Louisiana Administrative Code › Title 51 - PUBLIC HEALTH-SANITARY CODE › Part XIV - Plumbing › Chapter 16 - Mobile/Manufactured Homes and Mobile/Manufactured Home Parks [formerly Appendix C - Mobile/ Manufactured Homes and Mobile/Manufactured Home Parks] › Section XIV-1613 - Park Drainage System

Current through Register Vol. 50, No. 6, June 20, 2024
A. The
				sewer main and sewer laterals shall be installed in a separate trench not less
				than 5 feet (1524 mm) from the park water service or distribution system. See
				§613. C of this code.
B.
				The minimum size of pipe in any mobile/manufactured home park drainage system
				shall be 4 inches.
C. Each
				mobile/manufactured home shall be considered as 15 fixture units in determining
				discharge requirements in the design of park drainage and sewage disposal
				systems.
D. Minimum
				grade(S) for sewers shall be so designed that the flow
				will have a mean velocity of 2 fps (0.6096 m/s) when the pipe is flowing half
				full.
E. The discharge of a park
				drainage system shall be connected to a community sewerage system. Where a
				community sewerage system is not available, an approved commercial treatment
				facility or an individual sewerage system shall be installed in accord with the
				requirements of LAC 51:XIII (Sewage Disposal).
F. Manholes and/or cleanouts shall be
				provided and constructed as required in Chapter 7 of this code. Manholes and/or
				cleanouts shall be accessible and brought to
				grade(G).
G.
				When located in a mobile/manufactured home park (i.e., other than a single
				mobile/manufactured home on its own lot), t he sewer main shall be provided
				with a minimum 4-inch vent, not more than 5 feet (1524 mm) downstream from its
				upper trap. Long mains shall be provided with additional relief vents at
				intervals of not more than 200 feet (61 m) thereafter. These relief vents shall
				be a minimum of 4 inches and shall be securely supported and extended a minimum
				of 10 feet (3048 mm) above grade(G).
H. Branch lines or sewer laterals to
				mobile/manufactured homes shall be not less than 4-inch diameter.
I. Sewer inlets shall be 4-inch diameter and
				extend above grade(G) 3 to 6 inches (76 to 152 mm). Each
				inlet shall be provided with a gastight seal when connected to a
				mobile/manufactured home and have a gastight seal plug for use when not in
				service.
J. Each
				mobile/manufactured home site shall be provided with a trailer trap. Sewer
				laterals over 30 ft (9144 mm) from the main park drainage sewer shall be
				provided with an individual vent and shall also be provided with a 4-inch
				cleanout brought to grade(G). When an individual vent
				for the sewer lateral/trailer trap is required, it shall be 3-inch minimum
				(upstream of the clean out fitting) and shall extend not less than 10 inches
				above the roof of the mobile/manufactured home.
K. To provide the shortest possible drain
				connection between the mobile/manufactured home outlet and sewer inlet, all
				sewer inlets should terminate in the rear one-third of the mobile/manufactured
				home as placed on the site.
L.
				Drain connections shall slope continuously downward and form no traps. All pipe
				joints and connections shall be installed and maintained gastight and
				watertight.
M. No sewage, waste
				water, or any other effluent shall be allowed to be deposited on the surface of
				the ground.
N. Testing the Park
				Drainage System. Upon completion and before covering, the park drainage system
				shall be subjected to a static water test performed in accordance with §319. A of this code.
AUTHORITY NOTE:
				  Promulgated in accordance with
				  R.S.
				  40:4(A)(7) and
				  R.S.
				  40:5(2)(3)(7)(9)(16)(17)(20).