22 Kg/Sq.cm gauge at 55deg C. As per Design Code requirement. 100% requiredfor entire vessel

Size: px

Start display at page:

Download "22 Kg/Sq.cm gauge at 55deg C. As per Design Code requirement. 100% requiredfor entire vessel"

Justin Day
6 years ago
Views:

1 LPG PRESSURE VESSEL FOR AUTO LPG PURPOSE S.NO. DESCRIPTION 1 Service Propane PARTIES CONFIRMATION 2 Type Underground 3 Design Code ASME - Sec VIII- Div II 4 Capacity (Water) KL 7.5 KL / 10 KL 5 Working temperature Ambient 6 Design Pressure - Kg/Sq.cm. 22 Kg/Sq.cm gauge at 55deg C 7 Test Pressure As per Design Code requirement 8 Design Temp -46 deg C to + 55 deg C 9 Radiography 100% 10 Stress Relieving 100% requiredfor entire vessel 11 Joint Efficiency 1 12 Corrosion Allowance 1.5mm 13 Type of ends Torispherical 14 Material of construction a Shell / Dish ends 15 Inspection By SA 537 Class1 / SA 516 Grade 70 (Impact tested for low temperature applications) CCOE approved Third party Inspection Agency

2 16 Fittings on Vessels 2 nos Safety Relief Valves (Minimum) As per SMPV rules and Indian Auto LPG standard (draft) 1 no. Rochester gauge 1 no. Magneto restrictive type level gauge with two nos remote display, one at Fill point and one in the sales room One no. pressure switch for tripping of the pump. High and low level alarm to actuate at predetermined levels 17 Fittings outside the vessels Remote Operated valve on Liquid and vapour lines for product receipt and discharge. Excess Flow Check valves on liquid and vapour lines SRV provided with supports from the Top of the Tank Water drain line provided with two valves and blind flange 18 Protective Coating As per specs and certified by TPIA for make, thickness and correct application 19 Dead Storage of bullet Vendor to specify in % and in Liters 20 Presure vessels should confirm to SMPV rules

3 21 Pipework Above ground Sch 80 for pipes upto 50 NB & Sch-40 for pipes above 50 NB. Sch 80 for Under ground pipes. Flange connections ANSI 300 class. The entire pipelines should be suitable for low temperature PUMP CHAMBER PRIMARY AND SECONDARY VALVES AND OTHER INSTRUMENTS The valves to be supplied in acordance with Parties Confirmation 1 The P&ID's approved by HPCL 2 Confirming to Australian/ European Standards 3 As per applicable Indian standards / IE Rules 1956, OISD 210 and SMPV rules 4 Surface mounted ( Flush type full internal pressure relief valves) should not be allowed

4 S.NO. DESCRIPTION 1 CATHODIC PROTECTION a b c d e f g Cathodic Protection system to the Underground LPG Tank should protect the Tank from Corrossion. The life of the Cathodic Protection system shall be min 15 years. The system consists of : Pre Packed sacrificial anodes Reference elctrode Earth electrode FLP Junction Box Cabling Anti corrosive coatings As per applicable Indian standards / IE Rules 1956 or Equivalent European Standard PARTIES CONFIRMATION 2 LPG CONTROL PANEL a b c d e The LPG control panel to be supplied shall comply with the following specifications: Designed to Australian / European standards / IE Rules 1956 To provide an interface between the dispenser and the submersible pump such that the pump operates only when dispensing nozzle is removed from its holder / On/off switch on the dispenser is turned on. To control the ESD system To provide an interface between the Tank management system, submersible pump & Unloading pump such that i) The pump can not run with the liquid level lower than the preselected low level ii) The tank/s can not be filled above the preselected High level (85%). Suitable alarms to be provided. To control the selection of tanks for unloading / dispensing.

5 3 Electrical works including earthing of the vessels & entire system As per OISD / CCOE and indian Electricity Rules. Two earth pits as per IS 3043 and 50*6 mm size Al earth strips for providing earthing to Fill point, LPG dispenser and LPG T/T. LIST OF DRAWINGS / DOCUMENTATION 1 P&ID 2 Underground LPG tank - Civil drawing 3 Rigid fencing drawing 4 Tank fabrication details 5 Dual hose LPG Dispenser 6 LPG pump details 7 LPG Piping details 8 Cathodic protection 9 Emergency shutdown system 10 Design calculations of bullets 11 Hazardous Area classification Any other drawing required by statutory 12 authorities Parties Confirmation

6 DUAL HOSE DISPENSER S.NO. SPECIFICATIONS / CODES / MAKES 1 Standards Compliance European standards or Australian national standards commission (NSC) Document 101 (Equivalent to OIML) of Australian Standards PARTIES CONFIRMATION 2 Design Temperature -26 deg C to + 55 Deg C 3 Certification Vendor to specify (NSC- 10/1/13) 4 Frame & Panels Vendor to specify 5 Hydraulic System Vendor to specify 6 Electrical Equipment Vendor to specify All electrical equipment should be Flameproof, Explosionproof and appropriate for Zone I & II use, approved by CCOE Nagpur, India 7 Performance a Flow rate (each Nozzle) Minimum 10 LPM b Flow rate (each Nozzle) Maximum 50 LPM c Maximum operating pressure 23.8 bar d Design Temperature -26 to +55 DegC e Accuracy -/+ 0.5% f Total Volume display range units g Total value display range units(variable decimal point) h Unit price display range units(variable decimal point)

7 i Cumulative Volume display range Upto units. j Cumulative value display range units k Data retention Vendor to specify 8 External Communication Vendor to specify 9 10 Electrical & Environmental Nozzle / Filler connection and at outlet Main Supply 240 V Operating Temp -10to +55 Deg C Humidity 0-90% )Noncondensing) This should be suitable for an automatic quick disconnecting type / self sealing which should be capable of making leak proof joint with the filler connection. DISH Type italian connection 11 Hose Details Hose shall be supported through High mast or with hose retraction system. Vendor to submit brochure showing this detail of the dispenser. 12 Preset Values 13 Brochure of the dispenser Dispenser shall be capable of dispensing Preset value of Volume and also preset Price. Brochure of the dispenser to be submitted.

8 SUBMERSIBLE PUMP S.NO. SPECIFICATIONS / CODES / MAKES European standards / 1 Standards Compliance Australian standards PARTIES CONFIRMATION 2 Fluid parameters -26 deg C to + 55 Deg C a Product pumped Propane / LPG b LPG Working temperature range 5 deg C to + 50 Deg C c Design temperature -46 deg C to + 55 Deg C d Density 0.48 to 0.53 e Kinematic m2/sec 0.34 tp 0.17 f Dynamic -centipose 0.19 to LPG PUMP MODEL Manufacturer Vendor to specify Australian Certification AUS ExEX3129X / European Equivaleny includin CCOE in Certification India Type of motor protection ExsIIAT4 for Class 1 Zone 0 4 PUMP a Pump Type Vendor to specify b Pumping performance Min 65 LPM at 700 kpa differential pressure c Bearings Vendor to specify 5 MATERIAL a Body Vendor to specify b Cover Vendor to specify c Discharge head Vendor to specify d Casing Vendor to specify e Bearing Vendor to specify f Impellers Gun metal / Elastomers 6 Motor Vendor to specify a Motor type Vendor to specify Rating Vendor to specify ExsIIAT4 for Class 1 Zone 0. Indian certification by CCOE

9 DETAILS OF THE MAKES OF THE EQUIPMENTS S.NO. Equipment 1 LPG Dispenser 2 Submersible Pump ByPass Valve for 3 submersible pump Underground LPG tank 4 (Tank fabricator details) 5 Cathodic Protection 5.a Sacrificial Anode 5.b Reference Electrode 5.c Inline Connection kit 5.d Thermit Welding 5.e Insulating Gasket 5.f FLP Junction Box 6 Level Indicator 7 Safety Relief Valve 8 Excess Flow valve Remote Operated 9 Valve 10 Ball Valve 11 Pressure gauge 12 Temperature Gauge 13 Non return valve 14 Strainers 15 Unloading Pump Bypasss valve for 16 Unloading pump 17 Mass flow meter 18 Servo stabiliser 19 LPG control panel 20 Electrical panel Make & Model No. CCOE Approval reference ( wherever applicable) Brochure attached

SPECIFICATION OF LPG COMPRESSOR (65CFM)

68 SPECIFICATION OF LPG COMPRESSOR (65CFM) A. GENERAL Service : LPG No. of compressors : 2 Nos.(1-operating, 1-standby) Code of construction : API 618 Vol. Bottles cont. code : ASME Section VIII Div.I