Platform Construction

Materials List for Osprey Platform
Item Quantity Size Description Approx. Price
Lumber
Pole
1
16′
6″ x 6″ Pressure Treated
$48.50
Box Frame
1
12′
2″ x 6″ Pressure Treated
9.00
Platform Base
1
5′
2″ x 6″ Pressure Treated (10′ length)
7.50
Perch Base
2
8′
2″ x 6″ Pressure Treated
12.00
Side Supports
1
3′
5/4″ x 6″ Pressure Treated (Ripped) extra good for additional nests
9.00
Wire Mesh
Hardware Cloth
1
3′ Square
1/4″ Galvanized
9.00
Fasteners
Platform Base to Pole
2
3/8″ x 6″
Galvanized Lag Bolts
1.20
2
3/8″
Galvanized Flat Washers
.20
Box to Platform Base
8
#8 x 3″
Coated Square Drive Deck Screws
5.49/Lb.
Four Corners of Box
12
#8 x 3″
Coated Square Drive Deck Screws
Perch Brace to Platform Brace
2
3/8″ x 8″
Galvanized Carriage Bolts and Nuts
2.00
2
3/8″
Galvanized Washers
.20
Perch Braces to Pole
1
1/2″ x 10″
Galvanized Hex Bolt
3.25
2
1/2″
Galvanized Flat Washers
.50
Fasten Wire to Box
40
3/4″
Galvanized Fence Staples (2.39/lb.)
1.00
Side Supports to Box
8
8b
Galvanized Nails (1.99/lb.)
.50
Estimated Total Cost*
$109.34

All poles must have a predator guard!

Please contact:
Kathy Clark, Principal Zoologist
Department of Fish, Game and Wildlife
Endangered and Nongame Species Program
2201 Route 631, Woodbine, NJ 08270
609-628-2103

Let the program know where you place osprey nest platforms and when they are used by a pair of ospreys. They will include the site in biennial surveys. Thank you for helping osprey in New Jersey.

* prices based on 2007 costs

Directions for Predator Guard (PDF)

CAD Diagram for Osprey Platform (EXE)

NJ Conserve Wildlife Foundation Construction Film