Gunner P2-CS000126 Carson-Salcedo-McWilliams, Inc.
CONSULTING CIVIL ENGINEERS - LAND SURVEYORS
DALLAS FORT WORTH
Rk=h~rd Camon, Jr., P.E.
M~¢ McWiIII~m~. P.E.
2000-01-26
City of Coppell Engineering Department
P.O. Box 478
Coppell, Texas, 75019
Attention: Mr. Michael A. Martin, P.E.
Assistant City Engineer
Subject: 971146- GUNNER SUBDIVISION- PHASE
LOT 2, BLOCK A
Dear Mr. Martin:
We request a variance for the storm sewer pipe material used within the private property
of this project. We request permission to use ADS N-12 High Density Polyethylene
drainage pipe, manufactured by Advanced Drainage Systems (ADS), in place of
reinforced concrete pipe.
Sincerely,
Carson, Salcedo, Mc Williams, Inc.
Stephanie Laughlin, EIT
1201 MAIN STREET, SUITE 1530 DALLAS, TEXAS 75202 (214) 741.4840 FAX (214) 741.4610
http://www.csm.net.com