(a) 
Building sewer permits shall be obtained for any connection to the public sewer system.
(b) 
A permit which includes building sewer work in a public area or the connection with or opening into any public sewer other than through the normal opening of a wye, tee or stub, may be issued only to a registered building sewer contractor or qualified City employee.
(c) 
A permit which includes building sewer work on private property only may be issued to the owner of the property or to a registered building sewer contractor, or qualified City employee, but such permit shall not allow the owner to connect the building sewer to a public sewer except through the normal opening of a wye, tee, or stub under the supervision of the Public Works Director or designee.
(d) 
Building sewer permits shall not be transferable. No authorized person, including any building sewer contractor or qualified City employee, shall lay any pipe pursuant to any other person's permit.
(e) 
No permit shall be issued for building sewer connection before the main sewer is accepted.
(f) 
All costs and expenses incident to the installation and connection of the building sewer shall be borne by the owner. The owner shall indemnify the City from any loss or damage that may directly or indirectly be occasioned by the installation of the building sewer.
(Ord. 468, 1995; Ord. 676, Sec. 54, 2003; Ord. 1179, Sec. 17, 2024)
(a) 
The applicant for a building sewer permit shall supply the Public Works Director with the following information:
(1) 
Owner's name;
(2) 
Address of property to be served;
(3) 
Owner's mailing address;
(4) 
Name and address to which bills shall be sent;
(5) 
Registered building sewer contractor's or qualified City employee's name and proof of qualification;
(6) 
Legal description of property to be served;
(7) 
All outside dimensions of building to be served;
(8) 
Location of buildings on property to be served;
(9) 
Purpose of building; and
(10) 
Full course of the proposed building sewer.
(b) 
All required fees shall be paid before any building sewer permit is issued. Such fees may include, but are not limited to: permit fees, stub fees, general facilities connection charges, in-lieu-of-assessment charges, reconnection charges, and/or any other charges identified as associated with the permit or the property (outstanding or otherwise), if applicable.
(c) 
The permit card must be posted on the job prior to commencing the work and must be readily accessible to the Public Works Director.
(d) 
The installer of the building sewer shall meet with the inspector on the job whenever so directed.
(Ord. 468, 1995; Ord. 676, Sec. 56, 2003)
(a) 
For the purpose of assuring safe and quality construction of building sewers, safe and quality connection of building sewers to the public sewers of the City, no person, other than the owner of the property involved, may construct, install, repair, reconstruct, excavate, or connect to the public sewers of the City any building sewer, except for building sewer contractor holding a valid, unsuspended current certificate of registration issued by the Department of Licensing of the State of Washington pursuant to Chapter 18.27 RCW, or qualified employees of the City.
(b) 
All such registered building sewer contractors and/or qualified City employee shall adhere at all times to the then current requirements of the City relating to building sewers, connections to public sewers, and building sewer contractors, including reasonable requirements of the Public Works Director relating to construction, installation, reconstruction and repair of building sewers, and shall be liable for all damage to the public sewers of the City and any other public sewers and any other sewage treatment plant to which the City is connected.
(Ord. 1179, Sec. 17, 2024)
(a) 
Not more than one primary structure may be connected to the sewer system by a single connection unless an exception is granted by the Public Works Director prior to the construction of such connection.
(b) 
If more than one primary structure is connected to the public sewer system by a single connection, a mutually beneficial easement shall be granted to the respective properties over the shared portions of the connection, thus assuring that all properties involved shall have perpetual use of the building sewer. Provisions shall also be made for maintenance and access for repair proposes. Said easement(s) shall be recorded with the County Auditor, and a copy thereof furnished to the City.
Old building sewers, including septic tank lines, may be used only when they are found, on examination and test by the Public Works Director, to meet all requirements of this chapter. The owner or the owner's agent shall demonstrate to the Public Works Director that no connection to such building sewer or septic tank line exists which conveys any material prohibited by LSMC Section 6.12.020 (Unlawful Discharge into Public Sewers).
(Ord. 1179, Sec. 17, 2024)
All excavations for building sewer installations shall be adequately guarded with barricades and lights so as to protect the public from hazard. Streets, sidewalks, parkways and other public property disturbed in the course of the work shall be restored in a manner satisfactory to the City.
(Ord. 468, 1995)
(a) 
Building Sewer – Specifications. The building sewer shall be of the pipe and joint material indicated below. Joints shall be gas tight and watertight. Any part of the building sewer that is located within less than five feet of a water service pipe shall be constructed of ductile iron pipe with approved flexible gaskets unless such part is at least three feet lower than such water pipe. If installed in filled or unstable ground, the building sewer shall be of ductile iron pipe, except that non-metallic material may be accepted if laid on a suitable concrete bed or cradle as approved by the Public Works Director.
U.S. Standard Sieve Sizes
% Passing by Weight
3/4"
100
3/8"
70-100
#4
55-100
#10
35-95
#20
20-80
#40
10-55
#100
0-10
#200
0-3
(1) 
PIPE MATERIAL
PVC Sewer pipe and fittings shall conform to the provisions of ASTM D-3034 and be of wall thickness with SDR equal to 35.
(2) 
JOINT MATERIAL
All pipe shall have flexible joints using a restrained rubber gasket conforming to the provisions of ASTM C-443 or D-1869.
(3) 
BEDDING FOR FLEXIBLE CONDUITS
Material to be used for flexible conduits shall be sand-gravel material as listed below. Bedding shall be placed in more than one lift. The first lift is to provide at least 4-inch thickness under any portion of the pipe and shall be placed before the pipe is installed and shall be spread smoothly so that the pipe is uniformly supported along the barrel. Subsequent lifts of not more than 6-inch thickness shall be installed to 6 inches over the crown of the pipe and individually compacted to 90% of maximum density as determined by AASHO T-99. Bedding material shall be a clean sand-gravel mixture free from organic matter and conforming to the following graduation when tested in accordance with ASTM D-422.
(4) 
CRIBBING AND SHEETING
That portion of cribbing or sheeting extending below the crown elevation of flexible pipe shall be left in place unless satisfactory means of reconsolidating bedding or side support, disturbed by cribbing or sheeting removal, can be demonstrated. If a movable box is used in lieu of cribbing or sheeting, and the bottom of the box cannot be kept above the spring line of rigid pipe or the crown elevation of flexible pipe, the bedding or side support shall be carefully reconsolidated behind the movable box prior to placing backfill.
(5) 
PIPE DEFLECTION
When required by the Public Works Director, the amount of pipe deflection shall be tested after the trench backfill and compaction has been completed. The test shall consist of pulling a wooden mandrel through the completed pipeline with a diameter equal to 95% of the pipe diameter. The contractor will be required to replace any pipelines that fail the test.
(b) 
Building Sewer – Size, Slope and Length. The size, slope and length of the building sewer shall be subject to the inspection, verification and approval of the Public Works Director, but in no event shall the diameter be less than four inches from one connection to a single family residence and six inches for connections to/from two to not more than four single family residences. The size of building sewers for other connections shall be determined by the Public Works Director. The slope of such building sewer shall be not less than 2% for 4-inch and 6-inch pipe unless the depth of the public sewer requires a lesser slope and such lesser slope is approved by the Public Works Director, who may require the owner to release the City from all liability for damage. The maximum permitted length of 4-inch pipe used as a building sewer shall be 100 feet. The maximum permitted length of 6-inch pipe, or a combination of 4-inch and 6-inch pipe, used as a building sewer shall be 200 feet.
(c) 
Building Sewer – Elevation – Direction. Whenever possible, the building sewer shall be brought to the building at an elevation below the basement floor. No building sewer shall be laid under any building or within two and one-half feet of any foundation wall, unless the building sewer is constructed of ductile-iron pipe. The minimum depth of trench shall be 18 inches. The building sewer shall be laid at uniform grade and in straight alignment insofar as possible. Changes in direction shall be made only with properly curved pipe and fittings, as approved by the Public Works Director. Fittings shall be used at all major changes of direction and a clean out shall be provided at such fittings. Wherever any building drain is constructed too low to permit gravity flow to the public sewer, sewage carried by such drain shall be lifted by approved artificial mean and discharged into the public sewer at the owner's expense.
(d) 
Information from the Public Works Department. The owner of any building shall be responsible for obtaining from the Public Works Director the location and elevation of the sewer tee or sewer stub at the point of connection and, in the case of new construction, for planning the building and plumbing and to provide adequate slope for the building sewer. The applicant for permit shall be responsible for determining the available grade between building drain and sewer tee stub.
(e) 
Building Sewer – Excavation – Pipe Laying. All excavations required for the installations of a building sewer shall be open trench work unless otherwise approved by the Public Works Director. Pipe laying and backfill shall be performed in accordance with the following specifications:
(1) 
Pipe shall be carefully bedded, either by forming the trench bottom to support the bottom one quarter of the pipe or by over-excavating and bedding with granular material, thoroughly tamped or trod under and alongside the pipe.
(2) 
No large rocks shall be left in the trench bottom which may damage the pipe and no large rocks shall be placed in the backfill.
(3) 
Pipes shall be laid with spigot ends downstream and all changes of direction shall be made by suitable fittings as provided in (c) above. Trench shall be free of water during laying of pipe and during inspection.
(4) 
No backfill shall be placed over the pipe until the work has been inspected and approved.
(5) 
Backfill shall be placed by hand and be thoroughly tamped or trod to six inches above the top of the pipe.
(6) 
Only the owner or a registered side sewer contractor may excavate in the vicinity of a public sewer and stubs.
(7) 
No downspouts or outside drains shall be connected to a building sewer.
(8) 
With respect to building sewer connections to public sewers in or adjacent to Lake Stevens, the excavation for the connection into the public sewer or stub serving the public sewer and the connection thereto shall be made only under the visual inspection of the Public Works Director or designee.
(f) 
Building Sewers – Joints and Connections. All joints and connections shall be made gas tight and watertight in accordance with City specifications. All joints between dissimilar pipes shall be made with suitable adapter couplings, special fabricated coupling, or cement mortar approved by the Public Works Director. Other jointing materials and methods may be used only by approval of the Public Works Director.
(g) 
Building Sewer - Connection to Public Sewer. The connection of the building sewer into the public sewer shall be made at a stub, if such stub is available at the suitable location, or to a right-angle sewer tee. If no properly located stub or tee is available, a neat hole may be cut into the public sewer and a pre-manufactured tee installed with entry at right angles, which hole may be cut only by a registered side sewer contractor. The invert of the sewer tee at the point of connection shall be at a higher elevation than the invert of the public sewer. A smooth neat joint shall be made. Special fittings may be used for the connection only when approved by the Public Works Director.
(h) 
Building Sewer – Inspection. The applicant for the building sewer permit shall notify the Public Works Director when the building sewer is ready for inspection. The grade, materials, and manner of construction shall be subject to approval of the Public Works Director or a regularly-appointed sewer inspector. The Public Works Director may require any test to demonstrate that the building sewer meets the standards specified herein. Such tests may be infiltration tests, exfiltration, air, tests or a combination of them.
(Ord. 679, Sec. 13, 2003; Ord. 1179, Sec. 17, 2024)