DEN-R Surface Surveillance Systems (ASDE) Inspection Checklist 8.20.2024.pdf

Surface Surveillance Systems Inspection Report 1

Surface Surveillance Systems Inspection Report (ASDE)

Site Name: DEN Remote Survey Date: 08/20/2024

Radar Information

System ASDE-3

Site ID DEN Remote

Tower Height 90’

Shipping Address 8500 Pena BLVD. Denver Co. 82049

Physical Site Address 8500 Pena BLVD. Denver Co. 82049

Latitude 39.86792

Longitude -104.6551

Asset Serial Numbers:

Detection Equipment

Set

Pedestal Assembly M032

Antenna Assembly

Drive Motor

Slipring 210-R02

Rotary Joint

Antenna

PERSONNEL INFORMATION

Lead Technician / Engineer

Mark Hughes Phone # 405-620-6976 E-mail Mark.hughes@faa.gov

Assessment Technician

Phone # E-mail

Site Escort Phone # E-mail

SSC Manager Norm Pratt Phone # 303-342-1415 E-mail Norm.pratt@faa.gov

Surface Surveillance Systems Assessment Report 2

Introduction

The PMO desires to extend the life of ASDE antennas up to 10 years until a new antenna is approved and installed, and extend the life of the ASDE towers up to 20 years to support the new antennas.

This ASDE inspection project is an input to the PMO to aid their decision-making regarding what tasks need to be performed at each site to meet these desires.

The inspection project includes a hands-on inspection of the physical condition and functionality or serviceability of site assets including the tower, antenna system, and shelter buildings to determine whether the standards and tolerances for operations are being maintained. When the existing condition, functionality or serviceability are determined to be out of required standards and tolerances a corrective action has been provided to facilitate repairs.

Recommendations

Tower paint is in poor condition. Entire tower should be painted.

Install saddle clamps on grating on first level.

Replace broken hydraulic assist for hatch door.

Elevator is unusable and stop plates were not found on elevator rails. Elevator and ladder are both unsafe to use. Stair tower will be installed alongside the remote tower.

Surface Surveillance Systems Assessment Report 3

Assessment Deficiency Report

• Green: Minor issues noted due to non-compliance with a current standard.

• Yellow: Moderate issues identified that should be corrected when possible, but is not an immediate concern.

• Red: Critical issues identified that may affect personnel safety, cause a system outage, or damage to equipment. These issues require immediate attention.

Critical Moderate Minor No Issues Not Inspected

1. Tower ☐ ☒ ☐ ☐ ☐

2. Concrete Foundation ☐ ☐ ☐ ☒ ☐

3. Tower Painting and Galvanization ☒ ☐ ☐ ☐ ☐

4. Shelters ☐ ☐ ☐ ☒ ☐

5. Waveguide ☐ ☐ ☐ ☒ ☐

6. Lightning Protection System ☐ ☐ ☐ ☒ ☐

7. Main Bearing / Drive System ☐ ☐ ☐ ☒ ☐

8. Rotary Joint ☐ ☐ ☐ ☒ ☐

9. Antenna Junction Box Enclosures ☐ ☐ ☐ ☒ ☐

10. Antenna / Rotodome / Radome ☐ ☐ ☐ ☒ ☐

11. Hoist / Davit Crane ☐ ☐ ☐ ☒ ☐

12. Elevator ☒ ☐ ☐ ☐ ☐ A full summary and site specific notation can be referenced in the following sections of this report for more detail on each observation recorded.

Surface Surveillance Systems Assessment Report 4

SECTION 1

Tower

Yes No Comments

1.1 Are there any signs of distress or failure to the

air terminal? ☐ ☒

1.2 Are there any signs of distress or failure to the

down conductor? ☐ ☒

1.3 Are there any signs of distress or failure to the

hardware? ☐ ☒

1.4 Are there any signs of distress or failure to the

mounting hardware? ☒ ☐

1.5 Are there any signs of distress or failure to the

obstruction tower lights? ☐ ☒

1.6 Are there any signs of distress or failure to the

exterior lighting fixtures? ☐ ☒

1.7 Is there a need to replace the exterior lighting

fixtures with LED light bulbs? ☐ ☒

1.8 Are there any signs of distress or failure to the

conduits? ☐ ☒

1.9 Is there a need to replace the conduits with PVC

coated rigid steel conduits? ☐ ☒

1.10 Are there any signs of distress or failure to the

grate hatch / lifting support piston arm? ☒ ☐

1.11 Are there any signs of distress or failure to the

steel junction box? ☐ ☒

1.12 Is there a need to replace the current junction

box with a stainless steel junction box? ☐ ☒

1.13 Are there any signs of distress or failure to the

safety interlocks? ☐ ☒

Notes: The lifting arm for hatch needs replaced. Grating missing clips that need to be replaced.

Surface Surveillance Systems Assessment Report 5

SECTION 2

Concrete Foundation

Yes No Comments

2.1 Have grout pads underneath base plates

deteriorated or otherwise require maintenance? ☐ ☒

2.2 Does the foundation have excess spalling, cracking, or surface erosion? ☐ ☒

2.3 Does the foundation appear to have been repaired

in the past? ☐ ☒

2.4 Are there any other signs of distress or failure?

Explain. ☐ ☒

Notes:

SECTION 3

Tower Painting and Galvanization

Yes No

3.1 Is the tower painted? ☒ ☐

3.2 If painted, is the paint peeling? ☒ ☐

3.3 If painted, based on visual observation, what is the approximate percentage of surface area on the tower that needs to be re-painted? 100 %

3.4 Is the tower hot dipped galvanized? ☒ ☐

3.5 Are there bird feces or other foreign substances present on the tower? If applicable, describe extent, severity, and whether work will be affected. ☐ ☒

Notes: Tower needs to be painted.

Surface Surveillance Systems Assessment Report 6

SECTION 4

Shelters

Yes No Comments

4.1 Base of Tower Equipment Shelter

a. Are there signs of distress or failure to the space heater? ☐ ☒

b. Are there signs of distress or failure to the ventilation hood or screen? ☐ ☒

c. Is there a need to replace the ventilation screen with a steel bug weave screen? ☐ ☒

d. Are there signs of distress or failure to the door frames? ☐ ☒

4.2 Second Level Equipment Shelter

a. Are there signs of distress or failure to the space heater? ☐ ☒

b. Are there signs of distress or failure to the ventilation hood or screen? ☐ ☒

c. Is there a need to replace the ventilation screen with a steel bug weave screen? ☐ ☒

d. Are there signs of distress or failure to the door frames? ☐ ☒

4.3 Below Antenna Equipment Shelter

a. Are there signs of distress or failure to the space heater? ☐ ☒

b. Are there signs of distress or failure to the ventilation hood or screen? ☐ ☒

c. Is there a need to replace the ventilation screen with a steel bug weave screen? ☐ ☒

d. Are there signs of distress or failure to the door frames? ☐ ☒ Lock needs replaced on door.

e. Are there signs of distress or failure to the safety interlocks? ☐ ☒

4.4 Engine Generator Shelter

a. Are there signs of distress or failure to the space heater? ☐ ☒

b. Are there signs of distress or failure to the ventilation hood or screen? ☐ ☒

c. Is there a need to replace the ventilation screen with a steel bug weave screen? ☐ ☒

d. Are there signs of distress or failure to the door frames? ☐ ☒

e. Are there any signs of corrosion on the fuel tanks? ☐ ☒

f. Are there signs of distress or failure to the transformer or the protective bollards? ☐ ☒

Notes: Lock needs to be replaced on door underneath rotodome.

Surface Surveillance Systems Assessment Report 7

SECTION 5

Waveguide

Yes No Comments

5.1 Are there any signs of distress or failure to the

mounting brackets/hardware? ☐ ☒

5.2 Is there any damage to the waveguide? ☐ ☒

5.3 Are there any signs of corrosion? (fading, peeling, cracked) ☐ ☒

5.4 Are there any issues with the operation of the

pressurize system? ☐ ☒

5.5 Are there any issues with the joint weld condition?

(corroded/cracked) ☐ ☒

5.6 Compressor cycle time (on – on)

SECTION 6

Lightning Protection System

Yes No Comments

6.1 Does the system show signs of being in less than

generally good repair? ☐ ☒

6.2 Are there loose connections that might result in

high-resistance joints? ☐ ☒

6.3 Has any part of the system been weakened by

corrosion? ☐ ☒

6.4 Have any of the conductors or grounding electrodes

been severed? ☐ ☒

6.5 Are any conductors or system components

fastened insecurely to its mounting surfaces? ☐ ☒

6.6 Are any conductors or system components subject

to accidental displacement? ☐ ☒

6.7 Have any modifications been made or appurtenances added that require additional bonding to the system?

6.8 Is there any visual hardware damage? ☐ ☒

Surface Surveillance Systems Assessment Report 8

SECTION 7

Main Bearing / Drive System

Yes No Comments

7.1 Drive – Start drive independently from a stall

a. Is there excessive noise or vibration? ☐ ☒

b. Are there any signs of corrosion? (fading, peeling, cracked) ☐ ☒

c. Are there any signs of distress or failure? ☐ ☒

d. Are there any observed oil leaks (ASDE-X) ☐ ☒

7.2 Are there any signs of distress or failure to the

following: (ASDE-3)

a. Intermediate Shaft ☐ ☒

b. Main Bearing ☐ ☒

c. Tensioner ☐ ☒

d. 50mm Belt ☐ ☒

e. 85mm Belt ☐ ☒

f. Slip Clutch ☐ ☒

7.3 Notate date of last replacement for the following:

(ASDE-3)

a. Intermediate Shaft

b. Main Bearing

c. Tensioner

d. 50mm Belt

e. 85mm Belt

f. Slip Clutch

7.4 Workspace height below drives in ft. (ASDE-3)

7.5 Are there any issues with the accessibility of the

workspace? (ASDE-3) ☒ ☐

Notes: Lock needs to be replaced.

Surface Surveillance Systems Assessment Report 9

SECTION 8

Rotary Joint

Yes No Comments

8.1 Install date of rotary joint

8.2 Performance data VSWR

8.3 Is there excessive noise? ☐ ☒

8.4 Are there any signs of corrosion? (fading, peeling, cracked) ☐ ☒

8.5 Are there signs of distress or failure to the rotary

joint? ☐ ☒

8.6 Are there signs of distress or failure to the cabling

and waveguide on the top side of the rotary joint? ☐ ☒

8.7 Are there signs of distress or failure to the cabling and waveguide on the bottom side of the rotary joint?

Notes:

SECTION 9

Antenna Junction Box Enclosures

Yes No Comments

9.1 Junction box orientation

9.2 Are there any issues with the condition of the

box? ☐ ☒

9.3 Are there any issues with the operation of the

safety switch? ☐ ☒

9.4 Are there signs of distress or failure to the wiring, relays, or contactors inside the box? ☐ ☒

9.5 Are there signs of distress or failure to the conduit

& cabling from the junction box to the drives? ☐ ☒

9.6 Are there any signs of corrosion? (fading, peeling, cracked) ☐ ☒

9.7 Are there signs of distress or failure to the

mounting hardware? ☐ ☒

9.8 Are there any signs of water intrusion? ☐ ☒

9.9 Are there any signs that the penetrations of the

box are not weathertight? ☐ ☒

Surface Surveillance Systems Assessment Report 10

SECTION 10

Antenna / Rotodome / Radome

Yes No Comments

10.1 Antenna Type (ASDE-3, ASDE-X Terma, or ASDE-X

Easat) ASDE-3

10.2 Antenna Structure (riser, special mounting, etc.)

10.3 Antenna

a. Notate date of last repair

b. Are there any signs of corrosion (fading, peeling, cracked) ☐ ☒

c. Are there any signs of distress or failure to the wiring? ☐ ☒

d. Are there any signs of distress or failure to the electrical connections? ☐ ☒

10.4 Rotodome (if applicable)

a. Are there any issues with the paint or laminate condition? ☐ ☒ Painted 8/21/24

b. Are there any signs of corrosion on the threshold door? ☐ ☒

c. Are there any signs of distress or failure to the wiring? ☐ ☒

d. Are there any signs of distress or failure to the waveguide? ☐ ☒

e. Are there any signs of distress or failure to the fans/heaters? ☐ ☒

f. Are there any signs of distress or failure to the flashing at the rotodome base? ☐ ☒

10.5 Radome (if applicable)

a. Are there any observed cracks in the caulking? ☐ ☒

b. Does the paint appear to be faded? ☐ ☒

c. Do any panels appear to be damaged? ☐ ☒

Surface Surveillance Systems Assessment Report 11

SECTION 11

Hoist / Davit Crane

Yes No Comments

11.1 Is there a hoist or a Davit crane present? (If so, specify type) ☒ ☐ Chain hoist

11.2 If present, are there any signs of distress or failure

to the following:

a. Chain ☐ ☒

b. Hook ☐ ☒

c. Cable ☐ ☒

11.3 If present, are there any safety concerns? ☐ ☒

11.4 Are there any signs of corrosion to the

chain/hook/cable? (fading, peeling, cracked) ☐ ☒

11.5 Are there any signs of corrosion to the pendant?

(fading, peeling, cracked) ☐ ☒

Notes:

SECTION 12

Elevator

Yes No Comments

12.1 Is the elevator operational? ☐ ☒

12.2 Are there any signs of distress or failure to the

following:

a. Rail ☒ ☐

b. Mounting Hardware ☐ ☒

c. Motor ☐ ☐

d. Safety Interlocks ☒ ☐

12.3 Is the emergency egress ladder present? ☐ ☐

Notes: Elevator does not work, stops at top of elevator are not present. Elevator and ladder are both unsafe to use.

Surface Surveillance Systems Assessment Report 12

SECTION 13

PHOTO CHECKLIST

Capture each photo in accordance with the sequence and description provided Comments

Site 1 Full tower and compound (site) ☒

2 Looking at site from the North/A Face ☐

3 Looking at site from the East/ B Face ☒

4 Looking at site from the South/ C Face ☒

5 Looking at site from the West/ D Face ☒

Structure 6 Leg A from outside looking up (indicate with magic marker each leg) ☐

7 Leg B from outside looking up (indicate with magic marker each leg) ☐

8 Leg C from outside looking up (indicate with magic marker each leg) ☐

9 Leg D from outside looking up (indicate with magic marker each leg) ☐

10 Tower foundation @ the base of leg A

11 Tower foundation @ the base of leg B ☐

12 Tower foundation @ the base of leg C ☐

13 Tower foundation @ the base of leg D ☐

14 Base of tower shelter ☐

15 Second Level Shelter ☒

16 Below antenna shelter ☐

17 Equipment shelter ☐

18 Drive assembly ☒

19 Rotary Joint ☒

20 Antenna Junction Box ☒

21 Antenna Front ☐

22 Hoist ☒

23 Elevator ☒

Deficiencies List pictures of deficiency observed

Surface Surveillance Systems Assessment Report 13

SECTION 14

REFERENCE IMAGES

Insert pictures from site in order of picture checklist

Full tower and compound (site)

Surface Surveillance Systems Assessment Report 14

Looking at tower from East / B Face Looking at tower from East / B Face

Looking at tower from South / C Face Looking at tower from West / D Face

Tower Leg C Second Level Equipment Shelter

Surface Surveillance Systems Assessment Report 17

Elevator Elevator

Boxes Motor

Hand Rails Tower

Surface Surveillance Systems Assessment Report 18

Hatch Grating

Tower Tower

Surface Surveillance Systems Assessment Report 19

Second Level Shelter Second Level Shelter

Second Level Shelter