DGWaterDetail6-15RESTORATION DEPTH TRACE TAPE 12" TO 18" VNDER
VARIES. ~~ ~ THE FINAL GRADE.
TRENCH BACKFILL TRACER W7RE (SEE GENERAL
SEE NOTE 1, 2, 3 WATER NOTES N0. 7)
&s I
6" MIN.
BEDDING MATERIAL
SEE NOTE 4
UNDISTURBED SOIL
NOTES:
1. A MINIMUM COVER OF 3.5' SHALL BE MAINTAINED, EXCEPT AS REQUIRED A7 CONNECTION POINTS.
2. NATIVE BACKFILL SHALL CONSIST OF CRUSHED, PROCESSED, OR NATURALLY OCCURRING GRANULAR
MATERIAL. IT SHALL BE ESSENTIALLY FREE FROM VARIOUS TYPES OF WOOD WASTE OR OTHER
EXTRANEOUS OR OBJECTIONABLE MATERIALS. IT SHALL HAVE SUCH CHARACTERISTICS OF SIZE AND
SHAPE THAT IT WILL COMPACT READILY COMPACT.
3. NATIVE TRENCH BACKFILL MATERIAL SHALL BE SORTED OR SCREENED SO THAT THE MAXIMUM
AGGREGATE SHALL IS 6-INCHES.
4. PIPE BEDDING MATERIAL SHALL BE SAND OR OTHER CITY APPROVED EQUAL. NO SUBS7UTIONS WILL
eE ALLOWED WITHOUT WRITTEN AUTHORIZATION FROM THE QTY OF YELM.
5. WHERE NATIVE MATERIALS HAVE BEEN DEEMED UNACCEPTABLE BY THE CITY, TRENCH BACKFILL
SHALL MEET THE WSDOT STANDARD SPECIFICATIONS FOR THE PIPE TYPE BEING SPECIFIED.
CITY OF YELM, WASHINGTON
DEPT. OF PUBLIC WORKS
TYPICAL WATER MAIN
TRENCH & BEDDING
APPRO DWG. N0.
~~ .n
PUBLIC WORKS DIRECTOR DATE 6-1 5
DES. DWN. CKD. DATE
ES JEG TP. 4~2QQ7