4. Piping Schematics Required:
a) A Fully Labeled, Detailed Schematic of the Potable and Non-potable Water Piping
immediately Surrounding the Backflow Prevention Device Installation showing the
Following:
i) Height above the Finish Floor to the bottom of the device. (Between 3 and 4 feet)
ii) Distance from Walls. (Minimum of 12”)
iii) Type of Equipment or System(s) Downstream of (after) the Backflow Prevention
Device. (Chemical Treatment, Operating Pressure, etc.)
iv) Manufacturer, Make, Model, Size and Alignment of the Backflow Prevention
Device.
v) Location of Upstream and Downstream Shut-off Valves.
****Device Testing Schedule & Fee****
****$75.00 per test, including a Retest when a Device Fails****
****Reduced Pressure Zone (RPZ) Twice per year by the SWD****
****Double Check Valve Assembly (DCVA) Once per year by the SWD****
**** Please Note that the piping schematic must be at least 8 ½” x 11” with a completed title block,
(Name of Facility, Address, Date, Preparer, Scale, etc.)****
**** Please utilize one Data Sheet for each Backflow Prevention Device installation submitted****
Submitted By: ________________________________________________________________________
Company: ___________________________________________________________________________
Address: ____________________________________________________________________________
Date: _______________________________________________________________________________
Phone#: _____________________________________________________________________________
Plumber’s Signature or
Sprinkler Fitter’s Signature: ______________________________________________________________
Plumber’s License # or
Sprinkler Fitter’s License #: ______________________________________________________________
Owner/Owners Agent Signature: __________________________________________________________
Reviewer’s Signature: ___________________________________________ Date: __________________
Submit to: Shrewsbury Water Dept.
Phone: (508) 841-8601 Cross Connection Office
Fax: (508) 841-1567
100 Maple Ave Shrewsbury, Ma 01545