Correspondence (108) LAW /CRANDALL S4 606
A DIVISION OF LAW ENGINEERING
AND ENVIRONMENTAL SERVICES, INC.
December 11, 1996
Mr. Jim Funk
City of Tigard
13125 SW Hall Blvd.
Tigard, OR 97223
Subject: Ryder Truck Rental
14750 SW 72nd
Law /Crandall Project 70144 -6 -0385
Dear Mr. Funk:
This letter summarizes our response to your letter dated November 8, 1996 regarding the plan
review for the above - mentioned project. We are also attaching three copies of the revised
drawings, Pavement Plan, Drainage Plan and Erosion Control Plan reflecting the changes per you
comments.
i t
It is our understanding that the requirements for connecting the roof storm drainage
to an approved drain system is not applicable to this project because we are dealing
with an existing building.
Enclosed you will find a copy of a detailed parking lot layout. We understand that a
route inside the boundary of the site will not be required because there is no public
side-walk adjacent to the property or building.
y Catch basins will be constructed according to Oregon Specialty Plumbing Code
r /, (OSPC) section 1408 Specification.
1.i. Storm drains are sized according to Table 11.2 of OPSC. The attached Drainage Plan
shows the location, slope, size and type of the storm sewer and catch basins.
l/" Enclosed you will find a copy of the Erosion Control Plan, in accordance with the
Unified Sewage Agency requirements..
The fuel tank shown on our site plan are existing double wall above ground storage tanks.
200 CITADEL DRIVE • LOS ANGELES, CA 90040 -1554
(213) 889 -5300 • FAX (213) 721 -6700
• '� Ryder Truck Rental December 1 I, 1996
Law /Crandall Project 70144 -6 -0385
Hope this answers your comments. Please contact us if you have any questions regarding the
information presented in this letter.
Sincerely,
LAW /CRANDALL
/144, ��ea,C'
A. Mazen Wahbeh Richard C. Leach 6
Senior Engineer PrincipalNice President
MW/bv
i:\96-Proj.\60385\603851tr.doc
(1 copy submitted)
Attachments (3)
cc: Ryder Truck Company
Attn: Adrian Grimes
Hal's Construction, Inc.
Attn: Phil Hickman
2