Building_4802_Ramp_Briefing_for_Contractors.pptx

Structural Integrity Study of the Aircraft Parking Ramp at Hangar 4802 Site Visit

February 18, 2016

NASA Armstrong Flight Research Center

Presentation Outline Introduction Instructions for Site Visit Acquisition Information Request for Quote (RFQ) Due Date

Introduction

Structural Integrity Study of the Aircraft Parking Ramp at Hangar 4802 Solicitation # NND16575398Q

Contracting Officer’s Representative (COR): Robert Callahan Contract Specialist (CS): Jenny Staggs Contracting Officer (CO): Brian Bowman

Instructions of Site Visit

Remain with group This presentation, including the sign-in sheets, will be posted as part of an amendment to the solicitation (everyone must sign in) Procedures for asking and presenting questions All questions shall be submitted in writing Due date for all questions is February 24, 2016 Q&As will be posted as an amendment to the solicitation

Instructions of Site Visit Photography- no pictures can be taken during towards the flight line Safety No Personal Protective Equipment (PPE) required No smoking, except in designated smoking areas

Acquisition Information This acquisition is a Total Small Business set-aside.

Period of Performance- a total of 80 days from the date of award

RFQ Due Date

RFQ Due Date March 2, 4:00 p.m. PDT Everything said at this site visit is not binding. All official changes to the RFQ will be issued via a written amendment.

Thank You for Coming

Building 4802 Repair Ramp Timeline of Friday, Dec 4, 2015 8:58:37-8:59:08 am - fire pumps 1, 3 , and 4 turn on

9:05:30 am - water begins to flow from east edge of ramp near oleanders

9:38:20 am - flow stopped

1B

1A Next Slide

Armstrong Flight Research Center 12/15/2015

First Water Video

Back to Events

First Water Video (in hangar)

Water From Oleanders Video

First Response Video

End of Upwelling Video

Next Slide

Building 4802 Repair Ramp Explanation of What Happened

Code F working theory:

Pipe failed under north side ramp at hangar 4802 Water began to saturate surrounding subgrade searching for relief point Due to pressure drop, fire pumps kicked in increasing flow Path of least resistance was to joint at hangar door/ramp Additional paths to 8” slab, asphalt under storage sheds, and east edge of ramp Several 16” slabs uplifted and cracked Large quantity of soil material washed up at various relief points at least 15-20 cu.yd.

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