PIPE LOG BOOK. Project no:... Project:... Construction section:... On behalf of:... Commissioned by:... Order no:... Date:... Construction period:...

Transcription

1 FW-FERNWÄRME-TECHNIK GmbH Grafftring 2-6 D Celle Tel.: Fax: info@fw-gmbh.de Internet: PIPE LOG BOOK... Project:... Construction section:... On behalf of:... Commissioned by:... Order no:... Date:... Construction period:... Project Manager/Technical Sales and Distribution FW: Project Manager: page 1 of 15

2 Operating data of the pipeline (flow/return): Flow (VL) Medium:... Nominal pressure:... Operating pressure:... Calculation pressure:... Operating temperature:... Calculation temperature:... Thermal expansion*):... mm/m Return (RL) Medium:... Nominal pressure:... Operating pressure:... Calculated pressure:... Operating temperature:... Calculated temperature:... Thermal expansion*):... mm/m *) Temp. ( C) Linear thermal expansion coefficient in 10-6 / K Temp. ( C) gen. structural steel CrNi steel Copper gen. structural steel Linear thermal expansion coefficient in 10-6 / K CrNi steel Copper ,90 15,89 16, ,94 16,97 17, ,97 15,96 16, ,00 17,03 17, ,04 16,03 16, ,05 17,09 17, ,11 16,10 16, ,11 17,15 17, ,18 16,17 16, ,16 17,21 17, ,25 16,24 16, ,22 17,27 17, ,31 16,31 16, ,27 17,33 17, ,38 16,38 16, ,32 17,38 17, ,45 16,45 16, ,37 17,44 17, ,51 16,52 16, ,42 17,50 17, ,57 16,58 16, ,47 17,55 17, ,64 16,65 16, ,52 17,61 17, ,70 16,71 16, ,57 17,66 17, ,76 16,78 16, ,62 17,72 17, ,82 16,84 16, ,67 17,77 17, ,88 16,90 17, ,71 17,82 17, page 2 of 14

3 Specifications Inner pipes Inner pipe made of welded steel pipe as per DIN EN Calculated stress welded seam 100% Inner pipe made of welded steel pipe as per DIN EN Inner pipe made of seamless steel pipe as per DIN EN Inner pipe made of seamless steel pipe as per DIN EN Dimensional tolerances (optional) DIN 1626/DIN 1628 DIN 1629/DIN 1630 EN ISO 1127, tolerance class for D:... tolerance class for T:.... Material P235GH P265GH P355NH Acceptance test certificate 3.1 as per DIN EN Pipe ends worked as per DIN 2559, figure 22 Assignment of the wall thicknesses diameter pipe, seamless pipe, welded diameter pipe, seamless pipe, welded nominal external standard chosen standard chosen nominal external standard chosen standard chosen wall wall wall wall wall wall wall wall 25 33,7 2,6 2, ,4 8,8 6, ,4 2,6 2, ,0 10 6, ,3 2,6 2, ,0 11 6, ,3 2,9 2, ,0 12,5 6, ,1 2,9 2, ,0 12,5 6, ,9 3,2 2, ,0 14,2 7, ,3 3,6 3, ,0-7, ,7 4 3, ,0-8, ,3 4,5 4, ,0-8, ,1 6,3 4, ,0-10, ,0 6,3 5, ,0-10, ,9 7,1 5, ,0-12, ,6 8 5, ,0-12, page 3 of 14

4 Pipe elbow ferritic DIN EN type A DIN EN type B austenitic DIN EN type A DIN EN type B Assembly 3D, radius... mm Assembly 5D, radius... mm Assembly..., radius... mm welded seamless Material P235GH P265GH P355NH Acceptance test certificate 3.1 as per DIN EN Pipe ends worked as per DIN 2559, figure 22 Assignment of the wall thicknesses diameter diameter nominal external T 3 T 2 chosen nominal external T 3 T 2 chosen 25,0 33,7 2,6 2,6 400,0 406,4 8,8 6,3 32,0 42,4 2,6 2,6 450,0 457,0 10,0 6,3 40,0 48,3 2,6 2,6 500,0 508,0 11,0 6,3 50,0 60,3 2,9 2,9 550,0 559,0 12,5 6,3 65,0 76,1 2,9 2,9 600,0 610,0 12,5 6,3 80,0 88,9 3,2 3,2 650,0 660,0 12,5 7,1 100,0 114,3 3,6 3,6 700,0 711,0 12,5 7,1 125,0 139,7 4,0 4,0 750,0 762,0 12,5 8,0 150,0 168,3 4,5 4,0 800,0 813,0 12,5 8,0 200,0 219,1 6,3 4,5 900,0 914,0 12,5 10,0 250,0 273,0 6,3 5,0 1000,0 1016,0 12,5 10,0 300,0 323,9 7,1 5,6 1100,0 1120,0 12,5 12,5 350,0 355,6 8,0 5,6 1200,0 1220,0 12,5 12, page 4 of 14

5 Encasing pipes Encasing pipe made of spirally welded seam longitudinally welded steel pipe as per DIN EN Material P235TR1 P235GH P355N Dimensional tolerances (optional) DIN 1626/DIN 1628 Acceptance test certificate 3.1 as per DIN EN Pipe ends worked as per DIN 2559, figure 22 Dimensions Nominal diameter External diameter pipe, welded, standard wall thickness ,3 4, ,1 4, ,0 4, ,9 4, ,6 4, ,4 4, ,0 4, ,0 5, ,0 5, ,0 6, ,0 6, ,0 7, ,0 8, ,0 8, ,0 10, ,0 10, ,0 11, ,0 12, , , , ,0 pipe, welded, chosen wall thickness page 5 of 14

6 Coating Polythene (PE) DIN 30670, pipe ends 100 mm free N-n (up to 50 C, normal layer thickness) S-n (up to 70 C, normal layer thickness) N-v (up to 50 C, reinforced) S-v (up to 70 C, reinforced) Polypropylen (PP) DIN 30678, pipe ends 100 mm free Bitumen DIN 30673, - A 5,5 - G (reinforced), pipe ends 150 mm free Colour coating as per AGI working sheet Q 151: Surface temperature of the encasing pipe 80 C up to 140 C; total system no 1.4; surface preparation Sa 2,5 ; basic coating zinc dust (EP) - 80 μm -cover coating micaceous iron ore (EP) 80 μm, of contrasting colour page 6 of 14

7 Heat insulation Heat insulation of resinoid-bonded mineral wool shells resp. pipe segment plates with a volume weight of kg/m 3, max. application temperature 600 C, e.g. type Rockwool 880 resp. WM 100. Insulation thicknesses for inner pipe DN mm flow insulation thickness (mm) return insulation thickness (mm) Alarm and monitoring equipment: Make: system page 7 of 14

8 Non-destructive testing procedures A: Manufacture at our factory Radiographic test of the inner pipes according to DIN EN 1435 Evaluation acc. to DIN EN ISO 5817, evaluation group B Designation of faults acc. to DIN EN ISO 6520 FW-Standard (100% of the seams at factory by factory inspector) Radiographic test of the encasing pipes according to DIN EN Evaluation acc. to DIN EN ISO 5817, evaluation group C Designation of faults acc. to DIN EN ISO 6520 FW-Standard (10% of the seams at factory by factory inspector) Surface crack testing of the encasing pipes according to DIN EN (paint penetration method), resp. DIN EN ISO (magnetic particle test) Evaluation acc. to DIN EN ISO resp. acc. to DIN EN ISO FW-Standard (10 % of the seams at factory by factory inspector) page 8 of 14

9 A: Manufacture at our factory (continuation) Surface crack testing of the fillet seams acc. to DIN EN (paint penetration method) Evaluation acc. to DIN EN ISO FW-Standard (100% of the fillet seams of anchor points, axial compensator seals and vacuum connection pieces by tester of factory) Coating control of the encasing pipes, Holiday Spark Test according to FW-Standard (100% by tester of factory) DIN (bitumen sheathing at factory) with 25 kv DIN (PE-sheathing at factory) with 25 kv DIN (PP-sheathing at factory) with 25 kv Control of signalling core acc. to manufacturer s instruction Control of the signal cables regarding passage and resistance = against inner pipe and against encasing pipe (by tester of factory) page 9 of 14

10 Non-destructive testing procedures B: Assembly on site Radiographic test of the inner pipes according to DIN EN 1435 Evaluation acc. to DIN EN ISO 5817, evaluation group B Designation of faults acc. to DIN EN ISO 6520 FW-Standard (100% of the seams at site by tester of factory or other testing authority) Vacuum glass testing of the inner pipes, leak test with foamy solutions, the test seams must be free of grease and paint (> DN 200) test) FW-Standard (all of the seams at site without inspection at the hydraulic pressure page 10 of 14

11 B: Assembly on site (continuation) Vacuum glass testing of the encasing pipes, leak test with foamy solutions, the test seams must be free of grease and paint (> DN 200), not to be applied to sleeves FW-Standard (100% of the seams at site) Coating control of the encasing pipes, Holiday Spark Test according to FW-Standard (100%) DIN (bitumen sheathing at factory) with 25 kv DIN (PE-sheathing at factory) with 25 kv DIN (PP-sheathing at factory) with 25 kv Control of signalling core according to manufacturer s instruction Control of the signal cables regarding passage and resistance = against inner pipe and against encasing pipe page 11 of 14

12 Proof of vacuum tightness of the whole system according to AGFW Technical Rules FW 410 Q : leakage rate in mbar x litres/second Δ P V Δ P : modification of pressure in mbar leakage rate Q = V : volume of ring space in litres t t : time in seconds Leakage rate according to AGFW, Technical Rules FW 410 Ring space volume [m 3 ] > 100 Leakage rate [mbar x l / s] 0, ,1 0,1... 0,3 0,3... 0,5 According to the volume of ring space, the admissible leakage rates as per AGFW (see above) can be taken from the following nomogram: Ring space volume [m³] Leakage rate [mbar x l / s] Tester: Evacuation specialist together with page 12 of 14

13 Welder A: Manufacture at our factory Welder Welder no. Certificate submitted page 13 of 14

14 Welder B: Assembly on site Carried out by Messrs: Welder Welder no. Certificate submitted page 14 of 14