Statement of Work.pdf

STATEMENT OF WORK (SOW)

Maintenance of Digital CATV System at Sembawang

1. OBJECTIVE

The objecƟve of this contract is to obtain professional contractor support services to maintain all 1st level Satellite Low-Noise Blocks (LNBs), 2nd level components (amplifiers and fiber nodes), 3rd level components (pedestal boxes), and 4th level components (CATV spliƩers and headend decoders) within the Sembawang facility. Maintenance includes rouƟne preventaƟve tesƟng, calibraƟon, signal opƟmizaƟon, emergency outage restoraƟon, and repair/replacement of specified digital CATV equipment to ensure conƟnuous, high-integrity television distribuƟon.

2. BACKGROUND & PERFORMANCE STANDARDS

The contractor shall perform preventaƟve maintenance, calibraƟon, and tuning of all digital CATV distribuƟon infrastructure across Sembawang grounds. The system distributes four (4) American Forces

Network (AFN) channels, four (4) Free-to-Air (FTA) internaƟonal news channels, and three (3) local channels, received via two (2) dedicated satellite dishes and one (1) terrestrial over-the-air antenna array. System performance must be maintained to commercial digital broadcast standards, meeƟng the following mandatory quanƟtaƟve thresholds at every receiver/decoder drop:

RF Signal Power: Digital RF signal power level at decoder input must be maintained between -5 dBmV and +10 dBmV (nominal target: 0 dBmV).

Modula on Error Ra o (MER): ModulaƟon Error RaƟo (MER) must be maintained above 32 dB across all 64/256-QAM and COFDM digital channels.

Bit Error Rate (BER): Post-Forward Error CorrecƟon (Post-FEC) Bit Error Rate (BER) must remain below 1.0 10 .

Physical & Environmental Standards: Inspect physical RF/opƟcal connecƟons, replace deteriorated weatherproofing boots/silicone tape on exposed fiƫngs, verify grounding/bonding, and realign dishes/antennas to ensure conƟnuous signal integrity.

3. SCOPE OF WORK

The scope of this contract is limited to performing the maintenance, tuning, tesƟng, emergency restoraƟon, and repair tasks idenƟfied in this Statement of Work. The contractor shall provide all labor, cerƟfied technicians, calibrated test equipment (RF spectrum analyzers, opƟcal power meters), materials, supervision, management, shipping, handling, tools, PPE, and transportaƟon of personnel and materials required to perform the required work.

4. TASKS & TECHNICAL REQUIREMENTS

Bi-Annual LNB & Terrestrial Antenna Maintenance (Tier 1): Provide semi-annual preventaƟve maintenance on satellite LNBs mounted on two (2) dishes (Total: 2 LNBs) and terrestrial antenna arrays supporƟng local channel distribuƟon. Tasks include azimuth/elevaƟon alignment, LNB local oscillator frequency driŌ checks, mounƟng hardware torque checks, and weather-seal replacement.

Annual Amplifiers & Fiber Nodes Maintenance (Tier 2): Provide annual comprehensive preventaƟve maintenance on seventeen (17) trunk/bridger amplifiers and four (4) opƟcal fiber receiver nodes located in Overground Boxes (OG Boxes) and designated buildings. Tasks include opƟcal input power verificaƟon, internal DC supply voltage tesƟng, forward/return path slope and gain calibraƟon, and enclosure weather-gasket inspecƟon.

Annual Pedestal Box Maintenance (Tier 3): Provide annual preventaƟve maintenance on distribuƟon TAPs located across fiŌy-three (53) Pedestal Boxes. Tasks include drop connecƟon torque checks, port inserƟon loss and isolaƟon verificaƟon, 75-ohm terminaƟon checks on unused ports, corrosion removal, and earth bonding verificaƟon.

Decoder & Receiver Support (FTA & Local Channels - Tier 4): Provide troubleshooƟng, alignment, repair, or unit replacement of Government-owned digital decoders and receivers:

three (3) Draco DVB-T2 Receivers (supporƟng 3 local terrestrial channels via antennas) and four

(4) PBI DCH-3100P Receiver Decoders (supporƟng 4 satellite Free-to-Air channels: Al Jazeera, TRT World, DW Germany, and NHK). For bidding purposes, the contractor shall assume a maximum threshold of four (4) decoder/receiver unit replacements (Draco DVB-T2 or PBI DCH-

3100P) per Period of Performance. Replacements beyond this threshold will be funded via a separate bilateral contract modificaƟon using pre-priced equipment line items.

AFN Decoder Scope Limita on (Cisco D9865): The contractor has no expectaƟon or requirement to perform hardware repairs, internal board replacements, or unit swaps on Cisco

D9865 decoders used for American Forces Network (AFN) channels. Contractor responsibiliƟes for Cisco D9865 units are strictly limited to RF signal level verificaƟon, input cable tesƟng, and tuning assistance.

Emergency Outage Repairs (20 Outages Threshold): Provide 24/7 emergency repair services for up to a maximum of twenty (20) system outages per Period of Performance, including rapid troubleshooƟng and repair/replacement of failed LNBs, trunk amplifiers, opƟcal fiber nodes, taps, power inserters, and spliƩers. An "outage" is strictly defined as a complete loss of CATV service to an enƟre building, or severe signal degradaƟon affecƟng more than 25% of acƟve drops within a single facility. Single-user or single-room complaints do not consƟtute an emergency outage and will be addressed during rouƟne scheduled maintenance.

Channel Tuning & Expansion: At the direcƟon of the Technical Point of Contact (TPOC), and provided technical feasibility without requiring new headend hardware or physical distribuƟon expansion, the contractor shall tune and configure the system to add a maximum of two (2) specific Free-to-Air (FTA) channels (maximum 2 calls per Period of Performance). If requested channels require hardware expansion, the Government will provide the equipment or procure it outside this maintenance task.

4.1 OPERATIONAL REQUIREMENTS & MAINTENANCE PLAN DELIVERABLES

Maintenance Plan & Technical Submission Requirements: The contractor shall submit a comprehensive proposed PrevenƟve Maintenance Plan for review and obtain wriƩen approval from the Technical Point of Contact (TPOC) at least five (5) working days prior to scheduled maintenance. To saƟsfy technical evaluaƟon criteria and operaƟonal standards, the plan must incorporate:

1. Tiered procedural checklists covering all four infrastructure Ɵers.

2. RF/OpƟcal test methodologies with calibrated spectrum analyzer specificaƟons.

3. Detailed pass/fail thresholds for RF dBmV, MER, and BER.

4. Sample PreventaƟve Maintenance InspecƟon (PMI) report templates.

5. Emergency call-out escalaƟon workflows with guaranteed 4-hour on-site response.

Work Area Restora on: The contractor is responsible for the daily clean-up of workspaces, proper disposal of scrap wiring/connectors, and returning all faciliƟes and OG Boxes to clean, locked, and weather-sealed condiƟon upon task compleƟon.

Safety Compliance: The contractor is responsible for maintaining a safe working environment for all contractor and U.S. Navy personnel at the worksite, complying with fall protecƟon during antenna work, electrical safety, and cerƟfied PPE.

Base Clearance Documenta on: The contractor shall submit all required base access pass documentaƟon, vehicle details, and technician security clearances at least one (1) week prior to commencing scheduled works.

Table 4.1: Technical Maintenance & Inspec on Checklist

Infrastructure

Tier

Covered

Equipment & Qty

Mandatory Inspec on & Test

Standards

Acceptable

Baseline

Tier 1:

Antennas &

LNBs

2 Satellite Dishes

1 Terrestrial Array

Structural mounƟng torque, silicone weather-boot seal replacement, LNB LO

Locked signal; 0 dBmV nominal;

clean

Infrastructure

Tier

Covered

Equipment & Qty

Mandatory Inspec on & Test

Standards

Acceptable

Baseline frequency driŌ, dish azimuth/elevaƟon alignment.

weatherproofing;

no moisture ingress.

Tier 2:

Amplifiers &

Nodes

17 Amplifiers

4 Fiber Nodes

(OG Boxes &

Bldgs)

OpƟcal input power level, internal DC supply voltages, slope/gain calibraƟon, forward/return path RF levels, enclosure gasket seals.

RF Input: -5 to +10 dBmV; MER 32 dB; BER 1.0 10 ; weather-Ɵght seal.

Tier 3:

Pedestal Boxes

(TAPs)

53 Pedestal Boxes

Drop connecƟon torque, port cap weather-sealing, 75-ohm terminator verificaƟon, port inserƟon loss, corrosion removal, earth grounding check.

Zero corrosion;

secure 75-ohm terminaƟons;

verified ground bonding; within loss spec.

Tier 4:

Decoders &

Spli ers

3 Draco DVB-T2

4 PBI DCH-3100P

(Cisco D9865 Level

Only)

Channel lock status across 4

AFN, 4 FTA, 3 Local channels;

video/audio sync; RF output balance; passive spliƩer inserƟon loss.

Clean video/audio stream; nominal 0 dBmV balance; max

4 decoder replacements/yr.

5. PERIOD OF PERFORMANCE & OPERATING HOURS

The contract consists of a one (1) year base period with four (4) one-year opƟon periods. Standard working hours for rouƟne scheduled maintenance are 0900–1600, Monday through Friday, excluding

Singapore public holidays gazeƩed by the Ministry of Manpower. Emergency outage response services shall be available 24/7/365.

Base Period: 28 September 2026 – 27 September 2027

Op on Period 1: 28 September 2027 – 27 September 2028

Op on Period 2: 28 September 2028 – 27 September 2029

Op on Period 3: 28 September 2029 – 27 September 2030

Op on Period 4: 28 September 2030 – 27 September 2031

6. PLACE OF PERFORMANCE

All work shall be performed across the CATV infrastructure at the Sembawang facility. Detailed equipment locaƟons, building idenƟfiers, and distribuƟon routes are provided in AƩachment 1 (CATV

Equipment Layout Map), incorporated as part of this solicitaƟon package.

7. PRE-PROPOSAL SITE VISIT

A pre-proposal site visit will be conducted to allow prospecƟve contractors to inspect the work sites, evaluate the physical layout, and fully understand the technical complexiƟes of the requirement.

LocaƟons: Sembawang Housing Grounds and PSA FaciliƟes.

Time: The walkthrough will commence promptly at 9:00 AM (Singapore Standard Time) to allow adequate Ɵme for a thorough inspecƟon of both locaƟons.

Date: September 21, 2026

The primary objecƟves of the site visit are to allow prospecƟve contractors to:

Verify Equipment LocaƟons: Visually inspect and verify the exact physical locaƟons of all relevant equipment and assets distributed across both sites.

Review Infrastructure Scope: Clarify the full scope of work, technical requirements, and necessary safeguards required for working with the exisƟng infrastructure.

Coordinate OperaƟonal Access: Assess ground condiƟons, site constraints, base access protocols, and staging consideraƟons necessary for performance.

Offerors are strongly encouraged to aƩend this site visit prior to submiƫng a quote. The site visit will be guided by the Technical Point of Contact (TPOC). Specific RSVP instrucƟons, base access requirements, and the deadline for submiƫng aƩendee lists are detailed in the solicitaƟon InstrucƟons to Offerors.