Rozas Addn-CS050622Sent By: Helmberger Associates; 972 442 1428; Jun-22-05 7:05AM; Page 2/2
· HELMBERGER ASSOCIATES, INC.
C~VIL
CONSTEUCTION ~IANAGEMENT
ENVIRONMENTAL ENGIN-EERI~G
June 22, 2005
Mr. Fred O. Donaldsm~
Td-Star Construction
220 Elm Street, Suite 100
I..ewtsville, Texas 75057
RE: Recommended Pavement Thickness
Medical Office Facility for Dr. Mellssa R~,~, Sandy Lake Road
Mr. Domddson,
Based on the recommendations in the geotechnical report prePared for the
above project we recommend the following pavement thicknesses:
Parking areas:
WRh lime ~tablllzztlon - $"
W'rthout lime stabilization - 6"
Truck d~ve areas (including tim lanes):
With lime stabilization - 7"
Without lime stabilization - 8"
All pavement to be a minimum 3,500 PSI compressive strength with City of
Coppell requirements met.
lc:Mr. Patrick Aheame
103107-14.doc
124 HOOPER ROAD . WYL]E, TF. XAS75098 · 972..442-7459 .FAX972-442-142g
Sen~ By: Helmberger Associates; 972 442 1428; Jun-22-05 7:05AM; Page 1/2
HELNfB]ERGER ASSOCIATF~, INC.
124 H(:N~PEI~]tOAD, ~ T~XA~ 75098
PHo~rJE//: 9/2-442-7459 FAD( ~ 9/2-142-1428
Date:
TO:
ATTN:
NOTES:
l~mher Of Pages ~ Cover Sheet: