ASTM A746-09(2014)

Standard Specification for Ductile Iron Gravity Sewer Pipe

ABSTRACT
This specification covers ductile iron gravity sewer pipe centrifugally cast with push-on joints. This also covers trench load design procedures for both cement-lined pipe and flexible-lined pipe. Maximum depths of cover tables are included for both types of linings. Each pipe shall be subjected to a hydrostatic test and maybe performed either before or after the outside coating and inside coating have been applied, but shall be performed before the application of cement-mortar lining or of a special lining. The standard acceptance tests and additional control tests shall also be performed.
SCOPE
1.1 This specification covers 4 to 64-in. ductile iron gravity sewer pipe centrifugally cast with push-on joints. This specification may be used for pipe with other types of joints, as may be agreed upon at the time of purchase.  
1.2 This specification covers trench load design procedures for both cement-lined pipe and flexible-lined pipe. Maximum depth of cover tables are included for both types of linings.  
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

General Information

• Status: Historical
• Publication Date: 30-Sep-2014
• ICS: 23.040.10 - Iron and steel pipes
• Technical Committee: A04 - Iron Castings
• Drafting Committee: A04.12 - Pipes and Tubes

Relations

• Replaces: ASTM A746-09 - Standard Specification for Ductile Iron Gravity Sewer Pipe
• Effective Date: 01-Oct-2014
• Referred By: ASTM G218-19 - Standard Guide for External Corrosion Protection of Ductile Iron Pipe Utilizing Polyethylene Encasement Supplemented by Cathodic Protection
• Effective Date: 01-Oct-2014

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:A746 −09 (Reapproved 2014)
Standard Specification for
1
Ductile Iron Gravity Sewer Pipe
This standard is issued under the fixed designation A746; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 2.3 ASCE Standards:
Manuals and Reports on Engineering Practice, No.
1.1 This specification covers 4 to 64-in. ductile iron gravity
37,(WCPF Manual of Practice No. 9). “Design and
sewer pipe centrifugally cast with push-on joints. This speci-
4
Construction of Sanitary and Storm Sewers”
ficationmaybeusedforpipewithothertypesofjoints,asmay
2.4 AASHTO Standard:
be agreed upon at the time of purchase.
AASHTO T-99Standard Method of Test for the Moisture-
1.2 This specification covers trench load design procedures DensityRelationsofSoilsUsinga5.5lb(2.5kg)Rammer
for both cement-lined pipe and flexible-lined pipe. Maximum
and a 12 in. (305 mm) Drop
depth of cover tables are included for both types of linings.
3. Terminology
1.3 The values stated in inch-pound units are to be regarded
3.1 Symbols:
as standard. The values given in parentheses are mathematical
3.1.1 A—outside radius of pipe,
conversions to SI units that are provided for information only
D
and are not considered standard.
ft 5
24
2. Referenced Documents
D
inmetres 5
S D
2
2000
2.1 ASTM Standards:
2 2
3.1.2 a—conversionfactor,lb/ft topsi=144(kN/m tokPa
D2487Practice for Classification of Soils for Engineering
Purposes (Unified Soil Classification System) =1)
D3282 Practice for Classification of Soils and Soil-
3.1.3 B—1.5 ft (0.457 m)
Aggregate Mixtures for Highway Construction Purposes
3.1.4 b—Effective pipe length: 36 in. (0.914 m)
E8Test Methods for Tension Testing of Metallic Materials
3.1.5 C—surface load factor, Table 1
E23Test Methods for Notched Bar Impact Testing of Me-
tallic Materials 3.1.6 D—outside diameter, in., Table 2
6 6
3.1.7 E—modulus of elasticity, 24 × 10 psi (165.5 × 10
2.2 ANSI/AWWA Standards:
kPa)
C104/A21.4 Cement Mortar Lining for Ductile-Iron Pipe
3
and Fittings for Water
3.1.8 E'—modulus of soil reaction, psi, Table 3
C111/A21.11Rubber-Gasket Joints for Ductile-Iron Pres-
3.1.9 F—impact factor, 1.5
3
sure Pipe and Fittings
3
3
3.1.10 f—designbendingstress,48 000psi(331×10 kPa)
C150/A21.50Thickness Design of Ductile-Iron Pipe
C600Installation of Ductile-Iron Water Mains and Their 3.1.11 H—depth of cover, ft (m)
Appurtenances
3.1.12 K — bending moment coefficient, Table 3
b
3.1.13 K — deflection coefficient, Table 3
x
3.1.14 P—wheel load, 16 000 lb (7257 kg)
1
This specification is under the jurisdiction of ASTM Committee A04 on Iron
3.1.15 P — earth load, psi (kPa)
Castings and is the direct responsibility of Subcommittee A04.12 on Pipes and
e
Tubes.
3.1.16 P— truck load, psi (kPa)
t
Current edition approved Oct. 1, 2014. Published October 2014. Originally
approved in 1977. Last previous edition approved in 2009 as A746–09. DOI: 3.1.17 P — trench load, psi (kPa) = P + P
v e t
10.1520/A0746-09R14.
3.1.18 R—reductionfactorwhichtakesintoaccountthefact
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
that the part of the pipe directly below the wheels is aided in
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website.
3 4
Available fromAmerican National Standards Institute (ANSI), 25 W. 43rd St., Available fromAmerican Society of Civil Engineers (ASCE), 1801Alexander
4th Floor, New York, NY 10036, http://www.ansi.org. Bell Dr., Reston, VA 20191, http://www.asce.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
A746−09 (2014)
TABLE 1 Surface Load Factors for Single Truck on Unpaved Road
Pipe Size—in.
Depth
of Cover 3 4 6 8 10 12 14 16 18
ft
Surface Load Factor—C
2.5 0.0589 0.0713 0.1020 0.1328 0.1615 0.1901 0.2178 0.2443 0.2698
3 0.0437 0.0530 0.0759 0.0990 0.1207 0.1424 0.1637 0.1843 0.2044
4 0.0265 0.0321 0.0460 0.0602 0.0736 0.0871 0.1005 0.1136 0.1265
5 0.0176 0.0213 0.0306 0.0401 0.0490 0.0581 0.0672 0.0761 0.0849
6 0.0125 0.0151 0.0217 0.0284 0.0348 0.0413 0.0478 0.0542 0.0606
7 0.0093 0.0113 0.0162 0.0212 0.0260 0.0308 0.0357 0.0405 0.0453
8 0.0072 0.0087 0.0125 0.0164 0.0201 0.0238 0.0276 0.0313 0.0350
9 0.0057 0.0069 0.0099 0.0130 0.0160 0.0190 0.0219 0.0249 0.0279
10 0.0046 0.0056 0.0081 0.0106 0.0130 0.0154 0.0179 0.0203 0.0227
12 0.0032 0.0039 0.0056 0.0074 0.0091 0.0108 0.0125 0.0142 0.0159
14 0.0024 0.0029 0.0042 0.0055 0.0067 0.0080 0.0092 0.0
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: A746 − 09 A746 − 09 (Reapproved 2014)
Standard Specification for
1
Ductile Iron Gravity Sewer Pipe
This standard is issued under the fixed designation A746; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope
1.1 This specification covers 4 to 64-in. ductile iron gravity sewer pipe centrifugally cast with push-on joints. This specification
may be used for pipe with other types of joints, as may be agreed upon at the time of purchase.
1.2 This specification covers trench load design procedures for both cement-lined pipe and flexible-lined pipe. Maximum depth
of cover tables are included for both types of linings.
1.3 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only and are not considered standard.
2. Referenced Documents
2
2.1 ASTM Standards:
D2487 Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System)
D3282 Practice for Classification of Soils and Soil-Aggregate Mixtures for Highway Construction Purposes
E8 Test Methods for Tension Testing of Metallic Materials
E23 Test Methods for Notched Bar Impact Testing of Metallic Materials
2.2 ANSI/AWWA Standards:
3
C104/A21.4 Cement Mortar Lining for Ductile-Iron Pipe and Fittings for Water
3
C111/A21.11 Rubber-Gasket Joints for Ductile-Iron Pressure Pipe and Fittings
3
C150/A21.50 Thickness Design of Ductile-Iron Pipe
C600 Installation of Ductile-Iron Water Mains and Their Appurtenances
2.3 ASCE Standards:
Manuals and Reports on Engineering Practice, No. 37, (WCPF Manual of Practice No. 9). “Design and Construction of Sanitary
4
and Storm Sewers”
2.4 AASHTO Standard:
AASHTO T-99 Standard Method of Test for the Moisture-Density Relations of Soils Using a 5.5 lb (2.5 kg) Rammer and a 12
in. (305 mm) Drop
3. Terminology
3.1 Symbols:
3.1.1 A—outside radius of pipe,
D
ft 5
24
D
in metres 5
S D
2000
2 2
3.1.2 a—conversion factor, lb/ft to psi = 144 (kN/m to kPa = 1)
3.1.3 B—1.5 ft (0.457 m)
1
This specification is under the jurisdiction of ASTM Committee A04 on Iron Castings and is the direct responsibility of Subcommittee A04.12 on Pipes and Tubes.
Current edition approved May 1, 2009Oct. 1, 2014. Published June 2009October 2014. Originally approved in 1977. Last previous edition approved in 20032009 as
A746 – 03.A746 – 09. DOI: 10.1520/A0746-09.10.1520/A0746-09R14.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Available from American National Standards Institute (ANSI), 25 W. 43rd St., 4th Floor, New York, NY 10036, http://www.ansi.org.
4
Available from American Society of Civil Engineers (ASCE), 1801 Alexander Bell Dr., Reston, VA 20191, http://www.asce.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
A746 − 09 (2014)
3.1.4 b—Effective pipe length: 36 in. (0.914 m)
3.1.5 C—surface load factor, Table 1
3.1.6 D—outside diameter, in., Table 2
6 6
3.1.7 E—modulus of elasticity, 24 × 10 psi (165.5 × 10 kPa)
3.1.8 E'—modulus of soil reaction, psi, Table 3
3.1.9 F—impact factor, 1.5
3
3.1.10 f—design bending stress, 48 000 psi (331 × 10 kPa)
3.1.11 H—depth of cover, ft (m)
3.1.12 K — bending moment coefficient, Table 3
b
3.1.13 K — deflection coefficient, Table 3
x
3.1.14 P—wheel load, 16 000 lb (7257 kg)
3.1.15 P — earth load, psi (kPa)
e
3.1.16 P — truck load, psi (kPa)
t
3.1.17 P — trench load, psi (kPa) = P + P
v e t
3.1.18 R—reduction factor which takes into account the fact that the part of the pipe directly below the wheels is aided in
carrying the truck load by adjacent parts of the pipe that receive little or no load from the wheels, Table 4
3.1.19 t—net thickness, in. (mm)
3.1.20 t —minimum manufacturing thickness, in., t + 0.08, (in mm, t + 2.0)
1
3 3
3.1.21 w—soil weight, 120 lb/ft (18.85 kN/m )
TABLE 1 Surface Load Factors for Single Truck on Unpaved Road
Pipe Size—in.
Depth
of Cover 3 4 6 8 10 12 14 16 18
ft
Surface Load Factor—C
2.5 0.0589 0.0713 0.1020 0.1328 0.1615 0.
...