Report for Isle Aux Peches Rear Range (Michigan) - 1909

General
District: 11th
Inspector: Ralph R. Tinkham
Location: Situated in SW'ly end of Lake St. Clair, NE of Isle aux Peches, & about 3300' apart
Date of Report: 03/28/1909
Latitude:
Longitude:
Premises
Site: Submarine site. Crib in 14' of water
Date of Reservation:
Date of Deed:
Date of Permission:
Date of Lease:
Area of the Entire Site: 30' x 30' = 900 sq. ft.
Area Inclosed: Entire crib
Character of Soil:
Distance of tower from Nearest High-Water Mark:
Inclosures to Premises / Type of Fence: By chain railing consisting of 2 stretches of 1/2" chain supported by 2" cast iron pipe uprights set in 2.5" pipe sockets - 20 of these.
Wharf or Landing on Premises: Laid on piers by wrought iron rounds bolted to timbers
Road to Land or Wharf Chararacter of and Distance:
Means to Reach Light Station: By boat only
Distance to Nearest Road: 7.5 miles to center of Detroit.
Distance to Post Office: Detroit P.O.
Distance to Village: 7.5 miles to center of Detroit.
Facilities for Public Conveyance: None
Facilities for Private Conveyance: By large boat or launch from Detroit.
Means Used for Support of Lantern: Steel tower
Number of Separate Lights: 1
First Built or Established: 1898 as wood target & lens lantern
Last Rebuilt, Repaired, or Renovated: 1908 crib completed & tower built
Condition at This Date: Good
Shape of Tower in Plan: Circular
Form of Tower: Conical
Height from Base to Ventilator Ball: 56' 9"
Height of Focal Plane Above Mean High Water: 58' 6"
Background of Lighthouse as Seen from Sea: Wooded
Color of Tower: White
Color of Tower/ How Produced: Paint
Tower Connection: Stands alone
Object of Navigation: Range light for Lake St. Clair 20' Channel. Bearing 47 degrees 41' (NE 1/4 E)
Building Materials: 5/16" steel plate, L base ring; 6 laced single struts
General Description:
Wall Thickness at Base: 5/16" plate - 6 struts leave an open well 6' 1" in diam.
Wall Thickness at Parapet: 5/16" plate - 6 struts leave an open well 6' 1" in diam.
Diameter at Base: 13'
Diameter at Parapet: 8'
Kind of Stairway and Steps: Circular winding cast iron, main st.; Plate string & C.I. treads, Lantern str.
Number of Landings: 1 - watchroom floor
Size of Glass: 12" x 18"
Number of Windows and Size of Sash: 6 - sash 16" x 23"
Number of Doors: 1 entrance door plus large door cut in side of tower to admit acetylene tanks.
Kind of Foundation and Depth Below Surface: Timber cribs filled with stone & with rip rap on all sides to water surface. Crib is 30' x30' plan & 15' 6" high. Base of tower 7' 6" above mean lake level. Sand bottom.
Character of Soil Surrounding the Lighthouse:
Soil Susceptibility:
Miscellaneous Remarks: Tecumseh Church 153 degrees 14' (SSE 3/8 E) 1 29/64 miles; Belle Isle Light Station 246 degrees 48' (SW by W 15/16 W) 2 15/32 miles; Windmill Pt. Lt. Sta. 291 degrees 12' (WNW 1/8 W) 25/32 miles
Lantern and Fixtures
Order of Lantern: 4th
Shape of Lantern: Polygonal
Diameter to Glass: 7' 0 3/4"
Diameter in the Clear: 6' 7"
Number of Sides: 8
Type of Bars: Vertical
Thickness of Bars:
Height Glazed: 36"
Number of Plates in Height: One
Number of Plates Each Side: One
Thickness of Plates: 5/16"
Size of Plates: 34" x 36"
Number of Storm Panes: None
Unglazed Side of Lantern: 5 panels 225 degrees
What Bearings: SW'ly side btwn 115 degrees (SE x E 3/4 E) & 348 degrees (N x W 3/4 W)
Construction Material Lantern: Parapet of 8 Cast iron plates, CI door in 1 of them, Verticals CI Sheet steel lining & parapet
Construction Material Roof / Cowl: 8 cast iron plates, zinc lining
Ventilator / Cowl: Cast iron
Lightning Spindle: Brass with platinum point
Description of Lightning Rod: 1/2" round copper rod attached to base ring of tower, led thru deck of crib into water where it is attached to an anchor bolt in stone fill 3' under water.
Balustrade: Gallery cast iron; balustrade wrought iron.
Lantern Doors: 1 cast iron door, sheet iron lining, in parapet, is 2-fold & has brass hinges & bolt.
Floor of Lantern: Cast iron
Watchroom Doors: Steel plate trap door with hand hole lift.
Parapet Diameter: 6' 7"
Ventilators
Location / Number: 4 ventilators in parapet. Bronze valve registers inside, iron hoods outside.
Ladders / Cleaning Arrangement: None needed
Curtain Hooks / Hanger: Bronze hooks screwed to soffit castings of lantern.


Watchroom
How is Watchroom Fitted: With small wood closet across 1 side of landing 30" high with 1 door. Acetylene valve apparatus in closet & pressure gauge on wall with conductor pipes, etc. leading thru lantern floor above.
How is Relief Called:
Where is Call System Led:
Illuminating Apparatus
Kind of Apparatus:
Intensity in Candles:
Name of Maker: Adams & Westlake
Year Made:
Marks and Number: No. 1065
Order of Apparatus:
Inside Diameter: 23"
Light Characteristic: Fixed red
Time of Revolution:
Flash Interval:
Duration of Flash:
Arc of Each Fixed Part:
Number of Panels:
Number of Flash Panels:
Arc of Each:
Number of Elements in Central Drum:
Number of Prisms Above Center Drum:
Number of Prisms Below Center Drum:
Does Apparatus Revolve?: False
Is There a Revolving Belt?: False
Revolving Panels:
How Flash is Produced:
Number of Vertical Elements Panel:
Fixed Lens Covered:
Pedestal: Light wood framework table supporting the headlight.
Service Table:
Draft Tube Description:
Revolving Machinery:
Standby and Description:
Chariot Float or Balls:
Chariot Description:
Length of Drop Tube:
Clock Weight:
Length of Winding Time:
Drive During Rewind:
Machinery Protection:
Regulated:
Lens Protection:
How Color is Produced: Glazed with light ruby glass.
Red Sectors Description:
Where Color Attached: To illuminating apparatus
Form of Colored Glass:
Lamp Description: Locomotive headlight.
Type of Illuminant:
Number of Spare Lamps: 1 spare headlight
Number of Spare Burners:
Candle Power:


Compressed Gas
Gas Container: 2 steel cyl. tanks in base of tower, 20 1/4" dia. 10' 4" high. Cap. = 2200 cu ft each.
Compressed Gas Capacity: 2200 cu ft. each
Compressed Gas Charge: 150 lbs
How Supply Renewed: Shipping tanks to maker to recharge
At What Intervals: Not in use long enough to determine.
Spare Containers:


Gas Light
Gas Light Kind: Acetylene in acetone
Gas Light Number of Burners: 1
Kind of Burner: 3/4' lava
Candlepower Per Burner: Not determined
Total Candlepower:
Consumption Gas Burner Per Hour: 3/4 cu ft./hr approx.
Total Consumption Per Hour:
How Gas Obtained: 2 tanks charged by makers at Joliet, ILL.
Closets and Store Rooms
Tower Closet Use: Small cupboard of wood in watchroom. 1 tower of wood in base of tower for general purpose storage.
Oil House Description: Situated at Windmill Point Light Station. - circular
Oil House Inside Dimension: 6' diam.
Oil House Construction Material: Steel plate lined with brick
Oil House Capacity: 45 5-gal cans = 225 gals.
Other (Describe):
Suitability: Suitable.
Miscellaneous
Access to Lighthouse: Land directly onto crib by means of ladder formed by round iron steps fitted into crib timbers. 3 ladders to crib. 2 sets of boat davits, 1 on E'ly side & 1 W'ly. Also have heavy cleats for tying up to.
Distance and Direction:
Miscellaneous Remarks: