Attachment 10 - BSA Summary Table_Rev2.pdf
PDF 95 KB Posted
- Solicitation number
- 70Z08522QP4504600
About this file
This document summarizes the load limits for structures at the Tongue Point Pier facility in Astoria, Oregon. It provides the code-based minimum loads, original design loads where available, worst case operating loads from facility personnel and equipment, and any posted loads for three zones of the pier. For each zone, it compares the structural demand from these loading sources to the structural capacity as calculated by the document author. It recommends limiting vehicle loads in the pier approach area and prohibiting heavy vehicles in the parking area. It also provides recommended load postings for each zone based on the structural analysis.
The related federal contract opportunity is solicitation number 70Z08522QP4504600 for dockside repair availability services for the USCGC ELM (WLB- 204). The solicitation is from the Department of Homeland Security United States Coast Guard for combined synopsis and solicitation of the opportunity. No other details are provided about products, services, response dates, or other salient information.
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Text version
2021 Waterfront Facility Inspection and Assessment iii
USCG Tongue Point Facility Astoria, Oregon
The following table summarizes the load limits for the LBS at the facility
BSA Summary Table:
Structure Name: Tongue Point Pier (RPUID 17646)
Code-Based Minimum Loads: 100 psf for pedestrian exit ways
Design Loads:
Zones 1 & 2: Unknown Zone 3: 500 psf uniform, 29,000 lb concentrated, 15-ton capacity forklift, HS20
Worst Case Operating Loads:
Zone 1: Pedestrians and personal occupancy vehicles, typically less than H5 Zone 2: Forklift with 40,000 lb front axle (loaded), fuel truck with 20,000 lb axle Zone 3: Storage of buoys and sinkers, forklift with 40,000 lb front axle (loaded), fuel truck with 20,000 lb axle
Posted Loads:
Zone 1: “Limited vehicle access; authorized personnel only” Zone 2: “Pier loading restriction; no forklift or truck traffic” Zone 3: [No Posting]
Required Action / Operational Recommendation:
Limit vehicle loads in approach area as shown below. Continue to prohibit heavy vehicles in parking area.
Load Posting Recommendation:
Post each zone as applicable:
“MAX LOADS FOR APPROACH AREA:
240 PSF UNIFORM; 15,900 LB CONCENTRATED;
19,800 LB VEHICLE AXLE”
“MAX LOADS FOR PARKING AREA:
120 PSF UNIFORM; 7,500 LB CONCENTRATED;
10,400 LB VEHICLE AXLE”
“MAX LOADS FOR HEAVY PICK AREA:
500 PSF UNIFORM; 29,000 LB CONCENTRATED;
58,000 LB / 6,000 LB FORKLIFT AXLES (F/R); AASHTO HS20 TRUCK”
VERTICAL ANALYSIS STRUCTURAL DEMAND1 STRUCTURAL CAPACITY2
ZONE 1: Approach Area
Uniform Storage Load 100 psf 240 psf
Concentrated Load 20,000 lb wheel 13,600 lb
Vehicle Axle Load 40,000 lb 19,800 lb
ZONE 2: Parking Area
Uniform Storage Load 100 psf 120 psf
Concentrated Load 4,000 lb wheel 7,500 lb
Vehicle Axle Load 8,000 lb 10,400 lb
ZONE 3: Heavy Lift Area
Uniform Storage Load 500 psf 500 psf
Concentrated Load 29,000 lb 29,000 lb
Forklift Axle Load (Front / [GVW]) 58,000 lb / [64,000 lb GVW] 58,000 lb / [64,000 lb GVW]
Truck Load Pattern AASHTO HS20 AASHTO HS20
1. Structural demand is taken as the greatest of:
a. Code-based minimum loads, if applicable.
b. Original design loads, if available.
c. Worst case operating loads from the facility’s personnel and equipment.
d. Posted loads, if available.
2. Structural capacity is calculated and factored to present an appropriate comparison with structural demand.
The structure has adequate capacity for the given demand.
The structure has inadequate capacity for the given demand, and load restrictions are required.
File details come from the government source that posted it. Updated .