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2009 January 3 update, deck arrangement and bulkhead plans added.
This section lists production changes as noted on ELCO plans purchased at ptboats.org. While of limited use without the graphics they still come in handy for me as a quick reference so I posted them here. Some plans have numbered parts on them. Changes are listed in a Reference Drawings list on those plans. This is a numbered list of the parts labeled on the drawing along with the ELCO and B.O.S. plan numbers for the individual parts. Parts on the drawing may have more than one number pointing to it especially if it was changed during production.
I have copied them as listed so there may be some separation of similar items such as the three engine room hatch listings on the deck arrangement plan. If a change on a plan has been previously listed in another plan I'll try to avoid listing it again. I'll add plans here as time allows.
Bureau Of Ships Deck Arrangement Plan No. 496544 (top outside view of boat)
Electric Boat Company, ELCO Naval Division Drawing No. 3023 Alt 2
2nd Sept. '42
PT 314-367, Hull nos. 3449-3502
PT 103-196, Hull nos. 3355-3448
Alterations:
Boat and hull nos. added, approved ELCO 27 Jan 1943 and by Bureau 2/24/43
Boat and hull nos. above PT 367 deleted and list of ref. drs. revised, approved ELCO 21 Sept 1943 and by Bureau (blurred 9?)/23/43
Changes:
Bow Light PT 111 and on
Bow Light PT 103-110
Towing Bit - Ford. PT 103-108
Mooring Bit PT 109 and on
Deck Ventilator PT 103-196
Life Float Stowage PT 115-186 and 314-367
Vent. Duct For Officers Lavatory PT 103-196
Installation Of Armor Plate PT 103-165
Supply And Exhaust Vent Ducts PT 103-196
Grab Rail Stanchions And Fittings PT 103-138
Location Of Grab Rails PT 103-138
Aldis Light Deck Locker PT 103-162
Ammunition Stowage Lkr. PT (.50 Cal. Mach. Gun) PT 103-186
Escape Hatch At Bhd. 39 PT 103-196
After Windshield PT 103-196
7" Cowl Ventilator (on day room roof) PT 103-325
Engine Room Hatch PT 103-138
Engine Room Hatch PT 139-186
Oerlikon Magazine Locker PT 104 and on
Oerlikon Gun Foundation PT 103-138
Oerlikon Gun Foundation PT 139 and on
Platform For Oerlikon Gun PT 103-138
After Deck Hatch PT 103-138
Lazarette Hatch Framing PT 139 and on
Stern Chock PT 159 and on
Inst. Of ELCO Smoke Screen Gen. PT 127 and on
Navy Smoke Screen Gen. Fdn. PT 115-126
Rotary Deck Vents PT 314 and on
Life Raft Stowage PT 187-196
Grab Rails - Location And Dets. PT 139 and on
Armor Plt. Repl. And Aldis Lgt. Dk. Lkr. PT 163-196
Aldis Lgt. Stowage - Stbd Side Br. PT 314 and on
Step And Cover Over Dk. Hatchway Bhd. 39 PT 314-367
7" Cowl Vent PT 326 and on
Engine Room Hatch PT 187 and on
Amm'n. Stowage Lkr. - Bridge Stbd. (.50 Cal.) PT 314-367
Amm'n. Stowage Lkr. - Bridge Stbd. (20mm) PT 187-196
Bureau Of Ships Bulkhead No. 4, 9 and 21 Joiner Sections Plan No. 496341
Electric Boat Company, ELCO Naval Division Drawing No. 3235 Alt 3
26, August, 1942 (fuzzy)
PT 314-367, Hull nos. 3449-3502
PT 103-196, Hull nos. 3355-3448
Alterations:
Boat and hull nos. added, dates illegible
Ref. drawing 105 added, note added to ref. 104, ref. drawing 106 added, dates illegible
Boat and hull nos. added, dates illegible
also
Bureau Of Ships Bulkhead No. 28, 33, 39, and 47 Joiner Sections Plan No. 496340
Electric Boat Company, ELCO Naval Division Drawing No. 3234 Alt 3
20, October, 1942
PT 314-367, Hull nos. 3449-3502
PT 103-196, Hull nos. 3355-3448
Alterations:
Boat and hull nos. added, dates illegible
Boat and hull nos. added, dates illegible
Boat and hull nos. after PT 367 deleted, dates illegible
Changes:
Wash Stand In Crews Toilet PT 103-196
Lockers In Crews Quarters PT 103-186
Pipe Berths In Crews Quarters PT 103-138
Galley Arrangement PT 103-163
Wash Basin In Officers Lavatory PT 103-319
Seat In Capt. State Room PT 103-138
Door And Arch In Bhd. No. 33 PT 103-196
Ventilation System PT 314 and on
Step At Bhd. No. 39 PT 103-349
Book Shelf In Officers Quarters PT 116 and on
Water Tight Doors PT 103-196
Aluminum Windows PT 103-186
Aluminum Windows PT 314 and on
Torpedo Impulse Storage Box PT 103-138
Torpedo Impulse Storage Box PT 139 and on
Door In Aft Turret PT 107-166
Door In Ford. And Aft Turrets PT 167 and on
(fuzzy, maybe Arrangement Of) Vent System For PT 103-1(9?)6
Cabinet And Stove In Galley PT 164 and on
Water Tight Window Shutter PT (fuzzy, maybe 314 and on)
Wash Stand In Crews Toilet PT 314 and on
Lockers In Crews Quarters PT 187 and on
Galley Arrangement PT 164 and on
Wash Basin In Officers Lav PT 320 and on
Door And Arch In Bhd. No. 33 PT 314 and on
Book Shelf In Officers Qtrs PT 103-115
W.T. Doors PT 314 and on
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