NORTH KINGSTOWN HIGH SCHOOL,  NORTH KINGSTOWN, RHODE ISLAND

PROPOSED HIGH SCHOOL ATHLETIC FIELD SURFACING

Based on 81,000 sq. ft tpe. Soccer Field

PREPARED BY PRESSLEY ASSOCIATES
432 COLUMBIA STREET
CAMBRIDGE, MA 02141

SEPTEMBER - 1998 

PRODUCT TYPE

REINFORCED NATURAL TURF

NATURAL TURF

ARTIFICIAL TURF

DESCRIPTION

Natural Sod Topdressed with Crumb Rubber

Natural Sod with Fiber Reinforced Rootzone Mix

Natural Sod Reinforced with 9000 Denier Fiber

Natural Turf Reinforced with Fiber Carpet

SOD ON ROOTZONE MIX WITH IRRIGATION

INFILLED ARTIFICIAL GRASS

ARTIFICIAL GRASS CARPET

BRAND NAME

CROWN-3

STRATHAYR SYSTEM-NETION

GRASSMASTER

SPORTGRASS

(SOD)

SPRINTURF

FIELD TURF

ASTROTURF

CONSTRUCTION PROFILE

Sod layer topdressed with crumb rubber 12" rootzone mix 60% sand 40 % loam

Sod layer 6" Rootzone with nylon netting 60 % sand 40 % loam

6" sand/loam mix with Grassmaster fibre (+/- 1" exposed "grass plugs")

Grass Sod on top of 2" amended sand and 2" polypropylene blades in a woven synthetic backing. 10" amended soil 80% sand 20% Loam

Sod layer 12" rootzone mix 60 % sand 40% loam 

Polyethylene fiber carpet with 2" blades
Synthetic rubber infill mixture-1"
2" porous sand with rubber under carpet

Polypropylene fiber carpet with 2.5" blades
2" rubber/sand infill mixture

5/8" knitted nylon ribbon with synthetic fiber backing adhered to a closed cell foam pad cushion.

Subdrain

6" sand 6" pea gravel with subdrainage

10" drainage layer

4" gravel with subdrainage

Subdrain

Free Draining Geotxtile Membrane 6-12" Porous Stone Underdrainage system

8"-18" crushed stone base (depth varies with subdrainage profile)

10" Drainage layer

Typical subgrade 

Typical subgrade

Typical subgrade

Typical subgrade

Typical subgrade 

Typical subgrade

Typical subgrade 

Typical subgrade 

TYPICAL COSTS 

Initial

$270,000

$650,000

$729,000

$850,500

$260,000

$600,000

$725,000

$1,134,000

Yearly Maintenance

$20,000/year

$25,000/year

$20,000/year

$20,000/year

$20,000/year

$5,000/year

$5,000/year

$5,000/year

Replacement - Sod/turf only

$35,000 after 4 Years

$34,000 after 4 years

$81,000 after 5 years

$445,500 after 5 years

$34,000/after 4 years

after 10-12 years - $250.000

after 10-12 years -$250.000

after 10-12 years - $770,000

TOTAL COSTS OVER 13 YR.

$625,000

$1,077,000

$1,151,000

$2,001,000

$622,000

$915,000

$1,040,000

$1,968,500

PLAYABILITY

Number of Games per year

Maximum: 100

Maximum: 180

Maximum: 180

Maximum: 180

Maximum : 60

(Unlimited) Maximum: 360

(Unlimited) Maximum: 360

(Unlimited) Maximum: 360

COST PER EVENT

$489.00

$460.00

$492.00

$855.00

$797.00

$195.50

$222.00

$420.00

YEARS ON MARKET

Oldest installation is 6 years old, located in Victoria, Australia Melbourne Cricket Ground

Oldest installation is 5 years old, located in S'hert Hoggenbush, Netherlands

Oldest installation is 3 years old, located in Salt Lake City, Utah Rice Stadium, Univ. of Utah

Natural Product

Oldest installation is 1 year old, located in Canton, Ohio 
6 fields under construction

Oldest installation is 5 years old, located in Ontario
38 fields in place (18 in 1997)

Early 1970's

ADDITIONAL NOTES

Natural renewable resource

With appropriate maintenance, grass is the most common surface, safe for play and

comfortable.

Costs of maintenance will decrease with increased use of

Extends growing season, reduces soil compaction, freeze burns, & sod replacement

With appropriate maintenance, grass is the most common surfaces, safe for play and comfortable.

Provides rapid drainage

Provides a built in resistance to soil compaction.

Reduces divot size and recovery time.

Costs of maintenance will increase with increased use of the field.

 Acceptable for soccer due to natural ball action.

1993 Season 100 Games @ 3 hours

Acceptable for soccer due to natural ball action.

As there is no solid/semi-solid base, rain drains right through.

Manufacturer claims field is playable in situations of up to 4" per hour of rain.

DD Martin's Grass Master offers the technical advantages of natural grass yet extends the playability of a field.

Comparable to a natural grass pitch: Visual appearance, Playing characteristics, Maintenance

Combines durability and wear resistance of synthetic turf with the playability of natural grass.

As there is no solid/semi-solid base, rain drains right through.

Manufacturer claims field is playable in situations of up to 4" per hour of rain.

100 percent natural grass playing surface grown in a layer of amended sand.

Minimal additional cost

Natural renewable resource

With appropriate maintenance, grass is the most common surface safe for play comfortable.

Cost of maintenance will increase with increased use of the field.

The polypropylene/  polyethylene blend fibers split above the infill layer, and knit together to hold the infill mix in place.

As there is no solid/semi base, rain drains right through. Field is playable in situations of up to 4" per hr. of rain.

Footing doesn't deteriorate.  

Manufacturer claims rubber mix is non-abrasive, feels that sand in mixes of similar products is abrasive, and that abrasiveness shears off fibers at the surfaces, reducing life- span.

Sand mixtures under carpet compact to hard surface.

The poly-propylene/ polyethylene blend fibers split above the infill layer, and knit together to hold the infill mix in place.

As there is no solid/semi-solid base, rain drains right through. Field is playable in situations of up to 4" per hour of rain. Footing doesn't deteriorate.

Manufacturer claims sand/rubber mix is non-abrasive. No reported incidences of foot-lock or abrasion injuries.

Designed specifically for multipurpose athletic and recreation needs.

Performs well in any climate or weather conditions.

Increased number of revenue producing events.

Information based on manufacturers propaganda.

Information based on manufacturers propaganda.

Information based on manufacturers propaganda.

Information based on manufacturers propaganda.