HomeMy WebLinkAbout32-93-20-Garden-Planter-Soil-Mix_Rev_1Dennis Yarmouth Intermediate Middle School January 19, 2021
Dennis Yarmouth Regional School District 100% Construction Documents
Perkins Eastman DPC, project #71011
32 93 20 GARDEN PLANTER SOIL MIX
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Section 32 93 20
GARDEN PLANTER SOIL MIX
PART 1 - GENERAL
1.1 SUMMARY
A. Drawings and general provisions of Contract, including General and
Supplementary Conditions and Division 01 Specification sections, apply to work
of this section.
B. Related Sections: The following Sections contain requirements that relate to this
Section:
1. Section 12 93 00 – Site Furnishings
1.2 DESCRIPTION OF WORK
A. Provide all materials, equipment and labor necessary to complete the work as
indicated on the drawings or as specified herein.
B. The principal work of this section includes, but may not be limited to, the
following:
1. Garden Planter Soil Mix
1.3 QUALITY ASSURANCE
A. Contractor shall specialize in work outlined with a minimum of five (5) years’
experience on similar projects.
B. Do not make substitutions without written approval. If specified materials are not
available, obtain approval for substitution from the Owner's Representative.
1.4 SUBMITTALS
A. Certification and/or labels of proposed soil additives stating names of each and
percentages by weight of each.
1.5 PRODUCT DELIVER, STORAGE AND HANDLING
A. Protect all products from weather vandalism or other damaging or deteriorating
conditions.
PART 2 - PRODUCTS
2.1 CLEAN SCREENED LOAM – Refer to Specification 32 93 00 – Soil Preparation for
Trees and Planting Beds.
2.2 NORLITE
A. Norlite, a lightweight, porous ceramic material, as manufactured by Norlite
Dennis Yarmouth Intermediate Middle School January 19, 2021
Dennis Yarmouth Regional School District 100% Construction Documents
Perkins Eastman DPC, project #71011
32 93 20 GARDEN PLANTER SOIL MIX
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Corporation, Cohoes, New York, or approved equivalent.
2.3 COMPOST
A. Compost shall be made from aged organic material, free from sticks, stones
and/or other substances which would be injurious to healthy plant growth.
Organic Compost shall be natural or manufactured mature, composted organic
material produced from a DEP-approved composting vendor. Only Federal EPA
Class A or Massachusetts Type I compost products shall be used. Sewage Sludge
(Biosolids) shall not be used. The following shall be requirements shall be met:
1. Compost shall originate from aged organic materials, free from sticks,
stones and/or other substances which would be injurious to health
plant growth.
2. Test results shall indicate maturity and age of organic compost. Raw
uncomposted or unprocessed or incompletely composted organic matter
shall be rejected.
3. Compost shall contain no uncomposted bulking agents such as
uncomposted wood chips and shall be free from hard lumps and free from
seeping water when handled.
4. Compost shall be free from sticks, stones, plastic, debris or other
substances which would be injurious to healthy plant growth. 100% of
compost material shall pass a ½” sieve.
5. Acidity range shall be pH 6 minimum and 8 maximum when tested
according to methods of testing or A.O.A.C.
6. Organic matter shall not be less than 30% as determined by ASTM
D2974.
7. Moisture content of 35% to 70%, as determined by ASTM D2974
8. Carbon:Nitrogen ratio of 15:1 to 30:1
9. Solvita intex of 6 to 8
10. Non-phytotoxic
11. There shall be no unpleasant or detectable odor of ammonia or
hydrogen sulfide, which would indicate immature compost. Color of
compost shall be dark brown.
PART 3 - EXECUTION
3.0 MIXING LOAM, COMPOST AND NORLITE
A. The Contractor shall thoroughly blend in 20% compost and 20% Loam and 60%
Norlite to result a planting mix. Planting mix shall be placed at the location and
depth shown on the Plans.
B. Planting mix shall be used in all school garden planters. Planters shall be filled
4” from the top with soil mix.
END OF SECTION 32 93 20