Manholes mow
non
"61 Hanson
HEIDELBERGCEMENTGroup
Hanson Aggregates
South Region
Technical Service Lab
1000 N.MacArthur Blvd.
Grand Prairie,TX 75050
May 1, 2011 Tel. 972-260-3696
Fax. 972-260-3655
Www.hansonplc.com
TO: Mr. Brian Gregory
Hanson Pipe & Products, Inc.
1000 N. MacArthur Blvd.
Grand Prairie, Texas 75050
Contractor: North Texas Contracting Mix#19
PROJECT: Man Hole and Riser
Technical Services Lab Project 2011-Precast
Dear Brian:
We are pleased to submit the following mix design for your approval on the above referenced project.
MIX DESIGN PROPORTIONS - ONE CUBIC YARD (SSD)
Specified 28 Day Strength (fc) 5000 psi.
ONE CUBIC Yard Approximate
Dry Cast (SSD wt.) W/C Ration=0.36
Ash Grove Type I/II Cement 355 Lbs. Air 1.5%-+0.5
Headwater Jewett Class F Fly Ash 115 Lbs. Slump 0.5" -+0.5"
Hanson Bridgeport Crushed Limestone 3/8" 1670 Lbs.
Hanson Bridgeport Mfg Sand 866 Lbs.
Hanson Bristol Natural Sand 900 Lbs
Water 200 Lbs.
TOTAL 4106 Lbs.
The above mix design is guaranteed to achieve specified compressive strength when tested and evaluated
in accordance with applicable ASTM and ACI test methods and specifications.
We would appreciate notification of mix design approval before commencement of concrete placement.,,
Please do not hesitate to call if you have any questions concerning the mix design data. •
•
Respectfully Submitted
„41
Vartan Babakhanian, P.E.
Technical Services Manager ,.�
CC: Greg Minteer -Hanson
Precast Manholes
•-• 8" r Varies �{ 8" -.--
11
Illustrated:
Concentric Cone
Available:
Eccentric Cone
Rubber Gaskets
Varies —> at all 4'0 Joints
j_.: c,
13"& 16"
L
J.
6" :.`e Rubber Gaskets
(TYP.)
at all 5'm Joints
ri
Invert Channel-Shall be
it "U"-Shaped: Sloped Min. Water-Tight
"g ° , Gaskets @ all
' of 1"per 12". ,,t`.
Pipe Connections
Flattop Illustration
for Shallow Manhole
8"or 92 6"(TYP•)
„C„ > < "A., . < "C”
Materials & Features "B"
HOLES AS SPECIFIED: for 5' I.D. max diameter=40" Section View
for 6'I.D. max diameter=54" 5'/4'&6'14' I.D. Manhole
CONCRETE:5,000 PSI,28 day strength. Extended Base with Reducing Cone
REINFORCING: Meets or exceeds ASTM C478 requirements.
Average weight of 24"depth base w18"invert:
for 5'I.D.= 7,500 lbs. Pipe I.D. O.D. Wall
for 6'I.D.= 10,600 lbs. Size Thk.
Estimated weight of riser and sections: "A" "B" "C"
for 5'I.D. = 1,325 lbs./vt.ft.
for 6'I.D.= 1,800 lbs.I vt.ft. 5' 5'-0" 6' -0" 6"
For pipe sizes 15"and larger, invert shall be equal to 6' 6'-0" 7'-2" 7"
the larger pipe diameter.
*-Extended base shown: Regular base also available."
In the event a boot is loose contact your Hanson representative
to resolve. -No Scale-
Al!dimensions subject to allowable "'
"Manufactured to your specifications." specification tolerances.
TITLE PLANT STATE SECTION.PAGE DATE ED.
5'14' & 6'/4'l.D. Manhole All Plants TX 5.6 08-15-06 ''Hanson
Extended Base w/Reducing Cone