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GCS 9551

Installation of CorrugatedStainless Steel TubingSTAINLESS STEEL TUBING

For assistance in using this GCIS manual we suggest you review theinformation in the HOW TO USE section

ORIGINAL DATE LAST UPDATE SUPERSEDES

Jun 28 1996 May 12 2000 GCS 9551

RTJ Jun 28 1996

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GCS 9551 ndash Installation of Corrugated Stainless

Steel Tubing

Table of Contents

10 GENERAL

20 REFERENCES

30 METER CONNECTIONSmdashABOVE GROUND OUTDOORS(METER MOVE-OUT)

40 BUILDING ENTRANCEmdashSLEEVE REQUIREMENTS

50 DOWN AND UNDER (BELOWGROUND BUILDING ENTRANCEmdashMETER MOVE-OUT)

60 NEW METER SETmdashABOVEGROUND ENTRANCE

Notes

10 GENERAL

Corrugated stainless steel tubing (CSST) may be installed to connectthe outlet side of the meter barmeter to customerrsquos fuel gas lineindoors and outdoors (including extending through the exterior wall toindoors)

20 REFERENCES

21 This specification complies with

211 BOCA National Mechanical Code (CH-8 M80311)

212 National Fuel Gas Code NFPA 54ANSI Z 2231 (Paragraphs26 3(d) and 316)

22 Verify compliance with local buidling code

23 Specifications

231 Specification GCS 300 Section 17

232 Specification GCS 600 Section 7 and Paragraph 91

233 Specification GCS 601 Paragraph 52

234 Specification GCS 602 Section 7235 Specification GCS 730 Section 15

236 Specification GCS 9544 Section 3

24 Manufacturersrsquo Installation Instructions

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35 Riser supported style (bar-less)

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35 Riser supported style (bar-less)

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36 CSST indoorsmdashconnecting to customerrsquos fuel gas system

361 Extend the CSST to connectreconnect customerrsquos fuel gassystem Provide adequate support for CSST at least every 4

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362 CSSTmdashprovide any additional support to minimize saggingandor protection when any conceivable damage may occur

40 BUILDING ENTRANCEmdashSLEEVE REQUIREMENTS

41 Above groundmdashinstall a PEPVC sleeve through the entrance wall

411 Internal diameter (ID) of sleeve 12 larger than outsidediameter (OD) of CSST used

412 Minimize moisture entry

4121 Seal the space (both sides) between the sleeve and theentrance wall

4122 Seal the space (both sides) between the CSST and thesleeve

42 Repair any moisture barrier damaged by aboveground andbelowground sleeve installation

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43 Belowground (see Section 5 and Note below)

50 DOWN AND UNDER (BELOWGROUND BUILDING ENTRANCEmdashMETER MOVE-OUT)

The fuel supply to the customer is extended from meter barmeteroutlet belowground up to and through the entrance wall (minimun 12

burial depth)51 CSSTanodeless riser with support bracket

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52 CSSTsleevedmdashalternate

Note BOCA M-8075 requires a sleeve for belowground entranceNFPA 54 316 requires a sleeve for below grade entrance

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53 Steel pipeanodeless risermdashpreferred

Outlet of meter barmetermdashinstall steel pipe with maleable fittingsto connect anodeless riser down and under fuel gas supply (see51 above for drawing)

60 NEW METER SETmdash ABOVEGROUND ENTRANCE

61 Meter Bar Style

611 CSST supply to steel pipe fuel line

612 CSST supply to CSST fuel line

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62 Bar-less Style

621 CSST supply to steel pipe fuel line

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622 CSST supply to CSST fuel line