Report for Portage Lake Ship Canals Pierhead (Michigan) - 1910
General |
District: | 9th |
Inspector: | Olivar G. Brown |
Location: | On the end of the West pier at the entrance to Portage Lake Ship Canals, Mich. NW'ly shore of Keweenaw Peninsula. |
Date of Report: | 07/31/1910 |
Latitude: | 47° 13' 51" |
Longitude: | 88° 37' 45" |
Premises |
Site: | Originally leased site from Canal Co., Now pier is controlled by War Department. |
Date of Reservation: | |
Date of Deed: | |
Date of Permission: | |
Date of Lease: | 08/22/1878 |
Area of the Entire Site: | |
Area Inclosed: | |
Character of Soil: | |
Distance of tower from Nearest High-Water Mark: | |
Inclosures to Premises / Type of Fence: | |
Wharf or Landing on Premises: | |
Road to Land or Wharf Chararacter of and Distance: | |
Means to Reach Light Station: | |
Distance to Nearest Road: | |
Distance to Post Office: | |
Distance to Village: | |
Facilities for Public Conveyance: | |
Facilities for Private Conveyance: | |
Means Used for Support of Lantern: | Tower. |
Number of Separate Lights: | 1 |
First Built or Established: | 1879 |
Last Rebuilt, Repaired, or Renovated: | 1895 |
Condition at This Date: | Good. |
Shape of Tower in Plan: | Square |
Form of Tower: | Pyramidal. |
Height from Base to Ventilator Ball: | 40' |
Height of Focal Plane Above Mean High Water: | 41' |
Background of Lighthouse as Seen from Sea: | Wooded. |
Color of Tower: | White |
Color of Tower/ How Produced: | Paint |
Tower Connection: | By elevated walk way from dwelling through fog signal building. |
Object of Navigation: | Harbor light & guide into canal. |
Building Materials: | Skeleton wooden frame with upper part enclosed. |
General Description: | |
Wall Thickness at Base: | 8" x 8" posts with 6 x 8 braces. |
Wall Thickness at Parapet: | Upper part enclosed & shingled. |
Diameter at Base: | 14' square. |
Diameter at Parapet: | 10' square. |
Kind of Stairway and Steps: | Wooden strips. |
Number of Landings: | |
Size of Glass: | |
Number of Windows and Size of Sash: | |
Number of Doors: | |
Kind of Foundation and Depth Below Surface: | Tower rests on pier. |
Character of Soil Surrounding the Lighthouse: | |
Soil Susceptibility: | |
Miscellaneous Remarks: |
Lantern and Fixtures |
Order of Lantern: | 4th |
Shape of Lantern: | Polygonal. |
Diameter to Glass: | 7' 1/2" |
Diameter in the Clear: | |
Number of Sides: | 8 |
Type of Bars: | Vertical |
Thickness of Bars: | |
Height Glazed: | 3' 0" |
Number of Plates in Height: | 1 |
Number of Plates Each Side: | 1 |
Thickness of Plates: | 1/4" |
Size of Plates: | 2' 10" x 3' 0" |
Number of Storm Panes: | None. |
Unglazed Side of Lantern: | All sides glazed. |
What Bearings: | |
Construction Material Lantern: | Lower part cast iron. upper part wrought iron. Inside of lower part lined with iron ploates. |
Construction Material Roof / Cowl: | 8 sided pyramidal dome of cast iorn. Inside lined with sheet zinc. No lens protector. |
Ventilator / Cowl: | Cast iron. |
Lightning Spindle: | Copper with platinum tip. |
Description of Lightning Rod: | A 2" x 1/8" copper strip is fastened to balcony floor & runs down outside of tower into water below. |
Balustrade: | 2 rails are 1 3/4" iron pipe. Vertical stanchions of same material. Floor is cast iron & square in plan. |
Lantern Doors: | A 2 fold iron door leads from parapet to outside gallery. |
Floor of Lantern: | Cast iron. Has iron trap door that leads to wooden stairs below. |
Watchroom Doors: | No watch room |
Parapet Diameter: | 6' 7" |
Ventilators |
Location / Number: | 4 ventilators in parapet. |
Ladders / Cleaning Arrangement: | NOne. |
Curtain Hooks / Hanger: | Hooks screwed to soffit. |
Watchroom |
How is Watchroom Fitted: | None. |
How is Relief Called: | |
Where is Call System Led: |
Illuminating Apparatus |
Kind of Apparatus: | |
Intensity in Candles: | |
Name of Maker: | U.S.L.H. Depot, Long Island, N.Y. |
Year Made: | Not given. |
Marks and Number: | None. |
Order of Apparatus: | 6th |
Inside Diameter: | 12" |
Light Characteristic: | Fixed red. |
Time of Revolution: | Not movable. |
Flash Interval: | No flashes. |
Duration of Flash: | |
Arc of Each Fixed Part: | |
Number of Panels: | 4 panels 1 of which is a brass reflector. |
Number of Flash Panels: | |
Arc of Each: | |
Number of Elements in Central Drum: | Only 1 centeral drum of 7 elements. |
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: | Cast iron pedestal bolted to lantern floor. |
Service Table: | No service table. |
Draft Tube Description: | No damper flue. |
Revolving Machinery: | Not revolving. |
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: | By red chimney on lamp. |
Red Sectors Description: | |
Where Color Attached: | |
Form of Colored Glass: | |
Lamp Description: | 6th order. |
Type of Illuminant: | |
Number of Spare Lamps: | |
Number of Spare Burners: | |
Candle Power: |
Vapor Oil Lamp |
Number of Wicks or Mantels: | 1 flat wick. |
Diameter of Outside Wick: | 1" |
Diameter of Mantel: | |
Diameter of Circum Circle: |
Closets and Store Rooms |
Tower Closet Use: | 1 small cupboard in service room used for cleaning rags, etc. |
Oil House Description: | See description of Portage Lake Ship Canals Main light. |
Oil House Inside Dimension: | |
Oil House Construction Material: | |
Oil House Capacity: | |
Other (Describe): | |
Suitability: |
Fog Signal General |
Fog Signal Kind: | 10" steam whistle. |
Time to Start: | 35 minutes. |
How Long Will Pressure Last: | |
Manufacturer: | Whistle installed by B.A. Todt in 1895. |
Year of Manufacture: | |
Characteristic: | 3 sec. balst, 17 sec. silent, 3 sec. balst, 17 sec. silent. |
Duplication: | All parts. |
Timing Device: | |
If whistle, siren, or trumpet, Pressure at Which Blown: | Whistle at 75# |
Height Above Water: | |
Compass Direction: | |
Location: | Located on end of west pier & guide to entrance to canals. |
Distance and Direction: | |
Water Supply: | From lake to well 2' sq. plank curb to 2' below water. Tank 4.5' x 5', 600 gals. |
Reached from Lighthouse: | |
Description of Fog Signal Building: | Frame house 18' x 40', 12' to plates, Built ton 12'x12' substructure. Elevated walk through upper part. Building is covered with corrugated iron outside & lined with sheet iron insode. Roof is corrugated iron. |
Pressure And Recording Gauge: |
Steam Signal |
Steam Boiler: | Open bottom marine boiler. |
Kind: | |
Tube: | Flue tube. |
Dimensions: | 7'5" high. |
Length: | 6' 6.75" |
Diameter: | 4' 9.75" |
Tube Description: | 102 tubes 4' 9.5" long. |
Steam Tube Diameter: | 2.5" |
Steam Furnace Kind: | Internal |
Furnace Length: | 6' 0" |
Furnace Width: | 4' 3" |
Furnace Height: | 19" |
Steam Heat Surface: | 406 sq. feet. |
Steam Grate Surface: | 21.5 sq. feet. |
Number of Grate Bars: | 18 |
Kind of Grate Bars: | Bouble bars, 5 ft. long. |
Steam Fuel: | Bituminous coal. |
Steam Safety Valve: | Lever, 2.5" single side outlet. |
Steam Maximum Pressure: | 150# |
Steam Working Pressure: | 75# |
Steam Diameter of Smokestack: | 20" |
Smokestack Height: | 33.5 foot iron stack. |
Drum Dimension: | 3' 9" long. |
Steam Drum Diameter: | 36" |
Steam Covering: | Compound. |
Steam Boiler Condition: | Good. |
Steam Boiler Built: | 1895 |
Where Built: | Dayton, Ohio. |
Manufacturer: | Miami Boiler co. |
Steam Heater: | False |
Kind: | |
Size: | |
Heater Time Affect: | |
Steam Engine Kind: | Crosby automatic apparatus used in place of engine |
Steam Engine Revolutions: | |
Steam Engine Cyl. Diameter: | |
Steam Engine Piston Stroke: | |
Steam Engine Pipe Size: | |
Steam Engine When Built: | |
Steam Engine Where Built: | |
Manufacturer: | General L.H. Depot, Tompkinsville, NY. |
Water |
How Procured: | Water supply for fog signal obtained by pumps & injectors from harbor. |
Quality: | Good. |
Quantity: | Ample. |
Injury Possible: | No. |
Purity Precaution: | |
Tank Capacity: | |
Tank Material: | |
Distilling Apparatus: | False |
Distilling Manufacturer: | |
Well Description: | |
Well Diameter: | |
Well Lining: | |
Pump or Bucket: | |
What Power Used: | |
Distance from Dwelling: |