Authority: IC 22-13-2

Affected: IC 22-12; IC 22-13; IC 22-14; IC 22-15; IC 36-7-2-9

Sec. 4. Chapter 3 is amended as follows:

1. (a) Amend Section 301.1.1 to read as follows: See Section 101.2.

2. (b) Amend Section 301.3 to add an exception to read as follows:

   1. Exception: Bathtubs, showers, lavatories, clothes washers, air conditioning condensation, laundry trays, and process water that is exposed only to heat transfer and no other contamination shall not be required to discharge to the sanitary drainage system where such fixtures discharge to a gray water system in accordance with Appendix C.
3. (c) Amend Section 301.7 to read as follows: See Section 101.7.
4. (d) Amend Section 304.4 by deleting the text after "protected" and inserting "with an impervious material".
5. (e) Amend Section 305.3 by adding a third sentence to read as follows: No plumbing pipes shall be directly embedded in concrete or masonry.

6. (f) Amend Section 305.6 as follows:

   1. (1) In the first sentence, delete "water".
   2. (2) Delete the last sentence in its entirety without substitution.
7. (g) Delete the text of Section 305.6.1 and insert to read as follows: Waterlines. Waterlines shall not be installed outside of a building, in attics or crawlspaces, or in any other place subjected to freezing temperatures, unless adequate provision is made to protect such waterlines from freezing by insulation, ambient heat, or alternate heat source. No waterlines shall be concealed in outside walls, above grade.
8. (h) Add Section 305.6.2 to read as follows: The minimum depth of exterior water supply piping measured from finished grade to the top of the water pipe shall be in accordance with Table 305.6.2.

9. (i) Add Table 305.6.2 Minimum Depth of Bury of Exterior Water Supply Piping as follows:

   Table 305.6.2
   Minimum Depth of Bury for Exterior Water Supply Piping
   NO.	COUNTY	DEPTH IN INCHES		NO.	COUNTY	DEPTH IN INCHES
   1	Adams	48		47	Lawrence	36
   2	Allen	48		48	Madison	42
   3	Bartholomew	36		49	Marion	42
   4	Benton	48		50	Marshall	48
   5	Blackford	42		51	Martin	36
   6	Boone	42		52	Miami	48
   7	Brown	36		53	Monroe	36
   8	Carroll	48		54	Montgomery	42
   9	Cass	48		55	Morgan	42
   10	Clark	36		56	Newton	48
   11	Clay	36		57	Noble	48
   12	Clinton	42		58	Ohio	36
   13	Crawford	36		59	Orange	36
   14	Daviess	36		60	Owen	36
   15	Dearborn	36		61	Parke	42
   16	Decatur	36		62	Perry	36
   17	Dekalb	48		63	Pike	36
   18	Delaware	42		64	Porter	48
   19	Dubois	36		65	Posey	36
   20	Elkhart	48		66	Pulaski	48
   21	Fayette	42		67	Putnam	42
   22	Floyd	36		68	Randolph	42
   23	Fountain	36		69	Ripley	36
   24	Franklin	36		70	Rush	42
   25	Fulton	48		71	St. Joseph	48
   26	Gibson	36		72	Scott	36
   27	Grant	42		73	Shelby	42
   28	Greene	36		74	Spencer	36
   29	Hamilton	42		75	Starke	48
   30	Hancock	42		76	Steuben	48
   31	Harrison	42		77	Sullivan	36
   32	Hendricks	42		78	Switzerland	36
   33	Henry	42		79	Tippecanoe	42
   34	Howard	42		80	Tipton	42
   35	Huntington	48		81	Union	42
   36	Jackson	36		82	Vanderburgh	36
   37	Jasper	48		83	Vermillion	42
   38	Jay	42		84	Vigo	36
   39	Jefferson	36		85	Wabash	48
   40	Jennings	36		86	Warren	42
   41	Johnson	42		87	Warrick	36
   42	Knox	36		88	Washington	36
   43	Kosciusko	48		89	Wayne	42
   44	LaGrange	48		90	Wells	48
   45	Lake	48		91	White	48
   46	LaPorte	48		92	Whitley	48

10. (j) Amend Section 305.8 to read as follows: delete "sixty two thousandths (0.062) -inch-thick (1.6 mm)" and insert "five hundred seventy-five ten-thousandths (0.0575) -inch-thick (1.463 mm), No. 16 gage".
11. (k) Delete Section 308.6 without substitution.
12. (l) Delete Section 311 in its entirety without substitution.
13. (m) Amend Section 312.9.1 to read as follows: Delete "annual" and insert "at the time of installation".
14. (n) Delete Section 312.9.2 without substitution.

15. (o) Amend Section 314.2.1 as follows:

    1. (1) After "disposal", insert "gray water storage or other nonpotable sustainable use".
    2. (2) Insert the following text after the first sentence: Such piping shall maintain a minimum horizontal slope in the direction of discharge of not less than one-eighth (1/8) unit vertical in twelve (12) units horizontal (one (1) percent slope).

(Fire Prevention and Building Safety Commission; 675 IAC 6-1.4-4; filed Sep 25, 2012, 2:42 p.m.: 20121024-IR- 675110448FRA, eff 90 days after filing with the Publisher; readopted filed Jul 3, 2018, 2:22 p.m.: 20180801-IR-675180204RFA; readopted filed Jun 10, 2024, 8:09 a.m.: 20240710-IR-675230794RFA)