Product Introduction


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Products

Engineered for the work ahead

To help you deploy faster and build with confidence.


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SUBTERRA SERIES

Conduit

American-made, BABA-compliant fiber conduit engineered for fast, reliable last-mile and route builds.

  • Long continuous reels, so fewer joints and faster pulls
  • SDR-11 HDPE built to take repeated cable pulls without failing
  • American-made and BABA compliant, with dependable lead times

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SUBTERRA SERIES

Handhole

Our flagship handhole family, engineered for maximum strength and expanded internal capacity in the most demanding roadway and high-load environments.

  • Exceeds ANSI/SCTE 77 Tier 22 for roadway and high-load builds

  • More usable internal space for slack, splices and future growth

  • Lightweight HDPE with a glass-filled lid for faster, safer installs


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SUBTERRA SERIES

Flower Pots

A pedestrian-rated pull box with a spacious workspace for storing slack and larger splice cases, ready for the FTTH connections still to come.

  • Roomy workspace for slack storage and larger splice cases
  • Pedestrian-rated, right-sized without paying for Tier 22
  • Built to carry future FTTH connections as the build grows

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SUBTERRA SERIES

Pedestal

A mid-tier enclosure that balances size and strength for mixed infrastructure builds.

  • Mid-tier strength sized for mixed infrastructure needs
  • Internal ribbing that handles ground stress
  • Sealed HDPE build with no ongoing maintenance

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SUBTERRA SERIES

Accessories

The cable management, locking, locating and branding options that turn a Subterra enclosure into a finished, field-ready install.

  • Cable management and locking options to secure equipment

  • Locating pucks and markings for fast field identification
  • Bolt kits and spares matched to your Subterra handholes

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Compare Products

Handholes

24 inches wide by 36 inches deep

Our lineup

Tier 22

24 x 36 x 24 inches

Tier 15

17 x 30 x 24 inches

Tier 3

24 x 36 x 24 inches

Intended use

High-demand applications, maximum strength + expanded internal capacity

Mixed infrastructure needs, balanced size + performance

Pedestrian-rated pull box for slack storage and larger splice cases

Tier rating

Exceeds ANSI/SCTE 77 2017 Tier 22

Exceeds ANSI/SCTE 77 2017 Tier 15

Tier 3 Pedestrian-rated

Sizes

  • 24″ x 36″ x 24″ (ID)
  • 32″ x 44″ x 24″
  • 32″ x 44″ x 45″
  • 24″ x 36″ x 24″ (ID)
  • 32″ x 44″ x 24″
  • 32″ x 44″ x 45″

17 x 30 x 24

Materials HDPE

Materials HDPE

Materials HDPE

Materials HDPE

Weight

Lid: 42 lb Base: 66 lb (24 or 36)
Base: 130 lb (45)

Lid: 42 lb Base: 66 lb (24 or 36)
Base: 130 lb (45)

Lid: 10 lb
Base: 27 lb

Compliance

BABA Compliant 3rd party certified

BABA Compliant 3rd party certified

BABA Compliant RUS Approved 3rd party certified

Technologies

  • Anti-slip technology
  • Anti-settling technology
  • Steel cross-tubes included in lid design
  • Anti-slip technology
  • Anti-settling technology
  • 2 steel cross-tubes included in the lid design

Flared design with anti-heaving properties

Optional Extras

  • Cable management
  • Locating puck
  • Custom logo / name plate
  • Multiple color options
  • Cable management
  • Locating puck
  • Custom logo / name plate
  • Multiple color options
  • Cable management
  • Locating puck
  • Custom logo / name plate
  • Multiple color options

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Compare plans

Handholes

24 inches wide by 36 inches deep

Tier 22

24 x 36 x 24 inches

Intended use

High-demand applications, maximum strength + expanded internal capacity

Tier rating

Exceeds ANSI/SCTE 77 2017 Tier 22

Sizes

  • 24″ x 36″ x 24″ (ID)
  • 32″ x 44″ x 24″
  • 32″ x 44″ x 45″

Materials  HDPE

Materials HDPE

Weight

Lid: 42 lb Base: 66 lb (24 or 36)
Base: 130 lb (45)

Compliance

BABA Compliant 3rd party certified

Technologies

  • Anti-slip technology
  • Anti-settling technology
  • Steel cross-tubes included in lid design

Optional Extras

  • Cable management
  • Locating puck
  • Custom logo / name plate
  • Multiple color options

Tier 15

17 x 30 x 24 inches

Intended use

Mixed infrastructure needs, balanced size + performance

Tier rating

Exceeds ANSI/SCTE 77 2017 Tier 15

Sizes

  • 24″ x 36″ x 24″ (ID)
  • 32″ x 44″ x 24″
  • 32″ x 44″ x 45″

Materials  HDPE

Materials HDPE

Weight

Lid: 42 lb Base: 66 lb (24 or 36)
Base: 130 lb (45)

Compliance

BABA Compliant 3rd party certified

Technologies

  • Anti-slip technology
  • Anti-settling technology
  • 2 steel cross-tubes included in the lid design

Optional Extras

  • Cable management
  • Locating puck
  • Custom logo / name plate
  • Multiple color options

Tier 3

24 x 36 x 24 inches

Intended use

Pedestrian-rated pull box for slack storage and larger splice cases

Tier rating

Tier 3 Pedestrian-rated

Sizes

17 x 30 x 24

Materials  HDPE

Materials HDPE

Weight

Lid: 10 lb
Base: 27 lb

Compliance

BABA Compliant RUS Approved 3rd party certified

Technologies

Flared design with anti-heaving properties

Optional Extras

  • Cable management
  • Locating puck
  • Custom logo / name plate
  • Multiple color options

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FAQ

Find answers to common questions

Common questions about our vaults and services

Need more help?

Our team is ready to answer
technical questions

Installation Efficiency = Direct Cost Savings

  • 40-60% lighter means smaller crews, less equipment rental
  • 30-50% faster installation reduces labour hours per unit
  • Accessible sites that polymer concrete/precast can’t reach without costly crane setups

Lifecycle Durability = Avoided Costs

  • Zero corrosion/cracking means zero maintenance spending for 50+ years
  • Won’t degrade in harsh environments (freeze-thaw, chemical exposure, salt water)
  • No emergency repairs disrupting network operations

Supply Chain Efficiency

  • 2-3 week lead times vs. 8-12 weeks = better project scheduling
  • Lighter weight = more units per truckload (lower freight costs per unit)
  • Reduced inventory carrying costs for distributors

Future-Proofing

  • Easy to modify for network expansions without replacement
  • Won’t crack when drilling new cable entry points
  • Auto-latch reduces liability or lid displacement by avoiding crews leaving the lid unsecured

HDPE Handholes delivers the highest value in these situations:

  • High water table areas (coastal, flood zones)
  • Freeze-thaw climate zones (Northern states)
  • Chemically aggressive soils (industrial areas, road salt zones)
  • Restricted access sites (urban cores, residential areas)
  • Fast-track deployment schedules (BEAD funding deadlines)
  • Projects requiring BABA/Buy America compliance

AutoLatch is an optional lid feature designed to help keep the lid seated and secure in real-world field conditions, even when crews do not reinstall bolts after servicing a handhole. That detail matters because missing fasteners is a common on-site reality, and an unsecured lid can create safety hazards, increase exposure to claims, and drive avoidable maintenance over time.

By helping the lid stay in place, AutoLatch supports three outcomes procurement, engineering, and field teams all care about:

  • Reduced long-term liability risk: Fewer “lid left unsecured” scenarios means fewer opportunities for incidents and claims.
  • Safer, more reliable close-out: Helps protect pedestrians, vehicles, and work crews by reducing the chance of lid movement after access.
  • Lower operational overhead: Less rework, fewer revisits, and fewer “bolt kits” and compliance chasing across deployments.

If your organization is standardizing specs for wide-area builds, AutoLatch is the kind of “real-world behavior” design choice that can materially reduce risk across thousands of installs, not just one job.

Municipalities often want critical underground access points to be high-performing but visually unobtrusive, especially in downtown streetscapes, parks, campus environments, residential neighborhoods, and high-visibility public spaces. “Invisible infrastructure” means the handhole and lid blend into the environment so the community sees a clean, consistent public realm, without the patchwork look of mismatched utility assets.

Norvant supports this goal through full color options and branding features that let municipalities and utilities:

  • Match surrounding materials and streetscape palettes so lids do not visually dominate sidewalks, landscaped areas, or paved surfaces.
  • Improve wayfinding and asset governance with subtle, standardized branding or identification that supports public-works operations without adding visual clutter.
  • Maintain a consistent municipal aesthetic across multi-year rollouts, even as different contractors and programs come and go.
  • Support local compliance and stakeholder expectations where planners, councils, and community groups prioritize tidy, low-visual-impact infrastructure.

In short, Norvant’s color and branding capabilities help municipalities deliver modern fiber and smart-infrastructure builds while keeping the finished environment looking intentional, organized, and “designed in,” not bolted on.


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Flexible Options

Ready to spec your build?
Tell us what you need and we will help.

Flexible Cable Management and more internal space. Locking options secure equipment in high-traffic areas. Add your logo or company markings for field identification.


Why us icon

Flexible Options

Ready to spec your build?
Tell us what you need and we will help.

Flexible Cable Management and more internal space. Locking options secure equipment in high-traffic areas. Add your logo or company markings for field identification.