Correspondence .a
March 31, 2005
CITY OF
VLMK Consulting Engineers
3933 SW Kelly Ave OREGON
Portland, Oregon 97239
.t RE: FIRE LINE REVIEW — REPLACEMENT OF EXISTING PIPE LINE
Project Information
Permit: BUP2005 -00121
Address: 8100 SW Hunziker Rd
The plan review was performed under the State of Oregon Structural Specialty Code
(OSSC) 2004 edition; and the Tualatin Valley Fire & Rescue Fire & Life Safety
Requirements for Fire Department Access and Water Supplies (Based on the 2003
International Fire Code as amended by TVF &R). The submitted plans are approved
subject to the following conditions.
HYDROSTATIC TESTING
Hydrostatic testing of the system shall occur at sprinkler final. The contractor's
material and test certificate required by NFPA 13, 16.1 shall be completed and signed
by both the installer and building owner. Failure
TESTING: - Section 16.2.1
1. All piping and attached appurtenances subjected to system working pressure shall
be hydrostatically tested at 200 psi (13.8 bar) and shall maintain that pressure
• without loss for 2 hours. Loss shall be determined by a drop in gauge pressure or
visual leakage. The test pressure shall be read from a gauge located at the low
elevation point of the system or portion being tested.
EROSION
2. Erosion control measures shall be in place prior to excavation.
LM
FIRE
3. The private fire service main shall be at least 30 inches below grade.
13125 SW Hall Blvd., Tigard, OR 97223 (503) 639 -4171 TDD (503) 684 -2772
4. The private fire service main shall be flushed thoroughly before connection to the
system riser in order to remove foreign materials that might have entered the main
during the course the installation. The flow rate shall not be less than the water
demand rate of the system.
5. All piping shall be inspected prior to backfill.
When submitting revised drawings or additional information, please attach a copy of
the enclosed City of Tigard, Letter of Transmittal. The letter of transmittal assists
the City of Tigard in tracking and processing the documents.
Val a 1,
Senior Plans Examiner
•