : SHEET 2 OF The bidder shall adopt suitable quality assurance program to ensure that the equipments fered will meet the specification requirements in full. 4.2 The bidder shall furnish the Quality Plan in the format enclosed in volume-iii. In case the Quality Plan(s) is/are included in volume-iib, the bidder shall furnish his Quality Plan strictly in line with the same. The Quality Plan shall be discussed and finalised with the technically accepted bidders before opening the price bid. The stages where the purchaser would like to be associated for witnessing or verification would be indicated by the purchaser in the Quality Plan before approval. 4.3 The following test shall be conducted as a minimum requirement. i) Calibration Test 4.4 Inspection will be conducted by BHEL and/or their authorised representative(s) as per the agreed inspection schedule. The inspection schedule will be submitted by the bidder for BHEL s approval at contract stage. The cost all tests and inspections will be deemed to have been included in the bid. For all the items, Type Test Certificates as per agreed Quality Plan shall be furnished. In the absence the same, such Type Tests shall be arranged at the Vendor s works in the presence BHEL and/or their authorised representatives or in independent Test House/ Laboratory approved by BHEL. 5.0 SPARES AND CONSUMABLES 5.1 Recommended Spares The bidder shall furnish a list Recommended Spares along with the normal service expectancy period and frequency replacement; quantities recommended for 3 years operation along with unit rate against each item to enable BHEL/BHEL s Customer to place a seperate order later, if required. 6.0 DRAWINGS AND DOCUMENTS 6.1 The bidder shall furnish the following documents in required number copies along with the bid : Data sheet-b, completely filled-up along with all enclosures Quality Plan Catalogs wtih detailed technical information Bar-chart to indicate the time schedule for procurement, manufacture, testing and despatch. 6.2 The successful bidder shall furnish the following documents in required number copies during the contract stage : For approval i) Dimensional/Installation drawings. ii) Data sheet-c, completely filled-up along with all the enclosures. iii) Quality Plan vendor/sub-vendor. iv) Test Certificates.

4 SPECIFICATION FOR SIGHT FLOW INDICATORS SPECIFICATION NO.: PES VOLUME II B SECTION D REV. NO. 01 DATE : SHEET 3 OF Final/As-built Drawings Final/As-built drawings/rtfs in required number copies shall be submitted. 6.3 Operation & Maintenance Manuals O&M Manuals in required number copies shall be submitted. O&M Manuals shall also contain storage & commissioning instructions. 7.0 MARKING AND PACKING 7.1 Marking 7.2 Packing A stainless steel name-plate shall be permanently fixed on each equipment giving its Tag Number and technical specifications. All equipment/materials shall be suitably packed and protected for the entire period despatch, storage and erection against impact, abrasion, corrosion, incidental damage due to vermin, sunlight, high temperature, rain, moisture, humidity, dust, sea- water spray (where applicable) as well as rough handling and delays in transit and storage in open. 8.0 APPLICABLE DATA SHEET FORMS This document shall be read with one or more the following data sheet forms : - Data sheet A&B for Sight Flow Indicator (Flapper Type) : Data sheet no. PES DS1-0 - Data sheet C for Sight Flow Indicator (Flapper Type) : Data sheet no. PES DS2-0

5 TAG No.. Qty... DATA SHEET FOR SIGHT FLOW INDICATOR (FLAPPER TYPE) Data Sheet A & B DATA SHEET-A FOR SIGHT FLOW INDICATOR (DISPLACER TYPE) (TO BE FILLED BY PURCHASER) SPECIFICATION NO.: VOLUME SECTION REV. NO. DATE: SHEET 1 OF 2 Data Sheet No.: PES DS1-0 DATA SHEET-B (TO BE FILLED-UP BY BIDDER) GENERAL MANUFACTURER MODEL NUMBER TECHNICAL DIRECTION OF FLOW VU VD HL HR TYPE SCALE ON GLASS FLAPPER WINDOW : SINGLE DOUBLE YES MATERIAL 1. Body CAST STEEL WITH ANTICORROSIVE PAINT SS Flapper SS Window BOROSILICATE 4. Gasket NEOPRENE 5. Spindle BRASS 6. Spring PHOSPHER BRONZE RUBBER LINING YES NO ACCURACY ACCURACY + 5% CONNECTION TYPE SCREWED BSP FLG MATING FLANGE YES NAME SIGNATURE DATE NAME SIGNATURE DATE

6 TAG No.. Qty... DATA SHEET FOR SIGHT FLOW INDICATOR (FLAPPER TYPE) Data Sheet C SPECIFICATION NO.: VOLUME SECTION REV. NO. DATE: SHEET 1 OF 2 Data Sheet No.: PES DS2-0 DATA SHEET-C FOR SIGHT FLOW INDICATOR (FLAPPER TYPE) (TO BE FILLED BY CONTRACTOR AFTER AWARD OF CONTRACT) GENERAL MANUFACTURER MODEL NUMBER TECHNICAL DIRECTION OF FLOW TYPE SCALE ON GLASS MATERIAL 1. Body 2. Flapper 3. Window 4. Gasket 5. Spindle 6. Spring RUBBER LINING ACCURACY CONNECTION ACCURACY TYPE MATING FLANGE NAME SIGNATURE DATE NAME SIGNATURE DATE

7 PEM :: C&I Sl. No. Component / operation 1.0 Material / Components 1.1 Body, Cover, Interns, Flanges, Gaskets Characteristics Checked 1. Physical, Chemical Properties 2. Workmanship, finish and dimensions STANDARD QUALITY PLAN FOR SIGHT FLOW INDICATOR * Cate gory MA MA Type/Method Check Physical, Chemical Test Visual, Measurement Extent Check One Sample from each lot Reference documents 100% Manufacturing standards / drgs. Acceptance Norms Manufacturing standards / drgs. QUALITY PLAN NO.: PE-QP I029 VOLUME SECTION IIB D REV. NO. 00 DATE: SHEET 1 OF 2 Format Records Test Certificate Inspection Report / Log Book Agency $ P W V Remarks 3/ ,1# # Compliance certificate to be verified. 3/ ,1# 1.2 Window Glass Strength, Transparency, dimensions MA Toughness & Thermal shock, Visual, Measurement one sample from each lot Test Certificate/ Inspection Report ,1# 2.0 Assembly 1. Marking Tag No., Model, Range MA Visual 100% - do - - do - Inspection Report Workmanship MA Visual 100% - do - - do - - do Direction flow stamping MA Visual 100% - do - - do - - do Dimensions and end connections MA Measurement 100% - do - - do - - do Routine Test 1. Operation, Calibration CR Measurement 100% - do - - do - - do - 2 1** 1 For flapper type 2. Hydro Test CR Measurement 100% - do - No Leakage - do - 2 1** 1 **10% quantity with minimum 1 piece / type & size LEGEND: * CR - Critical characteristics $ P - Agency Performing the Test. 1 - BHEL MA - Major characteristics W - Agency Witnessing the Test. 2 - Vendor MI - Minor characteristics V - Agency Verifying the Test. 3 - Sub-vendor

8 PEM :: C&I Sl. No. Component / operation Characteristics Checked STANDARD QUALITY PLAN FOR SIGHT FLOW INDICATOR * Cate gory Type/Method Check Extent Check Reference documents 4.0 Painting Shade & Finish MA Visual 100% Acceptance Norms QUALITY PLAN NO.: PE-QP I029 VOLUME SECTION IIB D REV. NO. 00 DATE: SHEET 2 OF 2 Format Records Inspection Report Agency $ P W V 2 1** 1 Remarks 5.0 Packing Soundness MA Visual 100% - do - - do - - do LEGEND: * CR - Critical characteristics $ P - Agency Performing the Test. 1 - BHEL MA - Major characteristics W - Agency Witnessing the Test. 2 - Vendor MI - Minor characteristics V - Agency Verifying the Test. 3 - Sub-vendor