Exterior Improvements

GENERAL PROVISIONS

• All campus spaces should be designed to the same standards of full accessibility as are the University’s buildings.
• Whenever possible specify pervious and semi-pervious hard surfaces to mitigate runoff.
• Graded slopes exceeding 30 degrees are not permitted.
• Areas open to unrestricted vehicular traffic should separate pedestrian and vehicular traffic to the greatest extent possible. While service routes typically used on a daily basis by University vehicles should be combined with main pedestrian paths where possible.
• Standard walkway width shall be 8 feet.
• Parking:

• Parking lots should always be designed and treated as campus spaces, designed to collegiate standards, not suburban.
• All parking lots shall have curb cuts every 200 feet min. around perimeter.
• Provide curb cuts to all islands requiring mowing.

• Traffic control signage shall meet OMUTCD (Ohio Manual of Uniform Traffic Control Devices) standards.
• Curb cuts shall be 72 inches minimum.
• Light poles shall have 24” high concrete base.
• Athletic Fields:

• All athletic field contractors will have athletic field installation experience of 3 or more years and provide 3 recent project references.
• Provide permanent electric and water sources for all fields.
• Assure adequate on site storage space for small and large equipment, tools, etc.
• Provide automatic underground irrigation system.
• Approved athletic field drainage system required for all new athletic fields.

 

321216 – ASPHALT PAVING

• Reference ODOT 400 – Flexible Pavement
• Asphalt access roads and cross walks are not permitted.
• Areas of ODOT Heavy duty and ODOT Light duty pavement will be coordinated with WSU.

 

321313 – CONCRETE PAVING

• Reference ODOT 450 – Rigid Pavement
• Locations that are expected to be used only by pedestrians, snow removal equipment and occasional police or ambulance vehicles shall be designed of Portland cement concrete as follows:
  • 4000 psi minimum comprehensive strength
  • Air entrained
  • 5” min. thickness
  • 6x6 10/10 welded wire fabric
  • 5” min. compacted granular materials base

 

321400 – UNIT PAVING

• Use off-the-shelf items, 2 inch thick minimum, standard stock and available locally.
• Provide concrete under pavers at locations where vehicle traffic may occur.
• Provide gravel/sand bed under pavers for pedestrian use only.
• Minimize exposure to construction trucks and equipment.  If necessary, use ¾” plywood for protection.

 

321443 – POROUS UNIT PAVING

• Whenever possible specify pervious and semi-pervious unit paving to mitigate runoff.  Careful analysis needs to be done prior to specifying porous unit paving due to clay substrate throughout campus grounds.

 

321713 – PARKING BUMPERS

• Parking bumpers shall be of PVC or similar materials as approved by the University. Precast bumpers are not permissible. 

 

321723 – PAVEMENT MARKINGS

• Reference ODOT 640 – Pavement Marking
• All pavement marking to be hot tape or poured in place thermoplastic
• Standard parking stall size shall be 9’ x 18’
• White color for student area markings
• Blue color for ADA area markings
• Yellow color for all other area markings

 

323113 – CHAIN LINK FENCES AND GATES

• Black vinyl coated is standard.
• Standard height 6’-0”
• Gates shall be 36” minimum wide.

 

329113 – SOIL PREPARATION

• Specify 6 inches of topsoil for lawn areas and 12 inches for planting areas.
• Topsoil to be provided at all areas receiving sod or planting.
• Areas to be seeded/sodded shall be cultivated to the depth of 6 inches. 
• Areas that have been compacted during construction shall be cultivated 4-6 inches prior to topsoil being applied.
• All rocks, gravel, dirt and turf clods shall be removed prior to seeding.

 

329200 – TURF AND GRASSES

• University’s standard seed mixture:

• 40% SR 8300 Tall Fescue
• 40% SR 8200 Tall Fescue
• 20% Titan Fescue

• Preferred sod is Green Velvet “Sports Mix” by Green Velvet Farms, Bellbrook, Ohio.  Preparation and installation shall be in accordance with ODOT item 660 material specification. 
• Sod and turf to be planted within 24 hours of delivery.
• Seeding is not permitted, unless approved by the University.  
• No irrigation/watering will be provided to plantings beyond first year.
• Grades shall not exceed 15 degrees.

 

329300 – PLANTS

• All plant materials shall be approved by University prior to installation.
• No irrigation/watering will be provided to plantings beyond first year.
• Priority shall be given to native drought-resistant species.
• Specify trees with 2” min. trunk.
• Provide 20’ min. clearance between large trees and light poles.
• Provide 10’ min. clearance between large trees and sidewalks.
• Follow ANSI Standards A300, Parts 3, 5 and 6 for tree care practices standards.
• Any plants found on the Invasive plant list from Ohio Department of Natural Resources (http://ohiodnr.com/tabid/2005/Default.aspx) are prohibited from campus.
• Open, grassy areas of the campus should be planted in a park like manner with 80% high canopy shade trees and 20% in evergreen and ornamental trees.
• At least 80% of the tree plantings in the core campus should be composed of “best” campus trees.  The best campus trees for WSU include:

• White Oak
• Red Oak
• Dogwood
• Red Bud
• White Ash
• Tulip Poplar
• American Beech
• Kentucky Coffee Tree

• At least 80% of the deciduous shrubs in the core campus should be composed of the following:

• Shrub Roses
• Beauty Berry
• Viburnum
• Spirea
• Hypericum

• At least 60% of the Evergreen shrubs in the core campus should be composed of a following groups:

• Blue Holly – for edges
• Littleleaf Boxwood – for edges
• Juniper  - for slopes only

• Develop flowers in association with permanent planting areas and strictly limit to important arrival or gathering areas for visitors and students.

 

329500 – VEGETATED ROOF ASSEMBLIES

• Extensive Green Roof – existing structures.
• Intensive Green Roof – new structures.
• Provide leak detection system.
• Consider rain water collection for irrigation.