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Finance Committee - Agenda - 3/17/2021 - P550

By dnadmin on Mon, 11/07/2022 - 13:46
Document Date
Fri, 03/12/2021 - 12:03
Meeting Description
Finance Committee
Document Type
Agenda
Meeting Date
Wed, 03/17/2021 - 00:00
Page Number
550
Image URL
https://nashuameetingsstorage.blob.core.windows.net/nm-docs-pages/fin_a__031720…

Specification 15210 - High Density Polyethylene (HDPE) Pipe, Fittings, And Appurtenances

Page 2 of 8

January 2021 3066.21
Property Unit Test Value
Procedure

Material Designation - PPI/ASTM PE 3408

Material Classification - ASTM D1248 IC 5 P34

Cell Classification - ASTM D3350 345464C

Density g/cm3 ASTM D1505 >0.940

Melt Index g/10 min ASTM D1238 <0.15

Flexural Modulus psi ASTM D790 110,000 to <160,000

Tensile Strength at yield psi ASTM D638 3,000 to <3,500

Slow Crack Resistance hours ASTM F1473 >100

(PENT)

HDB psi ASTM D2837 1,600 @ 23°C

UV Stabilizer % Carbon Black | ASTM D1603 2 to3

Elastic Modulus psi ASTM D638 110,000

Brittleness Temperature oF ASTM D746 <-180

Vicat Softening oF ASTM D1525 255

Temperature

Thermal Expansion in/in/°oF ASTM D696 1x 10+

Hardness Shore D ASTM D2240 64

B.

There shall be no evidence of splitting, cracking, or breaking when the pipe is
tested.

Ring Stiffness Constant (RSC) values for the pipe shall be 90 percent of the
nominal.

The pipe and fittings shall be homogenous throughout and free from visible
cracks, holes, foreign inclusions, or other injurious defects. The pipe shall be as
uniform as commercially practical in color, opacity, density, and other physical
properties.

Clean rework or recycled material generated by the Manufacturer’s own
production may be used so long as the pipe or fittings produced meet all the
requirements of this Section.

2.2 PIPEAND FITTINGS

A.

Dimensions:

1. Pipe Dimensions: The nominal inside diameter of the pipe shall be true to
the specified pipe size in accordance with ASTM D2513. Standard laying
lengths shall be 40 ft + 2 in.

2. Fitting Dimensions: Fittings such as couplings, wyes, tees, adaptors, etc. for
use in laying pipe shall have standard dimensions that conform to ASTM
D3261.

3. Pipe and fittings shall be as noted on the drawings.

SANBORN HEAD

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Finance Committee - Agenda - 3/17/2021 - P550

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