N.M. Admin. Code § 14.12.5.15

Current through Register Vol. 35, No. 21, November 5, 2024

Section 14.12.5.15 - DRAINAGE SYSTEM AND TESTING (NEW OR USED; PRE-OWNED OR RESOLD)

The following requirements apply to the installation of new, used, pre-owned or resold manufactured homes, unless otherwise indicated.

A. General requirements. The drainage system connection for a manufactured home produced under the Federal Manufactured Home Construction and Safety Standards Act shall comply with the manufacturer's installation instructions.

B. Testing procedures. The drainage system must be tested for leaks after completion at the site. Drainage system testing shall be completed in accordance with the manufactures testing instructions.

C. Used, pre-owned and resales. If the manufacturer's installation or testing instructions are not available for a used or pre-owned or resold manufactured home, the following requirements apply.

(1) General requirements.

(a) All exterior openings shall be sealed to resist the entrance of rodents.

(b) All joints, connections, devices and piping in the system, downstream of traps and vents, shall be made gas-tight.

(2) Materials.

(a) Sewer hookups shall be made with cast iron pipe, or minimum scheduled forty (40) ABS OR PVC plastic pipe, or listed material.

(b) The ABS black and PVC white may be mixed provided that a listed bonding glue is used.

(c) Plastic pipe and fittings shall be joined with a listed bonding glue which shall insure a positive seal at all joints.

(d) Ninety (90) degree elbows used in making the drainage line connection shall be medium or long sweep elbows.

(3) Connection to yardline.

(a) The drainage line shall be a minimum three (3) inch I.D. pipe.

(b) All piping must be supported at least every four (4) feet by adequate anchored galvanized, or listed protected metal straps or hangers, or by blocks.

(c) The line must have a slope of at least one-quarter (1/4) inch drop per one (1) foot of horizontal run.

(d) All installations must have at least one (1) accessible clean out.

(e) Any bend in the line of one hundred eighty degrees (180) or more shall have a clean-out.

N.M. Admin. Code § 14.12.5.15

14.12.5.15 NMAC - Rp, 14.12.2.55 NMAC, 12-01-10