Agenda

SECTION 02830

TOPSOIL, HYDROSEEDING, AND TURF ESTABLISHMENT

PART 1 - GENERAL

1.1 SCOPE OF WORK

A.

Furnish all labor, materials, equipment and incidentals required to place
topsoil, finish grade, furnish and apply lime and fertilizer, furnish and
hydraulically apply seed and mulch, and maintain all seeded areas as specified
herein. Topsoil will be available for use by the CONTRACTOR on-site.
CONTRACTOR shall load and haul topsoil to the project area.

3.2

3.3

3.4

BACKFILL AND COMPACTION

A.

Backfill and compaction shall be as specified in Section 02200.

PIPE BEDDING CONDITIONS

A.

Pipe laid in open trench excavations shall be bedded in and uniformly
supported over their full length on compacted Drainage Sand.

INSTALLATION OF PIPE AND FITTINGS

A.

PART 2 - PRODUCTS

2.1 PIPE AND FITTINGS

A.

Polyethylene (PE) Pipe

1. PEpipe shall conform to AASHTO M294.

2. Polyethylene flared end sections shall be fabricated by the same
manufacturer as the pipe, and shall be intended for use with the pipe
provided.

3. Split couplers shall be designed as soil-tight with a gasket.

Corrugated Polyethylene Pipe (CPP)

SECTION 02710

CULVERTS

PART 1 - GENERAL

1.1 SCOPE OF WORK

A. CONTRACTOR shall provide all labor, materials, tools, and equipment and
perform all operations necessary to furnish, install culverts, including
necessary joints and connections as required. Culverts shall consist of sections
of pipe of the kinds and sizes shown on the Drawings and as specified, laid on a
firm foundation in accordance with these Specifications.

1.2 SUBMITTALS

2.03 REVIEW OF TEST RESULTS

A. The CQA Consultant shall review the interface strength testing reports to evaluate
whether the test results meet the minimum requirements of this specification.

B. The Contractor shall retest failed interfaces. Testing may be done at the same
laboratory or another independent laboratory. Retesting shall be performed at

the Contractor’s expense. Retest results shall be reviewed by the CQA Consultant
and/or Engineer.

[END OF SECTION 02560]

B. The size of the geosynthetic sample to be obtained from each material type shall
be determined by the needs of the test to be performed, and be no small than a
3-foot long piece cut along the length of the geosynthetic roll.

C. Soil components used in the laboratory testing program shall be obtained from
the borrow source or from soil stockpiles to be utilized in the construction of
the soil components during construction.

2.02 INTERFACE STRENGTH TESTING REQUIREMENTS

SECTION 02560

INTERFACE STRENGTH TESTING

PART 1 - GENERAL

1.01 SCOPE OF WORK

A.

The work in this Section includes all labor, materials, tools, and equipment
necessary to perform interface strength testing for the liner system components
using ASTM D5321 or D6243 for testing involving a Geosynthetic Clay Liner
(GCL).

Liner system interfaces to be testing include:
Drainage Sand/Drainage Geocomposite;
Drainage Geocomposite/Geomembrane;
Geomembrane/GCL;

3.7. FINAL INSPECTION

A. A final inspection shall be performed by the Installation Contractor, the CQA
Consultant, ENGINEER, and OWNER prior to the Installer’s crew demobilizing
from the site. All identified problem areas shall be repaired by the Installation
Contractor and accepted by the CQA Consultant prior to the installation crew
demobilizing from the site.

[END OF SECTION 02550]

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H. Laboratory testing of each seam sample shall be coordinated by the CQA
Consultant and performed by an independent geosynthetic testing laboratory
paid for by OWNER. Two samples will be tested for shear and five samples for
peel (10 peel tests total for fusion welds as both edges of the weld must be
tested). Two passing shear tests and 4 out of 5 passing peel tests (9 out of 10
for fusion welds) are required for an acceptable seam. The minimum
acceptable values for passing the tests shall be those listed in Paragraph
3.5.D.4 of this Section.

must be approved by the CQA Consultant prior to use. The CQA Consultant has
the right to reject any vacuum box that he feels may not provide accurate
results.