2_25683_Appendix_A_-_Drawings.pdf
PDF 815 KB Posted
- Solicitation number
- ITB-2617
- Issued by
- Mckinley County, New Mexico
About this file
This document is a Construction Safety and Phasing Plan (CSPP) drawing for the City of Gallup's installation of a new FAA-certified Automated Weather Observing System (AWOS-III P/T) at Gallup Municipal Airport under NMDOT Project No. GUP-24-03. The project scope includes installing the new AWOS-III P/T system and removing the existing ASOS system within a 30-calendar-day Phase 1 construction schedule. The construction limits are defined by surveyed coordinates with site elevations ranging from 6,470 to 6,471 feet, and the project staging area is located north of the runway with a maximum obstruction height of 25 feet. The contractor must utilize a designated access gate for project ingress and egress, coordinate with the airport manager during the pre-construction meeting for gate access codes, and maintain closure and locking of the gate when not in use. All runway 6-24, taxiway systems (A, A1-A5), and terminal apron remain open throughout construction, and the contractor must monitor CTAF/UNICOM frequency 122.95 continuously and comply with all NOTAMs before entering the Airport Operations Area.
The drawing specifies detailed safety requirements including low-profile barricade installation with flashing red caution lights spaced no greater than 12 feet on center, reflectorized orange and white striping, and support structures capable of withstanding 100 mph wind forces. Runway safety dimensions are clearly marked with a Runway Safety Area of 7,915.66 feet by 150 feet, a Runway Object Free Area of 7,915.66 feet by 500 feet, and a Runway Obstacle Free Zone of 7,715.66 feet by 400 feet. The contractor must install survey lath at minimum at each corner of construction limits, route all vehicles off existing pavement edges during dry conditions, install temporary erosion control devices prior to soil-disturbing activities, and correct any rutting or pavement damage caused by contractor operations at no additional cost. All airport surfaces must be cleaned and all equipment, materials, and personnel removed from the work area upon completion, with coordination required between the contractor, airport manager, engineer, and Runway Protection Representative.
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T-OFA T-OFA T-OFA T-OFA T-OFA T-OFA T-OFA T-OFA T-OFA T-OFA T-OFA T-OFA T-OFA T-OFA T-OFA T-OFA T-OFA T-OFA T-OFA T-OFA T-OFA T-OFA T-OFA T-OFA T-OFA T-OFA T-OFA
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EM
MENDOZA RD
APRON
PARALLEL TAXIWAY A
TAXIWAY A5
TAXIWAY A4 TAXIWAY A3 TAXIWAY A2
RUNWAY 6-24 (7,315' X 100')
TERMINAL
BUILDING
CONTRACTOR SHALL UTILIZE THE ACCESS
GATE AT THE LOCATION SHOWN FOR
PROJECT INGRESS/EGRESS. THE CONTRACTOR
SHALL COORDINATE WITH THE AIRPORT
MANAGER DURING THE PRE-CONSTRUCTION
MEETING FOR GATE CODE/KEY. GATE SHALL BE
CLOSED AND LOCKED WHEN NOT IN USE.
FUEL FARM
ELECTRICAL
VAULT
EXISTING
CHAINLINK FENCE
HANGAR
(TYP.)
ROTATING BEACON
GRAVEL ROAD
CONTRACTOR HAUL ROUTE
ALONG MENDOZA ROAD.
PROPOSED AWOS
CONTRACTOR'S
STAGING AREA
CONSTRUCTION LIMITS
TAXIWAY A1
U.S. RTE 66
LOW PROFILE BARRICADES
SEE CSPP DETAIL SHEETEXISTING ASOS
CONTRACTOR SHALL UTILIZE THE ACCESS
GATE AT THE LOCATION SHOWN FOR
ELECTRICAL VAULT INGRESS/EGRESS.
Scale in Feet
0 600300300
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CONSTRUCTION SAFETY
AND PHASING PLAN
NOL
TA
LFC
12-12-2025
11-26-2025
12-03-2025
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THIS DOCUMENT
IS PRELIMINARY
IN NATURE AND IS
NOT A FINAL
SIGNED AND
SEALED
DOCUMENT.
PROJECT NO.
DRAWN BY
CHECKED BY
REVISIONS
DATE
DATE
DATE
DESIGNED BY DATE
N M
D O
T
PR
O
JE
C T
N O
. G U
P-
-0
25683 - TO01
2201 BUENA VISTA DRIVE
SOUTHEAST STE 204
ALBUQUERQUE, NM 87106
P 505.508.2192
WWW.HWLOCHNER.COM
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LEGEND
CONTRACTOR HAUL ROUTE
CONTRACTOR STAGING AREA
CONSTRUCTION LIMITS
LOW PROFILE BARRICADES
(SYMBOL DOES NOT
DENOTE THE NUMBER OF
BARRICADES REQUIRED)
GENERAL PHASING NOTES:
1. CONSTRUCTION PERSONNEL AND EQUIPMENT WILL NOT BE ALLOWED
WITHIN AREAS OPEN TO AIRCRAFT OPERATIONS OR THE AIRPORT
OPERATIONS AREA (AOA) UNTIL THE AREA HAS BEEN CLOSED TO AIRCRAFT
AND NOTAMS HAVE BEEN ISSUED. CONTRACTOR MUST CONFIRM A NOTAM
IS IN PLACE PRIOR TO ENTERING AOA.
2. THE CONTRACTOR SHALL SUPPLY PORTABLE HAND-HELD RADIOS TO EACH
SUPERVISOR. THE CONTRACTOR SHALL MONITOR CTAF/UNICOM
FREQUENCY 122.95 AT ALL TIMES DURING CONSTRUCTION AND SHALL
RESPOND TO ANY INSTRUCTIONS FROM THE ENGINEER, AIRPORT
PERSONNEL AND/OR EMERGENCY PERSONNEL IMMEDIATELY.
3. CONTRACTOR SHALL ROUTE ALL VEHICLES OFF THE EDGES OF EXISTING
PAVEMENT DURING DRY CONDITIONS TO LIMIT WEAR OF EXISTING
PAVEMENTS.
4. TEMPORARY EROSION CONTROL DEVICES SHALL BE INSTALLED IN THE
AREA OF CONSTRUCTION PRIOR TO SOIL DISTURBING ACTIVITIES IN THAT
PHASE. TEMPORARY EROSION CONTROL DEVICES SHALL BE REMOVED AS
DIRECTED BY THE ENGINEER.
5. ANY RUTTING OR DAMAGE TO PAVEMENTS TO REMAIN CAUSED BY
CONTRACTOR'S VEHICLE OR EQUIPMENT OPERATIONS SHALL BE
CORRECTED BY THE END OF THE PROJECT BY THE CONTRACTOR AT THEIR
OWN EXPENSE.
6. CONTRACTOR SHALL INSTALL SURVEY LATH, AT A MINIMUM, AT EACH
CORNER OF THE CONSTRUCTION LIMITS. IF CONTRACTOR'S EMPLOYEES,
SUBCONTRACTORS, OR SUPPLIERS ARE NOTED TO CROSS INTO ACTIVE
PAVEMENT, ADDITIONAL LATH WILL BE REQUIRED TO BE INSTALLED.
RUNWAY 6-24 SAFETY DIMENSIONS
RUNWAY SAFETY AREA (RSA): 7,915.66' X 150'
RUNWAY OBJECT FREE AREA (R-OFA): 7,915.66' X 500'
RUNWAY OBSTACLE FREE ZONE (R-OFZ): 7,715.66' X 400'
TAXIWAY SAFETY DIMENSIONS
TAXIWAY SAFETY AREA (TSA): 79' WIDE
TAXIWAY OBJECT FREE AREA (T-OFA): 124' WIDE
PHASE 1 CONSTRUCTION LIMITS
POINT
NUMBER LATITUDE LONGITUDE SITE ELEVATION
(FT.)
OBSTRUCTION
HEIGHT (FT.)
OBSTRUCTION
ELEVATION (FT.) DESCRIPTION
1 N35°30' 31.78" W108°47' 36.52" 6470 40 6510 CONSTRUCTION LIMITS
2 N35°30' 31.80" W108°47' 34.10" 6471 40 6511 CONSTRUCTION LIMITS
3 N35°30' 29.32" W108°47' 34.07" 6471 40 6511 CONSTRUCTION LIMITS
4 N35°30' 29.31" W108°47' 36.49" 6471 40 6511 CONSTRUCTION LIMITS
5 N35°30' 30.60" W108°47' 34.09" 6470 25 6495 CONTRACTOR'S
STAGING AREA
6 N35°30' 30.60" W108°47' 29.49" 6470 25 6495 CONTRACTOR'S
STAGING AREA
7 N35°30' 28.49" W108°47' 29.48" 6470 25 6495 CONTRACTOR'S
STAGING AREA
8 N35°30' 28.47" W108°47' 34.10" 6470 25 6495 CONTRACTOR'S
STAGING AREA
NOTE: SITE ELEVATIONS FOR POINT 1 - 8 ARE FROM GOOGLE EARTH.
PHASE 1 CONSTRUCTION SCHEDULE (30 CALENDAR DAYS OR LESS)
1. THE GALLUP MUNICIPAL AIRPORT WILL BE OPEN FOR THE DURATION OF THE
PROJECT.
2. RUNWAY 6-24, TAXIWAY A, TAXIWAY A1, TAXIWAY A2, TAXIWAY A3, TAXIWAY A4,
TAXIWAY A5, AND TERMINAL APRON WILL REMAIN OPEN FOR THE DURATION OF
THIS PHASE.
3. THE FOLLOWING WORK SHALL BE COMPLETED WITHIN THE CONSTRUCTION LIMITS:
3.1. INSTALL NEW AWOS-III P/T SYSTEM.
3.2. REMOVE EXISTING ASOS SYSTEM.
4. AT THE COMPLETION OF THE ITEMS ABOVE, COORDINATE WITH AIRPORT MANAGER,
ENGINEER AND RPR TO OPEN THE WORK AREAS AS DESCRIBED IN THE STEPS
BELOW:
4.1. CLEAN ALL AIRPORT SURFACES.
4.2. REMOVE ALL EQUIPMENT, MATERIALS, AND PERSONNEL FROM THE WORK
AREA.
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1.1
CONSTRUCTION SAFETY
AND PHASING PLAN
DETAILS
NOL
TA
LFC
12-12-2025
11-26-2025
12-03-2025
Pl ot
S ty le : a e.
ct b La st S av ed
B y:
n lo vo s
/0 1/
THIS DOCUMENT
IS PRELIMINARY
IN NATURE AND IS
NOT A FINAL
SIGNED AND
SEALED
DOCUMENT.
PROJECT NO.
DRAWN BY
CHECKED BY
REVISIONS
DATE
DATE
DATE
DESIGNED BY DATE
N M
D O
T
PR
O
JE
C T
N O
. G U
P-
-0
25683 - TO01
2201 BUENA VISTA DRIVE
SOUTHEAST STE 204
ALBUQUERQUE, NM 87106
P 505.508.2192
WWW.HWLOCHNER.COM
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4'
NOTES:
1. BARRIER SHALL BE SHERWIN INDUSTRIES, 10" X 96" LOW PROFILE AIRPORT BARRIER,
AS SHOWN, OR APPROVED EQUAL.
2. THE ENTIRE AREA OF ORANGE AND WHITE STRIPES SHALL BE REFLECTORIZED WITH
SMOOTH SURFACE TYPE REFLECTIVE SHEETING.
3. LIGHTS MUST BE MOUNTED ON BARRIERS AND SPACED AT NO MORE THAN 10 FT.
4. BARRICADES SHALL BE SPACED NO GREATER THAN 12' ON CENTER OR 4' END TO END
5. THE BARRIERS SHALL BE WEIGHTED AGAINST PROPWASH AND CAPABLE OF
WITHSTANDING UP TO 100 M.P.H. WIND FORCES.
6. FLASHING RED CAUTION LIGHTS SHALL BE BATTERY OPERATED AND SHALL MAINTAIN
SUCH INTENSITY SO AS TO BE READILY IDENTIFIED FROM DISTANCES OF AT LEAST 200
FEET DURING DARKNESS.
7. THE CONTRACTOR SHALL CHECK ALL BARRIERS AND LIGHTS EACH DAY BEFORE
LEAVING THE AIRPORT TO ENSURE LIGHTS ARE WORKING PROPERLY AND MAY NOT
LEAVE WITHOUT ALL BARRIERS AND LIGHTS BEING IN PROPER WORKING ORDER.
8. NO ADDITIONAL PAYMENT SHALL BE MADE FOR THIS ITEM. IT SHALL BE CONSIDERED
SUBSIDIARY TO OTHER BID ITEMS.
8'
" M
AX
BATTEN TO KEEP
FLAG EXTENDED
20" MIN. X 20" MIN. FLAGS
ALTERNATING ORANGE AND WHITE,
ONE FLAG PER BARRIER. SUPPORTS
SHALL BE VERTICAL AND FRANGIBLE.
FLASHING RED
CAUTION
LIGHTS
REFLECTIVE ORANGE
(BOTH SIDES)REFLECTIVE WHITE
(BOTH SIDES)
LOW PROFILE BARRICADE DETAIL
NO SCALE
NOTES:
1. FLAG MUST HAVE A CHECKERED PATTERN OF
INTERNATIONAL ORANGE AND WHITE SQUARES.
COLORS SHALL BE IN ACCORDANCE WITH THE
CURRENT VERSION OF AC 150/5210-5.
2. FLAG AND FLASHING BEACON REQUIRED PER
CONSTRUCTION SAFETY AND PHASING PLAN (CSPP).
36"
12" 12" 12"
FLAG DETAIL
NO SCALE
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