Engineering reference data applicable to the design and construction of sanitary sewer systems. Included is information on estimating quantity of sanitary sewerage, sewer and drain layout, hydraulics of sewers and drains, sewer pipe selection in relation to corrosion, structural analysis and design of rigid conduits underground and trench load tables based on Marston's formula.
A discussion of all phases of sewer line excavation, installation, backfilling and testing for vitrified clay sewer pipe. A handy reference booklet for the pipe installer and sewer inspector.
A computer program containing EASE, trench load design based upon the Marston equations and ASTM requirements, BEDCOST, a method of comparing the cost of installing different types of pipe using applicable ASTM Standards, HYFLO, applies the standard Manning hydraulic flow equation to determine pipe diameter, quantity of flow or velocity and LOWCOST, computes project life cycle costs based upon historic inflation and interest ratios.
Describes the basic reasons why clay pipe continues to be the best material for our nation's sanitary sewers.
Shows that a team effort will result in the installation of permanent sewer systems. It explores the roles of the manufacturer, contractor, inspector and engineer.
Describes several conditions as seen in televised sewer inspection. Operators are cautioned that the camera angle and light intensity can distort the televised image making analysis difficult.
When all factors are considered including the environmental impact, VCP is the best choice.
This bulletin presents the basic requirements of a permanent, trouble-free sanitary sewer system. A concise guide for the layman in better understanding sewer pipe performance and selection.
A pocket sized handbook containing procedures and air test holding times for vitrified clay pipe.
This report reviews the results of 2,000 individual determinations to determine variables that influence Manning's "n" factor. (Don E. Bloodgood and John M. Bell, Purdue University)
This article describes NCPI research which led to the classifications of six bedding materials commonly used to support sewer pipe.
This report describes the NCPI research study to determine the reliability of load factor values as applied to vitrified clay pipe installed in current bedding systems.
This independent study shows that vitrified clay pipe is one of the most energy efficient sanitary sewer pipe materials on the market today.
The following ASTM Recommended Standard Practices are available from NCPI: (a) ASTM C-12, Installing Vitrified Clay Pipe Lines; (b) ASTM C-301, Testing Vitrified Clay Pipe; (c) ASTM C-425, Compression Joints for Vitrified Clay Pipe and Fittings; (d) ASTM C-700, Vitrified Clay Pipe, Extra Strength, Standard Strength and Perforated; (e) ASTM C-828, Low Pressure Air Test of Vitrified Clay Pipe Lines; (f) ASTM C-896, Standard Definitions of Terms Related to Clay Products and (g) ASTM C-1091 Standard Test Method for Hydrostatic Infiltration and Exfiltration Testing of Vitrified Clay Pipe Lines and ASTM C1208, Standard Specification for Vitrified Clay Pipe and Joints for use in Jacking, Sliplining and Tunnels.
This brochure considers the important factors that should enter into the critical decision of pipe selection.
This four page brochure describes the value of applying life cycle analysis to sewer pipe selection.
Circular slide rule for making quick hydraulic solutions.
This reprint establishes references to show that clay pipe is demonstrating outstanding durability making it a cost effective material for use in sanitary and industrial waste sewer lines.
An evaluation of traditional load factor values for clay pipe and the latest cost effective bedding techniques for increased field supporting strength.
Advances made in the jointing of vitrified clay pipe which have culminated in all the advantages of today's factory applied jointing system.
Report on a computerized trench load design program which provides cost effective installation solutions.
Presents a statistical method for calculating the maximum axial force.
The differences in durability of alternate materials are weighed against the differences in initial bid price.
Reports the test results leading to the development of a new ASTM bedding system for clay pipe.
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Copyright © 1998 National Clay Pipe Institute
Last modified: June 6, 2002
