Report for Point Retreat Lightstation (Alaska) - 1923
General |
District: | 17th |
Inspector: | Various |
Location: | Most northerly point of Mansfield Peninsula on Admiralty Island, at junction of Saginaw Channel & Lynn Canal. On sharp point. |
Date of Report: | 12/12/1923 |
Latitude: | 58° 24' 36" |
Longitude: | 134° 56' 33" |
Premises |
Site: | Public land reserved by Executive Order. |
Date of Reservation: | 01/06/1901 |
Date of Deed: | |
Date of Permission: | |
Date of Lease: | |
Area of the Entire Site: | 1683 acres |
Area Inclosed: | None. |
Character of Soil: | |
Distance of tower from Nearest High-Water Mark: | 46' to center of tower. |
Inclosures to Premises / Type of Fence: | No fence. |
Wharf or Landing on Premises: | Wharf. |
Road to Land or Wharf Chararacter of and Distance: | |
Means to Reach Light Station: | Reached only by boat from Juneau, Alaska. 2 passages; high water passage requiring 14' tide for small boat over Mendenhall bar 20 miles. Any tide 383 miles around Doughlas Island. |
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: | Reinforced concrete fog signal building surmounted by a square concrete tower. |
Number of Separate Lights: | 1 |
First Built or Established: | 1904 |
Last Rebuilt, Repaired, or Renovated: | 1923 |
Condition at This Date: | |
Shape of Tower in Plan: | |
Form of Tower: | |
Height from Base to Ventilator Ball: | |
Height of Focal Plane Above Mean High Water: | 44 feet. |
Background of Lighthouse as Seen from Sea: | Sky or distant timbered mountains, the latter dark of snow covered; nearby timber from some postions. |
Color of Tower: | White |
Color of Tower/ How Produced: | Plastered with white medusa cement. |
Tower Connection: | Detached; 170 feet distant. |
Object of Navigation: | General navigation, main inside route. All ocean going vessels for Western Alaska, Sitka vessels, & local fishing & gas boats must pass this station. |
Building Materials: | Reinforced concrete. |
General Description: | |
Wall Thickness at Base: | |
Wall Thickness at Parapet: | |
Diameter at Base: | |
Diameter at Parapet: | |
Kind of Stairway and Steps: | Iron spiral stairway to lantern rower. |
Number of Landings: | |
Size of Glass: | 12" x 12", 12 such panes. |
Number of Windows and Size of Sash: | 3 4 light windows, N, W, S sides. Sash 2' x 3'. |
Number of Doors: | 1 leading out on roof 2' x 5'. 2 @ 2' 2" x 6' 0". |
Kind of Foundation and Depth Below Surface: | |
Character of Soil Surrounding the Lighthouse: | |
Soil Susceptibility: | |
Miscellaneous Remarks: | Tower located on top of fog signal building which is 20' x 36' with a molded corcince 2' x 18". Steel sash on 3 seawards sides, about 5' below cornice. Depth of sash 4' 2". |
Lantern and Fixtures |
Order of Lantern: | 4th order, standard. |
Shape of Lantern: | Cylindrical |
Diameter to Glass: | 8' 4" |
Diameter in the Clear: | |
Number of Sides: | |
Type of Bars: | Helical |
Thickness of Bars: | 3/4" |
Height Glazed: | 3' 1/25" |
Number of Plates in Height: | 1 full diamon & 2 halfs. |
Number of Plates Each Side: | |
Thickness of Plates: | 1/4" |
Size of Plates: | 2' 1.08" x 2' 1.08" |
Number of Storm Panes: | |
Unglazed Side of Lantern: | None. |
What Bearings: | |
Construction Material Lantern: | Iron bronze & glass. |
Construction Material Roof / Cowl: | Cast iron. |
Ventilator / Cowl: | Cast iron. |
Lightning Spindle: | 18" platinum tip. |
Description of Lightning Rod: | |
Balustrade: | Galv. pipe railing. Gallery reinforced concrete. |
Lantern Doors: | Iron; bronze hinges, lock, etc. |
Floor of Lantern: | Reinforced concrete. |
Watchroom Doors: | None. |
Parapet Diameter: |
Ventilators |
Location / Number: | Lower part of lantern. |
Ladders / Cleaning Arrangement: | None-accessible without ladders. |
Curtain Hooks / Hanger: | Screwed on steel tower. |
Watchroom |
How is Watchroom Fitted: | None. Large fog signal room with approach to lantern & landing. |
How is Relief Called: | None. |
Where is Call System Led: |
Illuminating Apparatus |
Kind of Apparatus: | |
Intensity in Candles: | 230 cp |
Name of Maker: | A.G.A. Co., Elizabeth, NJ |
Year Made: | Unknown |
Marks and Number: | |
Order of Apparatus: | Drum lens. |
Inside Diameter: | 300 mm |
Light Characteristic: | Group flashing white every 6 seconds. 0.3 sec. flash, 0.9 sec. eclipse, 0.3 sec. flash, 4.5 sec. eclipse. |
Time of Revolution: | |
Flash Interval: | |
Duration of Flash: | |
Arc of Each Fixed Part: | |
Number of Panels: | None. |
Number of Flash Panels: | None. |
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: | 2" pipe with disc. of 5/8" boiler plate on bottom & disc of 1/4" boiler plate at top. |
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: | |
Red Sectors Description: | |
Where Color Attached: | |
Form of Colored Glass: | |
Lamp Description: | |
Type of Illuminant: | |
Number of Spare Lamps: | None |
Number of Spare Burners: | None. |
Candle Power: |
Compressed Gas |
Gas Container: | 4-A-25 |
Compressed Gas Capacity: | 88 cubic feet each, 352 total. |
Compressed Gas Charge: | 15 atmospheres |
How Supply Renewed: | By relieving containers. |
At What Intervals: | |
Spare Containers: | 4 |
Gas Light |
Gas Light Kind: | Acetylene |
Gas Light Number of Burners: | 1 only |
Kind of Burner: | A. G. A. |
Candlepower Per Burner: | 24 cp |
Total Candlepower: | |
Consumption Gas Burner Per Hour: | 3/4 cu. ft. hr. |
Total Consumption Per Hour: | 3/4 cu. ft. |
How Gas Obtained: | Disolved acetylens; delivered to station. |
Occulting Light |
Characteristic: | Group flashing white every 6 seconds. 0.3 sec. flash, 0.9 sec. eclipse, 0.3 sec. flash, 4.5 sec. eclipse. |
Time Limit: | Unknown. |
Eclipse Type: | Valve, (gas light) |
Size and Amplitude: | |
Axis Rotation: | |
Axis Relation: | |
Screen Revolution: | |
Screen Number: | |
Screen Time: | |
Screen Form: | |
Screen Mounting: | |
Screen Order: | |
Screen Date: | |
Valve Maker: | A.G.A. Co. |
Valve Pattern: | KK130 |
Reliability: | Yes. |
Closets and Store Rooms |
Tower Closet Use: | None. |
Oil House Description: | Old shop building near fog signal used for this purpose. |
Oil House Inside Dimension: | |
Oil House Construction Material: | Wood. |
Oil House Capacity: | Oild stored in a cylindrical steel tank, 56" diam. x 12' long, capaacity 1500 gallons. |
Other (Describe): | Locker in south end of fog signal building. |
Suitability: | Dry & suitable. |
Fog Signal General |
Fog Signal Kind: | Type C diaphone. |
Time to Start: | 5 minutes |
How Long Will Pressure Last: | 0 |
Manufacturer: | |
Year of Manufacture: | |
Characteristic: | 3 sec. blast, 3 sec. silent, 3 sec. blast, 21 sec. silent. |
Duplication: | Engine & compressor. |
Timing Device: | 17th District Blast Device. |
If whistle, siren, or trumpet, Pressure at Which Blown: | 30 lbs. |
Height Above Water: | 34 feet. |
Compass Direction: | North, approximate. |
Location: | On north end of point. A narrow reef bare at low water but covered at high tide projects about 300 ft. to northward into Saginaw Channel. |
Distance and Direction: | All in 1 building. |
Water Supply: | Rain water drain to cistern beneath floor fog signal building. |
Reached from Lighthouse: | Same building. |
Description of Fog Signal Building: | Reinforced concrete fireproof building 20' x 36' x 16' high with 8' 6" x 8' 6" tower 7' 9" high from roof to lantern. |
Pressure And Recording Gauge: | Has American Steam Gage & Valve Co., Boston, Mass. |
Internal Combustion Signal |
Fog Signal Kind: | |
Internal Combustion Kind: | Mietz Kerosene oil engine |
Internal Combustion Manufacturer: | Charter Gas Engine Co., Sterling, Ill. |
Internal Combustion Date: | 1923 |
Internal Combustion Size: | 7" x 8" |
Internal Combustion Horsepower: | 8 HP |
Internal Combustion Fuel: | Kerosene |
Internal Combustion Starter: | By heating torch. |
Compressor Maker: | Pa. Pump & Compressor , Easton, Pa. |
Compressor Seat: | Chain driven, sep. beds. |
Compressor Machinery: | |
Compressor Diameter: | 7" |
Compressor Stroke: | 5" |
Compressor RPMs: | 266 rpm |
Character of Air Inlet: | 3" |
Kind of Unloader: | Air control |
Diameter of Delivery Pipe: | 2" |
Trumpet Signal |
Trumpet: | |
Trumpet Length: | 3 feet |
Trumpet Diameter: | 3" to 10" |
Trumpet Material: | Steel |
Air Receiver |
Number: | 2 |
Diameter: | 4 feet |
Height: | 8 feet. |
Capacity Cubic Feet: | 100 |
Pressure in Each: | |
Make of Reducing Valve: | None. |
Remarks: |
Dwelling |
Location: | 170' South on point to 1st dwelling, 56' additional to next. |
Coloring: | Gray, white trimmed, red roof. |
Construction Materials: | Frame, full concrete basement & foundation, exterier shingled. |
Number of Rooms: | 5 each, bath & pantry. |
Number of Dwellings: | 2 |
Heating Plant: | American Radiator Col.'s hot water heater's & Honeywell system. |
Number of Keepers: | 1 each. |
Furnished Quarters: | Both, including quarters for families. |
NOT Furnished Quarters: | None. |
Outhouses: | Engine house & boat house. |
Outhouse Coloring: | Gray-red roof, white trimmed. |
Paths and Walks: | Only temporary at present. |
Area Inclosed: | |
Area of Garden: | |
Area Timber or Shrubbery: | |
Cultivation Area Available: | 4/5 of reserve; |
Area Cultivated: | None. |
Character of Surroundings: | Soil (rich) swampy 1/2 mile back on point; timbered. |
Stove, Maker: | Monarch Ranges Co. |
Stove, Size: | 37" x 27" |
Sink, Maker: | Crane Co. |
Sink, Size: | 20" x 30" |
Pump, Maker: | Milwaukee Air Power Pump Co. |
Pump, Size: | 12B double cylinder. |
Lamps: | 1 table, 2 hand lamps Standard Gen. Depot stock. |
Water |
How Procured: | Rain water from roofs of dwellings impoiunded in 19,000 gal. concrete cistern for dwellings. Rain water from fog signal roof impounded in 1,000 gal. cistern under floor. |
Quality: | Fair. |
Quantity: | Yes. |
Injury Possible: | No. |
Purity Precaution: | Brick filter wall in cistern at dwellings. Water for engines not filtered. |
Tank Capacity: | 1,000 ga. for fog signal, 19,000 gal. for dwellings. |
Tank Material: | Concrete. |
Distilling Apparatus: | False |
Distilling Manufacturer: | |
Well Description: | |
Well Diameter: | |
Well Lining: | |
Pump or Bucket: | Pump |
What Power Used: | Air power |
Distance from Dwelling: | 170' |
Healthfulness |
General Opinion: | Healthful. |
Diseases: | None. |
Prevalency: | |
Local Causes: | |
Recommended Improvements: |
Miscellaneous |
Access to Lighthouse: | Wharf 41' face, piling 40' on rock shelf 40' above mean low water. length of wharf from retaining wall to face is 58'. Creoscted piles & braces with concrete casing on piles from 3' to 12' in height. Derick 1 60' shear leg toward shore, 45' mast, 40' boom |
Distance and Direction: | Directly in front between 2 dwellings on East shore. |
Miscellaneous Remarks: | Boom swinging attachment comprises 1 8' Bull wheel operated from hoist engine - geared. Wharf throughly bolted with 3/4" Galv. bolts at all crossings, anchored to reinforced concrete retating wall. |
Boats |
Boat #1 | |
Boat Number: | 15 |
Type: | Launch |
Length: | 5' |
Width: | 18' |
When Built: | 1910 |
Date Harbored at Station: | 6/30/23 |
Sails: | False |
Suited to Work: | No. |
Boat #2 | |
Boat Number: | 65 |
Type: | Skiff |
Length: | 4' 6" |
Width: | 14' |
When Built: | 1923 |
Date Harbored at Station: | 1924 |
Sails: | False |
Suited to Work: | Yes. |
Power Boat |
Engine Type: | Scripps Motor- Model "A" |
Horsepower: | 4 - 5 HP |
Engine Maker: | Scripps Motor Co., |
Spare Coil: | |
Magnet: | None. |
Battery: | Dry batteries. |
Propeller Diameter: | 14" |
Propeller Pitch: | 16" |
Hoisting Engines |
Hoisting Engine Kind: | Fairbanks-Morse Co. |
Engine RPMs: | 350 rpm |
Engine Diameter: | |
Engine Stroke: | |
Engine Boiler: | |
Engine Maker and Date: | Fairbanks-Morse Co. 1922 |
Serial Number: | |
Cylinders and Size: | |
Horsepower: | 10 HP |
Fuel: | Gas. |
Hoist Starter: | |
Hoist Miscellaneous: |
Miscellaneous |
General Information: | |
Boats on Station: | In boiat house on wharf. |