Current through Register Vol. 24-18, September 15, 2024
(1) A
purveyor shall receive written department or health officer approval of a
design report prior to:
(a) Installing a new
Group B system; or
(b) Providing
service to more than the current approved number of service
connections.
(2) To
obtain design report approval for a Group B system, a purveyor shall provide a
copy of the following, at a minimum, to the department or health officer:
(a) Documentation that creating a new system
or expanding an existing system does not conflict with any applicable
coordinated water system plan adopted under chapter 246-293 WAC;
(b) Documentation that creating a new system
complies with the SMA requirements under
RCW
70A.125.060(2);
(c) Source approval under WAC 246-291-125 or
246-291-135;
(d) Documentation that all requirements under
WAC 246-291-140 are met;
(e) A
system design that complies with the requirements under WAC 246-291-200
including, but not limited to:
(i) Drawings of
each project component, including:
(A)
Location;
(B)
Orientation;
(C) Size;
and
(D) Easements for:
(I) Future access and maintenance of
distribution system pipelines located on private property, or franchise
agreements necessary for distribution system pipelines located within public
right of way; and
(II) Other system
components, including access and maintenance of reservoirs, wells, and pumping
stations.
(ii)
Material specifications for each project component;
(iii) Construction specifications and
assembly techniques;
(iv) Testing
criteria and procedures; and
(v) A
description of disinfection procedures as required under WAC
246-291-220.
(3) The design report shall be
prepared, sealed, and signed in accordance with chapter 196-23 WAC by a
professional engineer who:
(a) Is licensed in
the state of Washington under chapter 18.43 RCW; and
(b) Has specific expertise regarding design,
operation, and maintenance of public water systems.
(4) A local health jurisdiction that has
accepted primary responsibility in a JPR under WAC 246-291-030 may adopt by
rule, an exception to the professional engineer requirement for Group B systems
that:
(a) Do not use a variable speed
pump;
(b) Do not provide fire
flow;
(c) Do not have special
hydraulic considerations;
(d) Do
not have atmospheric storage in which the bottom elevation of the storage
reservoir is below the ground surface; and
(e) Serve fewer than 10 service
connections.
(5) A
purveyor shall submit a "Construction Completion Report for Public Water System
Projects" to the department or health officer on a form approved by the
department or health officer within 60 days of construction completion, and
before use of any approved Group B system. The form must:
(a) Be signed by a professional engineer,
unless the health officer approves the project as meeting the requirements
under subsection (4) of this section;
(b) Include a statement that the project is
constructed and completed according to the design report requirements under
this chapter; and
(c) Include a
statement that the installation, testing, and disinfection of the Group B
system is completed in accordance with this chapter.
(6) All design changes, except for minor
field revisions, must be submitted in writing to, and approved by, the
department or health officer.
Statutory Authority:
RCW
43.20.050 and chapter 70.119A RCW. 12-24-070,
§ 246-291-120, filed 12/4/12, effective 1/1/14. Statutory Authority:
RCW
43.20.050. 94-14-002, § 246-291-120,
filed 6/22/94, effective 7/23/94.
