Amendment 0005 Sheet 180-25-0984C-122-C-122.pdf
PDF 316 KB Posted
- Attached to
- North Apron Repairs Federal contract opportunity
- Solicitation number
- W9123822R0003
About this file
This document provides a phasing plan and technical specifications for the North Apron Repairs project at Hill Air Force Base in Utah. The project involves replacing existing Portland cement concrete slabs along the North Apron immediately north of Hangar 204, including full rework of structural base materials to meet seasonal frost requirements. Additional work includes providing grounding points, pavement markings on the new apron, and replacing an adjacent concrete swale and five-foot strip of asphalt pavement. Demolition of existing structures is also required. The specifications provide guidance on phasing the work to minimize impacts to aircraft operations, maintaining access to hangars, and coordinating work with anticipated aircraft arrival and departure schedules. Technical requirements include designing temporary unpaved access roads and ramps if needed during aircraft towing, and procedures for protecting new concrete until fully cured. The solicitation number for this Design-Bid-Build contract is W9123822R0003 and is issued by the Department of the Army Corps of Engineers Sacramento District. The response due date and award date are not included.
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Text version
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CONSTRUCTION AREA
PHASE 2 EQUIPMENT STAGING AREA
HANGAR 1 BUILDING 1A
CONTRACTOR ACCESS
LOW PROFILE BARRIER
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HANGAR 204
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PHASING PLAN LEGEND
PAVEMENT REPLACEMENT AREA
CONTRACTOR STAGING AREA
LOW PROFILE BARRIERS
PHASING NOTES
1. WORK IN PHASE TWO INCLUDES, BUT IS NOT LIMITED TO, EXISTING PAVEMENT DEMOLITION AND PCC PAVEMENT INSTALLATION IN THE REMAINING WESTERN ROWS, PLACEMENT OF PAVEMENT MARKINGS, DEMOLITION AND CONSTRUCTION OF CONCRETE VALLEY GUTTER AND ASPHALT PAVEMENTS .
2. AIRCRAFT HANGARS 1 AND 204 SHALL BE REMAIN ACCESSIBLE TO AIRCRAFT TRAFFIC DURING ALL
PHASES.
3. THE PROJECT IS LOCATED WITHIN A RESTRICTED/CONTROLLED AREA AND THEREFORE CONSTRUCTION ACTIVITIES (INCLUDING DEMOLITION) CANNOT START UNTIL A FREE ZONE (FZ) APPLICATION IS APPROVED BY THE USER/CUSTOMER AND THE 75TH OSS/RESTRICTED AREA. PLEASE SEE AIRFIELD SAFETY SPEC
SECTION FOR THIS SUBMITTAL REQUIREMENT.
4. FREE ZONE AREA TO BE ESTABLISHED BY THE CONTRACTOR AFTER LIMITS OF FREE ZONE AREA IS COORDINATED AND APPROVED BY THE CONTRACTING OFFICER INCLUDING INPUTS FROM AIRFIELD MANAGEMENT AND SECURITY FORCES. THE CONTRACTOR SHALL COMPLY WITH ALL IDENTIFICATION BADGING, VEHICLE PASSES, ESCORTS, FLIGHT LINE DRIVER TRAINING, COMPANY LOGO VEHICLES, ETC AS REQUIRED WHEN TRAVELING THROUGH THE AIRFIELD ENVIRONMENT TO AND FROM THE FREE ZONE AREA. THE CONTRACTOR VEHICLES AND PERSONNEL MAY MOVE FREELY WITHIN THE FREE ZONE AREA
ONCE THEY HAVE ARRIVED.
5. ALL WORK SHALL BE PHASED TO MINIMIZE IMPACT TO THE APRON. WORK SHALL BE SCHEDULED AND
COORDINATED WITH THE CONTRACTING OFFICER/AIRFIELD MANAGER PRIOR TO APPROVAL OF
CONTRACTOR'S SCHEDULE. WORK TO BE DONE IN THIS AREA SHALL BE CLEARLY IDENTIFIED IN THE
CONTRACTOR'S SCHEDULE.
6. GATE AT THE CONTRACTOR ACCESS SHALL REMAIN OPEN DURING CONSTRUCTION. CONTRACTOR SHALL PROVIDE PERSONNEL TO PROVIDE TRAFFIC SAFETY, MAINTAIN FOD CHECKPOINT AND RESTRICT
ACCESS TO SITE TO AUTHORIZED PERSONNEL.
7. ALL AIRCRAFT OPERATING ADJACENT TO WORKING AREAS WILL BE TOWED AND NOT UNDER POWER.
8. CONTRACTOR WILL BE RESPONSIBLE FOR REPAIRING ANY DAMAGE TO EXISTING ROAD WAY AND
AIRFIELD PAVEMENT CAUSED BY CONSTRUCTION TRAFFIC.
9. CONTRACTOR TO SWEEP UP ANY FOD OUTSIDE FREE ZONE GENERATED FROM THE PROJECT.
10. EQUIPMENT STAGING AREA SHOWN ON THIS SHEET IS APPROXIMATE. ACTUAL LOCATION SHALL BE COORDINATED WITH CONTRACTING OFFICER OR PROJECT MANAGER. SEE SHEET G-101 FOR LOCATION
OF CONTRACTOR TRAILER AND MATERIALS STAGING AREA.
11. THE ANTICIPATED AIRCRAFT REQUIRING ACCESS TO APRON AND HANGAR 1 DURING CONSTRUCTION IS THE A-10. AIRCRAFT SHALL ENTER HANGAR 1 THROUGH NORTH SIDE OF HANGAR 1 DOOR AND WILL NOT
ENTER INTO CONSTRUCTION AREA.
12. THE ANTICIPATED AIRCRAFT REQUIRING ACCESS TO APRON AND HANGAR 204 DURING CONSTRUCTION IS THE C-130. CONTRACTOR SHALL REMOVE AND REPLACE BARRICADES WHEN AIRCRAFT REQUIRE ACCESS TO THE HANGARS/APRON. CONTRACTOR SHALL PROVIDE VERTICAL AND HORIZONTAL CLEARANCE OF ALL EQUIPMENT AND MATERIALS WITHIN AIRCRAFT TOW PATH DURING ALL AIRCRAFT TOWS. ALL C-130
AIRCRAFT WILL BE BACKED INTO HANGARS.
13. C-130 AIRCRAFT ARE ANTICIPATED TO ARRIVE EVERY 175 CALENDAR DAYS. ANTICIPATED SCHEDULE OF
ARRIVALS AND DEPARTURES IS SEPTEMBER/OCTOBER 2021, MARCH/APRIL 2022, AND
SEPTEMBER/OCTOBER 2022. EXACT SCHEDULES SHALL BE CONFIRMED WITH THE CONTRACTING
OFFICER PRIOR TO COMMENCING CONCRETE WORK. CONTRACTOR SHALL BE PROVIDED WITH A MINIMUM
OF 30 DAYS PRIOR NOTICE OF AIRCRAFT ENTERING CONSTRUCTION AREAS.
14. AIRCRAFT TRAFFIC SHALL NOT BE ALLOWED ON THE NEW CONCRETE PAVEMENT BEFORE THE REQUIREMENTS UNDER PARAGRAPH "PAVEMENT PROTECTION" IN SPECIFICATION SECTION 32 13 11 ARE
MET AND THE CONCRETE HAS CURED FOR 28 DAYS.
15. PRIOR TO OPENING ANY RUNWAY, TAXIWAY, OR TOWWAY PAVEMENTS AT THE END OF A PHASE, THE CONTRACTOR SHALL REMOVE ALL LOOSE MATERIALS AND FOREIGN OBJECT DEBRIS (FOD) FROM THE PAVEMENT SURFACES. ONCE THE PAVEMENTS AREA IS APPROVED BY AIRFIELD MANAGEMENT FOR
AIRCRAFT OPERATIONS, THE CONTRACTOR SHALL REMOVE THE BARRICADES.
16. THE HILL AFB AIR SHOW WILL BE FROM JUNE 24-26, 2022. THE CONTRACTOR SHALL CLEAR THE SITE BY
MONDAY JUNE 20, 2022 AND WILL RESUME CONSTRUCTION ON MONDAY, JUNE 27 2022. ANY
CONSTRUCTION BARRIERS/FENCE, EQUIPMENT, FOD, MATERIAL, ETC. SHALL BE REMOVED TO PROVIDE ACCESS TO THE APRON. THE APRON SHALL HAVE A HARD PAVED SURFACE AND NO OPEN TRENCHES.
17. IN THE EVENT THAT NEW CONCRETE PAVEMENTS HAVE NOT BEEN COMPLETED WHEN A C-130 AIRCRAFT IS TO BE TOWED IN OR OUT OF HANGAR 204, A TEMPORARY UNPAVED ACCESS ROAD AND RAMPS INTO AND OUT OF THE EXCAVATION WILL NEED TO BE CONSTRUCTED. THE SURFACE OF THE RAMP MUST BE
A MINIMUM OF 25' WIDE.
GRAPHIC SCALE
( IN FEET )
40 20 40 80 160
1 inch = 40 ft.
GEOTECHNICAL NOTES
DESIGN AND CONSTRUCTION OF TEMPORARY UNPAVED AIRCRAFT-TOWING ACCESS ROAD AND RAMP:
1. SUBMIT DRAWINGS AND CALCULATIONS, CERTIFIED BY A UTAH LICENSED PROFESSIONAL ENGINEER WITH 3 YEARS OF RELEVANT GEOTECHNICAL EXPERIENCE IN AIRFIELD DESIGN AND THE UTAH GREAT SALT LAKE REGION, DESCRIBING THE METHODS FOR THE TEMPORARY UNPAVED ACCESS ROAD AND RAMP SYSTEM.
DRAWINGS MUST INCLUDE MATERIAL SIZES AND TYPES AND THE SEQUENCE AND METHOD OF INSTALLATION
AND REMOVAL. CALCULATIONS MUST INCLUDE DATA AND REFERENCES USED.
2. SUBSURFACE INFORMATION INCLUDING BORING LOGS AND LABORATORY TEST RESULTS ARE INCLUDED IN THE SPECIFICATION SECTION 31 00 00 AS PART OF THE CONSTRUCTION DOCUMENTS. THE SPECIFICATIONS OF THE C-130J AND C-130J-30 HERCULES AIRCRAFT ARE AVAILABLE UPON REQUEST. CONTRACTOR MUST SUBMIT THE TEMPORARY UNPAVED ACCESS ROAD AND RAMP DESIGN, INCLUDING MATERIAL GRADATION, AND SUBGRADE CBR TEST RESULTS IN ACCORDANCE WITH SPECIFICATION SECTION 01 33 00 - SUBMITTAL
PROCEDURES, A MINIMUM OF 30 DAYS PRIOR TO STARTING WORK.
a. THE UNPAVED AIRCRAFT TOWING ROAD MUST BE DESIGNED USING THE LATEST VERSION OF THE PAVEMENT-TRANSPORTATION COMPUTER ASSISTED STRUCTURAL ENGINEERING (PCASE) SOFTWARE
AVAILABLE FROM THE TRI-SERVICE TRANSPORTATION WEBSITE AS SHOWN BELOW:
HTTPS://TRANSPORTATION.ERDC.DREN.MIL/PCASE/SOFTWARE.ASPX
b. THE SLOPE OF THE RAMP MUST NOT BE STEEPER THAN 1 VERTICAL TO 15 HORIZONTAL RATIO IN THE DIRECTION OF AIRCRAFT TRAVEL. THE DESIGN MUST DEMONSTRATE THAT ALL PARTS OF THE AIRCRAFT (NOSE, TAIL, AND WINGS) ARE CLEAR FROM THE GROUND AND THE HANGAR STRUCTURE DURING THE TOWING
OPERATION.
c. THE DESIGN MUST ALSO INCLUDE SLOPE STABILITY ANALYSES TO ENSURE THE RAMP CAN PROVIDE STABILITY
AGAINST FAILURE DURING THE TOWING OPERATION.
d. TEMPORARY ROAD AND RAMP MUST BE CONSTRUCTED USING THE SAME TYPE OF AGGREGATE BASE COURSE MATERIAL AS SHOWN IN PARAGRAPHS UNDER “PART 2 – PRODUCTS” OF THE SPECIFICATION SECTION 32 11 23
COMPACTED TO AT LEAST 95% OF THE LABORATORY MAXIMUM DENSITY.
3. THE THICKNESS OF THE BASE COURSE SPECIFIED IN THE DESIGN OF THE ACCESS ROAD AND RAMPS MUST BE NO LESS THAN 6". PRIOR TO TRAFFICKING THE RAMPS, THE CONTRACTOR MUST PROOF LOAD, WITH A FULL WATER TRUCK OR LOADED DUMP TRUCK, THE RAMPS TO ID ANY UNSTABLE AREAS. IF UNSTABLE AREAS EXIST THE BASE WILL PROVIDE AND PLACE AM-2 MAT OVER THE AREAS TO ALLOW FOR TRANSIT OF AIRCRAFT AND TOW VEHICLES. THE BASE IS RESPONSIBLE FOR TOWING THE AIRCRAFT AND REMOVING THE AM-2 IF USED.
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