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115-Ton Coaster Gate On War Surplus Pontoon (Equipment for construction, transportation, and maintenance) Item Info

Transfer of 115-tin coaster gate from east forebay, Unit R-9 to west forebay, Unit L-7. This transfer (made on war surplus steel pontoon barge) will expedite starting of unit L-7 by approximately three weeks. This picture shows the coaster gate resting on front and rear trucks in position to be moved forward to approximate center of barge. Wheel stops clamped to rails will secure barge in final position ready for transfer to west abutment. Brittly hitch with sheave block for four part 3/4' drawl line to steam winch on work barge is shown at left center. Transverse timbers on barge deck supporting 36'-64'-0' long 230# 'I' beams, with 90# rails attached, distribute the load to 107' by 43' pontoon barge. Special gate stem and hitch plates to 150-Ton deck crane are shown at right center. 1 1/4' snub cables with turnbuckles for limiting barge submergence are to be seen along face of dam at left of picture. Snub cables were rigged from gantry girders on deck crane to hitch plates welded to 36' 'I' beams. Work barge, not seen in picture, is lashed to front of pontoon barge.
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Title:
115-Ton Coaster Gate On War Surplus Pontoon (Equipment for construction, transportation, and maintenance)
Creator:
Fuller, H.W.
Date Created:
1947-09-09
Description:
Transfer of 115-tin coaster gate from east forebay, Unit R-9 to west forebay, Unit L-7. This transfer (made on war surplus steel pontoon barge) will expedite starting of unit L-7 by approximately three weeks. This picture shows the coaster gate resting on front and rear trucks in position to be moved forward to approximate center of barge. Wheel stops clamped to rails will secure barge in final position ready for transfer to west abutment. Brittly hitch with sheave block for four part 3/4' drawl line to steam winch on work barge is shown at left center. Transverse timbers on barge deck supporting 36'-64'-0' long 230# 'I' beams, with 90# rails attached, distribute the load to 107' by 43' pontoon barge. Special gate stem and hitch plates to 150-Ton deck crane are shown at right center. 1 1/4' snub cables with turnbuckles for limiting barge submergence are to be seen along face of dam at left of picture. Snub cables were rigged from gantry girders on deck crane to hitch plates welded to 36' 'I' beams. Work barge, not seen in picture, is lashed to front of pontoon barge.
Subjects:
dam construction equipment for construction, transportation, and maintenance
Location:
Washington (State) Grant County Grand Coulee Dam
Latitude:
47.953677
Longitude:
-118.989677
Publisher:
University of Idaho Library Digital Initiatives, http://www.lib.uidaho.edu/digital/
Source:
Army Corps of Engineers Dam Construction photographs, 1933-1965, PG 94, University of Idaho Library Special Collections and Archives
Finding Aid:
https://archiveswest.orbiscascade.org/ark:80444/xv165618
Source Identifier:
94-3-16358
Type:
Image;StillImage
Format:
image/jpeg

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Preferred Citation:
"115-Ton Coaster Gate On War Surplus Pontoon (Equipment for construction, transportation, and maintenance)", Columbia River Basin Project: Dam Construction in the Pacific Northwest, University of Idaho Library Digital Collections, https://www.lib.uidaho.edu/digital/crbp/items/crbp972.html
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Rights:
In copyright, educational use permitted. Educational use includes non-commercial reproduction of text and images in materials for teaching and research purposes. For other contexts beyond fair use, including digital reproduction, please contact the University of Idaho Library Special Collections and Archives Department at [libspec@uidaho.edu](mailto:libspec@uidaho.edu). The University of Idaho Library is not liable for any violations of the law by users.
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