Appendix C - PCASE Output.pdf
PDF 69 KB Posted
- Solicitation number
- W912DS22R0010
About this file
This document contains a solicitation and related project description for a design-build contract opportunity with the U.S. Army Corps of Engineers. The New York District is seeking proposals for the expansion of a concrete helicopter parking ramp at Fort Drum, New York, which will demolish an existing landing pad, remove asphalt and edge lighting, construct additional parking spaces and a new asphalt shoulder with lighting, install pavement markings, mooring points and joints, replace utility covers, and install a stormwater infiltration basin with pre-treatment. Bidders should have experience with airfield pavement design and construction following UFC standards, obtaining design approvals from the Transportation Support Center, and working on active airfields, including designing stormwater hotspot pre-treatment for refueling operations. Proposals are due under full and open competition for a firm fixed price contract to complete the expansion.
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Text version
PCC Apron Design - PCC Apron
Design Name: PCC Apron Design Layer Model Name: PCC Apron
Pavement Use: Airfield Design Type: Rigid Traffic Area: Traffic Area B
Analysis Type: K Depth of Frost (in): 48.39 Wander Width (in): 140
% Load Transfer: 25 % Steel: 0
Joint Spacing: 12.5-15 ft.
Dowel Spacing: 12 in.
Dowel Length: 16 in.
Dowel Diameter: .75 in.
Layer Information
Layer Type Material Type Frost Code Moisture Content
Dry Unit Weight (lb/ft^3)
Analysis Non-frost Design Thickness
Reduced Subgrade Strength
Reduced Subgrade Penetration
Flexrual Strength (psi)
Modulus (psi) K (pci) Effective K
(pci)
Portland Cement Concrete Portland Cement NFS 0 145 Compute 6.57 7.99 6.57 650 4000000 Drainage Unbound Aggregate NFS 5 130 Manual 8 8 28.16 279 Geotextile N/A NFS 0 0 Manual Natural Subgrade Cohesionless Fill F2 10 120 Manual 200 200
Traffic Information Service Army
Pattern Name: ARMY CLASS II (IFR) - HELIPORT-Editable Copy
Weight (lb) Weight (lb) Passes Passes Equivalent Passes
Vehicles Traffic Area A,B Traffic Area C,D
Traffic Area A,B,C
Traffic Area D
CH-47 50000 37501 100000 1000 100000
P-15 CRASH TRUCK (FIRE TRUCK) 130860 98145 1000 10 1681
P-23 CRASH TRUCK (FIRE TRUCK) 77880 58409 1000 10 7
CH-47 50000 101688
PCC Apron Design - Shoulder
Design Name: PCC Apron Design Layer Model Name: Shoulder
Pavement Use: Airfield Design Type: Shoulders Flexible
Analysis Type: CBR Depth of Frost (in): 50.93 Wander Width (in): 70
Layer Information
Layer Type Material Type Frost Code
Moisture Content
Dry Unit Weight (lb/ft^3)
Analysis Non-frost Design Thickness
Reduced Subgrade Strength
Limited Subgrade Penetration
CBR
Asphalt Concrete Asphalt Cement NFS 0 140 Manual 3 3 3 Base Unbound Aggregate NFS 5 135 Compute 6 7.33 57 80 Natural Subgrade Cohesionless Cut F2 10 120 Manual 10
Traffic Information Service Army
Pattern Name: Standard Shoulder Traffic (see UFC 3-260-02 Pavement Design for Airfields
Section 7, Paragraph 7a-7b)
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