DRAINAGE PIPE FOR PLANT PITS AND BEDS

][2.7

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NOTE: Check with the local Agriculture County

Extension Service Office for recommended type of

drainage pipe. Specify only one type of drainage

pipe for the project.

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NOTE: If Section 02630 is utilized, delete

requirements for "DRAINAGE PIPE FOR PLANT PITS AND

BEDS."

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[Plastic polyvinyl chloride pipe, [_____] mm. inches in diameter,

[unperforated] conforming to ASTM D 3034 SDR 35 [perforated] conforming to

ASTM D 2729.] [Corrugated plastic drainage tubing, [_____] mm inches in

diameter, [unperforated] [perforated] conforming to ASTM F 405.] [Clay

drain tile, [_____] mm inches in diameter, [unperforated conforming to ASTM

C 4] [perforated conforming to ASTM C 4] [[extra strength] [standard

strength] conforming to ASTM C 700].]

]2.8

MULCH

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NOTE: Check with the local Agriculture County

Extension Service Office for recommended and locally

available mulch material. Examine installations

design guides if available for approve mulch list.

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Free from noxious weeds, mold, or other deleterious materials.

2.8.1

Inert Mulch Materials

[Riverbank stone] [crushed pit-run rock] [granite chips] [marble chips]

[crushed bricks] [volcanic rock] [_____] ranging in size from [_____] to

[_____] mm inches.

2.8.2

Organic Mulch Materials

[Wood chips] [ground or shredded bark] [shredded hardwood] [bark peelings]

[pine straw mulch] [pine needles] [_____].

[2.8.3

Recycled Organic Mulch

Recycled mulch may include compost, tree trimmings, or pine needles with a

gradation that passes through a 65 by 65 mm2-1/2 by 2-1/2 inchscreen. It

shall be cleaned of all sticks a minimum 25 mm1 inch in diameter and

plastic materials a minimum 75 mm3 inches length. The material shall be

treated to retard the growth of mold and fungi.

SECTION 02930

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