PE-D-A06124222143-01-ME-DAS-015-01-E_Net Oil Storage Tanks_TFRJ-33-TK-1101A_B

Mechanical Data Sheet for Net Oil Storage Tanks TFRJ-33-TK-1101 A/B

01

2 5 . 0 3 . 2 01 3

First Issue-FEED Phase

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DATE

DESCRIPTION

RF

LCM

IT

PREPARED

CHECKED

APPROVED

ORIGINATOR

APPROVED

COMPANY

PROJECT NAME: MODERNIZATION PROJECT OF TANK FARM CIRESU

PROJECT NUMBER:

DOCUMENT NUMBER:

ROA06124222143-01

PE-D-A06124222143-01-ME-DAS-015-01-E

PROJECT PHASE:

REVISION

FEED

01

PROJECT NUMBER:

DOCUMENT NUMBER:

SHEET

24966-01

24966-02-2171001

1 of 7

DATA SHEET NO. : PE-D-A06124222143-01ME-DAS-015-01-E

MECHANICAL DATA SHEET

REV. 01

SHEET __2__OF___7__  VERTICAL ATMOSPHERIC TANK PROJECT NO. : 06124222143 OWNER : OMV PETROM - Asset VI, Muntenia Central PLANT : Ciresu Tank Farm 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60

Item No. Equipment name Manufacturer

TFRJ-33-TK-1101 A/B NET OIL STORAGE TANKS

REV

DATE

01

16.05.13

NAME SIGNATURE REV

CHK'D LCM DATE

NAME

APPR. IT SIGNATURE

RF

Number required 2 SR EN 14015 Design code Place of manufacture (43) workshop Site-Location outdoor Special service

Requisition No. P & I-Diagram No.

BY RF

on site indoor

no CO2 H2S chloride sour gas service naphtenic acid yes no

PE-D-A06124222143-02-PS-PID-166/167 Compulsory calibration OPERATING DATA Product stored Holding temperature [°C] 45 [kg/m ] Product toxic yes no Density at 15 °C / holding t ° 895.5  /  874.6 Class of product NFPA Other n/a Kin. viscosity at min./ max. temp. [cSt] 62.06  /  4.506 Emission control 97/11/CE n/a Specific heat Cp [kJ/kg°C] 1.799 Erosion / Corrosion / Flash point / pour point [°C] 85  /  -27 H2S / Chloride content [ppm] / Vapor pressure [bar abs] 0.135 Tendency to foam yes no Max. pumping rate in / out [m³/h] 15  /  60 Operat. temp. min. / max. [°C] 30  /  45 Nominal capacity (brutto) [m³] (**) (2) Operat. press. min. / max. [bar g] 0.020  /  0.025 Net work. capacity [m³] 840 (1) (58) Relief valve set press. [bar g] 0.010  /  0.050 Liquid level low / high [m] 1  /  11 (30) (33) (3) MECHANICAL DATA Design met al temp. min. / max. [°C] -29  /  +100 Joint efficiency [%] Design pressure : [bar g] 0.010  /  +0.050 Corrosion allowance: Test press. : hydrostatic [bar g] full of water - tank shell / fixed roof / bottom [mm]  / /  pneumatic [bar g] - retention shell / double shell [mm]  /  [kg/m ] Specific design gravity 1019  - int.floating roof / ext. floating roof [mm]  /   - st ructurals ( roof girder s etc. ) [ mm] (on each side) Tank size : Roof to shell detail  acc. code (by vendor)  - inside diameter [mm] 9000 Wind girder : n/a  - height [mm] 9700 - top (used as walkway) yes no (59) (52)  - intermediate yes no Tank with retention / double shell : Roof type fixed roof selfsupported supported  - inside diameter [mm]  /  cone (angle to horiz. acc. code) dome (6)  - height from bottom (minimum) [mm] Floating roof type external floating internal floating pontoon type (51) by vendor No. of shell courses : Type of seal design (50) n/a  - tank shell  - retention shell Roof plate joint seams lap butt  - thickness [mm] Plate width and thickness incl. corr. allowance: (4) (4) Undertank leak detection yes no Plate width Plate thickness (8) [mm] [mm]  - type No. Tank Shell Retent. Shell Tank Shell Retent. Shell Cathodic protection yes no by others 1 2000 n.a. 12 n.a.   type 2 2000 n.a. 12 n.a. PWHT / Stress relieving yes no 3 2000 n.a. 10 n.a. yes no  - process requirement 4 2000 n.a. 10 n.a. complete tank 5 2000 n.a. 10 n.a. n/a  - partial stress relieving yes no 6 2000 n.a. 8 n.a. required by Code 7 Gas blanketing yes no 8+  - pressure [bar g] 0.025  - type of gas Nitrogen Tank bottom : (4)  - bott. plate thickness [mm] Type of foundation concrete ring wall concrete base plate  - bottom plate seams lap butt earth foundation  - slope 10 [mm/m] to centre from centre no Foundation loads : [mm/m] to one side (see also sheet 7)  - max. moment at base [kg m] by vendor Annular plate : yes no  - max. shear force at base [kg] by vendor (4) - width [mm]  - thickness [mm] Foundation anchors : (7) Draw-off sump : yes no  - no. of anchors / size  /  (4) (5) - diameter / height [mm] 600  /  200  - anchor circle diameter [mm]  - plate thickness [mm] 10  - North = 0° first anchor at x°

MECHANICAL DATA SHEET

DATA SHEET NO.: REV. PE-D-A06124222143-01-ME01 DAS-015-01-E

SHEET __3__OF___7__ 

VERTICAL ATMOSPHERIC TANKS PROJECT NO. : OWNER : PLANT : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66

Item No.

06124222143 OMV PETROM - Asset VI, Muntenia Central Ciresu Tank Farm

TFRJ-33-TK-1101 A/B MATERIAL SPECIFICATION Shell, Retent. shell / bottom S235J2  /  Fixed roof / Floating roof S235J3  /  Nozzle pipe / flanges P265GH Ext. attachments / Structurals Floating roof seal (45) Heating coil / internals  /  Bolts int ernal / ext ernal  /  Nuts internal / external  /  Gaskets internal / external  /  Foundation anchors 4.6 Earth. lug / name plate / supp. CS  / SS Liquid jet mixer Water spray / foam piping  / 

REV

DATE

01

16.05.13

Equipment name

BY RF

NAME SIGNATURE REV

CHK'D LCM DATE

NAME

APPR. IT SIGNATURE

RF

NET OIL STORAGE TANKS TANK INSULATION & HEATING S235J2 Insulation required yes no by others S235J2 (60) HC CC PP Insulation type P305GH - thickness shell / roof [mm] 100  /  100 Insulation supports yes no - Clip design x - support ring design x Tank heating required (32) yes no by others EN 13480 Design code (35) PED 97/23/EC Legal code Fluidgroup 1 2 /  CS Category I II III IV Module G H H3 Type of tank heating electr. heat transfer fluid Construction type bottom coil see sheet 13 ACCESSORIES suction heater tank heater Mixer: if required, see sheet 3 vendor design - circulation rate [No./h]  /  Electric supply : n/a  - side-entry mixer (sheet 3) yes no by others  - voltage / frequency [V] / [Hz] /    - top entry mixer yes no by others  - power [kW]  - liquid jet mixing nozzle yes no No. requ'd. : Heat transfer fluid - manufacturer / type (27)  /   - operat. temp. min. / max. [°C] /   - jet stream capacity [m³/h] total: (10) - operat. press. min. / max. [bar abs] /   - effective pressure [bar ga] est. (refers at nozzle inlet) Heater / coil design (15) (18) (16)  - total surface required [m²] (9) (25) Access steelwork yes no by others  - design temperature [°C] Stairs yes no  - design pressure [bar g]  - typ / angle to horizontal [°]  /   - corr. allowance (each side) [mm] Roof platform (34) (47) (39) yes, ° at circumfer. no  - hydrostatic test pressure [bar g] according to code Ladder / walkway (12) yes, see sheet ---no DESIGN Railing yes no Design code API 620 API 650 API 12F EN 14015  - around roof yes no Constr. code API 620 API 650 API 12F EN 14015  - to centre of tank (11) yes no Fire fighting NFPA EN 13656 Piping class SR EN 13480 Fire fighting system yes no see sheet Shell design Basic standard API EN 14015 Water spray lines : yes no API 650 Appendix A API 650 Appendix F  - tankroof yes no Roof design Basic standard API EN 14015  - tankshell yes no API 650 Appendix C (external floating)  - retention shell yes no API 650 Appendix H (internal floating) Foam connections : yes no Roof design information :  - tank yes no  - uniform life load [kN/m²]  - retention shell yes no  - special loads [kN/m²] to be advised later  - insulation load [kN/m²] Internal piping of : yes no  - snow load [kN/m²]  - swing line yes no n/a Frangible roof joint yes no - suction line (N- ) yes no n/a Emergency vent. acc. EN 14015 (13) yes no  - jet mixing nozzles yes no n/a Nozzle load calculation acc. to W.R.C. EN 13445  - nozzle NAPI 650 App. P Instruments / safety devices yes no by others  - allowable nozzle loads by manufacturer Tank gauge yes no by others  - min. nozzle loads acc. to spec. (22) Dip hatch with dip plate yes no Earthquake design yes no Sampling device yes no by others API EN 14015+P100 Setting marks yes 4 pcs. no Technical specification (additional) Earthing lugs yes 4 pcs. no  - seismic zone Corrosion gauge yes no  - zone factor Name plate : yes by others  - building category  - according to API EN (14)  - building ground factor  - engraved by Vendor by others Wind load: 2 Spares :  - wind pressure [kN/m ]  - gaskets [sets] 2  - according to specification NP-082-04 & SR EN 1991  - bolts / nuts [%] 10 (min. 1 of each)  - velocity [m/s]  - rupture disc [sets] yes no API EN 14015 Environmental data : Electrodes for field erection yes no  - min. / max. temperature [°C] -29 /   +40 Foundation annchors (48) yes no by others - m ax. average rainfall [mm /12h]

MECHANICAL DATA SHEET

DATA SHEET NO.: PE-D-A06124222143-01ME-DAS-015-01-E

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SHEET __4__OF___7__  VERTICAL ATMOSPHERIC TANK PROJECT NO. : OWNER : PLANT : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66

06124222143 OMV PETROM - Asset VI, Muntenia Central Ciresu Tank Farm

Item No.

REV

DATE

01

16.05.13

TFRJ-33-TK-1101 A/B INSPECTION Design Examination by: no Acc. to Romanian Low

Equipment name

Inspection acc. :

Field painting :  - retention shell

API

(41)

EN 14015

Inspection by : - shop - field - foundation (17) Conformity Marking

Client Client / Public authorities  Client / Public authorities / Vendor (19) (20) yes no TESTING Leak testing API EN 14015 - bottom Vacuum box - shell by hydrostatic test - fixed roof by hydrostatic and pneumatic test - floating roof n/a Mill test reports required yes, EN 10024 no - plate / flange / nozzle pipe  / /  - structural shapes - bolts, nuts / gaskets  /  Weld examination : - radiography (shell) - radiography (heating coil) Supplementary tests:  - ultrasonic (US)  - magnetic particle (MP)  - liquid penetration (LP) Test / Certif. for heat coil

NAME SIGNATURE REV

[HB]

n/a

CHK'D LCM DATE

NAME

APPR. IT SIGNATURE

RF

NET OIL STORAGE TANKS SURFACE TREATMENT Scale to be shotblasted in shop yes Shop painting (21) yes no (23) yes internal yes external yes - tank shell internal yes external yes  - bottom internal yes underside yes  - roof external yes underside yes - floating roof upperside yes underside yes Structural steel, stairway, etc. (9) painted Foam / spray piping on tank  - foam piping painted  - spray piping painted Applicable painting specification to be advised

Coating of tank (internal) : - tank bottom API EN 14015 Requ. Spec.  - height of coating on shell 100% (Acc. to PED)  - material yes no  - applicable specification yes no Coating of retention shell (internal.) : yes no (shell to bottom weld)  - retention shell bottom yes no  - height of coating on shell  - material EN 13480 others no  - applicable specification

Max. hardness of base material

BY RF

Pickling and passivating

no by others no n/a no n/a no no no no no no no n/a no hot dip galvanised hot dip galvanised hot dip galvanised later

yes yes

no no

n/a

yes yes

no no

n/a

yes

no

[m]

[m]

  CONSTRUCTION AND OPERATING DATA FOR MIXER / Guideline to be considered ATEX 94/9/EC see sheet 4, nozzle data list of shell CE-Marking required yes no f ixed-of fset ang le swive l- angle Mixer data by vendor: (45) continuously filling draw off Mixer model no. Motor - Manufacturer - Speed [rad/s] Liquid level control system yes no (39) - Installed power [kW] Liquiphant (44) Pressure switch Gear box Mixer drive (28) Motor Gear box belt - Ratio Techn. spec. for motor Spec.-number - Manufacturer Shaft coupling / Shaft seal Shaft seal mechanical packed stuffing box Shaft OD / Length from mount. flange [mm]  /  - shaft shut-off device yes no Shaft design solid hollow Vibration level (38) ISO 10816 Propeller dia. / number of blades [mm] / [no.]  /  Sound power level [dB(A)] Propeller blades removable from shaft yes no Sound press. level [dB(A)] Mounting flange [DN / PN]  /  Testing Dry perform. test Wet perform. test Details of swifel-angle arrangement Pressure / leakage test Details of shaft shut-off device BOLTING ISO metric bolts with reduced shank ISO metric bolts with reduced shank Nozzle Manhole inch (UNC/UN) stud bolts with 2 nuts inch (UNC/UN) stud bolts with 2 nuts flange bolting (46) flange bolting (46) WEIGHTS & SHIPPING INFORMATION ERECTION Erection weight [kg] appr. ~50000 Methode of erection : Filled with medium (24) [kg] appr.  - in one part (shop fabricated) (43) yes no Filled with water (24) [kg] appr.  - jacking up method yes no Total shipping weight [kg] appr.  - flotation method yes no Clips (platforms / ladder / pipes) [kg] appr.  - progressiv assembly and welding yes no Platform / stairs etc. (25) [kg] appr. Erection by others yes no Weight of side-entry mixer [kg] appr. Erection procedure (49) yes no n/a Item no. / No. required Location (Nozzle) Type / Design (29) To be operated at Circulation rate [1/h] Duration time [h]

DATA SHEET NO.: REV. PE-D-A06124222143-01-ME01 DAS-015-01-E

MECHANICAL DATA SHEET

SHEET __5__OF___7__ 

VERTICAL ATMOSPHERIC TANKS PROJECT NO. : OWNER : PLANT :

06124222143 OMV PETROM - Asset VI, Muntenia Central Ciresu Tank Farm

1 Item No. TFRJ-33-TK-1101 A/B 2 3 Code requirement for flange standard FLANGE 4 MARK NOZZLE NOZZLE FLANGE SIZE RATING FACING TYPE 5 DN PN WN/SO 6 7 (40) 8 9 N4 50 16 WN 10 N5 50 16 WN 11 N6 HOLD 16 WN 12 N8 50 16 WN 13 P1 50 16 WN 14 L1 50 16 WN 15 L4 50 16 WN 16 T2 50 16 WN 17 MH1 600 6 WN 18 19 20 21 22 23 24 25 26 27 28 Code requirement for flange standard FLANGE 29 MARK NOZZLE NOZZLE FLANGE SIZE RATING FACING TYPE 30 DN PN WN/SO 31 32 (40) N1 150 16 WN 33 WN 34 N2 200 16 WN 35 N3 100 16 WN 36 N7 50 16 WN 37 P2 50 16 WN 38 P3 50 16 WN 39 L2/L3 50 16 WN 40 T1 50 16 41 D1 50 16 WN WN 42 N8 100(hold) 16 43 MH2 600 6 WN 44 45 46 47 Notes 48 a) DN100 On hold,depending on Vendor 49 b) To be provided with steel access platform 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66

REV

DATE

NAME

01

16.05.13

RF

BY RF SIGNATURE REV

CHK'D LCM DATE

Equipment name NET OIL STORAGE TANKS FIXED ROOF - NOZZLE DATA LIST (34) ANSI API 650 SR EN 1759-1 SR EN 1092-1 GASKET TYPE DESCRIPTION

ORIENTATION north=0°

DISTANCE FROM CENTER

[°]

[mm]

Gas blanketing Gas outlet Press. / Vacuum Relief Valve Sample nozzle Pressure Gauge Level transmitter Level gauge Temperature transmitter Manhole

DESCRIPTION

Feed Inlet Net oil Outlet Off-spec net oil suction Overflow Pressure Gauge Pressure Gauge Level H/L switches Temperature gauge Drain Foam inlet Manhole

SIGNATURE

SR EN 14015 REMARKS

with Flame Arrestor

TANK SHELL - NOZZLE DATA LIST ANSI API 650 SR EN 1759-1 GASKET TYPE

NAME

APPR. IT

SR EN 1092-1 ORIENTATION north=0°

HEIGHT (26) FROM BOTTOM

[°]

[mm]

SR EN 14015 REMARKS

a);b)

MECHANICAL DATA SHEET

DATA SHEET NO.: PE-D-A06124222143-01ME-DAS-015-01-E

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SHEET __6__OF___7__  VERTICAL TANK PROJECT NO. : OWNER : PLANT : 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66

Item No.

06124222143 OMV PETROM - Asset VI, Muntenia Central Ciresu Tank Farm

REV

DATE

01

16.05.13

BY RF NAME SIGNATURE REV

CHK'D LCM DATE

NAME

APPR. IT SIGNATURE

RF

TFRJ-33-TK-1101 A/B

Equipment name NET OIL STORAGE TANKS REMARKS Applicable. (26) For the lower nozzles, position of anchors to be considered Vendor shall design / provide / supply accordingly. (27) Manufacturer: Körting Hannover AG, 30453 Hannover Data / information must be compl. by the bidder wiith the bid or similar Abbreviations : (28) Gear of the low noise design with high quality toothing EN = European Norme (29) The design shall allow for installation or removal from the B.S. = British Standard Code tank of the mixer assembly including the propeller, simply by U.B.C. = Uniform Building Code bolting or unbolting the mounting nozzle cover on wich the HC = Heat Conservation mixer is assembled. CC = Cold Conservation (30) Conditions for tank and relief design: PP = Personnel Protection Barometric pressure [mbar] W.R.C. = Welding Research Council normal 1013 / min. 979,4 / max. 1056 LWN = Long Welding Neck Flange (31) Min. elevation to ensure sufficiant NPSH for pump WN = Welding Neck Flange (32) For winterizing only (keeping the liquid at minimum 5°C) SO = Slip On Flange (33) Min. 100 mm above steam inlet of heating coil PWHT = Post Weld Heat Treatment (34) Nozzles and manhole to be arranged (located) as close as NFPA = National Fire Protection Association. possible to each other to be operated from one platform CS = Carbon Steel (35) Gasket type: KCS = Killed Carbon Steel Gasket with inner and centerring ring, thickness 4,5 mm SS = Stainless Steel Material: Spiral wound (36) Bolting according to (37) min. 100 Spiral => AISI 304 type, Inner Ring => AISI 304 type, n/a = not applicable (38) Machine gCenterring Ring => CS, galvanised, Filler => Graphit PED = Pressure Equipment Directive GENERAL NOTES (39) Technical details shall be approved by instrument dept. (1) Volume betw. liquid level low (LLL) and liquid level high (LLH) prior to placing of order by vendor (2) Volume between tank bottom and the top incl. top angle. (40) Surface roughness 125-250 micro inch (3) Liquid level high (LLH) = distance from top angle (41) Contracting order of inspections during site fabrication (For floating roof tank s f rom unders id e of float ing ro of) and site erec tion by pur chas er (4) Minimum thickness according to code and/or specifcation (42) Reference point (+/- 0.00) for all nozzle distances from bottom (5) To be located near shell manway to facilitate cleaning of = top of foundation at the lowest point. sump. (43) To be checked and advised (alternative) by vendor with bid (6) Vendor to advise with the bid the type of roof, roof support (44) Liquiphant (only for fixed roof tanks) incl. nozzle (rafters, girders, rafters on trusses, with or without columns) and instrumentation to be supplied by vendor (7) Only if necessary according to calculation (45) Complete technical offer of side-entry mixer vendor shall be Supports similar to standard 012/02-S-23-101 sheet 2 of 2 attached to bid (8) Vendor to supply with the bid the certification / permit for (46) Up to and incl. 1" => UNC, above 1" => 8-UN shall be used  leak dectection system. (47) Life load for roof platform xxxx kN/m² (9) According to specification for steelwork (acc. to specification xxxxxxxxx) (10) Refers to high liquid level. (48) If tank will be shop fabricated (delivered to site in one part) (11) Only for tanks exceeding 12.5 m diameter 2 Templates shall be supplied by vendor (12) Ladders only for tank heights of less than 10.0 m (49) Erection procedure only if tank will be site assembled (13) If code does not allow for frangible roof joint or in addition (Only for tanks with internal or external floating roof). emergency venting devices are required. (50) Liquid mounted primary seal and a wiper type secondary (14) Name plate for heating coil acc. to PED Regulations seal made of a resilent material and gasket fitting For tank similar, considering requirements of EN 14015 (51) Vendor to give alternate design and pricing if more economic (15) Sloped towards condensate outlet nozzles (52) For external floating roof tank only PED 97/23 EC only for heating coil (53) Manhole to be provided with a fixed ladder for access (16) Except for bottom coil, data to be checked and confirmed to bottom of tank or supplied by vendor to guarantee thermal design (54) Manhole to be provided with a fixed ladder for access (17) Witnessed by purchasers representative incl. preparing an to internal floating roof dimensional protocol. The tolerances of foundation shall be (55) To be located near shell manway for drainage acc. to API 650, Section 5, par. 5.5.5 (56) Gaskets to be specified by vendor considering product (18) Internal flanged connections are not permitted stored and design data (19) Vendor to submit with the bid the authorization to mark the (57) Vents shall be sized for the specified maximum filling and tanks with the Certificate of Conformity for building products. emptying rate and thermal requirements (20) The heating coil shall be marked by CE-Marking. (58) For floating roof tanks to be checked and confirmed by vendor (21) Shop primer deleted because of PWHT considering dead stock to keep the roof floating at the bottom (22) To be detailed on FEED phase and the maximum working level below the top angle. (23) Field application according to painting specification (59) Vendor shall contact the purchaser, if tank height should (24) Including all int ernal and e xt ernal att achm ent s be adjus ted t o m aint ain net wor king capac it y prior to of fer (25) If platforms, stairs, walkways etc. are in scope of supply of (60) Insulation should assure a maximum wall temperature of 343 C tank vendor, the approx. weight for these structural parts Insulation cover sheet should assure 60 min. protection on fire to be advised in the quotation or at 37.5 W/m2 thermal radiation level �

03

DATA SHEET NO.: PE-D-A06124222143-01ME-DAS-015-01-E

MECHANICAL DATA SHEET

REV. 01

SHEET __7__OF___7__  VERTICAL ATMOSPHERIC TANKS PROJECT NO. : OWNER : PLANT :

06124222143 OMV PETROM - Asset VI, Muntenia Central Ciresu Tank Farm

Item No.

TFRJ-33-TK-1101 A/B

REV

DATE

NAME

01

16.05.13

RF

Equipment name

BY RF IGNATUR REV

CHK'D LCM DATE

NAME

APPR. IT SIGNATURE

NET OIL STORAGE TANKS 01

General notes: (A) All dimensions in mm unless otherwise noted (B) For further information of nozzles, (Number, size, rating, description, orientation, height from bottom etc.) shown or not shown, see data sheet (page 4 and 5). (C) For type of roof see data sheet page 2 (D) Wallthickness of internal pipes (if any) min. Schedule 40 +1/2 corrosion allowances on both sides

Marked notes: (1) LLL = Liquid Level Low, LLH = Liquid Level High (2) LLL min. 50 mm above tube of heating coil