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City of Tigard, Oregon • 13125 SW Hall Blvd. • Tigard, OR 97223
•
February 1, 2007
T I GARD
Casa Terra
AlJeck
9600 SW Oak
Portland, OR 97223
RE: CORAL COMMONS—SITE REVIEW
Project Information: Fourteen Single Family Detached Units With Four Detached Garage Units
Building Permit SIT2006-00021 Construction Type: V-B
Tenant Name: Coral Commons Occupancy Type: R3
Address: 9304-9420 SW Coral Area: Varies sq ft
Stories: 2
The plan review was performed under the State of Oregon Structural Specialty Code (OSSC) 2004 edition the
Tualatin Valley Fire&Rescue Fire&Life Safety Requirements for Fire Department Access and Water
Supplies (Based on the 2004 Oregon Fire Code as amended by TVF&R) and NFPA 24.The submitted plans
are approved subject to the following.
EROSION
1. Erosion control measures shall be in place prior to excavation or grading.
FIRE DEPARTMENT ACCESS
2. The driveway is considered a fire department access roadway. The driveway shall be capable of supporting
a 12,500 pound wheel point load and a gross vehicle weight of 50,000 pounds.
HYDRANTS/FIRE LINES
3. All piping shall be inspected prior to backfill.
4. The 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. Section 10.10.2
5. Hydrostatic testing of the underground piping shall occur upon completion of work. The contractor's
material and test certificate for underground piping shall be completed and signed. Copies shall be
prepared for approving authorities, owners and contractor. Section 10.10.1 (All piping shall be
inspected prior to backfill.)
Phone: 503.639.4171 • Fax: 503.684.7297 • www.tigard-or.gov • TTY Relay: 503.684.2772
7. The fire service main shall be minimum 36 inches below grade under driveways and 30 inches
elsewhere. The depth shall be measured from the top of the pipe to finished grade. Section 10.4
8. When pipe must be run under buildings, special precautions shall be taken, including the following:
• Arching the foundation walls over the pipe
• Running the pipe in covered trenches
• Providing valves to isolate sections of pipe under building. NFPA 13, 10.6
9. Thrust blocks shall be placed between undisturbed earth and the fitting to be restrained and shall be
capable of such bearing to ensure adequate resistance to the thrust to be encountered. Wherever
possible, thrust blocks shall be placed so that the joints are accessible for repair. Section 10.8
10. Piping shall be listed for fire protection service and shall comply with the standards in
Table 10.1.1
11.A sign at inlets shall indicate the pressure required to deliver the greatest system demand. 5.9.5.4
ACCESSIBILITY
15.Accessible walkways and routes shall not exceed a running slope of 1 unit vertical in 20 units
horizontal (5% slope). Cross slopes shall not exceed 1 unit vertical in 50 units horizontal (2%
slope).
Approved Plans: 1 set of approved plans, bearing the City of Tigard approval stamp, shall be maintained on
the jobsite.The plans shall be available to the Building Division inspectors throughout all phases of
construction. 106.4.2 OSSC
Premises Identification:Approved numbers or addresses shall be provided for all new buildings in such a
position as to be plainly visible and legible from the street or road fronting the property.
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.
Respectfully,
szi
Val Henzel,
Senior Plans Examiner